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2244 files changed, 749340 insertions, 104887 deletions
diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore
index 643cc4ba6872..b64302a76144 100644
--- a/tools/perf/.gitignore
+++ b/tools/perf/.gitignore
@@ -1,8 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0-only
PERF-CFLAGS
PERF-GUI-VARS
PERF-VERSION-FILE
FEATURE-DUMP
perf
+!include/perf/
perf-read-vdso32
perf-read-vdsox32
perf-help
@@ -14,13 +16,14 @@ perf*.1
perf*.xml
perf*.html
common-cmds.h
-perf.data
-perf.data.old
+perf*.data
+perf*.data.old
output.svg
perf-archive
-perf-with-kcore
+perf-iostat
tags
TAGS
+stats-*.csv
cscope*
config.mak
config.mak.autogen
@@ -28,8 +31,23 @@ config.mak.autogen
*-flex.*
*.pyc
*.pyo
+*.stdout
.config-detected
util/intel-pt-decoder/inat-tables.c
arch/*/include/generated/
+trace/beauty/generated/
pmu-events/pmu-events.c
pmu-events/jevents
+pmu-events/metric_test.log
+pmu-events/empty-pmu-events.log
+pmu-events/test-empty-pmu-events.c
+*.shellcheck_log
+feature/
+libapi/
+libbpf/
+libperf/
+libsubcmd/
+libsymbol/
+fixdep
+Documentation/doc.dep
+python_ext_build/
diff --git a/tools/perf/Build b/tools/perf/Build
index 9b79f8d7db50..b03cc59dabf8 100644
--- a/tools/perf/Build
+++ b/tools/perf/Build
@@ -1,11 +1,11 @@
-perf-y += builtin-bench.o
+perf-bench-y += builtin-bench.o
perf-y += builtin-annotate.o
+perf-y += builtin-check.o
perf-y += builtin-config.o
perf-y += builtin-diff.o
perf-y += builtin-evlist.o
perf-y += builtin-ftrace.o
perf-y += builtin-help.o
-perf-y += builtin-sched.o
perf-y += builtin-buildid-list.o
perf-y += builtin-buildid-cache.o
perf-y += builtin-kallsyms.o
@@ -13,23 +13,31 @@ perf-y += builtin-list.o
perf-y += builtin-record.o
perf-y += builtin-report.o
perf-y += builtin-stat.o
-perf-y += builtin-timechart.o
perf-y += builtin-top.o
perf-y += builtin-script.o
-perf-y += builtin-kmem.o
-perf-y += builtin-lock.o
perf-y += builtin-kvm.o
perf-y += builtin-inject.o
perf-y += builtin-mem.o
perf-y += builtin-data.o
perf-y += builtin-version.o
perf-y += builtin-c2c.o
+perf-y += builtin-daemon.o
+
+perf-$(CONFIG_LIBTRACEEVENT) += builtin-kmem.o
+perf-$(CONFIG_LIBTRACEEVENT) += builtin-kwork.o
+perf-$(CONFIG_LIBTRACEEVENT) += builtin-lock.o
+perf-$(CONFIG_LIBTRACEEVENT) += builtin-sched.o
+perf-$(CONFIG_LIBTRACEEVENT) += builtin-timechart.o
+
+ifeq ($(CONFIG_LIBTRACEEVENT),y)
+ perf-$(CONFIG_TRACE) += builtin-trace.o
+ perf-$(CONFIG_TRACE) += trace/beauty/
+endif
-perf-$(CONFIG_AUDIT) += builtin-trace.o
perf-$(CONFIG_LIBELF) += builtin-probe.o
-perf-y += bench/
-perf-y += tests/
+perf-bench-y += bench/
+perf-test-y += tests/
perf-y += perf.o
@@ -46,9 +54,51 @@ CFLAGS_builtin-trace.o += -DSTRACE_GROUPS_DIR="BUILD_STR($(STRACE_GROUPS_DIR_
CFLAGS_builtin-report.o += -DTIPDIR="BUILD_STR($(tipdir_SQ))"
CFLAGS_builtin-report.o += -DDOCDIR="BUILD_STR($(srcdir_SQ)/Documentation)"
-libperf-y += util/
-libperf-y += arch/
-libperf-y += ui/
-libperf-y += scripts/
+perf-util-y += util/
+perf-util-y += arch/
+perf-y += arch/
+perf-test-y += arch/
+perf-ui-y += ui/
+perf-util-y += scripts/
gtk-y += ui/gtk/
+
+ifdef SHELLCHECK
+ SHELL_TESTS := $(wildcard *.sh)
+ SHELL_TEST_LOGS := $(SHELL_TESTS:%=%.shellcheck_log)
+else
+ SHELL_TESTS :=
+ SHELL_TEST_LOGS :=
+endif
+
+$(OUTPUT)%.shellcheck_log: %
+ $(call rule_mkdir)
+ $(Q)$(call echo-cmd,test)$(SHELLCHECK) "$<" > $@ || (cat $@ && rm $@ && false)
+
+perf-y += $(SHELL_TEST_LOGS)
+
+ifdef MYPY
+ PY_TESTS := $(shell find python -type f -name '*.py')
+ MYPY_TEST_LOGS := $(PY_TESTS:python/%=python/%.mypy_log)
+else
+ MYPY_TEST_LOGS :=
+endif
+
+$(OUTPUT)%.mypy_log: %
+ $(call rule_mkdir)
+ $(Q)$(call echo-cmd,test)mypy "$<" > $@ || (cat $@ && rm $@ && false)
+
+perf-y += $(MYPY_TEST_LOGS)
+
+ifdef PYLINT
+ PY_TESTS := $(shell find python -type f -name '*.py')
+ PYLINT_TEST_LOGS := $(PY_TESTS:python/%=python/%.pylint_log)
+else
+ PYLINT_TEST_LOGS :=
+endif
+
+$(OUTPUT)%.pylint_log: %
+ $(call rule_mkdir)
+ $(Q)$(call echo-cmd,test)pylint "$<" > $@ || (cat $@ && rm $@ && false)
+
+perf-y += $(PYLINT_TEST_LOGS)
diff --git a/tools/perf/Documentation/Build.txt b/tools/perf/Documentation/Build.txt
index f6fc6507ba55..57b226e7fc2f 100644
--- a/tools/perf/Documentation/Build.txt
+++ b/tools/perf/Documentation/Build.txt
@@ -47,3 +47,70 @@ Those objects are then used in final linking:
NOTE this description is omitting other libraries involved, only
focusing on build framework outcomes
+
+3) Build with ASan or UBSan
+==========================
+ $ cd tools/perf
+ $ make DESTDIR=/usr
+ $ make DESTDIR=/usr install
+
+AddressSanitizer (or ASan) is a GCC feature that detects memory corruption bugs
+such as buffer overflows and memory leaks.
+
+ $ cd tools/perf
+ $ make DEBUG=1 EXTRA_CFLAGS='-fno-omit-frame-pointer -fsanitize=address'
+ $ ASAN_OPTIONS=log_path=asan.log ./perf record -a
+
+ASan outputs all detected issues into a log file named 'asan.log.<pid>'.
+
+UndefinedBehaviorSanitizer (or UBSan) is a fast undefined behavior detector
+supported by GCC. UBSan detects undefined behaviors of programs at runtime.
+
+ $ cd tools/perf
+ $ make DEBUG=1 EXTRA_CFLAGS='-fno-omit-frame-pointer -fsanitize=undefined'
+ $ UBSAN_OPTIONS=print_stacktrace=1 ./perf record -a
+
+If UBSan detects any problem at runtime, it outputs a “runtime error:” message.
+
+4) Cross compilation
+====================
+As Multiarch is commonly supported in Linux distributions, we can install
+libraries for multiple architectures on the same system and then cross-compile
+Linux perf. For example, Aarch64 libraries and toolchains can be installed on
+an x86_64 machine, allowing us to compile perf for an Aarch64 target.
+
+Below is the command for building the perf with dynamic linking.
+
+ $ cd /path/to/Linux
+ $ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -C tools/perf
+
+For static linking, the option `LDFLAGS="-static"` is required.
+
+ $ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- \
+ LDFLAGS="-static" -C tools/perf
+
+In the embedded system world, a use case is to explicitly specify the package
+configuration paths for cross building:
+
+ $ PKG_CONFIG_SYSROOT_DIR="/path/to/cross/build/sysroot" \
+ PKG_CONFIG_LIBDIR="/usr/lib/:/usr/local/lib" \
+ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -C tools/perf
+
+In this case, the variable PKG_CONFIG_SYSROOT_DIR can be used alongside the
+variable PKG_CONFIG_LIBDIR or PKG_CONFIG_PATH to prepend the sysroot path to
+the library paths for cross compilation.
+
+5) Build with Clang
+===================
+By default, the makefile uses GCC as compiler. With specifying environment
+variables HOSTCC, CC and CXX, it allows to build perf with Clang.
+
+Using Clang for a native build:
+
+ $ HOSTCC=clang CC=clang CXX=clang++ make -C tools/perf
+
+Specifying ARCH and CROSS_COMPILE for cross compilation:
+
+ $ HOSTCC=clang CC=clang CXX=clang++ \
+ ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- \
+ make -C tools/perf
diff --git a/tools/perf/Documentation/Makefile b/tools/perf/Documentation/Makefile
index 098cfb9ca8f0..4407b106d977 100644
--- a/tools/perf/Documentation/Makefile
+++ b/tools/perf/Documentation/Makefile
@@ -1,6 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0-only
include ../../scripts/Makefile.include
include ../../scripts/utilities.mak
+ARTICLES =
+# with their own formatting rules.
+SP_ARTICLES =
+
MAN1_TXT= \
$(filter-out $(addsuffix .txt, $(ARTICLES) $(SP_ARTICLES)), \
$(wildcard perf-*.txt)) \
@@ -15,13 +20,6 @@ _MAN_HTML=$(patsubst %.txt,%.html,$(MAN_TXT))
MAN_XML=$(addprefix $(OUTPUT),$(_MAN_XML))
MAN_HTML=$(addprefix $(OUTPUT),$(_MAN_HTML))
-ARTICLES =
-# with their own formatting rules.
-SP_ARTICLES =
-API_DOCS = $(patsubst %.txt,%,$(filter-out technical/api-index-skel.txt technical/api-index.txt, $(wildcard technical/api-*.txt)))
-SP_ARTICLES += $(API_DOCS)
-SP_ARTICLES += technical/api-index
-
_DOC_HTML = $(_MAN_HTML)
_DOC_HTML+=$(patsubst %,%.html,$(ARTICLES) $(SP_ARTICLES))
DOC_HTML=$(addprefix $(OUTPUT),$(_DOC_HTML))
@@ -47,7 +45,8 @@ man5dir=$(mandir)/man5
man7dir=$(mandir)/man7
ASCIIDOC=asciidoc
-ASCIIDOC_EXTRA = --unsafe
+ASCIIDOC_EXTRA += --unsafe -f asciidoc.conf
+ASCIIDOC_HTML = xhtml11
MANPAGE_XSL = manpage-normal.xsl
XMLTO_EXTRA =
INSTALL?=install
@@ -55,6 +54,14 @@ RM ?= rm -f
DOC_REF = origin/man
HTML_REF = origin/html
+ifdef USE_ASCIIDOCTOR
+ASCIIDOC = asciidoctor
+ASCIIDOC_EXTRA += -a compat-mode
+ASCIIDOC_EXTRA += -I. -rasciidoctor-extensions
+ASCIIDOC_EXTRA += -a mansource="perf" -a manmanual="perf Manual"
+ASCIIDOC_HTML = xhtml5
+endif
+
infodir?=$(prefix)/share/info
MAKEINFO=makeinfo
INSTALL_INFO=install-info
@@ -73,10 +80,12 @@ ifeq ($(_tmp_tool_path),)
missing_tools = $(ASCIIDOC)
endif
+ifndef USE_ASCIIDOCTOR
_tmp_tool_path := $(call get-executable,$(XMLTO))
ifeq ($(_tmp_tool_path),)
missing_tools += $(XMLTO)
endif
+endif
#
# For asciidoc ...
@@ -161,7 +170,7 @@ ifneq ($(V),1)
endif
endif
-all: html man
+all: html man info
html: $(DOC_HTML)
@@ -174,8 +183,6 @@ man7: $(DOC_MAN7)
info: $(OUTPUT)perf.info $(OUTPUT)perfman.info
-pdf: $(OUTPUT)user-manual.pdf
-
install: install-man
check-man-tools:
@@ -192,7 +199,7 @@ do-install-man: man
# $(INSTALL) -m 644 $(DOC_MAN5) $(DESTDIR)$(man5dir); \
# $(INSTALL) -m 644 $(DOC_MAN7) $(DESTDIR)$(man7dir)
-install-man: check-man-tools man
+install-man: check-man-tools man do-install-man
ifdef missing_tools
DO_INSTALL_MAN = $(warning Please install $(missing_tools) to have the man pages installed)
@@ -213,11 +220,6 @@ install-info: info
echo "No directory found in $(DESTDIR)$(infodir)" >&2 ; \
fi
-install-pdf: pdf
- $(call QUIET_INSTALL, Documentation-pdf) \
- $(INSTALL) -d -m 755 $(DESTDIR)$(pdfdir); \
- $(INSTALL) -m 644 $(OUTPUT)user-manual.pdf $(DESTDIR)$(pdfdir)
-
#install-html: html
# '$(SHELL_PATH_SQ)' ./install-webdoc.sh $(DESTDIR)$(htmldir)
@@ -230,75 +232,55 @@ $(OUTPUT)doc.dep : $(wildcard *.txt) build-docdep.perl
$(PERL_PATH) ./build-docdep.perl >$@+ $(QUIET_STDERR) && \
mv $@+ $@
--include $(OUPTUT)doc.dep
-
-_cmds_txt = cmds-ancillaryinterrogators.txt \
- cmds-ancillarymanipulators.txt \
- cmds-mainporcelain.txt \
- cmds-plumbinginterrogators.txt \
- cmds-plumbingmanipulators.txt \
- cmds-synchingrepositories.txt \
- cmds-synchelpers.txt \
- cmds-purehelpers.txt \
- cmds-foreignscminterface.txt
-cmds_txt=$(addprefix $(OUTPUT),$(_cmds_txt))
-
-$(cmds_txt): $(OUTPUT)cmd-list.made
-
-$(OUTPUT)cmd-list.made: cmd-list.perl ../command-list.txt $(MAN1_TXT)
- $(QUIET_GEN)$(RM) $@ && \
- $(PERL_PATH) ./cmd-list.perl ../command-list.txt $(QUIET_STDERR) && \
- date >$@
+-include $(OUTPUT)doc.dep
CLEAN_FILES = \
$(MAN_XML) $(addsuffix +,$(MAN_XML)) \
$(MAN_HTML) $(addsuffix +,$(MAN_HTML)) \
$(DOC_HTML) $(DOC_MAN1) $(DOC_MAN5) $(DOC_MAN7) \
$(OUTPUT)*.texi $(OUTPUT)*.texi+ $(OUTPUT)*.texi++ \
- $(OUTPUT)perf.info $(OUTPUT)perfman.info \
- $(OUTPUT)howto-index.txt $(OUTPUT)howto/*.html $(OUTPUT)doc.dep \
- $(OUTPUT)technical/api-*.html $(OUTPUT)technical/api-index.txt \
- $(cmds_txt) $(OUTPUT)*.made
+ $(OUTPUT)perf.info $(OUTPUT)perfman.info $(OUTPUT)doc.dep \
+ $(OUTPUT)technical/api-*.html $(OUTPUT)technical/api-index.txt
clean:
$(call QUIET_CLEAN, Documentation) $(RM) $(CLEAN_FILES)
$(MAN_HTML): $(OUTPUT)%.html : %.txt
$(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
- $(ASCIIDOC) -b xhtml11 -d manpage -f asciidoc.conf \
+ $(ASCIIDOC) -b $(ASCIIDOC_HTML) -d manpage \
$(ASCIIDOC_EXTRA) -aperf_version=$(PERF_VERSION) -o $@+ $< && \
mv $@+ $@
+# Generate date from either KBUILD_BUILD_TIMESTAMP or git log of
+# the doc input file
+PERF_DATE = $(strip \
+ $(if $(KBUILD_BUILD_TIMESTAMP), \
+ $(shell date -u -d '$(KBUILD_BUILD_TIMESTAMP)' +%Y-%m-%d), \
+ $(shell git log -1 --pretty="format:%cd" \
+ --date=short --no-show-signature $<)))
+
+ifdef USE_ASCIIDOCTOR
+$(OUTPUT)%.1 $(OUTPUT)%.5 $(OUTPUT)%.7 : %.txt
+ $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
+ $(ASCIIDOC) -b manpage -d manpage \
+ $(ASCIIDOC_EXTRA) -aperf_version=$(PERF_VERSION) \
+ -adocdate=$(PERF_DATE) -o $@+ $< && \
+ mv $@+ $@
+endif
+
$(OUTPUT)%.1 $(OUTPUT)%.5 $(OUTPUT)%.7 : $(OUTPUT)%.xml
$(QUIET_XMLTO)$(RM) $@ && \
$(XMLTO) -o $(OUTPUT). -m $(MANPAGE_XSL) $(XMLTO_EXTRA) man $<
$(OUTPUT)%.xml : %.txt
$(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
- $(ASCIIDOC) -b docbook -d manpage -f asciidoc.conf \
- $(ASCIIDOC_EXTRA) -aperf_version=$(PERF_VERSION) -o $@+ $< && \
+ $(ASCIIDOC) -b docbook -d manpage \
+ $(ASCIIDOC_EXTRA) -aperf_version=$(PERF_VERSION) \
+ -aperf_date=$(PERF_DATE) -o $@+ $< && \
mv $@+ $@
XSLT = docbook.xsl
XSLTOPTS = --xinclude --stringparam html.stylesheet docbook-xsl.css
-$(OUTPUT)user-manual.html: $(OUTPUT)user-manual.xml
- $(QUIET_XSLTPROC)xsltproc $(XSLTOPTS) -o $@ $(XSLT) $<
-
-$(OUTPUT)perf.info: $(OUTPUT)user-manual.texi
- $(QUIET_MAKEINFO)$(MAKEINFO) --no-split -o $@ $(OUTPUT)user-manual.texi
-
-$(OUTPUT)user-manual.texi: $(OUTPUT)user-manual.xml
- $(QUIET_DB2TEXI)$(RM) $@+ $@ && \
- $(DOCBOOK2X_TEXI) $(OUTPUT)user-manual.xml --encoding=UTF-8 --to-stdout >$@++ && \
- $(PERL_PATH) fix-texi.perl <$@++ >$@+ && \
- rm $@++ && \
- mv $@+ $@
-
-$(OUTPUT)user-manual.pdf: $(OUTPUT)user-manual.xml
- $(QUIET_DBLATEX)$(RM) $@+ $@ && \
- $(DBLATEX) -o $@+ -p /etc/asciidoc/dblatex/asciidoc-dblatex.xsl -s /etc/asciidoc/dblatex/asciidoc-dblatex.sty $< && \
- mv $@+ $@
-
$(OUTPUT)perfman.texi: $(MAN_XML) cat-texi.perl
$(QUIET_DB2TEXI)$(RM) $@+ $@ && \
($(foreach xml,$(MAN_XML),$(DOCBOOK2X_TEXI) --encoding=UTF-8 \
@@ -308,28 +290,18 @@ $(OUTPUT)perfman.texi: $(MAN_XML) cat-texi.perl
mv $@+ $@
$(OUTPUT)perfman.info: $(OUTPUT)perfman.texi
- $(QUIET_MAKEINFO)$(MAKEINFO) --no-split --no-validate $*.texi
+ $(QUIET_MAKEINFO)$(MAKEINFO) --no-split --no-validate -o $@ $*.texi
$(patsubst %.txt,%.texi,$(MAN_TXT)): %.texi : %.xml
$(QUIET_DB2TEXI)$(RM) $@+ $@ && \
$(DOCBOOK2X_TEXI) --to-stdout $*.xml >$@+ && \
mv $@+ $@
-howto-index.txt: howto-index.sh $(wildcard howto/*.txt)
- $(QUIET_GEN)$(RM) $@+ $@ && \
- '$(SHELL_PATH_SQ)' ./howto-index.sh $(wildcard howto/*.txt) >$@+ && \
- mv $@+ $@
-
$(patsubst %,%.html,$(ARTICLES)) : %.html : %.txt
- $(QUIET_ASCIIDOC)$(ASCIIDOC) -b xhtml11 $*.txt
+ $(QUIET_ASCIIDOC)$(ASCIIDOC) -b $(ASCIIDOC_HTML) $*.txt
WEBDOC_DEST = /pub/software/tools/perf/docs
-$(patsubst %.txt,%.html,$(wildcard howto/*.txt)): %.html : %.txt
- $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
- sed -e '1,/^$$/d' $< | $(ASCIIDOC) -b xhtml11 - >$@+ && \
- mv $@+ $@
-
# UNIMPLEMENTED
#install-webdoc : html
# '$(SHELL_PATH_SQ)' ./install-webdoc.sh $(WEBDOC_DEST)
diff --git a/tools/perf/Documentation/android.txt b/tools/perf/Documentation/android.txt
index 24a59998fc91..3f3cc7ac3d13 100644
--- a/tools/perf/Documentation/android.txt
+++ b/tools/perf/Documentation/android.txt
@@ -1,78 +1,10 @@
How to compile perf for Android
-=========================================
+===============================
-I. Set the Android NDK environment
-------------------------------------------------
+There are two ways to build perf and run it on Android:
-(a). Use the Android NDK
-------------------------------------------------
-1. You need to download and install the Android Native Development Kit (NDK).
-Set the NDK variable to point to the path where you installed the NDK:
- export NDK=/path/to/android-ndk
+- Method 1: Build perf with static linking. See Build.txt, section
+ "4) Cross compilation" for how to build a static perf binary.
-2. Set cross-compiling environment variables for NDK toolchain and sysroot.
-For arm:
- export NDK_TOOLCHAIN=${NDK}/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-
- export NDK_SYSROOT=${NDK}/platforms/android-24/arch-arm
-For x86:
- export NDK_TOOLCHAIN=${NDK}/toolchains/x86-4.9/prebuilt/linux-x86_64/bin/i686-linux-android-
- export NDK_SYSROOT=${NDK}/platforms/android-24/arch-x86
-
-This method is only tested for Android NDK versions Revision 11b and later.
-perf uses some bionic enhancements that are not included in prior NDK versions.
-You can use method (b) described below instead.
-
-(b). Use the Android source tree
------------------------------------------------
-1. Download the master branch of the Android source tree.
-Set the environment for the target you want using:
- source build/envsetup.sh
- lunch
-
-2. Build your own NDK sysroot to contain latest bionic changes and set the
-NDK sysroot environment variable.
- cd ${ANDROID_BUILD_TOP}/ndk
-For arm:
- ./build/tools/build-ndk-sysroot.sh --abi=arm
- export NDK_SYSROOT=${ANDROID_BUILD_TOP}/ndk/build/platforms/android-3/arch-arm
-For x86:
- ./build/tools/build-ndk-sysroot.sh --abi=x86
- export NDK_SYSROOT=${ANDROID_BUILD_TOP}/ndk/build/platforms/android-3/arch-x86
-
-3. Set the NDK toolchain environment variable.
-For arm:
- export NDK_TOOLCHAIN=${ANDROID_TOOLCHAIN}/arm-linux-androideabi-
-For x86:
- export NDK_TOOLCHAIN=${ANDROID_TOOLCHAIN}/i686-linux-android-
-
-II. Compile perf for Android
-------------------------------------------------
-You need to run make with the NDK toolchain and sysroot defined above:
-For arm:
- make WERROR=0 ARCH=arm CROSS_COMPILE=${NDK_TOOLCHAIN} EXTRA_CFLAGS="-pie --sysroot=${NDK_SYSROOT}"
-For x86:
- make WERROR=0 ARCH=x86 CROSS_COMPILE=${NDK_TOOLCHAIN} EXTRA_CFLAGS="-pie --sysroot=${NDK_SYSROOT}"
-
-III. Install perf
------------------------------------------------
-You need to connect to your Android device/emulator using adb.
-Install perf using:
- adb push perf /data/perf
-
-If you also want to use perf-archive you need busybox tools for Android.
-For installing perf-archive, you first need to replace #!/bin/bash with #!/system/bin/sh:
- sed 's/#!\/bin\/bash/#!\/system\/bin\/sh/g' perf-archive >> /tmp/perf-archive
- chmod +x /tmp/perf-archive
- adb push /tmp/perf-archive /data/perf-archive
-
-IV. Environment settings for running perf
-------------------------------------------------
-Some perf features need environment variables to run properly.
-You need to set these before running perf on the target:
- adb shell
- # PERF_PAGER=cat
-
-IV. Run perf
-------------------------------------------------
-Run perf on your device/emulator to which you previously connected using adb:
- # ./data/perf
+- Method 2: Download the Android NDK and use the bundled Clang to
+ build perf. See Build.txt, section "5) Build with clang" for details.
diff --git a/tools/perf/Documentation/arm-coresight.txt b/tools/perf/Documentation/arm-coresight.txt
new file mode 100644
index 000000000000..c117fc50a2a9
--- /dev/null
+++ b/tools/perf/Documentation/arm-coresight.txt
@@ -0,0 +1,5 @@
+Arm CoreSight Support
+=====================
+
+For full documentation, see Documentation/trace/coresight/coresight-perf.rst
+in the kernel tree.
diff --git a/tools/perf/Documentation/asciidoc.conf b/tools/perf/Documentation/asciidoc.conf
index 356b23a40339..2b62ba1e72b7 100644
--- a/tools/perf/Documentation/asciidoc.conf
+++ b/tools/perf/Documentation/asciidoc.conf
@@ -71,6 +71,9 @@ ifdef::backend-docbook[]
[header]
template::[header-declarations]
<refentry>
+ifdef::perf_date[]
+<refentryinfo><date>{perf_date}</date></refentryinfo>
+endif::perf_date[]
<refmeta>
<refentrytitle>{mantitle}</refentrytitle>
<manvolnum>{manvolnum}</manvolnum>
diff --git a/tools/perf/Documentation/asciidoctor-extensions.rb b/tools/perf/Documentation/asciidoctor-extensions.rb
new file mode 100644
index 000000000000..d148fe95c0c4
--- /dev/null
+++ b/tools/perf/Documentation/asciidoctor-extensions.rb
@@ -0,0 +1,29 @@
+require 'asciidoctor'
+require 'asciidoctor/extensions'
+
+module Perf
+ module Documentation
+ class LinkPerfProcessor < Asciidoctor::Extensions::InlineMacroProcessor
+ use_dsl
+
+ named :chrome
+
+ def process(parent, target, attrs)
+ if parent.document.basebackend? 'html'
+ %(<a href="#{target}.html">#{target}(#{attrs[1]})</a>\n)
+ elsif parent.document.basebackend? 'manpage'
+ "#{target}(#{attrs[1]})"
+ elsif parent.document.basebackend? 'docbook'
+ "<citerefentry>\n" \
+ "<refentrytitle>#{target}</refentrytitle>" \
+ "<manvolnum>#{attrs[1]}</manvolnum>\n" \
+ "</citerefentry>\n"
+ end
+ end
+ end
+ end
+end
+
+Asciidoctor::Extensions.register do
+ inline_macro Perf::Documentation::LinkPerfProcessor, :linkperf
+end
diff --git a/tools/perf/Documentation/build-docdep.perl b/tools/perf/Documentation/build-docdep.perl
new file mode 100755
index 000000000000..ba4205e0302a
--- /dev/null
+++ b/tools/perf/Documentation/build-docdep.perl
@@ -0,0 +1,46 @@
+#!/usr/bin/perl
+
+my %include = ();
+my %included = ();
+
+for my $text (<*.txt>) {
+ open I, '<', $text || die "cannot read: $text";
+ while (<I>) {
+ if (/^include::/) {
+ chomp;
+ s/^include::\s*//;
+ s/\[\]//;
+ $include{$text}{$_} = 1;
+ $included{$_} = 1;
+ }
+ }
+ close I;
+}
+
+# Do we care about chained includes???
+my $changed = 1;
+while ($changed) {
+ $changed = 0;
+ while (my ($text, $included) = each %include) {
+ for my $i (keys %$included) {
+ # $text has include::$i; if $i includes $j
+ # $text indirectly includes $j.
+ if (exists $include{$i}) {
+ for my $j (keys %{$include{$i}}) {
+ if (!exists $include{$text}{$j}) {
+ $include{$text}{$j} = 1;
+ $included{$j} = 1;
+ $changed = 1;
+ }
+ }
+ }
+ }
+ }
+}
+
+while (my ($text, $included) = each %include) {
+ if (! exists $included{$text} &&
+ (my $base = $text) =~ s/\.txt$//) {
+ print "$base.html $base.xml : ", join(" ", keys %$included), "\n";
+ }
+}
diff --git a/tools/perf/Documentation/build-xed.txt b/tools/perf/Documentation/build-xed.txt
new file mode 100644
index 000000000000..6222c1e7231f
--- /dev/null
+++ b/tools/perf/Documentation/build-xed.txt
@@ -0,0 +1,19 @@
+
+For --xed the xed tool is needed. Here is how to install it:
+
+ $ git clone https://github.com/intelxed/mbuild.git mbuild
+ $ git clone https://github.com/intelxed/xed
+ $ cd xed
+ $ ./mfile.py --share
+ $ ./mfile.py examples
+ $ sudo ./mfile.py --prefix=/usr/local install
+ $ sudo ldconfig
+ $ sudo cp obj/examples/xed /usr/local/bin
+
+Basic xed testing:
+
+ $ xed | head -3
+ ERROR: required argument(s) were missing
+ Copyright (C) 2017, Intel Corporation. All rights reserved.
+ XED version: [v10.0-328-g7d62c8c49b7b]
+ $
diff --git a/tools/perf/Documentation/callchain-overhead-calculation.txt b/tools/perf/Documentation/callchain-overhead-calculation.txt
index 1a757927195e..e0202bf5bd1a 100644
--- a/tools/perf/Documentation/callchain-overhead-calculation.txt
+++ b/tools/perf/Documentation/callchain-overhead-calculation.txt
@@ -1,7 +1,8 @@
Overhead calculation
--------------------
-The overhead can be shown in two columns as 'Children' and 'Self' when
-perf collects callchains. The 'self' overhead is simply calculated by
+The CPU overhead can be shown in two columns as 'Children' and 'Self'
+when perf collects callchains (and corresponding 'Wall' columns for
+wall-clock overhead). The 'self' overhead is simply calculated by
adding all period values of the entry - usually a function (symbol).
This is the value that perf shows traditionally and sum of all the
'self' overhead values should be 100%.
diff --git a/tools/perf/Documentation/cat-texi.perl b/tools/perf/Documentation/cat-texi.perl
new file mode 100755
index 000000000000..14d2f8341517
--- /dev/null
+++ b/tools/perf/Documentation/cat-texi.perl
@@ -0,0 +1,46 @@
+#!/usr/bin/perl -w
+
+use strict;
+use warnings;
+
+my @menu = ();
+my $output = $ARGV[0];
+
+open my $tmp, '>', "$output.tmp";
+
+while (<STDIN>) {
+ next if (/^\\input texinfo/../\@node Top/);
+ next if (/^\@bye/ || /^\.ft/);
+ if (s/^\@top (.*)/\@node $1,,,Top/) {
+ push @menu, $1;
+ }
+ s/\(\@pxref\{\[(URLS|REMOTES)\]}\)//;
+ s/\@anchor\{[^{}]*\}//g;
+ print $tmp $_;
+}
+close $tmp;
+
+print '\input texinfo
+@setfilename gitman.info
+@documentencoding UTF-8
+@dircategory Development
+@direntry
+* Git Man Pages: (gitman). Manual pages for Git revision control system
+@end direntry
+@node Top,,, (dir)
+@top Git Manual Pages
+@documentlanguage en
+@menu
+';
+
+for (@menu) {
+ print "* ${_}::\n";
+}
+print "\@end menu\n";
+open $tmp, '<', "$output.tmp";
+while (<$tmp>) {
+ print;
+}
+close $tmp;
+print "\@bye\n";
+unlink "$output.tmp";
diff --git a/tools/perf/Documentation/cpu-and-latency-overheads.txt b/tools/perf/Documentation/cpu-and-latency-overheads.txt
new file mode 100644
index 000000000000..3b6d63705465
--- /dev/null
+++ b/tools/perf/Documentation/cpu-and-latency-overheads.txt
@@ -0,0 +1,85 @@
+CPU and latency overheads
+-------------------------
+There are two notions of time: wall-clock time and CPU time.
+For a single-threaded program, or a program running on a single-core machine,
+these notions are the same. However, for a multi-threaded/multi-process program
+running on a multi-core machine, these notions are significantly different.
+Each second of wall-clock time we have number-of-cores seconds of CPU time.
+Perf can measure overhead for both of these times (shown in 'overhead' and
+'latency' columns for CPU and wall-clock time correspondingly).
+
+Optimizing CPU overhead is useful to improve 'throughput', while optimizing
+latency overhead is useful to improve 'latency'. It's important to understand
+which one is useful in a concrete situation at hand. For example, the former
+may be useful to improve max throughput of a CI build server that runs on 100%
+CPU utilization, while the latter may be useful to improve user-perceived
+latency of a single interactive program build.
+These overheads may be significantly different in some cases. For example,
+consider a program that executes function 'foo' for 9 seconds with 1 thread,
+and then executes function 'bar' for 1 second with 128 threads (consumes
+128 seconds of CPU time). The CPU overhead is: 'foo' - 6.6%, 'bar' - 93.4%.
+While the latency overhead is: 'foo' - 90%, 'bar' - 10%. If we try to optimize
+running time of the program looking at the (wrong in this case) CPU overhead,
+we would concentrate on the function 'bar', but it can yield only 10% running
+time improvement at best.
+
+By default, perf shows only CPU overhead. To show latency overhead, use
+'perf record --latency' and 'perf report':
+
+-----------------------------------
+Overhead Latency Command
+ 93.88% 25.79% cc1
+ 1.90% 39.87% gzip
+ 0.99% 10.16% dpkg-deb
+ 0.57% 1.00% as
+ 0.40% 0.46% sh
+-----------------------------------
+
+To sort by latency overhead, use 'perf report --latency':
+
+-----------------------------------
+Latency Overhead Command
+ 39.87% 1.90% gzip
+ 25.79% 93.88% cc1
+ 10.16% 0.99% dpkg-deb
+ 4.17% 0.29% git
+ 2.81% 0.11% objtool
+-----------------------------------
+
+To get insight into the difference between the overheads, you may check
+parallelization histogram with '--sort=latency,parallelism,comm,symbol --hierarchy'
+flags. It shows fraction of (wall-clock) time the workload utilizes different
+numbers of cores ('Parallelism' column). For example, in the following case
+the workload utilizes only 1 core most of the time, but also has some
+highly-parallel phases, which explains significant difference between
+CPU and wall-clock overheads:
+
+-----------------------------------
+ Latency Overhead Parallelism / Command / Symbol
++ 56.98% 2.29% 1
++ 16.94% 1.36% 2
++ 4.00% 20.13% 125
++ 3.66% 18.25% 124
++ 3.48% 17.66% 126
++ 3.26% 0.39% 3
++ 2.61% 12.93% 123
+-----------------------------------
+
+By expanding corresponding lines, you may see what commands/functions run
+at the given parallelism level:
+
+-----------------------------------
+ Latency Overhead Parallelism / Command / Symbol
+- 56.98% 2.29% 1
+ 32.80% 1.32% gzip
+ 4.46% 0.18% cc1
+ 2.81% 0.11% objtool
+ 2.43% 0.10% dpkg-source
+ 2.22% 0.09% ld
+ 2.10% 0.08% dpkg-genchanges
+-----------------------------------
+
+To see the normal function-level profile for particular parallelism levels
+(number of threads actively running on CPUs), you may use '--parallelism'
+filter. For example, to see the profile only for low parallelism phases
+of a workload use '--latency --parallelism=1-2' flags.
diff --git a/tools/perf/Documentation/db-export.txt b/tools/perf/Documentation/db-export.txt
new file mode 100644
index 000000000000..52ffccb02d55
--- /dev/null
+++ b/tools/perf/Documentation/db-export.txt
@@ -0,0 +1,41 @@
+Database Export
+===============
+
+perf tool's python scripting engine:
+
+ tools/perf/util/scripting-engines/trace-event-python.c
+
+supports scripts:
+
+ tools/perf/scripts/python/export-to-sqlite.py
+ tools/perf/scripts/python/export-to-postgresql.py
+
+which export data to a SQLite3 or PostgreSQL database.
+
+The export process provides records with unique sequential ids which allows the
+data to be imported directly to a database and provides the relationships
+between tables.
+
+Over time it is possible to continue to expand the export while maintaining
+backward and forward compatibility, by following some simple rules:
+
+1. Because of the nature of SQL, existing tables and columns can continue to be
+used so long as the names and meanings (and to some extent data types) remain
+the same.
+
+2. New tables and columns can be added, without affecting existing SQL queries,
+so long as the new names are unique.
+
+3. Scripts that use a database (e.g. exported-sql-viewer.py) can maintain
+backward compatibility by testing for the presence of new tables and columns
+before using them. e.g. function IsSelectable() in exported-sql-viewer.py
+
+4. The export scripts themselves maintain forward compatibility (i.e. an existing
+script will continue to work with new versions of perf) by accepting a variable
+number of arguments (e.g. def call_return_table(*x)) i.e. perf can pass more
+arguments which old scripts will ignore.
+
+5. The scripting engine tests for the existence of script handler functions
+before calling them. The scripting engine can also test for the support of new
+or optional features by checking for the existence and value of script global
+variables.
diff --git a/tools/perf/Documentation/examples.txt b/tools/perf/Documentation/examples.txt
index a4e392156488..c0d22fbe9201 100644
--- a/tools/perf/Documentation/examples.txt
+++ b/tools/perf/Documentation/examples.txt
@@ -3,7 +3,7 @@
****** perf by examples ******
------------------------------
-[ From an e-mail by Ingo Molnar, http://lkml.org/lkml/2009/8/4/346 ]
+[ From an e-mail by Ingo Molnar, https://lore.kernel.org/lkml/20090804195717.GA5998@elte.hu ]
First, discovery/enumeration of available counters can be done via
diff --git a/tools/perf/Documentation/guest-files.txt b/tools/perf/Documentation/guest-files.txt
new file mode 100644
index 000000000000..8cc0b092f996
--- /dev/null
+++ b/tools/perf/Documentation/guest-files.txt
@@ -0,0 +1,16 @@
+include::guestmount.txt[]
+
+--guestkallsyms=<path>::
+ Guest OS /proc/kallsyms file copy. perf reads it to get guest
+ kernel symbols. Users copy it out from guest OS.
+
+--guestmodules=<path>::
+ Guest OS /proc/modules file copy. perf reads it to get guest
+ kernel module information. Users copy it out from guest OS.
+
+--guestvmlinux=<path>::
+ Guest OS kernel vmlinux.
+
+--guest-code::
+ Indicate that guest code can be found in the hypervisor process,
+ which is a common case for KVM test programs.
diff --git a/tools/perf/Documentation/guestmount.txt b/tools/perf/Documentation/guestmount.txt
new file mode 100644
index 000000000000..6edf12363add
--- /dev/null
+++ b/tools/perf/Documentation/guestmount.txt
@@ -0,0 +1,11 @@
+--guestmount=<path>::
+ Guest OS root file system mount directory. Users mount guest OS
+ root directories under <path> by a specific filesystem access method,
+ typically, sshfs.
+ For example, start 2 guest OS, one's pid is 8888 and the other's is 9999:
+[verse]
+ $ mkdir \~/guestmount
+ $ cd \~/guestmount
+ $ sshfs -o allow_other,direct_io -p 5551 localhost:/ 8888/
+ $ sshfs -o allow_other,direct_io -p 5552 localhost:/ 9999/
+ $ perf {GMEXAMPLECMD} --guestmount=~/guestmount {GMEXAMPLESUBCMD}
diff --git a/tools/perf/Documentation/intel-acr.txt b/tools/perf/Documentation/intel-acr.txt
new file mode 100644
index 000000000000..72654fdd9a52
--- /dev/null
+++ b/tools/perf/Documentation/intel-acr.txt
@@ -0,0 +1,53 @@
+Intel Auto Counter Reload Support
+---------------------------------
+Support for Intel Auto Counter Reload in perf tools
+
+Auto counter reload provides a means for software to specify to hardware
+that certain counters, if supported, should be automatically reloaded
+upon overflow of chosen counters. By taking a sample only if the rate of
+one event exceeds some threshold relative to the rate of another event,
+this feature enables software to sample based on the relative rate of
+two or more events. To enable this, the user must provide a sample period
+term and a bitmask ("acr_mask") for each relevant event specifying the
+counters in an event group to reload if the event's specified sample
+period is exceeded.
+
+For example, if the user desires to measure a scenario when IPC > 2,
+the event group might look like the one below:
+
+ perf record -e {cpu_atom/instructions,period=200000,acr_mask=0x2/, \
+ cpu_atom/cycles,period=100000,acr_mask=0x3/} -- true
+
+In this case, if the "instructions" counter exceeds the sample period of
+200000, the second counter, "cycles", will be reset and a sample will be
+taken. If "cycles" is exceeded first, both counters in the group will be
+reset. In this way, samples will only be taken for cases where IPC > 2.
+
+The acr_mask term is a hexadecimal value representing a bitmask of the
+events in the group to be reset when the period is exceeded. In the
+example above, "instructions" is assigned an acr_mask of 0x2, meaning
+only the second event in the group is reloaded and a sample is taken
+for the first event. "cycles" is assigned an acr_mask of 0x3, meaning
+that both event counters will be reset if the sample period is exceeded
+first.
+
+ratio-to-prev Event Term
+------------------------
+To simplify this, an event term "ratio-to-prev" is provided which is used
+alongside the sample period term n or the -c/--count option. This would
+allow users to specify the desired relative rate between events as a
+ratio. Note: Both events compared must belong to the same PMU.
+
+The command above would then become
+
+ perf record -e {cpu_atom/instructions/, \
+ cpu_atom/cycles,period=100000,ratio-to-prev=0.5/} -- true
+
+ratio-to-prev is the ratio of the event using the term relative
+to the previous event in the group, which will always be 1,
+for a 1:0.5 or 2:1 ratio.
+
+To sample for IPC < 2 for example, the events need to be reordered:
+
+ perf record -e {cpu_atom/cycles/, \
+ cpu_atom/instructions,period=200000,ratio-to-prev=2.0/} -- true
diff --git a/tools/perf/Documentation/intel-hybrid.txt b/tools/perf/Documentation/intel-hybrid.txt
new file mode 100644
index 000000000000..0379903673a4
--- /dev/null
+++ b/tools/perf/Documentation/intel-hybrid.txt
@@ -0,0 +1,204 @@
+Intel hybrid support
+--------------------
+Support for Intel hybrid events within perf tools.
+
+For some Intel platforms, such as AlderLake, which is hybrid platform and
+it consists of atom cpu and core cpu. Each cpu has dedicated event list.
+Part of events are available on core cpu, part of events are available
+on atom cpu and even part of events are available on both.
+
+Kernel exports two new cpu pmus via sysfs:
+/sys/bus/event_source/devices/cpu_core
+/sys/bus/event_source/devices/cpu_atom
+
+The 'cpus' files are created under the directories. For example,
+
+cat /sys/bus/event_source/devices/cpu_core/cpus
+0-15
+
+cat /sys/bus/event_source/devices/cpu_atom/cpus
+16-23
+
+It indicates cpu0-cpu15 are core cpus and cpu16-cpu23 are atom cpus.
+
+As before, use perf-list to list the symbolic event.
+
+perf list
+
+inst_retired.any
+ [Fixed Counter: Counts the number of instructions retired. Unit: cpu_atom]
+inst_retired.any
+ [Number of instructions retired. Fixed Counter - architectural event. Unit: cpu_core]
+
+The 'Unit: xxx' is added to brief description to indicate which pmu
+the event is belong to. Same event name but with different pmu can
+be supported.
+
+Enable hybrid event with a specific pmu
+
+To enable a core only event or atom only event, following syntax is supported:
+
+ cpu_core/<event name>/
+or
+ cpu_atom/<event name>/
+
+For example, count the 'cycles' event on core cpus.
+
+ perf stat -e cpu_core/cycles/
+
+Create two events for one hardware event automatically
+
+When creating one event and the event is available on both atom and core,
+two events are created automatically. One is for atom, the other is for
+core. Most of hardware events and cache events are available on both
+cpu_core and cpu_atom.
+
+For hardware events, they have pre-defined configs (e.g. 0 for cycles).
+But on hybrid platform, kernel needs to know where the event comes from
+(from atom or from core). The original perf event type PERF_TYPE_HARDWARE
+can't carry pmu information. So now this type is extended to be PMU aware
+type. The PMU type ID is stored at attr.config[63:32].
+
+PMU type ID is retrieved from sysfs.
+/sys/bus/event_source/devices/cpu_atom/type
+/sys/bus/event_source/devices/cpu_core/type
+
+The new attr.config layout for PERF_TYPE_HARDWARE:
+
+PERF_TYPE_HARDWARE: 0xEEEEEEEE000000AA
+ AA: hardware event ID
+ EEEEEEEE: PMU type ID
+
+Cache event is similar. The type PERF_TYPE_HW_CACHE is extended to be
+PMU aware type. The PMU type ID is stored at attr.config[63:32].
+
+The new attr.config layout for PERF_TYPE_HW_CACHE:
+
+PERF_TYPE_HW_CACHE: 0xEEEEEEEE00DDCCBB
+ BB: hardware cache ID
+ CC: hardware cache op ID
+ DD: hardware cache op result ID
+ EEEEEEEE: PMU type ID
+
+When enabling a hardware event without specified pmu, such as,
+perf stat -e cycles -a (use system-wide in this example), two events
+are created automatically.
+
+ ------------------------------------------------------------
+ perf_event_attr:
+ size 120
+ config 0x400000000
+ sample_type IDENTIFIER
+ read_format TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
+ disabled 1
+ inherit 1
+ exclude_guest 1
+ ------------------------------------------------------------
+
+and
+
+ ------------------------------------------------------------
+ perf_event_attr:
+ size 120
+ config 0x800000000
+ sample_type IDENTIFIER
+ read_format TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
+ disabled 1
+ inherit 1
+ exclude_guest 1
+ ------------------------------------------------------------
+
+type 0 is PERF_TYPE_HARDWARE.
+0x4 in 0x400000000 indicates it's cpu_core pmu.
+0x8 in 0x800000000 indicates it's cpu_atom pmu (atom pmu type id is random).
+
+The kernel creates 'cycles' (0x400000000) on cpu0-cpu15 (core cpus),
+and create 'cycles' (0x800000000) on cpu16-cpu23 (atom cpus).
+
+For perf-stat result, it displays two events:
+
+ Performance counter stats for 'system wide':
+
+ 6,744,979 cpu_core/cycles/
+ 1,965,552 cpu_atom/cycles/
+
+The first 'cycles' is core event, the second 'cycles' is atom event.
+
+Thread mode example:
+
+perf-stat reports the scaled counts for hybrid event and with a percentage
+displayed. The percentage is the event's running time/enabling time.
+
+One example, 'triad_loop' runs on cpu16 (atom core), while we can see the
+scaled value for core cycles is 160,444,092 and the percentage is 0.47%.
+
+perf stat -e cycles \-- taskset -c 16 ./triad_loop
+
+As previous, two events are created.
+
+------------------------------------------------------------
+perf_event_attr:
+ size 120
+ config 0x400000000
+ sample_type IDENTIFIER
+ read_format TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
+ disabled 1
+ inherit 1
+ enable_on_exec 1
+ exclude_guest 1
+------------------------------------------------------------
+
+and
+
+------------------------------------------------------------
+perf_event_attr:
+ size 120
+ config 0x800000000
+ sample_type IDENTIFIER
+ read_format TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
+ disabled 1
+ inherit 1
+ enable_on_exec 1
+ exclude_guest 1
+------------------------------------------------------------
+
+ Performance counter stats for 'taskset -c 16 ./triad_loop':
+
+ 233,066,666 cpu_core/cycles/ (0.43%)
+ 604,097,080 cpu_atom/cycles/ (99.57%)
+
+perf-record:
+
+If there is no '-e' specified in perf record, on hybrid platform,
+it creates two default 'cycles' and adds them to event list. One
+is for core, the other is for atom.
+
+perf-stat:
+
+If there is no '-e' specified in perf stat, on hybrid platform,
+besides of software events, following events are created and
+added to event list in order.
+
+cpu_core/cycles/,
+cpu_atom/cycles/,
+cpu_core/instructions/,
+cpu_atom/instructions/,
+cpu_core/branches/,
+cpu_atom/branches/,
+cpu_core/branch-misses/,
+cpu_atom/branch-misses/
+
+Of course, both perf-stat and perf-record support to enable
+hybrid event with a specific pmu.
+
+e.g.
+perf stat -e cpu_core/cycles/
+perf stat -e cpu_atom/cycles/
+perf stat -e cpu_core/r1a/
+perf stat -e cpu_atom/L1-icache-loads/
+perf stat -e cpu_core/cycles/,cpu_atom/instructions/
+perf stat -e '{cpu_core/cycles/,cpu_core/instructions/}'
+
+But '{cpu_core/cycles/,cpu_atom/instructions/}' will return
+warning and disable grouping, because the pmus in group are
+not matched (cpu_core vs. cpu_atom).
diff --git a/tools/perf/Documentation/intel-pt.txt b/tools/perf/Documentation/intel-pt.txt
index b0b3007d3c9c..fd9241a1b987 100644
--- a/tools/perf/Documentation/intel-pt.txt
+++ b/tools/perf/Documentation/intel-pt.txt
@@ -1,817 +1 @@
-Intel Processor Trace
-=====================
-
-Overview
-========
-
-Intel Processor Trace (Intel PT) is an extension of Intel Architecture that
-collects information about software execution such as control flow, execution
-modes and timings and formats it into highly compressed binary packets.
-Technical details are documented in the Intel 64 and IA-32 Architectures
-Software Developer Manuals, Chapter 36 Intel Processor Trace.
-
-Intel PT is first supported in Intel Core M and 5th generation Intel Core
-processors that are based on the Intel micro-architecture code name Broadwell.
-
-Trace data is collected by 'perf record' and stored within the perf.data file.
-See below for options to 'perf record'.
-
-Trace data must be 'decoded' which involves walking the object code and matching
-the trace data packets. For example a TNT packet only tells whether a
-conditional branch was taken or not taken, so to make use of that packet the
-decoder must know precisely which instruction was being executed.
-
-Decoding is done on-the-fly. The decoder outputs samples in the same format as
-samples output by perf hardware events, for example as though the "instructions"
-or "branches" events had been recorded. Presently 3 tools support this:
-'perf script', 'perf report' and 'perf inject'. See below for more information
-on using those tools.
-
-The main distinguishing feature of Intel PT is that the decoder can determine
-the exact flow of software execution. Intel PT can be used to understand why
-and how did software get to a certain point, or behave a certain way. The
-software does not have to be recompiled, so Intel PT works with debug or release
-builds, however the executed images are needed - which makes use in JIT-compiled
-environments, or with self-modified code, a challenge. Also symbols need to be
-provided to make sense of addresses.
-
-A limitation of Intel PT is that it produces huge amounts of trace data
-(hundreds of megabytes per second per core) which takes a long time to decode,
-for example two or three orders of magnitude longer than it took to collect.
-Another limitation is the performance impact of tracing, something that will
-vary depending on the use-case and architecture.
-
-
-Quickstart
-==========
-
-It is important to start small. That is because it is easy to capture vastly
-more data than can possibly be processed.
-
-The simplest thing to do with Intel PT is userspace profiling of small programs.
-Data is captured with 'perf record' e.g. to trace 'ls' userspace-only:
-
- perf record -e intel_pt//u ls
-
-And profiled with 'perf report' e.g.
-
- perf report
-
-To also trace kernel space presents a problem, namely kernel self-modifying
-code. A fairly good kernel image is available in /proc/kcore but to get an
-accurate image a copy of /proc/kcore needs to be made under the same conditions
-as the data capture. A script perf-with-kcore can do that, but beware that the
-script makes use of 'sudo' to copy /proc/kcore. If you have perf installed
-locally from the source tree you can do:
-
- ~/libexec/perf-core/perf-with-kcore record pt_ls -e intel_pt// -- ls
-
-which will create a directory named 'pt_ls' and put the perf.data file and
-copies of /proc/kcore, /proc/kallsyms and /proc/modules into it. Then to use
-'perf report' becomes:
-
- ~/libexec/perf-core/perf-with-kcore report pt_ls
-
-Because samples are synthesized after-the-fact, the sampling period can be
-selected for reporting. e.g. sample every microsecond
-
- ~/libexec/perf-core/perf-with-kcore report pt_ls --itrace=i1usge
-
-See the sections below for more information about the --itrace option.
-
-Beware the smaller the period, the more samples that are produced, and the
-longer it takes to process them.
-
-Also note that the coarseness of Intel PT timing information will start to
-distort the statistical value of the sampling as the sampling period becomes
-smaller.
-
-To represent software control flow, "branches" samples are produced. By default
-a branch sample is synthesized for every single branch. To get an idea what
-data is available you can use the 'perf script' tool with no parameters, which
-will list all the samples.
-
- perf record -e intel_pt//u ls
- perf script
-
-An interesting field that is not printed by default is 'flags' which can be
-displayed as follows:
-
- perf script -Fcomm,tid,pid,time,cpu,event,trace,ip,sym,dso,addr,symoff,flags
-
-The flags are "bcrosyiABEx" which stand for branch, call, return, conditional,
-system, asynchronous, interrupt, transaction abort, trace begin, trace end, and
-in transaction, respectively.
-
-While it is possible to create scripts to analyze the data, an alternative
-approach is available to export the data to a postgresql database. Refer to
-script export-to-postgresql.py for more details, and to script
-call-graph-from-postgresql.py for an example of using the database.
-
-As mentioned above, it is easy to capture too much data. One way to limit the
-data captured is to use 'snapshot' mode which is explained further below.
-Refer to 'new snapshot option' and 'Intel PT modes of operation' further below.
-
-Another problem that will be experienced is decoder errors. They can be caused
-by inability to access the executed image, self-modified or JIT-ed code, or the
-inability to match side-band information (such as context switches and mmaps)
-which results in the decoder not knowing what code was executed.
-
-There is also the problem of perf not being able to copy the data fast enough,
-resulting in data lost because the buffer was full. See 'Buffer handling' below
-for more details.
-
-
-perf record
-===========
-
-new event
----------
-
-The Intel PT kernel driver creates a new PMU for Intel PT. PMU events are
-selected by providing the PMU name followed by the "config" separated by slashes.
-An enhancement has been made to allow default "config" e.g. the option
-
- -e intel_pt//
-
-will use a default config value. Currently that is the same as
-
- -e intel_pt/tsc,noretcomp=0/
-
-which is the same as
-
- -e intel_pt/tsc=1,noretcomp=0/
-
-Note there are now new config terms - see section 'config terms' further below.
-
-The config terms are listed in /sys/devices/intel_pt/format. They are bit
-fields within the config member of the struct perf_event_attr which is
-passed to the kernel by the perf_event_open system call. They correspond to bit
-fields in the IA32_RTIT_CTL MSR. Here is a list of them and their definitions:
-
- $ grep -H . /sys/bus/event_source/devices/intel_pt/format/*
- /sys/bus/event_source/devices/intel_pt/format/cyc:config:1
- /sys/bus/event_source/devices/intel_pt/format/cyc_thresh:config:19-22
- /sys/bus/event_source/devices/intel_pt/format/mtc:config:9
- /sys/bus/event_source/devices/intel_pt/format/mtc_period:config:14-17
- /sys/bus/event_source/devices/intel_pt/format/noretcomp:config:11
- /sys/bus/event_source/devices/intel_pt/format/psb_period:config:24-27
- /sys/bus/event_source/devices/intel_pt/format/tsc:config:10
-
-Note that the default config must be overridden for each term i.e.
-
- -e intel_pt/noretcomp=0/
-
-is the same as:
-
- -e intel_pt/tsc=1,noretcomp=0/
-
-So, to disable TSC packets use:
-
- -e intel_pt/tsc=0/
-
-It is also possible to specify the config value explicitly:
-
- -e intel_pt/config=0x400/
-
-Note that, as with all events, the event is suffixed with event modifiers:
-
- u userspace
- k kernel
- h hypervisor
- G guest
- H host
- p precise ip
-
-'h', 'G' and 'H' are for virtualization which is not supported by Intel PT.
-'p' is also not relevant to Intel PT. So only options 'u' and 'k' are
-meaningful for Intel PT.
-
-perf_event_attr is displayed if the -vv option is used e.g.
-
- ------------------------------------------------------------
- perf_event_attr:
- type 6
- size 112
- config 0x400
- { sample_period, sample_freq } 1
- sample_type IP|TID|TIME|CPU|IDENTIFIER
- read_format ID
- disabled 1
- inherit 1
- exclude_kernel 1
- exclude_hv 1
- enable_on_exec 1
- sample_id_all 1
- ------------------------------------------------------------
- sys_perf_event_open: pid 31104 cpu 0 group_fd -1 flags 0x8
- sys_perf_event_open: pid 31104 cpu 1 group_fd -1 flags 0x8
- sys_perf_event_open: pid 31104 cpu 2 group_fd -1 flags 0x8
- sys_perf_event_open: pid 31104 cpu 3 group_fd -1 flags 0x8
- ------------------------------------------------------------
-
-
-config terms
-------------
-
-The June 2015 version of Intel 64 and IA-32 Architectures Software Developer
-Manuals, Chapter 36 Intel Processor Trace, defined new Intel PT features.
-Some of the features are reflect in new config terms. All the config terms are
-described below.
-
-tsc Always supported. Produces TSC timestamp packets to provide
- timing information. In some cases it is possible to decode
- without timing information, for example a per-thread context
- that does not overlap executable memory maps.
-
- The default config selects tsc (i.e. tsc=1).
-
-noretcomp Always supported. Disables "return compression" so a TIP packet
- is produced when a function returns. Causes more packets to be
- produced but might make decoding more reliable.
-
- The default config does not select noretcomp (i.e. noretcomp=0).
-
-psb_period Allows the frequency of PSB packets to be specified.
-
- The PSB packet is a synchronization packet that provides a
- starting point for decoding or recovery from errors.
-
- Support for psb_period is indicated by:
-
- /sys/bus/event_source/devices/intel_pt/caps/psb_cyc
-
- which contains "1" if the feature is supported and "0"
- otherwise.
-
- Valid values are given by:
-
- /sys/bus/event_source/devices/intel_pt/caps/psb_periods
-
- which contains a hexadecimal value, the bits of which represent
- valid values e.g. bit 2 set means value 2 is valid.
-
- The psb_period value is converted to the approximate number of
- trace bytes between PSB packets as:
-
- 2 ^ (value + 11)
-
- e.g. value 3 means 16KiB bytes between PSBs
-
- If an invalid value is entered, the error message
- will give a list of valid values e.g.
-
- $ perf record -e intel_pt/psb_period=15/u uname
- Invalid psb_period for intel_pt. Valid values are: 0-5
-
- If MTC packets are selected, the default config selects a value
- of 3 (i.e. psb_period=3) or the nearest lower value that is
- supported (0 is always supported). Otherwise the default is 0.
-
- If decoding is expected to be reliable and the buffer is large
- then a large PSB period can be used.
-
- Because a TSC packet is produced with PSB, the PSB period can
- also affect the granularity to timing information in the absence
- of MTC or CYC.
-
-mtc Produces MTC timing packets.
-
- MTC packets provide finer grain timestamp information than TSC
- packets. MTC packets record time using the hardware crystal
- clock (CTC) which is related to TSC packets using a TMA packet.
-
- Support for this feature is indicated by:
-
- /sys/bus/event_source/devices/intel_pt/caps/mtc
-
- which contains "1" if the feature is supported and
- "0" otherwise.
-
- The frequency of MTC packets can also be specified - see
- mtc_period below.
-
-mtc_period Specifies how frequently MTC packets are produced - see mtc
- above for how to determine if MTC packets are supported.
-
- Valid values are given by:
-
- /sys/bus/event_source/devices/intel_pt/caps/mtc_periods
-
- which contains a hexadecimal value, the bits of which represent
- valid values e.g. bit 2 set means value 2 is valid.
-
- The mtc_period value is converted to the MTC frequency as:
-
- CTC-frequency / (2 ^ value)
-
- e.g. value 3 means one eighth of CTC-frequency
-
- Where CTC is the hardware crystal clock, the frequency of which
- can be related to TSC via values provided in cpuid leaf 0x15.
-
- If an invalid value is entered, the error message
- will give a list of valid values e.g.
-
- $ perf record -e intel_pt/mtc_period=15/u uname
- Invalid mtc_period for intel_pt. Valid values are: 0,3,6,9
-
- The default value is 3 or the nearest lower value
- that is supported (0 is always supported).
-
-cyc Produces CYC timing packets.
-
- CYC packets provide even finer grain timestamp information than
- MTC and TSC packets. A CYC packet contains the number of CPU
- cycles since the last CYC packet. Unlike MTC and TSC packets,
- CYC packets are only sent when another packet is also sent.
-
- Support for this feature is indicated by:
-
- /sys/bus/event_source/devices/intel_pt/caps/psb_cyc
-
- which contains "1" if the feature is supported and
- "0" otherwise.
-
- The number of CYC packets produced can be reduced by specifying
- a threshold - see cyc_thresh below.
-
-cyc_thresh Specifies how frequently CYC packets are produced - see cyc
- above for how to determine if CYC packets are supported.
-
- Valid cyc_thresh values are given by:
-
- /sys/bus/event_source/devices/intel_pt/caps/cycle_thresholds
-
- which contains a hexadecimal value, the bits of which represent
- valid values e.g. bit 2 set means value 2 is valid.
-
- The cyc_thresh value represents the minimum number of CPU cycles
- that must have passed before a CYC packet can be sent. The
- number of CPU cycles is:
-
- 2 ^ (value - 1)
-
- e.g. value 4 means 8 CPU cycles must pass before a CYC packet
- can be sent. Note a CYC packet is still only sent when another
- packet is sent, not at, e.g. every 8 CPU cycles.
-
- If an invalid value is entered, the error message
- will give a list of valid values e.g.
-
- $ perf record -e intel_pt/cyc,cyc_thresh=15/u uname
- Invalid cyc_thresh for intel_pt. Valid values are: 0-12
-
- CYC packets are not requested by default.
-
-
-new snapshot option
--------------------
-
-The difference between full trace and snapshot from the kernel's perspective is
-that in full trace we don't overwrite trace data that the user hasn't collected
-yet (and indicated that by advancing aux_tail), whereas in snapshot mode we let
-the trace run and overwrite older data in the buffer so that whenever something
-interesting happens, we can stop it and grab a snapshot of what was going on
-around that interesting moment.
-
-To select snapshot mode a new option has been added:
-
- -S
-
-Optionally it can be followed by the snapshot size e.g.
-
- -S0x100000
-
-The default snapshot size is the auxtrace mmap size. If neither auxtrace mmap size
-nor snapshot size is specified, then the default is 4MiB for privileged users
-(or if /proc/sys/kernel/perf_event_paranoid < 0), 128KiB for unprivileged users.
-If an unprivileged user does not specify mmap pages, the mmap pages will be
-reduced as described in the 'new auxtrace mmap size option' section below.
-
-The snapshot size is displayed if the option -vv is used e.g.
-
- Intel PT snapshot size: %zu
-
-
-new auxtrace mmap size option
----------------------------
-
-Intel PT buffer size is specified by an addition to the -m option e.g.
-
- -m,16
-
-selects a buffer size of 16 pages i.e. 64KiB.
-
-Note that the existing functionality of -m is unchanged. The auxtrace mmap size
-is specified by the optional addition of a comma and the value.
-
-The default auxtrace mmap size for Intel PT is 4MiB/page_size for privileged users
-(or if /proc/sys/kernel/perf_event_paranoid < 0), 128KiB for unprivileged users.
-If an unprivileged user does not specify mmap pages, the mmap pages will be
-reduced from the default 512KiB/page_size to 256KiB/page_size, otherwise the
-user is likely to get an error as they exceed their mlock limit (Max locked
-memory as shown in /proc/self/limits). Note that perf does not count the first
-512KiB (actually /proc/sys/kernel/perf_event_mlock_kb minus 1 page) per cpu
-against the mlock limit so an unprivileged user is allowed 512KiB per cpu plus
-their mlock limit (which defaults to 64KiB but is not multiplied by the number
-of cpus).
-
-In full-trace mode, powers of two are allowed for buffer size, with a minimum
-size of 2 pages. In snapshot mode, it is the same but the minimum size is
-1 page.
-
-The mmap size and auxtrace mmap size are displayed if the -vv option is used e.g.
-
- mmap length 528384
- auxtrace mmap length 4198400
-
-
-Intel PT modes of operation
----------------------------
-
-Intel PT can be used in 2 modes:
- full-trace mode
- snapshot mode
-
-Full-trace mode traces continuously e.g.
-
- perf record -e intel_pt//u uname
-
-Snapshot mode captures the available data when a signal is sent e.g.
-
- perf record -v -e intel_pt//u -S ./loopy 1000000000 &
- [1] 11435
- kill -USR2 11435
- Recording AUX area tracing snapshot
-
-Note that the signal sent is SIGUSR2.
-Note that "Recording AUX area tracing snapshot" is displayed because the -v
-option is used.
-
-The 2 modes cannot be used together.
-
-
-Buffer handling
----------------
-
-There may be buffer limitations (i.e. single ToPa entry) which means that actual
-buffer sizes are limited to powers of 2 up to 4MiB (MAX_ORDER). In order to
-provide other sizes, and in particular an arbitrarily large size, multiple
-buffers are logically concatenated. However an interrupt must be used to switch
-between buffers. That has two potential problems:
- a) the interrupt may not be handled in time so that the current buffer
- becomes full and some trace data is lost.
- b) the interrupts may slow the system and affect the performance
- results.
-
-If trace data is lost, the driver sets 'truncated' in the PERF_RECORD_AUX event
-which the tools report as an error.
-
-In full-trace mode, the driver waits for data to be copied out before allowing
-the (logical) buffer to wrap-around. If data is not copied out quickly enough,
-again 'truncated' is set in the PERF_RECORD_AUX event. If the driver has to
-wait, the intel_pt event gets disabled. Because it is difficult to know when
-that happens, perf tools always re-enable the intel_pt event after copying out
-data.
-
-
-Intel PT and build ids
-----------------------
-
-By default "perf record" post-processes the event stream to find all build ids
-for executables for all addresses sampled. Deliberately, Intel PT is not
-decoded for that purpose (it would take too long). Instead the build ids for
-all executables encountered (due to mmap, comm or task events) are included
-in the perf.data file.
-
-To see buildids included in the perf.data file use the command:
-
- perf buildid-list
-
-If the perf.data file contains Intel PT data, that is the same as:
-
- perf buildid-list --with-hits
-
-
-Snapshot mode and event disabling
----------------------------------
-
-In order to make a snapshot, the intel_pt event is disabled using an IOCTL,
-namely PERF_EVENT_IOC_DISABLE. However doing that can also disable the
-collection of side-band information. In order to prevent that, a dummy
-software event has been introduced that permits tracking events (like mmaps) to
-continue to be recorded while intel_pt is disabled. That is important to ensure
-there is complete side-band information to allow the decoding of subsequent
-snapshots.
-
-A test has been created for that. To find the test:
-
- perf test list
- ...
- 23: Test using a dummy software event to keep tracking
-
-To run the test:
-
- perf test 23
- 23: Test using a dummy software event to keep tracking : Ok
-
-
-perf record modes (nothing new here)
-------------------------------------
-
-perf record essentially operates in one of three modes:
- per thread
- per cpu
- workload only
-
-"per thread" mode is selected by -t or by --per-thread (with -p or -u or just a
-workload).
-"per cpu" is selected by -C or -a.
-"workload only" mode is selected by not using the other options but providing a
-command to run (i.e. the workload).
-
-In per-thread mode an exact list of threads is traced. There is no inheritance.
-Each thread has its own event buffer.
-
-In per-cpu mode all processes (or processes from the selected cgroup i.e. -G
-option, or processes selected with -p or -u) are traced. Each cpu has its own
-buffer. Inheritance is allowed.
-
-In workload-only mode, the workload is traced but with per-cpu buffers.
-Inheritance is allowed. Note that you can now trace a workload in per-thread
-mode by using the --per-thread option.
-
-
-Privileged vs non-privileged users
-----------------------------------
-
-Unless /proc/sys/kernel/perf_event_paranoid is set to -1, unprivileged users
-have memory limits imposed upon them. That affects what buffer sizes they can
-have as outlined above.
-
-The v4.2 kernel introduced support for a context switch metadata event,
-PERF_RECORD_SWITCH, which allows unprivileged users to see when their processes
-are scheduled out and in, just not by whom, which is left for the
-PERF_RECORD_SWITCH_CPU_WIDE, that is only accessible in system wide context,
-which in turn requires CAP_SYS_ADMIN.
-
-Please see the 45ac1403f564 ("perf: Add PERF_RECORD_SWITCH to indicate context
-switches") commit, that introduces these metadata events for further info.
-
-When working with kernels < v4.2, the following considerations must be taken,
-as the sched:sched_switch tracepoints will be used to receive such information:
-
-Unless /proc/sys/kernel/perf_event_paranoid is set to -1, unprivileged users are
-not permitted to use tracepoints which means there is insufficient side-band
-information to decode Intel PT in per-cpu mode, and potentially workload-only
-mode too if the workload creates new processes.
-
-Note also, that to use tracepoints, read-access to debugfs is required. So if
-debugfs is not mounted or the user does not have read-access, it will again not
-be possible to decode Intel PT in per-cpu mode.
-
-
-sched_switch tracepoint
------------------------
-
-The sched_switch tracepoint is used to provide side-band data for Intel PT
-decoding in kernels where the PERF_RECORD_SWITCH metadata event isn't
-available.
-
-The sched_switch events are automatically added. e.g. the second event shown
-below:
-
- $ perf record -vv -e intel_pt//u uname
- ------------------------------------------------------------
- perf_event_attr:
- type 6
- size 112
- config 0x400
- { sample_period, sample_freq } 1
- sample_type IP|TID|TIME|CPU|IDENTIFIER
- read_format ID
- disabled 1
- inherit 1
- exclude_kernel 1
- exclude_hv 1
- enable_on_exec 1
- sample_id_all 1
- ------------------------------------------------------------
- sys_perf_event_open: pid 31104 cpu 0 group_fd -1 flags 0x8
- sys_perf_event_open: pid 31104 cpu 1 group_fd -1 flags 0x8
- sys_perf_event_open: pid 31104 cpu 2 group_fd -1 flags 0x8
- sys_perf_event_open: pid 31104 cpu 3 group_fd -1 flags 0x8
- ------------------------------------------------------------
- perf_event_attr:
- type 2
- size 112
- config 0x108
- { sample_period, sample_freq } 1
- sample_type IP|TID|TIME|CPU|PERIOD|RAW|IDENTIFIER
- read_format ID
- inherit 1
- sample_id_all 1
- exclude_guest 1
- ------------------------------------------------------------
- sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8
- sys_perf_event_open: pid -1 cpu 1 group_fd -1 flags 0x8
- sys_perf_event_open: pid -1 cpu 2 group_fd -1 flags 0x8
- sys_perf_event_open: pid -1 cpu 3 group_fd -1 flags 0x8
- ------------------------------------------------------------
- perf_event_attr:
- type 1
- size 112
- config 0x9
- { sample_period, sample_freq } 1
- sample_type IP|TID|TIME|IDENTIFIER
- read_format ID
- disabled 1
- inherit 1
- exclude_kernel 1
- exclude_hv 1
- mmap 1
- comm 1
- enable_on_exec 1
- task 1
- sample_id_all 1
- mmap2 1
- comm_exec 1
- ------------------------------------------------------------
- sys_perf_event_open: pid 31104 cpu 0 group_fd -1 flags 0x8
- sys_perf_event_open: pid 31104 cpu 1 group_fd -1 flags 0x8
- sys_perf_event_open: pid 31104 cpu 2 group_fd -1 flags 0x8
- sys_perf_event_open: pid 31104 cpu 3 group_fd -1 flags 0x8
- mmap size 528384B
- AUX area mmap length 4194304
- perf event ring buffer mmapped per cpu
- Synthesizing auxtrace information
- Linux
- [ perf record: Woken up 1 times to write data ]
- [ perf record: Captured and wrote 0.042 MB perf.data ]
-
-Note, the sched_switch event is only added if the user is permitted to use it
-and only in per-cpu mode.
-
-Note also, the sched_switch event is only added if TSC packets are requested.
-That is because, in the absence of timing information, the sched_switch events
-cannot be matched against the Intel PT trace.
-
-
-perf script
-===========
-
-By default, perf script will decode trace data found in the perf.data file.
-This can be further controlled by new option --itrace.
-
-
-New --itrace option
--------------------
-
-Having no option is the same as
-
- --itrace
-
-which, in turn, is the same as
-
- --itrace=ibxe
-
-The letters are:
-
- i synthesize "instructions" events
- b synthesize "branches" events
- x synthesize "transactions" events
- c synthesize branches events (calls only)
- r synthesize branches events (returns only)
- e synthesize tracing error events
- d create a debug log
- g synthesize a call chain (use with i or x)
- l synthesize last branch entries (use with i or x)
- s skip initial number of events
-
-"Instructions" events look like they were recorded by "perf record -e
-instructions".
-
-"Branches" events look like they were recorded by "perf record -e branches". "c"
-and "r" can be combined to get calls and returns.
-
-"Transactions" events correspond to the start or end of transactions. The
-'flags' field can be used in perf script to determine whether the event is a
-tranasaction start, commit or abort.
-
-Error events are new. They show where the decoder lost the trace. Error events
-are quite important. Users must know if what they are seeing is a complete
-picture or not.
-
-The "d" option will cause the creation of a file "intel_pt.log" containing all
-decoded packets and instructions. Note that this option slows down the decoder
-and that the resulting file may be very large.
-
-In addition, the period of the "instructions" event can be specified. e.g.
-
- --itrace=i10us
-
-sets the period to 10us i.e. one instruction sample is synthesized for each 10
-microseconds of trace. Alternatives to "us" are "ms" (milliseconds),
-"ns" (nanoseconds), "t" (TSC ticks) or "i" (instructions).
-
-"ms", "us" and "ns" are converted to TSC ticks.
-
-The timing information included with Intel PT does not give the time of every
-instruction. Consequently, for the purpose of sampling, the decoder estimates
-the time since the last timing packet based on 1 tick per instruction. The time
-on the sample is *not* adjusted and reflects the last known value of TSC.
-
-For Intel PT, the default period is 100us.
-
-Setting it to a zero period means "as often as possible".
-
-In the case of Intel PT that is the same as a period of 1 and a unit of
-'instructions' (i.e. --itrace=i1i).
-
-Also the call chain size (default 16, max. 1024) for instructions or
-transactions events can be specified. e.g.
-
- --itrace=ig32
- --itrace=xg32
-
-Also the number of last branch entries (default 64, max. 1024) for instructions or
-transactions events can be specified. e.g.
-
- --itrace=il10
- --itrace=xl10
-
-Note that last branch entries are cleared for each sample, so there is no overlap
-from one sample to the next.
-
-To disable trace decoding entirely, use the option --no-itrace.
-
-It is also possible to skip events generated (instructions, branches, transactions)
-at the beginning. This is useful to ignore initialization code.
-
- --itrace=i0nss1000000
-
-skips the first million instructions.
-
-dump option
------------
-
-perf script has an option (-D) to "dump" the events i.e. display the binary
-data.
-
-When -D is used, Intel PT packets are displayed. The packet decoder does not
-pay attention to PSB packets, but just decodes the bytes - so the packets seen
-by the actual decoder may not be identical in places where the data is corrupt.
-One example of that would be when the buffer-switching interrupt has been too
-slow, and the buffer has been filled completely. In that case, the last packet
-in the buffer might be truncated and immediately followed by a PSB as the trace
-continues in the next buffer.
-
-To disable the display of Intel PT packets, combine the -D option with
---no-itrace.
-
-
-perf report
-===========
-
-By default, perf report will decode trace data found in the perf.data file.
-This can be further controlled by new option --itrace exactly the same as
-perf script, with the exception that the default is --itrace=igxe.
-
-
-perf inject
-===========
-
-perf inject also accepts the --itrace option in which case tracing data is
-removed and replaced with the synthesized events. e.g.
-
- perf inject --itrace -i perf.data -o perf.data.new
-
-Below is an example of using Intel PT with autofdo. It requires autofdo
-(https://github.com/google/autofdo) and gcc version 5. The bubble
-sort example is from the AutoFDO tutorial (https://gcc.gnu.org/wiki/AutoFDO/Tutorial)
-amended to take the number of elements as a parameter.
-
- $ gcc-5 -O3 sort.c -o sort_optimized
- $ ./sort_optimized 30000
- Bubble sorting array of 30000 elements
- 2254 ms
-
- $ cat ~/.perfconfig
- [intel-pt]
- mispred-all
-
- $ perf record -e intel_pt//u ./sort 3000
- Bubble sorting array of 3000 elements
- 58 ms
- [ perf record: Woken up 2 times to write data ]
- [ perf record: Captured and wrote 3.939 MB perf.data ]
- $ perf inject -i perf.data -o inj --itrace=i100usle --strip
- $ ./create_gcov --binary=./sort --profile=inj --gcov=sort.gcov -gcov_version=1
- $ gcc-5 -O3 -fauto-profile=sort.gcov sort.c -o sort_autofdo
- $ ./sort_autofdo 30000
- Bubble sorting array of 30000 elements
- 2155 ms
-
-Note there is currently no advantage to using Intel PT instead of LBR, but
-that may change in the future if greater use is made of the data.
+Documentation for support for Intel Processor Trace within perf tools' has moved to file perf-intel-pt.txt
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index e2a4c5e0dbe5..40476b227f8d 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -1,18 +1,37 @@
i synthesize instructions events
+ y synthesize cycles events
b synthesize branches events
c synthesize branches events (calls only)
r synthesize branches events (returns only)
x synthesize transactions events
+ w synthesize ptwrite events
+ p synthesize power events (incl. PSB events for Intel PT)
+ o synthesize other events recorded due to the use
+ of aux-output (refer to perf record)
+ I synthesize interrupt or similar (asynchronous) events
+ (e.g. Intel PT Event Trace)
e synthesize error events
d create a debug log
+ f synthesize first level cache events
+ m synthesize last level cache events
+ M synthesize memory events
+ t synthesize TLB events
+ a synthesize remote access events
g synthesize a call chain (use with i or x)
+ G synthesize a call chain on existing event records
l synthesize last branch entries (use with i or x)
+ L synthesize last branch entries on existing event records
s skip initial number of events
+ q quicker (less detailed) decoding
+ A approximate IPC
+ Z prefer to ignore timestamps (so-called "timeless" decoding)
+ T use the timestamp trace as kernel time
- The default is all events i.e. the same as --itrace=ibxe
+ The default is all events i.e. the same as --itrace=iybxwpe,
+ except for perf script where it is --itrace=ce
- In addition, the period (default 100000) for instructions events
- can be specified in units of:
+ In addition, the period (default 100000, except for perf script where it is 1)
+ for instructions events can be specified in units of:
i instructions
t ticks
@@ -26,9 +45,28 @@
Also the number of last branch entries (default 64, max. 1024) for
instructions or transactions events can be specified.
- It is also possible to skip events generated (instructions, branches, transactions)
- at the beginning. This is useful to ignore initialization code.
+ Similar to options g and l, size may also be specified for options G and L.
+ On x86, note that G and L work poorly when data has been recorded with
+ large PEBS. Refer linkperf:perf-intel-pt[1] man page for details.
+
+ It is also possible to skip events generated (instructions, branches, transactions,
+ ptwrite, power) at the beginning. This is useful to ignore initialization code.
--itrace=i0nss1000000
skips the first million instructions.
+
+ The 'e' option may be followed by flags which affect what errors will or
+ will not be reported. Each flag must be preceded by either '+' or '-'.
+ The flags are:
+ o overflow
+ l trace data lost
+
+ If supported, the 'd' option may be followed by flags which affect what
+ debug messages will or will not be logged. Each flag must be preceded
+ by either '+' or '-'. The flags are:
+ a all perf events
+ e output only on errors (size configurable - see linkperf:perf-config[1])
+ o output to stdout
+
+ If supported, the 'q' option may be repeated to increase the effect.
diff --git a/tools/perf/Documentation/jitdump-specification.txt b/tools/perf/Documentation/jitdump-specification.txt
index 4c62b0713651..79936355d819 100644
--- a/tools/perf/Documentation/jitdump-specification.txt
+++ b/tools/perf/Documentation/jitdump-specification.txt
@@ -36,8 +36,8 @@ III/ Jitdump file header format
Each jitdump file starts with a fixed size header containing the following fields in order:
-* uint32_t magic : a magic number tagging the file type. The value is 4-byte long and represents the string "JiTD" in ASCII form. It is 0x4A695444 or 0x4454694a depending on the endianness. The field can be used to detect the endianness of the file
-* uint32_t version : a 4-byte value representing the format version. It is currently set to 2
+* uint32_t magic : a magic number tagging the file type. The value is 4-byte long and represents the string "JiTD" in ASCII form. It written is as 0x4A695444. The reader will detect an endian mismatch when it reads 0x4454694a.
+* uint32_t version : a 4-byte value representing the format version. It is currently set to 1
* uint32_t total_size: size in bytes of file header
* uint32_t elf_mach : ELF architecture encoding (ELF e_machine value as specified in /usr/include/elf.h)
* uint32_t pad1 : padding. Reserved for future use
@@ -164,7 +164,7 @@ const char unwinding_data[n]: an array of unwinding data, consisting of the EH F
The EH Frame header follows the Linux Standard Base (LSB) specification as described in the document at https://refspecs.linuxfoundation.org/LSB_1.3.0/gLSB/gLSB/ehframehdr.html
-The EH Frame follows the LSB specicfication as described in the document at https://refspecs.linuxbase.org/LSB_3.0.0/LSB-PDA/LSB-PDA/ehframechpt.html
+The EH Frame follows the LSB specification as described in the document at https://refspecs.linuxbase.org/LSB_3.0.0/LSB-PDA/LSB-PDA/ehframechpt.html
NOTE: The mapped_size is generally either the same as unwind_data_size (if the unwinding data was mapped in memory by the running process) or zero (if the unwinding data is not mapped by the process). If the unwinding data was not mapped, then only the EH Frame Header will be read, which can be used to specify FP based unwinding for a function which does not have unwinding information.
diff --git a/tools/perf/Documentation/perf-amd-ibs.txt b/tools/perf/Documentation/perf-amd-ibs.txt
new file mode 100644
index 000000000000..548549935760
--- /dev/null
+++ b/tools/perf/Documentation/perf-amd-ibs.txt
@@ -0,0 +1,223 @@
+perf-amd-ibs(1)
+===============
+
+NAME
+----
+perf-amd-ibs - Support for AMD Instruction-Based Sampling (IBS) with perf tool
+
+SYNOPSIS
+--------
+[verse]
+'perf record' -e ibs_op//
+'perf record' -e ibs_fetch//
+
+DESCRIPTION
+-----------
+
+Instruction-Based Sampling (IBS) provides precise Instruction Pointer (IP)
+profiling support on AMD platforms. IBS has two independent components: IBS
+Op and IBS Fetch. IBS Op sampling provides information about instruction
+execution (micro-op execution to be precise) with details like d-cache
+hit/miss, d-TLB hit/miss, cache miss latency, load/store data source, branch
+behavior etc. IBS Fetch sampling provides information about instruction fetch
+with details like i-cache hit/miss, i-TLB hit/miss, fetch latency etc. IBS is
+per-smt-thread i.e. each SMT hardware thread contains standalone IBS units.
+
+Both, IBS Op and IBS Fetch, are exposed as PMUs by Linux and can be exploited
+using the Linux perf utility. The following files will be created at boot time
+if IBS is supported by the hardware and kernel.
+
+ /sys/bus/event_source/devices/ibs_op/
+ /sys/bus/event_source/devices/ibs_fetch/
+
+IBS Op PMU supports two events: cycles and micro ops. IBS Fetch PMU supports
+one event: fetch ops.
+
+IBS PMUs do not have user/kernel filtering capability and thus it requires
+CAP_SYS_ADMIN or CAP_PERFMON privilege.
+
+IBS VS. REGULAR CORE PMU
+------------------------
+
+IBS gives samples with precise IP, i.e. the IP recorded with IBS sample has
+no skid. Whereas the IP recorded by regular core PMU will have some skid
+(sample was generated at IP X but perf would record it at IP X+n). Hence,
+regular core PMU might not help for profiling with instruction level
+precision. Further, IBS provides additional information about the sample in
+question. On the other hand, regular core PMU has it's own advantages like
+plethora of events, counting mode (less interference), up to 6 parallel
+counters, event grouping support, filtering capabilities etc.
+
+Three regular core PMU events are internally forwarded to IBS Op PMU when
+precise_ip attribute is set:
+
+ -e cpu-cycles:p becomes -e ibs_op//
+ -e r076:p becomes -e ibs_op//
+ -e r0C1:p becomes -e ibs_op/cnt_ctl=1/
+
+EXAMPLES
+--------
+
+IBS Op PMU
+~~~~~~~~~~
+
+System-wide profile, cycles event, sampling period: 100000
+
+ # perf record -e ibs_op// -c 100000 -a
+
+Per-cpu profile (cpu10), cycles event, sampling period: 100000
+
+ # perf record -e ibs_op// -c 100000 -C 10
+
+Per-cpu profile (cpu10), cycles event, sampling freq: 1000
+
+ # perf record -e ibs_op// -F 1000 -C 10
+
+System-wide profile, uOps event, sampling period: 100000
+
+ # perf record -e ibs_op/cnt_ctl=1/ -c 100000 -a
+
+Same command, but also capture IBS register raw dump along with perf sample:
+
+ # perf record -e ibs_op/cnt_ctl=1/ -c 100000 -a --raw-samples
+
+System-wide profile, uOps event, sampling period: 100000, L3MissOnly (Zen4 onward)
+
+ # perf record -e ibs_op/cnt_ctl=1,l3missonly=1/ -c 100000 -a
+
+System-wide profile, cycles event, sampling period: 100000, LdLat filtering (Zen5
+onward)
+
+ # perf record -e ibs_op/ldlat=128/ -c 100000 -a
+
+ Supported load latency threshold values are 128 to 2048 (both inclusive).
+ Latency value which is a multiple of 128 incurs a little less profiling
+ overhead compared to other values.
+
+Per process(upstream v6.2 onward), uOps event, sampling period: 100000
+
+ # perf record -e ibs_op/cnt_ctl=1/ -c 100000 -p 1234
+
+Per process(upstream v6.2 onward), uOps event, sampling period: 100000
+
+ # perf record -e ibs_op/cnt_ctl=1/ -c 100000 -- ls
+
+To analyse recorded profile in aggregate mode
+
+ # perf report
+ /* Select a line and press 'a' to drill down at instruction level. */
+
+To go over each sample
+
+ # perf script
+
+Raw dump of IBS registers when profiled with --raw-samples
+
+ # perf report -D
+ /* Look for PERF_RECORD_SAMPLE */
+
+ Example register raw dump:
+
+ ibs_op_ctl: 000002c30006186a MaxCnt 100000 L3MissOnly 0 En 1
+ Val 1 CntCtl 0=cycles CurCnt 707
+ IbsOpRip: ffffffff8204aea7
+ ibs_op_data: 0000010002550001 CompToRetCtr 1 TagToRetCtr 597
+ BrnRet 0 RipInvalid 0 BrnFuse 0 Microcode 1
+ ibs_op_data2: 0000000000000013 RmtNode 1 DataSrc 3=DRAM
+ ibs_op_data3: 0000000031960092 LdOp 0 StOp 1 DcL1TlbMiss 0
+ DcL2TlbMiss 0 DcL1TlbHit2M 1 DcL1TlbHit1G 0 DcL2TlbHit2M 0
+ DcMiss 1 DcMisAcc 0 DcWcMemAcc 0 DcUcMemAcc 0 DcLockedOp 0
+ DcMissNoMabAlloc 0 DcLinAddrValid 1 DcPhyAddrValid 1
+ DcL2TlbHit1G 0 L2Miss 1 SwPf 0 OpMemWidth 32 bytes
+ OpDcMissOpenMemReqs 12 DcMissLat 0 TlbRefillLat 0
+ IbsDCLinAd: ff110008a5398920
+ IbsDCPhysAd: 00000008a5398920
+
+IBS applied in a real world usecase
+
+ ~90% regression was observed in tbench with specific scheduler hint
+ which was counter intuitive. IBS profile of good and bad run captured
+ using perf helped in identifying exact cause of the problem:
+
+ https://lore.kernel.org/r/20220921063638.2489-1-kprateek.nayak@amd.com
+
+IBS Fetch PMU
+~~~~~~~~~~~~~
+
+Similar commands can be used with Fetch PMU as well.
+
+System-wide profile, fetch ops event, sampling period: 100000
+
+ # perf record -e ibs_fetch// -c 100000 -a
+
+System-wide profile, fetch ops event, sampling period: 100000, Random enable
+
+ # perf record -e ibs_fetch/rand_en=1/ -c 100000 -a
+
+ Random enable adds small degree of variability to sample period. This
+ helps in cases like long running loops where PMU is tagging the same
+ instruction over and over because of fixed sample period.
+
+etc.
+
+PERF MEM AND PERF C2C
+---------------------
+
+perf mem is a memory access profiler tool and perf c2c is a shared data
+cacheline analyser tool. Both of them internally uses IBS Op PMU on AMD.
+Below is a simple example of the perf mem tool.
+
+ # perf mem record -c 100000 -- make
+ # perf mem report
+
+A normal perf mem report output will provide detailed memory access profile.
+New output fields will show related access info together. For example:
+
+ # perf mem report -F overhead,cache,snoop,comm
+ ...
+ # Samples: 92K of event 'ibs_op//'
+ # Total weight : 531104
+ #
+ # ---------- Cache ----------- --- Snoop ----
+ # Overhead L1 L2 L1-buf Other HitM Other Command
+ # ........ ............................ .............. ..........
+ #
+ 76.07% 5.8% 35.7% 0.0% 34.6% 23.3% 52.8% cc1
+ 5.79% 0.2% 0.0% 0.0% 5.6% 0.1% 5.7% make
+ 5.78% 0.1% 4.4% 0.0% 1.2% 0.5% 5.3% gcc
+ 5.33% 0.3% 3.9% 0.0% 1.1% 0.2% 5.2% as
+ 5.00% 0.1% 3.8% 0.0% 1.0% 0.3% 4.7% sh
+ 1.56% 0.1% 0.1% 0.0% 1.4% 0.6% 0.9% ld
+ 0.28% 0.1% 0.0% 0.0% 0.2% 0.1% 0.2% pkg-config
+ 0.09% 0.0% 0.0% 0.0% 0.1% 0.0% 0.1% git
+ 0.03% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% rm
+ ...
+
+Also, it can be aggregated based on various memory access info using the
+sort keys. For example:
+
+ # perf mem report -s mem,snoop
+ ...
+ # Samples: 92K of event 'ibs_op//'
+ # Total weight : 531104
+ # Sort order : mem,snoop
+ #
+ # Overhead Samples Memory access Snoop
+ # ........ ............ ....................................... ............
+ #
+ 47.99% 1509 L2 hit N/A
+ 25.08% 338 core, same node Any cache hit HitM
+ 10.24% 54374 N/A N/A
+ 6.77% 35938 L1 hit N/A
+ 6.39% 101 core, same node Any cache hit N/A
+ 3.50% 69 RAM hit N/A
+ 0.03% 158 LFB/MAB hit N/A
+ 0.00% 2 Uncached hit N/A
+
+Please refer to their man page for more detail.
+
+SEE ALSO
+--------
+
+linkperf:perf-record[1], linkperf:perf-script[1], linkperf:perf-report[1],
+linkperf:perf-mem[1], linkperf:perf-c2c[1]
diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index a89273d8e744..547f1a268018 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -21,7 +21,7 @@ If there is no debug info in the object, then annotated assembly is displayed.
OPTIONS
-------
-i::
---input=::
+--input=<file>::
Input file name. (default: perf.data unless stdin is a fifo)
-d::
@@ -41,7 +41,11 @@ OPTIONS
-q::
--quiet::
- Do not show any message. (Suppress -v)
+ Do not show any warnings or messages. (Suppress -v)
+
+-n::
+--show-nr-samples::
+ Show the number of samples for each symbol
-D::
--dump-raw-trace::
@@ -51,6 +55,16 @@ OPTIONS
--vmlinux=<file>::
vmlinux pathname.
+--ignore-vmlinux::
+ Ignore vmlinux files.
+
+--itrace::
+ Options for decoding instruction tracing data. The options are:
+
+include::itrace.txt[]
+
+ To disable decoding entirely, use --no-itrace.
+
-m::
--modules::
Load module symbols. WARNING: use only with -k and LIVE kernel.
@@ -65,7 +79,9 @@ OPTIONS
--stdio:: Use the stdio interface.
---stdio-color::
+--stdio2:: Use the stdio2 interface, non-interactive, uses the TUI formatting.
+
+--stdio-color=<mode>::
'always', 'never' or 'auto', allowing configuring color output
via the command line, in addition to via "color.ui" .perfconfig.
Use '--stdio-color always' to generate color even when redirecting
@@ -80,7 +96,7 @@ OPTIONS
--gtk:: Use the GTK interface.
-C::
---cpu:: Only report samples for the list of CPUs provided. Multiple CPUs can
+--cpu=<cpu>:: Only report samples for the list of CPUs provided. Multiple CPUs can
be provided as a comma-separated list with no space: 0,1. Ranges of
CPUs are specified with -: 0-2. Default is to report samples on all
CPUs.
@@ -88,6 +104,8 @@ OPTIONS
--asm-raw::
Show raw instruction encoding of assembly instructions.
+--show-total-period:: Show a column with the sum of periods.
+
--source::
Interleave source code with assembly code. Enabled by default,
disable with --no-source.
@@ -98,15 +116,62 @@ OPTIONS
-M::
--disassembler-style=:: Set disassembler style for objdump.
+--addr2line=<path>::
+ Path to addr2line binary.
+
--objdump=<path>::
Path to objdump binary.
+--prefix=PREFIX::
+--prefix-strip=N::
+ Remove first N entries from source file path names in executables
+ and add PREFIX. This allows to display source code compiled on systems
+ with different file system layout.
+
--skip-missing::
Skip symbols that cannot be annotated.
--group::
Show event group information together
+--demangle::
+ Demangle symbol names to human readable form. It's enabled by default,
+ disable with --no-demangle.
+
+--demangle-kernel::
+ Demangle kernel symbol names to human readable form (for C++ kernels).
+
+--percent-type::
+ Set annotation percent type from following choices:
+ global-period, local-period, global-hits, local-hits
+
+ The local/global keywords set if the percentage is computed
+ in the scope of the function (local) or the whole data (global).
+ The period/hits keywords set the base the percentage is computed
+ on - the samples period or the number of samples (hits).
+
+--percent-limit::
+ Do not show functions which have an overhead under that percent on
+ stdio or stdio2 (Default: 0). Note that this is about selection of
+ functions to display, not about lines within the function.
+
+--data-type[=TYPE_NAME]::
+ Display data type annotation instead of code. It infers data type of
+ samples (if they are memory accessing instructions) using DWARF debug
+ information. It can take an optional argument of data type name. In
+ that case it'd show annotation for the type only, otherwise it'd show
+ all data types it finds.
+
+--type-stat::
+ Show stats for the data type annotation.
+
+--skip-empty::
+ Do not display empty (or dummy) events.
+
+--code-with-type::
+ Show data type info in code annotation (for memory instructions only).
+
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1]
diff --git a/tools/perf/Documentation/perf-arm-spe.txt b/tools/perf/Documentation/perf-arm-spe.txt
new file mode 100644
index 000000000000..8b02e5b983fa
--- /dev/null
+++ b/tools/perf/Documentation/perf-arm-spe.txt
@@ -0,0 +1,346 @@
+perf-arm-spe(1)
+================
+
+NAME
+----
+perf-arm-spe - Support for Arm Statistical Profiling Extension within Perf tools
+
+SYNOPSIS
+--------
+[verse]
+'perf record' -e arm_spe//
+
+DESCRIPTION
+-----------
+
+The SPE (Statistical Profiling Extension) feature provides accurate attribution of latencies and
+ events down to individual instructions. Rather than being interrupt-driven, it picks an
+instruction to sample and then captures data for it during execution. Data includes execution time
+in cycles. For loads and stores it also includes data address, cache miss events, and data origin.
+
+The sampling has 5 stages:
+
+ 1. Choose an operation
+ 2. Collect data about the operation
+ 3. Optionally discard the record based on a filter
+ 4. Write the record to memory
+ 5. Interrupt when the buffer is full
+
+Choose an operation
+~~~~~~~~~~~~~~~~~~~
+
+This is chosen from a sample population, for SPE this is an IMPLEMENTATION DEFINED choice of all
+architectural instructions or all micro-ops. Sampling happens at a programmable interval. The
+architecture provides a mechanism for the SPE driver to infer the minimum interval at which it should
+sample. This minimum interval is used by the driver if no interval is specified. A pseudo-random
+perturbation is also added to the sampling interval by default.
+
+Collect data about the operation
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Program counter, PMU events, timings and data addresses related to the operation are recorded.
+Sampling ensures there is only one sampled operation is in flight.
+
+Optionally discard the record based on a filter
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Based on programmable criteria, choose whether to keep the record or discard it. If the record is
+discarded then the flow stops here for this sample.
+
+Write the record to memory
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The record is appended to a memory buffer
+
+Interrupt when the buffer is full
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+When the buffer fills, an interrupt is sent and the driver signals Perf to collect the records.
+Perf saves the raw data in the perf.data file.
+
+Opening the file
+----------------
+
+Up until this point no decoding of the SPE data was done by either the kernel or Perf. Only when the
+recorded file is opened with 'perf report' or 'perf script' does the decoding happen. When decoding
+the data, Perf generates "synthetic samples" as if these were generated at the time of the
+recording. These samples are the same as if normal sampling was done by Perf without using SPE,
+although they may have more attributes associated with them. For example a normal sample may have
+just the instruction pointer, but an SPE sample can have data addresses and latency attributes.
+
+Why Sampling?
+-------------
+
+ - Sampling, rather than tracing, cuts down the profiling problem to something more manageable for
+ hardware. Only one sampled operation is in flight at a time.
+
+ - Allows precise attribution data, including: Full PC of instruction, data virtual and physical
+ addresses.
+
+ - Allows correlation between an instruction and events, such as TLB and cache miss. (Data source
+ indicates which particular cache was hit, but the meaning is implementation defined because
+ different implementations can have different cache configurations.)
+
+However, SPE does not provide any call-graph information, and relies on statistical methods.
+
+Collisions
+----------
+
+When an operation is sampled while a previous sampled operation has not finished, a collision
+occurs. The new sample is dropped. Collisions affect the integrity of the data, so the sample rate
+should be set to avoid collisions.
+
+The 'sample_collision' PMU event can be used to determine the number of lost samples. Although this
+count is based on collisions _before_ filtering occurs. Therefore this can not be used as an exact
+number for samples dropped that would have made it through the filter, but can be a rough
+guide.
+
+The effect of microarchitectural sampling
+-----------------------------------------
+
+If an implementation samples micro-operations instead of instructions, the results of sampling must
+be weighted accordingly.
+
+For example, if a given instruction A is always converted into two micro-operations, A0 and A1, it
+becomes twice as likely to appear in the sample population.
+
+The coarse effect of conversions, and, if applicable, sampling of speculative operations, can be
+estimated from the 'sample_pop' and 'inst_retired' PMU events.
+
+Kernel Requirements
+-------------------
+
+The ARM_SPE_PMU config must be set to build as either a module or statically.
+
+Depending on CPU model, the kernel may need to be booted with page table isolation disabled
+(kpti=off). If KPTI needs to be disabled, this will fail with a console message "profiling buffer
+inaccessible. Try passing 'kpti=off' on the kernel command line".
+
+For the full criteria that determine whether KPTI needs to be forced off or not, see function
+unmap_kernel_at_el0() in the kernel sources. Common cases where it's not required
+are on the CPUs in kpti_safe_list, or on Arm v8.5+ where FEAT_E0PD is mandatory.
+
+The SPE interrupt must also be described by the firmware. If the module is loaded and KPTI is
+disabled (or isn't required to be disabled) but the SPE PMU still doesn't show in
+/sys/bus/event_source/devices/, then it's possible that the SPE interrupt isn't described by
+ACPI or DT. In this case no warning will be printed by the driver.
+
+Capturing SPE with perf command-line tools
+------------------------------------------
+
+You can record a session with SPE samples:
+
+ perf record -e arm_spe// -- ./mybench
+
+The sample period is set from the -c option, and because the minimum interval is used by default
+it's recommended to set this to a higher value. The value is written to PMSIRR.INTERVAL.
+
+Config parameters
+~~~~~~~~~~~~~~~~~
+
+These are placed between the // in the event and comma separated. For example '-e
+arm_spe/load_filter=1,min_latency=10/'
+
+ event_filter=<mask> - logical AND filter on specific events (PMSEVFR) - see bitfield description below
+ inv_event_filter=<mask> - logical OR to filter out specific events (PMSNEVFR, FEAT_SPEv1p2) - see bitfield description below
+ jitter=1 - use jitter to avoid resonance when sampling (PMSIRR.RND)
+ min_latency=<n> - collect only samples with this latency or higher* (PMSLATFR)
+ pa_enable=1 - collect physical address (as well as VA) of loads/stores (PMSCR.PA) - requires privilege
+ pct_enable=1 - collect physical timestamp instead of virtual timestamp (PMSCR.PCT) - requires privilege
+ ts_enable=1 - enable timestamping with value of generic timer (PMSCR.TS)
+ discard=1 - enable SPE PMU events but don't collect sample data - see 'Discard mode' (PMBLIMITR.FM = DISCARD)
+ inv_data_src_filter=<mask> - mask to filter from 0-63 possible data sources (PMSDSFR, FEAT_SPE_FDS) - See 'Data source filtering'
+
++++*+++ Latency is the total latency from the point at which sampling started on that instruction, rather
+than only the execution latency.
+
+Only some events can be filtered on using 'event_filter' bits. The overall
+filter is the logical AND of these bits, for example if bits 3 and 5 are set
+only samples that have both 'L1D cache refill' AND 'TLB walk' are recorded. When
+FEAT_SPEv1p2 is implemented 'inv_event_filter' can also be used to exclude
+events that have any (OR) of the filter's bits set. For example setting bits 3
+and 5 in 'inv_event_filter' will exclude any events that are either L1D cache
+refill OR TLB walk. If the same bit is set in both filters it's UNPREDICTABLE
+whether the sample is included or excluded. Filter bits for both event_filter
+and inv_event_filter are:
+
+ bit 1 - Instruction retired (i.e. omit speculative instructions)
+ bit 2 - L1D access (FEAT_SPEv1p4)
+ bit 3 - L1D refill
+ bit 4 - TLB access (FEAT_SPEv1p4)
+ bit 5 - TLB refill
+ bit 6 - Not taken event (FEAT_SPEv1p2)
+ bit 7 - Mispredict
+ bit 8 - Last level cache access (FEAT_SPEv1p4)
+ bit 9 - Last level cache miss (FEAT_SPEv1p4)
+ bit 10 - Remote access (FEAT_SPEv1p4)
+ bit 11 - Misaligned access (FEAT_SPEv1p1)
+ bit 12-15 - IMPLEMENTATION DEFINED events (when implemented)
+ bit 16 - Transaction (FEAT_TME)
+ bit 17 - Partial or empty SME or SVE predicate (FEAT_SPEv1p1)
+ bit 18 - Empty SME or SVE predicate (FEAT_SPEv1p1)
+ bit 19 - L2D access (FEAT_SPEv1p4)
+ bit 20 - L2D miss (FEAT_SPEv1p4)
+ bit 21 - Cache data modified (FEAT_SPEv1p4)
+ bit 22 - Recently fetched (FEAT_SPEv1p4)
+ bit 23 - Data snooped (FEAT_SPEv1p4)
+ bit 24 - Streaming SVE mode event (when FEAT_SPE_SME is implemented), or
+ IMPLEMENTATION DEFINED event 24 (when implemented, only versions
+ less than FEAT_SPEv1p4)
+ bit 25 - SMCU or external coprocessor operation event when FEAT_SPE_SME is
+ implemented, or IMPLEMENTATION DEFINED event 25 (when implemented,
+ only versions less than FEAT_SPEv1p4)
+ bit 26-31 - IMPLEMENTATION DEFINED events (only versions less than FEAT_SPEv1p4)
+ bit 48-63 - IMPLEMENTATION DEFINED events (when implemented)
+
+For IMPLEMENTATION DEFINED bits, refer to the CPU TRM if these bits are
+implemented.
+
+The driver will reject events if requested filter bits require unimplemented SPE
+versions, but will not reject filter bits for unimplemented IMPDEF bits or when
+their related feature is not present (e.g. SME). For example, if FEAT_SPEv1p2 is
+not implemented, filtering on "Not taken event" (bit 6) will be rejected.
+
+So to sample just retired instructions:
+
+ perf record -e arm_spe/event_filter=2/ -- ./mybench
+
+or just mispredicted branches:
+
+ perf record -e arm_spe/event_filter=0x80/ -- ./mybench
+
+When set, the following filters can be used to select samples that match any of
+the operation types (OR filtering). If only one is set then only samples of that
+type are collected:
+
+ branch_filter=1 - Collect branches (PMSFCR.B)
+ load_filter=1 - Collect loads (PMSFCR.LD)
+ store_filter=1 - Collect stores (PMSFCR.ST)
+
+When extended filtering is supported (FEAT_SPE_EFT), SIMD and float
+pointer operations can also be selected:
+
+ simd_filter=1 - Collect SIMD loads, stores and operations (PMSFCR.SIMD)
+ float_filter=1 - Collect floating point loads, stores and operations (PMSFCR.FP)
+
+When extended filtering is supported (FEAT_SPE_EFT), operation type filters can
+be changed to AND using _mask fields. For example samples could be selected if
+they are store AND SIMD by setting 'store_filter=1,simd_filter=1,
+store_filter_mask=1,simd_filter_mask=1'. The new masks are as follows:
+
+ branch_filter_mask=1 - Change branch filter behavior from OR to AND (PMSFCR.Bm)
+ load_filter_mask=1 - Change load filter behavior from OR to AND (PMSFCR.LDm)
+ store_filter_mask=1 - Change store filter behavior from OR to AND (PMSFCR.STm)
+ simd_filter_mask=1 - Change SIMD filter behavior from OR to AND (PMSFCR.SIMDm)
+ float_filter_mask=1 - Change floating point filter behavior from OR to AND (PMSFCR.FPm)
+
+Viewing the data
+~~~~~~~~~~~~~~~~~
+
+By default perf report and perf script will assign samples to separate groups depending on the
+attributes/events of the SPE record. Because instructions can have multiple events associated with
+them, the samples in these groups are not necessarily unique. For example perf report shows these
+groups:
+
+ Available samples
+ 0 arm_spe//
+ 0 dummy:u
+ 21 l1d-miss
+ 897 l1d-access
+ 5 llc-miss
+ 7 llc-access
+ 2 tlb-miss
+ 1K tlb-access
+ 36 branch
+ 0 remote-access
+ 900 memory
+ 1800 instructions
+
+The arm_spe// and dummy:u events are implementation details and are expected to be empty.
+
+The instructions group contains the full list of unique samples that are not
+sorted into other groups. To generate only this group use --itrace=i1i.
+
+1i (1 instruction interval) signifies no further downsampling. Rather than an
+instruction interval, this generates a sample every n SPE samples. For example
+to generate the default set of events for every 100 SPE samples:
+
+ perf report --itrace==bxofmtMai100i
+
+Other period types, for example nanoseconds (ns) are not currently supported.
+
+Memory access details are also stored on the samples and this can be viewed with:
+
+ perf report --mem-mode
+
+The latency value from the SPE sample is stored in the 'weight' field of the
+Perf samples and can be displayed in Perf script and report outputs by enabling
+its display from the command line.
+
+Common errors
+~~~~~~~~~~~~~
+
+ - "Cannot find PMU `arm_spe'. Missing kernel support?"
+
+ Module not built or loaded, KPTI not disabled, interrupt not described by firmware,
+ or running on a VM. See 'Kernel Requirements' above.
+
+ - "Arm SPE CONTEXT packets not found in the traces."
+
+ Root privilege is required to collect context packets. But these only increase the accuracy of
+ assigning PIDs to kernel samples. For userspace sampling this can be ignored.
+
+ - Excessively large perf.data file size
+
+ Increase sampling interval (see above)
+
+PMU events
+~~~~~~~~~~
+
+SPE has events that can be counted on core PMUs. These are prefixed with
+SAMPLE_, for example SAMPLE_POP, SAMPLE_FEED, SAMPLE_COLLISION and
+SAMPLE_FEED_BR.
+
+These events will only count when an SPE event is running on the same core that
+the PMU event is opened on, otherwise they read as 0. There are various ways to
+ensure that the PMU event and SPE event are scheduled together depending on the
+way the event is opened. For example opening both events as per-process events
+on the same process, although it's not guaranteed that the PMU event is enabled
+first when context switching. For that reason it may be better to open the PMU
+event as a systemwide event and then open SPE on the process of interest.
+
+Discard mode
+~~~~~~~~~~~~
+
+SPE related (SAMPLE_* etc) core PMU events can be used without the overhead of
+collecting sample data if discard mode is supported (optional from Armv8.6).
+First run a system wide SPE session (or on the core of interest) using options
+to minimize output. Then run perf stat:
+
+ perf record -e arm_spe/discard/ -a -N -B --no-bpf-event -o - > /dev/null &
+ perf stat -e SAMPLE_FEED_LD
+
+Data source filtering
+~~~~~~~~~~~~~~~~~~~~~
+
+When FEAT_SPE_FDS is present, 'inv_data_src_filter' can be used as a mask to
+filter on a subset (0 - 63) of possible data source IDs. The full range of data
+sources is 0 - 65535 although these are unlikely to be used in practice. Data
+sources are IMPDEF so refer to the TRM for the mappings. Each bit N of the
+filter maps to data source N. The filter is an OR of all the bits, and the value
+provided inv_data_src_filter is inverted before writing to PMSDSFR_EL1 so that
+set bits exclude that data source and cleared bits include that data source.
+Therefore the default value of 0 is equivalent to no filtering (all data sources
+included).
+
+For example, to include only data sources 0 and 3, clear bits 0 and 3
+(0xFFFFFFFFFFFFFFF6)
+
+When 'inv_data_src_filter' is set to 0xFFFFFFFFFFFFFFFF, any samples with any
+data source set are excluded.
+
+SEE ALSO
+--------
+
+linkperf:perf-record[1], linkperf:perf-script[1], linkperf:perf-report[1],
+linkperf:perf-inject[1]
diff --git a/tools/perf/Documentation/perf-bench.txt b/tools/perf/Documentation/perf-bench.txt
index 34750fc32714..1160224cb718 100644
--- a/tools/perf/Documentation/perf-bench.txt
+++ b/tools/perf/Documentation/perf-bench.txt
@@ -18,7 +18,7 @@ COMMON OPTIONS
--------------
-r::
--repeat=::
-Specify amount of times to repeat the run (default 10).
+Specify number of times to repeat the run (default 10).
-f::
--format=::
@@ -49,6 +49,9 @@ SUBSYSTEM
'sched'::
Scheduler and IPC mechanisms.
+'syscall'::
+ System call performance (throughput).
+
'mem'::
Memory access performance.
@@ -58,6 +61,15 @@ SUBSYSTEM
'futex'::
Futex stressing benchmarks.
+'epoll'::
+ Eventpoll (epoll) stressing benchmarks.
+
+'internals'::
+ Benchmark internal perf functionality.
+
+'uprobe'::
+ Benchmark overhead of uprobe + BPF.
+
'all'::
All benchmark subsystems.
@@ -112,6 +124,14 @@ Options of *pipe*
--loop=::
Specify number of loops.
+-G::
+--cgroups=::
+Names of cgroups for sender and receiver, separated by a comma.
+This is useful to check cgroup context switching overhead.
+Note that perf doesn't create nor delete the cgroups, so users should
+make sure that the cgroups exist and are accessible before use.
+
+
Example of *pipe*
^^^^^^^^^^^^^^^^^
@@ -129,8 +149,27 @@ Example of *pipe*
Total time:0.016 sec
16.948000 usecs/op
59004 ops/sec
+
+% perf bench sched pipe -G AAA,BBB
+(executing 1000000 pipe operations between cgroups)
+# Running 'sched/pipe' benchmark:
+# Executed 1000000 pipe operations between two processes
+
+ Total time: 6.886 [sec]
+
+ 6.886208 usecs/op
+ 145217 ops/sec
+
---------------------
+SUITES FOR 'syscall'
+~~~~~~~~~~~~~~~~~~
+*basic*::
+Suite for evaluating performance of core system call throughput (both usecs/op and ops/sec metrics).
+This uses a single thread simply doing getppid(2), which is a simple syscall where the result is not
+cached by glibc.
+
+
SUITES FOR 'mem'
~~~~~~~~~~~~~~~~
*memcpy*::
@@ -138,11 +177,21 @@ Suite for evaluating performance of simple memory copy in various ways.
Options of *memcpy*
^^^^^^^^^^^^^^^^^^^
--l::
+-s::
--size::
Specify size of memory to copy (default: 1MB).
Available units are B, KB, MB, GB and TB (case insensitive).
+-p::
+--page::
+Specify page-size for mapping memory buffers (default: 4KB).
+Available values are 4KB, 2MB, 1GB (case insensitive).
+
+-k::
+--chunk::
+Specify the chunk-size for each invocation. (default: 0, or full-extent)
+Available units are B, KB, MB, GB and TB (case insensitive).
+
-f::
--function::
Specify function to copy (default: default).
@@ -162,11 +211,21 @@ Suite for evaluating performance of simple memory set in various ways.
Options of *memset*
^^^^^^^^^^^^^^^^^^^
--l::
+-s::
--size::
Specify size of memory to set (default: 1MB).
Available units are B, KB, MB, GB and TB (case insensitive).
+-p::
+--page::
+Specify page-size for mapping memory buffers (default: 4KB).
+Available values are 4KB, 2MB, 1GB (case insensitive).
+
+-k::
+--chunk::
+Specify the chunk-size for each invocation. (default: 0, or full-extent)
+Available units are B, KB, MB, GB and TB (case insensitive).
+
-f::
--function::
Specify function to set (default: default).
@@ -181,6 +240,40 @@ Repeat memset invocation this number of times.
--cycles::
Use perf's cpu-cycles event instead of gettimeofday syscall.
+*mmap*::
+Suite for evaluating memory subsystem performance for mmap()'d memory.
+
+Options of *mmap*
+^^^^^^^^^^^^^^^^^
+-s::
+--size::
+Specify size of memory to set (default: 1MB).
+Available units are B, KB, MB, GB and TB (case insensitive).
+
+-p::
+--page::
+Specify page-size for mapping memory buffers (default: 4KB).
+Available values are 4KB, 2MB, 1GB (case insensitive).
+
+-r::
+--randomize::
+Specify seed to randomize page access offset (default: 0, or not randomized).
+
+-f::
+--function::
+Specify function to set (default: all).
+Available functions are 'demand' and 'populate', with the first
+demand faulting pages in the region and the second using an eager
+mapping.
+
+-l::
+--nr_loops::
+Repeat mmap() invocation this number of times.
+
+-c::
+--cycles::
+Use perf's cpu-cycles event instead of gettimeofday syscall.
+
SUITES FOR 'numa'
~~~~~~~~~~~~~~~~~
*mem*::
@@ -203,6 +296,18 @@ Suite for evaluating requeue calls.
*lock-pi*::
Suite for evaluating futex lock_pi calls.
+SUITES FOR 'epoll'
+~~~~~~~~~~~~~~~~~~
+*wait*::
+Suite for evaluating concurrent epoll_wait calls.
+
+*ctl*::
+Suite for evaluating multiple epoll_ctl calls.
+
+SUITES FOR 'internals'
+~~~~~~~~~~~~~~~~~~~~~~
+*synthesize*::
+Suite for evaluating perf's event synthesis performance.
SEE ALSO
--------
diff --git a/tools/perf/Documentation/perf-buildid-cache.txt b/tools/perf/Documentation/perf-buildid-cache.txt
index 058064db39d2..7e44b419d301 100644
--- a/tools/perf/Documentation/perf-buildid-cache.txt
+++ b/tools/perf/Documentation/perf-buildid-cache.txt
@@ -24,6 +24,9 @@ OPTIONS
-a::
--add=::
Add specified file to the cache.
+-f::
+--force::
+ Don't complain, do it.
-k::
--kcore::
Add specified kcore file to the cache. For the current host that is
@@ -45,22 +48,41 @@ OPTIONS
--purge=::
Purge all cached binaries including older caches which have specified
path from the cache.
+-P::
+--purge-all::
+ Purge all cached binaries. This will flush out entire cache.
-M::
--missing=::
List missing build ids in the cache for the specified file.
-u::
--update=::
Update specified file of the cache. Note that this doesn't remove
- older entires since those may be still needed for annotating old
+ older entries since those may be still needed for annotating old
(or remote) perf.data. Only if there is already a cache which has
exactly same build-id, that is replaced by new one. It can be used
to update kallsyms and kernel dso to vmlinux in order to support
annotation.
-
+-l::
+--list::
+ List all valid binaries from cache.
-v::
--verbose::
Be more verbose.
+--target-ns=PID:
+ Obtain mount namespace information from the target pid. This is
+ used when creating a uprobe for a process that resides in a
+ different mount namespace from the perf(1) utility.
+
+--debuginfod[=URLs]::
+ Specify debuginfod URL to be used when retrieving perf.data binaries,
+ it follows the same syntax as the DEBUGINFOD_URLS variable, like:
+
+ buildid-cache.debuginfod=http://192.168.122.174:8002
+
+ If the URLs is not specified, the value of DEBUGINFOD_URLS
+ system environment variable is used.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1], linkperf:perf-buildid-list[1]
diff --git a/tools/perf/Documentation/perf-buildid-list.txt b/tools/perf/Documentation/perf-buildid-list.txt
index 25c52efcc7f0..e1e8fdbe06b9 100644
--- a/tools/perf/Documentation/perf-buildid-list.txt
+++ b/tools/perf/Documentation/perf-buildid-list.txt
@@ -33,6 +33,10 @@ OPTIONS
-k::
--kernel::
Show running kernel build id.
+-m::
+--kernel-maps::
+ Show buildid, start/end text address, and path of running kernel and
+ its modules.
-v::
--verbose::
Be more verbose.
diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt
index 2da07e51e119..40b0f71a2c44 100644
--- a/tools/perf/Documentation/perf-c2c.txt
+++ b/tools/perf/Documentation/perf-c2c.txt
@@ -9,7 +9,7 @@ SYNOPSIS
--------
[verse]
'perf c2c record' [<options>] <command>
-'perf c2c record' [<options>] -- [<record command options>] <command>
+'perf c2c record' [<options>] \-- [<record command options>] <command>
'perf c2c report' [<options>]
DESCRIPTION
@@ -19,8 +19,16 @@ C2C stands for Cache To Cache.
The perf c2c tool provides means for Shared Data C2C/HITM analysis. It allows
you to track down the cacheline contentions.
-The tool is based on x86's load latency and precise store facility events
-provided by Intel CPUs. These events provide:
+On Intel, the tool is based on load latency and precise store facility events
+provided by Intel CPUs. On PowerPC, the tool uses random instruction sampling
+with thresholding feature. On AMD, the tool uses IBS op pmu (due to hardware
+limitations, perf c2c is not supported on Zen3 cpus). On Arm64 it uses SPE to
+sample load and store operations, therefore hardware and kernel support is
+required. See linkperf:perf-arm-spe[1] for a setup guide. Due to the
+statistical nature of Arm SPE sampling, not every memory operation will be
+sampled.
+
+These events provide:
- memory address of the access
- type of the access (load and store details)
- latency (in cycles) of the load access
@@ -37,7 +45,7 @@ RECORD OPTIONS
--------------
-e::
--event=::
- Select the PMU event. Use 'perf mem record -e list'
+ Select the PMU event. Use 'perf c2c record -e list'
to list available events.
-v::
@@ -46,7 +54,15 @@ RECORD OPTIONS
-l::
--ldlat::
- Configure mem-loads latency.
+ Configure mem-loads latency. Supported on Intel, Arm64 and some AMD
+ processors. Ignored on other archs.
+
+ On supported AMD processors:
+ - /sys/bus/event_source/devices/ibs_op/caps/ldlat file contains '1'.
+ - Supported latency values are 128 to 2048 (both inclusive).
+ - Latency value which is a multiple of 128 incurs a little less profiling
+ overhead compared to other values.
+ - Load latency filtering is disabled by default.
-k::
--all-kernel::
@@ -76,7 +92,7 @@ REPORT OPTIONS
-c::
--coalesce::
- Specify sorintg fields for single cacheline display.
+ Specify sorting fields for single cacheline display.
Following fields are available: tid,pid,iaddr,dso
(see COALESCE)
@@ -106,7 +122,33 @@ REPORT OPTIONS
-d::
--display::
- Siwtch to HITM type (rmt, lcl) to display and sort on. Total HITMs as default.
+ Switch to HITM type (rmt, lcl) or peer snooping type (peer) to display
+ and sort on. Total HITMs (tot) as default, except Arm64 uses peer mode
+ as default.
+
+--stitch-lbr::
+ Show callgraph with stitched LBRs, which may have more complete
+ callgraph. The perf.data file must have been obtained using
+ perf c2c record --call-graph lbr.
+ Disabled by default. In common cases with call stack overflows,
+ it can recreate better call stacks than the default lbr call stack
+ output. But this approach is not foolproof. There can be cases
+ where it creates incorrect call stacks from incorrect matches.
+ The known limitations include exception handing such as
+ setjmp/longjmp will have calls/returns not match.
+
+--double-cl::
+ Group the detection of shared cacheline events into double cacheline
+ granularity. Some architectures have an Adjacent Cacheline Prefetch
+ feature, which causes cacheline sharing to behave like the cacheline
+ size is doubled.
+
+-M::
+--disassembler-style=::
+ Set disassembler style for objdump.
+
+--objdump=<path>::
+ Path to objdump binary.
C2C RECORD
----------
@@ -116,14 +158,23 @@ and calls standard perf record command.
Following perf record options are configured by default:
(check perf record man page for details)
- -W,-d,--sample-cpu
+ -W,-d,--phys-data,--sample-cpu
Unless specified otherwise with '-e' option, following events are monitored by
-default:
+default on Intel:
cpu/mem-loads,ldlat=30/P
cpu/mem-stores/P
+following on AMD:
+
+ ibs_op//
+
+and following on PowerPC:
+
+ cpu/mem-loads/
+ cpu/mem-stores/
+
User can pass any 'perf record' option behind '--' mark, like (to enable
callchains and system wide monitoring):
@@ -155,42 +206,57 @@ For each cacheline in the 1) list we display following data:
Cacheline
- cacheline address (hex number)
- Total records
- - sum of all cachelines accesses
-
- Rmt/Lcl Hitm
+ Rmt/Lcl Hitm (Display with HITM types)
- cacheline percentage of all Remote/Local HITM accesses
- LLC Load Hitm - Total, Lcl, Rmt
+ Peer Snoop (Display with peer type)
+ - cacheline percentage of all peer accesses
+
+ LLC Load Hitm - Total, LclHitm, RmtHitm (For display with HITM types)
- count of Total/Local/Remote load HITMs
- Store Reference - Total, L1Hit, L1Miss
- Total - all store accesses
- L1Hit - store accesses that hit L1
- L1Hit - store accesses that missed L1
+ Load Peer - Total, Local, Remote (For display with peer type)
+ - count of Total/Local/Remote load from peer cache or DRAM
- Load Dram
- - count of local and remote DRAM accesses
-
- LLC Ld Miss
- - count of all accesses that missed LLC
+ Total records
+ - sum of all cachelines accesses
- Total Loads
+ Total loads
- sum of all load accesses
+ Total stores
+ - sum of all store accesses
+
+ Store Reference - L1Hit, L1Miss, N/A
+ L1Hit - store accesses that hit L1
+ L1Miss - store accesses that missed L1
+ N/A - store accesses with memory level is not available
+
Core Load Hit - FB, L1, L2
- count of load hits in FB (Fill Buffer), L1 and L2 cache
- LLC Load Hit - Llc, Rmt
- - count of LLC and Remote load hits
+ LLC Load Hit - LlcHit, LclHitm
+ - count of LLC load accesses, includes LLC hits and LLC HITMs
+
+ RMT Load Hit - RmtHit, RmtHitm
+ - count of remote load accesses, includes remote hits and remote HITMs;
+ on Arm neoverse cores, RmtHit is used to account remote accesses,
+ includes remote DRAM or any upward cache level in remote node
+
+ Load Dram - Lcl, Rmt
+ - count of local and remote DRAM accesses
For each offset in the 2) list we display following data:
- HITM - Rmt, Lcl
+ HITM - Rmt, Lcl (Display with HITM types)
- % of Remote/Local HITM accesses for given offset within cacheline
- Store Refs - L1 Hit, L1 Miss
- - % of store accesses that hit/missed L1 for given offset within cacheline
+ Peer Snoop - Rmt, Lcl (Display with peer type)
+ - % of Remote/Local peer accesses for given offset within cacheline
+
+ Store Refs - L1 Hit, L1 Miss, N/A
+ - % of store accesses that hit L1, missed L1 and N/A (no available) memory
+ level for given offset within cacheline
Data address - Offset
- offset address
@@ -204,9 +270,12 @@ For each offset in the 2) list we display following data:
Code address
- code address responsible for the accesses
- cycles - rmt hitm, lcl hitm, load
+ cycles - rmt hitm, lcl hitm, load (Display with HITM types)
- sum of cycles for given accesses - Remote/Local HITM and generic load
+ cycles - rmt peer, lcl peer, load (Display with peer type)
+ - sum of cycles for given accesses - Remote/Local peer load and generic load
+
cpu cnt
- number of cpus that participated on the access
@@ -228,7 +297,8 @@ The 'Node' field displays nodes that accesses given cacheline
offset. Its output comes in 3 flavors:
- node IDs separated by ','
- node IDs with stats for each ID, in following format:
- Node{cpus %hitms %stores}
+ Node{cpus %hitms %stores} (Display with HITM types)
+ Node{cpus %peers %stores} (Display with peer type)
- node IDs with list of affected CPUs in following format:
Node{cpu list}
@@ -240,7 +310,7 @@ COALESCE
User can specify how to sort offsets for cacheline.
Following fields are available and governs the final
-output fields set for caheline offsets output:
+output fields set for cacheline offsets output:
tid - coalesced by process TIDs
pid - coalesced by process PIDs
@@ -287,4 +357,4 @@ Check Joe's blog on c2c tool for detailed use case explanation:
SEE ALSO
--------
-linkperf:perf-record[1], linkperf:perf-mem[1]
+linkperf:perf-record[1], linkperf:perf-mem[1], linkperf:perf-arm-spe[1]
diff --git a/tools/perf/Documentation/perf-check.txt b/tools/perf/Documentation/perf-check.txt
new file mode 100644
index 000000000000..09e1d35677f5
--- /dev/null
+++ b/tools/perf/Documentation/perf-check.txt
@@ -0,0 +1,80 @@
+perf-check(1)
+===============
+
+NAME
+----
+perf-check - check if features are present in perf
+
+SYNOPSIS
+--------
+[verse]
+'perf check' [<options>]
+'perf check' {feature <feature_list>} [<options>]
+
+DESCRIPTION
+-----------
+With no subcommands given, 'perf check' command just prints the command
+usage on the standard output.
+
+If the subcommand 'feature' is used, then status of feature is printed
+on the standard output (unless '-q' is also passed), ie. whether it is
+compiled-in/built-in or not.
+Also, 'perf check feature' returns with exit status 0 if the feature
+is built-in, otherwise returns with exit status 1.
+
+SUBCOMMANDS
+-----------
+
+feature::
+
+ Print whether feature(s) is compiled-in or not, and also returns with an
+ exit status of 0, if passed feature(s) are compiled-in, else 1.
+
+ It expects a feature list as an argument. There can be a single feature
+ name/macro, or multiple features can also be passed as a comma-separated
+ list, in which case the exit status will be 0 only if all of the passed
+ features are compiled-in.
+
+ The feature names/macros are case-insensitive.
+
+ Example Usage:
+ perf check feature libtraceevent
+ perf check feature HAVE_LIBTRACEEVENT
+ perf check feature libtraceevent,bpf
+
+ Supported feature names/macro:
+ aio / HAVE_AIO_SUPPORT
+ bpf / HAVE_LIBBPF_SUPPORT
+ bpf_skeletons / HAVE_BPF_SKEL
+ debuginfod / HAVE_DEBUGINFOD_SUPPORT
+ dwarf / HAVE_LIBDW_SUPPORT
+ dwarf_getlocations / HAVE_LIBDW_SUPPORT
+ dwarf-unwind / HAVE_DWARF_UNWIND_SUPPORT
+ libbfd / HAVE_LIBBFD_SUPPORT
+ libbpf-strings / HAVE_LIBBPF_STRINGS_SUPPORT
+ libcapstone / HAVE_LIBCAPSTONE_SUPPORT
+ libdw-dwarf-unwind / HAVE_LIBDW_SUPPORT
+ libelf / HAVE_LIBELF_SUPPORT
+ libLLVM / HAVE_LIBLLVM_SUPPORT
+ libnuma / HAVE_LIBNUMA_SUPPORT
+ libopencsd / HAVE_CSTRACE_SUPPORT
+ libperl / HAVE_LIBPERL_SUPPORT
+ libpfm4 / HAVE_LIBPFM
+ libpython / HAVE_LIBPYTHON_SUPPORT
+ libslang / HAVE_SLANG_SUPPORT
+ libtraceevent / HAVE_LIBTRACEEVENT
+ libunwind / HAVE_LIBUNWIND_SUPPORT
+ lzma / HAVE_LZMA_SUPPORT
+ numa_num_possible_cpus / HAVE_LIBNUMA_SUPPORT
+ zlib / HAVE_ZLIB_SUPPORT
+ zstd / HAVE_ZSTD_SUPPORT
+
+OPTIONS
+-------
+-q::
+--quiet::
+ Do not print any messages or warnings
+
+ This can be used along with subcommands such as 'perf check feature'
+ to hide unnecessary output in test scripts, eg.
+ 'perf check feature --quiet libtraceevent'
diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
index 5b4fff3adc4b..642d1c490d9e 100644
--- a/tools/perf/Documentation/perf-config.txt
+++ b/tools/perf/Documentation/perf-config.txt
@@ -40,6 +40,10 @@ The '$HOME/.perfconfig' file is used to store a per-user configuration.
The file '$(sysconfdir)/perfconfig' can be used to
store a system-wide default configuration.
+One can disable reading config files by setting the PERF_CONFIG environment
+variable to /dev/null, or provide an alternate config file by setting that
+variable.
+
When reading or writing, the values are read from the system and user
configuration files by default, and options '--system' and '--user'
can be used to tell the command to read from or write to only that location.
@@ -114,11 +118,13 @@ Given a $HOME/.perfconfig like this:
[report]
# Defaults
- sort-order = comm,dso,symbol
+ sort_order = comm,dso,symbol
percent-limit = 0
queue-size = 0
children = true
group = true
+ skip-empty = true
+
You can hide source code of annotate feature setting the config to false with
@@ -130,7 +136,7 @@ If you want to add or modify several config items, you can do like
To modify the sort order of report functionality in user config file(i.e. `~/.perfconfig`), do
- % perf config --user report sort-order=srcline
+ % perf config --user report.sort-order=srcline
To change colors of selected line to other foreground and background colors
in system config file (i.e. `$(sysconf)/perfconfig`), do
@@ -199,6 +205,12 @@ colors.*::
Colors for headers in the output of a sub-commands (top, report).
Default values are 'white', 'blue'.
+core.*::
+ core.proc-map-timeout::
+ Sets a timeout (in milliseconds) for parsing /proc/<pid>/maps files.
+ Can be overridden by the --proc-map-timeout option on supported
+ subcommands. The default timeout is 500ms.
+
tui.*, gtk.*::
Subcommands that can be configured here are 'top', 'report' and 'annotate'.
These values are booleans, for example:
@@ -224,11 +236,42 @@ buildid.*::
cache location, or to disable it altogether. If you want to disable it,
set buildid.dir to /dev/null. The default is $HOME/.debug
+buildid-cache.*::
+ buildid-cache.debuginfod=URLs
+ Specify debuginfod URLs to be used when retrieving perf.data binaries,
+ it follows the same syntax as the DEBUGINFOD_URLS variable, like:
+
+ buildid-cache.debuginfod=http://192.168.122.174:8002
+
annotate.*::
- These options work only for TUI.
These are in control of addresses, jump function, source code
in lines of assembly code from a specific program.
+ annotate.disassemblers::
+ Choose the disassembler to use: "objdump", "llvm", "capstone",
+ if not specified it will first try, if available, the "llvm" one,
+ then, if it fails, "capstone", and finally the original "objdump"
+ based one.
+
+ Choosing a different one is useful when handling some feature that
+ is known to be best support at some point by one of the options,
+ to compare the output when in doubt about some bug, etc.
+
+ This can be a list, in order of preference, the first one that works
+ finishes the process.
+
+ annotate.addr2line::
+ addr2line binary to use for file names and line numbers.
+
+ annotate.objdump::
+ objdump binary to use for disassembly and annotations,
+ including in the 'perf test' command.
+
+ annotate.disassembler_style::
+ Use this to change the default disassembler style to some other value
+ supported by binutils, such as "intel", see the '-M' option help in the
+ 'objdump' man page.
+
annotate.hide_src_code::
If a program which is analyzed has source code,
this option lets 'annotate' print a list of assembly code with the source code.
@@ -255,6 +298,8 @@ annotate.*::
│ mov (%rdi),%rdx
│ return n;
+ This option works with tui, stdio2 browsers.
+
annotate.use_offset::
Basing on a first address of a loaded function, offset can be used.
Instead of using original addresses of assembly code,
@@ -273,6 +318,8 @@ annotate.*::
368:│ mov 0x8(%r14),%rdi
+ This option works with tui, stdio2 browsers.
+
annotate.jump_arrows::
There can be jump instruction among assembly code.
Depending on a boolean value of jump_arrows,
@@ -292,6 +339,8 @@ annotate.*::
│1330: mov %r15,%r10
│1333: cmp %r15,%r14
+ This option works with tui browser.
+
annotate.show_linenr::
When showing source code if this option is 'true',
line numbers are printed as below.
@@ -311,6 +360,8 @@ annotate.*::
│ array++;
│ }
+ This option works with tui, stdio2 browsers.
+
annotate.show_nr_jumps::
Let's see a part of assembly code.
@@ -321,6 +372,8 @@ annotate.*::
│1 1382: movb $0x1,-0x270(%rbp)
+ This option works with tui, stdio2 browsers.
+
annotate.show_total_period::
To compare two records on an instruction base, with this option
provided, display total number of samples that belong to a line
@@ -334,6 +387,36 @@ annotate.*::
99.93 │ mov %eax,%eax
+ This option works with tui, stdio2, stdio browsers.
+
+ annotate.show_nr_samples::
+ By default perf annotate shows percentage of samples. This option
+ can be used to print absolute number of samples. Ex, when set as
+ false:
+
+ Percent│
+ 74.03 │ mov %fs:0x28,%rax
+
+ When set as true:
+
+ Samples│
+ 6 │ mov %fs:0x28,%rax
+
+ This option works with tui, stdio2, stdio browsers.
+
+ annotate.offset_level::
+ Default is '1', meaning just jump targets will have offsets show right beside
+ the instruction. When set to '2' 'call' instructions will also have its offsets
+ shown, 3 or higher will show offsets for all instructions.
+
+ This option works with tui, stdio2 browsers.
+
+ annotate.demangle::
+ Demangle symbol names to human readable form. Default is 'true'.
+
+ annotate.demangle_kernel::
+ Demangle kernel symbol names to human readable form. Default is 'true'.
+
hist.*::
hist.percentage::
This option control the way to calculate overhead of filtered entries -
@@ -358,14 +441,19 @@ ui.*::
This option is only applied to TUI.
call-graph.*::
- When sub-commands 'top' and 'report' work with -g/—-children
- there're options in control of call-graph.
+ The following controls the handling of call-graphs (obtained via the
+ -g/--call-graph options).
call-graph.record-mode::
- The record-mode can be 'fp' (frame pointer), 'dwarf' and 'lbr'.
- The value of 'dwarf' is effective only if perf detect needed library
- (libunwind or a recent version of libdw).
- 'lbr' only work for cpus that support it.
+ The mode for user space can be 'fp' (frame pointer), 'dwarf'
+ and 'lbr'. The value 'dwarf' is effective only if libunwind
+ (or a recent version of libdw) is present on the system;
+ the value 'lbr' only works for certain cpus. The method for
+ kernel space is controlled not by this option but by the
+ kernel config (CONFIG_UNWINDER_*).
+
+ The 'defer' mode can be used with 'fp' mode to enable deferred
+ user callchains (like 'fp,defer').
call-graph.dump-size::
The size of stack to dump in order to do post-unwinding. Default is 8192 (byte).
@@ -464,6 +552,10 @@ report.*::
0.07% 0.00% noploop ld-2.15.so [.] strcmp
0.03% 0.00% noploop [kernel.kallsyms] [k] timerqueue_del
+ report.skip-empty::
+ This option can change default stat behavior with empty results.
+ If it's set true, 'perf report --stat' will not show 0 stats.
+
top.*::
top.children::
Same as 'report.children'. So if it is enabled, the output of 'top'
@@ -471,6 +563,12 @@ top.*::
column by default.
The default is 'true'.
+ top.call-graph::
+ This is identical to 'call-graph.record-mode', except it is
+ applicable only for 'top' subcommand. This option ONLY setup
+ the unwind method. To enable 'perf top' to actually use it,
+ the command line option -g must be specified.
+
man.*::
man.viewer::
This option can assign a tool to view manual pages when 'help'
@@ -492,11 +590,31 @@ kmem.*::
record.*::
record.build-id::
- This option can be 'cache', 'no-cache' or 'skip'.
+ This option can be 'cache', 'no-cache', 'skip' or 'mmap'.
'cache' is to post-process data and save/update the binaries into
the build-id cache (in ~/.debug). This is the default.
But if this option is 'no-cache', it will not update the build-id cache.
'skip' skips post-processing and does not update the cache.
+ 'mmap' skips post-processing and reads build-ids from MMAP events.
+
+ record.call-graph::
+ This is identical to 'call-graph.record-mode', except it is
+ applicable only for 'record' subcommand. This option ONLY setup
+ the unwind method. To enable 'perf record' to actually use it,
+ the command line option -g must be specified.
+
+ record.aio::
+ Use 'n' control blocks in asynchronous (Posix AIO) trace writing
+ mode ('n' default: 1, max: 4).
+
+ record.debuginfod::
+ Specify debuginfod URL to be used when cacheing perf.data binaries,
+ it follows the same syntax as the DEBUGINFOD_URLS variable, like:
+
+ http://192.168.122.174:8002
+
+ If the URLs is 'system', the value of DEBUGINFOD_URLS system environment
+ variable is used.
diff.*::
diff.order::
@@ -510,6 +628,121 @@ diff.*::
Possible values are 'delta', 'delta-abs', 'ratio' and
'wdiff'. Default is 'delta'.
+trace.*::
+ trace.add_events::
+ Allows adding a set of events to add to the ones specified
+ by the user, or use as a default one if none was specified.
+ The initial use case is to add augmented_raw_syscalls.o to
+ activate the 'perf trace' logic that looks for syscall
+ pointer contents after the normal tracepoint payload.
+
+ trace.args_alignment::
+ Number of columns to align the argument list, default is 70,
+ use 40 for the strace default, zero to no alignment.
+
+ trace.no_inherit::
+ Do not follow children threads.
+
+ trace.show_arg_names::
+ Should syscall argument names be printed? If not then trace.show_zeros
+ will be set.
+
+ trace.show_duration::
+ Show syscall duration.
+
+ trace.show_prefix::
+ If set to 'yes' will show common string prefixes in tables. The default
+ is to remove the common prefix in things like "MAP_SHARED", showing just "SHARED".
+
+ trace.show_timestamp::
+ Show syscall start timestamp.
+
+ trace.show_zeros::
+ Do not suppress syscall arguments that are equal to zero.
+
+ trace.tracepoint_beautifiers::
+ Use "libtraceevent" to use that library to augment the tracepoint arguments,
+ "libbeauty", the default, to use the same argument beautifiers used in the
+ strace-like sys_enter+sys_exit lines.
+
+ftrace.*::
+ ftrace.tracer::
+ Can be used to select the default tracer when neither -G nor
+ -F option is not specified. Possible values are 'function' and
+ 'function_graph'.
+
+samples.*::
+
+ samples.context::
+ Define how many ns worth of time to show
+ around samples in perf report sample context browser.
+
+scripts.*::
+
+ Any option defines a script that is added to the scripts menu
+ in the interactive perf browser and whose output is displayed.
+ The name of the option is the name, the value is a script command line.
+ The script gets the same options passed as a full perf script,
+ in particular -i perfdata file, --cpu, --tid
+
+convert.*::
+
+ convert.queue-size::
+ Limit the size of ordered_events queue, so we could control
+ allocation size of perf data files without proper finished
+ round events.
+stat.*::
+
+ stat.big-num::
+ (boolean) Change the default for "--big-num". To make
+ "--no-big-num" the default, set "stat.big-num=false".
+
+intel-pt.*::
+
+ intel-pt.cache-divisor::
+
+ intel-pt.mispred-all::
+ If set, Intel PT decoder will set the mispred flag on all
+ branches.
+
+ intel-pt.max-loops::
+ If set and non-zero, the maximum number of unconditional
+ branches decoded without consuming any trace packets. If
+ the maximum is exceeded there will be a "Never-ending loop"
+ error. The default is 100000.
+
+ intel-pt.all-switch-events::
+ If the user has permission to do so, always record all context
+ switch events on all CPUs.
+
+auxtrace.*::
+
+ auxtrace.dumpdir::
+ s390 only. The directory to save the auxiliary trace buffer
+ can be changed using this option. Ex, auxtrace.dumpdir=/tmp.
+ If the directory does not exist or has the wrong file type,
+ the current directory is used.
+
+itrace.*::
+
+ debug-log-buffer-size::
+ Log size in bytes to output when using the option --itrace=d+e
+ Refer 'itrace' option of linkperf:perf-script[1] or
+ linkperf:perf-report[1]. The default is 16384.
+
+daemon.*::
+
+ daemon.base::
+ Base path for daemon data. All sessions data are stored under
+ this path.
+
+session-<NAME>.*::
+
+ session-<NAME>.run::
+
+ Defines new record session for daemon. The value is record's
+ command line without the 'record' keyword.
+
SEE ALSO
--------
linkperf:perf[1]
diff --git a/tools/perf/Documentation/perf-daemon.txt b/tools/perf/Documentation/perf-daemon.txt
new file mode 100644
index 000000000000..f558f8e4bc9b
--- /dev/null
+++ b/tools/perf/Documentation/perf-daemon.txt
@@ -0,0 +1,208 @@
+perf-daemon(1)
+==============
+
+
+NAME
+----
+perf-daemon - Run record sessions on background
+
+
+SYNOPSIS
+--------
+[verse]
+'perf daemon'
+'perf daemon' [<options>]
+'perf daemon start' [<options>]
+'perf daemon stop' [<options>]
+'perf daemon signal' [<options>]
+'perf daemon ping' [<options>]
+
+
+DESCRIPTION
+-----------
+This command allows to run simple daemon process that starts and
+monitors configured record sessions.
+
+You can imagine 'perf daemon' of background process with several
+'perf record' child tasks, like:
+
+ # ps axjf
+ ...
+ 1 916507 ... perf daemon start
+ 916507 916508 ... \_ perf record --control=fifo:control,ack -m 10M -e cycles --overwrite --switch-output -a
+ 916507 916509 ... \_ perf record --control=fifo:control,ack -m 20M -e sched:* --overwrite --switch-output -a
+
+Not every 'perf record' session is suitable for running under daemon.
+User need perf session that either produces data on query, like the
+flight recorder sessions in above example or session that is configured
+to produce data periodically, like with --switch-output configuration
+for time and size.
+
+Each session is started with control setup (with perf record --control
+options).
+
+Sessions are configured through config file, see CONFIG FILE section
+with EXAMPLES.
+
+
+OPTIONS
+-------
+-v::
+--verbose::
+ Be more verbose.
+
+--config=<PATH>::
+ Config file path. If not provided, perf will check system and default
+ locations (/etc/perfconfig, $HOME/.perfconfig).
+
+--base=<PATH>::
+ Base directory path. Each daemon instance is running on top
+ of base directory. Only one instance of server can run on
+ top of one directory at the time.
+
+All generic options are available also under commands.
+
+
+START COMMAND
+-------------
+The start command creates the daemon process.
+
+-f::
+--foreground::
+ Do not put the process in background.
+
+
+STOP COMMAND
+------------
+The stop command stops all the session and the daemon process.
+
+
+SIGNAL COMMAND
+--------------
+The signal command sends signal to configured sessions.
+
+--session::
+ Send signal to specific session.
+
+
+PING COMMAND
+------------
+The ping command sends control ping to configured sessions.
+
+--session::
+ Send ping to specific session.
+
+
+CONFIG FILE
+-----------
+The daemon is configured within standard perf config file by
+following new variables:
+
+daemon.base:
+ Base path for daemon data. All sessions data are
+ stored under this path.
+
+session-<NAME>.run:
+ Defines new record session. The value is record's command
+ line without the 'record' keyword.
+
+Each perf record session is run in daemon.base/<NAME> directory.
+
+
+EXAMPLES
+--------
+Example with 2 record sessions:
+
+ # cat ~/.perfconfig
+ [daemon]
+ base=/opt/perfdata
+
+ [session-cycles]
+ run = -m 10M -e cycles --overwrite --switch-output -a
+
+ [session-sched]
+ run = -m 20M -e sched:* --overwrite --switch-output -a
+
+
+Starting the daemon:
+
+ # perf daemon start
+
+
+Check sessions:
+
+ # perf daemon
+ [603349:daemon] base: /opt/perfdata
+ [603350:cycles] perf record -m 10M -e cycles --overwrite --switch-output -a
+ [603351:sched] perf record -m 20M -e sched:* --overwrite --switch-output -a
+
+First line is daemon process info with configured daemon base.
+
+
+Check sessions with more info:
+
+ # perf daemon -v
+ [603349:daemon] base: /opt/perfdata
+ output: /opt/perfdata/output
+ lock: /opt/perfdata/lock
+ up: 1 minutes
+ [603350:cycles] perf record -m 10M -e cycles --overwrite --switch-output -a
+ base: /opt/perfdata/session-cycles
+ output: /opt/perfdata/session-cycles/output
+ control: /opt/perfdata/session-cycles/control
+ ack: /opt/perfdata/session-cycles/ack
+ up: 1 minutes
+ [603351:sched] perf record -m 20M -e sched:* --overwrite --switch-output -a
+ base: /opt/perfdata/session-sched
+ output: /opt/perfdata/session-sched/output
+ control: /opt/perfdata/session-sched/control
+ ack: /opt/perfdata/session-sched/ack
+ up: 1 minutes
+
+The 'base' path is daemon/session base.
+The 'lock' file is daemon's lock file guarding that no other
+daemon is running on top of the base.
+The 'output' file is perf record output for specific session.
+The 'control' and 'ack' files are perf control files.
+The 'up' number shows minutes daemon/session is running.
+
+
+Make sure control session is online:
+
+ # perf daemon ping
+ OK cycles
+ OK sched
+
+
+Send USR2 signal to session 'cycles' to generate perf.data file:
+
+ # perf daemon signal --session cycles
+ signal 12 sent to session 'cycles [603452]'
+
+ # tail -2 /opt/perfdata/session-cycles/output
+ [ perf record: dump data: Woken up 1 times ]
+ [ perf record: Dump perf.data.2020123017013149 ]
+
+
+Send USR2 signal to all sessions:
+
+ # perf daemon signal
+ signal 12 sent to session 'cycles [603452]'
+ signal 12 sent to session 'sched [603453]'
+
+ # tail -2 /opt/perfdata/session-cycles/output
+ [ perf record: dump data: Woken up 1 times ]
+ [ perf record: Dump perf.data.2020123017024689 ]
+ # tail -2 /opt/perfdata/session-sched/output
+ [ perf record: dump data: Woken up 1 times ]
+ [ perf record: Dump perf.data.2020123017024713 ]
+
+
+Stop daemon:
+
+ # perf daemon stop
+
+
+SEE ALSO
+--------
+linkperf:perf-record[1], linkperf:perf-config[1]
diff --git a/tools/perf/Documentation/perf-data.txt b/tools/perf/Documentation/perf-data.txt
index f0796a47dfa3..417bf17e265c 100644
--- a/tools/perf/Documentation/perf-data.txt
+++ b/tools/perf/Documentation/perf-data.txt
@@ -1,5 +1,5 @@
perf-data(1)
-==============
+============
NAME
----
@@ -17,7 +17,7 @@ Data file related processing.
COMMANDS
--------
convert::
- Converts perf data file into another format (only CTF [1] format is support by now).
+ Converts perf data file into another format.
It's possible to set data-convert debug variable to get debug messages from conversion,
like:
perf --debug data-convert data convert ...
@@ -27,9 +27,19 @@ OPTIONS for 'convert'
--to-ctf::
Triggers the CTF conversion, specify the path of CTF data directory.
+--to-json::
+ Triggers JSON conversion. Specify the JSON filename to output.
+
+--tod::
+ Convert time to wall clock time.
+
-i::
Specify input perf data file path.
+-f::
+--force::
+ Don't complain, do it.
+
-v::
--verbose::
Be more verbose (show counter open errors, etc).
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index a79c84ae61aa..58efab72d2e5 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -75,7 +75,7 @@ OPTIONS
-q::
--quiet::
- Do not show any message. (Suppress -v)
+ Do not show any warnings or messages. (Suppress -v)
-f::
--force::
@@ -90,9 +90,15 @@ OPTIONS
-c::
--compute::
- Differential computation selection - delta, ratio, wdiff, delta-abs
- (default is delta-abs). Default can be changed using diff.compute
- config option. See COMPARISON METHODS section for more info.
+ Differential computation selection - delta, ratio, wdiff, cycles,
+ delta-abs (default is delta-abs). Default can be changed using
+ diff.compute config option. See COMPARISON METHODS section for
+ more info.
+
+--cycles-hist::
+ Report a histogram and the standard deviation for cycles data.
+ It can help us to judge if the reported cycles data is noisy or
+ not. This option should be used with '-c cycles'.
-p::
--period::
@@ -118,6 +124,68 @@ OPTIONS
sum of shown entries will be always 100%. "absolute" means it retains
the original value before and after the filter is applied.
+--time::
+ Analyze samples within given time window. It supports time
+ percent with multiple time ranges. Time string is 'a%/n,b%/m,...'
+ or 'a%-b%,c%-%d,...'.
+
+ For example:
+
+ Select the second 10% time slice to diff:
+
+ perf diff --time 10%/2
+
+ Select from 0% to 10% time slice to diff:
+
+ perf diff --time 0%-10%
+
+ Select the first and the second 10% time slices to diff:
+
+ perf diff --time 10%/1,10%/2
+
+ Select from 0% to 10% and 30% to 40% slices to diff:
+
+ perf diff --time 0%-10%,30%-40%
+
+ It also supports analyzing samples within a given time window
+ <start>,<stop>. Times have the format seconds.nanoseconds. If 'start'
+ is not given (i.e. time string is ',x.y') then analysis starts at
+ the beginning of the file. If stop time is not given (i.e. time
+ string is 'x.y,') then analysis goes to the end of the file.
+ Multiple ranges can be separated by spaces, which requires the argument
+ to be quoted e.g. --time "1234.567,1234.789 1235,"
+ Time string is'a1.b1,c1.d1:a2.b2,c2.d2'. Use ':' to separate timestamps
+ for different perf.data files.
+
+ For example, we get the timestamp information from 'perf script'.
+
+ perf script -i perf.data.old
+ mgen 13940 [000] 3946.361400: ...
+
+ perf script -i perf.data
+ mgen 13940 [000] 3971.150589 ...
+
+ perf diff --time 3946.361400,:3971.150589,
+
+ It analyzes the perf.data.old from the timestamp 3946.361400 to
+ the end of perf.data.old and analyzes the perf.data from the
+ timestamp 3971.150589 to the end of perf.data.
+
+--cpu:: Only diff samples for the list of CPUs provided. Multiple CPUs can
+ be provided as a comma-separated list with no space: 0,1. Ranges of
+ CPUs are specified with -: 0-2. Default is to report samples on all
+ CPUs.
+
+--pid=::
+ Only diff samples for given process ID (comma separated list).
+
+--tid=::
+ Only diff samples for given thread ID (comma separated list).
+
+--stream::
+ Enable hot streams comparison. Stream can be a callchain which is
+ aggregated by the branch records from samples.
+
COMPARISON
----------
The comparison is governed by the baseline file. The baseline perf.data
@@ -217,11 +285,21 @@ If specified the 'Weighted diff' column is displayed with value 'd' computed as:
- period being the hist entry period value
- - WEIGHT-A/WEIGHT-B being user supplied weights in the the '-c' option
+ - WEIGHT-A/WEIGHT-B being user supplied weights in the '-c' option
behind ':' separator like '-c wdiff:1,2'.
- WEIGHT-A being the weight of the data file
- WEIGHT-B being the weight of the baseline data file
+cycles
+~~~~~~
+If specified the '[Program Block Range] Cycles Diff' column is displayed.
+It displays the cycles difference of same program basic block amongst
+two perf.data. The program basic block is the code between two branches.
+
+'[Program Block Range]' indicates the range of a program basic block.
+Source line is reported if it can be found otherwise uses symbol+offset
+instead.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1]
diff --git a/tools/perf/Documentation/perf-dlfilter.txt b/tools/perf/Documentation/perf-dlfilter.txt
new file mode 100644
index 000000000000..8887cc20a809
--- /dev/null
+++ b/tools/perf/Documentation/perf-dlfilter.txt
@@ -0,0 +1,299 @@
+perf-dlfilter(1)
+================
+
+NAME
+----
+perf-dlfilter - Filter sample events using a dynamically loaded shared
+object file
+
+SYNOPSIS
+--------
+[verse]
+'perf script' [--dlfilter file.so ] [ --dlarg arg ]...
+
+DESCRIPTION
+-----------
+
+This option is used to process data through a custom filter provided by a
+dynamically loaded shared object file. Arguments can be passed using --dlarg
+and retrieved using perf_dlfilter_fns.args().
+
+If 'file.so' does not contain "/", then it will be found either in the current
+directory, or perf tools exec path which is ~/libexec/perf-core/dlfilters for
+a local build and install (refer perf --exec-path), or the dynamic linker
+paths.
+
+API
+---
+
+The API for filtering consists of the following:
+
+[source,c]
+----
+#include <perf/perf_dlfilter.h>
+
+struct perf_dlfilter_fns perf_dlfilter_fns;
+
+int start(void **data, void *ctx);
+int stop(void *data, void *ctx);
+int filter_event(void *data, const struct perf_dlfilter_sample *sample, void *ctx);
+int filter_event_early(void *data, const struct perf_dlfilter_sample *sample, void *ctx);
+const char *filter_description(const char **long_description);
+----
+
+If implemented, 'start' will be called at the beginning, before any
+calls to 'filter_event' or 'filter_event_early'. Return 0 to indicate success,
+or return a negative error code. '*data' can be assigned for use by other
+functions. 'ctx' is needed for calls to perf_dlfilter_fns, but most
+perf_dlfilter_fns are not valid when called from 'start'.
+
+If implemented, 'stop' will be called at the end, after any calls to
+'filter_event' or 'filter_event_early'. Return 0 to indicate success, or
+return a negative error code. 'data' is set by 'start'. 'ctx' is needed
+for calls to perf_dlfilter_fns, but most perf_dlfilter_fns are not valid
+when called from 'stop'.
+
+If implemented, 'filter_event' will be called for each sample event.
+Return 0 to keep the sample event, 1 to filter it out, or return a negative
+error code. 'data' is set by 'start'. 'ctx' is needed for calls to
+'perf_dlfilter_fns'.
+
+'filter_event_early' is the same as 'filter_event' except it is called before
+internal filtering.
+
+If implemented, 'filter_description' should return a one-line description
+of the filter, and optionally a longer description.
+
+Do not assume the 'sample' argument is valid (dereferenceable)
+after 'filter_event' and 'filter_event_early' return.
+
+Do not assume data referenced by pointers in struct perf_dlfilter_sample
+is valid (dereferenceable) after 'filter_event' and 'filter_event_early' return.
+
+The perf_dlfilter_sample structure
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+'filter_event' and 'filter_event_early' are passed a perf_dlfilter_sample
+structure, which contains the following fields:
+[source,c]
+----
+/*
+ * perf sample event information (as per perf script and <linux/perf_event.h>)
+ */
+struct perf_dlfilter_sample {
+ __u32 size; /* Size of this structure (for compatibility checking) */
+ __u16 ins_lat; /* Refer PERF_SAMPLE_WEIGHT_TYPE in <linux/perf_event.h> */
+ __u16 p_stage_cyc; /* Refer PERF_SAMPLE_WEIGHT_TYPE in <linux/perf_event.h> */
+ __u64 ip;
+ __s32 pid;
+ __s32 tid;
+ __u64 time;
+ __u64 addr;
+ __u64 id;
+ __u64 stream_id;
+ __u64 period;
+ __u64 weight; /* Refer PERF_SAMPLE_WEIGHT_TYPE in <linux/perf_event.h> */
+ __u64 transaction; /* Refer PERF_SAMPLE_TRANSACTION in <linux/perf_event.h> */
+ __u64 insn_cnt; /* For instructions-per-cycle (IPC) */
+ __u64 cyc_cnt; /* For instructions-per-cycle (IPC) */
+ __s32 cpu;
+ __u32 flags; /* Refer PERF_DLFILTER_FLAG_* above */
+ __u64 data_src; /* Refer PERF_SAMPLE_DATA_SRC in <linux/perf_event.h> */
+ __u64 phys_addr; /* Refer PERF_SAMPLE_PHYS_ADDR in <linux/perf_event.h> */
+ __u64 data_page_size; /* Refer PERF_SAMPLE_DATA_PAGE_SIZE in <linux/perf_event.h> */
+ __u64 code_page_size; /* Refer PERF_SAMPLE_CODE_PAGE_SIZE in <linux/perf_event.h> */
+ __u64 cgroup; /* Refer PERF_SAMPLE_CGROUP in <linux/perf_event.h> */
+ __u8 cpumode; /* Refer CPUMODE_MASK etc in <linux/perf_event.h> */
+ __u8 addr_correlates_sym; /* True => resolve_addr() can be called */
+ __u16 misc; /* Refer perf_event_header in <linux/perf_event.h> */
+ __u32 raw_size; /* Refer PERF_SAMPLE_RAW in <linux/perf_event.h> */
+ const void *raw_data; /* Refer PERF_SAMPLE_RAW in <linux/perf_event.h> */
+ __u64 brstack_nr; /* Number of brstack entries */
+ const struct perf_branch_entry *brstack; /* Refer <linux/perf_event.h> */
+ __u64 raw_callchain_nr; /* Number of raw_callchain entries */
+ const __u64 *raw_callchain; /* Refer <linux/perf_event.h> */
+ const char *event;
+ __s32 machine_pid;
+ __s32 vcpu;
+};
+----
+
+Note: 'machine_pid' and 'vcpu' are not original members, but were added together later.
+'size' can be used to determine their presence at run time.
+PERF_DLFILTER_HAS_MACHINE_PID will be defined if they are present at compile time.
+For example:
+[source,c]
+----
+#include <perf/perf_dlfilter.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+static inline bool have_machine_pid(const struct perf_dlfilter_sample *sample)
+{
+#ifdef PERF_DLFILTER_HAS_MACHINE_PID
+ return sample->size >= offsetof(struct perf_dlfilter_sample, vcpu) + sizeof(sample->vcpu);
+#else
+ return false;
+#endif
+}
+----
+
+The perf_dlfilter_fns structure
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The 'perf_dlfilter_fns' structure is populated with function pointers when the
+file is loaded. The functions can be called by 'filter_event' or
+'filter_event_early'.
+
+[source,c]
+----
+struct perf_dlfilter_fns {
+ const struct perf_dlfilter_al *(*resolve_ip)(void *ctx);
+ const struct perf_dlfilter_al *(*resolve_addr)(void *ctx);
+ char **(*args)(void *ctx, int *dlargc);
+ __s32 (*resolve_address)(void *ctx, __u64 address, struct perf_dlfilter_al *al);
+ const __u8 *(*insn)(void *ctx, __u32 *length);
+ const char *(*srcline)(void *ctx, __u32 *line_number);
+ struct perf_event_attr *(*attr)(void *ctx);
+ __s32 (*object_code)(void *ctx, __u64 ip, void *buf, __u32 len);
+ void (*al_cleanup)(void *ctx, struct perf_dlfilter_al *al);
+ void *(*reserved[119])(void *);
+};
+----
+
+'resolve_ip' returns information about ip.
+
+'resolve_addr' returns information about addr (if addr_correlates_sym).
+
+'args' returns arguments from --dlarg options.
+
+'resolve_address' provides information about 'address'. al->size must be set
+before calling. Returns 0 on success, -1 otherwise. Call al_cleanup() (if present,
+see below) when 'al' data is no longer needed.
+
+'insn' returns instruction bytes and length.
+
+'srcline' return source file name and line number.
+
+'attr' returns perf_event_attr, refer <linux/perf_event.h>.
+
+'object_code' reads object code and returns the number of bytes read.
+
+'al_cleanup' must be called (if present, so check perf_dlfilter_fns.al_cleanup != NULL)
+after resolve_address() to free any associated resources.
+
+Do not assume pointers obtained via perf_dlfilter_fns are valid (dereferenceable)
+after 'filter_event' and 'filter_event_early' return.
+
+The perf_dlfilter_al structure
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The 'perf_dlfilter_al' structure contains information about an address.
+
+[source,c]
+----
+/*
+ * Address location (as per perf script)
+ */
+struct perf_dlfilter_al {
+ __u32 size; /* Size of this structure (for compatibility checking) */
+ __u32 symoff;
+ const char *sym;
+ __u64 addr; /* Mapped address (from dso) */
+ __u64 sym_start;
+ __u64 sym_end;
+ const char *dso;
+ __u8 sym_binding; /* STB_LOCAL, STB_GLOBAL or STB_WEAK, refer <elf.h> */
+ __u8 is_64_bit; /* Only valid if dso is not NULL */
+ __u8 is_kernel_ip; /* True if in kernel space */
+ __u32 buildid_size;
+ __u8 *buildid;
+ /* Below members are only populated by resolve_ip() */
+ __u8 filtered; /* true if this sample event will be filtered out */
+ const char *comm;
+ void *priv; /* Private data. Do not change */
+};
+----
+
+Do not assume data referenced by pointers in struct perf_dlfilter_al
+is valid (dereferenceable) after 'filter_event' and 'filter_event_early' return.
+
+perf_dlfilter_sample flags
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The 'flags' member of 'perf_dlfilter_sample' corresponds with the flags field
+of perf script. The bits of the flags are as follows:
+
+[source,c]
+----
+/* Definitions for perf_dlfilter_sample flags */
+enum {
+ PERF_DLFILTER_FLAG_BRANCH = 1ULL << 0,
+ PERF_DLFILTER_FLAG_CALL = 1ULL << 1,
+ PERF_DLFILTER_FLAG_RETURN = 1ULL << 2,
+ PERF_DLFILTER_FLAG_CONDITIONAL = 1ULL << 3,
+ PERF_DLFILTER_FLAG_SYSCALLRET = 1ULL << 4,
+ PERF_DLFILTER_FLAG_ASYNC = 1ULL << 5,
+ PERF_DLFILTER_FLAG_INTERRUPT = 1ULL << 6,
+ PERF_DLFILTER_FLAG_TX_ABORT = 1ULL << 7,
+ PERF_DLFILTER_FLAG_TRACE_BEGIN = 1ULL << 8,
+ PERF_DLFILTER_FLAG_TRACE_END = 1ULL << 9,
+ PERF_DLFILTER_FLAG_IN_TX = 1ULL << 10,
+ PERF_DLFILTER_FLAG_VMENTRY = 1ULL << 11,
+ PERF_DLFILTER_FLAG_VMEXIT = 1ULL << 12,
+};
+----
+
+EXAMPLE
+-------
+
+Filter out everything except branches from "foo" to "bar":
+
+[source,c]
+----
+#include <perf/perf_dlfilter.h>
+#include <string.h>
+
+struct perf_dlfilter_fns perf_dlfilter_fns;
+
+int filter_event(void *data, const struct perf_dlfilter_sample *sample, void *ctx)
+{
+ const struct perf_dlfilter_al *al;
+ const struct perf_dlfilter_al *addr_al;
+
+ if (!sample->ip || !sample->addr_correlates_sym)
+ return 1;
+
+ al = perf_dlfilter_fns.resolve_ip(ctx);
+ if (!al || !al->sym || strcmp(al->sym, "foo"))
+ return 1;
+
+ addr_al = perf_dlfilter_fns.resolve_addr(ctx);
+ if (!addr_al || !addr_al->sym || strcmp(addr_al->sym, "bar"))
+ return 1;
+
+ return 0;
+}
+----
+
+To build the shared object, assuming perf has been installed for the local user
+i.e. perf_dlfilter.h is in ~/include/perf :
+
+ gcc -c -I ~/include -fpic dlfilter-example.c
+ gcc -shared -o dlfilter-example.so dlfilter-example.o
+
+To use the filter with perf script:
+
+ perf script --dlfilter dlfilter-example.so
+
+NOTES
+-----
+
+The dlfilter .so file will be dependent on shared libraries. If those change,
+it may be necessary to rebuild the .so. Also there may be unexpected results
+if the .so uses different versions of the shared libraries that perf uses.
+Versions can be checked using the ldd command.
+
+SEE ALSO
+--------
+linkperf:perf-script[1]
diff --git a/tools/perf/Documentation/perf-evlist.txt b/tools/perf/Documentation/perf-evlist.txt
index 6f7200fb85cf..9af8b8dfb7b6 100644
--- a/tools/perf/Documentation/perf-evlist.txt
+++ b/tools/perf/Documentation/perf-evlist.txt
@@ -20,12 +20,16 @@ OPTIONS
--input=::
Input file name. (default: perf.data unless stdin is a fifo)
+-f::
+--force::
+ Don't complain, do it.
+
-F::
--freq=::
Show just the sample frequency used for each event.
-v::
---verbose=::
+--verbose::
Show all fields.
-g::
diff --git a/tools/perf/Documentation/perf-ftrace.txt b/tools/perf/Documentation/perf-ftrace.txt
index 6e6a8b22c859..3f3808e513fe 100644
--- a/tools/perf/Documentation/perf-ftrace.txt
+++ b/tools/perf/Documentation/perf-ftrace.txt
@@ -1,5 +1,5 @@
perf-ftrace(1)
-=============
+==============
NAME
----
@@ -9,31 +9,35 @@ perf-ftrace - simple wrapper for kernel's ftrace functionality
SYNOPSIS
--------
[verse]
-'perf ftrace' <command>
+'perf ftrace' {trace|latency|profile} <command>
DESCRIPTION
-----------
-The 'perf ftrace' command is a simple wrapper of kernel's ftrace
-functionality. It only supports single thread tracing currently and
-just reads trace_pipe in text and then write it to stdout.
+The 'perf ftrace' command provides a collection of subcommands which use
+kernel's ftrace infrastructure.
-The following options apply to perf ftrace.
+ 'perf ftrace trace' is a simple wrapper of the ftrace. It only supports
+ single thread tracing currently and just reads trace_pipe in text and then
+ write it to stdout.
-OPTIONS
--------
+ 'perf ftrace latency' calculates execution latency of a given function
+ (optionally with BPF) and display it as a histogram.
--t::
---tracer=::
- Tracer to use: function_graph or function.
+ 'perf ftrace profile' show a execution profile for each function including
+ total, average, max time and the number of calls.
--v::
---verbose=::
- Verbosity level.
+The following options apply to perf ftrace.
+
+COMMON OPTIONS
+--------------
-p::
--pid=::
Trace on existing process id (comma separated list).
+--tid=::
+ Trace on existing thread id (comma separated list).
+
-a::
--all-cpus::
Force system-wide collection. Scripts run without a <command>
@@ -48,6 +52,173 @@ OPTIONS
Ranges of CPUs are specified with -: 0-2.
Default is to trace on all online CPUs.
+-v::
+--verbose::
+ Increase the verbosity level.
+
+
+OPTIONS for 'perf ftrace trace'
+-------------------------------
+
+-t::
+--tracer=::
+ Tracer to use when neither -G nor -F option is not
+ specified: function_graph or function.
+
+-F::
+--funcs::
+ List available functions to trace. It accepts a pattern to
+ only list interested functions.
+
+-D::
+--delay::
+ Time (ms) to wait before starting tracing after program start.
+
+-m::
+--buffer-size::
+ Set the size of per-cpu tracing buffer, <size> is expected to
+ be a number with appended unit character - B/K/M/G.
+
+--inherit::
+ Trace children processes spawned by our target.
+
+-T::
+--trace-funcs=::
+ Select function tracer and set function filter on the given
+ function (or a glob pattern). Multiple functions can be given
+ by using this option more than once. The function argument also
+ can be a glob pattern. It will be passed to 'set_ftrace_filter'
+ in tracefs.
+
+-N::
+--notrace-funcs=::
+ Select function tracer and do not trace functions given by the
+ argument. Like -T option, this can be used more than once to
+ specify multiple functions (or glob patterns). It will be
+ passed to 'set_ftrace_notrace' in tracefs.
+
+--func-opts::
+ List of options allowed to set:
+
+ - call-graph - Display kernel stack trace for function tracer.
+ - irq-info - Display irq context info for function tracer.
+
+-G::
+--graph-funcs=::
+ Select function_graph tracer and set graph filter on the given
+ function (or a glob pattern). This is useful to trace for
+ functions executed from the given function. This can be used more
+ than once to specify multiple functions. It will be passed to
+ 'set_graph_function' in tracefs.
+
+-g::
+--nograph-funcs=::
+ Select function_graph tracer and set graph notrace filter on the
+ given function (or a glob pattern). Like -G option, this is useful
+ for the function_graph tracer only and disables tracing for function
+ executed from the given function. This can be used more than once to
+ specify multiple functions. It will be passed to 'set_graph_notrace'
+ in tracefs.
+
+--graph-opts::
+ List of options allowed to set:
+
+ - args - Show function arguments.
+ - retval - Show function return value.
+ - retval-hex - Show function return value in hexadecimal format.
+ - retaddr - Show function return address.
+ - nosleep-time - Measure on-CPU time only for function_graph tracer.
+ - noirqs - Ignore functions that happen inside interrupt.
+ - verbose - Show process names, PIDs, timestamps, etc.
+ - thresh=<n> - Setup trace duration threshold in microseconds.
+ - depth=<n> - Set max depth for function graph tracer to follow.
+ - tail - Print function name at the end.
+
+
+OPTIONS for 'perf ftrace latency'
+---------------------------------
+
+-T::
+--trace-funcs=::
+ Set the function name to get the histogram. Unlike perf ftrace trace,
+ it only allows single function to calculate the histogram.
+
+-e::
+--events=::
+ Set the pair of events to get the histogram. The histogram is calculated
+ by the time difference between the two events from the same thread. This
+ requires -b/--use-bpf option.
+
+-b::
+--use-bpf::
+ Use BPF to measure function latency instead of using the ftrace (it
+ uses function_graph tracer internally).
+
+-n::
+--use-nsec::
+ Use nano-second instead of micro-second as a base unit of the histogram.
+
+--bucket-range=::
+ Bucket range in ms or ns (according to -n/--use-nsec), default is log2() mode.
+
+--min-latency=::
+ Minimum latency for the start of the first bucket, in ms or ns (according to
+ -n/--use-nsec).
+
+--max-latency=::
+ Maximum latency for the start of the last bucket, in ms or ns (according to
+ -n/--use-nsec). The setting is ignored if the value results in more than
+ 22 buckets.
+
+OPTIONS for 'perf ftrace profile'
+---------------------------------
+
+-T::
+--trace-funcs=::
+ Set function filter on the given function (or a glob pattern).
+ Multiple functions can be given by using this option more than once.
+ The function argument also can be a glob pattern. It will be passed
+ to 'set_ftrace_filter' in tracefs.
+
+-N::
+--notrace-funcs=::
+ Do not trace functions given by the argument. Like -T option, this
+ can be used more than once to specify multiple functions (or glob
+ patterns). It will be passed to 'set_ftrace_notrace' in tracefs.
+
+-G::
+--graph-funcs=::
+ Set graph filter on the given function (or a glob pattern). This is
+ useful to trace for functions executed from the given function. This
+ can be used more than once to specify multiple functions. It will be
+ passed to 'set_graph_function' in tracefs.
+
+-g::
+--nograph-funcs=::
+ Set graph notrace filter on the given function (or a glob pattern).
+ Like -G option, this is useful for the function_graph tracer only and
+ disables tracing for function executed from the given function. This
+ can be used more than once to specify multiple functions. It will be
+ passed to 'set_graph_notrace' in tracefs.
+
+-m::
+--buffer-size::
+ Set the size of per-cpu tracing buffer, <size> is expected to
+ be a number with appended unit character - B/K/M/G.
+
+-s::
+--sort=::
+ Sort the result by the given field. Available values are:
+ total, avg, max, count, name. Default is 'total'.
+
+--graph-opts::
+ List of options allowed to set:
+
+ - nosleep-time - Measure on-CPU time only for function_graph tracer.
+ - noirqs - Ignore functions that happen inside interrupt.
+ - thresh=<n> - Setup trace duration threshold in microseconds.
+ - depth=<n> - Set max depth for function graph tracer to follow.
+
SEE ALSO
--------
diff --git a/tools/perf/Documentation/perf-inject.txt b/tools/perf/Documentation/perf-inject.txt
index 87b2588d1cbd..c972032f4ca0 100644
--- a/tools/perf/Documentation/perf-inject.txt
+++ b/tools/perf/Documentation/perf-inject.txt
@@ -24,8 +24,19 @@ information could make use of this facility.
OPTIONS
-------
-b::
---build-ids=::
- Inject build-ids into the output stream
+--build-ids::
+ Inject build-ids of DSOs hit by samples into the output stream.
+ This means it needs to process all SAMPLE records to find the DSOs.
+
+--buildid-all::
+ Inject build-ids of all DSOs into the output stream regardless of hits
+ and skip SAMPLE processing.
+
+--known-build-ids=::
+ Override build-ids to inject using these comma-separated pairs of
+ build-id and path. Understands file://filename to read these pairs
+ from a file, which can be generated with perf buildid-list.
+
-v::
--verbose::
Be more verbose.
@@ -41,6 +52,13 @@ OPTIONS
tasks slept. sched_switch contains a callchain where a task slept and
sched_stat contains a timeslice how long a task slept.
+-k::
+--vmlinux=<file>::
+ vmlinux pathname
+
+--ignore-vmlinux::
+ Ignore vmlinux files.
+
--kallsyms=<file>::
kallsyms pathname
@@ -60,6 +78,42 @@ include::itrace.txt[]
found in the jitdumps files captured in the input perf.data file. Use this option
if you are monitoring environment using JIT runtimes, such as Java, DART or V8.
+-f::
+--force::
+ Don't complain, do it.
+
+--vm-time-correlation[=OPTIONS]::
+ Some architectures may capture AUX area data which contains timestamps
+ affected by virtualization. This option will update those timestamps
+ in place, to correlate with host timestamps. The in-place update means
+ that an output file is not specified, and instead the input file is
+ modified. The options are architecture specific, except that they may
+ start with "dry-run" which will cause the file to be processed but
+ without updating it. Currently this option is supported only by
+ Intel PT, refer linkperf:perf-intel-pt[1]
+
+--guest-data=<path>,<pid>[,<time offset>[,<time scale>]]::
+ Insert events from a perf.data file recorded in a virtual machine at
+ the same time as the input perf.data file was recorded on the host.
+ The Process ID (PID) of the QEMU hypervisor process must be provided,
+ and the time offset and time scale (multiplier) will likely be needed
+ to convert guest time stamps into host time stamps. For example, for
+ x86 the TSC Offset and Multiplier could be provided for a virtual machine
+ using Linux command line option no-kvmclock.
+ Currently only mmap, mmap2, comm, task, context_switch, ksymbol,
+ and text_poke events are inserted, as well as build ID information.
+ The QEMU option -name debug-threads=on is needed so that thread names
+ can be used to determine which thread is running which VCPU. Note
+ libvirt seems to use this by default.
+ When using perf record in the guest, option --sample-identifier
+ should be used, and also --buildid-all and --switch-events may be
+ useful.
+
+:GMEXAMPLECMD: inject
+:GMEXAMPLESUBCMD:
+include::guestmount.txt[]
+
SEE ALSO
--------
-linkperf:perf-record[1], linkperf:perf-report[1], linkperf:perf-archive[1]
+linkperf:perf-record[1], linkperf:perf-report[1], linkperf:perf-archive[1],
+linkperf:perf-intel-pt[1]
diff --git a/tools/perf/Documentation/perf-intel-pt.txt b/tools/perf/Documentation/perf-intel-pt.txt
new file mode 100644
index 000000000000..cc0f37f0fa5a
--- /dev/null
+++ b/tools/perf/Documentation/perf-intel-pt.txt
@@ -0,0 +1,2038 @@
+perf-intel-pt(1)
+================
+
+NAME
+----
+perf-intel-pt - Support for Intel Processor Trace within perf tools
+
+SYNOPSIS
+--------
+[verse]
+'perf record' -e intel_pt//
+
+DESCRIPTION
+-----------
+
+Intel Processor Trace (Intel PT) is an extension of Intel Architecture that
+collects information about software execution such as control flow, execution
+modes and timings and formats it into highly compressed binary packets.
+Technical details are documented in the Intel 64 and IA-32 Architectures
+Software Developer Manuals, Chapter 36 Intel Processor Trace.
+
+Intel PT is first supported in Intel Core M and 5th generation Intel Core
+processors that are based on the Intel micro-architecture code name Broadwell.
+
+Trace data is collected by 'perf record' and stored within the perf.data file.
+See below for options to 'perf record'.
+
+Trace data must be 'decoded' which involves walking the object code and matching
+the trace data packets. For example a TNT packet only tells whether a
+conditional branch was taken or not taken, so to make use of that packet the
+decoder must know precisely which instruction was being executed.
+
+Decoding is done on-the-fly. The decoder outputs samples in the same format as
+samples output by perf hardware events, for example as though the "instructions"
+or "branches" events had been recorded. Presently 3 tools support this:
+'perf script', 'perf report' and 'perf inject'. See below for more information
+on using those tools.
+
+The main distinguishing feature of Intel PT is that the decoder can determine
+the exact flow of software execution. Intel PT can be used to understand why
+and how did software get to a certain point, or behave a certain way. The
+software does not have to be recompiled, so Intel PT works with debug or release
+builds, however the executed images are needed - which makes use in JIT-compiled
+environments, or with self-modified code, a challenge. Also symbols need to be
+provided to make sense of addresses.
+
+A limitation of Intel PT is that it produces huge amounts of trace data
+(hundreds of megabytes per second per core) which takes a long time to decode,
+for example two or three orders of magnitude longer than it took to collect.
+Another limitation is the performance impact of tracing, something that will
+vary depending on the use-case and architecture.
+
+
+Quickstart
+----------
+
+It is important to start small. That is because it is easy to capture vastly
+more data than can possibly be processed.
+
+The simplest thing to do with Intel PT is userspace profiling of small programs.
+Data is captured with 'perf record' e.g. to trace 'ls' userspace-only:
+
+ perf record -e intel_pt//u ls
+
+And profiled with 'perf report' e.g.
+
+ perf report
+
+To also trace kernel space presents a problem, namely kernel self-modifying
+code. A fairly good kernel image is available in /proc/kcore but to get an
+accurate image a copy of /proc/kcore needs to be made under the same conditions
+as the data capture. 'perf record' can make a copy of /proc/kcore if the option
+--kcore is used, but access to /proc/kcore is restricted e.g.
+
+ sudo perf record -o pt_ls --kcore -e intel_pt// -- ls
+
+which will create a directory named 'pt_ls' and put the perf.data file (named
+simply 'data') and copies of /proc/kcore, /proc/kallsyms and /proc/modules into
+it. The other tools understand the directory format, so to use 'perf report'
+becomes:
+
+ sudo perf report -i pt_ls
+
+Because samples are synthesized after-the-fact, the sampling period can be
+selected for reporting. e.g. sample every microsecond
+
+ sudo perf report pt_ls --itrace=i1usge
+
+See the sections below for more information about the --itrace option.
+
+Beware the smaller the period, the more samples that are produced, and the
+longer it takes to process them.
+
+Also note that the coarseness of Intel PT timing information will start to
+distort the statistical value of the sampling as the sampling period becomes
+smaller.
+
+To represent software control flow, "branches" samples are produced. By default
+a branch sample is synthesized for every single branch. To get an idea what
+data is available you can use the 'perf script' tool with all itrace sampling
+options, which will list all the samples.
+
+ perf record -e intel_pt//u ls
+ perf script --itrace=iybxwpe
+
+An interesting field that is not printed by default is 'flags' which can be
+displayed as follows:
+
+ perf script --itrace=iybxwpe -F+flags
+
+The flags are "bcrosyiABExghDt" which stand for branch, call, return, conditional,
+system, asynchronous, interrupt, transaction abort, trace begin, trace end,
+in transaction, VM-entry, VM-exit, interrupt disabled, and interrupt disable
+toggle respectively.
+
+perf script also supports higher level ways to dump instruction traces:
+
+ perf script --insn-trace=disasm
+
+or to use the xed disassembler, which requires installing the xed tool
+(see XED below):
+
+ perf script --insn-trace --xed
+
+Dumping all instructions in a long trace can be fairly slow. It is usually better
+to start with higher level decoding, like
+
+ perf script --call-trace
+
+or
+
+ perf script --call-ret-trace
+
+and then select a time range of interest. The time range can then be examined
+in detail with
+
+ perf script --time starttime,stoptime --insn-trace=disasm
+
+While examining the trace it's also useful to filter on specific CPUs using
+the -C option
+
+ perf script --time starttime,stoptime --insn-trace=disasm -C 1
+
+Dump all instructions in time range on CPU 1.
+
+Another interesting field that is not printed by default is 'ipc' which can be
+displayed as follows:
+
+ perf script --itrace=be -F+ipc
+
+There are two ways that instructions-per-cycle (IPC) can be calculated depending
+on the recording.
+
+If the 'cyc' config term (see <<_config_terms,config terms>> section below) was used, then IPC
+and cycle events are calculated using the cycle count from CYC packets, otherwise
+MTC packets are used - refer to the 'mtc' config term. When MTC is used, however,
+the values are less accurate because the timing is less accurate.
+
+Because Intel PT does not update the cycle count on every branch or instruction,
+the values will often be zero. When there are values, they will be the number
+of instructions and number of cycles since the last update, and thus represent
+the average IPC cycle count since the last IPC for that event type.
+Note IPC for "branches" events is calculated separately from IPC for "instructions"
+events.
+
+Even with the 'cyc' config term, it is possible to produce IPC information for
+every change of timestamp, but at the expense of accuracy. That is selected by
+specifying the itrace 'A' option. Due to the granularity of timestamps, the
+actual number of cycles increases even though the cycles reported does not.
+The number of instructions is known, but if IPC is reported, cycles can be too
+low and so IPC is too high. Note that inaccuracy decreases as the period of
+sampling increases i.e. if the number of cycles is too low by a small amount,
+that becomes less significant if the number of cycles is large. It may also be
+useful to use the 'A' option in conjunction with dlfilter-show-cycles.so to
+provide higher granularity cycle information.
+
+Also note that the IPC instruction count may or may not include the current
+instruction. If the cycle count is associated with an asynchronous branch
+(e.g. page fault or interrupt), then the instruction count does not include the
+current instruction, otherwise it does. That is consistent with whether or not
+that instruction has retired when the cycle count is updated.
+
+Another note, in the case of "branches" events, non-taken branches are not
+presently sampled, so IPC values for them do not appear e.g. a CYC packet with a
+TNT packet that starts with a non-taken branch. To see every possible IPC
+value, "instructions" events can be used e.g. --itrace=i0ns
+
+While it is possible to create scripts to analyze the data, an alternative
+approach is available to export the data to a sqlite or postgresql database.
+Refer to script export-to-sqlite.py or export-to-postgresql.py for more details,
+and to script exported-sql-viewer.py for an example of using the database.
+
+There is also script intel-pt-events.py which provides an example of how to
+unpack the raw data for power events and PTWRITE. The script also displays
+branches, and supports 2 additional modes selected by option:
+
+ - --insn-trace - instruction trace
+ - --src-trace - source trace
+
+The intel-pt-events.py script also has options:
+
+ - --all-switch-events - display all switch events, not only the last consecutive.
+ - --interleave [<n>] - interleave sample output for the same timestamp so that
+ no more than n samples for a CPU are displayed in a row. 'n' defaults to 4.
+ Note this only affects the order of output, and only when the timestamp is the
+ same.
+
+As mentioned above, it is easy to capture too much data. One way to limit the
+data captured is to use 'snapshot' mode which is explained further below.
+Refer to 'new snapshot option' and 'Intel PT modes of operation' further below.
+
+Another problem that will be experienced is decoder errors. They can be caused
+by inability to access the executed image, self-modified or JIT-ed code, or the
+inability to match side-band information (such as context switches and mmaps)
+which results in the decoder not knowing what code was executed.
+
+There is also the problem of perf not being able to copy the data fast enough,
+resulting in data lost because the buffer was full. See 'Buffer handling' below
+for more details.
+
+
+perf record
+-----------
+
+new event
+~~~~~~~~~
+
+The Intel PT kernel driver creates a new PMU for Intel PT. PMU events are
+selected by providing the PMU name followed by the "config" separated by slashes.
+An enhancement has been made to allow default "config" e.g. the option
+
+ -e intel_pt//
+
+will use a default config value. Currently that is the same as
+
+ -e intel_pt/tsc,noretcomp=0/
+
+which is the same as
+
+ -e intel_pt/tsc=1,noretcomp=0/
+
+Note there are other config terms - see section <<_config_terms,config terms>> further below.
+
+The config terms are listed in /sys/devices/intel_pt/format. They are bit
+fields within the config member of the struct perf_event_attr which is
+passed to the kernel by the perf_event_open system call. They correspond to bit
+fields in the IA32_RTIT_CTL MSR. Here is a list of them and their definitions:
+
+ $ grep -H . /sys/bus/event_source/devices/intel_pt/format/*
+ /sys/bus/event_source/devices/intel_pt/format/cyc:config:1
+ /sys/bus/event_source/devices/intel_pt/format/cyc_thresh:config:19-22
+ /sys/bus/event_source/devices/intel_pt/format/mtc:config:9
+ /sys/bus/event_source/devices/intel_pt/format/mtc_period:config:14-17
+ /sys/bus/event_source/devices/intel_pt/format/noretcomp:config:11
+ /sys/bus/event_source/devices/intel_pt/format/psb_period:config:24-27
+ /sys/bus/event_source/devices/intel_pt/format/tsc:config:10
+
+Note that the default config must be overridden for each term i.e.
+
+ -e intel_pt/noretcomp=0/
+
+is the same as:
+
+ -e intel_pt/tsc=1,noretcomp=0/
+
+So, to disable TSC packets use:
+
+ -e intel_pt/tsc=0/
+
+It is also possible to specify the config value explicitly:
+
+ -e intel_pt/config=0x400/
+
+Note that, as with all events, the event is suffixed with event modifiers:
+
+ u userspace
+ k kernel
+ h hypervisor
+ G guest
+ H host
+ p precise ip
+
+'h', 'G' and 'H' are for virtualization which are not used by Intel PT.
+'p' is also not relevant to Intel PT. So only options 'u' and 'k' are
+meaningful for Intel PT.
+
+perf_event_attr is displayed if the -vv option is used e.g.
+
+ ------------------------------------------------------------
+ perf_event_attr:
+ type 6
+ size 112
+ config 0x400
+ { sample_period, sample_freq } 1
+ sample_type IP|TID|TIME|CPU|IDENTIFIER
+ read_format ID
+ disabled 1
+ inherit 1
+ exclude_kernel 1
+ exclude_hv 1
+ enable_on_exec 1
+ sample_id_all 1
+ ------------------------------------------------------------
+ sys_perf_event_open: pid 31104 cpu 0 group_fd -1 flags 0x8
+ sys_perf_event_open: pid 31104 cpu 1 group_fd -1 flags 0x8
+ sys_perf_event_open: pid 31104 cpu 2 group_fd -1 flags 0x8
+ sys_perf_event_open: pid 31104 cpu 3 group_fd -1 flags 0x8
+ ------------------------------------------------------------
+
+
+config terms
+~~~~~~~~~~~~
+
+Config terms are parameters specified with the -e intel_pt// event option,
+for example:
+
+ -e intel_pt/cyc/
+
+which selects cycle accurate mode. Each config term can have a value which
+defaults to 1, so the above is the same as:
+
+ -e intel_pt/cyc=1/
+
+Some terms are set by default, so must be set to 0 to turn them off. For
+example, to turn off branch tracing:
+
+ -e intel_pt/branch=0/
+
+Multiple config terms are separated by commas, for example:
+
+ -e intel_pt/cyc,mtc_period=9/
+
+There are also common config terms, see linkperf:perf-record[1] documentation.
+
+Intel PT config terms are described below.
+
+*tsc*::
+Always supported. Produces TSC timestamp packets to provide
+timing information. In some cases it is possible to decode
+without timing information, for example a per-thread context
+that does not overlap executable memory maps.
++
+The default config selects tsc (i.e. tsc=1).
+
+*noretcomp*::
+Always supported. Disables "return compression" so a TIP packet
+is produced when a function returns. Causes more packets to be
+produced but might make decoding more reliable.
++
+The default config does not select noretcomp (i.e. noretcomp=0).
+
+*psb_period*::
+Allows the frequency of PSB packets to be specified.
++
+The PSB packet is a synchronization packet that provides a
+starting point for decoding or recovery from errors.
++
+Support for psb_period is indicated by:
++
+ /sys/bus/event_source/devices/intel_pt/caps/psb_cyc
++
+which contains "1" if the feature is supported and "0"
+otherwise.
++
+Valid values are given by:
++
+ /sys/bus/event_source/devices/intel_pt/caps/psb_periods
++
+which contains a hexadecimal value, the bits of which represent
+valid values e.g. bit 2 set means value 2 is valid.
++
+The psb_period value is converted to the approximate number of
+trace bytes between PSB packets as:
++
+ 2 ^ (value + 11)
++
+e.g. value 3 means 16KiB bytes between PSBs
++
+If an invalid value is entered, the error message
+will give a list of valid values e.g.
++
+ $ perf record -e intel_pt/psb_period=15/u uname
+ Invalid psb_period for intel_pt. Valid values are: 0-5
++
+If MTC packets are selected, the default config selects a value
+of 3 (i.e. psb_period=3) or the nearest lower value that is
+supported (0 is always supported). Otherwise the default is 0.
++
+If decoding is expected to be reliable and the buffer is large
+then a large PSB period can be used.
++
+Because a TSC packet is produced with PSB, the PSB period can
+also affect the granularity to timing information in the absence
+of MTC or CYC.
+
+*mtc*::
+Produces MTC timing packets.
++
+MTC packets provide finer grain timestamp information than TSC
+packets. MTC packets record time using the hardware crystal
+clock (CTC) which is related to TSC packets using a TMA packet.
++
+Support for this feature is indicated by:
++
+ /sys/bus/event_source/devices/intel_pt/caps/mtc
++
+which contains "1" if the feature is supported and
+"0" otherwise.
++
+The frequency of MTC packets can also be specified - see
+mtc_period below.
+
+*mtc_period*::
+Specifies how frequently MTC packets are produced - see mtc
+above for how to determine if MTC packets are supported.
++
+Valid values are given by:
++
+ /sys/bus/event_source/devices/intel_pt/caps/mtc_periods
++
+which contains a hexadecimal value, the bits of which represent
+valid values e.g. bit 2 set means value 2 is valid.
++
+The mtc_period value is converted to the MTC frequency as:
+
+ CTC-frequency / (2 ^ value)
++
+e.g. value 3 means one eighth of CTC-frequency
++
+Where CTC is the hardware crystal clock, the frequency of which
+can be related to TSC via values provided in cpuid leaf 0x15.
++
+If an invalid value is entered, the error message
+will give a list of valid values e.g.
++
+ $ perf record -e intel_pt/mtc_period=15/u uname
+ Invalid mtc_period for intel_pt. Valid values are: 0,3,6,9
++
+The default value is 3 or the nearest lower value
+that is supported (0 is always supported).
+
+*cyc*::
+Produces CYC timing packets.
++
+CYC packets provide even finer grain timestamp information than
+MTC and TSC packets. A CYC packet contains the number of CPU
+cycles since the last CYC packet. Unlike MTC and TSC packets,
+CYC packets are only sent when another packet is also sent.
++
+Support for this feature is indicated by:
++
+ /sys/bus/event_source/devices/intel_pt/caps/psb_cyc
++
+which contains "1" if the feature is supported and
+"0" otherwise.
++
+The number of CYC packets produced can be reduced by specifying
+a threshold - see cyc_thresh below.
+
+*cyc_thresh*::
+Specifies how frequently CYC packets are produced - see cyc
+above for how to determine if CYC packets are supported.
++
+Valid cyc_thresh values are given by:
++
+ /sys/bus/event_source/devices/intel_pt/caps/cycle_thresholds
++
+which contains a hexadecimal value, the bits of which represent
+valid values e.g. bit 2 set means value 2 is valid.
++
+The cyc_thresh value represents the minimum number of CPU cycles
+that must have passed before a CYC packet can be sent. The
+number of CPU cycles is:
++
+ 2 ^ (value - 1)
++
+e.g. value 4 means 8 CPU cycles must pass before a CYC packet
+can be sent. Note a CYC packet is still only sent when another
+packet is sent, not at, e.g. every 8 CPU cycles.
++
+If an invalid value is entered, the error message
+will give a list of valid values e.g.
++
+ $ perf record -e intel_pt/cyc,cyc_thresh=15/u uname
+ Invalid cyc_thresh for intel_pt. Valid values are: 0-12
++
+CYC packets are not requested by default.
+
+*pt*::
+Specifies pass-through which enables the 'branch' config term.
++
+The default config selects 'pt' if it is available, so a user will
+never need to specify this term.
+
+*branch*::
+Enable branch tracing. Branch tracing is enabled by default so to
+disable branch tracing use 'branch=0'.
++
+The default config selects 'branch' if it is available.
+
+*ptw*::
+Enable PTWRITE packets which are produced when a ptwrite instruction
+is executed.
++
+Support for this feature is indicated by:
++
+ /sys/bus/event_source/devices/intel_pt/caps/ptwrite
++
+which contains "1" if the feature is supported and
+"0" otherwise.
++
+As an alternative, refer to "Emulated PTWRITE" further below.
+
+*fup_on_ptw*::
+Enable a FUP packet to follow the PTWRITE packet. The FUP packet
+provides the address of the ptwrite instruction. In the absence of
+fup_on_ptw, the decoder will use the address of the previous branch
+if branch tracing is enabled, otherwise the address will be zero.
+Note that fup_on_ptw will work even when branch tracing is disabled.
+
+*pwr_evt*::
+Enable power events. The power events provide information about
+changes to the CPU C-state.
++
+Support for this feature is indicated by:
++
+ /sys/bus/event_source/devices/intel_pt/caps/power_event_trace
++
+which contains "1" if the feature is supported and
+"0" otherwise.
+
+*event*::
+Enable Event Trace. The events provide information about asynchronous
+events.
++
+Support for this feature is indicated by:
++
+ /sys/bus/event_source/devices/intel_pt/caps/event_trace
++
+which contains "1" if the feature is supported and
+"0" otherwise.
+
+*notnt*::
+Disable TNT packets. Without TNT packets, it is not possible to walk
+executable code to reconstruct control flow, however FUP, TIP, TIP.PGE
+and TIP.PGD packets still indicate asynchronous control flow, and (if
+return compression is disabled - see noretcomp) return statements.
+The advantage of eliminating TNT packets is reducing the size of the
+trace and corresponding tracing overhead.
++
+Support for this feature is indicated by:
++
+ /sys/bus/event_source/devices/intel_pt/caps/tnt_disable
++
+which contains "1" if the feature is supported and
+"0" otherwise.
+
+*aux-action=start-paused*::
+Start tracing paused, refer to the section <<_pause_or_resume_tracing,Pause or Resume Tracing>>
+
+
+config terms on other events
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Some Intel PT features work with other events, features such as AUX area sampling
+and PEBS-via-PT. In those cases, the other events can have config terms below:
+
+*aux-sample-size*::
+ Used to set the AUX area sample size, refer to the section
+ <<_aux_area_sampling_option,AUX area sampling option>>
+
+*aux-output*::
+ Used to select PEBS-via-PT, refer to the
+ section <<_pebs_via_intel_pt,PEBS via Intel PT>>
+
+*aux-action*::
+ Used to pause or resume tracing, refer to the section
+ <<_pause_or_resume_tracing,Pause or Resume Tracing>>
+
+AUX area sampling option
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+To select Intel PT "sampling" the AUX area sampling option can be used:
+
+ --aux-sample
+
+Optionally it can be followed by the sample size in bytes e.g.
+
+ --aux-sample=8192
+
+In addition, the Intel PT event to sample must be defined e.g.
+
+ -e intel_pt//u
+
+Samples on other events will be created containing Intel PT data e.g. the
+following will create Intel PT samples on the branch-misses event, note the
+events must be grouped using {}:
+
+ perf record --aux-sample -e '{intel_pt//u,branch-misses:u}'
+
+An alternative to '--aux-sample' is to add the config term 'aux-sample-size' to
+events. In this case, the grouping is implied e.g.
+
+ perf record -e intel_pt//u -e branch-misses/aux-sample-size=8192/u
+
+is the same as:
+
+ perf record -e '{intel_pt//u,branch-misses/aux-sample-size=8192/u}'
+
+but allows for also using an address filter e.g.:
+
+ perf record -e intel_pt//u --filter 'filter * @/bin/ls' -e branch-misses/aux-sample-size=8192/u -- ls
+
+It is important to select a sample size that is big enough to contain at least
+one PSB packet. If not a warning will be displayed:
+
+ Intel PT sample size (%zu) may be too small for PSB period (%zu)
+
+The calculation used for that is: if sample_size <= psb_period + 256 display the
+warning. When sampling is used, psb_period defaults to 0 (2KiB).
+
+The default sample size is 4KiB.
+
+The sample size is passed in aux_sample_size in struct perf_event_attr. The
+sample size is limited by the maximum event size which is 64KiB. It is
+difficult to know how big the event might be without the trace sample attached,
+but the tool validates that the sample size is not greater than 60KiB.
+
+
+new snapshot option
+~~~~~~~~~~~~~~~~~~~
+
+The difference between full trace and snapshot from the kernel's perspective is
+that in full trace we don't overwrite trace data that the user hasn't collected
+yet (and indicated that by advancing aux_tail), whereas in snapshot mode we let
+the trace run and overwrite older data in the buffer so that whenever something
+interesting happens, we can stop it and grab a snapshot of what was going on
+around that interesting moment.
+
+To select snapshot mode a new option has been added:
+
+ -S
+
+Optionally it can be followed by the snapshot size e.g.
+
+ -S0x100000
+
+The default snapshot size is the auxtrace mmap size. If neither auxtrace mmap size
+nor snapshot size is specified, then the default is 4MiB for privileged users
+(or if /proc/sys/kernel/perf_event_paranoid < 0), 128KiB for unprivileged users.
+If an unprivileged user does not specify mmap pages, the mmap pages will be
+reduced as described in the <<_new_auxtrace_mmap_size_option,new auxtrace mmap size option>>
+section below.
+
+The snapshot size is displayed if the option -vv is used e.g.
+
+ Intel PT snapshot size: %zu
+
+
+new auxtrace mmap size option
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Intel PT buffer size is specified by an addition to the -m option e.g.
+
+ -m,16
+
+selects a buffer size of 16 pages i.e. 64KiB.
+
+Note that the existing functionality of -m is unchanged. The auxtrace mmap size
+is specified by the optional addition of a comma and the value.
+
+The default auxtrace mmap size for Intel PT is 4MiB/page_size for privileged users
+(or if /proc/sys/kernel/perf_event_paranoid < 0), 128KiB for unprivileged users.
+If an unprivileged user does not specify mmap pages, the mmap pages will be
+reduced from the default 512KiB/page_size to 256KiB/page_size, otherwise the
+user is likely to get an error as they exceed their mlock limit (Max locked
+memory as shown in /proc/self/limits). Note that perf does not count the first
+512KiB (actually /proc/sys/kernel/perf_event_mlock_kb minus 1 page) per cpu
+against the mlock limit so an unprivileged user is allowed 512KiB per cpu plus
+their mlock limit (which defaults to 64KiB but is not multiplied by the number
+of cpus).
+
+In full-trace mode, powers of two are allowed for buffer size, with a minimum
+size of 2 pages. In snapshot mode or sampling mode, it is the same but the
+minimum size is 1 page.
+
+The mmap size and auxtrace mmap size are displayed if the -vv option is used e.g.
+
+ mmap length 528384
+ auxtrace mmap length 4198400
+
+
+Intel PT modes of operation
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Intel PT can be used in 3 modes:
+ full-trace mode
+ sample mode
+ snapshot mode
+
+Full-trace mode traces continuously e.g.
+
+ perf record -e intel_pt//u uname
+
+Sample mode attaches a Intel PT sample to other events e.g.
+
+ perf record --aux-sample -e intel_pt//u -e branch-misses:u
+
+Snapshot mode captures the available data when a signal is sent or "snapshot"
+control command is issued. e.g. using a signal
+
+ perf record -v -e intel_pt//u -S ./loopy 1000000000 &
+ [1] 11435
+ kill -USR2 11435
+ Recording AUX area tracing snapshot
+
+Note that the signal sent is SIGUSR2.
+Note that "Recording AUX area tracing snapshot" is displayed because the -v
+option is used.
+
+The advantage of using "snapshot" control command is that the access is
+controlled by access to a FIFO e.g.
+
+ $ mkfifo perf.control
+ $ mkfifo perf.ack
+ $ cat perf.ack &
+ [1] 15235
+ $ sudo ~/bin/perf record --control fifo:perf.control,perf.ack -S -e intel_pt//u -- sleep 60 &
+ [2] 15243
+ $ ps -e | grep perf
+ 15244 pts/1 00:00:00 perf
+ $ kill -USR2 15244
+ bash: kill: (15244) - Operation not permitted
+ $ echo snapshot > perf.control
+ ack
+
+The 3 Intel PT modes of operation cannot be used together.
+
+
+Buffer handling
+~~~~~~~~~~~~~~~
+
+There may be buffer limitations (i.e. single ToPa entry) which means that actual
+buffer sizes are limited to powers of 2 up to 4MiB (MAX_PAGE_ORDER). In order to
+provide other sizes, and in particular an arbitrarily large size, multiple
+buffers are logically concatenated. However an interrupt must be used to switch
+between buffers. That has two potential problems:
+ a) the interrupt may not be handled in time so that the current buffer
+ becomes full and some trace data is lost.
+ b) the interrupts may slow the system and affect the performance
+ results.
+
+If trace data is lost, the driver sets 'truncated' in the PERF_RECORD_AUX event
+which the tools report as an error.
+
+In full-trace mode, the driver waits for data to be copied out before allowing
+the (logical) buffer to wrap-around. If data is not copied out quickly enough,
+again 'truncated' is set in the PERF_RECORD_AUX event. If the driver has to
+wait, the intel_pt event gets disabled. Because it is difficult to know when
+that happens, perf tools always re-enable the intel_pt event after copying out
+data.
+
+
+Intel PT and build ids
+~~~~~~~~~~~~~~~~~~~~~~
+
+By default "perf record" post-processes the event stream to find all build ids
+for executables for all addresses sampled. Deliberately, Intel PT is not
+decoded for that purpose (it would take too long). Instead the build ids for
+all executables encountered (due to mmap, comm or task events) are included
+in the perf.data file.
+
+To see buildids included in the perf.data file use the command:
+
+ perf buildid-list
+
+If the perf.data file contains Intel PT data, that is the same as:
+
+ perf buildid-list --with-hits
+
+
+Snapshot mode and event disabling
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+In order to make a snapshot, the intel_pt event is disabled using an IOCTL,
+namely PERF_EVENT_IOC_DISABLE. However doing that can also disable the
+collection of side-band information. In order to prevent that, a dummy
+software event has been introduced that permits tracking events (like mmaps) to
+continue to be recorded while intel_pt is disabled. That is important to ensure
+there is complete side-band information to allow the decoding of subsequent
+snapshots.
+
+A test has been created for that. To find the test:
+
+ perf test list
+ ...
+ 23: Test using a dummy software event to keep tracking
+
+To run the test:
+
+ perf test 23
+ 23: Test using a dummy software event to keep tracking : Ok
+
+
+perf record modes (nothing new here)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+perf record essentially operates in one of three modes:
+ per thread
+ per cpu
+ workload only
+
+"per thread" mode is selected by -t or by --per-thread (with -p or -u or just a
+workload).
+"per cpu" is selected by -C or -a.
+"workload only" mode is selected by not using the other options but providing a
+command to run (i.e. the workload).
+
+In per-thread mode an exact list of threads is traced. There is no inheritance.
+Each thread has its own event buffer.
+
+In per-cpu mode all processes (or processes from the selected cgroup i.e. -G
+option, or processes selected with -p or -u) are traced. Each cpu has its own
+buffer. Inheritance is allowed.
+
+In workload-only mode, the workload is traced but with per-cpu buffers.
+Inheritance is allowed. Note that you can now trace a workload in per-thread
+mode by using the --per-thread option.
+
+
+Privileged vs non-privileged users
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Unless /proc/sys/kernel/perf_event_paranoid is set to -1, unprivileged users
+have memory limits imposed upon them. That affects what buffer sizes they can
+have as outlined above.
+
+The v4.2 kernel introduced support for a context switch metadata event,
+PERF_RECORD_SWITCH, which allows unprivileged users to see when their processes
+are scheduled out and in, just not by whom, which is left for the
+PERF_RECORD_SWITCH_CPU_WIDE, that is only accessible in system wide context,
+which in turn requires CAP_PERFMON or CAP_SYS_ADMIN.
+
+Please see the 45ac1403f564 ("perf: Add PERF_RECORD_SWITCH to indicate context
+switches") commit, that introduces these metadata events for further info.
+
+When working with kernels < v4.2, the following considerations must be taken,
+as the sched:sched_switch tracepoints will be used to receive such information:
+
+Unless /proc/sys/kernel/perf_event_paranoid is set to -1, unprivileged users are
+not permitted to use tracepoints which means there is insufficient side-band
+information to decode Intel PT in per-cpu mode, and potentially workload-only
+mode too if the workload creates new processes.
+
+Note also, that to use tracepoints, read-access to debugfs is required. So if
+debugfs is not mounted or the user does not have read-access, it will again not
+be possible to decode Intel PT in per-cpu mode.
+
+
+sched_switch tracepoint
+~~~~~~~~~~~~~~~~~~~~~~~
+
+The sched_switch tracepoint is used to provide side-band data for Intel PT
+decoding in kernels where the PERF_RECORD_SWITCH metadata event isn't
+available.
+
+The sched_switch events are automatically added. e.g. the second event shown
+below:
+
+ $ perf record -vv -e intel_pt//u uname
+ ------------------------------------------------------------
+ perf_event_attr:
+ type 6
+ size 112
+ config 0x400
+ { sample_period, sample_freq } 1
+ sample_type IP|TID|TIME|CPU|IDENTIFIER
+ read_format ID
+ disabled 1
+ inherit 1
+ exclude_kernel 1
+ exclude_hv 1
+ enable_on_exec 1
+ sample_id_all 1
+ ------------------------------------------------------------
+ sys_perf_event_open: pid 31104 cpu 0 group_fd -1 flags 0x8
+ sys_perf_event_open: pid 31104 cpu 1 group_fd -1 flags 0x8
+ sys_perf_event_open: pid 31104 cpu 2 group_fd -1 flags 0x8
+ sys_perf_event_open: pid 31104 cpu 3 group_fd -1 flags 0x8
+ ------------------------------------------------------------
+ perf_event_attr:
+ type 2
+ size 112
+ config 0x108
+ { sample_period, sample_freq } 1
+ sample_type IP|TID|TIME|CPU|PERIOD|RAW|IDENTIFIER
+ read_format ID
+ inherit 1
+ sample_id_all 1
+ exclude_guest 1
+ ------------------------------------------------------------
+ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8
+ sys_perf_event_open: pid -1 cpu 1 group_fd -1 flags 0x8
+ sys_perf_event_open: pid -1 cpu 2 group_fd -1 flags 0x8
+ sys_perf_event_open: pid -1 cpu 3 group_fd -1 flags 0x8
+ ------------------------------------------------------------
+ perf_event_attr:
+ type 1
+ size 112
+ config 0x9
+ { sample_period, sample_freq } 1
+ sample_type IP|TID|TIME|IDENTIFIER
+ read_format ID
+ disabled 1
+ inherit 1
+ exclude_kernel 1
+ exclude_hv 1
+ mmap 1
+ comm 1
+ enable_on_exec 1
+ task 1
+ sample_id_all 1
+ mmap2 1
+ comm_exec 1
+ ------------------------------------------------------------
+ sys_perf_event_open: pid 31104 cpu 0 group_fd -1 flags 0x8
+ sys_perf_event_open: pid 31104 cpu 1 group_fd -1 flags 0x8
+ sys_perf_event_open: pid 31104 cpu 2 group_fd -1 flags 0x8
+ sys_perf_event_open: pid 31104 cpu 3 group_fd -1 flags 0x8
+ mmap size 528384B
+ AUX area mmap length 4194304
+ perf event ring buffer mmapped per cpu
+ Synthesizing auxtrace information
+ Linux
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 0.042 MB perf.data ]
+
+Note, the sched_switch event is only added if the user is permitted to use it
+and only in per-cpu mode.
+
+Note also, the sched_switch event is only added if TSC packets are requested.
+That is because, in the absence of timing information, the sched_switch events
+cannot be matched against the Intel PT trace.
+
+
+perf script
+-----------
+
+By default, perf script will decode trace data found in the perf.data file.
+This can be further controlled by new option --itrace.
+
+
+New --itrace option
+~~~~~~~~~~~~~~~~~~~
+
+Having no option is the same as
+
+ --itrace
+
+which, in turn, is the same as
+
+ --itrace=cepwxy
+
+The letters are:
+
+ i synthesize "instructions" events
+ y synthesize "cycles" events
+ b synthesize "branches" events
+ x synthesize "transactions" events
+ w synthesize "ptwrite" events
+ p synthesize "power" events (incl. PSB events)
+ c synthesize branches events (calls only)
+ r synthesize branches events (returns only)
+ o synthesize PEBS-via-PT events
+ I synthesize Event Trace events
+ e synthesize tracing error events
+ d create a debug log
+ g synthesize a call chain (use with i or x)
+ G synthesize a call chain on existing event records
+ l synthesize last branch entries (use with i or x)
+ L synthesize last branch entries on existing event records
+ s skip initial number of events
+ q quicker (less detailed) decoding
+ A approximate IPC
+ Z prefer to ignore timestamps (so-called "timeless" decoding)
+
+"Instructions" events look like they were recorded by "perf record -e
+instructions".
+
+"Cycles" events look like they were recorded by "perf record -e cycles"
+(ie., the default). Note that even with CYC packets enabled and no sampling,
+these are not fully accurate, since CYC packets are not emitted for each
+instruction, only when some other event (like an indirect branch, or a
+TNT packet representing multiple branches) happens causes a packet to
+be emitted. Thus, it is more effective for attributing cycles to functions
+(and possibly basic blocks) than to individual instructions, although it
+is not even perfect for functions (although it becomes better if the noretcomp
+option is active).
+
+"Branches" events look like they were recorded by "perf record -e branches". "c"
+and "r" can be combined to get calls and returns.
+
+"Transactions" events correspond to the start or end of transactions. The
+'flags' field can be used in perf script to determine whether the event is a
+transaction start, commit or abort.
+
+Note that "instructions", "cycles", "branches" and "transactions" events
+depend on code flow packets which can be disabled by using the config term
+"branch=0". Refer to the <<_config_terms,config terms>> section above.
+
+"ptwrite" events record the payload of the ptwrite instruction and whether
+"fup_on_ptw" was used. "ptwrite" events depend on PTWRITE packets which are
+recorded only if the "ptw" config term was used. Refer to the <<_config_terms,config terms>>
+section above. perf script "synth" field displays "ptwrite" information like
+this: "ip: 0 payload: 0x123456789abcdef0" where "ip" is 1 if "fup_on_ptw" was
+used.
+
+"Power" events correspond to power event packets and CBR (core-to-bus ratio)
+packets. While CBR packets are always recorded when tracing is enabled, power
+event packets are recorded only if the "pwr_evt" config term was used. Refer to
+the <<_config_terms,config terms>> section above. The power events record information about
+C-state changes, whereas CBR is indicative of CPU frequency. perf script
+"event,synth" fields display information like this:
+
+ cbr: cbr: 22 freq: 2189 MHz (200%)
+ mwait: hints: 0x60 extensions: 0x1
+ pwre: hw: 0 cstate: 2 sub-cstate: 0
+ exstop: ip: 1
+ pwrx: deepest cstate: 2 last cstate: 2 wake reason: 0x4
+
+Where:
+
+ "cbr" includes the frequency and the percentage of maximum non-turbo
+ "mwait" shows mwait hints and extensions
+ "pwre" shows C-state transitions (to a C-state deeper than C0) and
+ whether initiated by hardware
+ "exstop" indicates execution stopped and whether the IP was recorded
+ exactly,
+ "pwrx" indicates return to C0
+
+For more details refer to the Intel 64 and IA-32 Architectures Software
+Developer Manuals.
+
+PSB events show when a PSB+ occurred and also the byte-offset in the trace.
+Emitting a PSB+ can cause a CPU a slight delay. When doing timing analysis
+of code with Intel PT, it is useful to know if a timing bubble was caused
+by Intel PT or not.
+
+Error events show where the decoder lost the trace. Error events
+are quite important. Users must know if what they are seeing is a complete
+picture or not. The "e" option may be followed by flags which affect what errors
+will or will not be reported. Each flag must be preceded by either '+' or '-'.
+The flags supported by Intel PT are:
+
+ -o Suppress overflow errors
+ -l Suppress trace data lost errors
+
+For example, for errors but not overflow or data lost errors:
+
+ --itrace=e-o-l
+
+The "d" option will cause the creation of a file "intel_pt.log" containing all
+decoded packets and instructions. Note that this option slows down the decoder
+and that the resulting file may be very large. The "d" option may be followed
+by flags which affect what debug messages will or will not be logged. Each flag
+must be preceded by either '+' or '-'. The flags support by Intel PT are:
+
+ -a Suppress logging of perf events
+ +a Log all perf events
+ +e Output only on decoding errors (size configurable)
+ +o Output to stdout instead of "intel_pt.log"
+
+By default, logged perf events are filtered by any specified time ranges, but
+flag +a overrides that. The +e flag can be useful for analyzing errors. By
+default, the log size in that case is 16384 bytes, but can be altered by
+linkperf:perf-config[1] e.g. perf config itrace.debug-log-buffer-size=30000
+
+In addition, the period of the "instructions" event can be specified. e.g.
+
+ --itrace=i10us
+
+sets the period to 10us i.e. one instruction sample is synthesized for each 10
+microseconds of trace. Alternatives to "us" are "ms" (milliseconds),
+"ns" (nanoseconds), "t" (TSC ticks) or "i" (instructions).
+
+"ms", "us" and "ns" are converted to TSC ticks.
+
+The timing information included with Intel PT does not give the time of every
+instruction. Consequently, for the purpose of sampling, the decoder estimates
+the time since the last timing packet based on 1 tick per instruction. The time
+on the sample is *not* adjusted and reflects the last known value of TSC.
+
+For Intel PT, the default period is 100us.
+
+Setting it to a zero period means "as often as possible".
+
+In the case of Intel PT that is the same as a period of 1 and a unit of
+'instructions' (i.e. --itrace=i1i).
+
+Also the call chain size (default 16, max. 1024) for instructions or
+transactions events can be specified. e.g.
+
+ --itrace=ig32
+ --itrace=xg32
+
+Also the number of last branch entries (default 64, max. 1024) for instructions or
+transactions events can be specified. e.g.
+
+ --itrace=il10
+ --itrace=xl10
+
+Note that last branch entries are cleared for each sample, so there is no overlap
+from one sample to the next.
+
+The G and L options are designed in particular for sample mode, and work much
+like g and l but add call chain and branch stack to the other selected events
+instead of synthesized events. For example, to record branch-misses events for
+'ls' and then add a call chain derived from the Intel PT trace:
+
+ perf record --aux-sample -e '{intel_pt//u,branch-misses:u}' -- ls
+ perf report --itrace=Ge
+
+Although in fact G is a default for perf report, so that is the same as just:
+
+ perf report
+
+One caveat with the G and L options is that they work poorly with "Large PEBS".
+Large PEBS means PEBS records will be accumulated by hardware and the written
+into the event buffer in one go. That reduces interrupts, but can give very
+late timestamps. Because the Intel PT trace is synchronized by timestamps,
+the PEBS events do not match the trace. Currently, Large PEBS is used only in
+certain circumstances:
+ - hardware supports it
+ - PEBS is used
+ - event period is specified, instead of frequency
+ - the sample type is limited to the following flags:
+ PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_ADDR |
+ PERF_SAMPLE_ID | PERF_SAMPLE_CPU | PERF_SAMPLE_STREAM_ID |
+ PERF_SAMPLE_DATA_SRC | PERF_SAMPLE_IDENTIFIER |
+ PERF_SAMPLE_TRANSACTION | PERF_SAMPLE_PHYS_ADDR |
+ PERF_SAMPLE_REGS_INTR | PERF_SAMPLE_REGS_USER |
+ PERF_SAMPLE_PERIOD (and sometimes) | PERF_SAMPLE_TIME
+Because Intel PT sample mode uses a different sample type to the list above,
+Large PEBS is not used with Intel PT sample mode. To avoid Large PEBS in other
+cases, avoid specifying the event period i.e. avoid the 'perf record' -c option,
+--count option, or 'period' config term.
+
+To disable trace decoding entirely, use the option --no-itrace.
+
+It is also possible to skip events generated (instructions, branches, transactions)
+at the beginning. This is useful to ignore initialization code.
+
+ --itrace=i0nss1000000
+
+skips the first million instructions.
+
+The q option changes the way the trace is decoded. The decoding is much faster
+but much less detailed. Specifically, with the q option, the decoder does not
+decode TNT packets, and does not walk object code, but gets the ip from FUP and
+TIP packets. The q option can be used with the b and i options but the period
+is not used. The q option decodes more quickly, but is useful only if the
+control flow of interest is represented or indicated by FUP, TIP, TIP.PGE, or
+TIP.PGD packets (refer below). However the q option could be used to find time
+ranges that could then be decoded fully using the --time option.
+
+What will *not* be decoded with the (single) q option:
+
+ - direct calls and jmps
+ - conditional branches
+ - non-branch instructions
+
+What *will* be decoded with the (single) q option:
+
+ - asynchronous branches such as interrupts
+ - indirect branches
+ - function return target address *if* the noretcomp config term (refer
+ <<_config_terms,config terms>> section) was used
+ - start of (control-flow) tracing
+ - end of (control-flow) tracing, if it is not out of context
+ - power events, ptwrite, transaction start and abort
+ - instruction pointer associated with PSB packets
+
+Note the q option does not specify what events will be synthesized e.g. the p
+option must be used also to show power events.
+
+Repeating the q option (double-q i.e. qq) results in even faster decoding and even
+less detail. The decoder decodes only extended PSB (PSB+) packets, getting the
+instruction pointer if there is a FUP packet within PSB+ (i.e. between PSB and
+PSBEND). Note PSB packets occur regularly in the trace based on the psb_period
+config term (refer <<_config_terms,config terms>> section). There will be a FUP packet if the
+PSB+ occurs while control flow is being traced.
+
+What will *not* be decoded with the qq option:
+
+ - everything except instruction pointer associated with PSB packets
+
+What *will* be decoded with the qq option:
+
+ - instruction pointer associated with PSB packets
+
+The Z option is equivalent to having recorded a trace without TSC
+(i.e. config term tsc=0). It can be useful to avoid timestamp issues when
+decoding a trace of a virtual machine.
+
+
+dlfilter-show-cycles.so
+~~~~~~~~~~~~~~~~~~~~~~~
+
+Cycles can be displayed using dlfilter-show-cycles.so in which case the itrace A
+option can be useful to provide higher granularity cycle information:
+
+ perf script --itrace=A --call-trace --dlfilter dlfilter-show-cycles.so
+
+To see a list of dlfilters:
+
+ perf script -v --list-dlfilters
+
+See also linkperf:perf-dlfilters[1]
+
+
+dump option
+~~~~~~~~~~~
+
+perf script has an option (-D) to "dump" the events i.e. display the binary
+data.
+
+When -D is used, Intel PT packets are displayed. The packet decoder does not
+pay attention to PSB packets, but just decodes the bytes - so the packets seen
+by the actual decoder may not be identical in places where the data is corrupt.
+One example of that would be when the buffer-switching interrupt has been too
+slow, and the buffer has been filled completely. In that case, the last packet
+in the buffer might be truncated and immediately followed by a PSB as the trace
+continues in the next buffer.
+
+To disable the display of Intel PT packets, combine the -D option with
+--no-itrace.
+
+
+perf report
+-----------
+
+By default, perf report will decode trace data found in the perf.data file.
+This can be further controlled by new option --itrace exactly the same as
+perf script, with the exception that the default is --itrace=igxe.
+
+
+perf inject
+-----------
+
+perf inject also accepts the --itrace option in which case tracing data is
+removed and replaced with the synthesized events. e.g.
+
+ perf inject --itrace -i perf.data -o perf.data.new
+
+Below is an example of using Intel PT with autofdo. It requires autofdo
+(https://github.com/google/autofdo) and gcc version 5. The bubble
+sort example is from the AutoFDO tutorial (https://gcc.gnu.org/wiki/AutoFDO/Tutorial)
+amended to take the number of elements as a parameter.
+
+ $ gcc-5 -O3 sort.c -o sort_optimized
+ $ ./sort_optimized 30000
+ Bubble sorting array of 30000 elements
+ 2254 ms
+
+ $ cat ~/.perfconfig
+ [intel-pt]
+ mispred-all = on
+
+ $ perf record -e intel_pt//u ./sort 3000
+ Bubble sorting array of 3000 elements
+ 58 ms
+ [ perf record: Woken up 2 times to write data ]
+ [ perf record: Captured and wrote 3.939 MB perf.data ]
+ $ perf inject -i perf.data -o inj --itrace=i100usle --strip
+ $ ./create_gcov --binary=./sort --profile=inj --gcov=sort.gcov -gcov_version=1
+ $ gcc-5 -O3 -fauto-profile=sort.gcov sort.c -o sort_autofdo
+ $ ./sort_autofdo 30000
+ Bubble sorting array of 30000 elements
+ 2155 ms
+
+Note there is currently no advantage to using Intel PT instead of LBR, but
+that may change in the future if greater use is made of the data.
+
+
+PEBS via Intel PT
+-----------------
+
+Some hardware has the feature to redirect PEBS records to the Intel PT trace.
+Recording is selected by using the aux-output config term e.g.
+
+ perf record -c 10000 -e '{intel_pt/branch=0/,cycles/aux-output/ppp}' uname
+
+Originally, software only supported redirecting at most one PEBS event because it
+was not able to differentiate one event from another. To overcome that, more recent
+kernels and perf tools add support for the PERF_RECORD_AUX_OUTPUT_HW_ID side-band event.
+To check for the presence of that event in a PEBS-via-PT trace:
+
+ perf script -D --no-itrace | grep PERF_RECORD_AUX_OUTPUT_HW_ID
+
+To display PEBS events from the Intel PT trace, use the itrace 'o' option e.g.
+
+ perf script --itrace=oe
+
+XED
+---
+
+include::build-xed.txt[]
+
+
+Tracing Virtual Machines (kernel only)
+--------------------------------------
+
+Currently, kernel tracing is supported with either "timeless" decoding
+(i.e. no TSC timestamps) or VM Time Correlation. VM Time Correlation is an extra step
+using 'perf inject' and requires unchanging VMX TSC Offset and no VMX TSC Scaling.
+
+Other limitations and caveats
+
+ VMX controls may suppress packets needed for decoding resulting in decoding errors
+ VMX controls may block the perf NMI to the host potentially resulting in lost trace data
+ Guest kernel self-modifying code (e.g. jump labels or JIT-compiled eBPF) will result in decoding errors
+ Guest thread information is unknown
+ Guest VCPU is unknown but may be able to be inferred from the host thread
+ Callchains are not supported
+
+Example using "timeless" decoding
+
+Start VM
+
+ $ sudo virsh start kubuntu20.04
+ Domain kubuntu20.04 started
+
+Mount the guest file system. Note sshfs needs -o direct_io to enable reading of proc files. root access is needed to read /proc/kcore.
+
+ $ mkdir vm0
+ $ sshfs -o direct_io root@vm0:/ vm0
+
+Copy the guest /proc/kallsyms, /proc/modules and /proc/kcore
+
+ $ perf buildid-cache -v --kcore vm0/proc/kcore
+ kcore added to build-id cache directory /home/user/.debug/[kernel.kcore]/9600f316a53a0f54278885e8d9710538ec5f6a08/2021021807494306
+ $ KALLSYMS=/home/user/.debug/[kernel.kcore]/9600f316a53a0f54278885e8d9710538ec5f6a08/2021021807494306/kallsyms
+
+Find the VM process
+
+ $ ps -eLl | grep 'KVM\|PID'
+ F S UID PID PPID LWP C PRI NI ADDR SZ WCHAN TTY TIME CMD
+ 3 S 64055 1430 1 1440 1 80 0 - 1921718 - ? 00:02:47 CPU 0/KVM
+ 3 S 64055 1430 1 1441 1 80 0 - 1921718 - ? 00:02:41 CPU 1/KVM
+ 3 S 64055 1430 1 1442 1 80 0 - 1921718 - ? 00:02:38 CPU 2/KVM
+ 3 S 64055 1430 1 1443 2 80 0 - 1921718 - ? 00:03:18 CPU 3/KVM
+
+Start an open-ended perf record, tracing the VM process, do something on the VM, and then ctrl-C to stop.
+TSC is not supported and tsc=0 must be specified. That means mtc is useless, so add mtc=0.
+However, IPC can still be determined, hence cyc=1 can be added.
+Only kernel decoding is supported, so 'k' must be specified.
+Intel PT traces both the host and the guest so --guest and --host need to be specified.
+Without timestamps, --per-thread must be specified to distinguish threads.
+
+ $ sudo perf kvm --guest --host --guestkallsyms $KALLSYMS record --kcore -e intel_pt/tsc=0,mtc=0,cyc=1/k -p 1430 --per-thread
+ ^C
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 5.829 MB ]
+
+perf script can be used to provide an instruction trace
+
+ $ perf script --guestkallsyms $KALLSYMS --insn-trace=disasm -F+ipc | grep -C10 vmresume | head -21
+ CPU 0/KVM 1440 ffffffff82133cdd __vmx_vcpu_run+0x3d ([kernel.kallsyms]) movq 0x48(%rax), %r9
+ CPU 0/KVM 1440 ffffffff82133ce1 __vmx_vcpu_run+0x41 ([kernel.kallsyms]) movq 0x50(%rax), %r10
+ CPU 0/KVM 1440 ffffffff82133ce5 __vmx_vcpu_run+0x45 ([kernel.kallsyms]) movq 0x58(%rax), %r11
+ CPU 0/KVM 1440 ffffffff82133ce9 __vmx_vcpu_run+0x49 ([kernel.kallsyms]) movq 0x60(%rax), %r12
+ CPU 0/KVM 1440 ffffffff82133ced __vmx_vcpu_run+0x4d ([kernel.kallsyms]) movq 0x68(%rax), %r13
+ CPU 0/KVM 1440 ffffffff82133cf1 __vmx_vcpu_run+0x51 ([kernel.kallsyms]) movq 0x70(%rax), %r14
+ CPU 0/KVM 1440 ffffffff82133cf5 __vmx_vcpu_run+0x55 ([kernel.kallsyms]) movq 0x78(%rax), %r15
+ CPU 0/KVM 1440 ffffffff82133cf9 __vmx_vcpu_run+0x59 ([kernel.kallsyms]) movq (%rax), %rax
+ CPU 0/KVM 1440 ffffffff82133cfc __vmx_vcpu_run+0x5c ([kernel.kallsyms]) callq 0xffffffff82133c40
+ CPU 0/KVM 1440 ffffffff82133c40 vmx_vmenter+0x0 ([kernel.kallsyms]) jz 0xffffffff82133c46
+ CPU 0/KVM 1440 ffffffff82133c42 vmx_vmenter+0x2 ([kernel.kallsyms]) vmresume IPC: 0.11 (50/445)
+ :1440 1440 ffffffffbb678b06 native_write_msr+0x6 ([guest.kernel.kallsyms]) nopl %eax, (%rax,%rax,1)
+ :1440 1440 ffffffffbb678b0b native_write_msr+0xb ([guest.kernel.kallsyms]) retq IPC: 0.04 (2/41)
+ :1440 1440 ffffffffbb666646 lapic_next_deadline+0x26 ([guest.kernel.kallsyms]) data16 nop
+ :1440 1440 ffffffffbb666648 lapic_next_deadline+0x28 ([guest.kernel.kallsyms]) xor %eax, %eax
+ :1440 1440 ffffffffbb66664a lapic_next_deadline+0x2a ([guest.kernel.kallsyms]) popq %rbp
+ :1440 1440 ffffffffbb66664b lapic_next_deadline+0x2b ([guest.kernel.kallsyms]) retq IPC: 0.16 (4/25)
+ :1440 1440 ffffffffbb74607f clockevents_program_event+0x8f ([guest.kernel.kallsyms]) test %eax, %eax
+ :1440 1440 ffffffffbb746081 clockevents_program_event+0x91 ([guest.kernel.kallsyms]) jz 0xffffffffbb74603c IPC: 0.06 (2/30)
+ :1440 1440 ffffffffbb74603c clockevents_program_event+0x4c ([guest.kernel.kallsyms]) popq %rbx
+ :1440 1440 ffffffffbb74603d clockevents_program_event+0x4d ([guest.kernel.kallsyms]) popq %r12
+
+Example using VM Time Correlation
+
+Start VM
+
+ $ sudo virsh start kubuntu20.04
+ Domain kubuntu20.04 started
+
+Mount the guest file system. Note sshfs needs -o direct_io to enable reading of proc files. root access is needed to read /proc/kcore.
+
+ $ mkdir -p vm0
+ $ sshfs -o direct_io root@vm0:/ vm0
+
+Copy the guest /proc/kallsyms, /proc/modules and /proc/kcore
+
+ $ perf buildid-cache -v --kcore vm0/proc/kcore
+ same kcore found in /home/user/.debug/[kernel.kcore]/cc9c55a98c5e4ec0aeda69302554aabed5cd6491/2021021312450777
+ $ KALLSYMS=/home/user/.debug/\[kernel.kcore\]/cc9c55a98c5e4ec0aeda69302554aabed5cd6491/2021021312450777/kallsyms
+
+Find the VM process
+
+ $ ps -eLl | grep 'KVM\|PID'
+ F S UID PID PPID LWP C PRI NI ADDR SZ WCHAN TTY TIME CMD
+ 3 S 64055 16998 1 17005 13 80 0 - 1818189 - ? 00:00:16 CPU 0/KVM
+ 3 S 64055 16998 1 17006 4 80 0 - 1818189 - ? 00:00:05 CPU 1/KVM
+ 3 S 64055 16998 1 17007 3 80 0 - 1818189 - ? 00:00:04 CPU 2/KVM
+ 3 S 64055 16998 1 17008 4 80 0 - 1818189 - ? 00:00:05 CPU 3/KVM
+
+Start an open-ended perf record, tracing the VM process, do something on the VM, and then ctrl-C to stop.
+IPC can be determined, hence cyc=1 can be added.
+Only kernel decoding is supported, so 'k' must be specified.
+Intel PT traces both the host and the guest so --guest and --host need to be specified.
+
+ $ sudo perf kvm --guest --host --guestkallsyms $KALLSYMS record --kcore -e intel_pt/cyc=1/k -p 16998
+ ^C[ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 9.041 MB perf.data.kvm ]
+
+Now 'perf inject' can be used to determine the VMX TCS Offset. Note, Intel PT TSC packets are
+only 7-bytes, so the TSC Offset might differ from the actual value in the 8th byte. That will
+have no effect i.e. the resulting timestamps will be correct anyway.
+
+ $ perf inject -i perf.data.kvm --vm-time-correlation=dry-run
+ ERROR: Unknown TSC Offset for VMCS 0x1bff6a
+ VMCS: 0x1bff6a TSC Offset 0xffffe42722c64c41
+ ERROR: Unknown TSC Offset for VMCS 0x1cbc08
+ VMCS: 0x1cbc08 TSC Offset 0xffffe42722c64c41
+ ERROR: Unknown TSC Offset for VMCS 0x1c3ce8
+ VMCS: 0x1c3ce8 TSC Offset 0xffffe42722c64c41
+ ERROR: Unknown TSC Offset for VMCS 0x1cbce9
+ VMCS: 0x1cbce9 TSC Offset 0xffffe42722c64c41
+
+Each virtual CPU has a different Virtual Machine Control Structure (VMCS)
+shown above with the calculated TSC Offset. For an unchanging TSC Offset
+they should all be the same for the same virtual machine.
+
+Now that the TSC Offset is known, it can be provided to 'perf inject'
+
+ $ perf inject -i perf.data.kvm --vm-time-correlation="dry-run 0xffffe42722c64c41"
+
+Note the options for 'perf inject' --vm-time-correlation are:
+
+ [ dry-run ] [ <TSC Offset> [ : <VMCS> [ , <VMCS> ]... ] ]...
+
+So it is possible to specify different TSC Offsets for different VMCS.
+The option "dry-run" will cause the file to be processed but without updating it.
+Note it is also possible to get a intel_pt.log file by adding option --itrace=d
+
+There were no errors so, do it for real
+
+ $ perf inject -i perf.data.kvm --vm-time-correlation=0xffffe42722c64c41 --force
+
+'perf script' can be used to see if there are any decoder errors
+
+ $ perf script -i perf.data.kvm --guestkallsyms $KALLSYMS --itrace=e-o
+
+There were none.
+
+'perf script' can be used to provide an instruction trace showing timestamps
+
+ $ perf script -i perf.data.kvm --guestkallsyms $KALLSYMS --insn-trace=disasm -F+ipc | grep -C10 vmresume | head -21
+ CPU 1/KVM 17006 [001] 11500.262865593: ffffffff82133cdd __vmx_vcpu_run+0x3d ([kernel.kallsyms]) movq 0x48(%rax), %r9
+ CPU 1/KVM 17006 [001] 11500.262865593: ffffffff82133ce1 __vmx_vcpu_run+0x41 ([kernel.kallsyms]) movq 0x50(%rax), %r10
+ CPU 1/KVM 17006 [001] 11500.262865593: ffffffff82133ce5 __vmx_vcpu_run+0x45 ([kernel.kallsyms]) movq 0x58(%rax), %r11
+ CPU 1/KVM 17006 [001] 11500.262865593: ffffffff82133ce9 __vmx_vcpu_run+0x49 ([kernel.kallsyms]) movq 0x60(%rax), %r12
+ CPU 1/KVM 17006 [001] 11500.262865593: ffffffff82133ced __vmx_vcpu_run+0x4d ([kernel.kallsyms]) movq 0x68(%rax), %r13
+ CPU 1/KVM 17006 [001] 11500.262865593: ffffffff82133cf1 __vmx_vcpu_run+0x51 ([kernel.kallsyms]) movq 0x70(%rax), %r14
+ CPU 1/KVM 17006 [001] 11500.262865593: ffffffff82133cf5 __vmx_vcpu_run+0x55 ([kernel.kallsyms]) movq 0x78(%rax), %r15
+ CPU 1/KVM 17006 [001] 11500.262865593: ffffffff82133cf9 __vmx_vcpu_run+0x59 ([kernel.kallsyms]) movq (%rax), %rax
+ CPU 1/KVM 17006 [001] 11500.262865593: ffffffff82133cfc __vmx_vcpu_run+0x5c ([kernel.kallsyms]) callq 0xffffffff82133c40
+ CPU 1/KVM 17006 [001] 11500.262865593: ffffffff82133c40 vmx_vmenter+0x0 ([kernel.kallsyms]) jz 0xffffffff82133c46
+ CPU 1/KVM 17006 [001] 11500.262866075: ffffffff82133c42 vmx_vmenter+0x2 ([kernel.kallsyms]) vmresume IPC: 0.05 (40/769)
+ :17006 17006 [001] 11500.262869216: ffffffff82200cb0 asm_sysvec_apic_timer_interrupt+0x0 ([guest.kernel.kallsyms]) clac
+ :17006 17006 [001] 11500.262869216: ffffffff82200cb3 asm_sysvec_apic_timer_interrupt+0x3 ([guest.kernel.kallsyms]) pushq $0xffffffffffffffff
+ :17006 17006 [001] 11500.262869216: ffffffff82200cb5 asm_sysvec_apic_timer_interrupt+0x5 ([guest.kernel.kallsyms]) callq 0xffffffff82201160
+ :17006 17006 [001] 11500.262869216: ffffffff82201160 error_entry+0x0 ([guest.kernel.kallsyms]) cld
+ :17006 17006 [001] 11500.262869216: ffffffff82201161 error_entry+0x1 ([guest.kernel.kallsyms]) pushq %rsi
+ :17006 17006 [001] 11500.262869216: ffffffff82201162 error_entry+0x2 ([guest.kernel.kallsyms]) movq 0x8(%rsp), %rsi
+ :17006 17006 [001] 11500.262869216: ffffffff82201167 error_entry+0x7 ([guest.kernel.kallsyms]) movq %rdi, 0x8(%rsp)
+ :17006 17006 [001] 11500.262869216: ffffffff8220116c error_entry+0xc ([guest.kernel.kallsyms]) pushq %rdx
+ :17006 17006 [001] 11500.262869216: ffffffff8220116d error_entry+0xd ([guest.kernel.kallsyms]) pushq %rcx
+ :17006 17006 [001] 11500.262869216: ffffffff8220116e error_entry+0xe ([guest.kernel.kallsyms]) pushq %rax
+
+
+Tracing Virtual Machines (including user space)
+-----------------------------------------------
+
+It is possible to use perf record to record sideband events within a virtual machine, so that an Intel PT trace on the host can be decoded.
+Sideband events from the guest perf.data file can be injected into the host perf.data file using perf inject.
+
+Here is an example of the steps needed:
+
+On the guest machine:
+
+Check that no-kvmclock kernel command line option was used to boot:
+
+Note, this is essential to enable time correlation between host and guest machines.
+
+ $ cat /proc/cmdline
+ BOOT_IMAGE=/boot/vmlinuz-5.10.0-16-amd64 root=UUID=cb49c910-e573-47e0-bce7-79e293df8e1d ro no-kvmclock
+
+There is no BPF support at present so, if possible, disable JIT compiling:
+
+ $ echo 0 | sudo tee /proc/sys/net/core/bpf_jit_enable
+ 0
+
+Start perf record to collect sideband events:
+
+ $ sudo perf record -o guest-sideband-testing-guest-perf.data --sample-identifier --buildid-all --switch-events --kcore -a -e dummy
+
+On the host machine:
+
+Start perf record to collect Intel PT trace:
+
+Note, the host trace will get very big, very fast, so the steps from starting to stopping the host trace really need to be done so that they happen in the shortest time possible.
+
+ $ sudo perf record -o guest-sideband-testing-host-perf.data -m,64M --kcore -a -e intel_pt/cyc/
+
+On the guest machine:
+
+Run a small test case, just 'uname' in this example:
+
+ $ uname
+ Linux
+
+On the host machine:
+
+Stop the Intel PT trace:
+
+ ^C
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 76.122 MB guest-sideband-testing-host-perf.data ]
+
+On the guest machine:
+
+Stop the Intel PT trace:
+
+ ^C
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 1.247 MB guest-sideband-testing-guest-perf.data ]
+
+And then copy guest-sideband-testing-guest-perf.data to the host (not shown here).
+
+On the host machine:
+
+With the 2 perf.data recordings, and with their ownership changed to the user.
+
+Identify the TSC Offset:
+
+ $ perf inject -i guest-sideband-testing-host-perf.data --vm-time-correlation=dry-run
+ VMCS: 0x103fc6 TSC Offset 0xfffffa6ae070cb20
+ VMCS: 0x103ff2 TSC Offset 0xfffffa6ae070cb20
+ VMCS: 0x10fdaa TSC Offset 0xfffffa6ae070cb20
+ VMCS: 0x24d57c TSC Offset 0xfffffa6ae070cb20
+
+Correct Intel PT TSC timestamps for the guest machine:
+
+ $ perf inject -i guest-sideband-testing-host-perf.data --vm-time-correlation=0xfffffa6ae070cb20 --force
+
+Identify the guest machine PID:
+
+ $ perf script -i guest-sideband-testing-host-perf.data --no-itrace --show-task-events | grep KVM
+ CPU 0/KVM 0 [000] 0.000000: PERF_RECORD_COMM: CPU 0/KVM:13376/13381
+ CPU 1/KVM 0 [000] 0.000000: PERF_RECORD_COMM: CPU 1/KVM:13376/13382
+ CPU 2/KVM 0 [000] 0.000000: PERF_RECORD_COMM: CPU 2/KVM:13376/13383
+ CPU 3/KVM 0 [000] 0.000000: PERF_RECORD_COMM: CPU 3/KVM:13376/13384
+
+Note, the QEMU option -name debug-threads=on is needed so that thread names
+can be used to determine which thread is running which VCPU as above. libvirt seems to use this by default.
+
+Create a guestmount, assuming the guest machine is 'vm_to_test':
+
+ $ mkdir -p ~/guestmount/13376
+ $ sshfs -o direct_io vm_to_test:/ ~/guestmount/13376
+
+Inject the guest perf.data file into the host perf.data file:
+
+Note, due to the guestmount option, guest object files and debug files will be copied into the build ID cache from the guest machine, with the notable exception of VDSO.
+If needed, VDSO can be copied manually in a fashion similar to that used by the perf-archive script.
+
+ $ perf inject -i guest-sideband-testing-host-perf.data -o inj --guestmount ~/guestmount --guest-data=guest-sideband-testing-guest-perf.data,13376,0xfffffa6ae070cb20
+
+Show an excerpt from the result. In this case the CPU and time range have been to chosen to show interaction between guest and host when 'uname' is starting to run on the guest machine:
+
+Notes:
+
+ - the CPU displayed, [002] in this case, is always the host CPU
+ - events happening in the virtual machine start with VM:13376 VCPU:003, which shows the hypervisor PID 13376 and the VCPU number
+ - only calls and errors are displayed i.e. --itrace=ce
+ - branches entering and exiting the virtual machine are split, and show as 2 branches to/from "0 [unknown] ([unknown])"
+
+ $ perf script -i inj --itrace=ce -F+machine_pid,+vcpu,+addr,+pid,+tid,-period --ns --time 7919.408803365,7919.408804631 -C 2
+ CPU 3/KVM 13376/13384 [002] 7919.408803365: branches: ffffffffc0f8ebe0 vmx_vcpu_enter_exit+0xc0 ([kernel.kallsyms]) => ffffffffc0f8edc0 __vmx_vcpu_run+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803365: branches: ffffffffc0f8edd5 __vmx_vcpu_run+0x15 ([kernel.kallsyms]) => ffffffffc0f8eca0 vmx_update_host_rsp+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803365: branches: ffffffffc0f8ee1b __vmx_vcpu_run+0x5b ([kernel.kallsyms]) => ffffffffc0f8ed60 vmx_vmenter+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803461: branches: ffffffffc0f8ed62 vmx_vmenter+0x2 ([kernel.kallsyms]) => 0 [unknown] ([unknown])
+ VM:13376 VCPU:003 uname 3404/3404 [002] 7919.408803461: branches: 0 [unknown] ([unknown]) => 7f851c9b5a5c init_cacheinfo+0x3ac (/usr/lib/x86_64-linux-gnu/libc-2.31.so)
+ VM:13376 VCPU:003 uname 3404/3404 [002] 7919.408803567: branches: 7f851c9b5a5a init_cacheinfo+0x3aa (/usr/lib/x86_64-linux-gnu/libc-2.31.so) => 0 [unknown] ([unknown])
+ CPU 3/KVM 13376/13384 [002] 7919.408803567: branches: 0 [unknown] ([unknown]) => ffffffffc0f8ed80 vmx_vmexit+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803596: branches: ffffffffc0f6619a vmx_vcpu_run+0x26a ([kernel.kallsyms]) => ffffffffb2255c60 x86_virt_spec_ctrl+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803801: branches: ffffffffc0f66445 vmx_vcpu_run+0x515 ([kernel.kallsyms]) => ffffffffb2290b30 native_write_msr+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803850: branches: ffffffffc0f661f8 vmx_vcpu_run+0x2c8 ([kernel.kallsyms]) => ffffffffc1092300 kvm_load_host_xsave_state+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803850: branches: ffffffffc1092327 kvm_load_host_xsave_state+0x27 ([kernel.kallsyms]) => ffffffffc1092220 kvm_load_host_xsave_state.part.0+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803862: branches: ffffffffc0f662cf vmx_vcpu_run+0x39f ([kernel.kallsyms]) => ffffffffc0f63f90 vmx_recover_nmi_blocking+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803862: branches: ffffffffc0f662e9 vmx_vcpu_run+0x3b9 ([kernel.kallsyms]) => ffffffffc0f619a0 __vmx_complete_interrupts+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803872: branches: ffffffffc109cfb2 vcpu_enter_guest+0x752 ([kernel.kallsyms]) => ffffffffc0f5f570 vmx_handle_exit_irqoff+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803881: branches: ffffffffc109d028 vcpu_enter_guest+0x7c8 ([kernel.kallsyms]) => ffffffffb234f900 __srcu_read_lock+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803897: branches: ffffffffc109d06f vcpu_enter_guest+0x80f ([kernel.kallsyms]) => ffffffffc0f72e30 vmx_handle_exit+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803897: branches: ffffffffc0f72e3d vmx_handle_exit+0xd ([kernel.kallsyms]) => ffffffffc0f727c0 __vmx_handle_exit+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803897: branches: ffffffffc0f72b15 __vmx_handle_exit+0x355 ([kernel.kallsyms]) => ffffffffc0f60ae0 vmx_flush_pml_buffer+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803903: branches: ffffffffc0f72994 __vmx_handle_exit+0x1d4 ([kernel.kallsyms]) => ffffffffc10b7090 kvm_emulate_cpuid+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803903: branches: ffffffffc10b70f1 kvm_emulate_cpuid+0x61 ([kernel.kallsyms]) => ffffffffc10b6e10 kvm_cpuid+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803941: branches: ffffffffc10b7125 kvm_emulate_cpuid+0x95 ([kernel.kallsyms]) => ffffffffc1093110 kvm_skip_emulated_instruction+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803941: branches: ffffffffc109311f kvm_skip_emulated_instruction+0xf ([kernel.kallsyms]) => ffffffffc0f5e180 vmx_get_rflags+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803951: branches: ffffffffc109312a kvm_skip_emulated_instruction+0x1a ([kernel.kallsyms]) => ffffffffc0f5fd30 vmx_skip_emulated_instruction+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803951: branches: ffffffffc0f5fd79 vmx_skip_emulated_instruction+0x49 ([kernel.kallsyms]) => ffffffffc0f5fb50 skip_emulated_instruction+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803956: branches: ffffffffc0f5fc68 skip_emulated_instruction+0x118 ([kernel.kallsyms]) => ffffffffc0f6a940 vmx_cache_reg+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803964: branches: ffffffffc0f5fc11 skip_emulated_instruction+0xc1 ([kernel.kallsyms]) => ffffffffc0f5f9e0 vmx_set_interrupt_shadow+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803980: branches: ffffffffc109f8b1 vcpu_run+0x71 ([kernel.kallsyms]) => ffffffffc10ad2f0 kvm_cpu_has_pending_timer+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803980: branches: ffffffffc10ad2fb kvm_cpu_has_pending_timer+0xb ([kernel.kallsyms]) => ffffffffc10b0490 apic_has_pending_timer+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803991: branches: ffffffffc109f899 vcpu_run+0x59 ([kernel.kallsyms]) => ffffffffc109c860 vcpu_enter_guest+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803993: branches: ffffffffc109cd4c vcpu_enter_guest+0x4ec ([kernel.kallsyms]) => ffffffffc0f69140 vmx_prepare_switch_to_guest+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803996: branches: ffffffffc109cd7d vcpu_enter_guest+0x51d ([kernel.kallsyms]) => ffffffffb234f930 __srcu_read_unlock+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803996: branches: ffffffffc109cd9c vcpu_enter_guest+0x53c ([kernel.kallsyms]) => ffffffffc0f609b0 vmx_sync_pir_to_irr+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408803996: branches: ffffffffc0f60a6d vmx_sync_pir_to_irr+0xbd ([kernel.kallsyms]) => ffffffffc10adc20 kvm_lapic_find_highest_irr+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804010: branches: ffffffffc0f60abd vmx_sync_pir_to_irr+0x10d ([kernel.kallsyms]) => ffffffffc0f60820 vmx_set_rvi+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804019: branches: ffffffffc109ceca vcpu_enter_guest+0x66a ([kernel.kallsyms]) => ffffffffb2249840 fpregs_assert_state_consistent+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804021: branches: ffffffffc109cf10 vcpu_enter_guest+0x6b0 ([kernel.kallsyms]) => ffffffffc0f65f30 vmx_vcpu_run+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804024: branches: ffffffffc0f6603b vmx_vcpu_run+0x10b ([kernel.kallsyms]) => ffffffffb229bed0 __get_current_cr3_fast+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804024: branches: ffffffffc0f66055 vmx_vcpu_run+0x125 ([kernel.kallsyms]) => ffffffffb2253050 cr4_read_shadow+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804030: branches: ffffffffc0f6608d vmx_vcpu_run+0x15d ([kernel.kallsyms]) => ffffffffc10921e0 kvm_load_guest_xsave_state+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804030: branches: ffffffffc1092207 kvm_load_guest_xsave_state+0x27 ([kernel.kallsyms]) => ffffffffc1092110 kvm_load_guest_xsave_state.part.0+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804032: branches: ffffffffc0f660c6 vmx_vcpu_run+0x196 ([kernel.kallsyms]) => ffffffffb22061a0 perf_guest_get_msrs+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804032: branches: ffffffffb22061a9 perf_guest_get_msrs+0x9 ([kernel.kallsyms]) => ffffffffb220cda0 intel_guest_get_msrs+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804039: branches: ffffffffc0f66109 vmx_vcpu_run+0x1d9 ([kernel.kallsyms]) => ffffffffc0f652c0 clear_atomic_switch_msr+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804040: branches: ffffffffc0f66119 vmx_vcpu_run+0x1e9 ([kernel.kallsyms]) => ffffffffc0f73f60 intel_pmu_lbr_is_enabled+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804042: branches: ffffffffc0f73f81 intel_pmu_lbr_is_enabled+0x21 ([kernel.kallsyms]) => ffffffffc10b68e0 kvm_find_cpuid_entry+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804045: branches: ffffffffc0f66454 vmx_vcpu_run+0x524 ([kernel.kallsyms]) => ffffffffc0f61ff0 vmx_update_hv_timer+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804057: branches: ffffffffc0f66142 vmx_vcpu_run+0x212 ([kernel.kallsyms]) => ffffffffc10af100 kvm_wait_lapic_expire+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804057: branches: ffffffffc0f66156 vmx_vcpu_run+0x226 ([kernel.kallsyms]) => ffffffffb2255c60 x86_virt_spec_ctrl+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804057: branches: ffffffffc0f66161 vmx_vcpu_run+0x231 ([kernel.kallsyms]) => ffffffffc0f8eb20 vmx_vcpu_enter_exit+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804057: branches: ffffffffc0f8eb44 vmx_vcpu_enter_exit+0x24 ([kernel.kallsyms]) => ffffffffb2353e10 rcu_note_context_switch+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804057: branches: ffffffffb2353e1c rcu_note_context_switch+0xc ([kernel.kallsyms]) => ffffffffb2353db0 rcu_qs+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804066: branches: ffffffffc0f8ebe0 vmx_vcpu_enter_exit+0xc0 ([kernel.kallsyms]) => ffffffffc0f8edc0 __vmx_vcpu_run+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804066: branches: ffffffffc0f8edd5 __vmx_vcpu_run+0x15 ([kernel.kallsyms]) => ffffffffc0f8eca0 vmx_update_host_rsp+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804066: branches: ffffffffc0f8ee1b __vmx_vcpu_run+0x5b ([kernel.kallsyms]) => ffffffffc0f8ed60 vmx_vmenter+0x0 ([kernel.kallsyms])
+ CPU 3/KVM 13376/13384 [002] 7919.408804162: branches: ffffffffc0f8ed62 vmx_vmenter+0x2 ([kernel.kallsyms]) => 0 [unknown] ([unknown])
+ VM:13376 VCPU:003 uname 3404/3404 [002] 7919.408804162: branches: 0 [unknown] ([unknown]) => 7f851c9b5a5c init_cacheinfo+0x3ac (/usr/lib/x86_64-linux-gnu/libc-2.31.so)
+ VM:13376 VCPU:003 uname 3404/3404 [002] 7919.408804273: branches: 7f851cb7c0e4 _dl_init+0x74 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) => 7f851cb7bf50 call_init.part.0+0x0 (/usr/lib/x86_64-linux-gnu/ld-2.31.so)
+ VM:13376 VCPU:003 uname 3404/3404 [002] 7919.408804526: branches: 55e0c00136f0 _start+0x0 (/usr/bin/uname) => ffffffff83200ac0 asm_exc_page_fault+0x0 ([kernel.kallsyms])
+ VM:13376 VCPU:003 uname 3404/3404 [002] 7919.408804526: branches: ffffffff83200ac3 asm_exc_page_fault+0x3 ([kernel.kallsyms]) => ffffffff83201290 error_entry+0x0 ([kernel.kallsyms])
+ VM:13376 VCPU:003 uname 3404/3404 [002] 7919.408804534: branches: ffffffff832012fa error_entry+0x6a ([kernel.kallsyms]) => ffffffff830b59a0 sync_regs+0x0 ([kernel.kallsyms])
+ VM:13376 VCPU:003 uname 3404/3404 [002] 7919.408804631: branches: ffffffff83200ad9 asm_exc_page_fault+0x19 ([kernel.kallsyms]) => ffffffff830b8210 exc_page_fault+0x0 ([kernel.kallsyms])
+ VM:13376 VCPU:003 uname 3404/3404 [002] 7919.408804631: branches: ffffffff830b82a4 exc_page_fault+0x94 ([kernel.kallsyms]) => ffffffff830b80e0 __kvm_handle_async_pf+0x0 ([kernel.kallsyms])
+ VM:13376 VCPU:003 uname 3404/3404 [002] 7919.408804631: branches: ffffffff830b80ed __kvm_handle_async_pf+0xd ([kernel.kallsyms]) => ffffffff830b80c0 kvm_read_and_reset_apf_flags+0x0 ([kernel.kallsyms])
+
+
+Tracing Virtual Machines - Guest Code
+-------------------------------------
+
+A common case for KVM test programs is that the test program acts as the
+hypervisor, creating, running and destroying the virtual machine, and
+providing the guest object code from its own object code. In this case,
+the VM is not running an OS, but only the functions loaded into it by the
+hypervisor test program, and conveniently, loaded at the same virtual
+addresses. To support that, option "--guest-code" has been added to perf script
+and perf kvm report.
+
+Here is an example tracing a test program from the kernel's KVM selftests:
+
+ # perf record --kcore -e intel_pt/cyc/ -- tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 0.280 MB perf.data ]
+ # perf script --guest-code --itrace=bep --ns -F-period,+addr,+flags
+ [SNIP]
+ tsc_msrs_test 18436 [007] 10897.962087733: branches: call ffffffffc13b2ff5 __vmx_vcpu_run+0x15 (vmlinux) => ffffffffc13b2f50 vmx_update_host_rsp+0x0 (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962087733: branches: return ffffffffc13b2f5d vmx_update_host_rsp+0xd (vmlinux) => ffffffffc13b2ffa __vmx_vcpu_run+0x1a (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962087733: branches: call ffffffffc13b303b __vmx_vcpu_run+0x5b (vmlinux) => ffffffffc13b2f80 vmx_vmenter+0x0 (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962087836: branches: vmentry ffffffffc13b2f82 vmx_vmenter+0x2 (vmlinux) => 0 [unknown] ([unknown])
+ [guest/18436] 18436 [007] 10897.962087836: branches: vmentry 0 [unknown] ([unknown]) => 402c81 guest_code+0x131 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test)
+ [guest/18436] 18436 [007] 10897.962087836: branches: call 402c81 guest_code+0x131 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test) => 40dba0 ucall+0x0 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test)
+ [guest/18436] 18436 [007] 10897.962088248: branches: vmexit 40dba0 ucall+0x0 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test) => 0 [unknown] ([unknown])
+ tsc_msrs_test 18436 [007] 10897.962088248: branches: vmexit 0 [unknown] ([unknown]) => ffffffffc13b2fa0 vmx_vmexit+0x0 (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962088248: branches: jmp ffffffffc13b2fa0 vmx_vmexit+0x0 (vmlinux) => ffffffffc13b2fd2 vmx_vmexit+0x32 (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962088256: branches: return ffffffffc13b2fd2 vmx_vmexit+0x32 (vmlinux) => ffffffffc13b3040 __vmx_vcpu_run+0x60 (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962088270: branches: return ffffffffc13b30b6 __vmx_vcpu_run+0xd6 (vmlinux) => ffffffffc13b2f2e vmx_vcpu_enter_exit+0x4e (vmlinux)
+ [SNIP]
+ tsc_msrs_test 18436 [007] 10897.962089321: branches: call ffffffffc13b2ff5 __vmx_vcpu_run+0x15 (vmlinux) => ffffffffc13b2f50 vmx_update_host_rsp+0x0 (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962089321: branches: return ffffffffc13b2f5d vmx_update_host_rsp+0xd (vmlinux) => ffffffffc13b2ffa __vmx_vcpu_run+0x1a (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962089321: branches: call ffffffffc13b303b __vmx_vcpu_run+0x5b (vmlinux) => ffffffffc13b2f80 vmx_vmenter+0x0 (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962089424: branches: vmentry ffffffffc13b2f82 vmx_vmenter+0x2 (vmlinux) => 0 [unknown] ([unknown])
+ [guest/18436] 18436 [007] 10897.962089424: branches: vmentry 0 [unknown] ([unknown]) => 40dba0 ucall+0x0 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test)
+ [guest/18436] 18436 [007] 10897.962089701: branches: jmp 40dc1b ucall+0x7b (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test) => 40dc39 ucall+0x99 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test)
+ [guest/18436] 18436 [007] 10897.962089701: branches: jcc 40dc3c ucall+0x9c (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test) => 40dc20 ucall+0x80 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test)
+ [guest/18436] 18436 [007] 10897.962089701: branches: jcc 40dc3c ucall+0x9c (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test) => 40dc20 ucall+0x80 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test)
+ [guest/18436] 18436 [007] 10897.962089701: branches: jcc 40dc37 ucall+0x97 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test) => 40dc50 ucall+0xb0 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test)
+ [guest/18436] 18436 [007] 10897.962089878: branches: vmexit 40dc55 ucall+0xb5 (/home/user/git/work/tools/testing/selftests/kselftest_install/kvm/tsc_msrs_test) => 0 [unknown] ([unknown])
+ tsc_msrs_test 18436 [007] 10897.962089878: branches: vmexit 0 [unknown] ([unknown]) => ffffffffc13b2fa0 vmx_vmexit+0x0 (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962089878: branches: jmp ffffffffc13b2fa0 vmx_vmexit+0x0 (vmlinux) => ffffffffc13b2fd2 vmx_vmexit+0x32 (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962089887: branches: return ffffffffc13b2fd2 vmx_vmexit+0x32 (vmlinux) => ffffffffc13b3040 __vmx_vcpu_run+0x60 (vmlinux)
+ tsc_msrs_test 18436 [007] 10897.962089901: branches: return ffffffffc13b30b6 __vmx_vcpu_run+0xd6 (vmlinux) => ffffffffc13b2f2e vmx_vcpu_enter_exit+0x4e (vmlinux)
+ [SNIP]
+
+ # perf kvm --guest-code --guest --host report -i perf.data --stdio | head -20
+
+ # To display the perf.data header info, please use --header/--header-only options.
+ #
+ #
+ # Total Lost Samples: 0
+ #
+ # Samples: 12 of event 'instructions'
+ # Event count (approx.): 2274583
+ #
+ # Children Self Command Shared Object Symbol
+ # ........ ........ ............. .................... ...........................................
+ #
+ 54.70% 0.00% tsc_msrs_test [kernel.vmlinux] [k] entry_SYSCALL_64_after_hwframe
+ |
+ ---entry_SYSCALL_64_after_hwframe
+ do_syscall_64
+ |
+ |--29.44%--syscall_exit_to_user_mode
+ | exit_to_user_mode_prepare
+ | task_work_run
+ | __fput
+
+
+Event Trace
+-----------
+
+Event Trace records information about asynchronous events, for example interrupts,
+faults, VM exits and entries. The information is recorded in CFE and EVD packets,
+and also the Interrupt Flag is recorded on the MODE.Exec packet. The CFE packet
+contains a type field to identify one of the following:
+
+ 1 INTR interrupt, fault, exception, NMI
+ 2 IRET interrupt return
+ 3 SMI system management interrupt
+ 4 RSM resume from system management mode
+ 5 SIPI startup interprocessor interrupt
+ 6 INIT INIT signal
+ 7 VMENTRY VM-Entry
+ 8 VMEXIT VM-Entry
+ 9 VMEXIT_INTR VM-Exit due to interrupt
+ 10 SHUTDOWN Shutdown
+
+For more details, refer to the Intel 64 and IA-32 Architectures Software
+Developer Manuals (version 076 or later).
+
+The capability to do Event Trace is indicated by the
+/sys/bus/event_source/devices/intel_pt/caps/event_trace file.
+
+Event trace is selected for recording using the "event" config term. e.g.
+
+ perf record -e intel_pt/event/u uname
+
+Event trace events are output using the --itrace I option. e.g.
+
+ perf script --itrace=Ie
+
+perf script displays events containing CFE type, vector and event data,
+in the form:
+
+ evt: hw int (t) cfe: INTR IP: 1 vector: 3 PFA: 0x8877665544332211
+
+The IP flag indicates if the event binds to an IP, which includes any case where
+flow control packet generation is enabled, as well as when CFE packet IP bit is
+set.
+
+perf script displays events containing changes to the Interrupt Flag in the form:
+
+ iflag: t IFLAG: 1->0 via branch
+
+where "via branch" indicates a branch (interrupt or return from interrupt) and
+"non branch" indicates an instruction such as CFI, STI or POPF).
+
+In addition, the current state of the interrupt flag is indicated by the presence
+or absence of the "D" (interrupt disabled) perf script flag. If the interrupt
+flag is changed, then the "t" flag is also included i.e.
+
+ no flag, interrupts enabled IF=1
+ t interrupts become disabled IF=1 -> IF=0
+ D interrupts are disabled IF=0
+ Dt interrupts become enabled IF=0 -> IF=1
+
+The intel-pt-events.py script illustrates how to access Event Trace information
+using a Python script.
+
+
+TNT Disable
+-----------
+
+TNT packets are disabled using the "notnt" config term. e.g.
+
+ perf record -e intel_pt/notnt/u uname
+
+In that case the --itrace q option is forced because walking executable code
+to reconstruct the control flow is not possible.
+
+
+Emulated PTWRITE
+----------------
+
+Later perf tools support a method to emulate the ptwrite instruction, which
+can be useful if hardware does not support the ptwrite instruction.
+
+Instead of using the ptwrite instruction, a function is used which produces
+a trace that encodes the payload data into TNT packets. Here is an example
+of the function:
+
+ #include <stdint.h>
+
+ void perf_emulate_ptwrite(uint64_t x)
+ __attribute__((externally_visible, noipa, no_instrument_function, naked));
+
+ #define PERF_EMULATE_PTWRITE_8_BITS \
+ "1: shl %rax\n" \
+ " jc 1f\n" \
+ "1: shl %rax\n" \
+ " jc 1f\n" \
+ "1: shl %rax\n" \
+ " jc 1f\n" \
+ "1: shl %rax\n" \
+ " jc 1f\n" \
+ "1: shl %rax\n" \
+ " jc 1f\n" \
+ "1: shl %rax\n" \
+ " jc 1f\n" \
+ "1: shl %rax\n" \
+ " jc 1f\n" \
+ "1: shl %rax\n" \
+ " jc 1f\n"
+
+ /* Undefined instruction */
+ #define PERF_EMULATE_PTWRITE_UD2 ".byte 0x0f, 0x0b\n"
+
+ #define PERF_EMULATE_PTWRITE_MAGIC PERF_EMULATE_PTWRITE_UD2 ".ascii \"perf,ptwrite \"\n"
+
+ void perf_emulate_ptwrite(uint64_t x __attribute__ ((__unused__)))
+ {
+ /* Assumes SysV ABI : x passed in rdi */
+ __asm__ volatile (
+ "jmp 1f\n"
+ PERF_EMULATE_PTWRITE_MAGIC
+ "1: mov %rdi, %rax\n"
+ PERF_EMULATE_PTWRITE_8_BITS
+ PERF_EMULATE_PTWRITE_8_BITS
+ PERF_EMULATE_PTWRITE_8_BITS
+ PERF_EMULATE_PTWRITE_8_BITS
+ PERF_EMULATE_PTWRITE_8_BITS
+ PERF_EMULATE_PTWRITE_8_BITS
+ PERF_EMULATE_PTWRITE_8_BITS
+ PERF_EMULATE_PTWRITE_8_BITS
+ "1: ret\n"
+ );
+ }
+
+For example, a test program with the function above:
+
+ #include <stdio.h>
+ #include <stdint.h>
+ #include <stdlib.h>
+
+ #include "perf_emulate_ptwrite.h"
+
+ int main(int argc, char *argv[])
+ {
+ uint64_t x = 0;
+
+ if (argc > 1)
+ x = strtoull(argv[1], NULL, 0);
+ perf_emulate_ptwrite(x);
+ return 0;
+ }
+
+Can be compiled and traced:
+
+ $ gcc -Wall -Wextra -O3 -g -o eg_ptw eg_ptw.c
+ $ perf record -e intel_pt//u ./eg_ptw 0x1234567890abcdef
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 0.017 MB perf.data ]
+ $ perf script --itrace=ew
+ eg_ptw 19875 [007] 8061.235912: ptwrite: IP: 0 payload: 0x1234567890abcdef 55701249a196 perf_emulate_ptwrite+0x16 (/home/user/eg_ptw)
+ $
+
+
+Pipe mode
+---------
+Pipe mode is a problem for Intel PT and possibly other auxtrace users.
+It's not recommended to use a pipe as data output with Intel PT because
+of the following reason.
+
+Essentially the auxtrace buffers do not behave like the regular perf
+event buffers. That is because the head and tail are updated by
+software, but in the auxtrace case the data is written by hardware.
+So the head and tail do not get updated as data is written.
+
+In the Intel PT case, the head and tail are updated only when the trace
+is disabled by software, for example:
+ - full-trace, system wide : when buffer passes watermark
+ - full-trace, not system-wide : when buffer passes watermark or
+ context switches
+ - snapshot mode : as above but also when a snapshot is made
+ - sample mode : as above but also when a sample is made
+
+That means finished-round ordering doesn't work. An auxtrace buffer
+can turn up that has data that extends back in time, possibly to the
+very beginning of tracing.
+
+For a perf.data file, that problem is solved by going through the trace
+and queuing up the auxtrace buffers in advance.
+
+For pipe mode, the order of events and timestamps can presumably
+be messed up.
+
+
+Pause or Resume Tracing
+-----------------------
+
+With newer Kernels, it is possible to use other selected events to pause
+or resume Intel PT tracing. This is configured by using the "aux-action"
+config term:
+
+"aux-action=pause" is used with events that are to pause Intel PT tracing.
+
+"aux-action=resume" is used with events that are to resume Intel PT tracing.
+
+"aux-action=start-paused" is used with the Intel PT event to start in a
+paused state.
+
+For example, to trace only the uname system call (sys_newuname) when running the
+command line utility uname:
+
+ $ perf record --kcore -e intel_pt/aux-action=start-paused/k,syscalls:sys_enter_newuname/aux-action=resume/,syscalls:sys_exit_newuname/aux-action=pause/ uname
+ Linux
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 0.043 MB perf.data ]
+ $ perf script --call-trace
+ uname 30805 [000] 24001.058782799: name: 0x7ffc9c1865b0
+ uname 30805 [000] 24001.058784424: psb offs: 0
+ uname 30805 [000] 24001.058784424: cbr: 39 freq: 3904 MHz (139%)
+ uname 30805 [000] 24001.058784629: ([kernel.kallsyms]) debug_smp_processor_id
+ uname 30805 [000] 24001.058784629: ([kernel.kallsyms]) __x64_sys_newuname
+ uname 30805 [000] 24001.058784629: ([kernel.kallsyms]) down_read
+ uname 30805 [000] 24001.058784629: ([kernel.kallsyms]) __cond_resched
+ uname 30805 [000] 24001.058784629: ([kernel.kallsyms]) preempt_count_add
+ uname 30805 [000] 24001.058784629: ([kernel.kallsyms]) in_lock_functions
+ uname 30805 [000] 24001.058784629: ([kernel.kallsyms]) preempt_count_sub
+ uname 30805 [000] 24001.058784629: ([kernel.kallsyms]) up_read
+ uname 30805 [000] 24001.058784629: ([kernel.kallsyms]) preempt_count_add
+ uname 30805 [000] 24001.058784838: ([kernel.kallsyms]) in_lock_functions
+ uname 30805 [000] 24001.058784838: ([kernel.kallsyms]) preempt_count_sub
+ uname 30805 [000] 24001.058784838: ([kernel.kallsyms]) _copy_to_user
+ uname 30805 [000] 24001.058784838: ([kernel.kallsyms]) syscall_exit_to_user_mode
+ uname 30805 [000] 24001.058784838: ([kernel.kallsyms]) syscall_exit_work
+ uname 30805 [000] 24001.058784838: ([kernel.kallsyms]) perf_syscall_exit
+ uname 30805 [000] 24001.058784838: ([kernel.kallsyms]) debug_smp_processor_id
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) perf_trace_buf_alloc
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) perf_swevent_get_recursion_context
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) debug_smp_processor_id
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) debug_smp_processor_id
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) perf_tp_event
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) perf_trace_buf_update
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) tracing_gen_ctx_irq_test
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) perf_swevent_event
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) __perf_event_account_interrupt
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) __this_cpu_preempt_check
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) perf_event_output_forward
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) perf_event_aux_pause
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) ring_buffer_get
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) __rcu_read_lock
+ uname 30805 [000] 24001.058785046: ([kernel.kallsyms]) __rcu_read_unlock
+ uname 30805 [000] 24001.058785254: ([kernel.kallsyms]) pt_event_stop
+ uname 30805 [000] 24001.058785254: ([kernel.kallsyms]) debug_smp_processor_id
+ uname 30805 [000] 24001.058785254: ([kernel.kallsyms]) debug_smp_processor_id
+ uname 30805 [000] 24001.058785254: ([kernel.kallsyms]) native_write_msr
+ uname 30805 [000] 24001.058785463: ([kernel.kallsyms]) native_write_msr
+ uname 30805 [000] 24001.058785639: 0x0
+
+The example above uses tracepoints, but any kind of sampled event can be used.
+
+For example:
+
+ Tracing between arch_cpu_idle_enter() and arch_cpu_idle_exit() using breakpoint events:
+
+ $ sudo cat /proc/kallsyms | sort | grep ' arch_cpu_idle_enter\| arch_cpu_idle_exit'
+ ffffffffb605bf60 T arch_cpu_idle_enter
+ ffffffffb614d8a0 W arch_cpu_idle_exit
+ $ sudo perf record --kcore -a -e intel_pt/aux-action=start-paused/k -e mem:0xffffffffb605bf60:x/aux-action=resume/ -e mem:0xffffffffb614d8a0:x/aux-action=pause/ -- sleep 1
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 1.387 MB perf.data ]
+
+ Tracing __alloc_pages() using kprobes:
+
+ $ sudo perf probe --add '__alloc_pages order'
+ Added new event: probe:__alloc_pages (on __alloc_pages with order)
+ $ sudo perf probe --add __alloc_pages%return
+ Added new event: probe:__alloc_pages__return (on __alloc_pages%return)
+ $ sudo perf record --kcore -aR -e intel_pt/aux-action=start-paused/k -e probe:__alloc_pages/aux-action=resume/ -e probe:__alloc_pages__return/aux-action=pause/ -- sleep 1
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 1.490 MB perf.data ]
+
+ Tracing starting at main() using a uprobe event:
+
+ $ sudo perf probe -x /usr/bin/uname main
+ Added new event: probe_uname:main (on main in /usr/bin/uname)
+ $ sudo perf record -e intel_pt/-aux-action=start-paused/u -e probe_uname:main/aux-action=resume/ -- uname
+ Linux
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 0.031 MB perf.data ]
+
+ Tracing occasionally using cycles events with different periods:
+
+ $ perf record --kcore -a -m,64M -e intel_pt/aux-action=start-paused/k -e cycles/aux-action=pause,period=1000000/Pk -e cycles/aux-action=resume,period=10500000/Pk -- firefox
+ [ perf record: Woken up 19 times to write data ]
+ [ perf record: Captured and wrote 16.561 MB perf.data ]
+
+
+EXAMPLE
+-------
+
+Examples can be found on perf wiki page "Perf tools support for Intel® Processor Trace":
+
+https://perf.wiki.kernel.org/index.php/Perf_tools_support_for_Intel%C2%AE_Processor_Trace
+
+
+SEE ALSO
+--------
+
+linkperf:perf-record[1], linkperf:perf-script[1], linkperf:perf-report[1],
+linkperf:perf-inject[1]
diff --git a/tools/perf/Documentation/perf-iostat.txt b/tools/perf/Documentation/perf-iostat.txt
new file mode 100644
index 000000000000..04d510364384
--- /dev/null
+++ b/tools/perf/Documentation/perf-iostat.txt
@@ -0,0 +1,88 @@
+perf-iostat(1)
+===============
+
+NAME
+----
+perf-iostat - Show I/O performance metrics
+
+SYNOPSIS
+--------
+[verse]
+'perf iostat' list
+'perf iostat' <ports> \-- <command> [<options>]
+
+DESCRIPTION
+-----------
+Mode is intended to provide four I/O performance metrics per each PCIe root port:
+
+- Inbound Read - I/O devices below root port read from the host memory, in MB
+
+- Inbound Write - I/O devices below root port write to the host memory, in MB
+
+- Outbound Read - CPU reads from I/O devices below root port, in MB
+
+- Outbound Write - CPU writes to I/O devices below root port, in MB
+
+OPTIONS
+-------
+<command>...::
+ Any command you can specify in a shell.
+
+list::
+ List all PCIe root ports.
+
+<ports>::
+ Select the root ports for monitoring. Comma-separated list is supported.
+
+EXAMPLES
+--------
+
+1. List all PCIe root ports (example for 2-S platform):
+
+ $ perf iostat list
+ S0-uncore_iio_0<0000:00>
+ S1-uncore_iio_0<0000:80>
+ S0-uncore_iio_1<0000:17>
+ S1-uncore_iio_1<0000:85>
+ S0-uncore_iio_2<0000:3a>
+ S1-uncore_iio_2<0000:ae>
+ S0-uncore_iio_3<0000:5d>
+ S1-uncore_iio_3<0000:d7>
+
+2. Collect metrics for all PCIe root ports:
+
+ $ perf iostat -- dd if=/dev/zero of=/dev/nvme0n1 bs=1M oflag=direct
+ 357708+0 records in
+ 357707+0 records out
+ 375083606016 bytes (375 GB, 349 GiB) copied, 215.974 s, 1.7 GB/s
+
+ Performance counter stats for 'system wide':
+
+ port Inbound Read(MB) Inbound Write(MB) Outbound Read(MB) Outbound Write(MB)
+ 0000:00 1 0 2 3
+ 0000:80 0 0 0 0
+ 0000:17 352552 43 0 21
+ 0000:85 0 0 0 0
+ 0000:3a 3 0 0 0
+ 0000:ae 0 0 0 0
+ 0000:5d 0 0 0 0
+ 0000:d7 0 0 0 0
+
+3. Collect metrics for comma-separated list of PCIe root ports:
+
+ $ perf iostat 0000:17,0:3a -- dd if=/dev/zero of=/dev/nvme0n1 bs=1M oflag=direct
+ 357708+0 records in
+ 357707+0 records out
+ 375083606016 bytes (375 GB, 349 GiB) copied, 197.08 s, 1.9 GB/s
+
+ Performance counter stats for 'system wide':
+
+ port Inbound Read(MB) Inbound Write(MB) Outbound Read(MB) Outbound Write(MB)
+ 0000:17 358559 44 0 22
+ 0000:3a 3 2 0 0
+
+ 197.081983474 seconds time elapsed
+
+SEE ALSO
+--------
+linkperf:perf-stat[1]
diff --git a/tools/perf/Documentation/perf-kallsyms.txt b/tools/perf/Documentation/perf-kallsyms.txt
index 954ea9e21236..c97527df8ecd 100644
--- a/tools/perf/Documentation/perf-kallsyms.txt
+++ b/tools/perf/Documentation/perf-kallsyms.txt
@@ -1,5 +1,5 @@
perf-kallsyms(1)
-==============
+================
NAME
----
@@ -8,7 +8,7 @@ perf-kallsyms - Searches running kernel for symbols
SYNOPSIS
--------
[verse]
-'perf kallsyms <options> symbol_name[,symbol_name...]'
+'perf kallsyms' [<options>] symbol_name[,symbol_name...]
DESCRIPTION
-----------
@@ -20,5 +20,5 @@ modules).
OPTIONS
-------
-v::
---verbose=::
+--verbose::
Increase verbosity level, showing details about symbol table loading, etc.
diff --git a/tools/perf/Documentation/perf-kmem.txt b/tools/perf/Documentation/perf-kmem.txt
index 479fc3261a50..f378ac59353d 100644
--- a/tools/perf/Documentation/perf-kmem.txt
+++ b/tools/perf/Documentation/perf-kmem.txt
@@ -8,22 +8,29 @@ perf-kmem - Tool to trace/measure kernel memory properties
SYNOPSIS
--------
[verse]
-'perf kmem' {record|stat} [<options>]
+'perf kmem' [<options>] {record|stat}
DESCRIPTION
-----------
There are two variants of perf kmem:
- 'perf kmem record <command>' to record the kmem events
- of an arbitrary workload.
+ 'perf kmem [<options>] record [<perf-record-options>] <command>' to
+ record the kmem events of an arbitrary workload. Additional 'perf
+ record' options may be specified after record, such as '-o' to
+ change the output file name.
- 'perf kmem stat' to report kernel memory statistics.
+ 'perf kmem [<options>] stat' to report kernel memory statistics.
OPTIONS
-------
-i <file>::
--input=<file>::
- Select the input file (default: perf.data unless stdin is a fifo)
+ For stat, select the input file (default: perf.data unless stdin is a
+ fifo)
+
+-f::
+--force::
+ Don't do ownership validation
-v::
--verbose::
@@ -61,7 +68,7 @@ OPTIONS
default, but this option shows live (currently allocated) pages
instead. (This option works with --page option only)
---time::
+--time=<start>,<stop>::
Only analyze samples within given time window: <start>,<stop>. Times
have the format seconds.microseconds. If start is not given (i.e., time
string is ',x.y') then analysis starts at the beginning of the file. If
diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt
index 6a5bb2b17039..c26524d38f47 100644
--- a/tools/perf/Documentation/perf-kvm.txt
+++ b/tools/perf/Documentation/perf-kvm.txt
@@ -58,7 +58,7 @@ There are a couple of variants of perf kvm:
events.
'perf kvm stat report' reports statistical data which includes events
- handled time, samples, and so on.
+ handled sample, percent_sample, time, percent_time, max_t, min_t, mean_t.
'perf kvm stat live' reports statistical data in a live mode (similar to
record + report but with statistical data updated live at a given display
@@ -68,31 +68,22 @@ OPTIONS
-------
-i::
--input=<path>::
- Input file name.
+ Input file name, for the 'report', 'diff' and 'buildid-list' subcommands.
-o::
--output=<path>::
- Output file name.
+ Output file name, for the 'record' subcommand. Doesn't work with 'report',
+ just redirect the output to a file when using 'report'.
--host::
Collect host side performance profile.
--guest::
Collect guest side performance profile.
---guestmount=<path>::
- Guest os root file system mount directory. Users mounts guest os
- root directories under <path> by a specific filesystem access method,
- typically, sshfs. For example, start 2 guest os. The one's pid is 8888
- and the other's is 9999.
- #mkdir ~/guestmount; cd ~/guestmount
- #sshfs -o allow_other,direct_io -p 5551 localhost:/ 8888/
- #sshfs -o allow_other,direct_io -p 5552 localhost:/ 9999/
- #perf kvm --host --guest --guestmount=~/guestmount top
---guestkallsyms=<path>::
- Guest os /proc/kallsyms file copy. 'perf' kvm' reads it to get guest
- kernel symbols. Users copy it out from guest os.
---guestmodules=<path>::
- Guest os /proc/modules file copy. 'perf' kvm' reads it to get guest
- kernel module information. Users copy it out from guest os.
---guestvmlinux=<path>::
- Guest os kernel vmlinux.
+
+:GMEXAMPLECMD: kvm --host --guest
+:GMEXAMPLESUBCMD: top
+include::guest-files.txt[]
+
+--stdio:: Use the stdio interface.
+
-v::
--verbose::
Be more verbose (show counter open errors, etc).
@@ -108,7 +99,10 @@ STAT REPORT OPTIONS
-k::
--key=<value>::
Sorting key. Possible values: sample (default, sort by samples
- number), time (sort by average time).
+ number), percent_sample (sort by sample percentage), time
+ (sort by average time), precent_time (sort by time percentage),
+ max_t (sort by maximum time), min_t (sort by minimum time), mean_t
+ (sort by mean time).
-p::
--pid=::
Analyze events only for given process ID(s) (comma separated list).
@@ -121,9 +115,9 @@ STAT LIVE OPTIONS
-m::
--mmap-pages=::
- Number of mmap data pages (must be a power of two) or size
- specification with appended unit character - B/K/M/G. The
- size is rounded up to have nearest pages power of two value.
+ Number of mmap data pages (must be a power of two) or size
+ specification in bytes with appended unit character - B/K/M/G.
+ The size is rounded up to the nearest power-of-two page value.
-a::
--all-cpus::
diff --git a/tools/perf/Documentation/perf-kwork.txt b/tools/perf/Documentation/perf-kwork.txt
new file mode 100644
index 000000000000..21e607669d78
--- /dev/null
+++ b/tools/perf/Documentation/perf-kwork.txt
@@ -0,0 +1,214 @@
+perf-kwork(1)
+=============
+
+NAME
+----
+perf-kwork - Tool to trace/measure kernel work properties (latencies)
+
+SYNOPSIS
+--------
+[verse]
+'perf kwork' {record|report|latency|timehist|top}
+
+DESCRIPTION
+-----------
+There are several variants of 'perf kwork':
+
+ 'perf kwork record <command>' to record the kernel work
+ of an arbitrary workload.
+
+ 'perf kwork report' to report the per kwork runtime.
+
+ 'perf kwork latency' to report the per kwork latencies.
+
+ 'perf kwork timehist' provides an analysis of kernel work events.
+
+ 'perf kwork top' to report the task cpu usage.
+
+ Example usage:
+ perf kwork record -- sleep 1
+ perf kwork report
+ perf kwork report -b
+ perf kwork latency
+ perf kwork latency -b
+ perf kwork timehist
+ perf kwork top
+ perf kwork top -b
+
+ By default it shows the individual work events such as irq, workqueue,
+ including the run time and delay (time between raise and actually entry):
+
+ Runtime start Runtime end Cpu Kwork name Runtime Delaytime
+ (TYPE)NAME:NUM (msec) (msec)
+ ----------------- ----------------- ------ ------------------------- ---------- ----------
+ 1811186.976062 1811186.976327 [0000] (s)RCU:9 0.266 0.114
+ 1811186.978452 1811186.978547 [0000] (s)SCHED:7 0.095 0.171
+ 1811186.980327 1811186.980490 [0000] (s)SCHED:7 0.162 0.083
+ 1811186.981221 1811186.981271 [0000] (s)SCHED:7 0.050 0.077
+ 1811186.984267 1811186.984318 [0000] (s)SCHED:7 0.051 0.075
+ 1811186.987252 1811186.987315 [0000] (s)SCHED:7 0.063 0.081
+ 1811186.987785 1811186.987843 [0006] (s)RCU:9 0.058 0.645
+ 1811186.988319 1811186.988383 [0000] (s)SCHED:7 0.064 0.143
+ 1811186.989404 1811186.989607 [0002] (s)TIMER:1 0.203 0.111
+ 1811186.989660 1811186.989732 [0002] (s)SCHED:7 0.072 0.310
+ 1811186.991295 1811186.991407 [0002] eth0:10 0.112
+ 1811186.991639 1811186.991734 [0002] (s)NET_RX:3 0.095 0.277
+ 1811186.989860 1811186.991826 [0002] (w)vmstat_shepherd 1.966 0.345
+ ...
+
+ Times are in msec.usec.
+
+OPTIONS
+-------
+-D::
+--dump-raw-trace=::
+ Display verbose dump of the sched data.
+
+-f::
+--force::
+ Don't complain, do it.
+
+-k::
+--kwork::
+ List of kwork to profile (irq, softirq, workqueue, sched, etc)
+
+-v::
+--verbose::
+ Be more verbose. (show symbol address, etc)
+
+OPTIONS for 'perf kwork report'
+----------------------------
+
+-b::
+--use-bpf::
+ Use BPF to measure kwork runtime
+
+-C::
+--cpu::
+ Only show events for the given CPU(s) (comma separated list).
+
+-i::
+--input::
+ Input file name. (default: perf.data unless stdin is a fifo)
+
+-n::
+--name::
+ Only show events for the given name.
+
+-s::
+--sort::
+ Sort by key(s): runtime, max, count
+
+-S::
+--with-summary::
+ Show summary with statistics
+
+--time::
+ Only analyze samples within given time window: <start>,<stop>. Times
+ have the format seconds.microseconds. If start is not given (i.e., time
+ string is ',x.y') then analysis starts at the beginning of the file. If
+ stop time is not given (i.e, time string is 'x.y,') then analysis goes
+ to end of file.
+
+OPTIONS for 'perf kwork latency'
+----------------------------
+
+-b::
+--use-bpf::
+ Use BPF to measure kwork latency
+
+-C::
+--cpu::
+ Only show events for the given CPU(s) (comma separated list).
+
+-i::
+--input::
+ Input file name. (default: perf.data unless stdin is a fifo)
+
+-n::
+--name::
+ Only show events for the given name.
+
+-s::
+--sort::
+ Sort by key(s): avg, max, count
+
+--time::
+ Only analyze samples within given time window: <start>,<stop>. Times
+ have the format seconds.microseconds. If start is not given (i.e., time
+ string is ',x.y') then analysis starts at the beginning of the file. If
+ stop time is not given (i.e, time string is 'x.y,') then analysis goes
+ to end of file.
+
+OPTIONS for 'perf kwork timehist'
+---------------------------------
+
+-C::
+--cpu::
+ Only show events for the given CPU(s) (comma separated list).
+
+-g::
+--call-graph::
+ Display call chains if present (default off).
+
+-i::
+--input::
+ Input file name. (default: perf.data unless stdin is a fifo)
+
+-k::
+--vmlinux=<file>::
+ Vmlinux pathname
+
+-n::
+--name::
+ Only show events for the given name.
+
+--kallsyms=<file>::
+ Kallsyms pathname
+
+--max-stack::
+ Maximum number of functions to display in backtrace, default 5.
+
+--symfs=<directory>::
+ Look for files with symbols relative to this directory.
+
+--time::
+ Only analyze samples within given time window: <start>,<stop>. Times
+ have the format seconds.microseconds. If start is not given (i.e., time
+ string is ',x.y') then analysis starts at the beginning of the file. If
+ stop time is not given (i.e, time string is 'x.y,') then analysis goes
+ to end of file.
+
+OPTIONS for 'perf kwork top'
+---------------------------------
+
+-b::
+--use-bpf::
+ Use BPF to measure task cpu usage.
+
+-C::
+--cpu::
+ Only show events for the given CPU(s) (comma separated list).
+
+-i::
+--input::
+ Input file name. (default: perf.data unless stdin is a fifo)
+
+-n::
+--name::
+ Only show events for the given name.
+
+-s::
+--sort::
+ Sort by key(s): rate, runtime, tid
+
+--time::
+ Only analyze samples within given time window: <start>,<stop>. Times
+ have the format seconds.microseconds. If start is not given (i.e., time
+ string is ',x.y') then analysis starts at the beginning of the file. If
+ stop time is not given (i.e, time string is 'x.y,') then analysis goes
+ to end of file.
+
+SEE ALSO
+--------
+linkperf:perf-record[1]
diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt
index f709de54707b..a4378a0cd914 100644
--- a/tools/perf/Documentation/perf-list.txt
+++ b/tools/perf/Documentation/perf-list.txt
@@ -8,7 +8,8 @@ perf-list - List all symbolic event types
SYNOPSIS
--------
[verse]
-'perf list' [--no-desc] [--long-desc] [hw|sw|cache|tracepoint|pmu|sdt|event_glob]
+'perf list' [<options>]
+ [hw|sw|cache|tracepoint|pmu|sdt|metric|metricgroup|event_glob]
DESCRIPTION
-----------
@@ -17,17 +18,38 @@ various perf commands with the -e option.
OPTIONS
-------
+-d::
+--desc::
+Print extra event descriptions. (default)
+
--no-desc::
Don't print descriptions.
-v::
--long-desc::
-Print longer event descriptions.
+Print longer event descriptions and all similar PMUs with alphanumeric suffixes.
+
+--debug::
+Enable debugging output.
--details::
Print how named events are resolved internally into perf events, and also
any extra expressions computed by perf stat.
+--deprecated::
+Print deprecated events. By default the deprecated events are hidden.
+
+--unit::
+Print PMU events and metrics limited to the specific PMU name.
+(e.g. --unit cpu, --unit msr, --unit cpu_core, --unit cpu_atom)
+
+-j::
+--json::
+Output in JSON format.
+
+-o::
+--output=::
+ Output file name. By default output is written to stdout.
[[EVENT_MODIFIERS]]
EVENT MODIFIERS
@@ -47,6 +69,11 @@ counted. The following modifiers exist:
P - use maximum detected precise level
S - read sample value (PERF_SAMPLE_READ)
D - pin the event to the PMU
+ W - group is weak and will fallback to non-group if not schedulable,
+ e - group or event are exclusive and do not share the PMU
+ b - use BPF aggregration (see perf stat --bpf-counters)
+ R - retire latency value of the event
+ X - don't regroup the event to match PMUs
The 'p' modifier can be used for specifying how precise the instruction
address should be. The 'p' modifier can be specified multiple times:
@@ -61,11 +88,17 @@ For Intel systems precise event sampling is implemented with PEBS
which supports up to precise-level 2, and precise level 3 for
some special cases
-On AMD systems it is implemented using IBS (up to precise-level 2).
-The precise modifier works with event types 0x76 (cpu-cycles, CPU
-clocks not halted) and 0xC1 (micro-ops retired). Both events map to
-IBS execution sampling (IBS op) with the IBS Op Counter Control bit
-(IbsOpCntCtl) set respectively (see AMD64 Architecture Programmer’s
+On AMD systems it is implemented using IBS OP (up to precise-level 2).
+Unlike Intel PEBS which provides levels of precision, AMD core pmu is
+inherently non-precise and IBS is inherently precise. (i.e. ibs_op//,
+ibs_op//p, ibs_op//pp and ibs_op//ppp are all same). The precise modifier
+works with event types 0x76 (cpu-cycles, CPU clocks not halted) and 0xC1
+(micro-ops retired). Both events map to IBS execution sampling (IBS op)
+with the IBS Op Counter Control bit (IbsOpCntCtl) set respectively (see the
+Core Complex (CCX) -> Processor x86 Core -> Instruction Based Sampling (IBS)
+section of the [AMD Processor Programming Reference (PPR)] relevant to the
+family, model and stepping of the processor being used).
+
Manual Volume 2: System Programming, 13.3 Instruction-Based
Sampling). Examples to use IBS:
@@ -78,10 +111,12 @@ RAW HARDWARE EVENT DESCRIPTOR
Even when an event is not available in a symbolic form within perf right now,
it can be encoded in a per processor specific way.
-For instance For x86 CPUs NNN represents the raw register encoding with the
+For instance on x86 CPUs, N is a hexadecimal value that represents the raw register encoding with the
layout of IA32_PERFEVTSELx MSRs (see [Intel® 64 and IA-32 Architectures Software Developer's Manual Volume 3B: System Programming Guide] Figure 30-1 Layout
-of IA32_PERFEVTSELx MSRs) or AMD's PerfEvtSeln (see [AMD64 Architecture Programmer’s Manual Volume 2: System Programming], Page 344,
-Figure 13-7 Performance Event-Select Register (PerfEvtSeln)).
+of IA32_PERFEVTSELx MSRs) or AMD's PERF_CTL MSRs (see the
+Core Complex (CCX) -> Processor x86 Core -> MSR Registers section of the
+[AMD Processor Programming Reference (PPR)] relevant to the family, model
+and stepping of the processor being used).
Note: Only the following bit fields can be set in x86 counter
registers: event, umask, edge, inv, cmask. Esp. guest/host only and
@@ -104,6 +139,44 @@ raw encoding of 0x1A8 can be used:
perf stat -e r1a8 -a sleep 1
perf record -e r1a8 ...
+It's also possible to use pmu syntax:
+
+ perf record -e r1a8 -a sleep 1
+ perf record -e cpu/r1a8/ ...
+ perf record -e cpu/r0x1a8/ ...
+
+Some processors, like those from AMD, support event codes and unit masks
+larger than a byte. In such cases, the bits corresponding to the event
+configuration parameters can be seen with:
+
+ cat /sys/bus/event_source/devices/<pmu>/format/<config>
+
+Example:
+
+If the AMD docs for an EPYC 7713 processor describe an event as:
+
+ Event Umask Event Mask
+ Num. Value Mnemonic Description
+
+ 28FH 03H op_cache_hit_miss.op_cache_hit Counts Op Cache micro-tag
+ hit events.
+
+raw encoding of 0x0328F cannot be used since the upper nibble of the
+EventSelect bits have to be specified via bits 32-35 as can be seen with:
+
+ cat /sys/bus/event_source/devices/cpu/format/event
+
+raw encoding of 0x20000038F should be used instead:
+
+ perf stat -e r20000038f -a sleep 1
+ perf record -e r20000038f ...
+
+It's also possible to use pmu syntax:
+
+ perf record -e r20000038f -a sleep 1
+ perf record -e cpu/r20000038f/ ...
+ perf record -e cpu/r0x20000038f/ ...
+
You should refer to the processor specific documentation for getting these
details. Some of them are referenced in the SEE ALSO section below.
@@ -116,12 +189,16 @@ in the CPU vendor specific documentation.
The available PMUs and their raw parameters can be listed with
- ls /sys/devices/*/format
+ ls /sys/bus/event_source/devices/*/format
For example the raw event "LSD.UOPS" core pmu event above could
be specified as
- perf stat -e cpu/event=0xa8,umask=0x1,name=LSD.UOPS_CYCLES,cmask=1/ ...
+ perf stat -e cpu/event=0xa8,umask=0x1,name=LSD.UOPS_CYCLES,cmask=0x1/ ...
+
+ or using extended name syntax
+
+ perf stat -e cpu/event=0xa8,umask=0x1,cmask=0x1,name=\'LSD.UOPS_CYCLES:cmask=0x1\'/ ...
PER SOCKET PMUS
---------------
@@ -138,7 +215,13 @@ on the first memory controller on socket 0 of a Intel Xeon system
Each memory controller has its own PMU. Measuring the complete system
bandwidth would require specifying all imc PMUs (see perf list output),
-and adding the values together.
+and adding the values together. To simplify creation of multiple events,
+prefix and glob matching is supported in the PMU name, and the prefix
+'uncore_' is also ignored when performing the match. So the command above
+can be expanded to all memory controllers by using the syntaxes:
+
+ perf stat -C 0 -a imc/cas_count_read/,imc/cas_count_write/ -I 1000 ...
+ perf stat -C 0 -a *imc*/cas_count_read/,*imc*/cas_count_write/ -I 1000 ...
This example measures the combined core power every second
@@ -154,13 +237,28 @@ like cycles and instructions and some software events.
Other PMUs and global measurements are normally root only.
Some event qualifiers, such as "any", are also root only.
-This can be overriden by setting the kernel.perf_event_paranoid
+This can be overridden by setting the kernel.perf_event_paranoid
sysctl to -1, which allows non root to use these events.
For accessing trace point events perf needs to have read access to
-/sys/kernel/debug/tracing, even when perf_event_paranoid is in a relaxed
+/sys/kernel/tracing, even when perf_event_paranoid is in a relaxed
setting.
+TOOL/HWMON EVENTS
+-----------------
+
+Some events don't have an associated PMU instead reading values
+available to software without perf_event_open. As these events don't
+support sampling they can only really be read by tools like perf stat.
+
+Tool events provide times and certain system parameters. Examples
+include duration_time, user_time, system_time and num_cpus_online.
+
+Hwmon events provide easy access to hwmon sysfs data typically in
+/sys/class/hwmon. This information includes temperatures, fan speeds
+and energy usage.
+
+
TRACING
-------
@@ -181,6 +279,34 @@ also be supplied. For example:
perf stat -C 0 -e 'hv_gpci/dtbp_ptitc,phys_processor_idx=0x2/' ...
+EVENT QUALIFIERS
+----------------
+
+It is also possible to add extra qualifiers to an event:
+
+percore:
+
+ Sums up the event counts for all hardware threads in a core, e.g.:
+ perf stat -e cpu/event=0,umask=0x3,percore=1/
+
+cpu:
+
+ Specifies a CPU or a range of CPUs to open the event upon. It may
+ also reference a PMU to copy the CPU mask from. The value may be
+ repeated to specify opening the event on multiple CPUs.
+
+ Example 1: to open the instructions event on CPUs 0 and 2, the
+ cycles event on CPUs 1 and 2:
+ perf stat -e instructions/cpu=0,cpu=2/,cycles/cpu=1-2/ -a sleep 1
+
+ Example 2: to open the data_read uncore event on CPU 0 and the
+ data_write uncore event on CPU 1:
+ perf stat -e data_read/cpu=0/,data_write/cpu=1/ -a sleep 1
+
+ Example 3: to open the software msr/tsc/ event only on the CPUs
+ matching those from the cpu_core PMU:
+ perf stat -e msr/tsc,cpu=cpu_core/ -a sleep 1
+
EVENT GROUPS
------------
@@ -201,7 +327,7 @@ For example Intel Core CPUs typically have four generic performance counters
for the core, plus three fixed counters for instructions, cycles and
ref-cycles. Some special events have restrictions on which counter they
can schedule, and may not support multiple instances in a single group.
-When too many events are specified in the group none of them will not
+When too many events are specified in the group some of them will not
be measured.
Globally pinned events can limit the number of counters available for
@@ -221,10 +347,13 @@ perf also supports group leader sampling using the :S specifier.
perf record -e '{cycles,instructions}:S' ...
perf report --group
-Normally all events in a event group sample, but with :S only
+Normally all events in an event group sample, but with :S only
the first event (the leader) samples, and it only reads the values of the
other events in the group.
+However, in the case AUX area events (e.g. Intel PT or CoreSight), the AUX
+area event must be the leader, so then the second event samples, not the first.
+
OPTIONS
-------
@@ -246,6 +375,10 @@ To limit the list use:
. 'sdt' to list all Statically Defined Tracepoint events.
+. 'metric' to list metrics
+
+. 'metricgroup' to list metricgroups with metrics.
+
. If none of the above is matched, it will apply the supplied glob to all
events, printing the ones that match.
@@ -260,9 +393,11 @@ Support raw format:
. '--raw-dump [hw|sw|cache|tracepoint|pmu|event_glob]', shows the raw-dump of
a certain kind of events.
+include::intel-acr.txt[]
+
SEE ALSO
--------
linkperf:perf-stat[1], linkperf:perf-top[1],
linkperf:perf-record[1],
http://www.intel.com/sdm/[Intel® 64 and IA-32 Architectures Software Developer's Manual Volume 3B: System Programming Guide],
-http://support.amd.com/us/Processor_TechDocs/24593_APM_v2.pdf[AMD64 Architecture Programmer’s Manual Volume 2: System Programming]
+https://bugzilla.kernel.org/show_bug.cgi?id=206537[AMD Processor Programming Reference (PPR)]
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
index ab25be28c9dc..c17b3e318169 100644
--- a/tools/perf/Documentation/perf-lock.txt
+++ b/tools/perf/Documentation/perf-lock.txt
@@ -8,7 +8,7 @@ perf-lock - Analyze lock events
SYNOPSIS
--------
[verse]
-'perf lock' {record|report|script|info}
+'perf lock' {record|report|script|info|contention}
DESCRIPTION
-----------
@@ -27,6 +27,8 @@ and statistics with this 'perf lock' command.
'perf lock info' shows metadata like threads or addresses
of lock instances.
+ 'perf lock contention' shows contention statistics.
+
COMMON OPTIONS
--------------
@@ -34,14 +36,32 @@ COMMON OPTIONS
--input=<file>::
Input file name. (default: perf.data unless stdin is a fifo)
+--output=<file>::
+ Output file name for perf lock contention and report.
+
-v::
--verbose::
Be more verbose (show symbol address, etc).
+-q::
+--quiet::
+ Do not show any warnings or messages. (Suppress -v)
+
-D::
--dump-raw-trace::
Dump raw trace in ASCII.
+-f::
+--force::
+ Don't complain, do it.
+
+--vmlinux=<file>::
+ vmlinux pathname
+
+--kallsyms=<file>::
+ kallsyms pathname
+
+
REPORT OPTIONS
--------------
@@ -50,16 +70,167 @@ REPORT OPTIONS
Sorting key. Possible values: acquired (default), contended,
avg_wait, wait_total, wait_max, wait_min.
+-F::
+--field=<value>::
+ Output fields. By default it shows all the fields but users can
+ customize that using this. Possible values: acquired, contended,
+ avg_wait, wait_total, wait_max, wait_min.
+
+-c::
+--combine-locks::
+ Merge lock instances in the same class (based on name).
+
+-t::
+--threads::
+ The -t option is to show per-thread lock stat like below:
+
+ $ perf lock report -t -F acquired,contended,avg_wait
+
+ Name acquired contended avg wait (ns)
+
+ perf 240569 9 5784
+ swapper 106610 19 543
+ :15789 17370 2 14538
+ ContainerMgr 8981 6 874
+ sleep 5275 1 11281
+ ContainerThread 4416 4 944
+ RootPressureThr 3215 5 1215
+ rcu_preempt 2954 0 0
+ ContainerMgr 2560 0 0
+ unnamed 1873 0 0
+ EventManager_De 1845 1 636
+ futex-default-S 1609 0 0
+
+-E::
+--entries=<value>::
+ Display this many entries.
+
+
INFO OPTIONS
------------
-t::
--threads::
- dump thread list in perf.data
+ dump only the thread list in perf.data
-m::
--map::
- dump map of lock instances (address:name table)
+ dump only the map of lock instances (address:name table)
+
+
+CONTENTION OPTIONS
+------------------
+
+-k::
+--key=<value>::
+ Sorting key. Possible values: contended, wait_total (default),
+ wait_max, wait_min, avg_wait.
+
+-F::
+--field=<value>::
+ Output fields. By default it shows all but the wait_min fields
+ and users can customize that using this. Possible values:
+ contended, wait_total, wait_max, wait_min, avg_wait.
+
+-t::
+--threads::
+ Show per-thread lock contention stat
+
+-b::
+--use-bpf::
+ Use BPF program to collect lock contention stats instead of
+ using the input data.
+
+-a::
+--all-cpus::
+ System-wide collection from all CPUs.
+
+-C::
+--cpu=<value>::
+ Collect samples only on the list of CPUs provided. Multiple CPUs can be
+ provided as a comma-separated list with no space: 0,1. Ranges of CPUs
+ are specified with -: 0-2. Default is to monitor all CPUs.
+
+-p::
+--pid=<value>::
+ Record events on existing process ID (comma separated list).
+
+--tid=<value>::
+ Record events on existing thread ID (comma separated list).
+
+-M::
+--map-nr-entries=<value>::
+ Maximum number of BPF map entries (default: 16384).
+ This will be aligned to a power of 2.
+
+--max-stack=<value>::
+ Maximum stack depth when collecting lock contention (default: 8).
+
+--stack-skip=<value>::
+ Number of stack depth to skip when finding a lock caller (default: 3).
+
+-E::
+--entries=<value>::
+ Display this many entries.
+
+-l::
+--lock-addr::
+ Show lock contention stat by address
+
+-o::
+--lock-owner::
+ Show lock contention stat by owners. This option can be combined with -t,
+ which shows owner's per thread lock stats, or -v, which shows owner's
+ stacktrace. Requires --use-bpf.
+
+-Y::
+--type-filter=<value>::
+ Show lock contention only for given lock types (comma separated list).
+ Available values are:
+ semaphore, spinlock, rwlock, rwlock:R, rwlock:W, rwsem, rwsem:R, rwsem:W,
+ rtmutex, rwlock-rt, rwlock-rt:R, rwlock-rt:W, percpu-rwmem, pcpu-sem,
+ pcpu-sem:R, pcpu-sem:W, mutex
+
+ Note that RW-variant of locks have :R and :W suffix. Names without the
+ suffix are shortcuts for the both variants. Ex) rwsem = rwsem:R + rwsem:W.
+
+-L::
+--lock-filter=<value>::
+ Show lock contention only for given lock addresses or names (comma separated list).
+
+-S::
+--callstack-filter=<value>::
+ Show lock contention only if the callstack contains the given string.
+ Note that it matches the substring so 'rq' would match both 'raw_spin_rq_lock'
+ and 'irq_enter_rcu'.
+
+-x::
+--field-separator=<SEP>::
+ Show results using a CSV-style output to make it easy to import directly
+ into spreadsheets. Columns are separated by the string specified in SEP.
+
+--lock-cgroup::
+ Show lock contention stat by cgroup. Requires --use-bpf.
+
+-G::
+--cgroup-filter=<value>::
+ Show lock contention only in the given cgroups (comma separated list).
+
+-J::
+--inject-delay=<time@function>::
+ Add delays to the given lock. It's added to the contention-end part so
+ that the (new) owner of the lock will be delayed. But by slowing down
+ the owner, the waiters will also be delayed as well. This is working
+ only with -b/--use-bpf.
+
+ The 'time' is specified in nsec but it can have a unit suffix. Available
+ units are "ms", "us" and "ns". Currently it accepts up to 10ms of delays
+ for safety reasons.
+
+ Note that it will busy-wait after it gets the lock. Delaying locks can
+ have significant consequences including potential kernel crashes. Please
+ use it at your own risk.
+
SEE ALSO
--------
diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt
index 73496320fca3..4d164836d094 100644
--- a/tools/perf/Documentation/perf-mem.txt
+++ b/tools/perf/Documentation/perf-mem.txt
@@ -21,32 +21,44 @@ and stores are sampled. Use the -t option to limit to loads or stores.
Note that on Intel systems the memory latency reported is the use-latency,
not the pure load (or store latency). Use latency includes any pipeline
-queueing delays in addition to the memory subsystem latency.
+queuing delays in addition to the memory subsystem latency.
-OPTIONS
--------
-<command>...::
- Any command you can specify in a shell.
+On Arm64 this uses SPE to sample load and store operations, therefore hardware
+and kernel support is required. See linkperf:perf-arm-spe[1] for a setup guide.
+Due to the statistical nature of SPE sampling, not every memory operation will
+be sampled.
+
+On AMD this use IBS Op PMU to sample load-store operations.
+
+COMMON OPTIONS
+--------------
+-f::
+--force::
+ Don't do ownership validation
-t::
---type=::
+--type=<type>::
Select the memory operation type: load or store (default: load,store)
--D::
---dump-raw-samples=::
- Dump the raw decoded samples on the screen in a format that is easy to parse with
- one sample per line.
+-v::
+--verbose::
+ Be more verbose (show counter open errors, etc)
--x::
---field-separator::
- Specify the field separator used when dump raw samples (-D option). By default,
- The separator is the space character.
+-p::
+--phys-data::
+ Record/Report sample physical addresses
--C::
---cpu-list::
- Restrict dump of raw samples to those provided via this option. Note that the same
- option can be passed in record mode. It will be interpreted the same way as perf
- record.
+--data-page-size::
+ Record/Report sample data address page size
+
+RECORD OPTIONS
+--------------
+<command>...::
+ Any command you can specify in a shell.
+
+-e::
+--event <event>::
+ Event selector. Use 'perf mem record -e list' to list available events.
-K::
--all-kernel::
@@ -56,9 +68,144 @@ OPTIONS
--all-user::
Configure all used events to run in user space.
---ldload::
- Specify desired latency for loads event.
+--ldlat <n>::
+ Specify desired latency for loads event. Supported on Intel, Arm64 and
+ some AMD processors. Ignored on other archs.
+
+ On supported AMD processors:
+ - /sys/bus/event_source/devices/ibs_op/caps/ldlat file contains '1'.
+ - Supported latency values are 128 to 2048 (both inclusive).
+ - Latency value which is a multiple of 128 incurs a little less profiling
+ overhead compared to other values.
+ - Load latency filtering is disabled by default.
+
+REPORT OPTIONS
+--------------
+-i::
+--input=<file>::
+ Input file name.
+
+-C::
+--cpu=<cpu>::
+ Monitor only on the list of CPUs provided. Multiple CPUs can be provided as a
+ comma-separated list with no space: 0,1. Ranges of CPUs are specified with -
+ like 0-2. Default is to monitor all CPUS.
+
+-D::
+--dump-raw-samples::
+ Dump the raw decoded samples on the screen in a format that is easy to parse with
+ one sample per line.
+
+-s::
+--sort=<key>::
+ Group result by given key(s) - multiple keys can be specified
+ in CSV format. The keys are specific to memory samples are:
+ symbol_daddr, symbol_iaddr, dso_daddr, locked, tlb, mem, snoop,
+ dcacheline, phys_daddr, data_page_size, blocked.
+
+ - symbol_daddr: name of data symbol being executed on at the time of sample
+ - symbol_iaddr: name of code symbol being executed on at the time of sample
+ - dso_daddr: name of library or module containing the data being executed
+ on at the time of the sample
+ - locked: whether the bus was locked at the time of the sample
+ - tlb: type of tlb access for the data at the time of the sample
+ - mem: type of memory access for the data at the time of the sample
+ - snoop: type of snoop (if any) for the data at the time of the sample
+ - dcacheline: the cacheline the data address is on at the time of the sample
+ - phys_daddr: physical address of data being executed on at the time of sample
+ - data_page_size: the data page size of data being executed on at the time of sample
+ - blocked: reason of blocked load access for the data at the time of the sample
+
+ And the default sort keys are changed to local_weight, mem, sym, dso,
+ symbol_daddr, dso_daddr, snoop, tlb, locked, blocked, local_ins_lat.
+
+-F::
+--fields=::
+ Specify output field - multiple keys can be specified in CSV format.
+ Please see linkperf:perf-report[1] for details.
+
+ In addition to the default fields, 'perf mem report' will provide the
+ following fields to break down sample periods.
+
+ - op: operation in the sample instruction (load, store, prefetch, ...)
+ - cache: location in CPU cache (L1, L2, ...) where the sample hit
+ - mem: location in memory or other places the sample hit
+ - dtlb: location in Data TLB (L1, L2) where the sample hit
+ - snoop: snoop result for the sampled data access
+
+ Please take a look at the OUTPUT FIELD SELECTION section for caveats.
+
+-T::
+--type-profile::
+ Show data-type profile result instead of code symbols. This requires
+ the debug information and it will change the default sort keys to:
+ mem, snoop, tlb, type.
+
+-U::
+--hide-unresolved::
+ Only display entries resolved to a symbol.
+
+-x::
+--field-separator=<separator>::
+ Specify the field separator used when dump raw samples (-D option). By default,
+ The separator is the space character.
+
+In addition, for report all perf report options are valid, and for record
+all perf record options.
+
+OVERHEAD CALCULATION
+--------------------
+Unlike linkperf:perf-report[1], which calculates overhead from the actual
+sample period, perf-mem overhead is calculated using sample weight. E.g.
+there are two samples in perf.data file, both with the same sample period,
+but one sample with weight 180 and the other with weight 20:
+
+ $ perf script -F period,data_src,weight,ip,sym
+ 100000 629080842 |OP LOAD|LVL L3 hit|... 20 7e69b93ca524 strcmp
+ 100000 1a29081042 |OP LOAD|LVL RAM hit|... 180 ffffffff82429168 memcpy
+
+ $ perf report -F overhead,symbol
+ 50% [.] strcmp
+ 50% [k] memcpy
+
+ $ perf mem report -F overhead,symbol
+ 90% [k] memcpy
+ 10% [.] strcmp
+
+OUTPUT FIELD SELECTION
+----------------------
+"perf mem report" adds a number of new output fields specific to data source
+information in the sample. Some of them have the same name with the existing
+sort keys ("mem" and "snoop"). So unlike other fields and sort keys, they'll
+behave differently when it's used by -F/--fields or -s/--sort.
+
+Using those two as output fields will aggregate samples altogether and show
+breakdown.
+
+ $ perf mem report -F mem,snoop
+ ...
+ # ------ Memory ------- --- Snoop ----
+ # RAM Uncach Other HitM Other
+ # ..................... ..............
+ #
+ 3.5% 0.0% 96.5% 25.1% 74.9%
+
+But using the same name for sort keys will aggregate samples for each type
+separately.
+
+ $ perf mem report -s mem,snoop
+ # Overhead Samples Memory access Snoop
+ # ........ ............ ....................................... ............
+ #
+ 47.99% 1509 L2 hit N/A
+ 25.08% 338 core, same node Any cache hit HitM
+ 10.24% 54374 N/A N/A
+ 6.77% 35938 L1 hit N/A
+ 6.39% 101 core, same node Any cache hit N/A
+ 3.50% 69 RAM hit N/A
+ 0.03% 158 LFB/MAB hit N/A
+ 0.00% 2 Uncached hit N/A
SEE ALSO
--------
-linkperf:perf-record[1], linkperf:perf-report[1]
+linkperf:perf-record[1], linkperf:perf-report[1], linkperf:perf-arm-spe[1]
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index e6c9902c6d82..5c43a6edc0e5 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -57,7 +57,7 @@ OPTIONS
-q::
--quiet::
- Be quiet (do not show any messages including errors).
+ Do not show any warnings or messages.
Can not use with -v.
-a::
@@ -130,6 +130,11 @@ OPTIONS
--max-probes=NUM::
Set the maximum number of probe points for an event. Default is 128.
+--target-ns=PID:
+ Obtain mount namespace information from the target pid. This is
+ used when creating a uprobe for a process that resides in a
+ different mount namespace from the perf(1) utility.
+
-x::
--exec=PATH::
Specify path to the executable or shared library file for user
@@ -165,7 +170,7 @@ Probe points are defined by following syntax.
or,
sdt_PROVIDER:SDTEVENT
-'EVENT' specifies the name of new event, if omitted, it will be set the name of the probed function. You can also specify a group name by 'GROUP', if omitted, set 'probe' is used for kprobe and 'probe_<bin>' is used for uprobe.
+'EVENT' specifies the name of new event, if omitted, it will be set the name of the probed function, and for return probes, a "\_\_return" suffix is automatically added to the function name. You can also specify a group name by 'GROUP', if omitted, set 'probe' is used for kprobe and 'probe_<bin>' is used for uprobe.
Note that using existing group name can conflict with other events. Especially, using the group name reserved for kernel modules can hide embedded events in the
modules.
'FUNC' specifies a probed function name, and it may have one of the following options; '+OFFS' is the offset from function entry address in bytes, ':RLN' is the relative-line number from function entry line, and '%return' means that it probes function return. And ';PTN' means lazy matching pattern (see LAZY MATCHING). Note that ';PTN' must be the end of the probe point definition. In addition, '@SRC' specifies a source file which has that function.
@@ -177,16 +182,25 @@ Note that before using the SDT event, the target binary (on which SDT events are
For details of the SDT, see below.
https://sourceware.org/gdb/onlinedocs/gdb/Static-Probe-Points.html
+ESCAPED CHARACTER
+-----------------
+
+In the probe syntax, '=', '@', '+', ':' and ';' are treated as a special character. You can use a backslash ('\') to escape the special characters.
+This is useful if you need to probe on a specific versioned symbols, like @GLIBC_... suffixes, or also you need to specify a source file which includes the special characters.
+Note that usually single backslash is consumed by shell, so you might need to pass double backslash (\\) or wrapping with single quotes (\'AAA\@BBB').
+See EXAMPLES how it is used.
+
PROBE ARGUMENT
--------------
Each probe argument follows below syntax.
- [NAME=]LOCALVAR|$retval|%REG|@SYMBOL[:TYPE]
+ [NAME=]LOCALVAR|$retval|%REG|@SYMBOL[:TYPE][@user]
'NAME' specifies the name of this argument (optional). You can use the name of local variable, local data structure member (e.g. var->field, var.field2), local array with fixed index (e.g. array[1], var->array[0], var->pointer[2]), or kprobe-tracer argument format (e.g. $retval, %ax, etc). Note that the name of this argument will be set as the last member name if you specify a local data structure member (e.g. field2 for 'var->field1.field2'.)
'$vars' and '$params' special arguments are also available for NAME, '$vars' is expanded to the local variables (including function parameters) which can access at given probe point. '$params' is expanded to only the function parameters.
'TYPE' casts the type of this argument (optional). If omitted, perf probe automatically set the type based on debuginfo (*). Currently, basic types (u8/u16/u32/u64/s8/s16/s32/s64), hexadecimal integers (x/x8/x16/x32/x64), signedness casting (u/s), "string" and bitfield are supported. (see TYPES for detail)
On x86 systems %REG is always the short form of the register: for example %AX. %RAX or %EAX is not valid.
+"@user" is a special attribute which means the LOCALVAR will be treated as a user-space memory. This is only valid for kprobe event.
TYPES
-----
@@ -208,11 +222,11 @@ probe syntax, 'SRC' means the source file path, 'ALN' is start line number,
and 'ALN2' is end line number in the file. It is also possible to specify how
many lines to show by using 'NUM'. Moreover, 'FUNC@SRC' combination is good
for searching a specific function when several functions share same name.
-So, "source.c:100-120" shows lines between 100th to l20th in source.c file. And "func:10+20" shows 20 lines from 10th line of func function.
+So, "source.c:100-120" shows lines between 100th to 120th in source.c file. And "func:10+20" shows 20 lines from 10th line of func function.
LAZY MATCHING
-------------
- The lazy line matching is similar to glob matching but ignoring spaces in both of pattern and target. So this accepts wildcards('*', '?') and character classes(e.g. [a-z], [!A-Z]).
+The lazy line matching is similar to glob matching but ignoring spaces in both of pattern and target. So this accepts wildcards('*', '?') and character classes(e.g. [a-z], [!A-Z]).
e.g.
'a=*' can matches 'a=b', 'a = b', 'a == b' and so on.
@@ -221,8 +235,8 @@ This provides some sort of flexibility and robustness to probe point definitions
FILTER PATTERN
--------------
- The filter pattern is a glob matching pattern(s) to filter variables.
- In addition, you can use "!" for specifying filter-out rule. You also can give several rules combined with "&" or "|", and fold those rules as one rule by using "(" ")".
+The filter pattern is a glob matching pattern(s) to filter variables.
+In addition, you can use "!" for specifying filter-out rule. You also can give several rules combined with "&" or "|", and fold those rules as one rule by using "(" ")".
e.g.
With --filter "foo* | bar*", perf probe -V shows variables which start with "foo" or "bar".
@@ -240,9 +254,13 @@ Add a probe on schedule() function 12th line with recording cpu local variable:
or
./perf probe --add='schedule:12 cpu'
- this will add one or more probes which has the name start with "schedule".
+Add one or more probes which has the name start with "schedule".
+
+ ./perf probe schedule*
+ or
+ ./perf probe --add='schedule*'
- Add probes on lines in schedule() function which calls update_rq_clock().
+Add probes on lines in schedule() function which calls update_rq_clock().
./perf probe 'schedule;update_rq_clock*'
or
@@ -260,6 +278,36 @@ Add probes at malloc() function on libc
./perf probe -x /lib/libc.so.6 malloc or ./perf probe /lib/libc.so.6 malloc
+Add a uprobe to a target process running in a different mount namespace
+
+ ./perf probe --target-ns <target pid> -x /lib64/libc.so.6 malloc
+
+Add a USDT probe to a target process running in a different mount namespace
+
+ ./perf probe --target-ns <target pid> -x /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.121-0.b13.el7_3.x86_64/jre/lib/amd64/server/libjvm.so %sdt_hotspot:thread__sleep__end
+
+Add a probe on specific versioned symbol by backslash escape
+
+ ./perf probe -x /lib64/libc-2.25.so 'malloc_get_state\@GLIBC_2.2.5'
+
+Add a probe in a source file using special characters by backslash escape
+
+ ./perf probe -x /opt/test/a.out 'foo\+bar.c:4'
+
+
+PERMISSIONS AND SYSCTL
+----------------------
+Since perf probe depends on ftrace (tracefs) and kallsyms (/proc/kallsyms), you have to care about the permission and some sysctl knobs.
+
+ - Since tracefs and kallsyms requires root or privileged user to access it, the following perf probe commands also require it; --add, --del, --list (except for --cache option)
+
+ - The system admin can remount the tracefs with 755 (`sudo mount -o remount,mode=755 /sys/kernel/tracing/`) to allow unprivileged user to run the perf probe --list command.
+
+ - /proc/sys/kernel/kptr_restrict = 2 (restrict all users) also prevents perf probe to retrieve the important information from kallsyms. You also need to set to 1 (restrict non CAP_SYSLOG users) for the above commands. Since the user-space probe doesn't need to access kallsyms, this is only for probing the kernel function (kprobes).
+
+ - Since the perf probe commands read the vmlinux (for kernel) and/or the debuginfo file (including user-space application), you need to ensure that you can read those files.
+
+
SEE ALSO
--------
linkperf:perf-trace[1], linkperf:perf-record[1], linkperf:perf-buildid-cache[1]
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index ea3789d05e5e..e8b9aadbbfa5 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -8,8 +8,8 @@ perf-record - Run a command and record its profile into perf.data
SYNOPSIS
--------
[verse]
-'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] <command>
-'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] -- <command> [<options>]
+'perf record' [-e <EVENT> | --event=EVENT] [-a] <command>
+'perf record' [-e <EVENT> | --event=EVENT] [-a] \-- <command> [<options>]
DESCRIPTION
-----------
@@ -30,8 +30,14 @@ OPTIONS
- a symbolic event name (use 'perf list' to list all events)
- - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a
- hexadecimal event descriptor.
+ - a raw PMU event in the form of rN where N is a hexadecimal value
+ that represents the raw register encoding with the layout of the
+ event control registers as described by entries in
+ /sys/bus/event_source/devices/cpu/format/*.
+
+ - a symbolic or raw PMU event followed by an optional colon
+ and a list of event modifiers, e.g., cpu-cycles:p. See the
+ linkperf:perf-list[1] man page for details on event modifiers.
- a symbolically formed PMU event like 'pmu/param1=0x3,param2/' where
'param1', 'param2', etc are defined as formats for the PMU in
@@ -57,6 +63,18 @@ OPTIONS
FP mode, "dwarf" for DWARF mode, "lbr" for LBR mode and
"no" for disable callgraph.
- 'stack-size': user stack size for dwarf mode
+ - 'name' : User defined event name. Single quotes (') may be used to
+ escape symbols in the name from parsing by shell and tool
+ like this: name=\'CPU_CLK_UNHALTED.THREAD:cmask=0x1\'.
+ - 'aux-output': Generate AUX records instead of events. This requires
+ that an AUX area event is also provided.
+ - 'aux-action': "pause" or "resume" to pause or resume an AUX
+ area event (the group leader) when this event occurs.
+ "start-paused" on an AUX area event itself, will
+ start in a paused state.
+ - 'aux-sample-size': Set sample size for AUX area sampling. If the
+ '--aux-sample' option has been used, set aux-sample-size=0 to disable
+ AUX area sampling for the event.
See the linkperf:perf-list[1] man page for more parameters.
@@ -91,9 +109,12 @@ OPTIONS
"perf report" to view group events together.
--filter=<filter>::
- Event filter. This option should follow a event selector (-e) which
- selects either tracepoint event(s) or a hardware trace PMU
- (e.g. Intel PT or CoreSight).
+ Event filter. This option should follow an event selector (-e).
+ If the event is a tracepoint, the filter string will be parsed by
+ the kernel. If the event is a hardware trace PMU (e.g. Intel PT
+ or CoreSight), it'll be processed as an address filter. Otherwise
+ it means a general filter using BPF which can be applied for any
+ kind of event.
- tracepoint filters
@@ -148,13 +169,68 @@ OPTIONS
Multiple filters can be separated with space or comma.
+ - bpf filters
+
+ A BPF filter can access the sample data and make a decision based on the
+ data. Users need to set an appropriate sample type to use the BPF
+ filter. BPF filters need root privilege.
+
+ The sample data field can be specified in lower case letter. Multiple
+ filters can be separated with comma. For example,
+
+ --filter 'period > 1000, cpu == 1'
+ or
+ --filter 'mem_op == load || mem_op == store, mem_lvl > l1'
+
+ The former filter only accept samples with period greater than 1000 AND
+ CPU number is 1. The latter one accepts either load and store memory
+ operations but it should have memory level above the L1. Since the
+ mem_op and mem_lvl fields come from the (memory) data_source, it'd only
+ work with some events which set the data_source field.
+
+ Also user should request to collect that information (with -d option in
+ the above case). Otherwise, the following message will be shown.
+
+ $ sudo perf record -e cycles --filter 'mem_op == load'
+ Error: cycles event does not have PERF_SAMPLE_DATA_SRC
+ Hint: please add -d option to perf record.
+ failed to set filter "BPF" on event cycles with 22 (Invalid argument)
+
+ Essentially the BPF filter expression is:
+
+ <term> <operator> <value> (("," | "||") <term> <operator> <value>)*
+
+ The <term> can be one of:
+ ip, id, tid, pid, cpu, time, addr, period, txn, weight, phys_addr,
+ code_pgsz, data_pgsz, weight1, weight2, weight3, ins_lat, retire_lat,
+ p_stage_cyc, mem_op, mem_lvl, mem_snoop, mem_remote, mem_lock,
+ mem_dtlb, mem_blk, mem_hops, uid, gid
+
+ The <operator> can be one of:
+ ==, !=, >, >=, <, <=, &
+
+ The <value> can be one of:
+ <number> (for any term)
+ na, load, store, pfetch, exec (for mem_op)
+ l1, l2, l3, l4, cxl, io, any_cache, lfb, ram, pmem (for mem_lvl)
+ na, none, hit, miss, hitm, fwd, peer (for mem_snoop)
+ remote (for mem_remote)
+ na, locked (for mem_locked)
+ na, l1_hit, l1_miss, l2_hit, l2_miss, any_hit, any_miss, walk, fault (for mem_dtlb)
+ na, by_data, by_addr (for mem_blk)
+ hops0, hops1, hops2, hops3 (for mem_hops)
+
--exclude-perf::
Don't record events issued by perf itself. This option should follow
- a event selector (-e) which selects tracepoint event(s). It adds a
+ an event selector (-e) which selects tracepoint event(s). It adds a
filter expression 'common_pid != $PERFPID' to filters. If other
'--filter' exists, the new filter expression will be combined with
them by '&&'.
+--latency::
+ Enable data collection for latency profiling.
+ Use perf report --latency for latency-centric profile.
+
-a::
--all-cpus::
System-wide collection from all CPUs (default if no target is specified).
@@ -191,33 +267,43 @@ OPTIONS
-i::
--no-inherit::
Child tasks do not inherit counters.
+
-F::
--freq=::
- Profile at this frequency.
+ Profile at this frequency. Use 'max' to use the currently maximum
+ allowed frequency, i.e. the value in the kernel.perf_event_max_sample_rate
+ sysctl. Will throttle down to the currently maximum allowed frequency.
+ See --strict-freq.
+
+--strict-freq::
+ Fail if the specified frequency can't be used.
-m::
--mmap-pages=::
Number of mmap data pages (must be a power of two) or size
- specification with appended unit character - B/K/M/G. The
- size is rounded up to have nearest pages power of two value.
- Also, by adding a comma, the number of mmap pages for AUX
- area tracing can be specified.
-
---group::
- Put all events in a single event group. This precedes the --event
- option and remains only for backward compatibility. See --event.
+ specification in bytes with appended unit character - B/K/M/G.
+ The size is rounded up to the nearest power-of-two page value.
+ By adding a comma, an additional parameter with the same
+ semantics used for the normal mmap areas can be specified for
+ AUX tracing area.
-g::
- Enables call-graph (stack chain/backtrace) recording.
+ Enables call-graph (stack chain/backtrace) recording for both
+ kernel space and user space.
--call-graph::
Setup and enable call-graph (stack chain/backtrace) recording,
- implies -g. Default is "fp".
+ implies -g. Default is "fp" (for user space).
+
+ The unwinding method used for kernel space is dependent on the
+ unwinder used by the active kernel configuration, i.e
+ CONFIG_UNWINDER_FRAME_POINTER (fp) or CONFIG_UNWINDER_ORC (orc)
- Allows specifying "fp" (frame pointer) or "dwarf"
- (DWARF's CFI - Call Frame Information) or "lbr"
- (Hardware Last Branch Record facility) as the method to collect
- the information used to show the call graphs.
+ Any option specified here controls the method used for user space.
+
+ Valid options are "fp" (frame pointer), "dwarf" (DWARF's CFI -
+ Call Frame Information) or "lbr" (Hardware Last Branch Record
+ facility).
In some systems, where binaries are build with gcc
--fomit-frame-pointer, using the "fp" method will produce bogus
@@ -225,7 +311,7 @@ OPTIONS
the libunwind or libdw library) should be used instead.
Using the "lbr" method doesn't require any compiler options. It
will produce call graphs from the hardware LBR registers. The
- main limition is that it is only available on new Intel
+ main limitation is that it is only available on new Intel
platforms, such as Haswell. It can only get user call chain. It
doesn't work with branch stack sampling at the same time.
@@ -234,9 +320,18 @@ OPTIONS
User can change the size by passing the size after comma like
"--call-graph dwarf,4096".
+ When "fp" recording is used, perf tries to save stack entries
+ up to the number specified in sysctl.kernel.perf_event_max_stack
+ by default. User can change the number by passing it after comma
+ like "--call-graph fp,32".
+
+ Also "defer" can be used with "fp" (like "--call-graph fp,defer") to
+ enable deferred user callchain which will collect user-space callchains
+ when the thread returns to the user space.
+
-q::
--quiet::
- Don't print any message, useful for scripting.
+ Don't print any warnings or messages, useful for scripting.
-v::
--verbose::
@@ -249,7 +344,16 @@ OPTIONS
-d::
--data::
- Record the sample addresses.
+ Record the sample virtual addresses. Implies --sample-mem-info.
+
+--phys-data::
+ Record the sample physical addresses.
+
+--data-page-size::
+ Record the sampled data address data page size.
+
+--code-page-size::
+ Record the sampled code address (ip) page size
-T::
--timestamp::
@@ -263,6 +367,16 @@ OPTIONS
--sample-cpu::
Record the sample cpu.
+--sample-identifier::
+ Record the sample identifier i.e. PERF_SAMPLE_IDENTIFIER bit set in
+ the sample_type member of the struct perf_event_attr argument to the
+ perf_event_open system call.
+
+--sample-mem-info::
+ Record the sample data source information for memory operations.
+ It requires hardware supports and may work on specific events only.
+ Please consider using 'perf mem record' instead if you're not sure.
+
-n::
--no-samples::
Don't sample.
@@ -278,6 +392,9 @@ comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-
In per-thread mode with inheritance mode on (default), samples are captured only when
the thread executes on the designated CPUs. Default is to monitor all CPUs.
+User space tasks can migrate between CPUs, so when tracing selected CPUs,
+a dummy event is created to track sideband for all CPUs.
+
-B::
--no-buildid::
Do not save the build ids of binaries in the perf.data files. This skips
@@ -305,7 +422,11 @@ can be provided. Each cgroup is applied to the corresponding event, i.e., first
to first event, second cgroup to second event and so on. It is possible to provide
an empty cgroup (monitor all the time) using, e.g., -G foo,,bar. Cgroups must have
corresponding events, i.e., they always refer to events defined earlier on the command
-line.
+line. If the user wants to track multiple events for a specific cgroup, the user can
+use '-e e1 -e e2 -G foo,foo' or just use '-e e1 -e e2 -G foo'.
+
+If wanting to monitor, say, 'cycles' for a cgroup and also for system wide, this
+command line can be used: 'perf stat -e cycles -G cgroup_name -a -e cycles'.
-b::
--branch-any::
@@ -324,6 +445,7 @@ following filters are defined:
- any_call: any function call or system call
- any_ret: any function return or system call return
- ind_call: any indirect branch
+ - ind_jmp: any indirect jump
- call: direct calls, including far (to/from kernel) calls
- u: only when the branch target is at the user level
- k: only when the branch target is in the kernel
@@ -332,6 +454,19 @@ following filters are defined:
- no_tx: only when the target is not in a hardware transaction
- abort_tx: only when the target is a hardware transaction abort
- cond: conditional branches
+ - call_stack: save call stack
+ - no_flags: don't save branch flags e.g prediction, misprediction etc
+ - no_cycles: don't save branch cycles
+ - hw_index: save branch hardware index
+ - save_type: save branch type during sampling in case binary is not available later
+ For the platforms with Intel Arch LBR support (12th-Gen+ client or
+ 4th-Gen Xeon+ server), the save branch type is unconditionally enabled
+ when the taken branch stack sampling is enabled.
+ - priv: save privilege state during sampling in case binary is not available later
+ - counter: save occurrences of the event since the last branch entry. Currently, the
+ feature is only supported by a newer CPU, e.g., Intel Sierra Forest and
+ later platforms. An error out is expected if it's used on the unsupported
+ kernel or CPUs.
+
The option requires at least one branch type among any, any_call, any_ret, ind_call, cond.
@@ -342,13 +477,17 @@ is enabled for all the sampling events. The sampled branch type is the same for
The various filters must be specified as a comma separated list: --branch-filter any_ret,u,k
Note that this feature may not be available on all processors.
+-W::
--weight::
Enable weightened sampling. An additional weight is recorded per sample and can be
displayed with the weight and local_weight sort keys. This currently works for TSX
abort events and some memory events in precise mode on modern Intel CPUs.
--namespaces::
-Record events of type PERF_RECORD_NAMESPACES.
+Record events of type PERF_RECORD_NAMESPACES. This enables 'cgroup_id' sort key.
+
+--all-cgroups::
+Record events of type PERF_RECORD_CGROUP. This enables 'cgroup' sort key.
--transaction::
Record transaction flags for transaction related events.
@@ -361,8 +500,11 @@ if combined with -a or -C options.
-D::
--delay=::
-After starting the program, wait msecs before measuring. This is useful to
-filter out the startup phase of the program, which is often very different.
+After starting the program, wait msecs before measuring (-1: start with events
+disabled), or enable events only for specified ranges of msecs (e.g.
+-D 10-20,30-40 means wait 10 msecs, enable for 10 msecs, wait 10 msecs, enable
+for 10 msecs, then stop). Note, delaying enabling of events is useful to filter
+out the startup phase of the program, which is often very different.
-I::
--intr-regs::
@@ -373,6 +515,9 @@ symbolic names, e.g. on x86, ax, si. To list the available registers use
--intr-regs=\?. To name registers, pass a comma separated list such as
--intr-regs=ax,bx. The list of register is architecture dependent.
+--user-regs::
+Similar to -I, but capture user registers at sample time. To list the available
+user registers use --user-regs=\?.
--running-time::
Record running and enabled time for read events (:S)
@@ -387,9 +532,21 @@ CLOCK_BOOTTIME, CLOCK_REALTIME and CLOCK_TAI.
-S::
--snapshot::
Select AUX area tracing Snapshot Mode. This option is valid only with an
-AUX area tracing event. Optionally the number of bytes to capture per
-snapshot can be specified. In Snapshot Mode, trace data is captured only when
-signal SIGUSR2 is received.
+AUX area tracing event. Optionally, certain snapshot capturing parameters
+can be specified in a string that follows this option:
+
+ - 'e': take one last snapshot on exit; guarantees that there is at least one
+ snapshot in the output file;
+ - <size>: if the PMU supports this, specify the desired snapshot size.
+
+In Snapshot Mode trace data is captured only when signal SIGUSR2 is received
+and on exit if the above 'e' option is given.
+
+--aux-sample[=OPTIONS]::
+Select AUX area sampling. At least one of the events selected by the -e option
+must be an AUX area event. Samples on other events will be created containing
+data from the AUX area. Optionally sample size may be specified, otherwise it
+defaults to 4KiB.
--proc-map-timeout::
When processing pre-existing threads /proc/XXX/mmap, it may take a long time,
@@ -398,15 +555,9 @@ This option sets the time out limit. The default value is 500 ms.
--switch-events::
Record context switch events i.e. events of type PERF_RECORD_SWITCH or
-PERF_RECORD_SWITCH_CPU_WIDE.
-
---clang-path=PATH::
-Path to clang binary to use for compiling BPF scriptlets.
-(enabled when BPF support is on)
-
---clang-opt=OPTIONS::
-Options passed to clang when compiling BPF scriptlets.
-(enabled when BPF support is on)
+PERF_RECORD_SWITCH_CPU_WIDE. In some cases (e.g. Intel PT, CoreSight or Arm SPE)
+switch events will be enabled automatically, which can be suppressed by
+by the option --no-switch-events.
--vmlinux=PATH::
Specify vmlinux path which has debuginfo.
@@ -415,28 +566,83 @@ Specify vmlinux path which has debuginfo.
--buildid-all::
Record build-id of all DSOs regardless whether it's actually hit or not.
+--buildid-mmap::
+Legacy record build-id in map events option which is now the
+default. Behaves indentically to --no-buildid. Disable with
+--no-buildid-mmap.
+
+--aio[=n]::
+Use <n> control blocks in asynchronous (Posix AIO) trace writing mode (default: 1, max: 4).
+Asynchronous mode is supported only when linking Perf tool with libc library
+providing implementation for Posix AIO API.
+
+--affinity=mode::
+Set affinity mask of trace reading thread according to the policy defined by 'mode' value:
+
+ - node - thread affinity mask is set to NUMA node cpu mask of the processed mmap buffer
+ - cpu - thread affinity mask is set to cpu of the processed mmap buffer
+
+--mmap-flush=number::
+
+Specify minimal number of bytes that is extracted from mmap data pages and
+processed for output. One can specify the number using B/K/M/G suffixes.
+
+The maximal allowed value is a quarter of the size of mmaped data pages.
+
+The default option value is 1 byte which means that every time that the output
+writing thread finds some new data in the mmaped buffer the data is extracted,
+possibly compressed (-z) and written to the output, perf.data or pipe.
+
+Larger data chunks are compressed more effectively in comparison to smaller
+chunks so extraction of larger chunks from the mmap data pages is preferable
+from the perspective of output size reduction.
+
+Also at some cases executing less output write syscalls with bigger data size
+can take less time than executing more output write syscalls with smaller data
+size thus lowering runtime profiling overhead.
+
+-z::
+--compression-level[=n]::
+Produce compressed trace using specified level n (default: 1 - fastest compression,
+22 - smallest trace)
+
--all-kernel::
Configure all used events to run in kernel space.
--all-user::
Configure all used events to run in user space.
+--kernel-callchains::
+Collect callchains only from kernel space. I.e. this option sets
+perf_event_attr.exclude_callchain_user to 1.
+
+--user-callchains::
+Collect callchains only from user space. I.e. this option sets
+perf_event_attr.exclude_callchain_kernel to 1.
+
+Don't use both --kernel-callchains and --user-callchains at the same time or no
+callchains will be collected.
+
--timestamp-filename
Append timestamp to output file name.
+--timestamp-boundary::
+Record timestamp boundary (time of first/last samples).
+
--switch-output[=mode]::
Generate multiple perf.data files, timestamp prefixed, switching to a new one
based on 'mode' value:
- "signal" - when receiving a SIGUSR2 (default value) or
- <size> - when reaching the size threshold, size is expected to
- be a number with appended unit character - B/K/M/G
- <time> - when reaching the time threshold, size is expected to
- be a number with appended unit character - s/m/h/d
- Note: the precision of the size threshold hugely depends
- on your configuration - the number and size of your ring
- buffers (-m). It is generally more precise for higher sizes
- (like >5M), for lower values expect different sizes.
+ - "signal" - when receiving a SIGUSR2 (default value) or
+ - <size> - when reaching the size threshold, size is expected to
+ be a number with appended unit character - B/K/M/G
+ - <time> - when reaching the time threshold, size is expected to
+ be a number with appended unit character - s/m/h/d
+
+ Note: the precision of the size threshold hugely depends
+ on your configuration - the number and size of your ring
+ buffers (-m). It is generally more precise for higher sizes
+ (like >5M), for lower values expect different sizes.
A possible use case is to, given an external event, slice the perf.data file
that gets then processed, possibly via a perf script, to decide if that
@@ -448,6 +654,23 @@ overhead. You can still switch them on with:
--switch-output --no-no-buildid --no-no-buildid-cache
+--switch-output-event::
+Events that will cause the switch of the perf.data file, auto-selecting
+--switch-output=signal, the results are similar as internally the side band
+thread will also send a SIGUSR2 to the main one.
+
+Uses the same syntax as --event, it will just not be recorded, serving only to
+switch the perf.data file as soon as the --switch-output event is processed by
+a separate sideband thread.
+
+This sideband thread is also used to other purposes, like processing the
+PERF_RECORD_BPF_EVENT records as they happen, asking the kernel for extra BPF
+information, etc.
+
+--switch-max-files=N::
+
+When rotating perf.data with --switch-output, only keep N files.
+
--dry-run::
Parse options then exit. --dry-run can be used to detect errors in cmdline
options.
@@ -455,6 +678,23 @@ options.
'perf record --dry-run -e' can act as a BPF script compiler if llvm.dump-obj
in config file is set to true.
+--synth=TYPE::
+Collect and synthesize given type of events (comma separated). Note that
+this option controls the synthesis from the /proc filesystem which represent
+task status for pre-existing threads.
+
+Kernel (and some other) events are recorded regardless of the
+choice in this option. For example, --synth=no would have MMAP events for
+kernel and modules.
+
+Available types are:
+
+ - 'task' - synthesize FORK and COMM events for each task
+ - 'mmap' - synthesize MMAP events for each process (implies 'task')
+ - 'cgroup' - synthesize CGROUP events for each cgroup
+ - 'all' - synthesize all events (default)
+ - 'no' - do not synthesize any of the above events
+
--tail-synthesize::
Instead of collecting non-sample events (for example, fork, comm, mmap) at
the beginning of record, collect them during finalizing an output file.
@@ -477,6 +717,153 @@ config terms. For example: 'cycles/overwrite/' and 'instructions/no-overwrite/'.
Implies --tail-synthesize.
+--kcore::
+Make a copy of /proc/kcore and place it into a directory with the perf data file.
+
+--max-size=<size>::
+Limit the sample data max size, <size> is expected to be a number with
+appended unit character - B/K/M/G
+
+--num-thread-synthesize::
+ The number of threads to run when synthesizing events for existing processes.
+ By default, the number of threads equals 1.
+
+ifdef::HAVE_LIBPFM[]
+--pfm-events events::
+Select a PMU event using libpfm4 syntax (see http://perfmon2.sf.net)
+including support for event filters. For example '--pfm-events
+inst_retired:any_p:u:c=1:i'. More than one event can be passed to the
+option using the comma separator. Hardware events and generic hardware
+events cannot be mixed together. The latter must be used with the -e
+option. The -e option and this one can be mixed and matched. Events
+can be grouped using the {} notation.
+endif::HAVE_LIBPFM[]
+
+--control=fifo:ctl-fifo[,ack-fifo]::
+--control=fd:ctl-fd[,ack-fd]::
+ctl-fifo / ack-fifo are opened and used as ctl-fd / ack-fd as follows.
+Listen on ctl-fd descriptor for command to control measurement.
+
+Available commands:
+
+ - 'enable' : enable events
+ - 'disable' : disable events
+ - 'enable name' : enable event 'name'
+ - 'disable name' : disable event 'name'
+ - 'snapshot' : AUX area tracing snapshot).
+ - 'stop' : stop perf record
+ - 'ping' : ping
+ - 'evlist [-v|-g|-F] : display all events
+
+ -F Show just the sample frequency used for each event.
+ -v Show all fields.
+ -g Show event group information.
+
+Measurements can be started with events disabled using --delay=-1 option. Optionally
+send control command completion ('ack\n') to ack-fd descriptor to synchronize with the
+controlling process. Example of bash shell script to enable and disable events during
+measurements:
+
+ #!/bin/bash
+
+ ctl_dir=/tmp/
+
+ ctl_fifo=${ctl_dir}perf_ctl.fifo
+ test -p ${ctl_fifo} && unlink ${ctl_fifo}
+ mkfifo ${ctl_fifo}
+ exec {ctl_fd}<>${ctl_fifo}
+
+ ctl_ack_fifo=${ctl_dir}perf_ctl_ack.fifo
+ test -p ${ctl_ack_fifo} && unlink ${ctl_ack_fifo}
+ mkfifo ${ctl_ack_fifo}
+ exec {ctl_fd_ack}<>${ctl_ack_fifo}
+
+ perf record -D -1 -e cpu-cycles -a \
+ --control fd:${ctl_fd},${ctl_fd_ack} \
+ -- sleep 30 &
+ perf_pid=$!
+
+ sleep 5 && echo 'enable' >&${ctl_fd} && read -u ${ctl_fd_ack} e1 && echo "enabled(${e1})"
+ sleep 10 && echo 'disable' >&${ctl_fd} && read -u ${ctl_fd_ack} d1 && echo "disabled(${d1})"
+
+ exec {ctl_fd_ack}>&-
+ unlink ${ctl_ack_fifo}
+
+ exec {ctl_fd}>&-
+ unlink ${ctl_fifo}
+
+ wait -n ${perf_pid}
+ exit $?
+
+--threads=<spec>::
+Write collected trace data into several data files using parallel threads.
+<spec> value can be user defined list of masks. Masks separated by colon
+define CPUs to be monitored by a thread and affinity mask of that thread
+is separated by slash:
+
+ <cpus mask 1>/<affinity mask 1>:<cpus mask 2>/<affinity mask 2>:...
+
+CPUs or affinity masks must not overlap with other corresponding masks.
+Invalid CPUs are ignored, but masks containing only invalid CPUs are not
+allowed.
+
+For example user specification like the following:
+
+ 0,2-4/2-4:1,5-7/5-7
+
+specifies parallel threads layout that consists of two threads,
+the first thread monitors CPUs 0 and 2-4 with the affinity mask 2-4,
+the second monitors CPUs 1 and 5-7 with the affinity mask 5-7.
+
+<spec> value can also be a string meaning predefined parallel threads
+layout:
+
+ - cpu - create new data streaming thread for every monitored cpu
+ - core - create new thread to monitor CPUs grouped by a core
+ - package - create new thread to monitor CPUs grouped by a package
+ - numa - create new threed to monitor CPUs grouped by a NUMA domain
+
+Predefined layouts can be used on systems with large number of CPUs in
+order not to spawn multiple per-cpu streaming threads but still avoid LOST
+events in data directory files. Option specified with no or empty value
+defaults to CPU layout. Masks defined or provided by the option value are
+filtered through the mask provided by -C option.
+
+--debuginfod[=URLs]::
+ Specify debuginfod URL to be used when cacheing perf.data binaries,
+ it follows the same syntax as the DEBUGINFOD_URLS variable, like:
+
+ http://192.168.122.174:8002
+
+ If the URLs is not specified, the value of DEBUGINFOD_URLS
+ system environment variable is used.
+
+--off-cpu::
+ Enable off-cpu profiling with BPF. The BPF program will collect
+ task scheduling information with (user) stacktrace and save them
+ as sample data of a software event named "offcpu-time". The
+ sample period will have the time the task slept in nanoseconds.
+
+ Note that BPF can collect stack traces using frame pointer ("fp")
+ only, as of now. So the applications built without the frame
+ pointer might see bogus addresses.
+
+ off-cpu profiling consists two types of samples: direct samples, which
+ share the same behavior as regular samples, and the accumulated
+ samples, stored in BPF stack trace map, presented after all the regular
+ samples.
+
+--off-cpu-thresh::
+ Once a task's off-cpu time reaches this threshold (in milliseconds), it
+ generates a direct off-cpu sample. The default is 500ms.
+
+--setup-filter=<action>::
+ Prepare BPF filter to be used by regular users. The action should be
+ either "pin" or "unpin". The filter can be used after it's pinned.
+
+
+include::intel-hybrid.txt[]
+
SEE ALSO
--------
-linkperf:perf-stat[1], linkperf:perf-list[1]
+linkperf:perf-stat[1], linkperf:perf-list[1], linkperf:perf-intel-pt[1]
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 37a175914157..acef3ff4178e 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -27,7 +27,7 @@ OPTIONS
-q::
--quiet::
- Do not show any message. (Suppress -v)
+ Do not show any warnings or messages. (Suppress -v)
-n::
--show-nr-samples::
@@ -44,7 +44,7 @@ OPTIONS
--comms=::
Only consider symbols in these comms. CSV that understands
file://filename entries. This option will affect the percentage of
- the overhead column. See --percentage for more info.
+ the overhead and latency columns. See --percentage for more info.
--pid=::
Only show events for given process ID (comma separated list).
@@ -54,12 +54,12 @@ OPTIONS
--dsos=::
Only consider symbols in these dsos. CSV that understands
file://filename entries. This option will affect the percentage of
- the overhead column. See --percentage for more info.
+ the overhead and latency columns. See --percentage for more info.
-S::
--symbols=::
Only consider these symbols. CSV that understands
file://filename entries. This option will affect the percentage of
- the overhead column. See --percentage for more info.
+ the overhead and latency columns. See --percentage for more info.
--symbol-filter=::
Only show symbols that match (partially) with this filter.
@@ -68,45 +68,84 @@ OPTIONS
--hide-unresolved::
Only display entries resolved to a symbol.
+--parallelism::
+ Only consider these parallelism levels. Parallelism level is the number
+ of threads that actively run on CPUs at the time of sample. The flag
+ accepts single number, comma-separated list, and ranges (for example:
+ "1", "7,8", "1,64-128"). This is useful in understanding what a program
+ is doing during sequential/low-parallelism phases as compared to
+ high-parallelism phases. This option will affect the percentage of
+ the overhead and latency columns. See --percentage for more info.
+ Also see the `CPU and latency overheads' section for more details.
+
+--latency::
+ Show latency-centric profile rather than the default
+ CPU-consumption-centric profile
+ (requires perf record --latency flag).
+
-s::
--sort=::
Sort histogram entries by given key(s) - multiple keys can be specified
in CSV format. Following sort keys are available:
pid, comm, dso, symbol, parent, cpu, socket, srcline, weight,
- local_weight, cgroup_id.
+ local_weight, cgroup_id, addr.
Each key has following meaning:
- comm: command (name) of the task which can be read via /proc/<pid>/comm
- pid: command and tid of the task
+ - tgid: command and tgid of the task
- dso: name of library or module executed at the time of sample
+ - dso_size: size of library or module executed at the time of sample
- symbol: name of function executed at the time of sample
- symbol_size: size of function executed at the time of sample
- parent: name of function matched to the parent regex filter. Unmatched
entries are displayed as "[other]".
- cpu: cpu number the task ran at the time of sample
- socket: processor socket number the task ran at the time of sample
+ - parallelism: number of running threads at the time of sample
- srcline: filename and line number executed at the time of sample. The
DWARF debugging info must be provided.
- - srcfile: file name of the source file of the same. Requires dwarf
+ - srcfile: file name of the source file of the samples. Requires dwarf
information.
- weight: Event specific weight, e.g. memory latency or transaction
abort cost. This is the global weight.
- local_weight: Local weight version of the weight above.
- cgroup_id: ID derived from cgroup namespace device and inode numbers.
+ - cgroup: cgroup pathname in the cgroupfs.
- transaction: Transaction abort flags.
- - overhead: Overhead percentage of sample
- - overhead_sys: Overhead percentage of sample running in system mode
- - overhead_us: Overhead percentage of sample running in user mode
- - overhead_guest_sys: Overhead percentage of sample running in system mode
+ - overhead: CPU overhead percentage of sample.
+ - latency: latency (wall-clock) overhead percentage of sample.
+ See the `CPU and latency overheads' section for more details.
+ - overhead_sys: CPU overhead percentage of sample running in system mode
+ - overhead_us: CPU overhead percentage of sample running in user mode
+ - overhead_guest_sys: CPU overhead percentage of sample running in system mode
on guest machine
- - overhead_guest_us: Overhead percentage of sample running in user mode on
+ - overhead_guest_us: CPU overhead percentage of sample running in user mode on
guest machine
- sample: Number of sample
- period: Raw number of event count of sample
-
- By default, comm, dso and symbol keys are used.
- (i.e. --sort comm,dso,symbol)
+ - time: Separate the samples by time stamp with the resolution specified by
+ --time-quantum (default 100ms). Specify with overhead and before it.
+ - code_page_size: the code page size of sampled code address (ip)
+ - ins_lat: Instruction latency in core cycles. This is the global instruction
+ latency
+ - local_ins_lat: Local instruction latency version
+ - p_stage_cyc: On powerpc, this presents the number of cycles spent in a
+ pipeline stage. And currently supported only on powerpc.
+ - addr: (Full) virtual address of the sampled instruction
+ - retire_lat: On X86, this reports pipeline stall of this instruction compared
+ to the previous instruction in cycles. And currently supported only on X86
+ - simd: Flags describing a SIMD operation. "e" for empty Arm SVE predicate. "p" for partial Arm SVE predicate
+ - type: Data type of sample memory access.
+ - typeoff: Offset in the data type of sample memory access.
+ - symoff: Offset in the symbol.
+ - weight1: Average value of event specific weight (1st field of weight_struct).
+ - weight2: Average value of event specific weight (2nd field of weight_struct).
+ - weight3: Average value of event specific weight (3rd field of weight_struct).
+
+ By default, overhead, comm, dso and symbol keys are used.
+ (i.e. --sort overhead,comm,dso,symbol).
If --branch-stack option is used, following sort keys are also
available:
@@ -125,9 +164,17 @@ OPTIONS
And default sort keys are changed to comm, dso_from, symbol_from, dso_to
and symbol_to, see '--branch-stack'.
+ When the sort key symbol is specified, columns "IPC" and "IPC Coverage"
+ are enabled automatically. Column "IPC" reports the average IPC per function
+ and column "IPC coverage" reports the percentage of instructions with
+ sampled IPC in this function. IPC means Instruction Per Cycle. If it's low,
+ it indicates there may be a performance bottleneck when the function is
+ executed, such as a memory access bottleneck. If a function has high overhead
+ and low IPC, it's worth further analyzing it to optimize its performance.
+
If the --mem-mode option is used, the following sort keys are also available
(incompatible with --branch-stack):
- symbol_daddr, dso_daddr, locked, tlb, mem, snoop, dcacheline.
+ symbol_daddr, dso_daddr, locked, tlb, mem, snoop, dcacheline, blocked.
- symbol_daddr: name of data symbol being executed on at the time of sample
- dso_daddr: name of library or module containing the data being executed
@@ -137,9 +184,13 @@ OPTIONS
- mem: type of memory access for the data at the time of the sample
- snoop: type of snoop (if any) for the data at the time of the sample
- dcacheline: the cacheline the data address is on at the time of the sample
+ - phys_daddr: physical address of data being executed on at the time of sample
+ - data_page_size: the data page size of data being executed on at the time of sample
+ - blocked: reason of blocked load access for the data at the time of the sample
And the default sort keys are changed to local_weight, mem, sym, dso,
- symbol_daddr, dso_daddr, snoop, tlb, locked, see '--mem-mode'.
+ symbol_daddr, dso_daddr, snoop, tlb, locked, blocked, local_ins_lat,
+ see '--mem-mode'.
If the data file has tracepoint event(s), following (dynamic) sort keys
are also available:
@@ -169,7 +220,11 @@ OPTIONS
--fields=::
Specify output field - multiple keys can be specified in CSV format.
Following fields are available:
- overhead, overhead_sys, overhead_us, overhead_children, sample and period.
+ overhead, latency, overhead_sys, overhead_us, overhead_children, sample,
+ period, weight1, weight2, weight3, ins_lat, p_stage_cyc and retire_lat.
+ The last 3 names are alias for the corresponding weights. When the weight
+ fields are used, they will show the average value of the weight.
+
Also it can contain any sort key(s).
By default, every sort keys not specified in -F will be appended
@@ -182,7 +237,7 @@ OPTIONS
--parent=<regex>::
A regex filter to identify parent. The parent is a caller of this
function and searched through the callchain, thus it requires callchain
- information recorded. The pattern is in the exteneded regex format and
+ information recorded. The pattern is in the extended regex format and
defaults to "\^sys_|^do_page_fault", see '--sort parent'.
-x::
@@ -204,11 +259,14 @@ OPTIONS
--dump-raw-trace::
Dump raw trace in ASCII.
+--disable-order::
+ Disable raw trace ordering.
+
-g::
--call-graph=<print_type,threshold[,print_limit],order,sort_key[,branch],value>::
Display call chains using type, min percent threshold, print limit,
- call order, sort key, optional branch and value. Note that ordering of
- parameters is not fixed so any parement can be given in an arbitraty order.
+ call order, sort key, optional branch and value. Note that ordering
+ is not fixed so any parameter can be given in an arbitrary order.
One exception is the print_limit which should be preceded by threshold.
print_type can be either:
@@ -242,7 +300,7 @@ OPTIONS
Usually more convenient to use --branch-history for this.
value can be:
- - percent: diplay overhead percent (default)
+ - percent: display overhead percent (default)
- period: display event period
- count: display event count
@@ -250,7 +308,7 @@ OPTIONS
Accumulate callchain of children to parent entry so that then can
show up in the output. The output will have a new "Children" column
and will be sorted on the data. It requires callchains are recorded.
- See the `overhead calculation' section for more details. Enabled by
+ See the `Overhead calculation' section for more details. Enabled by
default, disable with --no-children.
--max-stack::
@@ -295,6 +353,9 @@ OPTIONS
--vmlinux=<file>::
vmlinux pathname
+--ignore-vmlinux::
+ Ignore vmlinux files.
+
--kallsyms=<file>::
kallsyms pathname
@@ -349,11 +410,34 @@ OPTIONS
This allows to examine the path the program took to each sample.
The data collection must have used -b (or -j) and -g.
+ Also show with some branch flags that can be:
+ - Predicted: display the average percentage of predicated branches.
+ (predicated number / total number)
+ - Abort: display the number of tsx aborted branches.
+ - Cycles: cycles in basic block.
+
+ - iterations: display the average number of iterations in callchain list.
+
+--addr2line=<path>::
+ Path to addr2line binary.
+
--objdump=<path>::
Path to objdump binary.
+--prefix=PREFIX::
+--prefix-strip=N::
+ Remove first N entries from source file path names in executables
+ and add PREFIX. This allows to display source code compiled on systems
+ with different file system layout.
+
--group::
- Show event group information together.
+ Show event group information together. It forces group output also
+ if there are no groups defined in data file.
+
+--group-sort-idx::
+ Sort the output by the event at the index n in group. If n is invalid,
+ sort by the first event. It can support multiple groups with different
+ amount of events. WARNING: This should be used on grouped events.
--demangle::
Demangle symbol names to human readable form. It's enabled by default,
@@ -366,7 +450,7 @@ OPTIONS
Use the data addresses of samples in addition to instruction addresses
to build the histograms. To generate meaningful output, the perf.data
file must have been obtained using perf record -d -W and using a
- special event -e cpu/mem-loads/ or -e cpu/mem-stores/. See
+ special event -e cpu/mem-loads/p or -e cpu/mem-stores/p. See
'perf mem' for simpler access.
--percent-limit::
@@ -377,9 +461,9 @@ OPTIONS
--call-graph option for details.
--percentage::
- Determine how to display the overhead percentage of filtered entries.
- Filters can be applied by --comms, --dsos and/or --symbols options and
- Zoom operations on the TUI (thread, dso, etc).
+ Determine how to display the CPU and latency overhead percentage
+ of filtered entries. Filters can be applied by --comms, --dsos, --symbols
+ and/or --parallelism options and Zoom operations on the TUI (thread, dso, etc).
"relative" means it's relative to filtered entries only so that the
sum of shown entries will be always 100%. "absolute" means it retains
@@ -396,10 +480,48 @@ OPTIONS
--time::
Only analyze samples within given time window: <start>,<stop>. Times
- have the format seconds.microseconds. If start is not given (i.e., time
+ have the format seconds.nanoseconds. If start is not given (i.e. time
string is ',x.y') then analysis starts at the beginning of the file. If
- stop time is not given (i.e, time string is 'x.y,') then analysis goes
- to end of file.
+ stop time is not given (i.e. time string is 'x.y,') then analysis goes
+ to end of file. Multiple ranges can be separated by spaces, which
+ requires the argument to be quoted e.g. --time "1234.567,1234.789 1235,"
+
+ Also support time percent with multiple time ranges. Time string is
+ 'a%/n,b%/m,...' or 'a%-b%,c%-%d,...'.
+
+ For example:
+ Select the second 10% time slice:
+
+ perf report --time 10%/2
+
+ Select from 0% to 10% time slice:
+
+ perf report --time 0%-10%
+
+ Select the first and second 10% time slices:
+
+ perf report --time 10%/1,10%/2
+
+ Select from 0% to 10% and 30% to 40% slices:
+
+ perf report --time 0%-10%,30%-40%
+
+--switch-on EVENT_NAME::
+ Only consider events after this event is found.
+
+ This may be interesting to measure a workload only after some initialization
+ phase is over, i.e. insert a perf probe at that point and then using this
+ option with that probe.
+
+--switch-off EVENT_NAME::
+ Stop considering events after this event is found.
+
+--show-on-off-events::
+ Show the --switch-on/off events too. This has no effect in 'perf report' now
+ but probably we'll make the default not to show the switch-on/off events
+ on the --group mode and if there is only one event besides the off/on ones,
+ go straight to the histogram browser, just like 'perf report' with no events
+ explicitly specified does.
--itrace::
Options for decoding instruction tracing data. The options are:
@@ -422,21 +544,113 @@ include::itrace.txt[]
This option extends the perf report to show reference callgraphs,
which collected by reference event, in no callgraph event.
+--stitch-lbr::
+ Show callgraph with stitched LBRs, which may have more complete
+ callgraph. The perf.data file must have been obtained using
+ perf record --call-graph lbr.
+ Disabled by default. In common cases with call stack overflows,
+ it can recreate better call stacks than the default lbr call stack
+ output. But this approach is not foolproof. There can be cases
+ where it creates incorrect call stacks from incorrect matches.
+ The known limitations include exception handing such as
+ setjmp/longjmp will have calls/returns not match.
+
--socket-filter::
Only report the samples on the processor socket that match with this filter
+--samples=N::
+ Save N individual samples for each histogram entry to show context in perf
+ report tui browser.
+
--raw-trace::
When displaying traceevent output, do not use print fmt or plugins.
+-H::
--hierarchy::
- Enable hierarchical output.
+ Enable hierarchical output. In the hierarchy mode, each sort key groups
+ samples based on the criteria and then sub-divide it using the lower
+ level sort key.
+
+ For example:
+ In normal output:
+
+ perf report -s dso,sym
+ # Overhead Shared Object Symbol
+ 50.00% [kernel.kallsyms] [k] kfunc1
+ 20.00% perf [.] foo
+ 15.00% [kernel.kallsyms] [k] kfunc2
+ 10.00% perf [.] bar
+ 5.00% libc.so [.] libcall
+
+ In hierarchy output:
+
+ perf report -s dso,sym --hierarchy
+ # Overhead Shared Object / Symbol
+ 65.00% [kernel.kallsyms]
+ 50.00% [k] kfunc1
+ 15.00% [k] kfunc2
+ 30.00% perf
+ 20.00% [.] foo
+ 10.00% [.] bar
+ 5.00% libc.so
+ 5.00% [.] libcall
--inline::
If a callgraph address belongs to an inlined function, the inline stack
- will be printed. Each entry is function name or file/line.
+ will be printed. Each entry is function name or file/line. Enabled by
+ default, disable with --no-inline.
+
+--mmaps::
+ Show --tasks output plus mmap information in a format similar to
+ /proc/<PID>/maps.
+
+ Please note that not all mmaps are stored, options affecting which ones
+ are include 'perf record --data', for instance.
+
+--ns::
+ Show time stamps in nanoseconds.
+
+--stats::
+ Display overall events statistics without any further processing.
+ (like the one at the end of the perf report -D command)
+
+--tasks::
+ Display monitored tasks stored in perf data. Displaying pid/tid/ppid
+ plus the command string aligned to distinguish parent and child tasks.
+
+--percent-type::
+ Set annotation percent type from following choices:
+ global-period, local-period, global-hits, local-hits
+
+ The local/global keywords set if the percentage is computed
+ in the scope of the function (local) or the whole data (global).
+ The period/hits keywords set the base the percentage is computed
+ on - the samples period or the number of samples (hits).
+
+--time-quantum::
+ Configure time quantum for time sort key. Default 100ms.
+ Accepts s, us, ms, ns units.
+
+--total-cycles::
+ When --total-cycles is specified, it supports sorting for all blocks by
+ 'Sampled Cycles%'. This is useful to concentrate on the globally hottest
+ blocks. In output, there are some new columns:
+
+ 'Sampled Cycles%' - block sampled cycles aggregation / total sampled cycles
+ 'Sampled Cycles' - block sampled cycles aggregation
+ 'Avg Cycles%' - block average sampled cycles / sum of total block average
+ sampled cycles
+ 'Avg Cycles' - block average sampled cycles
+ 'Branch Counter' - block branch counter histogram (with -v showing the number)
+
+--skip-empty::
+ Do not print 0 results in the --stat output.
+
+include::cpu-and-latency-overheads.txt[]
include::callchain-overhead-calculation.txt[]
SEE ALSO
--------
-linkperf:perf-stat[1], linkperf:perf-annotate[1]
+linkperf:perf-stat[1], linkperf:perf-annotate[1], linkperf:perf-record[1],
+linkperf:perf-intel-pt[1]
diff --git a/tools/perf/Documentation/perf-sched.txt b/tools/perf/Documentation/perf-sched.txt
index a092a2499e8f..6dbbddb6464d 100644
--- a/tools/perf/Documentation/perf-sched.txt
+++ b/tools/perf/Documentation/perf-sched.txt
@@ -1,5 +1,5 @@
perf-sched(1)
-==============
+=============
NAME
----
@@ -20,6 +20,26 @@ There are several variants of 'perf sched':
'perf sched latency' to report the per task scheduling latencies
and other scheduling properties of the workload.
+ Example usage:
+ perf sched record -- sleep 1
+ perf sched latency
+
+ -------------------------------------------------------------------------------------------------------------------------------------------
+ Task | Runtime ms | Count | Avg delay ms | Max delay ms | Max delay start | Max delay end |
+ -------------------------------------------------------------------------------------------------------------------------------------------
+ perf:(2) | 2.804 ms | 66 | avg: 0.524 ms | max: 1.069 ms | max start: 254752.314960 s | max end: 254752.316029 s
+ NetworkManager:1343 | 0.372 ms | 13 | avg: 0.008 ms | max: 0.013 ms | max start: 254751.551153 s | max end: 254751.551166 s
+ kworker/1:2-xfs:4649 | 0.012 ms | 1 | avg: 0.008 ms | max: 0.008 ms | max start: 254751.519807 s | max end: 254751.519815 s
+ kworker/3:1-xfs:388 | 0.011 ms | 1 | avg: 0.006 ms | max: 0.006 ms | max start: 254751.519809 s | max end: 254751.519815 s
+ sleep:147736 | 0.938 ms | 3 | avg: 0.006 ms | max: 0.007 ms | max start: 254751.313817 s | max end: 254751.313824 s
+
+ It shows Runtime(time that a task spent actually running on the CPU),
+ Count(number of times a delay was calculated) and delay(time that a
+ task was ready to run but was kept waiting).
+
+ Tasks with the same command name are merged and the merge count is
+ given within (), However if -p option is used, pid is mentioned.
+
'perf sched script' to see a detailed trace of the workload that
was recorded (aliased to 'perf script' for now).
@@ -44,8 +64,8 @@ There are several variants of 'perf sched':
By default it shows the individual schedule events, including the wait
time (time between sched-out and next sched-in events for the task), the
- task scheduling delay (time between wakeup and actually running) and run
- time for the task:
+ task scheduling delay (time between runnable and actually running) and
+ run time for the task:
time cpu task name wait time sch delay run time
[tid/pid] (msec) (msec) (msec)
@@ -74,6 +94,26 @@ OPTIONS
--dump-raw-trace=::
Display verbose dump of the sched data.
+-f::
+--force::
+ Don't complain, do it.
+
+OPTIONS for 'perf sched latency'
+-------------------------------
+
+-C::
+--CPU <n>::
+ CPU to profile on.
+
+-p::
+--pids::
+ latency stats per pid instead of per command name.
+
+-s::
+--sort <key[,key2...]>::
+ sort by key(s): runtime, switch, avg, max
+ by default it's sorted by "avg ,max ,switch ,runtime".
+
OPTIONS for 'perf sched map'
----------------------------
@@ -90,6 +130,16 @@ OPTIONS for 'perf sched map'
--color-pids::
Highlight the given pids.
+--task-name <task>::
+ Map output only for the given task name(s). Separate the
+ task names with a comma (without whitespace). The sched-out
+ time is printed and is represented by '*-' for the given
+ task name(s).
+ ('-' indicates other tasks while '.' is idle).
+
+--fuzzy-name::
+ Given task name(s) can be partially matched (fuzzy matching).
+
OPTIONS for 'perf sched timehist'
---------------------------------
-k::
@@ -100,12 +150,24 @@ OPTIONS for 'perf sched timehist'
kallsyms pathname
-g::
---no-call-graph::
- Do not display call chains if present.
+--call-graph::
+ Display call chains if present (default on).
--max-stack::
Maximum number of functions to display in backtrace, default 5.
+-C=::
+--cpu=::
+ Only show events for the given CPU(s) (comma separated list).
+
+-p=::
+--pid=::
+ Only show events for given process ID (comma separated list).
+
+-t=::
+--tid=::
+ Only show events for given thread ID (comma separated list).
+
-s::
--summary::
Show only a summary of scheduling by thread with min, max, and average
@@ -150,6 +212,30 @@ OPTIONS for 'perf sched timehist'
--state::
Show task state when it switched out.
+--show-prio::
+ Show task priority.
+
+--prio::
+ Only show events for given task priority(ies). Multiple priorities can be
+ provided as a comma-separated list with no spaces: 0,120. Ranges of
+ priorities are specified with -: 120-129. A combination of both can also be
+ provided: 0,120-129.
+
+-P::
+--pre-migrations::
+ Show pre-migration wait time. pre-migration wait time is the time spent
+ by a task waiting on a runqueue but not getting the chance to run there
+ and is migrated to a different runqueue where it is finally run. This
+ time between sched_wakeup and migrate_task is the pre-migration wait
+ time.
+
+OPTIONS for 'perf sched replay'
+------------------------------
+
+-r::
+--repeat <n>::
+ repeat the workload n times (0: infinite). Default is 10.
+
SEE ALSO
--------
linkperf:perf-record[1]
diff --git a/tools/perf/Documentation/perf-script-perl.txt b/tools/perf/Documentation/perf-script-perl.txt
index dfbb506d2c34..5b479f5e62ff 100644
--- a/tools/perf/Documentation/perf-script-perl.txt
+++ b/tools/perf/Documentation/perf-script-perl.txt
@@ -1,5 +1,5 @@
perf-script-perl(1)
-==================
+===================
NAME
----
@@ -39,7 +39,7 @@ EVENT HANDLERS
When perf script is invoked using a trace script, a user-defined
'handler function' is called for each event in the trace. If there's
no handler function defined for a given event type, the event is
-ignored (or passed to a 'trace_handled' function, see below) and the
+ignored (or passed to a 'trace_unhandled' function, see below) and the
next event is processed.
Most of the event's field values are passed as arguments to the
@@ -54,8 +54,8 @@ all sched_wakeup events in the system:
Traces meant to be processed using a script should be recorded with
the above option: -a to enable system-wide collection.
-The format file for the sched_wakep event defines the following fields
-(see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format):
+The format file for the sched_wakeup event defines the following fields
+(see /sys/kernel/tracing/events/sched/sched_wakeup/format):
----
format:
diff --git a/tools/perf/Documentation/perf-script-python.txt b/tools/perf/Documentation/perf-script-python.txt
index 54acba221558..27a1cac6fe76 100644
--- a/tools/perf/Documentation/perf-script-python.txt
+++ b/tools/perf/Documentation/perf-script-python.txt
@@ -149,10 +149,8 @@ def raw_syscalls__sys_enter(event_name, context, common_cpu,
print "id=%d, args=%s\n" % \
(id, args),
-def trace_unhandled(event_name, context, common_cpu, common_secs, common_nsecs,
- common_pid, common_comm):
- print_header(event_name, common_cpu, common_secs, common_nsecs,
- common_pid, common_comm)
+def trace_unhandled(event_name, context, event_fields_dict):
+ print ' '.join(['%s=%s'%(k,str(v))for k,v in sorted(event_fields_dict.items())])
def print_header(event_name, cpu, secs, nsecs, pid, comm):
print "%-20s %5u %05u.%09u %8u %-20s " % \
@@ -169,7 +167,7 @@ below).
Following those are the 'event handler' functions generated one for
every event in the 'perf record' output. The handler functions take
-the form subsystem__event_name, and contain named parameters, one for
+the form subsystem\__event_name, and contain named parameters, one for
each field in the event; in this case, there's only one event,
raw_syscalls__sys_enter(). (see the EVENT HANDLERS section below for
more info on event handlers).
@@ -321,7 +319,7 @@ So those are the essential steps in writing and running a script. The
process can be generalized to any tracepoint or set of tracepoints
you're interested in - basically find the tracepoint(s) you're
interested in by looking at the list of available events shown by
-'perf list' and/or look in /sys/kernel/debug/tracing events for
+'perf list' and/or look in /sys/kernel/tracing/events/ for
detailed event and field info, record the corresponding trace data
using 'perf record', passing it the list of interesting events,
generate a skeleton script using 'perf script -g python' and modify the
@@ -334,7 +332,7 @@ right place, you can have your script listed alongside the other
scripts listed by the 'perf script -l' command e.g.:
----
-root@tropicana:~# perf script -l
+# perf script -l
List of available trace scripts:
wakeup-latency system-wide min/max/avg wakeup latency
rw-by-file <comm> r/w activity for a program, by file
@@ -383,8 +381,6 @@ source tree:
----
# ls -al kernel-source/tools/perf/scripts/python
-
-root@tropicana:/home/trz/src/tip# ls -al tools/perf/scripts/python
total 32
drwxr-xr-x 4 trz trz 4096 2010-01-26 22:30 .
drwxr-xr-x 4 trz trz 4096 2010-01-26 22:29 ..
@@ -399,7 +395,7 @@ otherwise your script won't show up at run-time), 'perf script -l'
should show a new entry for your script:
----
-root@tropicana:~# perf script -l
+# perf script -l
List of available trace scripts:
wakeup-latency system-wide min/max/avg wakeup latency
rw-by-file <comm> r/w activity for a program, by file
@@ -437,7 +433,7 @@ EVENT HANDLERS
When perf script is invoked using a trace script, a user-defined
'handler function' is called for each event in the trace. If there's
no handler function defined for a given event type, the event is
-ignored (or passed to a 'trace_handled' function, see below) and the
+ignored (or passed to a 'trace_unhandled' function, see below) and the
next event is processed.
Most of the event's field values are passed as arguments to the
@@ -452,8 +448,8 @@ all sched_wakeup events in the system:
Traces meant to be processed using a script should be recorded with
the above option: -a to enable system-wide collection.
-The format file for the sched_wakep event defines the following fields
-(see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format):
+The format file for the sched_wakeup event defines the following fields
+(see /sys/kernel/tracing/events/sched/sched_wakeup/format):
----
format:
@@ -532,7 +528,7 @@ can implement a set of optional functions:
gives scripts a chance to do setup tasks:
----
-def trace_begin:
+def trace_begin():
pass
----
@@ -541,7 +537,7 @@ def trace_begin:
as display results:
----
-def trace_end:
+def trace_end():
pass
----
@@ -550,8 +546,28 @@ def trace_end:
of common arguments are passed into it:
----
-def trace_unhandled(event_name, context, common_cpu, common_secs,
- common_nsecs, common_pid, common_comm):
+def trace_unhandled(event_name, context, event_fields_dict):
+ pass
+----
+
+*process_event*, if defined, is called for any non-tracepoint event
+
+----
+def process_event(param_dict):
+ pass
+----
+
+*context_switch*, if defined, is called for any context switch
+
+----
+def context_switch(ts, cpu, pid, tid, np_pid, np_tid, machine_pid, out, out_preempt, *x):
+ pass
+----
+
+*auxtrace_error*, if defined, is called for any AUX area tracing error
+
+----
+def auxtrace_error(typ, code, cpu, pid, tid, ip, ts, msg, cpumode, *x):
pass
----
@@ -597,12 +613,18 @@ common, but need to be made accessible to user scripts nonetheless.
perf_trace_context defines a set of functions that can be used to
access this data in the context of the current event. Each of these
functions expects a context variable, which is the same as the
-context variable passed into every event handler as the second
-argument.
+context variable passed into every tracepoint event handler as the second
+argument. For non-tracepoint events, the context variable is also present
+as perf_trace_context.perf_script_context .
common_pc(context) - returns common_preempt count for the current event
common_flags(context) - returns common_flags for the current event
common_lock_depth(context) - returns common_lock_depth for the current event
+ perf_sample_insn(context) - returns the machine code instruction
+ perf_set_itrace_options(context, itrace_options) - set --itrace options if they have not been set already
+ perf_sample_srcline(context) - returns source_file_name, line_number
+ perf_sample_srccode(context) - returns source_file_name, line_number, source_line
+ perf_config_get(config_name) - returns the value of the named config item, or None if unset
Util.py Module
~~~~~~~~~~~~~~
@@ -615,6 +637,43 @@ Various utility functions for use with perf script:
nsecs_str(nsecs) - returns printable string in the form secs.nsecs
avg(total, n) - returns average given a sum and a total number of values
+SUPPORTED FIELDS
+----------------
+
+Currently supported fields:
+
+ev_name, comm, id, stream_id, pid, tid, cpu, ip, time, period, phys_addr,
+addr, symbol, symoff, dso, time_enabled, time_running, values, callchain,
+brstack, brstacksym, datasrc, datasrc_decode, iregs, uregs,
+weight, transaction, raw_buf, attr, cpumode.
+
+Fields that may also be present:
+
+ flags - sample flags
+ flags_disp - sample flags display
+ insn_cnt - instruction count for determining instructions-per-cycle (IPC)
+ cyc_cnt - cycle count for determining IPC
+ addr_correlates_sym - addr can correlate to a symbol
+ addr_dso - addr dso
+ addr_symbol - addr symbol
+ addr_symoff - addr symbol offset
+
+Some fields have sub items:
+
+brstack:
+ from, to, from_dsoname, to_dsoname, mispred,
+ predicted, in_tx, abort, cycles.
+
+brstacksym:
+ items: from, to, pred, in_tx, abort (converted string)
+
+For example,
+We can use this code to print brstack "from", "to", "cycles".
+
+if 'brstack' in dict:
+ for entry in dict['brstack']:
+ print "from %s, to %s, cycles %s" % (entry["from"], entry["to"], entry["cycles"])
+
SEE ALSO
--------
linkperf:perf-script[1]
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index cb0eda3925e6..03d112960632 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -79,6 +79,9 @@ OPTIONS
--dump-raw-trace=::
Display verbose dump of the trace data.
+--dump-unsorted-raw-trace=::
+ Same as --dump-raw-trace but not sorted in time order.
+
-L::
--Latency=::
Show latency attributes (irqs/preemption disabled, etc).
@@ -98,6 +101,18 @@ OPTIONS
Generate perf-script.[ext] starter script for given language,
using current perf.data.
+--dlfilter=<file>::
+ Filter sample events using the given shared object file.
+ Refer linkperf:perf-dlfilter[1]
+
+--dlarg=<arg>::
+ Pass 'arg' as an argument to the dlfilter. --dlarg may be repeated
+ to add more arguments.
+
+--list-dlfilters::
+ Display a list of available dlfilters. Use with option -v (must come
+ before option --list-dlfilters) to show long descriptions.
+
-a::
Force system-wide collection. Scripts run without a <command>
normally use -a by default, while scripts run with a <command>
@@ -115,9 +130,13 @@ OPTIONS
-F::
--fields::
Comma separated list of fields to print. Options are:
- comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr, symoff,
- srcline, period, iregs, brstack, brstacksym, flags, bpf-output, brstackinsn,
- callindent, insn, insnlen. Field list can be prepended with the type, trace, sw or hw,
+ comm, tid, pid, time, cpu, event, trace, ip, sym, dso, dsoff, addr, symoff,
+ srcline, period, iregs, uregs, brstack, brstacksym, flags, bpf-output,
+ brstackinsn, brstackinsnlen, brstackdisasm, brstackoff, callindent, insn, disasm,
+ insnlen, synth, phys_addr, metric, misc, srccode, ipc, data_page_size,
+ code_page_size, ins_lat, machine_pid, vcpu, cgroup, retire_lat, brcntr,
+
+ Field list can be prepended with the type, trace, sw or hw,
to indicate to which event type the field list applies.
e.g., -F sw:comm,tid,time,ip,sym and -F trace:time,cpu,trace
@@ -130,6 +149,14 @@ OPTIONS
i.e., the specified fields apply to all event types if the type string
is not given.
+ In addition to overriding fields, it is also possible to add or remove
+ fields from the defaults. For example
+
+ -F -cpu,+insn
+
+ removes the cpu field and adds the insn field. Adding/removing fields
+ cannot be mixed with normal overriding.
+
The arguments are processed in the order received. A later usage can
reset a prior request. e.g.:
@@ -150,6 +177,12 @@ OPTIONS
the override, and the result of the above is that only S/W and H/W
events are displayed with the given fields.
+ It's possible tp add/remove fields only for specific event type:
+
+ -Fsw:-cpu,-period
+
+ removes cpu and period from software events.
+
For the 'wildcard' option if a user selected field is invalid for an
event type, a message is displayed to the user that the option is
ignored for that type. For example:
@@ -167,35 +200,61 @@ OPTIONS
At this point usage is displayed, and perf-script exits.
The flags field is synthesized and may have a value when Instruction
- Trace decoding. The flags are "bcrosyiABEx" which stand for branch,
+ Trace decoding. The flags are "bcrosyiABExghDt" which stand for branch,
call, return, conditional, system, asynchronous, interrupt,
- transaction abort, trace begin, trace end, and in transaction,
- respectively. Known combinations of flags are printed more nicely e.g.
+ transaction abort, trace begin, trace end, in transaction, VM-Entry,
+ VM-Exit, interrupt disabled and interrupt disable toggle respectively.
+ Known combinations of flags are printed more nicely e.g.
"call" for "bc", "return" for "br", "jcc" for "bo", "jmp" for "b",
"int" for "bci", "iret" for "bri", "syscall" for "bcs", "sysret" for "brs",
"async" for "by", "hw int" for "bcyi", "tx abrt" for "bA", "tr strt" for "bB",
- "tr end" for "bE". However the "x" flag will be display separately in those
- cases e.g. "jcc (x)" for a condition branch within a transaction.
+ "tr end" for "bE", "vmentry" for "bcg", "vmexit" for "bch".
+ However the "x", "D" and "t" flags will be displayed separately in those
+ cases e.g. "jcc (xD)" for a condition branch within a transaction
+ with interrupts disabled. Note, interrupts becoming disabled is "t",
+ whereas interrupts becoming enabled is "Dt".
The callindent field is synthesized and may have a value when
Instruction Trace decoding. For calls and returns, it will display the
name of the symbol indented with spaces to reflect the stack depth.
- When doing instruction trace decoding insn and insnlen give the
- instruction bytes and the instruction length of the current
- instruction.
+ When doing instruction trace decoding, insn, disasm and insnlen give the
+ instruction bytes, disassembled instructions (requires libcapstone support)
+ and the instruction length of the current instruction respectively.
+
+ The synth field is used by synthesized events which may be created when
+ Instruction Trace decoding.
+
+ The ipc (instructions per cycle) field is synthesized and may have a value when
+ Instruction Trace decoding.
+
+ The machine_pid and vcpu fields are derived from data resulting from using
+ perf inject to insert a perf.data file recorded inside a virtual machine into
+ a perf.data file recorded on the host at the same time.
+
+ The cgroup fields requires sample having the cgroup id which is saved
+ when "--all-cgroups" option is passed to 'perf record'.
Finally, a user may not set fields to none for all event types.
i.e., -F "" is not allowed.
The brstack output includes branch related information with raw addresses using the
- /v/v/v/v/cycles syntax in the following order:
- FROM: branch source instruction
- TO : branch target instruction
- M/P/-: M=branch target mispredicted or branch direction was mispredicted, P=target predicted or direction predicted, -=not supported
- X/- : X=branch inside a transactional region, -=not in transaction region or not supported
- A/- : A=TSX abort entry, -=not aborted region or not supported
- cycles
+ FROM/TO/EVENT/INTX/ABORT/CYCLES/TYPE/SPEC syntax in the following order:
+ FROM : branch source instruction
+ TO : branch target instruction
+ EVENT : M=branch target or direction was mispredicted
+ P=branch target or direction was predicted
+ N=branch not-taken
+ -=no event or not supported
+ INTX : X=branch inside a transactional region
+ -=branch not in transaction region or not supported
+ ABORT : A=TSX abort entry
+ -=not aborted region or not supported
+ CYCLES: the number of cycles that have elapsed since the last branch was recorded
+ TYPE : branch type: COND/UNCOND/IND/CALL/IND_CALL/RET etc.
+ -=not supported
+ SPEC : branch speculation info: SPEC_WRONG_PATH/NON_SPEC_CORRECT_PATH/SPEC_CORRECT_PATH
+ -=not supported
The brstacksym is identical to brstack, except that the FROM and TO addresses are printed in a symbolic form if possible.
@@ -203,6 +262,42 @@ OPTIONS
is printed. This is the full execution path leading to the sample. This is only supported when the
sample was recorded with perf record -b or -j any.
+ Use brstackinsnlen to print the brstackinsn lenght. For example, you
+ can’t know the next sequential instruction after an unconditional branch unless
+ you calculate that based on its length.
+
+ brstackdisasm acts like brstackinsn, but will print disassembled instructions if
+ perf is built with the capstone library.
+
+ The brstackoff field will print an offset into a specific dso/binary.
+
+ With the metric option perf script can compute metrics for
+ sampling periods, similar to perf stat. This requires
+ specifying a group with multiple events defining metrics with the :S option
+ for perf record. perf will sample on the first event, and
+ print computed metrics for all the events in the group. Please note
+ that the metric computed is averaged over the whole sampling
+ period (since the last sample), not just for the sample point.
+
+ For sample events it's possible to display misc field with -F +misc option,
+ following letters are displayed for each bit:
+
+ PERF_RECORD_MISC_KERNEL K
+ PERF_RECORD_MISC_USER U
+ PERF_RECORD_MISC_HYPERVISOR H
+ PERF_RECORD_MISC_GUEST_KERNEL G
+ PERF_RECORD_MISC_GUEST_USER g
+ PERF_RECORD_MISC_MMAP_DATA* M
+ PERF_RECORD_MISC_COMM_EXEC E
+ PERF_RECORD_MISC_SWITCH_OUT S
+ PERF_RECORD_MISC_SWITCH_OUT_PREEMPT Sp
+
+ $ perf script -F +misc ...
+ sched-messaging 1414 K 28690.636582: 4590 cycles ...
+ sched-messaging 1407 U 28690.636600: 325620 cycles ...
+ sched-messaging 1414 K 28690.636608: 19473 cycles ...
+ misc field ___________/
+
-k::
--vmlinux=<file>::
vmlinux pathname
@@ -260,6 +355,22 @@ OPTIONS
Display context switch events i.e. events of type PERF_RECORD_SWITCH or
PERF_RECORD_SWITCH_CPU_WIDE.
+--show-lost-events
+ Display lost events i.e. events of type PERF_RECORD_LOST.
+
+--show-round-events
+ Display finished round events i.e. events of type PERF_RECORD_FINISHED_ROUND.
+
+--show-bpf-events
+ Display bpf events i.e. events of type PERF_RECORD_KSYMBOL and PERF_RECORD_BPF_EVENT.
+
+--show-cgroup-events
+ Display cgroup events i.e. events of type PERF_RECORD_CGROUP.
+
+--show-text-poke-events
+ Display text poke events i.e. events of type PERF_RECORD_TEXT_POKE and
+ PERF_RECORD_KSYMBOL.
+
--demangle::
Demangle symbol names to human readable form. It's enabled by default,
disable with --no-demangle.
@@ -267,6 +378,9 @@ OPTIONS
--demangle-kernel::
Demangle kernel symbol names to human readable form (for C++ kernels).
+--addr2line=<path>::
+ Path to addr2line binary.
+
--header
Show perf.data header.
@@ -302,16 +416,128 @@ include::itrace.txt[]
--time::
Only analyze samples within given time window: <start>,<stop>. Times
- have the format seconds.microseconds. If start is not given (i.e., time
+ have the format seconds.nanoseconds. If start is not given (i.e. time
string is ',x.y') then analysis starts at the beginning of the file. If
- stop time is not given (i.e, time string is 'x.y,') then analysis goes
- to end of file.
+ stop time is not given (i.e. time string is 'x.y,') then analysis goes
+ to end of file. Multiple ranges can be separated by spaces, which
+ requires the argument to be quoted e.g. --time "1234.567,1234.789 1235,"
+
+ Also support time percent with multiple time ranges. Time string is
+ 'a%/n,b%/m,...' or 'a%-b%,c%-%d,...'.
+
+ For example:
+ Select the second 10% time slice:
+ perf script --time 10%/2
+
+ Select from 0% to 10% time slice:
+ perf script --time 0%-10%
+
+ Select the first and second 10% time slices:
+ perf script --time 10%/1,10%/2
+
+ Select from 0% to 10% and 30% to 40% slices:
+ perf script --time 0%-10%,30%-40%
--max-blocks::
- Set the maximum number of program blocks to print with brstackasm for
+ Set the maximum number of program blocks to print with brstackinsn for
each sample.
+--reltime::
+ Print time stamps relative to trace start.
+
+--deltatime::
+ Print time stamps relative to previous event.
+
+--per-event-dump::
+ Create per event files with a "perf.data.EVENT.dump" name instead of
+ printing to stdout, useful, for instance, for generating flamegraphs.
+
+--inline::
+ If a callgraph address belongs to an inlined function, the inline stack
+ will be printed. Each entry has function name and file/line. Enabled by
+ default, disable with --no-inline.
+
+--insn-trace[=<raw|disasm>]::
+ Show instruction stream in bytes (raw) or disassembled (disasm)
+ for intel_pt traces. The default is 'raw'. To use xed, combine
+ 'raw' with --xed to show disassembly done by xed.
+
+--xed::
+ Run xed disassembler on output. Requires installing the xed disassembler.
+
+-S::
+--symbols=symbol[,symbol...]::
+ Only consider the listed symbols. Symbols are typically a name
+ but they may also be hexadecimal address.
+
+ The hexadecimal address may be the start address of a symbol or
+ any other address to filter the trace records
+
+ For example, to select the symbol noploop or the address 0x4007a0:
+ perf script --symbols=noploop,0x4007a0
+
+ Support filtering trace records by symbol name, start address of
+ symbol, any hexadecimal address and address range.
+
+ The comparison order is:
+
+ 1. symbol name comparison
+ 2. symbol start address comparison.
+ 3. any hexadecimal address comparison.
+ 4. address range comparison (see --addr-range).
+
+--addr-range::
+ Use with -S or --symbols to list traced records within address range.
+
+ For example, to list the traced records within the address range
+ [0x4007a0, 0x0x4007a9]:
+ perf script -S 0x4007a0 --addr-range 10
+
+--dsos=::
+ Only consider symbols in these DSOs.
+
+--call-trace::
+ Show call stream for intel_pt traces. The CPUs are interleaved, but
+ can be filtered with -C.
+
+--call-ret-trace::
+ Show call and return stream for intel_pt traces.
+
+--graph-function::
+ For itrace only show specified functions and their callees for
+ itrace. Multiple functions can be separated by comma.
+
+--switch-on EVENT_NAME::
+ Only consider events after this event is found.
+
+--switch-off EVENT_NAME::
+ Stop considering events after this event is found.
+
+--show-on-off-events::
+ Show the --switch-on/off events too.
+
+--stitch-lbr::
+ Show callgraph with stitched LBRs, which may have more complete
+ callgraph. The perf.data file must have been obtained using
+ perf record --call-graph lbr.
+ Disabled by default. In common cases with call stack overflows,
+ it can recreate better call stacks than the default lbr call stack
+ output. But this approach is not foolproof. There can be cases
+ where it creates incorrect call stacks from incorrect matches.
+ The known limitations include exception handing such as
+ setjmp/longjmp will have calls/returns not match.
+
+--merge-callchains::
+ Enable merging deferred user callchains if available. This is the
+ default behavior. If you want to see separate CALLCHAIN_DEFERRED
+ records for some reason, use --no-merge-callchains explicitly.
+
+:GMEXAMPLECMD: script
+:GMEXAMPLESUBCMD:
+include::guest-files.txt[]
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-script-perl[1],
-linkperf:perf-script-python[1]
+linkperf:perf-script-python[1], linkperf:perf-intel-pt[1],
+linkperf:perf-dlfilter[1]
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index bd0e4417f2be..1a766d4a2233 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -9,8 +9,8 @@ SYNOPSIS
--------
[verse]
'perf stat' [-e <EVENT> | --event=EVENT] [-a] <command>
-'perf stat' [-e <EVENT> | --event=EVENT] [-a] -- <command> [<options>]
-'perf stat' [-e <EVENT> | --event=EVENT] [-a] record [-o file] -- <command> [<options>]
+'perf stat' [-e <EVENT> | --event=EVENT] [-a] \-- <command> [<options>]
+'perf stat' [-e <EVENT> | --event=EVENT] [-a] record [-o file] \-- <command> [<options>]
'perf stat' report [-i file]
DESCRIPTION
@@ -36,18 +36,35 @@ report::
- a symbolic event name (use 'perf list' to list all events)
- - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a
- hexadecimal event descriptor.
+ - a raw PMU event in the form of rN where N is a hexadecimal value
+ that represents the raw register encoding with the layout of the
+ event control registers as described by entries in
+ /sys/bus/event_source/devices/cpu/format/*.
+
+ - a symbolic or raw PMU event followed by an optional colon
+ and a list of event modifiers, e.g., cpu-cycles:p. See the
+ linkperf:perf-list[1] man page for details on event modifiers.
- a symbolically formed event like 'pmu/param1=0x3,param2/' where
param1 and param2 are defined as formats for the PMU in
- /sys/bus/event_sources/devices/<pmu>/format/*
+ /sys/bus/event_source/devices/<pmu>/format/*
+
+ 'percore' is a event qualifier that sums up the event counts for both
+ hardware threads in a core. For example:
+ perf stat -A -a -e cpu/event,percore=1/,otherevent ...
- a symbolically formed event like 'pmu/config=M,config1=N,config2=K/'
where M, N, K are numbers (in decimal, hex, octal format).
Acceptable values for each of 'config', 'config1' and 'config2'
parameters are defined by corresponding entries in
- /sys/bus/event_sources/devices/<pmu>/format/*
+ /sys/bus/event_source/devices/<pmu>/format/*
+
+ Note that the last two syntaxes support prefix and glob matching in
+ the PMU name to simplify creation of events across multiple instances
+ of the same type of PMU in large systems (e.g. memory controller PMUs).
+ Multiple PMU instances are typical for uncore PMUs, so the prefix
+ 'uncore_' is also ignored when performing this match.
+
-i::
--no-inherit::
@@ -60,14 +77,54 @@ report::
--tid=<tid>::
stat events on existing thread id (comma separated list)
+-b::
+--bpf-prog::
+ stat events on existing bpf program id (comma separated list),
+ requiring root rights. bpftool-prog could be used to find program
+ id all bpf programs in the system. For example:
+
+ # bpftool prog | head -n 1
+ 17247: tracepoint name sys_enter tag 192d548b9d754067 gpl
+
+ # perf stat -e cycles,instructions --bpf-prog 17247 --timeout 1000
+
+ Performance counter stats for 'BPF program(s) 17247':
+
+ 85,967 cycles
+ 28,982 instructions # 0.34 insn per cycle
+
+ 1.102235068 seconds time elapsed
+
+--bpf-counters::
+ Use BPF programs to aggregate readings from perf_events. This
+ allows multiple perf-stat sessions that are counting the same metric (cycles,
+ instructions, etc.) to share hardware counters.
+ To use BPF programs on common events by default, use
+ "perf config stat.bpf-counter-events=<list_of_events>".
+
+--bpf-attr-map::
+ With option "--bpf-counters", different perf-stat sessions share
+ information about shared BPF programs and maps via a pinned hashmap.
+ Use "--bpf-attr-map" to specify the path of this pinned hashmap.
+ The default path is /sys/fs/bpf/perf_attr_map.
+
+ifdef::HAVE_LIBPFM[]
+--pfm-events events::
+Select a PMU event using libpfm4 syntax (see http://perfmon2.sf.net)
+including support for event filters. For example '--pfm-events
+inst_retired:any_p:u:c=1:i'. More than one event can be passed to the
+option using the comma separator. Hardware events and generic hardware
+events cannot be mixed together. The latter must be used with the -e
+option. The -e option and this one can be mixed and matched. Events
+can be grouped using the {} notation.
+endif::HAVE_LIBPFM[]
-a::
--all-cpus::
system-wide collection from all CPUs (default if no target is specified)
--c::
---scale::
- scale/normalize counter values
+--no-scale::
+ Don't scale/normalize counter values
-d::
--detailed::
@@ -83,7 +140,9 @@ report::
-B::
--big-num::
- print large numbers with thousands' separators according to locale
+ print large numbers with thousands' separators according to locale.
+ Enabled by default. Use "--no-big-num" to disable.
+ Default setting can be changed with "perf config stat.big-num=false".
-C::
--cpu=::
@@ -98,7 +157,10 @@ Do not aggregate counts across all monitored CPUs.
-n::
--null::
- null run - don't start any counters
+null run - Don't start any counters.
+
+This can be useful to measure just elapsed wall-clock time - or to assess the
+raw overhead of perf stat itself, without running any counters.
-v::
--verbose::
@@ -109,6 +171,22 @@ Do not aggregate counts across all monitored CPUs.
print counts using a CSV-style output to make it easy to import directly into
spreadsheets. Columns are separated by the string specified in SEP.
+--table:: Display time for each run (-r option), in a table format, e.g.:
+
+ $ perf stat --null -r 5 --table perf bench sched pipe
+
+ Performance counter stats for 'perf bench sched pipe' (5 runs):
+
+ # Table of individual measurements:
+ 5.189 (-0.293) #
+ 5.189 (-0.294) #
+ 5.186 (-0.296) #
+ 5.663 (+0.181) ##
+ 6.186 (+0.703) ####
+
+ # Final result:
+ 5.483 +- 0.198 seconds time elapsed ( +- 3.62% )
+
-G name::
--cgroup name::
monitor only in the container (cgroup) called "name". This option is available only
@@ -118,7 +196,17 @@ can be provided. Each cgroup is applied to the corresponding event, i.e., first
to first event, second cgroup to second event and so on. It is possible to provide
an empty cgroup (monitor all the time) using, e.g., -G foo,,bar. Cgroups must have
corresponding events, i.e., they always refer to events defined earlier on the command
-line.
+line. If the user wants to track multiple events for a specific cgroup, the user can
+use '-e e1 -e e2 -G foo,foo' or just use '-e e1 -e e2 -G foo'.
+
+If wanting to monitor, say, 'cycles' for a cgroup and also for system wide, this
+command line can be used: 'perf stat -e cycles -G cgroup_name -a -e cycles'.
+
+--for-each-cgroup name::
+Expand event list for each cgroup in "name" (allow multiple cgroups separated
+by comma). It also support regex patterns to match multiple groups. This has same
+effect that repeating -e option and -G option for each event x name. This option
+cannot be used with -G/--cgroup option.
-o file::
--output file::
@@ -131,21 +219,77 @@ Append to the output file designated with the -o option. Ignored if -o is not sp
Log output to fd, instead of stderr. Complementary to --output, and mutually exclusive
with it. --append may be used here. Examples:
- 3>results perf stat --log-fd 3 -- $cmd
- 3>>results perf stat --log-fd 3 --append -- $cmd
+ 3>results perf stat --log-fd 3 \-- $cmd
+ 3>>results perf stat --log-fd 3 --append \-- $cmd
+
+--control=fifo:ctl-fifo[,ack-fifo]::
+--control=fd:ctl-fd[,ack-fd]::
+ctl-fifo / ack-fifo are opened and used as ctl-fd / ack-fd as follows.
+Listen on ctl-fd descriptor for command to control measurement ('enable': enable events,
+'disable': disable events). Measurements can be started with events disabled using
+--delay=-1 option. Optionally send control command completion ('ack\n') to ack-fd descriptor
+to synchronize with the controlling process. Example of bash shell script to enable and
+disable events during measurements:
+
+ #!/bin/bash
+
+ ctl_dir=/tmp/
+
+ ctl_fifo=${ctl_dir}perf_ctl.fifo
+ test -p ${ctl_fifo} && unlink ${ctl_fifo}
+ mkfifo ${ctl_fifo}
+ exec {ctl_fd}<>${ctl_fifo}
+
+ ctl_ack_fifo=${ctl_dir}perf_ctl_ack.fifo
+ test -p ${ctl_ack_fifo} && unlink ${ctl_ack_fifo}
+ mkfifo ${ctl_ack_fifo}
+ exec {ctl_fd_ack}<>${ctl_ack_fifo}
+
+ perf stat -D -1 -e cpu-cycles -a -I 1000 \
+ --control fd:${ctl_fd},${ctl_fd_ack} \
+ \-- sleep 30 &
+ perf_pid=$!
+
+ sleep 5 && echo 'enable' >&${ctl_fd} && read -u ${ctl_fd_ack} e1 && echo "enabled(${e1})"
+ sleep 10 && echo 'disable' >&${ctl_fd} && read -u ${ctl_fd_ack} d1 && echo "disabled(${d1})"
+
+ exec {ctl_fd_ack}>&-
+ unlink ${ctl_ack_fifo}
+
+ exec {ctl_fd}>&-
+ unlink ${ctl_fifo}
+
+ wait -n ${perf_pid}
+ exit $?
+
--pre::
--post::
Pre and post measurement hooks, e.g.:
-perf stat --repeat 10 --null --sync --pre 'make -s O=defconfig-build/clean' -- make -s -j64 O=defconfig-build/ bzImage
+perf stat --repeat 10 --null --sync --pre 'make -s O=defconfig-build/clean' \-- make -s -j64 O=defconfig-build/ bzImage
-I msecs::
--interval-print msecs::
-Print count deltas every N milliseconds (minimum: 10ms)
+Print count deltas every N milliseconds (minimum: 1ms)
The overhead percentage could be high in some cases, for instance with small, sub 100ms intervals. Use with caution.
example: 'perf stat -I 1000 -e cycles -a sleep 5'
+If the metric exists, it is calculated by the counts generated in this interval and the metric is printed after #.
+
+--interval-count times::
+Print count deltas for fixed number of times.
+This option should be used together with "-I" option.
+ example: 'perf stat -I 1000 --interval-count 2 -e cycles -a'
+
+--interval-clear::
+Clear the screen before next interval.
+
+--timeout msecs::
+Stop the 'perf stat' session and print count deltas after N milliseconds (minimum: 10 ms).
+This option is not supported with the "-I" option.
+ example: 'perf stat --time 2000 -e cycles -a'
+
--metric-only::
Only print computed metrics. Print them in a single line.
Don't show any raw values. Not supported with --per-thread.
@@ -157,6 +301,29 @@ use --per-socket in addition to -a. (system-wide). The output includes the
socket number and the number of online processors on that socket. This is
useful to gauge the amount of aggregation.
+--per-die::
+Aggregate counts per processor die for system-wide mode measurements. This
+is a useful mode to detect imbalance between dies. To enable this mode,
+use --per-die in addition to -a. (system-wide). The output includes the
+die number and the number of online processors on that die. This is
+useful to gauge the amount of aggregation.
+
+--per-cluster::
+Aggregate counts per processor cluster for system-wide mode measurement. This
+is a useful mode to detect imbalance between clusters. To enable this mode,
+use --per-cluster in addition to -a. (system-wide). The output includes the
+cluster number and the number of online processors on that cluster. This is
+useful to gauge the amount of aggregation. The information of cluster ID and
+related CPUs can be gotten from /sys/devices/system/cpu/cpuX/topology/cluster_{id, cpus}.
+
+--per-cache::
+Aggregate counts per cache instance for system-wide mode measurements. By
+default, the aggregation happens for the cache level at the highest index
+in the system. To specify a particular level, mention the cache level
+alongside the option in the format [Ll][1-9][0-9]*. For example:
+Using option "--per-cache=l3" or "--per-cache=L3" will aggregate the
+information at the boundary of the level 3 cache in the system.
+
--per-core::
Aggregate counts per physical processor for system-wide mode measurements. This
is a useful mode to detect imbalance between physical cores. To enable this mode,
@@ -167,16 +334,54 @@ core number and the number of online logical processors on that physical process
Aggregate counts per monitored threads, when monitoring threads (-t option)
or processes (-p option).
+--per-node::
+Aggregate counts per NUMA nodes for system-wide mode measurements. This
+is a useful mode to detect imbalance between NUMA nodes. To enable this
+mode, use --per-node in addition to -a. (system-wide).
+
-D msecs::
--delay msecs::
-After starting the program, wait msecs before measuring. This is useful to
-filter out the startup phase of the program, which is often very different.
+After starting the program, wait msecs before measuring (-1: start with events
+disabled). This is useful to filter out the startup phase of the program,
+which is often very different.
-T::
--transaction::
Print statistics of transactional execution if supported.
+--metric-no-group::
+By default, events to compute a metric are placed in weak groups. The
+group tries to enforce scheduling all or none of the events. The
+--metric-no-group option places events outside of groups and may
+increase the chance of the event being scheduled - leading to more
+accuracy. However, as events may not be scheduled together accuracy
+for metrics like instructions per cycle can be lower - as both metrics
+may no longer be being measured at the same time.
+
+--metric-no-merge::
+By default metric events in different weak groups can be shared if one
+group contains all the events needed by another. In such cases one
+group will be eliminated reducing event multiplexing and making it so
+that certain groups of metrics sum to 100%. A downside to sharing a
+group is that the group may require multiplexing and so accuracy for a
+small group that need not have multiplexing is lowered. This option
+forbids the event merging logic from sharing events between groups and
+may be used to increase accuracy in this case.
+
+--metric-no-threshold::
+Metric thresholds may increase the number of events necessary to
+compute whether a metric has exceeded its threshold expression. This
+may not be desirable, for example, as the events can introduce
+multiplexing. This option disables the adding of threshold expression
+events for a metric. However, if there are sufficient events to
+compute the threshold then the threshold is still computed and used to
+color the metric's computed value.
+
+--quiet::
+Don't print output, warnings or messages. This is useful with perf stat
+record below to only write data to the perf.data file.
+
STAT RECORD
-----------
Stores stat data into perf data file.
@@ -196,18 +401,72 @@ Input file name.
--per-socket::
Aggregate counts per processor socket for system-wide mode measurements.
+--per-die::
+Aggregate counts per processor die for system-wide mode measurements.
+
+--per-cluster::
+Aggregate counts perf processor cluster for system-wide mode measurements.
+
+--per-cache::
+Aggregate counts per cache instance for system-wide mode measurements. By
+default, the aggregation happens for the cache level at the highest index
+in the system. To specify a particular level, mention the cache level
+alongside the option in the format [Ll][1-9][0-9]*. For example: Using
+option "--per-cache=l3" or "--per-cache=L3" will aggregate the
+information at the boundary of the level 3 cache in the system.
+
--per-core::
Aggregate counts per physical processor for system-wide mode measurements.
+-M::
+--metrics::
+Print metrics or metricgroups specified in a comma separated list.
+For a group all metrics from the group are added.
+The events from the metrics are automatically measured.
+See perf list output for the possible metrics and metricgroups.
+
+ When threshold information is available for a metric, the
+ color red is used to signify a metric has exceeded a threshold
+ while green shows it hasn't. The default color means that
+ no threshold information was available or the threshold
+ couldn't be computed.
+
-A::
--no-aggr::
-Do not aggregate counts across all monitored CPUs.
+--no-merge::
+Do not aggregate/merge counts across monitored CPUs or PMUs.
+
+When multiple events are created from a single event specification,
+stat will, by default, aggregate the event counts and show the result
+in a single row. This option disables that behavior and shows the
+individual events and counts.
+
+Multiple events are created from a single event specification when:
+
+1. PID monitoring isn't requested and the system has more than one
+ CPU. For example, a system with 8 SMT threads will have one event
+ opened on each thread and aggregation is performed across them.
+
+2. Prefix or glob wildcard matching is used for the PMU name. For
+ example, multiple memory controller PMUs may exist typically with a
+ suffix of _0, _1, etc. By default the event counts will all be
+ combined if the PMU is specified without the suffix such as
+ uncore_imc rather than uncore_imc_0.
+
+3. Aliases, which are listed immediately after the Kernel PMU events
+ by perf list, are used.
+
+--hybrid-merge::
+Merge core event counts from all core PMUs. In hybrid or big.LITTLE
+systems by default each core PMU will report its count
+separately. This option forces core PMU counts to be combined to give
+a behavior closer to having a single CPU type in the system.
--topdown::
-Print top down level 1 metrics if supported by the CPU. This allows to
-determine bottle necks in the CPU pipeline for CPU bound workloads,
-by breaking the cycles consumed down into frontend bound, backend bound,
-bad speculation and retiring.
+Print top-down metrics supported by the CPU. This allows to determine
+bottle necks in the CPU pipeline for CPU bound workloads, by breaking
+the cycles consumed down into frontend bound, backend bound, bad
+speculation and retiring.
Frontend bound means that the CPU cannot fetch and decode instructions fast
enough. Backend bound means that computation or memory access is the bottle
@@ -219,6 +478,11 @@ if the workload is actually bound by the CPU and not by something else.
For best results it is usually a good idea to use it with interval
mode like -I 1000, as the bottleneck of workloads can change often.
+This enables --metric-only, unless overridden with --no-metric-only.
+
+The following restrictions only apply to older Intel CPUs and Atom,
+on newer CPUs (IceLake and later) TopDown can be collected for any thread:
+
The top down metrics are collected per core instead of per
CPU thread. Per core mode is automatically enabled
and -a (global monitoring) is needed, requiring root rights or
@@ -230,32 +494,120 @@ echo 0 > /proc/sys/kernel/nmi_watchdog
for best results. Otherwise the bottlenecks may be inconsistent
on workload with changing phases.
-This enables --metric-only, unless overriden with --no-metric-only.
-
To interpret the results it is usually needed to know on which
CPUs the workload runs on. If needed the CPUs can be forced using
taskset.
---no-merge::
-Do not merge results from same PMUs.
+--record-tpebs::
+Enable automatic sampling on Intel TPEBS retire_latency events (event with :R
+modifier). Without this option, perf would not capture dynamic retire_latency
+at runtime. Currently, a zero value is assigned to the retire_latency event when
+this option is not set. The TPEBS hardware feature starts from Intel Granite
+Rapids microarchitecture. This option only exists in X86_64 and is meaningful on
+Intel platforms with TPEBS feature.
+
+--tpebs-mode=[mean|min|max|last]::
+Set how retirement latency events have their sample times
+combined. The default "mean" gives the average of retirement
+latency. "min" or "max" give the smallest or largest retirment latency
+times respectively. "last" uses the last retirment latency sample's
+time.
+
+--td-level::
+Print the top-down statistics that equal the input level. It allows
+users to print the interested top-down metrics level instead of the
+level 1 top-down metrics.
+
+As the higher levels gather more metrics and use more counters they
+will be less accurate. By convention a metric can be examined by
+appending '_group' to it and this will increase accuracy compared to
+gathering all metrics for a level. For example, level 1 analysis may
+highlight 'tma_frontend_bound'. This metric may be drilled into with
+'tma_frontend_bound_group' with
+'perf stat -M tma_frontend_bound_group...'.
+
+Error out if the input is higher than the supported max level.
+
+--smi-cost::
+Measure SMI cost if msr/aperf/ and msr/smi/ events are supported.
+
+During the measurement, the /sys/device/cpu/freeze_on_smi will be set to
+freeze core counters on SMI.
+The aperf counter will not be effected by the setting.
+The cost of SMI can be measured by (aperf - unhalted core cycles).
+
+In practice, the percentages of SMI cycles is very useful for performance
+oriented analysis. --metric_only will be applied by default.
+The output is SMI cycles%, equals to (aperf - unhalted core cycles) / aperf
+
+Users who wants to get the actual value can apply --no-metric-only.
+
+--all-kernel::
+Configure all used events to run in kernel space.
+
+--all-user::
+Configure all used events to run in user space.
+
+--percore-show-thread::
+The event modifier "percore" has supported to sum up the event counts
+for all hardware threads in a core and show the counts per core.
+
+This option with event modifier "percore" enabled also sums up the event
+counts for all hardware threads in a core but show the sum counts per
+hardware thread. This is essentially a replacement for the any bit and
+convenient for post processing.
+
+--summary::
+Print summary for interval mode (-I).
+
+--no-csv-summary::
+Don't print 'summary' at the first column for CVS summary output.
+This option must be used with -x and --summary.
+
+This option can be enabled in perf config by setting the variable
+'stat.no-csv-summary'.
+
+$ perf config stat.no-csv-summary=true
+
+--cputype::
+Only enable events on applying cpu with this type for hybrid platform
+(e.g. core or atom)"
EXAMPLES
--------
-$ perf stat -- make -j
+$ perf stat \-- make
+
+ Performance counter stats for 'make':
- Performance counter stats for 'make -j':
+ 83723.452481 task-clock:u (msec) # 1.004 CPUs utilized
+ 0 context-switches:u # 0.000 K/sec
+ 0 cpu-migrations:u # 0.000 K/sec
+ 3,228,188 page-faults:u # 0.039 M/sec
+ 229,570,665,834 cycles:u # 2.742 GHz
+ 313,163,853,778 instructions:u # 1.36 insn per cycle
+ 69,704,684,856 branches:u # 832.559 M/sec
+ 2,078,861,393 branch-misses:u # 2.98% of all branches
- 8117.370256 task clock ticks # 11.281 CPU utilization factor
- 678 context switches # 0.000 M/sec
- 133 CPU migrations # 0.000 M/sec
- 235724 pagefaults # 0.029 M/sec
- 24821162526 CPU cycles # 3057.784 M/sec
- 18687303457 instructions # 2302.138 M/sec
- 172158895 cache references # 21.209 M/sec
- 27075259 cache misses # 3.335 M/sec
+ 83.409183620 seconds time elapsed
- Wall-clock time elapsed: 719.554352 msecs
+ 74.684747000 seconds user
+ 8.739217000 seconds sys
+
+TIMINGS
+-------
+As displayed in the example above we can display 3 types of timings.
+We always display the time the counters were enabled/alive:
+
+ 83.409183620 seconds time elapsed
+
+For workload sessions we also display time the workloads spent in
+user/system lands:
+
+ 74.684747000 seconds user
+ 8.739217000 seconds sys
+
+Those times are the very same as displayed by the 'time' tool.
CSV FORMAT
----------
@@ -280,6 +632,31 @@ The fields are in this order:
Additional metrics may be printed with all earlier fields being empty.
+include::intel-hybrid.txt[]
+
+JSON FORMAT
+-----------
+
+With -j, perf stat is able to print out a JSON format output
+that can be used for parsing.
+
+- interval : optional timestamp in fractions of second (with -I)
+- optional aggregate options:
+ - core : core identifier (with --per-core)
+ - die : die identifier (with --per-die)
+ - socket : socket identifier (with --per-socket)
+ - node : node identifier (with --per-node)
+ - thread : thread identifier (with --per-thread)
+- counters : number of aggregated PMU counters
+- counter-value : counter value
+- unit : unit of the counter value or empty
+- event : event name
+- variance : optional variance if multiple values are collected (with -r)
+- event-runtime : run time of the event
+- pcnt-running : percentage of time the event was running
+- metric-value : optional metric value
+- metric-unit : optional unit of metric
+
SEE ALSO
--------
linkperf:perf-top[1], linkperf:perf-list[1]
diff --git a/tools/perf/Documentation/perf-test.txt b/tools/perf/Documentation/perf-test.txt
index b329c65d7f40..32da0d1fa86a 100644
--- a/tools/perf/Documentation/perf-test.txt
+++ b/tools/perf/Documentation/perf-test.txt
@@ -28,9 +28,44 @@ OPTIONS
Tests to skip (comma separated numeric list).
-v::
+-vv::
+-vvv::
--verbose::
- Be more verbose.
+ With a single '-v', verbose level 1, only failing test output
+ is displayed. With '-vv' and higher all test output is shown.
+
+-S::
+--sequential::
+ Run all tests one after the other. By default "exclusive"
+ tests are run sequentially, but other tests are run in
+ parallel to speed execution.
+
+-r::
+--runs-per-test::
+ Run each test the given number of times, by default once. This
+ option can be useful to determine if a test is flaky.
-F::
--dont-fork::
- Do not fork child for each test, run all tests within single process.
+ Do not fork child for each test, run all tests within single process, this
+ sets sequential mode.
+
+--dso::
+ Specify a DSO for the "Symbols" test.
+
+-w::
+--workload=::
+ Run a built-in workload, to list them use '--list-workloads', current ones include:
+ noploop, thloop, leafloop, sqrtloop, brstack, datasym and landlock.
+
+ Used with the shell script regression tests.
+
+ Some accept an extra parameter:
+
+ seconds: leafloop, noploop, sqrtloop, thloop
+ nrloops: brstack
+
+ The datasym and landlock workloads don't accept any.
+
+--list-workloads::
+ List the available workloads to use with -w/--workload.
diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt
index df98d1c82688..ef2281c56743 100644
--- a/tools/perf/Documentation/perf-timechart.txt
+++ b/tools/perf/Documentation/perf-timechart.txt
@@ -50,7 +50,9 @@ TIMECHART OPTIONS
-p::
--process::
Select the processes to display, by name or PID
-
+-f::
+--force::
+ Don't complain, do it.
--symfs=<directory>::
Look for files with symbols relative to this directory.
-n::
@@ -92,6 +94,9 @@ RECORD OPTIONS
-g::
--callchain::
Do call-graph (stack chain/backtrace) recording
+-o::
+--output=::
+ Select the output file (default: perf.data)
EXAMPLES
--------
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index e71d63843f45..af3e4230c72f 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -38,9 +38,14 @@ Default is to monitor all CPUS.
-e <event>::
--event=<event>::
Select the PMU event. Selection can be a symbolic event name
- (use 'perf list' to list all events) or a raw PMU
- event (eventsel+umask) in the form of rNNN where NNN is a
- hexadecimal event descriptor.
+ (use 'perf list' to list all events) or a raw PMU event in the form
+ of rN where N is a hexadecimal value that represents the raw register
+ encoding with the layout of the event control registers as described
+ by entries in /sys/bus/event_source/devices/cpu/format/*.
+
+--filter=<filter>::
+ Event filter. This option should follow an event selector (-e). For
+ syntax see linkperf:perf-record[1].
-E <entries>::
--entries=<entries>::
@@ -50,12 +55,16 @@ Default is to monitor all CPUS.
--count-filter=<count>::
Only display functions with more events than this.
---group::
- Put the counters into a counter group.
+--group-sort-idx::
+ Sort the output by the event at the index n in group. If n is invalid,
+ sort by the first event. It can support multiple groups with different
+ amount of events. WARNING: This should be used on grouped events.
-F <freq>::
--freq=<freq>::
- Profile at this frequency.
+ Profile at this frequency. Use 'max' to use the currently maximum
+ allowed frequency, i.e. the value in the kernel.perf_event_max_sample_rate
+ sysctl.
-i::
--inherit::
@@ -65,11 +74,17 @@ Default is to monitor all CPUS.
--vmlinux=<path>::
Path to vmlinux. Required for annotation functionality.
+--ignore-vmlinux::
+ Ignore vmlinux files.
+
+--kallsyms=<file>::
+ kallsyms pathname
+
-m <pages>::
--mmap-pages=<pages>::
Number of mmap data pages (must be a power of two) or size
- specification with appended unit character - B/K/M/G. The
- size is rounded up to have nearest pages power of two value.
+ specification in bytes with appended unit character - B/K/M/G.
+ The size is rounded up to the nearest power-of-two page value.
-p <pid>::
--pid=<pid>::
@@ -150,6 +165,18 @@ Default is to monitor all CPUS.
-M::
--disassembler-style=:: Set disassembler style for objdump.
+--addr2line=<path>::
+ Path to addr2line binary.
+
+--objdump=<path>::
+ Path to objdump binary.
+
+--prefix=PREFIX::
+--prefix-strip=N::
+ Remove first N entries from source file path names in executables
+ and add PREFIX. This allows to display source code compiled on systems
+ with different file system layout.
+
--source::
Interleave source code with assembly code. Enabled by default,
disable with --no-source.
@@ -231,11 +258,141 @@ Default is to monitor all CPUS.
The various filters must be specified as a comma separated list: --branch-filter any_ret,u,k
Note that this feature may not be available on all processors.
+--branch-history::
+ Add the addresses of sampled taken branches to the callstack.
+ This allows to examine the path the program took to each sample.
+
--raw-trace::
When displaying traceevent output, do not use print fmt or plugins.
+-H::
--hierarchy::
- Enable hierarchy output.
+ Enable hierarchical output. In the hierarchy mode, each sort key groups
+ samples based on the criteria and then sub-divide it using the lower
+ level sort key.
+
+ For example, in normal output:
+
+ perf report -s dso,sym
+ #
+ # Overhead Shared Object Symbol
+ # ........ ................. ...........
+ 50.00% [kernel.kallsyms] [k] kfunc1
+ 20.00% perf [.] foo
+ 15.00% [kernel.kallsyms] [k] kfunc2
+ 10.00% perf [.] bar
+ 5.00% libc.so [.] libcall
+
+ In hierarchy output:
+
+ perf report -s dso,sym --hierarchy
+ #
+ # Overhead Shared Object / Symbol
+ # .......... ......................
+ 65.00% [kernel.kallsyms]
+ 50.00% [k] kfunc1
+ 15.00% [k] kfunc2
+ 30.00% perf
+ 20.00% [.] foo
+ 10.00% [.] bar
+ 5.00% libc.so
+ 5.00% [.] libcall
+
+--overwrite::
+ Enable this to use just the most recent records, which helps in high core count
+ machines such as Knights Landing/Mill, but right now is disabled by default as
+ the pausing used in this technique is leading to loss of metadata events such
+ as PERF_RECORD_MMAP which makes 'perf top' unable to resolve samples, leading
+ to lots of unknown samples appearing on the UI. Enable this if you are in such
+ machines and profiling a workload that doesn't creates short lived threads and/or
+ doesn't uses many executable mmap operations. Work is being planed to solve
+ this situation, till then, this will remain disabled by default.
+
+--force::
+ Don't do ownership validation.
+
+--num-thread-synthesize::
+ The number of threads to run when synthesizing events for existing processes.
+ By default, the number of threads equals to the number of online CPUs.
+
+--namespaces::
+ Record events of type PERF_RECORD_NAMESPACES and display it with the
+ 'cgroup_id' sort key.
+
+-G name::
+--cgroup name::
+monitor only in the container (cgroup) called "name". This option is available only
+in per-cpu mode. The cgroup filesystem must be mounted. All threads belonging to
+container "name" are monitored when they run on the monitored CPUs. Multiple cgroups
+can be provided. Each cgroup is applied to the corresponding event, i.e., first cgroup
+to first event, second cgroup to second event and so on. It is possible to provide
+an empty cgroup (monitor all the time) using, e.g., -G foo,,bar. Cgroups must have
+corresponding events, i.e., they always refer to events defined earlier on the command
+line. If the user wants to track multiple events for a specific cgroup, the user can
+use '-e e1 -e e2 -G foo,foo' or just use '-e e1 -e e2 -G foo'.
+
+--all-cgroups::
+ Record events of type PERF_RECORD_CGROUP and display it with the
+ 'cgroup' sort key.
+
+--switch-on EVENT_NAME::
+ Only consider events after this event is found.
+
+ E.g.:
+
+ Find out where broadcast packets are handled
+
+ perf probe -L icmp_rcv
+
+ Insert a probe there:
+
+ perf probe icmp_rcv:59
+
+ Start perf top and ask it to only consider the cycles events when a
+ broadcast packet arrives This will show a menu with two entries and
+ will start counting when a broadcast packet arrives:
+
+ perf top -e cycles,probe:icmp_rcv --switch-on=probe:icmp_rcv
+
+ Alternatively one can ask for a group and then two overhead columns
+ will appear, the first for cycles and the second for the switch-on event.
+
+ perf top -e '{cycles,probe:icmp_rcv}' --switch-on=probe:icmp_rcv
+
+ This may be interesting to measure a workload only after some initialization
+ phase is over, i.e. insert a perf probe at that point and use the above
+ examples replacing probe:icmp_rcv with the just-after-init probe.
+
+--switch-off EVENT_NAME::
+ Stop considering events after this event is found.
+
+--show-on-off-events::
+ Show the --switch-on/off events too. This has no effect in 'perf top' now
+ but probably we'll make the default not to show the switch-on/off events
+ on the --group mode and if there is only one event besides the off/on ones,
+ go straight to the histogram browser, just like 'perf top' with no events
+ explicitly specified does.
+
+--stitch-lbr::
+ Show callgraph with stitched LBRs, which may have more complete
+ callgraph. The option must be used with --call-graph lbr recording.
+ Disabled by default. In common cases with call stack overflows,
+ it can recreate better call stacks than the default lbr call stack
+ output. But this approach is not foolproof. There can be cases
+ where it creates incorrect call stacks from incorrect matches.
+ The known limitations include exception handing such as
+ setjmp/longjmp will have calls/returns not match.
+
+ifdef::HAVE_LIBPFM[]
+--pfm-events events::
+Select a PMU event using libpfm4 syntax (see http://perfmon2.sf.net)
+including support for event filters. For example '--pfm-events
+inst_retired:any_p:u:c=1:i'. More than one event can be passed to the
+option using the comma separator. Hardware events and generic hardware
+events cannot be mixed together. The latter must be used with the -e
+option. The -e option and this one can be mixed and matched. Events
+can be grouped using the {} notation.
+endif::HAVE_LIBPFM[]
INTERACTIVE PROMPTING KEYS
--------------------------
@@ -261,6 +418,12 @@ INTERACTIVE PROMPTING KEYS
[S]::
Stop annotation, return to full profile display.
+[K]::
+ Hide kernel symbols.
+
+[U]::
+ Hide user symbols.
+
[z]::
Toggle event count zeroing across display updates.
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt
index afd728672b6f..892c82a9bf40 100644
--- a/tools/perf/Documentation/perf-trace.txt
+++ b/tools/perf/Documentation/perf-trace.txt
@@ -37,11 +37,16 @@ OPTIONS
--expr::
--event::
List of syscalls and other perf events (tracepoints, HW cache events,
- etc) to show.
+ etc) to show. Globbing is supported, e.g.: "epoll_*", "*msg*", etc.
See 'perf list' for a complete list of events.
Prefixing with ! shows all syscalls but the ones specified. You may
need to escape it.
+--filter=<filter>::
+ Event filter. This option should follow an event selector (-e) which
+ selects tracepoint event(s).
+
+
-D msecs::
--delay msecs::
After starting the program, wait msecs before measuring. This is useful to
@@ -63,12 +68,37 @@ filter out the startup phase of the program, which is often very different.
--uid=::
Record events in threads owned by uid. Name or number.
+-G::
+--cgroup::
+ Record events in threads in a cgroup.
+
+ Look for cgroups to set at the /sys/fs/cgroup/perf_event directory, then
+ remove the /sys/fs/cgroup/perf_event/ part and try:
+
+ perf trace -G A -e sched:*switch
+
+ Will set all raw_syscalls:sys_{enter,exit}, pgfault, vfs_getname, etc
+ _and_ sched:sched_switch to the 'A' cgroup, while:
+
+ perf trace -e sched:*switch -G A
+
+ will only set the sched:sched_switch event to the 'A' cgroup, all the
+ other events (raw_syscalls:sys_{enter,exit}, etc are left "without"
+ a cgroup (on the root cgroup, sys wide, etc).
+
+ Multiple cgroups:
+
+ perf trace -G A -e sched:*switch -G B
+
+ the syscall ones go to the 'A' cgroup, the sched:sched_switch goes
+ to the 'B' cgroup.
+
--filter-pids=::
Filter out events for these pids and for 'trace' itself (comma separated list).
-v::
---verbose=::
- Verbosity level.
+--verbose::
+ Increase the verbosity level.
--no-inherit::
Child tasks do not inherit counters.
@@ -76,8 +106,8 @@ filter out the startup phase of the program, which is often very different.
-m::
--mmap-pages=::
Number of mmap data pages (must be a power of two) or size
- specification with appended unit character - B/K/M/G. The
- size is rounded up to have nearest pages power of two value.
+ specification in bytes with appended unit character - B/K/M/G.
+ The size is rounded up to the nearest power-of-two page value.
-C::
--cpu::
@@ -86,18 +116,21 @@ comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-
In per-thread mode with inheritance mode on (default), Events are captured only when
the thread executes on the designated CPUs. Default is to monitor all CPUs.
---duration:
+--duration::
Show only events that had a duration greater than N.M ms.
---sched:
+--sched::
Accrue thread runtime and provide a summary at the end of the session.
--i
---input
+--failure::
+ Show only syscalls that failed, i.e. that returned < 0.
+
+-i::
+--input::
Process events from a given perf data file.
--T
---time
+-T::
+--time::
Print full timestamp rather time relative to first sample.
--comm::
@@ -113,17 +146,31 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs.
Show all syscalls followed by a summary by thread with min, max, and
average times (in msec) and relative stddev.
+--errno-summary::
+ To be used with -s or -S, to show stats for the errnos experienced by
+ syscalls, using only this option will trigger --summary.
+
+--summary-mode=mode::
+ To be used with -s or -S, to select how to show summary. By default it'll
+ show the syscall summary by thread. Possible values are: thread, total,
+ cgroup.
+
--tool_stats::
Show tool stats such as number of times fd->pathname was discovered thru
hooking the open syscall return + vfs_getname or via reading /proc/pid/fd, etc.
+-f::
+--force::
+ Don't complain, do it.
+
-F=[all|min|maj]::
--pf=[all|min|maj]::
Trace pagefaults. Optionally, you can specify whether you want minor,
major or all pagefaults. Default value is maj.
--syscalls::
- Trace system calls. This options is enabled by default.
+ Trace system calls. This options is enabled by default, disable with
+ --no-syscalls.
--call-graph [mode,type,min[,limit],order[,key][,branch]]::
Setup and enable call-graph (stack chain/backtrace) recording.
@@ -138,6 +185,20 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs.
--kernel-syscall-graph::
Show the kernel callchains on the syscall exit path.
+--max-events=N::
+ Stop after processing N events. Note that strace-like events are considered
+ only at exit time or when a syscall is interrupted, i.e. in those cases this
+ option is equivalent to the number of lines printed.
+
+--switch-on EVENT_NAME::
+ Only consider events after this event is found.
+
+--switch-off EVENT_NAME::
+ Stop considering events after this event is found.
+
+--show-on-off-events::
+ Show the --switch-on/off events too.
+
--max-stack::
Set the stack depth limit when parsing the callchain, anything
beyond the specified depth will be ignored. Note that at this point
@@ -158,11 +219,41 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs.
Implies '--call-graph dwarf' when --call-graph not present on the
command line, on systems where DWARF unwinding was built in.
+--print-sample::
+ Print the PERF_RECORD_SAMPLE PERF_SAMPLE_ info for the
+ raw_syscalls:sys_{enter,exit} tracepoints, for debugging.
+
--proc-map-timeout::
When processing pre-existing threads /proc/XXX/mmap, it may take a long time,
because the file may be huge. A time out is needed in such cases.
This option sets the time out limit. The default value is 500 ms.
+--sort-events::
+ Do sorting on batches of events, use when noticing out of order events that
+ may happen, for instance, when a thread gets migrated to a different CPU
+ while processing a syscall.
+
+--libtraceevent_print::
+ Use libtraceevent to print tracepoint arguments. By default 'perf trace' uses
+ the same beautifiers used in the strace-like enter+exit lines to augment the
+ tracepoint arguments.
+
+--force-btf::
+ Use btf_dump to pretty print syscall argument data, instead of using hand-crafted pretty
+ printers. This option is intended for testing BTF integration in perf trace. btf_dump-based
+ pretty-printing serves as a fallback to hand-crafted pretty printers, as the latter can
+ better pretty-print integer flags and struct pointers.
+
+--bpf-summary::
+ Collect system call statistics in BPF. This is only for live mode and
+ works well with -s/--summary option where no argument information is
+ required.
+
+--max-summary=N::
+ Maximum number of lines in the summary mode. Note that this applies to
+ each entry (thread or cgroup).
+
+
PAGEFAULTS
----------
@@ -201,6 +292,68 @@ Trace syscalls, major and minor pagefaults:
As you can see, there was major pagefault in python process, from
CRYPTO_push_info_ routine which faulted somewhere in libcrypto.so.
+Trace the first 4 open, openat or open_by_handle_at syscalls (in the future more syscalls may match here):
+
+ $ perf trace -e open* --max-events 4
+ [root@jouet perf]# trace -e open* --max-events 4
+ 2272.992 ( 0.037 ms): gnome-shell/1370 openat(dfd: CWD, filename: /proc/self/stat) = 31
+ 2277.481 ( 0.139 ms): gnome-shell/3039 openat(dfd: CWD, filename: /proc/self/stat) = 65
+ 3026.398 ( 0.076 ms): gnome-shell/3039 openat(dfd: CWD, filename: /proc/self/stat) = 65
+ 4294.665 ( 0.015 ms): sed/15879 openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC) = 3
+ $
+
+Trace the first minor page fault when running a workload:
+
+ # perf trace -F min --max-stack=7 --max-events 1 sleep 1
+ 0.000 ( 0.000 ms): sleep/18006 minfault [__clear_user+0x1a] => 0x5626efa56080 (?k)
+ __clear_user ([kernel.kallsyms])
+ load_elf_binary ([kernel.kallsyms])
+ search_binary_handler ([kernel.kallsyms])
+ __do_execve_file.isra.33 ([kernel.kallsyms])
+ __x64_sys_execve ([kernel.kallsyms])
+ do_syscall_64 ([kernel.kallsyms])
+ entry_SYSCALL_64 ([kernel.kallsyms])
+ #
+
+Trace the next min page page fault to take place on the first CPU:
+
+ # perf trace -F min --call-graph=dwarf --max-events 1 --cpu 0
+ 0.000 ( 0.000 ms): Web Content/17136 minfault [js::gc::Chunk::fetchNextDecommittedArena+0x4b] => 0x7fbe6181b000 (?.)
+ js::gc::FreeSpan::initAsEmpty (inlined)
+ js::gc::Arena::setAsNotAllocated (inlined)
+ js::gc::Chunk::fetchNextDecommittedArena (/usr/lib64/firefox/libxul.so)
+ js::gc::Chunk::allocateArena (/usr/lib64/firefox/libxul.so)
+ js::gc::GCRuntime::allocateArena (/usr/lib64/firefox/libxul.so)
+ js::gc::ArenaLists::allocateFromArena (/usr/lib64/firefox/libxul.so)
+ js::gc::GCRuntime::tryNewTenuredThing<JSString, (js::AllowGC)1> (inlined)
+ js::AllocateString<JSString, (js::AllowGC)1> (/usr/lib64/firefox/libxul.so)
+ js::Allocate<JSThinInlineString, (js::AllowGC)1> (inlined)
+ JSThinInlineString::new_<(js::AllowGC)1> (inlined)
+ AllocateInlineString<(js::AllowGC)1, unsigned char> (inlined)
+ js::ConcatStrings<(js::AllowGC)1> (/usr/lib64/firefox/libxul.so)
+ [0x18b26e6bc2bd] (/tmp/perf-17136.map)
+ #
+
+Trace the next two sched:sched_switch events, four block:*_plug events, the
+next block:*_unplug and the next three net:*dev_queue events, this last one
+with a backtrace of at most 16 entries, system wide:
+
+ # perf trace -e sched:*switch/nr=2/,block:*_plug/nr=4/,block:*_unplug/nr=1/,net:*dev_queue/nr=3,max-stack=16/
+ 0.000 :0/0 sched:sched_switch:swapper/2:0 [120] S ==> rcu_sched:10 [120]
+ 0.015 rcu_sched/10 sched:sched_switch:rcu_sched:10 [120] R ==> swapper/2:0 [120]
+ 254.198 irq/50-iwlwifi/680 net:net_dev_queue:dev=wlp3s0 skbaddr=0xffff93498051f600 len=66
+ __dev_queue_xmit ([kernel.kallsyms])
+ 273.977 :0/0 net:net_dev_queue:dev=wlp3s0 skbaddr=0xffff93498051f600 len=78
+ __dev_queue_xmit ([kernel.kallsyms])
+ 274.007 :0/0 net:net_dev_queue:dev=wlp3s0 skbaddr=0xffff93498051ff00 len=78
+ __dev_queue_xmit ([kernel.kallsyms])
+ 2930.140 kworker/u16:58/2722 block:block_plug:[kworker/u16:58]
+ 2930.162 kworker/u16:58/2722 block:block_unplug:[kworker/u16:58] 1
+ 4466.094 jbd2/dm-2-8/748 block:block_plug:[jbd2/dm-2-8]
+ 8050.123 kworker/u16:30/2694 block:block_plug:[kworker/u16:30]
+ 8050.271 kworker/u16:30/2694 block:block_plug:[kworker/u16:30]
+ #
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-script[1]
diff --git a/tools/perf/Documentation/perf-version.txt b/tools/perf/Documentation/perf-version.txt
new file mode 100644
index 000000000000..e207b7cfca26
--- /dev/null
+++ b/tools/perf/Documentation/perf-version.txt
@@ -0,0 +1,24 @@
+perf-version(1)
+===============
+
+NAME
+----
+perf-version - display the version of perf binary
+
+SYNOPSIS
+--------
+'perf version' [--build-options]
+
+DESCRIPTION
+-----------
+With no options given, the 'perf version' prints the perf version
+on the standard output.
+
+If the option '--build-options' is given, then the status of
+compiled-in libraries are printed on the standard output.
+
+OPTIONS
+-------
+--build-options::
+ Prints the status of compiled-in libraries on the
+ standard output.
diff --git a/tools/perf/Documentation/perf.data-directory-format.txt b/tools/perf/Documentation/perf.data-directory-format.txt
new file mode 100644
index 000000000000..f37fbd29112e
--- /dev/null
+++ b/tools/perf/Documentation/perf.data-directory-format.txt
@@ -0,0 +1,63 @@
+perf.data directory format
+
+DISCLAIMER This is not ABI yet and is subject to possible change
+ in following versions of perf. We will remove this
+ disclaimer once the directory format soaks in.
+
+
+This document describes the on-disk perf.data directory format.
+
+The layout is described by HEADER_DIR_FORMAT feature.
+Currently it holds only version number (0):
+
+ HEADER_DIR_FORMAT = 24
+
+ struct {
+ uint64_t version;
+ }
+
+The current only version value 0 means that:
+ - there is a single perf.data file named 'data' within the directory.
+ e.g.
+
+ $ tree -ps perf.data
+ perf.data
+ └── [-rw------- 25912] data
+
+Future versions are expected to describe different data files
+layout according to special needs.
+
+Currently the only 'perf record' option to output to a directory is
+the --kcore option which puts a copy of /proc/kcore into the directory.
+e.g.
+
+ $ sudo perf record --kcore uname
+ Linux
+ [ perf record: Woken up 1 times to write data ]
+ [ perf record: Captured and wrote 0.015 MB perf.data (9 samples) ]
+ $ sudo tree -ps perf.data
+ perf.data
+ ├── [-rw------- 23744] data
+ └── [drwx------ 4096] kcore_dir
+ ├── [-r-------- 6731125] kallsyms
+ ├── [-r-------- 40230912] kcore
+ └── [-r-------- 5419] modules
+
+ 1 directory, 4 files
+ $ sudo perf script -v
+ build id event received for vmlinux: 1eaa285996affce2d74d8e66dcea09a80c9941de
+ build id event received for [vdso]: 8bbaf5dc62a9b644b4d4e4539737e104e4a84541
+ build id event received for /lib/x86_64-linux-gnu/libc-2.28.so: 5b157f49586a3ca84d55837f97ff466767dd3445
+ Samples for 'cycles' event do not have CPU attribute set. Skipping 'cpu' field.
+ Using CPUID GenuineIntel-6-8E-A
+ Using perf.data/kcore_dir/kcore for kernel data
+ Using perf.data/kcore_dir/kallsyms for symbols
+ perf 15316 2060795.480902: 1 cycles: ffffffffa2caa548 native_write_msr+0x8 (vmlinux)
+ perf 15316 2060795.480906: 1 cycles: ffffffffa2caa548 native_write_msr+0x8 (vmlinux)
+ perf 15316 2060795.480908: 7 cycles: ffffffffa2caa548 native_write_msr+0x8 (vmlinux)
+ perf 15316 2060795.480910: 119 cycles: ffffffffa2caa54a native_write_msr+0xa (vmlinux)
+ perf 15316 2060795.480912: 2109 cycles: ffffffffa2c9b7b0 native_apic_msr_write+0x0 (vmlinux)
+ perf 15316 2060795.480914: 37606 cycles: ffffffffa2f121fe perf_event_addr_filters_exec+0x2e (vmlinux)
+ uname 15316 2060795.480924: 588287 cycles: ffffffffa303a56d page_counter_try_charge+0x6d (vmlinux)
+ uname 15316 2060795.481067: 2261945 cycles: ffffffffa301438f kmem_cache_free+0x4f (vmlinux)
+ uname 15316 2060795.481643: 2172167 cycles: 7f1a48c393c0 _IO_un_link+0x0 (/lib/x86_64-linux-gnu/libc-2.28.so)
diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt
index b664b18d3991..c9d4dec65344 100644
--- a/tools/perf/Documentation/perf.data-file-format.txt
+++ b/tools/perf/Documentation/perf.data-file-format.txt
@@ -11,8 +11,8 @@ All fields are in native-endian of the machine that generated the perf.data.
When perf is writing to a pipe it uses a special version of the file
format that does not rely on seeking to adjust data offsets. This
-format is not described here. The pipe version can be converted to
-normal perf.data with perf inject.
+format is described in "Pipe-mode data" section. The pipe data version can be
+augmented with additional events using perf inject.
The file starts with a perf_header:
@@ -43,11 +43,10 @@ struct perf_file_section {
Flags section:
-The header is followed by different optional headers, described by the bits set
-in flags. Only headers for which the bit is set are included. Each header
-consists of a perf_file_section located after the initial header.
-The respective perf_file_section points to the data of the additional
-header and defines its size.
+For each of the optional features a perf_file_section is placed after the data
+section if the feature bit is set in the perf_header flags bitset. The
+respective perf_file_section points to the data of the additional header and
+defines its size.
Some headers consist of strings, which are defined like this:
@@ -111,8 +110,8 @@ A perf_header_string with the CPU architecture (uname -m)
A structure defining the number of CPUs.
struct nr_cpus {
- uint32_t nr_cpus_online;
uint32_t nr_cpus_available; /* CPUs not yet onlined */
+ uint32_t nr_cpus_online;
};
HEADER_CPUDESC = 8,
@@ -127,11 +126,11 @@ vendor,family,model,stepping. For example: GenuineIntel,6,69,1
HEADER_TOTAL_MEM = 10,
-An uint64_t with the total memory in bytes.
+An uint64_t with the total memory in kilobytes.
HEADER_CMDLINE = 11,
-A perf_header_string with the perf command line used to collect the data.
+A perf_header_string_list with the perf arg-vector used to collect the data.
HEADER_EVENT_DESC = 12,
@@ -152,17 +151,45 @@ struct {
HEADER_CPU_TOPOLOGY = 13,
-String lists defining the core and CPU threads topology.
-
struct {
+ /*
+ * First revision of HEADER_CPU_TOPOLOGY
+ *
+ * See 'struct perf_header_string_list' definition earlier
+ * in this file.
+ */
+
struct perf_header_string_list cores; /* Variable length */
struct perf_header_string_list threads; /* Variable length */
+
+ /*
+ * Second revision of HEADER_CPU_TOPOLOGY, older tools
+ * will not consider what comes next
+ */
+
+ struct {
+ uint32_t core_id;
+ uint32_t socket_id;
+ } cpus[nr]; /* Variable length records */
+ /* 'nr' comes from previously processed HEADER_NRCPUS's nr_cpu_avail */
+
+ /*
+ * Third revision of HEADER_CPU_TOPOLOGY, older tools
+ * will not consider what comes next
+ */
+
+ struct perf_header_string_list dies; /* Variable length */
+ uint32_t die_id[nr_cpus_avail]; /* from previously processed HEADER_NR_CPUS, VLA */
};
Example:
- sibling cores : 0-3
+ sibling sockets : 0-8
+ sibling dies : 0-3
+ sibling dies : 4-7
sibling threads : 0-1
sibling threads : 2-3
+ sibling threads : 4-5
+ sibling threads : 6-7
HEADER_NUMA_TOPOLOGY = 14,
@@ -238,6 +265,188 @@ struct auxtrace_index {
struct auxtrace_index_entry entries[PERF_AUXTRACE_INDEX_ENTRY_COUNT];
};
+ HEADER_STAT = 19,
+
+This is merely a flag signifying that the data section contains data
+recorded from perf stat record.
+
+ HEADER_CACHE = 20,
+
+Description of the cache hierarchy. Based on the Linux sysfs format
+in /sys/devices/system/cpu/cpu*/cache/
+
+ u32 version Currently always 1
+ u32 number_of_cache_levels
+
+struct {
+ u32 level;
+ u32 line_size;
+ u32 sets;
+ u32 ways;
+ struct perf_header_string type;
+ struct perf_header_string size;
+ struct perf_header_string map;
+}[number_of_cache_levels];
+
+ HEADER_SAMPLE_TIME = 21,
+
+Two uint64_t for the time of first sample and the time of last sample.
+
+ HEADER_SAMPLE_TOPOLOGY = 22,
+
+Physical memory map and its node assignments.
+
+The format of data in MEM_TOPOLOGY is as follows:
+
+ u64 version; // Currently 1
+ u64 block_size_bytes; // /sys/devices/system/memory/block_size_bytes
+ u64 count; // number of nodes
+
+struct memory_node {
+ u64 node_id; // node index
+ u64 size; // size of bitmap
+ struct bitmap {
+ /* size of bitmap again */
+ u64 bitmapsize;
+ /* bitmap of memory indexes that belongs to node */
+ /* /sys/devices/system/node/node<NODE>/memory<INDEX> */
+ u64 entries[(bitmapsize/64)+1];
+ }
+}[count];
+
+The MEM_TOPOLOGY can be displayed with following command:
+
+$ perf report --header-only -I
+...
+# memory nodes (nr 1, block size 0x8000000):
+# 0 [7G]: 0-23,32-69
+
+ HEADER_CLOCKID = 23,
+
+One uint64_t for the clockid frequency, specified, for instance, via 'perf
+record -k' (see clock_gettime()), to enable timestamps derived metrics
+conversion into wall clock time on the reporting stage.
+
+ HEADER_DIR_FORMAT = 24,
+
+The data files layout is described by HEADER_DIR_FORMAT feature. Currently it
+holds only version number (1):
+
+ uint64_t version;
+
+The current version holds only version value (1) means that data files:
+
+- Follow the 'data.*' name format.
+
+- Contain raw events data in standard perf format as read from kernel (and need
+ to be sorted)
+
+Future versions are expected to describe different data files layout according
+to special needs.
+
+ HEADER_BPF_PROG_INFO = 25,
+
+struct perf_bpil, which contains detailed information about
+a BPF program, including type, id, tag, jited/xlated instructions, etc.
+The format of data in HEADER_BPF_PROG_INFO is as follows:
+ u32 count
+
+ struct perf_bpil {
+ u32 info_len; /* size of struct bpf_prog_info, when the tool is compiled */
+ u32 data_len; /* total bytes allocated for data, round up to 8 bytes */
+ u64 arrays; /* which arrays are included in data */
+ struct bpf_prog_info info;
+ u8 data[];
+ }[count];
+
+ HEADER_BPF_BTF = 26,
+
+Contains BPF Type Format (BTF). For more information about BTF, please
+refer to Documentation/bpf/btf.rst.
+
+struct {
+ u32 id;
+ u32 data_size;
+ char data[];
+};
+
+ HEADER_COMPRESSED = 27,
+
+struct {
+ u32 version;
+ u32 type;
+ u32 level;
+ u32 ratio;
+ u32 mmap_len;
+};
+
+Indicates that trace contains records of PERF_RECORD_COMPRESSED2 type
+that have perf_events records in compressed form.
+
+ HEADER_CPU_PMU_CAPS = 28,
+
+ A list of cpu PMU capabilities. The format of data is as below.
+
+struct {
+ u32 nr_cpu_pmu_caps;
+ {
+ char name[];
+ char value[];
+ } [nr_cpu_pmu_caps]
+};
+
+
+Example:
+ cpu pmu capabilities: branches=32, max_precise=3, pmu_name=icelake
+
+ HEADER_CLOCK_DATA = 29,
+
+ Contains clock id and its reference time together with wall clock
+ time taken at the 'same time', both values are in nanoseconds.
+ The format of data is as below.
+
+struct {
+ u32 version; /* version = 1 */
+ u32 clockid;
+ u64 wall_clock_ns;
+ u64 clockid_time_ns;
+};
+
+ HEADER_HYBRID_TOPOLOGY = 30,
+
+Indicate the hybrid CPUs. The format of data is as below.
+
+struct {
+ u32 nr;
+ struct {
+ char pmu_name[];
+ char cpus[];
+ } [nr]; /* Variable length records */
+};
+
+Example:
+ hybrid cpu system:
+ cpu_core cpu list : 0-15
+ cpu_atom cpu list : 16-23
+
+ HEADER_PMU_CAPS = 31,
+
+ List of pmu capabilities (except cpu pmu which is already
+ covered by HEADER_CPU_PMU_CAPS). Note that hybrid cpu pmu
+ capabilities are also stored here.
+
+struct {
+ u32 nr_pmu;
+ struct {
+ u32 nr_caps;
+ {
+ char name[];
+ char value[];
+ } [nr_caps];
+ char pmu_name[];
+ } [nr_pmu];
+};
+
other bits are reserved and should ignored for now
HEADER_FEAT_BITS = 256,
@@ -270,7 +479,7 @@ When the event stream contains multiple events each event is identified
by an ID. This can be either through the PERF_SAMPLE_ID or the
PERF_SAMPLE_IDENTIFIER header. The PERF_SAMPLE_IDENTIFIER header is
at a fixed offset from the event header, which allows reliable
-parsing of the header. Relying on ID may be ambigious.
+parsing of the header. Relying on ID may be ambiguous.
IDENTIFIER is only supported by newer Linux kernels.
Perf record specific events:
@@ -288,7 +497,7 @@ struct attr_event {
uint64_t id[];
};
- PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */
+ PERF_RECORD_HEADER_EVENT_TYPE = 65, /* deprecated */
#define MAX_EVENT_NAME 64
@@ -398,6 +607,46 @@ struct auxtrace_error_event {
char msg[MAX_AUXTRACE_ERROR_MSG];
};
+ PERF_RECORD_HEADER_FEATURE = 80,
+
+Describes a header feature. These are records used in pipe-mode that
+contain information that otherwise would be in perf.data file's header.
+
+ PERF_RECORD_COMPRESSED = 81, /* deprecated */
+
+The header is followed by compressed data frame that can be decompressed
+into array of perf trace records. The size of the entire compressed event
+record including the header is limited by the max value of header.size.
+
+It is deprecated and new files should use PERF_RECORD_COMPRESSED2 to gurantee
+8-byte alignment.
+
+struct compressed_event {
+ struct perf_event_header header;
+ char data[];
+};
+
+ PERF_RECORD_FINISHED_INIT = 82,
+
+Marks the end of records for the system, pre-existing threads in system wide
+sessions, etc. Those are the ones prefixed PERF_RECORD_USER_*.
+
+This is used, for instance, to 'perf inject' events after init and before
+regular events, those emitted by the kernel, to support combining guest and
+host records.
+
+ PERF_RECORD_COMPRESSED2 = 83,
+
+8-byte aligned version of `PERF_RECORD_COMPRESSED`. `header.size` indicates the
+total record size, including padding for 8-byte alignment, and `data_size`
+specifies the actual size of the compressed data.
+
+struct perf_record_compressed2 {
+ struct perf_event_header header;
+ __u64 data_size;
+ char data[];
+};
+
Event types
Define the event attributes with their IDs.
@@ -411,6 +660,22 @@ An array bound by the perf_file_section size.
ids points to a array of uint64_t defining the ids for event attr attr.
+Pipe-mode data
+
+Pipe-mode avoid seeks in the file by removing the perf_file_section and flags
+from the struct perf_header. The trimmed header is:
+
+struct perf_pipe_file_header {
+ u64 magic;
+ u64 size;
+};
+
+The information about attrs, data, and event_types is instead in the
+synthesized events PERF_RECORD_ATTR, PERF_RECORD_HEADER_TRACING_DATA,
+PERF_RECORD_HEADER_EVENT_TYPE, and PERF_RECORD_HEADER_FEATURE
+that are generated by perf record in pipe-mode.
+
+
References:
include/uapi/linux/perf_event.h
@@ -437,10 +702,5 @@ in pmu-tools parser. This allows to read perf.data from python and dump it.
quipper
The quipper C++ parser is available at
-https://chromium.googlesource.com/chromiumos/platform2
-
-It is under the chromiumos-wide-profiling/ subdirectory. This library can
-convert a perf data file to a protobuf and vice versa.
+http://github.com/google/perf_data_converter/tree/master/src/quipper
-Unfortunately this parser tends to be many versions behind and may not be able
-to parse data files generated by recent perf.
diff --git a/tools/perf/Documentation/perf.txt b/tools/perf/Documentation/perf.txt
index 864e37597252..cbcc2e4d557e 100644
--- a/tools/perf/Documentation/perf.txt
+++ b/tools/perf/Documentation/perf.txt
@@ -12,28 +12,62 @@ SYNOPSIS
OPTIONS
-------
---debug::
- Setup debug variable (see list below) in value
- range (0, 10). Use like:
- --debug verbose # sets verbose = 1
- --debug verbose=2 # sets verbose = 2
+-h::
+--help::
+ Run perf help command.
+
+-v::
+--version::
+ Display perf version.
+
+-vv::
+ Print the compiled-in status of libraries.
+
+--exec-path::
+ Display or set exec path.
+
+--html-path::
+ Display html documentation path.
+
+-p::
+--paginate::
+ Set up pager.
- List of debug variables allowed to set:
- verbose - general debug messages
- ordered-events - ordered events object debug messages
- data-convert - data convert command debug messages
+--no-pager::
+ Do not set pager.
--buildid-dir::
- Setup buildid cache directory. It has higher priority than
- buildid.dir config file option.
+ Setup buildid cache directory. It has higher priority
+ than buildid.dir config file option.
--v::
---version::
- Display perf version.
+--list-cmds::
+ List the most commonly used perf commands.
--h::
---help::
- Run perf help command.
+--list-opts::
+ List available perf options.
+
+--debugfs-dir::
+ Set debugfs directory or set environment variable PERF_DEBUGFS_DIR.
+
+--debug::
+ Setup debug variable (see list below) in value
+ range (0, 10). Use like:
+ --debug verbose # sets verbose = 1
+ --debug verbose=2 # sets verbose = 2
+
+ List of debug variables allowed to set:
+ verbose - general debug messages
+ ordered-events - ordered events object debug messages
+ data-convert - data convert command debug messages
+ stderr - write debug output (option -v) to stderr
+ in browser mode
+ perf-event-open - Print perf_event_open() arguments and
+ return value
+ kmaps - Print kernel and module maps (perf script
+ and perf report without browser)
+
+--debug-file::
+ Write debug output to a specified file.
DESCRIPTION
-----------
@@ -47,3 +81,16 @@ SEE ALSO
linkperf:perf-stat[1], linkperf:perf-top[1],
linkperf:perf-record[1], linkperf:perf-report[1],
linkperf:perf-list[1]
+
+linkperf:perf-amd-ibs[1], linkperf:perf-annotate[1],
+linkperf:perf-archive[1], linkperf:perf-arm-spe[1],
+linkperf:perf-bench[1], linkperf:perf-buildid-cache[1],
+linkperf:perf-buildid-list[1], linkperf:perf-c2c[1],
+linkperf:perf-config[1], linkperf:perf-data[1], linkperf:perf-diff[1],
+linkperf:perf-evlist[1], linkperf:perf-ftrace[1],
+linkperf:perf-help[1], linkperf:perf-inject[1],
+linkperf:perf-intel-pt[1], linkperf:perf-iostat[1], linkperf:perf-kallsyms[1],
+linkperf:perf-kmem[1], linkperf:perf-kvm[1], linkperf:perf-lock[1],
+linkperf:perf-mem[1], linkperf:perf-probe[1], linkperf:perf-sched[1],
+linkperf:perf-script[1], linkperf:perf-test[1],
+linkperf:perf-trace[1], linkperf:perf-version[1]
diff --git a/tools/perf/Documentation/security.txt b/tools/perf/Documentation/security.txt
new file mode 100644
index 000000000000..4fe3b8b1958f
--- /dev/null
+++ b/tools/perf/Documentation/security.txt
@@ -0,0 +1,237 @@
+Overview
+========
+
+For general security related questions of perf_event_open() syscall usage,
+performance monitoring and observability operations by Perf see here:
+https://www.kernel.org/doc/html/latest/admin-guide/perf-security.html
+
+Enabling LSM based mandatory access control (MAC) to perf_event_open() syscall
+==============================================================================
+
+LSM hooks for mandatory access control for perf_event_open() syscall can be
+used starting from Linux v5.3. Below are the steps to extend Fedora (v31) with
+Targeted policy with perf_event_open() access control capabilities:
+
+1. Download selinux-policy SRPM package (e.g. selinux-policy-3.14.4-48.fc31.src.rpm on FC31)
+ and install it so rpmbuild directory would exist in the current working directory:
+
+ # rpm -Uhv selinux-policy-3.14.4-48.fc31.src.rpm
+
+2. Get into rpmbuild/SPECS directory and unpack the source code:
+
+ # rpmbuild -bp selinux-policy.spec
+
+3. Place patch below at rpmbuild/BUILD/selinux-policy-b86eaaf4dbcf2d51dd4432df7185c0eaf3cbcc02
+ directory and apply it:
+
+ # patch -p1 < selinux-policy-perf-events-perfmon.patch
+ patching file policy/flask/access_vectors
+ patching file policy/flask/security_classes
+ # cat selinux-policy-perf-events-perfmon.patch
+diff -Nura a/policy/flask/access_vectors b/policy/flask/access_vectors
+--- a/policy/flask/access_vectors 2020-02-04 18:19:53.000000000 +0300
++++ b/policy/flask/access_vectors 2020-02-28 23:37:25.000000000 +0300
+@@ -174,6 +174,7 @@
+ wake_alarm
+ block_suspend
+ audit_read
++ perfmon
+ }
+
+ #
+@@ -1099,3 +1100,15 @@
+
+ class xdp_socket
+ inherits socket
++
++class perf_event
++{
++ open
++ cpu
++ kernel
++ tracepoint
++ read
++ write
++}
++
++
+diff -Nura a/policy/flask/security_classes b/policy/flask/security_classes
+--- a/policy/flask/security_classes 2020-02-04 18:19:53.000000000 +0300
++++ b/policy/flask/security_classes 2020-02-28 21:35:17.000000000 +0300
+@@ -200,4 +200,6 @@
+
+ class xdp_socket
+
++class perf_event
++
+ # FLASK
+
+4. Get into rpmbuild/SPECS directory and build policy packages from patched sources:
+
+ # rpmbuild --noclean --noprep -ba selinux-policy.spec
+
+ so you have this:
+
+ # ls -alh rpmbuild/RPMS/noarch/
+ total 33M
+ drwxr-xr-x. 2 root root 4.0K Mar 20 12:16 .
+ drwxr-xr-x. 3 root root 4.0K Mar 20 12:16 ..
+ -rw-r--r--. 1 root root 112K Mar 20 12:16 selinux-policy-3.14.4-48.fc31.noarch.rpm
+ -rw-r--r--. 1 root root 1.2M Mar 20 12:17 selinux-policy-devel-3.14.4-48.fc31.noarch.rpm
+ -rw-r--r--. 1 root root 2.3M Mar 20 12:17 selinux-policy-doc-3.14.4-48.fc31.noarch.rpm
+ -rw-r--r--. 1 root root 12M Mar 20 12:17 selinux-policy-minimum-3.14.4-48.fc31.noarch.rpm
+ -rw-r--r--. 1 root root 4.5M Mar 20 12:16 selinux-policy-mls-3.14.4-48.fc31.noarch.rpm
+ -rw-r--r--. 1 root root 111K Mar 20 12:16 selinux-policy-sandbox-3.14.4-48.fc31.noarch.rpm
+ -rw-r--r--. 1 root root 14M Mar 20 12:17 selinux-policy-targeted-3.14.4-48.fc31.noarch.rpm
+
+5. Install SELinux packages from Fedora repo, if not already done so, and
+ update with the patched rpms above:
+
+ # rpm -Uhv rpmbuild/RPMS/noarch/selinux-policy-*
+
+6. Enable SELinux Permissive mode for Targeted policy, if not already done so:
+
+ # cat /etc/selinux/config
+
+ # This file controls the state of SELinux on the system.
+ # SELINUX= can take one of these three values:
+ # enforcing - SELinux security policy is enforced.
+ # permissive - SELinux prints warnings instead of enforcing.
+ # disabled - No SELinux policy is loaded.
+ SELINUX=permissive
+ # SELINUXTYPE= can take one of these three values:
+ # targeted - Targeted processes are protected,
+ # minimum - Modification of targeted policy. Only selected processes are protected.
+ # mls - Multi Level Security protection.
+ SELINUXTYPE=targeted
+
+7. Enable filesystem SELinux labeling at the next reboot:
+
+ # touch /.autorelabel
+
+8. Reboot machine and it will label filesystems and load Targeted policy into the kernel;
+
+9. Login and check that dmesg output doesn't mention that perf_event class is unknown to SELinux subsystem;
+
+10. Check that SELinux is enabled and in Permissive mode
+
+ # getenforce
+ Permissive
+
+11. Turn SELinux into Enforcing mode:
+
+ # setenforce 1
+ # getenforce
+ Enforcing
+
+Opening access to perf_event_open() syscall on Fedora with SELinux
+==================================================================
+
+Access to performance monitoring and observability operations by Perf
+can be limited for superuser or CAP_PERFMON or CAP_SYS_ADMIN privileged
+processes. MAC policy settings (e.g. SELinux) can be loaded into the kernel
+and prevent unauthorized access to perf_event_open() syscall. In such case
+Perf tool provides a message similar to the one below:
+
+ # perf stat
+ Error:
+ Access to performance monitoring and observability operations is limited.
+ Enforced MAC policy settings (SELinux) can limit access to performance
+ monitoring and observability operations. Inspect system audit records for
+ more perf_event access control information and adjusting the policy.
+ Consider adjusting /proc/sys/kernel/perf_event_paranoid setting to open
+ access to performance monitoring and observability operations for users
+ without CAP_PERFMON or CAP_SYS_ADMIN Linux capability.
+ perf_event_paranoid setting is -1:
+ -1: Allow use of (almost) all events by all users
+ Ignore mlock limit after perf_event_mlock_kb without CAP_IPC_LOCK
+ >= 0: Disallow raw and ftrace function tracepoint access
+ >= 1: Disallow CPU event access
+ >= 2: Disallow kernel profiling
+ To make the adjusted perf_event_paranoid setting permanent preserve it
+ in /etc/sysctl.conf (e.g. kernel.perf_event_paranoid = <setting>)
+
+To make sure that access is limited by MAC policy settings inspect system
+audit records using journalctl command or /var/log/audit/audit.log so the
+output would contain AVC denied records related to perf_event:
+
+ # journalctl --reverse --no-pager | grep perf_event
+
+ python3[1318099]: SELinux is preventing perf from open access on the perf_event labeled unconfined_t.
+ If you believe that perf should be allowed open access on perf_event labeled unconfined_t by default.
+ setroubleshoot[1318099]: SELinux is preventing perf from open access on the perf_event labeled unconfined_t. For complete SELinux messages run: sealert -l 4595ce5b-e58f-462c-9d86-3bc2074935de
+ audit[1318098]: AVC avc: denied { open } for pid=1318098 comm="perf" scontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 tclass=perf_event permissive=0
+
+In order to open access to perf_event_open() syscall MAC policy settings can
+require to be extended. On SELinux system this can be done by loading a special
+policy module extending base policy settings. Perf related policy module can
+be generated using the system audit records about blocking perf_event access.
+Run the command below to generate my-perf.te policy extension file with
+perf_event related rules:
+
+ # ausearch -c 'perf' --raw | audit2allow -M my-perf && cat my-perf.te
+
+ module my-perf 1.0;
+
+ require {
+ type unconfined_t;
+ class perf_event { cpu kernel open read tracepoint write };
+ }
+
+ #============= unconfined_t ==============
+ allow unconfined_t self:perf_event { cpu kernel open read tracepoint write };
+
+Now compile, pack and load my-perf.pp extension module into the kernel:
+
+ # checkmodule -M -m -o my-perf.mod my-perf.te
+ # semodule_package -o my-perf.pp -m my-perf.mod
+ # semodule -X 300 -i my-perf.pp
+
+After all those taken steps above access to perf_event_open() syscall should
+now be allowed by the policy settings. Check access running Perf like this:
+
+ # perf stat
+ ^C
+ Performance counter stats for 'system wide':
+
+ 36,387.41 msec cpu-clock # 7.999 CPUs utilized
+ 2,629 context-switches # 0.072 K/sec
+ 57 cpu-migrations # 0.002 K/sec
+ 1 page-faults # 0.000 K/sec
+ 263,721,559 cycles # 0.007 GHz
+ 175,746,713 instructions # 0.67 insn per cycle
+ 19,628,798 branches # 0.539 M/sec
+ 1,259,201 branch-misses # 6.42% of all branches
+
+ 4.549061439 seconds time elapsed
+
+The generated perf-event.pp related policy extension module can be removed
+from the kernel using this command:
+
+ # semodule -X 300 -r my-perf
+
+Alternatively the module can be temporarily disabled and enabled back using
+these two commands:
+
+ # semodule -d my-perf
+ # semodule -e my-perf
+
+If something went wrong
+=======================
+
+To turn SELinux into Permissive mode:
+ # setenforce 0
+
+To fully disable SELinux during kernel boot [3] set kernel command line parameter selinux=0
+
+To remove SELinux labeling from local filesystems:
+ # find / -mount -print0 | xargs -0 setfattr -h -x security.selinux
+
+To fully turn SELinux off a machine set SELINUX=disabled at /etc/selinux/config file and reboot;
+
+Links
+=====
+
+[1] https://download-ib01.fedoraproject.org/pub/fedora/linux/updates/31/Everything/SRPMS/Packages/s/selinux-policy-3.14.4-49.fc31.src.rpm
+[2] https://docs.fedoraproject.org/en-US/Fedora/11/html/Security-Enhanced_Linux/sect-Security-Enhanced_Linux-Working_with_SELinux-Enabling_and_Disabling_SELinux.html
+[3] https://danwalsh.livejournal.com/10972.html
diff --git a/tools/perf/Documentation/tips.txt b/tools/perf/Documentation/tips.txt
index 170b0289a7bc..3fee9b2a88ea 100644
--- a/tools/perf/Documentation/tips.txt
+++ b/tools/perf/Documentation/tips.txt
@@ -2,6 +2,7 @@ For a higher level overview, try: perf report --sort comm,dso
Sample related events with: perf record -e '{cycles,instructions}:S'
Compare performance results with: perf diff [<old file> <new file>]
Boolean options have negative forms, e.g.: perf report --no-children
+To not accumulate CPU time of children symbols add --no-children
Customize output of perf script with: perf script -F event,ip,sym
Generate a script for your data: perf script -g <lang>
Save output of perf stat using: perf stat record <target workload>
@@ -12,23 +13,56 @@ List events using substring match: perf list <keyword>
To see list of saved events and attributes: perf evlist -v
Use --symfs <dir> if your symbol files are in non-standard locations
To see callchains in a more compact form: perf report -g folded
+To see call chains by final symbol taking CPU time (bottom up) use perf report -G
Show individual samples with: perf script
Limit to show entries above 5% only: perf report --percent-limit 5
Profiling branch (mis)predictions with: perf record -b / perf report
-Treat branches as callchains: perf report --branch-history
-To count events in every 1000 msec: perf stat -I 1000
-Print event counts in CSV format with: perf stat -x,
+To show assembler sample context control flow use perf record -b / perf report --samples 10 and then browse context
+To adjust path to source files to local file system use perf report --prefix=... --prefix-strip=...
+Treat branches as callchains: perf record -b ... ; perf report --branch-history
+Show estimate cycles per function and IPC in annotate use perf record -b ... ; perf report --total-cycles
+To count events every 1000 msec: perf stat -I 1000
+Print event counts in machine readable CSV format with: perf stat -x\;
If you have debuginfo enabled, try: perf report -s sym,srcline
For memory address profiling, try: perf mem record / perf mem report
For tracepoint events, try: perf report -s trace_fields
To record callchains for each sample: perf record -g
+If call chains don't work try perf record --call-graph dwarf or --call-graph lbr
To record every process run by a user: perf record -u <user>
-Skip collecing build-id when recording: perf record -B
+To show inline functions in call traces add --inline to perf report
+To not record events from perf itself add --exclude-perf
+Skip collecting build-id when recording: perf record -B
To change sampling frequency to 100 Hz: perf record -F 100
+To show information about system the samples were collected on use perf report --header
+To only collect call graph on one event use perf record -e cpu/cpu-cycles,callgraph=1/,branches ; perf report --show-ref-call-graph
+To set sampling period of individual events use perf record -e cpu/cpu-cycles,period=100001/,cpu/branches,period=10001/ ...
+To group events which need to be collected together for accuracy use {}: perf record -e {cycles,branches}' ...
+To compute metrics for samples use perf record -e '{cycles,instructions}' ... ; perf script -F +metric
See assembly instructions with percentage: perf annotate <symbol>
If you prefer Intel style assembly, try: perf annotate -M intel
+When collecting LBR backtraces use --stitch-lbr to handle more than 32 deep entries: perf record --call-graph lbr ; perf report --stitch-lbr
For hierarchical output, try: perf report --hierarchy
Order by the overhead of source file name and line number: perf report -s srcline
System-wide collection from all CPUs: perf record -a
Show current config key-value pairs: perf config --list
+To collect Processor Trace with samples use perf record -e '{intel_pt//,cycles}' ; perf script --call-trace or --insn-trace --xed -F +ipc (remove --xed if no xed)
+To trace calls using Processor Trace use perf record -e intel_pt// ... ; perf script --call-trace. Then use perf script --time A-B --insn-trace to look at region of interest.
+To measure approximate function latency with Processor Trace use perf record -e intel_pt// ... ; perf script --call-ret-trace
+To trace only single function with Processor Trace use perf record --filter 'filter func @ program' -e intel_pt//u ./program ; perf script --insn-trace
Show user configuration overrides: perf config --user --list
+To add Node.js USDT(User-Level Statically Defined Tracing): perf buildid-cache --add `which node`
+To analyze cache line scalability issues use perf c2c record ... ; perf c2c report
+To browse sample contexts use perf report --sample 10 and select in context menu
+To separate samples by time use perf report --sort time,overhead,sym
+To filter subset of samples with report or script add --time X-Y or --cpu A,B,C or --socket-filter ...
+To set sample time separation other than 100ms with --sort time use --time-quantum
+Add -I to perf record to sample register values, which will be visible in perf report sample context.
+To show IPC for sampling periods use perf record -e '{cycles,instructions}:S' and then browse context
+To show context switches in perf report sample context add --switch-events to perf record.
+To show time in nanoseconds in record/report add --ns
+To compare hot regions in two workloads use perf record -b -o file ... ; perf diff --stream file1 file2
+To compare scalability of two workload samples use perf diff -c ratio file1 file2
+For latency profiling, try: perf record/report --latency
+For parallelism histogram, try: perf report --hierarchy --sort latency,parallelism,comm,symbol
+To analyze particular parallelism levels, try: perf report --latency --parallelism=32-64
+To see how parallelism changes over time, try: perf report -F time,latency,parallelism --time-quantum=1s
diff --git a/tools/perf/Documentation/topdown.txt b/tools/perf/Documentation/topdown.txt
new file mode 100644
index 000000000000..5c17fff694ee
--- /dev/null
+++ b/tools/perf/Documentation/topdown.txt
@@ -0,0 +1,362 @@
+Using TopDown metrics
+---------------------
+
+TopDown metrics break apart performance bottlenecks. Starting at level
+1 it is typical to get metrics on retiring, bad speculation, frontend
+bound, and backend bound. Higher levels provide more detail in to the
+level 1 bottlenecks, such as at level 2: core bound, memory bound,
+heavy operations, light operations, branch mispredicts, machine
+clears, fetch latency and fetch bandwidth. For more details see [1][2][3].
+
+perf stat --topdown implements this using available metrics that vary
+per architecture.
+
+% perf stat -a --topdown -I1000
+# time % tma_retiring % tma_backend_bound % tma_frontend_bound % tma_bad_speculation
+ 1.001141351 11.5 34.9 46.9 6.7
+ 2.006141972 13.4 28.1 50.4 8.1
+ 3.010162040 12.9 28.1 51.1 8.0
+ 4.014009311 12.5 28.6 51.8 7.2
+ 5.017838554 11.8 33.0 48.0 7.2
+ 5.704818971 14.0 27.5 51.3 7.3
+...
+
+New Topdown features in Intel Ice Lake
+======================================
+
+With Ice Lake CPUs the TopDown metrics are directly available as
+fixed counters and do not require generic counters. This allows
+to collect TopDown always in addition to other events.
+
+Using TopDown through RDPMC in applications on Intel Ice Lake
+=============================================================
+
+For more fine grained measurements it can be useful to
+access the new directly from user space. This is more complicated,
+but drastically lowers overhead.
+
+On Ice Lake, there is a new fixed counter 3: SLOTS, which reports
+"pipeline SLOTS" (cycles multiplied by core issue width) and a
+metric register that reports slots ratios for the different bottleneck
+categories.
+
+The metrics counter is CPU model specific and is not available on older
+CPUs.
+
+Example code
+============
+
+Library functions to do the functionality described below
+is also available in libjevents [4]
+
+The application opens a group with fixed counter 3 (SLOTS) and any
+metric event, and allow user programs to read the performance counters.
+
+Fixed counter 3 is mapped to a pseudo event event=0x00, umask=04,
+so the perf_event_attr structure should be initialized with
+{ .config = 0x0400, .type = PERF_TYPE_RAW }
+The metric events are mapped to the pseudo event event=0x00, umask=0x8X.
+For example, the perf_event_attr structure can be initialized with
+{ .config = 0x8000, .type = PERF_TYPE_RAW } for Retiring metric event
+The Fixed counter 3 must be the leader of the group.
+
+#include <linux/perf_event.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+/* Provide own perf_event_open stub because glibc doesn't */
+__attribute__((weak))
+int perf_event_open(struct perf_event_attr *attr, pid_t pid,
+ int cpu, int group_fd, unsigned long flags)
+{
+ return syscall(__NR_perf_event_open, attr, pid, cpu, group_fd, flags);
+}
+
+/* Open slots counter file descriptor for current task. */
+struct perf_event_attr slots = {
+ .type = PERF_TYPE_RAW,
+ .size = sizeof(struct perf_event_attr),
+ .config = 0x400,
+ .exclude_kernel = 1,
+};
+
+int slots_fd = perf_event_open(&slots, 0, -1, -1, 0);
+if (slots_fd < 0)
+ ... error ...
+
+/* Memory mapping the fd permits _rdpmc calls from userspace */
+void *slots_p = mmap(0, getpagesize(), PROT_READ, MAP_SHARED, slots_fd, 0);
+if (!slot_p)
+ .... error ...
+
+/*
+ * Open metrics event file descriptor for current task.
+ * Set slots event as the leader of the group.
+ */
+struct perf_event_attr metrics = {
+ .type = PERF_TYPE_RAW,
+ .size = sizeof(struct perf_event_attr),
+ .config = 0x8000,
+ .exclude_kernel = 1,
+};
+
+int metrics_fd = perf_event_open(&metrics, 0, -1, slots_fd, 0);
+if (metrics_fd < 0)
+ ... error ...
+
+/* Memory mapping the fd permits _rdpmc calls from userspace */
+void *metrics_p = mmap(0, getpagesize(), PROT_READ, MAP_SHARED, metrics_fd, 0);
+if (!metrics_p)
+ ... error ...
+
+Note: the file descriptors returned by the perf_event_open calls must be memory
+mapped to permit calls to the _rdpmd instruction. Permission may also be granted
+by writing the /sys/devices/cpu/rdpmc sysfs node.
+
+The RDPMC instruction (or _rdpmc compiler intrinsic) can now be used
+to read slots and the topdown metrics at different points of the program:
+
+#include <stdint.h>
+#include <x86intrin.h>
+
+#define RDPMC_FIXED (1 << 30) /* return fixed counters */
+#define RDPMC_METRIC (1 << 29) /* return metric counters */
+
+#define FIXED_COUNTER_SLOTS 3
+#define METRIC_COUNTER_TOPDOWN_L1_L2 0
+
+static inline uint64_t read_slots(void)
+{
+ return _rdpmc(RDPMC_FIXED | FIXED_COUNTER_SLOTS);
+}
+
+static inline uint64_t read_metrics(void)
+{
+ return _rdpmc(RDPMC_METRIC | METRIC_COUNTER_TOPDOWN_L1_L2);
+}
+
+Then the program can be instrumented to read these metrics at different
+points.
+
+It's not a good idea to do this with too short code regions,
+as the parallelism and overlap in the CPU program execution will
+cause too much measurement inaccuracy. For example instrumenting
+individual basic blocks is definitely too fine grained.
+
+_rdpmc calls should not be mixed with reading the metrics and slots counters
+through system calls, as the kernel will reset these counters after each system
+call.
+
+Decoding metrics values
+=======================
+
+The value reported by read_metrics() contains four 8 bit fields
+that represent a scaled ratio that represent the Level 1 bottleneck.
+All four fields add up to 0xff (= 100%)
+
+The binary ratios in the metric value can be converted to float ratios:
+
+#define GET_METRIC(m, i) (((m) >> (i*8)) & 0xff)
+
+/* L1 Topdown metric events */
+#define TOPDOWN_RETIRING(val) ((float)GET_METRIC(val, 0) / 0xff)
+#define TOPDOWN_BAD_SPEC(val) ((float)GET_METRIC(val, 1) / 0xff)
+#define TOPDOWN_FE_BOUND(val) ((float)GET_METRIC(val, 2) / 0xff)
+#define TOPDOWN_BE_BOUND(val) ((float)GET_METRIC(val, 3) / 0xff)
+
+/*
+ * L2 Topdown metric events.
+ * Available on Sapphire Rapids and later platforms.
+ */
+#define TOPDOWN_HEAVY_OPS(val) ((float)GET_METRIC(val, 4) / 0xff)
+#define TOPDOWN_BR_MISPREDICT(val) ((float)GET_METRIC(val, 5) / 0xff)
+#define TOPDOWN_FETCH_LAT(val) ((float)GET_METRIC(val, 6) / 0xff)
+#define TOPDOWN_MEM_BOUND(val) ((float)GET_METRIC(val, 7) / 0xff)
+
+and then converted to percent for printing.
+
+The ratios in the metric accumulate for the time when the counter
+is enabled. For measuring programs it is often useful to measure
+specific sections. For this it is needed to deltas on metrics.
+
+This can be done by scaling the metrics with the slots counter
+read at the same time.
+
+Then it's possible to take deltas of these slots counts
+measured at different points, and determine the metrics
+for that time period.
+
+ slots_a = read_slots();
+ metric_a = read_metrics();
+
+ ... larger code region ...
+
+ slots_b = read_slots()
+ metric_b = read_metrics()
+
+ # compute scaled metrics for measurement a
+ retiring_slots_a = GET_METRIC(metric_a, 0) * slots_a
+ bad_spec_slots_a = GET_METRIC(metric_a, 1) * slots_a
+ fe_bound_slots_a = GET_METRIC(metric_a, 2) * slots_a
+ be_bound_slots_a = GET_METRIC(metric_a, 3) * slots_a
+
+ # compute delta scaled metrics between b and a
+ retiring_slots = GET_METRIC(metric_b, 0) * slots_b - retiring_slots_a
+ bad_spec_slots = GET_METRIC(metric_b, 1) * slots_b - bad_spec_slots_a
+ fe_bound_slots = GET_METRIC(metric_b, 2) * slots_b - fe_bound_slots_a
+ be_bound_slots = GET_METRIC(metric_b, 3) * slots_b - be_bound_slots_a
+
+Later the individual ratios of L1 metric events for the measurement period can
+be recreated from these counts.
+
+ slots_delta = slots_b - slots_a
+ retiring_ratio = (float)retiring_slots / slots_delta
+ bad_spec_ratio = (float)bad_spec_slots / slots_delta
+ fe_bound_ratio = (float)fe_bound_slots / slots_delta
+ be_bound_ratio = (float)be_bound_slots / slota_delta
+
+ printf("Retiring %.2f%% Bad Speculation %.2f%% FE Bound %.2f%% BE Bound %.2f%%\n",
+ retiring_ratio * 100.,
+ bad_spec_ratio * 100.,
+ fe_bound_ratio * 100.,
+ be_bound_ratio * 100.);
+
+The individual ratios of L2 metric events for the measurement period can be
+recreated from L1 and L2 metric counters. (Available on Sapphire Rapids and
+later platforms)
+
+ # compute scaled metrics for measurement a
+ heavy_ops_slots_a = GET_METRIC(metric_a, 4) * slots_a
+ br_mispredict_slots_a = GET_METRIC(metric_a, 5) * slots_a
+ fetch_lat_slots_a = GET_METRIC(metric_a, 6) * slots_a
+ mem_bound_slots_a = GET_METRIC(metric_a, 7) * slots_a
+
+ # compute delta scaled metrics between b and a
+ heavy_ops_slots = GET_METRIC(metric_b, 4) * slots_b - heavy_ops_slots_a
+ br_mispredict_slots = GET_METRIC(metric_b, 5) * slots_b - br_mispredict_slots_a
+ fetch_lat_slots = GET_METRIC(metric_b, 6) * slots_b - fetch_lat_slots_a
+ mem_bound_slots = GET_METRIC(metric_b, 7) * slots_b - mem_bound_slots_a
+
+ slots_delta = slots_b - slots_a
+ heavy_ops_ratio = (float)heavy_ops_slots / slots_delta
+ light_ops_ratio = retiring_ratio - heavy_ops_ratio;
+
+ br_mispredict_ratio = (float)br_mispredict_slots / slots_delta
+ machine_clears_ratio = bad_spec_ratio - br_mispredict_ratio;
+
+ fetch_lat_ratio = (float)fetch_lat_slots / slots_delta
+ fetch_bw_ratio = fe_bound_ratio - fetch_lat_ratio;
+
+ mem_bound_ratio = (float)mem_bound_slots / slota_delta
+ core_bound_ratio = be_bound_ratio - mem_bound_ratio;
+
+ printf("Heavy Operations %.2f%% Light Operations %.2f%% "
+ "Branch Mispredict %.2f%% Machine Clears %.2f%% "
+ "Fetch Latency %.2f%% Fetch Bandwidth %.2f%% "
+ "Mem Bound %.2f%% Core Bound %.2f%%\n",
+ heavy_ops_ratio * 100.,
+ light_ops_ratio * 100.,
+ br_mispredict_ratio * 100.,
+ machine_clears_ratio * 100.,
+ fetch_lat_ratio * 100.,
+ fetch_bw_ratio * 100.,
+ mem_bound_ratio * 100.,
+ core_bound_ratio * 100.);
+
+Resetting metrics counters
+==========================
+
+Since the individual metrics are only 8bit they lose precision for
+short regions over time because the number of cycles covered by each
+fraction bit shrinks. So the counters need to be reset regularly.
+
+When using the kernel perf API the kernel resets on every read.
+So as long as the reading is at reasonable intervals (every few
+seconds) the precision is good.
+
+When using perf stat it is recommended to always use the -I option,
+with no longer interval than a few seconds
+
+ perf stat -I 1000 --topdown ...
+
+For user programs using RDPMC directly the counter can
+be reset explicitly using ioctl:
+
+ ioctl(perf_fd, PERF_EVENT_IOC_RESET, 0);
+
+This "opens" a new measurement period.
+
+A program using RDPMC for TopDown should schedule such a reset
+regularly, as in every few seconds.
+
+Limits on Intel Ice Lake
+========================
+
+Four pseudo TopDown metric events are exposed for the end-users,
+topdown-retiring, topdown-bad-spec, topdown-fe-bound and topdown-be-bound.
+They can be used to collect the TopDown value under the following
+rules:
+- All the TopDown metric events must be in a group with the SLOTS event.
+- The SLOTS event must be the leader of the group.
+- The PERF_FORMAT_GROUP flag must be applied for each TopDown metric
+ events
+
+The SLOTS event and the TopDown metric events can be counting members of
+a sampling read group. Since the SLOTS event must be the leader of a TopDown
+group, the second event of the group is the sampling event.
+For example, perf record -e '{slots, $sampling_event, topdown-retiring}:S'
+
+Extension on Intel Sapphire Rapids Server
+=========================================
+The metrics counter is extended to support TMA method level 2 metrics.
+The lower half of the register is the TMA level 1 metrics (legacy).
+The upper half is also divided into four 8-bit fields for the new level 2
+metrics. Four more TopDown metric events are exposed for the end-users,
+topdown-heavy-ops, topdown-br-mispredict, topdown-fetch-lat and
+topdown-mem-bound.
+
+Each of the new level 2 metrics in the upper half is a subset of the
+corresponding level 1 metric in the lower half. Software can deduce the
+other four level 2 metrics by subtracting corresponding metrics as below.
+
+ Light_Operations = Retiring - Heavy_Operations
+ Machine_Clears = Bad_Speculation - Branch_Mispredicts
+ Fetch_Bandwidth = Frontend_Bound - Fetch_Latency
+ Core_Bound = Backend_Bound - Memory_Bound
+
+TPEBS in TopDown
+================
+
+TPEBS (Timed PEBS) is one of the new Intel PMU features provided since Granite
+Rapids microarchitecture. The TPEBS feature adds a 16 bit retire_latency field
+in the Basic Info group of the PEBS record. It records the Core cycles since the
+retirement of the previous instruction to the retirement of current instruction.
+Please refer to Section 8.4.1 of "Intel® Architecture Instruction Set Extensions
+Programming Reference" for more details about this feature. Because this feature
+extends PEBS record, sampling with weight option is required to get the
+retire_latency value.
+
+ perf record -e event_name -W ...
+
+In the most recent release of TMA, the metrics begin to use event retire_latency
+values in some of the metrics’ formulas on processors that support TPEBS feature.
+For previous generations that do not support TPEBS, the values are static and
+predefined per processor family by the hardware architects. Due to the diversity
+of workloads in execution environments, retire_latency values measured at real
+time are more accurate. Therefore, new TMA metrics that use TPEBS will provide
+more accurate performance analysis results.
+
+To support TPEBS in TMA metrics, a new modifier :R on event is added. Perf would
+capture retire_latency value of required events(event with :R in metric formula)
+with perf record. The retire_latency value would be used in metric calculation.
+Currently, this feature is supported through perf stat
+
+ perf stat -M metric_name --record-tpebs ...
+
+
+
+[1] https://software.intel.com/en-us/top-down-microarchitecture-analysis-method-win
+[2] https://sites.google.com/site/analysismethods/yasin-pubs
+[3] https://perf.wiki.kernel.org/index.php/Top-Down_Analysis
+[4] https://github.com/andikleen/pmu-tools/tree/master/jevents
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index 89018c7311a4..34af57b8ec2a 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -1,92 +1,36 @@
+COPYING
+LICENSES/preferred/GPL-2.0
+arch/arm64/tools/gen-sysreg.awk
+arch/arm64/tools/syscall_64.tbl
+arch/arm64/tools/sysreg
+arch/*/include/uapi/asm/bpf_perf_event.h
+include/uapi/asm-generic/Kbuild
tools/perf
-tools/arch/alpha/include/asm/barrier.h
-tools/arch/arm/include/asm/barrier.h
-tools/arch/arm64/include/asm/barrier.h
-tools/arch/ia64/include/asm/barrier.h
-tools/arch/mips/include/asm/barrier.h
-tools/arch/powerpc/include/asm/barrier.h
-tools/arch/s390/include/asm/barrier.h
-tools/arch/sh/include/asm/barrier.h
-tools/arch/sparc/include/asm/barrier.h
-tools/arch/sparc/include/asm/barrier_32.h
-tools/arch/sparc/include/asm/barrier_64.h
-tools/arch/tile/include/asm/barrier.h
-tools/arch/x86/include/asm/barrier.h
-tools/arch/x86/include/asm/cmpxchg.h
-tools/arch/x86/include/asm/cpufeatures.h
-tools/arch/x86/include/asm/disabled-features.h
-tools/arch/x86/include/asm/required-features.h
-tools/arch/x86/include/uapi/asm/svm.h
-tools/arch/x86/include/uapi/asm/vmx.h
-tools/arch/x86/include/uapi/asm/kvm.h
-tools/arch/x86/include/uapi/asm/kvm_perf.h
-tools/arch/x86/lib/memcpy_64.S
-tools/arch/x86/lib/memset_64.S
-tools/arch/s390/include/uapi/asm/kvm_perf.h
-tools/arch/s390/include/uapi/asm/sie.h
-tools/arch/xtensa/include/asm/barrier.h
+tools/arch
tools/scripts
tools/build
-tools/arch/x86/include/asm/atomic.h
-tools/arch/x86/include/asm/rmwcc.h
-tools/lib/traceevent
+tools/include
tools/lib/api
tools/lib/bpf
tools/lib/subcmd
+tools/lib/perf
+tools/lib/argv_split.c
+tools/lib/ctype.c
tools/lib/hweight.c
tools/lib/rbtree.c
tools/lib/string.c
-tools/lib/symbol/kallsyms.c
-tools/lib/symbol/kallsyms.h
+tools/lib/symbol
tools/lib/find_bit.c
tools/lib/bitmap.c
+tools/lib/list_sort.c
tools/lib/str_error_r.c
tools/lib/vsprintf.c
-tools/include/asm/alternative-asm.h
-tools/include/asm/atomic.h
-tools/include/asm/barrier.h
-tools/include/asm/bug.h
-tools/include/asm-generic/atomic-gcc.h
-tools/include/asm-generic/barrier.h
-tools/include/asm-generic/bitops/arch_hweight.h
-tools/include/asm-generic/bitops/atomic.h
-tools/include/asm-generic/bitops/const_hweight.h
-tools/include/asm-generic/bitops/__ffs.h
-tools/include/asm-generic/bitops/__ffz.h
-tools/include/asm-generic/bitops/__fls.h
-tools/include/asm-generic/bitops/find.h
-tools/include/asm-generic/bitops/fls64.h
-tools/include/asm-generic/bitops/fls.h
-tools/include/asm-generic/bitops/hweight.h
-tools/include/asm-generic/bitops.h
-tools/include/linux/atomic.h
-tools/include/linux/bitops.h
-tools/include/linux/compiler.h
-tools/include/linux/compiler-gcc.h
-tools/include/linux/coresight-pmu.h
-tools/include/linux/filter.h
-tools/include/linux/hash.h
-tools/include/linux/kernel.h
-tools/include/linux/list.h
-tools/include/linux/log2.h
-tools/include/uapi/asm-generic/mman-common.h
-tools/include/uapi/asm-generic/mman.h
-tools/include/uapi/linux/bpf.h
-tools/include/uapi/linux/bpf_common.h
-tools/include/uapi/linux/fcntl.h
-tools/include/uapi/linux/hw_breakpoint.h
-tools/include/uapi/linux/mman.h
-tools/include/uapi/linux/perf_event.h
-tools/include/uapi/linux/stat.h
-tools/include/linux/poison.h
-tools/include/linux/rbtree.h
-tools/include/linux/rbtree_augmented.h
-tools/include/linux/refcount.h
-tools/include/linux/string.h
-tools/include/linux/stringify.h
-tools/include/linux/types.h
-tools/include/linux/err.h
-tools/include/linux/bitmap.h
-tools/include/linux/time64.h
-tools/arch/*/include/uapi/asm/mman.h
-tools/arch/*/include/uapi/asm/perf_regs.h
+tools/lib/zalloc.c
+scripts/bpf_doc.py
+scripts/Kbuild.include
+scripts/Makefile.asm-headers
+scripts/syscall.tbl
+scripts/syscallhdr.sh
+tools/bpf/bpftool
+kernel/bpf/disasm.c
+kernel/bpf/disasm.h
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 32a64e619028..816d5d84816b 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# This is a simple wrapper Makefile that calls the main Makefile.perf
# with a -j option to do parallel builds
@@ -24,7 +25,7 @@ unexport MAKEFLAGS
# (To override it, run 'make JOBS=1' and similar.)
#
ifeq ($(JOBS),)
- JOBS := $(shell (getconf _NPROCESSORS_ONLN || egrep -c '^processor|^CPU[0-9]' /proc/cpuinfo) 2>/dev/null)
+ JOBS := $(shell (getconf _NPROCESSORS_ONLN || grep -E -c '^processor|^CPU[0-9]' /proc/cpuinfo) 2>/dev/null)
ifeq ($(JOBS),0)
JOBS := 1
endif
@@ -34,7 +35,7 @@ endif
# Only pass canonical directory names as the output directory:
#
ifneq ($(O),)
- FULL_O := $(shell readlink -f $(O) || echo $(O))
+ FULL_O := $(shell cd $(PWD); readlink -f $(O) || echo $(O))
endif
#
@@ -50,8 +51,14 @@ else
override DEBUG = 0
endif
+ifeq ($(JOBS),1)
+ BUILD_TYPE := sequential
+else
+ BUILD_TYPE := parallel
+endif
+
define print_msg
- @printf ' BUILD: Doing '\''make \033[33m-j'$(JOBS)'\033[m'\'' parallel build\n'
+ @printf ' BUILD: Doing '\''make \033[33m-j'$(JOBS)'\033[m'\'' $(BUILD_TYPE) build\n'
endef
define make
@@ -83,10 +90,10 @@ endif # has_clean
endif # MAKECMDGOALS
#
-# The clean target is not really parallel, don't print the jobs info:
+# Explicitly disable parallelism for the clean target.
#
clean:
- $(make)
+ $(make) -j1
#
# The build-test target is not really parallel, don't print the jobs info,
@@ -99,7 +106,10 @@ clean:
# make -C tools/perf -f tests/make
#
build-test:
- @$(MAKE) SHUF=1 -f tests/make REUSE_FEATURES_DUMP=1 MK=Makefile SET_PARALLEL=1 --no-print-directory tarpkg out
+ @$(MAKE) SHUF=1 -f tests/make REUSE_FEATURES_DUMP=1 MK=Makefile SET_PARALLEL=1 --no-print-directory tarpkg make_static make_with_gtk2 out
+
+build-test-tarball:
+ @$(MAKE) -f tests/make REUSE_FEATURES_DUMP=1 MK=Makefile SET_PARALLEL=1 --no-print-directory out
#
# All other targets get passed through:
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 2b656de99495..bd9f4804d56b 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
ifeq ($(src-perf),)
src-perf := $(srctree)/tools/perf
@@ -15,56 +16,120 @@ $(shell printf "" > $(OUTPUT).config-detected)
detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
-CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
+CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
+HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
+
+# This is required because the kernel is built with this and some of the code
+# borrowed from kernel headers depends on it, e.g. put_unaligned_*().
+CFLAGS += -fno-strict-aliasing
+
+# Set target flag and options when using clang as compiler.
+ifeq ($(CC_NO_CLANG), 0)
+ CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi
+ CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu
+ CLANG_TARGET_FLAGS_m68k := m68k-linux-gnu
+ CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu
+ CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu
+ CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu
+ CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu
+ CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu
+ CLANG_TARGET_FLAGS_x86_64 := x86_64-linux-gnu
+
+ # Default to host architecture if ARCH is not explicitly given.
+ ifeq ($(ARCH), $(HOSTARCH))
+ CLANG_TARGET_FLAGS := $(shell $(CLANG) -print-target-triple)
+ else
+ CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH))
+ endif
+
+ ifeq ($(CROSS_COMPILE),)
+ ifeq ($(CLANG_TARGET_FLAGS),)
+ $(error Specify CROSS_COMPILE or add CLANG_TARGET_FLAGS for $(ARCH))
+ else
+ CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS)
+ endif # CLANG_TARGET_FLAGS
+ else
+ CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%))
+ endif # CROSS_COMPILE
+
+ CC := $(CLANG) $(CLANG_FLAGS) -fintegrated-as
+ CXX := $(CXX) $(CLANG_FLAGS) -fintegrated-as
+
+ # Enabled Wthread-safety analysis for clang builds.
+ CFLAGS += -Wthread-safety
+endif
include $(srctree)/tools/scripts/Makefile.arch
-$(call detected_var,ARCH)
+$(call detected_var,SRCARCH)
-NO_PERF_REGS := 1
+CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated
+CFLAGS += -I$(OUTPUT)libperf/arch/$(SRCARCH)/include/generated/uapi
# Additional ARCH settings for ppc
-ifeq ($(ARCH),powerpc)
- NO_PERF_REGS := 0
- LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
+ifeq ($(SRCARCH),powerpc)
+ ifndef NO_LIBUNWIND
+ LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
+ endif
endif
# Additional ARCH settings for x86
-ifeq ($(ARCH),x86)
+ifeq ($(SRCARCH),x86)
$(call detected,CONFIG_X86)
ifeq (${IS_64_BIT}, 1)
- CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated
+ CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
- LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
+ ifndef NO_LIBUNWIND
+ LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
+ endif
$(call detected,CONFIG_X86_64)
else
- LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
+ ifndef NO_LIBUNWIND
+ LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
+ endif
+ endif
+endif
+
+ifeq ($(SRCARCH),arm)
+ ifndef NO_LIBUNWIND
+ LIBUNWIND_LIBS = -lunwind -lunwind-arm
endif
- NO_PERF_REGS := 0
endif
-ifeq ($(ARCH),arm)
- NO_PERF_REGS := 0
- LIBUNWIND_LIBS = -lunwind -lunwind-arm
+ifeq ($(SRCARCH),arm64)
+ ifndef NO_LIBUNWIND
+ LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
+ endif
endif
-ifeq ($(ARCH),arm64)
- NO_PERF_REGS := 0
- LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
+ifeq ($(SRCARCH),loongarch)
+ ifndef NO_LIBUNWIND
+ LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
+ endif
endif
-ifeq ($(NO_PERF_REGS),0)
- $(call detected,CONFIG_PERF_REGS)
+ifeq ($(ARCH),s390)
+ CFLAGS += -fPIC
+endif
+
+ifeq ($(ARCH),mips)
+ ifndef NO_LIBUNWIND
+ LIBUNWIND_LIBS = -lunwind -lunwind-mips
+ endif
endif
# So far there's only x86 and arm libdw unwind support merged in perf.
# Disable it on all other architectures in case libdw unwind
# support is detected in system. Add supported architectures
# to the check.
-ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
+ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
NO_LIBDW_DWARF_UNWIND := 1
endif
+ifneq ($(LIBUNWIND),1)
+ NO_LIBUNWIND := 1
+endif
+
ifeq ($(LIBUNWIND_LIBS),)
NO_LIBUNWIND := 1
endif
@@ -83,19 +148,35 @@ endef
ifdef LIBUNWIND_DIR
LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
- LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
+ LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch
$(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
endif
-# Set per-feature check compilation flags
-FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
-FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
-FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
-FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
+ifndef NO_LIBUNWIND
+ # Set per-feature check compilation flags
+ FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
+ FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
+ FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
+ FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
+
+ FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
+ FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
+ FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
+ FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
+endif
-ifeq ($(NO_PERF_REGS),0)
- CFLAGS += -DHAVE_PERF_REGS_SUPPORT
+ifdef CSINCLUDES
+ LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
+endif
+OPENCSDLIBS := -lopencsd_c_api -lopencsd
+ifeq ($(findstring -static,${LDFLAGS}),-static)
+ OPENCSDLIBS += -lstdc++
endif
+ifdef CSLIBS
+ LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
+endif
+FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
# for linking with debug library, run like:
# make DEBUG=1 LIBDW_DIR=/opt/libdw/
@@ -103,8 +184,25 @@ ifdef LIBDW_DIR
LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
endif
-FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
-FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
+DWARFLIBS := -ldw
+ifeq ($(findstring -static,${LDFLAGS}),-static)
+ DWARFLIBS += -lelf -lz -llzma -lbz2
+
+ LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0
+ LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION)))
+ LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION)))
+
+ # Elfutils merged libebl.a into libdw.a starting from version 0.177,
+ # Link libebl.a only if libdw is older than this version.
+ ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0)
+ DWARFLIBS += -lebl
+ endif
+
+ # Must put -ldl after -lebl for dependency
+ DWARFLIBS += -ldl
+endif
+FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS)
# for linking with debug library, run like:
# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
@@ -115,28 +213,56 @@ endif
FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
-FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi
-# include ARCH specific config
--include $(src-perf)/arch/$(ARCH)/Makefile
+# for linking with debug library, run like:
+# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/
+ifdef LIBCAPSTONE_DIR
+ LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include
+ LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/
+endif
+FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone
+
+ifdef LIBZSTD_DIR
+ LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
+ LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
+endif
+FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
+
+# for linking with debug library, run like:
+# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig
-ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
- CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
+ifneq ($(NO_LIBTRACEEVENT),1)
+ ifeq ($(call get-executable,$(PKG_CONFIG)),)
+ $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it)
+ endif
endif
+FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
+# include ARCH specific config
+-include $(src-perf)/arch/$(SRCARCH)/Makefile
+
include $(srctree)/tools/scripts/utilities.mak
ifeq ($(call get-executable,$(FLEX)),)
- dummy := $(error Error: $(FLEX) is missing on this system, please install it)
+ $(error Error: $(FLEX) is missing on this system, please install it)
endif
ifeq ($(call get-executable,$(BISON)),)
- dummy := $(error Error: $(BISON) is missing on this system, please install it)
+ $(error Error: $(BISON) is missing on this system, please install it)
+endif
+
+ifneq ($(OUTPUT),)
+ ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
+ BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
+ endif
endif
# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)
- CFLAGS += -Werror
+ CORE_CFLAGS += -Werror
CXXFLAGS += -Werror
+ HOSTCFLAGS += -Werror
endif
ifndef DEBUG
@@ -144,11 +270,11 @@ ifndef DEBUG
endif
ifeq ($(DEBUG),0)
-ifeq ($(CC), clang)
- CFLAGS += -O3
+CORE_CFLAGS += -DNDEBUG=1
+CORE_CFLAGS += -O3
else
- CFLAGS += -O6
-endif
+ CORE_CFLAGS += -g
+ CXXFLAGS += -g
endif
ifdef PARSER_DEBUG
@@ -159,44 +285,87 @@ ifdef PARSER_DEBUG
$(call detected_var,PARSER_DEBUG_FLEX)
endif
+ifdef LTO
+ CORE_CFLAGS += -flto
+ CXXFLAGS += -flto
+endif
+
# Try different combinations to accommodate systems that only have
-# python[2][-config] in weird combinations but always preferring
-# python2 and python2-config as per pep-0394. If we catch a
-# python[-config] in version 3, the version check will kill it.
-PYTHON2 := $(if $(call get-executable,python2),python2,python)
-override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
-PYTHON2_CONFIG := \
- $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
-override PYTHON_CONFIG := \
- $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
+# python[2][3]-config in weird combinations in the following order of
+# priority from lowest to highest:
+# * python2-config as per pep-0394.
+# * python-config
+# * python3-config
+# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
+#
+PYTHON_AUTO := python-config
+PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
+PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
+PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
+
+# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
+# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
+ifdef PYTHON
+ ifndef PYTHON_CONFIG
+ PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
+ PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
+ $(call $(error $(PYTHON)-config not found)))
+ endif
+endif
+
+# Select either auto detected python and python-config or use user supplied values if they are
+# defined. get-executable-or-default fails with an error if the first argument is supplied but
+# doesn't exist.
+override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
+override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
+
+grep-libs = $(filter -l%,$(1))
+strip-libs = $(filter-out -l%,$(1))
PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
-PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
-PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
+# Python 3.8 changed the output of `python-config --ldflags` to not include the
+# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
+# libpython fails if that flag is not included in LDFLAGS
+ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
+ PYTHON_CONFIG_LDFLAGS := --ldflags --embed
+else
+ PYTHON_CONFIG_LDFLAGS := --ldflags
+endif
-ifeq ($(CC), clang)
- PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
+ifdef PYTHON_CONFIG
+ PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
+ # Update the python flags for cross compilation
+ ifdef CROSS_COMPILE
+ PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/')
+ PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS))
+ endif
+ PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
+ PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
+ PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
+ FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
+ ifeq ($(CC_NO_CLANG), 0)
+ PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
+ endif
endif
FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
-FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
-FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
-CFLAGS += -fno-omit-frame-pointer
-CFLAGS += -ggdb3
-CFLAGS += -funwind-tables
-CFLAGS += -Wall
-CFLAGS += -Wextra
-CFLAGS += -std=gnu99
+FEATURE_CHECK_LDFLAGS-libaio = -lrt
-CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
+CORE_CFLAGS += -fno-omit-frame-pointer
+CORE_CFLAGS += -Wall
+CORE_CFLAGS += -Wextra
+CORE_CFLAGS += -std=gnu11
+
+CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti
CXXFLAGS += -Wall
+CXXFLAGS += -Wextra
CXXFLAGS += -fno-omit-frame-pointer
-CXXFLAGS += -ggdb3
-CXXFLAGS += -funwind-tables
-CXXFLAGS += -Wno-strict-aliasing
+
+HOSTCFLAGS += -Wall
+HOSTCFLAGS += -Wextra
# Enforce a non-executable stack, as we may regress (again) in the future by
# adding assembler files missing the .GNU-stack linker note.
@@ -204,29 +373,37 @@ LDFLAGS += -Wl,-z,noexecstack
EXTLIBS = -lpthread -lrt -lm -ldl
+ifneq ($(TCMALLOC),)
+ CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
+ EXTLIBS += -ltcmalloc
+endif
+
ifeq ($(FEATURES_DUMP),)
+# We will display at the end of this Makefile.config, using $(call feature_display_entries)
+# As we may retry some feature detection here, see the disassembler-four-args case, for instance
+ FEATURE_DISPLAY_DEFERRED := 1
include $(srctree)/tools/build/Makefile.feature
else
include $(FEATURES_DUMP)
endif
ifeq ($(feature-stackprotector-all), 1)
- CFLAGS += -fstack-protector-all
+ CORE_CFLAGS += -fstack-protector-all
endif
ifeq ($(DEBUG),0)
ifeq ($(feature-fortify-source), 1)
- CFLAGS += -D_FORTIFY_SOURCE=2
+ CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
endif
endif
INC_FLAGS += -I$(src-perf)/util/include
-INC_FLAGS += -I$(src-perf)/arch/$(ARCH)/include
-INC_FLAGS += -I$(srctree)/tools/include/uapi
+INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
INC_FLAGS += -I$(srctree)/tools/include/
-INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi
-INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/
-INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/
+INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
+INC_FLAGS += -I$(srctree)/tools/include/uapi
+INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
+INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
# $(obj-perf) for generated common-cmds.h
# $(obj-perf)/util for generated bison/flex headers
@@ -237,36 +414,51 @@ endif
INC_FLAGS += -I$(src-perf)/util
INC_FLAGS += -I$(src-perf)
-INC_FLAGS += -I$(srctree)/tools/lib/
-CFLAGS += $(INC_FLAGS)
-CXXFLAGS += $(INC_FLAGS)
+CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
-CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
+CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
+CXXFLAGS += $(INC_FLAGS)
-ifeq ($(feature-sync-compare-and-swap), 1)
- CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
-endif
+LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
ifeq ($(feature-pthread-attr-setaffinity-np), 1)
CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
endif
+ifeq ($(feature-pthread-barrier), 1)
+ CFLAGS += -DHAVE_PTHREAD_BARRIER
+endif
+
ifndef NO_BIONIC
$(call feature_check,bionic)
ifeq ($(feature-bionic), 1)
BIONIC := 1
+ CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
+ CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
endif
endif
+ifeq ($(feature-eventfd), 1)
+ CFLAGS += -DHAVE_EVENTFD_SUPPORT
+endif
+
+ifeq ($(feature-gettid), 1)
+ CFLAGS += -DHAVE_GETTID
+endif
+
+ifeq ($(feature-file-handle), 1)
+ CFLAGS += -DHAVE_FILE_HANDLE
+endif
+
ifdef NO_LIBELF
- NO_DWARF := 1
- NO_DEMANGLE := 1
+ NO_LIBDW := 1
NO_LIBUNWIND := 1
NO_LIBDW_DWARF_UNWIND := 1
NO_LIBBPF := 1
+ NO_JVMTI := 1
else
ifeq ($(feature-libelf), 0)
ifeq ($(feature-glibc), 1)
@@ -276,60 +468,99 @@ else
LIBC_SUPPORT := 1
endif
ifeq ($(LIBC_SUPPORT),1)
- msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel);
-
- NO_LIBELF := 1
- NO_DWARF := 1
- NO_DEMANGLE := 1
- NO_LIBUNWIND := 1
- NO_LIBDW_DWARF_UNWIND := 1
- NO_LIBBPF := 1
+ $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.)
else
+ ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
+ ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
+ $(error No libasan found, please install libasan)
+ endif
+ endif
+
+ ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
+ ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
+ $(error No libubsan found, please install libubsan)
+ endif
+ endif
+
ifneq ($(filter s% -static%,$(LDFLAGS),),)
- msg := $(error No static glibc found, please install glibc-static);
+ $(error No static glibc found, please install glibc-static)
else
- msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
+ $(error No gnu/libc-version.h found, please install glibc-dev[el])
endif
endif
else
- ifndef NO_LIBDW_DWARF_UNWIND
- ifneq ($(feature-libdw-dwarf-unwind),1)
- NO_LIBDW_DWARF_UNWIND := 1
- msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
+ ifneq ($(feature-libdw), 1)
+ ifndef NO_LIBDW
+ $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev)
+ NO_LIBDW := 1
endif
- endif
- ifneq ($(feature-dwarf), 1)
- ifndef NO_DWARF
- msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
- NO_DWARF := 1
- endif
- else
- ifneq ($(feature-dwarf_getlocations), 1)
- msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
- else
- CFLAGS += -DHAVE_DWARF_GETLOCATIONS
- endif # dwarf_getlocations
endif # Dwarf support
endif # libelf support
endif # NO_LIBELF
-ifdef NO_DWARF
+ifeq ($(feature-libaio), 1)
+ ifndef NO_AIO
+ CFLAGS += -DHAVE_AIO_SUPPORT
+ endif
+endif
+
+ifdef NO_LIBDW
NO_LIBDW_DWARF_UNWIND := 1
endif
+ifeq ($(feature-scandirat), 1)
+ # Ignore having scandirat with memory sanitizer that lacks an interceptor.
+ ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),)
+ CFLAGS += -DHAVE_SCANDIRAT_SUPPORT
+ endif
+endif
+
ifeq ($(feature-sched_getcpu), 1)
CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
endif
+ifeq ($(feature-setns), 1)
+ CFLAGS += -DHAVE_SETNS_SUPPORT
+ $(call detected,CONFIG_SETNS)
+endif
+
+ifeq ($(feature-reallocarray), 0)
+ CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
+endif
+
+ifdef CORESIGHT
+ $(call feature_check,libopencsd)
+ ifeq ($(feature-libopencsd), 1)
+ CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
+ LDFLAGS += $(LIBOPENCSD_LDFLAGS)
+ EXTLIBS += $(OPENCSDLIBS)
+ $(call detected,CONFIG_LIBOPENCSD)
+ ifdef CSTRACE_RAW
+ CFLAGS += -DCS_DEBUG_RAW
+ ifeq (${CSTRACE_RAW}, packed)
+ CFLAGS += -DCS_RAW_PACKED
+ endif
+ endif
+ else
+ $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
+ endif
+endif
+
+ifndef NO_ZLIB
+ ifeq ($(feature-zlib), 1)
+ CFLAGS += -DHAVE_ZLIB_SUPPORT
+ EXTLIBS += -lz
+ $(call detected,CONFIG_ZLIB)
+ else
+ NO_ZLIB := 1
+ endif
+endif
+
ifndef NO_LIBELF
CFLAGS += -DHAVE_LIBELF_SUPPORT
EXTLIBS += -lelf
$(call detected,CONFIG_LIBELF)
- ifeq ($(feature-libelf-mmap), 1)
- CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
- endif
-
ifeq ($(feature-libelf-getphdrnum), 1)
CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
endif
@@ -337,52 +568,69 @@ ifndef NO_LIBELF
ifeq ($(feature-libelf-gelf_getnote), 1)
CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
else
- msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
+ $(warning gelf_getnote() not found on libelf, SDT support disabled)
endif
ifeq ($(feature-libelf-getshdrstrndx), 1)
CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
endif
- ifndef NO_DWARF
- ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
- msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
- NO_DWARF := 1
+ ifeq ($(feature-libelf-zstd), 1)
+ ifdef NO_LIBZSTD
+ $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD)
+ endif
+ endif
+
+ ifndef NO_LIBDEBUGINFOD
+ $(call feature_check,libdebuginfod)
+ ifeq ($(feature-libdebuginfod), 1)
+ CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
+ EXTLIBS += -ldebuginfod
else
- CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
- LDFLAGS += $(LIBDW_LDFLAGS)
- DWARFLIBS := -ldw
- ifeq ($(findstring -static,${LDFLAGS}),-static)
- DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
- endif
- EXTLIBS += ${DWARFLIBS}
- $(call detected,CONFIG_DWARF)
- endif # PERF_HAVE_DWARF_REGS
- endif # NO_DWARF
+ $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent)
+ endif
+ endif
+
+ ifndef NO_LIBDW
+ CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS)
+ LDFLAGS += $(LIBDW_LDFLAGS)
+ EXTLIBS += ${DWARFLIBS}
+ $(call detected,CONFIG_LIBDW)
+ endif # NO_LIBDW
ifndef NO_LIBBPF
ifeq ($(feature-bpf), 1)
- CFLAGS += -DHAVE_LIBBPF_SUPPORT
- $(call detected,CONFIG_LIBBPF)
- endif
-
- ifndef NO_DWARF
- ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
- CFLAGS += -DHAVE_BPF_PROLOGUE
- $(call detected,CONFIG_BPF_PROLOGUE)
+ # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
+ $(call feature_check,libbpf)
+
+ ifdef LIBBPF_DYNAMIC
+ ifeq ($(feature-libbpf), 1)
+ EXTLIBS += -lbpf
+ CFLAGS += -DHAVE_LIBBPF_SUPPORT
+ $(call detected,CONFIG_LIBBPF)
+ $(call detected,CONFIG_LIBBPF_DYNAMIC)
+ else
+ $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel)
+ endif
else
- msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
+ ifeq ($(NO_ZLIB), 1)
+ $(warning Warning: Statically building libbpf not possible as zlib is missing)
+ NO_LIBBPF := 1
+ else
+ # Libbpf will be built as a static library from tools/lib/bpf.
+ LIBBPF_STATIC := 1
+ $(call detected,CONFIG_LIBBPF)
+ CFLAGS += -DHAVE_LIBBPF_SUPPORT
+ LIBBPF_INCLUDE = $(LIBBPF_DIR)/..
+ endif
endif
- else
- msg := $(warning DWARF support is off, BPF prologue is disabled);
endif
-
endif # NO_LIBBPF
endif # NO_LIBELF
ifndef NO_SDT
ifneq ($(feature-sdt), 1)
- msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
+ $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev)
NO_SDT := 1;
else
CFLAGS += -DHAVE_SDT_EVENT
@@ -397,8 +645,8 @@ ifdef PERF_HAVE_JITDUMP
endif
endif
-ifeq ($(ARCH),powerpc)
- ifndef NO_DWARF
+ifeq ($(SRCARCH),powerpc)
+ ifndef NO_LIBDW
CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
endif
endif
@@ -406,6 +654,9 @@ endif
ifndef NO_LIBUNWIND
have_libunwind :=
+ $(call feature_check,libunwind)
+
+ $(call feature_check,libunwind-x86)
ifeq ($(feature-libunwind-x86), 1)
$(call detected,CONFIG_LIBUNWIND_X86)
CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
@@ -414,6 +665,7 @@ ifndef NO_LIBUNWIND
have_libunwind = 1
endif
+ $(call feature_check,libunwind-aarch64)
ifeq ($(feature-libunwind-aarch64), 1)
$(call detected,CONFIG_LIBUNWIND_AARCH64)
CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
@@ -422,13 +674,13 @@ ifndef NO_LIBUNWIND
have_libunwind = 1
$(call feature_check,libunwind-debug-frame-aarch64)
ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
- msg := $(warning No debug_frame support found in libunwind-aarch64);
+ $(warning No debug_frame support found in libunwind-aarch64)
CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
endif
endif
ifneq ($(feature-libunwind), 1)
- msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
+ $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR and set LIBUNWIND=1 in the make command line as it is opt-in now)
NO_LOCAL_LIBUNWIND := 1
else
have_libunwind := 1
@@ -444,18 +696,61 @@ endif
ifndef NO_LIBBPF
ifneq ($(feature-bpf), 1)
- msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
+ $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
NO_LIBBPF := 1
endif
endif
+ifndef BUILD_BPF_SKEL
+ # BPF skeletons control a large number of perf features, by default
+ # they are enabled.
+ BUILD_BPF_SKEL := 1
+endif
+
+ifeq ($(BUILD_BPF_SKEL),1)
+ ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
+ $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
+ BUILD_BPF_SKEL := 0
+ else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
+ $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
+ BUILD_BPF_SKEL := 0
+ else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
+ $(warning Warning: Disabled BPF skeletons as libbpf is required)
+ BUILD_BPF_SKEL := 0
+ else ifeq ($(call get-executable,$(CLANG)),)
+ $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
+ BUILD_BPF_SKEL := 0
+ else
+ CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
+ ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1)
+ $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1)
+ BUILD_BPF_SKEL := 0
+ endif
+ endif
+ ifeq ($(BUILD_BPF_SKEL),1)
+ $(call feature_check,clang-bpf-co-re)
+ ifeq ($(feature-clang-bpf-co-re), 0)
+ $(warning Warning: Disabled BPF skeletons as clang is too old)
+ BUILD_BPF_SKEL := 0
+ endif
+ endif
+ ifeq ($(BUILD_BPF_SKEL),1)
+ $(call detected,CONFIG_PERF_BPF_SKEL)
+ CFLAGS += -DHAVE_BPF_SKEL
+ endif
+endif
+
+ifndef GEN_VMLINUX_H
+ VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
+endif
+
dwarf-post-unwind := 1
dwarf-post-unwind-text := BUG
# setup DWARF post unwinder
ifdef NO_LIBUNWIND
ifdef NO_LIBDW_DWARF_UNWIND
- msg := $(warning Disabling post unwind, no support found.);
+ $(warning Disabling post unwind, no support found.)
dwarf-post-unwind := 0
else
dwarf-post-unwind-text := libdw
@@ -473,77 +768,57 @@ endif
ifeq ($(dwarf-post-unwind),1)
CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
$(call detected,CONFIG_DWARF_UNWIND)
-else
- NO_DWARF_UNWIND := 1
endif
-ifndef NO_LOCAL_LIBUNWIND
- ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
- $(call feature_check,libunwind-debug-frame)
- ifneq ($(feature-libunwind-debug-frame), 1)
- msg := $(warning No debug_frame support found in libunwind);
+ifndef NO_LIBUNWIND
+ ifndef NO_LOCAL_LIBUNWIND
+ ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
+ $(call feature_check,libunwind-debug-frame)
+ ifneq ($(feature-libunwind-debug-frame), 1)
+ $(warning No debug_frame support found in libunwind)
+ CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
+ endif
+ else
+ # non-ARM has no dwarf_find_debug_frame() function:
CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
endif
- else
- # non-ARM has no dwarf_find_debug_frame() function:
- CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
+ EXTLIBS += $(LIBUNWIND_LIBS)
+ LDFLAGS += $(LIBUNWIND_LIBS)
+ endif
+ ifeq ($(findstring -static,${LDFLAGS}),-static)
+ # gcc -static links libgcc_eh which contans piece of libunwind
+ LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
endif
- EXTLIBS += $(LIBUNWIND_LIBS)
- LDFLAGS += $(LIBUNWIND_LIBS)
-endif
-
-ifndef NO_LIBUNWIND
CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
CFLAGS += $(LIBUNWIND_CFLAGS)
LDFLAGS += $(LIBUNWIND_LDFLAGS)
EXTLIBS += $(EXTLIBS_LIBUNWIND)
endif
-ifndef NO_LIBAUDIT
- ifneq ($(feature-libaudit), 1)
- msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
- NO_LIBAUDIT := 1
- else
- CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
- EXTLIBS += -laudit
- $(call detected,CONFIG_AUDIT)
- endif
-endif
-
-ifndef NO_LIBCRYPTO
- ifneq ($(feature-libcrypto), 1)
- msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
- NO_LIBCRYPTO := 1
- else
- CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
- EXTLIBS += -lcrypto
- $(call detected,CONFIG_CRYPTO)
- endif
-endif
-
-ifdef NO_NEWT
- NO_SLANG=1
+ifneq ($(NO_LIBTRACEEVENT),1)
+ $(call detected,CONFIG_TRACE)
endif
ifndef NO_SLANG
ifneq ($(feature-libslang), 1)
- msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
+ $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev)
NO_SLANG := 1
- else
- # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
- CFLAGS += -I/usr/include/slang
+ endif
+ ifndef NO_SLANG
CFLAGS += -DHAVE_SLANG_SUPPORT
EXTLIBS += -lslang
$(call detected,CONFIG_SLANG)
endif
endif
-ifndef NO_GTK2
+ifdef GTK2
FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
+ $(call feature_check,gtk2)
ifneq ($(feature-gtk2), 1)
- msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
+ $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev)
NO_GTK2 := 1
else
+ $(call feature_check,gtk2-infobar)
ifeq ($(feature-gtk2-infobar), 1)
GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
endif
@@ -554,25 +829,23 @@ ifndef NO_GTK2
endif
endif
-grep-libs = $(filter -l%,$(1))
-strip-libs = $(filter-out -l%,$(1))
-
-ifdef NO_LIBPERL
- CFLAGS += -DNO_LIBPERL
-else
+ifdef LIBPERL
PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
- PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
+ PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
+ PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
+ PERL_EMBED_CCOPTS := $(filter-out -flto% -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
+ PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
+ $(call feature_check,libperl)
ifneq ($(feature-libperl), 1)
- CFLAGS += -DNO_LIBPERL
- NO_LIBPERL := 1
- msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
+ $(error Missing perl devel files. Please install perl-ExtUtils-Embed/libperl-dev)
else
LDFLAGS += $(PERL_EMBED_LDFLAGS)
EXTLIBS += $(PERL_EMBED_LIBADD)
+ CFLAGS += -DHAVE_LIBPERL_SUPPORT
$(call detected,CONFIG_LIBPERL)
endif
endif
@@ -580,7 +853,7 @@ endif
ifeq ($(feature-timerfd), 1)
CFLAGS += -DHAVE_TIMERFD_SUPPORT
else
- msg := $(warning No timerfd support. Disables 'perf kvm stat live');
+ $(warning No timerfd support. Disables 'perf kvm stat live')
endif
disable-python = $(eval $(disable-python_code))
@@ -590,6 +863,7 @@ define disable-python_code
NO_LIBPYTHON := 1
endef
+PYTHON_EXTENSION_SUFFIX := '.so'
ifdef NO_LIBPYTHON
$(call disable-python,Python support disabled by user)
else
@@ -603,99 +877,139 @@ else
$(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
else
- PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
-
- PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
- PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
- PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
- PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
- ifeq ($(CC), clang)
- PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
- endif
- FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
-
ifneq ($(feature-libpython), 1)
- $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
+ $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
else
-
- ifneq ($(feature-libpython-version), 1)
- $(warning Python 3 is not yet supported; please set)
- $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
- $(warning If you also have Python 2 installed, then)
- $(warning try something like:)
- $(warning $(and ,))
- $(warning $(and ,) make PYTHON=python2)
- $(warning $(and ,))
- $(warning Otherwise, disable Python support entirely:)
- $(warning $(and ,))
- $(warning $(and ,) make NO_LIBPYTHON=1)
- $(warning $(and ,))
- $(error $(and ,))
- else
- LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
- EXTLIBS += $(PYTHON_EMBED_LIBADD)
- LANG_BINDINGS += $(obj-perf)python/perf.so
- $(call detected,CONFIG_LIBPYTHON)
- endif
+ LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
+ EXTLIBS += $(PYTHON_EMBED_LIBADD)
+ PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
+ ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
+ PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
+ ifdef CROSS_COMPILE
+ PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX))
+ endif
+ LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
+ else
+ $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent)
+ endif
+ CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
+ $(call detected,CONFIG_LIBPYTHON)
+ ifeq ($(filter -fPIC,$(CFLAGS)),)
+ # Building a shared library requires position independent code.
+ CFLAGS += -fPIC
+ CXXFLAGS += -fPIC
+ endif
endif
endif
endif
endif
-ifeq ($(feature-libbfd), 1)
- EXTLIBS += -lbfd
-
- # call all detections now so we get correct
- # status in VF output
- $(call feature_check,liberty)
- $(call feature_check,liberty-z)
- $(call feature_check,cplus-demangle)
-
- ifeq ($(feature-liberty), 1)
- EXTLIBS += -liberty
+ifneq ($(NO_JEVENTS),1)
+ ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
+ NO_JEVENTS := 1
+ endif
+endif
+ifneq ($(NO_JEVENTS),1)
+ NO_JEVENTS := 0
+ ifndef PYTHON
+ $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.)
else
- ifeq ($(feature-liberty-z), 1)
- EXTLIBS += -liberty -lz
+ # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
+ JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null)
+ ifneq ($(JEVENTS_PYTHON_GOOD), 1)
+ $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.)
endif
endif
endif
-ifdef NO_DEMANGLE
- CFLAGS += -DNO_DEMANGLE
-else
- ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
- EXTLIBS += -liberty
- CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
+ifdef BUILD_NONDISTRO
+ $(call feature_check,libbfd)
+
+ ifeq ($(feature-libbfd), 1)
+ EXTLIBS += -lbfd -lopcodes
+ FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
+ FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
else
- ifneq ($(feature-libbfd), 1)
- ifneq ($(feature-liberty), 1)
- ifneq ($(feature-liberty-z), 1)
- # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
- # or any of 'bfd iberty z' trinity
- ifeq ($(feature-cplus-demangle), 1)
- EXTLIBS += -liberty
- CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
- else
- msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
- CFLAGS += -DNO_DEMANGLE
- endif
- endif
+ # we are on a system that requires -liberty and (maybe) -lz
+ # to link against -lbfd; test each case individually here
+
+ # call all detections now so we get correct
+ # status in VF output
+ $(call feature_check,libbfd-liberty)
+ $(call feature_check,libbfd-liberty-z)
+
+ ifeq ($(feature-libbfd-liberty), 1)
+ EXTLIBS += -lbfd -lopcodes -liberty
+ FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
+ FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
+ else
+ ifeq ($(feature-libbfd-liberty-z), 1)
+ EXTLIBS += -lbfd -lopcodes -liberty -lz
+ FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
+ FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
endif
endif
+ $(call feature_check,disassembler-four-args)
+ $(call feature_check,disassembler-init-styled)
endif
-endif
-ifneq ($(filter -lbfd,$(EXTLIBS)),)
CFLAGS += -DHAVE_LIBBFD_SUPPORT
+ CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
+ $(call detected,CONFIG_LIBBFD)
+
+ $(call feature_check,libbfd-buildid)
+
+ ifeq ($(feature-libbfd-buildid), 1)
+ CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
+ else
+ $(warning Old version of libbfd/binutils things like PE executable profiling will not be available)
+ endif
+
+ ifeq ($(feature-disassembler-four-args), 1)
+ CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
+ endif
+
+ ifeq ($(feature-disassembler-init-styled), 1)
+ CFLAGS += -DDISASM_INIT_STYLED
+ endif
endif
-ifndef NO_ZLIB
- ifeq ($(feature-zlib), 1)
- CFLAGS += -DHAVE_ZLIB_SUPPORT
- EXTLIBS += -lz
- $(call detected,CONFIG_ZLIB)
+ifndef NO_LIBLLVM
+ $(call feature_check,llvm-perf)
+ ifeq ($(feature-llvm-perf), 1)
+ CFLAGS += -DHAVE_LIBLLVM_SUPPORT
+ CFLAGS += $(shell $(LLVM_CONFIG) --cflags)
+ CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT
+ CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags)
+ LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs)
+ EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM)
+ EXTLIBS += -lstdc++
+ $(call detected,CONFIG_LIBLLVM)
else
- NO_ZLIB := 1
+ $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev)
+ NO_LIBLLVM := 1
+ endif
+endif
+
+ifndef NO_DEMANGLE
+ $(call feature_check,cxa-demangle)
+ ifeq ($(feature-cxa-demangle), 1)
+ EXTLIBS += -lstdc++
+ CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
+ CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
+ $(call detected,CONFIG_CXX_DEMANGLE)
+ endif
+ ifdef BUILD_NONDISTRO
+ ifeq ($(filter -liberty,$(EXTLIBS)),)
+ $(call feature_check,cplus-demangle)
+ ifeq ($(feature-cplus-demangle), 1)
+ EXTLIBS += -liberty
+ endif
+ endif
+ ifneq ($(filter -liberty,$(EXTLIBS)),)
+ CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
+ CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
+ endif
endif
endif
@@ -705,11 +1019,24 @@ ifndef NO_LZMA
EXTLIBS += -llzma
$(call detected,CONFIG_LZMA)
else
- msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
+ $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev)
NO_LZMA := 1
endif
endif
+ifndef NO_LIBZSTD
+ ifeq ($(feature-libzstd), 1)
+ CFLAGS += -DHAVE_ZSTD_SUPPORT
+ CFLAGS += $(LIBZSTD_CFLAGS)
+ LDFLAGS += $(LIBZSTD_LDFLAGS)
+ EXTLIBS += -lzstd
+ $(call detected,CONFIG_ZSTD)
+ else
+ $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR)
+ NO_LIBZSTD := 1
+ endif
+endif
+
ifndef NO_BACKTRACE
ifeq ($(feature-backtrace), 1)
CFLAGS += -DHAVE_BACKTRACE_SUPPORT
@@ -718,11 +1045,11 @@ endif
ifndef NO_LIBNUMA
ifeq ($(feature-libnuma), 0)
- msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
+ $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev)
NO_LIBNUMA := 1
else
ifeq ($(feature-numa_num_possible_cpus), 0)
- msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
+ $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8)
NO_LIBNUMA := 1
else
CFLAGS += -DHAVE_LIBNUMA_SUPPORT
@@ -745,7 +1072,7 @@ ifeq (${IS_64_BIT}, 1)
NO_PERF_READ_VDSO32 := 1
endif
endif
- ifneq ($(ARCH), x86)
+ ifneq ($(SRCARCH), x86)
NO_PERF_READ_VDSOX32 := 1
endif
ifndef NO_PERF_READ_VDSOX32
@@ -761,7 +1088,7 @@ else
NO_PERF_READ_VDSOX32 := 1
endif
-ifdef LIBBABELTRACE
+ifndef NO_LIBBABELTRACE
$(call feature_check,libbabeltrace)
ifeq ($(feature-libbabeltrace), 1)
CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
@@ -769,29 +1096,33 @@ ifdef LIBBABELTRACE
EXTLIBS += -lbabeltrace-ctf
$(call detected,CONFIG_LIBBABELTRACE)
else
- msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
+ $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev)
endif
endif
-ifndef NO_AUXTRACE
- ifeq ($(ARCH),x86)
- ifeq ($(feature-get_cpuid), 0)
- msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
- NO_AUXTRACE := 1
- endif
- endif
- ifndef NO_AUXTRACE
- $(call detected,CONFIG_AUXTRACE)
- CFLAGS += -DHAVE_AUXTRACE_SUPPORT
+ifndef NO_CAPSTONE
+ $(call feature_check,libcapstone)
+ ifeq ($(feature-libcapstone), 1)
+ CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS)
+ LDFLAGS += $(LICAPSTONE_LDFLAGS)
+ EXTLIBS += -lcapstone
+ $(call detected,CONFIG_LIBCAPSTONE)
+ else
+ msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel);
endif
endif
+ifdef EXTRA_TESTS
+ $(call detected,CONFIG_EXTRA_TESTS)
+ CFLAGS += -DHAVE_EXTRA_TESTS
+endif
+
ifndef NO_JVMTI
ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
else
ifneq (,$(wildcard /usr/sbin/alternatives))
- JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
+ JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
endif
endif
ifndef JDIR
@@ -805,45 +1136,53 @@ ifndef NO_JVMTI
$(call feature_check,jvmti)
ifeq ($(feature-jvmti), 1)
$(call detected_var,JDIR)
+ ifndef NO_JVMTI_CMLR
+ FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
+ $(call feature_check,jvmti-cmlr)
+ ifeq ($(feature-jvmti-cmlr), 1)
+ CFLAGS += -DHAVE_JVMTI_CMLR
+ endif
+ endif # NO_JVMTI_CMLR
else
- $(warning No openjdk development package found, please install JDK package)
+ $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-latest-openjdk-devel)
NO_JVMTI := 1
endif
endif
-USE_CXX = 0
-USE_CLANGLLVM = 0
-ifdef LIBCLANGLLVM
- $(call feature_check,cxx)
- ifneq ($(feature-cxx), 1)
- msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
+ifndef NO_LIBPFM4
+ $(call feature_check,libpfm4)
+ ifeq ($(feature-libpfm4), 1)
+ CFLAGS += -DHAVE_LIBPFM
+ EXTLIBS += -lpfm
+ ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
+ $(call detected,CONFIG_LIBPFM4)
else
- $(call feature_check,llvm)
- $(call feature_check,llvm-version)
- ifneq ($(feature-llvm), 1)
- msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
- else
- $(call feature_check,clang)
- ifneq ($(feature-clang), 1)
- msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
- else
- CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
- CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
- $(call detected,CONFIG_CXX)
- $(call detected,CONFIG_CLANGLLVM)
- USE_CXX = 1
- USE_LLVM = 1
- USE_CLANG = 1
- ifneq ($(feature-llvm-version),1)
- msg := $(warning This version of LLVM is not tested. May cause build errors)
- endif
- endif
- endif
+ $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm-devel or libpfm4-dev)
+ endif
+endif
+
+# libtraceevent is a recommended dependency picked up from the system.
+ifneq ($(NO_LIBTRACEEVENT),1)
+ ifeq ($(feature-libtraceevent), 1)
+ CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent)
+ LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent)
+ EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent)
+ LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0
+ LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
+ LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
+ LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
+ LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
+ CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
+ $(call detected,CONFIG_LIBTRACEEVENT)
+ else
+ $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1)
endif
endif
# Among the variables below, these:
# perfexecdir
+# libbpf_include_dir
+# perf_examples_dir
# template_dir
# mandir
# infodir
@@ -860,9 +1199,14 @@ prefix ?= $(HOME)
endif
bindir_relative = bin
bindir = $(abspath $(prefix)/$(bindir_relative))
+includedir_relative = include
+includedir = $(abspath $(prefix)/$(includedir_relative))
mandir = share/man
infodir = share/info
perfexecdir = libexec/perf-core
+# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
+libbpf_include_dir = /usr/include
+perf_examples_dir = lib/perf/examples
sharedir = $(prefix)/share
template_dir = share/perf-core/templates
STRACE_GROUPS_DIR = share/perf-core/strace/groups
@@ -877,7 +1221,7 @@ sysconfdir = $(prefix)/etc
ETC_PERFCONFIG = etc/perfconfig
endif
ifndef lib
-ifeq ($(ARCH)$(IS_64_BIT), x861)
+ifeq ($(SRCARCH)$(IS_64_BIT), x861)
lib = lib64
else
lib = lib
@@ -890,9 +1234,12 @@ ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
bindir_SQ = $(subst ','\'',$(bindir))
+includedir_SQ = $(subst ','\'',$(includedir))
mandir_SQ = $(subst ','\'',$(mandir))
infodir_SQ = $(subst ','\'',$(infodir))
perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
+libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
+perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
template_dir_SQ = $(subst ','\'',$(template_dir))
htmldir_SQ = $(subst ','\'',$(htmldir))
tipdir_SQ = $(subst ','\'',$(tipdir))
@@ -903,31 +1250,39 @@ srcdir_SQ = $(subst ','\'',$(srcdir))
ifneq ($(filter /%,$(firstword $(perfexecdir))),)
perfexec_instdir = $(perfexecdir)
+perf_include_instdir = $(libbpf_include_dir)
+perf_examples_instdir = $(perf_examples_dir)
STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
tip_instdir = $(tipdir)
else
perfexec_instdir = $(prefix)/$(perfexecdir)
+perf_include_instdir = $(prefix)/$(libbpf_include_dir)
+perf_examples_instdir = $(prefix)/$(perf_examples_dir)
STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
tip_instdir = $(prefix)/$(tipdir)
endif
perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
+perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
+perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
-# If we install to $(HOME) we keep the traceevent default:
-# $(HOME)/.traceevent/plugins
-# Otherwise we install plugins into the global $(libdir).
-ifdef DESTDIR
-plugindir=$(libdir)/traceevent/plugins
-plugindir_SQ= $(subst ','\'',$(plugindir))
-endif
+export perfexec_instdir_SQ
print_var = $(eval $(print_var_code)) $(info $(MSG))
define print_var_code
- MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
+ MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
endef
+ifeq ($(feature_display),1)
+ $(call feature_display_entries)
+endif
+
ifeq ($(VF),1)
+ # Display EXTRA features which are detected manualy
+ # from here with feature_check call and thus cannot
+ # be partof global state output.
+ $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
$(call print_var,prefix)
$(call print_var,bindir)
$(call print_var,libdir)
@@ -937,11 +1292,12 @@ ifeq ($(VF),1)
$(call print_var,JDIR)
ifeq ($(dwarf-post-unwind),1)
- $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
+ $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
endif
- $(info )
endif
+$(info )
+
$(call detected_var,bindir_SQ)
$(call detected_var,PYTHON_WORD)
ifneq ($(OUTPUT),)
@@ -954,9 +1310,20 @@ $(call detected_var,ETC_PERFCONFIG_SQ)
$(call detected_var,STRACE_GROUPS_DIR_SQ)
$(call detected_var,prefix_SQ)
$(call detected_var,perfexecdir_SQ)
+$(call detected_var,libbpf_include_dir_SQ)
+$(call detected_var,perf_examples_dir_SQ)
$(call detected_var,tipdir_SQ)
$(call detected_var,srcdir_SQ)
$(call detected_var,LIBDIR)
$(call detected_var,GTK_CFLAGS)
$(call detected_var,PERL_EMBED_CCOPTS)
$(call detected_var,PYTHON_EMBED_CCOPTS)
+ifneq ($(BISON_FILE_PREFIX_MAP),)
+$(call detected_var,BISON_FILE_PREFIX_MAP)
+endif
+
+# re-generate FEATURE-DUMP as we may have called feature_check, found out
+# extra libraries to add to LDFLAGS of some other test and then redo those
+# tests, see the block about libbfd, disassembler-four-args, for instance.
+$(shell rm -f $(FEATURE_DUMP_FILENAME))
+$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 79fe31f20a17..b3f481a626af 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -1,4 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
include ../scripts/Makefile.include
+include ../scripts/Makefile.arch
# The default target of this Makefile is...
all:
@@ -15,7 +17,7 @@ include ../scripts/utilities.mak
#
# Define CROSS_COMPILE as prefix name of compiler if you want cross-builds.
#
-# Define NO_LIBPERL to disable perl script extension.
+# Define LIBPERL to enable perl script extension.
#
# Define NO_LIBPYTHON to disable python script extension.
#
@@ -33,37 +35,39 @@ include ../scripts/utilities.mak
#
# Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds.
#
-# Define NO_DWARF if you do not want debug-info analysis feature at all.
+# Define EXCLUDE_EXTLIBS=-lmylib to exclude libmylib from the auto-generated
+# EXTLIBS.
#
-# Define WERROR=0 to disable treating any warnings as errors.
+# Define EXTRA_PERFLIBS to pass extra libraries to PERFLIBS.
+#
+# Define NO_LIBDW if you do not want debug-info analysis feature at all.
#
-# Define NO_NEWT if you do not want TUI support. (deprecated)
+# Define WERROR=0 to disable treating any warnings as errors.
#
# Define NO_SLANG if you do not want TUI support.
#
-# Define NO_GTK2 if you do not want GTK+ GUI support.
+# Define GTK2 if you want GTK+ GUI support.
#
# Define NO_DEMANGLE if you do not want C++ symbol demangling.
#
# Define NO_LIBELF if you do not want libelf dependency (e.g. cross-builds)
#
-# Define NO_LIBUNWIND if you do not want libunwind dependency for dwarf
+# Define LIBUNWIND if you do not want libunwind dependency for dwarf
# backtrace post unwind.
#
# Define NO_BACKTRACE if you do not want stack backtrace debug feature
#
# Define NO_LIBNUMA if you do not want numa perf benchmark
#
-# Define NO_LIBAUDIT if you do not want libaudit support
-#
# Define NO_LIBBIONIC if you do not want bionic support
#
-# Define NO_LIBCRYPTO if you do not want libcrypto (openssl) support
-# used for generating build-ids for ELFs generated by jitdump.
-#
# Define NO_LIBDW_DWARF_UNWIND if you do not want libdw support
# for dwarf backtrace post unwind.
#
+# Define NO_LIBTRACEEVENT=1 if you don't want libtraceevent to be linked,
+# this will remove multiple features and tools, such as 'perf trace',
+# that need it to read tracefs event format files, etc.
+#
# Define NO_PERF_READ_VDSO32 if you do not want to build perf-read-vdso32
# for reading the 32-bit compatibility VDSO in 64-bit mode
#
@@ -72,15 +76,18 @@ include ../scripts/utilities.mak
#
# Define NO_ZLIB if you do not want to support compressed kernel modules
#
-# Define LIBBABELTRACE if you DO want libbabeltrace support
+# Define NO_LIBBABELTRACE if you do not want libbabeltrace support
# for CTF data format.
#
-# Define NO_LZMA if you do not want to support compressed (xz) kernel modules
+# Define NO_CAPSTONE if you do not want libcapstone support
+# for disasm engine.
#
-# Define NO_AUXTRACE if you do not want AUX area tracing support
+# Define NO_LZMA if you do not want to support compressed (xz) kernel modules
#
# Define NO_LIBBPF if you do not want BPF support
#
+# Define NO_LIBCAP if you do not want process capabilities considered by perf
+#
# Define NO_SDT if you do not want to define SDT event in perf tools,
# note that it doesn't disable SDT scanning support.
#
@@ -89,9 +96,38 @@ include ../scripts/utilities.mak
#
# Define NO_JVMTI if you do not want jvmti agent built
#
-# Define LIBCLANGLLVM if you DO want builtin clang and llvm support.
-# When selected, pass LLVM_CONFIG=/path/to/llvm-config to `make' if
-# llvm-config is not in $PATH.
+# Define NO_JVMTI_CMLR (debug only) if you do not want to process CMLR
+# data for java source lines.
+#
+# Define CORESIGHT if you DO WANT support for CoreSight trace decoding.
+#
+# Define NO_AIO if you do not want support of Posix AIO based trace
+# streaming for record mode. Currently Posix AIO trace streaming is
+# supported only when linking with glibc.
+#
+# Define NO_LIBZSTD if you do not want support of Zstandard based runtime
+# trace compression in record mode.
+#
+# Define TCMALLOC to enable tcmalloc heap profiling.
+#
+# Define LIBBPF_DYNAMIC to enable libbpf dynamic linking.
+#
+# Define NO_LIBPFM4 to disable libpfm4 events extension.
+#
+# Define NO_LIBDEBUGINFOD if you do not want support debuginfod
+#
+# Set BUILD_BPF_SKEL to 0 to override BUILD_BPF_SKEL and not build BPF skeletons
+#
+# Define BUILD_NONDISTRO to enable building an linking against libbfd and
+# libiberty distribution license incompatible libraries.
+#
+# Define EXTRA_TESTS to enable building extra tests useful mainly to perf
+# developers, such as:
+# x86 instruction decoder - new instructions test
+#
+# Define GEN_VMLINUX_H to generate vmlinux.h from the BTF.
+#
+# Define NO_SHELLCHECK if you do not want to run shellcheck during build
# As per kernel Makefile, avoid funny character set dependencies
unexport LC_ALL
@@ -116,12 +152,8 @@ ifneq ($(OUTPUT),)
# for flex/bison parsers.
VPATH += $(OUTPUT)
export VPATH
-endif
-
-ifeq ($(V),1)
- Q =
-else
- Q = @
+# create symlink to the original source
+SOURCE := $(shell ln -sfn $(srctree)/tools/perf $(OUTPUT)/source)
endif
# Do not use make's built-in rules
@@ -139,39 +171,60 @@ define allow-override
$(eval $(1) = $(2)))
endef
-# Allow setting CC and AR and LD, or setting CROSS_COMPILE as a prefix.
-$(call allow-override,CC,$(CROSS_COMPILE)gcc)
-$(call allow-override,AR,$(CROSS_COMPILE)ar)
-$(call allow-override,LD,$(CROSS_COMPILE)ld)
-$(call allow-override,CXX,$(CROSS_COMPILE)g++)
-
LD += $(EXTRA_LDFLAGS)
HOSTCC ?= gcc
HOSTLD ?= ld
HOSTAR ?= ar
+CLANG ?= clang
-PKG_CONFIG = $(CROSS_COMPILE)pkg-config
-LLVM_CONFIG ?= llvm-config
+# Some distros provide the command $(CROSS_COMPILE)pkg-config for
+# searching packges installed with Multiarch. Use it for cross
+# compilation if it is existed.
+ifneq (, $(shell which $(CROSS_COMPILE)pkg-config))
+ PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config
+else
+ PKG_CONFIG ?= pkg-config
+
+ # PKG_CONFIG_PATH or PKG_CONFIG_LIBDIR, alongside PKG_CONFIG_SYSROOT_DIR
+ # for modified system root, is required for the cross compilation.
+ # If these PKG_CONFIG environment variables are not set, Multiarch library
+ # paths are used instead.
+ ifdef CROSS_COMPILE
+ ifeq ($(PKG_CONFIG_LIBDIR)$(PKG_CONFIG_PATH)$(PKG_CONFIG_SYSROOT_DIR),)
+ CROSS_ARCH = $(notdir $(CROSS_COMPILE:%-=%))
+ PKG_CONFIG_LIBDIR := /usr/local/$(CROSS_ARCH)/lib/pkgconfig/
+ PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/local/lib/$(CROSS_ARCH)/pkgconfig/
+ PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/lib/$(CROSS_ARCH)/pkgconfig/
+ PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/local/share/pkgconfig/
+ PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/share/pkgconfig/
+ export PKG_CONFIG_LIBDIR
+ $(warning Missing PKG_CONFIG_LIBDIR, PKG_CONFIG_PATH and PKG_CONFIG_SYSROOT_DIR for cross compilation,)
+ $(warning set PKG_CONFIG_LIBDIR for using Multiarch libs.)
+ endif
+ endif
+endif
RM = rm -f
LN = ln -f
MKDIR = mkdir
FIND = find
INSTALL = install
-FLEX = flex
-BISON = bison
+FLEX ?= flex
+BISON ?= bison
STRIP = strip
AWK = awk
+READELF ?= readelf
# include Makefile.config by default and rule out
# non-config cases
config := 1
-NON_CONFIG_TARGETS := clean TAGS tags cscope help install-doc install-man install-html install-info install-pdf doc man html info pdf
+NON_CONFIG_TARGETS := clean python-clean TAGS tags cscope help
ifdef MAKECMDGOALS
ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
+ VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
config := 0
endif
endif
@@ -179,19 +232,48 @@ endif
# The fixdep build - we force fixdep tool to be built as
# the first target in the separate make session not to be
# disturbed by any parallel make jobs. Once fixdep is done
-# we issue the requested build with FIXDEP=1 variable.
+# we issue the requested build with FIXDEP_BUILT=1 variable.
#
# The fixdep build is disabled for $(NON_CONFIG_TARGETS)
# targets, because it's not necessary.
-ifdef FIXDEP
+ifdef FIXDEP_BUILT
force_fixdep := 0
else
force_fixdep := $(config)
endif
+# Runs shellcheck on perf shell scripts
+ifeq ($(NO_SHELLCHECK),1)
+ SHELLCHECK :=
+else
+ SHELLCHECK := $(shell which shellcheck 2> /dev/null)
+endif
+
+# shellcheck is using in tools/perf/tests/Build with option -a/--check-sourced (
+# introduced in v0.4.7) and -S/--severity (introduced in v0.6.0). So make the
+# minimal shellcheck version as v0.6.0.
+ifneq ($(SHELLCHECK),)
+ ifeq ($(shell expr $(shell $(SHELLCHECK) --version | grep version: | \
+ sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \< 060), 1)
+ SHELLCHECK :=
+ else
+ SHELLCHECK := $(SHELLCHECK) -s bash -a -S warning
+ endif
+endif
+
+# Runs mypy on perf python files
+ifeq ($(MYPY),1)
+ MYPY := $(shell which mypy 2> /dev/null)
+endif
+
+# Runs pylint on perf python files
+ifeq ($(PYLINT),1)
+ PYLINT := $(shell which pylint 2> /dev/null)
+endif
+
export srctree OUTPUT RM CC CXX LD AR CFLAGS CXXFLAGS V BISON FLEX AWK
-export HOSTCC HOSTLD HOSTAR
+export HOSTCC HOSTLD HOSTAR HOSTCFLAGS SHELLCHECK MYPY PYLINT
include $(srctree)/tools/build/Makefile.include
@@ -202,14 +284,16 @@ $(goals) all: sub-make
sub-make: fixdep
@./check-headers.sh
- $(Q)$(MAKE) FIXDEP=1 -f Makefile.perf $(goals)
+ $(Q)$(MAKE) FIXDEP_BUILT=1 -f Makefile.perf $(goals)
else # force_fixdep
-LIB_DIR = $(srctree)/tools/lib/api/
-TRACE_EVENT_DIR = $(srctree)/tools/lib/traceevent/
-BPF_DIR = $(srctree)/tools/lib/bpf/
-SUBCMD_DIR = $(srctree)/tools/lib/subcmd/
+LIBAPI_DIR = $(srctree)/tools/lib/api/
+LIBBPF_DIR = $(srctree)/tools/lib/bpf/
+LIBSUBCMD_DIR = $(srctree)/tools/lib/subcmd/
+LIBSYMBOL_DIR = $(srctree)/tools/lib/symbol/
+LIBPERF_DIR = $(srctree)/tools/lib/perf/
+DOC_DIR = $(srctree)/tools/perf/Documentation/
# Set FEATURE_TESTS to 'all' so all possible feature checkers are executed.
# Without this setting the output feature dump file misses some features, for
@@ -226,7 +310,7 @@ endif
ifeq ($(config),0)
include $(srctree)/tools/scripts/Makefile.arch
--include arch/$(ARCH)/Makefile
+-include arch/$(SRCARCH)/Makefile
endif
# The FEATURE_DUMP_EXPORT holds location of the actual
@@ -235,7 +319,7 @@ endif
ifeq ($(FEATURES_DUMP),)
FEATURE_DUMP_EXPORT := $(realpath $(OUTPUT)FEATURE-DUMP)
else
-FEATURE_DUMP_EXPORT := $(FEATURES_DUMP)
+FEATURE_DUMP_EXPORT := $(realpath $(FEATURES_DUMP))
endif
export prefix bindir sharedir sysconfdir DESTDIR
@@ -249,39 +333,64 @@ PYRF_OBJS =
SCRIPT_SH =
SCRIPT_SH += perf-archive.sh
-SCRIPT_SH += perf-with-kcore.sh
+SCRIPT_SH += perf-iostat.sh
grep-libs = $(filter -l%,$(1))
strip-libs = $(filter-out -l%,$(1))
ifneq ($(OUTPUT),)
- TE_PATH=$(OUTPUT)
- BPF_PATH=$(OUTPUT)
- SUBCMD_PATH=$(OUTPUT)
-ifneq ($(subdir),)
- API_PATH=$(OUTPUT)/../lib/api/
+ LIBAPI_OUTPUT = $(abspath $(OUTPUT))/libapi
else
- API_PATH=$(OUTPUT)
+ LIBAPI_OUTPUT = $(CURDIR)/libapi
endif
+LIBAPI_DESTDIR = $(LIBAPI_OUTPUT)
+LIBAPI_INCLUDE = $(LIBAPI_DESTDIR)/include
+LIBAPI = $(LIBAPI_OUTPUT)/libapi.a
+export LIBAPI
+CFLAGS += -I$(LIBAPI_OUTPUT)/include
+
+ifneq ($(OUTPUT),)
+ LIBBPF_OUTPUT = $(abspath $(OUTPUT))/libbpf
else
- TE_PATH=$(TRACE_EVENT_DIR)
- API_PATH=$(LIB_DIR)
- BPF_PATH=$(BPF_DIR)
- SUBCMD_PATH=$(SUBCMD_DIR)
+ LIBBPF_OUTPUT = $(CURDIR)/libbpf
+endif
+ifdef LIBBPF_STATIC
+ LIBBPF_DESTDIR = $(LIBBPF_OUTPUT)
+ LIBBPF_INCLUDE = $(LIBBPF_DESTDIR)/include
+ LIBBPF = $(LIBBPF_OUTPUT)/libbpf.a
+ CFLAGS += -I$(LIBBPF_OUTPUT)/include
endif
-LIBTRACEEVENT = $(TE_PATH)libtraceevent.a
-export LIBTRACEEVENT
-
-LIBTRACEEVENT_DYNAMIC_LIST = $(TE_PATH)libtraceevent-dynamic-list
-LIBTRACEEVENT_DYNAMIC_LIST_LDFLAGS = -Xlinker --dynamic-list=$(LIBTRACEEVENT_DYNAMIC_LIST)
-
-LIBAPI = $(API_PATH)libapi.a
-export LIBAPI
+ifneq ($(OUTPUT),)
+ LIBSUBCMD_OUTPUT = $(abspath $(OUTPUT))/libsubcmd
+else
+ LIBSUBCMD_OUTPUT = $(CURDIR)/libsubcmd
+endif
+LIBSUBCMD_DESTDIR = $(LIBSUBCMD_OUTPUT)
+LIBSUBCMD_INCLUDE = $(LIBSUBCMD_DESTDIR)/include
+LIBSUBCMD = $(LIBSUBCMD_OUTPUT)/libsubcmd.a
+CFLAGS += -I$(LIBSUBCMD_OUTPUT)/include
-LIBBPF = $(BPF_PATH)libbpf.a
+ifneq ($(OUTPUT),)
+ LIBSYMBOL_OUTPUT = $(abspath $(OUTPUT))/libsymbol
+else
+ LIBSYMBOL_OUTPUT = $(CURDIR)/libsymbol
+endif
+LIBSYMBOL_DESTDIR = $(LIBSYMBOL_OUTPUT)
+LIBSYMBOL_INCLUDE = $(LIBSYMBOL_DESTDIR)/include
+LIBSYMBOL = $(LIBSYMBOL_OUTPUT)/libsymbol.a
+CFLAGS += -I$(LIBSYMBOL_OUTPUT)/include
-LIBSUBCMD = $(SUBCMD_PATH)libsubcmd.a
+ifneq ($(OUTPUT),)
+ LIBPERF_OUTPUT = $(abspath $(OUTPUT))/libperf
+else
+ LIBPERF_OUTPUT = $(CURDIR)/libperf
+endif
+LIBPERF_DESTDIR = $(LIBPERF_OUTPUT)
+LIBPERF_INCLUDE = $(LIBPERF_DESTDIR)/include
+LIBPERF = $(LIBPERF_OUTPUT)/libperf.a
+export LIBPERF
+CFLAGS += -I$(LIBPERF_OUTPUT)/include
# python extension build directories
PYTHON_EXTBUILD := $(OUTPUT)python_ext_build/
@@ -289,10 +398,10 @@ PYTHON_EXTBUILD_LIB := $(PYTHON_EXTBUILD)lib/
PYTHON_EXTBUILD_TMP := $(PYTHON_EXTBUILD)tmp/
export PYTHON_EXTBUILD_LIB PYTHON_EXTBUILD_TMP
-python-clean := $(call QUIET_CLEAN, python) $(RM) -r $(PYTHON_EXTBUILD) $(OUTPUT)python/perf.so
+python-clean := $(call QUIET_CLEAN, python) $(RM) -r $(PYTHON_EXTBUILD) $(OUTPUT)python/perf*.so
-PYTHON_EXT_SRCS := $(shell grep -v ^\# util/python-ext-sources)
-PYTHON_EXT_DEPS := util/python-ext-sources util/setup.py $(LIBTRACEEVENT) $(LIBAPI)
+# Use the detected configuration
+-include $(OUTPUT).config-detected
SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH))
@@ -312,8 +421,11 @@ ifndef NO_JVMTI
PROGRAMS += $(OUTPUT)$(LIBJVMTI)
endif
+DLFILTERS := dlfilter-test-api-v0.so dlfilter-test-api-v2.so dlfilter-show-cycles.so
+DLFILTERS := $(patsubst %,$(OUTPUT)dlfilters/%,$(DLFILTERS))
+
# what 'all' will build and 'install' will install, in perfexecdir
-ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS)
+ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS) $(DLFILTERS)
# what 'all' will build but not install in perfexecdir
OTHER_PROGRAMS = $(OUTPUT)perf
@@ -328,12 +440,27 @@ endif
export PERL_PATH
-LIB_FILE=$(OUTPUT)libperf.a
+LIBPERF_BENCH_IN := $(OUTPUT)perf-bench-in.o
+LIBPERF_BENCH := $(OUTPUT)libperf-bench.a
+
+LIBPERF_TEST_IN := $(OUTPUT)perf-test-in.o
+LIBPERF_TEST := $(OUTPUT)libperf-test.a
+
+LIBPERF_UI_IN := $(OUTPUT)perf-ui-in.o
+LIBPERF_UI := $(OUTPUT)libperf-ui.a
-PERFLIBS = $(LIB_FILE) $(LIBAPI) $(LIBTRACEEVENT) $(LIBSUBCMD)
-ifndef NO_LIBBPF
+LIBPERF_UTIL_IN := $(OUTPUT)perf-util-in.o
+LIBPERF_UTIL := $(OUTPUT)libperf-util.a
+
+LIBPMU_EVENTS_IN := $(OUTPUT)pmu-events/pmu-events-in.o
+LIBPMU_EVENTS := $(OUTPUT)libpmu-events.a
+
+PERFLIBS = $(LIBAPI) $(LIBPERF) $(LIBSUBCMD) $(LIBSYMBOL)
+ifdef LIBBPF_STATIC
PERFLIBS += $(LIBBPF)
endif
+PERFLIBS += $(LIBPERF_BENCH) $(LIBPERF_TEST) $(LIBPERF_UI) $(LIBPERF_UTIL)
+PERFLIBS += $(LIBPMU_EVENTS)
# We choose to avoid "if .. else if .. else .. endif endif"
# because maintaining the nesting to match is a pain. If
@@ -343,7 +470,7 @@ ifneq ($(OUTPUT),)
CFLAGS += -I$(OUTPUT)
endif
-ifndef NO_GTK2
+ifdef GTK2
ALL_PROGRAMS += $(OUTPUT)libperf-gtk.so
GTK_IN := $(OUTPUT)gtk-in.o
endif
@@ -352,22 +479,11 @@ ifdef ASCIIDOC8
export ASCIIDOC8
endif
-LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
+EXTLIBS := $(call filter-out,$(EXCLUDE_EXTLIBS),$(EXTLIBS))
+LIBS = -Wl,--whole-archive $(PERFLIBS) $(EXTRA_PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
-ifeq ($(USE_CLANG), 1)
- CLANGLIBS_LIST = AST Basic CodeGen Driver Frontend Lex Tooling Edit Sema Analysis Parse Serialization
- LIBCLANG = $(foreach l,$(CLANGLIBS_LIST),$(wildcard $(shell $(LLVM_CONFIG) --libdir)/libclang$(l).a))
- LIBS += -Wl,--start-group $(LIBCLANG) -Wl,--end-group
-endif
-
-ifeq ($(USE_LLVM), 1)
- LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs)
- LIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM)
-endif
-
-ifeq ($(USE_CXX), 1)
- LIBS += -lstdc++
-endif
+PERFLIBS_PY := $(call filter-out,$(LIBPERF_BENCH) $(LIBPERF_TEST),$(PERFLIBS))
+LIBS_PY = -Wl,--whole-archive $(PERFLIBS_PY) $(EXTRA_PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
export INSTALL SHELL_PATH
@@ -375,15 +491,265 @@ export INSTALL SHELL_PATH
SHELL = $(SHELL_PATH)
-all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS)
+arm64_gen_sysreg_dir := $(srctree)/tools/arch/arm64/tools
+ifneq ($(OUTPUT),)
+ arm64_gen_sysreg_outdir := $(abspath $(OUTPUT))
+else
+ arm64_gen_sysreg_outdir := $(CURDIR)
+endif
+
+arm64-sysreg-defs: FORCE
+ $(Q)$(MAKE) -C $(arm64_gen_sysreg_dir) O=$(arm64_gen_sysreg_outdir) \
+ prefix= subdir=
+
+arm64-sysreg-defs-clean:
+ $(call QUIET_CLEAN,arm64-sysreg-defs)
+ $(Q)$(MAKE) -C $(arm64_gen_sysreg_dir) O=$(arm64_gen_sysreg_outdir) \
+ prefix= subdir= clean > /dev/null
+
+beauty_linux_dir := $(srctree)/tools/perf/trace/beauty/include/linux/
+beauty_uapi_linux_dir := $(srctree)/tools/perf/trace/beauty/include/uapi/linux/
+beauty_uapi_sound_dir := $(srctree)/tools/perf/trace/beauty/include/uapi/sound/
+beauty_arch_asm_dir := $(srctree)/tools/perf/trace/beauty/arch/x86/include/asm/
+beauty_x86_arch_asm_uapi_dir := $(srctree)/tools/perf/trace/beauty/arch/x86/include/uapi/asm/
+
+linux_uapi_dir := $(srctree)/tools/include/uapi/linux
+asm_generic_uapi_dir := $(srctree)/tools/include/uapi/asm-generic
+arch_asm_uapi_dir := $(srctree)/tools/arch/$(SRCARCH)/include/uapi/asm/
+x86_arch_asm_dir := $(srctree)/tools/arch/x86/include/asm/
+
+beauty_outdir := $(OUTPUT)trace/beauty/generated
+beauty_ioctl_outdir := $(beauty_outdir)/ioctl
+
+# Create output directory if not already present
+$(shell [ -d '$(beauty_ioctl_outdir)' ] || mkdir -p '$(beauty_ioctl_outdir)')
+
+syscall_array := $(beauty_outdir)/syscalltbl.c
+syscall_tbl := $(srctree)/tools/perf/trace/beauty/syscalltbl.sh
+syscall_tbl_data := $(srctree)/tools/scripts/syscall.tbl \
+ $(wildcard $(srctree)/tools/perf/arch/*/entry/syscalls/syscall*.tbl)
+
+$(syscall_array): $(syscall_tbl) $(syscall_tbl_data)
+ $(Q)$(SHELL) '$(syscall_tbl)' $(srctree)/tools $@
+
+fs_at_flags_array := $(beauty_outdir)/fs_at_flags_array.c
+fs_at_flags_tbl := $(srctree)/tools/perf/trace/beauty/fs_at_flags.sh
+
+$(fs_at_flags_array): $(beauty_uapi_linux_dir)/fcntl.h $(fs_at_flags_tbl)
+ $(Q)$(SHELL) '$(fs_at_flags_tbl)' $(beauty_uapi_linux_dir) > $@
+
+clone_flags_array := $(beauty_outdir)/clone_flags_array.c
+clone_flags_tbl := $(srctree)/tools/perf/trace/beauty/clone.sh
+
+$(clone_flags_array): $(beauty_uapi_linux_dir)/sched.h $(clone_flags_tbl)
+ $(Q)$(SHELL) '$(clone_flags_tbl)' $(beauty_uapi_linux_dir) > $@
+
+drm_ioctl_array := $(beauty_ioctl_outdir)/drm_ioctl_array.c
+drm_hdr_dir := $(srctree)/tools/include/uapi/drm
+drm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/drm_ioctl.sh
+
+$(drm_ioctl_array): $(drm_hdr_dir)/drm.h $(drm_hdr_dir)/i915_drm.h $(drm_ioctl_tbl)
+ $(Q)$(SHELL) '$(drm_ioctl_tbl)' $(drm_hdr_dir) > $@
+
+fadvise_advice_array := $(beauty_outdir)/fadvise_advice_array.c
+fadvise_advice_tbl := $(srctree)/tools/perf/trace/beauty/fadvise.sh
+
+$(fadvise_advice_array): $(linux_uapi_dir)/in.h $(fadvise_advice_tbl)
+ $(Q)$(SHELL) '$(fadvise_advice_tbl)' $(linux_uapi_dir) > $@
+
+fsmount_arrays := $(beauty_outdir)/fsmount_arrays.c
+fsmount_tbls := $(srctree)/tools/perf/trace/beauty/fsmount.sh
+
+$(fsmount_arrays): $(beauty_uapi_linux_dir)/mount.h $(fsmount_tbls)
+ $(Q)$(SHELL) '$(fsmount_tbls)' $(beauty_uapi_linux_dir) > $@
+
+fspick_arrays := $(beauty_outdir)/fspick_arrays.c
+fspick_tbls := $(srctree)/tools/perf/trace/beauty/fspick.sh
+
+$(fspick_arrays): $(beauty_uapi_linux_dir)/mount.h $(fspick_tbls)
+ $(Q)$(SHELL) '$(fspick_tbls)' $(beauty_uapi_linux_dir) > $@
+
+fsconfig_arrays := $(beauty_outdir)/fsconfig_arrays.c
+fsconfig_tbls := $(srctree)/tools/perf/trace/beauty/fsconfig.sh
+
+$(fsconfig_arrays): $(beauty_uapi_linux_dir)/mount.h $(fsconfig_tbls)
+ $(Q)$(SHELL) '$(fsconfig_tbls)' $(beauty_uapi_linux_dir) > $@
+
+pkey_alloc_access_rights_array := $(beauty_outdir)/pkey_alloc_access_rights_array.c
+asm_generic_hdr_dir := $(srctree)/tools/include/uapi/asm-generic/
+pkey_alloc_access_rights_tbl := $(srctree)/tools/perf/trace/beauty/pkey_alloc_access_rights.sh
+
+$(pkey_alloc_access_rights_array): $(asm_generic_hdr_dir)/mman-common.h $(pkey_alloc_access_rights_tbl)
+ $(Q)$(SHELL) '$(pkey_alloc_access_rights_tbl)' $(asm_generic_hdr_dir) > $@
+
+sndrv_ctl_ioctl_array := $(beauty_ioctl_outdir)/sndrv_ctl_ioctl_array.c
+sndrv_ctl_hdr_dir := $(srctree)/tools/include/uapi/sound
+sndrv_ctl_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/sndrv_ctl_ioctl.sh
+
+$(sndrv_ctl_ioctl_array): $(beauty_uapi_sound_dir)/asound.h $(sndrv_ctl_ioctl_tbl)
+ $(Q)$(SHELL) '$(sndrv_ctl_ioctl_tbl)' $(beauty_uapi_sound_dir) > $@
+
+sndrv_pcm_ioctl_array := $(beauty_ioctl_outdir)/sndrv_pcm_ioctl_array.c
+sndrv_pcm_hdr_dir := $(srctree)/tools/include/uapi/sound
+sndrv_pcm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/sndrv_pcm_ioctl.sh
+
+$(sndrv_pcm_ioctl_array): $(beauty_uapi_sound_dir)/asound.h $(sndrv_pcm_ioctl_tbl)
+ $(Q)$(SHELL) '$(sndrv_pcm_ioctl_tbl)' $(beauty_uapi_sound_dir) > $@
+
+kcmp_type_array := $(beauty_outdir)/kcmp_type_array.c
+kcmp_hdr_dir := $(srctree)/tools/include/uapi/linux/
+kcmp_type_tbl := $(srctree)/tools/perf/trace/beauty/kcmp_type.sh
+
+$(kcmp_type_array): $(kcmp_hdr_dir)/kcmp.h $(kcmp_type_tbl)
+ $(Q)$(SHELL) '$(kcmp_type_tbl)' $(kcmp_hdr_dir) > $@
+
+kvm_ioctl_array := $(beauty_ioctl_outdir)/kvm_ioctl_array.c
+kvm_hdr_dir := $(srctree)/tools/include/uapi/linux
+kvm_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/kvm_ioctl.sh
+
+$(kvm_ioctl_array): $(kvm_hdr_dir)/kvm.h $(kvm_ioctl_tbl)
+ $(Q)$(SHELL) '$(kvm_ioctl_tbl)' $(kvm_hdr_dir) > $@
+
+socket_arrays := $(beauty_outdir)/socket.c
+socket_tbl := $(srctree)/tools/perf/trace/beauty/socket.sh
+
+$(socket_arrays): $(linux_uapi_dir)/in.h $(beauty_linux_dir)/socket.h $(socket_tbl)
+ $(Q)$(SHELL) '$(socket_tbl)' $(linux_uapi_dir) $(beauty_linux_dir) > $@
+
+sockaddr_arrays := $(beauty_outdir)/sockaddr.c
+sockaddr_tbl := $(srctree)/tools/perf/trace/beauty/sockaddr.sh
+
+$(sockaddr_arrays): $(beauty_linux_dir)/socket.h $(sockaddr_tbl)
+ $(Q)$(SHELL) '$(sockaddr_tbl)' $(beauty_linux_dir) > $@
-$(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBTRACEEVENT_DYNAMIC_LIST)
+vhost_virtio_ioctl_array := $(beauty_ioctl_outdir)/vhost_virtio_ioctl_array.c
+vhost_virtio_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/vhost_virtio_ioctl.sh
+
+$(vhost_virtio_ioctl_array): $(beauty_uapi_linux_dir)/vhost.h $(vhost_virtio_ioctl_tbl)
+ $(Q)$(SHELL) '$(vhost_virtio_ioctl_tbl)' $(beauty_uapi_linux_dir) > $@
+
+perf_ioctl_array := $(beauty_ioctl_outdir)/perf_ioctl_array.c
+perf_hdr_dir := $(srctree)/tools/include/uapi/linux
+perf_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/perf_ioctl.sh
+
+$(perf_ioctl_array): $(perf_hdr_dir)/perf_event.h $(perf_ioctl_tbl)
+ $(Q)$(SHELL) '$(perf_ioctl_tbl)' $(perf_hdr_dir) > $@
+
+madvise_behavior_array := $(beauty_outdir)/madvise_behavior_array.c
+madvise_hdr_dir := $(srctree)/tools/include/uapi/asm-generic/
+madvise_behavior_tbl := $(srctree)/tools/perf/trace/beauty/madvise_behavior.sh
+
+$(madvise_behavior_array): $(madvise_hdr_dir)/mman-common.h $(madvise_behavior_tbl)
+ $(Q)$(SHELL) '$(madvise_behavior_tbl)' $(madvise_hdr_dir) > $@
+
+mmap_flags_array := $(beauty_outdir)/mmap_flags_array.c
+mmap_flags_tbl := $(srctree)/tools/perf/trace/beauty/mmap_flags.sh
+
+$(mmap_flags_array): $(linux_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman-common.h $(mmap_flags_tbl)
+ $(Q)$(SHELL) '$(mmap_flags_tbl)' $(linux_uapi_dir) $(asm_generic_uapi_dir) $(arch_asm_uapi_dir) > $@
+
+mremap_flags_array := $(beauty_outdir)/mremap_flags_array.c
+mremap_flags_tbl := $(srctree)/tools/perf/trace/beauty/mremap_flags.sh
+
+$(mremap_flags_array): $(linux_uapi_dir)/mman.h $(mremap_flags_tbl)
+ $(Q)$(SHELL) '$(mremap_flags_tbl)' $(linux_uapi_dir) > $@
+
+mount_flags_array := $(beauty_outdir)/mount_flags_array.c
+mount_flags_tbl := $(srctree)/tools/perf/trace/beauty/mount_flags.sh
+
+$(mount_flags_array): $(beauty_uapi_linux_dir)/mount.h $(mount_flags_tbl)
+ $(Q)$(SHELL) '$(mount_flags_tbl)' $(beauty_uapi_linux_dir) > $@
+
+move_mount_flags_array := $(beauty_outdir)/move_mount_flags_array.c
+move_mount_flags_tbl := $(srctree)/tools/perf/trace/beauty/move_mount_flags.sh
+
+$(move_mount_flags_array): $(beauty_uapi_linux_dir)/mount.h $(move_mount_flags_tbl)
+ $(Q)$(SHELL) '$(move_mount_flags_tbl)' $(beauty_uapi_linux_dir) > $@
+
+mmap_prot_array := $(beauty_outdir)/mmap_prot_array.c
+mmap_prot_tbl := $(srctree)/tools/perf/trace/beauty/mmap_prot.sh
+
+$(mmap_prot_array): $(asm_generic_uapi_dir)/mman.h $(asm_generic_uapi_dir)/mman-common.h $(mmap_prot_tbl)
+ $(Q)$(SHELL) '$(mmap_prot_tbl)' $(asm_generic_uapi_dir) $(arch_asm_uapi_dir) > $@
+
+prctl_option_array := $(beauty_outdir)/prctl_option_array.c
+prctl_option_tbl := $(srctree)/tools/perf/trace/beauty/prctl_option.sh
+
+$(prctl_option_array): $(beauty_uapi_linux_dir)/prctl.h $(prctl_option_tbl)
+ $(Q)$(SHELL) '$(prctl_option_tbl)' $(beauty_uapi_linux_dir) > $@
+
+usbdevfs_ioctl_array := $(beauty_ioctl_outdir)/usbdevfs_ioctl_array.c
+usbdevfs_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/usbdevfs_ioctl.sh
+
+$(usbdevfs_ioctl_array): $(beauty_uapi_linux_dir)/usbdevice_fs.h $(usbdevfs_ioctl_tbl)
+ $(Q)$(SHELL) '$(usbdevfs_ioctl_tbl)' $(beauty_uapi_linux_dir) > $@
+
+x86_arch_prctl_code_array := $(beauty_outdir)/x86_arch_prctl_code_array.c
+x86_arch_prctl_code_tbl := $(srctree)/tools/perf/trace/beauty/x86_arch_prctl.sh
+
+$(x86_arch_prctl_code_array): $(beauty_x86_arch_asm_uapi_dir)/prctl.h $(x86_arch_prctl_code_tbl)
+ $(Q)$(SHELL) '$(x86_arch_prctl_code_tbl)' $(beauty_x86_arch_asm_uapi_dir) > $@
+
+x86_arch_irq_vectors_array := $(beauty_outdir)/x86_arch_irq_vectors_array.c
+x86_arch_irq_vectors_tbl := $(srctree)/tools/perf/trace/beauty/tracepoints/x86_irq_vectors.sh
+
+$(x86_arch_irq_vectors_array): $(beauty_arch_asm_dir)/irq_vectors.h $(x86_arch_irq_vectors_tbl)
+ $(Q)$(SHELL) '$(x86_arch_irq_vectors_tbl)' $(beauty_arch_asm_dir) > $@
+
+x86_arch_MSRs_array := $(beauty_outdir)/x86_arch_MSRs_array.c
+x86_arch_MSRs_tbl := $(srctree)/tools/perf/trace/beauty/tracepoints/x86_msr.sh
+
+$(x86_arch_MSRs_array): $(x86_arch_asm_dir)/msr-index.h $(x86_arch_MSRs_tbl)
+ $(Q)$(SHELL) '$(x86_arch_MSRs_tbl)' $(x86_arch_asm_dir) > $@
+
+rename_flags_array := $(beauty_outdir)/rename_flags_array.c
+rename_flags_tbl := $(srctree)/tools/perf/trace/beauty/rename_flags.sh
+
+$(rename_flags_array): $(beauty_uapi_linux_dir)/fs.h $(rename_flags_tbl)
+ $(Q)$(SHELL) '$(rename_flags_tbl)' $(beauty_uapi_linux_dir) > $@
+
+arch_errno_name_array := $(beauty_outdir)/arch_errno_name_array.c
+arch_errno_hdr_dir := $(srctree)/tools
+arch_errno_tbl := $(srctree)/tools/perf/trace/beauty/arch_errno_names.sh
+
+$(arch_errno_name_array): $(arch_errno_tbl)
+ $(Q)$(SHELL) '$(arch_errno_tbl)' '$(patsubst -%,,$(CC))' $(arch_errno_hdr_dir) > $@
+
+statx_mask_array := $(beauty_outdir)/statx_mask_array.c
+statx_mask_tbl := $(srctree)/tools/perf/trace/beauty/statx_mask.sh
+
+$(statx_mask_array): $(beauty_uapi_linux_dir)/stat.h $(statx_mask_tbl)
+ $(Q)$(SHELL) '$(statx_mask_tbl)' $(beauty_uapi_linux_dir) > $@
+
+sync_file_range_arrays := $(beauty_outdir)/sync_file_range_arrays.c
+sync_file_range_tbls := $(srctree)/tools/perf/trace/beauty/sync_file_range.sh
+
+$(sync_file_range_arrays): $(beauty_uapi_linux_dir)/fs.h $(sync_file_range_tbls)
+ $(Q)$(SHELL) '$(sync_file_range_tbls)' $(beauty_uapi_linux_dir) > $@
+
+TESTS_CORESIGHT_DIR := $(srctree)/tools/perf/tests/shell/coresight
+
+tests-coresight-targets: FORCE
+ $(Q)$(MAKE) -C $(TESTS_CORESIGHT_DIR)
+
+tests-coresight-targets-clean:
+ $(call QUIET_CLEAN, coresight)
+ $(Q)$(MAKE) -C $(TESTS_CORESIGHT_DIR) O=$(OUTPUT) clean >/dev/null
+
+all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS) tests-coresight-targets
+
+# Create python binding output directory if not already present
+$(shell [ -d '$(OUTPUT)python' ] || mkdir -p '$(OUTPUT)python')
+
+$(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX): util/python.c util/setup.py $(PERFLIBS_PY)
$(QUIET_GEN)LDSHARED="$(CC) -pthread -shared" \
- CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS) $(LIBTRACEEVENT_DYNAMIC_LIST_LDFLAGS)' \
+ CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS) $(LIBS_PY)' \
$(PYTHON_WORD) util/setup.py \
--quiet build_ext; \
- mkdir -p $(OUTPUT)python && \
- cp $(PYTHON_EXTBUILD_LIB)perf.so $(OUTPUT)python/
+ cp $(PYTHON_EXTBUILD_LIB)perf*.so $(OUTPUT)python/
+
+python_perf_target:
+ @echo "Target is: $(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX)"
please_set_SHELL_PATH_to_a_more_modern_shell:
$(Q)$$(:)
@@ -394,33 +760,48 @@ strip: $(PROGRAMS) $(OUTPUT)perf
$(STRIP) $(STRIP_OPTS) $(PROGRAMS) $(OUTPUT)perf
PERF_IN := $(OUTPUT)perf-in.o
-
-JEVENTS := $(OUTPUT)pmu-events/jevents
-JEVENTS_IN := $(OUTPUT)pmu-events/jevents-in.o
-
-PMU_EVENTS_IN := $(OUTPUT)pmu-events/pmu-events-in.o
-
-export JEVENTS
+export NO_JEVENTS
build := -f $(srctree)/tools/build/Makefile.build dir=. obj
$(PERF_IN): prepare FORCE
$(Q)$(MAKE) $(build)=perf
-$(JEVENTS_IN): FORCE
- $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=pmu-events obj=jevents
+$(LIBPMU_EVENTS_IN): FORCE prepare
+ $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=pmu-events obj=pmu-events
-$(JEVENTS): $(JEVENTS_IN)
- $(QUIET_LINK)$(HOSTCC) $(JEVENTS_IN) -o $@
+$(LIBPMU_EVENTS): $(LIBPMU_EVENTS_IN)
+ $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
-$(PMU_EVENTS_IN): $(JEVENTS) FORCE
- $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=pmu-events obj=pmu-events
+$(LIBPERF_BENCH_IN): FORCE prepare
+ $(Q)$(MAKE) $(build)=perf-bench
+
+$(LIBPERF_BENCH): $(LIBPERF_BENCH_IN)
+ $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
+
+$(LIBPERF_TEST_IN): FORCE prepare
+ $(Q)$(MAKE) $(build)=perf-test
+
+$(LIBPERF_TEST): $(LIBPERF_TEST_IN)
+ $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
+
+$(LIBPERF_UI_IN): FORCE prepare
+ $(Q)$(MAKE) $(build)=perf-ui
+
+$(LIBPERF_UI): $(LIBPERF_UI_IN)
+ $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
+
+$(LIBPERF_UTIL_IN): FORCE prepare
+ $(Q)$(MAKE) $(build)=perf-util
-$(OUTPUT)perf: $(PERFLIBS) $(PERF_IN) $(PMU_EVENTS_IN) $(LIBTRACEEVENT_DYNAMIC_LIST)
- $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $(LIBTRACEEVENT_DYNAMIC_LIST_LDFLAGS) \
- $(PERF_IN) $(PMU_EVENTS_IN) $(LIBS) -o $@
+$(LIBPERF_UTIL): $(LIBPERF_UTIL_IN)
+ $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
-$(GTK_IN): FORCE
+$(OUTPUT)perf: $(PERFLIBS) $(PERF_IN)
+ $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) \
+ $(PERF_IN) $(LIBS) -o $@
+
+$(GTK_IN): FORCE prepare
$(Q)$(MAKE) $(build)=gtk
$(OUTPUT)libperf-gtk.so: $(GTK_IN) $(PERFLIBS)
@@ -434,9 +815,8 @@ $(OUTPUT)common-cmds.h: $(wildcard Documentation/perf-*.txt)
$(SCRIPTS) : % : %.sh
$(QUIET_GEN)$(INSTALL) '$@.sh' '$(OUTPUT)$@'
-$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD
+$(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE
$(Q)$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
- $(Q)touch $(OUTPUT)PERF-VERSION-FILE
# These can record PERF_VERSION
perf.spec $(SCRIPTS) \
@@ -467,9 +847,51 @@ endif
# get relative building directory (to $(OUTPUT))
# and '.' if it's $(OUTPUT) itself
__build-dir = $(subst $(OUTPUT),,$(dir $@))
-build-dir = $(if $(__build-dir),$(__build-dir),.)
-
-prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders
+build-dir = $(or $(__build-dir),.)
+
+prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders \
+ arm64-sysreg-defs \
+ $(syscall_array) \
+ $(fs_at_flags_array) \
+ $(clone_flags_array) \
+ $(drm_ioctl_array) \
+ $(fadvise_advice_array) \
+ $(fsconfig_arrays) \
+ $(fsmount_arrays) \
+ $(fspick_arrays) \
+ $(pkey_alloc_access_rights_array) \
+ $(sndrv_pcm_ioctl_array) \
+ $(sndrv_ctl_ioctl_array) \
+ $(kcmp_type_array) \
+ $(kvm_ioctl_array) \
+ $(socket_arrays) \
+ $(sockaddr_arrays) \
+ $(vhost_virtio_ioctl_array) \
+ $(madvise_behavior_array) \
+ $(mmap_flags_array) \
+ $(mmap_prot_array) \
+ $(mremap_flags_array) \
+ $(mount_flags_array) \
+ $(move_mount_flags_array) \
+ $(perf_ioctl_array) \
+ $(prctl_option_array) \
+ $(usbdevfs_ioctl_array) \
+ $(x86_arch_irq_vectors_array) \
+ $(x86_arch_MSRs_array) \
+ $(x86_arch_prctl_code_array) \
+ $(rename_flags_array) \
+ $(arch_errno_name_array) \
+ $(statx_mask_array) \
+ $(sync_file_range_arrays) \
+ $(LIBAPI) \
+ $(LIBPERF) \
+ $(LIBSUBCMD) \
+ $(LIBSYMBOL) \
+ bpf-skel
+
+ifdef LIBBPF_STATIC
+prepare: $(LIBBPF)
+endif
$(OUTPUT)%.o: %.c prepare FORCE
$(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@
@@ -496,73 +918,80 @@ $(OUTPUT)perf-%: %.o $(PERFLIBS)
$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $(LDFLAGS) $(filter %.o,$^) $(LIBS)
ifndef NO_PERF_READ_VDSO32
-$(OUTPUT)perf-read-vdso32: perf-read-vdso.c util/find-vdso-map.c
+$(OUTPUT)perf-read-vdso32: perf-read-vdso.c util/find-map.c
$(QUIET_CC)$(CC) -m32 $(filter -static,$(LDFLAGS)) -Wall -Werror -o $@ perf-read-vdso.c
endif
ifndef NO_PERF_READ_VDSOX32
-$(OUTPUT)perf-read-vdsox32: perf-read-vdso.c util/find-vdso-map.c
+$(OUTPUT)perf-read-vdsox32: perf-read-vdso.c util/find-map.c
$(QUIET_CC)$(CC) -mx32 $(filter -static,$(LDFLAGS)) -Wall -Werror -o $@ perf-read-vdso.c
endif
+$(OUTPUT)dlfilters/%.o: dlfilters/%.c include/perf/perf_dlfilter.h
+ $(Q)$(MKDIR) -p $(OUTPUT)dlfilters
+ $(QUIET_CC)$(CC) -c -Iinclude $(EXTRA_CFLAGS) -o $@ -fpic $<
+
+.SECONDARY: $(DLFILTERS:.so=.o)
+
+$(OUTPUT)dlfilters/%.so: $(OUTPUT)dlfilters/%.o
+ $(QUIET_LINK)$(CC) $(EXTRA_CFLAGS) -shared -o $@ $<
+
ifndef NO_JVMTI
LIBJVMTI_IN := $(OUTPUT)jvmti/jvmti-in.o
-$(LIBJVMTI_IN): FORCE
+$(LIBJVMTI_IN): prepare FORCE
$(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=jvmti obj=jvmti
$(OUTPUT)$(LIBJVMTI): $(LIBJVMTI_IN)
- $(QUIET_LINK)$(CC) -shared -Wl,-soname -Wl,$(LIBJVMTI) -o $@ $< -lelf -lrt
+ $(QUIET_LINK)$(CC) $(LDFLAGS) -shared -Wl,-soname -Wl,$(LIBJVMTI) -o $@ $<
endif
$(patsubst perf-%,%.o,$(PROGRAMS)): $(wildcard */*.h)
-LIBPERF_IN := $(OUTPUT)libperf-in.o
-
-$(LIBPERF_IN): prepare FORCE
- $(Q)$(MAKE) $(build)=libperf
-
-$(LIB_FILE): $(LIBPERF_IN)
- $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBPERF_IN) $(LIB_OBJS)
-
-LIBTRACEEVENT_FLAGS += plugin_dir=$(plugindir_SQ)
-
-$(LIBTRACEEVENT): FORCE
- $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) $(OUTPUT)libtraceevent.a
-
-libtraceevent_plugins: FORCE
- $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) plugins
-
-$(LIBTRACEEVENT_DYNAMIC_LIST): libtraceevent_plugins
- $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) $(OUTPUT)libtraceevent-dynamic-list
-
-$(LIBTRACEEVENT)-clean:
- $(call QUIET_CLEAN, libtraceevent)
- $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) O=$(OUTPUT) clean >/dev/null
-
-install-traceevent-plugins: libtraceevent_plugins
- $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) install_plugins
-
-$(LIBAPI): FORCE
- $(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) $(OUTPUT)libapi.a
+$(LIBAPI): FORCE | $(LIBAPI_OUTPUT)
+ $(Q)$(MAKE) -C $(LIBAPI_DIR) O=$(LIBAPI_OUTPUT) \
+ DESTDIR=$(LIBAPI_DESTDIR) prefix= subdir= \
+ $@ install_headers
$(LIBAPI)-clean:
$(call QUIET_CLEAN, libapi)
- $(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null
+ $(Q)$(RM) -r -- $(LIBAPI_OUTPUT)
-$(LIBBPF): FORCE
- $(Q)$(MAKE) -C $(BPF_DIR) O=$(OUTPUT) $(OUTPUT)libbpf.a FEATURES_DUMP=$(FEATURE_DUMP_EXPORT)
+$(LIBBPF): FORCE | $(LIBBPF_OUTPUT)
+ $(Q)$(MAKE) -C $(LIBBPF_DIR) FEATURES_DUMP=$(FEATURE_DUMP_EXPORT) \
+ O= OUTPUT=$(LIBBPF_OUTPUT)/ DESTDIR=$(LIBBPF_DESTDIR) prefix= subdir= \
+ EXTRA_CFLAGS="-fPIC" $@ install_headers
$(LIBBPF)-clean:
$(call QUIET_CLEAN, libbpf)
- $(Q)$(MAKE) -C $(BPF_DIR) O=$(OUTPUT) clean >/dev/null
+ $(Q)$(RM) -r -- $(LIBBPF_OUTPUT)
+
+$(LIBPERF): FORCE | $(LIBPERF_OUTPUT)
+ $(Q)$(MAKE) -C $(LIBPERF_DIR) O=$(LIBPERF_OUTPUT) \
+ DESTDIR=$(LIBPERF_DESTDIR) prefix= subdir= \
+ $@ install_headers
-$(LIBSUBCMD): FORCE
- $(Q)$(MAKE) -C $(SUBCMD_DIR) O=$(OUTPUT) $(OUTPUT)libsubcmd.a
+$(LIBPERF)-clean:
+ $(call QUIET_CLEAN, libperf)
+ $(Q)$(RM) -r -- $(LIBPERF_OUTPUT)
+
+$(LIBSUBCMD): FORCE | $(LIBSUBCMD_OUTPUT)
+ $(Q)$(MAKE) -C $(LIBSUBCMD_DIR) O=$(LIBSUBCMD_OUTPUT) \
+ DESTDIR=$(LIBSUBCMD_DESTDIR) prefix= subdir= \
+ $@ install_headers
$(LIBSUBCMD)-clean:
$(call QUIET_CLEAN, libsubcmd)
- $(Q)$(MAKE) -C $(SUBCMD_DIR) O=$(OUTPUT) clean
+ $(Q)$(RM) -r -- $(LIBSUBCMD_OUTPUT)
+
+$(LIBSYMBOL): FORCE | $(LIBSYMBOL_OUTPUT)
+ $(Q)$(MAKE) -C $(LIBSYMBOL_DIR) O=$(LIBSYMBOL_OUTPUT) \
+ DESTDIR=$(LIBSYMBOL_DESTDIR) prefix= subdir= \
+ $@ install_headers
+
+$(LIBSYMBOL)-clean:
+ $(call QUIET_CLEAN, libsymbol)
+ $(Q)$(RM) -r -- $(LIBSYMBOL_OUTPUT)
help:
@echo 'Perf make targets:'
@@ -601,22 +1030,22 @@ INSTALL_DOC_TARGETS += quick-install-doc quick-install-man quick-install-html
# 'make doc' should call 'make -C Documentation all'
$(DOC_TARGETS):
- $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) $(@:doc=all)
+ $(Q)$(MAKE) -C $(DOC_DIR) O=$(OUTPUT) $(@:doc=all) ASCIIDOC_EXTRA=$(ASCIIDOC_EXTRA)
TAG_FOLDERS= . ../lib ../include
TAG_FILES= ../../include/uapi/linux/perf_event.h
TAGS:
$(QUIET_GEN)$(RM) TAGS; \
- $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs etags -a $(TAG_FILES)
+ $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print -o -name '*.cpp' -print | xargs etags -a $(TAG_FILES)
tags:
$(QUIET_GEN)$(RM) tags; \
- $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs ctags -a $(TAG_FILES)
+ $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print -o -name '*.cpp' -print | xargs ctags -a $(TAG_FILES)
cscope:
$(QUIET_GEN)$(RM) cscope*; \
- $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs cscope -b $(TAG_FILES)
+ $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print -o -name '*.cpp' -print | xargs cscope -b $(TAG_FILES)
### Testing rules
@@ -637,7 +1066,7 @@ check: $(OUTPUT)common-cmds.h
### Installation rules
-ifndef NO_GTK2
+ifdef GTK2
install-gtk: $(OUTPUT)libperf-gtk.so
$(call QUIET_INSTALL, 'GTK UI') \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(libdir_SQ)'; \
@@ -650,7 +1079,9 @@ install-tools: all install-gtk
$(call QUIET_INSTALL, binaries) \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'; \
$(INSTALL) $(OUTPUT)perf '$(DESTDIR_SQ)$(bindir_SQ)'; \
- $(LN) '$(DESTDIR_SQ)$(bindir_SQ)/perf' '$(DESTDIR_SQ)$(bindir_SQ)/trace'
+ $(LN) '$(DESTDIR_SQ)$(bindir_SQ)/perf' '$(DESTDIR_SQ)$(bindir_SQ)/trace'; \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(includedir_SQ)/perf'; \
+ $(INSTALL) -m 644 include/perf/perf_dlfilter.h -t '$(DESTDIR_SQ)$(includedir_SQ)/perf'
ifndef NO_PERF_READ_VDSO32
$(call QUIET_INSTALL, perf-read-vdso32) \
$(INSTALL) $(OUTPUT)perf-read-vdso32 '$(DESTDIR_SQ)$(bindir_SQ)';
@@ -668,18 +1099,13 @@ endif
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
$(call QUIET_INSTALL, perf-archive) \
$(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
- $(call QUIET_INSTALL, perf-with-kcore) \
- $(INSTALL) $(OUTPUT)perf-with-kcore -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
-ifndef NO_LIBAUDIT
- $(call QUIET_INSTALL, strace/groups) \
- $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(STRACE_GROUPS_INSTDIR_SQ)'; \
- $(INSTALL) trace/strace/groups/* -t '$(DESTDIR_SQ)$(STRACE_GROUPS_INSTDIR_SQ)'
-endif
-ifndef NO_LIBPERL
+ $(call QUIET_INSTALL, perf-iostat) \
+ $(INSTALL) $(OUTPUT)perf-iostat -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
+ifdef LIBPERL
$(call QUIET_INSTALL, perl-scripts) \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
- $(INSTALL) scripts/perl/Perf-Trace-Util/lib/Perf/Trace/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
- $(INSTALL) scripts/perl/*.pl -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl'; \
+ $(INSTALL) scripts/perl/Perf-Trace-Util/lib/Perf/Trace/* -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
+ $(INSTALL) scripts/perl/*.pl -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl'; \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'; \
$(INSTALL) scripts/perl/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'
endif
@@ -687,25 +1113,44 @@ ifndef NO_LIBPYTHON
$(call QUIET_INSTALL, python-scripts) \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'; \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'; \
- $(INSTALL) scripts/python/Perf-Trace-Util/lib/Perf/Trace/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'; \
- $(INSTALL) scripts/python/*.py -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python'; \
+ $(INSTALL) scripts/python/Perf-Trace-Util/lib/Perf/Trace/* -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'; \
+ $(INSTALL) scripts/python/*.py -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python'; \
$(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'
endif
+ $(call QUIET_INSTALL, dlfilters) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/dlfilters'; \
+ $(INSTALL) $(DLFILTERS) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/dlfilters';
$(call QUIET_INSTALL, perf_completion-script) \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d'; \
- $(INSTALL) perf-completion.sh '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf'
+ $(INSTALL) perf-completion.sh -m 644 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf'
$(call QUIET_INSTALL, perf-tip) \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(tip_instdir_SQ)'; \
- $(INSTALL) Documentation/tips.txt -t '$(DESTDIR_SQ)$(tip_instdir_SQ)'
+ $(INSTALL) Documentation/tips.txt -m 644 -t '$(DESTDIR_SQ)$(tip_instdir_SQ)'
install-tests: all install-gtk
$(call QUIET_INSTALL, tests) \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
- $(INSTALL) tests/attr.py '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
- $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \
- $(INSTALL) tests/attr/* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'
-
-install-bin: install-tools install-tests install-traceevent-plugins
+ $(INSTALL) tests/pe-file.exe* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
+ $(INSTALL) tests/shell/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/attr'; \
+ $(INSTALL) tests/shell/attr/* -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/attr'; \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
+ $(INSTALL) tests/shell/lib/*.sh -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
+ $(INSTALL) tests/shell/lib/*.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/common'; \
+ $(INSTALL) tests/shell/common/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/common'; \
+ $(INSTALL) tests/shell/common/*.pl '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/common'; \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_probe'; \
+ $(INSTALL) tests/shell/base_probe/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_probe'; \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_report'; \
+ $(INSTALL) tests/shell/base_report/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_report'; \
+ $(INSTALL) tests/shell/base_report/*.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/base_report'; \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight' ; \
+ $(INSTALL) tests/shell/coresight/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight'
+ $(Q)$(MAKE) -C tests/shell/coresight install-tests
+
+install-bin: install-tools install-tests
install: install-bin try-install-man
@@ -714,29 +1159,177 @@ install-python_ext:
# 'make install-doc' should call 'make -C Documentation install'
$(INSTALL_DOC_TARGETS):
- $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) $(@:-doc=)
+ $(Q)$(MAKE) -C $(DOC_DIR) O=$(OUTPUT) $(@:-doc=) ASCIIDOC_EXTRA=$(ASCIIDOC_EXTRA) subdir=
### Cleaning rules
+python-clean:
+ $(python-clean)
+
+SKEL_OUT := $(abspath $(OUTPUT)util/bpf_skel)
+SKEL_TMP_OUT := $(abspath $(SKEL_OUT)/.tmp)
+SKELETONS := $(SKEL_OUT)/bpf_prog_profiler.skel.h
+SKELETONS += $(SKEL_OUT)/bperf_leader.skel.h $(SKEL_OUT)/bperf_follower.skel.h
+SKELETONS += $(SKEL_OUT)/bperf_cgroup.skel.h $(SKEL_OUT)/func_latency.skel.h
+SKELETONS += $(SKEL_OUT)/off_cpu.skel.h $(SKEL_OUT)/lock_contention.skel.h
+SKELETONS += $(SKEL_OUT)/kwork_trace.skel.h $(SKEL_OUT)/sample_filter.skel.h
+SKELETONS += $(SKEL_OUT)/kwork_top.skel.h $(SKEL_OUT)/syscall_summary.skel.h
+SKELETONS += $(SKEL_OUT)/bench_uprobe.skel.h
+SKELETONS += $(SKEL_OUT)/augmented_raw_syscalls.skel.h
+
+$(SKEL_TMP_OUT) $(LIBAPI_OUTPUT) $(LIBBPF_OUTPUT) $(LIBPERF_OUTPUT) $(LIBSUBCMD_OUTPUT) $(LIBSYMBOL_OUTPUT):
+ $(Q)$(MKDIR) -p $@
+
+ifeq ($(CONFIG_PERF_BPF_SKEL),y)
+BPFTOOL := $(SKEL_TMP_OUT)/bootstrap/bpftool
+# Get Clang's default includes on this system, as opposed to those seen by
+# '--target=bpf'. This fixes "missing" files on some architectures/distros,
+# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
#
-# This is here, not in Makefile.config, because Makefile.config does
-# not get included for the clean target:
-#
-config-clean:
- $(call QUIET_CLEAN, config)
- $(Q)$(MAKE) -C $(srctree)/tools/build/feature/ $(if $(OUTPUT),OUTPUT=$(OUTPUT)feature/,) clean >/dev/null
+# Use '-idirafter': Don't interfere with include mechanics except where the
+# build would have failed anyways.
+define get_sys_includes
+$(shell $(1) $(2) -v -E - </dev/null 2>&1 \
+ | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
+$(shell $(1) $(2) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}')
+endef
+
+ifneq ($(CROSS_COMPILE),)
+CLANG_TARGET_ARCH = --target=$(notdir $(CROSS_COMPILE:%-=%))
+endif
+
+CLANG_OPTIONS = -Wall
+CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH))
+BPF_INCLUDE := -I$(SKEL_TMP_OUT)/.. -I$(LIBBPF_INCLUDE) $(CLANG_SYS_INCLUDES)
+TOOLS_UAPI_INCLUDE := -I$(srctree)/tools/include/uapi
+
+ifneq ($(WERROR),0)
+ CLANG_OPTIONS += -Werror
+endif
+
+$(BPFTOOL): | $(SKEL_TMP_OUT)
+ $(Q)CFLAGS= $(MAKE) -C ../bpf/bpftool \
+ OUTPUT=$(SKEL_TMP_OUT)/ bootstrap
+
+# Paths to search for a kernel to generate vmlinux.h from.
+VMLINUX_BTF_ELF_PATHS ?= $(if $(O),$(O)/vmlinux) \
+ $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \
+ ../../vmlinux \
+ /boot/vmlinux-$(shell uname -r)
+
+# Paths to BTF information.
+VMLINUX_BTF_BTF_PATHS ?= /sys/kernel/btf/vmlinux
+
+# Filter out kernels that don't exist or without a BTF section.
+VMLINUX_BTF_ELF_ABSPATHS ?= $(abspath $(wildcard $(VMLINUX_BTF_ELF_PATHS)))
+VMLINUX_BTF_PATHS ?= $(shell for file in $(VMLINUX_BTF_ELF_ABSPATHS); \
+ do \
+ if [ -f $$file ] && ($(READELF) -S "$$file" | grep -q .BTF); \
+ then \
+ echo "$$file"; \
+ fi; \
+ done) \
+ $(wildcard $(VMLINUX_BTF_BTF_PATHS))
+
+# Select the first as the source of vmlinux.h.
+VMLINUX_BTF ?= $(firstword $(VMLINUX_BTF_PATHS))
+
+ifeq ($(VMLINUX_H),)
+ ifeq ($(VMLINUX_BTF),)
+ $(error Missing bpftool input for generating vmlinux.h)
+ endif
+endif
+
+$(SKEL_OUT)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) $(VMLINUX_H)
+ifeq ($(VMLINUX_H),)
+ $(QUIET_GEN)$(BPFTOOL) btf dump file $< format c > $@
+else
+ $(Q)cp "$(VMLINUX_H)" $@
+endif
+
+$(SKEL_TMP_OUT)/%.bpf.o: $(OUTPUT)PERF-VERSION-FILE util/bpf_skel/perf_version.h | $(SKEL_TMP_OUT)
+$(SKEL_TMP_OUT)/%.bpf.o: util/bpf_skel/%.bpf.c $(LIBBPF) $(SKEL_OUT)/vmlinux.h
+ $(QUIET_CLANG)$(CLANG) -g -O2 -fno-stack-protector --target=bpf \
+ $(CLANG_OPTIONS) $(BPF_INCLUDE) $(TOOLS_UAPI_INCLUDE) \
+ -include $(OUTPUT)PERF-VERSION-FILE -include util/bpf_skel/perf_version.h \
+ -c $(filter util/bpf_skel/%.bpf.c,$^) -o $@
+
+$(SKEL_OUT)/%.skel.h: $(SKEL_TMP_OUT)/%.bpf.o | $(BPFTOOL)
+ $(QUIET_GENSKEL)$(BPFTOOL) gen skeleton $< > $@
+
+bpf-skel: $(SKELETONS)
+
+.PRECIOUS: $(SKEL_TMP_OUT)/%.bpf.o
-clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean config-clean fixdep-clean
- $(call QUIET_CLEAN, core-objs) $(RM) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(LANG_BINDINGS)
- $(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
+else # CONFIG_PERF_BPF_SKEL
+
+bpf-skel:
+
+endif # CONFIG_PERF_BPF_SKEL
+
+bpf-skel-clean:
+ $(call QUIET_CLEAN, bpf-skel) $(RM) -r $(SKEL_TMP_OUT) $(SKELETONS) $(SKEL_OUT)/vmlinux.h
+
+pmu-events-clean:
+ifeq ($(OUTPUT),)
+ $(call QUIET_CLEAN, pmu-events) $(RM) \
+ pmu-events/pmu-events.c \
+ pmu-events/metric_test.log \
+ pmu-events/test-empty-pmu-events.c \
+ pmu-events/empty-pmu-events.log
+else # When an OUTPUT directory is present, clean up the copied pmu-events/arch directory.
+ $(call QUIET_CLEAN, pmu-events) $(RM) -r $(OUTPUT)pmu-events/arch \
+ $(OUTPUT)pmu-events/pmu-events.c \
+ $(OUTPUT)pmu-events/metric_test.log \
+ $(OUTPUT)pmu-events/test-empty-pmu-events.c \
+ $(OUTPUT)pmu-events/empty-pmu-events.log
+endif
+
+clean:: $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBSYMBOL)-clean $(LIBPERF)-clean \
+ arm64-sysreg-defs-clean fixdep-clean python-clean bpf-skel-clean \
+ tests-coresight-targets-clean pmu-events-clean
+ $(call QUIET_CLEAN, core-objs) $(RM) $(LIBPERF_A) $(OUTPUT)perf-archive \
+ $(OUTPUT)perf-iostat $(LANG_BINDINGS)
+ $(Q)find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '*.a' -delete -o \
+ -name '\.*.cmd' -delete -o -name '\.*.d' -delete -o -name '*.shellcheck_log' -delete
$(Q)$(RM) $(OUTPUT).config-detected
- $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32 $(OUTPUT)pmu-events/jevents $(OUTPUT)$(LIBJVMTI).so
- $(call QUIET_CLEAN, core-gen) $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)FEATURE-DUMP $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* \
+ $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 \
+ perf-read-vdsox32 $(OUTPUT)$(LIBJVMTI).so
+ $(call QUIET_CLEAN, core-gen) $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo \
+ $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE \
+ $(OUTPUT)FEATURE-DUMP $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* \
$(OUTPUT)util/intel-pt-decoder/inat-tables.c \
$(OUTPUT)tests/llvm-src-{base,kbuild,prologue,relocation}.c \
- $(OUTPUT)pmu-events/pmu-events.c
- $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean
- $(python-clean)
+ $(OUTPUT)$(fadvise_advice_array) \
+ $(OUTPUT)$(fsconfig_arrays) \
+ $(OUTPUT)$(fsmount_arrays) \
+ $(OUTPUT)$(fspick_arrays) \
+ $(OUTPUT)$(madvise_behavior_array) \
+ $(OUTPUT)$(mmap_flags_array) \
+ $(OUTPUT)$(mmap_prot_array) \
+ $(OUTPUT)$(mremap_flags_array) \
+ $(OUTPUT)$(mount_flags_array) \
+ $(OUTPUT)$(move_mount_flags_array) \
+ $(OUTPUT)$(drm_ioctl_array) \
+ $(OUTPUT)$(pkey_alloc_access_rights_array) \
+ $(OUTPUT)$(sndrv_ctl_ioctl_array) \
+ $(OUTPUT)$(sndrv_pcm_ioctl_array) \
+ $(OUTPUT)$(kvm_ioctl_array) \
+ $(OUTPUT)$(kcmp_type_array) \
+ $(OUTPUT)$(socket_arrays) \
+ $(OUTPUT)$(sockaddr_arrays) \
+ $(OUTPUT)$(vhost_virtio_ioctl_array) \
+ $(OUTPUT)$(perf_ioctl_array) \
+ $(OUTPUT)$(prctl_option_array) \
+ $(OUTPUT)$(usbdevfs_ioctl_array) \
+ $(OUTPUT)$(x86_arch_irq_vectors_array) \
+ $(OUTPUT)$(x86_arch_MSRs_array) \
+ $(OUTPUT)$(x86_arch_prctl_code_array) \
+ $(OUTPUT)$(rename_flags_array) \
+ $(OUTPUT)$(arch_errno_name_array) \
+ $(OUTPUT)$(sync_file_range_arrays)
+ $(call QUIET_CLEAN, Documentation) \
+ $(MAKE) -C $(DOC_DIR) O=$(OUTPUT) clean >/dev/null
#
# To provide FEATURE-DUMP into $(FEATURE_DUMP_COPY)
@@ -749,21 +1342,15 @@ else
@echo "FEATURE-DUMP file available in $(OUTPUT)FEATURE-DUMP"
endif
-#
-# Trick: if ../../.git does not exist - we are building out of tree for example,
-# then force version regeneration:
-#
-ifeq ($(wildcard ../../.git/HEAD),)
- GIT-HEAD-PHONY = ../../.git/HEAD
-else
- GIT-HEAD-PHONY =
-endif
FORCE:
.PHONY: all install clean config-clean strip install-gtk
.PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
-.PHONY: $(GIT-HEAD-PHONY) TAGS tags cscope FORCE prepare
-.PHONY: libtraceevent_plugins archheaders
+.PHONY: .FORCE-PERF-VERSION-FILE TAGS tags cscope FORCE prepare
+.PHONY: archheaders python_perf_target
endif # force_fixdep
+
+# Delete partially updated (corrupted) files on error
+.DELETE_ON_ERROR:
diff --git a/tools/perf/arch/Build b/tools/perf/arch/Build
index 109eb75cf7de..f0d96a13445c 100644
--- a/tools/perf/arch/Build
+++ b/tools/perf/arch/Build
@@ -1,2 +1,3 @@
-libperf-y += common.o
-libperf-y += $(ARCH)/
+perf-util-y += common.o
+perf-test-y += $(SRCARCH)/
+perf-util-y += $(SRCARCH)/
diff --git a/tools/perf/arch/alpha/entry/syscalls/syscall.tbl b/tools/perf/arch/alpha/entry/syscalls/syscall.tbl
new file mode 100644
index 000000000000..74720667fe09
--- /dev/null
+++ b/tools/perf/arch/alpha/entry/syscalls/syscall.tbl
@@ -0,0 +1,504 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for alpha
+#
+# The format is:
+# <number> <abi> <name> <entry point>
+#
+# The <abi> is always "common" for this file
+#
+0 common osf_syscall alpha_syscall_zero
+1 common exit sys_exit
+2 common fork alpha_fork
+3 common read sys_read
+4 common write sys_write
+5 common osf_old_open sys_ni_syscall
+6 common close sys_close
+7 common osf_wait4 sys_osf_wait4
+8 common osf_old_creat sys_ni_syscall
+9 common link sys_link
+10 common unlink sys_unlink
+11 common osf_execve sys_ni_syscall
+12 common chdir sys_chdir
+13 common fchdir sys_fchdir
+14 common mknod sys_mknod
+15 common chmod sys_chmod
+16 common chown sys_chown
+17 common brk sys_osf_brk
+18 common osf_getfsstat sys_ni_syscall
+19 common lseek sys_lseek
+20 common getxpid sys_getxpid
+21 common osf_mount sys_osf_mount
+22 common umount2 sys_umount
+23 common setuid sys_setuid
+24 common getxuid sys_getxuid
+25 common exec_with_loader sys_ni_syscall
+26 common ptrace sys_ptrace
+27 common osf_nrecvmsg sys_ni_syscall
+28 common osf_nsendmsg sys_ni_syscall
+29 common osf_nrecvfrom sys_ni_syscall
+30 common osf_naccept sys_ni_syscall
+31 common osf_ngetpeername sys_ni_syscall
+32 common osf_ngetsockname sys_ni_syscall
+33 common access sys_access
+34 common osf_chflags sys_ni_syscall
+35 common osf_fchflags sys_ni_syscall
+36 common sync sys_sync
+37 common kill sys_kill
+38 common osf_old_stat sys_ni_syscall
+39 common setpgid sys_setpgid
+40 common osf_old_lstat sys_ni_syscall
+41 common dup sys_dup
+42 common pipe sys_alpha_pipe
+43 common osf_set_program_attributes sys_osf_set_program_attributes
+44 common osf_profil sys_ni_syscall
+45 common open sys_open
+46 common osf_old_sigaction sys_ni_syscall
+47 common getxgid sys_getxgid
+48 common osf_sigprocmask sys_osf_sigprocmask
+49 common osf_getlogin sys_ni_syscall
+50 common osf_setlogin sys_ni_syscall
+51 common acct sys_acct
+52 common sigpending sys_sigpending
+54 common ioctl sys_ioctl
+55 common osf_reboot sys_ni_syscall
+56 common osf_revoke sys_ni_syscall
+57 common symlink sys_symlink
+58 common readlink sys_readlink
+59 common execve sys_execve
+60 common umask sys_umask
+61 common chroot sys_chroot
+62 common osf_old_fstat sys_ni_syscall
+63 common getpgrp sys_getpgrp
+64 common getpagesize sys_getpagesize
+65 common osf_mremap sys_ni_syscall
+66 common vfork alpha_vfork
+67 common stat sys_newstat
+68 common lstat sys_newlstat
+69 common osf_sbrk sys_ni_syscall
+70 common osf_sstk sys_ni_syscall
+71 common mmap sys_osf_mmap
+72 common osf_old_vadvise sys_ni_syscall
+73 common munmap sys_munmap
+74 common mprotect sys_mprotect
+75 common madvise sys_madvise
+76 common vhangup sys_vhangup
+77 common osf_kmodcall sys_ni_syscall
+78 common osf_mincore sys_ni_syscall
+79 common getgroups sys_getgroups
+80 common setgroups sys_setgroups
+81 common osf_old_getpgrp sys_ni_syscall
+82 common setpgrp sys_setpgid
+83 common osf_setitimer compat_sys_setitimer
+84 common osf_old_wait sys_ni_syscall
+85 common osf_table sys_ni_syscall
+86 common osf_getitimer compat_sys_getitimer
+87 common gethostname sys_gethostname
+88 common sethostname sys_sethostname
+89 common getdtablesize sys_getdtablesize
+90 common dup2 sys_dup2
+91 common fstat sys_newfstat
+92 common fcntl sys_fcntl
+93 common osf_select sys_osf_select
+94 common poll sys_poll
+95 common fsync sys_fsync
+96 common setpriority sys_setpriority
+97 common socket sys_socket
+98 common connect sys_connect
+99 common accept sys_accept
+100 common getpriority sys_osf_getpriority
+101 common send sys_send
+102 common recv sys_recv
+103 common sigreturn sys_sigreturn
+104 common bind sys_bind
+105 common setsockopt sys_setsockopt
+106 common listen sys_listen
+107 common osf_plock sys_ni_syscall
+108 common osf_old_sigvec sys_ni_syscall
+109 common osf_old_sigblock sys_ni_syscall
+110 common osf_old_sigsetmask sys_ni_syscall
+111 common sigsuspend sys_sigsuspend
+112 common osf_sigstack sys_osf_sigstack
+113 common recvmsg sys_recvmsg
+114 common sendmsg sys_sendmsg
+115 common osf_old_vtrace sys_ni_syscall
+116 common osf_gettimeofday sys_osf_gettimeofday
+117 common osf_getrusage sys_osf_getrusage
+118 common getsockopt sys_getsockopt
+120 common readv sys_readv
+121 common writev sys_writev
+122 common osf_settimeofday sys_osf_settimeofday
+123 common fchown sys_fchown
+124 common fchmod sys_fchmod
+125 common recvfrom sys_recvfrom
+126 common setreuid sys_setreuid
+127 common setregid sys_setregid
+128 common rename sys_rename
+129 common truncate sys_truncate
+130 common ftruncate sys_ftruncate
+131 common flock sys_flock
+132 common setgid sys_setgid
+133 common sendto sys_sendto
+134 common shutdown sys_shutdown
+135 common socketpair sys_socketpair
+136 common mkdir sys_mkdir
+137 common rmdir sys_rmdir
+138 common osf_utimes sys_osf_utimes
+139 common osf_old_sigreturn sys_ni_syscall
+140 common osf_adjtime sys_ni_syscall
+141 common getpeername sys_getpeername
+142 common osf_gethostid sys_ni_syscall
+143 common osf_sethostid sys_ni_syscall
+144 common getrlimit sys_getrlimit
+145 common setrlimit sys_setrlimit
+146 common osf_old_killpg sys_ni_syscall
+147 common setsid sys_setsid
+148 common quotactl sys_quotactl
+149 common osf_oldquota sys_ni_syscall
+150 common getsockname sys_getsockname
+153 common osf_pid_block sys_ni_syscall
+154 common osf_pid_unblock sys_ni_syscall
+156 common sigaction sys_osf_sigaction
+157 common osf_sigwaitprim sys_ni_syscall
+158 common osf_nfssvc sys_ni_syscall
+159 common osf_getdirentries sys_osf_getdirentries
+160 common osf_statfs sys_osf_statfs
+161 common osf_fstatfs sys_osf_fstatfs
+163 common osf_asynch_daemon sys_ni_syscall
+164 common osf_getfh sys_ni_syscall
+165 common osf_getdomainname sys_osf_getdomainname
+166 common setdomainname sys_setdomainname
+169 common osf_exportfs sys_ni_syscall
+181 common osf_alt_plock sys_ni_syscall
+184 common osf_getmnt sys_ni_syscall
+187 common osf_alt_sigpending sys_ni_syscall
+188 common osf_alt_setsid sys_ni_syscall
+199 common osf_swapon sys_swapon
+200 common msgctl sys_old_msgctl
+201 common msgget sys_msgget
+202 common msgrcv sys_msgrcv
+203 common msgsnd sys_msgsnd
+204 common semctl sys_old_semctl
+205 common semget sys_semget
+206 common semop sys_semop
+207 common osf_utsname sys_osf_utsname
+208 common lchown sys_lchown
+209 common shmat sys_shmat
+210 common shmctl sys_old_shmctl
+211 common shmdt sys_shmdt
+212 common shmget sys_shmget
+213 common osf_mvalid sys_ni_syscall
+214 common osf_getaddressconf sys_ni_syscall
+215 common osf_msleep sys_ni_syscall
+216 common osf_mwakeup sys_ni_syscall
+217 common msync sys_msync
+218 common osf_signal sys_ni_syscall
+219 common osf_utc_gettime sys_ni_syscall
+220 common osf_utc_adjtime sys_ni_syscall
+222 common osf_security sys_ni_syscall
+223 common osf_kloadcall sys_ni_syscall
+224 common osf_stat sys_osf_stat
+225 common osf_lstat sys_osf_lstat
+226 common osf_fstat sys_osf_fstat
+227 common osf_statfs64 sys_osf_statfs64
+228 common osf_fstatfs64 sys_osf_fstatfs64
+233 common getpgid sys_getpgid
+234 common getsid sys_getsid
+235 common sigaltstack sys_sigaltstack
+236 common osf_waitid sys_ni_syscall
+237 common osf_priocntlset sys_ni_syscall
+238 common osf_sigsendset sys_ni_syscall
+239 common osf_set_speculative sys_ni_syscall
+240 common osf_msfs_syscall sys_ni_syscall
+241 common osf_sysinfo sys_osf_sysinfo
+242 common osf_uadmin sys_ni_syscall
+243 common osf_fuser sys_ni_syscall
+244 common osf_proplist_syscall sys_osf_proplist_syscall
+245 common osf_ntp_adjtime sys_ni_syscall
+246 common osf_ntp_gettime sys_ni_syscall
+247 common osf_pathconf sys_ni_syscall
+248 common osf_fpathconf sys_ni_syscall
+250 common osf_uswitch sys_ni_syscall
+251 common osf_usleep_thread sys_osf_usleep_thread
+252 common osf_audcntl sys_ni_syscall
+253 common osf_audgen sys_ni_syscall
+254 common sysfs sys_sysfs
+255 common osf_subsys_info sys_ni_syscall
+256 common osf_getsysinfo sys_osf_getsysinfo
+257 common osf_setsysinfo sys_osf_setsysinfo
+258 common osf_afs_syscall sys_ni_syscall
+259 common osf_swapctl sys_ni_syscall
+260 common osf_memcntl sys_ni_syscall
+261 common osf_fdatasync sys_ni_syscall
+300 common bdflush sys_ni_syscall
+301 common sethae sys_sethae
+302 common mount sys_mount
+303 common old_adjtimex sys_old_adjtimex
+304 common swapoff sys_swapoff
+305 common getdents sys_getdents
+306 common create_module sys_ni_syscall
+307 common init_module sys_init_module
+308 common delete_module sys_delete_module
+309 common get_kernel_syms sys_ni_syscall
+310 common syslog sys_syslog
+311 common reboot sys_reboot
+312 common clone alpha_clone
+313 common uselib sys_uselib
+314 common mlock sys_mlock
+315 common munlock sys_munlock
+316 common mlockall sys_mlockall
+317 common munlockall sys_munlockall
+318 common sysinfo sys_sysinfo
+319 common _sysctl sys_ni_syscall
+# 320 was sys_idle
+321 common oldumount sys_oldumount
+322 common swapon sys_swapon
+323 common times sys_times
+324 common personality sys_personality
+325 common setfsuid sys_setfsuid
+326 common setfsgid sys_setfsgid
+327 common ustat sys_ustat
+328 common statfs sys_statfs
+329 common fstatfs sys_fstatfs
+330 common sched_setparam sys_sched_setparam
+331 common sched_getparam sys_sched_getparam
+332 common sched_setscheduler sys_sched_setscheduler
+333 common sched_getscheduler sys_sched_getscheduler
+334 common sched_yield sys_sched_yield
+335 common sched_get_priority_max sys_sched_get_priority_max
+336 common sched_get_priority_min sys_sched_get_priority_min
+337 common sched_rr_get_interval sys_sched_rr_get_interval
+338 common afs_syscall sys_ni_syscall
+339 common uname sys_newuname
+340 common nanosleep sys_nanosleep
+341 common mremap sys_mremap
+342 common nfsservctl sys_ni_syscall
+343 common setresuid sys_setresuid
+344 common getresuid sys_getresuid
+345 common pciconfig_read sys_pciconfig_read
+346 common pciconfig_write sys_pciconfig_write
+347 common query_module sys_ni_syscall
+348 common prctl sys_prctl
+349 common pread64 sys_pread64
+350 common pwrite64 sys_pwrite64
+351 common rt_sigreturn sys_rt_sigreturn
+352 common rt_sigaction sys_rt_sigaction
+353 common rt_sigprocmask sys_rt_sigprocmask
+354 common rt_sigpending sys_rt_sigpending
+355 common rt_sigtimedwait sys_rt_sigtimedwait
+356 common rt_sigqueueinfo sys_rt_sigqueueinfo
+357 common rt_sigsuspend sys_rt_sigsuspend
+358 common select sys_select
+359 common gettimeofday sys_gettimeofday
+360 common settimeofday sys_settimeofday
+361 common getitimer sys_getitimer
+362 common setitimer sys_setitimer
+363 common utimes sys_utimes
+364 common getrusage sys_getrusage
+365 common wait4 sys_wait4
+366 common adjtimex sys_adjtimex
+367 common getcwd sys_getcwd
+368 common capget sys_capget
+369 common capset sys_capset
+370 common sendfile sys_sendfile64
+371 common setresgid sys_setresgid
+372 common getresgid sys_getresgid
+373 common dipc sys_ni_syscall
+374 common pivot_root sys_pivot_root
+375 common mincore sys_mincore
+376 common pciconfig_iobase sys_pciconfig_iobase
+377 common getdents64 sys_getdents64
+378 common gettid sys_gettid
+379 common readahead sys_readahead
+# 380 is unused
+381 common tkill sys_tkill
+382 common setxattr sys_setxattr
+383 common lsetxattr sys_lsetxattr
+384 common fsetxattr sys_fsetxattr
+385 common getxattr sys_getxattr
+386 common lgetxattr sys_lgetxattr
+387 common fgetxattr sys_fgetxattr
+388 common listxattr sys_listxattr
+389 common llistxattr sys_llistxattr
+390 common flistxattr sys_flistxattr
+391 common removexattr sys_removexattr
+392 common lremovexattr sys_lremovexattr
+393 common fremovexattr sys_fremovexattr
+394 common futex sys_futex
+395 common sched_setaffinity sys_sched_setaffinity
+396 common sched_getaffinity sys_sched_getaffinity
+397 common tuxcall sys_ni_syscall
+398 common io_setup sys_io_setup
+399 common io_destroy sys_io_destroy
+400 common io_getevents sys_io_getevents
+401 common io_submit sys_io_submit
+402 common io_cancel sys_io_cancel
+405 common exit_group sys_exit_group
+406 common lookup_dcookie sys_ni_syscall
+407 common epoll_create sys_epoll_create
+408 common epoll_ctl sys_epoll_ctl
+409 common epoll_wait sys_epoll_wait
+410 common remap_file_pages sys_remap_file_pages
+411 common set_tid_address sys_set_tid_address
+412 common restart_syscall sys_restart_syscall
+413 common fadvise64 sys_fadvise64
+414 common timer_create sys_timer_create
+415 common timer_settime sys_timer_settime
+416 common timer_gettime sys_timer_gettime
+417 common timer_getoverrun sys_timer_getoverrun
+418 common timer_delete sys_timer_delete
+419 common clock_settime sys_clock_settime
+420 common clock_gettime sys_clock_gettime
+421 common clock_getres sys_clock_getres
+422 common clock_nanosleep sys_clock_nanosleep
+423 common semtimedop sys_semtimedop
+424 common tgkill sys_tgkill
+425 common stat64 sys_stat64
+426 common lstat64 sys_lstat64
+427 common fstat64 sys_fstat64
+428 common vserver sys_ni_syscall
+429 common mbind sys_ni_syscall
+430 common get_mempolicy sys_ni_syscall
+431 common set_mempolicy sys_ni_syscall
+432 common mq_open sys_mq_open
+433 common mq_unlink sys_mq_unlink
+434 common mq_timedsend sys_mq_timedsend
+435 common mq_timedreceive sys_mq_timedreceive
+436 common mq_notify sys_mq_notify
+437 common mq_getsetattr sys_mq_getsetattr
+438 common waitid sys_waitid
+439 common add_key sys_add_key
+440 common request_key sys_request_key
+441 common keyctl sys_keyctl
+442 common ioprio_set sys_ioprio_set
+443 common ioprio_get sys_ioprio_get
+444 common inotify_init sys_inotify_init
+445 common inotify_add_watch sys_inotify_add_watch
+446 common inotify_rm_watch sys_inotify_rm_watch
+447 common fdatasync sys_fdatasync
+448 common kexec_load sys_kexec_load
+449 common migrate_pages sys_migrate_pages
+450 common openat sys_openat
+451 common mkdirat sys_mkdirat
+452 common mknodat sys_mknodat
+453 common fchownat sys_fchownat
+454 common futimesat sys_futimesat
+455 common fstatat64 sys_fstatat64
+456 common unlinkat sys_unlinkat
+457 common renameat sys_renameat
+458 common linkat sys_linkat
+459 common symlinkat sys_symlinkat
+460 common readlinkat sys_readlinkat
+461 common fchmodat sys_fchmodat
+462 common faccessat sys_faccessat
+463 common pselect6 sys_pselect6
+464 common ppoll sys_ppoll
+465 common unshare sys_unshare
+466 common set_robust_list sys_set_robust_list
+467 common get_robust_list sys_get_robust_list
+468 common splice sys_splice
+469 common sync_file_range sys_sync_file_range
+470 common tee sys_tee
+471 common vmsplice sys_vmsplice
+472 common move_pages sys_move_pages
+473 common getcpu sys_getcpu
+474 common epoll_pwait sys_epoll_pwait
+475 common utimensat sys_utimensat
+476 common signalfd sys_signalfd
+477 common timerfd sys_ni_syscall
+478 common eventfd sys_eventfd
+479 common recvmmsg sys_recvmmsg
+480 common fallocate sys_fallocate
+481 common timerfd_create sys_timerfd_create
+482 common timerfd_settime sys_timerfd_settime
+483 common timerfd_gettime sys_timerfd_gettime
+484 common signalfd4 sys_signalfd4
+485 common eventfd2 sys_eventfd2
+486 common epoll_create1 sys_epoll_create1
+487 common dup3 sys_dup3
+488 common pipe2 sys_pipe2
+489 common inotify_init1 sys_inotify_init1
+490 common preadv sys_preadv
+491 common pwritev sys_pwritev
+492 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
+493 common perf_event_open sys_perf_event_open
+494 common fanotify_init sys_fanotify_init
+495 common fanotify_mark sys_fanotify_mark
+496 common prlimit64 sys_prlimit64
+497 common name_to_handle_at sys_name_to_handle_at
+498 common open_by_handle_at sys_open_by_handle_at
+499 common clock_adjtime sys_clock_adjtime
+500 common syncfs sys_syncfs
+501 common setns sys_setns
+502 common accept4 sys_accept4
+503 common sendmmsg sys_sendmmsg
+504 common process_vm_readv sys_process_vm_readv
+505 common process_vm_writev sys_process_vm_writev
+506 common kcmp sys_kcmp
+507 common finit_module sys_finit_module
+508 common sched_setattr sys_sched_setattr
+509 common sched_getattr sys_sched_getattr
+510 common renameat2 sys_renameat2
+511 common getrandom sys_getrandom
+512 common memfd_create sys_memfd_create
+513 common execveat sys_execveat
+514 common seccomp sys_seccomp
+515 common bpf sys_bpf
+516 common userfaultfd sys_userfaultfd
+517 common membarrier sys_membarrier
+518 common mlock2 sys_mlock2
+519 common copy_file_range sys_copy_file_range
+520 common preadv2 sys_preadv2
+521 common pwritev2 sys_pwritev2
+522 common statx sys_statx
+523 common io_pgetevents sys_io_pgetevents
+524 common pkey_mprotect sys_pkey_mprotect
+525 common pkey_alloc sys_pkey_alloc
+526 common pkey_free sys_pkey_free
+527 common rseq sys_rseq
+528 common statfs64 sys_statfs64
+529 common fstatfs64 sys_fstatfs64
+530 common getegid sys_getegid
+531 common geteuid sys_geteuid
+532 common getppid sys_getppid
+# all other architectures have common numbers for new syscall, alpha
+# is the exception.
+534 common pidfd_send_signal sys_pidfd_send_signal
+535 common io_uring_setup sys_io_uring_setup
+536 common io_uring_enter sys_io_uring_enter
+537 common io_uring_register sys_io_uring_register
+538 common open_tree sys_open_tree
+539 common move_mount sys_move_mount
+540 common fsopen sys_fsopen
+541 common fsconfig sys_fsconfig
+542 common fsmount sys_fsmount
+543 common fspick sys_fspick
+544 common pidfd_open sys_pidfd_open
+545 common clone3 alpha_clone3
+546 common close_range sys_close_range
+547 common openat2 sys_openat2
+548 common pidfd_getfd sys_pidfd_getfd
+549 common faccessat2 sys_faccessat2
+550 common process_madvise sys_process_madvise
+551 common epoll_pwait2 sys_epoll_pwait2
+552 common mount_setattr sys_mount_setattr
+553 common quotactl_fd sys_quotactl_fd
+554 common landlock_create_ruleset sys_landlock_create_ruleset
+555 common landlock_add_rule sys_landlock_add_rule
+556 common landlock_restrict_self sys_landlock_restrict_self
+# 557 reserved for memfd_secret
+558 common process_mrelease sys_process_mrelease
+559 common futex_waitv sys_futex_waitv
+560 common set_mempolicy_home_node sys_ni_syscall
+561 common cachestat sys_cachestat
+562 common fchmodat2 sys_fchmodat2
+563 common map_shadow_stack sys_map_shadow_stack
+564 common futex_wake sys_futex_wake
+565 common futex_wait sys_futex_wait
+566 common futex_requeue sys_futex_requeue
+567 common statmount sys_statmount
+568 common listmount sys_listmount
+569 common lsm_get_self_attr sys_lsm_get_self_attr
+570 common lsm_set_self_attr sys_lsm_set_self_attr
+571 common lsm_list_modules sys_lsm_list_modules
+572 common mseal sys_mseal
diff --git a/tools/perf/arch/arc/annotate/instructions.c b/tools/perf/arch/arc/annotate/instructions.c
new file mode 100644
index 000000000000..e5619770a1af
--- /dev/null
+++ b/tools/perf/arch/arc/annotate/instructions.c
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/compiler.h>
+
+static int arc__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+ arch->initialized = true;
+ arch->objdump.comment_char = ';';
+ arch->e_machine = EM_ARC;
+ arch->e_flags = 0;
+ return 0;
+}
diff --git a/tools/perf/arch/arm/Build b/tools/perf/arch/arm/Build
index 41bf61da476a..317425aa3712 100644
--- a/tools/perf/arch/arm/Build
+++ b/tools/perf/arch/arm/Build
@@ -1,2 +1,2 @@
-libperf-y += util/
-libperf-$(CONFIG_DWARF_UNWIND) += tests/
+perf-util-y += util/
+perf-test-$(CONFIG_DWARF_UNWIND) += tests/
diff --git a/tools/perf/arch/arm/Makefile b/tools/perf/arch/arm/Makefile
index 18b13518d8d8..8b59ce8efb89 100644
--- a/tools/perf/arch/arm/Makefile
+++ b/tools/perf/arch/arm/Makefile
@@ -1,4 +1,2 @@
-ifndef NO_DWARF
-PERF_HAVE_DWARF_REGS := 1
-endif
+# SPDX-License-Identifier: GPL-2.0-only
PERF_HAVE_JITDUMP := 1
diff --git a/tools/perf/arch/arm/annotate/instructions.c b/tools/perf/arch/arm/annotate/instructions.c
index 1ce0872b1726..5e667b0f5512 100644
--- a/tools/perf/arch/arm/annotate/instructions.c
+++ b/tools/perf/arch/arm/annotate/instructions.c
@@ -1,5 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/compiler.h>
+#include <linux/zalloc.h>
+#include <errno.h>
#include <sys/types.h>
#include <regex.h>
+#include <stdlib.h>
struct arm_annotate {
regex_t call_insn,
@@ -23,7 +28,7 @@ static struct ins_ops *arm__associate_instruction_ops(struct arch *arch, const c
return ops;
}
-static int arm__annotate_init(struct arch *arch)
+static int arm__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
{
struct arm_annotate *arm;
int err;
@@ -33,7 +38,7 @@ static int arm__annotate_init(struct arch *arch)
arm = zalloc(sizeof(*arm));
if (!arm)
- return -1;
+ return ENOMEM;
#define ARM_CONDS "(cc|cs|eq|ge|gt|hi|le|ls|lt|mi|ne|pl|vc|vs)"
err = regcomp(&arm->call_insn, "^blx?" ARM_CONDS "?$", REG_EXTENDED);
@@ -49,11 +54,13 @@ static int arm__annotate_init(struct arch *arch)
arch->associate_instruction_ops = arm__associate_instruction_ops;
arch->objdump.comment_char = ';';
arch->objdump.skip_functions_char = '+';
+ arch->e_machine = EM_ARM;
+ arch->e_flags = 0;
return 0;
out_free_call:
regfree(&arm->call_insn);
out_free_arm:
free(arm);
- return -1;
+ return SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_REGEXP;
}
diff --git a/tools/perf/arch/arm/entry/syscalls/syscall.tbl b/tools/perf/arch/arm/entry/syscalls/syscall.tbl
new file mode 100644
index 000000000000..b07e699aaa3c
--- /dev/null
+++ b/tools/perf/arch/arm/entry/syscalls/syscall.tbl
@@ -0,0 +1,486 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# Linux system call numbers and entry vectors
+#
+# The format is:
+# <num> <abi> <name> [<entry point> [<oabi compat entry point>]]
+#
+# Where abi is:
+# common - for system calls shared between oabi and eabi (may have compat)
+# oabi - for oabi-only system calls (may have compat)
+# eabi - for eabi-only system calls
+#
+# For each syscall number, "common" is mutually exclusive with oabi and eabi
+#
+0 common restart_syscall sys_restart_syscall
+1 common exit sys_exit
+2 common fork sys_fork
+3 common read sys_read
+4 common write sys_write
+5 common open sys_open
+6 common close sys_close
+# 7 was sys_waitpid
+8 common creat sys_creat
+9 common link sys_link
+10 common unlink sys_unlink
+11 common execve sys_execve
+12 common chdir sys_chdir
+13 oabi time sys_time32
+14 common mknod sys_mknod
+15 common chmod sys_chmod
+16 common lchown sys_lchown16
+# 17 was sys_break
+# 18 was sys_stat
+19 common lseek sys_lseek
+20 common getpid sys_getpid
+21 common mount sys_mount
+22 oabi umount sys_oldumount
+23 common setuid sys_setuid16
+24 common getuid sys_getuid16
+25 oabi stime sys_stime32
+26 common ptrace sys_ptrace
+27 oabi alarm sys_alarm
+# 28 was sys_fstat
+29 common pause sys_pause
+30 oabi utime sys_utime32
+# 31 was sys_stty
+# 32 was sys_gtty
+33 common access sys_access
+34 common nice sys_nice
+# 35 was sys_ftime
+36 common sync sys_sync
+37 common kill sys_kill
+38 common rename sys_rename
+39 common mkdir sys_mkdir
+40 common rmdir sys_rmdir
+41 common dup sys_dup
+42 common pipe sys_pipe
+43 common times sys_times
+# 44 was sys_prof
+45 common brk sys_brk
+46 common setgid sys_setgid16
+47 common getgid sys_getgid16
+# 48 was sys_signal
+49 common geteuid sys_geteuid16
+50 common getegid sys_getegid16
+51 common acct sys_acct
+52 common umount2 sys_umount
+# 53 was sys_lock
+54 common ioctl sys_ioctl
+55 common fcntl sys_fcntl
+# 56 was sys_mpx
+57 common setpgid sys_setpgid
+# 58 was sys_ulimit
+# 59 was sys_olduname
+60 common umask sys_umask
+61 common chroot sys_chroot
+62 common ustat sys_ustat
+63 common dup2 sys_dup2
+64 common getppid sys_getppid
+65 common getpgrp sys_getpgrp
+66 common setsid sys_setsid
+67 common sigaction sys_sigaction
+# 68 was sys_sgetmask
+# 69 was sys_ssetmask
+70 common setreuid sys_setreuid16
+71 common setregid sys_setregid16
+72 common sigsuspend sys_sigsuspend
+73 common sigpending sys_sigpending
+74 common sethostname sys_sethostname
+75 common setrlimit sys_setrlimit
+# Back compat 2GB limited rlimit
+76 oabi getrlimit sys_old_getrlimit
+77 common getrusage sys_getrusage
+78 common gettimeofday sys_gettimeofday
+79 common settimeofday sys_settimeofday
+80 common getgroups sys_getgroups16
+81 common setgroups sys_setgroups16
+82 oabi select sys_old_select
+83 common symlink sys_symlink
+# 84 was sys_lstat
+85 common readlink sys_readlink
+86 common uselib sys_uselib
+87 common swapon sys_swapon
+88 common reboot sys_reboot
+89 oabi readdir sys_old_readdir
+90 oabi mmap sys_old_mmap
+91 common munmap sys_munmap
+92 common truncate sys_truncate
+93 common ftruncate sys_ftruncate
+94 common fchmod sys_fchmod
+95 common fchown sys_fchown16
+96 common getpriority sys_getpriority
+97 common setpriority sys_setpriority
+# 98 was sys_profil
+99 common statfs sys_statfs
+100 common fstatfs sys_fstatfs
+# 101 was sys_ioperm
+102 oabi socketcall sys_socketcall sys_oabi_socketcall
+103 common syslog sys_syslog
+104 common setitimer sys_setitimer
+105 common getitimer sys_getitimer
+106 common stat sys_newstat
+107 common lstat sys_newlstat
+108 common fstat sys_newfstat
+# 109 was sys_uname
+# 110 was sys_iopl
+111 common vhangup sys_vhangup
+# 112 was sys_idle
+# syscall to call a syscall!
+113 oabi syscall sys_syscall
+114 common wait4 sys_wait4
+115 common swapoff sys_swapoff
+116 common sysinfo sys_sysinfo
+117 oabi ipc sys_ipc sys_oabi_ipc
+118 common fsync sys_fsync
+119 common sigreturn sys_sigreturn_wrapper
+120 common clone sys_clone
+121 common setdomainname sys_setdomainname
+122 common uname sys_newuname
+# 123 was sys_modify_ldt
+124 common adjtimex sys_adjtimex_time32
+125 common mprotect sys_mprotect
+126 common sigprocmask sys_sigprocmask
+# 127 was sys_create_module
+128 common init_module sys_init_module
+129 common delete_module sys_delete_module
+# 130 was sys_get_kernel_syms
+131 common quotactl sys_quotactl
+132 common getpgid sys_getpgid
+133 common fchdir sys_fchdir
+134 common bdflush sys_ni_syscall
+135 common sysfs sys_sysfs
+136 common personality sys_personality
+# 137 was sys_afs_syscall
+138 common setfsuid sys_setfsuid16
+139 common setfsgid sys_setfsgid16
+140 common _llseek sys_llseek
+141 common getdents sys_getdents
+142 common _newselect sys_select
+143 common flock sys_flock
+144 common msync sys_msync
+145 common readv sys_readv
+146 common writev sys_writev
+147 common getsid sys_getsid
+148 common fdatasync sys_fdatasync
+149 common _sysctl sys_ni_syscall
+150 common mlock sys_mlock
+151 common munlock sys_munlock
+152 common mlockall sys_mlockall
+153 common munlockall sys_munlockall
+154 common sched_setparam sys_sched_setparam
+155 common sched_getparam sys_sched_getparam
+156 common sched_setscheduler sys_sched_setscheduler
+157 common sched_getscheduler sys_sched_getscheduler
+158 common sched_yield sys_sched_yield
+159 common sched_get_priority_max sys_sched_get_priority_max
+160 common sched_get_priority_min sys_sched_get_priority_min
+161 common sched_rr_get_interval sys_sched_rr_get_interval_time32
+162 common nanosleep sys_nanosleep_time32
+163 common mremap sys_mremap
+164 common setresuid sys_setresuid16
+165 common getresuid sys_getresuid16
+# 166 was sys_vm86
+# 167 was sys_query_module
+168 common poll sys_poll
+169 common nfsservctl
+170 common setresgid sys_setresgid16
+171 common getresgid sys_getresgid16
+172 common prctl sys_prctl
+173 common rt_sigreturn sys_rt_sigreturn_wrapper
+174 common rt_sigaction sys_rt_sigaction
+175 common rt_sigprocmask sys_rt_sigprocmask
+176 common rt_sigpending sys_rt_sigpending
+177 common rt_sigtimedwait sys_rt_sigtimedwait_time32
+178 common rt_sigqueueinfo sys_rt_sigqueueinfo
+179 common rt_sigsuspend sys_rt_sigsuspend
+180 common pread64 sys_pread64 sys_oabi_pread64
+181 common pwrite64 sys_pwrite64 sys_oabi_pwrite64
+182 common chown sys_chown16
+183 common getcwd sys_getcwd
+184 common capget sys_capget
+185 common capset sys_capset
+186 common sigaltstack sys_sigaltstack
+187 common sendfile sys_sendfile
+# 188 reserved
+# 189 reserved
+190 common vfork sys_vfork
+# SuS compliant getrlimit
+191 common ugetrlimit sys_getrlimit
+192 common mmap2 sys_mmap2
+193 common truncate64 sys_truncate64 sys_oabi_truncate64
+194 common ftruncate64 sys_ftruncate64 sys_oabi_ftruncate64
+195 common stat64 sys_stat64 sys_oabi_stat64
+196 common lstat64 sys_lstat64 sys_oabi_lstat64
+197 common fstat64 sys_fstat64 sys_oabi_fstat64
+198 common lchown32 sys_lchown
+199 common getuid32 sys_getuid
+200 common getgid32 sys_getgid
+201 common geteuid32 sys_geteuid
+202 common getegid32 sys_getegid
+203 common setreuid32 sys_setreuid
+204 common setregid32 sys_setregid
+205 common getgroups32 sys_getgroups
+206 common setgroups32 sys_setgroups
+207 common fchown32 sys_fchown
+208 common setresuid32 sys_setresuid
+209 common getresuid32 sys_getresuid
+210 common setresgid32 sys_setresgid
+211 common getresgid32 sys_getresgid
+212 common chown32 sys_chown
+213 common setuid32 sys_setuid
+214 common setgid32 sys_setgid
+215 common setfsuid32 sys_setfsuid
+216 common setfsgid32 sys_setfsgid
+217 common getdents64 sys_getdents64
+218 common pivot_root sys_pivot_root
+219 common mincore sys_mincore
+220 common madvise sys_madvise
+221 common fcntl64 sys_fcntl64 sys_oabi_fcntl64
+# 222 for tux
+# 223 is unused
+224 common gettid sys_gettid
+225 common readahead sys_readahead sys_oabi_readahead
+226 common setxattr sys_setxattr
+227 common lsetxattr sys_lsetxattr
+228 common fsetxattr sys_fsetxattr
+229 common getxattr sys_getxattr
+230 common lgetxattr sys_lgetxattr
+231 common fgetxattr sys_fgetxattr
+232 common listxattr sys_listxattr
+233 common llistxattr sys_llistxattr
+234 common flistxattr sys_flistxattr
+235 common removexattr sys_removexattr
+236 common lremovexattr sys_lremovexattr
+237 common fremovexattr sys_fremovexattr
+238 common tkill sys_tkill
+239 common sendfile64 sys_sendfile64
+240 common futex sys_futex_time32
+241 common sched_setaffinity sys_sched_setaffinity
+242 common sched_getaffinity sys_sched_getaffinity
+243 common io_setup sys_io_setup
+244 common io_destroy sys_io_destroy
+245 common io_getevents sys_io_getevents_time32
+246 common io_submit sys_io_submit
+247 common io_cancel sys_io_cancel
+248 common exit_group sys_exit_group
+249 common lookup_dcookie sys_ni_syscall
+250 common epoll_create sys_epoll_create
+251 common epoll_ctl sys_epoll_ctl sys_oabi_epoll_ctl
+252 common epoll_wait sys_epoll_wait
+253 common remap_file_pages sys_remap_file_pages
+# 254 for set_thread_area
+# 255 for get_thread_area
+256 common set_tid_address sys_set_tid_address
+257 common timer_create sys_timer_create
+258 common timer_settime sys_timer_settime32
+259 common timer_gettime sys_timer_gettime32
+260 common timer_getoverrun sys_timer_getoverrun
+261 common timer_delete sys_timer_delete
+262 common clock_settime sys_clock_settime32
+263 common clock_gettime sys_clock_gettime32
+264 common clock_getres sys_clock_getres_time32
+265 common clock_nanosleep sys_clock_nanosleep_time32
+266 common statfs64 sys_statfs64_wrapper
+267 common fstatfs64 sys_fstatfs64_wrapper
+268 common tgkill sys_tgkill
+269 common utimes sys_utimes_time32
+270 common arm_fadvise64_64 sys_arm_fadvise64_64
+271 common pciconfig_iobase sys_pciconfig_iobase
+272 common pciconfig_read sys_pciconfig_read
+273 common pciconfig_write sys_pciconfig_write
+274 common mq_open sys_mq_open
+275 common mq_unlink sys_mq_unlink
+276 common mq_timedsend sys_mq_timedsend_time32
+277 common mq_timedreceive sys_mq_timedreceive_time32
+278 common mq_notify sys_mq_notify
+279 common mq_getsetattr sys_mq_getsetattr
+280 common waitid sys_waitid
+281 common socket sys_socket
+282 common bind sys_bind sys_oabi_bind
+283 common connect sys_connect sys_oabi_connect
+284 common listen sys_listen
+285 common accept sys_accept
+286 common getsockname sys_getsockname
+287 common getpeername sys_getpeername
+288 common socketpair sys_socketpair
+289 common send sys_send
+290 common sendto sys_sendto sys_oabi_sendto
+291 common recv sys_recv
+292 common recvfrom sys_recvfrom
+293 common shutdown sys_shutdown
+294 common setsockopt sys_setsockopt
+295 common getsockopt sys_getsockopt
+296 common sendmsg sys_sendmsg sys_oabi_sendmsg
+297 common recvmsg sys_recvmsg
+298 common semop sys_semop sys_oabi_semop
+299 common semget sys_semget
+300 common semctl sys_old_semctl
+301 common msgsnd sys_msgsnd
+302 common msgrcv sys_msgrcv
+303 common msgget sys_msgget
+304 common msgctl sys_old_msgctl
+305 common shmat sys_shmat
+306 common shmdt sys_shmdt
+307 common shmget sys_shmget
+308 common shmctl sys_old_shmctl
+309 common add_key sys_add_key
+310 common request_key sys_request_key
+311 common keyctl sys_keyctl
+312 common semtimedop sys_semtimedop_time32 sys_oabi_semtimedop
+313 common vserver
+314 common ioprio_set sys_ioprio_set
+315 common ioprio_get sys_ioprio_get
+316 common inotify_init sys_inotify_init
+317 common inotify_add_watch sys_inotify_add_watch
+318 common inotify_rm_watch sys_inotify_rm_watch
+319 common mbind sys_mbind
+320 common get_mempolicy sys_get_mempolicy
+321 common set_mempolicy sys_set_mempolicy
+322 common openat sys_openat
+323 common mkdirat sys_mkdirat
+324 common mknodat sys_mknodat
+325 common fchownat sys_fchownat
+326 common futimesat sys_futimesat_time32
+327 common fstatat64 sys_fstatat64 sys_oabi_fstatat64
+328 common unlinkat sys_unlinkat
+329 common renameat sys_renameat
+330 common linkat sys_linkat
+331 common symlinkat sys_symlinkat
+332 common readlinkat sys_readlinkat
+333 common fchmodat sys_fchmodat
+334 common faccessat sys_faccessat
+335 common pselect6 sys_pselect6_time32
+336 common ppoll sys_ppoll_time32
+337 common unshare sys_unshare
+338 common set_robust_list sys_set_robust_list
+339 common get_robust_list sys_get_robust_list
+340 common splice sys_splice
+341 common arm_sync_file_range sys_sync_file_range2
+342 common tee sys_tee
+343 common vmsplice sys_vmsplice
+344 common move_pages sys_move_pages
+345 common getcpu sys_getcpu
+346 common epoll_pwait sys_epoll_pwait
+347 common kexec_load sys_kexec_load
+348 common utimensat sys_utimensat_time32
+349 common signalfd sys_signalfd
+350 common timerfd_create sys_timerfd_create
+351 common eventfd sys_eventfd
+352 common fallocate sys_fallocate
+353 common timerfd_settime sys_timerfd_settime32
+354 common timerfd_gettime sys_timerfd_gettime32
+355 common signalfd4 sys_signalfd4
+356 common eventfd2 sys_eventfd2
+357 common epoll_create1 sys_epoll_create1
+358 common dup3 sys_dup3
+359 common pipe2 sys_pipe2
+360 common inotify_init1 sys_inotify_init1
+361 common preadv sys_preadv
+362 common pwritev sys_pwritev
+363 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
+364 common perf_event_open sys_perf_event_open
+365 common recvmmsg sys_recvmmsg_time32
+366 common accept4 sys_accept4
+367 common fanotify_init sys_fanotify_init
+368 common fanotify_mark sys_fanotify_mark
+369 common prlimit64 sys_prlimit64
+370 common name_to_handle_at sys_name_to_handle_at
+371 common open_by_handle_at sys_open_by_handle_at
+372 common clock_adjtime sys_clock_adjtime32
+373 common syncfs sys_syncfs
+374 common sendmmsg sys_sendmmsg
+375 common setns sys_setns
+376 common process_vm_readv sys_process_vm_readv
+377 common process_vm_writev sys_process_vm_writev
+378 common kcmp sys_kcmp
+379 common finit_module sys_finit_module
+380 common sched_setattr sys_sched_setattr
+381 common sched_getattr sys_sched_getattr
+382 common renameat2 sys_renameat2
+383 common seccomp sys_seccomp
+384 common getrandom sys_getrandom
+385 common memfd_create sys_memfd_create
+386 common bpf sys_bpf
+387 common execveat sys_execveat
+388 common userfaultfd sys_userfaultfd
+389 common membarrier sys_membarrier
+390 common mlock2 sys_mlock2
+391 common copy_file_range sys_copy_file_range
+392 common preadv2 sys_preadv2
+393 common pwritev2 sys_pwritev2
+394 common pkey_mprotect sys_pkey_mprotect
+395 common pkey_alloc sys_pkey_alloc
+396 common pkey_free sys_pkey_free
+397 common statx sys_statx
+398 common rseq sys_rseq
+399 common io_pgetevents sys_io_pgetevents_time32
+400 common migrate_pages sys_migrate_pages
+401 common kexec_file_load sys_kexec_file_load
+# 402 is unused
+403 common clock_gettime64 sys_clock_gettime
+404 common clock_settime64 sys_clock_settime
+405 common clock_adjtime64 sys_clock_adjtime
+406 common clock_getres_time64 sys_clock_getres
+407 common clock_nanosleep_time64 sys_clock_nanosleep
+408 common timer_gettime64 sys_timer_gettime
+409 common timer_settime64 sys_timer_settime
+410 common timerfd_gettime64 sys_timerfd_gettime
+411 common timerfd_settime64 sys_timerfd_settime
+412 common utimensat_time64 sys_utimensat
+413 common pselect6_time64 sys_pselect6
+414 common ppoll_time64 sys_ppoll
+416 common io_pgetevents_time64 sys_io_pgetevents
+417 common recvmmsg_time64 sys_recvmmsg
+418 common mq_timedsend_time64 sys_mq_timedsend
+419 common mq_timedreceive_time64 sys_mq_timedreceive
+420 common semtimedop_time64 sys_semtimedop
+421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait
+422 common futex_time64 sys_futex
+423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register
+428 common open_tree sys_open_tree
+429 common move_mount sys_move_mount
+430 common fsopen sys_fsopen
+431 common fsconfig sys_fsconfig
+432 common fsmount sys_fsmount
+433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
+435 common clone3 sys_clone3
+436 common close_range sys_close_range
+437 common openat2 sys_openat2
+438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
+440 common process_madvise sys_process_madvise
+441 common epoll_pwait2 sys_epoll_pwait2
+442 common mount_setattr sys_mount_setattr
+443 common quotactl_fd sys_quotactl_fd
+444 common landlock_create_ruleset sys_landlock_create_ruleset
+445 common landlock_add_rule sys_landlock_add_rule
+446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
+449 common futex_waitv sys_futex_waitv
+450 common set_mempolicy_home_node sys_set_mempolicy_home_node
+451 common cachestat sys_cachestat
+452 common fchmodat2 sys_fchmodat2
+453 common map_shadow_stack sys_map_shadow_stack
+454 common futex_wake sys_futex_wake
+455 common futex_wait sys_futex_wait
+456 common futex_requeue sys_futex_requeue
+457 common statmount sys_statmount
+458 common listmount sys_listmount
+459 common lsm_get_self_attr sys_lsm_get_self_attr
+460 common lsm_set_self_attr sys_lsm_set_self_attr
+461 common lsm_list_modules sys_lsm_list_modules
+462 common mseal sys_mseal
+463 common setxattrat sys_setxattrat
+464 common getxattrat sys_getxattrat
+465 common listxattrat sys_listxattrat
+466 common removexattrat sys_removexattrat
+467 common open_tree_attr sys_open_tree_attr
+468 common file_getattr sys_file_getattr
+469 common file_setattr sys_file_setattr
diff --git a/tools/perf/arch/arm/include/arch-tests.h b/tools/perf/arch/arm/include/arch-tests.h
new file mode 100644
index 000000000000..452b3d904521
--- /dev/null
+++ b/tools/perf/arch/arm/include/arch-tests.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ARCH_TESTS_H
+#define ARCH_TESTS_H
+
+extern struct test_suite *arch_tests[];
+
+#endif
diff --git a/tools/perf/arch/arm/include/dwarf-regs-table.h b/tools/perf/arch/arm/include/dwarf-regs-table.h
index f298d034c37b..5a45046fab72 100644
--- a/tools/perf/arch/arm/include/dwarf-regs-table.h
+++ b/tools/perf/arch/arm/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef DEFINE_DWARF_REGSTR_TABLE
/* This is included in perf/util/dwarf-regs.c */
diff --git a/tools/perf/arch/arm/include/perf_regs.h b/tools/perf/arch/arm/include/perf_regs.h
index f619c9c5a4bf..75ce1c370114 100644
--- a/tools/perf/arch/arm/include/perf_regs.h
+++ b/tools/perf/arch/arm/include/perf_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_PERF_REGS_H
#define ARCH_PERF_REGS_H
@@ -11,49 +12,4 @@ void perf_regs_load(u64 *regs);
#define PERF_REGS_MAX PERF_REG_ARM_MAX
#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32
-#define PERF_REG_IP PERF_REG_ARM_PC
-#define PERF_REG_SP PERF_REG_ARM_SP
-
-static inline const char *perf_reg_name(int id)
-{
- switch (id) {
- case PERF_REG_ARM_R0:
- return "r0";
- case PERF_REG_ARM_R1:
- return "r1";
- case PERF_REG_ARM_R2:
- return "r2";
- case PERF_REG_ARM_R3:
- return "r3";
- case PERF_REG_ARM_R4:
- return "r4";
- case PERF_REG_ARM_R5:
- return "r5";
- case PERF_REG_ARM_R6:
- return "r6";
- case PERF_REG_ARM_R7:
- return "r7";
- case PERF_REG_ARM_R8:
- return "r8";
- case PERF_REG_ARM_R9:
- return "r9";
- case PERF_REG_ARM_R10:
- return "r10";
- case PERF_REG_ARM_FP:
- return "fp";
- case PERF_REG_ARM_IP:
- return "ip";
- case PERF_REG_ARM_SP:
- return "sp";
- case PERF_REG_ARM_LR:
- return "lr";
- case PERF_REG_ARM_PC:
- return "pc";
- default:
- return NULL;
- }
-
- return NULL;
-}
-
#endif /* ARCH_PERF_REGS_H */
diff --git a/tools/perf/arch/arm/tests/Build b/tools/perf/arch/arm/tests/Build
index b30eff9bcc83..599efa545727 100644
--- a/tools/perf/arch/arm/tests/Build
+++ b/tools/perf/arch/arm/tests/Build
@@ -1,2 +1,5 @@
-libperf-y += regs_load.o
-libperf-y += dwarf-unwind.o
+perf-test-y += regs_load.o
+perf-test-y += dwarf-unwind.o
+perf-test-y += vectors-page.o
+
+perf-test-y += arch-tests.o
diff --git a/tools/perf/arch/arm/tests/arch-tests.c b/tools/perf/arch/arm/tests/arch-tests.c
new file mode 100644
index 000000000000..69561111cc6f
--- /dev/null
+++ b/tools/perf/arch/arm/tests/arch-tests.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <string.h>
+#include "tests/tests.h"
+#include "arch-tests.h"
+
+struct test_suite *arch_tests[] = {
+#ifdef HAVE_DWARF_UNWIND_SUPPORT
+ &suite__dwarf_unwind,
+#endif
+ &suite__vectors_page,
+ NULL,
+};
diff --git a/tools/perf/arch/arm/tests/dwarf-unwind.c b/tools/perf/arch/arm/tests/dwarf-unwind.c
index 62eff847f91c..f421910e0709 100644
--- a/tools/perf/arch/arm/tests/dwarf-unwind.c
+++ b/tools/perf/arch/arm/tests/dwarf-unwind.c
@@ -1,7 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
#include <string.h>
#include "perf_regs.h"
#include "thread.h"
#include "map.h"
+#include "maps.h"
#include "event.h"
#include "debug.h"
#include "tests/tests.h"
@@ -24,14 +26,14 @@ static int sample_ustack(struct perf_sample *sample,
sp = (unsigned long) regs[PERF_REG_ARM_SP];
- map = map_groups__find(thread->mg, MAP__VARIABLE, (u64) sp);
+ map = maps__find(thread__maps(thread), (u64)sp);
if (!map) {
pr_debug("failed to get stack map\n");
free(buf);
return -1;
}
- stack_size = map->end - sp;
+ stack_size = map__end(map) - sp;
stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size;
memcpy(buf, (void *) sp, stack_size);
@@ -43,7 +45,7 @@ static int sample_ustack(struct perf_sample *sample,
int test__arch_unwind_sample(struct perf_sample *sample,
struct thread *thread)
{
- struct regs_dump *regs = &sample->user_regs;
+ struct regs_dump *regs = perf_sample__user_regs(sample);
u64 *buf;
buf = calloc(1, sizeof(u64) * PERF_REGS_MAX);
diff --git a/tools/perf/arch/arm/tests/regs_load.S b/tools/perf/arch/arm/tests/regs_load.S
index e09e983946fe..4284307d7822 100644
--- a/tools/perf/arch/arm/tests/regs_load.S
+++ b/tools/perf/arch/arm/tests/regs_load.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#define R0 0x00
@@ -36,7 +37,7 @@
.text
.type perf_regs_load,%function
-ENTRY(perf_regs_load)
+SYM_FUNC_START(perf_regs_load)
str r0, [r0, #R0]
str r1, [r0, #R1]
str r2, [r0, #R2]
@@ -55,4 +56,4 @@ ENTRY(perf_regs_load)
str lr, [r0, #PC] // store pc as lr in order to skip the call
// to this function
mov pc, lr
-ENDPROC(perf_regs_load)
+SYM_FUNC_END(perf_regs_load)
diff --git a/tools/perf/arch/arm/tests/vectors-page.c b/tools/perf/arch/arm/tests/vectors-page.c
new file mode 100644
index 000000000000..55a835837466
--- /dev/null
+++ b/tools/perf/arch/arm/tests/vectors-page.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <string.h>
+#include <linux/compiler.h>
+
+#include "debug.h"
+#include "tests/tests.h"
+#include "util/find-map.c"
+
+#define VECTORS__MAP_NAME "[vectors]"
+
+static int test__vectors_page(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+ void *start, *end;
+
+ if (find_map(&start, &end, VECTORS__MAP_NAME)) {
+ pr_err("%s not found, is CONFIG_KUSER_HELPERS enabled?\n",
+ VECTORS__MAP_NAME);
+ return TEST_FAIL;
+ }
+
+ return TEST_OK;
+}
+
+DEFINE_SUITE("Vectors page", vectors_page);
diff --git a/tools/perf/arch/arm/util/Build b/tools/perf/arch/arm/util/Build
index e64c5f216448..fd695e1fdaee 100644
--- a/tools/perf/arch/arm/util/Build
+++ b/tools/perf/arch/arm/util/Build
@@ -1,6 +1,6 @@
-libperf-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-y += perf_regs.o
-libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
-libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
+perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
+perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
-libperf-$(CONFIG_AUXTRACE) += pmu.o auxtrace.o cs-etm.o
+perf-util-y += pmu.o auxtrace.o cs-etm.o
diff --git a/tools/perf/arch/arm/util/auxtrace.c b/tools/perf/arch/arm/util/auxtrace.c
index 8edf2cb71564..eb6404267f17 100644
--- a/tools/perf/arch/arm/util/auxtrace.c
+++ b/tools/perf/arch/arm/util/auxtrace.c
@@ -1,50 +1,184 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright(C) 2015 Linaro Limited. All rights reserved.
* Author: Mathieu Poirier <mathieu.poirier@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <dirent.h>
+#include <errno.h>
#include <stdbool.h>
#include <linux/coresight-pmu.h>
+#include <linux/zalloc.h>
+#include <api/fs/fs.h>
-#include "../../util/auxtrace.h"
-#include "../../util/evlist.h"
-#include "../../util/pmu.h"
+#include "../../../util/auxtrace.h"
+#include "../../../util/debug.h"
+#include "../../../util/evlist.h"
+#include "../../../util/pmu.h"
+#include "../../../util/pmus.h"
#include "cs-etm.h"
+#include "arm-spe.h"
+#include "hisi-ptt.h"
-struct auxtrace_record
-*auxtrace_record__init(struct perf_evlist *evlist, int *err)
+static struct perf_pmu **find_all_arm_spe_pmus(int *nr_spes, int *err)
{
- struct perf_pmu *cs_etm_pmu;
- struct perf_evsel *evsel;
- bool found_etm = false;
+ struct perf_pmu **arm_spe_pmus = NULL;
+ int ret, i, nr_cpus = sysconf(_SC_NPROCESSORS_CONF);
+ /* arm_spe_xxxxxxxxx\0 */
+ char arm_spe_pmu_name[sizeof(ARM_SPE_PMU_NAME) + 10];
+
+ arm_spe_pmus = zalloc(sizeof(struct perf_pmu *) * nr_cpus);
+ if (!arm_spe_pmus) {
+ pr_err("spes alloc failed\n");
+ *err = -ENOMEM;
+ return NULL;
+ }
- cs_etm_pmu = perf_pmu__find(CORESIGHT_ETM_PMU_NAME);
+ for (i = 0; i < nr_cpus; i++) {
+ ret = sprintf(arm_spe_pmu_name, "%s%d", ARM_SPE_PMU_NAME, i);
+ if (ret < 0) {
+ pr_err("sprintf failed\n");
+ *err = -ENOMEM;
+ return NULL;
+ }
- if (evlist) {
- evlist__for_each_entry(evlist, evsel) {
- if (cs_etm_pmu &&
- evsel->attr.type == cs_etm_pmu->type)
- found_etm = true;
+ arm_spe_pmus[*nr_spes] = perf_pmus__find(arm_spe_pmu_name);
+ if (arm_spe_pmus[*nr_spes]) {
+ pr_debug2("%s %d: arm_spe_pmu %d type %d name %s\n",
+ __func__, __LINE__, *nr_spes,
+ arm_spe_pmus[*nr_spes]->type,
+ arm_spe_pmus[*nr_spes]->name);
+ (*nr_spes)++;
}
}
+ return arm_spe_pmus;
+}
+
+static struct perf_pmu **find_all_hisi_ptt_pmus(int *nr_ptts, int *err)
+{
+ struct perf_pmu **hisi_ptt_pmus = NULL;
+ struct dirent *dent;
+ char path[PATH_MAX];
+ DIR *dir = NULL;
+ int idx = 0;
+
+ perf_pmu__event_source_devices_scnprintf(path, sizeof(path));
+ dir = opendir(path);
+ if (!dir) {
+ pr_err("can't read directory '%s'\n", path);
+ *err = -EINVAL;
+ return NULL;
+ }
+
+ while ((dent = readdir(dir))) {
+ if (strstr(dent->d_name, HISI_PTT_PMU_NAME))
+ (*nr_ptts)++;
+ }
+
+ if (!(*nr_ptts))
+ goto out;
+
+ hisi_ptt_pmus = zalloc(sizeof(struct perf_pmu *) * (*nr_ptts));
+ if (!hisi_ptt_pmus) {
+ pr_err("hisi_ptt alloc failed\n");
+ *err = -ENOMEM;
+ goto out;
+ }
+
+ rewinddir(dir);
+ while ((dent = readdir(dir))) {
+ if (strstr(dent->d_name, HISI_PTT_PMU_NAME) && idx < *nr_ptts) {
+ hisi_ptt_pmus[idx] = perf_pmus__find(dent->d_name);
+ if (hisi_ptt_pmus[idx])
+ idx++;
+ }
+ }
+
+out:
+ closedir(dir);
+ return hisi_ptt_pmus;
+}
+
+static struct perf_pmu *find_pmu_for_event(struct perf_pmu **pmus,
+ int pmu_nr, struct evsel *evsel)
+{
+ int i;
+
+ if (!pmus)
+ return NULL;
+
+ for (i = 0; i < pmu_nr; i++) {
+ if (evsel->core.attr.type == pmus[i]->type)
+ return pmus[i];
+ }
+
+ return NULL;
+}
+
+struct auxtrace_record
+*auxtrace_record__init(struct evlist *evlist, int *err)
+{
+ struct perf_pmu *cs_etm_pmu = NULL;
+ struct perf_pmu **arm_spe_pmus = NULL;
+ struct perf_pmu **hisi_ptt_pmus = NULL;
+ struct evsel *evsel;
+ struct perf_pmu *found_etm = NULL;
+ struct perf_pmu *found_spe = NULL;
+ struct perf_pmu *found_ptt = NULL;
+ int auxtrace_event_cnt = 0;
+ int nr_spes = 0;
+ int nr_ptts = 0;
+
+ if (!evlist)
+ return NULL;
+
+ cs_etm_pmu = perf_pmus__find(CORESIGHT_ETM_PMU_NAME);
+ arm_spe_pmus = find_all_arm_spe_pmus(&nr_spes, err);
+ hisi_ptt_pmus = find_all_hisi_ptt_pmus(&nr_ptts, err);
+
+ evlist__for_each_entry(evlist, evsel) {
+ if (cs_etm_pmu && !found_etm)
+ found_etm = find_pmu_for_event(&cs_etm_pmu, 1, evsel);
+
+ if (arm_spe_pmus && !found_spe)
+ found_spe = find_pmu_for_event(arm_spe_pmus, nr_spes, evsel);
+
+ if (hisi_ptt_pmus && !found_ptt)
+ found_ptt = find_pmu_for_event(hisi_ptt_pmus, nr_ptts, evsel);
+ }
+
+ free(arm_spe_pmus);
+ free(hisi_ptt_pmus);
+
+ if (found_etm)
+ auxtrace_event_cnt++;
+
+ if (found_spe)
+ auxtrace_event_cnt++;
+
+ if (found_ptt)
+ auxtrace_event_cnt++;
+
+ if (auxtrace_event_cnt > 1) {
+ pr_err("Concurrent AUX trace operation not currently supported\n");
+ *err = -EOPNOTSUPP;
+ return NULL;
+ }
+
if (found_etm)
return cs_etm_record_init(err);
+#if defined(__aarch64__)
+ if (found_spe)
+ return arm_spe_recording_init(err, found_spe);
+
+ if (found_ptt)
+ return hisi_ptt_recording_init(err, found_ptt);
+#endif
+
/*
- * Clear 'err' even if we haven't found a cs_etm event - that way perf
+ * Clear 'err' even if we haven't found an event - that way perf
* record can still be used even if tracers aren't present. The NULL
* return value will take care of telling the infrastructure HW tracing
* isn't available.
@@ -52,3 +186,35 @@ struct auxtrace_record
*err = 0;
return NULL;
}
+
+#if defined(__arm__)
+u64 compat_auxtrace_mmap__read_head(struct auxtrace_mmap *mm)
+{
+ struct perf_event_mmap_page *pc = mm->userpg;
+ u64 result;
+
+ __asm__ __volatile__(
+" ldrd %0, %H0, [%1]"
+ : "=&r" (result)
+ : "r" (&pc->aux_head), "Qo" (pc->aux_head)
+ );
+
+ return result;
+}
+
+int compat_auxtrace_mmap__write_tail(struct auxtrace_mmap *mm, u64 tail)
+{
+ struct perf_event_mmap_page *pc = mm->userpg;
+
+ /* Ensure all reads are done before we write the tail out */
+ smp_mb();
+
+ __asm__ __volatile__(
+" strd %2, %H2, [%1]"
+ : "=Qo" (pc->aux_tail)
+ : "r" (&pc->aux_tail), "r" (tail)
+ );
+
+ return 0;
+}
+#endif
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index dfea6b635525..ea891d12f8f4 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -1,51 +1,241 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright(C) 2015 Linaro Limited. All rights reserved.
* Author: Mathieu Poirier <mathieu.poirier@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <api/fs/fs.h>
+#include <linux/bits.h>
#include <linux/bitops.h>
+#include <linux/compiler.h>
#include <linux/coresight-pmu.h>
#include <linux/kernel.h>
#include <linux/log2.h>
+#include <linux/string.h>
#include <linux/types.h>
+#include <linux/zalloc.h>
#include "cs-etm.h"
-#include "../../perf.h"
-#include "../../util/auxtrace.h"
-#include "../../util/cpumap.h"
-#include "../../util/evlist.h"
-#include "../../util/evsel.h"
-#include "../../util/pmu.h"
-#include "../../util/thread_map.h"
-#include "../../util/cs-etm.h"
-
+#include "../../../util/debug.h"
+#include "../../../util/record.h"
+#include "../../../util/auxtrace.h"
+#include "../../../util/cpumap.h"
+#include "../../../util/event.h"
+#include "../../../util/evlist.h"
+#include "../../../util/evsel.h"
+#include "../../../util/perf_api_probe.h"
+#include "../../../util/evsel_config.h"
+#include "../../../util/pmus.h"
+#include "../../../util/cs-etm.h"
+#include <internal/lib.h> // page_size
+#include "../../../util/session.h"
+
+#include <errno.h>
#include <stdlib.h>
-
-#define ENABLE_SINK_MAX 128
-#define CS_BUS_DEVICE_PATH "/bus/coresight/devices/"
+#include <sys/stat.h>
struct cs_etm_recording {
struct auxtrace_record itr;
struct perf_pmu *cs_etm_pmu;
- struct perf_evlist *evlist;
+ struct evlist *evlist;
bool snapshot_mode;
size_t snapshot_size;
};
-static bool cs_etm_is_etmv4(struct auxtrace_record *itr, int cpu);
+static const char *metadata_etmv3_ro[CS_ETM_PRIV_MAX] = {
+ [CS_ETM_ETMCCER] = "mgmt/etmccer",
+ [CS_ETM_ETMIDR] = "mgmt/etmidr",
+};
+
+static const char * const metadata_etmv4_ro[] = {
+ [CS_ETMV4_TRCIDR0] = "trcidr/trcidr0",
+ [CS_ETMV4_TRCIDR1] = "trcidr/trcidr1",
+ [CS_ETMV4_TRCIDR2] = "trcidr/trcidr2",
+ [CS_ETMV4_TRCIDR8] = "trcidr/trcidr8",
+ [CS_ETMV4_TRCAUTHSTATUS] = "mgmt/trcauthstatus",
+ [CS_ETMV4_TS_SOURCE] = "ts_source",
+};
+
+static const char * const metadata_ete_ro[] = {
+ [CS_ETE_TRCIDR0] = "trcidr/trcidr0",
+ [CS_ETE_TRCIDR1] = "trcidr/trcidr1",
+ [CS_ETE_TRCIDR2] = "trcidr/trcidr2",
+ [CS_ETE_TRCIDR8] = "trcidr/trcidr8",
+ [CS_ETE_TRCAUTHSTATUS] = "mgmt/trcauthstatus",
+ [CS_ETE_TRCDEVARCH] = "mgmt/trcdevarch",
+ [CS_ETE_TS_SOURCE] = "ts_source",
+};
+
+enum cs_etm_version { CS_NOT_PRESENT, CS_ETMV3, CS_ETMV4, CS_ETE };
+
+static bool cs_etm_is_ete(struct perf_pmu *cs_etm_pmu, struct perf_cpu cpu);
+static int cs_etm_get_ro(struct perf_pmu *pmu, struct perf_cpu cpu, const char *path, __u64 *val);
+static bool cs_etm_pmu_path_exists(struct perf_pmu *pmu, struct perf_cpu cpu, const char *path);
+
+static enum cs_etm_version cs_etm_get_version(struct perf_pmu *cs_etm_pmu,
+ struct perf_cpu cpu)
+{
+ if (cs_etm_is_ete(cs_etm_pmu, cpu))
+ return CS_ETE;
+ else if (cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR0]))
+ return CS_ETMV4;
+ else if (cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_etmv3_ro[CS_ETM_ETMCCER]))
+ return CS_ETMV3;
+
+ return CS_NOT_PRESENT;
+}
+
+static int cs_etm_validate_context_id(struct perf_pmu *cs_etm_pmu, struct evsel *evsel,
+ struct perf_cpu cpu)
+{
+ int err;
+ __u64 val;
+ u64 contextid = evsel->core.attr.config &
+ (perf_pmu__format_bits(cs_etm_pmu, "contextid") |
+ perf_pmu__format_bits(cs_etm_pmu, "contextid1") |
+ perf_pmu__format_bits(cs_etm_pmu, "contextid2"));
+
+ if (!contextid)
+ return 0;
+
+ /* Not supported in etmv3 */
+ if (cs_etm_get_version(cs_etm_pmu, cpu) == CS_ETMV3) {
+ pr_err("%s: contextid not supported in ETMv3, disable with %s/contextid=0/\n",
+ CORESIGHT_ETM_PMU_NAME, CORESIGHT_ETM_PMU_NAME);
+ return -EINVAL;
+ }
+
+ /* Get a handle on TRCIDR2 */
+ err = cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR2], &val);
+ if (err)
+ return err;
+
+ if (contextid &
+ perf_pmu__format_bits(cs_etm_pmu, "contextid1")) {
+ /*
+ * TRCIDR2.CIDSIZE, bit [9-5], indicates whether contextID
+ * tracing is supported:
+ * 0b00000 Context ID tracing is not supported.
+ * 0b00100 Maximum of 32-bit Context ID size.
+ * All other values are reserved.
+ */
+ if (BMVAL(val, 5, 9) != 0x4) {
+ pr_err("%s: CONTEXTIDR_EL1 isn't supported, disable with %s/contextid1=0/\n",
+ CORESIGHT_ETM_PMU_NAME, CORESIGHT_ETM_PMU_NAME);
+ return -EINVAL;
+ }
+ }
+
+ if (contextid &
+ perf_pmu__format_bits(cs_etm_pmu, "contextid2")) {
+ /*
+ * TRCIDR2.VMIDOPT[30:29] != 0 and
+ * TRCIDR2.VMIDSIZE[14:10] == 0b00100 (32bit virtual contextid)
+ * We can't support CONTEXTIDR in VMID if the size of the
+ * virtual context id is < 32bit.
+ * Any value of VMIDSIZE >= 4 (i.e, > 32bit) is fine for us.
+ */
+ if (!BMVAL(val, 29, 30) || BMVAL(val, 10, 14) < 4) {
+ pr_err("%s: CONTEXTIDR_EL2 isn't supported, disable with %s/contextid2=0/\n",
+ CORESIGHT_ETM_PMU_NAME, CORESIGHT_ETM_PMU_NAME);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int cs_etm_validate_timestamp(struct perf_pmu *cs_etm_pmu, struct evsel *evsel,
+ struct perf_cpu cpu)
+{
+ int err;
+ __u64 val;
+
+ if (!(evsel->core.attr.config &
+ perf_pmu__format_bits(cs_etm_pmu, "timestamp")))
+ return 0;
+
+ if (cs_etm_get_version(cs_etm_pmu, cpu) == CS_ETMV3) {
+ pr_err("%s: timestamp not supported in ETMv3, disable with %s/timestamp=0/\n",
+ CORESIGHT_ETM_PMU_NAME, CORESIGHT_ETM_PMU_NAME);
+ return -EINVAL;
+ }
+
+ /* Get a handle on TRCIRD0 */
+ err = cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR0], &val);
+ if (err)
+ return err;
+
+ /*
+ * TRCIDR0.TSSIZE, bit [28-24], indicates whether global timestamping
+ * is supported:
+ * 0b00000 Global timestamping is not implemented
+ * 0b00110 Implementation supports a maximum timestamp of 48bits.
+ * 0b01000 Implementation supports a maximum timestamp of 64bits.
+ */
+ val &= GENMASK(28, 24);
+ if (!val) {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct perf_pmu *cs_etm_get_pmu(struct auxtrace_record *itr)
+{
+ struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr);
+
+ return ptr->cs_etm_pmu;
+}
+
+/*
+ * Check whether the requested timestamp and contextid options should be
+ * available on all requested CPUs and if not, tell the user how to override.
+ * The kernel will silently disable any unavailable options so a warning here
+ * first is better. In theory the kernel could still disable the option for
+ * some other reason so this is best effort only.
+ */
+static int cs_etm_validate_config(struct perf_pmu *cs_etm_pmu,
+ struct evsel *evsel)
+{
+ int idx, err = 0;
+ struct perf_cpu_map *event_cpus = evsel->evlist->core.user_requested_cpus;
+ struct perf_cpu_map *intersect_cpus;
+ struct perf_cpu cpu;
+
+ /*
+ * Set option of each CPU we have. In per-cpu case, do the validation
+ * for CPUs to work with. In per-thread case, the CPU map has the "any"
+ * CPU value. Since the traced program can run on any CPUs in this case,
+ * thus don't skip validation.
+ */
+ if (!perf_cpu_map__has_any_cpu(event_cpus)) {
+ struct perf_cpu_map *online_cpus = perf_cpu_map__new_online_cpus();
+
+ intersect_cpus = perf_cpu_map__intersect(event_cpus, online_cpus);
+ perf_cpu_map__put(online_cpus);
+ } else {
+ intersect_cpus = perf_cpu_map__new_online_cpus();
+ }
+
+ perf_cpu_map__for_each_cpu_skip_any(cpu, idx, intersect_cpus) {
+ if (cs_etm_get_version(cs_etm_pmu, cpu) == CS_NOT_PRESENT) {
+ pr_err("%s: Not found on CPU %d. Check hardware and firmware support and that all Coresight drivers are loaded\n",
+ CORESIGHT_ETM_PMU_NAME, cpu.cpu);
+ return -EINVAL;
+ }
+ err = cs_etm_validate_context_id(cs_etm_pmu, evsel, cpu);
+ if (err)
+ break;
+
+ err = cs_etm_validate_timestamp(cs_etm_pmu, evsel, cpu);
+ if (err)
+ break;
+ }
+
+ perf_cpu_map__put(intersect_cpus);
+ return err;
+}
static int cs_etm_parse_snapshot_options(struct auxtrace_record *itr,
struct record_opts *opts,
@@ -69,31 +259,70 @@ static int cs_etm_parse_snapshot_options(struct auxtrace_record *itr,
return 0;
}
+static int cs_etm_set_sink_attr(struct perf_pmu *pmu,
+ struct evsel *evsel)
+{
+ char msg[BUFSIZ], path[PATH_MAX], *sink;
+ struct evsel_config_term *term;
+ int ret = -EINVAL;
+ u32 hash;
+
+ if (evsel->core.attr.config2 & GENMASK(31, 0))
+ return 0;
+
+ list_for_each_entry(term, &evsel->config_terms, list) {
+ if (term->type != EVSEL__CONFIG_TERM_DRV_CFG)
+ continue;
+
+ sink = term->val.str;
+ snprintf(path, PATH_MAX, "sinks/%s", sink);
+
+ ret = perf_pmu__scan_file(pmu, path, "%x", &hash);
+ if (ret != 1) {
+ if (errno == ENOENT)
+ pr_err("Couldn't find sink \"%s\" on event %s\n"
+ "Missing kernel or device support?\n\n"
+ "Hint: An appropriate sink will be picked automatically if one isn't specified.\n",
+ sink, evsel__name(evsel));
+ else
+ pr_err("Failed to set sink \"%s\" on event %s with %d (%s)\n",
+ sink, evsel__name(evsel), errno,
+ str_error_r(errno, msg, sizeof(msg)));
+ return ret;
+ }
+
+ evsel->core.attr.config2 |= hash;
+ return 0;
+ }
+
+ /*
+ * No sink was provided on the command line - allow the CoreSight
+ * system to look for a default
+ */
+ return 0;
+}
+
static int cs_etm_recording_options(struct auxtrace_record *itr,
- struct perf_evlist *evlist,
+ struct evlist *evlist,
struct record_opts *opts)
{
+ int ret;
struct cs_etm_recording *ptr =
container_of(itr, struct cs_etm_recording, itr);
struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
- struct perf_evsel *evsel, *cs_etm_evsel = NULL;
- const struct cpu_map *cpus = evlist->cpus;
- bool privileged = (geteuid() == 0 || perf_event_paranoid() < 0);
-
- ptr->evlist = evlist;
- ptr->snapshot_mode = opts->auxtrace_snapshot_mode;
+ struct evsel *evsel, *cs_etm_evsel = NULL;
+ struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
+ bool privileged = perf_event_paranoid_check(-1);
+ int err = 0;
evlist__for_each_entry(evlist, evsel) {
- if (evsel->attr.type == cs_etm_pmu->type) {
+ if (evsel->core.attr.type == cs_etm_pmu->type) {
if (cs_etm_evsel) {
pr_err("There may be only one %s event\n",
CORESIGHT_ETM_PMU_NAME);
return -EINVAL;
}
- evsel->attr.freq = 0;
- evsel->attr.sample_period = 1;
cs_etm_evsel = evsel;
- opts->full_auxtrace = true;
}
}
@@ -101,6 +330,20 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
if (!cs_etm_evsel)
return 0;
+ ptr->evlist = evlist;
+ ptr->snapshot_mode = opts->auxtrace_snapshot_mode;
+
+ if (!record_opts__no_switch_events(opts) &&
+ perf_can_record_switch_events())
+ opts->record_switch_events = true;
+
+ cs_etm_evsel->needs_auxtrace_mmap = true;
+ opts->full_auxtrace = true;
+
+ ret = cs_etm_set_sink_attr(cs_etm_pmu, cs_etm_evsel);
+ if (ret)
+ return ret;
+
if (opts->use_clockid) {
pr_err("Cannot use clockid (-k option) with %s\n",
CORESIGHT_ETM_PMU_NAME);
@@ -149,7 +392,7 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
opts->auxtrace_mmap_pages = roundup_pow_of_two(sz);
}
- /* Snapshost size can't be bigger than the auxtrace area */
+ /* Snapshot size can't be bigger than the auxtrace area */
if (opts->auxtrace_snapshot_size >
opts->auxtrace_mmap_pages * (size_t)page_size) {
pr_err("Snapshot size %zu must not be greater than AUX area tracing mmap size %zu\n",
@@ -166,8 +409,8 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
}
}
- /* We are in full trace mode but '-m,xyz' wasn't specified */
- if (opts->full_auxtrace && !opts->auxtrace_mmap_pages) {
+ /* Buffer sizes weren't specified with '-m,xyz' so give some defaults */
+ if (!opts->auxtrace_mmap_pages) {
if (privileged) {
opts->auxtrace_mmap_pages = MiB(4) / page_size;
} else {
@@ -175,67 +418,60 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
if (opts->mmap_pages == UINT_MAX)
opts->mmap_pages = KiB(256) / page_size;
}
-
- }
-
- /* Validate auxtrace_mmap_pages provided by user */
- if (opts->auxtrace_mmap_pages) {
- unsigned int max_page = (KiB(128) / page_size);
- size_t sz = opts->auxtrace_mmap_pages * (size_t)page_size;
-
- if (!privileged &&
- opts->auxtrace_mmap_pages > max_page) {
- opts->auxtrace_mmap_pages = max_page;
- pr_err("auxtrace too big, truncating to %d\n",
- max_page);
- }
-
- if (!is_power_of_2(sz)) {
- pr_err("Invalid mmap size for %s: must be a power of 2\n",
- CORESIGHT_ETM_PMU_NAME);
- return -EINVAL;
- }
}
if (opts->auxtrace_snapshot_mode)
pr_debug2("%s snapshot size: %zu\n", CORESIGHT_ETM_PMU_NAME,
opts->auxtrace_snapshot_size);
- if (cs_etm_evsel) {
- /*
- * To obtain the auxtrace buffer file descriptor, the auxtrace
- * event must come first.
- */
- perf_evlist__to_front(evlist, cs_etm_evsel);
- /*
- * In the case of per-cpu mmaps, we need the CPU on the
- * AUX event.
- */
- if (!cpu_map__empty(cpus))
- perf_evsel__set_sample_bit(cs_etm_evsel, CPU);
+ /*
+ * To obtain the auxtrace buffer file descriptor, the auxtrace
+ * event must come first.
+ */
+ evlist__to_front(evlist, cs_etm_evsel);
+
+ /*
+ * get the CPU on the sample - need it to associate trace ID in the
+ * AUX_OUTPUT_HW_ID event, and the AUX event for per-cpu mmaps.
+ */
+ evsel__set_sample_bit(cs_etm_evsel, CPU);
+
+ /*
+ * Also the case of per-cpu mmaps, need the contextID in order to be notified
+ * when a context switch happened.
+ */
+ if (!perf_cpu_map__is_any_cpu_or_is_empty(cpus)) {
+ evsel__set_config_if_unset(cs_etm_pmu, cs_etm_evsel,
+ "timestamp", 1);
+ evsel__set_config_if_unset(cs_etm_pmu, cs_etm_evsel,
+ "contextid", 1);
}
- /* Add dummy event to keep tracking */
- if (opts->full_auxtrace) {
- struct perf_evsel *tracking_evsel;
- int err;
+ /*
+ * When the option '--timestamp' or '-T' is enabled, the PERF_SAMPLE_TIME
+ * bit is set for all events. In this case, always enable Arm CoreSight
+ * timestamp tracing.
+ */
+ if (opts->sample_time_set)
+ evsel__set_config_if_unset(cs_etm_pmu, cs_etm_evsel,
+ "timestamp", 1);
- err = parse_events(evlist, "dummy:u", NULL);
- if (err)
- return err;
-
- tracking_evsel = perf_evlist__last(evlist);
- perf_evlist__set_tracking_event(evlist, tracking_evsel);
-
- tracking_evsel->attr.freq = 0;
- tracking_evsel->attr.sample_period = 1;
+ /* Add dummy event to keep tracking */
+ err = parse_event(evlist, "dummy:u");
+ if (err)
+ goto out;
+ evsel = evlist__last(evlist);
+ evlist__set_tracking_event(evlist, evsel);
+ evsel->core.attr.freq = 0;
+ evsel->core.attr.sample_period = 1;
- /* In per-cpu case, always need the time of mmap events etc */
- if (!cpu_map__empty(cpus))
- perf_evsel__set_sample_bit(tracking_evsel, TIME);
- }
+ /* In per-cpu case, always need the time of mmap events etc */
+ if (!perf_cpu_map__is_any_cpu_or_is_empty(cpus))
+ evsel__set_sample_bit(evsel, TIME);
- return 0;
+ err = cs_etm_validate_config(cs_etm_pmu, cs_etm_evsel);
+out:
+ return err;
}
static u64 cs_etm_get_config(struct auxtrace_record *itr)
@@ -244,11 +480,11 @@ static u64 cs_etm_get_config(struct auxtrace_record *itr)
struct cs_etm_recording *ptr =
container_of(itr, struct cs_etm_recording, itr);
struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
- struct perf_evlist *evlist = ptr->evlist;
- struct perf_evsel *evsel;
+ struct evlist *evlist = ptr->evlist;
+ struct evsel *evsel;
evlist__for_each_entry(evlist, evsel) {
- if (evsel->attr.type == cs_etm_pmu->type) {
+ if (evsel->core.attr.type == cs_etm_pmu->type) {
/*
* Variable perf_event_attr::config is assigned to
* ETMv3/PTM. The bit fields have been made to match
@@ -257,7 +493,7 @@ static u64 cs_etm_get_config(struct auxtrace_record *itr)
* drivers/hwtracing/coresight/coresight-perf.c for
* details.
*/
- config = evsel->attr.config;
+ config = evsel->core.attr.config;
break;
}
}
@@ -265,209 +501,329 @@ static u64 cs_etm_get_config(struct auxtrace_record *itr)
return config;
}
+#ifndef BIT
+#define BIT(N) (1UL << (N))
+#endif
+
+static u64 cs_etmv4_get_config(struct auxtrace_record *itr)
+{
+ u64 config = 0;
+ u64 config_opts = 0;
+
+ /*
+ * The perf event variable config bits represent both
+ * the command line options and register programming
+ * bits in ETMv3/PTM. For ETMv4 we must remap options
+ * to real bits
+ */
+ config_opts = cs_etm_get_config(itr);
+ if (config_opts & BIT(ETM_OPT_CYCACC))
+ config |= BIT(ETM4_CFG_BIT_CYCACC);
+ if (config_opts & BIT(ETM_OPT_CTXTID))
+ config |= BIT(ETM4_CFG_BIT_CTXTID);
+ if (config_opts & BIT(ETM_OPT_TS))
+ config |= BIT(ETM4_CFG_BIT_TS);
+ if (config_opts & BIT(ETM_OPT_RETSTK))
+ config |= BIT(ETM4_CFG_BIT_RETSTK);
+ if (config_opts & BIT(ETM_OPT_CTXTID2))
+ config |= BIT(ETM4_CFG_BIT_VMID) |
+ BIT(ETM4_CFG_BIT_VMID_OPT);
+ if (config_opts & BIT(ETM_OPT_BRANCH_BROADCAST))
+ config |= BIT(ETM4_CFG_BIT_BB);
+
+ return config;
+}
+
static size_t
-cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused,
- struct perf_evlist *evlist __maybe_unused)
+cs_etm_info_priv_size(struct auxtrace_record *itr,
+ struct evlist *evlist)
{
- int i;
- int etmv3 = 0, etmv4 = 0;
- const struct cpu_map *cpus = evlist->cpus;
-
- /* cpu map is not empty, we have specific CPUs to work with */
- if (!cpu_map__empty(cpus)) {
- for (i = 0; i < cpu_map__nr(cpus); i++) {
- if (cs_etm_is_etmv4(itr, cpus->map[i]))
- etmv4++;
- else
- etmv3++;
- }
+ int idx;
+ int etmv3 = 0, etmv4 = 0, ete = 0;
+ struct perf_cpu_map *event_cpus = evlist->core.user_requested_cpus;
+ struct perf_cpu_map *intersect_cpus;
+ struct perf_cpu cpu;
+ struct perf_pmu *cs_etm_pmu = cs_etm_get_pmu(itr);
+
+ if (!perf_cpu_map__has_any_cpu(event_cpus)) {
+ /* cpu map is not "any" CPU , we have specific CPUs to work with */
+ struct perf_cpu_map *online_cpus = perf_cpu_map__new_online_cpus();
+
+ intersect_cpus = perf_cpu_map__intersect(event_cpus, online_cpus);
+ perf_cpu_map__put(online_cpus);
} else {
- /* get configuration for all CPUs in the system */
- for (i = 0; i < cpu__max_cpu(); i++) {
- if (cs_etm_is_etmv4(itr, i))
- etmv4++;
- else
- etmv3++;
- }
+ /* Event can be "any" CPU so count all online CPUs. */
+ intersect_cpus = perf_cpu_map__new_online_cpus();
+ }
+ /* Count number of each type of ETM. Don't count if that CPU has CS_NOT_PRESENT. */
+ perf_cpu_map__for_each_cpu_skip_any(cpu, idx, intersect_cpus) {
+ enum cs_etm_version v = cs_etm_get_version(cs_etm_pmu, cpu);
+
+ ete += v == CS_ETE;
+ etmv4 += v == CS_ETMV4;
+ etmv3 += v == CS_ETMV3;
}
+ perf_cpu_map__put(intersect_cpus);
return (CS_ETM_HEADER_SIZE +
+ (ete * CS_ETE_PRIV_SIZE) +
(etmv4 * CS_ETMV4_PRIV_SIZE) +
(etmv3 * CS_ETMV3_PRIV_SIZE));
}
-static const char *metadata_etmv3_ro[CS_ETM_PRIV_MAX] = {
- [CS_ETM_ETMCCER] = "mgmt/etmccer",
- [CS_ETM_ETMIDR] = "mgmt/etmidr",
-};
-
-static const char *metadata_etmv4_ro[CS_ETMV4_PRIV_MAX] = {
- [CS_ETMV4_TRCIDR0] = "trcidr/trcidr0",
- [CS_ETMV4_TRCIDR1] = "trcidr/trcidr1",
- [CS_ETMV4_TRCIDR2] = "trcidr/trcidr2",
- [CS_ETMV4_TRCIDR8] = "trcidr/trcidr8",
- [CS_ETMV4_TRCAUTHSTATUS] = "mgmt/trcauthstatus",
-};
-
-static bool cs_etm_is_etmv4(struct auxtrace_record *itr, int cpu)
+static int cs_etm_get_ro(struct perf_pmu *pmu, struct perf_cpu cpu, const char *path, __u64 *val)
{
- bool ret = false;
- char path[PATH_MAX];
+ char pmu_path[PATH_MAX];
int scan;
- unsigned int val;
- struct cs_etm_recording *ptr =
- container_of(itr, struct cs_etm_recording, itr);
- struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
- /* Take any of the RO files for ETMv4 and see if it present */
- snprintf(path, PATH_MAX, "cpu%d/%s",
- cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR0]);
- scan = perf_pmu__scan_file(cs_etm_pmu, path, "%x", &val);
+ /* Get RO metadata from sysfs */
+ snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu.cpu, path);
- /* The file was read successfully, we have a winner */
- if (scan == 1)
- ret = true;
+ scan = perf_pmu__scan_file(pmu, pmu_path, "%llx", val);
+ if (scan != 1) {
+ pr_err("%s: error reading: %s\n", __func__, pmu_path);
+ return -EINVAL;
+ }
- return ret;
+ return 0;
}
-static int cs_etm_get_ro(struct perf_pmu *pmu, int cpu, const char *path)
+static int cs_etm_get_ro_signed(struct perf_pmu *pmu, struct perf_cpu cpu, const char *path,
+ __u64 *out_val)
{
char pmu_path[PATH_MAX];
int scan;
- unsigned int val = 0;
+ int val = 0;
/* Get RO metadata from sysfs */
- snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu, path);
+ snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu.cpu, path);
- scan = perf_pmu__scan_file(pmu, pmu_path, "%x", &val);
- if (scan != 1)
+ scan = perf_pmu__scan_file(pmu, pmu_path, "%d", &val);
+ if (scan != 1) {
pr_err("%s: error reading: %s\n", __func__, pmu_path);
+ return -EINVAL;
+ }
+
+ *out_val = (__u64) val;
+ return 0;
+}
+
+static bool cs_etm_pmu_path_exists(struct perf_pmu *pmu, struct perf_cpu cpu, const char *path)
+{
+ char pmu_path[PATH_MAX];
+
+ /* Get RO metadata from sysfs */
+ snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu.cpu, path);
+
+ return perf_pmu__file_exists(pmu, pmu_path);
+}
+
+#define TRCDEVARCH_ARCHPART_SHIFT 0
+#define TRCDEVARCH_ARCHPART_MASK GENMASK(11, 0)
+#define TRCDEVARCH_ARCHPART(x) (((x) & TRCDEVARCH_ARCHPART_MASK) >> TRCDEVARCH_ARCHPART_SHIFT)
+
+#define TRCDEVARCH_ARCHVER_SHIFT 12
+#define TRCDEVARCH_ARCHVER_MASK GENMASK(15, 12)
+#define TRCDEVARCH_ARCHVER(x) (((x) & TRCDEVARCH_ARCHVER_MASK) >> TRCDEVARCH_ARCHVER_SHIFT)
+
+static bool cs_etm_is_ete(struct perf_pmu *cs_etm_pmu, struct perf_cpu cpu)
+{
+ __u64 trcdevarch;
+
+ if (!cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCDEVARCH]))
+ return false;
+
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCDEVARCH], &trcdevarch);
+ /*
+ * ETE if ARCHVER is 5 (ARCHVER is 4 for ETM) and ARCHPART is 0xA13.
+ * See ETM_DEVARCH_ETE_ARCH in coresight-etm4x.h
+ */
+ return TRCDEVARCH_ARCHVER(trcdevarch) == 5 && TRCDEVARCH_ARCHPART(trcdevarch) == 0xA13;
+}
+
+static __u64 cs_etm_get_legacy_trace_id(struct perf_cpu cpu)
+{
+ /* Wrap at 48 so that invalid trace IDs aren't saved into files. */
+ return CORESIGHT_LEGACY_CPU_TRACE_ID(cpu.cpu % 48);
+}
+
+static void cs_etm_save_etmv4_header(__u64 data[], struct auxtrace_record *itr, struct perf_cpu cpu)
+{
+ struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr);
+ struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
- return val;
+ /* Get trace configuration register */
+ data[CS_ETMV4_TRCCONFIGR] = cs_etmv4_get_config(itr);
+ /* traceID set to legacy version, in case new perf running on older system */
+ data[CS_ETMV4_TRCTRACEIDR] = cs_etm_get_legacy_trace_id(cpu);
+
+ /* Get read-only information from sysFS */
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR0],
+ &data[CS_ETMV4_TRCIDR0]);
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR1],
+ &data[CS_ETMV4_TRCIDR1]);
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR2],
+ &data[CS_ETMV4_TRCIDR2]);
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR8],
+ &data[CS_ETMV4_TRCIDR8]);
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TRCAUTHSTATUS],
+ &data[CS_ETMV4_TRCAUTHSTATUS]);
+
+ /* Kernels older than 5.19 may not expose ts_source */
+ if (!cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TS_SOURCE]) ||
+ cs_etm_get_ro_signed(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETMV4_TS_SOURCE],
+ &data[CS_ETMV4_TS_SOURCE])) {
+ pr_debug3("[%03d] pmu file 'ts_source' not found. Fallback to safe value (-1)\n",
+ cpu.cpu);
+ data[CS_ETMV4_TS_SOURCE] = (__u64) -1;
+ }
+}
+
+static void cs_etm_save_ete_header(__u64 data[], struct auxtrace_record *itr, struct perf_cpu cpu)
+{
+ struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr);
+ struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
+
+ /* Get trace configuration register */
+ data[CS_ETE_TRCCONFIGR] = cs_etmv4_get_config(itr);
+ /* traceID set to legacy version, in case new perf running on older system */
+ data[CS_ETE_TRCTRACEIDR] = cs_etm_get_legacy_trace_id(cpu);
+
+ /* Get read-only information from sysFS */
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCIDR0], &data[CS_ETE_TRCIDR0]);
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCIDR1], &data[CS_ETE_TRCIDR1]);
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCIDR2], &data[CS_ETE_TRCIDR2]);
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCIDR8], &data[CS_ETE_TRCIDR8]);
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCAUTHSTATUS],
+ &data[CS_ETE_TRCAUTHSTATUS]);
+ /* ETE uses the same registers as ETMv4 plus TRCDEVARCH */
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TRCDEVARCH],
+ &data[CS_ETE_TRCDEVARCH]);
+
+ /* Kernels older than 5.19 may not expose ts_source */
+ if (!cs_etm_pmu_path_exists(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TS_SOURCE]) ||
+ cs_etm_get_ro_signed(cs_etm_pmu, cpu, metadata_ete_ro[CS_ETE_TS_SOURCE],
+ &data[CS_ETE_TS_SOURCE])) {
+ pr_debug3("[%03d] pmu file 'ts_source' not found. Fallback to safe value (-1)\n",
+ cpu.cpu);
+ data[CS_ETE_TS_SOURCE] = (__u64) -1;
+ }
}
-static void cs_etm_get_metadata(int cpu, u32 *offset,
+static void cs_etm_get_metadata(struct perf_cpu cpu, u32 *offset,
struct auxtrace_record *itr,
- struct auxtrace_info_event *info)
+ struct perf_record_auxtrace_info *info)
{
- u32 increment;
+ u32 increment, nr_trc_params;
u64 magic;
- struct cs_etm_recording *ptr =
- container_of(itr, struct cs_etm_recording, itr);
- struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
+ struct perf_pmu *cs_etm_pmu = cs_etm_get_pmu(itr);
/* first see what kind of tracer this cpu is affined to */
- if (cs_etm_is_etmv4(itr, cpu)) {
+ switch (cs_etm_get_version(cs_etm_pmu, cpu)) {
+ case CS_ETE:
+ magic = __perf_cs_ete_magic;
+ cs_etm_save_ete_header(&info->priv[*offset], itr, cpu);
+
+ /* How much space was used */
+ increment = CS_ETE_PRIV_MAX;
+ nr_trc_params = CS_ETE_PRIV_MAX - CS_ETM_COMMON_BLK_MAX_V1;
+ break;
+
+ case CS_ETMV4:
magic = __perf_cs_etmv4_magic;
- /* Get trace configuration register */
- info->priv[*offset + CS_ETMV4_TRCCONFIGR] =
- cs_etm_get_config(itr);
- /* Get traceID from the framework */
- info->priv[*offset + CS_ETMV4_TRCTRACEIDR] =
- coresight_get_trace_id(cpu);
- /* Get read-only information from sysFS */
- info->priv[*offset + CS_ETMV4_TRCIDR0] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv4_ro[CS_ETMV4_TRCIDR0]);
- info->priv[*offset + CS_ETMV4_TRCIDR1] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv4_ro[CS_ETMV4_TRCIDR1]);
- info->priv[*offset + CS_ETMV4_TRCIDR2] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv4_ro[CS_ETMV4_TRCIDR2]);
- info->priv[*offset + CS_ETMV4_TRCIDR8] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv4_ro[CS_ETMV4_TRCIDR8]);
- info->priv[*offset + CS_ETMV4_TRCAUTHSTATUS] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv4_ro
- [CS_ETMV4_TRCAUTHSTATUS]);
+ cs_etm_save_etmv4_header(&info->priv[*offset], itr, cpu);
/* How much space was used */
increment = CS_ETMV4_PRIV_MAX;
- } else {
+ nr_trc_params = CS_ETMV4_PRIV_MAX - CS_ETMV4_TRCCONFIGR;
+ break;
+
+ case CS_ETMV3:
magic = __perf_cs_etmv3_magic;
/* Get configuration register */
info->priv[*offset + CS_ETM_ETMCR] = cs_etm_get_config(itr);
- /* Get traceID from the framework */
- info->priv[*offset + CS_ETM_ETMTRACEIDR] =
- coresight_get_trace_id(cpu);
+ /* traceID set to legacy value in case new perf running on old system */
+ info->priv[*offset + CS_ETM_ETMTRACEIDR] = cs_etm_get_legacy_trace_id(cpu);
/* Get read-only information from sysFS */
- info->priv[*offset + CS_ETM_ETMCCER] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv3_ro[CS_ETM_ETMCCER]);
- info->priv[*offset + CS_ETM_ETMIDR] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv3_ro[CS_ETM_ETMIDR]);
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv3_ro[CS_ETM_ETMCCER],
+ &info->priv[*offset + CS_ETM_ETMCCER]);
+ cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv3_ro[CS_ETM_ETMIDR],
+ &info->priv[*offset + CS_ETM_ETMIDR]);
/* How much space was used */
increment = CS_ETM_PRIV_MAX;
+ nr_trc_params = CS_ETM_PRIV_MAX - CS_ETM_ETMCR;
+ break;
+
+ default:
+ case CS_NOT_PRESENT:
+ /* Unreachable, CPUs already validated in cs_etm_validate_config() */
+ assert(true);
+ return;
}
/* Build generic header portion */
info->priv[*offset + CS_ETM_MAGIC] = magic;
- info->priv[*offset + CS_ETM_CPU] = cpu;
+ info->priv[*offset + CS_ETM_CPU] = cpu.cpu;
+ info->priv[*offset + CS_ETM_NR_TRC_PARAMS] = nr_trc_params;
/* Where the next CPU entry should start from */
*offset += increment;
}
static int cs_etm_info_fill(struct auxtrace_record *itr,
struct perf_session *session,
- struct auxtrace_info_event *info,
+ struct perf_record_auxtrace_info *info,
size_t priv_size)
{
int i;
u32 offset;
u64 nr_cpu, type;
- const struct cpu_map *cpus = session->evlist->cpus;
+ struct perf_cpu_map *cpu_map;
+ struct perf_cpu_map *event_cpus = session->evlist->core.user_requested_cpus;
+ struct perf_cpu_map *online_cpus = perf_cpu_map__new_online_cpus();
struct cs_etm_recording *ptr =
container_of(itr, struct cs_etm_recording, itr);
struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
+ struct perf_cpu cpu;
if (priv_size != cs_etm_info_priv_size(itr, session->evlist))
return -EINVAL;
- if (!session->evlist->nr_mmaps)
+ if (!session->evlist->core.nr_mmaps)
return -EINVAL;
- /* If the cpu_map is empty all CPUs are involved */
- nr_cpu = cpu_map__empty(cpus) ? cpu__max_cpu() : cpu_map__nr(cpus);
+ /* If the cpu_map has the "any" CPU all online CPUs are involved */
+ if (perf_cpu_map__has_any_cpu(event_cpus)) {
+ cpu_map = online_cpus;
+ } else {
+ /* Make sure all specified CPUs are online */
+ perf_cpu_map__for_each_cpu(cpu, i, event_cpus) {
+ if (!perf_cpu_map__has(online_cpus, cpu))
+ return -EINVAL;
+ }
+
+ cpu_map = event_cpus;
+ }
+
+ nr_cpu = perf_cpu_map__nr(cpu_map);
/* Get PMU type as dynamically assigned by the core */
type = cs_etm_pmu->type;
/* First fill out the session header */
info->type = PERF_AUXTRACE_CS_ETM;
- info->priv[CS_HEADER_VERSION_0] = 0;
+ info->priv[CS_HEADER_VERSION] = CS_HEADER_CURRENT_VERSION;
info->priv[CS_PMU_TYPE_CPUS] = type << 32;
info->priv[CS_PMU_TYPE_CPUS] |= nr_cpu;
info->priv[CS_ETM_SNAPSHOT] = ptr->snapshot_mode;
offset = CS_ETM_SNAPSHOT + 1;
- /* cpu map is not empty, we have specific CPUs to work with */
- if (!cpu_map__empty(cpus)) {
- for (i = 0; i < cpu_map__nr(cpus) && offset < priv_size; i++)
- cs_etm_get_metadata(cpus->map[i], &offset, itr, info);
- } else {
- /* get configuration for all CPUs in the system */
- for (i = 0; i < cpu__max_cpu(); i++)
- cs_etm_get_metadata(i, &offset, itr, info);
+ perf_cpu_map__for_each_cpu(cpu, i, cpu_map) {
+ assert(offset < priv_size);
+ cs_etm_get_metadata(cpu, &offset, itr, info);
}
- return 0;
-}
-
-static int cs_etm_find_snapshot(struct auxtrace_record *itr __maybe_unused,
- int idx, struct auxtrace_mmap *mm,
- unsigned char *data __maybe_unused,
- u64 *head, u64 *old)
-{
- pr_debug3("%s: mmap index %d old head %zu new head %zu size %zu\n",
- __func__, idx, (size_t)*old, (size_t)*head, mm->len);
-
- *old = *head;
- *head += mm->len;
+ perf_cpu_map__put(online_cpus);
return 0;
}
@@ -476,11 +832,11 @@ static int cs_etm_snapshot_start(struct auxtrace_record *itr)
{
struct cs_etm_recording *ptr =
container_of(itr, struct cs_etm_recording, itr);
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(ptr->evlist, evsel) {
- if (evsel->attr.type == ptr->cs_etm_pmu->type)
- return perf_evsel__disable(evsel);
+ if (evsel->core.attr.type == ptr->cs_etm_pmu->type)
+ return evsel__disable(evsel);
}
return -EINVAL;
}
@@ -489,11 +845,11 @@ static int cs_etm_snapshot_finish(struct auxtrace_record *itr)
{
struct cs_etm_recording *ptr =
container_of(itr, struct cs_etm_recording, itr);
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(ptr->evlist, evsel) {
- if (evsel->attr.type == ptr->cs_etm_pmu->type)
- return perf_evsel__enable(evsel);
+ if (evsel->core.attr.type == ptr->cs_etm_pmu->type)
+ return evsel__enable(evsel);
}
return -EINVAL;
}
@@ -508,22 +864,8 @@ static void cs_etm_recording_free(struct auxtrace_record *itr)
{
struct cs_etm_recording *ptr =
container_of(itr, struct cs_etm_recording, itr);
- free(ptr);
-}
-static int cs_etm_read_finish(struct auxtrace_record *itr, int idx)
-{
- struct cs_etm_recording *ptr =
- container_of(itr, struct cs_etm_recording, itr);
- struct perf_evsel *evsel;
-
- evlist__for_each_entry(ptr->evlist, evsel) {
- if (evsel->attr.type == ptr->cs_etm_pmu->type)
- return perf_evlist__enable_event_idx(ptr->evlist,
- evsel, idx);
- }
-
- return -EINVAL;
+ free(ptr);
}
struct auxtrace_record *cs_etm_record_init(int *err)
@@ -531,7 +873,7 @@ struct auxtrace_record *cs_etm_record_init(int *err)
struct perf_pmu *cs_etm_pmu;
struct cs_etm_recording *ptr;
- cs_etm_pmu = perf_pmu__find(CORESIGHT_ETM_PMU_NAME);
+ cs_etm_pmu = perf_pmus__find(CORESIGHT_ETM_PMU_NAME);
if (!cs_etm_pmu) {
*err = -EINVAL;
@@ -549,12 +891,11 @@ struct auxtrace_record *cs_etm_record_init(int *err)
ptr->itr.recording_options = cs_etm_recording_options;
ptr->itr.info_priv_size = cs_etm_info_priv_size;
ptr->itr.info_fill = cs_etm_info_fill;
- ptr->itr.find_snapshot = cs_etm_find_snapshot;
ptr->itr.snapshot_start = cs_etm_snapshot_start;
ptr->itr.snapshot_finish = cs_etm_snapshot_finish;
ptr->itr.reference = cs_etm_reference;
ptr->itr.free = cs_etm_recording_free;
- ptr->itr.read_finish = cs_etm_read_finish;
+ ptr->itr.read_finish = auxtrace_record__read_finish;
*err = 0;
return &ptr->itr;
@@ -562,54 +903,14 @@ out:
return NULL;
}
-static FILE *cs_device__open_file(const char *name)
-{
- struct stat st;
- char path[PATH_MAX];
- const char *sysfs;
-
- sysfs = sysfs__mountpoint();
- if (!sysfs)
- return NULL;
-
- snprintf(path, PATH_MAX,
- "%s" CS_BUS_DEVICE_PATH "%s", sysfs, name);
-
- if (stat(path, &st) < 0)
- return NULL;
-
- return fopen(path, "w");
-
-}
-
-static __attribute__((format(printf, 2, 3)))
-int cs_device__print_file(const char *name, const char *fmt, ...)
-{
- va_list args;
- FILE *file;
- int ret = -EINVAL;
-
- va_start(args, fmt);
- file = cs_device__open_file(name);
- if (file) {
- ret = vfprintf(file, fmt, args);
- fclose(file);
- }
- va_end(args);
- return ret;
-}
-
-int cs_etm_set_drv_config(struct perf_evsel_config_term *term)
+/*
+ * Set a default config to enable the user changed config tracking mechanism
+ * (CFG_CHG and evsel__set_config_if_unset()). If no default is set then user
+ * changes aren't tracked.
+ */
+void
+cs_etm_get_default_config(const struct perf_pmu *pmu __maybe_unused,
+ struct perf_event_attr *attr)
{
- int ret;
- char enable_sink[ENABLE_SINK_MAX];
-
- snprintf(enable_sink, ENABLE_SINK_MAX, "%s/%s",
- term->val.drv_cfg, "enable_sink");
-
- ret = cs_device__print_file(enable_sink, "%d", 1);
- if (ret < 0)
- return ret;
-
- return 0;
+ attr->sample_period = 1;
}
diff --git a/tools/perf/arch/arm/util/cs-etm.h b/tools/perf/arch/arm/util/cs-etm.h
index 5256741be549..a3354bda4fe8 100644
--- a/tools/perf/arch/arm/util/cs-etm.h
+++ b/tools/perf/arch/arm/util/cs-etm.h
@@ -1,26 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright(C) 2015 Linaro Limited. All rights reserved.
* Author: Mathieu Poirier <mathieu.poirier@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDE__PERF_CS_ETM_H__
#define INCLUDE__PERF_CS_ETM_H__
-#include "../../util/evsel.h"
-
struct auxtrace_record *cs_etm_record_init(int *err);
-int cs_etm_set_drv_config(struct perf_evsel_config_term *term);
#endif
diff --git a/tools/perf/arch/arm/util/dwarf-regs.c b/tools/perf/arch/arm/util/dwarf-regs.c
deleted file mode 100644
index 33ec5b339da8..000000000000
--- a/tools/perf/arch/arm/util/dwarf-regs.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Mapping of DWARF debug register numbers into register names.
- *
- * Copyright (C) 2010 Will Deacon, ARM Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <stddef.h>
-#include <dwarf-regs.h>
-
-struct pt_regs_dwarfnum {
- const char *name;
- unsigned int dwarfnum;
-};
-
-#define STR(s) #s
-#define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num}
-#define GPR_DWARFNUM_NAME(num) \
- {.name = STR(%r##num), .dwarfnum = num}
-#define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0}
-
-/*
- * Reference:
- * http://infocenter.arm.com/help/topic/com.arm.doc.ihi0040a/IHI0040A_aadwarf.pdf
- */
-static const struct pt_regs_dwarfnum regdwarfnum_table[] = {
- GPR_DWARFNUM_NAME(0),
- GPR_DWARFNUM_NAME(1),
- GPR_DWARFNUM_NAME(2),
- GPR_DWARFNUM_NAME(3),
- GPR_DWARFNUM_NAME(4),
- GPR_DWARFNUM_NAME(5),
- GPR_DWARFNUM_NAME(6),
- GPR_DWARFNUM_NAME(7),
- GPR_DWARFNUM_NAME(8),
- GPR_DWARFNUM_NAME(9),
- GPR_DWARFNUM_NAME(10),
- REG_DWARFNUM_NAME("%fp", 11),
- REG_DWARFNUM_NAME("%ip", 12),
- REG_DWARFNUM_NAME("%sp", 13),
- REG_DWARFNUM_NAME("%lr", 14),
- REG_DWARFNUM_NAME("%pc", 15),
- REG_DWARFNUM_END,
-};
-
-/**
- * get_arch_regstr() - lookup register name from it's DWARF register number
- * @n: the DWARF register number
- *
- * get_arch_regstr() returns the name of the register in struct
- * regdwarfnum_table from it's DWARF register number. If the register is not
- * found in the table, this returns NULL;
- */
-const char *get_arch_regstr(unsigned int n)
-{
- const struct pt_regs_dwarfnum *roff;
- for (roff = regdwarfnum_table; roff->name != NULL; roff++)
- if (roff->dwarfnum == n)
- return roff->name;
- return NULL;
-}
diff --git a/tools/perf/arch/arm/util/perf_regs.c b/tools/perf/arch/arm/util/perf_regs.c
new file mode 100644
index 000000000000..f94a0210c7b7
--- /dev/null
+++ b/tools/perf/arch/arm/util/perf_regs.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "perf_regs.h"
+#include "../../../util/perf_regs.h"
+
+static const struct sample_reg sample_reg_masks[] = {
+ SMPL_REG_END
+};
+
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+const struct sample_reg *arch__sample_reg_masks(void)
+{
+ return sample_reg_masks;
+}
diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c
index 98d67399a0d6..9be8da5207f5 100644
--- a/tools/perf/arch/arm/util/pmu.c
+++ b/tools/perf/arch/arm/util/pmu.c
@@ -1,36 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright(C) 2015 Linaro Limited. All rights reserved.
* Author: Mathieu Poirier <mathieu.poirier@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <linux/coresight-pmu.h>
#include <linux/perf_event.h>
+#include <linux/string.h>
-#include "cs-etm.h"
-#include "../../util/pmu.h"
+#include "arm-spe.h"
+#include "hisi-ptt.h"
+#include "../../../util/cpumap.h"
+#include "../../../util/pmu.h"
+#include "../../../util/cs-etm.h"
+#include "../../arm64/util/mem-events.h"
-struct perf_event_attr
-*perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused)
+void perf_pmu__arch_init(struct perf_pmu *pmu)
{
-#ifdef HAVE_AUXTRACE_SUPPORT
+ struct perf_cpu_map *intersect, *online = cpu_map__online();
+
if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) {
/* add ETM default config here */
+ pmu->auxtrace = true;
+ pmu->selectable = true;
+ pmu->perf_event_attr_init_default = cs_etm_get_default_config;
+#if defined(__aarch64__)
+ } else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) {
+ pmu->auxtrace = true;
+ pmu->selectable = true;
+ pmu->is_uncore = false;
+ pmu->perf_event_attr_init_default = arm_spe_pmu_default_config;
+ if (strstarts(pmu->name, "arm_spe_"))
+ pmu->mem_events = perf_mem_events_arm;
+ } else if (strstarts(pmu->name, HISI_PTT_PMU_NAME)) {
+ pmu->auxtrace = true;
pmu->selectable = true;
- pmu->set_drv_config = cs_etm_set_drv_config;
- }
#endif
- return NULL;
+ }
+ /* Workaround some ARM PMU's failing to correctly set CPU maps for online processors. */
+ intersect = perf_cpu_map__intersect(online, pmu->cpus);
+ perf_cpu_map__put(online);
+ perf_cpu_map__put(pmu->cpus);
+ pmu->cpus = intersect;
}
diff --git a/tools/perf/arch/arm/util/unwind-libdw.c b/tools/perf/arch/arm/util/unwind-libdw.c
index b4176c60117a..fbb643f224ec 100644
--- a/tools/perf/arch/arm/util/unwind-libdw.c
+++ b/tools/perf/arch/arm/util/unwind-libdw.c
@@ -1,11 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
#include <elfutils/libdwfl.h>
-#include "../../util/unwind-libdw.h"
-#include "../../util/perf_regs.h"
+#include "perf_regs.h"
+#include "../../../util/unwind-libdw.h"
+#include "../../../util/perf_regs.h"
+#include "../../../util/sample.h"
bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
{
struct unwind_info *ui = arg;
- struct regs_dump *user_regs = &ui->sample->user_regs;
+ struct regs_dump *user_regs = perf_sample__user_regs(ui->sample);
Dwarf_Word dwarf_regs[PERF_REG_ARM_MAX];
#define REG(r) ({ \
diff --git a/tools/perf/arch/arm/util/unwind-libunwind.c b/tools/perf/arch/arm/util/unwind-libunwind.c
index 62c397ed3d97..438906bf0014 100644
--- a/tools/perf/arch/arm/util/unwind-libunwind.c
+++ b/tools/perf/arch/arm/util/unwind-libunwind.c
@@ -1,9 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <libunwind.h>
#include "perf_regs.h"
-#include "../../util/unwind.h"
-#include "../../util/debug.h"
+#include "../../../util/unwind.h"
+#include "../../../util/debug.h"
int libunwind__arch_reg_id(int regnum)
{
diff --git a/tools/perf/arch/arm64/Build b/tools/perf/arch/arm64/Build
index 41bf61da476a..12ebc65ea7a3 100644
--- a/tools/perf/arch/arm64/Build
+++ b/tools/perf/arch/arm64/Build
@@ -1,2 +1,2 @@
-libperf-y += util/
-libperf-$(CONFIG_DWARF_UNWIND) += tests/
+perf-util-y += util/
+perf-test-y += tests/
diff --git a/tools/perf/arch/arm64/Makefile b/tools/perf/arch/arm64/Makefile
index eebe1ec9d2ee..087e099fb453 100644
--- a/tools/perf/arch/arm64/Makefile
+++ b/tools/perf/arch/arm64/Makefile
@@ -1,5 +1,3 @@
-ifndef NO_DWARF
-PERF_HAVE_DWARF_REGS := 1
-endif
+# SPDX-License-Identifier: GPL-2.0
PERF_HAVE_JITDUMP := 1
-PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1
+HAVE_KVM_STAT_SUPPORT := 1
diff --git a/tools/perf/arch/arm64/annotate/instructions.c b/tools/perf/arch/arm64/annotate/instructions.c
index 44eafd6f2d50..16cb62d40bd9 100644
--- a/tools/perf/arch/arm64/annotate/instructions.c
+++ b/tools/perf/arch/arm64/annotate/instructions.c
@@ -1,11 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/compiler.h>
+#include <errno.h>
#include <sys/types.h>
#include <regex.h>
+#include <stdlib.h>
struct arm64_annotate {
regex_t call_insn,
jump_insn;
};
+static int arm64_mov__parse(struct arch *arch __maybe_unused,
+ struct ins_operands *ops,
+ struct map_symbol *ms __maybe_unused,
+ struct disasm_line *dl __maybe_unused)
+{
+ char *s = strchr(ops->raw, ','), *target, *endptr;
+
+ if (s == NULL)
+ return -1;
+
+ *s = '\0';
+ ops->source.raw = strdup(ops->raw);
+ *s = ',';
+
+ if (ops->source.raw == NULL)
+ return -1;
+
+ target = ++s;
+ ops->target.raw = strdup(target);
+ if (ops->target.raw == NULL)
+ goto out_free_source;
+
+ ops->target.addr = strtoull(target, &endptr, 16);
+ if (endptr == target)
+ goto out_free_target;
+
+ s = strchr(endptr, '<');
+ if (s == NULL)
+ goto out_free_target;
+ endptr = strchr(s + 1, '>');
+ if (endptr == NULL)
+ goto out_free_target;
+
+ *endptr = '\0';
+ *s = ' ';
+ ops->target.name = strdup(s);
+ *s = '<';
+ *endptr = '>';
+ if (ops->target.name == NULL)
+ goto out_free_target;
+
+ return 0;
+
+out_free_target:
+ zfree(&ops->target.raw);
+out_free_source:
+ zfree(&ops->source.raw);
+ return -1;
+}
+
+static int mov__scnprintf(struct ins *ins, char *bf, size_t size,
+ struct ins_operands *ops, int max_ins_name);
+
+static struct ins_ops arm64_mov_ops = {
+ .parse = arm64_mov__parse,
+ .scnprintf = mov__scnprintf,
+};
+
static struct ins_ops *arm64__associate_instruction_ops(struct arch *arch, const char *name)
{
struct arm64_annotate *arm = arch->priv;
@@ -19,13 +81,13 @@ static struct ins_ops *arm64__associate_instruction_ops(struct arch *arch, const
else if (!strcmp(name, "ret"))
ops = &ret_ops;
else
- return NULL;
+ ops = &arm64_mov_ops;
arch__associate_ins_ops(arch, name, ops);
return ops;
}
-static int arm64__annotate_init(struct arch *arch)
+static int arm64__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
{
struct arm64_annotate *arm;
int err;
@@ -35,14 +97,14 @@ static int arm64__annotate_init(struct arch *arch)
arm = zalloc(sizeof(*arm));
if (!arm)
- return -1;
+ return ENOMEM;
/* bl, blr */
err = regcomp(&arm->call_insn, "^blr?$", REG_EXTENDED);
if (err)
goto out_free_arm;
/* b, b.cond, br, cbz/cbnz, tbz/tbnz */
- err = regcomp(&arm->jump_insn, "^[ct]?br?\\.?(cc|cs|eq|ge|gt|hi|le|ls|lt|mi|ne|pl)?n?z?$",
+ err = regcomp(&arm->jump_insn, "^[ct]?br?\\.?(cc|cs|eq|ge|gt|hi|hs|le|lo|ls|lt|mi|ne|pl|vc|vs)?n?z?$",
REG_EXTENDED);
if (err)
goto out_free_call;
@@ -50,13 +112,15 @@ static int arm64__annotate_init(struct arch *arch)
arch->initialized = true;
arch->priv = arm;
arch->associate_instruction_ops = arm64__associate_instruction_ops;
- arch->objdump.comment_char = ';';
+ arch->objdump.comment_char = '/';
arch->objdump.skip_functions_char = '+';
+ arch->e_machine = EM_AARCH64;
+ arch->e_flags = 0;
return 0;
out_free_call:
regfree(&arm->call_insn);
out_free_arm:
free(arm);
- return -1;
+ return SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_REGEXP;
}
diff --git a/tools/perf/arch/arm64/entry/syscalls/syscall_32.tbl b/tools/perf/arch/arm64/entry/syscalls/syscall_32.tbl
new file mode 100644
index 000000000000..9a37930d4e26
--- /dev/null
+++ b/tools/perf/arch/arm64/entry/syscalls/syscall_32.tbl
@@ -0,0 +1,476 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# AArch32 (compat) system call definitions.
+#
+# Copyright (C) 2001-2005 Russell King
+# Copyright (C) 2012 ARM Ltd.
+#
+# This file corresponds to arch/arm/tools/syscall.tbl
+# for the native EABI syscalls and should be kept in sync
+# Instead of the OABI syscalls, it contains pointers to
+# the compat entry points where they differ from the native
+# syscalls.
+#
+0 common restart_syscall sys_restart_syscall
+1 common exit sys_exit
+2 common fork sys_fork
+3 common read sys_read
+4 common write sys_write
+5 common open sys_open compat_sys_open
+6 common close sys_close
+# 7 was sys_waitpid
+8 common creat sys_creat
+9 common link sys_link
+10 common unlink sys_unlink
+11 common execve sys_execve compat_sys_execve
+12 common chdir sys_chdir
+# 13 was sys_time
+14 common mknod sys_mknod
+15 common chmod sys_chmod
+16 common lchown sys_lchown16
+# 17 was sys_break
+# 18 was sys_stat
+19 common lseek sys_lseek compat_sys_lseek
+20 common getpid sys_getpid
+21 common mount sys_mount
+# 22 was sys_umount
+23 common setuid sys_setuid16
+24 common getuid sys_getuid16
+# 25 was sys_stime
+26 common ptrace sys_ptrace compat_sys_ptrace
+# 27 was sys_alarm
+# 28 was sys_fstat
+29 common pause sys_pause
+# 30 was sys_utime
+# 31 was sys_stty
+# 32 was sys_gtty
+33 common access sys_access
+34 common nice sys_nice
+# 35 was sys_ftime
+36 common sync sys_sync
+37 common kill sys_kill
+38 common rename sys_rename
+39 common mkdir sys_mkdir
+40 common rmdir sys_rmdir
+41 common dup sys_dup
+42 common pipe sys_pipe
+43 common times sys_times compat_sys_times
+# 44 was sys_prof
+45 common brk sys_brk
+46 common setgid sys_setgid16
+47 common getgid sys_getgid16
+# 48 was sys_signal
+49 common geteuid sys_geteuid16
+50 common getegid sys_getegid16
+51 common acct sys_acct
+52 common umount2 sys_umount
+# 53 was sys_lock
+54 common ioctl sys_ioctl compat_sys_ioctl
+55 common fcntl sys_fcntl compat_sys_fcntl
+# 56 was sys_mpx
+57 common setpgid sys_setpgid
+# 58 was sys_ulimit
+# 59 was sys_olduname
+60 common umask sys_umask
+61 common chroot sys_chroot
+62 common ustat sys_ustat compat_sys_ustat
+63 common dup2 sys_dup2
+64 common getppid sys_getppid
+65 common getpgrp sys_getpgrp
+66 common setsid sys_setsid
+67 common sigaction sys_sigaction compat_sys_sigaction
+# 68 was sys_sgetmask
+# 69 was sys_ssetmask
+70 common setreuid sys_setreuid16
+71 common setregid sys_setregid16
+72 common sigsuspend sys_sigsuspend
+73 common sigpending sys_sigpending compat_sys_sigpending
+74 common sethostname sys_sethostname
+75 common setrlimit sys_setrlimit compat_sys_setrlimit
+# 76 was compat_sys_getrlimit
+77 common getrusage sys_getrusage compat_sys_getrusage
+78 common gettimeofday sys_gettimeofday compat_sys_gettimeofday
+79 common settimeofday sys_settimeofday compat_sys_settimeofday
+80 common getgroups sys_getgroups16
+81 common setgroups sys_setgroups16
+# 82 was compat_sys_select
+83 common symlink sys_symlink
+# 84 was sys_lstat
+85 common readlink sys_readlink
+86 common uselib sys_uselib
+87 common swapon sys_swapon
+88 common reboot sys_reboot
+# 89 was sys_readdir
+# 90 was sys_mmap
+91 common munmap sys_munmap
+92 common truncate sys_truncate compat_sys_truncate
+93 common ftruncate sys_ftruncate compat_sys_ftruncate
+94 common fchmod sys_fchmod
+95 common fchown sys_fchown16
+96 common getpriority sys_getpriority
+97 common setpriority sys_setpriority
+# 98 was sys_profil
+99 common statfs sys_statfs compat_sys_statfs
+100 common fstatfs sys_fstatfs compat_sys_fstatfs
+# 101 was sys_ioperm
+# 102 was sys_socketcall
+103 common syslog sys_syslog
+104 common setitimer sys_setitimer compat_sys_setitimer
+105 common getitimer sys_getitimer compat_sys_getitimer
+106 common stat sys_newstat compat_sys_newstat
+107 common lstat sys_newlstat compat_sys_newlstat
+108 common fstat sys_newfstat compat_sys_newfstat
+# 109 was sys_uname
+# 110 was sys_iopl
+111 common vhangup sys_vhangup
+# 112 was sys_idle
+# 113 was sys_syscall
+114 common wait4 sys_wait4 compat_sys_wait4
+115 common swapoff sys_swapoff
+116 common sysinfo sys_sysinfo compat_sys_sysinfo
+# 117 was sys_ipc
+118 common fsync sys_fsync
+119 common sigreturn sys_sigreturn_wrapper compat_sys_sigreturn
+120 common clone sys_clone
+121 common setdomainname sys_setdomainname
+122 common uname sys_newuname
+# 123 was sys_modify_ldt
+124 common adjtimex sys_adjtimex_time32
+125 common mprotect sys_mprotect
+126 common sigprocmask sys_sigprocmask compat_sys_sigprocmask
+# 127 was sys_create_module
+128 common init_module sys_init_module
+129 common delete_module sys_delete_module
+# 130 was sys_get_kernel_syms
+131 common quotactl sys_quotactl
+132 common getpgid sys_getpgid
+133 common fchdir sys_fchdir
+134 common bdflush sys_ni_syscall
+135 common sysfs sys_sysfs
+136 common personality sys_personality
+# 137 was sys_afs_syscall
+138 common setfsuid sys_setfsuid16
+139 common setfsgid sys_setfsgid16
+140 common _llseek sys_llseek
+141 common getdents sys_getdents compat_sys_getdents
+142 common _newselect sys_select compat_sys_select
+143 common flock sys_flock
+144 common msync sys_msync
+145 common readv sys_readv
+146 common writev sys_writev
+147 common getsid sys_getsid
+148 common fdatasync sys_fdatasync
+149 common _sysctl sys_ni_syscall
+150 common mlock sys_mlock
+151 common munlock sys_munlock
+152 common mlockall sys_mlockall
+153 common munlockall sys_munlockall
+154 common sched_setparam sys_sched_setparam
+155 common sched_getparam sys_sched_getparam
+156 common sched_setscheduler sys_sched_setscheduler
+157 common sched_getscheduler sys_sched_getscheduler
+158 common sched_yield sys_sched_yield
+159 common sched_get_priority_max sys_sched_get_priority_max
+160 common sched_get_priority_min sys_sched_get_priority_min
+161 common sched_rr_get_interval sys_sched_rr_get_interval_time32
+162 common nanosleep sys_nanosleep_time32
+163 common mremap sys_mremap
+164 common setresuid sys_setresuid16
+165 common getresuid sys_getresuid16
+# 166 was sys_vm86
+# 167 was sys_query_module
+168 common poll sys_poll
+169 common nfsservctl sys_ni_syscall
+170 common setresgid sys_setresgid16
+171 common getresgid sys_getresgid16
+172 common prctl sys_prctl
+173 common rt_sigreturn sys_rt_sigreturn_wrapper compat_sys_rt_sigreturn
+174 common rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction
+175 common rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask
+176 common rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending
+177 common rt_sigtimedwait sys_rt_sigtimedwait_time32 compat_sys_rt_sigtimedwait_time32
+178 common rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo
+179 common rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend
+180 common pread64 sys_pread64 compat_sys_aarch32_pread64
+181 common pwrite64 sys_pwrite64 compat_sys_aarch32_pwrite64
+182 common chown sys_chown16
+183 common getcwd sys_getcwd
+184 common capget sys_capget
+185 common capset sys_capset
+186 common sigaltstack sys_sigaltstack compat_sys_sigaltstack
+187 common sendfile sys_sendfile compat_sys_sendfile
+# 188 reserved
+# 189 reserved
+190 common vfork sys_vfork
+# SuS compliant getrlimit
+191 common ugetrlimit sys_getrlimit compat_sys_getrlimit
+192 common mmap2 sys_mmap2 compat_sys_aarch32_mmap2
+193 common truncate64 sys_truncate64 compat_sys_aarch32_truncate64
+194 common ftruncate64 sys_ftruncate64 compat_sys_aarch32_ftruncate64
+195 common stat64 sys_stat64
+196 common lstat64 sys_lstat64
+197 common fstat64 sys_fstat64
+198 common lchown32 sys_lchown
+199 common getuid32 sys_getuid
+200 common getgid32 sys_getgid
+201 common geteuid32 sys_geteuid
+202 common getegid32 sys_getegid
+203 common setreuid32 sys_setreuid
+204 common setregid32 sys_setregid
+205 common getgroups32 sys_getgroups
+206 common setgroups32 sys_setgroups
+207 common fchown32 sys_fchown
+208 common setresuid32 sys_setresuid
+209 common getresuid32 sys_getresuid
+210 common setresgid32 sys_setresgid
+211 common getresgid32 sys_getresgid
+212 common chown32 sys_chown
+213 common setuid32 sys_setuid
+214 common setgid32 sys_setgid
+215 common setfsuid32 sys_setfsuid
+216 common setfsgid32 sys_setfsgid
+217 common getdents64 sys_getdents64
+218 common pivot_root sys_pivot_root
+219 common mincore sys_mincore
+220 common madvise sys_madvise
+221 common fcntl64 sys_fcntl64 compat_sys_fcntl64
+# 222 for tux
+# 223 is unused
+224 common gettid sys_gettid
+225 common readahead sys_readahead compat_sys_aarch32_readahead
+226 common setxattr sys_setxattr
+227 common lsetxattr sys_lsetxattr
+228 common fsetxattr sys_fsetxattr
+229 common getxattr sys_getxattr
+230 common lgetxattr sys_lgetxattr
+231 common fgetxattr sys_fgetxattr
+232 common listxattr sys_listxattr
+233 common llistxattr sys_llistxattr
+234 common flistxattr sys_flistxattr
+235 common removexattr sys_removexattr
+236 common lremovexattr sys_lremovexattr
+237 common fremovexattr sys_fremovexattr
+238 common tkill sys_tkill
+239 common sendfile64 sys_sendfile64
+240 common futex sys_futex_time32
+241 common sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity
+242 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity
+243 common io_setup sys_io_setup compat_sys_io_setup
+244 common io_destroy sys_io_destroy
+245 common io_getevents sys_io_getevents_time32
+246 common io_submit sys_io_submit compat_sys_io_submit
+247 common io_cancel sys_io_cancel
+248 common exit_group sys_exit_group
+249 common lookup_dcookie sys_ni_syscall
+250 common epoll_create sys_epoll_create
+251 common epoll_ctl sys_epoll_ctl
+252 common epoll_wait sys_epoll_wait
+253 common remap_file_pages sys_remap_file_pages
+# 254 for set_thread_area
+# 255 for get_thread_area
+256 common set_tid_address sys_set_tid_address
+257 common timer_create sys_timer_create compat_sys_timer_create
+258 common timer_settime sys_timer_settime32
+259 common timer_gettime sys_timer_gettime32
+260 common timer_getoverrun sys_timer_getoverrun
+261 common timer_delete sys_timer_delete
+262 common clock_settime sys_clock_settime32
+263 common clock_gettime sys_clock_gettime32
+264 common clock_getres sys_clock_getres_time32
+265 common clock_nanosleep sys_clock_nanosleep_time32
+266 common statfs64 sys_statfs64_wrapper compat_sys_aarch32_statfs64
+267 common fstatfs64 sys_fstatfs64_wrapper compat_sys_aarch32_fstatfs64
+268 common tgkill sys_tgkill
+269 common utimes sys_utimes_time32
+270 common arm_fadvise64_64 sys_arm_fadvise64_64 compat_sys_aarch32_fadvise64_64
+271 common pciconfig_iobase sys_pciconfig_iobase
+272 common pciconfig_read sys_pciconfig_read
+273 common pciconfig_write sys_pciconfig_write
+274 common mq_open sys_mq_open compat_sys_mq_open
+275 common mq_unlink sys_mq_unlink
+276 common mq_timedsend sys_mq_timedsend_time32
+277 common mq_timedreceive sys_mq_timedreceive_time32
+278 common mq_notify sys_mq_notify compat_sys_mq_notify
+279 common mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr
+280 common waitid sys_waitid compat_sys_waitid
+281 common socket sys_socket
+282 common bind sys_bind
+283 common connect sys_connect
+284 common listen sys_listen
+285 common accept sys_accept
+286 common getsockname sys_getsockname
+287 common getpeername sys_getpeername
+288 common socketpair sys_socketpair
+289 common send sys_send
+290 common sendto sys_sendto
+291 common recv sys_recv compat_sys_recv
+292 common recvfrom sys_recvfrom compat_sys_recvfrom
+293 common shutdown sys_shutdown
+294 common setsockopt sys_setsockopt
+295 common getsockopt sys_getsockopt
+296 common sendmsg sys_sendmsg compat_sys_sendmsg
+297 common recvmsg sys_recvmsg compat_sys_recvmsg
+298 common semop sys_semop
+299 common semget sys_semget
+300 common semctl sys_old_semctl compat_sys_old_semctl
+301 common msgsnd sys_msgsnd compat_sys_msgsnd
+302 common msgrcv sys_msgrcv compat_sys_msgrcv
+303 common msgget sys_msgget
+304 common msgctl sys_old_msgctl compat_sys_old_msgctl
+305 common shmat sys_shmat compat_sys_shmat
+306 common shmdt sys_shmdt
+307 common shmget sys_shmget
+308 common shmctl sys_old_shmctl compat_sys_old_shmctl
+309 common add_key sys_add_key
+310 common request_key sys_request_key
+311 common keyctl sys_keyctl compat_sys_keyctl
+312 common semtimedop sys_semtimedop_time32
+313 common vserver sys_ni_syscall
+314 common ioprio_set sys_ioprio_set
+315 common ioprio_get sys_ioprio_get
+316 common inotify_init sys_inotify_init
+317 common inotify_add_watch sys_inotify_add_watch
+318 common inotify_rm_watch sys_inotify_rm_watch
+319 common mbind sys_mbind
+320 common get_mempolicy sys_get_mempolicy
+321 common set_mempolicy sys_set_mempolicy
+322 common openat sys_openat compat_sys_openat
+323 common mkdirat sys_mkdirat
+324 common mknodat sys_mknodat
+325 common fchownat sys_fchownat
+326 common futimesat sys_futimesat_time32
+327 common fstatat64 sys_fstatat64
+328 common unlinkat sys_unlinkat
+329 common renameat sys_renameat
+330 common linkat sys_linkat
+331 common symlinkat sys_symlinkat
+332 common readlinkat sys_readlinkat
+333 common fchmodat sys_fchmodat
+334 common faccessat sys_faccessat
+335 common pselect6 sys_pselect6_time32 compat_sys_pselect6_time32
+336 common ppoll sys_ppoll_time32 compat_sys_ppoll_time32
+337 common unshare sys_unshare
+338 common set_robust_list sys_set_robust_list compat_sys_set_robust_list
+339 common get_robust_list sys_get_robust_list compat_sys_get_robust_list
+340 common splice sys_splice
+341 common arm_sync_file_range sys_sync_file_range2 compat_sys_aarch32_sync_file_range2
+342 common tee sys_tee
+343 common vmsplice sys_vmsplice
+344 common move_pages sys_move_pages
+345 common getcpu sys_getcpu
+346 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait
+347 common kexec_load sys_kexec_load compat_sys_kexec_load
+348 common utimensat sys_utimensat_time32
+349 common signalfd sys_signalfd compat_sys_signalfd
+350 common timerfd_create sys_timerfd_create
+351 common eventfd sys_eventfd
+352 common fallocate sys_fallocate compat_sys_aarch32_fallocate
+353 common timerfd_settime sys_timerfd_settime32
+354 common timerfd_gettime sys_timerfd_gettime32
+355 common signalfd4 sys_signalfd4 compat_sys_signalfd4
+356 common eventfd2 sys_eventfd2
+357 common epoll_create1 sys_epoll_create1
+358 common dup3 sys_dup3
+359 common pipe2 sys_pipe2
+360 common inotify_init1 sys_inotify_init1
+361 common preadv sys_preadv compat_sys_preadv
+362 common pwritev sys_pwritev compat_sys_pwritev
+363 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
+364 common perf_event_open sys_perf_event_open
+365 common recvmmsg sys_recvmmsg_time32 compat_sys_recvmmsg_time32
+366 common accept4 sys_accept4
+367 common fanotify_init sys_fanotify_init
+368 common fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark
+369 common prlimit64 sys_prlimit64
+370 common name_to_handle_at sys_name_to_handle_at
+371 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
+372 common clock_adjtime sys_clock_adjtime32
+373 common syncfs sys_syncfs
+374 common sendmmsg sys_sendmmsg compat_sys_sendmmsg
+375 common setns sys_setns
+376 common process_vm_readv sys_process_vm_readv
+377 common process_vm_writev sys_process_vm_writev
+378 common kcmp sys_kcmp
+379 common finit_module sys_finit_module
+380 common sched_setattr sys_sched_setattr
+381 common sched_getattr sys_sched_getattr
+382 common renameat2 sys_renameat2
+383 common seccomp sys_seccomp
+384 common getrandom sys_getrandom
+385 common memfd_create sys_memfd_create
+386 common bpf sys_bpf
+387 common execveat sys_execveat compat_sys_execveat
+388 common userfaultfd sys_userfaultfd
+389 common membarrier sys_membarrier
+390 common mlock2 sys_mlock2
+391 common copy_file_range sys_copy_file_range
+392 common preadv2 sys_preadv2 compat_sys_preadv2
+393 common pwritev2 sys_pwritev2 compat_sys_pwritev2
+394 common pkey_mprotect sys_pkey_mprotect
+395 common pkey_alloc sys_pkey_alloc
+396 common pkey_free sys_pkey_free
+397 common statx sys_statx
+398 common rseq sys_rseq
+399 common io_pgetevents sys_io_pgetevents_time32 compat_sys_io_pgetevents
+400 common migrate_pages sys_migrate_pages
+401 common kexec_file_load sys_kexec_file_load
+# 402 is unused
+403 common clock_gettime64 sys_clock_gettime
+404 common clock_settime64 sys_clock_settime
+405 common clock_adjtime64 sys_clock_adjtime
+406 common clock_getres_time64 sys_clock_getres
+407 common clock_nanosleep_time64 sys_clock_nanosleep
+408 common timer_gettime64 sys_timer_gettime
+409 common timer_settime64 sys_timer_settime
+410 common timerfd_gettime64 sys_timerfd_gettime
+411 common timerfd_settime64 sys_timerfd_settime
+412 common utimensat_time64 sys_utimensat
+413 common pselect6_time64 sys_pselect6 compat_sys_pselect6_time64
+414 common ppoll_time64 sys_ppoll compat_sys_ppoll_time64
+416 common io_pgetevents_time64 sys_io_pgetevents compat_sys_io_pgetevents_time64
+417 common recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64
+418 common mq_timedsend_time64 sys_mq_timedsend
+419 common mq_timedreceive_time64 sys_mq_timedreceive
+420 common semtimedop_time64 sys_semtimedop
+421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64
+422 common futex_time64 sys_futex
+423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register
+428 common open_tree sys_open_tree
+429 common move_mount sys_move_mount
+430 common fsopen sys_fsopen
+431 common fsconfig sys_fsconfig
+432 common fsmount sys_fsmount
+433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
+435 common clone3 sys_clone3
+436 common close_range sys_close_range
+437 common openat2 sys_openat2
+438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
+440 common process_madvise sys_process_madvise
+441 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
+442 common mount_setattr sys_mount_setattr
+443 common quotactl_fd sys_quotactl_fd
+444 common landlock_create_ruleset sys_landlock_create_ruleset
+445 common landlock_add_rule sys_landlock_add_rule
+446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
+449 common futex_waitv sys_futex_waitv
+450 common set_mempolicy_home_node sys_set_mempolicy_home_node
+451 common cachestat sys_cachestat
+452 common fchmodat2 sys_fchmodat2
+453 common map_shadow_stack sys_map_shadow_stack
+454 common futex_wake sys_futex_wake
+455 common futex_wait sys_futex_wait
+456 common futex_requeue sys_futex_requeue
+457 common statmount sys_statmount
+458 common listmount sys_listmount
+459 common lsm_get_self_attr sys_lsm_get_self_attr
+460 common lsm_set_self_attr sys_lsm_set_self_attr
+461 common lsm_list_modules sys_lsm_list_modules
+462 common mseal sys_mseal
diff --git a/tools/perf/arch/arm64/entry/syscalls/syscall_64.tbl b/tools/perf/arch/arm64/entry/syscalls/syscall_64.tbl
new file mode 120000
index 000000000000..4fdd58f10c15
--- /dev/null
+++ b/tools/perf/arch/arm64/entry/syscalls/syscall_64.tbl
@@ -0,0 +1 @@
+../../../../../scripts/syscall.tbl \ No newline at end of file
diff --git a/tools/perf/arch/arm64/include/arch-tests.h b/tools/perf/arch/arm64/include/arch-tests.h
new file mode 100644
index 000000000000..474d7cf5afbd
--- /dev/null
+++ b/tools/perf/arch/arm64/include/arch-tests.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ARCH_TESTS_H
+#define ARCH_TESTS_H
+
+struct test_suite;
+
+int test__cpuid_match(struct test_suite *test, int subtest);
+extern struct test_suite *arch_tests[];
+
+#endif
diff --git a/tools/perf/arch/arm64/include/dwarf-regs-table.h b/tools/perf/arch/arm64/include/dwarf-regs-table.h
index 36e375f5a211..177b2855f797 100644
--- a/tools/perf/arch/arm64/include/dwarf-regs-table.h
+++ b/tools/perf/arch/arm64/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef DEFINE_DWARF_REGSTR_TABLE
/* This is included in perf/util/dwarf-regs.c */
diff --git a/tools/perf/arch/arm64/include/perf_regs.h b/tools/perf/arch/arm64/include/perf_regs.h
index 4e5af27e3fbf..58639ee9f7ea 100644
--- a/tools/perf/arch/arm64/include/perf_regs.h
+++ b/tools/perf/arch/arm64/include/perf_regs.h
@@ -1,9 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_PERF_REGS_H
#define ARCH_PERF_REGS_H
#include <stdlib.h>
#include <linux/types.h>
+#define perf_event_arm_regs perf_event_arm64_regs
#include <asm/perf_regs.h>
+#undef perf_event_arm_regs
void perf_regs_load(u64 *regs);
@@ -11,83 +14,4 @@ void perf_regs_load(u64 *regs);
#define PERF_REGS_MAX PERF_REG_ARM64_MAX
#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_64
-#define PERF_REG_IP PERF_REG_ARM64_PC
-#define PERF_REG_SP PERF_REG_ARM64_SP
-
-static inline const char *perf_reg_name(int id)
-{
- switch (id) {
- case PERF_REG_ARM64_X0:
- return "x0";
- case PERF_REG_ARM64_X1:
- return "x1";
- case PERF_REG_ARM64_X2:
- return "x2";
- case PERF_REG_ARM64_X3:
- return "x3";
- case PERF_REG_ARM64_X4:
- return "x4";
- case PERF_REG_ARM64_X5:
- return "x5";
- case PERF_REG_ARM64_X6:
- return "x6";
- case PERF_REG_ARM64_X7:
- return "x7";
- case PERF_REG_ARM64_X8:
- return "x8";
- case PERF_REG_ARM64_X9:
- return "x9";
- case PERF_REG_ARM64_X10:
- return "x10";
- case PERF_REG_ARM64_X11:
- return "x11";
- case PERF_REG_ARM64_X12:
- return "x12";
- case PERF_REG_ARM64_X13:
- return "x13";
- case PERF_REG_ARM64_X14:
- return "x14";
- case PERF_REG_ARM64_X15:
- return "x15";
- case PERF_REG_ARM64_X16:
- return "x16";
- case PERF_REG_ARM64_X17:
- return "x17";
- case PERF_REG_ARM64_X18:
- return "x18";
- case PERF_REG_ARM64_X19:
- return "x19";
- case PERF_REG_ARM64_X20:
- return "x20";
- case PERF_REG_ARM64_X21:
- return "x21";
- case PERF_REG_ARM64_X22:
- return "x22";
- case PERF_REG_ARM64_X23:
- return "x23";
- case PERF_REG_ARM64_X24:
- return "x24";
- case PERF_REG_ARM64_X25:
- return "x25";
- case PERF_REG_ARM64_X26:
- return "x26";
- case PERF_REG_ARM64_X27:
- return "x27";
- case PERF_REG_ARM64_X28:
- return "x28";
- case PERF_REG_ARM64_X29:
- return "x29";
- case PERF_REG_ARM64_SP:
- return "sp";
- case PERF_REG_ARM64_LR:
- return "lr";
- case PERF_REG_ARM64_PC:
- return "pc";
- default:
- return NULL;
- }
-
- return NULL;
-}
-
#endif /* ARCH_PERF_REGS_H */
diff --git a/tools/perf/arch/arm64/tests/Build b/tools/perf/arch/arm64/tests/Build
index b30eff9bcc83..d44c9de92d42 100644
--- a/tools/perf/arch/arm64/tests/Build
+++ b/tools/perf/arch/arm64/tests/Build
@@ -1,2 +1,5 @@
-libperf-y += regs_load.o
-libperf-y += dwarf-unwind.o
+perf-test-y += regs_load.o
+perf-test-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o
+
+perf-test-y += arch-tests.o
+perf-test-y += cpuid-match.o
diff --git a/tools/perf/arch/arm64/tests/arch-tests.c b/tools/perf/arch/arm64/tests/arch-tests.c
new file mode 100644
index 000000000000..74932e72c727
--- /dev/null
+++ b/tools/perf/arch/arm64/tests/arch-tests.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <string.h>
+#include "tests/tests.h"
+#include "arch-tests.h"
+
+
+DEFINE_SUITE("arm64 CPUID matching", cpuid_match);
+
+struct test_suite *arch_tests[] = {
+#ifdef HAVE_DWARF_UNWIND_SUPPORT
+ &suite__dwarf_unwind,
+#endif
+ &suite__cpuid_match,
+ NULL,
+};
diff --git a/tools/perf/arch/arm64/tests/cpuid-match.c b/tools/perf/arch/arm64/tests/cpuid-match.c
new file mode 100644
index 000000000000..e8e3947cca18
--- /dev/null
+++ b/tools/perf/arch/arm64/tests/cpuid-match.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/compiler.h>
+
+#include "arch-tests.h"
+#include "tests/tests.h"
+#include "util/header.h"
+
+int test__cpuid_match(struct test_suite *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ /* midr with no leading zeros matches */
+ if (strcmp_cpuid_str("0x410fd0c0", "0x00000000410fd0c0"))
+ return -1;
+ /* Upper case matches */
+ if (strcmp_cpuid_str("0x410fd0c0", "0x00000000410FD0C0"))
+ return -1;
+ /* r0p0 = r0p0 matches */
+ if (strcmp_cpuid_str("0x00000000410fd480", "0x00000000410fd480"))
+ return -1;
+ /* r0p1 > r0p0 matches */
+ if (strcmp_cpuid_str("0x00000000410fd480", "0x00000000410fd481"))
+ return -1;
+ /* r1p0 > r0p0 matches*/
+ if (strcmp_cpuid_str("0x00000000410fd480", "0x00000000411fd480"))
+ return -1;
+ /* r0p0 < r0p1 doesn't match */
+ if (!strcmp_cpuid_str("0x00000000410fd481", "0x00000000410fd480"))
+ return -1;
+ /* r0p0 < r1p0 doesn't match */
+ if (!strcmp_cpuid_str("0x00000000411fd480", "0x00000000410fd480"))
+ return -1;
+ /* Different CPU doesn't match */
+ if (!strcmp_cpuid_str("0x00000000410fd4c0", "0x00000000430f0af0"))
+ return -1;
+
+ return 0;
+}
diff --git a/tools/perf/arch/arm64/tests/dwarf-unwind.c b/tools/perf/arch/arm64/tests/dwarf-unwind.c
index cf04a4c91c59..440d00f0de14 100644
--- a/tools/perf/arch/arm64/tests/dwarf-unwind.c
+++ b/tools/perf/arch/arm64/tests/dwarf-unwind.c
@@ -1,7 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
#include <string.h>
#include "perf_regs.h"
#include "thread.h"
#include "map.h"
+#include "maps.h"
#include "event.h"
#include "debug.h"
#include "tests/tests.h"
@@ -24,14 +26,14 @@ static int sample_ustack(struct perf_sample *sample,
sp = (unsigned long) regs[PERF_REG_ARM64_SP];
- map = map_groups__find(thread->mg, MAP__VARIABLE, (u64) sp);
+ map = maps__find(thread__maps(thread), (u64)sp);
if (!map) {
pr_debug("failed to get stack map\n");
free(buf);
return -1;
}
- stack_size = map->end - sp;
+ stack_size = map__end(map) - sp;
stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size;
memcpy(buf, (void *) sp, stack_size);
@@ -43,7 +45,7 @@ static int sample_ustack(struct perf_sample *sample,
int test__arch_unwind_sample(struct perf_sample *sample,
struct thread *thread)
{
- struct regs_dump *regs = &sample->user_regs;
+ struct regs_dump *regs = perf_sample__user_regs(sample);
u64 *buf;
buf = calloc(1, sizeof(u64) * PERF_REGS_MAX);
diff --git a/tools/perf/arch/arm64/tests/regs_load.S b/tools/perf/arch/arm64/tests/regs_load.S
index 025b46e579a6..d49de40b6818 100644
--- a/tools/perf/arch/arm64/tests/regs_load.S
+++ b/tools/perf/arch/arm64/tests/regs_load.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
.text
@@ -6,7 +7,7 @@
#define LDR_REG(r) ldr x##r, [x0, 8 * r]
#define SP (8 * 31)
#define PC (8 * 32)
-ENTRY(perf_regs_load)
+SYM_FUNC_START(perf_regs_load)
STR_REG(0)
STR_REG(1)
STR_REG(2)
@@ -43,4 +44,4 @@ ENTRY(perf_regs_load)
str x30, [x0, #PC]
LDR_REG(1)
ret
-ENDPROC(perf_regs_load)
+SYM_FUNC_END(perf_regs_load)
diff --git a/tools/perf/arch/arm64/util/Build b/tools/perf/arch/arm64/util/Build
index cef6fb38d17e..d63881081d2e 100644
--- a/tools/perf/arch/arm64/util/Build
+++ b/tools/perf/arch/arm64/util/Build
@@ -1,6 +1,14 @@
-libperf-$(CONFIG_DWARF) += dwarf-regs.o
-libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
-
-libperf-$(CONFIG_AUXTRACE) += ../../arm/util/pmu.o \
- ../../arm/util/auxtrace.o \
- ../../arm/util/cs-etm.o
+perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
+perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
+perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
+perf-util-y += ../../arm/util/auxtrace.o
+perf-util-y += ../../arm/util/cs-etm.o
+perf-util-y += ../../arm/util/pmu.o
+perf-util-y += arm-spe.o
+perf-util-y += header.o
+perf-util-y += hisi-ptt.o
+perf-util-y += machine.o
+perf-util-y += mem-events.o
+perf-util-y += perf_regs.o
+perf-util-y += pmu.o
+perf-util-y += tsc.o
diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c
new file mode 100644
index 000000000000..d5ec1408d0ae
--- /dev/null
+++ b/tools/perf/arch/arm64/util/arm-spe.c
@@ -0,0 +1,692 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Arm Statistical Profiling Extensions (SPE) support
+ * Copyright (c) 2017-2018, Arm Ltd.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/bitops.h>
+#include <linux/log2.h>
+#include <linux/string.h>
+#include <linux/zalloc.h>
+#include <errno.h>
+#include <time.h>
+
+#include "../../../util/cpumap.h"
+#include "../../../util/event.h"
+#include "../../../util/evsel.h"
+#include "../../../util/evsel_config.h"
+#include "../../../util/evlist.h"
+#include "../../../util/session.h"
+#include <internal/lib.h> // page_size
+#include "../../../util/pmu.h"
+#include "../../../util/debug.h"
+#include "../../../util/auxtrace.h"
+#include "../../../util/record.h"
+#include "../../../util/header.h"
+#include "../../../util/arm-spe.h"
+#include <tools/libc_compat.h> // reallocarray
+
+#define ARM_SPE_CPU_MAGIC 0x1010101010101010ULL
+
+#define KiB(x) ((x) * 1024)
+#define MiB(x) ((x) * 1024 * 1024)
+
+struct arm_spe_recording {
+ struct auxtrace_record itr;
+ struct perf_pmu *arm_spe_pmu;
+ struct evlist *evlist;
+ int wrapped_cnt;
+ bool *wrapped;
+};
+
+/* Iterate config list to detect if the "freq" parameter is set */
+static bool arm_spe_is_set_freq(struct evsel *evsel)
+{
+ struct evsel_config_term *term;
+
+ list_for_each_entry(term, &evsel->config_terms, list) {
+ if (term->type == EVSEL__CONFIG_TERM_FREQ)
+ return true;
+ }
+
+ return false;
+}
+
+/*
+ * arm_spe_find_cpus() returns a new cpu map, and the caller should invoke
+ * perf_cpu_map__put() to release the map after use.
+ */
+static struct perf_cpu_map *arm_spe_find_cpus(struct evlist *evlist)
+{
+ struct perf_cpu_map *event_cpus = evlist->core.user_requested_cpus;
+ struct perf_cpu_map *online_cpus = perf_cpu_map__new_online_cpus();
+ struct perf_cpu_map *intersect_cpus;
+
+ /* cpu map is not "any" CPU , we have specific CPUs to work with */
+ if (!perf_cpu_map__has_any_cpu(event_cpus)) {
+ intersect_cpus = perf_cpu_map__intersect(event_cpus, online_cpus);
+ perf_cpu_map__put(online_cpus);
+ /* Event can be "any" CPU so count all CPUs. */
+ } else {
+ intersect_cpus = online_cpus;
+ }
+
+ return intersect_cpus;
+}
+
+static size_t
+arm_spe_info_priv_size(struct auxtrace_record *itr __maybe_unused,
+ struct evlist *evlist)
+{
+ struct perf_cpu_map *cpu_map = arm_spe_find_cpus(evlist);
+ size_t size;
+
+ if (!cpu_map)
+ return 0;
+
+ size = ARM_SPE_AUXTRACE_PRIV_MAX +
+ ARM_SPE_CPU_PRIV_MAX * perf_cpu_map__nr(cpu_map);
+ size *= sizeof(u64);
+
+ perf_cpu_map__put(cpu_map);
+ return size;
+}
+
+static int arm_spe_save_cpu_header(struct auxtrace_record *itr,
+ struct perf_cpu cpu, __u64 data[])
+{
+ struct arm_spe_recording *sper =
+ container_of(itr, struct arm_spe_recording, itr);
+ struct perf_pmu *pmu = NULL;
+ char *cpuid = NULL;
+ u64 val;
+
+ /* Read CPU MIDR */
+ cpuid = get_cpuid_allow_env_override(cpu);
+ if (!cpuid)
+ return -ENOMEM;
+ val = strtol(cpuid, NULL, 16);
+
+ data[ARM_SPE_MAGIC] = ARM_SPE_CPU_MAGIC;
+ data[ARM_SPE_CPU] = cpu.cpu;
+ data[ARM_SPE_CPU_NR_PARAMS] = ARM_SPE_CPU_PRIV_MAX - ARM_SPE_CPU_MIDR;
+ data[ARM_SPE_CPU_MIDR] = val;
+
+ /* Find the associate Arm SPE PMU for the CPU */
+ if (perf_cpu_map__has(sper->arm_spe_pmu->cpus, cpu))
+ pmu = sper->arm_spe_pmu;
+
+ if (!pmu) {
+ /* No Arm SPE PMU is found */
+ data[ARM_SPE_CPU_PMU_TYPE] = ULLONG_MAX;
+ data[ARM_SPE_CAP_MIN_IVAL] = 0;
+ data[ARM_SPE_CAP_EVENT_FILTER] = 0;
+ } else {
+ data[ARM_SPE_CPU_PMU_TYPE] = pmu->type;
+
+ if (perf_pmu__scan_file(pmu, "caps/min_interval", "%lu", &val) != 1)
+ val = 0;
+ data[ARM_SPE_CAP_MIN_IVAL] = val;
+
+ if (perf_pmu__scan_file(pmu, "caps/event_filter", "%lx", &val) != 1)
+ val = 0;
+ data[ARM_SPE_CAP_EVENT_FILTER] = val;
+ }
+
+ free(cpuid);
+ return ARM_SPE_CPU_PRIV_MAX;
+}
+
+static int arm_spe_info_fill(struct auxtrace_record *itr,
+ struct perf_session *session,
+ struct perf_record_auxtrace_info *auxtrace_info,
+ size_t priv_size)
+{
+ int i, ret;
+ size_t offset;
+ struct arm_spe_recording *sper =
+ container_of(itr, struct arm_spe_recording, itr);
+ struct perf_pmu *arm_spe_pmu = sper->arm_spe_pmu;
+ struct perf_cpu_map *cpu_map;
+ struct perf_cpu cpu;
+ __u64 *data;
+
+ if (priv_size != arm_spe_info_priv_size(itr, session->evlist))
+ return -EINVAL;
+
+ if (!session->evlist->core.nr_mmaps)
+ return -EINVAL;
+
+ cpu_map = arm_spe_find_cpus(session->evlist);
+ if (!cpu_map)
+ return -EINVAL;
+
+ auxtrace_info->type = PERF_AUXTRACE_ARM_SPE;
+ auxtrace_info->priv[ARM_SPE_HEADER_VERSION] = ARM_SPE_HEADER_CURRENT_VERSION;
+ auxtrace_info->priv[ARM_SPE_HEADER_SIZE] =
+ ARM_SPE_AUXTRACE_PRIV_MAX - ARM_SPE_HEADER_VERSION;
+ auxtrace_info->priv[ARM_SPE_PMU_TYPE_V2] = arm_spe_pmu->type;
+ auxtrace_info->priv[ARM_SPE_CPUS_NUM] = perf_cpu_map__nr(cpu_map);
+
+ offset = ARM_SPE_AUXTRACE_PRIV_MAX;
+ perf_cpu_map__for_each_cpu(cpu, i, cpu_map) {
+ assert(offset < priv_size);
+ data = &auxtrace_info->priv[offset];
+ ret = arm_spe_save_cpu_header(itr, cpu, data);
+ if (ret < 0)
+ goto out;
+ offset += ret;
+ }
+
+ ret = 0;
+out:
+ perf_cpu_map__put(cpu_map);
+ return ret;
+}
+
+static void
+arm_spe_snapshot_resolve_auxtrace_defaults(struct record_opts *opts,
+ bool privileged)
+{
+ /*
+ * The default snapshot size is the auxtrace mmap size. If neither auxtrace mmap size nor
+ * snapshot size is specified, then the default is 4MiB for privileged users, 128KiB for
+ * unprivileged users.
+ *
+ * The default auxtrace mmap size is 4MiB/page_size for privileged users, 128KiB for
+ * unprivileged users. If an unprivileged user does not specify mmap pages, the mmap pages
+ * will be reduced from the default 512KiB/page_size to 256KiB/page_size, otherwise the
+ * user is likely to get an error as they exceed their mlock limmit.
+ */
+
+ /*
+ * No size were given to '-S' or '-m,', so go with the default
+ */
+ if (!opts->auxtrace_snapshot_size && !opts->auxtrace_mmap_pages) {
+ if (privileged) {
+ opts->auxtrace_mmap_pages = MiB(4) / page_size;
+ } else {
+ opts->auxtrace_mmap_pages = KiB(128) / page_size;
+ if (opts->mmap_pages == UINT_MAX)
+ opts->mmap_pages = KiB(256) / page_size;
+ }
+ } else if (!opts->auxtrace_mmap_pages && !privileged && opts->mmap_pages == UINT_MAX) {
+ opts->mmap_pages = KiB(256) / page_size;
+ }
+
+ /*
+ * '-m,xyz' was specified but no snapshot size, so make the snapshot size as big as the
+ * auxtrace mmap area.
+ */
+ if (!opts->auxtrace_snapshot_size)
+ opts->auxtrace_snapshot_size = opts->auxtrace_mmap_pages * (size_t)page_size;
+
+ /*
+ * '-Sxyz' was specified but no auxtrace mmap area, so make the auxtrace mmap area big
+ * enough to fit the requested snapshot size.
+ */
+ if (!opts->auxtrace_mmap_pages) {
+ size_t sz = opts->auxtrace_snapshot_size;
+
+ sz = round_up(sz, page_size) / page_size;
+ opts->auxtrace_mmap_pages = roundup_pow_of_two(sz);
+ }
+}
+
+static __u64 arm_spe_pmu__sample_period(const struct perf_pmu *arm_spe_pmu)
+{
+ static __u64 sample_period;
+
+ if (sample_period)
+ return sample_period;
+
+ /*
+ * If kernel driver doesn't advertise a minimum,
+ * use max allowable by PMSIDR_EL1.INTERVAL
+ */
+ if (perf_pmu__scan_file(arm_spe_pmu, "caps/min_interval", "%llu",
+ &sample_period) != 1) {
+ pr_debug("arm_spe driver doesn't advertise a min. interval. Using 4096\n");
+ sample_period = 4096;
+ }
+ return sample_period;
+}
+
+static void arm_spe_setup_evsel(struct evsel *evsel, struct perf_cpu_map *cpus)
+{
+ u64 bit;
+
+ evsel->core.attr.freq = 0;
+ evsel->core.attr.sample_period = arm_spe_pmu__sample_period(evsel->pmu);
+ evsel->needs_auxtrace_mmap = true;
+
+ /*
+ * To obtain the auxtrace buffer file descriptor, the auxtrace event
+ * must come first.
+ */
+ evlist__to_front(evsel->evlist, evsel);
+
+ /*
+ * In the case of per-cpu mmaps, sample CPU for AUX event;
+ * also enable the timestamp tracing for samples correlation.
+ */
+ if (!perf_cpu_map__is_any_cpu_or_is_empty(cpus)) {
+ evsel__set_sample_bit(evsel, CPU);
+ evsel__set_config_if_unset(evsel->pmu, evsel, "ts_enable", 1);
+ }
+
+ /*
+ * Set this only so that perf report knows that SPE generates memory info. It has no effect
+ * on the opening of the event or the SPE data produced.
+ */
+ evsel__set_sample_bit(evsel, DATA_SRC);
+
+ /*
+ * The PHYS_ADDR flag does not affect the driver behaviour, it is used to
+ * inform that the resulting output's SPE samples contain physical addresses
+ * where applicable.
+ */
+ bit = perf_pmu__format_bits(evsel->pmu, "pa_enable");
+ if (evsel->core.attr.config & bit)
+ evsel__set_sample_bit(evsel, PHYS_ADDR);
+}
+
+static int arm_spe_setup_aux_buffer(struct record_opts *opts)
+{
+ bool privileged = perf_event_paranoid_check(-1);
+
+ /*
+ * we are in snapshot mode.
+ */
+ if (opts->auxtrace_snapshot_mode) {
+ /*
+ * Command arguments '-Sxyz' and/or '-m,xyz' are missing, so fill those in with
+ * default values.
+ */
+ if (!opts->auxtrace_snapshot_size || !opts->auxtrace_mmap_pages)
+ arm_spe_snapshot_resolve_auxtrace_defaults(opts, privileged);
+
+ /*
+ * Snapshot size can't be bigger than the auxtrace area.
+ */
+ if (opts->auxtrace_snapshot_size > opts->auxtrace_mmap_pages * (size_t)page_size) {
+ pr_err("Snapshot size %zu must not be greater than AUX area tracing mmap size %zu\n",
+ opts->auxtrace_snapshot_size,
+ opts->auxtrace_mmap_pages * (size_t)page_size);
+ return -EINVAL;
+ }
+
+ /*
+ * Something went wrong somewhere - this shouldn't happen.
+ */
+ if (!opts->auxtrace_snapshot_size || !opts->auxtrace_mmap_pages) {
+ pr_err("Failed to calculate default snapshot size and/or AUX area tracing mmap pages\n");
+ return -EINVAL;
+ }
+
+ pr_debug2("%sx snapshot size: %zu\n", ARM_SPE_PMU_NAME,
+ opts->auxtrace_snapshot_size);
+ }
+
+ /* We are in full trace mode but '-m,xyz' wasn't specified */
+ if (!opts->auxtrace_mmap_pages) {
+ if (privileged) {
+ opts->auxtrace_mmap_pages = MiB(4) / page_size;
+ } else {
+ opts->auxtrace_mmap_pages = KiB(128) / page_size;
+ if (opts->mmap_pages == UINT_MAX)
+ opts->mmap_pages = KiB(256) / page_size;
+ }
+ }
+
+ /* Validate auxtrace_mmap_pages */
+ if (opts->auxtrace_mmap_pages) {
+ size_t sz = opts->auxtrace_mmap_pages * (size_t)page_size;
+ size_t min_sz = KiB(8);
+
+ if (sz < min_sz || !is_power_of_2(sz)) {
+ pr_err("Invalid mmap size for ARM SPE: must be at least %zuKiB and a power of 2\n",
+ min_sz / 1024);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int arm_spe_setup_tracking_event(struct evlist *evlist,
+ struct record_opts *opts)
+{
+ int err;
+ struct evsel *tracking_evsel;
+ struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
+
+ /* Add dummy event to keep tracking */
+ err = parse_event(evlist, "dummy:u");
+ if (err)
+ return err;
+
+ tracking_evsel = evlist__last(evlist);
+ evlist__set_tracking_event(evlist, tracking_evsel);
+
+ tracking_evsel->core.attr.freq = 0;
+ tracking_evsel->core.attr.sample_period = 1;
+
+ /* In per-cpu case, always need the time of mmap events etc */
+ if (!perf_cpu_map__is_any_cpu_or_is_empty(cpus)) {
+ evsel__set_sample_bit(tracking_evsel, TIME);
+ evsel__set_sample_bit(tracking_evsel, CPU);
+
+ /* also track task context switch */
+ if (!record_opts__no_switch_events(opts))
+ tracking_evsel->core.attr.context_switch = 1;
+ }
+
+ return 0;
+}
+
+static int arm_spe_recording_options(struct auxtrace_record *itr,
+ struct evlist *evlist,
+ struct record_opts *opts)
+{
+ struct arm_spe_recording *sper =
+ container_of(itr, struct arm_spe_recording, itr);
+ struct evsel *evsel, *tmp;
+ struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
+ bool discard = false;
+ int err;
+
+ sper->evlist = evlist;
+
+ evlist__for_each_entry(evlist, evsel) {
+ if (evsel__is_aux_event(evsel)) {
+ if (!strstarts(evsel->pmu->name, ARM_SPE_PMU_NAME)) {
+ pr_err("Found unexpected auxtrace event: %s\n",
+ evsel->pmu->name);
+ return -EINVAL;
+ }
+ opts->full_auxtrace = true;
+
+ if (opts->user_freq != UINT_MAX ||
+ arm_spe_is_set_freq(evsel)) {
+ pr_err("Arm SPE: Frequency is not supported. "
+ "Set period with -c option or PMU parameter (-e %s/period=NUM/).\n",
+ evsel->pmu->name);
+ return -EINVAL;
+ }
+ }
+ }
+
+ if (!opts->full_auxtrace)
+ return 0;
+
+ evlist__for_each_entry_safe(evlist, tmp, evsel) {
+ if (evsel__is_aux_event(evsel)) {
+ arm_spe_setup_evsel(evsel, cpus);
+ if (evsel->core.attr.config &
+ perf_pmu__format_bits(evsel->pmu, "discard"))
+ discard = true;
+ }
+ }
+
+ if (discard)
+ return 0;
+
+ err = arm_spe_setup_aux_buffer(opts);
+ if (err)
+ return err;
+
+ return arm_spe_setup_tracking_event(evlist, opts);
+}
+
+static int arm_spe_parse_snapshot_options(struct auxtrace_record *itr __maybe_unused,
+ struct record_opts *opts,
+ const char *str)
+{
+ unsigned long long snapshot_size = 0;
+ char *endptr;
+
+ if (str) {
+ snapshot_size = strtoull(str, &endptr, 0);
+ if (*endptr || snapshot_size > SIZE_MAX)
+ return -1;
+ }
+
+ opts->auxtrace_snapshot_mode = true;
+ opts->auxtrace_snapshot_size = snapshot_size;
+
+ return 0;
+}
+
+static int arm_spe_snapshot_start(struct auxtrace_record *itr)
+{
+ struct arm_spe_recording *ptr =
+ container_of(itr, struct arm_spe_recording, itr);
+ struct evsel *evsel;
+ int ret = -EINVAL;
+
+ evlist__for_each_entry(ptr->evlist, evsel) {
+ if (evsel__is_aux_event(evsel)) {
+ ret = evsel__disable(evsel);
+ if (ret < 0)
+ return ret;
+ }
+ }
+ return ret;
+}
+
+static int arm_spe_snapshot_finish(struct auxtrace_record *itr)
+{
+ struct arm_spe_recording *ptr =
+ container_of(itr, struct arm_spe_recording, itr);
+ struct evsel *evsel;
+ int ret = -EINVAL;
+
+ evlist__for_each_entry(ptr->evlist, evsel) {
+ if (evsel__is_aux_event(evsel)) {
+ ret = evsel__enable(evsel);
+ if (ret < 0)
+ return ret;
+ }
+ }
+ return ret;
+}
+
+static int arm_spe_alloc_wrapped_array(struct arm_spe_recording *ptr, int idx)
+{
+ bool *wrapped;
+ int cnt = ptr->wrapped_cnt, new_cnt, i;
+
+ /*
+ * No need to allocate, so return early.
+ */
+ if (idx < cnt)
+ return 0;
+
+ /*
+ * Make ptr->wrapped as big as idx.
+ */
+ new_cnt = idx + 1;
+
+ /*
+ * Free'ed in arm_spe_recording_free().
+ */
+ wrapped = reallocarray(ptr->wrapped, new_cnt, sizeof(bool));
+ if (!wrapped)
+ return -ENOMEM;
+
+ /*
+ * init new allocated values.
+ */
+ for (i = cnt; i < new_cnt; i++)
+ wrapped[i] = false;
+
+ ptr->wrapped_cnt = new_cnt;
+ ptr->wrapped = wrapped;
+
+ return 0;
+}
+
+static bool arm_spe_buffer_has_wrapped(unsigned char *buffer,
+ size_t buffer_size, u64 head)
+{
+ u64 i, watermark;
+ u64 *buf = (u64 *)buffer;
+ size_t buf_size = buffer_size;
+
+ /*
+ * Defensively handle the case where head might be continually increasing - if its value is
+ * equal or greater than the size of the ring buffer, then we can safely determine it has
+ * wrapped around. Otherwise, continue to detect if head might have wrapped.
+ */
+ if (head >= buffer_size)
+ return true;
+
+ /*
+ * We want to look the very last 512 byte (chosen arbitrarily) in the ring buffer.
+ */
+ watermark = buf_size - 512;
+
+ /*
+ * The value of head is somewhere within the size of the ring buffer. This can be that there
+ * hasn't been enough data to fill the ring buffer yet or the trace time was so long that
+ * head has numerically wrapped around. To find we need to check if we have data at the
+ * very end of the ring buffer. We can reliably do this because mmap'ed pages are zeroed
+ * out and there is a fresh mapping with every new session.
+ */
+
+ /*
+ * head is less than 512 byte from the end of the ring buffer.
+ */
+ if (head > watermark)
+ watermark = head;
+
+ /*
+ * Speed things up by using 64 bit transactions (see "u64 *buf" above)
+ */
+ watermark /= sizeof(u64);
+ buf_size /= sizeof(u64);
+
+ /*
+ * If we find trace data at the end of the ring buffer, head has been there and has
+ * numerically wrapped around at least once.
+ */
+ for (i = watermark; i < buf_size; i++)
+ if (buf[i])
+ return true;
+
+ return false;
+}
+
+static int arm_spe_find_snapshot(struct auxtrace_record *itr, int idx,
+ struct auxtrace_mmap *mm, unsigned char *data,
+ u64 *head, u64 *old)
+{
+ int err;
+ bool wrapped;
+ struct arm_spe_recording *ptr =
+ container_of(itr, struct arm_spe_recording, itr);
+
+ /*
+ * Allocate memory to keep track of wrapping if this is the first
+ * time we deal with this *mm.
+ */
+ if (idx >= ptr->wrapped_cnt) {
+ err = arm_spe_alloc_wrapped_array(ptr, idx);
+ if (err)
+ return err;
+ }
+
+ /*
+ * Check to see if *head has wrapped around. If it hasn't only the
+ * amount of data between *head and *old is snapshot'ed to avoid
+ * bloating the perf.data file with zeros. But as soon as *head has
+ * wrapped around the entire size of the AUX ring buffer it taken.
+ */
+ wrapped = ptr->wrapped[idx];
+ if (!wrapped && arm_spe_buffer_has_wrapped(data, mm->len, *head)) {
+ wrapped = true;
+ ptr->wrapped[idx] = true;
+ }
+
+ pr_debug3("%s: mmap index %d old head %zu new head %zu size %zu\n",
+ __func__, idx, (size_t)*old, (size_t)*head, mm->len);
+
+ /*
+ * No wrap has occurred, we can just use *head and *old.
+ */
+ if (!wrapped)
+ return 0;
+
+ /*
+ * *head has wrapped around - adjust *head and *old to pickup the
+ * entire content of the AUX buffer.
+ */
+ if (*head >= mm->len) {
+ *old = *head - mm->len;
+ } else {
+ *head += mm->len;
+ *old = *head - mm->len;
+ }
+
+ return 0;
+}
+
+static u64 arm_spe_reference(struct auxtrace_record *itr __maybe_unused)
+{
+ struct timespec ts;
+
+ clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
+
+ return ts.tv_sec ^ ts.tv_nsec;
+}
+
+static void arm_spe_recording_free(struct auxtrace_record *itr)
+{
+ struct arm_spe_recording *sper =
+ container_of(itr, struct arm_spe_recording, itr);
+
+ zfree(&sper->wrapped);
+ free(sper);
+}
+
+struct auxtrace_record *arm_spe_recording_init(int *err,
+ struct perf_pmu *arm_spe_pmu)
+{
+ struct arm_spe_recording *sper;
+
+ if (!arm_spe_pmu) {
+ *err = -ENODEV;
+ return NULL;
+ }
+
+ sper = zalloc(sizeof(struct arm_spe_recording));
+ if (!sper) {
+ *err = -ENOMEM;
+ return NULL;
+ }
+
+ sper->arm_spe_pmu = arm_spe_pmu;
+ sper->itr.snapshot_start = arm_spe_snapshot_start;
+ sper->itr.snapshot_finish = arm_spe_snapshot_finish;
+ sper->itr.find_snapshot = arm_spe_find_snapshot;
+ sper->itr.parse_snapshot_options = arm_spe_parse_snapshot_options;
+ sper->itr.recording_options = arm_spe_recording_options;
+ sper->itr.info_priv_size = arm_spe_info_priv_size;
+ sper->itr.info_fill = arm_spe_info_fill;
+ sper->itr.free = arm_spe_recording_free;
+ sper->itr.reference = arm_spe_reference;
+ sper->itr.read_finish = auxtrace_record__read_finish;
+ sper->itr.alignment = 0;
+
+ *err = 0;
+ return &sper->itr;
+}
+
+void
+arm_spe_pmu_default_config(const struct perf_pmu *arm_spe_pmu, struct perf_event_attr *attr)
+{
+ attr->sample_period = arm_spe_pmu__sample_period(arm_spe_pmu);
+}
diff --git a/tools/perf/arch/arm64/util/arm64_exception_types.h b/tools/perf/arch/arm64/util/arm64_exception_types.h
new file mode 100644
index 000000000000..bf827f19ace0
--- /dev/null
+++ b/tools/perf/arch/arm64/util/arm64_exception_types.h
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef ARCH_PERF_ARM64_EXCEPTION_TYPES_H
+#define ARCH_PERF_ARM64_EXCEPTION_TYPES_H
+
+/* Per asm/virt.h */
+#define HVC_STUB_ERR 0xbadca11
+
+/* Per asm/kvm_asm.h */
+#define ARM_EXCEPTION_IRQ 0
+#define ARM_EXCEPTION_EL1_SERROR 1
+#define ARM_EXCEPTION_TRAP 2
+#define ARM_EXCEPTION_IL 3
+/* The hyp-stub will return this for any kvm_call_hyp() call */
+#define ARM_EXCEPTION_HYP_GONE HVC_STUB_ERR
+
+#define kvm_arm_exception_type \
+ {ARM_EXCEPTION_IRQ, "IRQ" }, \
+ {ARM_EXCEPTION_EL1_SERROR, "SERROR" }, \
+ {ARM_EXCEPTION_TRAP, "TRAP" }, \
+ {ARM_EXCEPTION_IL, "ILLEGAL" }, \
+ {ARM_EXCEPTION_HYP_GONE, "HYP_GONE" }
+
+/* Per asm/esr.h */
+#define ESR_ELx_EC_UNKNOWN (0x00)
+#define ESR_ELx_EC_WFx (0x01)
+/* Unallocated EC: 0x02 */
+#define ESR_ELx_EC_CP15_32 (0x03)
+#define ESR_ELx_EC_CP15_64 (0x04)
+#define ESR_ELx_EC_CP14_MR (0x05)
+#define ESR_ELx_EC_CP14_LS (0x06)
+#define ESR_ELx_EC_FP_ASIMD (0x07)
+#define ESR_ELx_EC_CP10_ID (0x08) /* EL2 only */
+#define ESR_ELx_EC_PAC (0x09) /* EL2 and above */
+#define ESR_ELx_EC_OTHER (0x0A)
+/* Unallocated EC: 0x0B */
+#define ESR_ELx_EC_CP14_64 (0x0C)
+#define ESR_ELx_EC_BTI (0x0D)
+#define ESR_ELx_EC_ILL (0x0E)
+/* Unallocated EC: 0x0F - 0x10 */
+#define ESR_ELx_EC_SVC32 (0x11)
+#define ESR_ELx_EC_HVC32 (0x12) /* EL2 only */
+#define ESR_ELx_EC_SMC32 (0x13) /* EL2 and above */
+/* Unallocated EC: 0x14 */
+#define ESR_ELx_EC_SVC64 (0x15)
+#define ESR_ELx_EC_HVC64 (0x16) /* EL2 and above */
+#define ESR_ELx_EC_SMC64 (0x17) /* EL2 and above */
+#define ESR_ELx_EC_SYS64 (0x18)
+#define ESR_ELx_EC_SVE (0x19)
+#define ESR_ELx_EC_ERET (0x1a) /* EL2 only */
+/* Unallocated EC: 0x1B */
+#define ESR_ELx_EC_FPAC (0x1C) /* EL1 and above */
+#define ESR_ELx_EC_SME (0x1D)
+/* Unallocated EC: 0x1E */
+#define ESR_ELx_EC_IMP_DEF (0x1f) /* EL3 only */
+#define ESR_ELx_EC_IABT_LOW (0x20)
+#define ESR_ELx_EC_IABT_CUR (0x21)
+#define ESR_ELx_EC_PC_ALIGN (0x22)
+/* Unallocated EC: 0x23 */
+#define ESR_ELx_EC_DABT_LOW (0x24)
+#define ESR_ELx_EC_DABT_CUR (0x25)
+#define ESR_ELx_EC_SP_ALIGN (0x26)
+#define ESR_ELx_EC_MOPS (0x27)
+#define ESR_ELx_EC_FP_EXC32 (0x28)
+/* Unallocated EC: 0x29 - 0x2B */
+#define ESR_ELx_EC_FP_EXC64 (0x2C)
+#define ESR_ELx_EC_GCS (0x2D)
+/* Unallocated EC: 0x2E */
+#define ESR_ELx_EC_SERROR (0x2F)
+#define ESR_ELx_EC_BREAKPT_LOW (0x30)
+#define ESR_ELx_EC_BREAKPT_CUR (0x31)
+#define ESR_ELx_EC_SOFTSTP_LOW (0x32)
+#define ESR_ELx_EC_SOFTSTP_CUR (0x33)
+#define ESR_ELx_EC_WATCHPT_LOW (0x34)
+#define ESR_ELx_EC_WATCHPT_CUR (0x35)
+/* Unallocated EC: 0x36 - 0x37 */
+#define ESR_ELx_EC_BKPT32 (0x38)
+/* Unallocated EC: 0x39 */
+#define ESR_ELx_EC_VECTOR32 (0x3A) /* EL2 only */
+/* Unallocated EC: 0x3B */
+#define ESR_ELx_EC_BRK64 (0x3C)
+/* Unallocated EC: 0x3D - 0x3F */
+#define ESR_ELx_EC_MAX (0x3F)
+
+#define ECN(x) { ESR_ELx_EC_##x, #x }
+
+#define kvm_arm_exception_class \
+ ECN(UNKNOWN), ECN(WFx), ECN(CP15_32), ECN(CP15_64), ECN(CP14_MR), \
+ ECN(CP14_LS), ECN(FP_ASIMD), ECN(CP10_ID), ECN(PAC), ECN(CP14_64), \
+ ECN(SVC64), ECN(HVC64), ECN(SMC64), ECN(SYS64), ECN(SVE), \
+ ECN(IMP_DEF), ECN(IABT_LOW), ECN(IABT_CUR), \
+ ECN(PC_ALIGN), ECN(DABT_LOW), ECN(DABT_CUR), \
+ ECN(SP_ALIGN), ECN(FP_EXC32), ECN(FP_EXC64), ECN(SERROR), \
+ ECN(BREAKPT_LOW), ECN(BREAKPT_CUR), ECN(SOFTSTP_LOW), \
+ ECN(SOFTSTP_CUR), ECN(WATCHPT_LOW), ECN(WATCHPT_CUR), \
+ ECN(BKPT32), ECN(VECTOR32), ECN(BRK64)
+
+#endif /* ARCH_PERF_ARM64_EXCEPTION_TYPES_H */
diff --git a/tools/perf/arch/arm64/util/dwarf-regs.c b/tools/perf/arch/arm64/util/dwarf-regs.c
deleted file mode 100644
index 068b6189157b..000000000000
--- a/tools/perf/arch/arm64/util/dwarf-regs.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Mapping of DWARF debug register numbers into register names.
- *
- * Copyright (C) 2010 Will Deacon, ARM Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <stddef.h>
-#include <dwarf-regs.h>
-#include <linux/ptrace.h> /* for struct user_pt_regs */
-#include "util.h"
-
-struct pt_regs_dwarfnum {
- const char *name;
- unsigned int dwarfnum;
-};
-
-#define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num}
-#define GPR_DWARFNUM_NAME(num) \
- {.name = STR(%x##num), .dwarfnum = num}
-#define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0}
-#define DWARFNUM2OFFSET(index) \
- (index * sizeof((struct user_pt_regs *)0)->regs[0])
-
-/*
- * Reference:
- * http://infocenter.arm.com/help/topic/com.arm.doc.ihi0057b/IHI0057B_aadwarf64.pdf
- */
-static const struct pt_regs_dwarfnum regdwarfnum_table[] = {
- GPR_DWARFNUM_NAME(0),
- GPR_DWARFNUM_NAME(1),
- GPR_DWARFNUM_NAME(2),
- GPR_DWARFNUM_NAME(3),
- GPR_DWARFNUM_NAME(4),
- GPR_DWARFNUM_NAME(5),
- GPR_DWARFNUM_NAME(6),
- GPR_DWARFNUM_NAME(7),
- GPR_DWARFNUM_NAME(8),
- GPR_DWARFNUM_NAME(9),
- GPR_DWARFNUM_NAME(10),
- GPR_DWARFNUM_NAME(11),
- GPR_DWARFNUM_NAME(12),
- GPR_DWARFNUM_NAME(13),
- GPR_DWARFNUM_NAME(14),
- GPR_DWARFNUM_NAME(15),
- GPR_DWARFNUM_NAME(16),
- GPR_DWARFNUM_NAME(17),
- GPR_DWARFNUM_NAME(18),
- GPR_DWARFNUM_NAME(19),
- GPR_DWARFNUM_NAME(20),
- GPR_DWARFNUM_NAME(21),
- GPR_DWARFNUM_NAME(22),
- GPR_DWARFNUM_NAME(23),
- GPR_DWARFNUM_NAME(24),
- GPR_DWARFNUM_NAME(25),
- GPR_DWARFNUM_NAME(26),
- GPR_DWARFNUM_NAME(27),
- GPR_DWARFNUM_NAME(28),
- GPR_DWARFNUM_NAME(29),
- REG_DWARFNUM_NAME("%lr", 30),
- REG_DWARFNUM_NAME("%sp", 31),
- REG_DWARFNUM_END,
-};
-
-/**
- * get_arch_regstr() - lookup register name from it's DWARF register number
- * @n: the DWARF register number
- *
- * get_arch_regstr() returns the name of the register in struct
- * regdwarfnum_table from it's DWARF register number. If the register is not
- * found in the table, this returns NULL;
- */
-const char *get_arch_regstr(unsigned int n)
-{
- const struct pt_regs_dwarfnum *roff;
- for (roff = regdwarfnum_table; roff->name != NULL; roff++)
- if (roff->dwarfnum == n)
- return roff->name;
- return NULL;
-}
-
-int regs_query_register_offset(const char *name)
-{
- const struct pt_regs_dwarfnum *roff;
-
- for (roff = regdwarfnum_table; roff->name != NULL; roff++)
- if (!strcmp(roff->name, name))
- return DWARFNUM2OFFSET(roff->dwarfnum);
- return -EINVAL;
-}
diff --git a/tools/perf/arch/arm64/util/header.c b/tools/perf/arch/arm64/util/header.c
new file mode 100644
index 000000000000..f445a2dd6293
--- /dev/null
+++ b/tools/perf/arch/arm64/util/header.c
@@ -0,0 +1,126 @@
+#include <linux/kernel.h>
+#include <linux/bits.h>
+#include <linux/bitfield.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <perf/cpumap.h>
+#include <api/fs/fs.h>
+#include <errno.h>
+#include "debug.h"
+#include "header.h"
+
+#define MIDR "/regs/identification/midr_el1"
+#define MIDR_SIZE 19
+#define MIDR_REVISION_MASK GENMASK(3, 0)
+#define MIDR_VARIANT_MASK GENMASK(23, 20)
+
+static int _get_cpuid(char *buf, size_t sz, struct perf_cpu cpu)
+{
+ char path[PATH_MAX];
+ FILE *file;
+ const char *sysfs = sysfs__mountpoint();
+
+ assert(cpu.cpu != -1);
+ if (!sysfs || sz < MIDR_SIZE)
+ return EINVAL;
+
+ scnprintf(path, PATH_MAX, "%s/devices/system/cpu/cpu%d" MIDR, sysfs, cpu.cpu);
+
+ file = fopen(path, "r");
+ if (!file) {
+ pr_debug("fopen failed for file %s\n", path);
+ return EINVAL;
+ }
+
+ if (!fgets(buf, MIDR_SIZE, file)) {
+ pr_debug("Failed to read file %s\n", path);
+ fclose(file);
+ return EINVAL;
+ }
+ fclose(file);
+ return 0;
+}
+
+int get_cpuid(char *buf, size_t sz, struct perf_cpu cpu)
+{
+ struct perf_cpu_map *cpus;
+ int idx;
+
+ if (cpu.cpu != -1)
+ return _get_cpuid(buf, sz, cpu);
+
+ cpus = perf_cpu_map__new_online_cpus();
+ if (!cpus)
+ return EINVAL;
+
+ perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
+ int ret = _get_cpuid(buf, sz, cpu);
+
+ if (ret == 0)
+ return 0;
+ }
+ return EINVAL;
+}
+
+char *get_cpuid_str(struct perf_cpu cpu)
+{
+ char *buf = malloc(MIDR_SIZE);
+ int res;
+
+ if (!buf)
+ return NULL;
+
+ /* read midr from list of cpus mapped to this pmu */
+ res = get_cpuid(buf, MIDR_SIZE, cpu);
+ if (res) {
+ pr_err("failed to get cpuid string for CPU %d\n", cpu.cpu);
+ free(buf);
+ buf = NULL;
+ }
+
+ return buf;
+}
+
+/*
+ * Return 0 if idstr is a higher or equal to version of the same part as
+ * mapcpuid. Therefore, if mapcpuid has 0 for revision and variant then any
+ * version of idstr will match as long as it's the same CPU type.
+ *
+ * Return 1 if the CPU type is different or the version of idstr is lower.
+ */
+int strcmp_cpuid_str(const char *mapcpuid, const char *idstr)
+{
+ u64 map_id = strtoull(mapcpuid, NULL, 16);
+ char map_id_variant = FIELD_GET(MIDR_VARIANT_MASK, map_id);
+ char map_id_revision = FIELD_GET(MIDR_REVISION_MASK, map_id);
+ u64 id = strtoull(idstr, NULL, 16);
+ char id_variant = FIELD_GET(MIDR_VARIANT_MASK, id);
+ char id_revision = FIELD_GET(MIDR_REVISION_MASK, id);
+ u64 id_fields = ~(MIDR_VARIANT_MASK | MIDR_REVISION_MASK);
+
+ /* Compare without version first */
+ if ((map_id & id_fields) != (id & id_fields))
+ return 1;
+
+ /*
+ * ID matches, now compare version.
+ *
+ * Arm revisions (like r0p0) are compared here like two digit semver
+ * values eg. 1.3 < 2.0 < 2.1 < 2.2.
+ *
+ * r = high value = 'Variant' field in MIDR
+ * p = low value = 'Revision' field in MIDR
+ *
+ */
+ if (id_variant > map_id_variant)
+ return 0;
+
+ if (id_variant == map_id_variant && id_revision >= map_id_revision)
+ return 0;
+
+ /*
+ * variant is less than mapfile variant or variants are the same but
+ * the revision doesn't match. Return no match.
+ */
+ return 1;
+}
diff --git a/tools/perf/arch/arm64/util/hisi-ptt.c b/tools/perf/arch/arm64/util/hisi-ptt.c
new file mode 100644
index 000000000000..fe457fd58c9e
--- /dev/null
+++ b/tools/perf/arch/arm64/util/hisi-ptt.c
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * HiSilicon PCIe Trace and Tuning (PTT) support
+ * Copyright (c) 2022 HiSilicon Technologies Co., Ltd.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/bitops.h>
+#include <linux/log2.h>
+#include <linux/zalloc.h>
+#include <errno.h>
+#include <time.h>
+
+#include <internal/lib.h> // page_size
+#include "../../../util/auxtrace.h"
+#include "../../../util/cpumap.h"
+#include "../../../util/debug.h"
+#include "../../../util/event.h"
+#include "../../../util/evlist.h"
+#include "../../../util/evsel.h"
+#include "../../../util/hisi-ptt.h"
+#include "../../../util/pmu.h"
+#include "../../../util/record.h"
+#include "../../../util/session.h"
+#include "../../../util/tsc.h"
+
+#define KiB(x) ((x) * 1024)
+#define MiB(x) ((x) * 1024 * 1024)
+
+struct hisi_ptt_recording {
+ struct auxtrace_record itr;
+ struct perf_pmu *hisi_ptt_pmu;
+ struct evlist *evlist;
+};
+
+static size_t
+hisi_ptt_info_priv_size(struct auxtrace_record *itr __maybe_unused,
+ struct evlist *evlist __maybe_unused)
+{
+ return HISI_PTT_AUXTRACE_PRIV_SIZE;
+}
+
+static int hisi_ptt_info_fill(struct auxtrace_record *itr,
+ struct perf_session *session,
+ struct perf_record_auxtrace_info *auxtrace_info,
+ size_t priv_size)
+{
+ struct hisi_ptt_recording *pttr =
+ container_of(itr, struct hisi_ptt_recording, itr);
+ struct perf_pmu *hisi_ptt_pmu = pttr->hisi_ptt_pmu;
+
+ if (priv_size != HISI_PTT_AUXTRACE_PRIV_SIZE)
+ return -EINVAL;
+
+ if (!session->evlist->core.nr_mmaps)
+ return -EINVAL;
+
+ auxtrace_info->type = PERF_AUXTRACE_HISI_PTT;
+ auxtrace_info->priv[0] = hisi_ptt_pmu->type;
+
+ return 0;
+}
+
+static int hisi_ptt_set_auxtrace_mmap_page(struct record_opts *opts)
+{
+ bool privileged = perf_event_paranoid_check(-1);
+
+ if (!opts->full_auxtrace)
+ return 0;
+
+ if (opts->full_auxtrace && !opts->auxtrace_mmap_pages) {
+ if (privileged) {
+ opts->auxtrace_mmap_pages = MiB(16) / page_size;
+ } else {
+ opts->auxtrace_mmap_pages = KiB(128) / page_size;
+ if (opts->mmap_pages == UINT_MAX)
+ opts->mmap_pages = KiB(256) / page_size;
+ }
+ }
+
+ /* Validate auxtrace_mmap_pages */
+ if (opts->auxtrace_mmap_pages) {
+ size_t sz = opts->auxtrace_mmap_pages * (size_t)page_size;
+ size_t min_sz = KiB(8);
+
+ if (sz < min_sz || !is_power_of_2(sz)) {
+ pr_err("Invalid mmap size for HISI PTT: must be at least %zuKiB and a power of 2\n",
+ min_sz / 1024);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int hisi_ptt_recording_options(struct auxtrace_record *itr,
+ struct evlist *evlist,
+ struct record_opts *opts)
+{
+ struct hisi_ptt_recording *pttr =
+ container_of(itr, struct hisi_ptt_recording, itr);
+ struct perf_pmu *hisi_ptt_pmu = pttr->hisi_ptt_pmu;
+ struct evsel *evsel, *hisi_ptt_evsel = NULL;
+ struct evsel *tracking_evsel;
+ int err;
+
+ pttr->evlist = evlist;
+ evlist__for_each_entry(evlist, evsel) {
+ if (evsel->core.attr.type == hisi_ptt_pmu->type) {
+ if (hisi_ptt_evsel) {
+ pr_err("There may be only one " HISI_PTT_PMU_NAME "x event\n");
+ return -EINVAL;
+ }
+ evsel->core.attr.freq = 0;
+ evsel->core.attr.sample_period = 1;
+ evsel->needs_auxtrace_mmap = true;
+ hisi_ptt_evsel = evsel;
+ opts->full_auxtrace = true;
+ }
+ }
+
+ err = hisi_ptt_set_auxtrace_mmap_page(opts);
+ if (err)
+ return err;
+ /*
+ * To obtain the auxtrace buffer file descriptor, the auxtrace event
+ * must come first.
+ */
+ evlist__to_front(evlist, hisi_ptt_evsel);
+ evsel__set_sample_bit(hisi_ptt_evsel, TIME);
+
+ /* Add dummy event to keep tracking */
+ err = parse_event(evlist, "dummy:u");
+ if (err)
+ return err;
+
+ tracking_evsel = evlist__last(evlist);
+ evlist__set_tracking_event(evlist, tracking_evsel);
+
+ tracking_evsel->core.attr.freq = 0;
+ tracking_evsel->core.attr.sample_period = 1;
+ evsel__set_sample_bit(tracking_evsel, TIME);
+
+ return 0;
+}
+
+static u64 hisi_ptt_reference(struct auxtrace_record *itr __maybe_unused)
+{
+ return rdtsc();
+}
+
+static void hisi_ptt_recording_free(struct auxtrace_record *itr)
+{
+ struct hisi_ptt_recording *pttr =
+ container_of(itr, struct hisi_ptt_recording, itr);
+
+ free(pttr);
+}
+
+struct auxtrace_record *hisi_ptt_recording_init(int *err,
+ struct perf_pmu *hisi_ptt_pmu)
+{
+ struct hisi_ptt_recording *pttr;
+
+ if (!hisi_ptt_pmu) {
+ *err = -ENODEV;
+ return NULL;
+ }
+
+ pttr = zalloc(sizeof(*pttr));
+ if (!pttr) {
+ *err = -ENOMEM;
+ return NULL;
+ }
+
+ pttr->hisi_ptt_pmu = hisi_ptt_pmu;
+ pttr->itr.recording_options = hisi_ptt_recording_options;
+ pttr->itr.info_priv_size = hisi_ptt_info_priv_size;
+ pttr->itr.info_fill = hisi_ptt_info_fill;
+ pttr->itr.free = hisi_ptt_recording_free;
+ pttr->itr.reference = hisi_ptt_reference;
+ pttr->itr.read_finish = auxtrace_record__read_finish;
+ pttr->itr.alignment = 0;
+
+ *err = 0;
+ return &pttr->itr;
+}
diff --git a/tools/perf/arch/arm64/util/kvm-stat.c b/tools/perf/arch/arm64/util/kvm-stat.c
new file mode 100644
index 000000000000..6611aa21cba9
--- /dev/null
+++ b/tools/perf/arch/arm64/util/kvm-stat.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <memory.h>
+#include "../../../util/evsel.h"
+#include "../../../util/kvm-stat.h"
+#include "arm64_exception_types.h"
+#include "debug.h"
+
+define_exit_reasons_table(arm64_exit_reasons, kvm_arm_exception_type);
+define_exit_reasons_table(arm64_trap_exit_reasons, kvm_arm_exception_class);
+
+const char *kvm_trap_exit_reason = "esr_ec";
+const char *vcpu_id_str = "id";
+const char *kvm_exit_reason = "ret";
+const char *kvm_entry_trace = "kvm:kvm_entry";
+const char *kvm_exit_trace = "kvm:kvm_exit";
+
+const char *kvm_events_tp[] = {
+ "kvm:kvm_entry",
+ "kvm:kvm_exit",
+ NULL,
+};
+
+static void event_get_key(struct evsel *evsel,
+ struct perf_sample *sample,
+ struct event_key *key)
+{
+ key->info = 0;
+ key->key = evsel__intval(evsel, sample, kvm_exit_reason);
+ key->exit_reasons = arm64_exit_reasons;
+
+ /*
+ * TRAP exceptions carry exception class info in esr_ec field
+ * and, hence, we need to use a different exit_reasons table to
+ * properly decode event's est_ec.
+ */
+ if (key->key == ARM_EXCEPTION_TRAP) {
+ key->key = evsel__intval(evsel, sample, kvm_trap_exit_reason);
+ key->exit_reasons = arm64_trap_exit_reasons;
+ }
+}
+
+static bool event_begin(struct evsel *evsel,
+ struct perf_sample *sample __maybe_unused,
+ struct event_key *key __maybe_unused)
+{
+ return evsel__name_is(evsel, kvm_entry_trace);
+}
+
+static bool event_end(struct evsel *evsel,
+ struct perf_sample *sample,
+ struct event_key *key)
+{
+ if (evsel__name_is(evsel, kvm_exit_trace)) {
+ event_get_key(evsel, sample, key);
+ return true;
+ }
+ return false;
+}
+
+static struct kvm_events_ops exit_events = {
+ .is_begin_event = event_begin,
+ .is_end_event = event_end,
+ .decode_key = exit_event_decode_key,
+ .name = "VM-EXIT"
+};
+
+struct kvm_reg_events_ops kvm_reg_events_ops[] = {
+ {
+ .name = "vmexit",
+ .ops = &exit_events,
+ },
+ { NULL, NULL },
+};
+
+const char * const kvm_skip_events[] = {
+ NULL,
+};
+
+int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid __maybe_unused)
+{
+ kvm->exit_reasons_isa = "arm64";
+ return 0;
+}
diff --git a/tools/perf/arch/arm64/util/machine.c b/tools/perf/arch/arm64/util/machine.c
new file mode 100644
index 000000000000..aab1cc2bc283
--- /dev/null
+++ b/tools/perf/arch/arm64/util/machine.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <inttypes.h>
+#include <stdio.h>
+#include <string.h>
+#include "debug.h"
+#include "symbol.h"
+#include "callchain.h"
+#include "perf_regs.h"
+#include "record.h"
+#include "util/perf_regs.h"
+
+void arch__add_leaf_frame_record_opts(struct record_opts *opts)
+{
+ const struct sample_reg *sample_reg_masks = arch__sample_reg_masks();
+
+ opts->sample_user_regs |= sample_reg_masks[PERF_REG_ARM64_LR].mask;
+}
diff --git a/tools/perf/arch/arm64/util/mem-events.c b/tools/perf/arch/arm64/util/mem-events.c
new file mode 100644
index 000000000000..9f8da7937255
--- /dev/null
+++ b/tools/perf/arch/arm64/util/mem-events.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "util/map_symbol.h"
+#include "util/mem-events.h"
+#include "mem-events.h"
+
+#define E(t, n, s, l, a) { .tag = t, .name = n, .event_name = s, .ldlat = l, .aux_event = a }
+
+struct perf_mem_event perf_mem_events_arm[PERF_MEM_EVENTS__MAX] = {
+ E("spe-load", "%s/ts_enable=1,pa_enable=1,load_filter=1,store_filter=0,min_latency=%u/", NULL, true, 0),
+ E("spe-store", "%s/ts_enable=1,pa_enable=1,load_filter=0,store_filter=1/", NULL, false, 0),
+ E("spe-ldst", "%s/ts_enable=1,pa_enable=1,load_filter=1,store_filter=1,min_latency=%u/", NULL, true, 0),
+};
diff --git a/tools/perf/arch/arm64/util/mem-events.h b/tools/perf/arch/arm64/util/mem-events.h
new file mode 100644
index 000000000000..5fc50be4be38
--- /dev/null
+++ b/tools/perf/arch/arm64/util/mem-events.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ARM64_MEM_EVENTS_H
+#define _ARM64_MEM_EVENTS_H
+
+extern struct perf_mem_event perf_mem_events_arm[PERF_MEM_EVENTS__MAX];
+
+#endif /* _ARM64_MEM_EVENTS_H */
diff --git a/tools/perf/arch/arm64/util/perf_regs.c b/tools/perf/arch/arm64/util/perf_regs.c
new file mode 100644
index 000000000000..09308665e28a
--- /dev/null
+++ b/tools/perf/arch/arm64/util/perf_regs.c
@@ -0,0 +1,182 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <regex.h>
+#include <string.h>
+#include <sys/auxv.h>
+#include <linux/kernel.h>
+#include <linux/zalloc.h>
+
+#include "perf_regs.h"
+#include "../../../perf-sys.h"
+#include "../../../util/debug.h"
+#include "../../../util/event.h"
+#include "../../../util/perf_regs.h"
+
+#ifndef HWCAP_SVE
+#define HWCAP_SVE (1 << 22)
+#endif
+
+static const struct sample_reg sample_reg_masks[] = {
+ SMPL_REG(x0, PERF_REG_ARM64_X0),
+ SMPL_REG(x1, PERF_REG_ARM64_X1),
+ SMPL_REG(x2, PERF_REG_ARM64_X2),
+ SMPL_REG(x3, PERF_REG_ARM64_X3),
+ SMPL_REG(x4, PERF_REG_ARM64_X4),
+ SMPL_REG(x5, PERF_REG_ARM64_X5),
+ SMPL_REG(x6, PERF_REG_ARM64_X6),
+ SMPL_REG(x7, PERF_REG_ARM64_X7),
+ SMPL_REG(x8, PERF_REG_ARM64_X8),
+ SMPL_REG(x9, PERF_REG_ARM64_X9),
+ SMPL_REG(x10, PERF_REG_ARM64_X10),
+ SMPL_REG(x11, PERF_REG_ARM64_X11),
+ SMPL_REG(x12, PERF_REG_ARM64_X12),
+ SMPL_REG(x13, PERF_REG_ARM64_X13),
+ SMPL_REG(x14, PERF_REG_ARM64_X14),
+ SMPL_REG(x15, PERF_REG_ARM64_X15),
+ SMPL_REG(x16, PERF_REG_ARM64_X16),
+ SMPL_REG(x17, PERF_REG_ARM64_X17),
+ SMPL_REG(x18, PERF_REG_ARM64_X18),
+ SMPL_REG(x19, PERF_REG_ARM64_X19),
+ SMPL_REG(x20, PERF_REG_ARM64_X20),
+ SMPL_REG(x21, PERF_REG_ARM64_X21),
+ SMPL_REG(x22, PERF_REG_ARM64_X22),
+ SMPL_REG(x23, PERF_REG_ARM64_X23),
+ SMPL_REG(x24, PERF_REG_ARM64_X24),
+ SMPL_REG(x25, PERF_REG_ARM64_X25),
+ SMPL_REG(x26, PERF_REG_ARM64_X26),
+ SMPL_REG(x27, PERF_REG_ARM64_X27),
+ SMPL_REG(x28, PERF_REG_ARM64_X28),
+ SMPL_REG(x29, PERF_REG_ARM64_X29),
+ SMPL_REG(lr, PERF_REG_ARM64_LR),
+ SMPL_REG(sp, PERF_REG_ARM64_SP),
+ SMPL_REG(pc, PERF_REG_ARM64_PC),
+ SMPL_REG(vg, PERF_REG_ARM64_VG),
+ SMPL_REG_END
+};
+
+/* %xNUM */
+#define SDT_OP_REGEX1 "^(x[1-2]?[0-9]|3[0-1])$"
+
+/* [sp], [sp, NUM] */
+#define SDT_OP_REGEX2 "^\\[sp(, )?([0-9]+)?\\]$"
+
+static regex_t sdt_op_regex1, sdt_op_regex2;
+
+static int sdt_init_op_regex(void)
+{
+ static int initialized;
+ int ret = 0;
+
+ if (initialized)
+ return 0;
+
+ ret = regcomp(&sdt_op_regex1, SDT_OP_REGEX1, REG_EXTENDED);
+ if (ret)
+ goto error;
+
+ ret = regcomp(&sdt_op_regex2, SDT_OP_REGEX2, REG_EXTENDED);
+ if (ret)
+ goto free_regex1;
+
+ initialized = 1;
+ return 0;
+
+free_regex1:
+ regfree(&sdt_op_regex1);
+error:
+ pr_debug4("Regex compilation error.\n");
+ return ret;
+}
+
+/*
+ * SDT marker arguments on Arm64 uses %xREG or [sp, NUM], currently
+ * support these two formats.
+ */
+int arch_sdt_arg_parse_op(char *old_op, char **new_op)
+{
+ int ret, new_len;
+ regmatch_t rm[5];
+
+ ret = sdt_init_op_regex();
+ if (ret < 0)
+ return ret;
+
+ if (!regexec(&sdt_op_regex1, old_op, 3, rm, 0)) {
+ /* Extract xNUM */
+ new_len = 2; /* % NULL */
+ new_len += (int)(rm[1].rm_eo - rm[1].rm_so);
+
+ *new_op = zalloc(new_len);
+ if (!*new_op)
+ return -ENOMEM;
+
+ scnprintf(*new_op, new_len, "%%%.*s",
+ (int)(rm[1].rm_eo - rm[1].rm_so), old_op + rm[1].rm_so);
+ } else if (!regexec(&sdt_op_regex2, old_op, 5, rm, 0)) {
+ /* [sp], [sp, NUM] or [sp,NUM] */
+ new_len = 7; /* + ( % s p ) NULL */
+
+ /* If the argument is [sp], need to fill offset '0' */
+ if (rm[2].rm_so == -1)
+ new_len += 1;
+ else
+ new_len += (int)(rm[2].rm_eo - rm[2].rm_so);
+
+ *new_op = zalloc(new_len);
+ if (!*new_op)
+ return -ENOMEM;
+
+ if (rm[2].rm_so == -1)
+ scnprintf(*new_op, new_len, "+0(%%sp)");
+ else
+ scnprintf(*new_op, new_len, "+%.*s(%%sp)",
+ (int)(rm[2].rm_eo - rm[2].rm_so),
+ old_op + rm[2].rm_so);
+ } else {
+ pr_debug4("Skipping unsupported SDT argument: %s\n", old_op);
+ return SDT_ARG_SKIP;
+ }
+
+ return SDT_ARG_VALID;
+}
+
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ struct perf_event_attr attr = {
+ .type = PERF_TYPE_HARDWARE,
+ .config = PERF_COUNT_HW_CPU_CYCLES,
+ .sample_type = PERF_SAMPLE_REGS_USER,
+ .disabled = 1,
+ .exclude_kernel = 1,
+ .sample_period = 1,
+ .sample_regs_user = PERF_REGS_MASK
+ };
+ int fd;
+
+ if (getauxval(AT_HWCAP) & HWCAP_SVE)
+ attr.sample_regs_user |= SMPL_REG_MASK(PERF_REG_ARM64_VG);
+
+ /*
+ * Check if the pmu supports perf extended regs, before
+ * returning the register mask to sample.
+ */
+ if (attr.sample_regs_user != PERF_REGS_MASK) {
+ event_attr_init(&attr);
+ fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
+ if (fd != -1) {
+ close(fd);
+ return attr.sample_regs_user;
+ }
+ }
+ return PERF_REGS_MASK;
+}
+
+const struct sample_reg *arch__sample_reg_masks(void)
+{
+ return sample_reg_masks;
+}
diff --git a/tools/perf/arch/arm64/util/pmu.c b/tools/perf/arch/arm64/util/pmu.c
new file mode 100644
index 000000000000..895fb0d0610c
--- /dev/null
+++ b/tools/perf/arch/arm64/util/pmu.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "../../../util/pmu.h"
+#include "../../../util/pmus.h"
+#include "../../../util/tool_pmu.h"
+#include <api/fs/fs.h>
+
+u64 tool_pmu__cpu_slots_per_cycle(void)
+{
+ char path[PATH_MAX];
+ unsigned long long slots = 0;
+ struct perf_pmu *pmu = perf_pmus__find_core_pmu();
+
+ if (pmu) {
+ perf_pmu__pathname_scnprintf(path, sizeof(path),
+ pmu->name, "caps/slots");
+ /*
+ * The value of slots is not greater than 32 bits, but
+ * filename__read_int can't read value with 0x prefix,
+ * so use filename__read_ull instead.
+ */
+ filename__read_ull(path, &slots);
+ }
+
+ return slots;
+}
diff --git a/tools/perf/arch/arm64/util/tsc.c b/tools/perf/arch/arm64/util/tsc.c
new file mode 100644
index 000000000000..cc85bd9e73f1
--- /dev/null
+++ b/tools/perf/arch/arm64/util/tsc.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/types.h>
+
+#include "../../../util/tsc.h"
+
+u64 rdtsc(void)
+{
+ u64 val;
+
+ /*
+ * According to ARM DDI 0487F.c, from Armv8.0 to Armv8.5 inclusive, the
+ * system counter is at least 56 bits wide; from Armv8.6, the counter
+ * must be 64 bits wide. So the system counter could be less than 64
+ * bits wide and it is attributed with the flag 'cap_user_time_short'
+ * is true.
+ */
+ asm volatile("mrs %0, cntvct_el0" : "=r" (val));
+
+ return val;
+}
diff --git a/tools/perf/arch/arm64/util/unwind-libdw.c b/tools/perf/arch/arm64/util/unwind-libdw.c
new file mode 100644
index 000000000000..b89b0a7e5ad9
--- /dev/null
+++ b/tools/perf/arch/arm64/util/unwind-libdw.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <elfutils/libdwfl.h>
+#include "perf_regs.h"
+#include "../../../util/unwind-libdw.h"
+#include "../../../util/perf_regs.h"
+#include "../../../util/sample.h"
+
+bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
+{
+ struct unwind_info *ui = arg;
+ struct regs_dump *user_regs = perf_sample__user_regs(ui->sample);
+ Dwarf_Word dwarf_regs[PERF_REG_ARM64_MAX], dwarf_pc;
+
+#define REG(r) ({ \
+ Dwarf_Word val = 0; \
+ perf_reg_value(&val, user_regs, PERF_REG_ARM64_##r); \
+ val; \
+})
+
+ dwarf_regs[0] = REG(X0);
+ dwarf_regs[1] = REG(X1);
+ dwarf_regs[2] = REG(X2);
+ dwarf_regs[3] = REG(X3);
+ dwarf_regs[4] = REG(X4);
+ dwarf_regs[5] = REG(X5);
+ dwarf_regs[6] = REG(X6);
+ dwarf_regs[7] = REG(X7);
+ dwarf_regs[8] = REG(X8);
+ dwarf_regs[9] = REG(X9);
+ dwarf_regs[10] = REG(X10);
+ dwarf_regs[11] = REG(X11);
+ dwarf_regs[12] = REG(X12);
+ dwarf_regs[13] = REG(X13);
+ dwarf_regs[14] = REG(X14);
+ dwarf_regs[15] = REG(X15);
+ dwarf_regs[16] = REG(X16);
+ dwarf_regs[17] = REG(X17);
+ dwarf_regs[18] = REG(X18);
+ dwarf_regs[19] = REG(X19);
+ dwarf_regs[20] = REG(X20);
+ dwarf_regs[21] = REG(X21);
+ dwarf_regs[22] = REG(X22);
+ dwarf_regs[23] = REG(X23);
+ dwarf_regs[24] = REG(X24);
+ dwarf_regs[25] = REG(X25);
+ dwarf_regs[26] = REG(X26);
+ dwarf_regs[27] = REG(X27);
+ dwarf_regs[28] = REG(X28);
+ dwarf_regs[29] = REG(X29);
+ dwarf_regs[30] = REG(LR);
+ dwarf_regs[31] = REG(SP);
+
+ if (!dwfl_thread_state_registers(thread, 0, PERF_REG_ARM64_MAX,
+ dwarf_regs))
+ return false;
+
+ dwarf_pc = REG(PC);
+ dwfl_thread_state_register_pc(thread, dwarf_pc);
+
+ return true;
+}
diff --git a/tools/perf/arch/arm64/util/unwind-libunwind.c b/tools/perf/arch/arm64/util/unwind-libunwind.c
index c116b713f7f7..871af5992298 100644
--- a/tools/perf/arch/arm64/util/unwind-libunwind.c
+++ b/tools/perf/arch/arm64/util/unwind-libunwind.c
@@ -1,85 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
#ifndef REMOTE_UNWIND_LIBUNWIND
-#include <errno.h>
#include <libunwind.h>
#include "perf_regs.h"
-#include "../../util/unwind.h"
-#include "../../util/debug.h"
+#include "../../../util/unwind.h"
#endif
+#include "../../../util/debug.h"
int LIBUNWIND__ARCH_REG_ID(int regnum)
{
- switch (regnum) {
- case UNW_AARCH64_X0:
- return PERF_REG_ARM64_X0;
- case UNW_AARCH64_X1:
- return PERF_REG_ARM64_X1;
- case UNW_AARCH64_X2:
- return PERF_REG_ARM64_X2;
- case UNW_AARCH64_X3:
- return PERF_REG_ARM64_X3;
- case UNW_AARCH64_X4:
- return PERF_REG_ARM64_X4;
- case UNW_AARCH64_X5:
- return PERF_REG_ARM64_X5;
- case UNW_AARCH64_X6:
- return PERF_REG_ARM64_X6;
- case UNW_AARCH64_X7:
- return PERF_REG_ARM64_X7;
- case UNW_AARCH64_X8:
- return PERF_REG_ARM64_X8;
- case UNW_AARCH64_X9:
- return PERF_REG_ARM64_X9;
- case UNW_AARCH64_X10:
- return PERF_REG_ARM64_X10;
- case UNW_AARCH64_X11:
- return PERF_REG_ARM64_X11;
- case UNW_AARCH64_X12:
- return PERF_REG_ARM64_X12;
- case UNW_AARCH64_X13:
- return PERF_REG_ARM64_X13;
- case UNW_AARCH64_X14:
- return PERF_REG_ARM64_X14;
- case UNW_AARCH64_X15:
- return PERF_REG_ARM64_X15;
- case UNW_AARCH64_X16:
- return PERF_REG_ARM64_X16;
- case UNW_AARCH64_X17:
- return PERF_REG_ARM64_X17;
- case UNW_AARCH64_X18:
- return PERF_REG_ARM64_X18;
- case UNW_AARCH64_X19:
- return PERF_REG_ARM64_X19;
- case UNW_AARCH64_X20:
- return PERF_REG_ARM64_X20;
- case UNW_AARCH64_X21:
- return PERF_REG_ARM64_X21;
- case UNW_AARCH64_X22:
- return PERF_REG_ARM64_X22;
- case UNW_AARCH64_X23:
- return PERF_REG_ARM64_X23;
- case UNW_AARCH64_X24:
- return PERF_REG_ARM64_X24;
- case UNW_AARCH64_X25:
- return PERF_REG_ARM64_X25;
- case UNW_AARCH64_X26:
- return PERF_REG_ARM64_X26;
- case UNW_AARCH64_X27:
- return PERF_REG_ARM64_X27;
- case UNW_AARCH64_X28:
- return PERF_REG_ARM64_X28;
- case UNW_AARCH64_X29:
- return PERF_REG_ARM64_X29;
- case UNW_AARCH64_X30:
- return PERF_REG_ARM64_LR;
- case UNW_AARCH64_SP:
- return PERF_REG_ARM64_SP;
- case UNW_AARCH64_PC:
- return PERF_REG_ARM64_PC;
- default:
- pr_err("unwind: invalid reg id %d\n", regnum);
+ if (regnum < 0 || regnum >= PERF_REG_ARM64_EXTENDED_MAX)
return -EINVAL;
- }
- return -EINVAL;
+ return regnum;
}
diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c
index 886dd2aaff0d..4908d54dd33b 100644
--- a/tools/perf/arch/common.c
+++ b/tools/perf/arch/common.c
@@ -1,8 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <limits.h>
#include <stdio.h>
-#include <sys/utsname.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
#include "common.h"
-#include "../util/util.h"
+#include "../util/env.h"
#include "../util/debug.h"
+#include <linux/zalloc.h>
+
+const char *const arc_triplets[] = {
+ "arc-linux-",
+ "arc-snps-linux-uclibc-",
+ "arc-snps-linux-gnu-",
+ NULL
+};
const char *const arm_triplets[] = {
"arm-eabi-",
@@ -24,12 +36,27 @@ const char *const arm64_triplets[] = {
const char *const powerpc_triplets[] = {
"powerpc-unknown-linux-gnu-",
+ "powerpc-linux-gnu-",
"powerpc64-unknown-linux-gnu-",
"powerpc64-linux-gnu-",
"powerpc64le-linux-gnu-",
NULL
};
+const char *const riscv32_triplets[] = {
+ "riscv32-unknown-linux-gnu-",
+ "riscv32-linux-android-",
+ "riscv32-linux-gnu-",
+ NULL
+};
+
+const char *const riscv64_triplets[] = {
+ "riscv64-unknown-linux-gnu-",
+ "riscv64-linux-android-",
+ "riscv64-linux-gnu-",
+ NULL
+};
+
const char *const s390_triplets[] = {
"s390-ibm-linux-",
"s390x-linux-gnu-",
@@ -38,9 +65,7 @@ const char *const s390_triplets[] = {
const char *const sh_triplets[] = {
"sh-unknown-linux-gnu-",
- "sh64-unknown-linux-gnu-",
"sh-linux-gnu-",
- "sh64-linux-gnu-",
NULL
};
@@ -116,55 +141,19 @@ static int lookup_triplets(const char *const *triplets, const char *name)
return -1;
}
-/*
- * Return architecture name in a normalized form.
- * The conversion logic comes from the Makefile.
- */
-const char *normalize_arch(char *arch)
-{
- if (!strcmp(arch, "x86_64"))
- return "x86";
- if (arch[0] == 'i' && arch[2] == '8' && arch[3] == '6')
- return "x86";
- if (!strcmp(arch, "sun4u") || !strncmp(arch, "sparc", 5))
- return "sparc";
- if (!strcmp(arch, "aarch64") || !strcmp(arch, "arm64"))
- return "arm64";
- if (!strncmp(arch, "arm", 3) || !strcmp(arch, "sa110"))
- return "arm";
- if (!strncmp(arch, "s390", 4))
- return "s390";
- if (!strncmp(arch, "parisc", 6))
- return "parisc";
- if (!strncmp(arch, "powerpc", 7) || !strncmp(arch, "ppc", 3))
- return "powerpc";
- if (!strncmp(arch, "mips", 4))
- return "mips";
- if (!strncmp(arch, "sh", 2) && isdigit(arch[2]))
- return "sh";
-
- return arch;
-}
-
static int perf_env__lookup_binutils_path(struct perf_env *env,
- const char *name, const char **path)
+ const char *name, char **path)
{
int idx;
- const char *arch, *cross_env;
- struct utsname uts;
+ const char *arch = perf_env__arch(env), *cross_env;
const char *const *path_list;
char *buf = NULL;
- arch = normalize_arch(env->arch);
-
- if (uname(&uts) < 0)
- goto out;
-
/*
* We don't need to try to find objdump path for native system.
* Just use default binutils path (e.g.: "objdump").
*/
- if (!strcmp(normalize_arch(uts.machine), arch))
+ if (!strcmp(perf_env__arch(NULL), arch))
goto out;
cross_env = getenv("CROSS_COMPILE");
@@ -181,12 +170,18 @@ static int perf_env__lookup_binutils_path(struct perf_env *env,
zfree(&buf);
}
- if (!strcmp(arch, "arm"))
+ if (!strcmp(arch, "arc"))
+ path_list = arc_triplets;
+ else if (!strcmp(arch, "arm"))
path_list = arm_triplets;
else if (!strcmp(arch, "arm64"))
path_list = arm64_triplets;
else if (!strcmp(arch, "powerpc"))
path_list = powerpc_triplets;
+ else if (!strcmp(arch, "riscv32"))
+ path_list = riscv32_triplets;
+ else if (!strcmp(arch, "riscv64"))
+ path_list = riscv64_triplets;
else if (!strcmp(arch, "sh"))
path_list = sh_triplets;
else if (!strcmp(arch, "s390"))
@@ -223,7 +218,7 @@ out_error:
return -1;
}
-int perf_env__lookup_objdump(struct perf_env *env)
+int perf_env__lookup_objdump(struct perf_env *env, char **path)
{
/*
* For live mode, env->arch will be NULL and we can use
@@ -232,5 +227,15 @@ int perf_env__lookup_objdump(struct perf_env *env)
if (env->arch == NULL)
return 0;
- return perf_env__lookup_binutils_path(env, "objdump", &objdump_path);
+ return perf_env__lookup_binutils_path(env, "objdump", path);
+}
+
+/*
+ * Some architectures have a single address space for kernel and user addresses,
+ * which makes it possible to determine if an address is in kernel space or user
+ * space.
+ */
+bool perf_env__single_address_space(struct perf_env *env)
+{
+ return strcmp(perf_env__arch(env), "sparc");
}
diff --git a/tools/perf/arch/common.h b/tools/perf/arch/common.h
index 6b01c736b7d9..4224c299cc70 100644
--- a/tools/perf/arch/common.h
+++ b/tools/perf/arch/common.h
@@ -1,11 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_PERF_COMMON_H
#define ARCH_PERF_COMMON_H
-#include "../util/env.h"
+#include <stdbool.h>
-extern const char *objdump_path;
+struct perf_env;
-int perf_env__lookup_objdump(struct perf_env *env);
-const char *normalize_arch(char *arch);
+int perf_env__lookup_objdump(struct perf_env *env, char **path);
+bool perf_env__single_address_space(struct perf_env *env);
#endif /* ARCH_PERF_COMMON_H */
diff --git a/tools/perf/arch/csky/Build b/tools/perf/arch/csky/Build
new file mode 100644
index 000000000000..e63eabc2c8f4
--- /dev/null
+++ b/tools/perf/arch/csky/Build
@@ -0,0 +1 @@
+perf-util-y += util/
diff --git a/tools/perf/arch/csky/annotate/instructions.c b/tools/perf/arch/csky/annotate/instructions.c
new file mode 100644
index 000000000000..14270311d215
--- /dev/null
+++ b/tools/perf/arch/csky/annotate/instructions.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+
+#include <linux/compiler.h>
+
+static struct ins_ops *csky__associate_ins_ops(struct arch *arch,
+ const char *name)
+{
+ struct ins_ops *ops = NULL;
+
+ /* catch all kind of jumps */
+ if (!strcmp(name, "bt") ||
+ !strcmp(name, "bf") ||
+ !strcmp(name, "bez") ||
+ !strcmp(name, "bnez") ||
+ !strcmp(name, "bnezad") ||
+ !strcmp(name, "bhsz") ||
+ !strcmp(name, "bhz") ||
+ !strcmp(name, "blsz") ||
+ !strcmp(name, "blz") ||
+ !strcmp(name, "br") ||
+ !strcmp(name, "jmpi") ||
+ !strcmp(name, "jmp"))
+ ops = &jump_ops;
+
+ /* catch function call */
+ if (!strcmp(name, "bsr") ||
+ !strcmp(name, "jsri") ||
+ !strcmp(name, "jsr"))
+ ops = &call_ops;
+
+ /* catch function return */
+ if (!strcmp(name, "rts"))
+ ops = &ret_ops;
+
+ if (ops)
+ arch__associate_ins_ops(arch, name, ops);
+ return ops;
+}
+
+static int csky__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+ arch->initialized = true;
+ arch->objdump.comment_char = '/';
+ arch->associate_instruction_ops = csky__associate_ins_ops;
+ arch->e_machine = EM_CSKY;
+#if defined(__CSKYABIV2__)
+ arch->e_flags = EF_CSKY_ABIV2;
+#else
+ arch->e_flags = EF_CSKY_ABIV1;
+#endif
+ return 0;
+}
diff --git a/tools/perf/arch/csky/include/perf_regs.h b/tools/perf/arch/csky/include/perf_regs.h
new file mode 100644
index 000000000000..076c7746c8a2
--- /dev/null
+++ b/tools/perf/arch/csky/include/perf_regs.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+
+#ifndef ARCH_PERF_REGS_H
+#define ARCH_PERF_REGS_H
+
+#include <stdlib.h>
+#include <linux/types.h>
+#include <asm/perf_regs.h>
+
+#define PERF_REGS_MASK ((1ULL << PERF_REG_CSKY_MAX) - 1)
+#define PERF_REGS_MAX PERF_REG_CSKY_MAX
+#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32
+
+#endif /* ARCH_PERF_REGS_H */
diff --git a/tools/perf/arch/csky/util/Build b/tools/perf/arch/csky/util/Build
new file mode 100644
index 000000000000..5e6ea82c4202
--- /dev/null
+++ b/tools/perf/arch/csky/util/Build
@@ -0,0 +1,3 @@
+perf-util-y += perf_regs.o
+
+perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
diff --git a/tools/perf/arch/csky/util/perf_regs.c b/tools/perf/arch/csky/util/perf_regs.c
new file mode 100644
index 000000000000..6b1665f41180
--- /dev/null
+++ b/tools/perf/arch/csky/util/perf_regs.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "perf_regs.h"
+#include "../../util/perf_regs.h"
+
+static const struct sample_reg sample_reg_masks[] = {
+ SMPL_REG_END
+};
+
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+const struct sample_reg *arch__sample_reg_masks(void)
+{
+ return sample_reg_masks;
+}
diff --git a/tools/perf/arch/csky/util/unwind-libdw.c b/tools/perf/arch/csky/util/unwind-libdw.c
new file mode 100644
index 000000000000..b20b1569783d
--- /dev/null
+++ b/tools/perf/arch/csky/util/unwind-libdw.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+
+#include <elfutils/libdwfl.h>
+#include "perf_regs.h"
+#include "../../util/unwind-libdw.h"
+#include "../../util/perf_regs.h"
+#include "../../util/event.h"
+
+bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
+{
+ struct unwind_info *ui = arg;
+ struct regs_dump *user_regs = perf_sample__user_regs(ui->sample);
+ Dwarf_Word dwarf_regs[PERF_REG_CSKY_MAX];
+
+#define REG(r) ({ \
+ Dwarf_Word val = 0; \
+ perf_reg_value(&val, user_regs, PERF_REG_CSKY_##r); \
+ val; \
+})
+
+#if defined(__CSKYABIV2__)
+ dwarf_regs[0] = REG(A0);
+ dwarf_regs[1] = REG(A1);
+ dwarf_regs[2] = REG(A2);
+ dwarf_regs[3] = REG(A3);
+ dwarf_regs[4] = REG(REGS0);
+ dwarf_regs[5] = REG(REGS1);
+ dwarf_regs[6] = REG(REGS2);
+ dwarf_regs[7] = REG(REGS3);
+ dwarf_regs[8] = REG(REGS4);
+ dwarf_regs[9] = REG(REGS5);
+ dwarf_regs[10] = REG(REGS6);
+ dwarf_regs[11] = REG(REGS7);
+ dwarf_regs[12] = REG(REGS8);
+ dwarf_regs[13] = REG(REGS9);
+ dwarf_regs[14] = REG(SP);
+ dwarf_regs[15] = REG(LR);
+ dwarf_regs[16] = REG(EXREGS0);
+ dwarf_regs[17] = REG(EXREGS1);
+ dwarf_regs[18] = REG(EXREGS2);
+ dwarf_regs[19] = REG(EXREGS3);
+ dwarf_regs[20] = REG(EXREGS4);
+ dwarf_regs[21] = REG(EXREGS5);
+ dwarf_regs[22] = REG(EXREGS6);
+ dwarf_regs[23] = REG(EXREGS7);
+ dwarf_regs[24] = REG(EXREGS8);
+ dwarf_regs[25] = REG(EXREGS9);
+ dwarf_regs[26] = REG(EXREGS10);
+ dwarf_regs[27] = REG(EXREGS11);
+ dwarf_regs[28] = REG(EXREGS12);
+ dwarf_regs[29] = REG(EXREGS13);
+ dwarf_regs[30] = REG(EXREGS14);
+ dwarf_regs[31] = REG(TLS);
+ dwarf_regs[32] = REG(PC);
+#else
+ dwarf_regs[0] = REG(SP);
+ dwarf_regs[1] = REG(REGS9);
+ dwarf_regs[2] = REG(A0);
+ dwarf_regs[3] = REG(A1);
+ dwarf_regs[4] = REG(A2);
+ dwarf_regs[5] = REG(A3);
+ dwarf_regs[6] = REG(REGS0);
+ dwarf_regs[7] = REG(REGS1);
+ dwarf_regs[8] = REG(REGS2);
+ dwarf_regs[9] = REG(REGS3);
+ dwarf_regs[10] = REG(REGS4);
+ dwarf_regs[11] = REG(REGS5);
+ dwarf_regs[12] = REG(REGS6);
+ dwarf_regs[13] = REG(REGS7);
+ dwarf_regs[14] = REG(REGS8);
+ dwarf_regs[15] = REG(LR);
+#endif
+ dwfl_thread_state_register_pc(thread, REG(PC));
+
+ return dwfl_thread_state_registers(thread, 0, PERF_REG_CSKY_MAX,
+ dwarf_regs);
+}
diff --git a/tools/perf/arch/loongarch/Build b/tools/perf/arch/loongarch/Build
new file mode 100644
index 000000000000..e63eabc2c8f4
--- /dev/null
+++ b/tools/perf/arch/loongarch/Build
@@ -0,0 +1 @@
+perf-util-y += util/
diff --git a/tools/perf/arch/loongarch/Makefile b/tools/perf/arch/loongarch/Makefile
new file mode 100644
index 000000000000..087e099fb453
--- /dev/null
+++ b/tools/perf/arch/loongarch/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+PERF_HAVE_JITDUMP := 1
+HAVE_KVM_STAT_SUPPORT := 1
diff --git a/tools/perf/arch/loongarch/annotate/instructions.c b/tools/perf/arch/loongarch/annotate/instructions.c
new file mode 100644
index 000000000000..70262d5f1444
--- /dev/null
+++ b/tools/perf/arch/loongarch/annotate/instructions.c
@@ -0,0 +1,139 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Perf annotate functions.
+ *
+ * Copyright (C) 2020-2023 Loongson Technology Corporation Limited
+ */
+
+static int loongarch_call__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms,
+ struct disasm_line *dl __maybe_unused)
+{
+ char *c, *endptr, *tok, *name;
+ struct map *map = ms->map;
+ struct addr_map_symbol target = {
+ .ms = { .map = map, },
+ };
+
+ c = strchr(ops->raw, '#');
+ if (c++ == NULL)
+ return -1;
+
+ ops->target.addr = strtoull(c, &endptr, 16);
+
+ name = strchr(endptr, '<');
+ name++;
+
+ if (arch->objdump.skip_functions_char &&
+ strchr(name, arch->objdump.skip_functions_char))
+ return -1;
+
+ tok = strchr(name, '>');
+ if (tok == NULL)
+ return -1;
+
+ *tok = '\0';
+ ops->target.name = strdup(name);
+ *tok = '>';
+
+ if (ops->target.name == NULL)
+ return -1;
+
+ target.addr = map__objdump_2mem(map, ops->target.addr);
+
+ if (maps__find_ams(ms->maps, &target) == 0 &&
+ map__rip_2objdump(target.ms.map, map__map_ip(target.ms.map, target.addr)) == ops->target.addr)
+ ops->target.sym = target.ms.sym;
+
+ return 0;
+}
+
+static struct ins_ops loongarch_call_ops = {
+ .parse = loongarch_call__parse,
+ .scnprintf = call__scnprintf,
+};
+
+static int loongarch_jump__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms,
+ struct disasm_line *dl __maybe_unused)
+{
+ struct map *map = ms->map;
+ struct symbol *sym = ms->sym;
+ struct addr_map_symbol target = {
+ .ms = { .map = map, },
+ };
+ const char *c = strchr(ops->raw, '#');
+ u64 start, end;
+
+ ops->jump.raw_comment = strchr(ops->raw, arch->objdump.comment_char);
+ ops->jump.raw_func_start = strchr(ops->raw, '<');
+
+ if (ops->jump.raw_func_start && c > ops->jump.raw_func_start)
+ c = NULL;
+
+ if (c++ != NULL)
+ ops->target.addr = strtoull(c, NULL, 16);
+ else
+ ops->target.addr = strtoull(ops->raw, NULL, 16);
+
+ target.addr = map__objdump_2mem(map, ops->target.addr);
+ start = map__unmap_ip(map, sym->start);
+ end = map__unmap_ip(map, sym->end);
+
+ ops->target.outside = target.addr < start || target.addr > end;
+
+ if (maps__find_ams(ms->maps, &target) == 0 &&
+ map__rip_2objdump(target.ms.map, map__map_ip(target.ms.map, target.addr)) == ops->target.addr)
+ ops->target.sym = target.ms.sym;
+
+ if (!ops->target.outside) {
+ ops->target.offset = target.addr - start;
+ ops->target.offset_avail = true;
+ } else {
+ ops->target.offset_avail = false;
+ }
+
+ return 0;
+}
+
+static struct ins_ops loongarch_jump_ops = {
+ .parse = loongarch_jump__parse,
+ .scnprintf = jump__scnprintf,
+};
+
+static
+struct ins_ops *loongarch__associate_ins_ops(struct arch *arch, const char *name)
+{
+ struct ins_ops *ops = NULL;
+
+ if (!strcmp(name, "bl"))
+ ops = &loongarch_call_ops;
+ else if (!strcmp(name, "jirl"))
+ ops = &ret_ops;
+ else if (!strcmp(name, "b") ||
+ !strncmp(name, "beq", 3) ||
+ !strncmp(name, "bne", 3) ||
+ !strncmp(name, "blt", 3) ||
+ !strncmp(name, "bge", 3) ||
+ !strncmp(name, "bltu", 4) ||
+ !strncmp(name, "bgeu", 4))
+ ops = &loongarch_jump_ops;
+ else
+ return NULL;
+
+ arch__associate_ins_ops(arch, name, ops);
+
+ return ops;
+}
+
+static
+int loongarch__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+ if (!arch->initialized) {
+ arch->associate_instruction_ops = loongarch__associate_ins_ops;
+ arch->initialized = true;
+ arch->objdump.comment_char = '#';
+ arch->e_machine = EM_LOONGARCH;
+ arch->e_flags = 0;
+ }
+
+ return 0;
+}
diff --git a/tools/perf/arch/loongarch/include/dwarf-regs-table.h b/tools/perf/arch/loongarch/include/dwarf-regs-table.h
new file mode 100644
index 000000000000..bb3944f5764a
--- /dev/null
+++ b/tools/perf/arch/loongarch/include/dwarf-regs-table.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * dwarf-regs-table.h : Mapping of DWARF debug register numbers into
+ * register names.
+ *
+ * Copyright (C) 2020-2023 Loongson Technology Corporation Limited
+ */
+
+#ifdef DEFINE_DWARF_REGSTR_TABLE
+static const char * const loongarch_regstr_tbl[] = {
+ "%r0", "%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7",
+ "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15",
+ "%r16", "%r17", "%r18", "%r19", "%r20", "%r21", "%r22", "%r23",
+ "%r24", "%r25", "%r26", "%r27", "%r28", "%r29", "%r30", "%r31",
+};
+#endif
diff --git a/tools/perf/arch/loongarch/include/perf_regs.h b/tools/perf/arch/loongarch/include/perf_regs.h
new file mode 100644
index 000000000000..45c799fa5330
--- /dev/null
+++ b/tools/perf/arch/loongarch/include/perf_regs.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ARCH_PERF_REGS_H
+#define ARCH_PERF_REGS_H
+
+#include <stdlib.h>
+#include <linux/types.h>
+#include <asm/perf_regs.h>
+
+#define PERF_REGS_MAX PERF_REG_LOONGARCH_MAX
+
+#define PERF_REGS_MASK ((1ULL << PERF_REG_LOONGARCH_MAX) - 1)
+
+#endif /* ARCH_PERF_REGS_H */
diff --git a/tools/perf/arch/loongarch/util/Build b/tools/perf/arch/loongarch/util/Build
new file mode 100644
index 000000000000..0aa31986ecb5
--- /dev/null
+++ b/tools/perf/arch/loongarch/util/Build
@@ -0,0 +1,6 @@
+perf-util-y += header.o
+perf-util-y += perf_regs.o
+
+perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
+perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
+perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
diff --git a/tools/perf/arch/loongarch/util/header.c b/tools/perf/arch/loongarch/util/header.c
new file mode 100644
index 000000000000..0c6d823334a2
--- /dev/null
+++ b/tools/perf/arch/loongarch/util/header.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Implementation of get_cpuid().
+ *
+ * Author: Nikita Shubin <n.shubin@yadro.com>
+ * Bibo Mao <maobibo@loongson.cn>
+ * Huacai Chen <chenhuacai@loongson.cn>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <api/fs/fs.h>
+#include <errno.h>
+#include "util/debug.h"
+#include "util/header.h"
+
+/*
+ * Output example from /proc/cpuinfo
+ * CPU Family : Loongson-64bit
+ * Model Name : Loongson-3C5000
+ * CPU Revision : 0x10
+ * FPU Revision : 0x01
+ */
+#define CPUINFO_MODEL "Model Name"
+#define CPUINFO "/proc/cpuinfo"
+
+static char *_get_field(const char *line)
+{
+ char *line2, *nl;
+
+ line2 = strrchr(line, ' ');
+ if (!line2)
+ return NULL;
+
+ line2++;
+ nl = strrchr(line, '\n');
+ if (!nl)
+ return NULL;
+
+ return strndup(line2, nl - line2);
+}
+
+static char *_get_cpuid(void)
+{
+ unsigned long line_sz;
+ char *line, *model, *cpuid;
+ FILE *file;
+
+ file = fopen(CPUINFO, "r");
+ if (file == NULL)
+ return NULL;
+
+ line = model = cpuid = NULL;
+ while (getline(&line, &line_sz, file) != -1) {
+ if (strncmp(line, CPUINFO_MODEL, strlen(CPUINFO_MODEL)))
+ continue;
+
+ model = _get_field(line);
+ if (!model)
+ goto out_free;
+ break;
+ }
+
+ if (model && (asprintf(&cpuid, "%s", model) < 0))
+ cpuid = NULL;
+
+out_free:
+ fclose(file);
+ free(model);
+ return cpuid;
+}
+
+int get_cpuid(char *buffer, size_t sz, struct perf_cpu cpu __maybe_unused)
+{
+ int ret = 0;
+ char *cpuid = _get_cpuid();
+
+ if (!cpuid)
+ return EINVAL;
+
+ if (sz < strlen(cpuid)) {
+ ret = ENOBUFS;
+ goto out_free;
+ }
+
+ scnprintf(buffer, sz, "%s", cpuid);
+
+out_free:
+ free(cpuid);
+ return ret;
+}
+
+char *get_cpuid_str(struct perf_cpu cpu __maybe_unused)
+{
+ return _get_cpuid();
+}
diff --git a/tools/perf/arch/loongarch/util/kvm-stat.c b/tools/perf/arch/loongarch/util/kvm-stat.c
new file mode 100644
index 000000000000..a7859a3a9a51
--- /dev/null
+++ b/tools/perf/arch/loongarch/util/kvm-stat.c
@@ -0,0 +1,139 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <memory.h>
+#include "util/kvm-stat.h"
+#include "util/parse-events.h"
+#include "util/debug.h"
+#include "util/evsel.h"
+#include "util/evlist.h"
+#include "util/pmus.h"
+
+#define LOONGARCH_EXCEPTION_INT 0
+#define LOONGARCH_EXCEPTION_PIL 1
+#define LOONGARCH_EXCEPTION_PIS 2
+#define LOONGARCH_EXCEPTION_PIF 3
+#define LOONGARCH_EXCEPTION_PME 4
+#define LOONGARCH_EXCEPTION_FPD 15
+#define LOONGARCH_EXCEPTION_SXD 16
+#define LOONGARCH_EXCEPTION_ASXD 17
+#define LOONGARCH_EXCEPTION_GSPR 22
+#define LOONGARCH_EXCEPTION_CPUCFG 100
+#define LOONGARCH_EXCEPTION_CSR 101
+#define LOONGARCH_EXCEPTION_IOCSR 102
+#define LOONGARCH_EXCEPTION_IDLE 103
+#define LOONGARCH_EXCEPTION_OTHERS 104
+#define LOONGARCH_EXCEPTION_HVC 23
+
+#define loongarch_exception_type \
+ {LOONGARCH_EXCEPTION_INT, "Interrupt" }, \
+ {LOONGARCH_EXCEPTION_PIL, "Mem Read" }, \
+ {LOONGARCH_EXCEPTION_PIS, "Mem Store" }, \
+ {LOONGARCH_EXCEPTION_PIF, "Inst Fetch" }, \
+ {LOONGARCH_EXCEPTION_PME, "Mem Modify" }, \
+ {LOONGARCH_EXCEPTION_FPD, "FPU" }, \
+ {LOONGARCH_EXCEPTION_SXD, "LSX" }, \
+ {LOONGARCH_EXCEPTION_ASXD, "LASX" }, \
+ {LOONGARCH_EXCEPTION_GSPR, "Privilege Error" }, \
+ {LOONGARCH_EXCEPTION_HVC, "Hypercall" }, \
+ {LOONGARCH_EXCEPTION_CPUCFG, "CPUCFG" }, \
+ {LOONGARCH_EXCEPTION_CSR, "CSR" }, \
+ {LOONGARCH_EXCEPTION_IOCSR, "IOCSR" }, \
+ {LOONGARCH_EXCEPTION_IDLE, "Idle" }, \
+ {LOONGARCH_EXCEPTION_OTHERS, "Others" }
+
+define_exit_reasons_table(loongarch_exit_reasons, loongarch_exception_type);
+
+const char *vcpu_id_str = "vcpu_id";
+const char *kvm_exit_reason = "reason";
+const char *kvm_entry_trace = "kvm:kvm_enter";
+const char *kvm_reenter_trace = "kvm:kvm_reenter";
+const char *kvm_exit_trace = "kvm:kvm_exit";
+const char *kvm_events_tp[] = {
+ "kvm:kvm_enter",
+ "kvm:kvm_reenter",
+ "kvm:kvm_exit",
+ "kvm:kvm_exit_gspr",
+ NULL,
+};
+
+static bool event_begin(struct evsel *evsel,
+ struct perf_sample *sample, struct event_key *key)
+{
+ return exit_event_begin(evsel, sample, key);
+}
+
+static bool event_end(struct evsel *evsel,
+ struct perf_sample *sample __maybe_unused,
+ struct event_key *key __maybe_unused)
+{
+ /*
+ * LoongArch kvm is different with other architectures
+ *
+ * There is kvm:kvm_reenter or kvm:kvm_enter event adjacent with
+ * kvm:kvm_exit event.
+ * kvm:kvm_enter means returning to vmm and then to guest
+ * kvm:kvm_reenter means returning to guest immediately
+ */
+ return evsel__name_is(evsel, kvm_entry_trace) || evsel__name_is(evsel, kvm_reenter_trace);
+}
+
+static void event_gspr_get_key(struct evsel *evsel,
+ struct perf_sample *sample, struct event_key *key)
+{
+ unsigned int insn;
+
+ key->key = LOONGARCH_EXCEPTION_OTHERS;
+ insn = evsel__intval(evsel, sample, "inst_word");
+
+ switch (insn >> 24) {
+ case 0:
+ /* CPUCFG inst trap */
+ if ((insn >> 10) == 0x1b)
+ key->key = LOONGARCH_EXCEPTION_CPUCFG;
+ break;
+ case 4:
+ /* CSR inst trap */
+ key->key = LOONGARCH_EXCEPTION_CSR;
+ break;
+ case 6:
+ /* IOCSR inst trap */
+ if ((insn >> 15) == 0xc90)
+ key->key = LOONGARCH_EXCEPTION_IOCSR;
+ else if ((insn >> 15) == 0xc91)
+ /* Idle inst trap */
+ key->key = LOONGARCH_EXCEPTION_IDLE;
+ break;
+ default:
+ key->key = LOONGARCH_EXCEPTION_OTHERS;
+ break;
+ }
+}
+
+static struct child_event_ops child_events[] = {
+ { .name = "kvm:kvm_exit_gspr", .get_key = event_gspr_get_key },
+ { NULL, NULL },
+};
+
+static struct kvm_events_ops exit_events = {
+ .is_begin_event = event_begin,
+ .is_end_event = event_end,
+ .child_ops = child_events,
+ .decode_key = exit_event_decode_key,
+ .name = "VM-EXIT"
+};
+
+struct kvm_reg_events_ops kvm_reg_events_ops[] = {
+ { .name = "vmexit", .ops = &exit_events, },
+ { NULL, NULL },
+};
+
+const char * const kvm_skip_events[] = {
+ NULL,
+};
+
+int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid __maybe_unused)
+{
+ kvm->exit_reasons_isa = "loongarch64";
+ kvm->exit_reasons = loongarch_exit_reasons;
+ return 0;
+}
diff --git a/tools/perf/arch/loongarch/util/perf_regs.c b/tools/perf/arch/loongarch/util/perf_regs.c
new file mode 100644
index 000000000000..f94a0210c7b7
--- /dev/null
+++ b/tools/perf/arch/loongarch/util/perf_regs.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "perf_regs.h"
+#include "../../../util/perf_regs.h"
+
+static const struct sample_reg sample_reg_masks[] = {
+ SMPL_REG_END
+};
+
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+const struct sample_reg *arch__sample_reg_masks(void)
+{
+ return sample_reg_masks;
+}
diff --git a/tools/perf/arch/loongarch/util/unwind-libdw.c b/tools/perf/arch/loongarch/util/unwind-libdw.c
new file mode 100644
index 000000000000..60b1144bedd5
--- /dev/null
+++ b/tools/perf/arch/loongarch/util/unwind-libdw.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2020-2023 Loongson Technology Corporation Limited */
+
+#include <elfutils/libdwfl.h>
+#include "perf_regs.h"
+#include "../../util/unwind-libdw.h"
+#include "../../util/perf_regs.h"
+#include "../../util/sample.h"
+
+bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
+{
+ struct unwind_info *ui = arg;
+ struct regs_dump *user_regs = perf_sample__user_regs(ui->sample);
+ Dwarf_Word dwarf_regs[PERF_REG_LOONGARCH_MAX];
+
+#define REG(r) ({ \
+ Dwarf_Word val = 0; \
+ perf_reg_value(&val, user_regs, PERF_REG_LOONGARCH_##r); \
+ val; \
+})
+
+ dwarf_regs[0] = 0;
+ dwarf_regs[1] = REG(R1);
+ dwarf_regs[2] = REG(R2);
+ dwarf_regs[3] = REG(R3);
+ dwarf_regs[4] = REG(R4);
+ dwarf_regs[5] = REG(R5);
+ dwarf_regs[6] = REG(R6);
+ dwarf_regs[7] = REG(R7);
+ dwarf_regs[8] = REG(R8);
+ dwarf_regs[9] = REG(R9);
+ dwarf_regs[10] = REG(R10);
+ dwarf_regs[11] = REG(R11);
+ dwarf_regs[12] = REG(R12);
+ dwarf_regs[13] = REG(R13);
+ dwarf_regs[14] = REG(R14);
+ dwarf_regs[15] = REG(R15);
+ dwarf_regs[16] = REG(R16);
+ dwarf_regs[17] = REG(R17);
+ dwarf_regs[18] = REG(R18);
+ dwarf_regs[19] = REG(R19);
+ dwarf_regs[20] = REG(R20);
+ dwarf_regs[21] = REG(R21);
+ dwarf_regs[22] = REG(R22);
+ dwarf_regs[23] = REG(R23);
+ dwarf_regs[24] = REG(R24);
+ dwarf_regs[25] = REG(R25);
+ dwarf_regs[26] = REG(R26);
+ dwarf_regs[27] = REG(R27);
+ dwarf_regs[28] = REG(R28);
+ dwarf_regs[29] = REG(R29);
+ dwarf_regs[30] = REG(R30);
+ dwarf_regs[31] = REG(R31);
+ dwfl_thread_state_register_pc(thread, REG(PC));
+
+ return dwfl_thread_state_registers(thread, 0, PERF_REG_LOONGARCH_MAX, dwarf_regs);
+}
diff --git a/tools/perf/arch/loongarch/util/unwind-libunwind.c b/tools/perf/arch/loongarch/util/unwind-libunwind.c
new file mode 100644
index 000000000000..f693167b86ef
--- /dev/null
+++ b/tools/perf/arch/loongarch/util/unwind-libunwind.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <errno.h>
+#include <libunwind.h>
+#include "perf_regs.h"
+#include "../../util/unwind.h"
+#include "util/debug.h"
+
+int libunwind__arch_reg_id(int regnum)
+{
+ switch (regnum) {
+ case UNW_LOONGARCH64_R1:
+ return PERF_REG_LOONGARCH_R1;
+ case UNW_LOONGARCH64_R2:
+ return PERF_REG_LOONGARCH_R2;
+ case UNW_LOONGARCH64_R3:
+ return PERF_REG_LOONGARCH_R3;
+ case UNW_LOONGARCH64_R4:
+ return PERF_REG_LOONGARCH_R4;
+ case UNW_LOONGARCH64_R5:
+ return PERF_REG_LOONGARCH_R5;
+ case UNW_LOONGARCH64_R6:
+ return PERF_REG_LOONGARCH_R6;
+ case UNW_LOONGARCH64_R7:
+ return PERF_REG_LOONGARCH_R7;
+ case UNW_LOONGARCH64_R8:
+ return PERF_REG_LOONGARCH_R8;
+ case UNW_LOONGARCH64_R9:
+ return PERF_REG_LOONGARCH_R9;
+ case UNW_LOONGARCH64_R10:
+ return PERF_REG_LOONGARCH_R10;
+ case UNW_LOONGARCH64_R11:
+ return PERF_REG_LOONGARCH_R11;
+ case UNW_LOONGARCH64_R12:
+ return PERF_REG_LOONGARCH_R12;
+ case UNW_LOONGARCH64_R13:
+ return PERF_REG_LOONGARCH_R13;
+ case UNW_LOONGARCH64_R14:
+ return PERF_REG_LOONGARCH_R14;
+ case UNW_LOONGARCH64_R15:
+ return PERF_REG_LOONGARCH_R15;
+ case UNW_LOONGARCH64_R16:
+ return PERF_REG_LOONGARCH_R16;
+ case UNW_LOONGARCH64_R17:
+ return PERF_REG_LOONGARCH_R17;
+ case UNW_LOONGARCH64_R18:
+ return PERF_REG_LOONGARCH_R18;
+ case UNW_LOONGARCH64_R19:
+ return PERF_REG_LOONGARCH_R19;
+ case UNW_LOONGARCH64_R20:
+ return PERF_REG_LOONGARCH_R20;
+ case UNW_LOONGARCH64_R21:
+ return PERF_REG_LOONGARCH_R21;
+ case UNW_LOONGARCH64_R22:
+ return PERF_REG_LOONGARCH_R22;
+ case UNW_LOONGARCH64_R23:
+ return PERF_REG_LOONGARCH_R23;
+ case UNW_LOONGARCH64_R24:
+ return PERF_REG_LOONGARCH_R24;
+ case UNW_LOONGARCH64_R25:
+ return PERF_REG_LOONGARCH_R25;
+ case UNW_LOONGARCH64_R26:
+ return PERF_REG_LOONGARCH_R26;
+ case UNW_LOONGARCH64_R27:
+ return PERF_REG_LOONGARCH_R27;
+ case UNW_LOONGARCH64_R28:
+ return PERF_REG_LOONGARCH_R28;
+ case UNW_LOONGARCH64_R29:
+ return PERF_REG_LOONGARCH_R29;
+ case UNW_LOONGARCH64_R30:
+ return PERF_REG_LOONGARCH_R30;
+ case UNW_LOONGARCH64_R31:
+ return PERF_REG_LOONGARCH_R31;
+ case UNW_LOONGARCH64_PC:
+ return PERF_REG_LOONGARCH_PC;
+ default:
+ pr_err("unwind: invalid reg id %d\n", regnum);
+ return -EINVAL;
+ }
+
+ return -EINVAL;
+}
diff --git a/tools/perf/arch/mips/Build b/tools/perf/arch/mips/Build
index 1bb8bf6d7fd4..e63eabc2c8f4 100644
--- a/tools/perf/arch/mips/Build
+++ b/tools/perf/arch/mips/Build
@@ -1 +1 @@
-# empty
+perf-util-y += util/
diff --git a/tools/perf/arch/mips/annotate/instructions.c b/tools/perf/arch/mips/annotate/instructions.c
new file mode 100644
index 000000000000..b50b46c613d6
--- /dev/null
+++ b/tools/perf/arch/mips/annotate/instructions.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+
+static
+struct ins_ops *mips__associate_ins_ops(struct arch *arch, const char *name)
+{
+ struct ins_ops *ops = NULL;
+
+ if (!strncmp(name, "bal", 3) ||
+ !strncmp(name, "bgezal", 6) ||
+ !strncmp(name, "bltzal", 6) ||
+ !strncmp(name, "bgtzal", 6) ||
+ !strncmp(name, "blezal", 6) ||
+ !strncmp(name, "beqzal", 6) ||
+ !strncmp(name, "bnezal", 6) ||
+ !strncmp(name, "bgtzl", 5) ||
+ !strncmp(name, "bltzl", 5) ||
+ !strncmp(name, "bgezl", 5) ||
+ !strncmp(name, "blezl", 5) ||
+ !strncmp(name, "jialc", 5) ||
+ !strncmp(name, "beql", 4) ||
+ !strncmp(name, "bnel", 4) ||
+ !strncmp(name, "jal", 3))
+ ops = &call_ops;
+ else if (!strncmp(name, "jr", 2))
+ ops = &ret_ops;
+ else if (name[0] == 'j' || name[0] == 'b')
+ ops = &jump_ops;
+ else
+ return NULL;
+
+ arch__associate_ins_ops(arch, name, ops);
+
+ return ops;
+}
+
+static
+int mips__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+ if (!arch->initialized) {
+ arch->associate_instruction_ops = mips__associate_ins_ops;
+ arch->initialized = true;
+ arch->objdump.comment_char = '#';
+ arch->e_machine = EM_MIPS;
+ arch->e_flags = 0;
+ }
+
+ return 0;
+}
diff --git a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
new file mode 100644
index 000000000000..7a7049c2c307
--- /dev/null
+++ b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
@@ -0,0 +1,386 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for mips
+#
+# The format is:
+# <number> <abi> <name> <entry point>
+#
+# The <abi> is always "n64" for this file.
+#
+0 n64 read sys_read
+1 n64 write sys_write
+2 n64 open sys_open
+3 n64 close sys_close
+4 n64 stat sys_newstat
+5 n64 fstat sys_newfstat
+6 n64 lstat sys_newlstat
+7 n64 poll sys_poll
+8 n64 lseek sys_lseek
+9 n64 mmap sys_mips_mmap
+10 n64 mprotect sys_mprotect
+11 n64 munmap sys_munmap
+12 n64 brk sys_brk
+13 n64 rt_sigaction sys_rt_sigaction
+14 n64 rt_sigprocmask sys_rt_sigprocmask
+15 n64 ioctl sys_ioctl
+16 n64 pread64 sys_pread64
+17 n64 pwrite64 sys_pwrite64
+18 n64 readv sys_readv
+19 n64 writev sys_writev
+20 n64 access sys_access
+21 n64 pipe sysm_pipe
+22 n64 _newselect sys_select
+23 n64 sched_yield sys_sched_yield
+24 n64 mremap sys_mremap
+25 n64 msync sys_msync
+26 n64 mincore sys_mincore
+27 n64 madvise sys_madvise
+28 n64 shmget sys_shmget
+29 n64 shmat sys_shmat
+30 n64 shmctl sys_old_shmctl
+31 n64 dup sys_dup
+32 n64 dup2 sys_dup2
+33 n64 pause sys_pause
+34 n64 nanosleep sys_nanosleep
+35 n64 getitimer sys_getitimer
+36 n64 setitimer sys_setitimer
+37 n64 alarm sys_alarm
+38 n64 getpid sys_getpid
+39 n64 sendfile sys_sendfile64
+40 n64 socket sys_socket
+41 n64 connect sys_connect
+42 n64 accept sys_accept
+43 n64 sendto sys_sendto
+44 n64 recvfrom sys_recvfrom
+45 n64 sendmsg sys_sendmsg
+46 n64 recvmsg sys_recvmsg
+47 n64 shutdown sys_shutdown
+48 n64 bind sys_bind
+49 n64 listen sys_listen
+50 n64 getsockname sys_getsockname
+51 n64 getpeername sys_getpeername
+52 n64 socketpair sys_socketpair
+53 n64 setsockopt sys_setsockopt
+54 n64 getsockopt sys_getsockopt
+55 n64 clone __sys_clone
+56 n64 fork __sys_fork
+57 n64 execve sys_execve
+58 n64 exit sys_exit
+59 n64 wait4 sys_wait4
+60 n64 kill sys_kill
+61 n64 uname sys_newuname
+62 n64 semget sys_semget
+63 n64 semop sys_semop
+64 n64 semctl sys_old_semctl
+65 n64 shmdt sys_shmdt
+66 n64 msgget sys_msgget
+67 n64 msgsnd sys_msgsnd
+68 n64 msgrcv sys_msgrcv
+69 n64 msgctl sys_old_msgctl
+70 n64 fcntl sys_fcntl
+71 n64 flock sys_flock
+72 n64 fsync sys_fsync
+73 n64 fdatasync sys_fdatasync
+74 n64 truncate sys_truncate
+75 n64 ftruncate sys_ftruncate
+76 n64 getdents sys_getdents
+77 n64 getcwd sys_getcwd
+78 n64 chdir sys_chdir
+79 n64 fchdir sys_fchdir
+80 n64 rename sys_rename
+81 n64 mkdir sys_mkdir
+82 n64 rmdir sys_rmdir
+83 n64 creat sys_creat
+84 n64 link sys_link
+85 n64 unlink sys_unlink
+86 n64 symlink sys_symlink
+87 n64 readlink sys_readlink
+88 n64 chmod sys_chmod
+89 n64 fchmod sys_fchmod
+90 n64 chown sys_chown
+91 n64 fchown sys_fchown
+92 n64 lchown sys_lchown
+93 n64 umask sys_umask
+94 n64 gettimeofday sys_gettimeofday
+95 n64 getrlimit sys_getrlimit
+96 n64 getrusage sys_getrusage
+97 n64 sysinfo sys_sysinfo
+98 n64 times sys_times
+99 n64 ptrace sys_ptrace
+100 n64 getuid sys_getuid
+101 n64 syslog sys_syslog
+102 n64 getgid sys_getgid
+103 n64 setuid sys_setuid
+104 n64 setgid sys_setgid
+105 n64 geteuid sys_geteuid
+106 n64 getegid sys_getegid
+107 n64 setpgid sys_setpgid
+108 n64 getppid sys_getppid
+109 n64 getpgrp sys_getpgrp
+110 n64 setsid sys_setsid
+111 n64 setreuid sys_setreuid
+112 n64 setregid sys_setregid
+113 n64 getgroups sys_getgroups
+114 n64 setgroups sys_setgroups
+115 n64 setresuid sys_setresuid
+116 n64 getresuid sys_getresuid
+117 n64 setresgid sys_setresgid
+118 n64 getresgid sys_getresgid
+119 n64 getpgid sys_getpgid
+120 n64 setfsuid sys_setfsuid
+121 n64 setfsgid sys_setfsgid
+122 n64 getsid sys_getsid
+123 n64 capget sys_capget
+124 n64 capset sys_capset
+125 n64 rt_sigpending sys_rt_sigpending
+126 n64 rt_sigtimedwait sys_rt_sigtimedwait
+127 n64 rt_sigqueueinfo sys_rt_sigqueueinfo
+128 n64 rt_sigsuspend sys_rt_sigsuspend
+129 n64 sigaltstack sys_sigaltstack
+130 n64 utime sys_utime
+131 n64 mknod sys_mknod
+132 n64 personality sys_personality
+133 n64 ustat sys_ustat
+134 n64 statfs sys_statfs
+135 n64 fstatfs sys_fstatfs
+136 n64 sysfs sys_sysfs
+137 n64 getpriority sys_getpriority
+138 n64 setpriority sys_setpriority
+139 n64 sched_setparam sys_sched_setparam
+140 n64 sched_getparam sys_sched_getparam
+141 n64 sched_setscheduler sys_sched_setscheduler
+142 n64 sched_getscheduler sys_sched_getscheduler
+143 n64 sched_get_priority_max sys_sched_get_priority_max
+144 n64 sched_get_priority_min sys_sched_get_priority_min
+145 n64 sched_rr_get_interval sys_sched_rr_get_interval
+146 n64 mlock sys_mlock
+147 n64 munlock sys_munlock
+148 n64 mlockall sys_mlockall
+149 n64 munlockall sys_munlockall
+150 n64 vhangup sys_vhangup
+151 n64 pivot_root sys_pivot_root
+152 n64 _sysctl sys_ni_syscall
+153 n64 prctl sys_prctl
+154 n64 adjtimex sys_adjtimex
+155 n64 setrlimit sys_setrlimit
+156 n64 chroot sys_chroot
+157 n64 sync sys_sync
+158 n64 acct sys_acct
+159 n64 settimeofday sys_settimeofday
+160 n64 mount sys_mount
+161 n64 umount2 sys_umount
+162 n64 swapon sys_swapon
+163 n64 swapoff sys_swapoff
+164 n64 reboot sys_reboot
+165 n64 sethostname sys_sethostname
+166 n64 setdomainname sys_setdomainname
+167 n64 create_module sys_ni_syscall
+168 n64 init_module sys_init_module
+169 n64 delete_module sys_delete_module
+170 n64 get_kernel_syms sys_ni_syscall
+171 n64 query_module sys_ni_syscall
+172 n64 quotactl sys_quotactl
+173 n64 nfsservctl sys_ni_syscall
+174 n64 getpmsg sys_ni_syscall
+175 n64 putpmsg sys_ni_syscall
+176 n64 afs_syscall sys_ni_syscall
+# 177 reserved for security
+177 n64 reserved177 sys_ni_syscall
+178 n64 gettid sys_gettid
+179 n64 readahead sys_readahead
+180 n64 setxattr sys_setxattr
+181 n64 lsetxattr sys_lsetxattr
+182 n64 fsetxattr sys_fsetxattr
+183 n64 getxattr sys_getxattr
+184 n64 lgetxattr sys_lgetxattr
+185 n64 fgetxattr sys_fgetxattr
+186 n64 listxattr sys_listxattr
+187 n64 llistxattr sys_llistxattr
+188 n64 flistxattr sys_flistxattr
+189 n64 removexattr sys_removexattr
+190 n64 lremovexattr sys_lremovexattr
+191 n64 fremovexattr sys_fremovexattr
+192 n64 tkill sys_tkill
+193 n64 reserved193 sys_ni_syscall
+194 n64 futex sys_futex
+195 n64 sched_setaffinity sys_sched_setaffinity
+196 n64 sched_getaffinity sys_sched_getaffinity
+197 n64 cacheflush sys_cacheflush
+198 n64 cachectl sys_cachectl
+199 n64 sysmips __sys_sysmips
+200 n64 io_setup sys_io_setup
+201 n64 io_destroy sys_io_destroy
+202 n64 io_getevents sys_io_getevents
+203 n64 io_submit sys_io_submit
+204 n64 io_cancel sys_io_cancel
+205 n64 exit_group sys_exit_group
+206 n64 lookup_dcookie sys_ni_syscall
+207 n64 epoll_create sys_epoll_create
+208 n64 epoll_ctl sys_epoll_ctl
+209 n64 epoll_wait sys_epoll_wait
+210 n64 remap_file_pages sys_remap_file_pages
+211 n64 rt_sigreturn sys_rt_sigreturn
+212 n64 set_tid_address sys_set_tid_address
+213 n64 restart_syscall sys_restart_syscall
+214 n64 semtimedop sys_semtimedop
+215 n64 fadvise64 sys_fadvise64_64
+216 n64 timer_create sys_timer_create
+217 n64 timer_settime sys_timer_settime
+218 n64 timer_gettime sys_timer_gettime
+219 n64 timer_getoverrun sys_timer_getoverrun
+220 n64 timer_delete sys_timer_delete
+221 n64 clock_settime sys_clock_settime
+222 n64 clock_gettime sys_clock_gettime
+223 n64 clock_getres sys_clock_getres
+224 n64 clock_nanosleep sys_clock_nanosleep
+225 n64 tgkill sys_tgkill
+226 n64 utimes sys_utimes
+227 n64 mbind sys_mbind
+228 n64 get_mempolicy sys_get_mempolicy
+229 n64 set_mempolicy sys_set_mempolicy
+230 n64 mq_open sys_mq_open
+231 n64 mq_unlink sys_mq_unlink
+232 n64 mq_timedsend sys_mq_timedsend
+233 n64 mq_timedreceive sys_mq_timedreceive
+234 n64 mq_notify sys_mq_notify
+235 n64 mq_getsetattr sys_mq_getsetattr
+236 n64 vserver sys_ni_syscall
+237 n64 waitid sys_waitid
+# 238 was sys_setaltroot
+239 n64 add_key sys_add_key
+240 n64 request_key sys_request_key
+241 n64 keyctl sys_keyctl
+242 n64 set_thread_area sys_set_thread_area
+243 n64 inotify_init sys_inotify_init
+244 n64 inotify_add_watch sys_inotify_add_watch
+245 n64 inotify_rm_watch sys_inotify_rm_watch
+246 n64 migrate_pages sys_migrate_pages
+247 n64 openat sys_openat
+248 n64 mkdirat sys_mkdirat
+249 n64 mknodat sys_mknodat
+250 n64 fchownat sys_fchownat
+251 n64 futimesat sys_futimesat
+252 n64 newfstatat sys_newfstatat
+253 n64 unlinkat sys_unlinkat
+254 n64 renameat sys_renameat
+255 n64 linkat sys_linkat
+256 n64 symlinkat sys_symlinkat
+257 n64 readlinkat sys_readlinkat
+258 n64 fchmodat sys_fchmodat
+259 n64 faccessat sys_faccessat
+260 n64 pselect6 sys_pselect6
+261 n64 ppoll sys_ppoll
+262 n64 unshare sys_unshare
+263 n64 splice sys_splice
+264 n64 sync_file_range sys_sync_file_range
+265 n64 tee sys_tee
+266 n64 vmsplice sys_vmsplice
+267 n64 move_pages sys_move_pages
+268 n64 set_robust_list sys_set_robust_list
+269 n64 get_robust_list sys_get_robust_list
+270 n64 kexec_load sys_kexec_load
+271 n64 getcpu sys_getcpu
+272 n64 epoll_pwait sys_epoll_pwait
+273 n64 ioprio_set sys_ioprio_set
+274 n64 ioprio_get sys_ioprio_get
+275 n64 utimensat sys_utimensat
+276 n64 signalfd sys_signalfd
+277 n64 timerfd sys_ni_syscall
+278 n64 eventfd sys_eventfd
+279 n64 fallocate sys_fallocate
+280 n64 timerfd_create sys_timerfd_create
+281 n64 timerfd_gettime sys_timerfd_gettime
+282 n64 timerfd_settime sys_timerfd_settime
+283 n64 signalfd4 sys_signalfd4
+284 n64 eventfd2 sys_eventfd2
+285 n64 epoll_create1 sys_epoll_create1
+286 n64 dup3 sys_dup3
+287 n64 pipe2 sys_pipe2
+288 n64 inotify_init1 sys_inotify_init1
+289 n64 preadv sys_preadv
+290 n64 pwritev sys_pwritev
+291 n64 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
+292 n64 perf_event_open sys_perf_event_open
+293 n64 accept4 sys_accept4
+294 n64 recvmmsg sys_recvmmsg
+295 n64 fanotify_init sys_fanotify_init
+296 n64 fanotify_mark sys_fanotify_mark
+297 n64 prlimit64 sys_prlimit64
+298 n64 name_to_handle_at sys_name_to_handle_at
+299 n64 open_by_handle_at sys_open_by_handle_at
+300 n64 clock_adjtime sys_clock_adjtime
+301 n64 syncfs sys_syncfs
+302 n64 sendmmsg sys_sendmmsg
+303 n64 setns sys_setns
+304 n64 process_vm_readv sys_process_vm_readv
+305 n64 process_vm_writev sys_process_vm_writev
+306 n64 kcmp sys_kcmp
+307 n64 finit_module sys_finit_module
+308 n64 getdents64 sys_getdents64
+309 n64 sched_setattr sys_sched_setattr
+310 n64 sched_getattr sys_sched_getattr
+311 n64 renameat2 sys_renameat2
+312 n64 seccomp sys_seccomp
+313 n64 getrandom sys_getrandom
+314 n64 memfd_create sys_memfd_create
+315 n64 bpf sys_bpf
+316 n64 execveat sys_execveat
+317 n64 userfaultfd sys_userfaultfd
+318 n64 membarrier sys_membarrier
+319 n64 mlock2 sys_mlock2
+320 n64 copy_file_range sys_copy_file_range
+321 n64 preadv2 sys_preadv2
+322 n64 pwritev2 sys_pwritev2
+323 n64 pkey_mprotect sys_pkey_mprotect
+324 n64 pkey_alloc sys_pkey_alloc
+325 n64 pkey_free sys_pkey_free
+326 n64 statx sys_statx
+327 n64 rseq sys_rseq
+328 n64 io_pgetevents sys_io_pgetevents
+# 329 through 423 are reserved to sync up with other architectures
+424 n64 pidfd_send_signal sys_pidfd_send_signal
+425 n64 io_uring_setup sys_io_uring_setup
+426 n64 io_uring_enter sys_io_uring_enter
+427 n64 io_uring_register sys_io_uring_register
+428 n64 open_tree sys_open_tree
+429 n64 move_mount sys_move_mount
+430 n64 fsopen sys_fsopen
+431 n64 fsconfig sys_fsconfig
+432 n64 fsmount sys_fsmount
+433 n64 fspick sys_fspick
+434 n64 pidfd_open sys_pidfd_open
+435 n64 clone3 __sys_clone3
+436 n64 close_range sys_close_range
+437 n64 openat2 sys_openat2
+438 n64 pidfd_getfd sys_pidfd_getfd
+439 n64 faccessat2 sys_faccessat2
+440 n64 process_madvise sys_process_madvise
+441 n64 epoll_pwait2 sys_epoll_pwait2
+442 n64 mount_setattr sys_mount_setattr
+443 n64 quotactl_fd sys_quotactl_fd
+444 n64 landlock_create_ruleset sys_landlock_create_ruleset
+445 n64 landlock_add_rule sys_landlock_add_rule
+446 n64 landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 n64 process_mrelease sys_process_mrelease
+449 n64 futex_waitv sys_futex_waitv
+450 common set_mempolicy_home_node sys_set_mempolicy_home_node
+451 n64 cachestat sys_cachestat
+452 n64 fchmodat2 sys_fchmodat2
+453 n64 map_shadow_stack sys_map_shadow_stack
+454 n64 futex_wake sys_futex_wake
+455 n64 futex_wait sys_futex_wait
+456 n64 futex_requeue sys_futex_requeue
+457 n64 statmount sys_statmount
+458 n64 listmount sys_listmount
+459 n64 lsm_get_self_attr sys_lsm_get_self_attr
+460 n64 lsm_set_self_attr sys_lsm_set_self_attr
+461 n64 lsm_list_modules sys_lsm_list_modules
+462 n64 mseal sys_mseal
+463 n64 setxattrat sys_setxattrat
+464 n64 getxattrat sys_getxattrat
+465 n64 listxattrat sys_listxattrat
+466 n64 removexattrat sys_removexattrat
+467 n64 open_tree_attr sys_open_tree_attr
+468 n64 file_getattr sys_file_getattr
+469 n64 file_setattr sys_file_setattr
diff --git a/tools/perf/arch/mips/include/dwarf-regs-table.h b/tools/perf/arch/mips/include/dwarf-regs-table.h
new file mode 100644
index 000000000000..5badbcd3c5ec
--- /dev/null
+++ b/tools/perf/arch/mips/include/dwarf-regs-table.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * dwarf-regs-table.h : Mapping of DWARF debug register numbers into
+ * register names.
+ *
+ * Copyright (C) 2013 Cavium, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifdef DEFINE_DWARF_REGSTR_TABLE
+#undef REG_DWARFNUM_NAME
+#define REG_DWARFNUM_NAME(reg, idx) [idx] = "$" #reg
+static const char * const mips_regstr_tbl[] = {
+ "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9",
+ "$10", "$11", "$12", "$13", "$14", "$15", "$16", "$17", "$18", "$19",
+ "$20", "$21", "$22", "$23", "$24", "$25", "$26", "$27", "$28", "%29",
+ "$30", "$31",
+ REG_DWARFNUM_NAME(hi, 64),
+ REG_DWARFNUM_NAME(lo, 65),
+};
+#endif
diff --git a/tools/perf/arch/mips/include/perf_regs.h b/tools/perf/arch/mips/include/perf_regs.h
new file mode 100644
index 000000000000..7082e91e0ed1
--- /dev/null
+++ b/tools/perf/arch/mips/include/perf_regs.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ARCH_PERF_REGS_H
+#define ARCH_PERF_REGS_H
+
+#include <stdlib.h>
+#include <linux/types.h>
+#include <asm/perf_regs.h>
+
+#define PERF_REGS_MAX PERF_REG_MIPS_MAX
+
+#define PERF_REGS_MASK ((1ULL << PERF_REG_MIPS_MAX) - 1)
+
+#endif /* ARCH_PERF_REGS_H */
diff --git a/tools/perf/arch/mips/util/Build b/tools/perf/arch/mips/util/Build
new file mode 100644
index 000000000000..691fa2051958
--- /dev/null
+++ b/tools/perf/arch/mips/util/Build
@@ -0,0 +1,2 @@
+perf-util-y += perf_regs.o
+perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
diff --git a/tools/perf/arch/mips/util/perf_regs.c b/tools/perf/arch/mips/util/perf_regs.c
new file mode 100644
index 000000000000..6b1665f41180
--- /dev/null
+++ b/tools/perf/arch/mips/util/perf_regs.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "perf_regs.h"
+#include "../../util/perf_regs.h"
+
+static const struct sample_reg sample_reg_masks[] = {
+ SMPL_REG_END
+};
+
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+const struct sample_reg *arch__sample_reg_masks(void)
+{
+ return sample_reg_masks;
+}
diff --git a/tools/perf/arch/mips/util/unwind-libunwind.c b/tools/perf/arch/mips/util/unwind-libunwind.c
new file mode 100644
index 000000000000..0d8c99c29da6
--- /dev/null
+++ b/tools/perf/arch/mips/util/unwind-libunwind.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <errno.h>
+#include <libunwind.h>
+#include "perf_regs.h"
+#include "../../util/unwind.h"
+#include "util/debug.h"
+
+int libunwind__arch_reg_id(int regnum)
+{
+ switch (regnum) {
+ case UNW_MIPS_R1 ... UNW_MIPS_R25:
+ return regnum - UNW_MIPS_R1 + PERF_REG_MIPS_R1;
+ case UNW_MIPS_R28 ... UNW_MIPS_R31:
+ return regnum - UNW_MIPS_R28 + PERF_REG_MIPS_R28;
+ case UNW_MIPS_PC:
+ return PERF_REG_MIPS_PC;
+ default:
+ pr_err("unwind: invalid reg id %d\n", regnum);
+ return -EINVAL;
+ }
+}
diff --git a/tools/perf/arch/parisc/entry/syscalls/syscall.tbl b/tools/perf/arch/parisc/entry/syscalls/syscall.tbl
new file mode 100644
index 000000000000..66dc406b12e4
--- /dev/null
+++ b/tools/perf/arch/parisc/entry/syscalls/syscall.tbl
@@ -0,0 +1,463 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for parisc
+#
+# The format is:
+# <number> <abi> <name> <entry point> <compat entry point>
+#
+# The <abi> can be common, 64, or 32 for this file.
+#
+0 common restart_syscall sys_restart_syscall
+1 common exit sys_exit
+2 common fork sys_fork_wrapper
+3 common read sys_read
+4 common write sys_write
+5 common open sys_open compat_sys_open
+6 common close sys_close
+7 common waitpid sys_waitpid
+8 common creat sys_creat
+9 common link sys_link
+10 common unlink sys_unlink
+11 common execve sys_execve compat_sys_execve
+12 common chdir sys_chdir
+13 32 time sys_time32
+13 64 time sys_time
+14 common mknod sys_mknod
+15 common chmod sys_chmod
+16 common lchown sys_lchown
+17 common socket sys_socket
+18 common stat sys_newstat compat_sys_newstat
+19 common lseek sys_lseek compat_sys_lseek
+20 common getpid sys_getpid
+21 common mount sys_mount
+22 common bind sys_bind
+23 common setuid sys_setuid
+24 common getuid sys_getuid
+25 32 stime sys_stime32
+25 64 stime sys_stime
+26 common ptrace sys_ptrace compat_sys_ptrace
+27 common alarm sys_alarm
+28 common fstat sys_newfstat compat_sys_newfstat
+29 common pause sys_pause
+30 32 utime sys_utime32
+30 64 utime sys_utime
+31 common connect sys_connect
+32 common listen sys_listen
+33 common access sys_access
+34 common nice sys_nice
+35 common accept sys_accept
+36 common sync sys_sync
+37 common kill sys_kill
+38 common rename sys_rename
+39 common mkdir sys_mkdir
+40 common rmdir sys_rmdir
+41 common dup sys_dup
+42 common pipe sys_pipe
+43 common times sys_times compat_sys_times
+44 common getsockname sys_getsockname
+45 common brk sys_brk
+46 common setgid sys_setgid
+47 common getgid sys_getgid
+48 common signal sys_signal
+49 common geteuid sys_geteuid
+50 common getegid sys_getegid
+51 common acct sys_acct
+52 common umount2 sys_umount
+53 common getpeername sys_getpeername
+54 common ioctl sys_ioctl compat_sys_ioctl
+55 common fcntl sys_fcntl compat_sys_fcntl
+56 common socketpair sys_socketpair
+57 common setpgid sys_setpgid
+58 common send sys_send
+59 common uname sys_newuname
+60 common umask sys_umask
+61 common chroot sys_chroot
+62 common ustat sys_ustat compat_sys_ustat
+63 common dup2 sys_dup2
+64 common getppid sys_getppid
+65 common getpgrp sys_getpgrp
+66 common setsid sys_setsid
+67 common pivot_root sys_pivot_root
+68 common sgetmask sys_sgetmask sys32_unimplemented
+69 common ssetmask sys_ssetmask sys32_unimplemented
+70 common setreuid sys_setreuid
+71 common setregid sys_setregid
+72 common mincore sys_mincore
+73 common sigpending sys_sigpending compat_sys_sigpending
+74 common sethostname sys_sethostname
+75 common setrlimit sys_setrlimit compat_sys_setrlimit
+76 common getrlimit sys_getrlimit compat_sys_getrlimit
+77 common getrusage sys_getrusage compat_sys_getrusage
+78 common gettimeofday sys_gettimeofday compat_sys_gettimeofday
+79 common settimeofday sys_settimeofday compat_sys_settimeofday
+80 common getgroups sys_getgroups
+81 common setgroups sys_setgroups
+82 common sendto sys_sendto
+83 common symlink sys_symlink
+84 common lstat sys_newlstat compat_sys_newlstat
+85 common readlink sys_readlink
+86 common uselib sys_ni_syscall
+87 common swapon sys_swapon
+88 common reboot sys_reboot
+89 common mmap2 sys_mmap2
+90 common mmap sys_mmap
+91 common munmap sys_munmap
+92 common truncate sys_truncate compat_sys_truncate
+93 common ftruncate sys_ftruncate compat_sys_ftruncate
+94 common fchmod sys_fchmod
+95 common fchown sys_fchown
+96 common getpriority sys_getpriority
+97 common setpriority sys_setpriority
+98 common recv sys_recv compat_sys_recv
+99 common statfs sys_statfs compat_sys_statfs
+100 common fstatfs sys_fstatfs compat_sys_fstatfs
+101 common stat64 sys_stat64
+# 102 was socketcall
+103 common syslog sys_syslog
+104 common setitimer sys_setitimer compat_sys_setitimer
+105 common getitimer sys_getitimer compat_sys_getitimer
+106 common capget sys_capget
+107 common capset sys_capset
+108 32 pread64 parisc_pread64
+108 64 pread64 sys_pread64
+109 32 pwrite64 parisc_pwrite64
+109 64 pwrite64 sys_pwrite64
+110 common getcwd sys_getcwd
+111 common vhangup sys_vhangup
+112 common fstat64 sys_fstat64
+113 common vfork sys_vfork_wrapper
+114 common wait4 sys_wait4 compat_sys_wait4
+115 common swapoff sys_swapoff
+116 common sysinfo sys_sysinfo compat_sys_sysinfo
+117 common shutdown sys_shutdown
+118 common fsync sys_fsync
+119 common madvise parisc_madvise
+120 common clone sys_clone_wrapper
+121 common setdomainname sys_setdomainname
+122 common sendfile sys_sendfile compat_sys_sendfile
+123 common recvfrom sys_recvfrom compat_sys_recvfrom
+124 32 adjtimex sys_adjtimex_time32
+124 64 adjtimex sys_adjtimex
+125 common mprotect sys_mprotect
+126 common sigprocmask sys_sigprocmask compat_sys_sigprocmask
+# 127 was create_module
+128 common init_module sys_init_module
+129 common delete_module sys_delete_module
+# 130 was get_kernel_syms
+131 common quotactl sys_quotactl
+132 common getpgid sys_getpgid
+133 common fchdir sys_fchdir
+134 common bdflush sys_ni_syscall
+135 common sysfs sys_sysfs
+136 32 personality parisc_personality
+136 64 personality sys_personality
+# 137 was afs_syscall
+138 common setfsuid sys_setfsuid
+139 common setfsgid sys_setfsgid
+140 common _llseek sys_llseek
+141 common getdents sys_getdents compat_sys_getdents
+142 common _newselect sys_select compat_sys_select
+143 common flock sys_flock
+144 common msync sys_msync
+145 common readv sys_readv
+146 common writev sys_writev
+147 common getsid sys_getsid
+148 common fdatasync sys_fdatasync
+149 common _sysctl sys_ni_syscall
+150 common mlock sys_mlock
+151 common munlock sys_munlock
+152 common mlockall sys_mlockall
+153 common munlockall sys_munlockall
+154 common sched_setparam sys_sched_setparam
+155 common sched_getparam sys_sched_getparam
+156 common sched_setscheduler sys_sched_setscheduler
+157 common sched_getscheduler sys_sched_getscheduler
+158 common sched_yield sys_sched_yield
+159 common sched_get_priority_max sys_sched_get_priority_max
+160 common sched_get_priority_min sys_sched_get_priority_min
+161 32 sched_rr_get_interval sys_sched_rr_get_interval_time32
+161 64 sched_rr_get_interval sys_sched_rr_get_interval
+162 32 nanosleep sys_nanosleep_time32
+162 64 nanosleep sys_nanosleep
+163 common mremap sys_mremap
+164 common setresuid sys_setresuid
+165 common getresuid sys_getresuid
+166 common sigaltstack sys_sigaltstack compat_sys_sigaltstack
+# 167 was query_module
+168 common poll sys_poll
+# 169 was nfsservctl
+170 common setresgid sys_setresgid
+171 common getresgid sys_getresgid
+172 common prctl sys_prctl
+173 common rt_sigreturn sys_rt_sigreturn_wrapper
+174 common rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction
+175 common rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask
+176 common rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending
+177 32 rt_sigtimedwait sys_rt_sigtimedwait_time32 compat_sys_rt_sigtimedwait_time32
+177 64 rt_sigtimedwait sys_rt_sigtimedwait
+178 common rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo
+179 common rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend
+180 common chown sys_chown
+181 common setsockopt sys_setsockopt sys_setsockopt
+182 common getsockopt sys_getsockopt sys_getsockopt
+183 common sendmsg sys_sendmsg compat_sys_sendmsg
+184 common recvmsg sys_recvmsg compat_sys_recvmsg
+185 common semop sys_semop
+186 common semget sys_semget
+187 common semctl sys_semctl compat_sys_semctl
+188 common msgsnd sys_msgsnd compat_sys_msgsnd
+189 common msgrcv sys_msgrcv compat_sys_msgrcv
+190 common msgget sys_msgget
+191 common msgctl sys_msgctl compat_sys_msgctl
+192 common shmat sys_shmat compat_sys_shmat
+193 common shmdt sys_shmdt
+194 common shmget sys_shmget
+195 common shmctl sys_shmctl compat_sys_shmctl
+# 196 was getpmsg
+# 197 was putpmsg
+198 common lstat64 sys_lstat64
+199 32 truncate64 parisc_truncate64
+199 64 truncate64 sys_truncate64
+200 32 ftruncate64 parisc_ftruncate64
+200 64 ftruncate64 sys_ftruncate64
+201 common getdents64 sys_getdents64
+202 common fcntl64 sys_fcntl64 compat_sys_fcntl64
+# 203 was attrctl
+# 204 was acl_get
+# 205 was acl_set
+206 common gettid sys_gettid
+207 32 readahead parisc_readahead
+207 64 readahead sys_readahead
+208 common tkill sys_tkill
+209 common sendfile64 sys_sendfile64 compat_sys_sendfile64
+210 32 futex sys_futex_time32
+210 64 futex sys_futex
+211 common sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity
+212 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity
+# 213 was set_thread_area
+# 214 was get_thread_area
+215 common io_setup sys_io_setup compat_sys_io_setup
+216 common io_destroy sys_io_destroy
+217 32 io_getevents sys_io_getevents_time32
+217 64 io_getevents sys_io_getevents
+218 common io_submit sys_io_submit compat_sys_io_submit
+219 common io_cancel sys_io_cancel
+# 220 was alloc_hugepages
+# 221 was free_hugepages
+222 common exit_group sys_exit_group
+223 common lookup_dcookie sys_ni_syscall
+224 common epoll_create sys_epoll_create
+225 common epoll_ctl sys_epoll_ctl
+226 common epoll_wait sys_epoll_wait
+227 common remap_file_pages sys_remap_file_pages
+228 32 semtimedop sys_semtimedop_time32
+228 64 semtimedop sys_semtimedop
+229 common mq_open sys_mq_open compat_sys_mq_open
+230 common mq_unlink sys_mq_unlink
+231 32 mq_timedsend sys_mq_timedsend_time32
+231 64 mq_timedsend sys_mq_timedsend
+232 32 mq_timedreceive sys_mq_timedreceive_time32
+232 64 mq_timedreceive sys_mq_timedreceive
+233 common mq_notify sys_mq_notify compat_sys_mq_notify
+234 common mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr
+235 common waitid sys_waitid compat_sys_waitid
+236 32 fadvise64_64 parisc_fadvise64_64
+236 64 fadvise64_64 sys_fadvise64_64
+237 common set_tid_address sys_set_tid_address
+238 common setxattr sys_setxattr
+239 common lsetxattr sys_lsetxattr
+240 common fsetxattr sys_fsetxattr
+241 common getxattr sys_getxattr
+242 common lgetxattr sys_lgetxattr
+243 common fgetxattr sys_fgetxattr
+244 common listxattr sys_listxattr
+245 common llistxattr sys_llistxattr
+246 common flistxattr sys_flistxattr
+247 common removexattr sys_removexattr
+248 common lremovexattr sys_lremovexattr
+249 common fremovexattr sys_fremovexattr
+250 common timer_create sys_timer_create compat_sys_timer_create
+251 32 timer_settime sys_timer_settime32
+251 64 timer_settime sys_timer_settime
+252 32 timer_gettime sys_timer_gettime32
+252 64 timer_gettime sys_timer_gettime
+253 common timer_getoverrun sys_timer_getoverrun
+254 common timer_delete sys_timer_delete
+255 32 clock_settime sys_clock_settime32
+255 64 clock_settime sys_clock_settime
+256 32 clock_gettime sys_clock_gettime32
+256 64 clock_gettime sys_clock_gettime
+257 32 clock_getres sys_clock_getres_time32
+257 64 clock_getres sys_clock_getres
+258 32 clock_nanosleep sys_clock_nanosleep_time32
+258 64 clock_nanosleep sys_clock_nanosleep
+259 common tgkill sys_tgkill
+260 common mbind sys_mbind
+261 common get_mempolicy sys_get_mempolicy
+262 common set_mempolicy sys_set_mempolicy
+# 263 was vserver
+264 common add_key sys_add_key
+265 common request_key sys_request_key
+266 common keyctl sys_keyctl compat_sys_keyctl
+267 common ioprio_set sys_ioprio_set
+268 common ioprio_get sys_ioprio_get
+269 common inotify_init sys_inotify_init
+270 common inotify_add_watch sys_inotify_add_watch
+271 common inotify_rm_watch sys_inotify_rm_watch
+272 common migrate_pages sys_migrate_pages
+273 32 pselect6 sys_pselect6_time32 compat_sys_pselect6_time32
+273 64 pselect6 sys_pselect6
+274 32 ppoll sys_ppoll_time32 compat_sys_ppoll_time32
+274 64 ppoll sys_ppoll
+275 common openat sys_openat compat_sys_openat
+276 common mkdirat sys_mkdirat
+277 common mknodat sys_mknodat
+278 common fchownat sys_fchownat
+279 32 futimesat sys_futimesat_time32
+279 64 futimesat sys_futimesat
+280 common fstatat64 sys_fstatat64
+281 common unlinkat sys_unlinkat
+282 common renameat sys_renameat
+283 common linkat sys_linkat
+284 common symlinkat sys_symlinkat
+285 common readlinkat sys_readlinkat
+286 common fchmodat sys_fchmodat
+287 common faccessat sys_faccessat
+288 common unshare sys_unshare
+289 common set_robust_list sys_set_robust_list compat_sys_set_robust_list
+290 common get_robust_list sys_get_robust_list compat_sys_get_robust_list
+291 common splice sys_splice
+292 32 sync_file_range parisc_sync_file_range
+292 64 sync_file_range sys_sync_file_range
+293 common tee sys_tee
+294 common vmsplice sys_vmsplice
+295 common move_pages sys_move_pages
+296 common getcpu sys_getcpu
+297 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait
+298 common statfs64 sys_statfs64 compat_sys_statfs64
+299 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64
+300 common kexec_load sys_kexec_load compat_sys_kexec_load
+301 32 utimensat sys_utimensat_time32
+301 64 utimensat sys_utimensat
+302 common signalfd sys_signalfd compat_sys_signalfd
+# 303 was timerfd
+304 common eventfd sys_eventfd
+305 32 fallocate parisc_fallocate
+305 64 fallocate sys_fallocate
+306 common timerfd_create parisc_timerfd_create
+307 32 timerfd_settime sys_timerfd_settime32
+307 64 timerfd_settime sys_timerfd_settime
+308 32 timerfd_gettime sys_timerfd_gettime32
+308 64 timerfd_gettime sys_timerfd_gettime
+309 common signalfd4 parisc_signalfd4 parisc_compat_signalfd4
+310 common eventfd2 parisc_eventfd2
+311 common epoll_create1 sys_epoll_create1
+312 common dup3 sys_dup3
+313 common pipe2 parisc_pipe2
+314 common inotify_init1 parisc_inotify_init1
+315 common preadv sys_preadv compat_sys_preadv
+316 common pwritev sys_pwritev compat_sys_pwritev
+317 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
+318 common perf_event_open sys_perf_event_open
+319 32 recvmmsg sys_recvmmsg_time32 compat_sys_recvmmsg_time32
+319 64 recvmmsg sys_recvmmsg
+320 common accept4 sys_accept4
+321 common prlimit64 sys_prlimit64
+322 common fanotify_init sys_fanotify_init
+323 common fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark
+324 32 clock_adjtime sys_clock_adjtime32
+324 64 clock_adjtime sys_clock_adjtime
+325 common name_to_handle_at sys_name_to_handle_at
+326 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
+327 common syncfs sys_syncfs
+328 common setns sys_setns
+329 common sendmmsg sys_sendmmsg compat_sys_sendmmsg
+330 common process_vm_readv sys_process_vm_readv
+331 common process_vm_writev sys_process_vm_writev
+332 common kcmp sys_kcmp
+333 common finit_module sys_finit_module
+334 common sched_setattr sys_sched_setattr
+335 common sched_getattr sys_sched_getattr
+336 32 utimes sys_utimes_time32
+336 64 utimes sys_utimes
+337 common renameat2 sys_renameat2
+338 common seccomp sys_seccomp
+339 common getrandom sys_getrandom
+340 common memfd_create sys_memfd_create
+341 common bpf sys_bpf
+342 common execveat sys_execveat compat_sys_execveat
+343 common membarrier sys_membarrier
+344 common userfaultfd parisc_userfaultfd
+345 common mlock2 sys_mlock2
+346 common copy_file_range sys_copy_file_range
+347 common preadv2 sys_preadv2 compat_sys_preadv2
+348 common pwritev2 sys_pwritev2 compat_sys_pwritev2
+349 common statx sys_statx
+350 32 io_pgetevents sys_io_pgetevents_time32 compat_sys_io_pgetevents
+350 64 io_pgetevents sys_io_pgetevents
+351 common pkey_mprotect sys_pkey_mprotect
+352 common pkey_alloc sys_pkey_alloc
+353 common pkey_free sys_pkey_free
+354 common rseq sys_rseq
+355 common kexec_file_load sys_kexec_file_load sys_kexec_file_load
+356 common cacheflush sys_cacheflush
+# up to 402 is unassigned and reserved for arch specific syscalls
+403 32 clock_gettime64 sys_clock_gettime sys_clock_gettime
+404 32 clock_settime64 sys_clock_settime sys_clock_settime
+405 32 clock_adjtime64 sys_clock_adjtime sys_clock_adjtime
+406 32 clock_getres_time64 sys_clock_getres sys_clock_getres
+407 32 clock_nanosleep_time64 sys_clock_nanosleep sys_clock_nanosleep
+408 32 timer_gettime64 sys_timer_gettime sys_timer_gettime
+409 32 timer_settime64 sys_timer_settime sys_timer_settime
+410 32 timerfd_gettime64 sys_timerfd_gettime sys_timerfd_gettime
+411 32 timerfd_settime64 sys_timerfd_settime sys_timerfd_settime
+412 32 utimensat_time64 sys_utimensat sys_utimensat
+413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64
+414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64
+416 32 io_pgetevents_time64 sys_io_pgetevents compat_sys_io_pgetevents_time64
+417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64
+418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend
+419 32 mq_timedreceive_time64 sys_mq_timedreceive sys_mq_timedreceive
+420 32 semtimedop_time64 sys_semtimedop sys_semtimedop
+421 32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64
+422 32 futex_time64 sys_futex sys_futex
+423 32 sched_rr_get_interval_time64 sys_sched_rr_get_interval sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register
+428 common open_tree sys_open_tree
+429 common move_mount sys_move_mount
+430 common fsopen sys_fsopen
+431 common fsconfig sys_fsconfig
+432 common fsmount sys_fsmount
+433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
+435 common clone3 sys_clone3_wrapper
+436 common close_range sys_close_range
+437 common openat2 sys_openat2
+438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
+440 common process_madvise sys_process_madvise
+441 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
+442 common mount_setattr sys_mount_setattr
+443 common quotactl_fd sys_quotactl_fd
+444 common landlock_create_ruleset sys_landlock_create_ruleset
+445 common landlock_add_rule sys_landlock_add_rule
+446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
+449 common futex_waitv sys_futex_waitv
+450 common set_mempolicy_home_node sys_set_mempolicy_home_node
+451 common cachestat sys_cachestat
+452 common fchmodat2 sys_fchmodat2
+453 common map_shadow_stack sys_map_shadow_stack
+454 common futex_wake sys_futex_wake
+455 common futex_wait sys_futex_wait
+456 common futex_requeue sys_futex_requeue
+457 common statmount sys_statmount
+458 common listmount sys_listmount
+459 common lsm_get_self_attr sys_lsm_get_self_attr
+460 common lsm_set_self_attr sys_lsm_set_self_attr
+461 common lsm_list_modules sys_lsm_list_modules
+462 common mseal sys_mseal
diff --git a/tools/perf/arch/powerpc/Build b/tools/perf/arch/powerpc/Build
index db52fa22d3a1..12ebc65ea7a3 100644
--- a/tools/perf/arch/powerpc/Build
+++ b/tools/perf/arch/powerpc/Build
@@ -1,2 +1,2 @@
-libperf-y += util/
-libperf-y += tests/
+perf-util-y += util/
+perf-test-y += tests/
diff --git a/tools/perf/arch/powerpc/Makefile b/tools/perf/arch/powerpc/Makefile
index cc3930904d68..a295a80ea078 100644
--- a/tools/perf/arch/powerpc/Makefile
+++ b/tools/perf/arch/powerpc/Makefile
@@ -1,7 +1,3 @@
-ifndef NO_DWARF
-PERF_HAVE_DWARF_REGS := 1
-endif
-
+# SPDX-License-Identifier: GPL-2.0
HAVE_KVM_STAT_SUPPORT := 1
-PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1
PERF_HAVE_JITDUMP := 1
diff --git a/tools/perf/arch/powerpc/annotate/instructions.c b/tools/perf/arch/powerpc/annotate/instructions.c
index 3c4004db81b9..ca567cfdcbdb 100644
--- a/tools/perf/arch/powerpc/annotate/instructions.c
+++ b/tools/perf/arch/powerpc/annotate/instructions.c
@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/compiler.h>
+
static struct ins_ops *powerpc__associate_instruction_ops(struct arch *arch, const char *name)
{
int i;
@@ -46,12 +49,268 @@ static struct ins_ops *powerpc__associate_instruction_ops(struct arch *arch, con
return ops;
}
-static int powerpc__annotate_init(struct arch *arch)
+#define PPC_OP(op) (((op) >> 26) & 0x3F)
+#define PPC_21_30(R) (((R) >> 1) & 0x3ff)
+#define PPC_22_30(R) (((R) >> 1) & 0x1ff)
+
+struct insn_offset {
+ const char *name;
+ int value;
+};
+
+/*
+ * There are memory instructions with opcode 31 which are
+ * of X Form, Example:
+ * ldx RT,RA,RB
+ * ______________________________________
+ * | 31 | RT | RA | RB | 21 |/|
+ * --------------------------------------
+ * 0 6 11 16 21 30 31
+ *
+ * But all instructions with opcode 31 are not memory.
+ * Example: add RT,RA,RB
+ *
+ * Use bits 21 to 30 to check memory insns with 31 as opcode.
+ * In ins_array below, for ldx instruction:
+ * name => OP_31_XOP_LDX
+ * value => 21
+ */
+
+static struct insn_offset ins_array[] = {
+ { .name = "OP_31_XOP_LXSIWZX", .value = 12, },
+ { .name = "OP_31_XOP_LWARX", .value = 20, },
+ { .name = "OP_31_XOP_LDX", .value = 21, },
+ { .name = "OP_31_XOP_LWZX", .value = 23, },
+ { .name = "OP_31_XOP_LDUX", .value = 53, },
+ { .name = "OP_31_XOP_LWZUX", .value = 55, },
+ { .name = "OP_31_XOP_LXSIWAX", .value = 76, },
+ { .name = "OP_31_XOP_LDARX", .value = 84, },
+ { .name = "OP_31_XOP_LBZX", .value = 87, },
+ { .name = "OP_31_XOP_LVX", .value = 103, },
+ { .name = "OP_31_XOP_LBZUX", .value = 119, },
+ { .name = "OP_31_XOP_STXSIWX", .value = 140, },
+ { .name = "OP_31_XOP_STDX", .value = 149, },
+ { .name = "OP_31_XOP_STWX", .value = 151, },
+ { .name = "OP_31_XOP_STDUX", .value = 181, },
+ { .name = "OP_31_XOP_STWUX", .value = 183, },
+ { .name = "OP_31_XOP_STBX", .value = 215, },
+ { .name = "OP_31_XOP_STVX", .value = 231, },
+ { .name = "OP_31_XOP_STBUX", .value = 247, },
+ { .name = "OP_31_XOP_LHZX", .value = 279, },
+ { .name = "OP_31_XOP_LHZUX", .value = 311, },
+ { .name = "OP_31_XOP_LXVDSX", .value = 332, },
+ { .name = "OP_31_XOP_LWAX", .value = 341, },
+ { .name = "OP_31_XOP_LHAX", .value = 343, },
+ { .name = "OP_31_XOP_LWAUX", .value = 373, },
+ { .name = "OP_31_XOP_LHAUX", .value = 375, },
+ { .name = "OP_31_XOP_STHX", .value = 407, },
+ { .name = "OP_31_XOP_STHUX", .value = 439, },
+ { .name = "OP_31_XOP_LXSSPX", .value = 524, },
+ { .name = "OP_31_XOP_LDBRX", .value = 532, },
+ { .name = "OP_31_XOP_LSWX", .value = 533, },
+ { .name = "OP_31_XOP_LWBRX", .value = 534, },
+ { .name = "OP_31_XOP_LFSUX", .value = 567, },
+ { .name = "OP_31_XOP_LXSDX", .value = 588, },
+ { .name = "OP_31_XOP_LSWI", .value = 597, },
+ { .name = "OP_31_XOP_LFDX", .value = 599, },
+ { .name = "OP_31_XOP_LFDUX", .value = 631, },
+ { .name = "OP_31_XOP_STXSSPX", .value = 652, },
+ { .name = "OP_31_XOP_STDBRX", .value = 660, },
+ { .name = "OP_31_XOP_STXWX", .value = 661, },
+ { .name = "OP_31_XOP_STWBRX", .value = 662, },
+ { .name = "OP_31_XOP_STFSX", .value = 663, },
+ { .name = "OP_31_XOP_STFSUX", .value = 695, },
+ { .name = "OP_31_XOP_STXSDX", .value = 716, },
+ { .name = "OP_31_XOP_STSWI", .value = 725, },
+ { .name = "OP_31_XOP_STFDX", .value = 727, },
+ { .name = "OP_31_XOP_STFDUX", .value = 759, },
+ { .name = "OP_31_XOP_LXVW4X", .value = 780, },
+ { .name = "OP_31_XOP_LHBRX", .value = 790, },
+ { .name = "OP_31_XOP_LXVD2X", .value = 844, },
+ { .name = "OP_31_XOP_LFIWAX", .value = 855, },
+ { .name = "OP_31_XOP_LFIWZX", .value = 887, },
+ { .name = "OP_31_XOP_STXVW4X", .value = 908, },
+ { .name = "OP_31_XOP_STHBRX", .value = 918, },
+ { .name = "OP_31_XOP_STXVD2X", .value = 972, },
+ { .name = "OP_31_XOP_STFIWX", .value = 983, },
+};
+
+/*
+ * Arithmetic instructions which are having opcode as 31.
+ * These instructions are tracked to save the register state
+ * changes. Example:
+ *
+ * lwz r10,264(r3)
+ * add r31, r3, r3
+ * lwz r9, 0(r31)
+ *
+ * Here instruction tracking needs to identify the "add"
+ * instruction and save data type of r3 to r31. If a sample
+ * is hit at next "lwz r9, 0(r31)", by this instruction tracking,
+ * data type of r31 can be resolved.
+ */
+static struct insn_offset arithmetic_ins_op_31[] = {
+ { .name = "SUB_CARRY_XO_FORM", .value = 8, },
+ { .name = "MUL_HDW_XO_FORM1", .value = 9, },
+ { .name = "ADD_CARRY_XO_FORM", .value = 10, },
+ { .name = "MUL_HW_XO_FORM1", .value = 11, },
+ { .name = "SUB_XO_FORM", .value = 40, },
+ { .name = "MUL_HDW_XO_FORM", .value = 73, },
+ { .name = "MUL_HW_XO_FORM", .value = 75, },
+ { .name = "SUB_EXT_XO_FORM", .value = 136, },
+ { .name = "ADD_EXT_XO_FORM", .value = 138, },
+ { .name = "SUB_ZERO_EXT_XO_FORM", .value = 200, },
+ { .name = "ADD_ZERO_EXT_XO_FORM", .value = 202, },
+ { .name = "SUB_EXT_XO_FORM2", .value = 232, },
+ { .name = "MUL_DW_XO_FORM", .value = 233, },
+ { .name = "ADD_EXT_XO_FORM2", .value = 234, },
+ { .name = "MUL_W_XO_FORM", .value = 235, },
+ { .name = "ADD_XO_FORM", .value = 266, },
+ { .name = "DIV_DW_XO_FORM1", .value = 457, },
+ { .name = "DIV_W_XO_FORM1", .value = 459, },
+ { .name = "DIV_DW_XO_FORM", .value = 489, },
+ { .name = "DIV_W_XO_FORM", .value = 491, },
+};
+
+static struct insn_offset arithmetic_two_ops[] = {
+ { .name = "mulli", .value = 7, },
+ { .name = "subfic", .value = 8, },
+ { .name = "addic", .value = 12, },
+ { .name = "addic.", .value = 13, },
+ { .name = "addi", .value = 14, },
+ { .name = "addis", .value = 15, },
+};
+
+static int cmp_offset(const void *a, const void *b)
+{
+ const struct insn_offset *val1 = a;
+ const struct insn_offset *val2 = b;
+
+ return (val1->value - val2->value);
+}
+
+static struct ins_ops *check_ppc_insn(struct disasm_line *dl)
+{
+ int raw_insn = dl->raw.raw_insn;
+ int opcode = PPC_OP(raw_insn);
+ int mem_insn_31 = PPC_21_30(raw_insn);
+ struct insn_offset *ret;
+ struct insn_offset mem_insns_31_opcode = {
+ "OP_31_INSN",
+ mem_insn_31
+ };
+ char name_insn[32];
+
+ /*
+ * Instructions with opcode 32 to 63 are memory
+ * instructions in powerpc
+ */
+ if ((opcode & 0x20)) {
+ /*
+ * Set name in case of raw instruction to
+ * opcode to be used in insn-stat
+ */
+ if (!strlen(dl->ins.name)) {
+ sprintf(name_insn, "%d", opcode);
+ dl->ins.name = strdup(name_insn);
+ }
+ return &load_store_ops;
+ } else if (opcode == 31) {
+ /* Check for memory instructions with opcode 31 */
+ ret = bsearch(&mem_insns_31_opcode, ins_array, ARRAY_SIZE(ins_array), sizeof(ins_array[0]), cmp_offset);
+ if (ret) {
+ if (!strlen(dl->ins.name))
+ dl->ins.name = strdup(ret->name);
+ return &load_store_ops;
+ } else {
+ mem_insns_31_opcode.value = PPC_22_30(raw_insn);
+ ret = bsearch(&mem_insns_31_opcode, arithmetic_ins_op_31, ARRAY_SIZE(arithmetic_ins_op_31),
+ sizeof(arithmetic_ins_op_31[0]), cmp_offset);
+ if (ret != NULL)
+ return &arithmetic_ops;
+ /* Bits 21 to 30 has value 444 for "mr" insn ie, OR X form */
+ if (PPC_21_30(raw_insn) == 444)
+ return &arithmetic_ops;
+ }
+ } else {
+ mem_insns_31_opcode.value = opcode;
+ ret = bsearch(&mem_insns_31_opcode, arithmetic_two_ops, ARRAY_SIZE(arithmetic_two_ops),
+ sizeof(arithmetic_two_ops[0]), cmp_offset);
+ if (ret != NULL)
+ return &arithmetic_ops;
+ }
+
+ return NULL;
+}
+
+/*
+ * Instruction tracking function to track register state moves.
+ * Example sequence:
+ * ld r10,264(r3)
+ * mr r31,r3
+ * <<after some sequence>
+ * ld r9,312(r31)
+ *
+ * Previous instruction sequence shows that register state of r3
+ * is moved to r31. update_insn_state_powerpc tracks these state
+ * changes
+ */
+#ifdef HAVE_LIBDW_SUPPORT
+static void update_insn_state_powerpc(struct type_state *state,
+ struct data_loc_info *dloc, Dwarf_Die * cu_die __maybe_unused,
+ struct disasm_line *dl)
+{
+ struct annotated_insn_loc loc;
+ struct annotated_op_loc *src = &loc.ops[INSN_OP_SOURCE];
+ struct annotated_op_loc *dst = &loc.ops[INSN_OP_TARGET];
+ struct type_state_reg *tsr;
+ u32 insn_offset = dl->al.offset;
+
+ if (annotate_get_insn_location(dloc->arch, dl, &loc) < 0)
+ return;
+
+ /*
+ * Value 444 for bits 21:30 is for "mr"
+ * instruction. "mr" is extended OR. So set the
+ * source and destination reg correctly
+ */
+ if (PPC_21_30(dl->raw.raw_insn) == 444) {
+ int src_reg = src->reg1;
+
+ src->reg1 = dst->reg1;
+ dst->reg1 = src_reg;
+ }
+
+ if (!has_reg_type(state, dst->reg1))
+ return;
+
+ tsr = &state->regs[dst->reg1];
+
+ if (!has_reg_type(state, src->reg1) ||
+ !state->regs[src->reg1].ok) {
+ tsr->ok = false;
+ return;
+ }
+
+ tsr->type = state->regs[src->reg1].type;
+ tsr->kind = state->regs[src->reg1].kind;
+ tsr->ok = true;
+
+ pr_debug_dtp("mov [%x] reg%d -> reg%d",
+ insn_offset, src->reg1, dst->reg1);
+ pr_debug_type_name(&tsr->type, tsr->kind);
+}
+#endif /* HAVE_LIBDW_SUPPORT */
+
+static int powerpc__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
{
if (!arch->initialized) {
arch->initialized = true;
arch->associate_instruction_ops = powerpc__associate_instruction_ops;
arch->objdump.comment_char = '#';
+ annotate_opts.show_asm_raw = true;
+ arch->e_machine = EM_PPC;
+ arch->e_flags = 0;
}
return 0;
diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
new file mode 100644
index 000000000000..b453e80dfc00
--- /dev/null
+++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
@@ -0,0 +1,562 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for powerpc
+#
+# The format is:
+# <number> <abi> <name> <entry point> <compat entry point>
+#
+# The <abi> can be common, spu, nospu, 64, or 32 for this file.
+#
+0 nospu restart_syscall sys_restart_syscall
+1 nospu exit sys_exit
+2 nospu fork sys_fork
+3 common read sys_read
+4 common write sys_write
+5 common open sys_open compat_sys_open
+6 common close sys_close
+7 common waitpid sys_waitpid
+8 common creat sys_creat
+9 common link sys_link
+10 common unlink sys_unlink
+11 nospu execve sys_execve compat_sys_execve
+12 common chdir sys_chdir
+13 32 time sys_time32
+13 64 time sys_time
+13 spu time sys_time
+14 common mknod sys_mknod
+15 common chmod sys_chmod
+16 common lchown sys_lchown
+17 common break sys_ni_syscall
+18 32 oldstat sys_stat sys_ni_syscall
+18 64 oldstat sys_ni_syscall
+18 spu oldstat sys_ni_syscall
+19 common lseek sys_lseek compat_sys_lseek
+20 common getpid sys_getpid
+21 nospu mount sys_mount
+22 32 umount sys_oldumount
+22 64 umount sys_ni_syscall
+22 spu umount sys_ni_syscall
+23 common setuid sys_setuid
+24 common getuid sys_getuid
+25 32 stime sys_stime32
+25 64 stime sys_stime
+25 spu stime sys_stime
+26 nospu ptrace sys_ptrace compat_sys_ptrace
+27 common alarm sys_alarm
+28 32 oldfstat sys_fstat sys_ni_syscall
+28 64 oldfstat sys_ni_syscall
+28 spu oldfstat sys_ni_syscall
+29 nospu pause sys_pause
+30 32 utime sys_utime32
+30 64 utime sys_utime
+31 common stty sys_ni_syscall
+32 common gtty sys_ni_syscall
+33 common access sys_access
+34 common nice sys_nice
+35 common ftime sys_ni_syscall
+36 common sync sys_sync
+37 common kill sys_kill
+38 common rename sys_rename
+39 common mkdir sys_mkdir
+40 common rmdir sys_rmdir
+41 common dup sys_dup
+42 common pipe sys_pipe
+43 common times sys_times compat_sys_times
+44 common prof sys_ni_syscall
+45 common brk sys_brk
+46 common setgid sys_setgid
+47 common getgid sys_getgid
+48 nospu signal sys_signal
+49 common geteuid sys_geteuid
+50 common getegid sys_getegid
+51 nospu acct sys_acct
+52 nospu umount2 sys_umount
+53 common lock sys_ni_syscall
+54 common ioctl sys_ioctl compat_sys_ioctl
+55 common fcntl sys_fcntl compat_sys_fcntl
+56 common mpx sys_ni_syscall
+57 common setpgid sys_setpgid
+58 common ulimit sys_ni_syscall
+59 32 oldolduname sys_olduname
+59 64 oldolduname sys_ni_syscall
+59 spu oldolduname sys_ni_syscall
+60 common umask sys_umask
+61 common chroot sys_chroot
+62 nospu ustat sys_ustat compat_sys_ustat
+63 common dup2 sys_dup2
+64 common getppid sys_getppid
+65 common getpgrp sys_getpgrp
+66 common setsid sys_setsid
+67 32 sigaction sys_sigaction compat_sys_sigaction
+67 64 sigaction sys_ni_syscall
+67 spu sigaction sys_ni_syscall
+68 common sgetmask sys_sgetmask
+69 common ssetmask sys_ssetmask
+70 common setreuid sys_setreuid
+71 common setregid sys_setregid
+72 32 sigsuspend sys_sigsuspend
+72 64 sigsuspend sys_ni_syscall
+72 spu sigsuspend sys_ni_syscall
+73 32 sigpending sys_sigpending compat_sys_sigpending
+73 64 sigpending sys_ni_syscall
+73 spu sigpending sys_ni_syscall
+74 common sethostname sys_sethostname
+75 common setrlimit sys_setrlimit compat_sys_setrlimit
+76 32 getrlimit sys_old_getrlimit compat_sys_old_getrlimit
+76 64 getrlimit sys_ni_syscall
+76 spu getrlimit sys_ni_syscall
+77 common getrusage sys_getrusage compat_sys_getrusage
+78 common gettimeofday sys_gettimeofday compat_sys_gettimeofday
+79 common settimeofday sys_settimeofday compat_sys_settimeofday
+80 common getgroups sys_getgroups
+81 common setgroups sys_setgroups
+82 32 select sys_old_select compat_sys_old_select
+82 64 select sys_ni_syscall
+82 spu select sys_ni_syscall
+83 common symlink sys_symlink
+84 32 oldlstat sys_lstat sys_ni_syscall
+84 64 oldlstat sys_ni_syscall
+84 spu oldlstat sys_ni_syscall
+85 common readlink sys_readlink
+86 nospu uselib sys_uselib
+87 nospu swapon sys_swapon
+88 nospu reboot sys_reboot
+89 32 readdir sys_old_readdir compat_sys_old_readdir
+89 64 readdir sys_ni_syscall
+89 spu readdir sys_ni_syscall
+90 common mmap sys_mmap
+91 common munmap sys_munmap
+92 common truncate sys_truncate compat_sys_truncate
+93 common ftruncate sys_ftruncate compat_sys_ftruncate
+94 common fchmod sys_fchmod
+95 common fchown sys_fchown
+96 common getpriority sys_getpriority
+97 common setpriority sys_setpriority
+98 common profil sys_ni_syscall
+99 nospu statfs sys_statfs compat_sys_statfs
+100 nospu fstatfs sys_fstatfs compat_sys_fstatfs
+101 common ioperm sys_ni_syscall
+102 common socketcall sys_socketcall compat_sys_socketcall
+103 common syslog sys_syslog
+104 common setitimer sys_setitimer compat_sys_setitimer
+105 common getitimer sys_getitimer compat_sys_getitimer
+106 common stat sys_newstat compat_sys_newstat
+107 common lstat sys_newlstat compat_sys_newlstat
+108 common fstat sys_newfstat compat_sys_newfstat
+109 32 olduname sys_uname
+109 64 olduname sys_ni_syscall
+109 spu olduname sys_ni_syscall
+110 common iopl sys_ni_syscall
+111 common vhangup sys_vhangup
+112 common idle sys_ni_syscall
+113 common vm86 sys_ni_syscall
+114 common wait4 sys_wait4 compat_sys_wait4
+115 nospu swapoff sys_swapoff
+116 common sysinfo sys_sysinfo compat_sys_sysinfo
+117 nospu ipc sys_ipc compat_sys_ipc
+118 common fsync sys_fsync
+119 32 sigreturn sys_sigreturn compat_sys_sigreturn
+119 64 sigreturn sys_ni_syscall
+119 spu sigreturn sys_ni_syscall
+120 nospu clone sys_clone
+121 common setdomainname sys_setdomainname
+122 common uname sys_newuname
+123 common modify_ldt sys_ni_syscall
+124 32 adjtimex sys_adjtimex_time32
+124 64 adjtimex sys_adjtimex
+124 spu adjtimex sys_adjtimex
+125 common mprotect sys_mprotect
+126 32 sigprocmask sys_sigprocmask compat_sys_sigprocmask
+126 64 sigprocmask sys_ni_syscall
+126 spu sigprocmask sys_ni_syscall
+127 common create_module sys_ni_syscall
+128 nospu init_module sys_init_module
+129 nospu delete_module sys_delete_module
+130 common get_kernel_syms sys_ni_syscall
+131 nospu quotactl sys_quotactl
+132 common getpgid sys_getpgid
+133 common fchdir sys_fchdir
+134 common bdflush sys_ni_syscall
+135 common sysfs sys_sysfs
+136 32 personality sys_personality compat_sys_ppc64_personality
+136 64 personality sys_ppc64_personality
+136 spu personality sys_ppc64_personality
+137 common afs_syscall sys_ni_syscall
+138 common setfsuid sys_setfsuid
+139 common setfsgid sys_setfsgid
+140 common _llseek sys_llseek
+141 common getdents sys_getdents compat_sys_getdents
+142 common _newselect sys_select compat_sys_select
+143 common flock sys_flock
+144 common msync sys_msync
+145 common readv sys_readv
+146 common writev sys_writev
+147 common getsid sys_getsid
+148 common fdatasync sys_fdatasync
+149 nospu _sysctl sys_ni_syscall
+150 common mlock sys_mlock
+151 common munlock sys_munlock
+152 common mlockall sys_mlockall
+153 common munlockall sys_munlockall
+154 common sched_setparam sys_sched_setparam
+155 common sched_getparam sys_sched_getparam
+156 common sched_setscheduler sys_sched_setscheduler
+157 common sched_getscheduler sys_sched_getscheduler
+158 common sched_yield sys_sched_yield
+159 common sched_get_priority_max sys_sched_get_priority_max
+160 common sched_get_priority_min sys_sched_get_priority_min
+161 32 sched_rr_get_interval sys_sched_rr_get_interval_time32
+161 64 sched_rr_get_interval sys_sched_rr_get_interval
+161 spu sched_rr_get_interval sys_sched_rr_get_interval
+162 32 nanosleep sys_nanosleep_time32
+162 64 nanosleep sys_nanosleep
+162 spu nanosleep sys_nanosleep
+163 common mremap sys_mremap
+164 common setresuid sys_setresuid
+165 common getresuid sys_getresuid
+166 common query_module sys_ni_syscall
+167 common poll sys_poll
+168 common nfsservctl sys_ni_syscall
+169 common setresgid sys_setresgid
+170 common getresgid sys_getresgid
+171 common prctl sys_prctl
+172 nospu rt_sigreturn sys_rt_sigreturn compat_sys_rt_sigreturn
+173 nospu rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction
+174 nospu rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask
+175 nospu rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending
+176 32 rt_sigtimedwait sys_rt_sigtimedwait_time32 compat_sys_rt_sigtimedwait_time32
+176 64 rt_sigtimedwait sys_rt_sigtimedwait
+177 nospu rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo
+178 nospu rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend
+179 32 pread64 sys_ppc_pread64 compat_sys_ppc_pread64
+179 64 pread64 sys_pread64
+179 spu pread64 sys_pread64
+180 32 pwrite64 sys_ppc_pwrite64 compat_sys_ppc_pwrite64
+180 64 pwrite64 sys_pwrite64
+180 spu pwrite64 sys_pwrite64
+181 common chown sys_chown
+182 common getcwd sys_getcwd
+183 common capget sys_capget
+184 common capset sys_capset
+185 nospu sigaltstack sys_sigaltstack compat_sys_sigaltstack
+186 32 sendfile sys_sendfile compat_sys_sendfile
+186 64 sendfile sys_sendfile64
+186 spu sendfile sys_sendfile64
+187 common getpmsg sys_ni_syscall
+188 common putpmsg sys_ni_syscall
+189 nospu vfork sys_vfork
+190 common ugetrlimit sys_getrlimit compat_sys_getrlimit
+191 32 readahead sys_ppc_readahead compat_sys_ppc_readahead
+191 64 readahead sys_readahead
+191 spu readahead sys_readahead
+192 32 mmap2 sys_mmap2 compat_sys_mmap2
+193 32 truncate64 sys_ppc_truncate64 compat_sys_ppc_truncate64
+194 32 ftruncate64 sys_ppc_ftruncate64 compat_sys_ppc_ftruncate64
+195 32 stat64 sys_stat64
+196 32 lstat64 sys_lstat64
+197 32 fstat64 sys_fstat64
+198 nospu pciconfig_read sys_pciconfig_read
+199 nospu pciconfig_write sys_pciconfig_write
+200 nospu pciconfig_iobase sys_pciconfig_iobase
+201 common multiplexer sys_ni_syscall
+202 common getdents64 sys_getdents64
+203 common pivot_root sys_pivot_root
+204 32 fcntl64 sys_fcntl64 compat_sys_fcntl64
+205 common madvise sys_madvise
+206 common mincore sys_mincore
+207 common gettid sys_gettid
+208 common tkill sys_tkill
+209 common setxattr sys_setxattr
+210 common lsetxattr sys_lsetxattr
+211 common fsetxattr sys_fsetxattr
+212 common getxattr sys_getxattr
+213 common lgetxattr sys_lgetxattr
+214 common fgetxattr sys_fgetxattr
+215 common listxattr sys_listxattr
+216 common llistxattr sys_llistxattr
+217 common flistxattr sys_flistxattr
+218 common removexattr sys_removexattr
+219 common lremovexattr sys_lremovexattr
+220 common fremovexattr sys_fremovexattr
+221 32 futex sys_futex_time32
+221 64 futex sys_futex
+221 spu futex sys_futex
+222 common sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity
+223 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity
+# 224 unused
+225 common tuxcall sys_ni_syscall
+226 32 sendfile64 sys_sendfile64 compat_sys_sendfile64
+227 common io_setup sys_io_setup compat_sys_io_setup
+228 common io_destroy sys_io_destroy
+229 32 io_getevents sys_io_getevents_time32
+229 64 io_getevents sys_io_getevents
+229 spu io_getevents sys_io_getevents
+230 common io_submit sys_io_submit compat_sys_io_submit
+231 common io_cancel sys_io_cancel
+232 nospu set_tid_address sys_set_tid_address
+233 32 fadvise64 sys_ppc32_fadvise64 compat_sys_ppc32_fadvise64
+233 64 fadvise64 sys_fadvise64
+233 spu fadvise64 sys_fadvise64
+234 nospu exit_group sys_exit_group
+235 nospu lookup_dcookie sys_ni_syscall
+236 common epoll_create sys_epoll_create
+237 common epoll_ctl sys_epoll_ctl
+238 common epoll_wait sys_epoll_wait
+239 common remap_file_pages sys_remap_file_pages
+240 common timer_create sys_timer_create compat_sys_timer_create
+241 32 timer_settime sys_timer_settime32
+241 64 timer_settime sys_timer_settime
+241 spu timer_settime sys_timer_settime
+242 32 timer_gettime sys_timer_gettime32
+242 64 timer_gettime sys_timer_gettime
+242 spu timer_gettime sys_timer_gettime
+243 common timer_getoverrun sys_timer_getoverrun
+244 common timer_delete sys_timer_delete
+245 32 clock_settime sys_clock_settime32
+245 64 clock_settime sys_clock_settime
+245 spu clock_settime sys_clock_settime
+246 32 clock_gettime sys_clock_gettime32
+246 64 clock_gettime sys_clock_gettime
+246 spu clock_gettime sys_clock_gettime
+247 32 clock_getres sys_clock_getres_time32
+247 64 clock_getres sys_clock_getres
+247 spu clock_getres sys_clock_getres
+248 32 clock_nanosleep sys_clock_nanosleep_time32
+248 64 clock_nanosleep sys_clock_nanosleep
+248 spu clock_nanosleep sys_clock_nanosleep
+249 nospu swapcontext sys_swapcontext compat_sys_swapcontext
+250 common tgkill sys_tgkill
+251 32 utimes sys_utimes_time32
+251 64 utimes sys_utimes
+251 spu utimes sys_utimes
+252 common statfs64 sys_statfs64 compat_sys_statfs64
+253 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64
+254 32 fadvise64_64 sys_ppc_fadvise64_64
+254 spu fadvise64_64 sys_ni_syscall
+255 common rtas sys_rtas
+256 32 sys_debug_setcontext sys_debug_setcontext sys_ni_syscall
+256 64 sys_debug_setcontext sys_ni_syscall
+256 spu sys_debug_setcontext sys_ni_syscall
+# 257 reserved for vserver
+258 nospu migrate_pages sys_migrate_pages
+259 nospu mbind sys_mbind
+260 nospu get_mempolicy sys_get_mempolicy
+261 nospu set_mempolicy sys_set_mempolicy
+262 nospu mq_open sys_mq_open compat_sys_mq_open
+263 nospu mq_unlink sys_mq_unlink
+264 32 mq_timedsend sys_mq_timedsend_time32
+264 64 mq_timedsend sys_mq_timedsend
+265 32 mq_timedreceive sys_mq_timedreceive_time32
+265 64 mq_timedreceive sys_mq_timedreceive
+266 nospu mq_notify sys_mq_notify compat_sys_mq_notify
+267 nospu mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr
+268 nospu kexec_load sys_kexec_load compat_sys_kexec_load
+269 nospu add_key sys_add_key
+270 nospu request_key sys_request_key
+271 nospu keyctl sys_keyctl compat_sys_keyctl
+272 nospu waitid sys_waitid compat_sys_waitid
+273 nospu ioprio_set sys_ioprio_set
+274 nospu ioprio_get sys_ioprio_get
+275 nospu inotify_init sys_inotify_init
+276 nospu inotify_add_watch sys_inotify_add_watch
+277 nospu inotify_rm_watch sys_inotify_rm_watch
+278 nospu spu_run sys_spu_run
+279 nospu spu_create sys_spu_create
+280 32 pselect6 sys_pselect6_time32 compat_sys_pselect6_time32
+280 64 pselect6 sys_pselect6
+281 32 ppoll sys_ppoll_time32 compat_sys_ppoll_time32
+281 64 ppoll sys_ppoll
+282 common unshare sys_unshare
+283 common splice sys_splice
+284 common tee sys_tee
+285 common vmsplice sys_vmsplice
+286 common openat sys_openat compat_sys_openat
+287 common mkdirat sys_mkdirat
+288 common mknodat sys_mknodat
+289 common fchownat sys_fchownat
+290 32 futimesat sys_futimesat_time32
+290 64 futimesat sys_futimesat
+290 spu utimesat sys_futimesat
+291 32 fstatat64 sys_fstatat64
+291 64 newfstatat sys_newfstatat
+291 spu newfstatat sys_newfstatat
+292 common unlinkat sys_unlinkat
+293 common renameat sys_renameat
+294 common linkat sys_linkat
+295 common symlinkat sys_symlinkat
+296 common readlinkat sys_readlinkat
+297 common fchmodat sys_fchmodat
+298 common faccessat sys_faccessat
+299 common get_robust_list sys_get_robust_list compat_sys_get_robust_list
+300 common set_robust_list sys_set_robust_list compat_sys_set_robust_list
+301 common move_pages sys_move_pages
+302 common getcpu sys_getcpu
+303 nospu epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait
+304 32 utimensat sys_utimensat_time32
+304 64 utimensat sys_utimensat
+304 spu utimensat sys_utimensat
+305 common signalfd sys_signalfd compat_sys_signalfd
+306 common timerfd_create sys_timerfd_create
+307 common eventfd sys_eventfd
+308 32 sync_file_range2 sys_ppc_sync_file_range2 compat_sys_ppc_sync_file_range2
+308 64 sync_file_range2 sys_sync_file_range2
+308 spu sync_file_range2 sys_sync_file_range2
+309 32 fallocate sys_ppc_fallocate compat_sys_fallocate
+309 64 fallocate sys_fallocate
+310 nospu subpage_prot sys_subpage_prot
+311 32 timerfd_settime sys_timerfd_settime32
+311 64 timerfd_settime sys_timerfd_settime
+311 spu timerfd_settime sys_timerfd_settime
+312 32 timerfd_gettime sys_timerfd_gettime32
+312 64 timerfd_gettime sys_timerfd_gettime
+312 spu timerfd_gettime sys_timerfd_gettime
+313 common signalfd4 sys_signalfd4 compat_sys_signalfd4
+314 common eventfd2 sys_eventfd2
+315 common epoll_create1 sys_epoll_create1
+316 common dup3 sys_dup3
+317 common pipe2 sys_pipe2
+318 nospu inotify_init1 sys_inotify_init1
+319 common perf_event_open sys_perf_event_open
+320 common preadv sys_preadv compat_sys_preadv
+321 common pwritev sys_pwritev compat_sys_pwritev
+322 nospu rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
+323 nospu fanotify_init sys_fanotify_init
+324 nospu fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark
+325 common prlimit64 sys_prlimit64
+326 common socket sys_socket
+327 common bind sys_bind
+328 common connect sys_connect
+329 common listen sys_listen
+330 common accept sys_accept
+331 common getsockname sys_getsockname
+332 common getpeername sys_getpeername
+333 common socketpair sys_socketpair
+334 common send sys_send
+335 common sendto sys_sendto
+336 common recv sys_recv compat_sys_recv
+337 common recvfrom sys_recvfrom compat_sys_recvfrom
+338 common shutdown sys_shutdown
+339 common setsockopt sys_setsockopt sys_setsockopt
+340 common getsockopt sys_getsockopt sys_getsockopt
+341 common sendmsg sys_sendmsg compat_sys_sendmsg
+342 common recvmsg sys_recvmsg compat_sys_recvmsg
+343 32 recvmmsg sys_recvmmsg_time32 compat_sys_recvmmsg_time32
+343 64 recvmmsg sys_recvmmsg
+343 spu recvmmsg sys_recvmmsg
+344 common accept4 sys_accept4
+345 common name_to_handle_at sys_name_to_handle_at
+346 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
+347 32 clock_adjtime sys_clock_adjtime32
+347 64 clock_adjtime sys_clock_adjtime
+347 spu clock_adjtime sys_clock_adjtime
+348 common syncfs sys_syncfs
+349 common sendmmsg sys_sendmmsg compat_sys_sendmmsg
+350 common setns sys_setns
+351 nospu process_vm_readv sys_process_vm_readv
+352 nospu process_vm_writev sys_process_vm_writev
+353 nospu finit_module sys_finit_module
+354 nospu kcmp sys_kcmp
+355 common sched_setattr sys_sched_setattr
+356 common sched_getattr sys_sched_getattr
+357 common renameat2 sys_renameat2
+358 common seccomp sys_seccomp
+359 common getrandom sys_getrandom
+360 common memfd_create sys_memfd_create
+361 common bpf sys_bpf
+362 nospu execveat sys_execveat compat_sys_execveat
+363 32 switch_endian sys_ni_syscall
+363 64 switch_endian sys_switch_endian
+363 spu switch_endian sys_ni_syscall
+364 common userfaultfd sys_userfaultfd
+365 common membarrier sys_membarrier
+# 366-377 originally left for IPC, now unused
+378 nospu mlock2 sys_mlock2
+379 nospu copy_file_range sys_copy_file_range
+380 common preadv2 sys_preadv2 compat_sys_preadv2
+381 common pwritev2 sys_pwritev2 compat_sys_pwritev2
+382 nospu kexec_file_load sys_kexec_file_load
+383 nospu statx sys_statx
+384 nospu pkey_alloc sys_pkey_alloc
+385 nospu pkey_free sys_pkey_free
+386 nospu pkey_mprotect sys_pkey_mprotect
+387 nospu rseq sys_rseq
+388 32 io_pgetevents sys_io_pgetevents_time32 compat_sys_io_pgetevents
+388 64 io_pgetevents sys_io_pgetevents
+# room for arch specific syscalls
+392 64 semtimedop sys_semtimedop
+393 common semget sys_semget
+394 common semctl sys_semctl compat_sys_semctl
+395 common shmget sys_shmget
+396 common shmctl sys_shmctl compat_sys_shmctl
+397 common shmat sys_shmat compat_sys_shmat
+398 common shmdt sys_shmdt
+399 common msgget sys_msgget
+400 common msgsnd sys_msgsnd compat_sys_msgsnd
+401 common msgrcv sys_msgrcv compat_sys_msgrcv
+402 common msgctl sys_msgctl compat_sys_msgctl
+403 32 clock_gettime64 sys_clock_gettime sys_clock_gettime
+404 32 clock_settime64 sys_clock_settime sys_clock_settime
+405 32 clock_adjtime64 sys_clock_adjtime sys_clock_adjtime
+406 32 clock_getres_time64 sys_clock_getres sys_clock_getres
+407 32 clock_nanosleep_time64 sys_clock_nanosleep sys_clock_nanosleep
+408 32 timer_gettime64 sys_timer_gettime sys_timer_gettime
+409 32 timer_settime64 sys_timer_settime sys_timer_settime
+410 32 timerfd_gettime64 sys_timerfd_gettime sys_timerfd_gettime
+411 32 timerfd_settime64 sys_timerfd_settime sys_timerfd_settime
+412 32 utimensat_time64 sys_utimensat sys_utimensat
+413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64
+414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64
+416 32 io_pgetevents_time64 sys_io_pgetevents compat_sys_io_pgetevents_time64
+417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64
+418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend
+419 32 mq_timedreceive_time64 sys_mq_timedreceive sys_mq_timedreceive
+420 32 semtimedop_time64 sys_semtimedop sys_semtimedop
+421 32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64
+422 32 futex_time64 sys_futex sys_futex
+423 32 sched_rr_get_interval_time64 sys_sched_rr_get_interval sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register
+428 common open_tree sys_open_tree
+429 common move_mount sys_move_mount
+430 common fsopen sys_fsopen
+431 common fsconfig sys_fsconfig
+432 common fsmount sys_fsmount
+433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
+435 nospu clone3 sys_clone3
+436 common close_range sys_close_range
+437 common openat2 sys_openat2
+438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
+440 common process_madvise sys_process_madvise
+441 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
+442 common mount_setattr sys_mount_setattr
+443 common quotactl_fd sys_quotactl_fd
+444 common landlock_create_ruleset sys_landlock_create_ruleset
+445 common landlock_add_rule sys_landlock_add_rule
+446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
+449 common futex_waitv sys_futex_waitv
+450 nospu set_mempolicy_home_node sys_set_mempolicy_home_node
+451 common cachestat sys_cachestat
+452 common fchmodat2 sys_fchmodat2
+453 common map_shadow_stack sys_ni_syscall
+454 common futex_wake sys_futex_wake
+455 common futex_wait sys_futex_wait
+456 common futex_requeue sys_futex_requeue
+457 common statmount sys_statmount
+458 common listmount sys_listmount
+459 common lsm_get_self_attr sys_lsm_get_self_attr
+460 common lsm_set_self_attr sys_lsm_set_self_attr
+461 common lsm_list_modules sys_lsm_list_modules
+462 common mseal sys_mseal
+463 common setxattrat sys_setxattrat
+464 common getxattrat sys_getxattrat
+465 common listxattrat sys_listxattrat
+466 common removexattrat sys_removexattrat
+467 common open_tree_attr sys_open_tree_attr
+468 common file_getattr sys_file_getattr
+469 common file_setattr sys_file_setattr
diff --git a/tools/perf/arch/powerpc/include/arch-tests.h b/tools/perf/arch/powerpc/include/arch-tests.h
index 84d8dedef2ed..452b3d904521 100644
--- a/tools/perf/arch/powerpc/include/arch-tests.h
+++ b/tools/perf/arch/powerpc/include/arch-tests.h
@@ -1,13 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_TESTS_H
#define ARCH_TESTS_H
-#ifdef HAVE_DWARF_UNWIND_SUPPORT
-struct thread;
-struct perf_sample;
-int test__arch_unwind_sample(struct perf_sample *sample,
- struct thread *thread);
-#endif
-
-extern struct test arch_tests[];
+extern struct test_suite *arch_tests[];
#endif
diff --git a/tools/perf/arch/powerpc/include/dwarf-regs-table.h b/tools/perf/arch/powerpc/include/dwarf-regs-table.h
index db4730f5585c..66dc015a733d 100644
--- a/tools/perf/arch/powerpc/include/dwarf-regs-table.h
+++ b/tools/perf/arch/powerpc/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef DEFINE_DWARF_REGSTR_TABLE
/* This is included in perf/util/dwarf-regs.c */
diff --git a/tools/perf/arch/powerpc/include/perf_regs.h b/tools/perf/arch/powerpc/include/perf_regs.h
index c12f4e804f66..1c66f6ba6773 100644
--- a/tools/perf/arch/powerpc/include/perf_regs.h
+++ b/tools/perf/arch/powerpc/include/perf_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_PERF_REGS_H
#define ARCH_PERF_REGS_H
@@ -15,57 +16,4 @@ void perf_regs_load(u64 *regs);
#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32
#endif
-#define PERF_REG_IP PERF_REG_POWERPC_NIP
-#define PERF_REG_SP PERF_REG_POWERPC_R1
-
-static const char *reg_names[] = {
- [PERF_REG_POWERPC_R0] = "r0",
- [PERF_REG_POWERPC_R1] = "r1",
- [PERF_REG_POWERPC_R2] = "r2",
- [PERF_REG_POWERPC_R3] = "r3",
- [PERF_REG_POWERPC_R4] = "r4",
- [PERF_REG_POWERPC_R5] = "r5",
- [PERF_REG_POWERPC_R6] = "r6",
- [PERF_REG_POWERPC_R7] = "r7",
- [PERF_REG_POWERPC_R8] = "r8",
- [PERF_REG_POWERPC_R9] = "r9",
- [PERF_REG_POWERPC_R10] = "r10",
- [PERF_REG_POWERPC_R11] = "r11",
- [PERF_REG_POWERPC_R12] = "r12",
- [PERF_REG_POWERPC_R13] = "r13",
- [PERF_REG_POWERPC_R14] = "r14",
- [PERF_REG_POWERPC_R15] = "r15",
- [PERF_REG_POWERPC_R16] = "r16",
- [PERF_REG_POWERPC_R17] = "r17",
- [PERF_REG_POWERPC_R18] = "r18",
- [PERF_REG_POWERPC_R19] = "r19",
- [PERF_REG_POWERPC_R20] = "r20",
- [PERF_REG_POWERPC_R21] = "r21",
- [PERF_REG_POWERPC_R22] = "r22",
- [PERF_REG_POWERPC_R23] = "r23",
- [PERF_REG_POWERPC_R24] = "r24",
- [PERF_REG_POWERPC_R25] = "r25",
- [PERF_REG_POWERPC_R26] = "r26",
- [PERF_REG_POWERPC_R27] = "r27",
- [PERF_REG_POWERPC_R28] = "r28",
- [PERF_REG_POWERPC_R29] = "r29",
- [PERF_REG_POWERPC_R30] = "r30",
- [PERF_REG_POWERPC_R31] = "r31",
- [PERF_REG_POWERPC_NIP] = "nip",
- [PERF_REG_POWERPC_MSR] = "msr",
- [PERF_REG_POWERPC_ORIG_R3] = "orig_r3",
- [PERF_REG_POWERPC_CTR] = "ctr",
- [PERF_REG_POWERPC_LINK] = "link",
- [PERF_REG_POWERPC_XER] = "xer",
- [PERF_REG_POWERPC_CCR] = "ccr",
- [PERF_REG_POWERPC_SOFTE] = "softe",
- [PERF_REG_POWERPC_TRAP] = "trap",
- [PERF_REG_POWERPC_DAR] = "dar",
- [PERF_REG_POWERPC_DSISR] = "dsisr"
-};
-
-static inline const char *perf_reg_name(int id)
-{
- return reg_names[id];
-}
#endif /* ARCH_PERF_REGS_H */
diff --git a/tools/perf/arch/powerpc/tests/Build b/tools/perf/arch/powerpc/tests/Build
index d827ef384b33..275026950645 100644
--- a/tools/perf/arch/powerpc/tests/Build
+++ b/tools/perf/arch/powerpc/tests/Build
@@ -1,4 +1,4 @@
-libperf-$(CONFIG_DWARF_UNWIND) += regs_load.o
-libperf-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o
+perf-test-$(CONFIG_DWARF_UNWIND) += regs_load.o
+perf-test-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o
-libperf-y += arch-tests.o
+perf-test-y += arch-tests.o
diff --git a/tools/perf/arch/powerpc/tests/arch-tests.c b/tools/perf/arch/powerpc/tests/arch-tests.c
index e24f46241f40..eb98c57b5aeb 100644
--- a/tools/perf/arch/powerpc/tests/arch-tests.c
+++ b/tools/perf/arch/powerpc/tests/arch-tests.c
@@ -1,15 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
#include <string.h>
#include "tests/tests.h"
#include "arch-tests.h"
-struct test arch_tests[] = {
+
+struct test_suite *arch_tests[] = {
#ifdef HAVE_DWARF_UNWIND_SUPPORT
- {
- .desc = "Test dwarf unwind",
- .func = test__dwarf_unwind,
- },
+ &suite__dwarf_unwind,
#endif
- {
- .func = NULL,
- },
+ NULL,
};
diff --git a/tools/perf/arch/powerpc/tests/dwarf-unwind.c b/tools/perf/arch/powerpc/tests/dwarf-unwind.c
index 0bac3137ccbd..66af884baa66 100644
--- a/tools/perf/arch/powerpc/tests/dwarf-unwind.c
+++ b/tools/perf/arch/powerpc/tests/dwarf-unwind.c
@@ -1,11 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
#include <string.h>
#include "perf_regs.h"
#include "thread.h"
#include "map.h"
+#include "maps.h"
#include "event.h"
#include "debug.h"
#include "tests/tests.h"
-#include "arch-tests.h"
#define STACK_SIZE 8192
@@ -25,14 +26,14 @@ static int sample_ustack(struct perf_sample *sample,
sp = (unsigned long) regs[PERF_REG_POWERPC_R1];
- map = map_groups__find(thread->mg, MAP__VARIABLE, (u64) sp);
+ map = maps__find(thread__maps(thread), (u64)sp);
if (!map) {
pr_debug("failed to get stack map\n");
free(buf);
return -1;
}
- stack_size = map->end - sp;
+ stack_size = map__end(map) - sp;
stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size;
memcpy(buf, (void *) sp, stack_size);
@@ -44,7 +45,7 @@ static int sample_ustack(struct perf_sample *sample,
int test__arch_unwind_sample(struct perf_sample *sample,
struct thread *thread)
{
- struct regs_dump *regs = &sample->user_regs;
+ struct regs_dump *regs = perf_sample__user_regs(sample);
u64 *buf;
buf = calloc(1, sizeof(u64) * PERF_REGS_MAX);
diff --git a/tools/perf/arch/powerpc/tests/regs_load.S b/tools/perf/arch/powerpc/tests/regs_load.S
index d76c9a32f327..36a20b0033f9 100644
--- a/tools/perf/arch/powerpc/tests/regs_load.S
+++ b/tools/perf/arch/powerpc/tests/regs_load.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
/* Offset is based on macros from arch/powerpc/include/uapi/asm/ptrace.h. */
diff --git a/tools/perf/arch/powerpc/util/Build b/tools/perf/arch/powerpc/util/Build
index 90ad64b231cd..3d0d5427aef7 100644
--- a/tools/perf/arch/powerpc/util/Build
+++ b/tools/perf/arch/powerpc/util/Build
@@ -1,8 +1,13 @@
-libperf-y += header.o
-libperf-y += sym-handling.o
-libperf-y += kvm-stat.o
-libperf-y += perf_regs.o
+perf-util-y += header.o
+perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
+perf-util-y += perf_regs.o
+perf-util-y += mem-events.o
+perf-util-y += pmu.o
+perf-util-y += sym-handling.o
+perf-util-y += evsel.o
-libperf-$(CONFIG_DWARF) += dwarf-regs.o
-libperf-$(CONFIG_DWARF) += skip-callchain-idx.o
-libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
+perf-util-$(CONFIG_LIBDW) += skip-callchain-idx.o
+
+perf-util-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
+perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
+perf-util-y += auxtrace.o
diff --git a/tools/perf/arch/powerpc/util/auxtrace.c b/tools/perf/arch/powerpc/util/auxtrace.c
new file mode 100644
index 000000000000..292ea335e4ff
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/auxtrace.c
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * VPA support
+ */
+#include <errno.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/string.h>
+
+#include "../../util/evlist.h"
+#include "../../util/debug.h"
+#include "../../util/auxtrace.h"
+#include "../../util/powerpc-vpadtl.h"
+#include "../../util/record.h"
+#include <internal/lib.h> // page_size
+
+#define KiB(x) ((x) * 1024)
+
+static int
+powerpc_vpadtl_recording_options(struct auxtrace_record *ar __maybe_unused,
+ struct evlist *evlist __maybe_unused,
+ struct record_opts *opts)
+{
+ opts->full_auxtrace = true;
+
+ /*
+ * Set auxtrace_mmap_pages to minimum
+ * two pages
+ */
+ if (!opts->auxtrace_mmap_pages) {
+ opts->auxtrace_mmap_pages = KiB(128) / page_size;
+ if (opts->mmap_pages == UINT_MAX)
+ opts->mmap_pages = KiB(256) / page_size;
+ }
+
+ return 0;
+}
+
+static size_t powerpc_vpadtl_info_priv_size(struct auxtrace_record *itr __maybe_unused,
+ struct evlist *evlist __maybe_unused)
+{
+ return VPADTL_AUXTRACE_PRIV_SIZE;
+}
+
+static int
+powerpc_vpadtl_info_fill(struct auxtrace_record *itr __maybe_unused,
+ struct perf_session *session __maybe_unused,
+ struct perf_record_auxtrace_info *auxtrace_info,
+ size_t priv_size __maybe_unused)
+{
+ auxtrace_info->type = PERF_AUXTRACE_VPA_DTL;
+
+ return 0;
+}
+
+static void powerpc_vpadtl_free(struct auxtrace_record *itr)
+{
+ free(itr);
+}
+
+static u64 powerpc_vpadtl_reference(struct auxtrace_record *itr __maybe_unused)
+{
+ return 0;
+}
+
+struct auxtrace_record *auxtrace_record__init(struct evlist *evlist,
+ int *err)
+{
+ struct auxtrace_record *aux;
+ struct evsel *pos;
+ int found = 0;
+
+ evlist__for_each_entry(evlist, pos) {
+ if (strstarts(pos->name, "vpa_dtl")) {
+ found = 1;
+ pos->needs_auxtrace_mmap = true;
+ break;
+ }
+ }
+
+ if (!found)
+ return NULL;
+
+ /*
+ * To obtain the auxtrace buffer file descriptor, the auxtrace event
+ * must come first.
+ */
+ evlist__to_front(pos->evlist, pos);
+
+ aux = zalloc(sizeof(*aux));
+ if (aux == NULL) {
+ pr_debug("aux record is NULL\n");
+ *err = -ENOMEM;
+ return NULL;
+ }
+
+ aux->recording_options = powerpc_vpadtl_recording_options;
+ aux->info_priv_size = powerpc_vpadtl_info_priv_size;
+ aux->info_fill = powerpc_vpadtl_info_fill;
+ aux->free = powerpc_vpadtl_free;
+ aux->reference = powerpc_vpadtl_reference;
+ return aux;
+}
diff --git a/tools/perf/arch/powerpc/util/book3s_hcalls.h b/tools/perf/arch/powerpc/util/book3s_hcalls.h
index 0dd6b7f2d44f..488f4339b83c 100644
--- a/tools/perf/arch/powerpc/util/book3s_hcalls.h
+++ b/tools/perf/arch/powerpc/util/book3s_hcalls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_PERF_BOOK3S_HV_HCALLS_H
#define ARCH_PERF_BOOK3S_HV_HCALLS_H
@@ -83,7 +84,7 @@
{0x1a4, "H_CREATE_RPT"}, \
{0x1a8, "H_REMOVE_RPT"}, \
{0x1ac, "H_REGISTER_RPAGES"}, \
- {0x1b0, "H_DISABLE_AND_GETC"}, \
+ {0x1b0, "H_DISABLE_AND_GET"}, \
{0x1b4, "H_ERROR_DATA"}, \
{0x1b8, "H_GET_HCA_INFO"}, \
{0x1bc, "H_GET_PERF_COUNT"}, \
diff --git a/tools/perf/arch/powerpc/util/book3s_hv_exits.h b/tools/perf/arch/powerpc/util/book3s_hv_exits.h
index e68ba2da8970..2011376c7ab5 100644
--- a/tools/perf/arch/powerpc/util/book3s_hv_exits.h
+++ b/tools/perf/arch/powerpc/util/book3s_hv_exits.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_PERF_BOOK3S_HV_EXITS_H
#define ARCH_PERF_BOOK3S_HV_EXITS_H
@@ -14,7 +15,6 @@
{0x400, "INST_STORAGE"}, \
{0x480, "INST_SEGMENT"}, \
{0x500, "EXTERNAL"}, \
- {0x501, "EXTERNAL_LEVEL"}, \
{0x502, "EXTERNAL_HV"}, \
{0x600, "ALIGNMENT"}, \
{0x700, "PROGRAM"}, \
diff --git a/tools/perf/arch/powerpc/util/dwarf-regs.c b/tools/perf/arch/powerpc/util/dwarf-regs.c
deleted file mode 100644
index 41bdf9530d82..000000000000
--- a/tools/perf/arch/powerpc/util/dwarf-regs.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Mapping of DWARF debug register numbers into register names.
- *
- * Copyright (C) 2010 Ian Munsie, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <stddef.h>
-#include <errno.h>
-#include <string.h>
-#include <dwarf-regs.h>
-#include <linux/ptrace.h>
-#include <linux/kernel.h>
-#include "util.h"
-
-struct pt_regs_dwarfnum {
- const char *name;
- unsigned int dwarfnum;
- unsigned int ptregs_offset;
-};
-
-#define REG_DWARFNUM_NAME(r, num) \
- {.name = STR(%)STR(r), .dwarfnum = num, \
- .ptregs_offset = offsetof(struct pt_regs, r)}
-#define GPR_DWARFNUM_NAME(num) \
- {.name = STR(%gpr##num), .dwarfnum = num, \
- .ptregs_offset = offsetof(struct pt_regs, gpr[num])}
-#define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0, .ptregs_offset = 0}
-
-/*
- * Reference:
- * http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi-1.9.html
- */
-static const struct pt_regs_dwarfnum regdwarfnum_table[] = {
- GPR_DWARFNUM_NAME(0),
- GPR_DWARFNUM_NAME(1),
- GPR_DWARFNUM_NAME(2),
- GPR_DWARFNUM_NAME(3),
- GPR_DWARFNUM_NAME(4),
- GPR_DWARFNUM_NAME(5),
- GPR_DWARFNUM_NAME(6),
- GPR_DWARFNUM_NAME(7),
- GPR_DWARFNUM_NAME(8),
- GPR_DWARFNUM_NAME(9),
- GPR_DWARFNUM_NAME(10),
- GPR_DWARFNUM_NAME(11),
- GPR_DWARFNUM_NAME(12),
- GPR_DWARFNUM_NAME(13),
- GPR_DWARFNUM_NAME(14),
- GPR_DWARFNUM_NAME(15),
- GPR_DWARFNUM_NAME(16),
- GPR_DWARFNUM_NAME(17),
- GPR_DWARFNUM_NAME(18),
- GPR_DWARFNUM_NAME(19),
- GPR_DWARFNUM_NAME(20),
- GPR_DWARFNUM_NAME(21),
- GPR_DWARFNUM_NAME(22),
- GPR_DWARFNUM_NAME(23),
- GPR_DWARFNUM_NAME(24),
- GPR_DWARFNUM_NAME(25),
- GPR_DWARFNUM_NAME(26),
- GPR_DWARFNUM_NAME(27),
- GPR_DWARFNUM_NAME(28),
- GPR_DWARFNUM_NAME(29),
- GPR_DWARFNUM_NAME(30),
- GPR_DWARFNUM_NAME(31),
- REG_DWARFNUM_NAME(msr, 66),
- REG_DWARFNUM_NAME(ctr, 109),
- REG_DWARFNUM_NAME(link, 108),
- REG_DWARFNUM_NAME(xer, 101),
- REG_DWARFNUM_NAME(dar, 119),
- REG_DWARFNUM_NAME(dsisr, 118),
- REG_DWARFNUM_END,
-};
-
-/**
- * get_arch_regstr() - lookup register name from it's DWARF register number
- * @n: the DWARF register number
- *
- * get_arch_regstr() returns the name of the register in struct
- * regdwarfnum_table from it's DWARF register number. If the register is not
- * found in the table, this returns NULL;
- */
-const char *get_arch_regstr(unsigned int n)
-{
- const struct pt_regs_dwarfnum *roff;
- for (roff = regdwarfnum_table; roff->name != NULL; roff++)
- if (roff->dwarfnum == n)
- return roff->name;
- return NULL;
-}
-
-int regs_query_register_offset(const char *name)
-{
- const struct pt_regs_dwarfnum *roff;
- for (roff = regdwarfnum_table; roff->name != NULL; roff++)
- if (!strcmp(roff->name, name))
- return roff->ptregs_offset;
- return -EINVAL;
-}
diff --git a/tools/perf/arch/powerpc/util/evsel.c b/tools/perf/arch/powerpc/util/evsel.c
new file mode 100644
index 000000000000..2f733cdc8dbb
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/evsel.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include "util/evsel.h"
+
+void arch_evsel__set_sample_weight(struct evsel *evsel)
+{
+ evsel__set_sample_bit(evsel, WEIGHT_STRUCT);
+}
diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c
index 9aaa6f5a9347..0be74f048f96 100644
--- a/tools/perf/arch/powerpc/util/header.c
+++ b/tools/perf/arch/powerpc/util/header.c
@@ -1,22 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
#include <sys/types.h>
+#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <linux/stringify.h>
#include "header.h"
-#include "util.h"
+#include "utils_header.h"
+#include "metricgroup.h"
+#include <api/fs/fs.h>
+#include <sys/auxv.h>
-#define mfspr(rn) ({unsigned long rval; \
- asm volatile("mfspr %0," __stringify(rn) \
- : "=r" (rval)); rval; })
+static bool is_compat_mode(void)
+{
+ unsigned long base_platform = getauxval(AT_BASE_PLATFORM);
+ unsigned long platform = getauxval(AT_PLATFORM);
+
+ if (!strcmp((char *)platform, (char *)base_platform))
+ return false;
-#define SPRN_PVR 0x11F /* Processor Version Register */
-#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
-#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
+ return true;
+}
int
-get_cpuid(char *buffer, size_t sz)
+get_cpuid(char *buffer, size_t sz, struct perf_cpu cpu __maybe_unused)
{
unsigned long pvr;
int nb;
@@ -30,16 +38,43 @@ get_cpuid(char *buffer, size_t sz)
buffer[nb-1] = '\0';
return 0;
}
- return -1;
+ return ENOBUFS;
}
char *
-get_cpuid_str(void)
+get_cpuid_str(struct perf_cpu cpu __maybe_unused)
{
char *bufp;
+ unsigned long pvr;
+
+ /*
+ * IBM Power System supports compatible mode. That is
+ * Nth generation platform can support previous generation
+ * OS in a mode called compatibile mode. For ex. LPAR can be
+ * booted in a Power9 mode when the system is a Power10.
+ *
+ * In the compatible mode, care must be taken when generating
+ * PVR value. When read, PVR will be of the AT_BASE_PLATFORM
+ * To support generic events, return 0x00ffffff as pvr when
+ * booted in compat mode. Based on this pvr value, json will
+ * pick events from pmu-events/arch/powerpc/compat
+ */
+ if (!is_compat_mode())
+ pvr = mfspr(SPRN_PVR);
+ else
+ pvr = 0x00ffffff;
- if (asprintf(&bufp, "%.8lx", mfspr(SPRN_PVR)) < 0)
+ if (asprintf(&bufp, "0x%.8lx", pvr) < 0)
bufp = NULL;
return bufp;
}
+
+int arch_get_runtimeparam(const struct pmu_metric *pm)
+{
+ int count;
+ char path[PATH_MAX] = "/devices/hv_24x7/interface/";
+
+ strcat(path, pm->aggr_mode == PerChip ? "sockets" : "coresperchip");
+ return sysfs__read_int(path, &count) < 0 ? 1 : count;
+}
diff --git a/tools/perf/arch/powerpc/util/kvm-stat.c b/tools/perf/arch/powerpc/util/kvm-stat.c
index 74eee30398f8..c8357b571ccf 100644
--- a/tools/perf/arch/powerpc/util/kvm-stat.c
+++ b/tools/perf/arch/powerpc/util/kvm-stat.c
@@ -1,14 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
#include "util/kvm-stat.h"
#include "util/parse-events.h"
#include "util/debug.h"
+#include "util/evsel.h"
+#include "util/evlist.h"
+#include "util/pmus.h"
#include "book3s_hv_exits.h"
#include "book3s_hcalls.h"
+#include <subcmd/parse-options.h>
#define NR_TPS 4
const char *vcpu_id_str = "vcpu_id";
-const int decode_str_len = 40;
const char *kvm_entry_trace = "kvm_hv:kvm_guest_enter";
const char *kvm_exit_trace = "kvm_hv:kvm_guest_exit";
@@ -28,12 +33,12 @@ const char *ppc_book3s_hv_kvm_tp[] = {
const char *kvm_events_tp[NR_TPS + 1];
const char *kvm_exit_reason;
-static void hcall_event_get_key(struct perf_evsel *evsel,
+static void hcall_event_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
key->info = 0;
- key->key = perf_evsel__intval(evsel, sample, "req");
+ key->key = evsel__intval(evsel, sample, "req");
}
static const char *get_hcall_exit_reason(u64 exit_code)
@@ -51,17 +56,17 @@ static const char *get_hcall_exit_reason(u64 exit_code)
return "UNKNOWN";
}
-static bool hcall_event_end(struct perf_evsel *evsel,
+static bool hcall_event_end(struct evsel *evsel,
struct perf_sample *sample __maybe_unused,
struct event_key *key __maybe_unused)
{
- return (!strcmp(evsel->name, kvm_events_tp[3]));
+ return (evsel__name_is(evsel, kvm_events_tp[3]));
}
-static bool hcall_event_begin(struct perf_evsel *evsel,
+static bool hcall_event_begin(struct evsel *evsel,
struct perf_sample *sample, struct event_key *key)
{
- if (!strcmp(evsel->name, kvm_events_tp[2])) {
+ if (evsel__name_is(evsel, kvm_events_tp[2])) {
hcall_event_get_key(evsel, sample, key);
return true;
}
@@ -74,7 +79,7 @@ static void hcall_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused,
{
const char *hcall_reason = get_hcall_exit_reason(key->key);
- scnprintf(decode, decode_str_len, "%s", hcall_reason);
+ scnprintf(decode, KVM_EVENT_NAME_LEN, "%s", hcall_reason);
}
static struct kvm_events_ops hcall_events = {
@@ -102,20 +107,21 @@ const char * const kvm_skip_events[] = {
};
-static int is_tracepoint_available(const char *str, struct perf_evlist *evlist)
+static int is_tracepoint_available(const char *str, struct evlist *evlist)
{
struct parse_events_error err;
int ret;
- err.str = NULL;
+ parse_events_error__init(&err);
ret = parse_events(evlist, str, &err);
- if (err.str)
- pr_err("%s : %s\n", str, err.str);
+ if (ret)
+ parse_events_error__print(&err, "tracepoint");
+ parse_events_error__exit(&err);
return ret;
}
static int ppc__setup_book3s_hv(struct perf_kvm_stat *kvm,
- struct perf_evlist *evlist)
+ struct evlist *evlist)
{
const char **events_ptr;
int i, nr_tp = 0, err = -1;
@@ -142,7 +148,7 @@ static int ppc__setup_book3s_hv(struct perf_kvm_stat *kvm,
/* Wrapper to setup kvm tracepoints */
static int ppc__setup_kvm_tp(struct perf_kvm_stat *kvm)
{
- struct perf_evlist *evlist = perf_evlist__new();
+ struct evlist *evlist = evlist__new();
if (evlist == NULL)
return -ENOMEM;
@@ -168,3 +174,46 @@ int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid __maybe_unused)
return ret;
}
+
+/*
+ * In case of powerpc architecture, pmu registers are programmable
+ * by guest kernel. So monitoring guest via host may not provide
+ * valid samples with default 'cycles' event. It is better to use
+ * 'trace_imc/trace_cycles' event for guest profiling, since it
+ * can track the guest instruction pointer in the trace-record.
+ *
+ * Function to parse the arguments and return appropriate values.
+ */
+int kvm_add_default_arch_event(int *argc, const char **argv)
+{
+ const char **tmp;
+ bool event = false;
+ int i, j = *argc;
+
+ const struct option event_options[] = {
+ OPT_BOOLEAN('e', "event", &event, NULL),
+ OPT_END()
+ };
+
+ tmp = calloc(j + 1, sizeof(char *));
+ if (!tmp)
+ return -EINVAL;
+
+ for (i = 0; i < j; i++)
+ tmp[i] = argv[i];
+
+ parse_options(j, tmp, event_options, NULL, PARSE_OPT_KEEP_UNKNOWN);
+ if (!event) {
+ if (perf_pmus__have_event("trace_imc", "trace_cycles")) {
+ argv[j++] = strdup("-e");
+ argv[j++] = strdup("trace_imc/trace_cycles/");
+ *argc += 2;
+ } else {
+ free(tmp);
+ return -EINVAL;
+ }
+ }
+
+ free(tmp);
+ return 0;
+}
diff --git a/tools/perf/arch/powerpc/util/mem-events.c b/tools/perf/arch/powerpc/util/mem-events.c
new file mode 100644
index 000000000000..765d4a054b0a
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/mem-events.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "util/map_symbol.h"
+#include "util/mem-events.h"
+#include "mem-events.h"
+
+#define E(t, n, s, l, a) { .tag = t, .name = n, .event_name = s, .ldlat = l, .aux_event = a }
+
+struct perf_mem_event perf_mem_events_power[PERF_MEM_EVENTS__MAX] = {
+ E("ldlat-loads", "%s/mem-loads/", "mem-loads", false, 0),
+ E("ldlat-stores", "%s/mem-stores/", "mem-stores", false, 0),
+ E(NULL, NULL, NULL, false, 0),
+};
diff --git a/tools/perf/arch/powerpc/util/mem-events.h b/tools/perf/arch/powerpc/util/mem-events.h
new file mode 100644
index 000000000000..6acc3d1b6873
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/mem-events.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _POWER_MEM_EVENTS_H
+#define _POWER_MEM_EVENTS_H
+
+extern struct perf_mem_event perf_mem_events_power[PERF_MEM_EVENTS__MAX];
+
+#endif /* _POWER_MEM_EVENTS_H */
diff --git a/tools/perf/arch/powerpc/util/perf_regs.c b/tools/perf/arch/powerpc/util/perf_regs.c
index a3c3e1ce6807..bd36cfd420a2 100644
--- a/tools/perf/arch/powerpc/util/perf_regs.c
+++ b/tools/perf/arch/powerpc/util/perf_regs.c
@@ -1,7 +1,24 @@
-#include "../../perf.h"
-#include "../../util/perf_regs.h"
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <string.h>
+#include <regex.h>
+#include <linux/zalloc.h>
-const struct sample_reg sample_reg_masks[] = {
+#include "perf_regs.h"
+#include "../../../util/perf_regs.h"
+#include "../../../util/debug.h"
+#include "../../../util/event.h"
+#include "../../../util/header.h"
+#include "../../../perf-sys.h"
+#include "utils_header.h"
+
+#include <linux/kernel.h>
+
+#define PVR_POWER9 0x004E
+#define PVR_POWER10 0x0080
+#define PVR_POWER11 0x0082
+
+static const struct sample_reg sample_reg_masks[] = {
SMPL_REG(r0, PERF_REG_POWERPC_R0),
SMPL_REG(r1, PERF_REG_POWERPC_R1),
SMPL_REG(r2, PERF_REG_POWERPC_R2),
@@ -45,5 +62,179 @@ const struct sample_reg sample_reg_masks[] = {
SMPL_REG(trap, PERF_REG_POWERPC_TRAP),
SMPL_REG(dar, PERF_REG_POWERPC_DAR),
SMPL_REG(dsisr, PERF_REG_POWERPC_DSISR),
+ SMPL_REG(sier, PERF_REG_POWERPC_SIER),
+ SMPL_REG(mmcra, PERF_REG_POWERPC_MMCRA),
+ SMPL_REG(mmcr0, PERF_REG_POWERPC_MMCR0),
+ SMPL_REG(mmcr1, PERF_REG_POWERPC_MMCR1),
+ SMPL_REG(mmcr2, PERF_REG_POWERPC_MMCR2),
+ SMPL_REG(mmcr3, PERF_REG_POWERPC_MMCR3),
+ SMPL_REG(sier2, PERF_REG_POWERPC_SIER2),
+ SMPL_REG(sier3, PERF_REG_POWERPC_SIER3),
+ SMPL_REG(pmc1, PERF_REG_POWERPC_PMC1),
+ SMPL_REG(pmc2, PERF_REG_POWERPC_PMC2),
+ SMPL_REG(pmc3, PERF_REG_POWERPC_PMC3),
+ SMPL_REG(pmc4, PERF_REG_POWERPC_PMC4),
+ SMPL_REG(pmc5, PERF_REG_POWERPC_PMC5),
+ SMPL_REG(pmc6, PERF_REG_POWERPC_PMC6),
+ SMPL_REG(sdar, PERF_REG_POWERPC_SDAR),
+ SMPL_REG(siar, PERF_REG_POWERPC_SIAR),
SMPL_REG_END
};
+
+/* REG or %rREG */
+#define SDT_OP_REGEX1 "^(%r)?([1-2]?[0-9]|3[0-1])$"
+
+/* -NUM(REG) or NUM(REG) or -NUM(%rREG) or NUM(%rREG) */
+#define SDT_OP_REGEX2 "^(\\-)?([0-9]+)\\((%r)?([1-2]?[0-9]|3[0-1])\\)$"
+
+static regex_t sdt_op_regex1, sdt_op_regex2;
+
+static int sdt_init_op_regex(void)
+{
+ static int initialized;
+ int ret = 0;
+
+ if (initialized)
+ return 0;
+
+ ret = regcomp(&sdt_op_regex1, SDT_OP_REGEX1, REG_EXTENDED);
+ if (ret)
+ goto error;
+
+ ret = regcomp(&sdt_op_regex2, SDT_OP_REGEX2, REG_EXTENDED);
+ if (ret)
+ goto free_regex1;
+
+ initialized = 1;
+ return 0;
+
+free_regex1:
+ regfree(&sdt_op_regex1);
+error:
+ pr_debug4("Regex compilation error.\n");
+ return ret;
+}
+
+/*
+ * Parse OP and convert it into uprobe format, which is, +/-NUM(%gprREG).
+ * Possible variants of OP are:
+ * Format Example
+ * -------------------------
+ * NUM(REG) 48(18)
+ * -NUM(REG) -48(18)
+ * NUM(%rREG) 48(%r18)
+ * -NUM(%rREG) -48(%r18)
+ * REG 18
+ * %rREG %r18
+ * iNUM i0
+ * i-NUM i-1
+ *
+ * SDT marker arguments on Powerpc uses %rREG form with -mregnames flag
+ * and REG form with -mno-regnames. Here REG is general purpose register,
+ * which is in 0 to 31 range.
+ */
+int arch_sdt_arg_parse_op(char *old_op, char **new_op)
+{
+ int ret, new_len;
+ regmatch_t rm[5];
+ char prefix;
+
+ /* Constant argument. Uprobe does not support it */
+ if (old_op[0] == 'i') {
+ pr_debug4("Skipping unsupported SDT argument: %s\n", old_op);
+ return SDT_ARG_SKIP;
+ }
+
+ ret = sdt_init_op_regex();
+ if (ret < 0)
+ return ret;
+
+ if (!regexec(&sdt_op_regex1, old_op, 3, rm, 0)) {
+ /* REG or %rREG --> %gprREG */
+
+ new_len = 5; /* % g p r NULL */
+ new_len += (int)(rm[2].rm_eo - rm[2].rm_so);
+
+ *new_op = zalloc(new_len);
+ if (!*new_op)
+ return -ENOMEM;
+
+ scnprintf(*new_op, new_len, "%%gpr%.*s",
+ (int)(rm[2].rm_eo - rm[2].rm_so), old_op + rm[2].rm_so);
+ } else if (!regexec(&sdt_op_regex2, old_op, 5, rm, 0)) {
+ /*
+ * -NUM(REG) or NUM(REG) or -NUM(%rREG) or NUM(%rREG) -->
+ * +/-NUM(%gprREG)
+ */
+ prefix = (rm[1].rm_so == -1) ? '+' : '-';
+
+ new_len = 8; /* +/- ( % g p r ) NULL */
+ new_len += (int)(rm[2].rm_eo - rm[2].rm_so);
+ new_len += (int)(rm[4].rm_eo - rm[4].rm_so);
+
+ *new_op = zalloc(new_len);
+ if (!*new_op)
+ return -ENOMEM;
+
+ scnprintf(*new_op, new_len, "%c%.*s(%%gpr%.*s)", prefix,
+ (int)(rm[2].rm_eo - rm[2].rm_so), old_op + rm[2].rm_so,
+ (int)(rm[4].rm_eo - rm[4].rm_so), old_op + rm[4].rm_so);
+ } else {
+ pr_debug4("Skipping unsupported SDT argument: %s\n", old_op);
+ return SDT_ARG_SKIP;
+ }
+
+ return SDT_ARG_VALID;
+}
+
+uint64_t arch__intr_reg_mask(void)
+{
+ struct perf_event_attr attr = {
+ .type = PERF_TYPE_HARDWARE,
+ .config = PERF_COUNT_HW_CPU_CYCLES,
+ .sample_type = PERF_SAMPLE_REGS_INTR,
+ .precise_ip = 1,
+ .disabled = 1,
+ .exclude_kernel = 1,
+ };
+ int fd;
+ u32 version;
+ u64 extended_mask = 0, mask = PERF_REGS_MASK;
+
+ /*
+ * Get the PVR value to set the extended
+ * mask specific to platform.
+ */
+ version = (((mfspr(SPRN_PVR)) >> 16) & 0xFFFF);
+ if (version == PVR_POWER9)
+ extended_mask = PERF_REG_PMU_MASK_300;
+ else if ((version == PVR_POWER10) || (version == PVR_POWER11))
+ extended_mask = PERF_REG_PMU_MASK_31;
+ else
+ return mask;
+
+ attr.sample_regs_intr = extended_mask;
+ attr.sample_period = 1;
+ event_attr_init(&attr);
+
+ /*
+ * check if the pmu supports perf extended regs, before
+ * returning the register mask to sample.
+ */
+ fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
+ if (fd != -1) {
+ close(fd);
+ mask |= extended_mask;
+ }
+ return mask;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+const struct sample_reg *arch__sample_reg_masks(void)
+{
+ return sample_reg_masks;
+}
diff --git a/tools/perf/arch/powerpc/util/pmu.c b/tools/perf/arch/powerpc/util/pmu.c
new file mode 100644
index 000000000000..554675deef7b
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/pmu.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <string.h>
+
+#include "../../../util/pmu.h"
+#include "mem-events.h"
+
+void perf_pmu__arch_init(struct perf_pmu *pmu)
+{
+ if (pmu->is_core)
+ pmu->mem_events = perf_mem_events_power;
+}
diff --git a/tools/perf/arch/powerpc/util/skip-callchain-idx.c b/tools/perf/arch/powerpc/util/skip-callchain-idx.c
index 0c370f81e002..356786432fd3 100644
--- a/tools/perf/arch/powerpc/util/skip-callchain-idx.c
+++ b/tools/perf/arch/powerpc/util/skip-callchain-idx.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Use DWARF Debug information to skip unnecessary callchain entries.
*
* Copyright (C) 2014 Sukadev Bhattiprolu, IBM Corporation.
* Copyright (C) 2014 Ulrich Weigand, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <inttypes.h>
#include <dwarf.h>
@@ -16,6 +12,10 @@
#include "util/thread.h"
#include "util/callchain.h"
#include "util/debug.h"
+#include "util/dso.h"
+#include "util/event.h" // struct ip_callchain
+#include "util/map.h"
+#include "util/symbol.h"
/*
* When saving the callchain on Power, the kernel conservatively saves
@@ -45,7 +45,7 @@ static const Dwfl_Callbacks offline_callbacks = {
*/
static int check_return_reg(int ra_regno, Dwarf_Frame *frame)
{
- Dwarf_Op ops_mem[2];
+ Dwarf_Op ops_mem[3];
Dwarf_Op dummy;
Dwarf_Op *ops = &dummy;
size_t nops;
@@ -58,9 +58,13 @@ static int check_return_reg(int ra_regno, Dwarf_Frame *frame)
}
/*
- * Check if return address is on the stack.
+ * Check if return address is on the stack. If return address
+ * is in a register (typically R0), it is yet to be saved on
+ * the stack.
*/
- if (nops != 0 || ops != NULL)
+ if ((nops != 0 || ops != NULL) &&
+ !(nops == 1 && ops[0].atom == DW_OP_regx &&
+ ops[0].number2 == 0 && ops[0].offset == 0))
return 0;
/*
@@ -155,9 +159,9 @@ static int check_return_addr(struct dso *dso, u64 map_start, Dwarf_Addr pc)
Dwarf_Addr start = pc;
Dwarf_Addr end = pc;
bool signalp;
- const char *exec_file = dso->long_name;
+ const char *exec_file = dso__long_name(dso);
- dwfl = dso->dwfl;
+ dwfl = RC_CHK_ACCESS(dso)->dwfl;
if (!dwfl) {
dwfl = dwfl_begin(&offline_callbacks);
@@ -179,7 +183,7 @@ static int check_return_addr(struct dso *dso, u64 map_start, Dwarf_Addr pc)
dwfl_end(dwfl);
goto out;
}
- dso->dwfl = dwfl;
+ RC_CHK_ACCESS(dso)->dwfl = dwfl;
}
mod = dwfl_addrmodule(dwfl, pc);
@@ -243,26 +247,27 @@ int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain)
u64 ip;
u64 skip_slot = -1;
- if (chain->nr < 3)
+ if (!chain || chain->nr < 3)
return skip_slot;
- ip = chain->ips[2];
+ addr_location__init(&al);
+ ip = chain->ips[1];
- thread__find_addr_location(thread, PERF_RECORD_MISC_USER,
- MAP__FUNCTION, ip, &al);
+ thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al);
if (al.map)
- dso = al.map->dso;
+ dso = map__dso(al.map);
if (!dso) {
pr_debug("%" PRIx64 " dso is NULL\n", ip);
+ addr_location__exit(&al);
return skip_slot;
}
- rc = check_return_addr(dso, al.map->start, ip);
+ rc = check_return_addr(dso, map__start(al.map), ip);
pr_debug("[DSO %s, sym %s, ip 0x%" PRIx64 "] rc %d\n",
- dso->long_name, al.sym->name, ip, rc);
+ dso__long_name(dso), al.sym->name, ip, rc);
if (rc == 0) {
/*
@@ -276,5 +281,7 @@ int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain)
*/
skip_slot = 3;
}
+
+ addr_location__exit(&al);
return skip_slot;
}
diff --git a/tools/perf/arch/powerpc/util/sym-handling.c b/tools/perf/arch/powerpc/util/sym-handling.c
index 39dbe512b9fc..947bfad7aa59 100644
--- a/tools/perf/arch/powerpc/util/sym-handling.c
+++ b/tools/perf/arch/powerpc/util/sym-handling.c
@@ -1,36 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2, as
- * published by the Free Software Foundation.
*
* Copyright (C) 2015 Naveen N. Rao, IBM Corporation
*/
-#include "debug.h"
+#include "dso.h"
#include "symbol.h"
#include "map.h"
#include "probe-event.h"
#include "probe-file.h"
-#ifdef HAVE_LIBELF_SUPPORT
-bool elf__needs_adjust_symbols(GElf_Ehdr ehdr)
-{
- return ehdr.e_type == ET_EXEC ||
- ehdr.e_type == ET_REL ||
- ehdr.e_type == ET_DYN;
-}
-
-#endif
-
-#if !defined(_CALL_ELF) || _CALL_ELF != 2
int arch__choose_best_symbol(struct symbol *syma,
struct symbol *symb __maybe_unused)
{
char *sym = syma->name;
+#if !defined(_CALL_ELF) || _CALL_ELF != 2
/* Skip over any initial dot */
if (*sym == '.')
sym++;
+#endif
/* Avoid "SyS" kernel syscall aliases */
if (strlen(sym) >= 3 && !strncmp(sym, "SyS", 3))
@@ -41,6 +30,7 @@ int arch__choose_best_symbol(struct symbol *syma,
return SYMBOL_A;
}
+#if !defined(_CALL_ELF) || _CALL_ELF != 2
/* Allow matching against dot variants */
int arch__compare_symbol_names(const char *namea, const char *nameb)
{
@@ -52,6 +42,26 @@ int arch__compare_symbol_names(const char *namea, const char *nameb)
return strcmp(namea, nameb);
}
+
+int arch__compare_symbol_names_n(const char *namea, const char *nameb,
+ unsigned int n)
+{
+ /* Skip over initial dot */
+ if (*namea == '.')
+ namea++;
+ if (*nameb == '.')
+ nameb++;
+
+ return strncmp(namea, nameb, n);
+}
+
+const char *arch__normalize_symbol_name(const char *name)
+{
+ /* Skip over initial dot */
+ if (name && *name == '.')
+ name++;
+ return name;
+}
#endif
#if defined(_CALL_ELF) && _CALL_ELF == 2
@@ -94,7 +104,7 @@ void arch__fix_tev_from_maps(struct perf_probe_event *pev,
lep_offset = PPC64_LOCAL_ENTRY_OFFSET(sym->arch_sym);
- if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS)
+ if (map__dso(map)->symtab_type == DSO_BINARY_TYPE__KALLSYMS)
tev->point.offset += PPC64LE_LEP_OFFSET;
else if (lep_offset) {
if (pev->uprobes)
@@ -114,15 +124,17 @@ void arch__post_process_probe_trace_events(struct perf_probe_event *pev,
struct rb_node *tmp;
int i = 0;
- map = get_target_map(pev->target, pev->uprobes);
+ map = get_target_map(pev->target, pev->nsi, pev->uprobes);
if (!map || map__load(map) < 0)
return;
for (i = 0; i < ntevs; i++) {
tev = &pev->tevs[i];
map__for_each_symbol(map, sym, tmp) {
- if (map->unmap_ip(map, sym->start) == tev->point.address)
+ if (map__unmap_ip(map, sym->start) == tev->point.address) {
arch__fix_tev_from_maps(pev, tev, map, sym);
+ break;
+ }
}
}
}
diff --git a/tools/perf/arch/powerpc/util/unwind-libdw.c b/tools/perf/arch/powerpc/util/unwind-libdw.c
new file mode 100644
index 000000000000..82d0c28ae345
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/unwind-libdw.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <elfutils/libdwfl.h>
+#include <linux/kernel.h>
+#include "perf_regs.h"
+#include "../../../util/unwind-libdw.h"
+#include "../../../util/perf_regs.h"
+#include "../../../util/sample.h"
+
+/* See backends/ppc_initreg.c and backends/ppc_regs.c in elfutils. */
+static const int special_regs[3][2] = {
+ { 65, PERF_REG_POWERPC_LINK },
+ { 101, PERF_REG_POWERPC_XER },
+ { 109, PERF_REG_POWERPC_CTR },
+};
+
+bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
+{
+ struct unwind_info *ui = arg;
+ struct regs_dump *user_regs = perf_sample__user_regs(ui->sample);
+ Dwarf_Word dwarf_regs[32], dwarf_nip;
+ size_t i;
+
+#define REG(r) ({ \
+ Dwarf_Word val = 0; \
+ perf_reg_value(&val, user_regs, PERF_REG_POWERPC_##r); \
+ val; \
+})
+
+ dwarf_regs[0] = REG(R0);
+ dwarf_regs[1] = REG(R1);
+ dwarf_regs[2] = REG(R2);
+ dwarf_regs[3] = REG(R3);
+ dwarf_regs[4] = REG(R4);
+ dwarf_regs[5] = REG(R5);
+ dwarf_regs[6] = REG(R6);
+ dwarf_regs[7] = REG(R7);
+ dwarf_regs[8] = REG(R8);
+ dwarf_regs[9] = REG(R9);
+ dwarf_regs[10] = REG(R10);
+ dwarf_regs[11] = REG(R11);
+ dwarf_regs[12] = REG(R12);
+ dwarf_regs[13] = REG(R13);
+ dwarf_regs[14] = REG(R14);
+ dwarf_regs[15] = REG(R15);
+ dwarf_regs[16] = REG(R16);
+ dwarf_regs[17] = REG(R17);
+ dwarf_regs[18] = REG(R18);
+ dwarf_regs[19] = REG(R19);
+ dwarf_regs[20] = REG(R20);
+ dwarf_regs[21] = REG(R21);
+ dwarf_regs[22] = REG(R22);
+ dwarf_regs[23] = REG(R23);
+ dwarf_regs[24] = REG(R24);
+ dwarf_regs[25] = REG(R25);
+ dwarf_regs[26] = REG(R26);
+ dwarf_regs[27] = REG(R27);
+ dwarf_regs[28] = REG(R28);
+ dwarf_regs[29] = REG(R29);
+ dwarf_regs[30] = REG(R30);
+ dwarf_regs[31] = REG(R31);
+ if (!dwfl_thread_state_registers(thread, 0, 32, dwarf_regs))
+ return false;
+
+ dwarf_nip = REG(NIP);
+ dwfl_thread_state_register_pc(thread, dwarf_nip);
+ for (i = 0; i < ARRAY_SIZE(special_regs); i++) {
+ Dwarf_Word val = 0;
+ perf_reg_value(&val, user_regs, special_regs[i][1]);
+ if (!dwfl_thread_state_registers(thread,
+ special_regs[i][0], 1,
+ &val))
+ return false;
+ }
+
+ return true;
+}
diff --git a/tools/perf/arch/powerpc/util/unwind-libunwind.c b/tools/perf/arch/powerpc/util/unwind-libunwind.c
index 9e15f92ae49f..90a6beda20de 100644
--- a/tools/perf/arch/powerpc/util/unwind-libunwind.c
+++ b/tools/perf/arch/powerpc/util/unwind-libunwind.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2016 Chandan Kumar, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <errno.h>
diff --git a/tools/perf/arch/powerpc/util/utils_header.h b/tools/perf/arch/powerpc/util/utils_header.h
new file mode 100644
index 000000000000..2baeb1c1ae85
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/utils_header.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_UTIL_HEADER_H
+#define __PERF_UTIL_HEADER_H
+
+#include <linux/stringify.h>
+
+#define mfspr(rn) ({unsigned long rval; \
+ asm volatile("mfspr %0," __stringify(rn) \
+ : "=r" (rval)); rval; })
+
+#define SPRN_PVR 0x11F /* Processor Version Register */
+#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
+#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revision field */
+
+#endif /* __PERF_UTIL_HEADER_H */
diff --git a/tools/perf/arch/riscv/Build b/tools/perf/arch/riscv/Build
new file mode 100644
index 000000000000..e63eabc2c8f4
--- /dev/null
+++ b/tools/perf/arch/riscv/Build
@@ -0,0 +1 @@
+perf-util-y += util/
diff --git a/tools/perf/arch/riscv/Makefile b/tools/perf/arch/riscv/Makefile
new file mode 100644
index 000000000000..087e099fb453
--- /dev/null
+++ b/tools/perf/arch/riscv/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+PERF_HAVE_JITDUMP := 1
+HAVE_KVM_STAT_SUPPORT := 1
diff --git a/tools/perf/arch/riscv/include/dwarf-regs-table.h b/tools/perf/arch/riscv/include/dwarf-regs-table.h
new file mode 100644
index 000000000000..a45b63a6d5a8
--- /dev/null
+++ b/tools/perf/arch/riscv/include/dwarf-regs-table.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifdef DEFINE_DWARF_REGSTR_TABLE
+/* This is included in perf/util/dwarf-regs.c */
+
+#define REG_DWARFNUM_NAME(reg, idx) [idx] = "%" #reg
+
+static const char * const riscv_regstr_tbl[] = {
+ REG_DWARFNUM_NAME("%zero", 0),
+ REG_DWARFNUM_NAME("%ra", 1),
+ REG_DWARFNUM_NAME("%sp", 2),
+ REG_DWARFNUM_NAME("%gp", 3),
+ REG_DWARFNUM_NAME("%tp", 4),
+ REG_DWARFNUM_NAME("%t0", 5),
+ REG_DWARFNUM_NAME("%t1", 6),
+ REG_DWARFNUM_NAME("%t2", 7),
+ REG_DWARFNUM_NAME("%s0", 8),
+ REG_DWARFNUM_NAME("%s1", 9),
+ REG_DWARFNUM_NAME("%a0", 10),
+ REG_DWARFNUM_NAME("%a1", 11),
+ REG_DWARFNUM_NAME("%a2", 12),
+ REG_DWARFNUM_NAME("%a3", 13),
+ REG_DWARFNUM_NAME("%a4", 14),
+ REG_DWARFNUM_NAME("%a5", 15),
+ REG_DWARFNUM_NAME("%a6", 16),
+ REG_DWARFNUM_NAME("%a7", 17),
+ REG_DWARFNUM_NAME("%s2", 18),
+ REG_DWARFNUM_NAME("%s3", 19),
+ REG_DWARFNUM_NAME("%s4", 20),
+ REG_DWARFNUM_NAME("%s5", 21),
+ REG_DWARFNUM_NAME("%s6", 22),
+ REG_DWARFNUM_NAME("%s7", 23),
+ REG_DWARFNUM_NAME("%s8", 24),
+ REG_DWARFNUM_NAME("%s9", 25),
+ REG_DWARFNUM_NAME("%s10", 26),
+ REG_DWARFNUM_NAME("%s11", 27),
+ REG_DWARFNUM_NAME("%t3", 28),
+ REG_DWARFNUM_NAME("%t4", 29),
+ REG_DWARFNUM_NAME("%t5", 30),
+ REG_DWARFNUM_NAME("%t6", 31),
+};
+
+#endif
diff --git a/tools/perf/arch/riscv/include/perf_regs.h b/tools/perf/arch/riscv/include/perf_regs.h
new file mode 100644
index 000000000000..d482edb413e5
--- /dev/null
+++ b/tools/perf/arch/riscv/include/perf_regs.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. */
+
+#ifndef ARCH_PERF_REGS_H
+#define ARCH_PERF_REGS_H
+
+#include <stdlib.h>
+#include <linux/types.h>
+#include <asm/perf_regs.h>
+
+#define PERF_REGS_MASK ((1ULL << PERF_REG_RISCV_MAX) - 1)
+#define PERF_REGS_MAX PERF_REG_RISCV_MAX
+#if __riscv_xlen == 64
+#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_64
+#else
+#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32
+#endif
+
+#endif /* ARCH_PERF_REGS_H */
diff --git a/tools/perf/arch/riscv/util/Build b/tools/perf/arch/riscv/util/Build
new file mode 100644
index 000000000000..58a672246024
--- /dev/null
+++ b/tools/perf/arch/riscv/util/Build
@@ -0,0 +1,5 @@
+perf-util-y += perf_regs.o
+perf-util-y += header.o
+
+perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
+perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
diff --git a/tools/perf/arch/riscv/util/header.c b/tools/perf/arch/riscv/util/header.c
new file mode 100644
index 000000000000..4b839203d4a5
--- /dev/null
+++ b/tools/perf/arch/riscv/util/header.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Implementation of get_cpuid().
+ *
+ * Author: Nikita Shubin <n.shubin@yadro.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <api/fs/fs.h>
+#include <errno.h>
+#include "../../util/debug.h"
+#include "../../util/header.h"
+
+#define CPUINFO_MVEN "mvendorid"
+#define CPUINFO_MARCH "marchid"
+#define CPUINFO_MIMP "mimpid"
+#define CPUINFO "/proc/cpuinfo"
+
+static char *_get_field(const char *line)
+{
+ char *line2, *nl;
+
+ line2 = strrchr(line, ' ');
+ if (!line2)
+ return NULL;
+
+ line2++;
+ nl = strrchr(line, '\n');
+ if (!nl)
+ return NULL;
+
+ return strndup(line2, nl - line2);
+}
+
+static char *_get_cpuid(void)
+{
+ char *line = NULL;
+ char *mvendorid = NULL;
+ char *marchid = NULL;
+ char *mimpid = NULL;
+ char *cpuid = NULL;
+ int read;
+ size_t line_sz;
+ FILE *cpuinfo;
+
+ cpuinfo = fopen(CPUINFO, "r");
+ if (cpuinfo == NULL)
+ return cpuid;
+
+ while ((read = getline(&line, &line_sz, cpuinfo)) != -1) {
+ if (!strncmp(line, CPUINFO_MVEN, strlen(CPUINFO_MVEN))) {
+ mvendorid = _get_field(line);
+ if (!mvendorid)
+ goto free;
+ } else if (!strncmp(line, CPUINFO_MARCH, strlen(CPUINFO_MARCH))) {
+ marchid = _get_field(line);
+ if (!marchid)
+ goto free;
+ } else if (!strncmp(line, CPUINFO_MIMP, strlen(CPUINFO_MIMP))) {
+ mimpid = _get_field(line);
+ if (!mimpid)
+ goto free;
+
+ break;
+ }
+ }
+
+ if (!mvendorid || !marchid || !mimpid)
+ goto free;
+
+ if (asprintf(&cpuid, "%s-%s-%s", mvendorid, marchid, mimpid) < 0)
+ cpuid = NULL;
+
+free:
+ fclose(cpuinfo);
+ free(mvendorid);
+ free(marchid);
+ free(mimpid);
+
+ return cpuid;
+}
+
+int get_cpuid(char *buffer, size_t sz, struct perf_cpu cpu __maybe_unused)
+{
+ char *cpuid = _get_cpuid();
+ int ret = 0;
+
+ if (sz < strlen(cpuid)) {
+ ret = -EINVAL;
+ goto free;
+ }
+
+ scnprintf(buffer, sz, "%s", cpuid);
+free:
+ free(cpuid);
+ return ret;
+}
+
+char *
+get_cpuid_str(struct perf_cpu cpu __maybe_unused)
+{
+ return _get_cpuid();
+}
diff --git a/tools/perf/arch/riscv/util/kvm-stat.c b/tools/perf/arch/riscv/util/kvm-stat.c
new file mode 100644
index 000000000000..3ea7acb5e159
--- /dev/null
+++ b/tools/perf/arch/riscv/util/kvm-stat.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Arch specific functions for perf kvm stat.
+ *
+ * Copyright 2024 Beijing ESWIN Computing Technology Co., Ltd.
+ *
+ */
+#include <errno.h>
+#include <memory.h>
+#include "../../../util/evsel.h"
+#include "../../../util/kvm-stat.h"
+#include "riscv_trap_types.h"
+#include "debug.h"
+
+define_exit_reasons_table(riscv_exit_reasons, kvm_riscv_trap_class);
+
+const char *vcpu_id_str = "id";
+const char *kvm_exit_reason = "scause";
+const char *kvm_entry_trace = "kvm:kvm_entry";
+const char *kvm_exit_trace = "kvm:kvm_exit";
+
+const char *kvm_events_tp[] = {
+ "kvm:kvm_entry",
+ "kvm:kvm_exit",
+ NULL,
+};
+
+static void event_get_key(struct evsel *evsel,
+ struct perf_sample *sample,
+ struct event_key *key)
+{
+ key->info = 0;
+ key->key = evsel__intval(evsel, sample, kvm_exit_reason) & ~CAUSE_IRQ_FLAG;
+ key->exit_reasons = riscv_exit_reasons;
+}
+
+static bool event_begin(struct evsel *evsel,
+ struct perf_sample *sample __maybe_unused,
+ struct event_key *key __maybe_unused)
+{
+ return evsel__name_is(evsel, kvm_entry_trace);
+}
+
+static bool event_end(struct evsel *evsel,
+ struct perf_sample *sample,
+ struct event_key *key)
+{
+ if (evsel__name_is(evsel, kvm_exit_trace)) {
+ event_get_key(evsel, sample, key);
+ return true;
+ }
+ return false;
+}
+
+static struct kvm_events_ops exit_events = {
+ .is_begin_event = event_begin,
+ .is_end_event = event_end,
+ .decode_key = exit_event_decode_key,
+ .name = "VM-EXIT"
+};
+
+struct kvm_reg_events_ops kvm_reg_events_ops[] = {
+ {
+ .name = "vmexit",
+ .ops = &exit_events,
+ },
+ { NULL, NULL },
+};
+
+const char * const kvm_skip_events[] = {
+ NULL,
+};
+
+int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid __maybe_unused)
+{
+ kvm->exit_reasons_isa = "riscv64";
+ return 0;
+}
diff --git a/tools/perf/arch/riscv/util/perf_regs.c b/tools/perf/arch/riscv/util/perf_regs.c
new file mode 100644
index 000000000000..6b1665f41180
--- /dev/null
+++ b/tools/perf/arch/riscv/util/perf_regs.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "perf_regs.h"
+#include "../../util/perf_regs.h"
+
+static const struct sample_reg sample_reg_masks[] = {
+ SMPL_REG_END
+};
+
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+const struct sample_reg *arch__sample_reg_masks(void)
+{
+ return sample_reg_masks;
+}
diff --git a/tools/perf/arch/riscv/util/riscv_trap_types.h b/tools/perf/arch/riscv/util/riscv_trap_types.h
new file mode 100644
index 000000000000..6cc71eb01fca
--- /dev/null
+++ b/tools/perf/arch/riscv/util/riscv_trap_types.h
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef ARCH_PERF_RISCV_TRAP_TYPES_H
+#define ARCH_PERF_RISCV_TRAP_TYPES_H
+
+/* Exception cause high bit - is an interrupt if set */
+#define CAUSE_IRQ_FLAG (_AC(1, UL) << (__riscv_xlen - 1))
+
+/* Interrupt causes (minus the high bit) */
+#define IRQ_S_SOFT 1
+#define IRQ_VS_SOFT 2
+#define IRQ_M_SOFT 3
+#define IRQ_S_TIMER 5
+#define IRQ_VS_TIMER 6
+#define IRQ_M_TIMER 7
+#define IRQ_S_EXT 9
+#define IRQ_VS_EXT 10
+#define IRQ_M_EXT 11
+#define IRQ_S_GEXT 12
+#define IRQ_PMU_OVF 13
+
+/* Exception causes */
+#define EXC_INST_MISALIGNED 0
+#define EXC_INST_ACCESS 1
+#define EXC_INST_ILLEGAL 2
+#define EXC_BREAKPOINT 3
+#define EXC_LOAD_MISALIGNED 4
+#define EXC_LOAD_ACCESS 5
+#define EXC_STORE_MISALIGNED 6
+#define EXC_STORE_ACCESS 7
+#define EXC_SYSCALL 8
+#define EXC_HYPERVISOR_SYSCALL 9
+#define EXC_SUPERVISOR_SYSCALL 10
+#define EXC_INST_PAGE_FAULT 12
+#define EXC_LOAD_PAGE_FAULT 13
+#define EXC_STORE_PAGE_FAULT 15
+#define EXC_INST_GUEST_PAGE_FAULT 20
+#define EXC_LOAD_GUEST_PAGE_FAULT 21
+#define EXC_VIRTUAL_INST_FAULT 22
+#define EXC_STORE_GUEST_PAGE_FAULT 23
+
+#define TRAP(x) { x, #x }
+
+#define kvm_riscv_trap_class \
+ TRAP(IRQ_S_SOFT), TRAP(IRQ_VS_SOFT), TRAP(IRQ_M_SOFT), \
+ TRAP(IRQ_S_TIMER), TRAP(IRQ_VS_TIMER), TRAP(IRQ_M_TIMER), \
+ TRAP(IRQ_S_EXT), TRAP(IRQ_VS_EXT), TRAP(IRQ_M_EXT), \
+ TRAP(IRQ_S_GEXT), TRAP(IRQ_PMU_OVF), \
+ TRAP(EXC_INST_MISALIGNED), TRAP(EXC_INST_ACCESS), TRAP(EXC_INST_ILLEGAL), \
+ TRAP(EXC_BREAKPOINT), TRAP(EXC_LOAD_MISALIGNED), TRAP(EXC_LOAD_ACCESS), \
+ TRAP(EXC_STORE_MISALIGNED), TRAP(EXC_STORE_ACCESS), TRAP(EXC_SYSCALL), \
+ TRAP(EXC_HYPERVISOR_SYSCALL), TRAP(EXC_SUPERVISOR_SYSCALL), \
+ TRAP(EXC_INST_PAGE_FAULT), TRAP(EXC_LOAD_PAGE_FAULT), \
+ TRAP(EXC_STORE_PAGE_FAULT), TRAP(EXC_INST_GUEST_PAGE_FAULT), \
+ TRAP(EXC_LOAD_GUEST_PAGE_FAULT), TRAP(EXC_VIRTUAL_INST_FAULT), \
+ TRAP(EXC_STORE_GUEST_PAGE_FAULT)
+
+#endif /* ARCH_PERF_RISCV_TRAP_TYPES_H */
diff --git a/tools/perf/arch/riscv/util/unwind-libdw.c b/tools/perf/arch/riscv/util/unwind-libdw.c
new file mode 100644
index 000000000000..dc1476e16321
--- /dev/null
+++ b/tools/perf/arch/riscv/util/unwind-libdw.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. */
+
+#include <elfutils/libdwfl.h>
+#include "perf_regs.h"
+#include "../../util/unwind-libdw.h"
+#include "../../util/perf_regs.h"
+#include "../../util/sample.h"
+
+bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
+{
+ struct unwind_info *ui = arg;
+ struct regs_dump *user_regs = perf_sample__user_regs(ui->sample);
+ Dwarf_Word dwarf_regs[32];
+
+#define REG(r) ({ \
+ Dwarf_Word val = 0; \
+ perf_reg_value(&val, user_regs, PERF_REG_RISCV_##r); \
+ val; \
+})
+
+ dwarf_regs[0] = 0;
+ dwarf_regs[1] = REG(RA);
+ dwarf_regs[2] = REG(SP);
+ dwarf_regs[3] = REG(GP);
+ dwarf_regs[4] = REG(TP);
+ dwarf_regs[5] = REG(T0);
+ dwarf_regs[6] = REG(T1);
+ dwarf_regs[7] = REG(T2);
+ dwarf_regs[8] = REG(S0);
+ dwarf_regs[9] = REG(S1);
+ dwarf_regs[10] = REG(A0);
+ dwarf_regs[11] = REG(A1);
+ dwarf_regs[12] = REG(A2);
+ dwarf_regs[13] = REG(A3);
+ dwarf_regs[14] = REG(A4);
+ dwarf_regs[15] = REG(A5);
+ dwarf_regs[16] = REG(A6);
+ dwarf_regs[17] = REG(A7);
+ dwarf_regs[18] = REG(S2);
+ dwarf_regs[19] = REG(S3);
+ dwarf_regs[20] = REG(S4);
+ dwarf_regs[21] = REG(S5);
+ dwarf_regs[22] = REG(S6);
+ dwarf_regs[23] = REG(S7);
+ dwarf_regs[24] = REG(S8);
+ dwarf_regs[25] = REG(S9);
+ dwarf_regs[26] = REG(S10);
+ dwarf_regs[27] = REG(S11);
+ dwarf_regs[28] = REG(T3);
+ dwarf_regs[29] = REG(T4);
+ dwarf_regs[30] = REG(T5);
+ dwarf_regs[31] = REG(T6);
+ dwfl_thread_state_register_pc(thread, REG(PC));
+
+ return dwfl_thread_state_registers(thread, 0, PERF_REG_RISCV_MAX,
+ dwarf_regs);
+}
diff --git a/tools/perf/arch/riscv64/annotate/instructions.c b/tools/perf/arch/riscv64/annotate/instructions.c
new file mode 100644
index 000000000000..55cf911633f8
--- /dev/null
+++ b/tools/perf/arch/riscv64/annotate/instructions.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0
+
+static
+struct ins_ops *riscv64__associate_ins_ops(struct arch *arch, const char *name)
+{
+ struct ins_ops *ops = NULL;
+
+ if (!strncmp(name, "jal", 3) ||
+ !strncmp(name, "jr", 2) ||
+ !strncmp(name, "call", 4))
+ ops = &call_ops;
+ else if (!strncmp(name, "ret", 3))
+ ops = &ret_ops;
+ else if (name[0] == 'j' || name[0] == 'b')
+ ops = &jump_ops;
+ else
+ return NULL;
+
+ arch__associate_ins_ops(arch, name, ops);
+
+ return ops;
+}
+
+static
+int riscv64__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+ if (!arch->initialized) {
+ arch->associate_instruction_ops = riscv64__associate_ins_ops;
+ arch->initialized = true;
+ arch->objdump.comment_char = '#';
+ arch->e_machine = EM_RISCV;
+ arch->e_flags = 0;
+ }
+
+ return 0;
+}
diff --git a/tools/perf/arch/s390/Build b/tools/perf/arch/s390/Build
index 54afe4a467e7..e63eabc2c8f4 100644
--- a/tools/perf/arch/s390/Build
+++ b/tools/perf/arch/s390/Build
@@ -1 +1 @@
-libperf-y += util/
+perf-util-y += util/
diff --git a/tools/perf/arch/s390/Makefile b/tools/perf/arch/s390/Makefile
index 21322e0385b8..0033698a65ce 100644
--- a/tools/perf/arch/s390/Makefile
+++ b/tools/perf/arch/s390/Makefile
@@ -1,4 +1,3 @@
-ifndef NO_DWARF
-PERF_HAVE_DWARF_REGS := 1
-endif
+# SPDX-License-Identifier: GPL-2.0-only
HAVE_KVM_STAT_SUPPORT := 1
+PERF_HAVE_JITDUMP := 1
diff --git a/tools/perf/arch/s390/annotate/instructions.c b/tools/perf/arch/s390/annotate/instructions.c
new file mode 100644
index 000000000000..c61193f1e096
--- /dev/null
+++ b/tools/perf/arch/s390/annotate/instructions.c
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/compiler.h>
+
+static int s390_call__parse(struct arch *arch, struct ins_operands *ops,
+ struct map_symbol *ms, struct disasm_line *dl __maybe_unused)
+{
+ char *endptr, *tok, *name;
+ struct map *map = ms->map;
+ struct addr_map_symbol target = {
+ .ms = { .map = map, },
+ };
+
+ tok = strchr(ops->raw, ',');
+ if (!tok)
+ return -1;
+
+ ops->target.addr = strtoull(tok + 1, &endptr, 16);
+
+ name = strchr(endptr, '<');
+ if (name == NULL)
+ return -1;
+
+ name++;
+
+ if (arch->objdump.skip_functions_char &&
+ strchr(name, arch->objdump.skip_functions_char))
+ return -1;
+
+ tok = strchr(name, '>');
+ if (tok == NULL)
+ return -1;
+
+ *tok = '\0';
+ ops->target.name = strdup(name);
+ *tok = '>';
+
+ if (ops->target.name == NULL)
+ return -1;
+ target.addr = map__objdump_2mem(map, ops->target.addr);
+
+ if (maps__find_ams(ms->maps, &target) == 0 &&
+ map__rip_2objdump(target.ms.map, map__map_ip(target.ms.map, target.addr)) == ops->target.addr)
+ ops->target.sym = target.ms.sym;
+
+ return 0;
+}
+
+static struct ins_ops s390_call_ops = {
+ .parse = s390_call__parse,
+ .scnprintf = call__scnprintf,
+};
+
+static int s390_mov__parse(struct arch *arch __maybe_unused,
+ struct ins_operands *ops,
+ struct map_symbol *ms __maybe_unused,
+ struct disasm_line *dl __maybe_unused)
+{
+ char *s = strchr(ops->raw, ','), *target, *endptr;
+
+ if (s == NULL)
+ return -1;
+
+ *s = '\0';
+ ops->source.raw = strdup(ops->raw);
+ *s = ',';
+
+ if (ops->source.raw == NULL)
+ return -1;
+
+ target = ++s;
+ ops->target.raw = strdup(target);
+ if (ops->target.raw == NULL)
+ goto out_free_source;
+
+ ops->target.addr = strtoull(target, &endptr, 16);
+ if (endptr == target)
+ goto out_free_target;
+
+ s = strchr(endptr, '<');
+ if (s == NULL)
+ goto out_free_target;
+ endptr = strchr(s + 1, '>');
+ if (endptr == NULL)
+ goto out_free_target;
+
+ *endptr = '\0';
+ ops->target.name = strdup(s + 1);
+ *endptr = '>';
+ if (ops->target.name == NULL)
+ goto out_free_target;
+
+ return 0;
+
+out_free_target:
+ zfree(&ops->target.raw);
+out_free_source:
+ zfree(&ops->source.raw);
+ return -1;
+}
+
+
+static struct ins_ops s390_mov_ops = {
+ .parse = s390_mov__parse,
+ .scnprintf = mov__scnprintf,
+};
+
+static struct ins_ops *s390__associate_ins_ops(struct arch *arch, const char *name)
+{
+ struct ins_ops *ops = NULL;
+
+ /* catch all kind of jumps */
+ if (strchr(name, 'j') ||
+ !strncmp(name, "bct", 3) ||
+ !strncmp(name, "br", 2))
+ ops = &jump_ops;
+ /* override call/returns */
+ if (!strcmp(name, "bras") ||
+ !strcmp(name, "brasl") ||
+ !strcmp(name, "basr"))
+ ops = &s390_call_ops;
+ if (!strcmp(name, "br"))
+ ops = &ret_ops;
+ /* override load/store relative to PC */
+ if (!strcmp(name, "lrl") ||
+ !strcmp(name, "lgrl") ||
+ !strcmp(name, "lgfrl") ||
+ !strcmp(name, "llgfrl") ||
+ !strcmp(name, "strl") ||
+ !strcmp(name, "stgrl"))
+ ops = &s390_mov_ops;
+
+ if (ops)
+ arch__associate_ins_ops(arch, name, ops);
+ return ops;
+}
+
+static int s390__cpuid_parse(struct arch *arch, char *cpuid)
+{
+ unsigned int family;
+ char model[16], model_c[16], cpumf_v[16], cpumf_a[16];
+ int ret;
+
+ /*
+ * cpuid string format:
+ * "IBM,family,model-capacity,model[,cpum_cf-version,cpum_cf-authorization]"
+ */
+ ret = sscanf(cpuid, "%*[^,],%u,%[^,],%[^,],%[^,],%s", &family, model_c,
+ model, cpumf_v, cpumf_a);
+ if (ret >= 2) {
+ arch->family = family;
+ arch->model = 0;
+ return 0;
+ }
+
+ return -1;
+}
+
+static int s390__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+ int err = 0;
+
+ if (!arch->initialized) {
+ arch->initialized = true;
+ arch->associate_instruction_ops = s390__associate_ins_ops;
+ if (cpuid) {
+ if (s390__cpuid_parse(arch, cpuid))
+ err = SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_CPUID_PARSING;
+ }
+ arch->e_machine = EM_S390;
+ arch->e_flags = 0;
+ }
+
+ return err;
+}
diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
new file mode 100644
index 000000000000..8a6744d658db
--- /dev/null
+++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -0,0 +1,474 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# System call table for s390
+#
+# Format:
+#
+# <nr> <abi> <syscall> <entry-64bit> <compat-entry>
+#
+# where <abi> can be common, 64, or 32
+
+1 common exit sys_exit sys_exit
+2 common fork sys_fork sys_fork
+3 common read sys_read compat_sys_s390_read
+4 common write sys_write compat_sys_s390_write
+5 common open sys_open compat_sys_open
+6 common close sys_close sys_close
+7 common restart_syscall sys_restart_syscall sys_restart_syscall
+8 common creat sys_creat sys_creat
+9 common link sys_link sys_link
+10 common unlink sys_unlink sys_unlink
+11 common execve sys_execve compat_sys_execve
+12 common chdir sys_chdir sys_chdir
+13 32 time - sys_time32
+14 common mknod sys_mknod sys_mknod
+15 common chmod sys_chmod sys_chmod
+16 32 lchown - sys_lchown16
+19 common lseek sys_lseek compat_sys_lseek
+20 common getpid sys_getpid sys_getpid
+21 common mount sys_mount sys_mount
+22 common umount sys_oldumount sys_oldumount
+23 32 setuid - sys_setuid16
+24 32 getuid - sys_getuid16
+25 32 stime - sys_stime32
+26 common ptrace sys_ptrace compat_sys_ptrace
+27 common alarm sys_alarm sys_alarm
+29 common pause sys_pause sys_pause
+30 common utime sys_utime sys_utime32
+33 common access sys_access sys_access
+34 common nice sys_nice sys_nice
+36 common sync sys_sync sys_sync
+37 common kill sys_kill sys_kill
+38 common rename sys_rename sys_rename
+39 common mkdir sys_mkdir sys_mkdir
+40 common rmdir sys_rmdir sys_rmdir
+41 common dup sys_dup sys_dup
+42 common pipe sys_pipe sys_pipe
+43 common times sys_times compat_sys_times
+45 common brk sys_brk sys_brk
+46 32 setgid - sys_setgid16
+47 32 getgid - sys_getgid16
+48 common signal sys_signal sys_signal
+49 32 geteuid - sys_geteuid16
+50 32 getegid - sys_getegid16
+51 common acct sys_acct sys_acct
+52 common umount2 sys_umount sys_umount
+54 common ioctl sys_ioctl compat_sys_ioctl
+55 common fcntl sys_fcntl compat_sys_fcntl
+57 common setpgid sys_setpgid sys_setpgid
+60 common umask sys_umask sys_umask
+61 common chroot sys_chroot sys_chroot
+62 common ustat sys_ustat compat_sys_ustat
+63 common dup2 sys_dup2 sys_dup2
+64 common getppid sys_getppid sys_getppid
+65 common getpgrp sys_getpgrp sys_getpgrp
+66 common setsid sys_setsid sys_setsid
+67 common sigaction sys_sigaction compat_sys_sigaction
+70 32 setreuid - sys_setreuid16
+71 32 setregid - sys_setregid16
+72 common sigsuspend sys_sigsuspend sys_sigsuspend
+73 common sigpending sys_sigpending compat_sys_sigpending
+74 common sethostname sys_sethostname sys_sethostname
+75 common setrlimit sys_setrlimit compat_sys_setrlimit
+76 32 getrlimit - compat_sys_old_getrlimit
+77 common getrusage sys_getrusage compat_sys_getrusage
+78 common gettimeofday sys_gettimeofday compat_sys_gettimeofday
+79 common settimeofday sys_settimeofday compat_sys_settimeofday
+80 32 getgroups - sys_getgroups16
+81 32 setgroups - sys_setgroups16
+83 common symlink sys_symlink sys_symlink
+85 common readlink sys_readlink sys_readlink
+86 common uselib sys_uselib sys_uselib
+87 common swapon sys_swapon sys_swapon
+88 common reboot sys_reboot sys_reboot
+89 common readdir - compat_sys_old_readdir
+90 common mmap sys_old_mmap compat_sys_s390_old_mmap
+91 common munmap sys_munmap sys_munmap
+92 common truncate sys_truncate compat_sys_truncate
+93 common ftruncate sys_ftruncate compat_sys_ftruncate
+94 common fchmod sys_fchmod sys_fchmod
+95 32 fchown - sys_fchown16
+96 common getpriority sys_getpriority sys_getpriority
+97 common setpriority sys_setpriority sys_setpriority
+99 common statfs sys_statfs compat_sys_statfs
+100 common fstatfs sys_fstatfs compat_sys_fstatfs
+101 32 ioperm - -
+102 common socketcall sys_socketcall compat_sys_socketcall
+103 common syslog sys_syslog sys_syslog
+104 common setitimer sys_setitimer compat_sys_setitimer
+105 common getitimer sys_getitimer compat_sys_getitimer
+106 common stat sys_newstat compat_sys_newstat
+107 common lstat sys_newlstat compat_sys_newlstat
+108 common fstat sys_newfstat compat_sys_newfstat
+110 common lookup_dcookie - -
+111 common vhangup sys_vhangup sys_vhangup
+112 common idle - -
+114 common wait4 sys_wait4 compat_sys_wait4
+115 common swapoff sys_swapoff sys_swapoff
+116 common sysinfo sys_sysinfo compat_sys_sysinfo
+117 common ipc sys_s390_ipc compat_sys_s390_ipc
+118 common fsync sys_fsync sys_fsync
+119 common sigreturn sys_sigreturn compat_sys_sigreturn
+120 common clone sys_clone sys_clone
+121 common setdomainname sys_setdomainname sys_setdomainname
+122 common uname sys_newuname sys_newuname
+124 common adjtimex sys_adjtimex sys_adjtimex_time32
+125 common mprotect sys_mprotect sys_mprotect
+126 common sigprocmask sys_sigprocmask compat_sys_sigprocmask
+127 common create_module - -
+128 common init_module sys_init_module sys_init_module
+129 common delete_module sys_delete_module sys_delete_module
+130 common get_kernel_syms - -
+131 common quotactl sys_quotactl sys_quotactl
+132 common getpgid sys_getpgid sys_getpgid
+133 common fchdir sys_fchdir sys_fchdir
+134 common bdflush sys_ni_syscall sys_ni_syscall
+135 common sysfs sys_sysfs sys_sysfs
+136 common personality sys_s390_personality sys_s390_personality
+137 common afs_syscall - -
+138 32 setfsuid - sys_setfsuid16
+139 32 setfsgid - sys_setfsgid16
+140 32 _llseek - sys_llseek
+141 common getdents sys_getdents compat_sys_getdents
+142 32 _newselect - compat_sys_select
+142 64 select sys_select -
+143 common flock sys_flock sys_flock
+144 common msync sys_msync sys_msync
+145 common readv sys_readv sys_readv
+146 common writev sys_writev sys_writev
+147 common getsid sys_getsid sys_getsid
+148 common fdatasync sys_fdatasync sys_fdatasync
+149 common _sysctl - -
+150 common mlock sys_mlock sys_mlock
+151 common munlock sys_munlock sys_munlock
+152 common mlockall sys_mlockall sys_mlockall
+153 common munlockall sys_munlockall sys_munlockall
+154 common sched_setparam sys_sched_setparam sys_sched_setparam
+155 common sched_getparam sys_sched_getparam sys_sched_getparam
+156 common sched_setscheduler sys_sched_setscheduler sys_sched_setscheduler
+157 common sched_getscheduler sys_sched_getscheduler sys_sched_getscheduler
+158 common sched_yield sys_sched_yield sys_sched_yield
+159 common sched_get_priority_max sys_sched_get_priority_max sys_sched_get_priority_max
+160 common sched_get_priority_min sys_sched_get_priority_min sys_sched_get_priority_min
+161 common sched_rr_get_interval sys_sched_rr_get_interval sys_sched_rr_get_interval_time32
+162 common nanosleep sys_nanosleep sys_nanosleep_time32
+163 common mremap sys_mremap sys_mremap
+164 32 setresuid - sys_setresuid16
+165 32 getresuid - sys_getresuid16
+167 common query_module - -
+168 common poll sys_poll sys_poll
+169 common nfsservctl - -
+170 32 setresgid - sys_setresgid16
+171 32 getresgid - sys_getresgid16
+172 common prctl sys_prctl sys_prctl
+173 common rt_sigreturn sys_rt_sigreturn compat_sys_rt_sigreturn
+174 common rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction
+175 common rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask
+176 common rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending
+177 common rt_sigtimedwait sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time32
+178 common rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo
+179 common rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend
+180 common pread64 sys_pread64 compat_sys_s390_pread64
+181 common pwrite64 sys_pwrite64 compat_sys_s390_pwrite64
+182 32 chown - sys_chown16
+183 common getcwd sys_getcwd sys_getcwd
+184 common capget sys_capget sys_capget
+185 common capset sys_capset sys_capset
+186 common sigaltstack sys_sigaltstack compat_sys_sigaltstack
+187 common sendfile sys_sendfile64 compat_sys_sendfile
+188 common getpmsg - -
+189 common putpmsg - -
+190 common vfork sys_vfork sys_vfork
+191 32 ugetrlimit - compat_sys_getrlimit
+191 64 getrlimit sys_getrlimit -
+192 32 mmap2 - compat_sys_s390_mmap2
+193 32 truncate64 - compat_sys_s390_truncate64
+194 32 ftruncate64 - compat_sys_s390_ftruncate64
+195 32 stat64 - compat_sys_s390_stat64
+196 32 lstat64 - compat_sys_s390_lstat64
+197 32 fstat64 - compat_sys_s390_fstat64
+198 32 lchown32 - sys_lchown
+198 64 lchown sys_lchown -
+199 32 getuid32 - sys_getuid
+199 64 getuid sys_getuid -
+200 32 getgid32 - sys_getgid
+200 64 getgid sys_getgid -
+201 32 geteuid32 - sys_geteuid
+201 64 geteuid sys_geteuid -
+202 32 getegid32 - sys_getegid
+202 64 getegid sys_getegid -
+203 32 setreuid32 - sys_setreuid
+203 64 setreuid sys_setreuid -
+204 32 setregid32 - sys_setregid
+204 64 setregid sys_setregid -
+205 32 getgroups32 - sys_getgroups
+205 64 getgroups sys_getgroups -
+206 32 setgroups32 - sys_setgroups
+206 64 setgroups sys_setgroups -
+207 32 fchown32 - sys_fchown
+207 64 fchown sys_fchown -
+208 32 setresuid32 - sys_setresuid
+208 64 setresuid sys_setresuid -
+209 32 getresuid32 - sys_getresuid
+209 64 getresuid sys_getresuid -
+210 32 setresgid32 - sys_setresgid
+210 64 setresgid sys_setresgid -
+211 32 getresgid32 - sys_getresgid
+211 64 getresgid sys_getresgid -
+212 32 chown32 - sys_chown
+212 64 chown sys_chown -
+213 32 setuid32 - sys_setuid
+213 64 setuid sys_setuid -
+214 32 setgid32 - sys_setgid
+214 64 setgid sys_setgid -
+215 32 setfsuid32 - sys_setfsuid
+215 64 setfsuid sys_setfsuid -
+216 32 setfsgid32 - sys_setfsgid
+216 64 setfsgid sys_setfsgid -
+217 common pivot_root sys_pivot_root sys_pivot_root
+218 common mincore sys_mincore sys_mincore
+219 common madvise sys_madvise sys_madvise
+220 common getdents64 sys_getdents64 sys_getdents64
+221 32 fcntl64 - compat_sys_fcntl64
+222 common readahead sys_readahead compat_sys_s390_readahead
+223 32 sendfile64 - compat_sys_sendfile64
+224 common setxattr sys_setxattr sys_setxattr
+225 common lsetxattr sys_lsetxattr sys_lsetxattr
+226 common fsetxattr sys_fsetxattr sys_fsetxattr
+227 common getxattr sys_getxattr sys_getxattr
+228 common lgetxattr sys_lgetxattr sys_lgetxattr
+229 common fgetxattr sys_fgetxattr sys_fgetxattr
+230 common listxattr sys_listxattr sys_listxattr
+231 common llistxattr sys_llistxattr sys_llistxattr
+232 common flistxattr sys_flistxattr sys_flistxattr
+233 common removexattr sys_removexattr sys_removexattr
+234 common lremovexattr sys_lremovexattr sys_lremovexattr
+235 common fremovexattr sys_fremovexattr sys_fremovexattr
+236 common gettid sys_gettid sys_gettid
+237 common tkill sys_tkill sys_tkill
+238 common futex sys_futex sys_futex_time32
+239 common sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity
+240 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity
+241 common tgkill sys_tgkill sys_tgkill
+243 common io_setup sys_io_setup compat_sys_io_setup
+244 common io_destroy sys_io_destroy sys_io_destroy
+245 common io_getevents sys_io_getevents sys_io_getevents_time32
+246 common io_submit sys_io_submit compat_sys_io_submit
+247 common io_cancel sys_io_cancel sys_io_cancel
+248 common exit_group sys_exit_group sys_exit_group
+249 common epoll_create sys_epoll_create sys_epoll_create
+250 common epoll_ctl sys_epoll_ctl sys_epoll_ctl
+251 common epoll_wait sys_epoll_wait sys_epoll_wait
+252 common set_tid_address sys_set_tid_address sys_set_tid_address
+253 common fadvise64 sys_fadvise64_64 compat_sys_s390_fadvise64
+254 common timer_create sys_timer_create compat_sys_timer_create
+255 common timer_settime sys_timer_settime sys_timer_settime32
+256 common timer_gettime sys_timer_gettime sys_timer_gettime32
+257 common timer_getoverrun sys_timer_getoverrun sys_timer_getoverrun
+258 common timer_delete sys_timer_delete sys_timer_delete
+259 common clock_settime sys_clock_settime sys_clock_settime32
+260 common clock_gettime sys_clock_gettime sys_clock_gettime32
+261 common clock_getres sys_clock_getres sys_clock_getres_time32
+262 common clock_nanosleep sys_clock_nanosleep sys_clock_nanosleep_time32
+264 32 fadvise64_64 - compat_sys_s390_fadvise64_64
+265 common statfs64 sys_statfs64 compat_sys_statfs64
+266 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64
+267 common remap_file_pages sys_remap_file_pages sys_remap_file_pages
+268 common mbind sys_mbind sys_mbind
+269 common get_mempolicy sys_get_mempolicy sys_get_mempolicy
+270 common set_mempolicy sys_set_mempolicy sys_set_mempolicy
+271 common mq_open sys_mq_open compat_sys_mq_open
+272 common mq_unlink sys_mq_unlink sys_mq_unlink
+273 common mq_timedsend sys_mq_timedsend sys_mq_timedsend_time32
+274 common mq_timedreceive sys_mq_timedreceive sys_mq_timedreceive_time32
+275 common mq_notify sys_mq_notify compat_sys_mq_notify
+276 common mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr
+277 common kexec_load sys_kexec_load compat_sys_kexec_load
+278 common add_key sys_add_key sys_add_key
+279 common request_key sys_request_key sys_request_key
+280 common keyctl sys_keyctl compat_sys_keyctl
+281 common waitid sys_waitid compat_sys_waitid
+282 common ioprio_set sys_ioprio_set sys_ioprio_set
+283 common ioprio_get sys_ioprio_get sys_ioprio_get
+284 common inotify_init sys_inotify_init sys_inotify_init
+285 common inotify_add_watch sys_inotify_add_watch sys_inotify_add_watch
+286 common inotify_rm_watch sys_inotify_rm_watch sys_inotify_rm_watch
+287 common migrate_pages sys_migrate_pages sys_migrate_pages
+288 common openat sys_openat compat_sys_openat
+289 common mkdirat sys_mkdirat sys_mkdirat
+290 common mknodat sys_mknodat sys_mknodat
+291 common fchownat sys_fchownat sys_fchownat
+292 common futimesat sys_futimesat sys_futimesat_time32
+293 32 fstatat64 - compat_sys_s390_fstatat64
+293 64 newfstatat sys_newfstatat -
+294 common unlinkat sys_unlinkat sys_unlinkat
+295 common renameat sys_renameat sys_renameat
+296 common linkat sys_linkat sys_linkat
+297 common symlinkat sys_symlinkat sys_symlinkat
+298 common readlinkat sys_readlinkat sys_readlinkat
+299 common fchmodat sys_fchmodat sys_fchmodat
+300 common faccessat sys_faccessat sys_faccessat
+301 common pselect6 sys_pselect6 compat_sys_pselect6_time32
+302 common ppoll sys_ppoll compat_sys_ppoll_time32
+303 common unshare sys_unshare sys_unshare
+304 common set_robust_list sys_set_robust_list compat_sys_set_robust_list
+305 common get_robust_list sys_get_robust_list compat_sys_get_robust_list
+306 common splice sys_splice sys_splice
+307 common sync_file_range sys_sync_file_range compat_sys_s390_sync_file_range
+308 common tee sys_tee sys_tee
+309 common vmsplice sys_vmsplice sys_vmsplice
+310 common move_pages sys_move_pages sys_move_pages
+311 common getcpu sys_getcpu sys_getcpu
+312 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait
+313 common utimes sys_utimes sys_utimes_time32
+314 common fallocate sys_fallocate compat_sys_s390_fallocate
+315 common utimensat sys_utimensat sys_utimensat_time32
+316 common signalfd sys_signalfd compat_sys_signalfd
+317 common timerfd - -
+318 common eventfd sys_eventfd sys_eventfd
+319 common timerfd_create sys_timerfd_create sys_timerfd_create
+320 common timerfd_settime sys_timerfd_settime sys_timerfd_settime32
+321 common timerfd_gettime sys_timerfd_gettime sys_timerfd_gettime32
+322 common signalfd4 sys_signalfd4 compat_sys_signalfd4
+323 common eventfd2 sys_eventfd2 sys_eventfd2
+324 common inotify_init1 sys_inotify_init1 sys_inotify_init1
+325 common pipe2 sys_pipe2 sys_pipe2
+326 common dup3 sys_dup3 sys_dup3
+327 common epoll_create1 sys_epoll_create1 sys_epoll_create1
+328 common preadv sys_preadv compat_sys_preadv
+329 common pwritev sys_pwritev compat_sys_pwritev
+330 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
+331 common perf_event_open sys_perf_event_open sys_perf_event_open
+332 common fanotify_init sys_fanotify_init sys_fanotify_init
+333 common fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark
+334 common prlimit64 sys_prlimit64 sys_prlimit64
+335 common name_to_handle_at sys_name_to_handle_at sys_name_to_handle_at
+336 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
+337 common clock_adjtime sys_clock_adjtime sys_clock_adjtime32
+338 common syncfs sys_syncfs sys_syncfs
+339 common setns sys_setns sys_setns
+340 common process_vm_readv sys_process_vm_readv sys_process_vm_readv
+341 common process_vm_writev sys_process_vm_writev sys_process_vm_writev
+342 common s390_runtime_instr sys_s390_runtime_instr sys_s390_runtime_instr
+343 common kcmp sys_kcmp sys_kcmp
+344 common finit_module sys_finit_module sys_finit_module
+345 common sched_setattr sys_sched_setattr sys_sched_setattr
+346 common sched_getattr sys_sched_getattr sys_sched_getattr
+347 common renameat2 sys_renameat2 sys_renameat2
+348 common seccomp sys_seccomp sys_seccomp
+349 common getrandom sys_getrandom sys_getrandom
+350 common memfd_create sys_memfd_create sys_memfd_create
+351 common bpf sys_bpf sys_bpf
+352 common s390_pci_mmio_write sys_s390_pci_mmio_write sys_s390_pci_mmio_write
+353 common s390_pci_mmio_read sys_s390_pci_mmio_read sys_s390_pci_mmio_read
+354 common execveat sys_execveat compat_sys_execveat
+355 common userfaultfd sys_userfaultfd sys_userfaultfd
+356 common membarrier sys_membarrier sys_membarrier
+357 common recvmmsg sys_recvmmsg compat_sys_recvmmsg_time32
+358 common sendmmsg sys_sendmmsg compat_sys_sendmmsg
+359 common socket sys_socket sys_socket
+360 common socketpair sys_socketpair sys_socketpair
+361 common bind sys_bind sys_bind
+362 common connect sys_connect sys_connect
+363 common listen sys_listen sys_listen
+364 common accept4 sys_accept4 sys_accept4
+365 common getsockopt sys_getsockopt sys_getsockopt
+366 common setsockopt sys_setsockopt sys_setsockopt
+367 common getsockname sys_getsockname sys_getsockname
+368 common getpeername sys_getpeername sys_getpeername
+369 common sendto sys_sendto sys_sendto
+370 common sendmsg sys_sendmsg compat_sys_sendmsg
+371 common recvfrom sys_recvfrom compat_sys_recvfrom
+372 common recvmsg sys_recvmsg compat_sys_recvmsg
+373 common shutdown sys_shutdown sys_shutdown
+374 common mlock2 sys_mlock2 sys_mlock2
+375 common copy_file_range sys_copy_file_range sys_copy_file_range
+376 common preadv2 sys_preadv2 compat_sys_preadv2
+377 common pwritev2 sys_pwritev2 compat_sys_pwritev2
+378 common s390_guarded_storage sys_s390_guarded_storage sys_s390_guarded_storage
+379 common statx sys_statx sys_statx
+380 common s390_sthyi sys_s390_sthyi sys_s390_sthyi
+381 common kexec_file_load sys_kexec_file_load sys_kexec_file_load
+382 common io_pgetevents sys_io_pgetevents compat_sys_io_pgetevents
+383 common rseq sys_rseq sys_rseq
+384 common pkey_mprotect sys_pkey_mprotect sys_pkey_mprotect
+385 common pkey_alloc sys_pkey_alloc sys_pkey_alloc
+386 common pkey_free sys_pkey_free sys_pkey_free
+# room for arch specific syscalls
+392 64 semtimedop sys_semtimedop -
+393 common semget sys_semget sys_semget
+394 common semctl sys_semctl compat_sys_semctl
+395 common shmget sys_shmget sys_shmget
+396 common shmctl sys_shmctl compat_sys_shmctl
+397 common shmat sys_shmat compat_sys_shmat
+398 common shmdt sys_shmdt sys_shmdt
+399 common msgget sys_msgget sys_msgget
+400 common msgsnd sys_msgsnd compat_sys_msgsnd
+401 common msgrcv sys_msgrcv compat_sys_msgrcv
+402 common msgctl sys_msgctl compat_sys_msgctl
+403 32 clock_gettime64 - sys_clock_gettime
+404 32 clock_settime64 - sys_clock_settime
+405 32 clock_adjtime64 - sys_clock_adjtime
+406 32 clock_getres_time64 - sys_clock_getres
+407 32 clock_nanosleep_time64 - sys_clock_nanosleep
+408 32 timer_gettime64 - sys_timer_gettime
+409 32 timer_settime64 - sys_timer_settime
+410 32 timerfd_gettime64 - sys_timerfd_gettime
+411 32 timerfd_settime64 - sys_timerfd_settime
+412 32 utimensat_time64 - sys_utimensat
+413 32 pselect6_time64 - compat_sys_pselect6_time64
+414 32 ppoll_time64 - compat_sys_ppoll_time64
+416 32 io_pgetevents_time64 - compat_sys_io_pgetevents_time64
+417 32 recvmmsg_time64 - compat_sys_recvmmsg_time64
+418 32 mq_timedsend_time64 - sys_mq_timedsend
+419 32 mq_timedreceive_time64 - sys_mq_timedreceive
+420 32 semtimedop_time64 - sys_semtimedop
+421 32 rt_sigtimedwait_time64 - compat_sys_rt_sigtimedwait_time64
+422 32 futex_time64 - sys_futex
+423 32 sched_rr_get_interval_time64 - sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register sys_io_uring_register
+428 common open_tree sys_open_tree sys_open_tree
+429 common move_mount sys_move_mount sys_move_mount
+430 common fsopen sys_fsopen sys_fsopen
+431 common fsconfig sys_fsconfig sys_fsconfig
+432 common fsmount sys_fsmount sys_fsmount
+433 common fspick sys_fspick sys_fspick
+434 common pidfd_open sys_pidfd_open sys_pidfd_open
+435 common clone3 sys_clone3 sys_clone3
+436 common close_range sys_close_range sys_close_range
+437 common openat2 sys_openat2 sys_openat2
+438 common pidfd_getfd sys_pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2 sys_faccessat2
+440 common process_madvise sys_process_madvise sys_process_madvise
+441 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
+442 common mount_setattr sys_mount_setattr sys_mount_setattr
+443 common quotactl_fd sys_quotactl_fd sys_quotactl_fd
+444 common landlock_create_ruleset sys_landlock_create_ruleset sys_landlock_create_ruleset
+445 common landlock_add_rule sys_landlock_add_rule sys_landlock_add_rule
+446 common landlock_restrict_self sys_landlock_restrict_self sys_landlock_restrict_self
+447 common memfd_secret sys_memfd_secret sys_memfd_secret
+448 common process_mrelease sys_process_mrelease sys_process_mrelease
+449 common futex_waitv sys_futex_waitv sys_futex_waitv
+450 common set_mempolicy_home_node sys_set_mempolicy_home_node sys_set_mempolicy_home_node
+451 common cachestat sys_cachestat sys_cachestat
+452 common fchmodat2 sys_fchmodat2 sys_fchmodat2
+453 common map_shadow_stack sys_map_shadow_stack sys_map_shadow_stack
+454 common futex_wake sys_futex_wake sys_futex_wake
+455 common futex_wait sys_futex_wait sys_futex_wait
+456 common futex_requeue sys_futex_requeue sys_futex_requeue
+457 common statmount sys_statmount sys_statmount
+458 common listmount sys_listmount sys_listmount
+459 common lsm_get_self_attr sys_lsm_get_self_attr sys_lsm_get_self_attr
+460 common lsm_set_self_attr sys_lsm_set_self_attr sys_lsm_set_self_attr
+461 common lsm_list_modules sys_lsm_list_modules sys_lsm_list_modules
+462 common mseal sys_mseal sys_mseal
+463 common setxattrat sys_setxattrat sys_setxattrat
+464 common getxattrat sys_getxattrat sys_getxattrat
+465 common listxattrat sys_listxattrat sys_listxattrat
+466 common removexattrat sys_removexattrat sys_removexattrat
+467 common open_tree_attr sys_open_tree_attr sys_open_tree_attr
+468 common file_getattr sys_file_getattr sys_file_getattr
+469 common file_setattr sys_file_setattr sys_file_setattr
diff --git a/tools/perf/arch/s390/include/dwarf-regs-table.h b/tools/perf/arch/s390/include/dwarf-regs-table.h
index 9da74a933bd6..671553525f41 100644
--- a/tools/perf/arch/s390/include/dwarf-regs-table.h
+++ b/tools/perf/arch/s390/include/dwarf-regs-table.h
@@ -1,8 +1,72 @@
-#ifdef DEFINE_DWARF_REGSTR_TABLE
-/* This is included in perf/util/dwarf-regs.c */
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef S390_DWARF_REGS_TABLE_H
+#define S390_DWARF_REGS_TABLE_H
-static const char * const s390_regstr_tbl[] = {
+#define REG_DWARFNUM_NAME(reg, idx) [idx] = "%" #reg
+
+/*
+ * For reference, see DWARF register mapping:
+ * http://refspecs.linuxfoundation.org/ELF/zSeries/lzsabi0_s390/x1542.html
+ */
+static const char * const s390_dwarf_regs[] = {
"%r0", "%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7",
"%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15",
+ REG_DWARFNUM_NAME(f0, 16),
+ REG_DWARFNUM_NAME(f1, 20),
+ REG_DWARFNUM_NAME(f2, 17),
+ REG_DWARFNUM_NAME(f3, 21),
+ REG_DWARFNUM_NAME(f4, 18),
+ REG_DWARFNUM_NAME(f5, 22),
+ REG_DWARFNUM_NAME(f6, 19),
+ REG_DWARFNUM_NAME(f7, 23),
+ REG_DWARFNUM_NAME(f8, 24),
+ REG_DWARFNUM_NAME(f9, 28),
+ REG_DWARFNUM_NAME(f10, 25),
+ REG_DWARFNUM_NAME(f11, 29),
+ REG_DWARFNUM_NAME(f12, 26),
+ REG_DWARFNUM_NAME(f13, 30),
+ REG_DWARFNUM_NAME(f14, 27),
+ REG_DWARFNUM_NAME(f15, 31),
+ REG_DWARFNUM_NAME(c0, 32),
+ REG_DWARFNUM_NAME(c1, 33),
+ REG_DWARFNUM_NAME(c2, 34),
+ REG_DWARFNUM_NAME(c3, 35),
+ REG_DWARFNUM_NAME(c4, 36),
+ REG_DWARFNUM_NAME(c5, 37),
+ REG_DWARFNUM_NAME(c6, 38),
+ REG_DWARFNUM_NAME(c7, 39),
+ REG_DWARFNUM_NAME(c8, 40),
+ REG_DWARFNUM_NAME(c9, 41),
+ REG_DWARFNUM_NAME(c10, 42),
+ REG_DWARFNUM_NAME(c11, 43),
+ REG_DWARFNUM_NAME(c12, 44),
+ REG_DWARFNUM_NAME(c13, 45),
+ REG_DWARFNUM_NAME(c14, 46),
+ REG_DWARFNUM_NAME(c15, 47),
+ REG_DWARFNUM_NAME(a0, 48),
+ REG_DWARFNUM_NAME(a1, 49),
+ REG_DWARFNUM_NAME(a2, 50),
+ REG_DWARFNUM_NAME(a3, 51),
+ REG_DWARFNUM_NAME(a4, 52),
+ REG_DWARFNUM_NAME(a5, 53),
+ REG_DWARFNUM_NAME(a6, 54),
+ REG_DWARFNUM_NAME(a7, 55),
+ REG_DWARFNUM_NAME(a8, 56),
+ REG_DWARFNUM_NAME(a9, 57),
+ REG_DWARFNUM_NAME(a10, 58),
+ REG_DWARFNUM_NAME(a11, 59),
+ REG_DWARFNUM_NAME(a12, 60),
+ REG_DWARFNUM_NAME(a13, 61),
+ REG_DWARFNUM_NAME(a14, 62),
+ REG_DWARFNUM_NAME(a15, 63),
+ REG_DWARFNUM_NAME(pswm, 64),
+ REG_DWARFNUM_NAME(pswa, 65),
};
-#endif
+
+#ifdef DEFINE_DWARF_REGSTR_TABLE
+/* This is included in perf/util/dwarf-regs.c */
+
+#define s390_regstr_tbl s390_dwarf_regs
+
+#endif /* DEFINE_DWARF_REGSTR_TABLE */
+#endif /* S390_DWARF_REGS_TABLE_H */
diff --git a/tools/perf/arch/s390/include/perf_regs.h b/tools/perf/arch/s390/include/perf_regs.h
new file mode 100644
index 000000000000..130dfad2b96a
--- /dev/null
+++ b/tools/perf/arch/s390/include/perf_regs.h
@@ -0,0 +1,14 @@
+#ifndef ARCH_PERF_REGS_H
+#define ARCH_PERF_REGS_H
+
+#include <stdlib.h>
+#include <linux/types.h>
+#include <asm/perf_regs.h>
+
+void perf_regs_load(u64 *regs);
+
+#define PERF_REGS_MASK ((1ULL << PERF_REG_S390_MAX) - 1)
+#define PERF_REGS_MAX PERF_REG_S390_MAX
+#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_64
+
+#endif /* ARCH_PERF_REGS_H */
diff --git a/tools/perf/arch/s390/util/Build b/tools/perf/arch/s390/util/Build
index 5bd7b9260cc0..c64eb18dbdae 100644
--- a/tools/perf/arch/s390/util/Build
+++ b/tools/perf/arch/s390/util/Build
@@ -1,6 +1,10 @@
-libperf-y += header.o
-libperf-y += kvm-stat.o
+perf-util-y += header.o
+perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
+perf-util-y += perf_regs.o
-libperf-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
-libperf-y += machine.o
+perf-util-y += machine.o
+perf-util-y += pmu.o
+
+perf-util-y += auxtrace.o
diff --git a/tools/perf/arch/s390/util/auxtrace.c b/tools/perf/arch/s390/util/auxtrace.c
new file mode 100644
index 000000000000..1a3676145066
--- /dev/null
+++ b/tools/perf/arch/s390/util/auxtrace.c
@@ -0,0 +1,125 @@
+#include <errno.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/bitops.h>
+#include <linux/log2.h>
+#include <linux/zalloc.h>
+
+#include "../../util/evlist.h"
+#include "../../util/auxtrace.h"
+#include "../../util/evsel.h"
+#include "../../util/record.h"
+
+#define PERF_EVENT_CPUM_SF 0xB0000 /* Event: Basic-sampling */
+#define PERF_EVENT_CPUM_SF_DIAG 0xBD000 /* Event: Combined-sampling */
+#define DEFAULT_AUX_PAGES 128
+#define DEFAULT_FREQ 4000
+
+static void cpumsf_free(struct auxtrace_record *itr)
+{
+ free(itr);
+}
+
+static size_t cpumsf_info_priv_size(struct auxtrace_record *itr __maybe_unused,
+ struct evlist *evlist __maybe_unused)
+{
+ return 0;
+}
+
+static int
+cpumsf_info_fill(struct auxtrace_record *itr __maybe_unused,
+ struct perf_session *session __maybe_unused,
+ struct perf_record_auxtrace_info *auxtrace_info __maybe_unused,
+ size_t priv_size __maybe_unused)
+{
+ auxtrace_info->type = PERF_AUXTRACE_S390_CPUMSF;
+ return 0;
+}
+
+static unsigned long
+cpumsf_reference(struct auxtrace_record *itr __maybe_unused)
+{
+ return 0;
+}
+
+static int
+cpumsf_recording_options(struct auxtrace_record *ar __maybe_unused,
+ struct evlist *evlist __maybe_unused,
+ struct record_opts *opts)
+{
+ unsigned int factor = 1;
+ unsigned int pages;
+
+ opts->full_auxtrace = true;
+
+ /*
+ * The AUX buffer size should be set properly to avoid
+ * overflow of samples if it is not set explicitly.
+ * DEFAULT_AUX_PAGES is an proper size when sampling frequency
+ * is DEFAULT_FREQ. It is expected to hold about 1/2 second
+ * of sampling data. The size used for AUX buffer will scale
+ * according to the specified frequency and DEFAULT_FREQ.
+ */
+ if (!opts->auxtrace_mmap_pages) {
+ if (opts->user_freq != UINT_MAX)
+ factor = (opts->user_freq + DEFAULT_FREQ
+ - 1) / DEFAULT_FREQ;
+ pages = DEFAULT_AUX_PAGES * factor;
+ opts->auxtrace_mmap_pages = roundup_pow_of_two(pages);
+ }
+
+ return 0;
+}
+
+static int
+cpumsf_parse_snapshot_options(struct auxtrace_record *itr __maybe_unused,
+ struct record_opts *opts __maybe_unused,
+ const char *str __maybe_unused)
+{
+ return 0;
+}
+
+/*
+ * auxtrace_record__init is called when perf record
+ * check if the event really need auxtrace
+ */
+struct auxtrace_record *auxtrace_record__init(struct evlist *evlist,
+ int *err)
+{
+ struct auxtrace_record *aux;
+ struct evsel *pos;
+ int diagnose = 0;
+
+ *err = 0;
+ if (evlist->core.nr_entries == 0)
+ return NULL;
+
+ evlist__for_each_entry(evlist, pos) {
+ if (pos->core.attr.config == PERF_EVENT_CPUM_SF_DIAG) {
+ diagnose = 1;
+ pos->needs_auxtrace_mmap = true;
+ break;
+ }
+ }
+
+ if (!diagnose)
+ return NULL;
+
+ /* sampling in diagnose mode. alloc aux buffer */
+ aux = zalloc(sizeof(*aux));
+ if (aux == NULL) {
+ *err = -ENOMEM;
+ return NULL;
+ }
+
+ aux->parse_snapshot_options = cpumsf_parse_snapshot_options;
+ aux->recording_options = cpumsf_recording_options;
+ aux->info_priv_size = cpumsf_info_priv_size;
+ aux->info_fill = cpumsf_info_fill;
+ aux->free = cpumsf_free;
+ aux->reference = cpumsf_reference;
+
+ return aux;
+}
diff --git a/tools/perf/arch/s390/util/dwarf-regs.c b/tools/perf/arch/s390/util/dwarf-regs.c
deleted file mode 100644
index 0469df02ee62..000000000000
--- a/tools/perf/arch/s390/util/dwarf-regs.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Mapping of DWARF debug register numbers into register names.
- *
- * Copyright IBM Corp. 2010
- * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>,
- *
- */
-
-#include <stddef.h>
-#include <dwarf-regs.h>
-
-#define NUM_GPRS 16
-
-static const char *gpr_names[NUM_GPRS] = {
- "%r0", "%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7",
- "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15",
-};
-
-const char *get_arch_regstr(unsigned int n)
-{
- return (n >= NUM_GPRS) ? NULL : gpr_names[n];
-}
diff --git a/tools/perf/arch/s390/util/header.c b/tools/perf/arch/s390/util/header.c
index 9fa6c3e5782c..db54677a17d2 100644
--- a/tools/perf/arch/s390/util/header.c
+++ b/tools/perf/arch/s390/util/header.c
@@ -1,28 +1,147 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Implementation of get_cpuid().
*
- * Copyright 2014 IBM Corp.
+ * Copyright IBM Corp. 2014, 2018
* Author(s): Alexander Yarygin <yarygin@linux.vnet.ibm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License (version 2 only)
- * as published by the Free Software Foundation.
+ * Thomas Richter <tmricht@linux.vnet.ibm.com>
*/
#include <sys/types.h>
+#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
+#include <linux/ctype.h>
+#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include "../../util/header.h"
-int get_cpuid(char *buffer, size_t sz)
+#define SYSINFO_MANU "Manufacturer:"
+#define SYSINFO_TYPE "Type:"
+#define SYSINFO_MODEL "Model:"
+#define SRVLVL_CPUMF "CPU-MF:"
+#define SRVLVL_VERSION "version="
+#define SRVLVL_AUTHORIZATION "authorization="
+#define SYSINFO "/proc/sysinfo"
+#define SRVLVL "/proc/service_levels"
+
+int get_cpuid(char *buffer, size_t sz, struct perf_cpu cpu __maybe_unused)
{
- const char *cpuid = "IBM/S390";
+ char *cp, *line = NULL, *line2;
+ char type[8], model[33], version[8], manufacturer[32], authorization[8];
+ int tpsize = 0, mdsize = 0, vssize = 0, mfsize = 0, atsize = 0;
+ int read;
+ unsigned long line_sz;
+ size_t nbytes;
+ FILE *sysinfo;
+
+ /*
+ * Scan /proc/sysinfo line by line and read out values for
+ * Manufacturer:, Type: and Model:, for example:
+ * Manufacturer: IBM
+ * Type: 2964
+ * Model: 702 N96
+ * The first word is the Model Capacity and the second word is
+ * Model (can be omitted). Both words have a maximum size of 16
+ * bytes.
+ */
+ memset(manufacturer, 0, sizeof(manufacturer));
+ memset(type, 0, sizeof(type));
+ memset(model, 0, sizeof(model));
+ memset(version, 0, sizeof(version));
+ memset(authorization, 0, sizeof(authorization));
+
+ sysinfo = fopen(SYSINFO, "r");
+ if (sysinfo == NULL)
+ return errno;
+
+ while ((read = getline(&line, &line_sz, sysinfo)) != -1) {
+ if (!strncmp(line, SYSINFO_MANU, strlen(SYSINFO_MANU))) {
+ line2 = line + strlen(SYSINFO_MANU);
+
+ while ((cp = strtok_r(line2, "\n ", &line2))) {
+ mfsize += scnprintf(manufacturer + mfsize,
+ sizeof(manufacturer) - mfsize, "%s", cp);
+ }
+ }
+
+ if (!strncmp(line, SYSINFO_TYPE, strlen(SYSINFO_TYPE))) {
+ line2 = line + strlen(SYSINFO_TYPE);
+
+ while ((cp = strtok_r(line2, "\n ", &line2))) {
+ tpsize += scnprintf(type + tpsize,
+ sizeof(type) - tpsize, "%s", cp);
+ }
+ }
+
+ if (!strncmp(line, SYSINFO_MODEL, strlen(SYSINFO_MODEL))) {
+ line2 = line + strlen(SYSINFO_MODEL);
+
+ while ((cp = strtok_r(line2, "\n ", &line2))) {
+ mdsize += scnprintf(model + mdsize, sizeof(model) - mdsize,
+ "%s%s", model[0] ? "," : "", cp);
+ }
+ break;
+ }
+ }
+ fclose(sysinfo);
- if (strlen(cpuid) + 1 > sz)
- return -1;
+ /* Missing manufacturer, type or model information should not happen */
+ if (!manufacturer[0] || !type[0] || !model[0])
+ return EINVAL;
+
+ /*
+ * Scan /proc/service_levels and return the CPU-MF counter facility
+ * version number and authorization level.
+ * Optional, does not exist on z/VM guests.
+ */
+ sysinfo = fopen(SRVLVL, "r");
+ if (sysinfo == NULL)
+ goto skip_sysinfo;
+ while ((read = getline(&line, &line_sz, sysinfo)) != -1) {
+ if (strncmp(line, SRVLVL_CPUMF, strlen(SRVLVL_CPUMF)))
+ continue;
+
+ line2 = line + strlen(SRVLVL_CPUMF);
+ while ((cp = strtok_r(line2, "\n ", &line2))) {
+ if (!strncmp(cp, SRVLVL_VERSION,
+ strlen(SRVLVL_VERSION))) {
+ char *sep = strchr(cp, '=');
+
+ vssize += scnprintf(version + vssize,
+ sizeof(version) - vssize, "%s", sep + 1);
+ }
+ if (!strncmp(cp, SRVLVL_AUTHORIZATION,
+ strlen(SRVLVL_AUTHORIZATION))) {
+ char *sep = strchr(cp, '=');
+
+ atsize += scnprintf(authorization + atsize,
+ sizeof(authorization) - atsize, "%s", sep + 1);
+ }
+ }
+ }
+ fclose(sysinfo);
+
+skip_sysinfo:
+ free(line);
+
+ if (version[0] && authorization[0] )
+ nbytes = snprintf(buffer, sz, "%s,%s,%s,%s,%s",
+ manufacturer, type, model, version,
+ authorization);
+ else
+ nbytes = snprintf(buffer, sz, "%s,%s,%s", manufacturer, type,
+ model);
+ return (nbytes >= sz) ? ENOBUFS : 0;
+}
+
+char *get_cpuid_str(struct perf_cpu cpu)
+{
+ char *buf = malloc(128);
- strcpy(buffer, cpuid);
- return 0;
+ if (buf && get_cpuid(buf, 128, cpu))
+ zfree(&buf);
+ return buf;
}
diff --git a/tools/perf/arch/s390/util/kvm-stat.c b/tools/perf/arch/s390/util/kvm-stat.c
index ed57df2e6d68..0aed92df51ba 100644
--- a/tools/perf/arch/s390/util/kvm-stat.c
+++ b/tools/perf/arch/s390/util/kvm-stat.c
@@ -1,15 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Arch specific functions for perf kvm stat.
*
* Copyright 2014 IBM Corp.
* Author(s): Alexander Yarygin <yarygin@linux.vnet.ibm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License (version 2 only)
- * as published by the Free Software Foundation.
*/
+#include <errno.h>
+#include <string.h>
#include "../../util/kvm-stat.h"
+#include "../../util/evsel.h"
#include <asm/sie.h>
define_exit_reasons_table(sie_exit_reasons, sie_intercept_code);
@@ -19,43 +19,42 @@ define_exit_reasons_table(sie_diagnose_codes, diagnose_codes);
define_exit_reasons_table(sie_icpt_prog_codes, icpt_prog_codes);
const char *vcpu_id_str = "id";
-const int decode_str_len = 40;
const char *kvm_exit_reason = "icptcode";
const char *kvm_entry_trace = "kvm:kvm_s390_sie_enter";
const char *kvm_exit_trace = "kvm:kvm_s390_sie_exit";
-static void event_icpt_insn_get_key(struct perf_evsel *evsel,
+static void event_icpt_insn_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
unsigned long insn;
- insn = perf_evsel__intval(evsel, sample, "instruction");
+ insn = evsel__intval(evsel, sample, "instruction");
key->key = icpt_insn_decoder(insn);
key->exit_reasons = sie_icpt_insn_codes;
}
-static void event_sigp_get_key(struct perf_evsel *evsel,
+static void event_sigp_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
- key->key = perf_evsel__intval(evsel, sample, "order_code");
+ key->key = evsel__intval(evsel, sample, "order_code");
key->exit_reasons = sie_sigp_order_codes;
}
-static void event_diag_get_key(struct perf_evsel *evsel,
+static void event_diag_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
- key->key = perf_evsel__intval(evsel, sample, "code");
+ key->key = evsel__intval(evsel, sample, "code");
key->exit_reasons = sie_diagnose_codes;
}
-static void event_icpt_prog_get_key(struct perf_evsel *evsel,
+static void event_icpt_prog_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
- key->key = perf_evsel__intval(evsel, sample, "code");
+ key->key = evsel__intval(evsel, sample, "code");
key->exit_reasons = sie_icpt_prog_codes;
}
@@ -101,7 +100,7 @@ const char * const kvm_skip_events[] = {
int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid)
{
- if (strstr(cpuid, "IBM/S390")) {
+ if (strstr(cpuid, "IBM")) {
kvm->exit_reasons = sie_exit_reasons;
kvm->exit_reasons_isa = "SIE";
} else
diff --git a/tools/perf/arch/s390/util/machine.c b/tools/perf/arch/s390/util/machine.c
index b9a95a1a8e69..98bc3f39d5f3 100644
--- a/tools/perf/arch/s390/util/machine.c
+++ b/tools/perf/arch/s390/util/machine.c
@@ -1,19 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <inttypes.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
-#include "util.h"
+#include <internal/lib.h> // page_size
#include "machine.h"
#include "api/fs/fs.h"
+#include "debug.h"
+#include "symbol.h"
-int arch__fix_module_text_start(u64 *start, const char *name)
+int arch__fix_module_text_start(u64 *start, u64 *size, const char *name)
{
+ u64 m_start = *start;
char path[PATH_MAX];
snprintf(path, PATH_MAX, "module/%.*s/sections/.text",
(int)strlen(name) - 2, name + 1);
-
- if (sysfs__read_ull(path, (unsigned long long *)start) < 0)
- return -1;
+ if (sysfs__read_ull(path, (unsigned long long *)start) < 0) {
+ pr_debug2("Using module %s start:%#lx\n", path, m_start);
+ *start = m_start;
+ } else {
+ /* Successful read of the modules segment text start address.
+ * Calculate difference between module start address
+ * in memory and module text segment start address.
+ * For example module load address is 0x3ff8011b000
+ * (from /proc/modules) and module text segment start
+ * address is 0x3ff8011b870 (from file above).
+ *
+ * Adjust the module size and subtract the GOT table
+ * size located at the beginning of the module.
+ */
+ *size -= (*start - m_start);
+ }
return 0;
}
diff --git a/tools/perf/arch/s390/util/perf_regs.c b/tools/perf/arch/s390/util/perf_regs.c
new file mode 100644
index 000000000000..6b1665f41180
--- /dev/null
+++ b/tools/perf/arch/s390/util/perf_regs.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "perf_regs.h"
+#include "../../util/perf_regs.h"
+
+static const struct sample_reg sample_reg_masks[] = {
+ SMPL_REG_END
+};
+
+uint64_t arch__intr_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
+
+const struct sample_reg *arch__sample_reg_masks(void)
+{
+ return sample_reg_masks;
+}
diff --git a/tools/perf/arch/s390/util/pmu.c b/tools/perf/arch/s390/util/pmu.c
new file mode 100644
index 000000000000..886c30e001fa
--- /dev/null
+++ b/tools/perf/arch/s390/util/pmu.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright IBM Corp. 2023
+ * Author(s): Thomas Richter <tmricht@linux.ibm.com>
+ */
+
+#include <string.h>
+
+#include "../../../util/pmu.h"
+
+#define S390_PMUPAI_CRYPTO "pai_crypto"
+#define S390_PMUPAI_EXT "pai_ext"
+#define S390_PMUCPUM_CF "cpum_cf"
+
+void perf_pmu__arch_init(struct perf_pmu *pmu)
+{
+ if (!strcmp(pmu->name, S390_PMUPAI_CRYPTO) ||
+ !strcmp(pmu->name, S390_PMUPAI_EXT) ||
+ !strcmp(pmu->name, S390_PMUCPUM_CF))
+ pmu->selectable = true;
+}
diff --git a/tools/perf/arch/s390/util/unwind-libdw.c b/tools/perf/arch/s390/util/unwind-libdw.c
new file mode 100644
index 000000000000..c27c7a0d1076
--- /dev/null
+++ b/tools/perf/arch/s390/util/unwind-libdw.c
@@ -0,0 +1,65 @@
+#include <linux/kernel.h>
+#include <elfutils/libdwfl.h>
+#include "../../util/unwind-libdw.h"
+#include "../../util/perf_regs.h"
+#include "../../util/event.h"
+#include "../../util/sample.h"
+#include "dwarf-regs-table.h"
+#include "perf_regs.h"
+
+
+bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
+{
+ struct unwind_info *ui = arg;
+ struct regs_dump *user_regs = perf_sample__user_regs(ui->sample);
+ Dwarf_Word dwarf_regs[ARRAY_SIZE(s390_dwarf_regs)];
+
+#define REG(r) ({ \
+ Dwarf_Word val = 0; \
+ perf_reg_value(&val, user_regs, PERF_REG_S390_##r); \
+ val; \
+})
+ /*
+ * For DWARF register mapping details,
+ * see also perf/arch/s390/include/dwarf-regs-table.h
+ */
+ dwarf_regs[0] = REG(R0);
+ dwarf_regs[1] = REG(R1);
+ dwarf_regs[2] = REG(R2);
+ dwarf_regs[3] = REG(R3);
+ dwarf_regs[4] = REG(R4);
+ dwarf_regs[5] = REG(R5);
+ dwarf_regs[6] = REG(R6);
+ dwarf_regs[7] = REG(R7);
+ dwarf_regs[8] = REG(R8);
+ dwarf_regs[9] = REG(R9);
+ dwarf_regs[10] = REG(R10);
+ dwarf_regs[11] = REG(R11);
+ dwarf_regs[12] = REG(R12);
+ dwarf_regs[13] = REG(R13);
+ dwarf_regs[14] = REG(R14);
+ dwarf_regs[15] = REG(R15);
+
+ dwarf_regs[16] = REG(FP0);
+ dwarf_regs[17] = REG(FP2);
+ dwarf_regs[18] = REG(FP4);
+ dwarf_regs[19] = REG(FP6);
+ dwarf_regs[20] = REG(FP1);
+ dwarf_regs[21] = REG(FP3);
+ dwarf_regs[22] = REG(FP5);
+ dwarf_regs[23] = REG(FP7);
+ dwarf_regs[24] = REG(FP8);
+ dwarf_regs[25] = REG(FP10);
+ dwarf_regs[26] = REG(FP12);
+ dwarf_regs[27] = REG(FP14);
+ dwarf_regs[28] = REG(FP9);
+ dwarf_regs[29] = REG(FP11);
+ dwarf_regs[30] = REG(FP13);
+ dwarf_regs[31] = REG(FP15);
+
+ dwarf_regs[64] = REG(MASK);
+ dwarf_regs[65] = REG(PC);
+
+ dwfl_thread_state_register_pc(thread, dwarf_regs[65]);
+ return dwfl_thread_state_registers(thread, 0, 32, dwarf_regs);
+}
diff --git a/tools/perf/arch/sh/Build b/tools/perf/arch/sh/Build
deleted file mode 100644
index 54afe4a467e7..000000000000
--- a/tools/perf/arch/sh/Build
+++ /dev/null
@@ -1 +0,0 @@
-libperf-y += util/
diff --git a/tools/perf/arch/sh/Makefile b/tools/perf/arch/sh/Makefile
deleted file mode 100644
index 7fbca175099e..000000000000
--- a/tools/perf/arch/sh/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-ifndef NO_DWARF
-PERF_HAVE_DWARF_REGS := 1
-endif
diff --git a/tools/perf/arch/sh/entry/syscalls/syscall.tbl b/tools/perf/arch/sh/entry/syscalls/syscall.tbl
new file mode 100644
index 000000000000..5e9c9eff5539
--- /dev/null
+++ b/tools/perf/arch/sh/entry/syscalls/syscall.tbl
@@ -0,0 +1,475 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for sh
+#
+# The format is:
+# <number> <abi> <name> <entry point>
+#
+# The <abi> is always "common" for this file
+#
+0 common restart_syscall sys_restart_syscall
+1 common exit sys_exit
+2 common fork sys_fork
+3 common read sys_read
+4 common write sys_write
+5 common open sys_open
+6 common close sys_close
+7 common waitpid sys_waitpid
+8 common creat sys_creat
+9 common link sys_link
+10 common unlink sys_unlink
+11 common execve sys_execve
+12 common chdir sys_chdir
+13 common time sys_time32
+14 common mknod sys_mknod
+15 common chmod sys_chmod
+16 common lchown sys_lchown16
+# 17 was break
+18 common oldstat sys_stat
+19 common lseek sys_lseek
+20 common getpid sys_getpid
+21 common mount sys_mount
+22 common umount sys_oldumount
+23 common setuid sys_setuid16
+24 common getuid sys_getuid16
+25 common stime sys_stime32
+26 common ptrace sys_ptrace
+27 common alarm sys_alarm
+28 common oldfstat sys_fstat
+29 common pause sys_pause
+30 common utime sys_utime32
+# 31 was stty
+# 32 was gtty
+33 common access sys_access
+34 common nice sys_nice
+# 35 was ftime
+36 common sync sys_sync
+37 common kill sys_kill
+38 common rename sys_rename
+39 common mkdir sys_mkdir
+40 common rmdir sys_rmdir
+41 common dup sys_dup
+42 common pipe sys_sh_pipe
+43 common times sys_times
+# 44 was prof
+45 common brk sys_brk
+46 common setgid sys_setgid16
+47 common getgid sys_getgid16
+48 common signal sys_signal
+49 common geteuid sys_geteuid16
+50 common getegid sys_getegid16
+51 common acct sys_acct
+52 common umount2 sys_umount
+# 53 was lock
+54 common ioctl sys_ioctl
+55 common fcntl sys_fcntl
+# 56 was mpx
+57 common setpgid sys_setpgid
+# 58 was ulimit
+# 59 was olduname
+60 common umask sys_umask
+61 common chroot sys_chroot
+62 common ustat sys_ustat
+63 common dup2 sys_dup2
+64 common getppid sys_getppid
+65 common getpgrp sys_getpgrp
+66 common setsid sys_setsid
+67 common sigaction sys_sigaction
+68 common sgetmask sys_sgetmask
+69 common ssetmask sys_ssetmask
+70 common setreuid sys_setreuid16
+71 common setregid sys_setregid16
+72 common sigsuspend sys_sigsuspend
+73 common sigpending sys_sigpending
+74 common sethostname sys_sethostname
+75 common setrlimit sys_setrlimit
+76 common getrlimit sys_old_getrlimit
+77 common getrusage sys_getrusage
+78 common gettimeofday sys_gettimeofday
+79 common settimeofday sys_settimeofday
+80 common getgroups sys_getgroups16
+81 common setgroups sys_setgroups16
+# 82 was select
+83 common symlink sys_symlink
+84 common oldlstat sys_lstat
+85 common readlink sys_readlink
+86 common uselib sys_uselib
+87 common swapon sys_swapon
+88 common reboot sys_reboot
+89 common readdir sys_old_readdir
+90 common mmap old_mmap
+91 common munmap sys_munmap
+92 common truncate sys_truncate
+93 common ftruncate sys_ftruncate
+94 common fchmod sys_fchmod
+95 common fchown sys_fchown16
+96 common getpriority sys_getpriority
+97 common setpriority sys_setpriority
+# 98 was profil
+99 common statfs sys_statfs
+100 common fstatfs sys_fstatfs
+# 101 was ioperm
+102 common socketcall sys_socketcall
+103 common syslog sys_syslog
+104 common setitimer sys_setitimer
+105 common getitimer sys_getitimer
+106 common stat sys_newstat
+107 common lstat sys_newlstat
+108 common fstat sys_newfstat
+109 common olduname sys_uname
+# 110 was iopl
+111 common vhangup sys_vhangup
+# 112 was idle
+# 113 was vm86old
+114 common wait4 sys_wait4
+115 common swapoff sys_swapoff
+116 common sysinfo sys_sysinfo
+117 common ipc sys_ipc
+118 common fsync sys_fsync
+119 common sigreturn sys_sigreturn
+120 common clone sys_clone
+121 common setdomainname sys_setdomainname
+122 common uname sys_newuname
+123 common cacheflush sys_cacheflush
+124 common adjtimex sys_adjtimex_time32
+125 common mprotect sys_mprotect
+126 common sigprocmask sys_sigprocmask
+# 127 was create_module
+128 common init_module sys_init_module
+129 common delete_module sys_delete_module
+# 130 was get_kernel_syms
+131 common quotactl sys_quotactl
+132 common getpgid sys_getpgid
+133 common fchdir sys_fchdir
+134 common bdflush sys_ni_syscall
+135 common sysfs sys_sysfs
+136 common personality sys_personality
+# 137 was afs_syscall
+138 common setfsuid sys_setfsuid16
+139 common setfsgid sys_setfsgid16
+140 common _llseek sys_llseek
+141 common getdents sys_getdents
+142 common _newselect sys_select
+143 common flock sys_flock
+144 common msync sys_msync
+145 common readv sys_readv
+146 common writev sys_writev
+147 common getsid sys_getsid
+148 common fdatasync sys_fdatasync
+149 common _sysctl sys_ni_syscall
+150 common mlock sys_mlock
+151 common munlock sys_munlock
+152 common mlockall sys_mlockall
+153 common munlockall sys_munlockall
+154 common sched_setparam sys_sched_setparam
+155 common sched_getparam sys_sched_getparam
+156 common sched_setscheduler sys_sched_setscheduler
+157 common sched_getscheduler sys_sched_getscheduler
+158 common sched_yield sys_sched_yield
+159 common sched_get_priority_max sys_sched_get_priority_max
+160 common sched_get_priority_min sys_sched_get_priority_min
+161 common sched_rr_get_interval sys_sched_rr_get_interval_time32
+162 common nanosleep sys_nanosleep_time32
+163 common mremap sys_mremap
+164 common setresuid sys_setresuid16
+165 common getresuid sys_getresuid16
+# 166 was vm86
+# 167 was query_module
+168 common poll sys_poll
+169 common nfsservctl sys_ni_syscall
+170 common setresgid sys_setresgid16
+171 common getresgid sys_getresgid16
+172 common prctl sys_prctl
+173 common rt_sigreturn sys_rt_sigreturn
+174 common rt_sigaction sys_rt_sigaction
+175 common rt_sigprocmask sys_rt_sigprocmask
+176 common rt_sigpending sys_rt_sigpending
+177 common rt_sigtimedwait sys_rt_sigtimedwait_time32
+178 common rt_sigqueueinfo sys_rt_sigqueueinfo
+179 common rt_sigsuspend sys_rt_sigsuspend
+180 common pread64 sys_pread_wrapper
+181 common pwrite64 sys_pwrite_wrapper
+182 common chown sys_chown16
+183 common getcwd sys_getcwd
+184 common capget sys_capget
+185 common capset sys_capset
+186 common sigaltstack sys_sigaltstack
+187 common sendfile sys_sendfile
+# 188 is reserved for getpmsg
+# 189 is reserved for putpmsg
+190 common vfork sys_vfork
+191 common ugetrlimit sys_getrlimit
+192 common mmap2 sys_mmap2
+193 common truncate64 sys_truncate64
+194 common ftruncate64 sys_ftruncate64
+195 common stat64 sys_stat64
+196 common lstat64 sys_lstat64
+197 common fstat64 sys_fstat64
+198 common lchown32 sys_lchown
+199 common getuid32 sys_getuid
+200 common getgid32 sys_getgid
+201 common geteuid32 sys_geteuid
+202 common getegid32 sys_getegid
+203 common setreuid32 sys_setreuid
+204 common setregid32 sys_setregid
+205 common getgroups32 sys_getgroups
+206 common setgroups32 sys_setgroups
+207 common fchown32 sys_fchown
+208 common setresuid32 sys_setresuid
+209 common getresuid32 sys_getresuid
+210 common setresgid32 sys_setresgid
+211 common getresgid32 sys_getresgid
+212 common chown32 sys_chown
+213 common setuid32 sys_setuid
+214 common setgid32 sys_setgid
+215 common setfsuid32 sys_setfsuid
+216 common setfsgid32 sys_setfsgid
+217 common pivot_root sys_pivot_root
+218 common mincore sys_mincore
+219 common madvise sys_madvise
+220 common getdents64 sys_getdents64
+221 common fcntl64 sys_fcntl64
+# 222 is reserved for tux
+# 223 is unused
+224 common gettid sys_gettid
+225 common readahead sys_readahead
+226 common setxattr sys_setxattr
+227 common lsetxattr sys_lsetxattr
+228 common fsetxattr sys_fsetxattr
+229 common getxattr sys_getxattr
+230 common lgetxattr sys_lgetxattr
+231 common fgetxattr sys_fgetxattr
+232 common listxattr sys_listxattr
+233 common llistxattr sys_llistxattr
+234 common flistxattr sys_flistxattr
+235 common removexattr sys_removexattr
+236 common lremovexattr sys_lremovexattr
+237 common fremovexattr sys_fremovexattr
+238 common tkill sys_tkill
+239 common sendfile64 sys_sendfile64
+240 common futex sys_futex_time32
+241 common sched_setaffinity sys_sched_setaffinity
+242 common sched_getaffinity sys_sched_getaffinity
+# 243 is reserved for set_thread_area
+# 244 is reserved for get_thread_area
+245 common io_setup sys_io_setup
+246 common io_destroy sys_io_destroy
+247 common io_getevents sys_io_getevents_time32
+248 common io_submit sys_io_submit
+249 common io_cancel sys_io_cancel
+250 common fadvise64 sys_fadvise64
+# 251 is unused
+252 common exit_group sys_exit_group
+253 common lookup_dcookie sys_ni_syscall
+254 common epoll_create sys_epoll_create
+255 common epoll_ctl sys_epoll_ctl
+256 common epoll_wait sys_epoll_wait
+257 common remap_file_pages sys_remap_file_pages
+258 common set_tid_address sys_set_tid_address
+259 common timer_create sys_timer_create
+260 common timer_settime sys_timer_settime32
+261 common timer_gettime sys_timer_gettime32
+262 common timer_getoverrun sys_timer_getoverrun
+263 common timer_delete sys_timer_delete
+264 common clock_settime sys_clock_settime32
+265 common clock_gettime sys_clock_gettime32
+266 common clock_getres sys_clock_getres_time32
+267 common clock_nanosleep sys_clock_nanosleep_time32
+268 common statfs64 sys_statfs64
+269 common fstatfs64 sys_fstatfs64
+270 common tgkill sys_tgkill
+271 common utimes sys_utimes_time32
+272 common fadvise64_64 sys_fadvise64_64_wrapper
+# 273 is reserved for vserver
+274 common mbind sys_mbind
+275 common get_mempolicy sys_get_mempolicy
+276 common set_mempolicy sys_set_mempolicy
+277 common mq_open sys_mq_open
+278 common mq_unlink sys_mq_unlink
+279 common mq_timedsend sys_mq_timedsend_time32
+280 common mq_timedreceive sys_mq_timedreceive_time32
+281 common mq_notify sys_mq_notify
+282 common mq_getsetattr sys_mq_getsetattr
+283 common kexec_load sys_kexec_load
+284 common waitid sys_waitid
+285 common add_key sys_add_key
+286 common request_key sys_request_key
+287 common keyctl sys_keyctl
+288 common ioprio_set sys_ioprio_set
+289 common ioprio_get sys_ioprio_get
+290 common inotify_init sys_inotify_init
+291 common inotify_add_watch sys_inotify_add_watch
+292 common inotify_rm_watch sys_inotify_rm_watch
+# 293 is unused
+294 common migrate_pages sys_migrate_pages
+295 common openat sys_openat
+296 common mkdirat sys_mkdirat
+297 common mknodat sys_mknodat
+298 common fchownat sys_fchownat
+299 common futimesat sys_futimesat_time32
+300 common fstatat64 sys_fstatat64
+301 common unlinkat sys_unlinkat
+302 common renameat sys_renameat
+303 common linkat sys_linkat
+304 common symlinkat sys_symlinkat
+305 common readlinkat sys_readlinkat
+306 common fchmodat sys_fchmodat
+307 common faccessat sys_faccessat
+308 common pselect6 sys_pselect6_time32
+309 common ppoll sys_ppoll_time32
+310 common unshare sys_unshare
+311 common set_robust_list sys_set_robust_list
+312 common get_robust_list sys_get_robust_list
+313 common splice sys_splice
+314 common sync_file_range sys_sh_sync_file_range6
+315 common tee sys_tee
+316 common vmsplice sys_vmsplice
+317 common move_pages sys_move_pages
+318 common getcpu sys_getcpu
+319 common epoll_pwait sys_epoll_pwait
+320 common utimensat sys_utimensat_time32
+321 common signalfd sys_signalfd
+322 common timerfd_create sys_timerfd_create
+323 common eventfd sys_eventfd
+324 common fallocate sys_fallocate
+325 common timerfd_settime sys_timerfd_settime32
+326 common timerfd_gettime sys_timerfd_gettime32
+327 common signalfd4 sys_signalfd4
+328 common eventfd2 sys_eventfd2
+329 common epoll_create1 sys_epoll_create1
+330 common dup3 sys_dup3
+331 common pipe2 sys_pipe2
+332 common inotify_init1 sys_inotify_init1
+333 common preadv sys_preadv
+334 common pwritev sys_pwritev
+335 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
+336 common perf_event_open sys_perf_event_open
+337 common fanotify_init sys_fanotify_init
+338 common fanotify_mark sys_fanotify_mark
+339 common prlimit64 sys_prlimit64
+340 common socket sys_socket
+341 common bind sys_bind
+342 common connect sys_connect
+343 common listen sys_listen
+344 common accept sys_accept
+345 common getsockname sys_getsockname
+346 common getpeername sys_getpeername
+347 common socketpair sys_socketpair
+348 common send sys_send
+349 common sendto sys_sendto
+350 common recv sys_recv
+351 common recvfrom sys_recvfrom
+352 common shutdown sys_shutdown
+353 common setsockopt sys_setsockopt
+354 common getsockopt sys_getsockopt
+355 common sendmsg sys_sendmsg
+356 common recvmsg sys_recvmsg
+357 common recvmmsg sys_recvmmsg_time32
+358 common accept4 sys_accept4
+359 common name_to_handle_at sys_name_to_handle_at
+360 common open_by_handle_at sys_open_by_handle_at
+361 common clock_adjtime sys_clock_adjtime32
+362 common syncfs sys_syncfs
+363 common sendmmsg sys_sendmmsg
+364 common setns sys_setns
+365 common process_vm_readv sys_process_vm_readv
+366 common process_vm_writev sys_process_vm_writev
+367 common kcmp sys_kcmp
+368 common finit_module sys_finit_module
+369 common sched_getattr sys_sched_getattr
+370 common sched_setattr sys_sched_setattr
+371 common renameat2 sys_renameat2
+372 common seccomp sys_seccomp
+373 common getrandom sys_getrandom
+374 common memfd_create sys_memfd_create
+375 common bpf sys_bpf
+376 common execveat sys_execveat
+377 common userfaultfd sys_userfaultfd
+378 common membarrier sys_membarrier
+379 common mlock2 sys_mlock2
+380 common copy_file_range sys_copy_file_range
+381 common preadv2 sys_preadv2
+382 common pwritev2 sys_pwritev2
+383 common statx sys_statx
+384 common pkey_mprotect sys_pkey_mprotect
+385 common pkey_alloc sys_pkey_alloc
+386 common pkey_free sys_pkey_free
+387 common rseq sys_rseq
+388 common sync_file_range2 sys_sync_file_range2
+# room for arch specific syscalls
+393 common semget sys_semget
+394 common semctl sys_semctl
+395 common shmget sys_shmget
+396 common shmctl sys_shmctl
+397 common shmat sys_shmat
+398 common shmdt sys_shmdt
+399 common msgget sys_msgget
+400 common msgsnd sys_msgsnd
+401 common msgrcv sys_msgrcv
+402 common msgctl sys_msgctl
+403 common clock_gettime64 sys_clock_gettime
+404 common clock_settime64 sys_clock_settime
+405 common clock_adjtime64 sys_clock_adjtime
+406 common clock_getres_time64 sys_clock_getres
+407 common clock_nanosleep_time64 sys_clock_nanosleep
+408 common timer_gettime64 sys_timer_gettime
+409 common timer_settime64 sys_timer_settime
+410 common timerfd_gettime64 sys_timerfd_gettime
+411 common timerfd_settime64 sys_timerfd_settime
+412 common utimensat_time64 sys_utimensat
+413 common pselect6_time64 sys_pselect6
+414 common ppoll_time64 sys_ppoll
+416 common io_pgetevents_time64 sys_io_pgetevents
+417 common recvmmsg_time64 sys_recvmmsg
+418 common mq_timedsend_time64 sys_mq_timedsend
+419 common mq_timedreceive_time64 sys_mq_timedreceive
+420 common semtimedop_time64 sys_semtimedop
+421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait
+422 common futex_time64 sys_futex
+423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register
+428 common open_tree sys_open_tree
+429 common move_mount sys_move_mount
+430 common fsopen sys_fsopen
+431 common fsconfig sys_fsconfig
+432 common fsmount sys_fsmount
+433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
+# 435 reserved for clone3
+436 common close_range sys_close_range
+437 common openat2 sys_openat2
+438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
+440 common process_madvise sys_process_madvise
+441 common epoll_pwait2 sys_epoll_pwait2
+442 common mount_setattr sys_mount_setattr
+443 common quotactl_fd sys_quotactl_fd
+444 common landlock_create_ruleset sys_landlock_create_ruleset
+445 common landlock_add_rule sys_landlock_add_rule
+446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
+449 common futex_waitv sys_futex_waitv
+450 common set_mempolicy_home_node sys_set_mempolicy_home_node
+451 common cachestat sys_cachestat
+452 common fchmodat2 sys_fchmodat2
+453 common map_shadow_stack sys_map_shadow_stack
+454 common futex_wake sys_futex_wake
+455 common futex_wait sys_futex_wait
+456 common futex_requeue sys_futex_requeue
+457 common statmount sys_statmount
+458 common listmount sys_listmount
+459 common lsm_get_self_attr sys_lsm_get_self_attr
+460 common lsm_set_self_attr sys_lsm_set_self_attr
+461 common lsm_list_modules sys_lsm_list_modules
+462 common mseal sys_mseal
+463 common setxattrat sys_setxattrat
+464 common getxattrat sys_getxattrat
+465 common listxattrat sys_listxattrat
+466 common removexattrat sys_removexattrat
+467 common open_tree_attr sys_open_tree_attr
+468 common file_getattr sys_file_getattr
+469 common file_setattr sys_file_setattr
diff --git a/tools/perf/arch/sh/include/dwarf-regs-table.h b/tools/perf/arch/sh/include/dwarf-regs-table.h
index 3a2deaf3dab4..900e69619970 100644
--- a/tools/perf/arch/sh/include/dwarf-regs-table.h
+++ b/tools/perf/arch/sh/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef DEFINE_DWARF_REGSTR_TABLE
/* This is included in perf/util/dwarf-regs.c */
diff --git a/tools/perf/arch/sh/util/Build b/tools/perf/arch/sh/util/Build
deleted file mode 100644
index 954e287bbb89..000000000000
--- a/tools/perf/arch/sh/util/Build
+++ /dev/null
@@ -1 +0,0 @@
-libperf-$(CONFIG_DWARF) += dwarf-regs.o
diff --git a/tools/perf/arch/sh/util/dwarf-regs.c b/tools/perf/arch/sh/util/dwarf-regs.c
deleted file mode 100644
index f8dfa89696f4..000000000000
--- a/tools/perf/arch/sh/util/dwarf-regs.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Mapping of DWARF debug register numbers into register names.
- *
- * Copyright (C) 2010 Matt Fleming <matt@console-pimps.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- */
-
-#include <stddef.h>
-#include <dwarf-regs.h>
-
-/*
- * Generic dwarf analysis helpers
- */
-
-#define SH_MAX_REGS 18
-const char *sh_regs_table[SH_MAX_REGS] = {
- "r0",
- "r1",
- "r2",
- "r3",
- "r4",
- "r5",
- "r6",
- "r7",
- "r8",
- "r9",
- "r10",
- "r11",
- "r12",
- "r13",
- "r14",
- "r15",
- "pc",
- "pr",
-};
-
-/* Return architecture dependent register string (for kprobe-tracer) */
-const char *get_arch_regstr(unsigned int n)
-{
- return (n < SH_MAX_REGS) ? sh_regs_table[n] : NULL;
-}
diff --git a/tools/perf/arch/sparc/Build b/tools/perf/arch/sparc/Build
deleted file mode 100644
index 54afe4a467e7..000000000000
--- a/tools/perf/arch/sparc/Build
+++ /dev/null
@@ -1 +0,0 @@
-libperf-y += util/
diff --git a/tools/perf/arch/sparc/Makefile b/tools/perf/arch/sparc/Makefile
index 7fbca175099e..8b59ce8efb89 100644
--- a/tools/perf/arch/sparc/Makefile
+++ b/tools/perf/arch/sparc/Makefile
@@ -1,3 +1,2 @@
-ifndef NO_DWARF
-PERF_HAVE_DWARF_REGS := 1
-endif
+# SPDX-License-Identifier: GPL-2.0-only
+PERF_HAVE_JITDUMP := 1
diff --git a/tools/perf/arch/sparc/annotate/instructions.c b/tools/perf/arch/sparc/annotate/instructions.c
new file mode 100644
index 000000000000..68c31580ccfc
--- /dev/null
+++ b/tools/perf/arch/sparc/annotate/instructions.c
@@ -0,0 +1,171 @@
+// SPDX-License-Identifier: GPL-2.0
+
+static int is_branch_cond(const char *cond)
+{
+ if (cond[0] == '\0')
+ return 1;
+
+ if (cond[0] == 'a' && cond[1] == '\0')
+ return 1;
+
+ if (cond[0] == 'c' &&
+ (cond[1] == 'c' || cond[1] == 's') &&
+ cond[2] == '\0')
+ return 1;
+
+ if (cond[0] == 'e' &&
+ (cond[1] == '\0' ||
+ (cond[1] == 'q' && cond[2] == '\0')))
+ return 1;
+
+ if (cond[0] == 'g' &&
+ (cond[1] == '\0' ||
+ (cond[1] == 't' && cond[2] == '\0') ||
+ (cond[1] == 'e' && cond[2] == '\0') ||
+ (cond[1] == 'e' && cond[2] == 'u' && cond[3] == '\0')))
+ return 1;
+
+ if (cond[0] == 'l' &&
+ (cond[1] == '\0' ||
+ (cond[1] == 't' && cond[2] == '\0') ||
+ (cond[1] == 'u' && cond[2] == '\0') ||
+ (cond[1] == 'e' && cond[2] == '\0') ||
+ (cond[1] == 'e' && cond[2] == 'u' && cond[3] == '\0')))
+ return 1;
+
+ if (cond[0] == 'n' &&
+ (cond[1] == '\0' ||
+ (cond[1] == 'e' && cond[2] == '\0') ||
+ (cond[1] == 'z' && cond[2] == '\0') ||
+ (cond[1] == 'e' && cond[2] == 'g' && cond[3] == '\0')))
+ return 1;
+
+ if (cond[0] == 'b' &&
+ cond[1] == 'p' &&
+ cond[2] == 'o' &&
+ cond[3] == 's' &&
+ cond[4] == '\0')
+ return 1;
+
+ if (cond[0] == 'v' &&
+ (cond[1] == 'c' || cond[1] == 's') &&
+ cond[2] == '\0')
+ return 1;
+
+ if (cond[0] == 'b' &&
+ cond[1] == 'z' &&
+ cond[2] == '\0')
+ return 1;
+
+ return 0;
+}
+
+static int is_branch_reg_cond(const char *cond)
+{
+ if ((cond[0] == 'n' || cond[0] == 'l') &&
+ cond[1] == 'z' &&
+ cond[2] == '\0')
+ return 1;
+
+ if (cond[0] == 'z' &&
+ cond[1] == '\0')
+ return 1;
+
+ if ((cond[0] == 'g' || cond[0] == 'l') &&
+ cond[1] == 'e' &&
+ cond[2] == 'z' &&
+ cond[3] == '\0')
+ return 1;
+
+ if (cond[0] == 'g' &&
+ cond[1] == 'z' &&
+ cond[2] == '\0')
+ return 1;
+
+ return 0;
+}
+
+static int is_branch_float_cond(const char *cond)
+{
+ if (cond[0] == '\0')
+ return 1;
+
+ if ((cond[0] == 'a' || cond[0] == 'e' ||
+ cond[0] == 'z' || cond[0] == 'g' ||
+ cond[0] == 'l' || cond[0] == 'n' ||
+ cond[0] == 'o' || cond[0] == 'u') &&
+ cond[1] == '\0')
+ return 1;
+
+ if (((cond[0] == 'g' && cond[1] == 'e') ||
+ (cond[0] == 'l' && (cond[1] == 'e' ||
+ cond[1] == 'g')) ||
+ (cond[0] == 'n' && (cond[1] == 'e' ||
+ cond[1] == 'z')) ||
+ (cond[0] == 'u' && (cond[1] == 'e' ||
+ cond[1] == 'g' ||
+ cond[1] == 'l'))) &&
+ cond[2] == '\0')
+ return 1;
+
+ if (cond[0] == 'u' &&
+ (cond[1] == 'g' || cond[1] == 'l') &&
+ cond[2] == 'e' &&
+ cond[3] == '\0')
+ return 1;
+
+ return 0;
+}
+
+static struct ins_ops *sparc__associate_instruction_ops(struct arch *arch, const char *name)
+{
+ struct ins_ops *ops = NULL;
+
+ if (!strcmp(name, "call") ||
+ !strcmp(name, "jmp") ||
+ !strcmp(name, "jmpl")) {
+ ops = &call_ops;
+ } else if (!strcmp(name, "ret") ||
+ !strcmp(name, "retl") ||
+ !strcmp(name, "return")) {
+ ops = &ret_ops;
+ } else if (!strcmp(name, "mov")) {
+ ops = &mov_ops;
+ } else {
+ if (name[0] == 'c' &&
+ (name[1] == 'w' || name[1] == 'x'))
+ name += 2;
+
+ if (name[0] == 'b') {
+ const char *cond = name + 1;
+
+ if (cond[0] == 'r') {
+ if (is_branch_reg_cond(cond + 1))
+ ops = &jump_ops;
+ } else if (is_branch_cond(cond)) {
+ ops = &jump_ops;
+ }
+ } else if (name[0] == 'f' && name[1] == 'b') {
+ if (is_branch_float_cond(name + 2))
+ ops = &jump_ops;
+ }
+ }
+
+ if (ops)
+ arch__associate_ins_ops(arch, name, ops);
+
+ return ops;
+}
+
+static int sparc__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+ if (!arch->initialized) {
+ arch->initialized = true;
+ arch->associate_instruction_ops = sparc__associate_instruction_ops;
+ arch->objdump.comment_char = '#';
+ arch->e_machine = EM_SPARC;
+ arch->e_flags = 0;
+ }
+
+ return 0;
+}
diff --git a/tools/perf/arch/sparc/entry/syscalls/syscall.tbl b/tools/perf/arch/sparc/entry/syscalls/syscall.tbl
new file mode 100644
index 000000000000..ebb7d06d1044
--- /dev/null
+++ b/tools/perf/arch/sparc/entry/syscalls/syscall.tbl
@@ -0,0 +1,517 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for sparc
+#
+# The format is:
+# <number> <abi> <name> <entry point> <compat entry point>
+#
+# The <abi> can be common, 64, or 32 for this file.
+#
+0 common restart_syscall sys_restart_syscall
+1 32 exit sys_exit sparc_exit
+1 64 exit sparc_exit
+2 common fork sys_fork
+3 common read sys_read
+4 common write sys_write
+5 common open sys_open compat_sys_open
+6 common close sys_close
+7 common wait4 sys_wait4 compat_sys_wait4
+8 common creat sys_creat
+9 common link sys_link
+10 common unlink sys_unlink
+11 32 execv sunos_execv
+11 64 execv sys_nis_syscall
+12 common chdir sys_chdir
+13 32 chown sys_chown16
+13 64 chown sys_chown
+14 common mknod sys_mknod
+15 common chmod sys_chmod
+16 32 lchown sys_lchown16
+16 64 lchown sys_lchown
+17 common brk sys_brk
+18 common perfctr sys_nis_syscall
+19 common lseek sys_lseek compat_sys_lseek
+20 common getpid sys_getpid
+21 common capget sys_capget
+22 common capset sys_capset
+23 32 setuid sys_setuid16
+23 64 setuid sys_setuid
+24 32 getuid sys_getuid16
+24 64 getuid sys_getuid
+25 common vmsplice sys_vmsplice
+26 common ptrace sys_ptrace compat_sys_ptrace
+27 common alarm sys_alarm
+28 common sigaltstack sys_sigaltstack compat_sys_sigaltstack
+29 32 pause sys_pause
+29 64 pause sys_nis_syscall
+30 32 utime sys_utime32
+30 64 utime sys_utime
+31 32 lchown32 sys_lchown
+32 32 fchown32 sys_fchown
+33 common access sys_access
+34 common nice sys_nice
+35 32 chown32 sys_chown
+36 common sync sys_sync
+37 common kill sys_kill
+38 common stat sys_newstat compat_sys_newstat
+39 32 sendfile sys_sendfile compat_sys_sendfile
+39 64 sendfile sys_sendfile64
+40 common lstat sys_newlstat compat_sys_newlstat
+41 common dup sys_dup
+42 common pipe sys_sparc_pipe
+43 common times sys_times compat_sys_times
+44 32 getuid32 sys_getuid
+45 common umount2 sys_umount
+46 32 setgid sys_setgid16
+46 64 setgid sys_setgid
+47 32 getgid sys_getgid16
+47 64 getgid sys_getgid
+48 common signal sys_signal
+49 32 geteuid sys_geteuid16
+49 64 geteuid sys_geteuid
+50 32 getegid sys_getegid16
+50 64 getegid sys_getegid
+51 common acct sys_acct
+52 64 memory_ordering sys_memory_ordering
+53 32 getgid32 sys_getgid
+54 common ioctl sys_ioctl compat_sys_ioctl
+55 common reboot sys_reboot
+56 32 mmap2 sys_mmap2 sys32_mmap2
+57 common symlink sys_symlink
+58 common readlink sys_readlink
+59 32 execve sys_execve sys32_execve
+59 64 execve sys64_execve
+60 common umask sys_umask
+61 common chroot sys_chroot
+62 common fstat sys_newfstat compat_sys_newfstat
+63 common fstat64 sys_fstat64 compat_sys_fstat64
+64 common getpagesize sys_getpagesize
+65 common msync sys_msync
+66 common vfork sys_vfork
+67 common pread64 sys_pread64 compat_sys_pread64
+68 common pwrite64 sys_pwrite64 compat_sys_pwrite64
+69 32 geteuid32 sys_geteuid
+70 32 getegid32 sys_getegid
+71 common mmap sys_mmap
+72 32 setreuid32 sys_setreuid
+73 32 munmap sys_munmap
+73 64 munmap sys_64_munmap
+74 common mprotect sys_mprotect
+75 common madvise sys_madvise
+76 common vhangup sys_vhangup
+77 32 truncate64 sys_truncate64 compat_sys_truncate64
+78 common mincore sys_mincore
+79 32 getgroups sys_getgroups16
+79 64 getgroups sys_getgroups
+80 32 setgroups sys_setgroups16
+80 64 setgroups sys_setgroups
+81 common getpgrp sys_getpgrp
+82 32 setgroups32 sys_setgroups
+83 common setitimer sys_setitimer compat_sys_setitimer
+84 32 ftruncate64 sys_ftruncate64 compat_sys_ftruncate64
+85 common swapon sys_swapon
+86 common getitimer sys_getitimer compat_sys_getitimer
+87 32 setuid32 sys_setuid
+88 common sethostname sys_sethostname
+89 32 setgid32 sys_setgid
+90 common dup2 sys_dup2
+91 32 setfsuid32 sys_setfsuid
+92 common fcntl sys_fcntl compat_sys_fcntl
+93 common select sys_select compat_sys_select
+94 32 setfsgid32 sys_setfsgid
+95 common fsync sys_fsync
+96 common setpriority sys_setpriority
+97 common socket sys_socket
+98 common connect sys_connect
+99 common accept sys_accept
+100 common getpriority sys_getpriority
+101 common rt_sigreturn sys_rt_sigreturn sys32_rt_sigreturn
+102 common rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction
+103 common rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask
+104 common rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending
+105 32 rt_sigtimedwait sys_rt_sigtimedwait_time32 compat_sys_rt_sigtimedwait_time32
+105 64 rt_sigtimedwait sys_rt_sigtimedwait
+106 common rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo
+107 common rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend
+108 32 setresuid32 sys_setresuid
+108 64 setresuid sys_setresuid
+109 32 getresuid32 sys_getresuid
+109 64 getresuid sys_getresuid
+110 32 setresgid32 sys_setresgid
+110 64 setresgid sys_setresgid
+111 32 getresgid32 sys_getresgid
+111 64 getresgid sys_getresgid
+112 32 setregid32 sys_setregid
+113 common recvmsg sys_recvmsg compat_sys_recvmsg
+114 common sendmsg sys_sendmsg compat_sys_sendmsg
+115 32 getgroups32 sys_getgroups
+116 common gettimeofday sys_gettimeofday compat_sys_gettimeofday
+117 common getrusage sys_getrusage compat_sys_getrusage
+118 common getsockopt sys_getsockopt sys_getsockopt
+119 common getcwd sys_getcwd
+120 common readv sys_readv
+121 common writev sys_writev
+122 common settimeofday sys_settimeofday compat_sys_settimeofday
+123 32 fchown sys_fchown16
+123 64 fchown sys_fchown
+124 common fchmod sys_fchmod
+125 common recvfrom sys_recvfrom compat_sys_recvfrom
+126 32 setreuid sys_setreuid16
+126 64 setreuid sys_setreuid
+127 32 setregid sys_setregid16
+127 64 setregid sys_setregid
+128 common rename sys_rename
+129 common truncate sys_truncate compat_sys_truncate
+130 common ftruncate sys_ftruncate compat_sys_ftruncate
+131 common flock sys_flock
+132 common lstat64 sys_lstat64 compat_sys_lstat64
+133 common sendto sys_sendto
+134 common shutdown sys_shutdown
+135 common socketpair sys_socketpair
+136 common mkdir sys_mkdir
+137 common rmdir sys_rmdir
+138 32 utimes sys_utimes_time32
+138 64 utimes sys_utimes
+139 common stat64 sys_stat64 compat_sys_stat64
+140 common sendfile64 sys_sendfile64
+141 common getpeername sys_getpeername
+142 32 futex sys_futex_time32
+142 64 futex sys_futex
+143 common gettid sys_gettid
+144 common getrlimit sys_getrlimit compat_sys_getrlimit
+145 common setrlimit sys_setrlimit compat_sys_setrlimit
+146 common pivot_root sys_pivot_root
+147 common prctl sys_prctl
+148 common pciconfig_read sys_pciconfig_read
+149 common pciconfig_write sys_pciconfig_write
+150 common getsockname sys_getsockname
+151 common inotify_init sys_inotify_init
+152 common inotify_add_watch sys_inotify_add_watch
+153 common poll sys_poll
+154 common getdents64 sys_getdents64
+155 32 fcntl64 sys_fcntl64 compat_sys_fcntl64
+156 common inotify_rm_watch sys_inotify_rm_watch
+157 common statfs sys_statfs compat_sys_statfs
+158 common fstatfs sys_fstatfs compat_sys_fstatfs
+159 common umount sys_oldumount
+160 common sched_set_affinity sys_sched_setaffinity compat_sys_sched_setaffinity
+161 common sched_get_affinity sys_sched_getaffinity compat_sys_sched_getaffinity
+162 common getdomainname sys_getdomainname
+163 common setdomainname sys_setdomainname
+164 64 utrap_install sys_utrap_install
+165 common quotactl sys_quotactl
+166 common set_tid_address sys_set_tid_address
+167 common mount sys_mount
+168 common ustat sys_ustat compat_sys_ustat
+169 common setxattr sys_setxattr
+170 common lsetxattr sys_lsetxattr
+171 common fsetxattr sys_fsetxattr
+172 common getxattr sys_getxattr
+173 common lgetxattr sys_lgetxattr
+174 common getdents sys_getdents compat_sys_getdents
+175 common setsid sys_setsid
+176 common fchdir sys_fchdir
+177 common fgetxattr sys_fgetxattr
+178 common listxattr sys_listxattr
+179 common llistxattr sys_llistxattr
+180 common flistxattr sys_flistxattr
+181 common removexattr sys_removexattr
+182 common lremovexattr sys_lremovexattr
+183 32 sigpending sys_sigpending compat_sys_sigpending
+183 64 sigpending sys_nis_syscall
+184 common query_module sys_ni_syscall
+185 common setpgid sys_setpgid
+186 common fremovexattr sys_fremovexattr
+187 common tkill sys_tkill
+188 32 exit_group sys_exit_group sparc_exit_group
+188 64 exit_group sparc_exit_group
+189 common uname sys_newuname
+190 common init_module sys_init_module
+191 32 personality sys_personality sys_sparc64_personality
+191 64 personality sys_sparc64_personality
+192 32 remap_file_pages sys_sparc_remap_file_pages sys_remap_file_pages
+192 64 remap_file_pages sys_remap_file_pages
+193 common epoll_create sys_epoll_create
+194 common epoll_ctl sys_epoll_ctl
+195 common epoll_wait sys_epoll_wait
+196 common ioprio_set sys_ioprio_set
+197 common getppid sys_getppid
+198 32 sigaction sys_sparc_sigaction compat_sys_sparc_sigaction
+198 64 sigaction sys_nis_syscall
+199 common sgetmask sys_sgetmask
+200 common ssetmask sys_ssetmask
+201 32 sigsuspend sys_sigsuspend
+201 64 sigsuspend sys_nis_syscall
+202 common oldlstat sys_newlstat compat_sys_newlstat
+203 common uselib sys_uselib
+204 32 readdir sys_old_readdir compat_sys_old_readdir
+204 64 readdir sys_nis_syscall
+205 common readahead sys_readahead compat_sys_readahead
+206 common socketcall sys_socketcall compat_sys_socketcall
+207 common syslog sys_syslog
+208 common lookup_dcookie sys_ni_syscall
+209 common fadvise64 sys_fadvise64 compat_sys_fadvise64
+210 common fadvise64_64 sys_fadvise64_64 compat_sys_fadvise64_64
+211 common tgkill sys_tgkill
+212 common waitpid sys_waitpid
+213 common swapoff sys_swapoff
+214 common sysinfo sys_sysinfo compat_sys_sysinfo
+215 32 ipc sys_ipc compat_sys_ipc
+215 64 ipc sys_sparc_ipc
+216 32 sigreturn sys_sigreturn sys32_sigreturn
+216 64 sigreturn sys_nis_syscall
+217 common clone sys_clone
+218 common ioprio_get sys_ioprio_get
+219 32 adjtimex sys_adjtimex_time32
+219 64 adjtimex sys_sparc_adjtimex
+220 32 sigprocmask sys_sigprocmask compat_sys_sigprocmask
+220 64 sigprocmask sys_nis_syscall
+221 common create_module sys_ni_syscall
+222 common delete_module sys_delete_module
+223 common get_kernel_syms sys_ni_syscall
+224 common getpgid sys_getpgid
+225 common bdflush sys_ni_syscall
+226 common sysfs sys_sysfs
+227 common afs_syscall sys_nis_syscall
+228 common setfsuid sys_setfsuid16
+229 common setfsgid sys_setfsgid16
+230 common _newselect sys_select compat_sys_select
+231 32 time sys_time32
+232 common splice sys_splice
+233 32 stime sys_stime32
+233 64 stime sys_stime
+234 common statfs64 sys_statfs64 compat_sys_statfs64
+235 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64
+236 common _llseek sys_llseek
+237 common mlock sys_mlock
+238 common munlock sys_munlock
+239 common mlockall sys_mlockall
+240 common munlockall sys_munlockall
+241 common sched_setparam sys_sched_setparam
+242 common sched_getparam sys_sched_getparam
+243 common sched_setscheduler sys_sched_setscheduler
+244 common sched_getscheduler sys_sched_getscheduler
+245 common sched_yield sys_sched_yield
+246 common sched_get_priority_max sys_sched_get_priority_max
+247 common sched_get_priority_min sys_sched_get_priority_min
+248 32 sched_rr_get_interval sys_sched_rr_get_interval_time32
+248 64 sched_rr_get_interval sys_sched_rr_get_interval
+249 32 nanosleep sys_nanosleep_time32
+249 64 nanosleep sys_nanosleep
+250 32 mremap sys_mremap
+250 64 mremap sys_64_mremap
+251 common _sysctl sys_ni_syscall
+252 common getsid sys_getsid
+253 common fdatasync sys_fdatasync
+254 32 nfsservctl sys_ni_syscall sys_nis_syscall
+254 64 nfsservctl sys_nis_syscall
+255 common sync_file_range sys_sync_file_range compat_sys_sync_file_range
+256 32 clock_settime sys_clock_settime32
+256 64 clock_settime sys_clock_settime
+257 32 clock_gettime sys_clock_gettime32
+257 64 clock_gettime sys_clock_gettime
+258 32 clock_getres sys_clock_getres_time32
+258 64 clock_getres sys_clock_getres
+259 32 clock_nanosleep sys_clock_nanosleep_time32
+259 64 clock_nanosleep sys_clock_nanosleep
+260 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity
+261 common sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity
+262 32 timer_settime sys_timer_settime32
+262 64 timer_settime sys_timer_settime
+263 32 timer_gettime sys_timer_gettime32
+263 64 timer_gettime sys_timer_gettime
+264 common timer_getoverrun sys_timer_getoverrun
+265 common timer_delete sys_timer_delete
+266 common timer_create sys_timer_create compat_sys_timer_create
+# 267 was vserver
+267 common vserver sys_nis_syscall
+268 common io_setup sys_io_setup compat_sys_io_setup
+269 common io_destroy sys_io_destroy
+270 common io_submit sys_io_submit compat_sys_io_submit
+271 common io_cancel sys_io_cancel
+272 32 io_getevents sys_io_getevents_time32
+272 64 io_getevents sys_io_getevents
+273 common mq_open sys_mq_open compat_sys_mq_open
+274 common mq_unlink sys_mq_unlink
+275 32 mq_timedsend sys_mq_timedsend_time32
+275 64 mq_timedsend sys_mq_timedsend
+276 32 mq_timedreceive sys_mq_timedreceive_time32
+276 64 mq_timedreceive sys_mq_timedreceive
+277 common mq_notify sys_mq_notify compat_sys_mq_notify
+278 common mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr
+279 common waitid sys_waitid compat_sys_waitid
+280 common tee sys_tee
+281 common add_key sys_add_key
+282 common request_key sys_request_key
+283 common keyctl sys_keyctl compat_sys_keyctl
+284 common openat sys_openat compat_sys_openat
+285 common mkdirat sys_mkdirat
+286 common mknodat sys_mknodat
+287 common fchownat sys_fchownat
+288 32 futimesat sys_futimesat_time32
+288 64 futimesat sys_futimesat
+289 common fstatat64 sys_fstatat64 compat_sys_fstatat64
+290 common unlinkat sys_unlinkat
+291 common renameat sys_renameat
+292 common linkat sys_linkat
+293 common symlinkat sys_symlinkat
+294 common readlinkat sys_readlinkat
+295 common fchmodat sys_fchmodat
+296 common faccessat sys_faccessat
+297 32 pselect6 sys_pselect6_time32 compat_sys_pselect6_time32
+297 64 pselect6 sys_pselect6
+298 32 ppoll sys_ppoll_time32 compat_sys_ppoll_time32
+298 64 ppoll sys_ppoll
+299 common unshare sys_unshare
+300 common set_robust_list sys_set_robust_list compat_sys_set_robust_list
+301 common get_robust_list sys_get_robust_list compat_sys_get_robust_list
+302 common migrate_pages sys_migrate_pages
+303 common mbind sys_mbind
+304 common get_mempolicy sys_get_mempolicy
+305 common set_mempolicy sys_set_mempolicy
+306 common kexec_load sys_kexec_load compat_sys_kexec_load
+307 common move_pages sys_move_pages
+308 common getcpu sys_getcpu
+309 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait
+310 32 utimensat sys_utimensat_time32
+310 64 utimensat sys_utimensat
+311 common signalfd sys_signalfd compat_sys_signalfd
+312 common timerfd_create sys_timerfd_create
+313 common eventfd sys_eventfd
+314 common fallocate sys_fallocate compat_sys_fallocate
+315 32 timerfd_settime sys_timerfd_settime32
+315 64 timerfd_settime sys_timerfd_settime
+316 32 timerfd_gettime sys_timerfd_gettime32
+316 64 timerfd_gettime sys_timerfd_gettime
+317 common signalfd4 sys_signalfd4 compat_sys_signalfd4
+318 common eventfd2 sys_eventfd2
+319 common epoll_create1 sys_epoll_create1
+320 common dup3 sys_dup3
+321 common pipe2 sys_pipe2
+322 common inotify_init1 sys_inotify_init1
+323 common accept4 sys_accept4
+324 common preadv sys_preadv compat_sys_preadv
+325 common pwritev sys_pwritev compat_sys_pwritev
+326 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
+327 common perf_event_open sys_perf_event_open
+328 32 recvmmsg sys_recvmmsg_time32 compat_sys_recvmmsg_time32
+328 64 recvmmsg sys_recvmmsg
+329 common fanotify_init sys_fanotify_init
+330 common fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark
+331 common prlimit64 sys_prlimit64
+332 common name_to_handle_at sys_name_to_handle_at
+333 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
+334 32 clock_adjtime sys_clock_adjtime32
+334 64 clock_adjtime sys_sparc_clock_adjtime
+335 common syncfs sys_syncfs
+336 common sendmmsg sys_sendmmsg compat_sys_sendmmsg
+337 common setns sys_setns
+338 common process_vm_readv sys_process_vm_readv
+339 common process_vm_writev sys_process_vm_writev
+340 32 kern_features sys_ni_syscall sys_kern_features
+340 64 kern_features sys_kern_features
+341 common kcmp sys_kcmp
+342 common finit_module sys_finit_module
+343 common sched_setattr sys_sched_setattr
+344 common sched_getattr sys_sched_getattr
+345 common renameat2 sys_renameat2
+346 common seccomp sys_seccomp
+347 common getrandom sys_getrandom
+348 common memfd_create sys_memfd_create
+349 common bpf sys_bpf
+350 32 execveat sys_execveat sys32_execveat
+350 64 execveat sys64_execveat
+351 common membarrier sys_membarrier
+352 common userfaultfd sys_userfaultfd
+353 common bind sys_bind
+354 common listen sys_listen
+355 common setsockopt sys_setsockopt sys_setsockopt
+356 common mlock2 sys_mlock2
+357 common copy_file_range sys_copy_file_range
+358 common preadv2 sys_preadv2 compat_sys_preadv2
+359 common pwritev2 sys_pwritev2 compat_sys_pwritev2
+360 common statx sys_statx
+361 32 io_pgetevents sys_io_pgetevents_time32 compat_sys_io_pgetevents
+361 64 io_pgetevents sys_io_pgetevents
+362 common pkey_mprotect sys_pkey_mprotect
+363 common pkey_alloc sys_pkey_alloc
+364 common pkey_free sys_pkey_free
+365 common rseq sys_rseq
+# room for arch specific syscalls
+392 64 semtimedop sys_semtimedop
+393 common semget sys_semget
+394 common semctl sys_semctl compat_sys_semctl
+395 common shmget sys_shmget
+396 common shmctl sys_shmctl compat_sys_shmctl
+397 common shmat sys_shmat compat_sys_shmat
+398 common shmdt sys_shmdt
+399 common msgget sys_msgget
+400 common msgsnd sys_msgsnd compat_sys_msgsnd
+401 common msgrcv sys_msgrcv compat_sys_msgrcv
+402 common msgctl sys_msgctl compat_sys_msgctl
+403 32 clock_gettime64 sys_clock_gettime sys_clock_gettime
+404 32 clock_settime64 sys_clock_settime sys_clock_settime
+405 32 clock_adjtime64 sys_clock_adjtime sys_clock_adjtime
+406 32 clock_getres_time64 sys_clock_getres sys_clock_getres
+407 32 clock_nanosleep_time64 sys_clock_nanosleep sys_clock_nanosleep
+408 32 timer_gettime64 sys_timer_gettime sys_timer_gettime
+409 32 timer_settime64 sys_timer_settime sys_timer_settime
+410 32 timerfd_gettime64 sys_timerfd_gettime sys_timerfd_gettime
+411 32 timerfd_settime64 sys_timerfd_settime sys_timerfd_settime
+412 32 utimensat_time64 sys_utimensat sys_utimensat
+413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64
+414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64
+416 32 io_pgetevents_time64 sys_io_pgetevents compat_sys_io_pgetevents_time64
+417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64
+418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend
+419 32 mq_timedreceive_time64 sys_mq_timedreceive sys_mq_timedreceive
+420 32 semtimedop_time64 sys_semtimedop sys_semtimedop
+421 32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64
+422 32 futex_time64 sys_futex sys_futex
+423 32 sched_rr_get_interval_time64 sys_sched_rr_get_interval sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register
+428 common open_tree sys_open_tree
+429 common move_mount sys_move_mount
+430 common fsopen sys_fsopen
+431 common fsconfig sys_fsconfig
+432 common fsmount sys_fsmount
+433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
+# 435 reserved for clone3
+436 common close_range sys_close_range
+437 common openat2 sys_openat2
+438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
+440 common process_madvise sys_process_madvise
+441 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
+442 common mount_setattr sys_mount_setattr
+443 common quotactl_fd sys_quotactl_fd
+444 common landlock_create_ruleset sys_landlock_create_ruleset
+445 common landlock_add_rule sys_landlock_add_rule
+446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
+449 common futex_waitv sys_futex_waitv
+450 common set_mempolicy_home_node sys_set_mempolicy_home_node
+451 common cachestat sys_cachestat
+452 common fchmodat2 sys_fchmodat2
+453 common map_shadow_stack sys_map_shadow_stack
+454 common futex_wake sys_futex_wake
+455 common futex_wait sys_futex_wait
+456 common futex_requeue sys_futex_requeue
+457 common statmount sys_statmount
+458 common listmount sys_listmount
+459 common lsm_get_self_attr sys_lsm_get_self_attr
+460 common lsm_set_self_attr sys_lsm_set_self_attr
+461 common lsm_list_modules sys_lsm_list_modules
+462 common mseal sys_mseal
+463 common setxattrat sys_setxattrat
+464 common getxattrat sys_getxattrat
+465 common listxattrat sys_listxattrat
+466 common removexattrat sys_removexattrat
+467 common open_tree_attr sys_open_tree_attr
+468 common file_getattr sys_file_getattr
+469 common file_setattr sys_file_setattr
diff --git a/tools/perf/arch/sparc/include/dwarf-regs-table.h b/tools/perf/arch/sparc/include/dwarf-regs-table.h
index 12c07619002c..35ede84a6b0d 100644
--- a/tools/perf/arch/sparc/include/dwarf-regs-table.h
+++ b/tools/perf/arch/sparc/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef DEFINE_DWARF_REGSTR_TABLE
/* This is included in perf/util/dwarf-regs.c */
diff --git a/tools/perf/arch/sparc/util/Build b/tools/perf/arch/sparc/util/Build
deleted file mode 100644
index 954e287bbb89..000000000000
--- a/tools/perf/arch/sparc/util/Build
+++ /dev/null
@@ -1 +0,0 @@
-libperf-$(CONFIG_DWARF) += dwarf-regs.o
diff --git a/tools/perf/arch/sparc/util/dwarf-regs.c b/tools/perf/arch/sparc/util/dwarf-regs.c
deleted file mode 100644
index b704fdb9237a..000000000000
--- a/tools/perf/arch/sparc/util/dwarf-regs.c
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Mapping of DWARF debug register numbers into register names.
- *
- * Copyright (C) 2010 David S. Miller <davem@davemloft.net>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <stddef.h>
-#include <dwarf-regs.h>
-
-#define SPARC_MAX_REGS 96
-
-const char *sparc_regs_table[SPARC_MAX_REGS] = {
- "%g0", "%g1", "%g2", "%g3", "%g4", "%g5", "%g6", "%g7",
- "%o0", "%o1", "%o2", "%o3", "%o4", "%o5", "%sp", "%o7",
- "%l0", "%l1", "%l2", "%l3", "%l4", "%l5", "%l6", "%l7",
- "%i0", "%i1", "%i2", "%i3", "%i4", "%i5", "%fp", "%i7",
- "%f0", "%f1", "%f2", "%f3", "%f4", "%f5", "%f6", "%f7",
- "%f8", "%f9", "%f10", "%f11", "%f12", "%f13", "%f14", "%f15",
- "%f16", "%f17", "%f18", "%f19", "%f20", "%f21", "%f22", "%f23",
- "%f24", "%f25", "%f26", "%f27", "%f28", "%f29", "%f30", "%f31",
- "%f32", "%f33", "%f34", "%f35", "%f36", "%f37", "%f38", "%f39",
- "%f40", "%f41", "%f42", "%f43", "%f44", "%f45", "%f46", "%f47",
- "%f48", "%f49", "%f50", "%f51", "%f52", "%f53", "%f54", "%f55",
- "%f56", "%f57", "%f58", "%f59", "%f60", "%f61", "%f62", "%f63",
-};
-
-/**
- * get_arch_regstr() - lookup register name from it's DWARF register number
- * @n: the DWARF register number
- *
- * get_arch_regstr() returns the name of the register in struct
- * regdwarfnum_table from it's DWARF register number. If the register is not
- * found in the table, this returns NULL;
- */
-const char *get_arch_regstr(unsigned int n)
-{
- return (n < SPARC_MAX_REGS) ? sparc_regs_table[n] : NULL;
-}
diff --git a/tools/perf/arch/x86/Build b/tools/perf/arch/x86/Build
index db52fa22d3a1..d31a1168757c 100644
--- a/tools/perf/arch/x86/Build
+++ b/tools/perf/arch/x86/Build
@@ -1,2 +1,15 @@
-libperf-y += util/
-libperf-y += tests/
+perf-util-y += util/
+perf-test-y += tests/
+
+ifdef SHELLCHECK
+ SHELL_TEST_LOGS := $(SHELL_TESTS:%=%.shellcheck_log)
+else
+ SHELL_TESTS :=
+ SHELL_TEST_LOGS :=
+endif
+
+$(OUTPUT)%.shellcheck_log: %
+ $(call rule_mkdir)
+ $(Q)$(call echo-cmd,test)$(SHELLCHECK) "$<" > $@ || (cat $@ && rm $@ && false)
+
+perf-test-y += $(SHELL_TEST_LOGS)
diff --git a/tools/perf/arch/x86/Makefile b/tools/perf/arch/x86/Makefile
index 6c9211b18ec0..a295a80ea078 100644
--- a/tools/perf/arch/x86/Makefile
+++ b/tools/perf/arch/x86/Makefile
@@ -1,29 +1,3 @@
-ifndef NO_DWARF
-PERF_HAVE_DWARF_REGS := 1
-endif
+# SPDX-License-Identifier: GPL-2.0
HAVE_KVM_STAT_SUPPORT := 1
-PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1
PERF_HAVE_JITDUMP := 1
-
-###
-# Syscall table generation
-#
-
-out := $(OUTPUT)arch/x86/include/generated/asm
-header := $(out)/syscalls_64.c
-sys := $(srctree)/tools/perf/arch/x86/entry/syscalls
-systbl := $(sys)/syscalltbl.sh
-
-# Create output directory if not already present
-_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)')
-
-$(header): $(sys)/syscall_64.tbl $(systbl)
- @(test -d ../../kernel -a -d ../../tools -a -d ../perf && ( \
- (diff -B arch/x86/entry/syscalls/syscall_64.tbl ../../arch/x86/entry/syscalls/syscall_64.tbl >/dev/null) \
- || echo "Warning: x86_64's syscall_64.tbl differs from kernel" >&2 )) || true
- $(Q)$(SHELL) '$(systbl)' $(sys)/syscall_64.tbl 'x86_64' > $@
-
-clean::
- $(call QUIET_CLEAN, x86) $(RM) $(header)
-
-archheaders: $(header)
diff --git a/tools/perf/arch/x86/annotate/instructions.c b/tools/perf/arch/x86/annotate/instructions.c
index c1625f256df3..803f9351a3fb 100644
--- a/tools/perf/arch/x86/annotate/instructions.c
+++ b/tools/perf/arch/x86/annotate/instructions.c
@@ -1,23 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * x86 instruction nmemonic table to parse disasm lines for annotate.
+ * This table is searched twice - one for exact match and another for
+ * match without a size suffix (b, w, l, q) in case of AT&T syntax.
+ *
+ * So this table should not have entries with the suffix unless it's
+ * a complete different instruction than ones without the suffix.
+ */
static struct ins x86__instructions[] = {
+ { .name = "adc", .ops = &mov_ops, },
{ .name = "add", .ops = &mov_ops, },
- { .name = "addl", .ops = &mov_ops, },
- { .name = "addq", .ops = &mov_ops, },
- { .name = "addw", .ops = &mov_ops, },
+ { .name = "addsd", .ops = &mov_ops, },
{ .name = "and", .ops = &mov_ops, },
+ { .name = "andpd", .ops = &mov_ops, },
+ { .name = "andps", .ops = &mov_ops, },
+ { .name = "bsr", .ops = &mov_ops, },
+ { .name = "bt", .ops = &mov_ops, },
+ { .name = "btr", .ops = &mov_ops, },
{ .name = "bts", .ops = &mov_ops, },
{ .name = "call", .ops = &call_ops, },
- { .name = "callq", .ops = &call_ops, },
+ { .name = "cmovbe", .ops = &mov_ops, },
+ { .name = "cmove", .ops = &mov_ops, },
+ { .name = "cmovae", .ops = &mov_ops, },
{ .name = "cmp", .ops = &mov_ops, },
- { .name = "cmpb", .ops = &mov_ops, },
- { .name = "cmpl", .ops = &mov_ops, },
- { .name = "cmpq", .ops = &mov_ops, },
- { .name = "cmpw", .ops = &mov_ops, },
{ .name = "cmpxch", .ops = &mov_ops, },
+ { .name = "cmpxchg", .ops = &mov_ops, },
+ { .name = "cs", .ops = &mov_ops, },
{ .name = "dec", .ops = &dec_ops, },
- { .name = "decl", .ops = &dec_ops, },
+ { .name = "divsd", .ops = &mov_ops, },
+ { .name = "divss", .ops = &mov_ops, },
+ { .name = "gs", .ops = &mov_ops, },
{ .name = "imul", .ops = &mov_ops, },
{ .name = "inc", .ops = &dec_ops, },
- { .name = "incl", .ops = &dec_ops, },
{ .name = "ja", .ops = &jump_ops, },
{ .name = "jae", .ops = &jump_ops, },
{ .name = "jb", .ops = &jump_ops, },
@@ -31,7 +45,6 @@ static struct ins x86__instructions[] = {
{ .name = "jl", .ops = &jump_ops, },
{ .name = "jle", .ops = &jump_ops, },
{ .name = "jmp", .ops = &jump_ops, },
- { .name = "jmpq", .ops = &jump_ops, },
{ .name = "jna", .ops = &jump_ops, },
{ .name = "jnae", .ops = &jump_ops, },
{ .name = "jnb", .ops = &jump_ops, },
@@ -56,23 +69,715 @@ static struct ins x86__instructions[] = {
{ .name = "lea", .ops = &mov_ops, },
{ .name = "lock", .ops = &lock_ops, },
{ .name = "mov", .ops = &mov_ops, },
- { .name = "movb", .ops = &mov_ops, },
+ { .name = "movapd", .ops = &mov_ops, },
+ { .name = "movaps", .ops = &mov_ops, },
{ .name = "movdqa", .ops = &mov_ops, },
- { .name = "movl", .ops = &mov_ops, },
- { .name = "movq", .ops = &mov_ops, },
- { .name = "movslq", .ops = &mov_ops, },
- { .name = "movzbl", .ops = &mov_ops, },
- { .name = "movzwl", .ops = &mov_ops, },
+ { .name = "movdqu", .ops = &mov_ops, },
+ { .name = "movsd", .ops = &mov_ops, },
+ { .name = "movss", .ops = &mov_ops, },
+ { .name = "movsb", .ops = &mov_ops, },
+ { .name = "movsw", .ops = &mov_ops, },
+ { .name = "movsl", .ops = &mov_ops, },
+ { .name = "movupd", .ops = &mov_ops, },
+ { .name = "movups", .ops = &mov_ops, },
+ { .name = "movzb", .ops = &mov_ops, },
+ { .name = "movzw", .ops = &mov_ops, },
+ { .name = "movzl", .ops = &mov_ops, },
+ { .name = "mulsd", .ops = &mov_ops, },
+ { .name = "mulss", .ops = &mov_ops, },
{ .name = "nop", .ops = &nop_ops, },
- { .name = "nopl", .ops = &nop_ops, },
- { .name = "nopw", .ops = &nop_ops, },
{ .name = "or", .ops = &mov_ops, },
- { .name = "orl", .ops = &mov_ops, },
+ { .name = "orps", .ops = &mov_ops, },
+ { .name = "pand", .ops = &mov_ops, },
+ { .name = "paddq", .ops = &mov_ops, },
+ { .name = "pcmpeqb", .ops = &mov_ops, },
+ { .name = "por", .ops = &mov_ops, },
+ { .name = "rcl", .ops = &mov_ops, },
+ { .name = "ret", .ops = &ret_ops, },
+ { .name = "sbb", .ops = &mov_ops, },
+ { .name = "sete", .ops = &mov_ops, },
+ { .name = "sub", .ops = &mov_ops, },
+ { .name = "subsd", .ops = &mov_ops, },
{ .name = "test", .ops = &mov_ops, },
- { .name = "testb", .ops = &mov_ops, },
- { .name = "testl", .ops = &mov_ops, },
+ { .name = "tzcnt", .ops = &mov_ops, },
+ { .name = "ucomisd", .ops = &mov_ops, },
+ { .name = "ucomiss", .ops = &mov_ops, },
+ { .name = "vaddsd", .ops = &mov_ops, },
+ { .name = "vandpd", .ops = &mov_ops, },
+ { .name = "vmovdqa", .ops = &mov_ops, },
+ { .name = "vmovq", .ops = &mov_ops, },
+ { .name = "vmovsd", .ops = &mov_ops, },
+ { .name = "vmulsd", .ops = &mov_ops, },
+ { .name = "vorpd", .ops = &mov_ops, },
+ { .name = "vsubsd", .ops = &mov_ops, },
+ { .name = "vucomisd", .ops = &mov_ops, },
{ .name = "xadd", .ops = &mov_ops, },
- { .name = "xbeginl", .ops = &jump_ops, },
- { .name = "xbeginq", .ops = &jump_ops, },
- { .name = "retq", .ops = &ret_ops, },
+ { .name = "xbegin", .ops = &jump_ops, },
+ { .name = "xchg", .ops = &mov_ops, },
+ { .name = "xor", .ops = &mov_ops, },
+ { .name = "xorpd", .ops = &mov_ops, },
+ { .name = "xorps", .ops = &mov_ops, },
};
+
+static bool amd__ins_is_fused(struct arch *arch, const char *ins1,
+ const char *ins2)
+{
+ if (strstr(ins2, "jmp"))
+ return false;
+
+ /* Family >= 15h supports cmp/test + branch fusion */
+ if (arch->family >= 0x15 && (strstarts(ins1, "test") ||
+ (strstarts(ins1, "cmp") && !strstr(ins1, "xchg")))) {
+ return true;
+ }
+
+ /* Family >= 19h supports some ALU + branch fusion */
+ if (arch->family >= 0x19 && (strstarts(ins1, "add") ||
+ strstarts(ins1, "sub") || strstarts(ins1, "and") ||
+ strstarts(ins1, "inc") || strstarts(ins1, "dec") ||
+ strstarts(ins1, "or") || strstarts(ins1, "xor"))) {
+ return true;
+ }
+
+ return false;
+}
+
+static bool intel__ins_is_fused(struct arch *arch, const char *ins1,
+ const char *ins2)
+{
+ if (arch->family != 6 || arch->model < 0x1e || strstr(ins2, "jmp"))
+ return false;
+
+ if (arch->model == 0x1e) {
+ /* Nehalem */
+ if ((strstr(ins1, "cmp") && !strstr(ins1, "xchg")) ||
+ strstr(ins1, "test")) {
+ return true;
+ }
+ } else {
+ /* Newer platform */
+ if ((strstr(ins1, "cmp") && !strstr(ins1, "xchg")) ||
+ strstr(ins1, "test") ||
+ strstr(ins1, "add") ||
+ strstr(ins1, "sub") ||
+ strstr(ins1, "and") ||
+ strstr(ins1, "inc") ||
+ strstr(ins1, "dec")) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static int x86__cpuid_parse(struct arch *arch, char *cpuid)
+{
+ unsigned int family, model, stepping;
+ int ret;
+
+ /*
+ * cpuid = "GenuineIntel,family,model,stepping"
+ */
+ ret = sscanf(cpuid, "%*[^,],%u,%u,%u", &family, &model, &stepping);
+ if (ret == 3) {
+ arch->family = family;
+ arch->model = model;
+ arch->ins_is_fused = strstarts(cpuid, "AuthenticAMD") ?
+ amd__ins_is_fused :
+ intel__ins_is_fused;
+ return 0;
+ }
+
+ return -1;
+}
+
+static int x86__annotate_init(struct arch *arch, char *cpuid)
+{
+ int err = 0;
+
+ if (arch->initialized)
+ return 0;
+
+ if (cpuid) {
+ if (x86__cpuid_parse(arch, cpuid))
+ err = SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_CPUID_PARSING;
+ }
+ arch->e_machine = EM_X86_64;
+ arch->e_flags = 0;
+ arch->initialized = true;
+ return err;
+}
+
+#ifdef HAVE_LIBDW_SUPPORT
+static void update_insn_state_x86(struct type_state *state,
+ struct data_loc_info *dloc, Dwarf_Die *cu_die,
+ struct disasm_line *dl)
+{
+ struct annotated_insn_loc loc;
+ struct annotated_op_loc *src = &loc.ops[INSN_OP_SOURCE];
+ struct annotated_op_loc *dst = &loc.ops[INSN_OP_TARGET];
+ struct type_state_reg *tsr;
+ Dwarf_Die type_die;
+ u32 insn_offset = dl->al.offset;
+ int fbreg = dloc->fbreg;
+ int fboff = 0;
+
+ if (annotate_get_insn_location(dloc->arch, dl, &loc) < 0)
+ return;
+
+ if (ins__is_call(&dl->ins)) {
+ struct symbol *func = dl->ops.target.sym;
+
+ if (func == NULL)
+ return;
+
+ /* __fentry__ will preserve all registers */
+ if (!strcmp(func->name, "__fentry__"))
+ return;
+
+ pr_debug_dtp("call [%x] %s\n", insn_offset, func->name);
+
+ /* Otherwise invalidate caller-saved registers after call */
+ for (unsigned i = 0; i < ARRAY_SIZE(state->regs); i++) {
+ if (state->regs[i].caller_saved)
+ state->regs[i].ok = false;
+ }
+
+ /* Update register with the return type (if any) */
+ if (die_find_func_rettype(cu_die, func->name, &type_die)) {
+ tsr = &state->regs[state->ret_reg];
+ tsr->type = type_die;
+ tsr->kind = TSR_KIND_TYPE;
+ tsr->offset = 0;
+ tsr->ok = true;
+
+ pr_debug_dtp("call [%x] return -> reg%d",
+ insn_offset, state->ret_reg);
+ pr_debug_type_name(&type_die, tsr->kind);
+ }
+ return;
+ }
+
+ if (!strncmp(dl->ins.name, "add", 3)) {
+ u64 imm_value = -1ULL;
+ int offset;
+ const char *var_name = NULL;
+ struct map_symbol *ms = dloc->ms;
+ u64 ip = ms->sym->start + dl->al.offset;
+
+ if (!has_reg_type(state, dst->reg1))
+ return;
+
+ tsr = &state->regs[dst->reg1];
+ tsr->copied_from = -1;
+
+ if (src->imm)
+ imm_value = src->offset;
+ else if (has_reg_type(state, src->reg1) &&
+ state->regs[src->reg1].kind == TSR_KIND_CONST)
+ imm_value = state->regs[src->reg1].imm_value;
+ else if (src->reg1 == DWARF_REG_PC) {
+ u64 var_addr = annotate_calc_pcrel(dloc->ms, ip,
+ src->offset, dl);
+
+ if (get_global_var_info(dloc, var_addr,
+ &var_name, &offset) &&
+ !strcmp(var_name, "this_cpu_off") &&
+ tsr->kind == TSR_KIND_CONST) {
+ tsr->kind = TSR_KIND_PERCPU_BASE;
+ tsr->offset = 0;
+ tsr->ok = true;
+ imm_value = tsr->imm_value;
+ }
+ }
+ else
+ return;
+
+ /* Ignore add to non-pointer or non-const types */
+ if (tsr->kind == TSR_KIND_POINTER ||
+ (dwarf_tag(&tsr->type) == DW_TAG_pointer_type &&
+ src->reg1 != DWARF_REG_PC && tsr->kind == TSR_KIND_TYPE && !dst->mem_ref)) {
+ tsr->offset += imm_value;
+ pr_debug_dtp("add [%x] offset %#"PRIx64" to reg%d",
+ insn_offset, imm_value, dst->reg1);
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+
+ if (tsr->kind == TSR_KIND_CONST)
+ tsr->imm_value += imm_value;
+
+ if (tsr->kind != TSR_KIND_PERCPU_BASE)
+ return;
+
+ if (get_global_var_type(cu_die, dloc, ip, imm_value, &offset,
+ &type_die) && offset == 0) {
+ /*
+ * This is not a pointer type, but it should be treated
+ * as a pointer.
+ */
+ tsr->type = type_die;
+ tsr->kind = TSR_KIND_PERCPU_POINTER;
+ tsr->offset = 0;
+ tsr->ok = true;
+
+ pr_debug_dtp("add [%x] percpu %#"PRIx64" -> reg%d",
+ insn_offset, imm_value, dst->reg1);
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+ return;
+ }
+
+ if (!strncmp(dl->ins.name, "sub", 3)) {
+ u64 imm_value = -1ULL;
+
+ if (!has_reg_type(state, dst->reg1))
+ return;
+
+ tsr = &state->regs[dst->reg1];
+ tsr->copied_from = -1;
+
+ if (src->imm)
+ imm_value = src->offset;
+ else if (has_reg_type(state, src->reg1) &&
+ state->regs[src->reg1].kind == TSR_KIND_CONST)
+ imm_value = state->regs[src->reg1].imm_value;
+
+ if (tsr->kind == TSR_KIND_POINTER ||
+ (dwarf_tag(&tsr->type) == DW_TAG_pointer_type &&
+ src->reg1 != DWARF_REG_PC && tsr->kind == TSR_KIND_TYPE && !dst->mem_ref)) {
+ tsr->offset -= imm_value;
+ pr_debug_dtp("sub [%x] offset %#"PRIx64" to reg%d",
+ insn_offset, imm_value, dst->reg1);
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+
+ if (tsr->kind == TSR_KIND_CONST)
+ tsr->imm_value -= imm_value;
+
+ return;
+ }
+
+ if (!strncmp(dl->ins.name, "lea", 3)) {
+ int sreg = src->reg1;
+ struct type_state_reg src_tsr;
+
+ if (!has_reg_type(state, sreg) ||
+ !has_reg_type(state, dst->reg1) ||
+ !src->mem_ref)
+ return;
+
+ src_tsr = state->regs[sreg];
+ tsr = &state->regs[dst->reg1];
+
+ tsr->copied_from = -1;
+ tsr->ok = false;
+
+ /* Case 1: Based on stack pointer or frame pointer */
+ if (sreg == fbreg || sreg == state->stack_reg) {
+ struct type_state_stack *stack;
+ int offset = src->offset - fboff;
+
+ stack = find_stack_state(state, offset);
+ if (!stack)
+ return;
+
+ tsr->type = stack->type;
+ tsr->kind = TSR_KIND_POINTER;
+ tsr->offset = offset - stack->offset;
+ tsr->ok = true;
+
+ if (sreg == fbreg) {
+ pr_debug_dtp("lea [%x] address of -%#x(stack) -> reg%d",
+ insn_offset, -src->offset, dst->reg1);
+ } else {
+ pr_debug_dtp("lea [%x] address of %#x(reg%d) -> reg%d",
+ insn_offset, src->offset, sreg, dst->reg1);
+ }
+
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+ /* Case 2: Based on a register holding a typed pointer */
+ else if (src_tsr.ok && (src_tsr.kind == TSR_KIND_POINTER ||
+ (dwarf_tag(&src_tsr.type) == DW_TAG_pointer_type &&
+ src_tsr.kind == TSR_KIND_TYPE))) {
+
+ if (src_tsr.kind == TSR_KIND_TYPE &&
+ __die_get_real_type(&state->regs[sreg].type, &type_die) == NULL)
+ return;
+
+ if (src_tsr.kind == TSR_KIND_POINTER)
+ type_die = state->regs[sreg].type;
+
+ /* Check if the target type has a member at the new offset */
+ if (die_get_member_type(&type_die,
+ src->offset + src_tsr.offset, &type_die) == NULL)
+ return;
+
+ tsr->type = src_tsr.type;
+ tsr->kind = src_tsr.kind;
+ tsr->offset = src->offset + src_tsr.offset;
+ tsr->ok = true;
+
+ pr_debug_dtp("lea [%x] address of %s%#x(reg%d) -> reg%d",
+ insn_offset, src->offset < 0 ? "-" : "",
+ abs(src->offset), sreg, dst->reg1);
+
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+ return;
+ }
+
+ /* Invalidate register states for other ops which may change pointers */
+ if (has_reg_type(state, dst->reg1) && !dst->mem_ref &&
+ dwarf_tag(&state->regs[dst->reg1].type) == DW_TAG_pointer_type) {
+ if (!strncmp(dl->ins.name, "imul", 4) || !strncmp(dl->ins.name, "mul", 3) ||
+ !strncmp(dl->ins.name, "idiv", 4) || !strncmp(dl->ins.name, "div", 3) ||
+ !strncmp(dl->ins.name, "shl", 3) || !strncmp(dl->ins.name, "shr", 3) ||
+ !strncmp(dl->ins.name, "sar", 3) || !strncmp(dl->ins.name, "and", 3) ||
+ !strncmp(dl->ins.name, "or", 2) || !strncmp(dl->ins.name, "neg", 3) ||
+ !strncmp(dl->ins.name, "inc", 3) || !strncmp(dl->ins.name, "dec", 3)) {
+ pr_debug_dtp("%s [%x] invalidate reg%d\n",
+ dl->ins.name, insn_offset, dst->reg1);
+ state->regs[dst->reg1].ok = false;
+ state->regs[dst->reg1].copied_from = -1;
+ return;
+ }
+
+ if (!strncmp(dl->ins.name, "xor", 3) && dst->reg1 == src->reg1) {
+ /* xor reg, reg clears the register */
+ pr_debug_dtp("xor [%x] clear reg%d\n",
+ insn_offset, dst->reg1);
+
+ state->regs[dst->reg1].kind = TSR_KIND_CONST;
+ state->regs[dst->reg1].imm_value = 0;
+ state->regs[dst->reg1].ok = true;
+ state->regs[dst->reg1].copied_from = -1;
+ return;
+ }
+ }
+
+ if (strncmp(dl->ins.name, "mov", 3))
+ return;
+
+ if (dloc->fb_cfa) {
+ u64 ip = dloc->ms->sym->start + dl->al.offset;
+ u64 pc = map__rip_2objdump(dloc->ms->map, ip);
+
+ if (die_get_cfa(dloc->di->dbg, pc, &fbreg, &fboff) < 0)
+ fbreg = -1;
+ }
+
+ /* Case 1. register to register or segment:offset to register transfers */
+ if (!src->mem_ref && !dst->mem_ref) {
+ if (!has_reg_type(state, dst->reg1))
+ return;
+
+ tsr = &state->regs[dst->reg1];
+ tsr->copied_from = -1;
+
+ if (dso__kernel(map__dso(dloc->ms->map)) &&
+ src->segment == INSN_SEG_X86_GS && src->imm) {
+ u64 ip = dloc->ms->sym->start + dl->al.offset;
+ u64 var_addr;
+ int offset;
+
+ /*
+ * In kernel, %gs points to a per-cpu region for the
+ * current CPU. Access with a constant offset should
+ * be treated as a global variable access.
+ */
+ var_addr = src->offset;
+
+ if (var_addr == 40) {
+ tsr->kind = TSR_KIND_CANARY;
+ tsr->offset = 0;
+ tsr->ok = true;
+
+ pr_debug_dtp("mov [%x] stack canary -> reg%d\n",
+ insn_offset, dst->reg1);
+ return;
+ }
+
+ if (!get_global_var_type(cu_die, dloc, ip, var_addr,
+ &offset, &type_die) ||
+ !die_get_member_type(&type_die, offset, &type_die)) {
+ tsr->ok = false;
+ return;
+ }
+
+ tsr->type = type_die;
+ tsr->kind = TSR_KIND_TYPE;
+ tsr->offset = 0;
+ tsr->ok = true;
+
+ pr_debug_dtp("mov [%x] this-cpu addr=%#"PRIx64" -> reg%d",
+ insn_offset, var_addr, dst->reg1);
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ return;
+ }
+
+ if (src->imm) {
+ tsr->kind = TSR_KIND_CONST;
+ tsr->imm_value = src->offset;
+ tsr->offset = 0;
+ tsr->ok = true;
+
+ pr_debug_dtp("mov [%x] imm=%#x -> reg%d\n",
+ insn_offset, tsr->imm_value, dst->reg1);
+ return;
+ }
+
+ if (!has_reg_type(state, src->reg1) ||
+ !state->regs[src->reg1].ok) {
+ tsr->ok = false;
+ return;
+ }
+
+ tsr->type = state->regs[src->reg1].type;
+ tsr->kind = state->regs[src->reg1].kind;
+ tsr->imm_value = state->regs[src->reg1].imm_value;
+ tsr->offset = state->regs[src->reg1].offset;
+ tsr->ok = true;
+
+ /* To copy back the variable type later (hopefully) */
+ if (tsr->kind == TSR_KIND_TYPE || tsr->kind == TSR_KIND_POINTER)
+ tsr->copied_from = src->reg1;
+
+ pr_debug_dtp("mov [%x] reg%d -> reg%d",
+ insn_offset, src->reg1, dst->reg1);
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+ /* Case 2. memory to register transers */
+ if (src->mem_ref && !dst->mem_ref) {
+ int sreg = src->reg1;
+
+ if (!has_reg_type(state, dst->reg1))
+ return;
+
+ tsr = &state->regs[dst->reg1];
+ tsr->copied_from = -1;
+
+retry:
+ /* Check stack variables with offset */
+ if (sreg == fbreg || sreg == state->stack_reg) {
+ struct type_state_stack *stack;
+ int offset = src->offset - fboff;
+
+ stack = find_stack_state(state, offset);
+ if (stack == NULL) {
+ tsr->ok = false;
+ return;
+ } else if (!stack->compound) {
+ tsr->type = stack->type;
+ tsr->kind = stack->kind;
+ tsr->offset = stack->ptr_offset;
+ tsr->ok = true;
+ } else if (die_get_member_type(&stack->type,
+ offset - stack->offset,
+ &type_die)) {
+ tsr->type = type_die;
+ tsr->kind = TSR_KIND_TYPE;
+ tsr->offset = 0;
+ tsr->ok = true;
+ } else {
+ tsr->ok = false;
+ return;
+ }
+
+ if (sreg == fbreg) {
+ pr_debug_dtp("mov [%x] -%#x(stack) -> reg%d",
+ insn_offset, -offset, dst->reg1);
+ } else {
+ pr_debug_dtp("mov [%x] %#x(reg%d) -> reg%d",
+ insn_offset, offset, sreg, dst->reg1);
+ }
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+ /* And then dereference the pointer if it has one */
+ else if (has_reg_type(state, sreg) && state->regs[sreg].ok &&
+ state->regs[sreg].kind == TSR_KIND_TYPE &&
+ die_deref_ptr_type(&state->regs[sreg].type,
+ src->offset + state->regs[sreg].offset, &type_die)) {
+ tsr->type = type_die;
+ tsr->kind = TSR_KIND_TYPE;
+ tsr->offset = 0;
+ tsr->ok = true;
+
+ pr_debug_dtp("mov [%x] %#x(reg%d) -> reg%d",
+ insn_offset, src->offset, sreg, dst->reg1);
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+ /* Handle dereference of TSR_KIND_POINTER registers */
+ else if (has_reg_type(state, sreg) && state->regs[sreg].ok &&
+ state->regs[sreg].kind == TSR_KIND_POINTER &&
+ die_get_member_type(&state->regs[sreg].type,
+ src->offset + state->regs[sreg].offset, &type_die)) {
+ tsr->type = state->regs[sreg].type;
+ tsr->kind = TSR_KIND_TYPE;
+ tsr->offset = src->offset + state->regs[sreg].offset;
+ tsr->ok = true;
+
+ pr_debug_dtp("mov [%x] addr %#x(reg%d) -> reg%d",
+ insn_offset, src->offset, sreg, dst->reg1);
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+ /* Or check if it's a global variable */
+ else if (sreg == DWARF_REG_PC) {
+ struct map_symbol *ms = dloc->ms;
+ u64 ip = ms->sym->start + dl->al.offset;
+ u64 addr;
+ int offset;
+
+ addr = annotate_calc_pcrel(ms, ip, src->offset, dl);
+
+ if (!get_global_var_type(cu_die, dloc, ip, addr, &offset,
+ &type_die) ||
+ !die_get_member_type(&type_die, offset, &type_die)) {
+ tsr->ok = false;
+ return;
+ }
+
+ tsr->type = type_die;
+ tsr->kind = TSR_KIND_TYPE;
+ tsr->offset = 0;
+ tsr->ok = true;
+
+ pr_debug_dtp("mov [%x] global addr=%"PRIx64" -> reg%d",
+ insn_offset, addr, dst->reg1);
+ pr_debug_type_name(&type_die, tsr->kind);
+ }
+ /* And check percpu access with base register */
+ else if (has_reg_type(state, sreg) &&
+ state->regs[sreg].kind == TSR_KIND_PERCPU_BASE) {
+ u64 ip = dloc->ms->sym->start + dl->al.offset;
+ u64 var_addr = src->offset;
+ int offset;
+
+ if (src->multi_regs) {
+ int reg2 = (sreg == src->reg1) ? src->reg2 : src->reg1;
+
+ if (has_reg_type(state, reg2) && state->regs[reg2].ok &&
+ state->regs[reg2].kind == TSR_KIND_CONST)
+ var_addr += state->regs[reg2].imm_value;
+ }
+
+ /*
+ * In kernel, %gs points to a per-cpu region for the
+ * current CPU. Access with a constant offset should
+ * be treated as a global variable access.
+ */
+ if (get_global_var_type(cu_die, dloc, ip, var_addr,
+ &offset, &type_die) &&
+ die_get_member_type(&type_die, offset, &type_die)) {
+ tsr->type = type_die;
+ tsr->kind = TSR_KIND_TYPE;
+ tsr->offset = 0;
+ tsr->ok = true;
+
+ if (src->multi_regs) {
+ pr_debug_dtp("mov [%x] percpu %#x(reg%d,reg%d) -> reg%d",
+ insn_offset, src->offset, src->reg1,
+ src->reg2, dst->reg1);
+ } else {
+ pr_debug_dtp("mov [%x] percpu %#x(reg%d) -> reg%d",
+ insn_offset, src->offset, sreg, dst->reg1);
+ }
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ } else {
+ tsr->ok = false;
+ }
+ }
+ /* And then dereference the calculated pointer if it has one */
+ else if (has_reg_type(state, sreg) && state->regs[sreg].ok &&
+ state->regs[sreg].kind == TSR_KIND_PERCPU_POINTER &&
+ die_get_member_type(&state->regs[sreg].type,
+ src->offset, &type_die)) {
+ tsr->type = type_die;
+ tsr->kind = TSR_KIND_TYPE;
+ tsr->offset = 0;
+ tsr->ok = true;
+
+ pr_debug_dtp("mov [%x] pointer %#x(reg%d) -> reg%d",
+ insn_offset, src->offset, sreg, dst->reg1);
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+ /* Or try another register if any */
+ else if (src->multi_regs && sreg == src->reg1 &&
+ src->reg1 != src->reg2) {
+ sreg = src->reg2;
+ goto retry;
+ }
+ else {
+ int offset;
+ const char *var_name = NULL;
+
+ /* it might be per-cpu variable (in kernel) access */
+ if (src->offset < 0) {
+ if (get_global_var_info(dloc, (s64)src->offset,
+ &var_name, &offset) &&
+ !strcmp(var_name, "__per_cpu_offset")) {
+ tsr->kind = TSR_KIND_PERCPU_BASE;
+ tsr->offset = 0;
+ tsr->ok = true;
+
+ pr_debug_dtp("mov [%x] percpu base reg%d\n",
+ insn_offset, dst->reg1);
+ return;
+ }
+ }
+
+ tsr->ok = false;
+ }
+ }
+ /* Case 3. register to memory transfers */
+ if (!src->mem_ref && dst->mem_ref) {
+ if (!has_reg_type(state, src->reg1) ||
+ !state->regs[src->reg1].ok)
+ return;
+
+ /* Check stack variables with offset */
+ if (dst->reg1 == fbreg || dst->reg1 == state->stack_reg) {
+ struct type_state_stack *stack;
+ int offset = dst->offset - fboff;
+
+ tsr = &state->regs[src->reg1];
+
+ stack = find_stack_state(state, offset);
+ if (stack) {
+ /*
+ * The source register is likely to hold a type
+ * of member if it's a compound type. Do not
+ * update the stack variable type since we can
+ * get the member type later by using the
+ * die_get_member_type().
+ */
+ if (!stack->compound)
+ set_stack_state(stack, offset, tsr->kind,
+ &tsr->type, tsr->offset);
+ } else {
+ findnew_stack_state(state, offset, tsr->kind,
+ &tsr->type, tsr->offset);
+ }
+
+ if (dst->reg1 == fbreg) {
+ pr_debug_dtp("mov [%x] reg%d -> -%#x(stack)",
+ insn_offset, src->reg1, -offset);
+ } else {
+ pr_debug_dtp("mov [%x] reg%d -> %#x(reg%d)",
+ insn_offset, src->reg1, offset, dst->reg1);
+ }
+ if (tsr->offset != 0) {
+ pr_debug_dtp(" reg%d offset %#x ->",
+ src->reg1, tsr->offset);
+ }
+
+ pr_debug_type_name(&tsr->type, tsr->kind);
+ }
+ /*
+ * Ignore other transfers since it'd set a value in a struct
+ * and won't change the type.
+ */
+ }
+ /* Case 4. memory to memory transfers (not handled for now) */
+}
+#endif
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_32.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_32.tbl
new file mode 100644
index 000000000000..4877e16da69a
--- /dev/null
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_32.tbl
@@ -0,0 +1,477 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# 32-bit system call numbers and entry vectors
+#
+# The format is:
+# <number> <abi> <name> <entry point> [<compat entry point> [noreturn]]
+#
+# The __ia32_sys and __ia32_compat_sys stubs are created on-the-fly for
+# sys_*() system calls and compat_sys_*() compat system calls if
+# IA32_EMULATION is defined, and expect struct pt_regs *regs as their only
+# parameter.
+#
+# The abi is always "i386" for this file.
+#
+0 i386 restart_syscall sys_restart_syscall
+1 i386 exit sys_exit - noreturn
+2 i386 fork sys_fork
+3 i386 read sys_read
+4 i386 write sys_write
+5 i386 open sys_open compat_sys_open
+6 i386 close sys_close
+7 i386 waitpid sys_waitpid
+8 i386 creat sys_creat
+9 i386 link sys_link
+10 i386 unlink sys_unlink
+11 i386 execve sys_execve compat_sys_execve
+12 i386 chdir sys_chdir
+13 i386 time sys_time32
+14 i386 mknod sys_mknod
+15 i386 chmod sys_chmod
+16 i386 lchown sys_lchown16
+17 i386 break
+18 i386 oldstat sys_stat
+19 i386 lseek sys_lseek compat_sys_lseek
+20 i386 getpid sys_getpid
+21 i386 mount sys_mount
+22 i386 umount sys_oldumount
+23 i386 setuid sys_setuid16
+24 i386 getuid sys_getuid16
+25 i386 stime sys_stime32
+26 i386 ptrace sys_ptrace compat_sys_ptrace
+27 i386 alarm sys_alarm
+28 i386 oldfstat sys_fstat
+29 i386 pause sys_pause
+30 i386 utime sys_utime32
+31 i386 stty
+32 i386 gtty
+33 i386 access sys_access
+34 i386 nice sys_nice
+35 i386 ftime
+36 i386 sync sys_sync
+37 i386 kill sys_kill
+38 i386 rename sys_rename
+39 i386 mkdir sys_mkdir
+40 i386 rmdir sys_rmdir
+41 i386 dup sys_dup
+42 i386 pipe sys_pipe
+43 i386 times sys_times compat_sys_times
+44 i386 prof
+45 i386 brk sys_brk
+46 i386 setgid sys_setgid16
+47 i386 getgid sys_getgid16
+48 i386 signal sys_signal
+49 i386 geteuid sys_geteuid16
+50 i386 getegid sys_getegid16
+51 i386 acct sys_acct
+52 i386 umount2 sys_umount
+53 i386 lock
+54 i386 ioctl sys_ioctl compat_sys_ioctl
+55 i386 fcntl sys_fcntl compat_sys_fcntl64
+56 i386 mpx
+57 i386 setpgid sys_setpgid
+58 i386 ulimit
+59 i386 oldolduname sys_olduname
+60 i386 umask sys_umask
+61 i386 chroot sys_chroot
+62 i386 ustat sys_ustat compat_sys_ustat
+63 i386 dup2 sys_dup2
+64 i386 getppid sys_getppid
+65 i386 getpgrp sys_getpgrp
+66 i386 setsid sys_setsid
+67 i386 sigaction sys_sigaction compat_sys_sigaction
+68 i386 sgetmask sys_sgetmask
+69 i386 ssetmask sys_ssetmask
+70 i386 setreuid sys_setreuid16
+71 i386 setregid sys_setregid16
+72 i386 sigsuspend sys_sigsuspend
+73 i386 sigpending sys_sigpending compat_sys_sigpending
+74 i386 sethostname sys_sethostname
+75 i386 setrlimit sys_setrlimit compat_sys_setrlimit
+76 i386 getrlimit sys_old_getrlimit compat_sys_old_getrlimit
+77 i386 getrusage sys_getrusage compat_sys_getrusage
+78 i386 gettimeofday sys_gettimeofday compat_sys_gettimeofday
+79 i386 settimeofday sys_settimeofday compat_sys_settimeofday
+80 i386 getgroups sys_getgroups16
+81 i386 setgroups sys_setgroups16
+82 i386 select sys_old_select compat_sys_old_select
+83 i386 symlink sys_symlink
+84 i386 oldlstat sys_lstat
+85 i386 readlink sys_readlink
+86 i386 uselib sys_uselib
+87 i386 swapon sys_swapon
+88 i386 reboot sys_reboot
+89 i386 readdir sys_old_readdir compat_sys_old_readdir
+90 i386 mmap sys_old_mmap compat_sys_ia32_mmap
+91 i386 munmap sys_munmap
+92 i386 truncate sys_truncate compat_sys_truncate
+93 i386 ftruncate sys_ftruncate compat_sys_ftruncate
+94 i386 fchmod sys_fchmod
+95 i386 fchown sys_fchown16
+96 i386 getpriority sys_getpriority
+97 i386 setpriority sys_setpriority
+98 i386 profil
+99 i386 statfs sys_statfs compat_sys_statfs
+100 i386 fstatfs sys_fstatfs compat_sys_fstatfs
+101 i386 ioperm sys_ioperm
+102 i386 socketcall sys_socketcall compat_sys_socketcall
+103 i386 syslog sys_syslog
+104 i386 setitimer sys_setitimer compat_sys_setitimer
+105 i386 getitimer sys_getitimer compat_sys_getitimer
+106 i386 stat sys_newstat compat_sys_newstat
+107 i386 lstat sys_newlstat compat_sys_newlstat
+108 i386 fstat sys_newfstat compat_sys_newfstat
+109 i386 olduname sys_uname
+110 i386 iopl sys_iopl
+111 i386 vhangup sys_vhangup
+112 i386 idle
+113 i386 vm86old sys_vm86old sys_ni_syscall
+114 i386 wait4 sys_wait4 compat_sys_wait4
+115 i386 swapoff sys_swapoff
+116 i386 sysinfo sys_sysinfo compat_sys_sysinfo
+117 i386 ipc sys_ipc compat_sys_ipc
+118 i386 fsync sys_fsync
+119 i386 sigreturn sys_sigreturn compat_sys_sigreturn
+120 i386 clone sys_clone compat_sys_ia32_clone
+121 i386 setdomainname sys_setdomainname
+122 i386 uname sys_newuname
+123 i386 modify_ldt sys_modify_ldt
+124 i386 adjtimex sys_adjtimex_time32
+125 i386 mprotect sys_mprotect
+126 i386 sigprocmask sys_sigprocmask compat_sys_sigprocmask
+127 i386 create_module
+128 i386 init_module sys_init_module
+129 i386 delete_module sys_delete_module
+130 i386 get_kernel_syms
+131 i386 quotactl sys_quotactl
+132 i386 getpgid sys_getpgid
+133 i386 fchdir sys_fchdir
+134 i386 bdflush sys_ni_syscall
+135 i386 sysfs sys_sysfs
+136 i386 personality sys_personality
+137 i386 afs_syscall
+138 i386 setfsuid sys_setfsuid16
+139 i386 setfsgid sys_setfsgid16
+140 i386 _llseek sys_llseek
+141 i386 getdents sys_getdents compat_sys_getdents
+142 i386 _newselect sys_select compat_sys_select
+143 i386 flock sys_flock
+144 i386 msync sys_msync
+145 i386 readv sys_readv
+146 i386 writev sys_writev
+147 i386 getsid sys_getsid
+148 i386 fdatasync sys_fdatasync
+149 i386 _sysctl sys_ni_syscall
+150 i386 mlock sys_mlock
+151 i386 munlock sys_munlock
+152 i386 mlockall sys_mlockall
+153 i386 munlockall sys_munlockall
+154 i386 sched_setparam sys_sched_setparam
+155 i386 sched_getparam sys_sched_getparam
+156 i386 sched_setscheduler sys_sched_setscheduler
+157 i386 sched_getscheduler sys_sched_getscheduler
+158 i386 sched_yield sys_sched_yield
+159 i386 sched_get_priority_max sys_sched_get_priority_max
+160 i386 sched_get_priority_min sys_sched_get_priority_min
+161 i386 sched_rr_get_interval sys_sched_rr_get_interval_time32
+162 i386 nanosleep sys_nanosleep_time32
+163 i386 mremap sys_mremap
+164 i386 setresuid sys_setresuid16
+165 i386 getresuid sys_getresuid16
+166 i386 vm86 sys_vm86 sys_ni_syscall
+167 i386 query_module
+168 i386 poll sys_poll
+169 i386 nfsservctl
+170 i386 setresgid sys_setresgid16
+171 i386 getresgid sys_getresgid16
+172 i386 prctl sys_prctl
+173 i386 rt_sigreturn sys_rt_sigreturn compat_sys_rt_sigreturn
+174 i386 rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction
+175 i386 rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask
+176 i386 rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending
+177 i386 rt_sigtimedwait sys_rt_sigtimedwait_time32 compat_sys_rt_sigtimedwait_time32
+178 i386 rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo
+179 i386 rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend
+180 i386 pread64 sys_ia32_pread64
+181 i386 pwrite64 sys_ia32_pwrite64
+182 i386 chown sys_chown16
+183 i386 getcwd sys_getcwd
+184 i386 capget sys_capget
+185 i386 capset sys_capset
+186 i386 sigaltstack sys_sigaltstack compat_sys_sigaltstack
+187 i386 sendfile sys_sendfile compat_sys_sendfile
+188 i386 getpmsg
+189 i386 putpmsg
+190 i386 vfork sys_vfork
+191 i386 ugetrlimit sys_getrlimit compat_sys_getrlimit
+192 i386 mmap2 sys_mmap_pgoff
+193 i386 truncate64 sys_ia32_truncate64
+194 i386 ftruncate64 sys_ia32_ftruncate64
+195 i386 stat64 sys_stat64 compat_sys_ia32_stat64
+196 i386 lstat64 sys_lstat64 compat_sys_ia32_lstat64
+197 i386 fstat64 sys_fstat64 compat_sys_ia32_fstat64
+198 i386 lchown32 sys_lchown
+199 i386 getuid32 sys_getuid
+200 i386 getgid32 sys_getgid
+201 i386 geteuid32 sys_geteuid
+202 i386 getegid32 sys_getegid
+203 i386 setreuid32 sys_setreuid
+204 i386 setregid32 sys_setregid
+205 i386 getgroups32 sys_getgroups
+206 i386 setgroups32 sys_setgroups
+207 i386 fchown32 sys_fchown
+208 i386 setresuid32 sys_setresuid
+209 i386 getresuid32 sys_getresuid
+210 i386 setresgid32 sys_setresgid
+211 i386 getresgid32 sys_getresgid
+212 i386 chown32 sys_chown
+213 i386 setuid32 sys_setuid
+214 i386 setgid32 sys_setgid
+215 i386 setfsuid32 sys_setfsuid
+216 i386 setfsgid32 sys_setfsgid
+217 i386 pivot_root sys_pivot_root
+218 i386 mincore sys_mincore
+219 i386 madvise sys_madvise
+220 i386 getdents64 sys_getdents64
+221 i386 fcntl64 sys_fcntl64 compat_sys_fcntl64
+# 222 is unused
+# 223 is unused
+224 i386 gettid sys_gettid
+225 i386 readahead sys_ia32_readahead
+226 i386 setxattr sys_setxattr
+227 i386 lsetxattr sys_lsetxattr
+228 i386 fsetxattr sys_fsetxattr
+229 i386 getxattr sys_getxattr
+230 i386 lgetxattr sys_lgetxattr
+231 i386 fgetxattr sys_fgetxattr
+232 i386 listxattr sys_listxattr
+233 i386 llistxattr sys_llistxattr
+234 i386 flistxattr sys_flistxattr
+235 i386 removexattr sys_removexattr
+236 i386 lremovexattr sys_lremovexattr
+237 i386 fremovexattr sys_fremovexattr
+238 i386 tkill sys_tkill
+239 i386 sendfile64 sys_sendfile64
+240 i386 futex sys_futex_time32
+241 i386 sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity
+242 i386 sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity
+243 i386 set_thread_area sys_set_thread_area
+244 i386 get_thread_area sys_get_thread_area
+245 i386 io_setup sys_io_setup compat_sys_io_setup
+246 i386 io_destroy sys_io_destroy
+247 i386 io_getevents sys_io_getevents_time32
+248 i386 io_submit sys_io_submit compat_sys_io_submit
+249 i386 io_cancel sys_io_cancel
+250 i386 fadvise64 sys_ia32_fadvise64
+# 251 is available for reuse (was briefly sys_set_zone_reclaim)
+252 i386 exit_group sys_exit_group - noreturn
+253 i386 lookup_dcookie
+254 i386 epoll_create sys_epoll_create
+255 i386 epoll_ctl sys_epoll_ctl
+256 i386 epoll_wait sys_epoll_wait
+257 i386 remap_file_pages sys_remap_file_pages
+258 i386 set_tid_address sys_set_tid_address
+259 i386 timer_create sys_timer_create compat_sys_timer_create
+260 i386 timer_settime sys_timer_settime32
+261 i386 timer_gettime sys_timer_gettime32
+262 i386 timer_getoverrun sys_timer_getoverrun
+263 i386 timer_delete sys_timer_delete
+264 i386 clock_settime sys_clock_settime32
+265 i386 clock_gettime sys_clock_gettime32
+266 i386 clock_getres sys_clock_getres_time32
+267 i386 clock_nanosleep sys_clock_nanosleep_time32
+268 i386 statfs64 sys_statfs64 compat_sys_statfs64
+269 i386 fstatfs64 sys_fstatfs64 compat_sys_fstatfs64
+270 i386 tgkill sys_tgkill
+271 i386 utimes sys_utimes_time32
+272 i386 fadvise64_64 sys_ia32_fadvise64_64
+273 i386 vserver
+274 i386 mbind sys_mbind
+275 i386 get_mempolicy sys_get_mempolicy
+276 i386 set_mempolicy sys_set_mempolicy
+277 i386 mq_open sys_mq_open compat_sys_mq_open
+278 i386 mq_unlink sys_mq_unlink
+279 i386 mq_timedsend sys_mq_timedsend_time32
+280 i386 mq_timedreceive sys_mq_timedreceive_time32
+281 i386 mq_notify sys_mq_notify compat_sys_mq_notify
+282 i386 mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr
+283 i386 kexec_load sys_kexec_load compat_sys_kexec_load
+284 i386 waitid sys_waitid compat_sys_waitid
+# 285 sys_setaltroot
+286 i386 add_key sys_add_key
+287 i386 request_key sys_request_key
+288 i386 keyctl sys_keyctl compat_sys_keyctl
+289 i386 ioprio_set sys_ioprio_set
+290 i386 ioprio_get sys_ioprio_get
+291 i386 inotify_init sys_inotify_init
+292 i386 inotify_add_watch sys_inotify_add_watch
+293 i386 inotify_rm_watch sys_inotify_rm_watch
+294 i386 migrate_pages sys_migrate_pages
+295 i386 openat sys_openat compat_sys_openat
+296 i386 mkdirat sys_mkdirat
+297 i386 mknodat sys_mknodat
+298 i386 fchownat sys_fchownat
+299 i386 futimesat sys_futimesat_time32
+300 i386 fstatat64 sys_fstatat64 compat_sys_ia32_fstatat64
+301 i386 unlinkat sys_unlinkat
+302 i386 renameat sys_renameat
+303 i386 linkat sys_linkat
+304 i386 symlinkat sys_symlinkat
+305 i386 readlinkat sys_readlinkat
+306 i386 fchmodat sys_fchmodat
+307 i386 faccessat sys_faccessat
+308 i386 pselect6 sys_pselect6_time32 compat_sys_pselect6_time32
+309 i386 ppoll sys_ppoll_time32 compat_sys_ppoll_time32
+310 i386 unshare sys_unshare
+311 i386 set_robust_list sys_set_robust_list compat_sys_set_robust_list
+312 i386 get_robust_list sys_get_robust_list compat_sys_get_robust_list
+313 i386 splice sys_splice
+314 i386 sync_file_range sys_ia32_sync_file_range
+315 i386 tee sys_tee
+316 i386 vmsplice sys_vmsplice
+317 i386 move_pages sys_move_pages
+318 i386 getcpu sys_getcpu
+319 i386 epoll_pwait sys_epoll_pwait
+320 i386 utimensat sys_utimensat_time32
+321 i386 signalfd sys_signalfd compat_sys_signalfd
+322 i386 timerfd_create sys_timerfd_create
+323 i386 eventfd sys_eventfd
+324 i386 fallocate sys_ia32_fallocate
+325 i386 timerfd_settime sys_timerfd_settime32
+326 i386 timerfd_gettime sys_timerfd_gettime32
+327 i386 signalfd4 sys_signalfd4 compat_sys_signalfd4
+328 i386 eventfd2 sys_eventfd2
+329 i386 epoll_create1 sys_epoll_create1
+330 i386 dup3 sys_dup3
+331 i386 pipe2 sys_pipe2
+332 i386 inotify_init1 sys_inotify_init1
+333 i386 preadv sys_preadv compat_sys_preadv
+334 i386 pwritev sys_pwritev compat_sys_pwritev
+335 i386 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
+336 i386 perf_event_open sys_perf_event_open
+337 i386 recvmmsg sys_recvmmsg_time32 compat_sys_recvmmsg_time32
+338 i386 fanotify_init sys_fanotify_init
+339 i386 fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark
+340 i386 prlimit64 sys_prlimit64
+341 i386 name_to_handle_at sys_name_to_handle_at
+342 i386 open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
+343 i386 clock_adjtime sys_clock_adjtime32
+344 i386 syncfs sys_syncfs
+345 i386 sendmmsg sys_sendmmsg compat_sys_sendmmsg
+346 i386 setns sys_setns
+347 i386 process_vm_readv sys_process_vm_readv
+348 i386 process_vm_writev sys_process_vm_writev
+349 i386 kcmp sys_kcmp
+350 i386 finit_module sys_finit_module
+351 i386 sched_setattr sys_sched_setattr
+352 i386 sched_getattr sys_sched_getattr
+353 i386 renameat2 sys_renameat2
+354 i386 seccomp sys_seccomp
+355 i386 getrandom sys_getrandom
+356 i386 memfd_create sys_memfd_create
+357 i386 bpf sys_bpf
+358 i386 execveat sys_execveat compat_sys_execveat
+359 i386 socket sys_socket
+360 i386 socketpair sys_socketpair
+361 i386 bind sys_bind
+362 i386 connect sys_connect
+363 i386 listen sys_listen
+364 i386 accept4 sys_accept4
+365 i386 getsockopt sys_getsockopt sys_getsockopt
+366 i386 setsockopt sys_setsockopt sys_setsockopt
+367 i386 getsockname sys_getsockname
+368 i386 getpeername sys_getpeername
+369 i386 sendto sys_sendto
+370 i386 sendmsg sys_sendmsg compat_sys_sendmsg
+371 i386 recvfrom sys_recvfrom compat_sys_recvfrom
+372 i386 recvmsg sys_recvmsg compat_sys_recvmsg
+373 i386 shutdown sys_shutdown
+374 i386 userfaultfd sys_userfaultfd
+375 i386 membarrier sys_membarrier
+376 i386 mlock2 sys_mlock2
+377 i386 copy_file_range sys_copy_file_range
+378 i386 preadv2 sys_preadv2 compat_sys_preadv2
+379 i386 pwritev2 sys_pwritev2 compat_sys_pwritev2
+380 i386 pkey_mprotect sys_pkey_mprotect
+381 i386 pkey_alloc sys_pkey_alloc
+382 i386 pkey_free sys_pkey_free
+383 i386 statx sys_statx
+384 i386 arch_prctl sys_arch_prctl
+385 i386 io_pgetevents sys_io_pgetevents_time32 compat_sys_io_pgetevents
+386 i386 rseq sys_rseq
+393 i386 semget sys_semget
+394 i386 semctl sys_semctl compat_sys_semctl
+395 i386 shmget sys_shmget
+396 i386 shmctl sys_shmctl compat_sys_shmctl
+397 i386 shmat sys_shmat compat_sys_shmat
+398 i386 shmdt sys_shmdt
+399 i386 msgget sys_msgget
+400 i386 msgsnd sys_msgsnd compat_sys_msgsnd
+401 i386 msgrcv sys_msgrcv compat_sys_msgrcv
+402 i386 msgctl sys_msgctl compat_sys_msgctl
+403 i386 clock_gettime64 sys_clock_gettime
+404 i386 clock_settime64 sys_clock_settime
+405 i386 clock_adjtime64 sys_clock_adjtime
+406 i386 clock_getres_time64 sys_clock_getres
+407 i386 clock_nanosleep_time64 sys_clock_nanosleep
+408 i386 timer_gettime64 sys_timer_gettime
+409 i386 timer_settime64 sys_timer_settime
+410 i386 timerfd_gettime64 sys_timerfd_gettime
+411 i386 timerfd_settime64 sys_timerfd_settime
+412 i386 utimensat_time64 sys_utimensat
+413 i386 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64
+414 i386 ppoll_time64 sys_ppoll compat_sys_ppoll_time64
+416 i386 io_pgetevents_time64 sys_io_pgetevents compat_sys_io_pgetevents_time64
+417 i386 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64
+418 i386 mq_timedsend_time64 sys_mq_timedsend
+419 i386 mq_timedreceive_time64 sys_mq_timedreceive
+420 i386 semtimedop_time64 sys_semtimedop
+421 i386 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64
+422 i386 futex_time64 sys_futex
+423 i386 sched_rr_get_interval_time64 sys_sched_rr_get_interval
+424 i386 pidfd_send_signal sys_pidfd_send_signal
+425 i386 io_uring_setup sys_io_uring_setup
+426 i386 io_uring_enter sys_io_uring_enter
+427 i386 io_uring_register sys_io_uring_register
+428 i386 open_tree sys_open_tree
+429 i386 move_mount sys_move_mount
+430 i386 fsopen sys_fsopen
+431 i386 fsconfig sys_fsconfig
+432 i386 fsmount sys_fsmount
+433 i386 fspick sys_fspick
+434 i386 pidfd_open sys_pidfd_open
+435 i386 clone3 sys_clone3
+436 i386 close_range sys_close_range
+437 i386 openat2 sys_openat2
+438 i386 pidfd_getfd sys_pidfd_getfd
+439 i386 faccessat2 sys_faccessat2
+440 i386 process_madvise sys_process_madvise
+441 i386 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
+442 i386 mount_setattr sys_mount_setattr
+443 i386 quotactl_fd sys_quotactl_fd
+444 i386 landlock_create_ruleset sys_landlock_create_ruleset
+445 i386 landlock_add_rule sys_landlock_add_rule
+446 i386 landlock_restrict_self sys_landlock_restrict_self
+447 i386 memfd_secret sys_memfd_secret
+448 i386 process_mrelease sys_process_mrelease
+449 i386 futex_waitv sys_futex_waitv
+450 i386 set_mempolicy_home_node sys_set_mempolicy_home_node
+451 i386 cachestat sys_cachestat
+452 i386 fchmodat2 sys_fchmodat2
+453 i386 map_shadow_stack sys_map_shadow_stack
+454 i386 futex_wake sys_futex_wake
+455 i386 futex_wait sys_futex_wait
+456 i386 futex_requeue sys_futex_requeue
+457 i386 statmount sys_statmount
+458 i386 listmount sys_listmount
+459 i386 lsm_get_self_attr sys_lsm_get_self_attr
+460 i386 lsm_set_self_attr sys_lsm_set_self_attr
+461 i386 lsm_list_modules sys_lsm_list_modules
+462 i386 mseal sys_mseal
+463 i386 setxattrat sys_setxattrat
+464 i386 getxattrat sys_getxattrat
+465 i386 listxattrat sys_listxattrat
+466 i386 removexattrat sys_removexattrat
+467 i386 open_tree_attr sys_open_tree_attr
+468 i386 file_getattr sys_file_getattr
+469 i386 file_setattr sys_file_setattr
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index e93ef0b38db8..ced2a1deecd7 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -1,8 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
#
# 64-bit system call numbers and entry vectors
#
# The format is:
-# <number> <abi> <name> <entry point>
+# <number> <abi> <name> <entry point> [<compat entry point> [noreturn]]
+#
+# The __x64_sys_*() stubs are created on-the-fly for sys_*() system calls
#
# The abi is "common", "64" or "x32" for this file.
#
@@ -21,7 +24,7 @@
12 common brk sys_brk
13 64 rt_sigaction sys_rt_sigaction
14 common rt_sigprocmask sys_rt_sigprocmask
-15 64 rt_sigreturn sys_rt_sigreturn/ptregs
+15 64 rt_sigreturn sys_rt_sigreturn
16 64 ioctl sys_ioctl
17 common pread64 sys_pread64
18 common pwrite64 sys_pwrite64
@@ -62,11 +65,11 @@
53 common socketpair sys_socketpair
54 64 setsockopt sys_setsockopt
55 64 getsockopt sys_getsockopt
-56 common clone sys_clone/ptregs
-57 common fork sys_fork/ptregs
-58 common vfork sys_vfork/ptregs
-59 64 execve sys_execve/ptregs
-60 common exit sys_exit
+56 common clone sys_clone
+57 common fork sys_fork
+58 common vfork sys_vfork
+59 64 execve sys_execve
+60 common exit sys_exit - noreturn
61 common wait4 sys_wait4
62 common kill sys_kill
63 common uname sys_newuname
@@ -162,7 +165,7 @@
153 common vhangup sys_vhangup
154 common modify_ldt sys_modify_ldt
155 common pivot_root sys_pivot_root
-156 64 _sysctl sys_sysctl
+156 64 _sysctl sys_ni_syscall
157 common prctl sys_prctl
158 common arch_prctl sys_arch_prctl
159 common adjtimex sys_adjtimex
@@ -178,7 +181,7 @@
169 common reboot sys_reboot
170 common sethostname sys_sethostname
171 common setdomainname sys_setdomainname
-172 common iopl sys_iopl/ptregs
+172 common iopl sys_iopl
173 common ioperm sys_ioperm
174 64 create_module
175 common init_module sys_init_module
@@ -218,7 +221,7 @@
209 64 io_submit sys_io_submit
210 common io_cancel sys_io_cancel
211 64 get_thread_area
-212 common lookup_dcookie sys_lookup_dcookie
+212 common lookup_dcookie
213 common epoll_create sys_epoll_create
214 64 epoll_ctl_old
215 64 epoll_wait_old
@@ -237,7 +240,7 @@
228 common clock_gettime sys_clock_gettime
229 common clock_getres sys_clock_getres
230 common clock_nanosleep sys_clock_nanosleep
-231 common exit_group sys_exit_group
+231 common exit_group sys_exit_group - noreturn
232 common epoll_wait sys_epoll_wait
233 common epoll_ctl sys_epoll_ctl
234 common tgkill sys_tgkill
@@ -328,7 +331,7 @@
319 common memfd_create sys_memfd_create
320 common kexec_file_load sys_kexec_file_load
321 common bpf sys_bpf
-322 64 execveat sys_execveat/ptregs
+322 64 execveat sys_execveat
323 common userfaultfd sys_userfaultfd
324 common membarrier sys_membarrier
325 common mlock2 sys_mlock2
@@ -338,23 +341,78 @@
329 common pkey_mprotect sys_pkey_mprotect
330 common pkey_alloc sys_pkey_alloc
331 common pkey_free sys_pkey_free
+332 common statx sys_statx
+333 common io_pgetevents sys_io_pgetevents
+334 common rseq sys_rseq
+335 common uretprobe sys_uretprobe
+336 common uprobe sys_uprobe
+# don't use numbers 387 through 423, add new calls after the last
+# 'common' entry
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register
+428 common open_tree sys_open_tree
+429 common move_mount sys_move_mount
+430 common fsopen sys_fsopen
+431 common fsconfig sys_fsconfig
+432 common fsmount sys_fsmount
+433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
+435 common clone3 sys_clone3
+436 common close_range sys_close_range
+437 common openat2 sys_openat2
+438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
+440 common process_madvise sys_process_madvise
+441 common epoll_pwait2 sys_epoll_pwait2
+442 common mount_setattr sys_mount_setattr
+443 common quotactl_fd sys_quotactl_fd
+444 common landlock_create_ruleset sys_landlock_create_ruleset
+445 common landlock_add_rule sys_landlock_add_rule
+446 common landlock_restrict_self sys_landlock_restrict_self
+447 common memfd_secret sys_memfd_secret
+448 common process_mrelease sys_process_mrelease
+449 common futex_waitv sys_futex_waitv
+450 common set_mempolicy_home_node sys_set_mempolicy_home_node
+451 common cachestat sys_cachestat
+452 common fchmodat2 sys_fchmodat2
+453 common map_shadow_stack sys_map_shadow_stack
+454 common futex_wake sys_futex_wake
+455 common futex_wait sys_futex_wait
+456 common futex_requeue sys_futex_requeue
+457 common statmount sys_statmount
+458 common listmount sys_listmount
+459 common lsm_get_self_attr sys_lsm_get_self_attr
+460 common lsm_set_self_attr sys_lsm_set_self_attr
+461 common lsm_list_modules sys_lsm_list_modules
+462 common mseal sys_mseal
+463 common setxattrat sys_setxattrat
+464 common getxattrat sys_getxattrat
+465 common listxattrat sys_listxattrat
+466 common removexattrat sys_removexattrat
+467 common open_tree_attr sys_open_tree_attr
+468 common file_getattr sys_file_getattr
+469 common file_setattr sys_file_setattr
#
-# x32-specific system call numbers start at 512 to avoid cache impact
-# for native 64-bit operation.
+# Due to a historical design error, certain syscalls are numbered differently
+# in x32 as compared to native x86_64. These syscalls have numbers 512-547.
+# Do not add new syscalls to this range. Numbers 548 and above are available
+# for non-x32 use.
#
512 x32 rt_sigaction compat_sys_rt_sigaction
-513 x32 rt_sigreturn sys32_x32_rt_sigreturn
+513 x32 rt_sigreturn compat_sys_x32_rt_sigreturn
514 x32 ioctl compat_sys_ioctl
-515 x32 readv compat_sys_readv
-516 x32 writev compat_sys_writev
+515 x32 readv sys_readv
+516 x32 writev sys_writev
517 x32 recvfrom compat_sys_recvfrom
518 x32 sendmsg compat_sys_sendmsg
519 x32 recvmsg compat_sys_recvmsg
-520 x32 execve compat_sys_execve/ptregs
+520 x32 execve compat_sys_execve
521 x32 ptrace compat_sys_ptrace
522 x32 rt_sigpending compat_sys_rt_sigpending
-523 x32 rt_sigtimedwait compat_sys_rt_sigtimedwait
+523 x32 rt_sigtimedwait compat_sys_rt_sigtimedwait_time64
524 x32 rt_sigqueueinfo compat_sys_rt_sigqueueinfo
525 x32 sigaltstack compat_sys_sigaltstack
526 x32 timer_create compat_sys_timer_create
@@ -363,19 +421,21 @@
529 x32 waitid compat_sys_waitid
530 x32 set_robust_list compat_sys_set_robust_list
531 x32 get_robust_list compat_sys_get_robust_list
-532 x32 vmsplice compat_sys_vmsplice
-533 x32 move_pages compat_sys_move_pages
+532 x32 vmsplice sys_vmsplice
+533 x32 move_pages sys_move_pages
534 x32 preadv compat_sys_preadv64
535 x32 pwritev compat_sys_pwritev64
536 x32 rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
-537 x32 recvmmsg compat_sys_recvmmsg
+537 x32 recvmmsg compat_sys_recvmmsg_time64
538 x32 sendmmsg compat_sys_sendmmsg
-539 x32 process_vm_readv compat_sys_process_vm_readv
-540 x32 process_vm_writev compat_sys_process_vm_writev
-541 x32 setsockopt compat_sys_setsockopt
-542 x32 getsockopt compat_sys_getsockopt
+539 x32 process_vm_readv sys_process_vm_readv
+540 x32 process_vm_writev sys_process_vm_writev
+541 x32 setsockopt sys_setsockopt
+542 x32 getsockopt sys_getsockopt
543 x32 io_setup compat_sys_io_setup
544 x32 io_submit compat_sys_io_submit
-545 x32 execveat compat_sys_execveat/ptregs
+545 x32 execveat compat_sys_execveat
546 x32 preadv2 compat_sys_preadv64v2
547 x32 pwritev2 compat_sys_pwritev64v2
+# This is the end of the legacy x32 range. Numbers 548 and above are
+# not special and are not to be used for x32-specific syscalls.
diff --git a/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh b/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh
deleted file mode 100755
index 49a18b9ad9cf..000000000000
--- a/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/bin/sh
-
-in="$1"
-arch="$2"
-
-syscall_macro() {
- nr="$1"
- name="$2"
-
- echo " [$nr] = \"$name\","
-}
-
-emit() {
- nr="$1"
- entry="$2"
-
- syscall_macro "$nr" "$entry"
-}
-
-echo "static const char *syscalltbl_${arch}[] = {"
-
-sorted_table=$(mktemp /tmp/syscalltbl.XXXXXX)
-grep '^[0-9]' "$in" | sort -n > $sorted_table
-
-max_nr=0
-while read nr abi name entry compat; do
- if [ $nr -ge 512 ] ; then # discard compat sycalls
- break
- fi
-
- emit "$nr" "$name"
- max_nr=$nr
-done < $sorted_table
-
-rm -f $sorted_table
-
-echo "};"
-
-echo "#define SYSCALLTBL_${arch}_MAX_ID ${max_nr}"
diff --git a/tools/perf/arch/x86/include/arch-tests.h b/tools/perf/arch/x86/include/arch-tests.h
index b48de2f5813c..7d65b9e51840 100644
--- a/tools/perf/arch/x86/include/arch-tests.h
+++ b/tools/perf/arch/x86/include/arch-tests.h
@@ -1,19 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_TESTS_H
#define ARCH_TESTS_H
-/* Tests */
-int test__rdpmc(int subtest);
-int test__perf_time_to_tsc(int subtest);
-int test__insn_x86(int subtest);
-int test__intel_cqm_count_nmi_context(int subtest);
+#include "tests/tests.h"
+
+struct test_suite;
-#ifdef HAVE_DWARF_UNWIND_SUPPORT
-struct thread;
-struct perf_sample;
-int test__arch_unwind_sample(struct perf_sample *sample,
- struct thread *thread);
+/* Tests */
+int test__rdpmc(struct test_suite *test, int subtest);
+#ifdef HAVE_EXTRA_TESTS
+int test__insn_x86(struct test_suite *test, int subtest);
#endif
+int test__intel_pt_pkt_decoder(struct test_suite *test, int subtest);
+int test__intel_pt_hybrid_compat(struct test_suite *test, int subtest);
+int test__bp_modify(struct test_suite *test, int subtest);
+int test__amd_ibs_via_core_pmu(struct test_suite *test, int subtest);
+int test__amd_ibs_period(struct test_suite *test, int subtest);
+int test__hybrid(struct test_suite *test, int subtest);
+
+DECLARE_SUITE(x86_topdown);
-extern struct test arch_tests[];
+extern struct test_suite *arch_tests[];
#endif
diff --git a/tools/perf/arch/x86/include/dwarf-regs-table.h b/tools/perf/arch/x86/include/dwarf-regs-table.h
index 9b5e5cbb4209..b9bd5dc9d4c0 100644
--- a/tools/perf/arch/x86/include/dwarf-regs-table.h
+++ b/tools/perf/arch/x86/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef DEFINE_DWARF_REGSTR_TABLE
/* This is included in perf/util/dwarf-regs.c */
diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h
index 7df517acfef8..f209ce2c1dd9 100644
--- a/tools/perf/arch/x86/include/perf_regs.h
+++ b/tools/perf/arch/x86/include/perf_regs.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_PERF_REGS_H
#define ARCH_PERF_REGS_H
@@ -7,9 +8,9 @@
void perf_regs_load(u64 *regs);
+#define PERF_REGS_MAX PERF_REG_X86_XMM_MAX
#ifndef HAVE_ARCH_X86_64_SUPPORT
#define PERF_REGS_MASK ((1ULL << PERF_REG_X86_32_MAX) - 1)
-#define PERF_REGS_MAX PERF_REG_X86_32_MAX
#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32
#else
#define REG_NOSUPPORT ((1ULL << PERF_REG_X86_DS) | \
@@ -17,70 +18,7 @@ void perf_regs_load(u64 *regs);
(1ULL << PERF_REG_X86_FS) | \
(1ULL << PERF_REG_X86_GS))
#define PERF_REGS_MASK (((1ULL << PERF_REG_X86_64_MAX) - 1) & ~REG_NOSUPPORT)
-#define PERF_REGS_MAX PERF_REG_X86_64_MAX
#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_64
#endif
-#define PERF_REG_IP PERF_REG_X86_IP
-#define PERF_REG_SP PERF_REG_X86_SP
-
-static inline const char *perf_reg_name(int id)
-{
- switch (id) {
- case PERF_REG_X86_AX:
- return "AX";
- case PERF_REG_X86_BX:
- return "BX";
- case PERF_REG_X86_CX:
- return "CX";
- case PERF_REG_X86_DX:
- return "DX";
- case PERF_REG_X86_SI:
- return "SI";
- case PERF_REG_X86_DI:
- return "DI";
- case PERF_REG_X86_BP:
- return "BP";
- case PERF_REG_X86_SP:
- return "SP";
- case PERF_REG_X86_IP:
- return "IP";
- case PERF_REG_X86_FLAGS:
- return "FLAGS";
- case PERF_REG_X86_CS:
- return "CS";
- case PERF_REG_X86_SS:
- return "SS";
- case PERF_REG_X86_DS:
- return "DS";
- case PERF_REG_X86_ES:
- return "ES";
- case PERF_REG_X86_FS:
- return "FS";
- case PERF_REG_X86_GS:
- return "GS";
-#ifdef HAVE_ARCH_X86_64_SUPPORT
- case PERF_REG_X86_R8:
- return "R8";
- case PERF_REG_X86_R9:
- return "R9";
- case PERF_REG_X86_R10:
- return "R10";
- case PERF_REG_X86_R11:
- return "R11";
- case PERF_REG_X86_R12:
- return "R12";
- case PERF_REG_X86_R13:
- return "R13";
- case PERF_REG_X86_R14:
- return "R14";
- case PERF_REG_X86_R15:
- return "R15";
-#endif /* HAVE_ARCH_X86_64_SUPPORT */
- default:
- return NULL;
- }
-
- return NULL;
-}
#endif /* ARCH_PERF_REGS_H */
diff --git a/tools/perf/arch/x86/tests/Build b/tools/perf/arch/x86/tests/Build
index cbb7e978166b..b017d1ca6e3c 100644
--- a/tools/perf/arch/x86/tests/Build
+++ b/tools/perf/arch/x86/tests/Build
@@ -1,8 +1,27 @@
-libperf-$(CONFIG_DWARF_UNWIND) += regs_load.o
-libperf-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o
-
-libperf-y += arch-tests.o
-libperf-y += rdpmc.o
-libperf-y += perf-time-to-tsc.o
-libperf-$(CONFIG_AUXTRACE) += insn-x86.o
-libperf-y += intel-cqm.o
+perf-test-$(CONFIG_DWARF_UNWIND) += regs_load.o
+perf-test-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o
+
+perf-test-y += arch-tests.o
+perf-test-y += hybrid.o
+perf-test-y += intel-pt-test.o
+ifeq ($(CONFIG_EXTRA_TESTS),y)
+perf-test-y += insn-x86.o
+endif
+perf-test-$(CONFIG_X86_64) += bp-modify.o
+perf-test-y += amd-ibs-via-core-pmu.o
+perf-test-y += amd-ibs-period.o
+perf-test-y += topdown.o
+
+ifdef SHELLCHECK
+ SHELL_TESTS := gen-insn-x86-dat.sh
+ SHELL_TEST_LOGS := $(SHELL_TESTS:%=%.shellcheck_log)
+else
+ SHELL_TESTS :=
+ SHELL_TEST_LOGS :=
+endif
+
+$(OUTPUT)%.shellcheck_log: %
+ $(call rule_mkdir)
+ $(Q)$(call echo-cmd,test)$(SHELLCHECK) "$<" > $@ || (cat $@ && rm $@ && false)
+
+perf-test-y += $(SHELL_TEST_LOGS)
diff --git a/tools/perf/arch/x86/tests/amd-ibs-period.c b/tools/perf/arch/x86/tests/amd-ibs-period.c
new file mode 100644
index 000000000000..223e059e04de
--- /dev/null
+++ b/tools/perf/arch/x86/tests/amd-ibs-period.c
@@ -0,0 +1,1032 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <sched.h>
+#include <sys/syscall.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <sys/utsname.h>
+#include <string.h>
+
+#include "arch-tests.h"
+#include "linux/perf_event.h"
+#include "linux/zalloc.h"
+#include "tests/tests.h"
+#include "../perf-sys.h"
+#include "pmu.h"
+#include "pmus.h"
+#include "debug.h"
+#include "util.h"
+#include "strbuf.h"
+#include "../util/env.h"
+
+static int page_size;
+
+#define PERF_MMAP_DATA_PAGES 32L
+#define PERF_MMAP_DATA_SIZE (PERF_MMAP_DATA_PAGES * page_size)
+#define PERF_MMAP_DATA_MASK (PERF_MMAP_DATA_SIZE - 1)
+#define PERF_MMAP_TOTAL_PAGES (PERF_MMAP_DATA_PAGES + 1)
+#define PERF_MMAP_TOTAL_SIZE (PERF_MMAP_TOTAL_PAGES * page_size)
+
+#define rmb() asm volatile("lfence":::"memory")
+
+enum {
+ FD_ERROR,
+ FD_SUCCESS,
+};
+
+enum {
+ IBS_FETCH,
+ IBS_OP,
+};
+
+struct perf_pmu *fetch_pmu;
+struct perf_pmu *op_pmu;
+unsigned int perf_event_max_sample_rate;
+
+/* Dummy workload to generate IBS samples. */
+static int dummy_workload_1(unsigned long count)
+{
+ int (*func)(void);
+ int ret = 0;
+ char *p;
+ char insn1[] = {
+ 0xb8, 0x01, 0x00, 0x00, 0x00, /* mov 1,%eax */
+ 0xc3, /* ret */
+ 0xcc, /* int 3 */
+ };
+
+ char insn2[] = {
+ 0xb8, 0x02, 0x00, 0x00, 0x00, /* mov 2,%eax */
+ 0xc3, /* ret */
+ 0xcc, /* int 3 */
+ };
+
+ p = zalloc(2 * page_size);
+ if (!p) {
+ printf("malloc() failed. %m");
+ return 1;
+ }
+
+ func = (void *)((unsigned long)(p + page_size - 1) & ~(page_size - 1));
+
+ ret = mprotect(func, page_size, PROT_READ | PROT_WRITE | PROT_EXEC);
+ if (ret) {
+ printf("mprotect() failed. %m");
+ goto out;
+ }
+
+ if (count < 100000)
+ count = 100000;
+ else if (count > 10000000)
+ count = 10000000;
+ while (count--) {
+ memcpy((void *)func, insn1, sizeof(insn1));
+ if (func() != 1) {
+ pr_debug("ERROR insn1\n");
+ ret = -1;
+ goto out;
+ }
+ memcpy((void *)func, insn2, sizeof(insn2));
+ if (func() != 2) {
+ pr_debug("ERROR insn2\n");
+ ret = -1;
+ goto out;
+ }
+ }
+
+out:
+ free(p);
+ return ret;
+}
+
+/* Another dummy workload to generate IBS samples. */
+static void dummy_workload_2(char *perf)
+{
+ char bench[] = " bench sched messaging -g 10 -l 5000 > /dev/null 2>&1";
+ char taskset[] = "taskset -c 0 ";
+ int ret __maybe_unused;
+ struct strbuf sb;
+ char *cmd;
+
+ strbuf_init(&sb, 0);
+ strbuf_add(&sb, taskset, strlen(taskset));
+ strbuf_add(&sb, perf, strlen(perf));
+ strbuf_add(&sb, bench, strlen(bench));
+ cmd = strbuf_detach(&sb, NULL);
+ ret = system(cmd);
+ free(cmd);
+}
+
+static int sched_affine(int cpu)
+{
+ cpu_set_t set;
+
+ CPU_ZERO(&set);
+ CPU_SET(cpu, &set);
+ if (sched_setaffinity(getpid(), sizeof(set), &set) == -1) {
+ pr_debug("sched_setaffinity() failed. [%m]");
+ return -1;
+ }
+ return 0;
+}
+
+static void
+copy_sample_data(void *src, unsigned long offset, void *dest, size_t size)
+{
+ size_t chunk1_size, chunk2_size;
+
+ if ((offset + size) < (size_t)PERF_MMAP_DATA_SIZE) {
+ memcpy(dest, src + offset, size);
+ } else {
+ chunk1_size = PERF_MMAP_DATA_SIZE - offset;
+ chunk2_size = size - chunk1_size;
+
+ memcpy(dest, src + offset, chunk1_size);
+ memcpy(dest + chunk1_size, src, chunk2_size);
+ }
+}
+
+static int rb_read(struct perf_event_mmap_page *rb, void *dest, size_t size)
+{
+ void *base;
+ unsigned long data_tail, data_head;
+
+ /* Casting to (void *) is needed. */
+ base = (void *)rb + page_size;
+
+ data_head = rb->data_head;
+ rmb();
+ data_tail = rb->data_tail;
+
+ if ((data_head - data_tail) < size)
+ return -1;
+
+ data_tail &= PERF_MMAP_DATA_MASK;
+ copy_sample_data(base, data_tail, dest, size);
+ rb->data_tail += size;
+ return 0;
+}
+
+static void rb_skip(struct perf_event_mmap_page *rb, size_t size)
+{
+ size_t data_head = rb->data_head;
+
+ rmb();
+
+ if ((rb->data_tail + size) > data_head)
+ rb->data_tail = data_head;
+ else
+ rb->data_tail += size;
+}
+
+/* Sample period value taken from perf sample must match with expected value. */
+static int period_equal(unsigned long exp_period, unsigned long act_period)
+{
+ return exp_period == act_period ? 0 : -1;
+}
+
+/*
+ * Sample period value taken from perf sample must be >= minimum sample period
+ * supported by IBS HW.
+ */
+static int period_higher(unsigned long min_period, unsigned long act_period)
+{
+ return min_period <= act_period ? 0 : -1;
+}
+
+static int rb_drain_samples(struct perf_event_mmap_page *rb,
+ unsigned long exp_period,
+ int *nr_samples,
+ int (*callback)(unsigned long, unsigned long))
+{
+ struct perf_event_header hdr;
+ unsigned long period;
+ int ret = 0;
+
+ /*
+ * PERF_RECORD_SAMPLE:
+ * struct {
+ * struct perf_event_header hdr;
+ * { u64 period; } && PERF_SAMPLE_PERIOD
+ * };
+ */
+ while (1) {
+ if (rb_read(rb, &hdr, sizeof(hdr)))
+ return ret;
+
+ if (hdr.type == PERF_RECORD_SAMPLE) {
+ (*nr_samples)++;
+ period = 0;
+ if (rb_read(rb, &period, sizeof(period)))
+ pr_debug("rb_read(period) error. [%m]");
+ ret |= callback(exp_period, period);
+ } else {
+ rb_skip(rb, hdr.size - sizeof(hdr));
+ }
+ }
+ return ret;
+}
+
+static long perf_event_open(struct perf_event_attr *attr, pid_t pid,
+ int cpu, int group_fd, unsigned long flags)
+{
+ return syscall(__NR_perf_event_open, attr, pid, cpu, group_fd, flags);
+}
+
+static void fetch_prepare_attr(struct perf_event_attr *attr,
+ unsigned long long config, int freq,
+ unsigned long sample_period)
+{
+ memset(attr, 0, sizeof(struct perf_event_attr));
+
+ attr->type = fetch_pmu->type;
+ attr->size = sizeof(struct perf_event_attr);
+ attr->config = config;
+ attr->disabled = 1;
+ attr->sample_type = PERF_SAMPLE_PERIOD;
+ attr->freq = freq;
+ attr->sample_period = sample_period; /* = ->sample_freq */
+}
+
+static void op_prepare_attr(struct perf_event_attr *attr,
+ unsigned long config, int freq,
+ unsigned long sample_period)
+{
+ memset(attr, 0, sizeof(struct perf_event_attr));
+
+ attr->type = op_pmu->type;
+ attr->size = sizeof(struct perf_event_attr);
+ attr->config = config;
+ attr->disabled = 1;
+ attr->sample_type = PERF_SAMPLE_PERIOD;
+ attr->freq = freq;
+ attr->sample_period = sample_period; /* = ->sample_freq */
+}
+
+struct ibs_configs {
+ /* Input */
+ unsigned long config;
+
+ /* Expected output */
+ unsigned long period;
+ int fd;
+};
+
+/*
+ * Somehow first Fetch event with sample period = 0x10 causes 0
+ * samples. So start with large period and decrease it gradually.
+ */
+struct ibs_configs fetch_configs[] = {
+ { .config = 0xffff, .period = 0xffff0, .fd = FD_SUCCESS },
+ { .config = 0x1000, .period = 0x10000, .fd = FD_SUCCESS },
+ { .config = 0xff, .period = 0xff0, .fd = FD_SUCCESS },
+ { .config = 0x1, .period = 0x10, .fd = FD_SUCCESS },
+ { .config = 0x0, .period = -1, .fd = FD_ERROR },
+ { .config = 0x10000, .period = -1, .fd = FD_ERROR },
+};
+
+struct ibs_configs op_configs[] = {
+ { .config = 0x0, .period = -1, .fd = FD_ERROR },
+ { .config = 0x1, .period = -1, .fd = FD_ERROR },
+ { .config = 0x8, .period = -1, .fd = FD_ERROR },
+ { .config = 0x9, .period = 0x90, .fd = FD_SUCCESS },
+ { .config = 0xf, .period = 0xf0, .fd = FD_SUCCESS },
+ { .config = 0x1000, .period = 0x10000, .fd = FD_SUCCESS },
+ { .config = 0xffff, .period = 0xffff0, .fd = FD_SUCCESS },
+ { .config = 0x10000, .period = -1, .fd = FD_ERROR },
+ { .config = 0x100000, .period = 0x100000, .fd = FD_SUCCESS },
+ { .config = 0xf00000, .period = 0xf00000, .fd = FD_SUCCESS },
+ { .config = 0xf0ffff, .period = 0xfffff0, .fd = FD_SUCCESS },
+ { .config = 0x1f0ffff, .period = 0x1fffff0, .fd = FD_SUCCESS },
+ { .config = 0x7f0ffff, .period = 0x7fffff0, .fd = FD_SUCCESS },
+ { .config = 0x8f0ffff, .period = -1, .fd = FD_ERROR },
+ { .config = 0x17f0ffff, .period = -1, .fd = FD_ERROR },
+};
+
+static int __ibs_config_test(int ibs_type, struct ibs_configs *config, int *nr_samples)
+{
+ struct perf_event_attr attr;
+ int fd, i;
+ void *rb;
+ int ret = 0;
+
+ if (ibs_type == IBS_FETCH)
+ fetch_prepare_attr(&attr, config->config, 0, 0);
+ else
+ op_prepare_attr(&attr, config->config, 0, 0);
+
+ /* CPU0, All processes */
+ fd = perf_event_open(&attr, -1, 0, -1, 0);
+ if (config->fd == FD_ERROR) {
+ if (fd != -1) {
+ close(fd);
+ return -1;
+ }
+ return 0;
+ }
+ if (fd <= -1)
+ return -1;
+
+ rb = mmap(NULL, PERF_MMAP_TOTAL_SIZE, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, 0);
+ if (rb == MAP_FAILED) {
+ pr_debug("mmap() failed. [%m]\n");
+ return -1;
+ }
+
+ ioctl(fd, PERF_EVENT_IOC_RESET, 0);
+ ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);
+
+ i = 5;
+ while (i--) {
+ dummy_workload_1(1000000);
+
+ ret = rb_drain_samples(rb, config->period, nr_samples,
+ period_equal);
+ if (ret)
+ break;
+ }
+
+ ioctl(fd, PERF_EVENT_IOC_DISABLE, 0);
+ munmap(rb, PERF_MMAP_TOTAL_SIZE);
+ close(fd);
+ return ret;
+}
+
+static int ibs_config_test(void)
+{
+ int nr_samples = 0;
+ unsigned long i;
+ int ret = 0;
+ int r;
+
+ pr_debug("\nIBS config tests:\n");
+ pr_debug("-----------------\n");
+
+ pr_debug("Fetch PMU tests:\n");
+ for (i = 0; i < ARRAY_SIZE(fetch_configs); i++) {
+ nr_samples = 0;
+ r = __ibs_config_test(IBS_FETCH, &(fetch_configs[i]), &nr_samples);
+
+ if (fetch_configs[i].fd == FD_ERROR) {
+ pr_debug("0x%-16lx: %-4s\n", fetch_configs[i].config,
+ !r ? "Ok" : "Fail");
+ } else {
+ /*
+ * Although nr_samples == 0 is reported as Fail here,
+ * the failure status is not cascaded up because, we
+ * can not decide whether test really failed or not
+ * without actual samples.
+ */
+ pr_debug("0x%-16lx: %-4s (nr samples: %d)\n", fetch_configs[i].config,
+ (!r && nr_samples != 0) ? "Ok" : "Fail", nr_samples);
+ }
+
+ ret |= r;
+ }
+
+ pr_debug("Op PMU tests:\n");
+ for (i = 0; i < ARRAY_SIZE(op_configs); i++) {
+ nr_samples = 0;
+ r = __ibs_config_test(IBS_OP, &(op_configs[i]), &nr_samples);
+
+ if (op_configs[i].fd == FD_ERROR) {
+ pr_debug("0x%-16lx: %-4s\n", op_configs[i].config,
+ !r ? "Ok" : "Fail");
+ } else {
+ /*
+ * Although nr_samples == 0 is reported as Fail here,
+ * the failure status is not cascaded up because, we
+ * can not decide whether test really failed or not
+ * without actual samples.
+ */
+ pr_debug("0x%-16lx: %-4s (nr samples: %d)\n", op_configs[i].config,
+ (!r && nr_samples != 0) ? "Ok" : "Fail", nr_samples);
+ }
+
+ ret |= r;
+ }
+
+ return ret;
+}
+
+struct ibs_period {
+ /* Input */
+ int freq;
+ unsigned long sample_freq;
+
+ /* Output */
+ int ret;
+ unsigned long period;
+};
+
+struct ibs_period fetch_period[] = {
+ { .freq = 0, .sample_freq = 0, .ret = FD_ERROR, .period = -1 },
+ { .freq = 0, .sample_freq = 1, .ret = FD_ERROR, .period = -1 },
+ { .freq = 0, .sample_freq = 0xf, .ret = FD_ERROR, .period = -1 },
+ { .freq = 0, .sample_freq = 0x10, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 0, .sample_freq = 0x11, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 0, .sample_freq = 0x8f, .ret = FD_SUCCESS, .period = 0x80 },
+ { .freq = 0, .sample_freq = 0x90, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 0, .sample_freq = 0x91, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 0, .sample_freq = 0x4d2, .ret = FD_SUCCESS, .period = 0x4d0 },
+ { .freq = 0, .sample_freq = 0x1007, .ret = FD_SUCCESS, .period = 0x1000 },
+ { .freq = 0, .sample_freq = 0xfff0, .ret = FD_SUCCESS, .period = 0xfff0 },
+ { .freq = 0, .sample_freq = 0xffff, .ret = FD_SUCCESS, .period = 0xfff0 },
+ { .freq = 0, .sample_freq = 0x10010, .ret = FD_SUCCESS, .period = 0x10010 },
+ { .freq = 0, .sample_freq = 0x7fffff, .ret = FD_SUCCESS, .period = 0x7ffff0 },
+ { .freq = 0, .sample_freq = 0xfffffff, .ret = FD_SUCCESS, .period = 0xffffff0 },
+ { .freq = 1, .sample_freq = 0, .ret = FD_ERROR, .period = -1 },
+ { .freq = 1, .sample_freq = 1, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0xf, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0x10, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0x11, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0x8f, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0x90, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0x91, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0x4d2, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0x1007, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0xfff0, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0xffff, .ret = FD_SUCCESS, .period = 0x10 },
+ { .freq = 1, .sample_freq = 0x10010, .ret = FD_SUCCESS, .period = 0x10 },
+ /* ret=FD_ERROR because freq > default perf_event_max_sample_rate (100000) */
+ { .freq = 1, .sample_freq = 0x7fffff, .ret = FD_ERROR, .period = -1 },
+};
+
+struct ibs_period op_period[] = {
+ { .freq = 0, .sample_freq = 0, .ret = FD_ERROR, .period = -1 },
+ { .freq = 0, .sample_freq = 1, .ret = FD_ERROR, .period = -1 },
+ { .freq = 0, .sample_freq = 0xf, .ret = FD_ERROR, .period = -1 },
+ { .freq = 0, .sample_freq = 0x10, .ret = FD_ERROR, .period = -1 },
+ { .freq = 0, .sample_freq = 0x11, .ret = FD_ERROR, .period = -1 },
+ { .freq = 0, .sample_freq = 0x8f, .ret = FD_ERROR, .period = -1 },
+ { .freq = 0, .sample_freq = 0x90, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 0, .sample_freq = 0x91, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 0, .sample_freq = 0x4d2, .ret = FD_SUCCESS, .period = 0x4d0 },
+ { .freq = 0, .sample_freq = 0x1007, .ret = FD_SUCCESS, .period = 0x1000 },
+ { .freq = 0, .sample_freq = 0xfff0, .ret = FD_SUCCESS, .period = 0xfff0 },
+ { .freq = 0, .sample_freq = 0xffff, .ret = FD_SUCCESS, .period = 0xfff0 },
+ { .freq = 0, .sample_freq = 0x10010, .ret = FD_SUCCESS, .period = 0x10010 },
+ { .freq = 0, .sample_freq = 0x7fffff, .ret = FD_SUCCESS, .period = 0x7ffff0 },
+ { .freq = 0, .sample_freq = 0xfffffff, .ret = FD_SUCCESS, .period = 0xffffff0 },
+ { .freq = 1, .sample_freq = 0, .ret = FD_ERROR, .period = -1 },
+ { .freq = 1, .sample_freq = 1, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0xf, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0x10, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0x11, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0x8f, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0x90, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0x91, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0x4d2, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0x1007, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0xfff0, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0xffff, .ret = FD_SUCCESS, .period = 0x90 },
+ { .freq = 1, .sample_freq = 0x10010, .ret = FD_SUCCESS, .period = 0x90 },
+ /* ret=FD_ERROR because freq > default perf_event_max_sample_rate (100000) */
+ { .freq = 1, .sample_freq = 0x7fffff, .ret = FD_ERROR, .period = -1 },
+};
+
+static int __ibs_period_constraint_test(int ibs_type, struct ibs_period *period,
+ int *nr_samples)
+{
+ struct perf_event_attr attr;
+ int ret = 0;
+ void *rb;
+ int fd;
+
+ if (period->freq && period->sample_freq > perf_event_max_sample_rate)
+ period->ret = FD_ERROR;
+
+ if (ibs_type == IBS_FETCH)
+ fetch_prepare_attr(&attr, 0, period->freq, period->sample_freq);
+ else
+ op_prepare_attr(&attr, 0, period->freq, period->sample_freq);
+
+ /* CPU0, All processes */
+ fd = perf_event_open(&attr, -1, 0, -1, 0);
+ if (period->ret == FD_ERROR) {
+ if (fd != -1) {
+ close(fd);
+ return -1;
+ }
+ return 0;
+ }
+ if (fd <= -1)
+ return -1;
+
+ rb = mmap(NULL, PERF_MMAP_TOTAL_SIZE, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, 0);
+ if (rb == MAP_FAILED) {
+ pr_debug("mmap() failed. [%m]\n");
+ close(fd);
+ return -1;
+ }
+
+ ioctl(fd, PERF_EVENT_IOC_RESET, 0);
+ ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);
+
+ if (period->freq) {
+ dummy_workload_1(100000);
+ ret = rb_drain_samples(rb, period->period, nr_samples,
+ period_higher);
+ } else {
+ dummy_workload_1(period->sample_freq * 10);
+ ret = rb_drain_samples(rb, period->period, nr_samples,
+ period_equal);
+ }
+
+ ioctl(fd, PERF_EVENT_IOC_DISABLE, 0);
+ munmap(rb, PERF_MMAP_TOTAL_SIZE);
+ close(fd);
+ return ret;
+}
+
+static int ibs_period_constraint_test(void)
+{
+ unsigned long i;
+ int nr_samples;
+ int ret = 0;
+ int r;
+
+ pr_debug("\nIBS sample period constraint tests:\n");
+ pr_debug("-----------------------------------\n");
+
+ pr_debug("Fetch PMU test:\n");
+ for (i = 0; i < ARRAY_SIZE(fetch_period); i++) {
+ nr_samples = 0;
+ r = __ibs_period_constraint_test(IBS_FETCH, &fetch_period[i],
+ &nr_samples);
+
+ if (fetch_period[i].ret == FD_ERROR) {
+ pr_debug("freq %d, sample_freq %9ld: %-4s\n",
+ fetch_period[i].freq, fetch_period[i].sample_freq,
+ !r ? "Ok" : "Fail");
+ } else {
+ /*
+ * Although nr_samples == 0 is reported as Fail here,
+ * the failure status is not cascaded up because, we
+ * can not decide whether test really failed or not
+ * without actual samples.
+ */
+ pr_debug("freq %d, sample_freq %9ld: %-4s (nr samples: %d)\n",
+ fetch_period[i].freq, fetch_period[i].sample_freq,
+ (!r && nr_samples != 0) ? "Ok" : "Fail", nr_samples);
+ }
+ ret |= r;
+ }
+
+ pr_debug("Op PMU test:\n");
+ for (i = 0; i < ARRAY_SIZE(op_period); i++) {
+ nr_samples = 0;
+ r = __ibs_period_constraint_test(IBS_OP, &op_period[i],
+ &nr_samples);
+
+ if (op_period[i].ret == FD_ERROR) {
+ pr_debug("freq %d, sample_freq %9ld: %-4s\n",
+ op_period[i].freq, op_period[i].sample_freq,
+ !r ? "Ok" : "Fail");
+ } else {
+ /*
+ * Although nr_samples == 0 is reported as Fail here,
+ * the failure status is not cascaded up because, we
+ * can not decide whether test really failed or not
+ * without actual samples.
+ */
+ pr_debug("freq %d, sample_freq %9ld: %-4s (nr samples: %d)\n",
+ op_period[i].freq, op_period[i].sample_freq,
+ (!r && nr_samples != 0) ? "Ok" : "Fail", nr_samples);
+ }
+ ret |= r;
+ }
+
+ return ret;
+}
+
+struct ibs_ioctl {
+ /* Input */
+ int freq;
+ unsigned long period;
+
+ /* Expected output */
+ int ret;
+};
+
+struct ibs_ioctl fetch_ioctl[] = {
+ { .freq = 0, .period = 0x0, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x1, .ret = FD_ERROR },
+ { .freq = 0, .period = 0xf, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x10, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0x11, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x1f, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x20, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0x80, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0x8f, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x90, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0x91, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x100, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0xfff0, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0xffff, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x10000, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0x1fff0, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0x1fff5, .ret = FD_ERROR },
+ { .freq = 1, .period = 0x0, .ret = FD_ERROR },
+ { .freq = 1, .period = 0x1, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0xf, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x10, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x11, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x1f, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x20, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x80, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x8f, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x90, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x91, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x100, .ret = FD_SUCCESS },
+};
+
+struct ibs_ioctl op_ioctl[] = {
+ { .freq = 0, .period = 0x0, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x1, .ret = FD_ERROR },
+ { .freq = 0, .period = 0xf, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x10, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x11, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x1f, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x20, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x80, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x8f, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x90, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0x91, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x100, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0xfff0, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0xffff, .ret = FD_ERROR },
+ { .freq = 0, .period = 0x10000, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0x1fff0, .ret = FD_SUCCESS },
+ { .freq = 0, .period = 0x1fff5, .ret = FD_ERROR },
+ { .freq = 1, .period = 0x0, .ret = FD_ERROR },
+ { .freq = 1, .period = 0x1, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0xf, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x10, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x11, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x1f, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x20, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x80, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x8f, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x90, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x91, .ret = FD_SUCCESS },
+ { .freq = 1, .period = 0x100, .ret = FD_SUCCESS },
+};
+
+static int __ibs_ioctl_test(int ibs_type, struct ibs_ioctl *ibs_ioctl)
+{
+ struct perf_event_attr attr;
+ int ret = 0;
+ int fd;
+ int r;
+
+ if (ibs_type == IBS_FETCH)
+ fetch_prepare_attr(&attr, 0, ibs_ioctl->freq, 1000);
+ else
+ op_prepare_attr(&attr, 0, ibs_ioctl->freq, 1000);
+
+ /* CPU0, All processes */
+ fd = perf_event_open(&attr, -1, 0, -1, 0);
+ if (fd <= -1) {
+ pr_debug("event_open() Failed\n");
+ return -1;
+ }
+
+ r = ioctl(fd, PERF_EVENT_IOC_PERIOD, &ibs_ioctl->period);
+ if ((ibs_ioctl->ret == FD_SUCCESS && r <= -1) ||
+ (ibs_ioctl->ret == FD_ERROR && r >= 0)) {
+ ret = -1;
+ }
+
+ close(fd);
+ return ret;
+}
+
+static int ibs_ioctl_test(void)
+{
+ unsigned long i;
+ int ret = 0;
+ int r;
+
+ pr_debug("\nIBS ioctl() tests:\n");
+ pr_debug("------------------\n");
+
+ pr_debug("Fetch PMU tests\n");
+ for (i = 0; i < ARRAY_SIZE(fetch_ioctl); i++) {
+ r = __ibs_ioctl_test(IBS_FETCH, &fetch_ioctl[i]);
+
+ pr_debug("ioctl(%s = 0x%-7lx): %s\n",
+ fetch_ioctl[i].freq ? "freq " : "period",
+ fetch_ioctl[i].period, r ? "Fail" : "Ok");
+ ret |= r;
+ }
+
+ pr_debug("Op PMU tests\n");
+ for (i = 0; i < ARRAY_SIZE(op_ioctl); i++) {
+ r = __ibs_ioctl_test(IBS_OP, &op_ioctl[i]);
+
+ pr_debug("ioctl(%s = 0x%-7lx): %s\n",
+ op_ioctl[i].freq ? "freq " : "period",
+ op_ioctl[i].period, r ? "Fail" : "Ok");
+ ret |= r;
+ }
+
+ return ret;
+}
+
+static int ibs_freq_neg_test(void)
+{
+ struct perf_event_attr attr;
+ int fd;
+
+ pr_debug("\nIBS freq (negative) tests:\n");
+ pr_debug("--------------------------\n");
+
+ /*
+ * Assuming perf_event_max_sample_rate <= 100000,
+ * config: 0x300D40 ==> MaxCnt: 200000
+ */
+ op_prepare_attr(&attr, 0x300D40, 1, 0);
+
+ /* CPU0, All processes */
+ fd = perf_event_open(&attr, -1, 0, -1, 0);
+ if (fd != -1) {
+ pr_debug("freq 1, sample_freq 200000: Fail\n");
+ close(fd);
+ return -1;
+ }
+
+ pr_debug("freq 1, sample_freq 200000: Ok\n");
+
+ return 0;
+}
+
+struct ibs_l3missonly {
+ /* Input */
+ int freq;
+ unsigned long sample_freq;
+
+ /* Expected output */
+ int ret;
+ unsigned long min_period;
+};
+
+struct ibs_l3missonly fetch_l3missonly = {
+ .freq = 1,
+ .sample_freq = 10000,
+ .ret = FD_SUCCESS,
+ .min_period = 0x10,
+};
+
+struct ibs_l3missonly op_l3missonly = {
+ .freq = 1,
+ .sample_freq = 10000,
+ .ret = FD_SUCCESS,
+ .min_period = 0x90,
+};
+
+static int __ibs_l3missonly_test(char *perf, int ibs_type, int *nr_samples,
+ struct ibs_l3missonly *l3missonly)
+{
+ struct perf_event_attr attr;
+ int ret = 0;
+ void *rb;
+ int fd;
+
+ if (l3missonly->sample_freq > perf_event_max_sample_rate)
+ l3missonly->ret = FD_ERROR;
+
+ if (ibs_type == IBS_FETCH) {
+ fetch_prepare_attr(&attr, 0x800000000000000UL, l3missonly->freq,
+ l3missonly->sample_freq);
+ } else {
+ op_prepare_attr(&attr, 0x10000, l3missonly->freq,
+ l3missonly->sample_freq);
+ }
+
+ /* CPU0, All processes */
+ fd = perf_event_open(&attr, -1, 0, -1, 0);
+ if (l3missonly->ret == FD_ERROR) {
+ if (fd != -1) {
+ close(fd);
+ return -1;
+ }
+ return 0;
+ }
+ if (fd == -1) {
+ pr_debug("perf_event_open() failed. [%m]\n");
+ return -1;
+ }
+
+ rb = mmap(NULL, PERF_MMAP_TOTAL_SIZE, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, 0);
+ if (rb == MAP_FAILED) {
+ pr_debug("mmap() failed. [%m]\n");
+ close(fd);
+ return -1;
+ }
+
+ ioctl(fd, PERF_EVENT_IOC_RESET, 0);
+ ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);
+
+ dummy_workload_2(perf);
+
+ ioctl(fd, PERF_EVENT_IOC_DISABLE, 0);
+
+ ret = rb_drain_samples(rb, l3missonly->min_period, nr_samples, period_higher);
+
+ munmap(rb, PERF_MMAP_TOTAL_SIZE);
+ close(fd);
+ return ret;
+}
+
+static int ibs_l3missonly_test(char *perf)
+{
+ int nr_samples = 0;
+ int ret = 0;
+ int r = 0;
+
+ pr_debug("\nIBS L3MissOnly test: (takes a while)\n");
+ pr_debug("--------------------\n");
+
+ if (perf_pmu__has_format(fetch_pmu, "l3missonly")) {
+ nr_samples = 0;
+ r = __ibs_l3missonly_test(perf, IBS_FETCH, &nr_samples, &fetch_l3missonly);
+ if (fetch_l3missonly.ret == FD_ERROR) {
+ pr_debug("Fetch L3MissOnly: %-4s\n", !r ? "Ok" : "Fail");
+ } else {
+ /*
+ * Although nr_samples == 0 is reported as Fail here,
+ * the failure status is not cascaded up because, we
+ * can not decide whether test really failed or not
+ * without actual samples.
+ */
+ pr_debug("Fetch L3MissOnly: %-4s (nr_samples: %d)\n",
+ (!r && nr_samples != 0) ? "Ok" : "Fail", nr_samples);
+ }
+ ret |= r;
+ }
+
+ if (perf_pmu__has_format(op_pmu, "l3missonly")) {
+ nr_samples = 0;
+ r = __ibs_l3missonly_test(perf, IBS_OP, &nr_samples, &op_l3missonly);
+ if (op_l3missonly.ret == FD_ERROR) {
+ pr_debug("Op L3MissOnly: %-4s\n", !r ? "Ok" : "Fail");
+ } else {
+ /*
+ * Although nr_samples == 0 is reported as Fail here,
+ * the failure status is not cascaded up because, we
+ * can not decide whether test really failed or not
+ * without actual samples.
+ */
+ pr_debug("Op L3MissOnly: %-4s (nr_samples: %d)\n",
+ (!r && nr_samples != 0) ? "Ok" : "Fail", nr_samples);
+ }
+ ret |= r;
+ }
+
+ return ret;
+}
+
+static unsigned int get_perf_event_max_sample_rate(void)
+{
+ unsigned int max_sample_rate = 100000;
+ FILE *fp;
+ int ret;
+
+ fp = fopen("/proc/sys/kernel/perf_event_max_sample_rate", "r");
+ if (!fp) {
+ pr_debug("Can't open perf_event_max_sample_rate. Assuming %d\n",
+ max_sample_rate);
+ goto out;
+ }
+
+ ret = fscanf(fp, "%d", &max_sample_rate);
+ if (ret == EOF) {
+ pr_debug("Can't read perf_event_max_sample_rate. Assuming 100000\n");
+ max_sample_rate = 100000;
+ }
+ fclose(fp);
+
+out:
+ return max_sample_rate;
+}
+
+/*
+ * Bunch of IBS sample period fixes that this test exercise went in v6.15.
+ * Skip the test on older kernels to distinguish between test failure due
+ * to a new bug vs known failure due to older kernel.
+ */
+static bool kernel_v6_15_or_newer(void)
+{
+ struct utsname utsname;
+ char *endptr = NULL;
+ long major, minor;
+
+ if (uname(&utsname) < 0) {
+ pr_debug("uname() failed. [%m]");
+ return false;
+ }
+
+ major = strtol(utsname.release, &endptr, 10);
+ endptr++;
+ minor = strtol(endptr, NULL, 10);
+
+ return major >= 6 && minor >= 15;
+}
+
+int test__amd_ibs_period(struct test_suite *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ char perf[PATH_MAX] = {'\0'};
+ int ret = TEST_OK;
+
+ page_size = sysconf(_SC_PAGESIZE);
+
+ /*
+ * Reading perf_event_max_sample_rate only once _might_ cause some
+ * of the test to fail if kernel changes it after reading it here.
+ */
+ perf_event_max_sample_rate = get_perf_event_max_sample_rate();
+ fetch_pmu = perf_pmus__find("ibs_fetch");
+ op_pmu = perf_pmus__find("ibs_op");
+
+ if (!x86__is_amd_cpu() || !fetch_pmu || !op_pmu)
+ return TEST_SKIP;
+
+ if (!kernel_v6_15_or_newer()) {
+ pr_debug("Need v6.15 or newer kernel. Skipping.\n");
+ return TEST_SKIP;
+ }
+
+ perf_exe(perf, sizeof(perf));
+
+ if (sched_affine(0))
+ return TEST_FAIL;
+
+ /*
+ * Perf event can be opened in two modes:
+ * 1 Freq mode
+ * perf_event_attr->freq = 1, ->sample_freq = <frequency>
+ * 2 Sample period mode
+ * perf_event_attr->freq = 0, ->sample_period = <period>
+ *
+ * Instead of using above interface, IBS event in 'sample period mode'
+ * can also be opened by passing <period> value directly in a MaxCnt
+ * bitfields of perf_event_attr->config. Test this IBS specific special
+ * interface.
+ */
+ if (ibs_config_test())
+ ret = TEST_FAIL;
+
+ /*
+ * IBS Fetch and Op PMUs have HW constraints on minimum sample period.
+ * Also, sample period value must be in multiple of 0x10. Test that IBS
+ * driver honors HW constraints for various possible values in Freq as
+ * well as Sample Period mode IBS events.
+ */
+ if (ibs_period_constraint_test())
+ ret = TEST_FAIL;
+
+ /*
+ * Test ioctl() with various sample period values for IBS event.
+ */
+ if (ibs_ioctl_test())
+ ret = TEST_FAIL;
+
+ /*
+ * Test that opening of freq mode IBS event fails when the freq value
+ * is passed through ->config, not explicitly in ->sample_freq. Also
+ * use high freq value (beyond perf_event_max_sample_rate) to test IBS
+ * driver do not bypass perf_event_max_sample_rate checks.
+ */
+ if (ibs_freq_neg_test())
+ ret = TEST_FAIL;
+
+ /*
+ * L3MissOnly is a post-processing filter, i.e. IBS HW checks for L3
+ * Miss at the completion of the tagged uOp. The sample is discarded
+ * if the tagged uOp did not cause L3Miss. Also, IBS HW internally
+ * resets CurCnt to a small pseudo-random value and resumes counting.
+ * A new uOp is tagged once CurCnt reaches to MaxCnt. But the process
+ * repeats until the tagged uOp causes an L3 Miss.
+ *
+ * With the freq mode event, the next sample period is calculated by
+ * generic kernel on every sample to achieve desired freq of samples.
+ *
+ * Since the number of times HW internally reset CurCnt and the pseudo-
+ * random value of CurCnt for all those occurrences are not known to SW,
+ * the sample period adjustment by kernel goes for a toes for freq mode
+ * IBS events. Kernel will set very small period for the next sample if
+ * the window between current sample and prev sample is too high due to
+ * multiple samples being discarded internally by IBS HW.
+ *
+ * Test that IBS sample period constraints are honored when L3MissOnly
+ * is ON.
+ */
+ if (ibs_l3missonly_test(perf))
+ ret = TEST_FAIL;
+
+ return ret;
+}
diff --git a/tools/perf/arch/x86/tests/amd-ibs-via-core-pmu.c b/tools/perf/arch/x86/tests/amd-ibs-via-core-pmu.c
new file mode 100644
index 000000000000..78b1902f6f59
--- /dev/null
+++ b/tools/perf/arch/x86/tests/amd-ibs-via-core-pmu.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "arch-tests.h"
+#include "linux/perf_event.h"
+#include "tests/tests.h"
+#include "pmu.h"
+#include "pmus.h"
+#include "../perf-sys.h"
+#include "debug.h"
+
+#define NR_SUB_TESTS 5
+
+static struct sub_tests {
+ int type;
+ unsigned long config;
+ bool valid;
+} sub_tests[NR_SUB_TESTS] = {
+ { PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES, true },
+ { PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS, false },
+ { PERF_TYPE_RAW, 0x076, true },
+ { PERF_TYPE_RAW, 0x0C1, true },
+ { PERF_TYPE_RAW, 0x012, false },
+};
+
+static int event_open(int type, unsigned long config)
+{
+ struct perf_event_attr attr;
+
+ memset(&attr, 0, sizeof(struct perf_event_attr));
+ attr.type = type;
+ attr.size = sizeof(struct perf_event_attr);
+ attr.config = config;
+ attr.disabled = 1;
+ attr.precise_ip = 1;
+ attr.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID;
+ attr.sample_period = 100000;
+
+ return sys_perf_event_open(&attr, -1, 0, -1, 0);
+}
+
+int test__amd_ibs_via_core_pmu(struct test_suite *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ struct perf_pmu *ibs_pmu;
+ int ret = TEST_OK;
+ int fd, i;
+
+ ibs_pmu = perf_pmus__find("ibs_op");
+ if (!ibs_pmu)
+ return TEST_SKIP;
+
+ for (i = 0; i < NR_SUB_TESTS; i++) {
+ fd = event_open(sub_tests[i].type, sub_tests[i].config);
+ pr_debug("type: 0x%x, config: 0x%lx, fd: %d - ", sub_tests[i].type,
+ sub_tests[i].config, fd);
+ if ((sub_tests[i].valid && fd == -1) ||
+ (!sub_tests[i].valid && fd > 0)) {
+ pr_debug("Fail\n");
+ ret = TEST_FAIL;
+ } else {
+ pr_debug("Pass\n");
+ }
+
+ if (fd > 0)
+ close(fd);
+ }
+
+ return ret;
+}
diff --git a/tools/perf/arch/x86/tests/arch-tests.c b/tools/perf/arch/x86/tests/arch-tests.c
index 99d66191e56c..c3e1619c5e79 100644
--- a/tools/perf/arch/x86/tests/arch-tests.c
+++ b/tools/perf/arch/x86/tests/arch-tests.c
@@ -1,34 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
#include <string.h>
#include "tests/tests.h"
#include "arch-tests.h"
-struct test arch_tests[] = {
- {
- .desc = "x86 rdpmc",
- .func = test__rdpmc,
- },
- {
- .desc = "Convert perf time to TSC",
- .func = test__perf_time_to_tsc,
- },
-#ifdef HAVE_DWARF_UNWIND_SUPPORT
- {
- .desc = "DWARF unwind",
- .func = test__dwarf_unwind,
- },
+#ifdef HAVE_EXTRA_TESTS
+DEFINE_SUITE("x86 instruction decoder - new instructions", insn_x86);
#endif
-#ifdef HAVE_AUXTRACE_SUPPORT
- {
- .desc = "x86 instruction decoder - new instructions",
- .func = test__insn_x86,
- },
+
+static struct test_case intel_pt_tests[] = {
+ TEST_CASE("Intel PT packet decoder", intel_pt_pkt_decoder),
+ TEST_CASE("Intel PT hybrid CPU compatibility", intel_pt_hybrid_compat),
+ { .name = NULL, }
+};
+
+struct test_suite suite__intel_pt = {
+ .desc = "Intel PT",
+ .test_cases = intel_pt_tests,
+};
+
+#if defined(__x86_64__)
+DEFINE_SUITE("x86 bp modify", bp_modify);
#endif
- {
- .desc = "Intel cqm nmi context read",
- .func = test__intel_cqm_count_nmi_context,
- },
- {
- .func = NULL,
- },
+DEFINE_SUITE("AMD IBS via core pmu", amd_ibs_via_core_pmu);
+DEFINE_SUITE_EXCLUSIVE("AMD IBS sample period", amd_ibs_period);
+static struct test_case hybrid_tests[] = {
+ TEST_CASE_REASON("x86 hybrid event parsing", hybrid, "not hybrid"),
+ { .name = NULL, }
+};
+struct test_suite suite__hybrid = {
+ .desc = "x86 hybrid",
+ .test_cases = hybrid_tests,
+};
+
+struct test_suite *arch_tests[] = {
+#ifdef HAVE_DWARF_UNWIND_SUPPORT
+ &suite__dwarf_unwind,
+#endif
+#ifdef HAVE_EXTRA_TESTS
+ &suite__insn_x86,
+#endif
+ &suite__intel_pt,
+#if defined(__x86_64__)
+ &suite__bp_modify,
+#endif
+ &suite__amd_ibs_via_core_pmu,
+ &suite__amd_ibs_period,
+ &suite__hybrid,
+ &suite__x86_topdown,
+ NULL,
};
diff --git a/tools/perf/arch/x86/tests/bp-modify.c b/tools/perf/arch/x86/tests/bp-modify.c
new file mode 100644
index 000000000000..0924ccd9e36d
--- /dev/null
+++ b/tools/perf/arch/x86/tests/bp-modify.c
@@ -0,0 +1,214 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/compiler.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/user.h>
+#include <syscall.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ptrace.h>
+#include <asm/ptrace.h>
+#include <errno.h>
+#include "debug.h"
+#include "tests/tests.h"
+#include "arch-tests.h"
+
+static noinline int bp_1(void)
+{
+ pr_debug("in %s\n", __func__);
+ return 0;
+}
+
+static noinline int bp_2(void)
+{
+ pr_debug("in %s\n", __func__);
+ return 0;
+}
+
+static int spawn_child(void)
+{
+ int child = fork();
+
+ if (child == 0) {
+ /*
+ * The child sets itself for as tracee and
+ * waits in signal for parent to trace it,
+ * then it calls bp_1 and quits.
+ */
+ int err = ptrace(PTRACE_TRACEME, 0, NULL, NULL);
+
+ if (err) {
+ pr_debug("failed to PTRACE_TRACEME\n");
+ exit(1);
+ }
+
+ raise(SIGCONT);
+ bp_1();
+ exit(0);
+ }
+
+ return child;
+}
+
+/*
+ * This tests creates HW breakpoint, tries to
+ * change it and checks it was properly changed.
+ */
+static int bp_modify1(void)
+{
+ pid_t child;
+ int status;
+ unsigned long rip = 0, dr7 = 1;
+
+ child = spawn_child();
+
+ waitpid(child, &status, 0);
+ if (WIFEXITED(status)) {
+ pr_debug("tracee exited prematurely 1\n");
+ return TEST_FAIL;
+ }
+
+ /*
+ * The parent does following steps:
+ * - creates a new breakpoint (id 0) for bp_2 function
+ * - changes that breakpoint to bp_1 function
+ * - waits for the breakpoint to hit and checks
+ * it has proper rip of bp_1 function
+ * - detaches the child
+ */
+ if (ptrace(PTRACE_POKEUSER, child,
+ offsetof(struct user, u_debugreg[0]), bp_2)) {
+ pr_debug("failed to set breakpoint, 1st time: %s\n",
+ strerror(errno));
+ goto out;
+ }
+
+ if (ptrace(PTRACE_POKEUSER, child,
+ offsetof(struct user, u_debugreg[0]), bp_1)) {
+ pr_debug("failed to set breakpoint, 2nd time: %s\n",
+ strerror(errno));
+ goto out;
+ }
+
+ if (ptrace(PTRACE_POKEUSER, child,
+ offsetof(struct user, u_debugreg[7]), dr7)) {
+ pr_debug("failed to set dr7: %s\n", strerror(errno));
+ goto out;
+ }
+
+ if (ptrace(PTRACE_CONT, child, NULL, NULL)) {
+ pr_debug("failed to PTRACE_CONT: %s\n", strerror(errno));
+ goto out;
+ }
+
+ waitpid(child, &status, 0);
+ if (WIFEXITED(status)) {
+ pr_debug("tracee exited prematurely 2\n");
+ return TEST_FAIL;
+ }
+
+ rip = ptrace(PTRACE_PEEKUSER, child,
+ offsetof(struct user_regs_struct, rip), NULL);
+ if (rip == (unsigned long) -1) {
+ pr_debug("failed to PTRACE_PEEKUSER: %s\n",
+ strerror(errno));
+ goto out;
+ }
+
+ pr_debug("rip %lx, bp_1 %p\n", rip, bp_1);
+
+out:
+ if (ptrace(PTRACE_DETACH, child, NULL, NULL)) {
+ pr_debug("failed to PTRACE_DETACH: %s", strerror(errno));
+ return TEST_FAIL;
+ }
+
+ return rip == (unsigned long) bp_1 ? TEST_OK : TEST_FAIL;
+}
+
+/*
+ * This tests creates HW breakpoint, tries to
+ * change it to bogus value and checks the original
+ * breakpoint is hit.
+ */
+static int bp_modify2(void)
+{
+ pid_t child;
+ int status;
+ unsigned long rip = 0, dr7 = 1;
+
+ child = spawn_child();
+
+ waitpid(child, &status, 0);
+ if (WIFEXITED(status)) {
+ pr_debug("tracee exited prematurely 1\n");
+ return TEST_FAIL;
+ }
+
+ /*
+ * The parent does following steps:
+ * - creates a new breakpoint (id 0) for bp_1 function
+ * - tries to change that breakpoint to (-1) address
+ * - waits for the breakpoint to hit and checks
+ * it has proper rip of bp_1 function
+ * - detaches the child
+ */
+ if (ptrace(PTRACE_POKEUSER, child,
+ offsetof(struct user, u_debugreg[0]), bp_1)) {
+ pr_debug("failed to set breakpoint: %s\n",
+ strerror(errno));
+ goto out;
+ }
+
+ if (ptrace(PTRACE_POKEUSER, child,
+ offsetof(struct user, u_debugreg[7]), dr7)) {
+ pr_debug("failed to set dr7: %s\n", strerror(errno));
+ goto out;
+ }
+
+ if (!ptrace(PTRACE_POKEUSER, child,
+ offsetof(struct user, u_debugreg[0]), (unsigned long) (-1))) {
+ pr_debug("failed, breakpoint set to bogus address\n");
+ goto out;
+ }
+
+ if (ptrace(PTRACE_CONT, child, NULL, NULL)) {
+ pr_debug("failed to PTRACE_CONT: %s\n", strerror(errno));
+ goto out;
+ }
+
+ waitpid(child, &status, 0);
+ if (WIFEXITED(status)) {
+ pr_debug("tracee exited prematurely 2\n");
+ return TEST_FAIL;
+ }
+
+ rip = ptrace(PTRACE_PEEKUSER, child,
+ offsetof(struct user_regs_struct, rip), NULL);
+ if (rip == (unsigned long) -1) {
+ pr_debug("failed to PTRACE_PEEKUSER: %s\n",
+ strerror(errno));
+ goto out;
+ }
+
+ pr_debug("rip %lx, bp_1 %p\n", rip, bp_1);
+
+out:
+ if (ptrace(PTRACE_DETACH, child, NULL, NULL)) {
+ pr_debug("failed to PTRACE_DETACH: %s", strerror(errno));
+ return TEST_FAIL;
+ }
+
+ return rip == (unsigned long) bp_1 ? TEST_OK : TEST_FAIL;
+}
+
+int test__bp_modify(struct test_suite *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ TEST_ASSERT_VAL("modify test 1 failed\n", !bp_modify1());
+ TEST_ASSERT_VAL("modify test 2 failed\n", !bp_modify2());
+
+ return 0;
+}
diff --git a/tools/perf/arch/x86/tests/dwarf-unwind.c b/tools/perf/arch/x86/tests/dwarf-unwind.c
index 7f209ce827bf..e91a73d09cec 100644
--- a/tools/perf/arch/x86/tests/dwarf-unwind.c
+++ b/tools/perf/arch/x86/tests/dwarf-unwind.c
@@ -1,11 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
#include <string.h>
#include "perf_regs.h"
#include "thread.h"
#include "map.h"
+#include "maps.h"
#include "event.h"
#include "debug.h"
#include "tests/tests.h"
-#include "arch-tests.h"
#define STACK_SIZE 8192
@@ -25,17 +26,25 @@ static int sample_ustack(struct perf_sample *sample,
sp = (unsigned long) regs[PERF_REG_X86_SP];
- map = map_groups__find(thread->mg, MAP__VARIABLE, (u64) sp);
+ map = maps__find(thread__maps(thread), (u64)sp);
if (!map) {
pr_debug("failed to get stack map\n");
free(buf);
return -1;
}
- stack_size = map->end - sp;
+ stack_size = map__end(map) - sp;
+ map__put(map);
stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size;
memcpy(buf, (void *) sp, stack_size);
+#ifdef MEMORY_SANITIZER
+ /*
+ * Copying the stack may copy msan poison, avoid false positives in the
+ * unwinder by removing the poison here.
+ */
+ __msan_unpoison(buf, stack_size);
+#endif
stack->data = (char *) buf;
stack->size = stack_size;
return 0;
@@ -44,7 +53,7 @@ static int sample_ustack(struct perf_sample *sample,
int test__arch_unwind_sample(struct perf_sample *sample,
struct thread *thread)
{
- struct regs_dump *regs = &sample->user_regs;
+ struct regs_dump *regs = perf_sample__user_regs(sample);
u64 *buf;
buf = malloc(sizeof(u64) * PERF_REGS_MAX);
@@ -53,6 +62,14 @@ int test__arch_unwind_sample(struct perf_sample *sample,
return -1;
}
+#ifdef MEMORY_SANITIZER
+ /*
+ * Assignments to buf in the assembly function perf_regs_load aren't
+ * seen by memory sanitizer. Zero the memory to convince memory
+ * sanitizer the memory is initialized.
+ */
+ memset(buf, 0, sizeof(u64) * PERF_REGS_MAX);
+#endif
perf_regs_load(buf);
regs->abi = PERF_SAMPLE_REGS_ABI;
regs->regs = buf;
diff --git a/tools/perf/arch/x86/tests/gen-insn-x86-dat.awk b/tools/perf/arch/x86/tests/gen-insn-x86-dat.awk
index a21454835cd4..1a29f6379bde 100644
--- a/tools/perf/arch/x86/tests/gen-insn-x86-dat.awk
+++ b/tools/perf/arch/x86/tests/gen-insn-x86-dat.awk
@@ -1,15 +1,8 @@
#!/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0-only
# gen-insn-x86-dat.awk: script to convert data for the insn-x86 test
# Copyright (c) 2015, Intel Corporation.
#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
BEGIN {
print "/*"
diff --git a/tools/perf/arch/x86/tests/gen-insn-x86-dat.sh b/tools/perf/arch/x86/tests/gen-insn-x86-dat.sh
index 2d4ef94cff98..89c46532cd5c 100755
--- a/tools/perf/arch/x86/tests/gen-insn-x86-dat.sh
+++ b/tools/perf/arch/x86/tests/gen-insn-x86-dat.sh
@@ -1,15 +1,8 @@
#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
# gen-insn-x86-dat: generate data for the insn-x86 test
# Copyright (c) 2015, Intel Corporation.
#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
set -e
@@ -18,7 +11,7 @@ if [ "$(uname -m)" != "x86_64" ]; then
exit 1
fi
-cd $(dirname $0)
+cd "$(dirname $0)"
trap 'echo "Might need a more recent version of binutils"' EXIT
diff --git a/tools/perf/arch/x86/tests/hybrid.c b/tools/perf/arch/x86/tests/hybrid.c
new file mode 100644
index 000000000000..e221ea104174
--- /dev/null
+++ b/tools/perf/arch/x86/tests/hybrid.c
@@ -0,0 +1,310 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "arch-tests.h"
+#include "debug.h"
+#include "evlist.h"
+#include "evsel.h"
+#include "pmu.h"
+#include "pmus.h"
+#include "tests/tests.h"
+
+static bool test_config(const struct evsel *evsel, __u64 expected_config)
+{
+ return (evsel->core.attr.config & PERF_HW_EVENT_MASK) == expected_config;
+}
+
+static bool test_perf_config(const struct perf_evsel *evsel, __u64 expected_config)
+{
+ return (evsel->attr.config & PERF_HW_EVENT_MASK) == expected_config;
+}
+
+static bool test_hybrid_type(const struct evsel *evsel, __u64 expected_config)
+{
+ return (evsel->core.attr.config >> PERF_PMU_TYPE_SHIFT) == expected_config;
+}
+
+static int test__hybrid_hw_event_with_pmu(struct evlist *evlist)
+{
+ struct evsel *evsel = evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+ return TEST_OK;
+}
+
+static int test__hybrid_hw_group_event(struct evlist *evlist)
+{
+ struct evsel *evsel, *leader;
+
+ evsel = leader = evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+
+ evsel = evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_BRANCH_INSTRUCTIONS));
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+ return TEST_OK;
+}
+
+static int test__hybrid_sw_hw_group_event(struct evlist *evlist)
+{
+ struct evsel *evsel, *leader;
+
+ evsel = leader = evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+
+ evsel = evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+ return TEST_OK;
+}
+
+static int test__hybrid_hw_sw_group_event(struct evlist *evlist)
+{
+ struct evsel *evsel, *leader;
+
+ evsel = leader = evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+
+ evsel = evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+ return TEST_OK;
+}
+
+static int test__hybrid_group_modifier1(struct evlist *evlist)
+{
+ struct evsel *evsel, *leader;
+
+ evsel = leader = evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+ TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel);
+
+ evsel = evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_BRANCH_INSTRUCTIONS));
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel);
+ return TEST_OK;
+}
+
+static int test__hybrid_raw1(struct evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ perf_evlist__for_each_evsel(&evlist->core, evsel) {
+ struct perf_pmu *pmu = perf_pmus__find_by_type(evsel->attr.type);
+
+ TEST_ASSERT_VAL("missing pmu", pmu);
+ TEST_ASSERT_VAL("unexpected pmu", !strncmp(pmu->name, "cpu_", 4));
+ TEST_ASSERT_VAL("wrong config", test_perf_config(evsel, 0x1a));
+ }
+ return TEST_OK;
+}
+
+static int test__hybrid_raw2(struct evlist *evlist)
+{
+ struct evsel *evsel = evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x1a));
+ return TEST_OK;
+}
+
+static int test__hybrid_cache_event(struct evlist *evlist)
+{
+ struct evsel *evsel = evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HW_CACHE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", 0x2 == (evsel->core.attr.config & 0xffffffff));
+ return TEST_OK;
+}
+
+static int test__checkevent_pmu(struct evlist *evlist)
+{
+
+ struct evsel *evsel = evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", 10 == evsel->core.attr.config);
+ TEST_ASSERT_VAL("wrong config1", 1 == evsel->core.attr.config1);
+ TEST_ASSERT_VAL("wrong config2", 3 == evsel->core.attr.config2);
+ TEST_ASSERT_VAL("wrong config3", 0 == evsel->core.attr.config3);
+ /*
+ * The period value gets configured within evlist__config,
+ * while this test executes only parse events method.
+ */
+ TEST_ASSERT_VAL("wrong period", 0 == evsel->core.attr.sample_period);
+
+ return TEST_OK;
+}
+
+static int test__hybrid_hw_group_event_2(struct evlist *evlist)
+{
+ struct evsel *evsel, *leader;
+
+ evsel = leader = evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW));
+ TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES));
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+
+ evsel = evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", evsel->core.attr.config == 0x3c);
+ TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader));
+ return TEST_OK;
+}
+
+struct evlist_test {
+ const char *name;
+ bool (*valid)(void);
+ int (*check)(struct evlist *evlist);
+};
+
+static const struct evlist_test test__hybrid_events[] = {
+ {
+ .name = "cpu_core/cycles/",
+ .check = test__hybrid_hw_event_with_pmu,
+ /* 0 */
+ },
+ {
+ .name = "{cpu_core/cycles/,cpu_core/branches/}",
+ .check = test__hybrid_hw_group_event,
+ /* 1 */
+ },
+ {
+ .name = "{cpu-clock,cpu_core/cycles/}",
+ .check = test__hybrid_sw_hw_group_event,
+ /* 2 */
+ },
+ {
+ .name = "{cpu_core/cycles/,cpu-clock}",
+ .check = test__hybrid_hw_sw_group_event,
+ /* 3 */
+ },
+ {
+ .name = "{cpu_core/cycles/k,cpu_core/branches/u}",
+ .check = test__hybrid_group_modifier1,
+ /* 4 */
+ },
+ {
+ .name = "r1a",
+ .check = test__hybrid_raw1,
+ /* 5 */
+ },
+ {
+ .name = "cpu_core/r1a/",
+ .check = test__hybrid_raw2,
+ /* 6 */
+ },
+ {
+ .name = "cpu_core/config=10,config1,config2=3,period=1000/u",
+ .check = test__checkevent_pmu,
+ /* 7 */
+ },
+ {
+ .name = "cpu_core/LLC-loads/",
+ .check = test__hybrid_cache_event,
+ /* 8 */
+ },
+ {
+ .name = "{cpu_core/cycles/,cpu_core/cpu-cycles/}",
+ .check = test__hybrid_hw_group_event_2,
+ /* 9 */
+ },
+};
+
+static int test_event(const struct evlist_test *e)
+{
+ struct parse_events_error err;
+ struct evlist *evlist;
+ int ret;
+
+ if (e->valid && !e->valid()) {
+ pr_debug("... SKIP\n");
+ return TEST_OK;
+ }
+
+ evlist = evlist__new();
+ if (evlist == NULL) {
+ pr_err("Failed allocation");
+ return TEST_FAIL;
+ }
+ parse_events_error__init(&err);
+ ret = parse_events(evlist, e->name, &err);
+ if (ret) {
+ pr_debug("failed to parse event '%s', err %d\n", e->name, ret);
+ parse_events_error__print(&err, e->name);
+ ret = TEST_FAIL;
+ if (parse_events_error__contains(&err, "can't access trace events"))
+ ret = TEST_SKIP;
+ } else {
+ ret = e->check(evlist);
+ }
+ parse_events_error__exit(&err);
+ evlist__delete(evlist);
+
+ return ret;
+}
+
+static int combine_test_results(int existing, int latest)
+{
+ if (existing == TEST_FAIL)
+ return TEST_FAIL;
+ if (existing == TEST_SKIP)
+ return latest == TEST_OK ? TEST_SKIP : latest;
+ return latest;
+}
+
+static int test_events(const struct evlist_test *events, int cnt)
+{
+ int ret = TEST_OK;
+
+ for (int i = 0; i < cnt; i++) {
+ const struct evlist_test *e = &events[i];
+ int test_ret;
+
+ pr_debug("running test %d '%s'\n", i, e->name);
+ test_ret = test_event(e);
+ if (test_ret != TEST_OK) {
+ pr_debug("Event test failure: test %d '%s'", i, e->name);
+ ret = combine_test_results(ret, test_ret);
+ }
+ }
+
+ return ret;
+}
+
+int test__hybrid(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+ if (perf_pmus__num_core_pmus() == 1)
+ return TEST_SKIP;
+
+ return test_events(test__hybrid_events, ARRAY_SIZE(test__hybrid_events));
+}
diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-32.c b/tools/perf/arch/x86/tests/insn-x86-dat-32.c
index 0f196eec9f48..ce9645edaf68 100644
--- a/tools/perf/arch/x86/tests/insn-x86-dat-32.c
+++ b/tools/perf/arch/x86/tests/insn-x86-dat-32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Generated by gen-insn-x86-dat.sh and gen-insn-x86-dat.awk
* from insn-x86-dat-src.c for inclusion by insn-x86.c
@@ -666,6 +667,86 @@
"62 f2 55 0f 4f f4 \tvrsqrt14ss %xmm4,%xmm5,%xmm6{%k7}",},
{{0x62, 0xf2, 0xd5, 0x0f, 0x4f, 0xf4, }, 6, 0, "", "",
"62 f2 d5 0f 4f f4 \tvrsqrt14sd %xmm4,%xmm5,%xmm6{%k7}",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x50, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 50 d9 \tvpdpbusd %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x50, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 50 d9 \tvpdpbusd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x50, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 50 d9 \tvpdpbusd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x50, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 50 9c c8 78 56 34 12 \tvpdpbusd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x51, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 51 d9 \tvpdpbusds %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x51, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 51 d9 \tvpdpbusds %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x51, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 51 d9 \tvpdpbusds %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x51, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 51 9c c8 78 56 34 12 \tvpdpbusds 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6e, 0x08, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6e 08 52 d9 \tvdpbf16ps %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6e, 0x28, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6e 28 52 d9 \tvdpbf16ps %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6e, 0x48, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6e 48 52 d9 \tvdpbf16ps %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6e, 0x48, 0x52, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6e 48 52 9c c8 78 56 34 12 \tvdpbf16ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 52 d9 \tvpdpwssd %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 52 d9 \tvpdpwssd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 52 d9 \tvpdpwssd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x52, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 52 9c c8 78 56 34 12 \tvpdpwssd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x52, 0x20, }, 6, 0, "", "",
+"62 f2 7f 48 52 20 \tvp4dpwssd (%eax),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x52, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 48 52 a4 c8 78 56 34 12 \tvp4dpwssd 0x12345678(%eax,%ecx,8),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x53, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 53 d9 \tvpdpwssds %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x53, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 53 d9 \tvpdpwssds %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x53, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 53 d9 \tvpdpwssds %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x53, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 53 9c c8 78 56 34 12 \tvpdpwssds 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x53, 0x20, }, 6, 0, "", "",
+"62 f2 7f 48 53 20 \tvp4dpwssds (%eax),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x53, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 48 53 a4 c8 78 56 34 12 \tvp4dpwssds 0x12345678(%eax,%ecx,8),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x7d, 0x08, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 08 54 d1 \tvpopcntb %xmm1,%xmm2",},
+{{0x62, 0xf2, 0x7d, 0x28, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 28 54 d1 \tvpopcntb %ymm1,%ymm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 48 54 d1 \tvpopcntb %zmm1,%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x54, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7d 48 54 94 c8 78 56 34 12 \tvpopcntb 0x12345678(%eax,%ecx,8),%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x08, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 08 54 d1 \tvpopcntw %xmm1,%xmm2",},
+{{0x62, 0xf2, 0xfd, 0x28, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 28 54 d1 \tvpopcntw %ymm1,%ymm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 48 54 d1 \tvpopcntw %zmm1,%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x54, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 fd 48 54 94 c8 78 56 34 12 \tvpopcntw 0x12345678(%eax,%ecx,8),%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x08, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 08 55 d1 \tvpopcntd %xmm1,%xmm2",},
+{{0x62, 0xf2, 0x7d, 0x28, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 28 55 d1 \tvpopcntd %ymm1,%ymm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 48 55 d1 \tvpopcntd %zmm1,%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x55, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7d 48 55 94 c8 78 56 34 12 \tvpopcntd 0x12345678(%eax,%ecx,8),%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x08, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 08 55 d1 \tvpopcntq %xmm1,%xmm2",},
+{{0x62, 0xf2, 0xfd, 0x28, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 28 55 d1 \tvpopcntq %ymm1,%ymm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 48 55 d1 \tvpopcntq %zmm1,%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x55, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 fd 48 55 94 c8 78 56 34 12 \tvpopcntq 0x12345678(%eax,%ecx,8),%zmm2",},
{{0xc4, 0xe2, 0x79, 0x59, 0xf4, }, 5, 0, "", "",
"c4 e2 79 59 f4 \tvpbroadcastq %xmm4,%xmm6",},
{{0x62, 0xf2, 0x7d, 0x48, 0x59, 0xf7, }, 6, 0, "", "",
@@ -680,6 +761,38 @@
"62 f2 7d 48 5b 31 \tvbroadcasti32x8 (%ecx),%zmm6",},
{{0x62, 0xf2, 0xfd, 0x48, 0x5b, 0x31, }, 6, 0, "", "",
"62 f2 fd 48 5b 31 \tvbroadcasti64x4 (%ecx),%zmm6",},
+{{0x62, 0xf2, 0x7d, 0x08, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 08 62 d1 \tvpexpandb %xmm1,%xmm2",},
+{{0x62, 0xf2, 0x7d, 0x28, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 28 62 d1 \tvpexpandb %ymm1,%ymm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 48 62 d1 \tvpexpandb %zmm1,%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x62, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7d 48 62 94 c8 78 56 34 12 \tvpexpandb 0x12345678(%eax,%ecx,8),%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x08, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 08 62 d1 \tvpexpandw %xmm1,%xmm2",},
+{{0x62, 0xf2, 0xfd, 0x28, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 28 62 d1 \tvpexpandw %ymm1,%ymm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 48 62 d1 \tvpexpandw %zmm1,%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x62, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 fd 48 62 94 c8 78 56 34 12 \tvpexpandw 0x12345678(%eax,%ecx,8),%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x08, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 7d 08 63 ca \tvpcompressb %xmm1,%xmm2",},
+{{0x62, 0xf2, 0x7d, 0x28, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 7d 28 63 ca \tvpcompressb %ymm1,%ymm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 7d 48 63 ca \tvpcompressb %zmm1,%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x63, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7d 48 63 94 c8 78 56 34 12 \tvpcompressb %zmm2,0x12345678(%eax,%ecx,8)",},
+{{0x62, 0xf2, 0xfd, 0x08, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 fd 08 63 ca \tvpcompressw %xmm1,%xmm2",},
+{{0x62, 0xf2, 0xfd, 0x28, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 fd 28 63 ca \tvpcompressw %ymm1,%ymm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 fd 48 63 ca \tvpcompressw %zmm1,%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x63, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 fd 48 63 94 c8 78 56 34 12 \tvpcompressw %zmm2,0x12345678(%eax,%ecx,8)",},
{{0x62, 0xf2, 0x55, 0x48, 0x64, 0xf4, }, 6, 0, "", "",
"62 f2 55 48 64 f4 \tvpblendmd %zmm4,%zmm5,%zmm6",},
{{0x62, 0xf2, 0xd5, 0x48, 0x64, 0xf4, }, 6, 0, "", "",
@@ -692,6 +805,86 @@
"62 f2 55 48 66 f4 \tvpblendmb %zmm4,%zmm5,%zmm6",},
{{0x62, 0xf2, 0xd5, 0x48, 0x66, 0xf4, }, 6, 0, "", "",
"62 f2 d5 48 66 f4 \tvpblendmw %zmm4,%zmm5,%zmm6",},
+{{0x62, 0xf2, 0x6f, 0x08, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 08 68 d9 \tvp2intersectd %xmm1,%xmm2,%k3",},
+{{0x62, 0xf2, 0x6f, 0x28, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 28 68 d9 \tvp2intersectd %ymm1,%ymm2,%k3",},
+{{0x62, 0xf2, 0x6f, 0x48, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 48 68 d9 \tvp2intersectd %zmm1,%zmm2,%k3",},
+{{0x62, 0xf2, 0x6f, 0x48, 0x68, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6f 48 68 9c c8 78 56 34 12 \tvp2intersectd 0x12345678(%eax,%ecx,8),%zmm2,%k3",},
+{{0x62, 0xf2, 0xef, 0x08, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 ef 08 68 d9 \tvp2intersectq %xmm1,%xmm2,%k3",},
+{{0x62, 0xf2, 0xef, 0x28, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 ef 28 68 d9 \tvp2intersectq %ymm1,%ymm2,%k3",},
+{{0x62, 0xf2, 0xef, 0x48, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 ef 48 68 d9 \tvp2intersectq %zmm1,%zmm2,%k3",},
+{{0x62, 0xf2, 0xef, 0x48, 0x68, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ef 48 68 9c c8 78 56 34 12 \tvp2intersectq 0x12345678(%eax,%ecx,8),%zmm2,%k3",},
+{{0x62, 0xf2, 0xed, 0x08, 0x70, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 70 d9 \tvpshldvw %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x28, 0x70, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 28 70 d9 \tvpshldvw %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x70, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 70 d9 \tvpshldvw %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x70, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 70 9c c8 78 56 34 12 \tvpshldvw 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 71 d9 \tvpshldvd %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 71 d9 \tvpshldvd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 71 d9 \tvpshldvd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x71, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 71 9c c8 78 56 34 12 \tvpshldvd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x08, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 71 d9 \tvpshldvq %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x28, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 28 71 d9 \tvpshldvq %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 71 d9 \tvpshldvq %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x71, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 71 9c c8 78 56 34 12 \tvpshldvq 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6f, 0x08, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 08 72 d9 \tvcvtne2ps2bf16 %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6f, 0x28, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 28 72 d9 \tvcvtne2ps2bf16 %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6f, 0x48, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 48 72 d9 \tvcvtne2ps2bf16 %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6f, 0x48, 0x72, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6f 48 72 9c c8 78 56 34 12 \tvcvtne2ps2bf16 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x7e, 0x08, 0x72, 0xd1, }, 6, 0, "", "",
+"62 f2 7e 08 72 d1 \tvcvtneps2bf16 %xmm1,%xmm2",},
+{{0x62, 0xf2, 0x7e, 0x28, 0x72, 0xd1, }, 6, 0, "", "",
+"62 f2 7e 28 72 d1 \tvcvtneps2bf16 %ymm1,%xmm2",},
+{{0x62, 0xf2, 0x7e, 0x48, 0x72, 0xd1, }, 6, 0, "", "",
+"62 f2 7e 48 72 d1 \tvcvtneps2bf16 %zmm1,%ymm2",},
+{{0x62, 0xf2, 0x7e, 0x48, 0x72, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7e 48 72 94 c8 78 56 34 12 \tvcvtneps2bf16 0x12345678(%eax,%ecx,8),%ymm2",},
+{{0x62, 0xf2, 0xed, 0x08, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 72 d9 \tvpshrdvw %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x28, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 28 72 d9 \tvpshrdvw %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 72 d9 \tvpshrdvw %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x72, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 72 9c c8 78 56 34 12 \tvpshrdvw 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 73 d9 \tvpshrdvd %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 73 d9 \tvpshrdvd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 73 d9 \tvpshrdvd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x73, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 73 9c c8 78 56 34 12 \tvpshrdvd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x08, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 73 d9 \tvpshrdvq %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x28, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 28 73 d9 \tvpshrdvq %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 73 d9 \tvpshrdvq %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x73, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 73 9c c8 78 56 34 12 \tvpshrdvq 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
{{0x62, 0xf2, 0x55, 0x48, 0x75, 0xf4, }, 6, 0, "", "",
"62 f2 55 48 75 f4 \tvpermi2b %zmm4,%zmm5,%zmm6",},
{{0x62, 0xf2, 0xd5, 0x48, 0x75, 0xf4, }, 6, 0, "", "",
@@ -744,6 +937,14 @@
"62 f2 55 48 8d f4 \tvpermb %zmm4,%zmm5,%zmm6",},
{{0x62, 0xf2, 0xd5, 0x48, 0x8d, 0xf4, }, 6, 0, "", "",
"62 f2 d5 48 8d f4 \tvpermw %zmm4,%zmm5,%zmm6",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x8f, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 8f d9 \tvpshufbitqmb %xmm1,%xmm2,%k3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x8f, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 8f d9 \tvpshufbitqmb %ymm1,%ymm2,%k3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x8f, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 8f d9 \tvpshufbitqmb %zmm1,%zmm2,%k3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x8f, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 8f 9c c8 78 56 34 12 \tvpshufbitqmb 0x12345678(%eax,%ecx,8),%zmm2,%k3",},
{{0xc4, 0xe2, 0x69, 0x90, 0x4c, 0x7d, 0x02, }, 7, 0, "", "",
"c4 e2 69 90 4c 7d 02 \tvpgatherdd %xmm2,0x2(%ebp,%xmm7,2),%xmm1",},
{{0xc4, 0xe2, 0xe9, 0x90, 0x4c, 0x7d, 0x04, }, 7, 0, "", "",
@@ -760,6 +961,38 @@
"62 f2 7d 49 91 b4 fd 7b 00 00 00 \tvpgatherqd 0x7b(%ebp,%zmm7,8),%ymm6{%k1}",},
{{0x62, 0xf2, 0xfd, 0x49, 0x91, 0xb4, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "",
"62 f2 fd 49 91 b4 fd 7b 00 00 00 \tvpgatherqq 0x7b(%ebp,%zmm7,8),%zmm6{%k1}",},
+{{0xc4, 0xe2, 0x69, 0x9a, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 9a d9 \tvfmsub132ps %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0x9a, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d 9a d9 \tvfmsub132ps %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x9a, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 9a d9 \tvfmsub132ps %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x9a, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 9a 9c c8 78 56 34 12 \tvfmsub132ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0xe9, 0x9a, 0xd9, }, 5, 0, "", "",
+"c4 e2 e9 9a d9 \tvfmsub132pd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xed, 0x9a, 0xd9, }, 5, 0, "", "",
+"c4 e2 ed 9a d9 \tvfmsub132pd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x9a, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 9a d9 \tvfmsub132pd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x9a, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 9a 9c c8 78 56 34 12 \tvfmsub132pd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x9a, 0x20, }, 6, 0, "", "",
+"62 f2 7f 48 9a 20 \tv4fmaddps (%eax),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x9a, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 48 9a a4 c8 78 56 34 12 \tv4fmaddps 0x12345678(%eax,%ecx,8),%zmm0,%zmm4",},
+{{0xc4, 0xe2, 0x69, 0x9b, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 9b d9 \tvfmsub132ss %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x69, 0x9b, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"c4 e2 69 9b 9c c8 78 56 34 12 \tvfmsub132ss 0x12345678(%eax,%ecx,8),%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xe9, 0x9b, 0xd9, }, 5, 0, "", "",
+"c4 e2 e9 9b d9 \tvfmsub132sd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xe9, 0x9b, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"c4 e2 e9 9b 9c c8 78 56 34 12 \tvfmsub132sd 0x12345678(%eax,%ecx,8),%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x7f, 0x08, 0x9b, 0x20, }, 6, 0, "", "",
+"62 f2 7f 08 9b 20 \tv4fmaddss (%eax),%xmm0,%xmm4",},
+{{0x62, 0xf2, 0x7f, 0x08, 0x9b, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 08 9b a4 c8 78 56 34 12 \tv4fmaddss 0x12345678(%eax,%ecx,8),%xmm0,%xmm4",},
{{0x62, 0xf2, 0x7d, 0x49, 0xa0, 0xb4, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "",
"62 f2 7d 49 a0 b4 fd 7b 00 00 00 \tvpscatterdd %zmm6,0x7b(%ebp,%zmm7,8){%k1}",},
{{0x62, 0xf2, 0xfd, 0x49, 0xa0, 0xb4, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "",
@@ -776,6 +1009,38 @@
"62 f2 7d 49 a3 b4 fd 7b 00 00 00 \tvscatterqps %ymm6,0x7b(%ebp,%zmm7,8){%k1}",},
{{0x62, 0xf2, 0xfd, 0x49, 0xa3, 0xb4, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "",
"62 f2 fd 49 a3 b4 fd 7b 00 00 00 \tvscatterqpd %zmm6,0x7b(%ebp,%zmm7,8){%k1}",},
+{{0xc4, 0xe2, 0x69, 0xaa, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 aa d9 \tvfmsub213ps %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xaa, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d aa d9 \tvfmsub213ps %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xaa, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 aa d9 \tvfmsub213ps %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xaa, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 aa 9c c8 78 56 34 12 \tvfmsub213ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0xe9, 0xaa, 0xd9, }, 5, 0, "", "",
+"c4 e2 e9 aa d9 \tvfmsub213pd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xed, 0xaa, 0xd9, }, 5, 0, "", "",
+"c4 e2 ed aa d9 \tvfmsub213pd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0xaa, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 aa d9 \tvfmsub213pd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0xaa, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 aa 9c c8 78 56 34 12 \tvfmsub213pd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x7f, 0x48, 0xaa, 0x20, }, 6, 0, "", "",
+"62 f2 7f 48 aa 20 \tv4fnmaddps (%eax),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x7f, 0x48, 0xaa, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 48 aa a4 c8 78 56 34 12 \tv4fnmaddps 0x12345678(%eax,%ecx,8),%zmm0,%zmm4",},
+{{0xc4, 0xe2, 0x69, 0xab, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 ab d9 \tvfmsub213ss %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x69, 0xab, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"c4 e2 69 ab 9c c8 78 56 34 12 \tvfmsub213ss 0x12345678(%eax,%ecx,8),%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xe9, 0xab, 0xd9, }, 5, 0, "", "",
+"c4 e2 e9 ab d9 \tvfmsub213sd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xe9, 0xab, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"c4 e2 e9 ab 9c c8 78 56 34 12 \tvfmsub213sd 0x12345678(%eax,%ecx,8),%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x7f, 0x08, 0xab, 0x20, }, 6, 0, "", "",
+"62 f2 7f 08 ab 20 \tv4fnmaddss (%eax),%xmm0,%xmm4",},
+{{0x62, 0xf2, 0x7f, 0x08, 0xab, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 08 ab a4 c8 78 56 34 12 \tv4fnmaddss 0x12345678(%eax,%ecx,8),%xmm0,%xmm4",},
{{0x62, 0xf2, 0xd5, 0x48, 0xb4, 0xf4, }, 6, 0, "", "",
"62 f2 d5 48 b4 f4 \tvpmadd52luq %zmm4,%zmm5,%zmm6",},
{{0x62, 0xf2, 0xd5, 0x48, 0xb5, 0xf4, }, 6, 0, "", "",
@@ -804,6 +1069,50 @@
"62 f2 4d 0f cd fd \tvrsqrt28ss %xmm5,%xmm6,%xmm7{%k7}",},
{{0x62, 0xf2, 0xcd, 0x0f, 0xcd, 0xfd, }, 6, 0, "", "",
"62 f2 cd 0f cd fd \tvrsqrt28sd %xmm5,%xmm6,%xmm7{%k7}",},
+{{0x66, 0x0f, 0x38, 0xcf, 0xd9, }, 5, 0, "", "",
+"66 0f 38 cf d9 \tgf2p8mulb %xmm1,%xmm3",},
+{{0x66, 0x0f, 0x38, 0xcf, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"66 0f 38 cf 9c c8 78 56 34 12 \tgf2p8mulb 0x12345678(%eax,%ecx,8),%xmm3",},
+{{0xc4, 0xe2, 0x69, 0xcf, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 cf d9 \tvgf2p8mulb %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xcf, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d cf d9 \tvgf2p8mulb %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xcf, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 cf d9 \tvgf2p8mulb %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xcf, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 cf 9c c8 78 56 34 12 \tvgf2p8mulb 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0x69, 0xdc, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 dc d9 \tvaesenc %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xdc, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d dc d9 \tvaesenc %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdc, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 dc d9 \tvaesenc %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdc, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 dc 9c c8 78 56 34 12 \tvaesenc 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0x69, 0xdd, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 dd d9 \tvaesenclast %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xdd, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d dd d9 \tvaesenclast %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdd, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 dd d9 \tvaesenclast %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdd, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 dd 9c c8 78 56 34 12 \tvaesenclast 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0x69, 0xde, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 de d9 \tvaesdec %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xde, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d de d9 \tvaesdec %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xde, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 de d9 \tvaesdec %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xde, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 de 9c c8 78 56 34 12 \tvaesdec 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0x69, 0xdf, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 df d9 \tvaesdeclast %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xdf, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d df d9 \tvaesdeclast %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdf, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 df d9 \tvaesdeclast %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdf, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 df 9c c8 78 56 34 12 \tvaesdeclast 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
{{0x62, 0xf3, 0x4d, 0x48, 0x03, 0xfd, 0x12, }, 7, 0, "", "",
"62 f3 4d 48 03 fd 12 \tvalignd $0x12,%zmm5,%zmm6,%zmm7",},
{{0x62, 0xf3, 0xcd, 0x48, 0x03, 0xfd, 0x12, }, 7, 0, "", "",
@@ -904,6 +1213,12 @@
"62 f3 4d 48 43 fd 12 \tvshufi32x4 $0x12,%zmm5,%zmm6,%zmm7",},
{{0x62, 0xf3, 0xcd, 0x48, 0x43, 0xfd, 0x12, }, 7, 0, "", "",
"62 f3 cd 48 43 fd 12 \tvshufi64x2 $0x12,%zmm5,%zmm6,%zmm7",},
+{{0xc4, 0xe3, 0x69, 0x44, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 69 44 d9 12 \tvpclmulqdq $0x12,%xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe3, 0x6d, 0x44, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 6d 44 d9 12 \tvpclmulqdq $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0x6d, 0x48, 0x44, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 48 44 d9 12 \tvpclmulqdq $0x12,%zmm1,%zmm2,%zmm3",},
{{0x62, 0xf3, 0x4d, 0x48, 0x50, 0xfd, 0x12, }, 7, 0, "", "",
"62 f3 4d 48 50 fd 12 \tvrangeps $0x12,%zmm5,%zmm6,%zmm7",},
{{0x62, 0xf3, 0xcd, 0x48, 0x50, 0xfd, 0x12, }, 7, 0, "", "",
@@ -936,6 +1251,58 @@
"62 f3 7d 08 67 ef 12 \tvfpclassss $0x12,%xmm7,%k5",},
{{0x62, 0xf3, 0xfd, 0x08, 0x67, 0xef, 0x12, }, 7, 0, "", "",
"62 f3 fd 08 67 ef 12 \tvfpclasssd $0x12,%xmm7,%k5",},
+{{0x62, 0xf3, 0xed, 0x08, 0x70, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 08 70 d9 12 \tvpshldw $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0xed, 0x28, 0x70, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 28 70 d9 12 \tvpshldw $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0x70, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 70 d9 12 \tvpshldw $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf3, 0x6d, 0x08, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 08 71 d9 12 \tvpshldd $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0x6d, 0x28, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 28 71 d9 12 \tvpshldd $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0x6d, 0x48, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 48 71 d9 12 \tvpshldd $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf3, 0xed, 0x08, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 08 71 d9 12 \tvpshldq $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0xed, 0x28, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 28 71 d9 12 \tvpshldq $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 71 d9 12 \tvpshldq $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf3, 0xed, 0x08, 0x72, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 08 72 d9 12 \tvpshrdw $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0xed, 0x28, 0x72, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 28 72 d9 12 \tvpshrdw $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0x72, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 72 d9 12 \tvpshrdw $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf3, 0x6d, 0x08, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 08 73 d9 12 \tvpshrdd $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0x6d, 0x28, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 28 73 d9 12 \tvpshrdd $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0x6d, 0x48, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 48 73 d9 12 \tvpshrdd $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf3, 0xed, 0x08, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 08 73 d9 12 \tvpshrdq $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0xed, 0x28, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 28 73 d9 12 \tvpshrdq $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 73 d9 12 \tvpshrdq $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x66, 0x0f, 0x3a, 0xce, 0xd9, 0x12, }, 6, 0, "", "",
+"66 0f 3a ce d9 12 \tgf2p8affineqb $0x12,%xmm1,%xmm3",},
+{{0xc4, 0xe3, 0xe9, 0xce, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 e9 ce d9 12 \tvgf2p8affineqb $0x12,%xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe3, 0xed, 0xce, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 ed ce d9 12 \tvgf2p8affineqb $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0xce, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 ce d9 12 \tvgf2p8affineqb $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x66, 0x0f, 0x3a, 0xcf, 0xd9, 0x12, }, 6, 0, "", "",
+"66 0f 3a cf d9 12 \tgf2p8affineinvqb $0x12,%xmm1,%xmm3",},
+{{0xc4, 0xe3, 0xe9, 0xcf, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 e9 cf d9 12 \tvgf2p8affineinvqb $0x12,%xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe3, 0xed, 0xcf, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 ed cf d9 12 \tvgf2p8affineinvqb $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0xcf, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 cf d9 12 \tvgf2p8affineinvqb $0x12,%zmm1,%zmm2,%zmm3",},
{{0x62, 0xf1, 0x4d, 0x48, 0x72, 0xc5, 0x12, }, 7, 0, "", "",
"62 f1 4d 48 72 c5 12 \tvprord $0x12,%zmm5,%zmm6",},
{{0x62, 0xf1, 0xcd, 0x48, 0x72, 0xc5, 0x12, }, 7, 0, "", "",
@@ -1646,6 +2013,12 @@
"0f ae 30 \txsaveopt (%eax)",},
{{0x0f, 0xae, 0xf0, }, 3, 0, "", "",
"0f ae f0 \tmfence ",},
+{{0x0f, 0x1c, 0x00, }, 3, 0, "", "",
+"0f 1c 00 \tcldemote (%eax)",},
+{{0x0f, 0x1c, 0x05, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
+"0f 1c 05 78 56 34 12 \tcldemote 0x12345678",},
+{{0x0f, 0x1c, 0x84, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f 1c 84 c8 78 56 34 12 \tcldemote 0x12345678(%eax,%ecx,8)",},
{{0x0f, 0xc7, 0x20, }, 3, 0, "", "",
"0f c7 20 \txsavec (%eax)",},
{{0x0f, 0xc7, 0x25, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
@@ -1664,3 +2037,1207 @@
"0f c7 1d 78 56 34 12 \txrstors 0x12345678",},
{{0x0f, 0xc7, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
"0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%eax,%ecx,8)",},
+{{0xf3, 0x0f, 0xae, 0x20, }, 4, 0, "", "",
+"f3 0f ae 20 \tptwritel (%eax)",},
+{{0xf3, 0x0f, 0xae, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"f3 0f ae 25 78 56 34 12 \tptwritel 0x12345678",},
+{{0xf3, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
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+{{0x62, 0xf6, 0x7d, 0x08, 0x4e, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f6 7d 08 4e 8c c8 78 56 34 12 \tvrsqrtph 0x12345678(%eax,%ecx,8),%xmm1",},
+{{0x62, 0xf6, 0x7d, 0x28, 0x4e, 0xca, }, 6, 0, "", "",
+"62 f6 7d 28 4e ca \tvrsqrtph %ymm2,%ymm1",},
+{{0x62, 0xf6, 0x7d, 0x28, 0x4e, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f6 7d 28 4e 8c c8 78 56 34 12 \tvrsqrtph 0x12345678(%eax,%ecx,8),%ymm1",},
+{{0x62, 0xf6, 0x6d, 0x08, 0x4f, 0xcb, }, 6, 0, "", "",
+"62 f6 6d 08 4f cb \tvrsqrtsh %xmm3,%xmm2,%xmm1",},
+{{0x62, 0xf6, 0x6d, 0x08, 0x4f, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f6 6d 08 4f 8c c8 78 56 34 12 \tvrsqrtsh 0x12345678(%eax,%ecx,8),%xmm2,%xmm1",},
+{{0x62, 0xf6, 0x6d, 0x48, 0x2c, 0xcb, }, 6, 0, "", "",
+"62 f6 6d 48 2c cb \tvscalefph %zmm3,%zmm2,%zmm1",},
+{{0x62, 0xf6, 0x6d, 0x48, 0x2c, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f6 6d 48 2c 8c c8 78 56 34 12 \tvscalefph 0x12345678(%eax,%ecx,8),%zmm2,%zmm1",},
+{{0x62, 0xf6, 0x6d, 0x08, 0x2c, 0xcb, }, 6, 0, "", "",
+"62 f6 6d 08 2c cb \tvscalefph %xmm3,%xmm2,%xmm1",},
+{{0x62, 0xf6, 0x6d, 0x08, 0x2c, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f6 6d 08 2c 8c c8 78 56 34 12 \tvscalefph 0x12345678(%eax,%ecx,8),%xmm2,%xmm1",},
+{{0x62, 0xf6, 0x6d, 0x28, 0x2c, 0xcb, }, 6, 0, "", "",
+"62 f6 6d 28 2c cb \tvscalefph %ymm3,%ymm2,%ymm1",},
+{{0x62, 0xf6, 0x6d, 0x28, 0x2c, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f6 6d 28 2c 8c c8 78 56 34 12 \tvscalefph 0x12345678(%eax,%ecx,8),%ymm2,%ymm1",},
+{{0x62, 0xf6, 0x6d, 0x08, 0x2d, 0xcb, }, 6, 0, "", "",
+"62 f6 6d 08 2d cb \tvscalefsh %xmm3,%xmm2,%xmm1",},
+{{0x62, 0xf6, 0x6d, 0x08, 0x2d, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f6 6d 08 2d 8c c8 78 56 34 12 \tvscalefsh 0x12345678(%eax,%ecx,8),%xmm2,%xmm1",},
+{{0x62, 0xf5, 0x7c, 0x48, 0x51, 0xca, }, 6, 0, "", "",
+"62 f5 7c 48 51 ca \tvsqrtph %zmm2,%zmm1",},
+{{0x62, 0xf5, 0x7c, 0x48, 0x51, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 7c 48 51 8c c8 78 56 34 12 \tvsqrtph 0x12345678(%eax,%ecx,8),%zmm1",},
+{{0x62, 0xf5, 0x7c, 0x08, 0x51, 0xca, }, 6, 0, "", "",
+"62 f5 7c 08 51 ca \tvsqrtph %xmm2,%xmm1",},
+{{0x62, 0xf5, 0x7c, 0x08, 0x51, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 7c 08 51 8c c8 78 56 34 12 \tvsqrtph 0x12345678(%eax,%ecx,8),%xmm1",},
+{{0x62, 0xf5, 0x7c, 0x28, 0x51, 0xca, }, 6, 0, "", "",
+"62 f5 7c 28 51 ca \tvsqrtph %ymm2,%ymm1",},
+{{0x62, 0xf5, 0x7c, 0x28, 0x51, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 7c 28 51 8c c8 78 56 34 12 \tvsqrtph 0x12345678(%eax,%ecx,8),%ymm1",},
+{{0x62, 0xf5, 0x6e, 0x08, 0x51, 0xcb, }, 6, 0, "", "",
+"62 f5 6e 08 51 cb \tvsqrtsh %xmm3,%xmm2,%xmm1",},
+{{0x62, 0xf5, 0x6e, 0x08, 0x51, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 6e 08 51 8c c8 78 56 34 12 \tvsqrtsh 0x12345678(%eax,%ecx,8),%xmm2,%xmm1",},
+{{0x62, 0xf5, 0x6c, 0x48, 0x5c, 0xcb, }, 6, 0, "", "",
+"62 f5 6c 48 5c cb \tvsubph %zmm3,%zmm2,%zmm1",},
+{{0x62, 0xf5, 0x6c, 0x48, 0x5c, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 6c 48 5c 8c c8 78 56 34 12 \tvsubph 0x12345678(%eax,%ecx,8),%zmm2,%zmm1",},
+{{0x62, 0xf5, 0x6c, 0x08, 0x5c, 0xcb, }, 6, 0, "", "",
+"62 f5 6c 08 5c cb \tvsubph %xmm3,%xmm2,%xmm1",},
+{{0x62, 0xf5, 0x6c, 0x08, 0x5c, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 6c 08 5c 8c c8 78 56 34 12 \tvsubph 0x12345678(%eax,%ecx,8),%xmm2,%xmm1",},
+{{0x62, 0xf5, 0x6c, 0x28, 0x5c, 0xcb, }, 6, 0, "", "",
+"62 f5 6c 28 5c cb \tvsubph %ymm3,%ymm2,%ymm1",},
+{{0x62, 0xf5, 0x6c, 0x28, 0x5c, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 6c 28 5c 8c c8 78 56 34 12 \tvsubph 0x12345678(%eax,%ecx,8),%ymm2,%ymm1",},
+{{0x62, 0xf5, 0x6e, 0x08, 0x5c, 0xcb, }, 6, 0, "", "",
+"62 f5 6e 08 5c cb \tvsubsh %xmm3,%xmm2,%xmm1",},
+{{0x62, 0xf5, 0x6e, 0x08, 0x5c, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 6e 08 5c 8c c8 78 56 34 12 \tvsubsh 0x12345678(%eax,%ecx,8),%xmm2,%xmm1",},
+{{0x62, 0xf5, 0x7c, 0x08, 0x2e, 0xca, }, 6, 0, "", "",
+"62 f5 7c 08 2e ca \tvucomish %xmm2,%xmm1",},
+{{0x62, 0xf5, 0x7c, 0x08, 0x2e, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 7c 08 2e 8c c8 78 56 34 12 \tvucomish 0x12345678(%eax,%ecx,8),%xmm1",},
+{{0xf3, 0x0f, 0x38, 0xdc, 0xd1, }, 5, 0, "", "",
+"f3 0f 38 dc d1 \tloadiwkey %xmm1,%xmm2",},
+{{0xf3, 0x0f, 0x38, 0xfa, 0xd0, }, 5, 0, "", "",
+"f3 0f 38 fa d0 \tencodekey128 %eax,%edx",},
+{{0xf3, 0x0f, 0x38, 0xfb, 0xd0, }, 5, 0, "", "",
+"f3 0f 38 fb d0 \tencodekey256 %eax,%edx",},
+{{0xf3, 0x0f, 0x38, 0xdc, 0x5a, 0x77, }, 6, 0, "", "",
+"f3 0f 38 dc 5a 77 \taesenc128kl 0x77(%edx),%xmm3",},
+{{0xf3, 0x0f, 0x38, 0xde, 0x5a, 0x77, }, 6, 0, "", "",
+"f3 0f 38 de 5a 77 \taesenc256kl 0x77(%edx),%xmm3",},
+{{0xf3, 0x0f, 0x38, 0xdd, 0x5a, 0x77, }, 6, 0, "", "",
+"f3 0f 38 dd 5a 77 \taesdec128kl 0x77(%edx),%xmm3",},
+{{0xf3, 0x0f, 0x38, 0xdf, 0x5a, 0x77, }, 6, 0, "", "",
+"f3 0f 38 df 5a 77 \taesdec256kl 0x77(%edx),%xmm3",},
+{{0xf3, 0x0f, 0x38, 0xd8, 0x42, 0x77, }, 6, 0, "", "",
+"f3 0f 38 d8 42 77 \taesencwide128kl 0x77(%edx)",},
+{{0xf3, 0x0f, 0x38, 0xd8, 0x52, 0x77, }, 6, 0, "", "",
+"f3 0f 38 d8 52 77 \taesencwide256kl 0x77(%edx)",},
+{{0xf3, 0x0f, 0x38, 0xd8, 0x4a, 0x77, }, 6, 0, "", "",
+"f3 0f 38 d8 4a 77 \taesdecwide128kl 0x77(%edx)",},
+{{0xf3, 0x0f, 0x38, 0xd8, 0x5a, 0x77, }, 6, 0, "", "",
+"f3 0f 38 d8 5a 77 \taesdecwide256kl 0x77(%edx)",},
+{{0x0f, 0x38, 0xfc, 0x08, }, 4, 0, "", "",
+"0f 38 fc 08 \taadd %ecx,(%eax)",},
+{{0x0f, 0x38, 0xfc, 0x15, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f 38 fc 15 78 56 34 12 \taadd %edx,0x12345678",},
+{{0x0f, 0x38, 0xfc, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"0f 38 fc 94 c8 78 56 34 12 \taadd %edx,0x12345678(%eax,%ecx,8)",},
+{{0x66, 0x0f, 0x38, 0xfc, 0x08, }, 5, 0, "", "",
+"66 0f 38 fc 08 \taand %ecx,(%eax)",},
+{{0x66, 0x0f, 0x38, 0xfc, 0x15, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"66 0f 38 fc 15 78 56 34 12 \taand %edx,0x12345678",},
+{{0x66, 0x0f, 0x38, 0xfc, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"66 0f 38 fc 94 c8 78 56 34 12 \taand %edx,0x12345678(%eax,%ecx,8)",},
+{{0xf2, 0x0f, 0x38, 0xfc, 0x08, }, 5, 0, "", "",
+"f2 0f 38 fc 08 \taor %ecx,(%eax)",},
+{{0xf2, 0x0f, 0x38, 0xfc, 0x15, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f2 0f 38 fc 15 78 56 34 12 \taor %edx,0x12345678",},
+{{0xf2, 0x0f, 0x38, 0xfc, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"f2 0f 38 fc 94 c8 78 56 34 12 \taor %edx,0x12345678(%eax,%ecx,8)",},
+{{0xf3, 0x0f, 0x38, 0xfc, 0x08, }, 5, 0, "", "",
+"f3 0f 38 fc 08 \taxor %ecx,(%eax)",},
+{{0xf3, 0x0f, 0x38, 0xfc, 0x15, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f 38 fc 15 78 56 34 12 \taxor %edx,0x12345678",},
+{{0xf3, 0x0f, 0x38, 0xfc, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"f3 0f 38 fc 94 c8 78 56 34 12 \taxor %edx,0x12345678(%eax,%ecx,8)",},
+{{0xc4, 0xe2, 0x7a, 0xb1, 0x31, }, 5, 0, "", "",
+"c4 e2 7a b1 31 \tvbcstnebf162ps (%ecx),%xmm6",},
+{{0xc4, 0xe2, 0x79, 0xb1, 0x31, }, 5, 0, "", "",
+"c4 e2 79 b1 31 \tvbcstnesh2ps (%ecx),%xmm6",},
+{{0xc4, 0xe2, 0x7a, 0xb0, 0x31, }, 5, 0, "", "",
+"c4 e2 7a b0 31 \tvcvtneebf162ps (%ecx),%xmm6",},
+{{0xc4, 0xe2, 0x79, 0xb0, 0x31, }, 5, 0, "", "",
+"c4 e2 79 b0 31 \tvcvtneeph2ps (%ecx),%xmm6",},
+{{0xc4, 0xe2, 0x7b, 0xb0, 0x31, }, 5, 0, "", "",
+"c4 e2 7b b0 31 \tvcvtneobf162ps (%ecx),%xmm6",},
+{{0xc4, 0xe2, 0x78, 0xb0, 0x31, }, 5, 0, "", "",
+"c4 e2 78 b0 31 \tvcvtneoph2ps (%ecx),%xmm6",},
+{{0x62, 0xf2, 0x7e, 0x08, 0x72, 0xf1, }, 6, 0, "", "",
+"62 f2 7e 08 72 f1 \tvcvtneps2bf16 %xmm1,%xmm6",},
+{{0xc4, 0xe2, 0x6b, 0x50, 0xd9, }, 5, 0, "", "",
+"c4 e2 6b 50 d9 \tvpdpbssd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6b, 0x51, 0xd9, }, 5, 0, "", "",
+"c4 e2 6b 51 d9 \tvpdpbssds %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6a, 0x50, 0xd9, }, 5, 0, "", "",
+"c4 e2 6a 50 d9 \tvpdpbsud %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6a, 0x51, 0xd9, }, 5, 0, "", "",
+"c4 e2 6a 51 d9 \tvpdpbsuds %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x68, 0x50, 0xd9, }, 5, 0, "", "",
+"c4 e2 68 50 d9 \tvpdpbuud %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x68, 0x51, 0xd9, }, 5, 0, "", "",
+"c4 e2 68 51 d9 \tvpdpbuuds %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6a, 0xd2, 0xd9, }, 5, 0, "", "",
+"c4 e2 6a d2 d9 \tvpdpwsud %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6a, 0xd3, 0xd9, }, 5, 0, "", "",
+"c4 e2 6a d3 d9 \tvpdpwsuds %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x69, 0xd2, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 d2 d9 \tvpdpwusd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x69, 0xd3, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 d3 d9 \tvpdpwusds %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x68, 0xd2, 0xd9, }, 5, 0, "", "",
+"c4 e2 68 d2 d9 \tvpdpwuud %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x68, 0xd3, 0xd9, }, 5, 0, "", "",
+"c4 e2 68 d3 d9 \tvpdpwuuds %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x08, 0xb5, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 b5 d9 \tvpmadd52huq %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x08, 0xb4, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 b4 d9 \tvpmadd52luq %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x7f, 0xcc, 0xd1, }, 5, 0, "", "",
+"c4 e2 7f cc d1 \tvsha512msg1 %xmm1,%ymm2",},
+{{0xc4, 0xe2, 0x7f, 0xcd, 0xd1, }, 5, 0, "", "",
+"c4 e2 7f cd d1 \tvsha512msg2 %ymm1,%ymm2",},
+{{0xc4, 0xe2, 0x6f, 0xcb, 0xd9, }, 5, 0, "", "",
+"c4 e2 6f cb d9 \tvsha512rnds2 %xmm1,%ymm2,%ymm3",},
+{{0xc4, 0xe2, 0x68, 0xda, 0xd9, }, 5, 0, "", "",
+"c4 e2 68 da d9 \tvsm3msg1 %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x69, 0xda, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 da d9 \tvsm3msg2 %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe3, 0x69, 0xde, 0xd9, 0xa1, }, 6, 0, "", "",
+"c4 e3 69 de d9 a1 \tvsm3rnds2 $0xa1,%xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6a, 0xda, 0xd9, }, 5, 0, "", "",
+"c4 e2 6a da d9 \tvsm4key4 %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6b, 0xda, 0xd9, }, 5, 0, "", "",
+"c4 e2 6b da d9 \tvsm4rnds4 %xmm1,%xmm2,%xmm3",},
+{{0x0f, 0x0d, 0x00, }, 3, 0, "", "",
+"0f 0d 00 \tprefetch (%eax)",},
+{{0x0f, 0x18, 0x08, }, 3, 0, "", "",
+"0f 18 08 \tprefetcht0 (%eax)",},
+{{0x0f, 0x18, 0x10, }, 3, 0, "", "",
+"0f 18 10 \tprefetcht1 (%eax)",},
+{{0x0f, 0x18, 0x18, }, 3, 0, "", "",
+"0f 18 18 \tprefetcht2 (%eax)",},
+{{0x0f, 0x18, 0x00, }, 3, 0, "", "",
+"0f 18 00 \tprefetchnta (%eax)",},
+{{0x0f, 0x01, 0xc6, }, 3, 0, "", "",
+"0f 01 c6 \twrmsrns",},
+{{0xf3, 0x0f, 0x3a, 0xf0, 0xc0, 0x00, }, 6, 0, "", "",
+"f3 0f 3a f0 c0 00 \threset $0x0",},
+{{0x0f, 0x01, 0xe8, }, 3, 0, "", "",
+"0f 01 e8 \tserialize ",},
+{{0xf2, 0x0f, 0x01, 0xe9, }, 4, 0, "", "",
+"f2 0f 01 e9 \txresldtrk ",},
+{{0xf2, 0x0f, 0x01, 0xe8, }, 4, 0, "", "",
+"f2 0f 01 e8 \txsusldtrk ",},
+{{0x0f, 0x01, 0xcf, }, 3, 0, "", "",
+"0f 01 cf \tencls ",},
+{{0x0f, 0x01, 0xd7, }, 3, 0, "", "",
+"0f 01 d7 \tenclu ",},
+{{0x0f, 0x01, 0xc0, }, 3, 0, "", "",
+"0f 01 c0 \tenclv ",},
+{{0x0f, 0x01, 0xc5, }, 3, 0, "", "",
+"0f 01 c5 \tpconfig ",},
+{{0xf3, 0x0f, 0x09, }, 3, 0, "", "",
+"f3 0f 09 \twbnoinvd ",},
diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-64.c b/tools/perf/arch/x86/tests/insn-x86-dat-64.c
index af25bc8240d0..3881fe89df8b 100644
--- a/tools/perf/arch/x86/tests/insn-x86-dat-64.c
+++ b/tools/perf/arch/x86/tests/insn-x86-dat-64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Generated by gen-insn-x86-dat.sh and gen-insn-x86-dat.awk
* from insn-x86-dat-src.c for inclusion by insn-x86.c
@@ -586,6 +587,112 @@
"62 02 35 07 4f d0 \tvrsqrt14ss %xmm24,%xmm25,%xmm26{%k7}",},
{{0x62, 0x02, 0xb5, 0x07, 0x4f, 0xd0, }, 6, 0, "", "",
"62 02 b5 07 4f d0 \tvrsqrt14sd %xmm24,%xmm25,%xmm26{%k7}",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x50, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 50 d9 \tvpdpbusd %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x50, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 50 d9 \tvpdpbusd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x50, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 50 d9 \tvpdpbusd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x50, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 50 9c c8 78 56 34 12 \tvpdpbusd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0x50, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 50 9c c8 78 56 34 12 \tvpdpbusd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x51, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 51 d9 \tvpdpbusds %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x51, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 51 d9 \tvpdpbusds %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x51, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 51 d9 \tvpdpbusds %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x51, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 51 9c c8 78 56 34 12 \tvpdpbusds 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0x51, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 51 9c c8 78 56 34 12 \tvpdpbusds 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6e, 0x08, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6e 08 52 d9 \tvdpbf16ps %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6e, 0x28, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6e 28 52 d9 \tvdpbf16ps %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6e, 0x48, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6e 48 52 d9 \tvdpbf16ps %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6e, 0x48, 0x52, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6e 48 52 9c c8 78 56 34 12 \tvdpbf16ps 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6e, 0x48, 0x52, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6e 48 52 9c c8 78 56 34 12 \tvdpbf16ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 52 d9 \tvpdpwssd %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 52 d9 \tvpdpwssd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x52, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 52 d9 \tvpdpwssd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x52, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 52 9c c8 78 56 34 12 \tvpdpwssd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0x52, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 52 9c c8 78 56 34 12 \tvpdpwssd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x52, 0x20, }, 6, 0, "", "",
+"62 f2 7f 48 52 20 \tvp4dpwssd (%rax),%zmm0,%zmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x48, 0x52, 0x20, }, 7, 0, "", "",
+"67 62 f2 7f 48 52 20 \tvp4dpwssd (%eax),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x52, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 48 52 a4 c8 78 56 34 12 \tvp4dpwssd 0x12345678(%rax,%rcx,8),%zmm0,%zmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x48, 0x52, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7f 48 52 a4 c8 78 56 34 12 \tvp4dpwssd 0x12345678(%eax,%ecx,8),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x53, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 53 d9 \tvpdpwssds %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x53, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 53 d9 \tvpdpwssds %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x53, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 53 d9 \tvpdpwssds %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x53, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 53 9c c8 78 56 34 12 \tvpdpwssds 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0x53, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 53 9c c8 78 56 34 12 \tvpdpwssds 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x53, 0x20, }, 6, 0, "", "",
+"62 f2 7f 48 53 20 \tvp4dpwssds (%rax),%zmm0,%zmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x48, 0x53, 0x20, }, 7, 0, "", "",
+"67 62 f2 7f 48 53 20 \tvp4dpwssds (%eax),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x53, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 48 53 a4 c8 78 56 34 12 \tvp4dpwssds 0x12345678(%rax,%rcx,8),%zmm0,%zmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x48, 0x53, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7f 48 53 a4 c8 78 56 34 12 \tvp4dpwssds 0x12345678(%eax,%ecx,8),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x7d, 0x08, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 08 54 d1 \tvpopcntb %xmm1,%xmm2",},
+{{0x62, 0xf2, 0x7d, 0x28, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 28 54 d1 \tvpopcntb %ymm1,%ymm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 48 54 d1 \tvpopcntb %zmm1,%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x54, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7d 48 54 94 c8 78 56 34 12 \tvpopcntb 0x12345678(%rax,%rcx,8),%zmm2",},
+{{0x67, 0x62, 0xf2, 0x7d, 0x48, 0x54, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7d 48 54 94 c8 78 56 34 12 \tvpopcntb 0x12345678(%eax,%ecx,8),%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x08, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 08 54 d1 \tvpopcntw %xmm1,%xmm2",},
+{{0x62, 0xf2, 0xfd, 0x28, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 28 54 d1 \tvpopcntw %ymm1,%ymm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x54, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 48 54 d1 \tvpopcntw %zmm1,%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x54, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 fd 48 54 94 c8 78 56 34 12 \tvpopcntw 0x12345678(%rax,%rcx,8),%zmm2",},
+{{0x67, 0x62, 0xf2, 0xfd, 0x48, 0x54, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 fd 48 54 94 c8 78 56 34 12 \tvpopcntw 0x12345678(%eax,%ecx,8),%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x08, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 08 55 d1 \tvpopcntd %xmm1,%xmm2",},
+{{0x62, 0xf2, 0x7d, 0x28, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 28 55 d1 \tvpopcntd %ymm1,%ymm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 48 55 d1 \tvpopcntd %zmm1,%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x55, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7d 48 55 94 c8 78 56 34 12 \tvpopcntd 0x12345678(%rax,%rcx,8),%zmm2",},
+{{0x67, 0x62, 0xf2, 0x7d, 0x48, 0x55, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7d 48 55 94 c8 78 56 34 12 \tvpopcntd 0x12345678(%eax,%ecx,8),%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x08, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 08 55 d1 \tvpopcntq %xmm1,%xmm2",},
+{{0x62, 0xf2, 0xfd, 0x28, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 28 55 d1 \tvpopcntq %ymm1,%ymm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x55, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 48 55 d1 \tvpopcntq %zmm1,%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x55, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 fd 48 55 94 c8 78 56 34 12 \tvpopcntq 0x12345678(%rax,%rcx,8),%zmm2",},
+{{0x67, 0x62, 0xf2, 0xfd, 0x48, 0x55, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 fd 48 55 94 c8 78 56 34 12 \tvpopcntq 0x12345678(%eax,%ecx,8),%zmm2",},
{{0xc4, 0xe2, 0x79, 0x59, 0xf4, }, 5, 0, "", "",
"c4 e2 79 59 f4 \tvpbroadcastq %xmm4,%xmm6",},
{{0x62, 0x02, 0x7d, 0x48, 0x59, 0xd3, }, 6, 0, "", "",
@@ -600,6 +707,46 @@
"62 62 7d 48 5b 21 \tvbroadcasti32x8 (%rcx),%zmm28",},
{{0x62, 0x62, 0xfd, 0x48, 0x5b, 0x11, }, 6, 0, "", "",
"62 62 fd 48 5b 11 \tvbroadcasti64x4 (%rcx),%zmm26",},
+{{0x62, 0xf2, 0x7d, 0x08, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 08 62 d1 \tvpexpandb %xmm1,%xmm2",},
+{{0x62, 0xf2, 0x7d, 0x28, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 28 62 d1 \tvpexpandb %ymm1,%ymm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 7d 48 62 d1 \tvpexpandb %zmm1,%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x62, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7d 48 62 94 c8 78 56 34 12 \tvpexpandb 0x12345678(%rax,%rcx,8),%zmm2",},
+{{0x67, 0x62, 0xf2, 0x7d, 0x48, 0x62, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7d 48 62 94 c8 78 56 34 12 \tvpexpandb 0x12345678(%eax,%ecx,8),%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x08, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 08 62 d1 \tvpexpandw %xmm1,%xmm2",},
+{{0x62, 0xf2, 0xfd, 0x28, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 28 62 d1 \tvpexpandw %ymm1,%ymm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x62, 0xd1, }, 6, 0, "", "",
+"62 f2 fd 48 62 d1 \tvpexpandw %zmm1,%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x62, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 fd 48 62 94 c8 78 56 34 12 \tvpexpandw 0x12345678(%rax,%rcx,8),%zmm2",},
+{{0x67, 0x62, 0xf2, 0xfd, 0x48, 0x62, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 fd 48 62 94 c8 78 56 34 12 \tvpexpandw 0x12345678(%eax,%ecx,8),%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x08, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 7d 08 63 ca \tvpcompressb %xmm1,%xmm2",},
+{{0x62, 0xf2, 0x7d, 0x28, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 7d 28 63 ca \tvpcompressb %ymm1,%ymm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 7d 48 63 ca \tvpcompressb %zmm1,%zmm2",},
+{{0x62, 0xf2, 0x7d, 0x48, 0x63, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7d 48 63 94 c8 78 56 34 12 \tvpcompressb %zmm2,0x12345678(%rax,%rcx,8)",},
+{{0x67, 0x62, 0xf2, 0x7d, 0x48, 0x63, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7d 48 63 94 c8 78 56 34 12 \tvpcompressb %zmm2,0x12345678(%eax,%ecx,8)",},
+{{0x62, 0xf2, 0xfd, 0x08, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 fd 08 63 ca \tvpcompressw %xmm1,%xmm2",},
+{{0x62, 0xf2, 0xfd, 0x28, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 fd 28 63 ca \tvpcompressw %ymm1,%ymm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x63, 0xca, }, 6, 0, "", "",
+"62 f2 fd 48 63 ca \tvpcompressw %zmm1,%zmm2",},
+{{0x62, 0xf2, 0xfd, 0x48, 0x63, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 fd 48 63 94 c8 78 56 34 12 \tvpcompressw %zmm2,0x12345678(%rax,%rcx,8)",},
+{{0x67, 0x62, 0xf2, 0xfd, 0x48, 0x63, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 fd 48 63 94 c8 78 56 34 12 \tvpcompressw %zmm2,0x12345678(%eax,%ecx,8)",},
{{0x62, 0x02, 0x25, 0x40, 0x64, 0xe2, }, 6, 0, "", "",
"62 02 25 40 64 e2 \tvpblendmd %zmm26,%zmm27,%zmm28",},
{{0x62, 0x02, 0xa5, 0x40, 0x64, 0xe2, }, 6, 0, "", "",
@@ -612,6 +759,106 @@
"62 02 25 40 66 e2 \tvpblendmb %zmm26,%zmm27,%zmm28",},
{{0x62, 0x02, 0xa5, 0x40, 0x66, 0xe2, }, 6, 0, "", "",
"62 02 a5 40 66 e2 \tvpblendmw %zmm26,%zmm27,%zmm28",},
+{{0x62, 0xf2, 0x6f, 0x08, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 08 68 d9 \tvp2intersectd %xmm1,%xmm2,%k3",},
+{{0x62, 0xf2, 0x6f, 0x28, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 28 68 d9 \tvp2intersectd %ymm1,%ymm2,%k3",},
+{{0x62, 0xf2, 0x6f, 0x48, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 48 68 d9 \tvp2intersectd %zmm1,%zmm2,%k3",},
+{{0x62, 0xf2, 0x6f, 0x48, 0x68, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6f 48 68 9c c8 78 56 34 12 \tvp2intersectd 0x12345678(%rax,%rcx,8),%zmm2,%k3",},
+{{0x67, 0x62, 0xf2, 0x6f, 0x48, 0x68, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6f 48 68 9c c8 78 56 34 12 \tvp2intersectd 0x12345678(%eax,%ecx,8),%zmm2,%k3",},
+{{0x62, 0xf2, 0xef, 0x08, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 ef 08 68 d9 \tvp2intersectq %xmm1,%xmm2,%k3",},
+{{0x62, 0xf2, 0xef, 0x28, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 ef 28 68 d9 \tvp2intersectq %ymm1,%ymm2,%k3",},
+{{0x62, 0xf2, 0xef, 0x48, 0x68, 0xd9, }, 6, 0, "", "",
+"62 f2 ef 48 68 d9 \tvp2intersectq %zmm1,%zmm2,%k3",},
+{{0x62, 0xf2, 0xef, 0x48, 0x68, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ef 48 68 9c c8 78 56 34 12 \tvp2intersectq 0x12345678(%rax,%rcx,8),%zmm2,%k3",},
+{{0x67, 0x62, 0xf2, 0xef, 0x48, 0x68, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 ef 48 68 9c c8 78 56 34 12 \tvp2intersectq 0x12345678(%eax,%ecx,8),%zmm2,%k3",},
+{{0x62, 0xf2, 0xed, 0x08, 0x70, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 70 d9 \tvpshldvw %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x28, 0x70, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 28 70 d9 \tvpshldvw %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x70, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 70 d9 \tvpshldvw %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x70, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 70 9c c8 78 56 34 12 \tvpshldvw 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0xed, 0x48, 0x70, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 ed 48 70 9c c8 78 56 34 12 \tvpshldvw 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 71 d9 \tvpshldvd %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 71 d9 \tvpshldvd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 71 d9 \tvpshldvd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x71, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 71 9c c8 78 56 34 12 \tvpshldvd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0x71, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 71 9c c8 78 56 34 12 \tvpshldvd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x08, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 71 d9 \tvpshldvq %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x28, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 28 71 d9 \tvpshldvq %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x71, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 71 d9 \tvpshldvq %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x71, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 71 9c c8 78 56 34 12 \tvpshldvq 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0xed, 0x48, 0x71, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 ed 48 71 9c c8 78 56 34 12 \tvpshldvq 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6f, 0x08, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 08 72 d9 \tvcvtne2ps2bf16 %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6f, 0x28, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 28 72 d9 \tvcvtne2ps2bf16 %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6f, 0x48, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 6f 48 72 d9 \tvcvtne2ps2bf16 %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6f, 0x48, 0x72, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6f 48 72 9c c8 78 56 34 12 \tvcvtne2ps2bf16 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6f, 0x48, 0x72, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6f 48 72 9c c8 78 56 34 12 \tvcvtne2ps2bf16 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x7e, 0x08, 0x72, 0xd1, }, 6, 0, "", "",
+"62 f2 7e 08 72 d1 \tvcvtneps2bf16 %xmm1,%xmm2",},
+{{0x62, 0xf2, 0x7e, 0x28, 0x72, 0xd1, }, 6, 0, "", "",
+"62 f2 7e 28 72 d1 \tvcvtneps2bf16 %ymm1,%xmm2",},
+{{0x62, 0xf2, 0x7e, 0x48, 0x72, 0xd1, }, 6, 0, "", "",
+"62 f2 7e 48 72 d1 \tvcvtneps2bf16 %zmm1,%ymm2",},
+{{0x62, 0xf2, 0x7e, 0x48, 0x72, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7e 48 72 94 c8 78 56 34 12 \tvcvtneps2bf16 0x12345678(%rax,%rcx,8),%ymm2",},
+{{0x67, 0x62, 0xf2, 0x7e, 0x48, 0x72, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7e 48 72 94 c8 78 56 34 12 \tvcvtneps2bf16 0x12345678(%eax,%ecx,8),%ymm2",},
+{{0x62, 0xf2, 0xed, 0x08, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 72 d9 \tvpshrdvw %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x28, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 28 72 d9 \tvpshrdvw %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x72, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 72 d9 \tvpshrdvw %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x72, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 72 9c c8 78 56 34 12 \tvpshrdvw 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0xed, 0x48, 0x72, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 ed 48 72 9c c8 78 56 34 12 \tvpshrdvw 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 73 d9 \tvpshrdvd %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 73 d9 \tvpshrdvd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 73 d9 \tvpshrdvd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x73, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 73 9c c8 78 56 34 12 \tvpshrdvd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0x73, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 73 9c c8 78 56 34 12 \tvpshrdvd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x08, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 73 d9 \tvpshrdvq %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x28, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 28 73 d9 \tvpshrdvq %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x73, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 73 d9 \tvpshrdvq %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x73, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 73 9c c8 78 56 34 12 \tvpshrdvq 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0xed, 0x48, 0x73, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 ed 48 73 9c c8 78 56 34 12 \tvpshrdvq 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
{{0x62, 0x02, 0x35, 0x40, 0x75, 0xd0, }, 6, 0, "", "",
"62 02 35 40 75 d0 \tvpermi2b %zmm24,%zmm25,%zmm26",},
{{0x62, 0x02, 0xa5, 0x40, 0x75, 0xe2, }, 6, 0, "", "",
@@ -666,6 +913,16 @@
"62 02 25 40 8d e2 \tvpermb %zmm26,%zmm27,%zmm28",},
{{0x62, 0x02, 0xa5, 0x40, 0x8d, 0xe2, }, 6, 0, "", "",
"62 02 a5 40 8d e2 \tvpermw %zmm26,%zmm27,%zmm28",},
+{{0x62, 0xf2, 0x6d, 0x08, 0x8f, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 08 8f d9 \tvpshufbitqmb %xmm1,%xmm2,%k3",},
+{{0x62, 0xf2, 0x6d, 0x28, 0x8f, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 28 8f d9 \tvpshufbitqmb %ymm1,%ymm2,%k3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x8f, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 8f d9 \tvpshufbitqmb %zmm1,%zmm2,%k3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x8f, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 8f 9c c8 78 56 34 12 \tvpshufbitqmb 0x12345678(%rax,%rcx,8),%zmm2,%k3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0x8f, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 8f 9c c8 78 56 34 12 \tvpshufbitqmb 0x12345678(%eax,%ecx,8),%zmm2,%k3",},
{{0xc4, 0xe2, 0x69, 0x90, 0x4c, 0x7d, 0x02, }, 7, 0, "", "",
"c4 e2 69 90 4c 7d 02 \tvpgatherdd %xmm2,0x2(%rbp,%xmm7,2),%xmm1",},
{{0xc4, 0xe2, 0xe9, 0x90, 0x4c, 0x7d, 0x04, }, 7, 0, "", "",
@@ -682,6 +939,54 @@
"62 22 7d 41 91 94 dd 7b 00 00 00 \tvpgatherqd 0x7b(%rbp,%zmm27,8),%ymm26{%k1}",},
{{0x62, 0x22, 0xfd, 0x41, 0x91, 0x94, 0xdd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "",
"62 22 fd 41 91 94 dd 7b 00 00 00 \tvpgatherqq 0x7b(%rbp,%zmm27,8),%zmm26{%k1}",},
+{{0xc4, 0xe2, 0x69, 0x9a, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 9a d9 \tvfmsub132ps %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0x9a, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d 9a d9 \tvfmsub132ps %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x9a, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 9a d9 \tvfmsub132ps %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0x9a, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 9a 9c c8 78 56 34 12 \tvfmsub132ps 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0x9a, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 9a 9c c8 78 56 34 12 \tvfmsub132ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0xe9, 0x9a, 0xd9, }, 5, 0, "", "",
+"c4 e2 e9 9a d9 \tvfmsub132pd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xed, 0x9a, 0xd9, }, 5, 0, "", "",
+"c4 e2 ed 9a d9 \tvfmsub132pd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x9a, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 9a d9 \tvfmsub132pd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0x9a, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 9a 9c c8 78 56 34 12 \tvfmsub132pd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0xed, 0x48, 0x9a, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 ed 48 9a 9c c8 78 56 34 12 \tvfmsub132pd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x9a, 0x20, }, 6, 0, "", "",
+"62 f2 7f 48 9a 20 \tv4fmaddps (%rax),%zmm0,%zmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x48, 0x9a, 0x20, }, 7, 0, "", "",
+"67 62 f2 7f 48 9a 20 \tv4fmaddps (%eax),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x7f, 0x48, 0x9a, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 48 9a a4 c8 78 56 34 12 \tv4fmaddps 0x12345678(%rax,%rcx,8),%zmm0,%zmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x48, 0x9a, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7f 48 9a a4 c8 78 56 34 12 \tv4fmaddps 0x12345678(%eax,%ecx,8),%zmm0,%zmm4",},
+{{0xc4, 0xe2, 0x69, 0x9b, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 9b d9 \tvfmsub132ss %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x69, 0x9b, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"c4 e2 69 9b 9c c8 78 56 34 12 \tvfmsub132ss 0x12345678(%rax,%rcx,8),%xmm2,%xmm3",},
+{{0x67, 0xc4, 0xe2, 0x69, 0x9b, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"67 c4 e2 69 9b 9c c8 78 56 34 12 \tvfmsub132ss 0x12345678(%eax,%ecx,8),%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xe9, 0x9b, 0xd9, }, 5, 0, "", "",
+"c4 e2 e9 9b d9 \tvfmsub132sd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xe9, 0x9b, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"c4 e2 e9 9b 9c c8 78 56 34 12 \tvfmsub132sd 0x12345678(%rax,%rcx,8),%xmm2,%xmm3",},
+{{0x67, 0xc4, 0xe2, 0xe9, 0x9b, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"67 c4 e2 e9 9b 9c c8 78 56 34 12 \tvfmsub132sd 0x12345678(%eax,%ecx,8),%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x7f, 0x08, 0x9b, 0x20, }, 6, 0, "", "",
+"62 f2 7f 08 9b 20 \tv4fmaddss (%rax),%xmm0,%xmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x08, 0x9b, 0x20, }, 7, 0, "", "",
+"67 62 f2 7f 08 9b 20 \tv4fmaddss (%eax),%xmm0,%xmm4",},
+{{0x62, 0xf2, 0x7f, 0x08, 0x9b, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 08 9b a4 c8 78 56 34 12 \tv4fmaddss 0x12345678(%rax,%rcx,8),%xmm0,%xmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x08, 0x9b, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7f 08 9b a4 c8 78 56 34 12 \tv4fmaddss 0x12345678(%eax,%ecx,8),%xmm0,%xmm4",},
{{0x62, 0x22, 0x7d, 0x41, 0xa0, 0xa4, 0xed, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "",
"62 22 7d 41 a0 a4 ed 7b 00 00 00 \tvpscatterdd %zmm28,0x7b(%rbp,%zmm29,8){%k1}",},
{{0x62, 0x22, 0xfd, 0x41, 0xa0, 0x94, 0xdd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "",
@@ -698,6 +1003,54 @@
"62 b2 7d 41 a3 b4 ed 7b 00 00 00 \tvscatterqps %ymm6,0x7b(%rbp,%zmm29,8){%k1}",},
{{0x62, 0x22, 0xfd, 0x41, 0xa3, 0xa4, 0xed, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "",
"62 22 fd 41 a3 a4 ed 7b 00 00 00 \tvscatterqpd %zmm28,0x7b(%rbp,%zmm29,8){%k1}",},
+{{0xc4, 0xe2, 0x69, 0xaa, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 aa d9 \tvfmsub213ps %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xaa, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d aa d9 \tvfmsub213ps %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xaa, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 aa d9 \tvfmsub213ps %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xaa, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 aa 9c c8 78 56 34 12 \tvfmsub213ps 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0xaa, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 aa 9c c8 78 56 34 12 \tvfmsub213ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0xe9, 0xaa, 0xd9, }, 5, 0, "", "",
+"c4 e2 e9 aa d9 \tvfmsub213pd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xed, 0xaa, 0xd9, }, 5, 0, "", "",
+"c4 e2 ed aa d9 \tvfmsub213pd %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0xaa, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 48 aa d9 \tvfmsub213pd %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0xed, 0x48, 0xaa, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 ed 48 aa 9c c8 78 56 34 12 \tvfmsub213pd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0xed, 0x48, 0xaa, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 ed 48 aa 9c c8 78 56 34 12 \tvfmsub213pd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x7f, 0x48, 0xaa, 0x20, }, 6, 0, "", "",
+"62 f2 7f 48 aa 20 \tv4fnmaddps (%rax),%zmm0,%zmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x48, 0xaa, 0x20, }, 7, 0, "", "",
+"67 62 f2 7f 48 aa 20 \tv4fnmaddps (%eax),%zmm0,%zmm4",},
+{{0x62, 0xf2, 0x7f, 0x48, 0xaa, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 48 aa a4 c8 78 56 34 12 \tv4fnmaddps 0x12345678(%rax,%rcx,8),%zmm0,%zmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x48, 0xaa, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7f 48 aa a4 c8 78 56 34 12 \tv4fnmaddps 0x12345678(%eax,%ecx,8),%zmm0,%zmm4",},
+{{0xc4, 0xe2, 0x69, 0xab, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 ab d9 \tvfmsub213ss %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x69, 0xab, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"c4 e2 69 ab 9c c8 78 56 34 12 \tvfmsub213ss 0x12345678(%rax,%rcx,8),%xmm2,%xmm3",},
+{{0x67, 0xc4, 0xe2, 0x69, 0xab, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"67 c4 e2 69 ab 9c c8 78 56 34 12 \tvfmsub213ss 0x12345678(%eax,%ecx,8),%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xe9, 0xab, 0xd9, }, 5, 0, "", "",
+"c4 e2 e9 ab d9 \tvfmsub213sd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0xe9, 0xab, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"c4 e2 e9 ab 9c c8 78 56 34 12 \tvfmsub213sd 0x12345678(%rax,%rcx,8),%xmm2,%xmm3",},
+{{0x67, 0xc4, 0xe2, 0xe9, 0xab, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"67 c4 e2 e9 ab 9c c8 78 56 34 12 \tvfmsub213sd 0x12345678(%eax,%ecx,8),%xmm2,%xmm3",},
+{{0x62, 0xf2, 0x7f, 0x08, 0xab, 0x20, }, 6, 0, "", "",
+"62 f2 7f 08 ab 20 \tv4fnmaddss (%rax),%xmm0,%xmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x08, 0xab, 0x20, }, 7, 0, "", "",
+"67 62 f2 7f 08 ab 20 \tv4fnmaddss (%eax),%xmm0,%xmm4",},
+{{0x62, 0xf2, 0x7f, 0x08, 0xab, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 7f 08 ab a4 c8 78 56 34 12 \tv4fnmaddss 0x12345678(%rax,%rcx,8),%xmm0,%xmm4",},
+{{0x67, 0x62, 0xf2, 0x7f, 0x08, 0xab, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 7f 08 ab a4 c8 78 56 34 12 \tv4fnmaddss 0x12345678(%eax,%ecx,8),%xmm0,%xmm4",},
{{0x62, 0x02, 0xa5, 0x40, 0xb4, 0xe2, }, 6, 0, "", "",
"62 02 a5 40 b4 e2 \tvpmadd52luq %zmm26,%zmm27,%zmm28",},
{{0x62, 0x02, 0xa5, 0x40, 0xb5, 0xe2, }, 6, 0, "", "",
@@ -726,6 +1079,62 @@
"62 02 15 07 cd f4 \tvrsqrt28ss %xmm28,%xmm29,%xmm30{%k7}",},
{{0x62, 0x02, 0xad, 0x07, 0xcd, 0xd9, }, 6, 0, "", "",
"62 02 ad 07 cd d9 \tvrsqrt28sd %xmm25,%xmm26,%xmm27{%k7}",},
+{{0x66, 0x0f, 0x38, 0xcf, 0xd9, }, 5, 0, "", "",
+"66 0f 38 cf d9 \tgf2p8mulb %xmm1,%xmm3",},
+{{0x66, 0x0f, 0x38, 0xcf, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"66 0f 38 cf 9c c8 78 56 34 12 \tgf2p8mulb 0x12345678(%rax,%rcx,8),%xmm3",},
+{{0x67, 0x66, 0x0f, 0x38, 0xcf, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"67 66 0f 38 cf 9c c8 78 56 34 12 \tgf2p8mulb 0x12345678(%eax,%ecx,8),%xmm3",},
+{{0xc4, 0xe2, 0x69, 0xcf, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 cf d9 \tvgf2p8mulb %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xcf, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d cf d9 \tvgf2p8mulb %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xcf, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 cf d9 \tvgf2p8mulb %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xcf, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 cf 9c c8 78 56 34 12 \tvgf2p8mulb 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0xcf, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 cf 9c c8 78 56 34 12 \tvgf2p8mulb 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0x69, 0xdc, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 dc d9 \tvaesenc %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xdc, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d dc d9 \tvaesenc %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdc, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 dc d9 \tvaesenc %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdc, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 dc 9c c8 78 56 34 12 \tvaesenc 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0xdc, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 dc 9c c8 78 56 34 12 \tvaesenc 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0x69, 0xdd, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 dd d9 \tvaesenclast %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xdd, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d dd d9 \tvaesenclast %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdd, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 dd d9 \tvaesenclast %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdd, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 dd 9c c8 78 56 34 12 \tvaesenclast 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0xdd, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 dd 9c c8 78 56 34 12 \tvaesenclast 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0x69, 0xde, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 de d9 \tvaesdec %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xde, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d de d9 \tvaesdec %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xde, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 de d9 \tvaesdec %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xde, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 de 9c c8 78 56 34 12 \tvaesdec 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0xde, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 de 9c c8 78 56 34 12 \tvaesdec 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
+{{0xc4, 0xe2, 0x69, 0xdf, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 df d9 \tvaesdeclast %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6d, 0xdf, 0xd9, }, 5, 0, "", "",
+"c4 e2 6d df d9 \tvaesdeclast %ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdf, 0xd9, }, 6, 0, "", "",
+"62 f2 6d 48 df d9 \tvaesdeclast %zmm1,%zmm2,%zmm3",},
+{{0x62, 0xf2, 0x6d, 0x48, 0xdf, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f2 6d 48 df 9c c8 78 56 34 12 \tvaesdeclast 0x12345678(%rax,%rcx,8),%zmm2,%zmm3",},
+{{0x67, 0x62, 0xf2, 0x6d, 0x48, 0xdf, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f2 6d 48 df 9c c8 78 56 34 12 \tvaesdeclast 0x12345678(%eax,%ecx,8),%zmm2,%zmm3",},
{{0x62, 0x03, 0x15, 0x40, 0x03, 0xf4, 0x12, }, 7, 0, "", "",
"62 03 15 40 03 f4 12 \tvalignd $0x12,%zmm28,%zmm29,%zmm30",},
{{0x62, 0x03, 0xad, 0x40, 0x03, 0xd9, 0x12, }, 7, 0, "", "",
@@ -826,6 +1235,14 @@
"62 03 2d 40 43 d9 12 \tvshufi32x4 $0x12,%zmm25,%zmm26,%zmm27",},
{{0x62, 0x03, 0x95, 0x40, 0x43, 0xf4, 0x12, }, 7, 0, "", "",
"62 03 95 40 43 f4 12 \tvshufi64x2 $0x12,%zmm28,%zmm29,%zmm30",},
+{{0xc4, 0xe3, 0x69, 0x44, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 69 44 d9 12 \tvpclmulqdq $0x12,%xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe3, 0x6d, 0x44, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 6d 44 d9 12 \tvpclmulqdq $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0x6d, 0x48, 0x44, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 48 44 d9 12 \tvpclmulqdq $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0x03, 0x2d, 0x40, 0x44, 0xd9, 0x12, }, 7, 0, "", "",
+"62 03 2d 40 44 d9 12 \tvpclmulqdq $0x12,%zmm25,%zmm26,%zmm27",},
{{0x62, 0x03, 0x2d, 0x40, 0x50, 0xd9, 0x12, }, 7, 0, "", "",
"62 03 2d 40 50 d9 12 \tvrangeps $0x12,%zmm25,%zmm26,%zmm27",},
{{0x62, 0x03, 0x95, 0x40, 0x50, 0xf4, 0x12, }, 7, 0, "", "",
@@ -858,6 +1275,74 @@
"62 93 7d 08 67 eb 12 \tvfpclassss $0x12,%xmm27,%k5",},
{{0x62, 0x93, 0xfd, 0x08, 0x67, 0xee, 0x12, }, 7, 0, "", "",
"62 93 fd 08 67 ee 12 \tvfpclasssd $0x12,%xmm30,%k5",},
+{{0x62, 0xf3, 0xed, 0x08, 0x70, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 08 70 d9 12 \tvpshldw $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0xed, 0x28, 0x70, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 28 70 d9 12 \tvpshldw $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0x70, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 70 d9 12 \tvpshldw $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0x03, 0xad, 0x40, 0x70, 0xd9, 0x12, }, 7, 0, "", "",
+"62 03 ad 40 70 d9 12 \tvpshldw $0x12,%zmm25,%zmm26,%zmm27",},
+{{0x62, 0xf3, 0x6d, 0x08, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 08 71 d9 12 \tvpshldd $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0x6d, 0x28, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 28 71 d9 12 \tvpshldd $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0x6d, 0x48, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 48 71 d9 12 \tvpshldd $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0x03, 0x2d, 0x40, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 03 2d 40 71 d9 12 \tvpshldd $0x12,%zmm25,%zmm26,%zmm27",},
+{{0x62, 0xf3, 0xed, 0x08, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 08 71 d9 12 \tvpshldq $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0xed, 0x28, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 28 71 d9 12 \tvpshldq $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 71 d9 12 \tvpshldq $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0x03, 0xad, 0x40, 0x71, 0xd9, 0x12, }, 7, 0, "", "",
+"62 03 ad 40 71 d9 12 \tvpshldq $0x12,%zmm25,%zmm26,%zmm27",},
+{{0x62, 0xf3, 0xed, 0x08, 0x72, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 08 72 d9 12 \tvpshrdw $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0xed, 0x28, 0x72, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 28 72 d9 12 \tvpshrdw $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0x72, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 72 d9 12 \tvpshrdw $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0x03, 0xad, 0x40, 0x72, 0xd9, 0x12, }, 7, 0, "", "",
+"62 03 ad 40 72 d9 12 \tvpshrdw $0x12,%zmm25,%zmm26,%zmm27",},
+{{0x62, 0xf3, 0x6d, 0x08, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 08 73 d9 12 \tvpshrdd $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0x6d, 0x28, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 28 73 d9 12 \tvpshrdd $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0x6d, 0x48, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 6d 48 73 d9 12 \tvpshrdd $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0x03, 0x2d, 0x40, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 03 2d 40 73 d9 12 \tvpshrdd $0x12,%zmm25,%zmm26,%zmm27",},
+{{0x62, 0xf3, 0xed, 0x08, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 08 73 d9 12 \tvpshrdq $0x12,%xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf3, 0xed, 0x28, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 28 73 d9 12 \tvpshrdq $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 73 d9 12 \tvpshrdq $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0x03, 0xad, 0x40, 0x73, 0xd9, 0x12, }, 7, 0, "", "",
+"62 03 ad 40 73 d9 12 \tvpshrdq $0x12,%zmm25,%zmm26,%zmm27",},
+{{0x66, 0x0f, 0x3a, 0xce, 0xd9, 0x12, }, 6, 0, "", "",
+"66 0f 3a ce d9 12 \tgf2p8affineqb $0x12,%xmm1,%xmm3",},
+{{0xc4, 0xe3, 0xe9, 0xce, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 e9 ce d9 12 \tvgf2p8affineqb $0x12,%xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe3, 0xed, 0xce, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 ed ce d9 12 \tvgf2p8affineqb $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0xce, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 ce d9 12 \tvgf2p8affineqb $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0x03, 0xad, 0x40, 0xce, 0xd9, 0x12, }, 7, 0, "", "",
+"62 03 ad 40 ce d9 12 \tvgf2p8affineqb $0x12,%zmm25,%zmm26,%zmm27",},
+{{0x66, 0x0f, 0x3a, 0xcf, 0xd9, 0x12, }, 6, 0, "", "",
+"66 0f 3a cf d9 12 \tgf2p8affineinvqb $0x12,%xmm1,%xmm3",},
+{{0xc4, 0xe3, 0xe9, 0xcf, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 e9 cf d9 12 \tvgf2p8affineinvqb $0x12,%xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe3, 0xed, 0xcf, 0xd9, 0x12, }, 6, 0, "", "",
+"c4 e3 ed cf d9 12 \tvgf2p8affineinvqb $0x12,%ymm1,%ymm2,%ymm3",},
+{{0x62, 0xf3, 0xed, 0x48, 0xcf, 0xd9, 0x12, }, 7, 0, "", "",
+"62 f3 ed 48 cf d9 12 \tvgf2p8affineinvqb $0x12,%zmm1,%zmm2,%zmm3",},
+{{0x62, 0x03, 0xad, 0x40, 0xcf, 0xd9, 0x12, }, 7, 0, "", "",
+"62 03 ad 40 cf d9 12 \tvgf2p8affineinvqb $0x12,%zmm25,%zmm26,%zmm27",},
{{0x62, 0x91, 0x2d, 0x40, 0x72, 0xc1, 0x12, }, 7, 0, "", "",
"62 91 2d 40 72 c1 12 \tvprord $0x12,%zmm25,%zmm26",},
{{0x62, 0x91, 0xad, 0x40, 0x72, 0xc1, 0x12, }, 7, 0, "", "",
@@ -1666,6 +2151,16 @@
"41 0f ae 30 \txsaveopt (%r8)",},
{{0x0f, 0xae, 0xf0, }, 3, 0, "", "",
"0f ae f0 \tmfence ",},
+{{0x0f, 0x1c, 0x00, }, 3, 0, "", "",
+"0f 1c 00 \tcldemote (%rax)",},
+{{0x41, 0x0f, 0x1c, 0x00, }, 4, 0, "", "",
+"41 0f 1c 00 \tcldemote (%r8)",},
+{{0x0f, 0x1c, 0x04, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f 1c 04 25 78 56 34 12 \tcldemote 0x12345678",},
+{{0x0f, 0x1c, 0x84, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f 1c 84 c8 78 56 34 12 \tcldemote 0x12345678(%rax,%rcx,8)",},
+{{0x41, 0x0f, 0x1c, 0x84, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"41 0f 1c 84 c8 78 56 34 12 \tcldemote 0x12345678(%r8,%rcx,8)",},
{{0x0f, 0xc7, 0x20, }, 3, 0, "", "",
"0f c7 20 \txsavec (%rax)",},
{{0x41, 0x0f, 0xc7, 0x20, }, 4, 0, "", "",
@@ -1696,3 +2191,2733 @@
"0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%rax,%rcx,8)",},
{{0x41, 0x0f, 0xc7, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
"41 0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%r8,%rcx,8)",},
+{{0xf3, 0x0f, 0xae, 0x20, }, 4, 0, "", "",
+"f3 0f ae 20 \tptwritel (%rax)",},
+{{0xf3, 0x41, 0x0f, 0xae, 0x20, }, 5, 0, "", "",
+"f3 41 0f ae 20 \tptwritel (%r8)",},
+{{0xf3, 0x0f, 0xae, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f ae 24 25 78 56 34 12 \tptwritel 0x12345678",},
+{{0xf3, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%rax,%rcx,8)",},
+{{0xf3, 0x41, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"f3 41 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%r8,%rcx,8)",},
+{{0xf3, 0x0f, 0xae, 0x20, }, 4, 0, "", "",
+"f3 0f ae 20 \tptwritel (%rax)",},
+{{0xf3, 0x41, 0x0f, 0xae, 0x20, }, 5, 0, "", "",
+"f3 41 0f ae 20 \tptwritel (%r8)",},
+{{0xf3, 0x0f, 0xae, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f ae 24 25 78 56 34 12 \tptwritel 0x12345678",},
+{{0xf3, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%rax,%rcx,8)",},
+{{0xf3, 0x41, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"f3 41 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%r8,%rcx,8)",},
+{{0xf3, 0x48, 0x0f, 0xae, 0x20, }, 5, 0, "", "",
+"f3 48 0f ae 20 \tptwriteq (%rax)",},
+{{0xf3, 0x49, 0x0f, 0xae, 0x20, }, 5, 0, "", "",
+"f3 49 0f ae 20 \tptwriteq (%r8)",},
+{{0xf3, 0x48, 0x0f, 0xae, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"f3 48 0f ae 24 25 78 56 34 12 \tptwriteq 0x12345678",},
+{{0xf3, 0x48, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"f3 48 0f ae a4 c8 78 56 34 12 \tptwriteq 0x12345678(%rax,%rcx,8)",},
+{{0xf3, 0x49, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"f3 49 0f ae a4 c8 78 56 34 12 \tptwriteq 0x12345678(%r8,%rcx,8)",},
+{{0x66, 0x0f, 0xae, 0xf3, }, 4, 0, "", "",
+"66 0f ae f3 \ttpause %ebx",},
+{{0x66, 0x41, 0x0f, 0xae, 0xf0, }, 5, 0, "", "",
+"66 41 0f ae f0 \ttpause %r8d",},
+{{0x67, 0xf3, 0x0f, 0xae, 0xf0, }, 5, 0, "", "",
+"67 f3 0f ae f0 \tumonitor %eax",},
+{{0xf3, 0x0f, 0xae, 0xf0, }, 4, 0, "", "",
+"f3 0f ae f0 \tumonitor %rax",},
+{{0x67, 0xf3, 0x41, 0x0f, 0xae, 0xf0, }, 6, 0, "", "",
+"67 f3 41 0f ae f0 \tumonitor %r8d",},
+{{0xf2, 0x0f, 0xae, 0xf0, }, 4, 0, "", "",
+"f2 0f ae f0 \tumwait %eax",},
+{{0xf2, 0x41, 0x0f, 0xae, 0xf0, }, 5, 0, "", "",
+"f2 41 0f ae f0 \tumwait %r8d",},
+{{0x48, 0x0f, 0x38, 0xf9, 0x03, }, 5, 0, "", "",
+"48 0f 38 f9 03 \tmovdiri %rax,(%rbx)",},
+{{0x48, 0x0f, 0x38, 0xf9, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"48 0f 38 f9 88 78 56 34 12 \tmovdiri %rcx,0x12345678(%rax)",},
+{{0x66, 0x0f, 0x38, 0xf8, 0x18, }, 5, 0, "", "",
+"66 0f 38 f8 18 \tmovdir64b (%rax),%rbx",},
+{{0x66, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"66 0f 38 f8 88 78 56 34 12 \tmovdir64b 0x12345678(%rax),%rcx",},
+{{0x67, 0x66, 0x0f, 0x38, 0xf8, 0x18, }, 6, 0, "", "",
+"67 66 0f 38 f8 18 \tmovdir64b (%eax),%ebx",},
+{{0x67, 0x66, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"67 66 0f 38 f8 88 78 56 34 12 \tmovdir64b 0x12345678(%eax),%ecx",},
+{{0xf2, 0x0f, 0x38, 0xf8, 0x18, }, 5, 0, "", "",
+"f2 0f 38 f8 18 \tenqcmd (%rax),%rbx",},
+{{0xf2, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f2 0f 38 f8 88 78 56 34 12 \tenqcmd 0x12345678(%rax),%rcx",},
+{{0x67, 0xf2, 0x0f, 0x38, 0xf8, 0x18, }, 6, 0, "", "",
+"67 f2 0f 38 f8 18 \tenqcmd (%eax),%ebx",},
+{{0x67, 0xf2, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"67 f2 0f 38 f8 88 78 56 34 12 \tenqcmd 0x12345678(%eax),%ecx",},
+{{0xf3, 0x0f, 0x38, 0xf8, 0x18, }, 5, 0, "", "",
+"f3 0f 38 f8 18 \tenqcmds (%rax),%rbx",},
+{{0xf3, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f 38 f8 88 78 56 34 12 \tenqcmds 0x12345678(%rax),%rcx",},
+{{0x67, 0xf3, 0x0f, 0x38, 0xf8, 0x18, }, 6, 0, "", "",
+"67 f3 0f 38 f8 18 \tenqcmds (%eax),%ebx",},
+{{0x67, 0xf3, 0x0f, 0x38, 0xf8, 0x88, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"67 f3 0f 38 f8 88 78 56 34 12 \tenqcmds 0x12345678(%eax),%ecx",},
+{{0xf3, 0x0f, 0xae, 0xe8, }, 4, 0, "", "",
+"f3 0f ae e8 \tincsspd %eax",},
+{{0xf3, 0x41, 0x0f, 0xae, 0xe8, }, 5, 0, "", "",
+"f3 41 0f ae e8 \tincsspd %r8d",},
+{{0xf3, 0x48, 0x0f, 0xae, 0xe8, }, 5, 0, "", "",
+"f3 48 0f ae e8 \tincsspq %rax",},
+{{0xf3, 0x49, 0x0f, 0xae, 0xe8, }, 5, 0, "", "",
+"f3 49 0f ae e8 \tincsspq %r8",},
+{{0x0f, 0xae, 0x28, }, 3, 0, "", "",
+"0f ae 28 \txrstor (%rax)",},
+{{0x41, 0x0f, 0xae, 0x28, }, 4, 0, "", "",
+"41 0f ae 28 \txrstor (%r8)",},
+{{0x0f, 0xae, 0x2c, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f ae 2c 25 78 56 34 12 \txrstor 0x12345678",},
+{{0x0f, 0xae, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "",
+"0f ae ac c8 78 56 34 12 \txrstor 0x12345678(%rax,%rcx,8)",},
+{{0x41, 0x0f, 0xae, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"41 0f ae ac c8 78 56 34 12 \txrstor 0x12345678(%r8,%rcx,8)",},
+{{0x0f, 0xae, 0xe8, }, 3, 0, "", "",
+"0f ae e8 \tlfence ",},
+{{0xf3, 0x0f, 0x1e, 0xc8, }, 4, 0, "", "",
+"f3 0f 1e c8 \trdsspd %eax",},
+{{0xf3, 0x41, 0x0f, 0x1e, 0xc8, }, 5, 0, "", "",
+"f3 41 0f 1e c8 \trdsspd %r8d",},
+{{0xf3, 0x48, 0x0f, 0x1e, 0xc8, }, 5, 0, "", "",
+"f3 48 0f 1e c8 \trdsspq %rax",},
+{{0xf3, 0x49, 0x0f, 0x1e, 0xc8, }, 5, 0, "", "",
+"f3 49 0f 1e c8 \trdsspq %r8",},
+{{0xf3, 0x0f, 0x01, 0xea, }, 4, 0, "", "",
+"f3 0f 01 ea \tsaveprevssp ",},
+{{0xf3, 0x0f, 0x01, 0x28, }, 4, 0, "", "",
+"f3 0f 01 28 \trstorssp (%rax)",},
+{{0xf3, 0x41, 0x0f, 0x01, 0x28, }, 5, 0, "", "",
+"f3 41 0f 01 28 \trstorssp (%r8)",},
+{{0xf3, 0x0f, 0x01, 0x2c, 0x25, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f 01 2c 25 78 56 34 12 \trstorssp 0x12345678",},
+{{0xf3, 0x0f, 0x01, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f 01 ac c8 78 56 34 12 \trstorssp 0x12345678(%rax,%rcx,8)",},
+{{0xf3, 0x41, 0x0f, 0x01, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"f3 41 0f 01 ac c8 78 56 34 12 \trstorssp 0x12345678(%r8,%rcx,8)",},
+{{0x0f, 0x38, 0xf6, 0x08, }, 4, 0, "", "",
+"0f 38 f6 08 \twrssd %ecx,(%rax)",},
+{{0x41, 0x0f, 0x38, 0xf6, 0x10, }, 5, 0, "", "",
+"41 0f 38 f6 10 \twrssd %edx,(%r8)",},
+{{0x0f, 0x38, 0xf6, 0x14, 0x25, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"0f 38 f6 14 25 78 56 34 12 \twrssd %edx,0x12345678",},
+{{0x0f, 0x38, 0xf6, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"0f 38 f6 94 c8 78 56 34 12 \twrssd %edx,0x12345678(%rax,%rcx,8)",},
+{{0x41, 0x0f, 0x38, 0xf6, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"41 0f 38 f6 94 c8 78 56 34 12 \twrssd %edx,0x12345678(%r8,%rcx,8)",},
+{{0x48, 0x0f, 0x38, 0xf6, 0x08, }, 5, 0, "", "",
+"48 0f 38 f6 08 \twrssq %rcx,(%rax)",},
+{{0x49, 0x0f, 0x38, 0xf6, 0x10, }, 5, 0, "", "",
+"49 0f 38 f6 10 \twrssq %rdx,(%r8)",},
+{{0x48, 0x0f, 0x38, 0xf6, 0x14, 0x25, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"48 0f 38 f6 14 25 78 56 34 12 \twrssq %rdx,0x12345678",},
+{{0x48, 0x0f, 0x38, 0xf6, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"48 0f 38 f6 94 c8 78 56 34 12 \twrssq %rdx,0x12345678(%rax,%rcx,8)",},
+{{0x49, 0x0f, 0x38, 0xf6, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"49 0f 38 f6 94 c8 78 56 34 12 \twrssq %rdx,0x12345678(%r8,%rcx,8)",},
+{{0x66, 0x0f, 0x38, 0xf5, 0x08, }, 5, 0, "", "",
+"66 0f 38 f5 08 \twrussd %ecx,(%rax)",},
+{{0x66, 0x41, 0x0f, 0x38, 0xf5, 0x10, }, 6, 0, "", "",
+"66 41 0f 38 f5 10 \twrussd %edx,(%r8)",},
+{{0x66, 0x0f, 0x38, 0xf5, 0x14, 0x25, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"66 0f 38 f5 14 25 78 56 34 12 \twrussd %edx,0x12345678",},
+{{0x66, 0x0f, 0x38, 0xf5, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"66 0f 38 f5 94 c8 78 56 34 12 \twrussd %edx,0x12345678(%rax,%rcx,8)",},
+{{0x66, 0x41, 0x0f, 0x38, 0xf5, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"66 41 0f 38 f5 94 c8 78 56 34 12 \twrussd %edx,0x12345678(%r8,%rcx,8)",},
+{{0x66, 0x48, 0x0f, 0x38, 0xf5, 0x08, }, 6, 0, "", "",
+"66 48 0f 38 f5 08 \twrussq %rcx,(%rax)",},
+{{0x66, 0x49, 0x0f, 0x38, 0xf5, 0x10, }, 6, 0, "", "",
+"66 49 0f 38 f5 10 \twrussq %rdx,(%r8)",},
+{{0x66, 0x48, 0x0f, 0x38, 0xf5, 0x14, 0x25, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"66 48 0f 38 f5 14 25 78 56 34 12 \twrussq %rdx,0x12345678",},
+{{0x66, 0x48, 0x0f, 0x38, 0xf5, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"66 48 0f 38 f5 94 c8 78 56 34 12 \twrussq %rdx,0x12345678(%rax,%rcx,8)",},
+{{0x66, 0x49, 0x0f, 0x38, 0xf5, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"66 49 0f 38 f5 94 c8 78 56 34 12 \twrussq %rdx,0x12345678(%r8,%rcx,8)",},
+{{0xf3, 0x0f, 0x01, 0xe8, }, 4, 0, "", "",
+"f3 0f 01 e8 \tsetssbsy ",},
+{{0x0f, 0x01, 0xee, }, 3, 0, "", "",
+"0f 01 ee \trdpkru ",},
+{{0x0f, 0x01, 0xef, }, 3, 0, "", "",
+"0f 01 ef \twrpkru ",},
+{{0xf3, 0x0f, 0xae, 0x30, }, 4, 0, "", "",
+"f3 0f ae 30 \tclrssbsy (%rax)",},
+{{0xf3, 0x41, 0x0f, 0xae, 0x30, }, 5, 0, "", "",
+"f3 41 0f ae 30 \tclrssbsy (%r8)",},
+{{0xf3, 0x0f, 0xae, 0x34, 0x25, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f ae 34 25 78 56 34 12 \tclrssbsy 0x12345678",},
+{{0xf3, 0x0f, 0xae, 0xb4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "",
+"f3 0f ae b4 c8 78 56 34 12 \tclrssbsy 0x12345678(%rax,%rcx,8)",},
+{{0xf3, 0x41, 0x0f, 0xae, 0xb4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "",
+"f3 41 0f ae b4 c8 78 56 34 12 \tclrssbsy 0x12345678(%r8,%rcx,8)",},
+{{0xf3, 0x0f, 0x1e, 0xfb, }, 4, 0, "", "",
+"f3 0f 1e fb \tendbr32 ",},
+{{0xf3, 0x0f, 0x1e, 0xfa, }, 4, 0, "", "",
+"f3 0f 1e fa \tendbr64 ",},
+{{0xff, 0xd0, }, 2, 0, "call", "indirect",
+"ff d0 \tcallq *%rax",},
+{{0xff, 0x10, }, 2, 0, "call", "indirect",
+"ff 10 \tcallq *(%rax)",},
+{{0x41, 0xff, 0x10, }, 3, 0, "call", "indirect",
+"41 ff 10 \tcallq *(%r8)",},
+{{0xff, 0x14, 0x25, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "call", "indirect",
+"ff 14 25 78 56 34 12 \tcallq *0x12345678",},
+{{0xff, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "call", "indirect",
+"ff 94 c8 78 56 34 12 \tcallq *0x12345678(%rax,%rcx,8)",},
+{{0x41, 0xff, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "call", "indirect",
+"41 ff 94 c8 78 56 34 12 \tcallq *0x12345678(%r8,%rcx,8)",},
+{{0xf2, 0xff, 0xd0, }, 3, 0, "call", "indirect",
+"f2 ff d0 \tbnd callq *%rax",},
+{{0xf2, 0xff, 0x10, }, 3, 0, "call", "indirect",
+"f2 ff 10 \tbnd callq *(%rax)",},
+{{0xf2, 0x41, 0xff, 0x10, }, 4, 0, "call", "indirect",
+"f2 41 ff 10 \tbnd callq *(%r8)",},
+{{0xf2, 0xff, 0x14, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "call", "indirect",
+"f2 ff 14 25 78 56 34 12 \tbnd callq *0x12345678",},
+{{0xf2, 0xff, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "call", "indirect",
+"f2 ff 94 c8 78 56 34 12 \tbnd callq *0x12345678(%rax,%rcx,8)",},
+{{0xf2, 0x41, 0xff, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "call", "indirect",
+"f2 41 ff 94 c8 78 56 34 12 \tbnd callq *0x12345678(%r8,%rcx,8)",},
+{{0x3e, 0xff, 0xd0, }, 3, 0, "call", "indirect",
+"3e ff d0 \tnotrack callq *%rax",},
+{{0x3e, 0xff, 0x10, }, 3, 0, "call", "indirect",
+"3e ff 10 \tnotrack callq *(%rax)",},
+{{0x3e, 0x41, 0xff, 0x10, }, 4, 0, "call", "indirect",
+"3e 41 ff 10 \tnotrack callq *(%r8)",},
+{{0x3e, 0xff, 0x14, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "call", "indirect",
+"3e ff 14 25 78 56 34 12 \tnotrack callq *0x12345678",},
+{{0x3e, 0xff, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "call", "indirect",
+"3e ff 94 c8 78 56 34 12 \tnotrack callq *0x12345678(%rax,%rcx,8)",},
+{{0x3e, 0x41, 0xff, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "call", "indirect",
+"3e 41 ff 94 c8 78 56 34 12 \tnotrack callq *0x12345678(%r8,%rcx,8)",},
+{{0x3e, 0xf2, 0xff, 0xd0, }, 4, 0, "call", "indirect",
+"3e f2 ff d0 \tnotrack bnd callq *%rax",},
+{{0x3e, 0xf2, 0xff, 0x10, }, 4, 0, "call", "indirect",
+"3e f2 ff 10 \tnotrack bnd callq *(%rax)",},
+{{0x3e, 0xf2, 0x41, 0xff, 0x10, }, 5, 0, "call", "indirect",
+"3e f2 41 ff 10 \tnotrack bnd callq *(%r8)",},
+{{0x3e, 0xf2, 0xff, 0x14, 0x25, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "call", "indirect",
+"3e f2 ff 14 25 78 56 34 12 \tnotrack bnd callq *0x12345678",},
+{{0x3e, 0xf2, 0xff, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "call", "indirect",
+"3e f2 ff 94 c8 78 56 34 12 \tnotrack bnd callq *0x12345678(%rax,%rcx,8)",},
+{{0x3e, 0xf2, 0x41, 0xff, 0x94, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "call", "indirect",
+"3e f2 41 ff 94 c8 78 56 34 12 \tnotrack bnd callq *0x12345678(%r8,%rcx,8)",},
+{{0xff, 0xe0, }, 2, 0, "jmp", "indirect",
+"ff e0 \tjmpq *%rax",},
+{{0xff, 0x20, }, 2, 0, "jmp", "indirect",
+"ff 20 \tjmpq *(%rax)",},
+{{0x41, 0xff, 0x20, }, 3, 0, "jmp", "indirect",
+"41 ff 20 \tjmpq *(%r8)",},
+{{0xff, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "jmp", "indirect",
+"ff 24 25 78 56 34 12 \tjmpq *0x12345678",},
+{{0xff, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "jmp", "indirect",
+"ff a4 c8 78 56 34 12 \tjmpq *0x12345678(%rax,%rcx,8)",},
+{{0x41, 0xff, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "jmp", "indirect",
+"41 ff a4 c8 78 56 34 12 \tjmpq *0x12345678(%r8,%rcx,8)",},
+{{0xf2, 0xff, 0xe0, }, 3, 0, "jmp", "indirect",
+"f2 ff e0 \tbnd jmpq *%rax",},
+{{0xf2, 0xff, 0x20, }, 3, 0, "jmp", "indirect",
+"f2 ff 20 \tbnd jmpq *(%rax)",},
+{{0xf2, 0x41, 0xff, 0x20, }, 4, 0, "jmp", "indirect",
+"f2 41 ff 20 \tbnd jmpq *(%r8)",},
+{{0xf2, 0xff, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "jmp", "indirect",
+"f2 ff 24 25 78 56 34 12 \tbnd jmpq *0x12345678",},
+{{0xf2, 0xff, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "jmp", "indirect",
+"f2 ff a4 c8 78 56 34 12 \tbnd jmpq *0x12345678(%rax,%rcx,8)",},
+{{0xf2, 0x41, 0xff, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "jmp", "indirect",
+"f2 41 ff a4 c8 78 56 34 12 \tbnd jmpq *0x12345678(%r8,%rcx,8)",},
+{{0x3e, 0xff, 0xe0, }, 3, 0, "jmp", "indirect",
+"3e ff e0 \tnotrack jmpq *%rax",},
+{{0x3e, 0xff, 0x20, }, 3, 0, "jmp", "indirect",
+"3e ff 20 \tnotrack jmpq *(%rax)",},
+{{0x3e, 0x41, 0xff, 0x20, }, 4, 0, "jmp", "indirect",
+"3e 41 ff 20 \tnotrack jmpq *(%r8)",},
+{{0x3e, 0xff, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "jmp", "indirect",
+"3e ff 24 25 78 56 34 12 \tnotrack jmpq *0x12345678",},
+{{0x3e, 0xff, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "jmp", "indirect",
+"3e ff a4 c8 78 56 34 12 \tnotrack jmpq *0x12345678(%rax,%rcx,8)",},
+{{0x3e, 0x41, 0xff, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "jmp", "indirect",
+"3e 41 ff a4 c8 78 56 34 12 \tnotrack jmpq *0x12345678(%r8,%rcx,8)",},
+{{0x3e, 0xf2, 0xff, 0xe0, }, 4, 0, "jmp", "indirect",
+"3e f2 ff e0 \tnotrack bnd jmpq *%rax",},
+{{0x3e, 0xf2, 0xff, 0x20, }, 4, 0, "jmp", "indirect",
+"3e f2 ff 20 \tnotrack bnd jmpq *(%rax)",},
+{{0x3e, 0xf2, 0x41, 0xff, 0x20, }, 5, 0, "jmp", "indirect",
+"3e f2 41 ff 20 \tnotrack bnd jmpq *(%r8)",},
+{{0x3e, 0xf2, 0xff, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "jmp", "indirect",
+"3e f2 ff 24 25 78 56 34 12 \tnotrack bnd jmpq *0x12345678",},
+{{0x3e, 0xf2, 0xff, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "jmp", "indirect",
+"3e f2 ff a4 c8 78 56 34 12 \tnotrack bnd jmpq *0x12345678(%rax,%rcx,8)",},
+{{0x3e, 0xf2, 0x41, 0xff, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "jmp", "indirect",
+"3e f2 41 ff a4 c8 78 56 34 12 \tnotrack bnd jmpq *0x12345678(%r8,%rcx,8)",},
+{{0xc4, 0xe2, 0x78, 0x49, 0x04, 0xc8, }, 6, 0, "", "",
+"c4 e2 78 49 04 c8 \tldtilecfg (%rax,%rcx,8)",},
+{{0xc4, 0xc2, 0x78, 0x49, 0x04, 0xc8, }, 6, 0, "", "",
+"c4 c2 78 49 04 c8 \tldtilecfg (%r8,%rcx,8)",},
+{{0xc4, 0xe2, 0x79, 0x49, 0x04, 0xc8, }, 6, 0, "", "",
+"c4 e2 79 49 04 c8 \tsttilecfg (%rax,%rcx,8)",},
+{{0xc4, 0xc2, 0x79, 0x49, 0x04, 0xc8, }, 6, 0, "", "",
+"c4 c2 79 49 04 c8 \tsttilecfg (%r8,%rcx,8)",},
+{{0xc4, 0xe2, 0x7a, 0x5c, 0xd1, }, 5, 0, "", "",
+"c4 e2 7a 5c d1 \ttdpbf16ps %tmm0,%tmm1,%tmm2",},
+{{0xc4, 0xe2, 0x7b, 0x5e, 0xd1, }, 5, 0, "", "",
+"c4 e2 7b 5e d1 \ttdpbssd %tmm0,%tmm1,%tmm2",},
+{{0xc4, 0xe2, 0x7a, 0x5e, 0xd1, }, 5, 0, "", "",
+"c4 e2 7a 5e d1 \ttdpbsud %tmm0,%tmm1,%tmm2",},
+{{0xc4, 0xe2, 0x79, 0x5e, 0xd1, }, 5, 0, "", "",
+"c4 e2 79 5e d1 \ttdpbusd %tmm0,%tmm1,%tmm2",},
+{{0xc4, 0xe2, 0x78, 0x5e, 0xd1, }, 5, 0, "", "",
+"c4 e2 78 5e d1 \ttdpbuud %tmm0,%tmm1,%tmm2",},
+{{0xc4, 0xe2, 0x7b, 0x4b, 0x0c, 0xc8, }, 6, 0, "", "",
+"c4 e2 7b 4b 0c c8 \ttileloadd (%rax,%rcx,8),%tmm1",},
+{{0xc4, 0xc2, 0x7b, 0x4b, 0x14, 0xc8, }, 6, 0, "", "",
+"c4 c2 7b 4b 14 c8 \ttileloadd (%r8,%rcx,8),%tmm2",},
+{{0xc4, 0xe2, 0x79, 0x4b, 0x0c, 0xc8, }, 6, 0, "", "",
+"c4 e2 79 4b 0c c8 \ttileloaddt1 (%rax,%rcx,8),%tmm1",},
+{{0xc4, 0xc2, 0x79, 0x4b, 0x14, 0xc8, }, 6, 0, "", "",
+"c4 c2 79 4b 14 c8 \ttileloaddt1 (%r8,%rcx,8),%tmm2",},
+{{0xc4, 0xe2, 0x78, 0x49, 0xc0, }, 5, 0, "", "",
+"c4 e2 78 49 c0 \ttilerelease ",},
+{{0xc4, 0xe2, 0x7a, 0x4b, 0x0c, 0xc8, }, 6, 0, "", "",
+"c4 e2 7a 4b 0c c8 \ttilestored %tmm1,(%rax,%rcx,8)",},
+{{0xc4, 0xc2, 0x7a, 0x4b, 0x14, 0xc8, }, 6, 0, "", "",
+"c4 c2 7a 4b 14 c8 \ttilestored %tmm2,(%r8,%rcx,8)",},
+{{0xc4, 0xe2, 0x7b, 0x49, 0xc0, }, 5, 0, "", "",
+"c4 e2 7b 49 c0 \ttilezero %tmm0",},
+{{0xc4, 0xe2, 0x7b, 0x49, 0xf8, }, 5, 0, "", "",
+"c4 e2 7b 49 f8 \ttilezero %tmm7",},
+{{0xf3, 0x0f, 0x01, 0xee, }, 4, 0, "", "",
+"f3 0f 01 ee \tclui ",},
+{{0xf3, 0x0f, 0xc7, 0xf0, }, 4, 0, "", "",
+"f3 0f c7 f0 \tsenduipi %rax",},
+{{0xf3, 0x41, 0x0f, 0xc7, 0xf0, }, 5, 0, "", "",
+"f3 41 0f c7 f0 \tsenduipi %r8",},
+{{0xf3, 0x0f, 0x01, 0xef, }, 4, 0, "", "",
+"f3 0f 01 ef \tstui ",},
+{{0xf3, 0x0f, 0x01, 0xed, }, 4, 0, "", "",
+"f3 0f 01 ed \ttestui ",},
+{{0xf3, 0x0f, 0x01, 0xec, }, 4, 0, "", "",
+"f3 0f 01 ec \tuiret ",},
+{{0x62, 0xf5, 0x6c, 0x48, 0x58, 0xcb, }, 6, 0, "", "",
+"62 f5 6c 48 58 cb \tvaddph %zmm3,%zmm2,%zmm1",},
+{{0x62, 0xf5, 0x6c, 0x48, 0x58, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 6c 48 58 8c c8 78 56 34 12 \tvaddph 0x12345678(%rax,%rcx,8),%zmm2,%zmm1",},
+{{0x67, 0x62, 0xf5, 0x6c, 0x48, 0x58, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f5 6c 48 58 8c c8 78 56 34 12 \tvaddph 0x12345678(%eax,%ecx,8),%zmm2,%zmm1",},
+{{0x62, 0xf5, 0x6c, 0x08, 0x58, 0xcb, }, 6, 0, "", "",
+"62 f5 6c 08 58 cb \tvaddph %xmm3,%xmm2,%xmm1",},
+{{0x62, 0xf5, 0x6c, 0x08, 0x58, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 6c 08 58 8c c8 78 56 34 12 \tvaddph 0x12345678(%rax,%rcx,8),%xmm2,%xmm1",},
+{{0x67, 0x62, 0xf5, 0x6c, 0x08, 0x58, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f5 6c 08 58 8c c8 78 56 34 12 \tvaddph 0x12345678(%eax,%ecx,8),%xmm2,%xmm1",},
+{{0x62, 0xf5, 0x6c, 0x28, 0x58, 0xcb, }, 6, 0, "", "",
+"62 f5 6c 28 58 cb \tvaddph %ymm3,%ymm2,%ymm1",},
+{{0x62, 0xf5, 0x6c, 0x28, 0x58, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 6c 28 58 8c c8 78 56 34 12 \tvaddph 0x12345678(%rax,%rcx,8),%ymm2,%ymm1",},
+{{0x67, 0x62, 0xf5, 0x6c, 0x28, 0x58, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f5 6c 28 58 8c c8 78 56 34 12 \tvaddph 0x12345678(%eax,%ecx,8),%ymm2,%ymm1",},
+{{0x62, 0xf5, 0x6e, 0x08, 0x58, 0xcb, }, 6, 0, "", "",
+"62 f5 6e 08 58 cb \tvaddsh %xmm3,%xmm2,%xmm1",},
+{{0x62, 0xf5, 0x6e, 0x08, 0x58, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "", "",
+"62 f5 6e 08 58 8c c8 78 56 34 12 \tvaddsh 0x12345678(%rax,%rcx,8),%xmm2,%xmm1",},
+{{0x67, 0x62, 0xf5, 0x6e, 0x08, 0x58, 0x8c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 12, 0, "", "",
+"67 62 f5 6e 08 58 8c c8 78 56 34 12 \tvaddsh 0x12345678(%eax,%ecx,8),%xmm2,%xmm1",},
+{{0x62, 0xf3, 0x6c, 0x48, 0xc2, 0xeb, 0x12, }, 7, 0, "", "",
+"62 f3 6c 48 c2 eb 12 \tvcmple_oqph %zmm3,%zmm2,%k5",},
+{{0x62, 0xf3, 0x6c, 0x48, 0xc2, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, 0x12, }, 12, 0, "", "",
+"62 f3 6c 48 c2 ac c8 78 56 34 12 12 \tvcmple_oqph 0x12345678(%rax,%rcx,8),%zmm2,%k5",},
+{{0x67, 0x62, 0xf3, 0x6c, 0x48, 0xc2, 0xac, 0xc8, 0x78, 0x56, 0x34, 0x12, 0x12, }, 13, 0, "", "",
+"67 62 f3 6c 48 c2 ac c8 78 56 34 12 12 \tvcmple_oqph 0x12345678(%eax,%ecx,8),%zmm2,%k5",},
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+"f3 49 0f 38 fc 94 c8 78 56 34 12 \taxor %rdx,0x12345678(%r8,%rcx,8)",},
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+"c4 c2 61 e6 09 \tcmpbexadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xe2, 0x09, }, 5, 0, "", "",
+"c4 c2 61 e2 09 \tcmpbxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xee, 0x09, }, 5, 0, "", "",
+"c4 c2 61 ee 09 \tcmplexadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xec, 0x09, }, 5, 0, "", "",
+"c4 c2 61 ec 09 \tcmplxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xe7, 0x09, }, 5, 0, "", "",
+"c4 c2 61 e7 09 \tcmpnbexadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xe3, 0x09, }, 5, 0, "", "",
+"c4 c2 61 e3 09 \tcmpnbxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xef, 0x09, }, 5, 0, "", "",
+"c4 c2 61 ef 09 \tcmpnlexadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xed, 0x09, }, 5, 0, "", "",
+"c4 c2 61 ed 09 \tcmpnlxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xe1, 0x09, }, 5, 0, "", "",
+"c4 c2 61 e1 09 \tcmpnoxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xeb, 0x09, }, 5, 0, "", "",
+"c4 c2 61 eb 09 \tcmpnpxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xe9, 0x09, }, 5, 0, "", "",
+"c4 c2 61 e9 09 \tcmpnsxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xe5, 0x09, }, 5, 0, "", "",
+"c4 c2 61 e5 09 \tcmpnzxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xe0, 0x09, }, 5, 0, "", "",
+"c4 c2 61 e0 09 \tcmpoxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xea, 0x09, }, 5, 0, "", "",
+"c4 c2 61 ea 09 \tcmppxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xe8, 0x09, }, 5, 0, "", "",
+"c4 c2 61 e8 09 \tcmpsxadd %ebx,%ecx,(%r9)",},
+{{0xc4, 0xc2, 0x61, 0xe4, 0x09, }, 5, 0, "", "",
+"c4 c2 61 e4 09 \tcmpzxadd %ebx,%ecx,(%r9)",},
+{{0x0f, 0x0d, 0x00, }, 3, 0, "", "",
+"0f 0d 00 \tprefetch (%rax)",},
+{{0x0f, 0x18, 0x08, }, 3, 0, "", "",
+"0f 18 08 \tprefetcht0 (%rax)",},
+{{0x0f, 0x18, 0x10, }, 3, 0, "", "",
+"0f 18 10 \tprefetcht1 (%rax)",},
+{{0x0f, 0x18, 0x18, }, 3, 0, "", "",
+"0f 18 18 \tprefetcht2 (%rax)",},
+{{0x0f, 0x18, 0x00, }, 3, 0, "", "",
+"0f 18 00 \tprefetchnta (%rax)",},
+{{0x0f, 0x18, 0x3d, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
+"0f 18 3d 78 56 34 12 \tprefetchit0 0x12345678(%rip) # 1234924e <main+0x1234924e>",},
+{{0x0f, 0x18, 0x35, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "",
+"0f 18 35 78 56 34 12 \tprefetchit1 0x12345678(%rip) # 12349255 <main+0x12349255>",},
+{{0xf2, 0x0f, 0x01, 0xc6, }, 4, 0, "", "",
+"f2 0f 01 c6 \trdmsrlist",},
+{{0xf3, 0x0f, 0x01, 0xc6, }, 4, 0, "", "",
+"f3 0f 01 c6 \twrmsrlist",},
+{{0xf2, 0x0f, 0x38, 0xf8, 0xd0, }, 5, 0, "", "",
+"f2 0f 38 f8 d0 \turdmsr %rdx,%rax",},
+{{0x62, 0xfc, 0x7f, 0x08, 0xf8, 0xd6, }, 6, 0, "", "",
+"62 fc 7f 08 f8 d6 \turdmsr %rdx,%r22",},
+{{0xc4, 0xc7, 0x7b, 0xf8, 0xc4, 0x7f, 0x00, 0x00, 0x00, }, 9, 0, "", "",
+"c4 c7 7b f8 c4 7f 00 00 00 \turdmsr $0x7f,%r12",},
+{{0xf3, 0x0f, 0x38, 0xf8, 0xd0, }, 5, 0, "", "",
+"f3 0f 38 f8 d0 \tuwrmsr %rax,%rdx",},
+{{0x62, 0xfc, 0x7e, 0x08, 0xf8, 0xd6, }, 6, 0, "", "",
+"62 fc 7e 08 f8 d6 \tuwrmsr %r22,%rdx",},
+{{0xc4, 0xc7, 0x7a, 0xf8, 0xc4, 0x7f, 0x00, 0x00, 0x00, }, 9, 0, "", "",
+"c4 c7 7a f8 c4 7f 00 00 00 \tuwrmsr %r12,$0x7f",},
+{{0xc4, 0xe2, 0x7a, 0xb1, 0x31, }, 5, 0, "", "",
+"c4 e2 7a b1 31 \tvbcstnebf162ps (%rcx),%xmm6",},
+{{0xc4, 0xe2, 0x79, 0xb1, 0x31, }, 5, 0, "", "",
+"c4 e2 79 b1 31 \tvbcstnesh2ps (%rcx),%xmm6",},
+{{0xc4, 0xe2, 0x7a, 0xb0, 0x31, }, 5, 0, "", "",
+"c4 e2 7a b0 31 \tvcvtneebf162ps (%rcx),%xmm6",},
+{{0xc4, 0xe2, 0x79, 0xb0, 0x31, }, 5, 0, "", "",
+"c4 e2 79 b0 31 \tvcvtneeph2ps (%rcx),%xmm6",},
+{{0xc4, 0xe2, 0x7b, 0xb0, 0x31, }, 5, 0, "", "",
+"c4 e2 7b b0 31 \tvcvtneobf162ps (%rcx),%xmm6",},
+{{0xc4, 0xe2, 0x78, 0xb0, 0x31, }, 5, 0, "", "",
+"c4 e2 78 b0 31 \tvcvtneoph2ps (%rcx),%xmm6",},
+{{0x62, 0xf2, 0x7e, 0x08, 0x72, 0xf1, }, 6, 0, "", "",
+"62 f2 7e 08 72 f1 \tvcvtneps2bf16 %xmm1,%xmm6",},
+{{0xf2, 0x0f, 0x01, 0xca, }, 4, 0, "erets", "indirect",
+"f2 0f 01 ca \terets",},
+{{0xf3, 0x0f, 0x01, 0xca, }, 4, 0, "eretu", "indirect",
+"f3 0f 01 ca \teretu",},
+{{0xc4, 0xe2, 0x71, 0x6c, 0xda, }, 5, 0, "", "",
+"c4 e2 71 6c da \ttcmmimfp16ps %tmm1,%tmm2,%tmm3",},
+{{0xc4, 0xe2, 0x70, 0x6c, 0xda, }, 5, 0, "", "",
+"c4 e2 70 6c da \ttcmmrlfp16ps %tmm1,%tmm2,%tmm3",},
+{{0xc4, 0xe2, 0x73, 0x5c, 0xda, }, 5, 0, "", "",
+"c4 e2 73 5c da \ttdpfp16ps %tmm1,%tmm2,%tmm3",},
+{{0xd5, 0x10, 0xf6, 0xc2, 0x05, }, 5, 0, "", "",
+"d5 10 f6 c2 05 \ttest $0x5,%r18b",},
+{{0xd5, 0x10, 0xf7, 0xc2, 0x05, 0x00, 0x00, 0x00, }, 8, 0, "", "",
+"d5 10 f7 c2 05 00 00 00 \ttest $0x5,%r18d",},
+{{0xd5, 0x18, 0xf7, 0xc2, 0x05, 0x00, 0x00, 0x00, }, 8, 0, "", "",
+"d5 18 f7 c2 05 00 00 00 \ttest $0x5,%r18",},
+{{0x66, 0xd5, 0x10, 0xf7, 0xc2, 0x05, 0x00, }, 7, 0, "", "",
+"66 d5 10 f7 c2 05 00 \ttest $0x5,%r18w",},
+{{0x44, 0x0f, 0xaf, 0xf0, }, 4, 0, "", "",
+"44 0f af f0 \timul %eax,%r14d",},
+{{0xd5, 0xc0, 0xaf, 0xc8, }, 4, 0, "", "",
+"d5 c0 af c8 \timul %eax,%r17d",},
+{{0xd5, 0x90, 0x62, 0x12, }, 4, 0, "", "",
+"d5 90 62 12 \tpunpckldq %mm2,(%r18)",},
+{{0xd5, 0x40, 0x8d, 0x00, }, 4, 0, "", "",
+"d5 40 8d 00 \tlea (%rax),%r16d",},
+{{0xd5, 0x44, 0x8d, 0x38, }, 4, 0, "", "",
+"d5 44 8d 38 \tlea (%rax),%r31d",},
+{{0xd5, 0x20, 0x8d, 0x04, 0x05, 0x00, 0x00, 0x00, 0x00, }, 9, 0, "", "",
+"d5 20 8d 04 05 00 00 00 00 \tlea 0x0(,%r16,1),%eax",},
+{{0xd5, 0x22, 0x8d, 0x04, 0x3d, 0x00, 0x00, 0x00, 0x00, }, 9, 0, "", "",
+"d5 22 8d 04 3d 00 00 00 00 \tlea 0x0(,%r31,1),%eax",},
+{{0xd5, 0x10, 0x8d, 0x00, }, 4, 0, "", "",
+"d5 10 8d 00 \tlea (%r16),%eax",},
+{{0xd5, 0x11, 0x8d, 0x07, }, 4, 0, "", "",
+"d5 11 8d 07 \tlea (%r31),%eax",},
+{{0x4c, 0x8d, 0x38, }, 3, 0, "", "",
+"4c 8d 38 \tlea (%rax),%r15",},
+{{0xd5, 0x48, 0x8d, 0x00, }, 4, 0, "", "",
+"d5 48 8d 00 \tlea (%rax),%r16",},
+{{0x49, 0x8d, 0x07, }, 3, 0, "", "",
+"49 8d 07 \tlea (%r15),%rax",},
+{{0xd5, 0x18, 0x8d, 0x00, }, 4, 0, "", "",
+"d5 18 8d 00 \tlea (%r16),%rax",},
+{{0x4a, 0x8d, 0x04, 0x3d, 0x00, 0x00, 0x00, 0x00, }, 8, 0, "", "",
+"4a 8d 04 3d 00 00 00 00 \tlea 0x0(,%r15,1),%rax",},
+{{0xd5, 0x28, 0x8d, 0x04, 0x05, 0x00, 0x00, 0x00, 0x00, }, 9, 0, "", "",
+"d5 28 8d 04 05 00 00 00 00 \tlea 0x0(,%r16,1),%rax",},
+{{0xd5, 0x1c, 0x03, 0x00, }, 4, 0, "", "",
+"d5 1c 03 00 \tadd (%r16),%r8",},
+{{0xd5, 0x1c, 0x03, 0x38, }, 4, 0, "", "",
+"d5 1c 03 38 \tadd (%r16),%r15",},
+{{0xd5, 0x4a, 0x8b, 0x04, 0x0d, 0x00, 0x00, 0x00, 0x00, }, 9, 0, "", "",
+"d5 4a 8b 04 0d 00 00 00 00 \tmov 0x0(,%r9,1),%r16",},
+{{0xd5, 0x4a, 0x8b, 0x04, 0x35, 0x00, 0x00, 0x00, 0x00, }, 9, 0, "", "",
+"d5 4a 8b 04 35 00 00 00 00 \tmov 0x0(,%r14,1),%r16",},
+{{0xd5, 0x4d, 0x2b, 0x3a, }, 4, 0, "", "",
+"d5 4d 2b 3a \tsub (%r10),%r31",},
+{{0xd5, 0x4d, 0x2b, 0x7d, 0x00, }, 5, 0, "", "",
+"d5 4d 2b 7d 00 \tsub 0x0(%r13),%r31",},
+{{0xd5, 0x30, 0x8d, 0x44, 0x28, 0x01, }, 6, 0, "", "",
+"d5 30 8d 44 28 01 \tlea 0x1(%r16,%r21,1),%eax",},
+{{0xd5, 0x76, 0x8d, 0x7c, 0x10, 0x01, }, 6, 0, "", "",
+"d5 76 8d 7c 10 01 \tlea 0x1(%r16,%r26,1),%r31d",},
+{{0xd5, 0x12, 0x8d, 0x84, 0x0d, 0x81, 0x00, 0x00, 0x00, }, 9, 0, "", "",
+"d5 12 8d 84 0d 81 00 00 00 \tlea 0x81(%r21,%r9,1),%eax",},
+{{0xd5, 0x57, 0x8d, 0xbc, 0x0a, 0x81, 0x00, 0x00, 0x00, }, 9, 0, "", "",
+"d5 57 8d bc 0a 81 00 00 00 \tlea 0x81(%r26,%r9,1),%r31d",},
+{{0xd5, 0x00, 0xa1, 0xef, 0xcd, 0xab, 0x90, 0x78, 0x56, 0x34, 0x12, }, 11, 0, "jmp", "indirect",
+"d5 00 a1 ef cd ab 90 78 56 34 12 \tjmpabs $0x1234567890abcdef",},
+{{0xd5, 0x08, 0x53, }, 3, 0, "", "",
+"d5 08 53 \tpushp %rbx",},
+{{0xd5, 0x18, 0x50, }, 3, 0, "", "",
+"d5 18 50 \tpushp %r16",},
+{{0xd5, 0x19, 0x57, }, 3, 0, "", "",
+"d5 19 57 \tpushp %r31",},
+{{0xd5, 0x19, 0x5f, }, 3, 0, "", "",
+"d5 19 5f \tpopp %r31",},
+{{0xd5, 0x18, 0x58, }, 3, 0, "", "",
+"d5 18 58 \tpopp %r16",},
+{{0xd5, 0x08, 0x5b, }, 3, 0, "", "",
+"d5 08 5b \tpopp %rbx",},
+{{0x62, 0x72, 0x34, 0x00, 0xf7, 0xd2, }, 6, 0, "", "",
+"62 72 34 00 f7 d2 \tbextr %r25d,%edx,%r10d",},
+{{0x62, 0xda, 0x34, 0x00, 0xf7, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 34 00 f7 94 87 23 01 00 00 \tbextr %r25d,0x123(%r31,%rax,4),%edx",},
+{{0x62, 0x52, 0x84, 0x00, 0xf7, 0xdf, }, 6, 0, "", "",
+"62 52 84 00 f7 df \tbextr %r31,%r15,%r11",},
+{{0x62, 0x5a, 0x84, 0x00, 0xf7, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 84 00 f7 bc 87 23 01 00 00 \tbextr %r31,0x123(%r31,%rax,4),%r15",},
+{{0x62, 0xda, 0x6c, 0x08, 0xf3, 0xd9, }, 6, 0, "", "",
+"62 da 6c 08 f3 d9 \tblsi %r25d,%edx",},
+{{0x62, 0xda, 0x84, 0x08, 0xf3, 0xdf, }, 6, 0, "", "",
+"62 da 84 08 f3 df \tblsi %r31,%r15",},
+{{0x62, 0xda, 0x34, 0x00, 0xf3, 0x9c, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 34 00 f3 9c 87 23 01 00 00 \tblsi 0x123(%r31,%rax,4),%r25d",},
+{{0x62, 0xda, 0x84, 0x00, 0xf3, 0x9c, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 84 00 f3 9c 87 23 01 00 00 \tblsi 0x123(%r31,%rax,4),%r31",},
+{{0x62, 0xda, 0x6c, 0x08, 0xf3, 0xd1, }, 6, 0, "", "",
+"62 da 6c 08 f3 d1 \tblsmsk %r25d,%edx",},
+{{0x62, 0xda, 0x84, 0x08, 0xf3, 0xd7, }, 6, 0, "", "",
+"62 da 84 08 f3 d7 \tblsmsk %r31,%r15",},
+{{0x62, 0xda, 0x34, 0x00, 0xf3, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 34 00 f3 94 87 23 01 00 00 \tblsmsk 0x123(%r31,%rax,4),%r25d",},
+{{0x62, 0xda, 0x84, 0x00, 0xf3, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 84 00 f3 94 87 23 01 00 00 \tblsmsk 0x123(%r31,%rax,4),%r31",},
+{{0x62, 0xda, 0x6c, 0x08, 0xf3, 0xc9, }, 6, 0, "", "",
+"62 da 6c 08 f3 c9 \tblsr %r25d,%edx",},
+{{0x62, 0xda, 0x84, 0x08, 0xf3, 0xcf, }, 6, 0, "", "",
+"62 da 84 08 f3 cf \tblsr %r31,%r15",},
+{{0x62, 0xda, 0x34, 0x00, 0xf3, 0x8c, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 34 00 f3 8c 87 23 01 00 00 \tblsr 0x123(%r31,%rax,4),%r25d",},
+{{0x62, 0xda, 0x84, 0x00, 0xf3, 0x8c, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 84 00 f3 8c 87 23 01 00 00 \tblsr 0x123(%r31,%rax,4),%r31",},
+{{0x62, 0x72, 0x34, 0x00, 0xf5, 0xd2, }, 6, 0, "", "",
+"62 72 34 00 f5 d2 \tbzhi %r25d,%edx,%r10d",},
+{{0x62, 0xda, 0x34, 0x00, 0xf5, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 34 00 f5 94 87 23 01 00 00 \tbzhi %r25d,0x123(%r31,%rax,4),%edx",},
+{{0x62, 0x52, 0x84, 0x00, 0xf5, 0xdf, }, 6, 0, "", "",
+"62 52 84 00 f5 df \tbzhi %r31,%r15,%r11",},
+{{0x62, 0x5a, 0x84, 0x00, 0xf5, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 84 00 f5 bc 87 23 01 00 00 \tbzhi %r31,0x123(%r31,%rax,4),%r15",},
+{{0x62, 0xda, 0x35, 0x00, 0xe6, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 35 00 e6 94 87 23 01 00 00 \tcmpbexadd %r25d,%edx,0x123(%r31,%rax,4)",},
+{{0x62, 0x5a, 0x85, 0x00, 0xe6, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 85 00 e6 bc 87 23 01 00 00 \tcmpbexadd %r31,%r15,0x123(%r31,%rax,4)",},
+{{0x62, 0xda, 0x35, 0x00, 0xe2, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 35 00 e2 94 87 23 01 00 00 \tcmpbxadd %r25d,%edx,0x123(%r31,%rax,4)",},
+{{0x62, 0x5a, 0x85, 0x00, 0xe2, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 85 00 e2 bc 87 23 01 00 00 \tcmpbxadd %r31,%r15,0x123(%r31,%rax,4)",},
+{{0x62, 0xda, 0x35, 0x00, 0xec, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 35 00 ec 94 87 23 01 00 00 \tcmplxadd %r25d,%edx,0x123(%r31,%rax,4)",},
+{{0x62, 0x5a, 0x85, 0x00, 0xec, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 85 00 ec bc 87 23 01 00 00 \tcmplxadd %r31,%r15,0x123(%r31,%rax,4)",},
+{{0x62, 0xda, 0x35, 0x00, 0xe7, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 35 00 e7 94 87 23 01 00 00 \tcmpnbexadd %r25d,%edx,0x123(%r31,%rax,4)",},
+{{0x62, 0x5a, 0x85, 0x00, 0xe7, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 85 00 e7 bc 87 23 01 00 00 \tcmpnbexadd %r31,%r15,0x123(%r31,%rax,4)",},
+{{0x62, 0xda, 0x35, 0x00, 0xe3, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 35 00 e3 94 87 23 01 00 00 \tcmpnbxadd %r25d,%edx,0x123(%r31,%rax,4)",},
+{{0x62, 0x5a, 0x85, 0x00, 0xe3, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 85 00 e3 bc 87 23 01 00 00 \tcmpnbxadd %r31,%r15,0x123(%r31,%rax,4)",},
+{{0x62, 0xda, 0x35, 0x00, 0xef, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 35 00 ef 94 87 23 01 00 00 \tcmpnlexadd %r25d,%edx,0x123(%r31,%rax,4)",},
+{{0x62, 0x5a, 0x85, 0x00, 0xef, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 85 00 ef bc 87 23 01 00 00 \tcmpnlexadd %r31,%r15,0x123(%r31,%rax,4)",},
+{{0x62, 0xda, 0x35, 0x00, 0xed, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 35 00 ed 94 87 23 01 00 00 \tcmpnlxadd %r25d,%edx,0x123(%r31,%rax,4)",},
+{{0x62, 0x5a, 0x85, 0x00, 0xed, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 85 00 ed bc 87 23 01 00 00 \tcmpnlxadd %r31,%r15,0x123(%r31,%rax,4)",},
+{{0x62, 0xda, 0x35, 0x00, 0xe1, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 35 00 e1 94 87 23 01 00 00 \tcmpnoxadd %r25d,%edx,0x123(%r31,%rax,4)",},
+{{0x62, 0x5a, 0x85, 0x00, 0xe1, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 85 00 e1 bc 87 23 01 00 00 \tcmpnoxadd %r31,%r15,0x123(%r31,%rax,4)",},
+{{0x62, 0xda, 0x35, 0x00, 0xeb, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 35 00 eb 94 87 23 01 00 00 \tcmpnpxadd %r25d,%edx,0x123(%r31,%rax,4)",},
+{{0x62, 0x5a, 0x85, 0x00, 0xeb, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 85 00 eb bc 87 23 01 00 00 \tcmpnpxadd %r31,%r15,0x123(%r31,%rax,4)",},
+{{0x62, 0xda, 0x35, 0x00, 0xe9, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 da 35 00 e9 94 87 23 01 00 00 \tcmpnsxadd %r25d,%edx,0x123(%r31,%rax,4)",},
+{{0x62, 0x5a, 0x85, 0x00, 0xe9, 0xbc, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
+"62 5a 85 00 e9 bc 87 23 01 00 00 \tcmpnsxadd %r31,%r15,0x123(%r31,%rax,4)",},
+{{0x62, 0xda, 0x35, 0x00, 0xe5, 0x94, 0x87, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "",
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+"62 cc fc 08 f1 f7 \tcrc32 %r31,%r22",},
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+"62 ec fc 08 f0 cb \tcrc32 %r19b,%r17",},
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+"67 62 4c 7f 08 f8 8c 87 23 01 00 00 \tenqcmd 0x123(%r31d,%eax,4),%r25d",},
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+"67 62 4c 7e 08 f8 8c 87 23 01 00 00 \tenqcmds 0x123(%r31d,%eax,4),%r25d",},
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+"62 d9 7c 08 91 ac 87 23 01 00 00 \tkmovw %k5,0x123(%r31,%rax,4)",},
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+"62 fc 7d 08 60 c2 \tmovbe %r18w,%ax",},
+{{0x62, 0xd4, 0x7d, 0x08, 0x60, 0xc7, }, 6, 0, "", "",
+"62 d4 7d 08 60 c7 \tmovbe %r15w,%ax",},
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+"62 ec 7d 08 61 94 80 23 01 00 00 \tmovbe %r18w,0x123(%r16,%rax,4)",},
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+"62 cc 7d 08 61 94 87 23 01 00 00 \tmovbe %r18w,0x123(%r31,%rax,4)",},
+{{0x62, 0xdc, 0x7c, 0x08, 0x60, 0xd1, }, 6, 0, "", "",
+"62 dc 7c 08 60 d1 \tmovbe %r25d,%edx",},
+{{0x62, 0xd4, 0x7c, 0x08, 0x60, 0xd7, }, 6, 0, "", "",
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+"62 6c 7c 08 61 8c 80 23 01 00 00 \tmovbe %r25d,0x123(%r16,%rax,4)",},
+{{0x62, 0x5c, 0xfc, 0x08, 0x60, 0xff, }, 6, 0, "", "",
+"62 5c fc 08 60 ff \tmovbe %r31,%r15",},
+{{0x62, 0x54, 0xfc, 0x08, 0x60, 0xf8, }, 6, 0, "", "",
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+"62 6c fc 08 61 bc 80 23 01 00 00 \tmovbe %r31,0x123(%r16,%rax,4)",},
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+"62 4c fc 08 61 bc 87 23 01 00 00 \tmovbe %r31,0x123(%r31,%rax,4)",},
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+"62 6c fc 08 60 bc 80 23 01 00 00 \tmovbe 0x123(%r16,%rax,4),%r31",},
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+"62 cc 7d 08 60 94 87 23 01 00 00 \tmovbe 0x123(%r31,%rax,4),%r18w",},
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+"62 4c 7c 08 60 8c 87 23 01 00 00 \tmovbe 0x123(%r31,%rax,4),%r25d",},
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+"67 62 4c 7d 08 f8 8c 87 23 01 00 00 \tmovdir64b 0x123(%r31d,%eax,4),%r25d",},
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+"62 4c 7d 08 f8 bc 87 23 01 00 00 \tmovdir64b 0x123(%r31,%rax,4),%r31",},
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+"62 4c 7c 08 f9 8c 87 23 01 00 00 \tmovdiri %r25d,0x123(%r31,%rax,4)",},
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+"62 4c fc 08 f9 bc 87 23 01 00 00 \tmovdiri %r31,0x123(%r31,%rax,4)",},
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+{{0x62, 0x44, 0xfc, 0x10, 0x01, 0x38, }, 6, 0, "", "",
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+"67 62 f4 3c 18 af 90 09 09 09 00 \timul 0x90909(%eax),%edx,%r8d",},
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+"62 54 05 10 24 c4 02 \tshld $0x2,%r8w,%r12w,%r31w",},
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+{{0xc4, 0xe2, 0x6a, 0xd2, 0xd9, }, 5, 0, "", "",
+"c4 e2 6a d2 d9 \tvpdpwsud %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6a, 0xd3, 0xd9, }, 5, 0, "", "",
+"c4 e2 6a d3 d9 \tvpdpwsuds %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x69, 0xd2, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 d2 d9 \tvpdpwusd %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x69, 0xd3, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 d3 d9 \tvpdpwusds %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x68, 0xd2, 0xd9, }, 5, 0, "", "",
+"c4 e2 68 d2 d9 \tvpdpwuud %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x68, 0xd3, 0xd9, }, 5, 0, "", "",
+"c4 e2 68 d3 d9 \tvpdpwuuds %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x08, 0xb5, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 b5 d9 \tvpmadd52huq %xmm1,%xmm2,%xmm3",},
+{{0x62, 0xf2, 0xed, 0x08, 0xb4, 0xd9, }, 6, 0, "", "",
+"62 f2 ed 08 b4 d9 \tvpmadd52luq %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x7f, 0xcc, 0xd1, }, 5, 0, "", "",
+"c4 e2 7f cc d1 \tvsha512msg1 %xmm1,%ymm2",},
+{{0xc4, 0xe2, 0x7f, 0xcd, 0xd1, }, 5, 0, "", "",
+"c4 e2 7f cd d1 \tvsha512msg2 %ymm1,%ymm2",},
+{{0xc4, 0xe2, 0x6f, 0xcb, 0xd9, }, 5, 0, "", "",
+"c4 e2 6f cb d9 \tvsha512rnds2 %xmm1,%ymm2,%ymm3",},
+{{0xc4, 0xe2, 0x68, 0xda, 0xd9, }, 5, 0, "", "",
+"c4 e2 68 da d9 \tvsm3msg1 %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x69, 0xda, 0xd9, }, 5, 0, "", "",
+"c4 e2 69 da d9 \tvsm3msg2 %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe3, 0x69, 0xde, 0xd9, 0xa1, }, 6, 0, "", "",
+"c4 e3 69 de d9 a1 \tvsm3rnds2 $0xa1,%xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6a, 0xda, 0xd9, }, 5, 0, "", "",
+"c4 e2 6a da d9 \tvsm4key4 %xmm1,%xmm2,%xmm3",},
+{{0xc4, 0xe2, 0x6b, 0xda, 0xd9, }, 5, 0, "", "",
+"c4 e2 6b da d9 \tvsm4rnds4 %xmm1,%xmm2,%xmm3",},
+{{0x67, 0x0f, 0x0d, 0x00, }, 4, 0, "", "",
+"67 0f 0d 00 \tprefetch (%eax)",},
+{{0x67, 0x0f, 0x18, 0x08, }, 4, 0, "", "",
+"67 0f 18 08 \tprefetcht0 (%eax)",},
+{{0x67, 0x0f, 0x18, 0x10, }, 4, 0, "", "",
+"67 0f 18 10 \tprefetcht1 (%eax)",},
+{{0x67, 0x0f, 0x18, 0x18, }, 4, 0, "", "",
+"67 0f 18 18 \tprefetcht2 (%eax)",},
+{{0x67, 0x0f, 0x18, 0x00, }, 4, 0, "", "",
+"67 0f 18 00 \tprefetchnta (%eax)",},
+{{0x0f, 0x01, 0xc6, }, 3, 0, "", "",
+"0f 01 c6 \twrmsrns",},
+{{0xf3, 0x0f, 0x3a, 0xf0, 0xc0, 0x00, }, 6, 0, "", "",
+"f3 0f 3a f0 c0 00 \threset $0x0",},
+{{0x0f, 0x01, 0xe8, }, 3, 0, "", "",
+"0f 01 e8 \tserialize ",},
+{{0xf2, 0x0f, 0x01, 0xe9, }, 4, 0, "", "",
+"f2 0f 01 e9 \txresldtrk ",},
+{{0xf2, 0x0f, 0x01, 0xe8, }, 4, 0, "", "",
+"f2 0f 01 e8 \txsusldtrk ",},
+{{0x0f, 0x01, 0xcf, }, 3, 0, "", "",
+"0f 01 cf \tencls ",},
+{{0x0f, 0x01, 0xd7, }, 3, 0, "", "",
+"0f 01 d7 \tenclu ",},
+{{0x0f, 0x01, 0xc0, }, 3, 0, "", "",
+"0f 01 c0 \tenclv ",},
+{{0x0f, 0x01, 0xc5, }, 3, 0, "", "",
+"0f 01 c5 \tpconfig ",},
+{{0xf3, 0x0f, 0x09, }, 3, 0, "", "",
+"f3 0f 09 \twbnoinvd ",},
diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-src.c b/tools/perf/arch/x86/tests/insn-x86-dat-src.c
index 979487dae8d4..f55505c75d51 100644
--- a/tools/perf/arch/x86/tests/insn-x86-dat-src.c
+++ b/tools/perf/arch/x86/tests/insn-x86-dat-src.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* This file contains instructions for testing by the test titled:
*
@@ -509,6 +510,82 @@ int main(void)
asm volatile("vrsqrt14ss %xmm24,%xmm25,%xmm26{%k7}");
asm volatile("vrsqrt14sd %xmm24,%xmm25,%xmm26{%k7}");
+ /* AVX-512: Op code 0f 38 50 */
+
+ asm volatile("vpdpbusd %xmm1, %xmm2, %xmm3");
+ asm volatile("vpdpbusd %ymm1, %ymm2, %ymm3");
+ asm volatile("vpdpbusd %zmm1, %zmm2, %zmm3");
+ asm volatile("vpdpbusd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vpdpbusd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 51 */
+
+ asm volatile("vpdpbusds %xmm1, %xmm2, %xmm3");
+ asm volatile("vpdpbusds %ymm1, %ymm2, %ymm3");
+ asm volatile("vpdpbusds %zmm1, %zmm2, %zmm3");
+ asm volatile("vpdpbusds 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vpdpbusds 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 52 */
+
+ asm volatile("vdpbf16ps %xmm1, %xmm2, %xmm3");
+ asm volatile("vdpbf16ps %ymm1, %ymm2, %ymm3");
+ asm volatile("vdpbf16ps %zmm1, %zmm2, %zmm3");
+ asm volatile("vdpbf16ps 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vdpbf16ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vpdpwssd %xmm1, %xmm2, %xmm3");
+ asm volatile("vpdpwssd %ymm1, %ymm2, %ymm3");
+ asm volatile("vpdpwssd %zmm1, %zmm2, %zmm3");
+ asm volatile("vpdpwssd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vpdpwssd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vp4dpwssd (%rax), %zmm0, %zmm4");
+ asm volatile("vp4dpwssd (%eax), %zmm0, %zmm4");
+ asm volatile("vp4dpwssd 0x12345678(%rax,%rcx,8),%zmm0,%zmm4");
+ asm volatile("vp4dpwssd 0x12345678(%eax,%ecx,8),%zmm0,%zmm4");
+
+ /* AVX-512: Op code 0f 38 53 */
+
+ asm volatile("vpdpwssds %xmm1, %xmm2, %xmm3");
+ asm volatile("vpdpwssds %ymm1, %ymm2, %ymm3");
+ asm volatile("vpdpwssds %zmm1, %zmm2, %zmm3");
+ asm volatile("vpdpwssds 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vpdpwssds 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vp4dpwssds (%rax), %zmm0, %zmm4");
+ asm volatile("vp4dpwssds (%eax), %zmm0, %zmm4");
+ asm volatile("vp4dpwssds 0x12345678(%rax,%rcx,8),%zmm0,%zmm4");
+ asm volatile("vp4dpwssds 0x12345678(%eax,%ecx,8),%zmm0,%zmm4");
+
+ /* AVX-512: Op code 0f 38 54 */
+
+ asm volatile("vpopcntb %xmm1, %xmm2");
+ asm volatile("vpopcntb %ymm1, %ymm2");
+ asm volatile("vpopcntb %zmm1, %zmm2");
+ asm volatile("vpopcntb 0x12345678(%rax,%rcx,8),%zmm2");
+ asm volatile("vpopcntb 0x12345678(%eax,%ecx,8),%zmm2");
+
+ asm volatile("vpopcntw %xmm1, %xmm2");
+ asm volatile("vpopcntw %ymm1, %ymm2");
+ asm volatile("vpopcntw %zmm1, %zmm2");
+ asm volatile("vpopcntw 0x12345678(%rax,%rcx,8),%zmm2");
+ asm volatile("vpopcntw 0x12345678(%eax,%ecx,8),%zmm2");
+
+ /* AVX-512: Op code 0f 38 55 */
+
+ asm volatile("vpopcntd %xmm1, %xmm2");
+ asm volatile("vpopcntd %ymm1, %ymm2");
+ asm volatile("vpopcntd %zmm1, %zmm2");
+ asm volatile("vpopcntd 0x12345678(%rax,%rcx,8),%zmm2");
+ asm volatile("vpopcntd 0x12345678(%eax,%ecx,8),%zmm2");
+
+ asm volatile("vpopcntq %xmm1, %xmm2");
+ asm volatile("vpopcntq %ymm1, %ymm2");
+ asm volatile("vpopcntq %zmm1, %zmm2");
+ asm volatile("vpopcntq 0x12345678(%rax,%rcx,8),%zmm2");
+ asm volatile("vpopcntq 0x12345678(%eax,%ecx,8),%zmm2");
+
/* AVX-512: Op code 0f 38 59 */
asm volatile("vpbroadcastq %xmm4,%xmm6");
@@ -525,6 +602,34 @@ int main(void)
asm volatile("vbroadcasti32x8 (%rcx),%zmm28");
asm volatile("vbroadcasti64x4 (%rcx),%zmm26");
+ /* AVX-512: Op code 0f 38 62 */
+
+ asm volatile("vpexpandb %xmm1, %xmm2");
+ asm volatile("vpexpandb %ymm1, %ymm2");
+ asm volatile("vpexpandb %zmm1, %zmm2");
+ asm volatile("vpexpandb 0x12345678(%rax,%rcx,8),%zmm2");
+ asm volatile("vpexpandb 0x12345678(%eax,%ecx,8),%zmm2");
+
+ asm volatile("vpexpandw %xmm1, %xmm2");
+ asm volatile("vpexpandw %ymm1, %ymm2");
+ asm volatile("vpexpandw %zmm1, %zmm2");
+ asm volatile("vpexpandw 0x12345678(%rax,%rcx,8),%zmm2");
+ asm volatile("vpexpandw 0x12345678(%eax,%ecx,8),%zmm2");
+
+ /* AVX-512: Op code 0f 38 63 */
+
+ asm volatile("vpcompressb %xmm1, %xmm2");
+ asm volatile("vpcompressb %ymm1, %ymm2");
+ asm volatile("vpcompressb %zmm1, %zmm2");
+ asm volatile("vpcompressb %zmm2,0x12345678(%rax,%rcx,8)");
+ asm volatile("vpcompressb %zmm2,0x12345678(%eax,%ecx,8)");
+
+ asm volatile("vpcompressw %xmm1, %xmm2");
+ asm volatile("vpcompressw %ymm1, %ymm2");
+ asm volatile("vpcompressw %zmm1, %zmm2");
+ asm volatile("vpcompressw %zmm2,0x12345678(%rax,%rcx,8)");
+ asm volatile("vpcompressw %zmm2,0x12345678(%eax,%ecx,8)");
+
/* AVX-512: Op code 0f 38 64 */
asm volatile("vpblendmd %zmm26,%zmm27,%zmm28");
@@ -540,6 +645,76 @@ int main(void)
asm volatile("vpblendmb %zmm26,%zmm27,%zmm28");
asm volatile("vpblendmw %zmm26,%zmm27,%zmm28");
+ /* AVX-512: Op code 0f 38 68 */
+
+ asm volatile("vp2intersectd %xmm1, %xmm2, %k3");
+ asm volatile("vp2intersectd %ymm1, %ymm2, %k3");
+ asm volatile("vp2intersectd %zmm1, %zmm2, %k3");
+ asm volatile("vp2intersectd 0x12345678(%rax,%rcx,8),%zmm2,%k3");
+ asm volatile("vp2intersectd 0x12345678(%eax,%ecx,8),%zmm2,%k3");
+
+ asm volatile("vp2intersectq %xmm1, %xmm2, %k3");
+ asm volatile("vp2intersectq %ymm1, %ymm2, %k3");
+ asm volatile("vp2intersectq %zmm1, %zmm2, %k3");
+ asm volatile("vp2intersectq 0x12345678(%rax,%rcx,8),%zmm2,%k3");
+ asm volatile("vp2intersectq 0x12345678(%eax,%ecx,8),%zmm2,%k3");
+
+ /* AVX-512: Op code 0f 38 70 */
+
+ asm volatile("vpshldvw %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshldvw %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshldvw %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshldvw 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vpshldvw 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 71 */
+
+ asm volatile("vpshldvd %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshldvd %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshldvd %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshldvd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vpshldvd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vpshldvq %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshldvq %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshldvq %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshldvq 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vpshldvq 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 72 */
+
+ asm volatile("vcvtne2ps2bf16 %xmm1, %xmm2, %xmm3");
+ asm volatile("vcvtne2ps2bf16 %ymm1, %ymm2, %ymm3");
+ asm volatile("vcvtne2ps2bf16 %zmm1, %zmm2, %zmm3");
+ asm volatile("vcvtne2ps2bf16 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vcvtne2ps2bf16 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vcvtneps2bf16 %xmm1, %xmm2");
+ asm volatile("vcvtneps2bf16 %ymm1, %xmm2");
+ asm volatile("vcvtneps2bf16 %zmm1, %ymm2");
+ asm volatile("vcvtneps2bf16 0x12345678(%rax,%rcx,8),%ymm2");
+ asm volatile("vcvtneps2bf16 0x12345678(%eax,%ecx,8),%ymm2");
+
+ asm volatile("vpshrdvw %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshrdvw %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshrdvw %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshrdvw 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vpshrdvw 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 73 */
+
+ asm volatile("vpshrdvd %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshrdvd %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshrdvd %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshrdvd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vpshrdvd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vpshrdvq %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshrdvq %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshrdvq %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshrdvq 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vpshrdvq 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
/* AVX-512: Op code 0f 38 75 */
asm volatile("vpermi2b %zmm24,%zmm25,%zmm26");
@@ -612,6 +787,14 @@ int main(void)
asm volatile("vpermb %zmm26,%zmm27,%zmm28");
asm volatile("vpermw %zmm26,%zmm27,%zmm28");
+ /* AVX-512: Op code 0f 38 8f */
+
+ asm volatile("vpshufbitqmb %xmm1, %xmm2, %k3");
+ asm volatile("vpshufbitqmb %ymm1, %ymm2, %k3");
+ asm volatile("vpshufbitqmb %zmm1, %zmm2, %k3");
+ asm volatile("vpshufbitqmb 0x12345678(%rax,%rcx,8),%zmm2,%k3");
+ asm volatile("vpshufbitqmb 0x12345678(%eax,%ecx,8),%zmm2,%k3");
+
/* AVX-512: Op code 0f 38 90 */
asm volatile("vpgatherdd %xmm2,0x02(%rbp,%xmm7,2),%xmm1");
@@ -626,6 +809,40 @@ int main(void)
asm volatile("vpgatherqd 0x7b(%rbp,%zmm27,8),%ymm26{%k1}");
asm volatile("vpgatherqq 0x7b(%rbp,%zmm27,8),%zmm26{%k1}");
+ /* AVX-512: Op code 0f 38 9a */
+
+ asm volatile("vfmsub132ps %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub132ps %ymm1, %ymm2, %ymm3");
+ asm volatile("vfmsub132ps %zmm1, %zmm2, %zmm3");
+ asm volatile("vfmsub132ps 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vfmsub132ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vfmsub132pd %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub132pd %ymm1, %ymm2, %ymm3");
+ asm volatile("vfmsub132pd %zmm1, %zmm2, %zmm3");
+ asm volatile("vfmsub132pd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vfmsub132pd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("v4fmaddps (%rax), %zmm0, %zmm4");
+ asm volatile("v4fmaddps (%eax), %zmm0, %zmm4");
+ asm volatile("v4fmaddps 0x12345678(%rax,%rcx,8),%zmm0,%zmm4");
+ asm volatile("v4fmaddps 0x12345678(%eax,%ecx,8),%zmm0,%zmm4");
+
+ /* AVX-512: Op code 0f 38 9b */
+
+ asm volatile("vfmsub132ss %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub132ss 0x12345678(%rax,%rcx,8),%xmm2,%xmm3");
+ asm volatile("vfmsub132ss 0x12345678(%eax,%ecx,8),%xmm2,%xmm3");
+
+ asm volatile("vfmsub132sd %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub132sd 0x12345678(%rax,%rcx,8),%xmm2,%xmm3");
+ asm volatile("vfmsub132sd 0x12345678(%eax,%ecx,8),%xmm2,%xmm3");
+
+ asm volatile("v4fmaddss (%rax), %xmm0, %xmm4");
+ asm volatile("v4fmaddss (%eax), %xmm0, %xmm4");
+ asm volatile("v4fmaddss 0x12345678(%rax,%rcx,8),%xmm0,%xmm4");
+ asm volatile("v4fmaddss 0x12345678(%eax,%ecx,8),%xmm0,%xmm4");
+
/* AVX-512: Op code 0f 38 a0 */
asm volatile("vpscatterdd %zmm28,0x7b(%rbp,%zmm29,8){%k1}");
@@ -646,6 +863,40 @@ int main(void)
asm volatile("vscatterqps %ymm6,0x7b(%rbp,%zmm29,8){%k1}");
asm volatile("vscatterqpd %zmm28,0x7b(%rbp,%zmm29,8){%k1}");
+ /* AVX-512: Op code 0f 38 aa */
+
+ asm volatile("vfmsub213ps %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub213ps %ymm1, %ymm2, %ymm3");
+ asm volatile("vfmsub213ps %zmm1, %zmm2, %zmm3");
+ asm volatile("vfmsub213ps 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vfmsub213ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vfmsub213pd %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub213pd %ymm1, %ymm2, %ymm3");
+ asm volatile("vfmsub213pd %zmm1, %zmm2, %zmm3");
+ asm volatile("vfmsub213pd 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vfmsub213pd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("v4fnmaddps (%rax), %zmm0, %zmm4");
+ asm volatile("v4fnmaddps (%eax), %zmm0, %zmm4");
+ asm volatile("v4fnmaddps 0x12345678(%rax,%rcx,8),%zmm0,%zmm4");
+ asm volatile("v4fnmaddps 0x12345678(%eax,%ecx,8),%zmm0,%zmm4");
+
+ /* AVX-512: Op code 0f 38 ab */
+
+ asm volatile("vfmsub213ss %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub213ss 0x12345678(%rax,%rcx,8),%xmm2,%xmm3");
+ asm volatile("vfmsub213ss 0x12345678(%eax,%ecx,8),%xmm2,%xmm3");
+
+ asm volatile("vfmsub213sd %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub213sd 0x12345678(%rax,%rcx,8),%xmm2,%xmm3");
+ asm volatile("vfmsub213sd 0x12345678(%eax,%ecx,8),%xmm2,%xmm3");
+
+ asm volatile("v4fnmaddss (%rax), %xmm0, %xmm4");
+ asm volatile("v4fnmaddss (%eax), %xmm0, %xmm4");
+ asm volatile("v4fnmaddss 0x12345678(%rax,%rcx,8),%xmm0,%xmm4");
+ asm volatile("v4fnmaddss 0x12345678(%eax,%ecx,8),%xmm0,%xmm4");
+
/* AVX-512: Op code 0f 38 b4 */
asm volatile("vpmadd52luq %zmm26,%zmm27,%zmm28");
@@ -684,6 +935,50 @@ int main(void)
asm volatile("vrsqrt28ss %xmm28,%xmm29,%xmm30{%k7}");
asm volatile("vrsqrt28sd %xmm25,%xmm26,%xmm27{%k7}");
+ /* AVX-512: Op code 0f 38 cf */
+
+ asm volatile("gf2p8mulb %xmm1, %xmm3");
+ asm volatile("gf2p8mulb 0x12345678(%rax,%rcx,8),%xmm3");
+ asm volatile("gf2p8mulb 0x12345678(%eax,%ecx,8),%xmm3");
+
+ asm volatile("vgf2p8mulb %xmm1, %xmm2, %xmm3");
+ asm volatile("vgf2p8mulb %ymm1, %ymm2, %ymm3");
+ asm volatile("vgf2p8mulb %zmm1, %zmm2, %zmm3");
+ asm volatile("vgf2p8mulb 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vgf2p8mulb 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 dc */
+
+ asm volatile("vaesenc %xmm1, %xmm2, %xmm3");
+ asm volatile("vaesenc %ymm1, %ymm2, %ymm3");
+ asm volatile("vaesenc %zmm1, %zmm2, %zmm3");
+ asm volatile("vaesenc 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vaesenc 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 dd */
+
+ asm volatile("vaesenclast %xmm1, %xmm2, %xmm3");
+ asm volatile("vaesenclast %ymm1, %ymm2, %ymm3");
+ asm volatile("vaesenclast %zmm1, %zmm2, %zmm3");
+ asm volatile("vaesenclast 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vaesenclast 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 de */
+
+ asm volatile("vaesdec %xmm1, %xmm2, %xmm3");
+ asm volatile("vaesdec %ymm1, %ymm2, %ymm3");
+ asm volatile("vaesdec %zmm1, %zmm2, %zmm3");
+ asm volatile("vaesdec 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vaesdec 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 df */
+
+ asm volatile("vaesdeclast %xmm1, %xmm2, %xmm3");
+ asm volatile("vaesdeclast %ymm1, %ymm2, %ymm3");
+ asm volatile("vaesdeclast %zmm1, %zmm2, %zmm3");
+ asm volatile("vaesdeclast 0x12345678(%rax,%rcx,8),%zmm2,%zmm3");
+ asm volatile("vaesdeclast 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
/* AVX-512: Op code 0f 3a 03 */
asm volatile("valignd $0x12,%zmm28,%zmm29,%zmm30");
@@ -803,6 +1098,13 @@ int main(void)
asm volatile("vshufi32x4 $0x12,%zmm25,%zmm26,%zmm27");
asm volatile("vshufi64x2 $0x12,%zmm28,%zmm29,%zmm30");
+ /* AVX-512: Op code 0f 3a 44 */
+
+ asm volatile("vpclmulqdq $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpclmulqdq $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpclmulqdq $0x12,%zmm1,%zmm2,%zmm3");
+ asm volatile("vpclmulqdq $0x12,%zmm25,%zmm26,%zmm27");
+
/* AVX-512: Op code 0f 3a 50 */
asm volatile("vrangeps $0x12,%zmm25,%zmm26,%zmm27");
@@ -843,6 +1145,62 @@ int main(void)
asm volatile("vfpclassss $0x12,%xmm27,%k5");
asm volatile("vfpclasssd $0x12,%xmm30,%k5");
+ /* AVX-512: Op code 0f 3a 70 */
+
+ asm volatile("vpshldw $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshldw $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshldw $0x12,%zmm1,%zmm2,%zmm3");
+ asm volatile("vpshldw $0x12,%zmm25,%zmm26,%zmm27");
+
+ /* AVX-512: Op code 0f 3a 71 */
+
+ asm volatile("vpshldd $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshldd $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshldd $0x12,%zmm1,%zmm2,%zmm3");
+ asm volatile("vpshldd $0x12,%zmm25,%zmm26,%zmm27");
+
+ asm volatile("vpshldq $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshldq $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshldq $0x12,%zmm1,%zmm2,%zmm3");
+ asm volatile("vpshldq $0x12,%zmm25,%zmm26,%zmm27");
+
+ /* AVX-512: Op code 0f 3a 72 */
+
+ asm volatile("vpshrdw $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshrdw $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshrdw $0x12,%zmm1,%zmm2,%zmm3");
+ asm volatile("vpshrdw $0x12,%zmm25,%zmm26,%zmm27");
+
+ /* AVX-512: Op code 0f 3a 73 */
+
+ asm volatile("vpshrdd $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshrdd $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshrdd $0x12,%zmm1,%zmm2,%zmm3");
+ asm volatile("vpshrdd $0x12,%zmm25,%zmm26,%zmm27");
+
+ asm volatile("vpshrdq $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshrdq $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshrdq $0x12,%zmm1,%zmm2,%zmm3");
+ asm volatile("vpshrdq $0x12,%zmm25,%zmm26,%zmm27");
+
+ /* AVX-512: Op code 0f 3a ce */
+
+ asm volatile("gf2p8affineqb $0x12,%xmm1,%xmm3");
+
+ asm volatile("vgf2p8affineqb $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vgf2p8affineqb $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vgf2p8affineqb $0x12,%zmm1,%zmm2,%zmm3");
+ asm volatile("vgf2p8affineqb $0x12,%zmm25,%zmm26,%zmm27");
+
+ /* AVX-512: Op code 0f 3a cf */
+
+ asm volatile("gf2p8affineinvqb $0x12,%xmm1,%xmm3");
+
+ asm volatile("vgf2p8affineinvqb $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vgf2p8affineinvqb $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vgf2p8affineinvqb $0x12,%zmm1,%zmm2,%zmm3");
+ asm volatile("vgf2p8affineinvqb $0x12,%zmm25,%zmm26,%zmm27");
+
/* AVX-512: Op code 0f 72 (Grp13) */
asm volatile("vprord $0x12,%zmm25,%zmm26");
@@ -1319,6 +1677,14 @@ int main(void)
asm volatile("xsaveopt (%r8)");
asm volatile("mfence");
+ /* cldemote m8 */
+
+ asm volatile("cldemote (%rax)");
+ asm volatile("cldemote (%r8)");
+ asm volatile("cldemote (0x12345678)");
+ asm volatile("cldemote 0x12345678(%rax,%rcx,8)");
+ asm volatile("cldemote 0x12345678(%r8,%rcx,8)");
+
/* xsavec mem */
asm volatile("xsavec (%rax)");
@@ -1343,6 +1709,1431 @@ int main(void)
asm volatile("xrstors 0x12345678(%rax,%rcx,8)");
asm volatile("xrstors 0x12345678(%r8,%rcx,8)");
+ /* ptwrite */
+
+ asm volatile("ptwrite (%rax)");
+ asm volatile("ptwrite (%r8)");
+ asm volatile("ptwrite (0x12345678)");
+ asm volatile("ptwrite 0x12345678(%rax,%rcx,8)");
+ asm volatile("ptwrite 0x12345678(%r8,%rcx,8)");
+
+ asm volatile("ptwritel (%rax)");
+ asm volatile("ptwritel (%r8)");
+ asm volatile("ptwritel (0x12345678)");
+ asm volatile("ptwritel 0x12345678(%rax,%rcx,8)");
+ asm volatile("ptwritel 0x12345678(%r8,%rcx,8)");
+
+ asm volatile("ptwriteq (%rax)");
+ asm volatile("ptwriteq (%r8)");
+ asm volatile("ptwriteq (0x12345678)");
+ asm volatile("ptwriteq 0x12345678(%rax,%rcx,8)");
+ asm volatile("ptwriteq 0x12345678(%r8,%rcx,8)");
+
+ /* tpause */
+
+ asm volatile("tpause %ebx");
+ asm volatile("tpause %r8d");
+
+ /* umonitor */
+
+ asm volatile("umonitor %eax");
+ asm volatile("umonitor %rax");
+ asm volatile("umonitor %r8d");
+
+ /* umwait */
+
+ asm volatile("umwait %eax");
+ asm volatile("umwait %r8d");
+
+ /* movdiri */
+
+ asm volatile("movdiri %rax,(%rbx)");
+ asm volatile("movdiri %rcx,0x12345678(%rax)");
+
+ /* movdir64b */
+
+ asm volatile("movdir64b (%rax),%rbx");
+ asm volatile("movdir64b 0x12345678(%rax),%rcx");
+ asm volatile("movdir64b (%eax),%ebx");
+ asm volatile("movdir64b 0x12345678(%eax),%ecx");
+
+ /* enqcmd */
+
+ asm volatile("enqcmd (%rax),%rbx");
+ asm volatile("enqcmd 0x12345678(%rax),%rcx");
+ asm volatile("enqcmd (%eax),%ebx");
+ asm volatile("enqcmd 0x12345678(%eax),%ecx");
+
+ /* enqcmds */
+
+ asm volatile("enqcmds (%rax),%rbx");
+ asm volatile("enqcmds 0x12345678(%rax),%rcx");
+ asm volatile("enqcmds (%eax),%ebx");
+ asm volatile("enqcmds 0x12345678(%eax),%ecx");
+
+ /* incsspd/q */
+
+ asm volatile("incsspd %eax");
+ asm volatile("incsspd %r8d");
+ asm volatile("incsspq %rax");
+ asm volatile("incsspq %r8");
+ /* Also check instructions in the same group encoding as incsspd/q */
+ asm volatile("xrstor (%rax)");
+ asm volatile("xrstor (%r8)");
+ asm volatile("xrstor (0x12345678)");
+ asm volatile("xrstor 0x12345678(%rax,%rcx,8)");
+ asm volatile("xrstor 0x12345678(%r8,%rcx,8)");
+ asm volatile("lfence");
+
+ /* rdsspd/q */
+
+ asm volatile("rdsspd %eax");
+ asm volatile("rdsspd %r8d");
+ asm volatile("rdsspq %rax");
+ asm volatile("rdsspq %r8");
+
+ /* saveprevssp */
+
+ asm volatile("saveprevssp");
+
+ /* rstorssp */
+
+ asm volatile("rstorssp (%rax)");
+ asm volatile("rstorssp (%r8)");
+ asm volatile("rstorssp (0x12345678)");
+ asm volatile("rstorssp 0x12345678(%rax,%rcx,8)");
+ asm volatile("rstorssp 0x12345678(%r8,%rcx,8)");
+
+ /* wrssd/q */
+
+ asm volatile("wrssd %ecx,(%rax)");
+ asm volatile("wrssd %edx,(%r8)");
+ asm volatile("wrssd %edx,(0x12345678)");
+ asm volatile("wrssd %edx,0x12345678(%rax,%rcx,8)");
+ asm volatile("wrssd %edx,0x12345678(%r8,%rcx,8)");
+ asm volatile("wrssq %rcx,(%rax)");
+ asm volatile("wrssq %rdx,(%r8)");
+ asm volatile("wrssq %rdx,(0x12345678)");
+ asm volatile("wrssq %rdx,0x12345678(%rax,%rcx,8)");
+ asm volatile("wrssq %rdx,0x12345678(%r8,%rcx,8)");
+
+ /* wrussd/q */
+
+ asm volatile("wrussd %ecx,(%rax)");
+ asm volatile("wrussd %edx,(%r8)");
+ asm volatile("wrussd %edx,(0x12345678)");
+ asm volatile("wrussd %edx,0x12345678(%rax,%rcx,8)");
+ asm volatile("wrussd %edx,0x12345678(%r8,%rcx,8)");
+ asm volatile("wrussq %rcx,(%rax)");
+ asm volatile("wrussq %rdx,(%r8)");
+ asm volatile("wrussq %rdx,(0x12345678)");
+ asm volatile("wrussq %rdx,0x12345678(%rax,%rcx,8)");
+ asm volatile("wrussq %rdx,0x12345678(%r8,%rcx,8)");
+
+ /* setssbsy */
+
+ asm volatile("setssbsy");
+ /* Also check instructions in the same group encoding as setssbsy */
+ asm volatile("rdpkru");
+ asm volatile("wrpkru");
+
+ /* clrssbsy */
+
+ asm volatile("clrssbsy (%rax)");
+ asm volatile("clrssbsy (%r8)");
+ asm volatile("clrssbsy (0x12345678)");
+ asm volatile("clrssbsy 0x12345678(%rax,%rcx,8)");
+ asm volatile("clrssbsy 0x12345678(%r8,%rcx,8)");
+
+ /* endbr32/64 */
+
+ asm volatile("endbr32");
+ asm volatile("endbr64");
+
+ /* call with/without notrack prefix */
+
+ asm volatile("callq *%rax"); /* Expecting: call indirect 0 */
+ asm volatile("callq *(%rax)"); /* Expecting: call indirect 0 */
+ asm volatile("callq *(%r8)"); /* Expecting: call indirect 0 */
+ asm volatile("callq *(0x12345678)"); /* Expecting: call indirect 0 */
+ asm volatile("callq *0x12345678(%rax,%rcx,8)"); /* Expecting: call indirect 0 */
+ asm volatile("callq *0x12345678(%r8,%rcx,8)"); /* Expecting: call indirect 0 */
+
+ asm volatile("bnd callq *%rax"); /* Expecting: call indirect 0 */
+ asm volatile("bnd callq *(%rax)"); /* Expecting: call indirect 0 */
+ asm volatile("bnd callq *(%r8)"); /* Expecting: call indirect 0 */
+ asm volatile("bnd callq *(0x12345678)"); /* Expecting: call indirect 0 */
+ asm volatile("bnd callq *0x12345678(%rax,%rcx,8)"); /* Expecting: call indirect 0 */
+ asm volatile("bnd callq *0x12345678(%r8,%rcx,8)"); /* Expecting: call indirect 0 */
+
+ asm volatile("notrack callq *%rax"); /* Expecting: call indirect 0 */
+ asm volatile("notrack callq *(%rax)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack callq *(%r8)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack callq *(0x12345678)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack callq *0x12345678(%rax,%rcx,8)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack callq *0x12345678(%r8,%rcx,8)"); /* Expecting: call indirect 0 */
+
+ asm volatile("notrack bnd callq *%rax"); /* Expecting: call indirect 0 */
+ asm volatile("notrack bnd callq *(%rax)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack bnd callq *(%r8)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack bnd callq *(0x12345678)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack bnd callq *0x12345678(%rax,%rcx,8)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack bnd callq *0x12345678(%r8,%rcx,8)"); /* Expecting: call indirect 0 */
+
+ /* jmp with/without notrack prefix */
+
+ asm volatile("jmpq *%rax"); /* Expecting: jmp indirect 0 */
+ asm volatile("jmpq *(%rax)"); /* Expecting: jmp indirect 0 */
+ asm volatile("jmpq *(%r8)"); /* Expecting: jmp indirect 0 */
+ asm volatile("jmpq *(0x12345678)"); /* Expecting: jmp indirect 0 */
+ asm volatile("jmpq *0x12345678(%rax,%rcx,8)"); /* Expecting: jmp indirect 0 */
+ asm volatile("jmpq *0x12345678(%r8,%rcx,8)"); /* Expecting: jmp indirect 0 */
+
+ asm volatile("bnd jmpq *%rax"); /* Expecting: jmp indirect 0 */
+ asm volatile("bnd jmpq *(%rax)"); /* Expecting: jmp indirect 0 */
+ asm volatile("bnd jmpq *(%r8)"); /* Expecting: jmp indirect 0 */
+ asm volatile("bnd jmpq *(0x12345678)"); /* Expecting: jmp indirect 0 */
+ asm volatile("bnd jmpq *0x12345678(%rax,%rcx,8)"); /* Expecting: jmp indirect 0 */
+ asm volatile("bnd jmpq *0x12345678(%r8,%rcx,8)"); /* Expecting: jmp indirect 0 */
+
+ asm volatile("notrack jmpq *%rax"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack jmpq *(%rax)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack jmpq *(%r8)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack jmpq *(0x12345678)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack jmpq *0x12345678(%rax,%rcx,8)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack jmpq *0x12345678(%r8,%rcx,8)"); /* Expecting: jmp indirect 0 */
+
+ asm volatile("notrack bnd jmpq *%rax"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack bnd jmpq *(%rax)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack bnd jmpq *(%r8)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack bnd jmpq *(0x12345678)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack bnd jmpq *0x12345678(%rax,%rcx,8)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack bnd jmpq *0x12345678(%r8,%rcx,8)"); /* Expecting: jmp indirect 0 */
+
+ /* AMX */
+
+ asm volatile("ldtilecfg (%rax,%rcx,8)");
+ asm volatile("ldtilecfg (%r8,%rcx,8)");
+ asm volatile("sttilecfg (%rax,%rcx,8)");
+ asm volatile("sttilecfg (%r8,%rcx,8)");
+ asm volatile("tdpbf16ps %tmm0, %tmm1, %tmm2");
+ asm volatile("tdpbssd %tmm0, %tmm1, %tmm2");
+ asm volatile("tdpbsud %tmm0, %tmm1, %tmm2");
+ asm volatile("tdpbusd %tmm0, %tmm1, %tmm2");
+ asm volatile("tdpbuud %tmm0, %tmm1, %tmm2");
+ asm volatile("tileloadd (%rax,%rcx,8), %tmm1");
+ asm volatile("tileloadd (%r8,%rcx,8), %tmm2");
+ asm volatile("tileloaddt1 (%rax,%rcx,8), %tmm1");
+ asm volatile("tileloaddt1 (%r8,%rcx,8), %tmm2");
+ asm volatile("tilerelease");
+ asm volatile("tilestored %tmm1, (%rax,%rcx,8)");
+ asm volatile("tilestored %tmm2, (%r8,%rcx,8)");
+ asm volatile("tilezero %tmm0");
+ asm volatile("tilezero %tmm7");
+
+ /* User Interrupt */
+
+ asm volatile("clui");
+ asm volatile("senduipi %rax");
+ asm volatile("senduipi %r8");
+ asm volatile("stui");
+ asm volatile("testui");
+ asm volatile("uiret");
+
+ /* AVX512-FP16 */
+
+ asm volatile("vaddph %zmm3, %zmm2, %zmm1");
+ asm volatile("vaddph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vaddph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vaddph %xmm3, %xmm2, %xmm1");
+ asm volatile("vaddph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vaddph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vaddph %ymm3, %ymm2, %ymm1");
+ asm volatile("vaddph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vaddph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vaddsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vaddsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vaddsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcmpph $0x12, %zmm3, %zmm2, %k5");
+ asm volatile("vcmpph $0x12, 0x12345678(%rax,%rcx,8), %zmm2, %k5");
+ asm volatile("vcmpph $0x12, 0x12345678(%eax,%ecx,8), %zmm2, %k5");
+ asm volatile("vcmpph $0x12, %xmm3, %xmm2, %k5");
+ asm volatile("vcmpph $0x12, 0x12345678(%rax,%rcx,8), %xmm2, %k5");
+ asm volatile("vcmpph $0x12, 0x12345678(%eax,%ecx,8), %xmm2, %k5");
+ asm volatile("vcmpph $0x12, %ymm3, %ymm2, %k5");
+ asm volatile("vcmpph $0x12, 0x12345678(%rax,%rcx,8), %ymm2, %k5");
+ asm volatile("vcmpph $0x12, 0x12345678(%eax,%ecx,8), %ymm2, %k5");
+ asm volatile("vcmpsh $0x12, %xmm3, %xmm2, %k5");
+ asm volatile("vcmpsh $0x12, 0x12345678(%rax,%rcx,8), %xmm2, %k5");
+ asm volatile("vcmpsh $0x12, 0x12345678(%eax,%ecx,8), %xmm2, %k5");
+ asm volatile("vcomish %xmm2, %xmm1");
+ asm volatile("vcomish 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcomish 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtdq2ph %zmm2, %ymm1");
+ asm volatile("vcvtdq2ph 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtdq2ph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtdq2ph %xmm2, %xmm1");
+ asm volatile("vcvtdq2ph %ymm2, %xmm1");
+ asm volatile("vcvtpd2ph %zmm2, %xmm1");
+ asm volatile("vcvtpd2ph %xmm2, %xmm1");
+ asm volatile("vcvtpd2ph %ymm2, %xmm1");
+ asm volatile("vcvtph2dq %ymm2, %zmm1");
+ asm volatile("vcvtph2dq 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtph2dq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2dq %xmm2, %xmm1");
+ asm volatile("vcvtph2dq 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtph2dq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2dq %xmm2, %ymm1");
+ asm volatile("vcvtph2dq 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtph2dq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2pd %xmm2, %zmm1");
+ asm volatile("vcvtph2pd 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtph2pd 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2pd %xmm2, %xmm1");
+ asm volatile("vcvtph2pd 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtph2pd 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2pd %xmm2, %ymm1");
+ asm volatile("vcvtph2pd 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtph2pd 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2ps %ymm2, %zmm1");
+ asm volatile("vcvtph2ps 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtph2ps 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2ps %xmm2, %xmm1");
+ asm volatile("vcvtph2ps 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtph2ps 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2ps %xmm2, %ymm1");
+ asm volatile("vcvtph2ps 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtph2ps 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2ps %xmm2, %xmm1");
+ asm volatile("vcvtph2ps 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtph2ps 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2ps %xmm2, %ymm1");
+ asm volatile("vcvtph2ps 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtph2ps 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2psx %ymm2, %zmm1");
+ asm volatile("vcvtph2psx 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtph2psx 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2psx %xmm2, %xmm1");
+ asm volatile("vcvtph2psx 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtph2psx 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2psx %xmm2, %ymm1");
+ asm volatile("vcvtph2psx 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtph2psx 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2qq %xmm2, %zmm1");
+ asm volatile("vcvtph2qq 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtph2qq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2qq %xmm2, %xmm1");
+ asm volatile("vcvtph2qq 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtph2qq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2qq %xmm2, %ymm1");
+ asm volatile("vcvtph2qq 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtph2qq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2udq %ymm2, %zmm1");
+ asm volatile("vcvtph2udq 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtph2udq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2udq %xmm2, %xmm1");
+ asm volatile("vcvtph2udq 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtph2udq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2udq %xmm2, %ymm1");
+ asm volatile("vcvtph2udq 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtph2udq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2uqq %xmm2, %zmm1");
+ asm volatile("vcvtph2uqq 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtph2uqq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2uqq %xmm2, %xmm1");
+ asm volatile("vcvtph2uqq 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtph2uqq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2uqq %xmm2, %ymm1");
+ asm volatile("vcvtph2uqq 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtph2uqq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2uw %zmm2, %zmm1");
+ asm volatile("vcvtph2uw 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtph2uw 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2uw %xmm2, %xmm1");
+ asm volatile("vcvtph2uw 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtph2uw 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2uw %ymm2, %ymm1");
+ asm volatile("vcvtph2uw 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtph2uw 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2w %zmm2, %zmm1");
+ asm volatile("vcvtph2w 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtph2w 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2w %xmm2, %xmm1");
+ asm volatile("vcvtph2w 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtph2w 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2w %ymm2, %ymm1");
+ asm volatile("vcvtph2w 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtph2w 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtps2ph $0x12, %zmm1, 0x12345678(%rax,%rcx,8)");
+ asm volatile("vcvtps2ph $0x12, %zmm1, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vcvtps2ph $0x12, %zmm2, %ymm1");
+ asm volatile("vcvtps2ph $0x12, %ymm1, 0x12345678(%rax,%rcx,8)");
+ asm volatile("vcvtps2ph $0x12, %ymm1, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vcvtps2ph $0x12, %xmm1, 0x12345678(%rax,%rcx,8)");
+ asm volatile("vcvtps2ph $0x12, %xmm1, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vcvtps2ph $0x12, %xmm2, %xmm1");
+ asm volatile("vcvtps2ph $0x12, %ymm2, %xmm1");
+ asm volatile("vcvtps2ph $0x12, %ymm2, %xmm1");
+ asm volatile("vcvtps2ph $0x12, %ymm2, 0x12345678(%rax,%rcx,8)");
+ asm volatile("vcvtps2ph $0x12, %ymm2, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vcvtps2ph $0x12, %xmm2, %xmm1");
+ asm volatile("vcvtps2ph $0x12, %xmm2, 0x12345678(%rax,%rcx,8)");
+ asm volatile("vcvtps2ph $0x12, %xmm2, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vcvtps2phx %zmm2, %ymm1");
+ asm volatile("vcvtps2phx 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtps2phx 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtps2phx %xmm2, %xmm1");
+ asm volatile("vcvtps2phx %ymm2, %xmm1");
+ asm volatile("vcvtqq2ph %zmm2, %xmm1");
+ asm volatile("vcvtqq2ph %xmm2, %xmm1");
+ asm volatile("vcvtqq2ph %ymm2, %xmm1");
+ asm volatile("vcvtsd2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtsh2sd 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtsh2si 0x12345678(%eax,%ecx,8), %eax");
+ asm volatile("vcvtsh2si 0x12345678(%eax,%ecx,8), %rax");
+ asm volatile("vcvtsh2ss 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtsh2usi %xmm1, %eax");
+ asm volatile("vcvtsh2usi 0x12345678(%rax,%rcx,8), %eax");
+ asm volatile("vcvtsh2usi 0x12345678(%eax,%ecx,8), %eax");
+ asm volatile("vcvtsh2usi %xmm1, %rax");
+ asm volatile("vcvtsh2usi 0x12345678(%rax,%rcx,8), %rax");
+ asm volatile("vcvtsh2usi 0x12345678(%eax,%ecx,8), %rax");
+ asm volatile("vcvtsi2sh %eax, %xmm2, %xmm1");
+ asm volatile("vcvtsi2sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vcvtsi2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtsi2sh %rax, %xmm2, %xmm1");
+ asm volatile("vcvtsi2sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vcvtsi2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtss2sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vcvtss2sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vcvtss2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvttph2dq %ymm2, %zmm1");
+ asm volatile("vcvttph2dq 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvttph2dq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2dq %xmm2, %xmm1");
+ asm volatile("vcvttph2dq 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvttph2dq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2dq %xmm2, %ymm1");
+ asm volatile("vcvttph2dq 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvttph2dq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttph2qq %xmm2, %zmm1");
+ asm volatile("vcvttph2qq 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvttph2qq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2qq %xmm2, %xmm1");
+ asm volatile("vcvttph2qq 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvttph2qq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2qq %xmm2, %ymm1");
+ asm volatile("vcvttph2qq 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvttph2qq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttph2udq %ymm2, %zmm1");
+ asm volatile("vcvttph2udq 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvttph2udq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2udq %xmm2, %xmm1");
+ asm volatile("vcvttph2udq 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvttph2udq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2udq %xmm2, %ymm1");
+ asm volatile("vcvttph2udq 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvttph2udq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttph2uqq %xmm2, %zmm1");
+ asm volatile("vcvttph2uqq 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvttph2uqq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2uqq %xmm2, %xmm1");
+ asm volatile("vcvttph2uqq 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvttph2uqq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2uqq %xmm2, %ymm1");
+ asm volatile("vcvttph2uqq 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvttph2uqq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttph2uw %zmm2, %zmm1");
+ asm volatile("vcvttph2uw 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvttph2uw 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2uw %xmm2, %xmm1");
+ asm volatile("vcvttph2uw 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvttph2uw 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2uw %ymm2, %ymm1");
+ asm volatile("vcvttph2uw 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvttph2uw 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttph2w %zmm2, %zmm1");
+ asm volatile("vcvttph2w 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvttph2w 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2w %xmm2, %xmm1");
+ asm volatile("vcvttph2w 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvttph2w 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2w %ymm2, %ymm1");
+ asm volatile("vcvttph2w 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvttph2w 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttsh2si %xmm1, %eax");
+ asm volatile("vcvttsh2si 0x12345678(%rax,%rcx,8), %eax");
+ asm volatile("vcvttsh2si 0x12345678(%eax,%ecx,8), %eax");
+ asm volatile("vcvttsh2si %xmm1, %rax");
+ asm volatile("vcvttsh2si 0x12345678(%rax,%rcx,8), %rax");
+ asm volatile("vcvttsh2si 0x12345678(%eax,%ecx,8), %rax");
+ asm volatile("vcvttsh2usi %xmm1, %eax");
+ asm volatile("vcvttsh2usi 0x12345678(%rax,%rcx,8), %eax");
+ asm volatile("vcvttsh2usi 0x12345678(%eax,%ecx,8), %eax");
+ asm volatile("vcvttsh2usi %xmm1, %rax");
+ asm volatile("vcvttsh2usi 0x12345678(%rax,%rcx,8), %rax");
+ asm volatile("vcvttsh2usi 0x12345678(%eax,%ecx,8), %rax");
+ asm volatile("vcvtudq2ph %zmm2, %ymm1");
+ asm volatile("vcvtudq2ph 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtudq2ph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtudq2ph %xmm2, %xmm1");
+ asm volatile("vcvtudq2ph %ymm2, %xmm1");
+ asm volatile("vcvtuqq2ph %zmm2, %xmm1");
+ asm volatile("vcvtuqq2ph %xmm2, %xmm1");
+ asm volatile("vcvtuqq2ph %ymm2, %xmm1");
+ asm volatile("vcvtusi2sh %eax, %xmm2, %xmm1");
+ asm volatile("vcvtusi2sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vcvtusi2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtusi2sh %rax, %xmm2, %xmm1");
+ asm volatile("vcvtusi2sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vcvtusi2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtuw2ph %zmm2, %zmm1");
+ asm volatile("vcvtuw2ph 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtuw2ph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtuw2ph %xmm2, %xmm1");
+ asm volatile("vcvtuw2ph 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtuw2ph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtuw2ph %ymm2, %ymm1");
+ asm volatile("vcvtuw2ph 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtuw2ph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtw2ph %zmm2, %zmm1");
+ asm volatile("vcvtw2ph 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vcvtw2ph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtw2ph %xmm2, %xmm1");
+ asm volatile("vcvtw2ph 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vcvtw2ph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtw2ph %ymm2, %ymm1");
+ asm volatile("vcvtw2ph 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vcvtw2ph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vdivph %zmm3, %zmm2, %zmm1");
+ asm volatile("vdivph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vdivph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vdivph %xmm3, %xmm2, %xmm1");
+ asm volatile("vdivph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vdivph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vdivph %ymm3, %ymm2, %ymm1");
+ asm volatile("vdivph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vdivph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vdivsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vdivsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vdivsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfcmaddcph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfcmaddcph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfcmaddcph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfcmaddcph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfcmaddcph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfcmaddcph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfcmaddcph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfcmaddcph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfcmaddcph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfcmaddcsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfcmaddcsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfcmaddcsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfcmulcph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfcmulcph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfcmulcph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfcmulcph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfcmulcph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfcmulcph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfcmulcph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfcmulcph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfcmulcph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfcmulcsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfcmulcsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfcmulcsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmadd132ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmadd132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmadd132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd132ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmadd132ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmadd132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmadd132sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd132sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd132sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmadd213ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmadd213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmadd213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd213ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmadd213ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmadd213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmadd213sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd213sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd213sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmadd231ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmadd231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmadd231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd231ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmadd231ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmadd231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmadd231sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd231sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd231sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddcph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmaddcph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddcph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddcph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmaddcph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddcph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddcph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmaddcph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmaddcph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmaddcsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmaddcsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddcsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmaddsub132ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddsub132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddsub132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmaddsub132ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmaddsub132ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmaddsub132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmaddsub213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmaddsub213ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddsub213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddsub213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmaddsub213ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmaddsub213ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmaddsub213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmaddsub231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmaddsub231ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddsub231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddsub231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmaddsub231ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmaddsub231ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmaddsub231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsub132ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmsub132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsub132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub132ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsub132ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub132sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub132sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub132sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsub213ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmsub213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsub213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub213ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsub213ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub213sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub213sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub213sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsub231ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmsub231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsub231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub231ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsub231ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub231sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub231sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub231sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsubadd132ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmsubadd132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsubadd132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsubadd132ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsubadd132ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmsubadd132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsubadd213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsubadd213ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmsubadd213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsubadd213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsubadd213ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsubadd213ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmsubadd213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsubadd231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsubadd231ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmsubadd231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsubadd231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsubadd231ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsubadd231ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmsubadd231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmulcph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmulcph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfmulcph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmulcph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmulcph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmulcph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmulcph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmulcph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfmulcph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmulcsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmulcsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfmulcsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmadd132ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfnmadd132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmadd132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd132ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmadd132ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfnmadd132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmadd132sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd132sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd132sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmadd213ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfnmadd213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmadd213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd213ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmadd213ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfnmadd213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmadd213sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd213sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd213sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmadd231ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfnmadd231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmadd231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd231ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmadd231ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfnmadd231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmadd231sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd231sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd231sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmsub132ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfnmsub132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmsub132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub132ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmsub132ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfnmsub132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmsub132sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub132sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub132sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmsub213ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfnmsub213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmsub213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub213ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmsub213ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfnmsub213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmsub213sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub213sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub213sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmsub231ph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vfnmsub231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmsub231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub231ph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmsub231ph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vfnmsub231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmsub231sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub231sh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub231sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfpclassph $0x12, %zmm1, %k5");
+ asm volatile("vfpclassph $0x12, %xmm1, %k5");
+ asm volatile("vfpclassph $0x12, %ymm1, %k5");
+ asm volatile("vfpclasssh $0x12, %xmm1, %k5");
+ asm volatile("vfpclasssh $0x12, 0x12345678(%rax,%rcx,8), %k5");
+ asm volatile("vfpclasssh $0x12, 0x12345678(%eax,%ecx,8), %k5");
+ asm volatile("vgetexpph %zmm2, %zmm1");
+ asm volatile("vgetexpph 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vgetexpph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vgetexpph %xmm2, %xmm1");
+ asm volatile("vgetexpph 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vgetexpph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vgetexpph %ymm2, %ymm1");
+ asm volatile("vgetexpph 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vgetexpph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vgetexpsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vgetexpsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vgetexpsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vgetmantph $0x12, %zmm2, %zmm1");
+ asm volatile("vgetmantph $0x12, 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vgetmantph $0x12, 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vgetmantph $0x12, %xmm2, %xmm1");
+ asm volatile("vgetmantph $0x12, 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vgetmantph $0x12, 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vgetmantph $0x12, %ymm2, %ymm1");
+ asm volatile("vgetmantph $0x12, 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vgetmantph $0x12, 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vgetmantsh $0x12, %xmm3, %xmm2, %xmm1");
+ asm volatile("vgetmantsh $0x12, 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vgetmantsh $0x12, 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vmaxph %zmm3, %zmm2, %zmm1");
+ asm volatile("vmaxph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vmaxph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vmaxph %xmm3, %xmm2, %xmm1");
+ asm volatile("vmaxph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vmaxph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vmaxph %ymm3, %ymm2, %ymm1");
+ asm volatile("vmaxph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vmaxph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vmaxsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vmaxsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vmaxsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vminph %zmm3, %zmm2, %zmm1");
+ asm volatile("vminph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vminph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vminph %xmm3, %xmm2, %xmm1");
+ asm volatile("vminph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vminph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vminph %ymm3, %ymm2, %ymm1");
+ asm volatile("vminph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vminph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vminsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vminsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vminsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vmovsh %xmm1, 0x12345678(%rax,%rcx,8)");
+ asm volatile("vmovsh %xmm1, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vmovsh 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vmovsh 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vmovsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vmovw %xmm1, %eax");
+ asm volatile("vmovw %xmm1, 0x12345678(%rax,%rcx,8)");
+ asm volatile("vmovw %xmm1, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vmovw %eax, %xmm1");
+ asm volatile("vmovw 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vmovw 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vmulph %zmm3, %zmm2, %zmm1");
+ asm volatile("vmulph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vmulph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vmulph %xmm3, %xmm2, %xmm1");
+ asm volatile("vmulph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vmulph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vmulph %ymm3, %ymm2, %ymm1");
+ asm volatile("vmulph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vmulph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vmulsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vmulsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vmulsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vrcpph %zmm2, %zmm1");
+ asm volatile("vrcpph 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vrcpph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vrcpph %xmm2, %xmm1");
+ asm volatile("vrcpph 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vrcpph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vrcpph %ymm2, %ymm1");
+ asm volatile("vrcpph 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vrcpph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vrcpsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vrcpsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vrcpsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vreduceph $0x12, %zmm2, %zmm1");
+ asm volatile("vreduceph $0x12, 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vreduceph $0x12, 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vreduceph $0x12, %xmm2, %xmm1");
+ asm volatile("vreduceph $0x12, 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vreduceph $0x12, 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vreduceph $0x12, %ymm2, %ymm1");
+ asm volatile("vreduceph $0x12, 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vreduceph $0x12, 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vreducesh $0x12, %xmm3, %xmm2, %xmm1");
+ asm volatile("vreducesh $0x12, 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vreducesh $0x12, 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vrndscaleph $0x12, %zmm2, %zmm1");
+ asm volatile("vrndscaleph $0x12, 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vrndscaleph $0x12, 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vrndscaleph $0x12, %xmm2, %xmm1");
+ asm volatile("vrndscaleph $0x12, 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vrndscaleph $0x12, 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vrndscaleph $0x12, %ymm2, %ymm1");
+ asm volatile("vrndscaleph $0x12, 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vrndscaleph $0x12, 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vrndscalesh $0x12, %xmm3, %xmm2, %xmm1");
+ asm volatile("vrndscalesh $0x12, 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vrndscalesh $0x12, 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vrsqrtph %zmm2, %zmm1");
+ asm volatile("vrsqrtph 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vrsqrtph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vrsqrtph %xmm2, %xmm1");
+ asm volatile("vrsqrtph 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vrsqrtph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vrsqrtph %ymm2, %ymm1");
+ asm volatile("vrsqrtph 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vrsqrtph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vrsqrtsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vrsqrtsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vrsqrtsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vscalefph %zmm3, %zmm2, %zmm1");
+ asm volatile("vscalefph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vscalefph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vscalefph %xmm3, %xmm2, %xmm1");
+ asm volatile("vscalefph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vscalefph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vscalefph %ymm3, %ymm2, %ymm1");
+ asm volatile("vscalefph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vscalefph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vscalefsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vscalefsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vscalefsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vsqrtph %zmm2, %zmm1");
+ asm volatile("vsqrtph 0x12345678(%rax,%rcx,8), %zmm1");
+ asm volatile("vsqrtph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vsqrtph %xmm2, %xmm1");
+ asm volatile("vsqrtph 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vsqrtph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vsqrtph %ymm2, %ymm1");
+ asm volatile("vsqrtph 0x12345678(%rax,%rcx,8), %ymm1");
+ asm volatile("vsqrtph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vsqrtsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vsqrtsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vsqrtsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vsubph %zmm3, %zmm2, %zmm1");
+ asm volatile("vsubph 0x12345678(%rax,%rcx,8), %zmm2, %zmm1");
+ asm volatile("vsubph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vsubph %xmm3, %xmm2, %xmm1");
+ asm volatile("vsubph 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vsubph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vsubph %ymm3, %ymm2, %ymm1");
+ asm volatile("vsubph 0x12345678(%rax,%rcx,8), %ymm2, %ymm1");
+ asm volatile("vsubph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vsubsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vsubsh 0x12345678(%rax,%rcx,8), %xmm2, %xmm1");
+ asm volatile("vsubsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vucomish %xmm2, %xmm1");
+ asm volatile("vucomish 0x12345678(%rax,%rcx,8), %xmm1");
+ asm volatile("vucomish 0x12345678(%eax,%ecx,8), %xmm1");
+
+ /* Key Locker */
+
+ asm volatile("loadiwkey %xmm1, %xmm2");
+ asm volatile("encodekey128 %eax, %edx");
+ asm volatile("encodekey256 %eax, %edx");
+ asm volatile("aesenc128kl 0x77(%rdx), %xmm3");
+ asm volatile("aesenc256kl 0x77(%rdx), %xmm3");
+ asm volatile("aesdec128kl 0x77(%rdx), %xmm3");
+ asm volatile("aesdec256kl 0x77(%rdx), %xmm3");
+ asm volatile("aesencwide128kl 0x77(%rdx)");
+ asm volatile("aesencwide256kl 0x77(%rdx)");
+ asm volatile("aesdecwide128kl 0x77(%rdx)");
+ asm volatile("aesdecwide256kl 0x77(%rdx)");
+
+ /* Remote Atomic Operations */
+
+ asm volatile("aadd %ecx,(%rax)");
+ asm volatile("aadd %edx,(%r8)");
+ asm volatile("aadd %edx,0x12345678(%rax,%rcx,8)");
+ asm volatile("aadd %edx,0x12345678(%r8,%rcx,8)");
+ asm volatile("aadd %rcx,(%rax)");
+ asm volatile("aadd %rdx,(%r8)");
+ asm volatile("aadd %rdx,(0x12345678)");
+ asm volatile("aadd %rdx,0x12345678(%rax,%rcx,8)");
+ asm volatile("aadd %rdx,0x12345678(%r8,%rcx,8)");
+
+ asm volatile("aand %ecx,(%rax)");
+ asm volatile("aand %edx,(%r8)");
+ asm volatile("aand %edx,0x12345678(%rax,%rcx,8)");
+ asm volatile("aand %edx,0x12345678(%r8,%rcx,8)");
+ asm volatile("aand %rcx,(%rax)");
+ asm volatile("aand %rdx,(%r8)");
+ asm volatile("aand %rdx,(0x12345678)");
+ asm volatile("aand %rdx,0x12345678(%rax,%rcx,8)");
+ asm volatile("aand %rdx,0x12345678(%r8,%rcx,8)");
+
+ asm volatile("aor %ecx,(%rax)");
+ asm volatile("aor %edx,(%r8)");
+ asm volatile("aor %edx,0x12345678(%rax,%rcx,8)");
+ asm volatile("aor %edx,0x12345678(%r8,%rcx,8)");
+ asm volatile("aor %rcx,(%rax)");
+ asm volatile("aor %rdx,(%r8)");
+ asm volatile("aor %rdx,(0x12345678)");
+ asm volatile("aor %rdx,0x12345678(%rax,%rcx,8)");
+ asm volatile("aor %rdx,0x12345678(%r8,%rcx,8)");
+
+ asm volatile("axor %ecx,(%rax)");
+ asm volatile("axor %edx,(%r8)");
+ asm volatile("axor %edx,0x12345678(%rax,%rcx,8)");
+ asm volatile("axor %edx,0x12345678(%r8,%rcx,8)");
+ asm volatile("axor %rcx,(%rax)");
+ asm volatile("axor %rdx,(%r8)");
+ asm volatile("axor %rdx,(0x12345678)");
+ asm volatile("axor %rdx,0x12345678(%rax,%rcx,8)");
+ asm volatile("axor %rdx,0x12345678(%r8,%rcx,8)");
+
+ /* VEX CMPxxXADD */
+
+ asm volatile("cmpbexadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpbxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmplexadd %ebx,%ecx,(%r9)");
+ asm volatile("cmplxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpnbexadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpnbxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpnlexadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpnlxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpnoxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpnpxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpnsxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpnzxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpoxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmppxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpsxadd %ebx,%ecx,(%r9)");
+ asm volatile("cmpzxadd %ebx,%ecx,(%r9)");
+
+ /* Pre-fetch */
+
+ asm volatile("prefetch (%rax)");
+ asm volatile("prefetcht0 (%rax)");
+ asm volatile("prefetcht1 (%rax)");
+ asm volatile("prefetcht2 (%rax)");
+ asm volatile("prefetchnta (%rax)");
+ asm volatile("prefetchit0 0x12345678(%rip)");
+ asm volatile("prefetchit1 0x12345678(%rip)");
+
+ /* MSR List */
+
+ asm volatile("rdmsrlist");
+ asm volatile("wrmsrlist");
+
+ /* User Read/Write MSR */
+
+ asm volatile("urdmsr %rdx,%rax");
+ asm volatile("urdmsr %rdx,%r22");
+ asm volatile("urdmsr $0x7f,%r12");
+ asm volatile("uwrmsr %rax,%rdx");
+ asm volatile("uwrmsr %r22,%rdx");
+ asm volatile("uwrmsr %r12,$0x7f");
+
+ /* AVX NE Convert */
+
+ asm volatile("vbcstnebf162ps (%rcx),%xmm6");
+ asm volatile("vbcstnesh2ps (%rcx),%xmm6");
+ asm volatile("vcvtneebf162ps (%rcx),%xmm6");
+ asm volatile("vcvtneeph2ps (%rcx),%xmm6");
+ asm volatile("vcvtneobf162ps (%rcx),%xmm6");
+ asm volatile("vcvtneoph2ps (%rcx),%xmm6");
+ asm volatile("vcvtneps2bf16 %xmm1,%xmm6");
+
+ /* FRED */
+
+ asm volatile("erets"); /* Expecting: erets indirect 0 */
+ asm volatile("eretu"); /* Expecting: eretu indirect 0 */
+
+ /* AMX Complex */
+
+ asm volatile("tcmmimfp16ps %tmm1,%tmm2,%tmm3");
+ asm volatile("tcmmrlfp16ps %tmm1,%tmm2,%tmm3");
+
+ /* AMX FP16 */
+
+ asm volatile("tdpfp16ps %tmm1,%tmm2,%tmm3");
+
+ /* REX2 */
+
+ asm volatile("test $0x5, %r18b");
+ asm volatile("test $0x5, %r18d");
+ asm volatile("test $0x5, %r18");
+ asm volatile("test $0x5, %r18w");
+ asm volatile("imull %eax, %r14d");
+ asm volatile("imull %eax, %r17d");
+ asm volatile("punpckldq (%r18), %mm2");
+ asm volatile("leal (%rax), %r16d");
+ asm volatile("leal (%rax), %r31d");
+ asm volatile("leal (,%r16), %eax");
+ asm volatile("leal (,%r31), %eax");
+ asm volatile("leal (%r16), %eax");
+ asm volatile("leal (%r31), %eax");
+ asm volatile("leaq (%rax), %r15");
+ asm volatile("leaq (%rax), %r16");
+ asm volatile("leaq (%r15), %rax");
+ asm volatile("leaq (%r16), %rax");
+ asm volatile("leaq (,%r15), %rax");
+ asm volatile("leaq (,%r16), %rax");
+ asm volatile("add (%r16), %r8");
+ asm volatile("add (%r16), %r15");
+ asm volatile("mov (,%r9), %r16");
+ asm volatile("mov (,%r14), %r16");
+ asm volatile("sub (%r10), %r31");
+ asm volatile("sub (%r13), %r31");
+ asm volatile("leal 1(%r16, %r21), %eax");
+ asm volatile("leal 1(%r16, %r26), %r31d");
+ asm volatile("leal 129(%r21, %r9), %eax");
+ asm volatile("leal 129(%r26, %r9), %r31d");
+ /*
+ * Have to use .byte for jmpabs because gas does not support the
+ * mnemonic for some reason, but then it also gets the source line wrong
+ * with .byte, so the following is a workaround.
+ */
+ asm volatile(""); /* Expecting: jmp indirect 0 */
+ asm volatile(".byte 0xd5, 0x00, 0xa1, 0xef, 0xcd, 0xab, 0x90, 0x78, 0x56, 0x34, 0x12");
+ asm volatile("pushp %rbx");
+ asm volatile("pushp %r16");
+ asm volatile("pushp %r31");
+ asm volatile("popp %r31");
+ asm volatile("popp %r16");
+ asm volatile("popp %rbx");
+
+ /* APX */
+
+ asm volatile("bextr %r25d,%edx,%r10d");
+ asm volatile("bextr %r25d,0x123(%r31,%rax,4),%edx");
+ asm volatile("bextr %r31,%r15,%r11");
+ asm volatile("bextr %r31,0x123(%r31,%rax,4),%r15");
+ asm volatile("blsi %r25d,%edx");
+ asm volatile("blsi %r31,%r15");
+ asm volatile("blsi 0x123(%r31,%rax,4),%r25d");
+ asm volatile("blsi 0x123(%r31,%rax,4),%r31");
+ asm volatile("blsmsk %r25d,%edx");
+ asm volatile("blsmsk %r31,%r15");
+ asm volatile("blsmsk 0x123(%r31,%rax,4),%r25d");
+ asm volatile("blsmsk 0x123(%r31,%rax,4),%r31");
+ asm volatile("blsr %r25d,%edx");
+ asm volatile("blsr %r31,%r15");
+ asm volatile("blsr 0x123(%r31,%rax,4),%r25d");
+ asm volatile("blsr 0x123(%r31,%rax,4),%r31");
+ asm volatile("bzhi %r25d,%edx,%r10d");
+ asm volatile("bzhi %r25d,0x123(%r31,%rax,4),%edx");
+ asm volatile("bzhi %r31,%r15,%r11");
+ asm volatile("bzhi %r31,0x123(%r31,%rax,4),%r15");
+ asm volatile("cmpbexadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpbexadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpbxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpbxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmplxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmplxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpnbexadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpnbexadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpnbxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpnbxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpnlexadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpnlexadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpnlxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpnlxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpnoxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpnoxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpnpxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpnpxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpnsxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpnsxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpnzxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpnzxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpoxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpoxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmppxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmppxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpsxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpsxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("cmpzxadd %r25d,%edx,0x123(%r31,%rax,4)");
+ asm volatile("cmpzxadd %r31,%r15,0x123(%r31,%rax,4)");
+ asm volatile("crc32q %r31, %r22");
+ asm volatile("crc32q (%r31), %r22");
+ asm volatile("crc32b %r19b, %r17");
+ asm volatile("crc32b %r19b, %r21d");
+ asm volatile("crc32b (%r19),%ebx");
+ asm volatile("crc32l %r31d, %r23d");
+ asm volatile("crc32l (%r31), %r23d");
+ asm volatile("crc32w %r31w, %r21d");
+ asm volatile("crc32w (%r31),%r21d");
+ asm volatile("crc32 %rax, %r18");
+ asm volatile("enqcmd 0x123(%r31d,%eax,4),%r25d");
+ asm volatile("enqcmd 0x123(%r31,%rax,4),%r31");
+ asm volatile("enqcmds 0x123(%r31d,%eax,4),%r25d");
+ asm volatile("enqcmds 0x123(%r31,%rax,4),%r31");
+ asm volatile("invept 0x123(%r31,%rax,4),%r31");
+ asm volatile("invpcid 0x123(%r31,%rax,4),%r31");
+ asm volatile("invvpid 0x123(%r31,%rax,4),%r31");
+ asm volatile("kmovb %k5,%r25d");
+ asm volatile("kmovb %k5,0x123(%r31,%rax,4)");
+ asm volatile("kmovb %r25d,%k5");
+ asm volatile("kmovb 0x123(%r31,%rax,4),%k5");
+ asm volatile("kmovd %k5,%r25d");
+ asm volatile("kmovd %k5,0x123(%r31,%rax,4)");
+ asm volatile("kmovd %r25d,%k5");
+ asm volatile("kmovd 0x123(%r31,%rax,4),%k5");
+ asm volatile("kmovq %k5,%r31");
+ asm volatile("kmovq %k5,0x123(%r31,%rax,4)");
+ asm volatile("kmovq %r31,%k5");
+ asm volatile("kmovq 0x123(%r31,%rax,4),%k5");
+ asm volatile("kmovw %k5,%r25d");
+ asm volatile("kmovw %k5,0x123(%r31,%rax,4)");
+ asm volatile("kmovw %r25d,%k5");
+ asm volatile("kmovw 0x123(%r31,%rax,4),%k5");
+ asm volatile("ldtilecfg 0x123(%r31,%rax,4)");
+ asm volatile("movbe %r18w,%ax");
+ asm volatile("movbe %r15w,%ax");
+ asm volatile("movbe %r18w,0x123(%r16,%rax,4)");
+ asm volatile("movbe %r18w,0x123(%r31,%rax,4)");
+ asm volatile("movbe %r25d,%edx");
+ asm volatile("movbe %r15d,%edx");
+ asm volatile("movbe %r25d,0x123(%r16,%rax,4)");
+ asm volatile("movbe %r31,%r15");
+ asm volatile("movbe %r8,%r15");
+ asm volatile("movbe %r31,0x123(%r16,%rax,4)");
+ asm volatile("movbe %r31,0x123(%r31,%rax,4)");
+ asm volatile("movbe 0x123(%r16,%rax,4),%r31");
+ asm volatile("movbe 0x123(%r31,%rax,4),%r18w");
+ asm volatile("movbe 0x123(%r31,%rax,4),%r25d");
+ asm volatile("movdir64b 0x123(%r31d,%eax,4),%r25d");
+ asm volatile("movdir64b 0x123(%r31,%rax,4),%r31");
+ asm volatile("movdiri %r25d,0x123(%r31,%rax,4)");
+ asm volatile("movdiri %r31,0x123(%r31,%rax,4)");
+ asm volatile("pdep %r25d,%edx,%r10d");
+ asm volatile("pdep %r31,%r15,%r11");
+ asm volatile("pdep 0x123(%r31,%rax,4),%r25d,%edx");
+ asm volatile("pdep 0x123(%r31,%rax,4),%r31,%r15");
+ asm volatile("pext %r25d,%edx,%r10d");
+ asm volatile("pext %r31,%r15,%r11");
+ asm volatile("pext 0x123(%r31,%rax,4),%r25d,%edx");
+ asm volatile("pext 0x123(%r31,%rax,4),%r31,%r15");
+ asm volatile("shlx %r25d,%edx,%r10d");
+ asm volatile("shlx %r25d,0x123(%r31,%rax,4),%edx");
+ asm volatile("shlx %r31,%r15,%r11");
+ asm volatile("shlx %r31,0x123(%r31,%rax,4),%r15");
+ asm volatile("shrx %r25d,%edx,%r10d");
+ asm volatile("shrx %r25d,0x123(%r31,%rax,4),%edx");
+ asm volatile("shrx %r31,%r15,%r11");
+ asm volatile("shrx %r31,0x123(%r31,%rax,4),%r15");
+ asm volatile("sttilecfg 0x123(%r31,%rax,4)");
+ asm volatile("tileloadd 0x123(%r31,%rax,4),%tmm6");
+ asm volatile("tileloaddt1 0x123(%r31,%rax,4),%tmm6");
+ asm volatile("tilestored %tmm6,0x123(%r31,%rax,4)");
+ asm volatile("vbroadcastf128 (%r16),%ymm3");
+ asm volatile("vbroadcasti128 (%r16),%ymm3");
+ asm volatile("vextractf128 $1,%ymm3,(%r16)");
+ asm volatile("vextracti128 $1,%ymm3,(%r16)");
+ asm volatile("vinsertf128 $1,(%r16),%ymm3,%ymm8");
+ asm volatile("vinserti128 $1,(%r16),%ymm3,%ymm8");
+ asm volatile("vroundpd $1,(%r24),%xmm6");
+ asm volatile("vroundps $2,(%r24),%xmm6");
+ asm volatile("vroundsd $3,(%r24),%xmm6,%xmm3");
+ asm volatile("vroundss $4,(%r24),%xmm6,%xmm3");
+ asm volatile("wrssd %r25d,0x123(%r31,%rax,4)");
+ asm volatile("wrssq %r31,0x123(%r31,%rax,4)");
+ asm volatile("wrussd %r25d,0x123(%r31,%rax,4)");
+ asm volatile("wrussq %r31,0x123(%r31,%rax,4)");
+
+ /* APX new data destination */
+
+ asm volatile("adc $0x1234,%ax,%r30w");
+ asm volatile("adc %r15b,%r17b,%r18b");
+ asm volatile("adc %r15d,(%r8),%r18d");
+ asm volatile("adc (%r15,%rax,1),%r16b,%r8b");
+ asm volatile("adc (%r15,%rax,1),%r16w,%r8w");
+ asm volatile("adcl $0x11,(%r19,%rax,4),%r20d");
+ asm volatile("adcx %r15d,%r8d,%r18d");
+ asm volatile("adcx (%r15,%r31,1),%r8");
+ asm volatile("adcx (%r15,%r31,1),%r8d,%r18d");
+ asm volatile("add $0x1234,%ax,%r30w");
+ asm volatile("add $0x12344433,%r15,%r16");
+ asm volatile("add $0x34,%r13b,%r17b");
+ asm volatile("add $0xfffffffff4332211,%rax,%r8");
+ asm volatile("add %r31,%r8,%r16");
+ asm volatile("add %r31,(%r8),%r16");
+ asm volatile("add %r31,(%r8,%r16,8),%r16");
+ asm volatile("add %r31b,%r8b,%r16b");
+ asm volatile("add %r31d,%r8d,%r16d");
+ asm volatile("add %r31w,%r8w,%r16w");
+ asm volatile("add (%r31),%r8,%r16");
+ asm volatile("add 0x9090(%r31,%r16,1),%r8,%r16");
+ asm volatile("addb %r31b,%r8b,%r16b");
+ asm volatile("addl %r31d,%r8d,%r16d");
+ asm volatile("addl $0x11,(%r19,%rax,4),%r20d");
+ asm volatile("addq %r31,%r8,%r16");
+ asm volatile("addq $0x12344433,(%r15,%rcx,4),%r16");
+ asm volatile("addw %r31w,%r8w,%r16w");
+ asm volatile("adox %r15d,%r8d,%r18d");
+ asm volatile("{load} add %r31,%r8,%r16");
+ asm volatile("{store} add %r31,%r8,%r16");
+ asm volatile("adox (%r15,%r31,1),%r8");
+ asm volatile("adox (%r15,%r31,1),%r8d,%r18d");
+ asm volatile("and $0x1234,%ax,%r30w");
+ asm volatile("and %r15b,%r17b,%r18b");
+ asm volatile("and %r15d,(%r8),%r18d");
+ asm volatile("and (%r15,%rax,1),%r16b,%r8b");
+ asm volatile("and (%r15,%rax,1),%r16w,%r8w");
+ asm volatile("andl $0x11,(%r19,%rax,4),%r20d");
+ asm volatile("cmova 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovae 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovb 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovbe 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmove 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovg 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovge 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovl 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovle 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovne 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovno 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovnp 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovns 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovo 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovp 0x90909090(%eax),%edx,%r8d");
+ asm volatile("cmovs 0x90909090(%eax),%edx,%r8d");
+ asm volatile("dec %rax,%r17");
+ asm volatile("decb (%r31,%r12,1),%r8b");
+ asm volatile("imul 0x909(%rax,%r31,8),%rdx,%r25");
+ asm volatile("imul 0x90909(%eax),%edx,%r8d");
+ asm volatile("inc %r31,%r16");
+ asm volatile("inc %r31,%r8");
+ asm volatile("inc %rax,%rbx");
+ asm volatile("neg %rax,%r17");
+ asm volatile("negb (%r31,%r12,1),%r8b");
+ asm volatile("not %rax,%r17");
+ asm volatile("notb (%r31,%r12,1),%r8b");
+ asm volatile("or $0x1234,%ax,%r30w");
+ asm volatile("or %r15b,%r17b,%r18b");
+ asm volatile("or %r15d,(%r8),%r18d");
+ asm volatile("or (%r15,%rax,1),%r16b,%r8b");
+ asm volatile("or (%r15,%rax,1),%r16w,%r8w");
+ asm volatile("orl $0x11,(%r19,%rax,4),%r20d");
+ asm volatile("rcl $0x2,%r12b,%r31b");
+ asm volatile("rcl %cl,%r16b,%r8b");
+ asm volatile("rclb $0x1,(%rax),%r31b");
+ asm volatile("rcll $0x2,(%rax),%r31d");
+ asm volatile("rclw $0x1,(%rax),%r31w");
+ asm volatile("rclw %cl,(%r19,%rax,4),%r31w");
+ asm volatile("rcr $0x2,%r12b,%r31b");
+ asm volatile("rcr %cl,%r16b,%r8b");
+ asm volatile("rcrb $0x1,(%rax),%r31b");
+ asm volatile("rcrl $0x2,(%rax),%r31d");
+ asm volatile("rcrw $0x1,(%rax),%r31w");
+ asm volatile("rcrw %cl,(%r19,%rax,4),%r31w");
+ asm volatile("rol $0x2,%r12b,%r31b");
+ asm volatile("rol %cl,%r16b,%r8b");
+ asm volatile("rolb $0x1,(%rax),%r31b");
+ asm volatile("roll $0x2,(%rax),%r31d");
+ asm volatile("rolw $0x1,(%rax),%r31w");
+ asm volatile("rolw %cl,(%r19,%rax,4),%r31w");
+ asm volatile("ror $0x2,%r12b,%r31b");
+ asm volatile("ror %cl,%r16b,%r8b");
+ asm volatile("rorb $0x1,(%rax),%r31b");
+ asm volatile("rorl $0x2,(%rax),%r31d");
+ asm volatile("rorw $0x1,(%rax),%r31w");
+ asm volatile("rorw %cl,(%r19,%rax,4),%r31w");
+ asm volatile("sar $0x2,%r12b,%r31b");
+ asm volatile("sar %cl,%r16b,%r8b");
+ asm volatile("sarb $0x1,(%rax),%r31b");
+ asm volatile("sarl $0x2,(%rax),%r31d");
+ asm volatile("sarw $0x1,(%rax),%r31w");
+ asm volatile("sarw %cl,(%r19,%rax,4),%r31w");
+ asm volatile("sbb $0x1234,%ax,%r30w");
+ asm volatile("sbb %r15b,%r17b,%r18b");
+ asm volatile("sbb %r15d,(%r8),%r18d");
+ asm volatile("sbb (%r15,%rax,1),%r16b,%r8b");
+ asm volatile("sbb (%r15,%rax,1),%r16w,%r8w");
+ asm volatile("sbbl $0x11,(%r19,%rax,4),%r20d");
+ asm volatile("shl $0x2,%r12b,%r31b");
+ asm volatile("shl $0x2,%r12b,%r31b");
+ asm volatile("shl %cl,%r16b,%r8b");
+ asm volatile("shl %cl,%r16b,%r8b");
+ asm volatile("shlb $0x1,(%rax),%r31b");
+ asm volatile("shlb $0x1,(%rax),%r31b");
+ asm volatile("shld $0x1,%r12,(%rax),%r31");
+ asm volatile("shld $0x2,%r15d,(%rax),%r31d");
+ asm volatile("shld $0x2,%r8w,%r12w,%r31w");
+ asm volatile("shld %cl,%r12,%r16,%r8");
+ asm volatile("shld %cl,%r13w,(%r19,%rax,4),%r31w");
+ asm volatile("shld %cl,%r9w,(%rax),%r31w");
+ asm volatile("shll $0x2,(%rax),%r31d");
+ asm volatile("shll $0x2,(%rax),%r31d");
+ asm volatile("shlw $0x1,(%rax),%r31w");
+ asm volatile("shlw $0x1,(%rax),%r31w");
+ asm volatile("shlw %cl,(%r19,%rax,4),%r31w");
+ asm volatile("shlw %cl,(%r19,%rax,4),%r31w");
+ asm volatile("shr $0x2,%r12b,%r31b");
+ asm volatile("shr %cl,%r16b,%r8b");
+ asm volatile("shrb $0x1,(%rax),%r31b");
+ asm volatile("shrd $0x1,%r12,(%rax),%r31");
+ asm volatile("shrd $0x2,%r15d,(%rax),%r31d");
+ asm volatile("shrd $0x2,%r8w,%r12w,%r31w");
+ asm volatile("shrd %cl,%r12,%r16,%r8");
+ asm volatile("shrd %cl,%r13w,(%r19,%rax,4),%r31w");
+ asm volatile("shrd %cl,%r9w,(%rax),%r31w");
+ asm volatile("shrl $0x2,(%rax),%r31d");
+ asm volatile("shrw $0x1,(%rax),%r31w");
+ asm volatile("shrw %cl,(%r19,%rax,4),%r31w");
+ asm volatile("sub $0x1234,%ax,%r30w");
+ asm volatile("sub %r15b,%r17b,%r18b");
+ asm volatile("sub %r15d,(%r8),%r18d");
+ asm volatile("sub (%r15,%rax,1),%r16b,%r8b");
+ asm volatile("sub (%r15,%rax,1),%r16w,%r8w");
+ asm volatile("subl $0x11,(%r19,%rax,4),%r20d");
+ asm volatile("xor $0x1234,%ax,%r30w");
+ asm volatile("xor %r15b,%r17b,%r18b");
+ asm volatile("xor %r15d,(%r8),%r18d");
+ asm volatile("xor (%r15,%rax,1),%r16b,%r8b");
+ asm volatile("xor (%r15,%rax,1),%r16w,%r8w");
+ asm volatile("xorl $0x11,(%r19,%rax,4),%r20d");
+
+ /* APX suppress status flags */
+
+ asm volatile("{nf} add %bl,%dl,%r8b");
+ asm volatile("{nf} add %dx,%ax,%r9w");
+ asm volatile("{nf} add 0x123(%r8,%rax,4),%bl,%dl");
+ asm volatile("{nf} add 0x123(%r8,%rax,4),%dx,%ax");
+ asm volatile("{nf} or %bl,%dl,%r8b");
+ asm volatile("{nf} or %dx,%ax,%r9w");
+ asm volatile("{nf} or 0x123(%r8,%rax,4),%bl,%dl");
+ asm volatile("{nf} or 0x123(%r8,%rax,4),%dx,%ax");
+ asm volatile("{nf} and %bl,%dl,%r8b");
+ asm volatile("{nf} and %dx,%ax,%r9w");
+ asm volatile("{nf} and 0x123(%r8,%rax,4),%bl,%dl");
+ asm volatile("{nf} and 0x123(%r8,%rax,4),%dx,%ax");
+ asm volatile("{nf} shld $0x7b,%dx,%ax,%r9w");
+ asm volatile("{nf} sub %bl,%dl,%r8b");
+ asm volatile("{nf} sub %dx,%ax,%r9w");
+ asm volatile("{nf} sub 0x123(%r8,%rax,4),%bl,%dl");
+ asm volatile("{nf} sub 0x123(%r8,%rax,4),%dx,%ax");
+ asm volatile("{nf} shrd $0x7b,%dx,%ax,%r9w");
+ asm volatile("{nf} xor %bl,%dl,%r8b");
+ asm volatile("{nf} xor %r31,%r31");
+ asm volatile("{nf} xor 0x123(%r8,%rax,4),%bl,%dl");
+ asm volatile("{nf} xor 0x123(%r8,%rax,4),%dx,%ax");
+ asm volatile("{nf} imul $0xff90,%r9,%r15");
+ asm volatile("{nf} imul $0x7b,%r9,%r15");
+ asm volatile("{nf} xor $0x7b,%bl,%dl");
+ asm volatile("{nf} xor $0x7b,%dx,%ax");
+ asm volatile("{nf} popcnt %r9,%r31");
+ asm volatile("{nf} shld %cl,%dx,%ax,%r9w");
+ asm volatile("{nf} shrd %cl,%dx,%ax,%r9w");
+ asm volatile("{nf} imul %r9,%r31,%r11");
+ asm volatile("{nf} sar $0x7b,%bl,%dl");
+ asm volatile("{nf} sar $0x7b,%dx,%ax");
+ asm volatile("{nf} sar $1,%bl,%dl");
+ asm volatile("{nf} sar $1,%dx,%ax");
+ asm volatile("{nf} sar %cl,%bl,%dl");
+ asm volatile("{nf} sar %cl,%dx,%ax");
+ asm volatile("{nf} andn %r9,%r31,%r11");
+ asm volatile("{nf} blsi %r9,%r31");
+ asm volatile("{nf} tzcnt %r9,%r31");
+ asm volatile("{nf} lzcnt %r9,%r31");
+ asm volatile("{nf} idiv %bl");
+ asm volatile("{nf} idiv %dx");
+ asm volatile("{nf} dec %bl,%dl");
+ asm volatile("{nf} dec %dx,%ax");
+
#else /* #ifdef __x86_64__ */
/* bound r32, mem (same op code as EVEX prefix) */
@@ -1875,6 +3666,69 @@ int main(void)
asm volatile("vrsqrt14ss %xmm4,%xmm5,%xmm6{%k7}");
asm volatile("vrsqrt14sd %xmm4,%xmm5,%xmm6{%k7}");
+ /* AVX-512: Op code 0f 38 50 */
+
+ asm volatile("vpdpbusd %xmm1, %xmm2, %xmm3");
+ asm volatile("vpdpbusd %ymm1, %ymm2, %ymm3");
+ asm volatile("vpdpbusd %zmm1, %zmm2, %zmm3");
+ asm volatile("vpdpbusd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 51 */
+
+ asm volatile("vpdpbusds %xmm1, %xmm2, %xmm3");
+ asm volatile("vpdpbusds %ymm1, %ymm2, %ymm3");
+ asm volatile("vpdpbusds %zmm1, %zmm2, %zmm3");
+ asm volatile("vpdpbusds 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 52 */
+
+ asm volatile("vdpbf16ps %xmm1, %xmm2, %xmm3");
+ asm volatile("vdpbf16ps %ymm1, %ymm2, %ymm3");
+ asm volatile("vdpbf16ps %zmm1, %zmm2, %zmm3");
+ asm volatile("vdpbf16ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vpdpwssd %xmm1, %xmm2, %xmm3");
+ asm volatile("vpdpwssd %ymm1, %ymm2, %ymm3");
+ asm volatile("vpdpwssd %zmm1, %zmm2, %zmm3");
+ asm volatile("vpdpwssd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vp4dpwssd (%eax), %zmm0, %zmm4");
+ asm volatile("vp4dpwssd 0x12345678(%eax,%ecx,8),%zmm0,%zmm4");
+
+ /* AVX-512: Op code 0f 38 53 */
+
+ asm volatile("vpdpwssds %xmm1, %xmm2, %xmm3");
+ asm volatile("vpdpwssds %ymm1, %ymm2, %ymm3");
+ asm volatile("vpdpwssds %zmm1, %zmm2, %zmm3");
+ asm volatile("vpdpwssds 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vp4dpwssds (%eax), %zmm0, %zmm4");
+ asm volatile("vp4dpwssds 0x12345678(%eax,%ecx,8),%zmm0,%zmm4");
+
+ /* AVX-512: Op code 0f 38 54 */
+
+ asm volatile("vpopcntb %xmm1, %xmm2");
+ asm volatile("vpopcntb %ymm1, %ymm2");
+ asm volatile("vpopcntb %zmm1, %zmm2");
+ asm volatile("vpopcntb 0x12345678(%eax,%ecx,8),%zmm2");
+
+ asm volatile("vpopcntw %xmm1, %xmm2");
+ asm volatile("vpopcntw %ymm1, %ymm2");
+ asm volatile("vpopcntw %zmm1, %zmm2");
+ asm volatile("vpopcntw 0x12345678(%eax,%ecx,8),%zmm2");
+
+ /* AVX-512: Op code 0f 38 55 */
+
+ asm volatile("vpopcntd %xmm1, %xmm2");
+ asm volatile("vpopcntd %ymm1, %ymm2");
+ asm volatile("vpopcntd %zmm1, %zmm2");
+ asm volatile("vpopcntd 0x12345678(%eax,%ecx,8),%zmm2");
+
+ asm volatile("vpopcntq %xmm1, %xmm2");
+ asm volatile("vpopcntq %ymm1, %ymm2");
+ asm volatile("vpopcntq %zmm1, %zmm2");
+ asm volatile("vpopcntq 0x12345678(%eax,%ecx,8),%zmm2");
+
/* AVX-512: Op code 0f 38 59 */
asm volatile("vpbroadcastq %xmm4,%xmm6");
@@ -1891,6 +3745,30 @@ int main(void)
asm volatile("vbroadcasti32x8 (%ecx),%zmm6");
asm volatile("vbroadcasti64x4 (%ecx),%zmm6");
+ /* AVX-512: Op code 0f 38 62 */
+
+ asm volatile("vpexpandb %xmm1, %xmm2");
+ asm volatile("vpexpandb %ymm1, %ymm2");
+ asm volatile("vpexpandb %zmm1, %zmm2");
+ asm volatile("vpexpandb 0x12345678(%eax,%ecx,8),%zmm2");
+
+ asm volatile("vpexpandw %xmm1, %xmm2");
+ asm volatile("vpexpandw %ymm1, %ymm2");
+ asm volatile("vpexpandw %zmm1, %zmm2");
+ asm volatile("vpexpandw 0x12345678(%eax,%ecx,8),%zmm2");
+
+ /* AVX-512: Op code 0f 38 63 */
+
+ asm volatile("vpcompressb %xmm1, %xmm2");
+ asm volatile("vpcompressb %ymm1, %ymm2");
+ asm volatile("vpcompressb %zmm1, %zmm2");
+ asm volatile("vpcompressb %zmm2,0x12345678(%eax,%ecx,8)");
+
+ asm volatile("vpcompressw %xmm1, %xmm2");
+ asm volatile("vpcompressw %ymm1, %ymm2");
+ asm volatile("vpcompressw %zmm1, %zmm2");
+ asm volatile("vpcompressw %zmm2,0x12345678(%eax,%ecx,8)");
+
/* AVX-512: Op code 0f 38 64 */
asm volatile("vpblendmd %zmm4,%zmm5,%zmm6");
@@ -1906,6 +3784,66 @@ int main(void)
asm volatile("vpblendmb %zmm4,%zmm5,%zmm6");
asm volatile("vpblendmw %zmm4,%zmm5,%zmm6");
+ /* AVX-512: Op code 0f 38 68 */
+
+ asm volatile("vp2intersectd %xmm1, %xmm2, %k3");
+ asm volatile("vp2intersectd %ymm1, %ymm2, %k3");
+ asm volatile("vp2intersectd %zmm1, %zmm2, %k3");
+ asm volatile("vp2intersectd 0x12345678(%eax,%ecx,8),%zmm2,%k3");
+
+ asm volatile("vp2intersectq %xmm1, %xmm2, %k3");
+ asm volatile("vp2intersectq %ymm1, %ymm2, %k3");
+ asm volatile("vp2intersectq %zmm1, %zmm2, %k3");
+ asm volatile("vp2intersectq 0x12345678(%eax,%ecx,8),%zmm2,%k3");
+
+ /* AVX-512: Op code 0f 38 70 */
+
+ asm volatile("vpshldvw %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshldvw %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshldvw %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshldvw 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 71 */
+
+ asm volatile("vpshldvd %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshldvd %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshldvd %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshldvd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vpshldvq %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshldvq %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshldvq %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshldvq 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 72 */
+
+ asm volatile("vcvtne2ps2bf16 %xmm1, %xmm2, %xmm3");
+ asm volatile("vcvtne2ps2bf16 %ymm1, %ymm2, %ymm3");
+ asm volatile("vcvtne2ps2bf16 %zmm1, %zmm2, %zmm3");
+ asm volatile("vcvtne2ps2bf16 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vcvtneps2bf16 %xmm1, %xmm2");
+ asm volatile("vcvtneps2bf16 %ymm1, %xmm2");
+ asm volatile("vcvtneps2bf16 %zmm1, %ymm2");
+ asm volatile("vcvtneps2bf16 0x12345678(%eax,%ecx,8),%ymm2");
+
+ asm volatile("vpshrdvw %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshrdvw %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshrdvw %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshrdvw 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 73 */
+
+ asm volatile("vpshrdvd %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshrdvd %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshrdvd %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshrdvd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vpshrdvq %xmm1, %xmm2, %xmm3");
+ asm volatile("vpshrdvq %ymm1, %ymm2, %ymm3");
+ asm volatile("vpshrdvq %zmm1, %zmm2, %zmm3");
+ asm volatile("vpshrdvq 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
/* AVX-512: Op code 0f 38 75 */
asm volatile("vpermi2b %zmm4,%zmm5,%zmm6");
@@ -1977,6 +3915,13 @@ int main(void)
asm volatile("vpermb %zmm4,%zmm5,%zmm6");
asm volatile("vpermw %zmm4,%zmm5,%zmm6");
+ /* AVX-512: Op code 0f 38 8f */
+
+ asm volatile("vpshufbitqmb %xmm1, %xmm2, %k3");
+ asm volatile("vpshufbitqmb %ymm1, %ymm2, %k3");
+ asm volatile("vpshufbitqmb %zmm1, %zmm2, %k3");
+ asm volatile("vpshufbitqmb 0x12345678(%eax,%ecx,8),%zmm2,%k3");
+
/* AVX-512: Op code 0f 38 90 */
asm volatile("vpgatherdd %xmm2,0x02(%ebp,%xmm7,2),%xmm1");
@@ -1991,6 +3936,32 @@ int main(void)
asm volatile("vpgatherqd 0x7b(%ebp,%zmm7,8),%ymm6{%k1}");
asm volatile("vpgatherqq 0x7b(%ebp,%zmm7,8),%zmm6{%k1}");
+ /* AVX-512: Op code 0f 38 9a */
+
+ asm volatile("vfmsub132ps %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub132ps %ymm1, %ymm2, %ymm3");
+ asm volatile("vfmsub132ps %zmm1, %zmm2, %zmm3");
+ asm volatile("vfmsub132ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vfmsub132pd %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub132pd %ymm1, %ymm2, %ymm3");
+ asm volatile("vfmsub132pd %zmm1, %zmm2, %zmm3");
+ asm volatile("vfmsub132pd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("v4fmaddps (%eax), %zmm0, %zmm4");
+ asm volatile("v4fmaddps 0x12345678(%eax,%ecx,8),%zmm0,%zmm4");
+
+ /* AVX-512: Op code 0f 38 9b */
+
+ asm volatile("vfmsub132ss %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub132ss 0x12345678(%eax,%ecx,8),%xmm2,%xmm3");
+
+ asm volatile("vfmsub132sd %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub132sd 0x12345678(%eax,%ecx,8),%xmm2,%xmm3");
+
+ asm volatile("v4fmaddss (%eax), %xmm0, %xmm4");
+ asm volatile("v4fmaddss 0x12345678(%eax,%ecx,8),%xmm0,%xmm4");
+
/* AVX-512: Op code 0f 38 a0 */
asm volatile("vpscatterdd %zmm6,0x7b(%ebp,%zmm7,8){%k1}");
@@ -2011,6 +3982,32 @@ int main(void)
asm volatile("vscatterqps %ymm6,0x7b(%ebp,%zmm7,8){%k1}");
asm volatile("vscatterqpd %zmm6,0x7b(%ebp,%zmm7,8){%k1}");
+ /* AVX-512: Op code 0f 38 aa */
+
+ asm volatile("vfmsub213ps %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub213ps %ymm1, %ymm2, %ymm3");
+ asm volatile("vfmsub213ps %zmm1, %zmm2, %zmm3");
+ asm volatile("vfmsub213ps 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("vfmsub213pd %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub213pd %ymm1, %ymm2, %ymm3");
+ asm volatile("vfmsub213pd %zmm1, %zmm2, %zmm3");
+ asm volatile("vfmsub213pd 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ asm volatile("v4fnmaddps (%eax), %zmm0, %zmm4");
+ asm volatile("v4fnmaddps 0x12345678(%eax,%ecx,8),%zmm0,%zmm4");
+
+ /* AVX-512: Op code 0f 38 ab */
+
+ asm volatile("vfmsub213ss %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub213ss 0x12345678(%eax,%ecx,8),%xmm2,%xmm3");
+
+ asm volatile("vfmsub213sd %xmm1, %xmm2, %xmm3");
+ asm volatile("vfmsub213sd 0x12345678(%eax,%ecx,8),%xmm2,%xmm3");
+
+ asm volatile("v4fnmaddss (%eax), %xmm0, %xmm4");
+ asm volatile("v4fnmaddss 0x12345678(%eax,%ecx,8),%xmm0,%xmm4");
+
/* AVX-512: Op code 0f 38 b4 */
asm volatile("vpmadd52luq %zmm4,%zmm5,%zmm6");
@@ -2049,6 +4046,44 @@ int main(void)
asm volatile("vrsqrt28ss %xmm5,%xmm6,%xmm7{%k7}");
asm volatile("vrsqrt28sd %xmm5,%xmm6,%xmm7{%k7}");
+ /* AVX-512: Op code 0f 38 cf */
+
+ asm volatile("gf2p8mulb %xmm1, %xmm3");
+ asm volatile("gf2p8mulb 0x12345678(%eax,%ecx,8),%xmm3");
+
+ asm volatile("vgf2p8mulb %xmm1, %xmm2, %xmm3");
+ asm volatile("vgf2p8mulb %ymm1, %ymm2, %ymm3");
+ asm volatile("vgf2p8mulb %zmm1, %zmm2, %zmm3");
+ asm volatile("vgf2p8mulb 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 dc */
+
+ asm volatile("vaesenc %xmm1, %xmm2, %xmm3");
+ asm volatile("vaesenc %ymm1, %ymm2, %ymm3");
+ asm volatile("vaesenc %zmm1, %zmm2, %zmm3");
+ asm volatile("vaesenc 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 dd */
+
+ asm volatile("vaesenclast %xmm1, %xmm2, %xmm3");
+ asm volatile("vaesenclast %ymm1, %ymm2, %ymm3");
+ asm volatile("vaesenclast %zmm1, %zmm2, %zmm3");
+ asm volatile("vaesenclast 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 de */
+
+ asm volatile("vaesdec %xmm1, %xmm2, %xmm3");
+ asm volatile("vaesdec %ymm1, %ymm2, %ymm3");
+ asm volatile("vaesdec %zmm1, %zmm2, %zmm3");
+ asm volatile("vaesdec 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 38 df */
+
+ asm volatile("vaesdeclast %xmm1, %xmm2, %xmm3");
+ asm volatile("vaesdeclast %ymm1, %ymm2, %ymm3");
+ asm volatile("vaesdeclast %zmm1, %zmm2, %zmm3");
+ asm volatile("vaesdeclast 0x12345678(%eax,%ecx,8),%zmm2,%zmm3");
+
/* AVX-512: Op code 0f 3a 03 */
asm volatile("valignd $0x12,%zmm5,%zmm6,%zmm7");
@@ -2168,6 +4203,12 @@ int main(void)
asm volatile("vshufi32x4 $0x12,%zmm5,%zmm6,%zmm7");
asm volatile("vshufi64x2 $0x12,%zmm5,%zmm6,%zmm7");
+ /* AVX-512: Op code 0f 3a 44 */
+
+ asm volatile("vpclmulqdq $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpclmulqdq $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpclmulqdq $0x12,%zmm1,%zmm2,%zmm3");
+
/* AVX-512: Op code 0f 3a 50 */
asm volatile("vrangeps $0x12,%zmm5,%zmm6,%zmm7");
@@ -2208,6 +4249,54 @@ int main(void)
asm volatile("vfpclassss $0x12,%xmm7,%k5");
asm volatile("vfpclasssd $0x12,%xmm7,%k5");
+ /* AVX-512: Op code 0f 3a 70 */
+
+ asm volatile("vpshldw $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshldw $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshldw $0x12,%zmm1,%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 3a 71 */
+
+ asm volatile("vpshldd $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshldd $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshldd $0x12,%zmm1,%zmm2,%zmm3");
+
+ asm volatile("vpshldq $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshldq $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshldq $0x12,%zmm1,%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 3a 72 */
+
+ asm volatile("vpshrdw $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshrdw $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshrdw $0x12,%zmm1,%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 3a 73 */
+
+ asm volatile("vpshrdd $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshrdd $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshrdd $0x12,%zmm1,%zmm2,%zmm3");
+
+ asm volatile("vpshrdq $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vpshrdq $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vpshrdq $0x12,%zmm1,%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 3a ce */
+
+ asm volatile("gf2p8affineqb $0x12,%xmm1,%xmm3");
+
+ asm volatile("vgf2p8affineqb $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vgf2p8affineqb $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vgf2p8affineqb $0x12,%zmm1,%zmm2,%zmm3");
+
+ /* AVX-512: Op code 0f 3a cf */
+
+ asm volatile("gf2p8affineinvqb $0x12,%xmm1,%xmm3");
+
+ asm volatile("vgf2p8affineinvqb $0x12,%xmm1,%xmm2,%xmm3");
+ asm volatile("vgf2p8affineinvqb $0x12,%ymm1,%ymm2,%ymm3");
+ asm volatile("vgf2p8affineinvqb $0x12,%zmm1,%zmm2,%zmm3");
+
/* AVX-512: Op code 0f 72 (Grp13) */
asm volatile("vprord $0x12,%zmm5,%zmm6");
@@ -2635,6 +4724,12 @@ int main(void)
asm volatile("xsaveopt (%eax)");
asm volatile("mfence");
+ /* cldemote m8 */
+
+ asm volatile("cldemote (%eax)");
+ asm volatile("cldemote (0x12345678)");
+ asm volatile("cldemote 0x12345678(%eax,%ecx,8)");
+
/* xsavec mem */
asm volatile("xsavec (%eax)");
@@ -2653,8 +4748,730 @@ int main(void)
asm volatile("xrstors (0x12345678)");
asm volatile("xrstors 0x12345678(%eax,%ecx,8)");
+ /* ptwrite */
+
+ asm volatile("ptwrite (%eax)");
+ asm volatile("ptwrite (0x12345678)");
+ asm volatile("ptwrite 0x12345678(%eax,%ecx,8)");
+
+ asm volatile("ptwritel (%eax)");
+ asm volatile("ptwritel (0x12345678)");
+ asm volatile("ptwritel 0x12345678(%eax,%ecx,8)");
+
+ /* tpause */
+
+ asm volatile("tpause %ebx");
+
+ /* umonitor */
+
+ asm volatile("umonitor %ax");
+ asm volatile("umonitor %eax");
+
+ /* umwait */
+
+ asm volatile("umwait %eax");
+
+ /* movdiri */
+
+ asm volatile("movdiri %eax,(%ebx)");
+ asm volatile("movdiri %ecx,0x12345678(%eax)");
+
+ /* movdir64b */
+
+ asm volatile("movdir64b (%eax),%ebx");
+ asm volatile("movdir64b 0x12345678(%eax),%ecx");
+ asm volatile("movdir64b (%si),%bx");
+ asm volatile("movdir64b 0x1234(%si),%cx");
+
+ /* enqcmd */
+
+ asm volatile("enqcmd (%eax),%ebx");
+ asm volatile("enqcmd 0x12345678(%eax),%ecx");
+ asm volatile("enqcmd (%si),%bx");
+ asm volatile("enqcmd 0x1234(%si),%cx");
+
+ /* enqcmds */
+
+ asm volatile("enqcmds (%eax),%ebx");
+ asm volatile("enqcmds 0x12345678(%eax),%ecx");
+ asm volatile("enqcmds (%si),%bx");
+ asm volatile("enqcmds 0x1234(%si),%cx");
+
+ /* incsspd */
+
+ asm volatile("incsspd %eax");
+ /* Also check instructions in the same group encoding as incsspd */
+ asm volatile("xrstor (%eax)");
+ asm volatile("xrstor (0x12345678)");
+ asm volatile("xrstor 0x12345678(%eax,%ecx,8)");
+ asm volatile("lfence");
+
+ /* rdsspd */
+
+ asm volatile("rdsspd %eax");
+
+ /* saveprevssp */
+
+ asm volatile("saveprevssp");
+
+ /* rstorssp */
+
+ asm volatile("rstorssp (%eax)");
+ asm volatile("rstorssp (0x12345678)");
+ asm volatile("rstorssp 0x12345678(%eax,%ecx,8)");
+
+ /* wrssd */
+
+ asm volatile("wrssd %ecx,(%eax)");
+ asm volatile("wrssd %edx,(0x12345678)");
+ asm volatile("wrssd %edx,0x12345678(%eax,%ecx,8)");
+
+ /* wrussd */
+
+ asm volatile("wrussd %ecx,(%eax)");
+ asm volatile("wrussd %edx,(0x12345678)");
+ asm volatile("wrussd %edx,0x12345678(%eax,%ecx,8)");
+
+ /* setssbsy */
+
+ asm volatile("setssbsy");
+ /* Also check instructions in the same group encoding as setssbsy */
+ asm volatile("rdpkru");
+ asm volatile("wrpkru");
+
+ /* clrssbsy */
+
+ asm volatile("clrssbsy (%eax)");
+ asm volatile("clrssbsy (0x12345678)");
+ asm volatile("clrssbsy 0x12345678(%eax,%ecx,8)");
+
+ /* endbr32/64 */
+
+ asm volatile("endbr32");
+ asm volatile("endbr64");
+
+ /* call with/without notrack prefix */
+
+ asm volatile("call *%eax"); /* Expecting: call indirect 0 */
+ asm volatile("call *(%eax)"); /* Expecting: call indirect 0 */
+ asm volatile("call *(0x12345678)"); /* Expecting: call indirect 0 */
+ asm volatile("call *0x12345678(%eax,%ecx,8)"); /* Expecting: call indirect 0 */
+
+ asm volatile("bnd call *%eax"); /* Expecting: call indirect 0 */
+ asm volatile("bnd call *(%eax)"); /* Expecting: call indirect 0 */
+ asm volatile("bnd call *(0x12345678)"); /* Expecting: call indirect 0 */
+ asm volatile("bnd call *0x12345678(%eax,%ecx,8)"); /* Expecting: call indirect 0 */
+
+ asm volatile("notrack call *%eax"); /* Expecting: call indirect 0 */
+ asm volatile("notrack call *(%eax)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack call *(0x12345678)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack call *0x12345678(%eax,%ecx,8)"); /* Expecting: call indirect 0 */
+
+ asm volatile("notrack bnd call *%eax"); /* Expecting: call indirect 0 */
+ asm volatile("notrack bnd call *(%eax)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack bnd call *(0x12345678)"); /* Expecting: call indirect 0 */
+ asm volatile("notrack bnd call *0x12345678(%eax,%ecx,8)"); /* Expecting: call indirect 0 */
+
+ /* jmp with/without notrack prefix */
+
+ asm volatile("jmp *%eax"); /* Expecting: jmp indirect 0 */
+ asm volatile("jmp *(%eax)"); /* Expecting: jmp indirect 0 */
+ asm volatile("jmp *(0x12345678)"); /* Expecting: jmp indirect 0 */
+ asm volatile("jmp *0x12345678(%eax,%ecx,8)"); /* Expecting: jmp indirect 0 */
+
+ asm volatile("bnd jmp *%eax"); /* Expecting: jmp indirect 0 */
+ asm volatile("bnd jmp *(%eax)"); /* Expecting: jmp indirect 0 */
+ asm volatile("bnd jmp *(0x12345678)"); /* Expecting: jmp indirect 0 */
+ asm volatile("bnd jmp *0x12345678(%eax,%ecx,8)"); /* Expecting: jmp indirect 0 */
+
+ asm volatile("notrack jmp *%eax"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack jmp *(%eax)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack jmp *(0x12345678)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack jmp *0x12345678(%eax,%ecx,8)"); /* Expecting: jmp indirect 0 */
+
+ asm volatile("notrack bnd jmp *%eax"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack bnd jmp *(%eax)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack bnd jmp *(0x12345678)"); /* Expecting: jmp indirect 0 */
+ asm volatile("notrack bnd jmp *0x12345678(%eax,%ecx,8)"); /* Expecting: jmp indirect 0 */
+
+ /* AVX512-FP16 */
+
+ asm volatile("vaddph %zmm3, %zmm2, %zmm1");
+ asm volatile("vaddph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vaddph %xmm3, %xmm2, %xmm1");
+ asm volatile("vaddph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vaddph %ymm3, %ymm2, %ymm1");
+ asm volatile("vaddph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vaddsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vaddsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcmpph $0x12, %zmm3, %zmm2, %k5");
+ asm volatile("vcmpph $0x12, 0x12345678(%eax,%ecx,8), %zmm2, %k5");
+ asm volatile("vcmpph $0x12, %xmm3, %xmm2, %k5");
+ asm volatile("vcmpph $0x12, 0x12345678(%eax,%ecx,8), %xmm2, %k5");
+ asm volatile("vcmpph $0x12, %ymm3, %ymm2, %k5");
+ asm volatile("vcmpph $0x12, 0x12345678(%eax,%ecx,8), %ymm2, %k5");
+ asm volatile("vcmpsh $0x12, %xmm3, %xmm2, %k5");
+ asm volatile("vcmpsh $0x12, 0x12345678(%eax,%ecx,8), %xmm2, %k5");
+ asm volatile("vcomish %xmm2, %xmm1");
+ asm volatile("vcomish 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtdq2ph %zmm2, %ymm1");
+ asm volatile("vcvtdq2ph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtdq2ph %xmm2, %xmm1");
+ asm volatile("vcvtdq2ph %ymm2, %xmm1");
+ asm volatile("vcvtpd2ph %zmm2, %xmm1");
+ asm volatile("vcvtpd2ph %xmm2, %xmm1");
+ asm volatile("vcvtpd2ph %ymm2, %xmm1");
+ asm volatile("vcvtph2dq %ymm2, %zmm1");
+ asm volatile("vcvtph2dq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2dq %xmm2, %xmm1");
+ asm volatile("vcvtph2dq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2dq %xmm2, %ymm1");
+ asm volatile("vcvtph2dq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2pd %xmm2, %zmm1");
+ asm volatile("vcvtph2pd 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2pd %xmm2, %xmm1");
+ asm volatile("vcvtph2pd 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2pd %xmm2, %ymm1");
+ asm volatile("vcvtph2pd 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2ps %ymm2, %zmm1");
+ asm volatile("vcvtph2ps 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2ps %xmm2, %xmm1");
+ asm volatile("vcvtph2ps 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2ps %xmm2, %ymm1");
+ asm volatile("vcvtph2ps 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2ps %xmm2, %xmm1");
+ asm volatile("vcvtph2ps 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2ps %xmm2, %ymm1");
+ asm volatile("vcvtph2ps 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2psx %ymm2, %zmm1");
+ asm volatile("vcvtph2psx 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2psx %xmm2, %xmm1");
+ asm volatile("vcvtph2psx 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2psx %xmm2, %ymm1");
+ asm volatile("vcvtph2psx 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2qq %xmm2, %zmm1");
+ asm volatile("vcvtph2qq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2qq %xmm2, %xmm1");
+ asm volatile("vcvtph2qq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2qq %xmm2, %ymm1");
+ asm volatile("vcvtph2qq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2udq %ymm2, %zmm1");
+ asm volatile("vcvtph2udq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2udq %xmm2, %xmm1");
+ asm volatile("vcvtph2udq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2udq %xmm2, %ymm1");
+ asm volatile("vcvtph2udq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2uqq %xmm2, %zmm1");
+ asm volatile("vcvtph2uqq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2uqq %xmm2, %xmm1");
+ asm volatile("vcvtph2uqq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2uqq %xmm2, %ymm1");
+ asm volatile("vcvtph2uqq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2uw %zmm2, %zmm1");
+ asm volatile("vcvtph2uw 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2uw %xmm2, %xmm1");
+ asm volatile("vcvtph2uw 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2uw %ymm2, %ymm1");
+ asm volatile("vcvtph2uw 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtph2w %zmm2, %zmm1");
+ asm volatile("vcvtph2w 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtph2w %xmm2, %xmm1");
+ asm volatile("vcvtph2w 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtph2w %ymm2, %ymm1");
+ asm volatile("vcvtph2w 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtps2ph $0x12, %zmm1, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vcvtps2ph $0x12, %zmm2, %ymm1");
+ asm volatile("vcvtps2ph $0x12, %ymm1, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vcvtps2ph $0x12, %xmm1, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vcvtps2ph $0x12, %xmm2, %xmm1");
+ asm volatile("vcvtps2ph $0x12, %ymm2, %xmm1");
+ asm volatile("vcvtps2ph $0x12, %ymm2, %xmm1");
+ asm volatile("vcvtps2ph $0x12, %ymm2, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vcvtps2ph $0x12, %xmm2, %xmm1");
+ asm volatile("vcvtps2ph $0x12, %xmm2, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vcvtps2phx %zmm2, %ymm1");
+ asm volatile("vcvtps2phx 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtps2phx %xmm2, %xmm1");
+ asm volatile("vcvtps2phx %ymm2, %xmm1");
+ asm volatile("vcvtqq2ph %zmm2, %xmm1");
+ asm volatile("vcvtqq2ph %xmm2, %xmm1");
+ asm volatile("vcvtqq2ph %ymm2, %xmm1");
+ asm volatile("vcvtsd2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtsh2sd 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtsh2si 0x12345678(%eax,%ecx,8), %eax");
+ asm volatile("vcvtsh2ss 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtsh2usi %xmm1, %eax");
+ asm volatile("vcvtsh2usi 0x12345678(%eax,%ecx,8), %eax");
+ asm volatile("vcvtsi2sh %eax, %xmm2, %xmm1");
+ asm volatile("vcvtsi2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtsi2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtss2sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vcvtss2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvttph2dq %ymm2, %zmm1");
+ asm volatile("vcvttph2dq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2dq %xmm2, %xmm1");
+ asm volatile("vcvttph2dq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2dq %xmm2, %ymm1");
+ asm volatile("vcvttph2dq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttph2qq %xmm2, %zmm1");
+ asm volatile("vcvttph2qq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2qq %xmm2, %xmm1");
+ asm volatile("vcvttph2qq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2qq %xmm2, %ymm1");
+ asm volatile("vcvttph2qq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttph2udq %ymm2, %zmm1");
+ asm volatile("vcvttph2udq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2udq %xmm2, %xmm1");
+ asm volatile("vcvttph2udq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2udq %xmm2, %ymm1");
+ asm volatile("vcvttph2udq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttph2uqq %xmm2, %zmm1");
+ asm volatile("vcvttph2uqq 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2uqq %xmm2, %xmm1");
+ asm volatile("vcvttph2uqq 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2uqq %xmm2, %ymm1");
+ asm volatile("vcvttph2uqq 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttph2uw %zmm2, %zmm1");
+ asm volatile("vcvttph2uw 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2uw %xmm2, %xmm1");
+ asm volatile("vcvttph2uw 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2uw %ymm2, %ymm1");
+ asm volatile("vcvttph2uw 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttph2w %zmm2, %zmm1");
+ asm volatile("vcvttph2w 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvttph2w %xmm2, %xmm1");
+ asm volatile("vcvttph2w 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvttph2w %ymm2, %ymm1");
+ asm volatile("vcvttph2w 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvttsh2si %xmm1, %eax");
+ asm volatile("vcvttsh2si 0x12345678(%eax,%ecx,8), %eax");
+ asm volatile("vcvttsh2usi %xmm1, %eax");
+ asm volatile("vcvttsh2usi 0x12345678(%eax,%ecx,8), %eax");
+ asm volatile("vcvtudq2ph %zmm2, %ymm1");
+ asm volatile("vcvtudq2ph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtudq2ph %xmm2, %xmm1");
+ asm volatile("vcvtudq2ph %ymm2, %xmm1");
+ asm volatile("vcvtuqq2ph %zmm2, %xmm1");
+ asm volatile("vcvtuqq2ph %xmm2, %xmm1");
+ asm volatile("vcvtuqq2ph %ymm2, %xmm1");
+ asm volatile("vcvtusi2sh %eax, %xmm2, %xmm1");
+ asm volatile("vcvtusi2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtusi2sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vcvtuw2ph %zmm2, %zmm1");
+ asm volatile("vcvtuw2ph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtuw2ph %xmm2, %xmm1");
+ asm volatile("vcvtuw2ph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtuw2ph %ymm2, %ymm1");
+ asm volatile("vcvtuw2ph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vcvtw2ph %zmm2, %zmm1");
+ asm volatile("vcvtw2ph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vcvtw2ph %xmm2, %xmm1");
+ asm volatile("vcvtw2ph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vcvtw2ph %ymm2, %ymm1");
+ asm volatile("vcvtw2ph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vdivph %zmm3, %zmm2, %zmm1");
+ asm volatile("vdivph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vdivph %xmm3, %xmm2, %xmm1");
+ asm volatile("vdivph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vdivph %ymm3, %ymm2, %ymm1");
+ asm volatile("vdivph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vdivsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vdivsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfcmaddcph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfcmaddcph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfcmaddcph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfcmaddcph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfcmaddcph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfcmaddcph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfcmaddcsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfcmaddcsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfcmulcph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfcmulcph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfcmulcph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfcmulcph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfcmulcph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfcmulcph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfcmulcsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfcmulcsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmadd132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmadd132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmadd132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmadd132sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd132sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmadd213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmadd213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmadd213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmadd213sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd213sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmadd231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmadd231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmadd231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmadd231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmadd231sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmadd231sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddcph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmaddcph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddcph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmaddcph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddcph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmaddcph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmaddcsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmaddcsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmaddsub132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddsub132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmaddsub132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmaddsub132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmaddsub213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmaddsub213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddsub213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmaddsub213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmaddsub213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmaddsub231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmaddsub231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmaddsub231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmaddsub231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmaddsub231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmaddsub231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsub132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsub132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsub132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub132sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub132sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsub213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsub213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsub213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub213sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub213sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsub231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsub231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsub231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsub231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsub231sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsub231sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsubadd132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsubadd132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsubadd132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsubadd132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsubadd213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsubadd213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsubadd213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsubadd213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsubadd213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmsubadd231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmsubadd231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmsubadd231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmsubadd231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmsubadd231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmsubadd231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmulcph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfmulcph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfmulcph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmulcph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfmulcph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfmulcph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfmulcsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfmulcsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmadd132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmadd132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmadd132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmadd132sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd132sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmadd213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmadd213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmadd213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmadd213sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd213sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmadd231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmadd231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmadd231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmadd231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmadd231sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmadd231sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub132ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmsub132ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmsub132ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub132ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub132ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmsub132ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmsub132sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub132sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub213ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmsub213ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmsub213ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub213ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub213ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmsub213ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmsub213sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub213sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub231ph %zmm3, %zmm2, %zmm1");
+ asm volatile("vfnmsub231ph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vfnmsub231ph %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub231ph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfnmsub231ph %ymm3, %ymm2, %ymm1");
+ asm volatile("vfnmsub231ph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vfnmsub231sh %xmm3, %xmm2, %xmm1");
+ asm volatile("vfnmsub231sh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vfpclassph $0x12, %zmm1, %k5");
+ asm volatile("vfpclassph $0x12, %xmm1, %k5");
+ asm volatile("vfpclassph $0x12, %ymm1, %k5");
+ asm volatile("vfpclasssh $0x12, %xmm1, %k5");
+ asm volatile("vfpclasssh $0x12, 0x12345678(%eax,%ecx,8), %k5");
+ asm volatile("vgetexpph %zmm2, %zmm1");
+ asm volatile("vgetexpph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vgetexpph %xmm2, %xmm1");
+ asm volatile("vgetexpph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vgetexpph %ymm2, %ymm1");
+ asm volatile("vgetexpph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vgetexpsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vgetexpsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vgetmantph $0x12, %zmm2, %zmm1");
+ asm volatile("vgetmantph $0x12, 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vgetmantph $0x12, %xmm2, %xmm1");
+ asm volatile("vgetmantph $0x12, 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vgetmantph $0x12, %ymm2, %ymm1");
+ asm volatile("vgetmantph $0x12, 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vgetmantsh $0x12, %xmm3, %xmm2, %xmm1");
+ asm volatile("vgetmantsh $0x12, 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vmaxph %zmm3, %zmm2, %zmm1");
+ asm volatile("vmaxph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vmaxph %xmm3, %xmm2, %xmm1");
+ asm volatile("vmaxph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vmaxph %ymm3, %ymm2, %ymm1");
+ asm volatile("vmaxph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vmaxsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vmaxsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vminph %zmm3, %zmm2, %zmm1");
+ asm volatile("vminph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vminph %xmm3, %xmm2, %xmm1");
+ asm volatile("vminph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vminph %ymm3, %ymm2, %ymm1");
+ asm volatile("vminph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vminsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vminsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vmovsh %xmm1, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vmovsh 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vmovsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vmovw %xmm1, %eax");
+ asm volatile("vmovw %xmm1, 0x12345678(%eax,%ecx,8)");
+ asm volatile("vmovw %eax, %xmm1");
+ asm volatile("vmovw 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vmulph %zmm3, %zmm2, %zmm1");
+ asm volatile("vmulph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vmulph %xmm3, %xmm2, %xmm1");
+ asm volatile("vmulph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vmulph %ymm3, %ymm2, %ymm1");
+ asm volatile("vmulph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vmulsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vmulsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vrcpph %zmm2, %zmm1");
+ asm volatile("vrcpph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vrcpph %xmm2, %xmm1");
+ asm volatile("vrcpph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vrcpph %ymm2, %ymm1");
+ asm volatile("vrcpph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vrcpsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vrcpsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vreduceph $0x12, %zmm2, %zmm1");
+ asm volatile("vreduceph $0x12, 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vreduceph $0x12, %xmm2, %xmm1");
+ asm volatile("vreduceph $0x12, 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vreduceph $0x12, %ymm2, %ymm1");
+ asm volatile("vreduceph $0x12, 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vreducesh $0x12, %xmm3, %xmm2, %xmm1");
+ asm volatile("vreducesh $0x12, 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vrndscaleph $0x12, %zmm2, %zmm1");
+ asm volatile("vrndscaleph $0x12, 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vrndscaleph $0x12, %xmm2, %xmm1");
+ asm volatile("vrndscaleph $0x12, 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vrndscaleph $0x12, %ymm2, %ymm1");
+ asm volatile("vrndscaleph $0x12, 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vrndscalesh $0x12, %xmm3, %xmm2, %xmm1");
+ asm volatile("vrndscalesh $0x12, 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vrsqrtph %zmm2, %zmm1");
+ asm volatile("vrsqrtph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vrsqrtph %xmm2, %xmm1");
+ asm volatile("vrsqrtph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vrsqrtph %ymm2, %ymm1");
+ asm volatile("vrsqrtph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vrsqrtsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vrsqrtsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vscalefph %zmm3, %zmm2, %zmm1");
+ asm volatile("vscalefph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vscalefph %xmm3, %xmm2, %xmm1");
+ asm volatile("vscalefph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vscalefph %ymm3, %ymm2, %ymm1");
+ asm volatile("vscalefph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vscalefsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vscalefsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vsqrtph %zmm2, %zmm1");
+ asm volatile("vsqrtph 0x12345678(%eax,%ecx,8), %zmm1");
+ asm volatile("vsqrtph %xmm2, %xmm1");
+ asm volatile("vsqrtph 0x12345678(%eax,%ecx,8), %xmm1");
+ asm volatile("vsqrtph %ymm2, %ymm1");
+ asm volatile("vsqrtph 0x12345678(%eax,%ecx,8), %ymm1");
+ asm volatile("vsqrtsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vsqrtsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vsubph %zmm3, %zmm2, %zmm1");
+ asm volatile("vsubph 0x12345678(%eax,%ecx,8), %zmm2, %zmm1");
+ asm volatile("vsubph %xmm3, %xmm2, %xmm1");
+ asm volatile("vsubph 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vsubph %ymm3, %ymm2, %ymm1");
+ asm volatile("vsubph 0x12345678(%eax,%ecx,8), %ymm2, %ymm1");
+ asm volatile("vsubsh %xmm3, %xmm2, %xmm1");
+ asm volatile("vsubsh 0x12345678(%eax,%ecx,8), %xmm2, %xmm1");
+ asm volatile("vucomish %xmm2, %xmm1");
+ asm volatile("vucomish 0x12345678(%eax,%ecx,8), %xmm1");
+
#endif /* #ifndef __x86_64__ */
+ /* Key Locker */
+
+ asm volatile(" loadiwkey %xmm1, %xmm2");
+ asm volatile(" encodekey128 %eax, %edx");
+ asm volatile(" encodekey256 %eax, %edx");
+ asm volatile(" aesenc128kl 0x77(%edx), %xmm3");
+ asm volatile(" aesenc256kl 0x77(%edx), %xmm3");
+ asm volatile(" aesdec128kl 0x77(%edx), %xmm3");
+ asm volatile(" aesdec256kl 0x77(%edx), %xmm3");
+ asm volatile(" aesencwide128kl 0x77(%edx)");
+ asm volatile(" aesencwide256kl 0x77(%edx)");
+ asm volatile(" aesdecwide128kl 0x77(%edx)");
+ asm volatile(" aesdecwide256kl 0x77(%edx)");
+
+ /* Remote Atomic Operations */
+
+ asm volatile("aadd %ecx,(%eax)");
+ asm volatile("aadd %edx,(0x12345678)");
+ asm volatile("aadd %edx,0x12345678(%eax,%ecx,8)");
+
+ asm volatile("aand %ecx,(%eax)");
+ asm volatile("aand %edx,(0x12345678)");
+ asm volatile("aand %edx,0x12345678(%eax,%ecx,8)");
+
+ asm volatile("aor %ecx,(%eax)");
+ asm volatile("aor %edx,(0x12345678)");
+ asm volatile("aor %edx,0x12345678(%eax,%ecx,8)");
+
+ asm volatile("axor %ecx,(%eax)");
+ asm volatile("axor %edx,(0x12345678)");
+ asm volatile("axor %edx,0x12345678(%eax,%ecx,8)");
+
+ /* AVX NE Convert */
+
+ asm volatile("vbcstnebf162ps (%ecx),%xmm6");
+ asm volatile("vbcstnesh2ps (%ecx),%xmm6");
+ asm volatile("vcvtneebf162ps (%ecx),%xmm6");
+ asm volatile("vcvtneeph2ps (%ecx),%xmm6");
+ asm volatile("vcvtneobf162ps (%ecx),%xmm6");
+ asm volatile("vcvtneoph2ps (%ecx),%xmm6");
+ asm volatile("vcvtneps2bf16 %xmm1,%xmm6");
+
+ /* AVX VNNI INT16 */
+
+ asm volatile("vpdpbssd %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpbssds %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpbsud %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpbsuds %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpbuud %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpbuuds %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpwsud %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpwsuds %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpwusd %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpwusds %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpwuud %xmm1,%xmm2,%xmm3");
+ asm volatile("vpdpwuuds %xmm1,%xmm2,%xmm3");
+
+ /* AVX IFMA */
+
+ asm volatile("vpmadd52huq %xmm1,%xmm2,%xmm3");
+ asm volatile("vpmadd52luq %xmm1,%xmm2,%xmm3");
+
+ /* AVX SHA512 */
+
+ asm volatile("vsha512msg1 %xmm1,%ymm2");
+ asm volatile("vsha512msg2 %ymm1,%ymm2");
+ asm volatile("vsha512rnds2 %xmm1,%ymm2,%ymm3");
+
+ /* AVX SM3 */
+
+ asm volatile("vsm3msg1 %xmm1,%xmm2,%xmm3");
+ asm volatile("vsm3msg2 %xmm1,%xmm2,%xmm3");
+ asm volatile("vsm3rnds2 $0xa1,%xmm1,%xmm2,%xmm3");
+
+ /* AVX SM4 */
+
+ asm volatile("vsm4key4 %xmm1,%xmm2,%xmm3");
+ asm volatile("vsm4rnds4 %xmm1,%xmm2,%xmm3");
+
+ /* Pre-fetch */
+
+ asm volatile("prefetch (%eax)");
+ asm volatile("prefetcht0 (%eax)");
+ asm volatile("prefetcht1 (%eax)");
+ asm volatile("prefetcht2 (%eax)");
+ asm volatile("prefetchnta (%eax)");
+
+ /* Non-serializing write MSR */
+
+ asm volatile("wrmsrns");
+
+ /* Prediction history reset */
+
+ asm volatile("hreset $0");
+
+ /* Serialize instruction execution */
+
+ asm volatile("serialize");
+
+ /* TSX suspend load address tracking */
+
+ asm volatile("xresldtrk");
+ asm volatile("xsusldtrk");
+
+ /* SGX */
+
+ asm volatile("encls");
+ asm volatile("enclu");
+ asm volatile("enclv");
+
+ /* pconfig */
+
+ asm volatile("pconfig");
+
+ /* wbnoinvd */
+
+ asm volatile("wbnoinvd");
+
/* Following line is a marker for the awk script - do not change */
asm volatile("rdtsc"); /* Stop here */
diff --git a/tools/perf/arch/x86/tests/insn-x86.c b/tools/perf/arch/x86/tests/insn-x86.c
index 08d9b2bc185c..7b5eb8baf0f2 100644
--- a/tools/perf/arch/x86/tests/insn-x86.c
+++ b/tools/perf/arch/x86/tests/insn-x86.c
@@ -1,10 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/types.h>
+#include <string.h>
#include "debug.h"
#include "tests/tests.h"
#include "arch-tests.h"
+#include "../../../../arch/x86/include/asm/insn.h"
-#include "intel-pt-decoder/insn.h"
#include "intel-pt-decoder/intel-pt-insn-decoder.h"
struct test_data {
@@ -16,17 +18,19 @@ struct test_data {
const char *asm_rep;
};
-struct test_data test_data_32[] = {
+const struct test_data test_data_32[] = {
#include "insn-x86-dat-32.c"
{{0x0f, 0x01, 0xee}, 3, 0, NULL, NULL, "0f 01 ee \trdpkru"},
{{0x0f, 0x01, 0xef}, 3, 0, NULL, NULL, "0f 01 ef \twrpkru"},
{{0}, 0, 0, NULL, NULL, NULL},
};
-struct test_data test_data_64[] = {
+const struct test_data test_data_64[] = {
#include "insn-x86-dat-64.c"
{{0x0f, 0x01, 0xee}, 3, 0, NULL, NULL, "0f 01 ee \trdpkru"},
{{0x0f, 0x01, 0xef}, 3, 0, NULL, NULL, "0f 01 ef \twrpkru"},
+ {{0xf2, 0x0f, 0x01, 0xca}, 4, 0, "erets", "indirect", "f2 0f 01 ca \terets"},
+ {{0xf3, 0x0f, 0x01, 0xca}, 4, 0, "eretu", "indirect", "f3 0f 01 ca \teretu"},
{{0}, 0, 0, NULL, NULL, NULL},
};
@@ -46,6 +50,9 @@ static int get_op(const char *op_str)
{"int", INTEL_PT_OP_INT},
{"syscall", INTEL_PT_OP_SYSCALL},
{"sysret", INTEL_PT_OP_SYSRET},
+ {"vmentry", INTEL_PT_OP_VMENTRY},
+ {"erets", INTEL_PT_OP_ERETS},
+ {"eretu", INTEL_PT_OP_ERETU},
{NULL, 0},
};
struct val_data *val;
@@ -90,16 +97,15 @@ static int get_branch(const char *branch_str)
return -1;
}
-static int test_data_item(struct test_data *dat, int x86_64)
+static int test_data_item(const struct test_data *dat, int x86_64)
{
struct intel_pt_insn intel_pt_insn;
+ int op, branch, ret;
struct insn insn;
- int op, branch;
- insn_init(&insn, dat->data, MAX_INSN_SIZE, x86_64);
- insn_get_length(&insn);
-
- if (!insn_complete(&insn)) {
+ ret = insn_decode(&insn, dat->data, MAX_INSN_SIZE,
+ x86_64 ? INSN_MODE_64 : INSN_MODE_32);
+ if (ret < 0) {
pr_debug("Failed to decode: %s\n", dat->asm_rep);
return -1;
}
@@ -141,9 +147,9 @@ static int test_data_item(struct test_data *dat, int x86_64)
return 0;
}
-static int test_data_set(struct test_data *dat_set, int x86_64)
+static int test_data_set(const struct test_data *dat_set, int x86_64)
{
- struct test_data *dat;
+ const struct test_data *dat;
int ret = 0;
for (dat = dat_set; dat->expected_length; dat++) {
@@ -169,9 +175,9 @@ static int test_data_set(struct test_data *dat_set, int x86_64)
*
* If the test passes %0 is returned, otherwise %-1 is returned. Use the
* verbose (-v) option to see all the instructions and whether or not they
- * decoded successfuly.
+ * decoded successfully.
*/
-int test__insn_x86(int subtest __maybe_unused)
+int test__insn_x86(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
{
int ret = 0;
diff --git a/tools/perf/arch/x86/tests/intel-cqm.c b/tools/perf/arch/x86/tests/intel-cqm.c
deleted file mode 100644
index 7f064eb37158..000000000000
--- a/tools/perf/arch/x86/tests/intel-cqm.c
+++ /dev/null
@@ -1,124 +0,0 @@
-#include "tests/tests.h"
-#include "perf.h"
-#include "cloexec.h"
-#include "debug.h"
-#include "evlist.h"
-#include "evsel.h"
-#include "arch-tests.h"
-
-#include <sys/mman.h>
-#include <string.h>
-
-static pid_t spawn(void)
-{
- pid_t pid;
-
- pid = fork();
- if (pid)
- return pid;
-
- while(1)
- sleep(5);
- return 0;
-}
-
-/*
- * Create an event group that contains both a sampled hardware
- * (cpu-cycles) and software (intel_cqm/llc_occupancy/) event. We then
- * wait for the hardware perf counter to overflow and generate a PMI,
- * which triggers an event read for both of the events in the group.
- *
- * Since reading Intel CQM event counters requires sending SMP IPIs, the
- * CQM pmu needs to handle the above situation gracefully, and return
- * the last read counter value to avoid triggering a WARN_ON_ONCE() in
- * smp_call_function_many() caused by sending IPIs from NMI context.
- */
-int test__intel_cqm_count_nmi_context(int subtest __maybe_unused)
-{
- struct perf_evlist *evlist = NULL;
- struct perf_evsel *evsel = NULL;
- struct perf_event_attr pe;
- int i, fd[2], flag, ret;
- size_t mmap_len;
- void *event;
- pid_t pid;
- int err = TEST_FAIL;
-
- flag = perf_event_open_cloexec_flag();
-
- evlist = perf_evlist__new();
- if (!evlist) {
- pr_debug("perf_evlist__new failed\n");
- return TEST_FAIL;
- }
-
- ret = parse_events(evlist, "intel_cqm/llc_occupancy/", NULL);
- if (ret) {
- pr_debug("parse_events failed, is \"intel_cqm/llc_occupancy/\" available?\n");
- err = TEST_SKIP;
- goto out;
- }
-
- evsel = perf_evlist__first(evlist);
- if (!evsel) {
- pr_debug("perf_evlist__first failed\n");
- goto out;
- }
-
- memset(&pe, 0, sizeof(pe));
- pe.size = sizeof(pe);
-
- pe.type = PERF_TYPE_HARDWARE;
- pe.config = PERF_COUNT_HW_CPU_CYCLES;
- pe.read_format = PERF_FORMAT_GROUP;
-
- pe.sample_period = 128;
- pe.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_READ;
-
- pid = spawn();
-
- fd[0] = sys_perf_event_open(&pe, pid, -1, -1, flag);
- if (fd[0] < 0) {
- pr_debug("failed to open event\n");
- goto out;
- }
-
- memset(&pe, 0, sizeof(pe));
- pe.size = sizeof(pe);
-
- pe.type = evsel->attr.type;
- pe.config = evsel->attr.config;
-
- fd[1] = sys_perf_event_open(&pe, pid, -1, fd[0], flag);
- if (fd[1] < 0) {
- pr_debug("failed to open event\n");
- goto out;
- }
-
- /*
- * Pick a power-of-two number of pages + 1 for the meta-data
- * page (struct perf_event_mmap_page). See tools/perf/design.txt.
- */
- mmap_len = page_size * 65;
-
- event = mmap(NULL, mmap_len, PROT_READ, MAP_SHARED, fd[0], 0);
- if (event == (void *)(-1)) {
- pr_debug("failed to mmap %d\n", errno);
- goto out;
- }
-
- sleep(1);
-
- err = TEST_OK;
-
- munmap(event, mmap_len);
-
- for (i = 0; i < 2; i++)
- close(fd[i]);
-
- kill(pid, SIGKILL);
- wait(NULL);
-out:
- perf_evlist__delete(evlist);
- return err;
-}
diff --git a/tools/perf/arch/x86/tests/intel-pt-test.c b/tools/perf/arch/x86/tests/intel-pt-test.c
new file mode 100644
index 000000000000..970997759ec2
--- /dev/null
+++ b/tools/perf/arch/x86/tests/intel-pt-test.c
@@ -0,0 +1,469 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/compiler.h>
+#include <linux/bits.h>
+#include <string.h>
+#include <sched.h>
+
+#include "intel-pt-decoder/intel-pt-pkt-decoder.h"
+
+#include "debug.h"
+#include "tests/tests.h"
+#include "arch-tests.h"
+#include "../util/cpuid.h"
+#include "cpumap.h"
+
+/**
+ * struct test_data - Test data.
+ * @len: number of bytes to decode
+ * @bytes: bytes to decode
+ * @ctx: packet context to decode
+ * @packet: expected packet
+ * @new_ctx: expected new packet context
+ * @ctx_unchanged: the packet context must not change
+ */
+static const struct test_data {
+ int len;
+ u8 bytes[INTEL_PT_PKT_MAX_SZ];
+ enum intel_pt_pkt_ctx ctx;
+ struct intel_pt_pkt packet;
+ enum intel_pt_pkt_ctx new_ctx;
+ int ctx_unchanged;
+} data[] = {
+ /* Padding Packet */
+ {1, {0}, 0, {INTEL_PT_PAD, 0, 0}, 0, 1 },
+ /* Short Taken/Not Taken Packet */
+ {1, {4}, 0, {INTEL_PT_TNT, 1, 0}, 0, 0 },
+ {1, {6}, 0, {INTEL_PT_TNT, 1, 0x20ULL << 58}, 0, 0 },
+ {1, {0x80}, 0, {INTEL_PT_TNT, 6, 0}, 0, 0 },
+ {1, {0xfe}, 0, {INTEL_PT_TNT, 6, 0x3fULL << 58}, 0, 0 },
+ /* Long Taken/Not Taken Packet */
+ {8, {0x02, 0xa3, 2}, 0, {INTEL_PT_TNT, 1, 0xa302ULL << 47}, 0, 0 },
+ {8, {0x02, 0xa3, 3}, 0, {INTEL_PT_TNT, 1, 0x1a302ULL << 47}, 0, 0 },
+ {8, {0x02, 0xa3, 0, 0, 0, 0, 0, 0x80}, 0, {INTEL_PT_TNT, 47, 0xa302ULL << 1}, 0, 0 },
+ {8, {0x02, 0xa3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, 0, {INTEL_PT_TNT, 47, 0xffffffffffffa302ULL << 1}, 0, 0 },
+ /* Target IP Packet */
+ {1, {0x0d}, 0, {INTEL_PT_TIP, 0, 0}, 0, 0 },
+ {3, {0x2d, 1, 2}, 0, {INTEL_PT_TIP, 1, 0x201}, 0, 0 },
+ {5, {0x4d, 1, 2, 3, 4}, 0, {INTEL_PT_TIP, 2, 0x4030201}, 0, 0 },
+ {7, {0x6d, 1, 2, 3, 4, 5, 6}, 0, {INTEL_PT_TIP, 3, 0x60504030201}, 0, 0 },
+ {7, {0x8d, 1, 2, 3, 4, 5, 6}, 0, {INTEL_PT_TIP, 4, 0x60504030201}, 0, 0 },
+ {9, {0xcd, 1, 2, 3, 4, 5, 6, 7, 8}, 0, {INTEL_PT_TIP, 6, 0x807060504030201}, 0, 0 },
+ /* Packet Generation Enable */
+ {1, {0x11}, 0, {INTEL_PT_TIP_PGE, 0, 0}, 0, 0 },
+ {3, {0x31, 1, 2}, 0, {INTEL_PT_TIP_PGE, 1, 0x201}, 0, 0 },
+ {5, {0x51, 1, 2, 3, 4}, 0, {INTEL_PT_TIP_PGE, 2, 0x4030201}, 0, 0 },
+ {7, {0x71, 1, 2, 3, 4, 5, 6}, 0, {INTEL_PT_TIP_PGE, 3, 0x60504030201}, 0, 0 },
+ {7, {0x91, 1, 2, 3, 4, 5, 6}, 0, {INTEL_PT_TIP_PGE, 4, 0x60504030201}, 0, 0 },
+ {9, {0xd1, 1, 2, 3, 4, 5, 6, 7, 8}, 0, {INTEL_PT_TIP_PGE, 6, 0x807060504030201}, 0, 0 },
+ /* Packet Generation Disable */
+ {1, {0x01}, 0, {INTEL_PT_TIP_PGD, 0, 0}, 0, 0 },
+ {3, {0x21, 1, 2}, 0, {INTEL_PT_TIP_PGD, 1, 0x201}, 0, 0 },
+ {5, {0x41, 1, 2, 3, 4}, 0, {INTEL_PT_TIP_PGD, 2, 0x4030201}, 0, 0 },
+ {7, {0x61, 1, 2, 3, 4, 5, 6}, 0, {INTEL_PT_TIP_PGD, 3, 0x60504030201}, 0, 0 },
+ {7, {0x81, 1, 2, 3, 4, 5, 6}, 0, {INTEL_PT_TIP_PGD, 4, 0x60504030201}, 0, 0 },
+ {9, {0xc1, 1, 2, 3, 4, 5, 6, 7, 8}, 0, {INTEL_PT_TIP_PGD, 6, 0x807060504030201}, 0, 0 },
+ /* Flow Update Packet */
+ {1, {0x1d}, 0, {INTEL_PT_FUP, 0, 0}, 0, 0 },
+ {3, {0x3d, 1, 2}, 0, {INTEL_PT_FUP, 1, 0x201}, 0, 0 },
+ {5, {0x5d, 1, 2, 3, 4}, 0, {INTEL_PT_FUP, 2, 0x4030201}, 0, 0 },
+ {7, {0x7d, 1, 2, 3, 4, 5, 6}, 0, {INTEL_PT_FUP, 3, 0x60504030201}, 0, 0 },
+ {7, {0x9d, 1, 2, 3, 4, 5, 6}, 0, {INTEL_PT_FUP, 4, 0x60504030201}, 0, 0 },
+ {9, {0xdd, 1, 2, 3, 4, 5, 6, 7, 8}, 0, {INTEL_PT_FUP, 6, 0x807060504030201}, 0, 0 },
+ /* Paging Information Packet */
+ {8, {0x02, 0x43, 2, 4, 6, 8, 10, 12}, 0, {INTEL_PT_PIP, 0, 0xC0A08060402}, 0, 0 },
+ {8, {0x02, 0x43, 3, 4, 6, 8, 10, 12}, 0, {INTEL_PT_PIP, 0, 0xC0A08060403}, 0, 0 },
+ /* Mode Exec Packet */
+ {2, {0x99, 0x00}, 0, {INTEL_PT_MODE_EXEC, 0, 16}, 0, 0 },
+ {2, {0x99, 0x01}, 0, {INTEL_PT_MODE_EXEC, 1, 64}, 0, 0 },
+ {2, {0x99, 0x02}, 0, {INTEL_PT_MODE_EXEC, 2, 32}, 0, 0 },
+ {2, {0x99, 0x04}, 0, {INTEL_PT_MODE_EXEC, 4, 16}, 0, 0 },
+ {2, {0x99, 0x05}, 0, {INTEL_PT_MODE_EXEC, 5, 64}, 0, 0 },
+ {2, {0x99, 0x06}, 0, {INTEL_PT_MODE_EXEC, 6, 32}, 0, 0 },
+ /* Mode TSX Packet */
+ {2, {0x99, 0x20}, 0, {INTEL_PT_MODE_TSX, 0, 0}, 0, 0 },
+ {2, {0x99, 0x21}, 0, {INTEL_PT_MODE_TSX, 0, 1}, 0, 0 },
+ {2, {0x99, 0x22}, 0, {INTEL_PT_MODE_TSX, 0, 2}, 0, 0 },
+ /* Trace Stop Packet */
+ {2, {0x02, 0x83}, 0, {INTEL_PT_TRACESTOP, 0, 0}, 0, 0 },
+ /* Core:Bus Ratio Packet */
+ {4, {0x02, 0x03, 0x12, 0}, 0, {INTEL_PT_CBR, 0, 0x12}, 0, 1 },
+ /* Timestamp Counter Packet */
+ {8, {0x19, 1, 2, 3, 4, 5, 6, 7}, 0, {INTEL_PT_TSC, 0, 0x7060504030201}, 0, 1 },
+ /* Mini Time Counter Packet */
+ {2, {0x59, 0x12}, 0, {INTEL_PT_MTC, 0, 0x12}, 0, 1 },
+ /* TSC / MTC Alignment Packet */
+ {7, {0x02, 0x73}, 0, {INTEL_PT_TMA, 0, 0}, 0, 1 },
+ {7, {0x02, 0x73, 1, 2}, 0, {INTEL_PT_TMA, 0, 0x201}, 0, 1 },
+ {7, {0x02, 0x73, 0, 0, 0, 0xff, 1}, 0, {INTEL_PT_TMA, 0x1ff, 0}, 0, 1 },
+ {7, {0x02, 0x73, 0x80, 0xc0, 0, 0xff, 1}, 0, {INTEL_PT_TMA, 0x1ff, 0xc080}, 0, 1 },
+ /* Cycle Count Packet */
+ {1, {0x03}, 0, {INTEL_PT_CYC, 0, 0}, 0, 1 },
+ {1, {0x0b}, 0, {INTEL_PT_CYC, 0, 1}, 0, 1 },
+ {1, {0xfb}, 0, {INTEL_PT_CYC, 0, 0x1f}, 0, 1 },
+ {2, {0x07, 2}, 0, {INTEL_PT_CYC, 0, 0x20}, 0, 1 },
+ {2, {0xff, 0xfe}, 0, {INTEL_PT_CYC, 0, 0xfff}, 0, 1 },
+ {3, {0x07, 1, 2}, 0, {INTEL_PT_CYC, 0, 0x1000}, 0, 1 },
+ {3, {0xff, 0xff, 0xfe}, 0, {INTEL_PT_CYC, 0, 0x7ffff}, 0, 1 },
+ {4, {0x07, 1, 1, 2}, 0, {INTEL_PT_CYC, 0, 0x80000}, 0, 1 },
+ {4, {0xff, 0xff, 0xff, 0xfe}, 0, {INTEL_PT_CYC, 0, 0x3ffffff}, 0, 1 },
+ {5, {0x07, 1, 1, 1, 2}, 0, {INTEL_PT_CYC, 0, 0x4000000}, 0, 1 },
+ {5, {0xff, 0xff, 0xff, 0xff, 0xfe}, 0, {INTEL_PT_CYC, 0, 0x1ffffffff}, 0, 1 },
+ {6, {0x07, 1, 1, 1, 1, 2}, 0, {INTEL_PT_CYC, 0, 0x200000000}, 0, 1 },
+ {6, {0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}, 0, {INTEL_PT_CYC, 0, 0xffffffffff}, 0, 1 },
+ {7, {0x07, 1, 1, 1, 1, 1, 2}, 0, {INTEL_PT_CYC, 0, 0x10000000000}, 0, 1 },
+ {7, {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}, 0, {INTEL_PT_CYC, 0, 0x7fffffffffff}, 0, 1 },
+ {8, {0x07, 1, 1, 1, 1, 1, 1, 2}, 0, {INTEL_PT_CYC, 0, 0x800000000000}, 0, 1 },
+ {8, {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}, 0, {INTEL_PT_CYC, 0, 0x3fffffffffffff}, 0, 1 },
+ {9, {0x07, 1, 1, 1, 1, 1, 1, 1, 2}, 0, {INTEL_PT_CYC, 0, 0x40000000000000}, 0, 1 },
+ {9, {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}, 0, {INTEL_PT_CYC, 0, 0x1fffffffffffffff}, 0, 1 },
+ {10, {0x07, 1, 1, 1, 1, 1, 1, 1, 1, 2}, 0, {INTEL_PT_CYC, 0, 0x2000000000000000}, 0, 1 },
+ {10, {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe}, 0, {INTEL_PT_CYC, 0, 0xffffffffffffffff}, 0, 1 },
+ /* Virtual-Machine Control Structure Packet */
+ {7, {0x02, 0xc8, 1, 2, 3, 4, 5}, 0, {INTEL_PT_VMCS, 5, 0x504030201}, 0, 0 },
+ /* Overflow Packet */
+ {2, {0x02, 0xf3}, 0, {INTEL_PT_OVF, 0, 0}, 0, 0 },
+ {2, {0x02, 0xf3}, INTEL_PT_BLK_4_CTX, {INTEL_PT_OVF, 0, 0}, 0, 0 },
+ {2, {0x02, 0xf3}, INTEL_PT_BLK_8_CTX, {INTEL_PT_OVF, 0, 0}, 0, 0 },
+ /* Packet Stream Boundary*/
+ {16, {0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82}, 0, {INTEL_PT_PSB, 0, 0}, 0, 0 },
+ {16, {0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82}, INTEL_PT_BLK_4_CTX, {INTEL_PT_PSB, 0, 0}, 0, 0 },
+ {16, {0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82, 0x02, 0x82}, INTEL_PT_BLK_8_CTX, {INTEL_PT_PSB, 0, 0}, 0, 0 },
+ /* PSB End Packet */
+ {2, {0x02, 0x23}, 0, {INTEL_PT_PSBEND, 0, 0}, 0, 0 },
+ /* Maintenance Packet */
+ {11, {0x02, 0xc3, 0x88, 1, 2, 3, 4, 5, 6, 7}, 0, {INTEL_PT_MNT, 0, 0x7060504030201}, 0, 1 },
+ /* Write Data to PT Packet */
+ {6, {0x02, 0x12, 1, 2, 3, 4}, 0, {INTEL_PT_PTWRITE, 0, 0x4030201}, 0, 0 },
+ {10, {0x02, 0x32, 1, 2, 3, 4, 5, 6, 7, 8}, 0, {INTEL_PT_PTWRITE, 1, 0x807060504030201}, 0, 0 },
+ {6, {0x02, 0x92, 1, 2, 3, 4}, 0, {INTEL_PT_PTWRITE_IP, 0, 0x4030201}, 0, 0 },
+ {10, {0x02, 0xb2, 1, 2, 3, 4, 5, 6, 7, 8}, 0, {INTEL_PT_PTWRITE_IP, 1, 0x807060504030201}, 0, 0 },
+ /* Execution Stop Packet */
+ {2, {0x02, 0x62}, 0, {INTEL_PT_EXSTOP, 0, 0}, 0, 1 },
+ {2, {0x02, 0xe2}, 0, {INTEL_PT_EXSTOP_IP, 0, 0}, 0, 1 },
+ /* Monitor Wait Packet */
+ {10, {0x02, 0xc2}, 0, {INTEL_PT_MWAIT, 0, 0}, 0, 0 },
+ {10, {0x02, 0xc2, 1, 2, 3, 4, 5, 6, 7, 8}, 0, {INTEL_PT_MWAIT, 0, 0x807060504030201}, 0, 0 },
+ {10, {0x02, 0xc2, 0xff, 2, 3, 4, 7, 6, 7, 8}, 0, {INTEL_PT_MWAIT, 0, 0x8070607040302ff}, 0, 0 },
+ /* Power Entry Packet */
+ {4, {0x02, 0x22}, 0, {INTEL_PT_PWRE, 0, 0}, 0, 1 },
+ {4, {0x02, 0x22, 1, 2}, 0, {INTEL_PT_PWRE, 0, 0x0201}, 0, 1 },
+ {4, {0x02, 0x22, 0x80, 0x34}, 0, {INTEL_PT_PWRE, 0, 0x3480}, 0, 1 },
+ {4, {0x02, 0x22, 0x00, 0x56}, 0, {INTEL_PT_PWRE, 0, 0x5600}, 0, 1 },
+ /* Power Exit Packet */
+ {7, {0x02, 0xa2}, 0, {INTEL_PT_PWRX, 0, 0}, 0, 1 },
+ {7, {0x02, 0xa2, 1, 2, 3, 4, 5}, 0, {INTEL_PT_PWRX, 0, 0x504030201}, 0, 1 },
+ {7, {0x02, 0xa2, 0xff, 0xff, 0xff, 0xff, 0xff}, 0, {INTEL_PT_PWRX, 0, 0xffffffffff}, 0, 1 },
+ /* Block Begin Packet */
+ {3, {0x02, 0x63, 0x00}, 0, {INTEL_PT_BBP, 0, 0}, INTEL_PT_BLK_8_CTX, 0 },
+ {3, {0x02, 0x63, 0x80}, 0, {INTEL_PT_BBP, 1, 0}, INTEL_PT_BLK_4_CTX, 0 },
+ {3, {0x02, 0x63, 0x1f}, 0, {INTEL_PT_BBP, 0, 0x1f}, INTEL_PT_BLK_8_CTX, 0 },
+ {3, {0x02, 0x63, 0x9f}, 0, {INTEL_PT_BBP, 1, 0x1f}, INTEL_PT_BLK_4_CTX, 0 },
+ /* 4-byte Block Item Packet */
+ {5, {0x04}, INTEL_PT_BLK_4_CTX, {INTEL_PT_BIP, 0, 0}, INTEL_PT_BLK_4_CTX, 0 },
+ {5, {0xfc}, INTEL_PT_BLK_4_CTX, {INTEL_PT_BIP, 0x1f, 0}, INTEL_PT_BLK_4_CTX, 0 },
+ {5, {0x04, 1, 2, 3, 4}, INTEL_PT_BLK_4_CTX, {INTEL_PT_BIP, 0, 0x04030201}, INTEL_PT_BLK_4_CTX, 0 },
+ {5, {0xfc, 1, 2, 3, 4}, INTEL_PT_BLK_4_CTX, {INTEL_PT_BIP, 0x1f, 0x04030201}, INTEL_PT_BLK_4_CTX, 0 },
+ /* 8-byte Block Item Packet */
+ {9, {0x04}, INTEL_PT_BLK_8_CTX, {INTEL_PT_BIP, 0, 0}, INTEL_PT_BLK_8_CTX, 0 },
+ {9, {0xfc}, INTEL_PT_BLK_8_CTX, {INTEL_PT_BIP, 0x1f, 0}, INTEL_PT_BLK_8_CTX, 0 },
+ {9, {0x04, 1, 2, 3, 4, 5, 6, 7, 8}, INTEL_PT_BLK_8_CTX, {INTEL_PT_BIP, 0, 0x0807060504030201}, INTEL_PT_BLK_8_CTX, 0 },
+ {9, {0xfc, 1, 2, 3, 4, 5, 6, 7, 8}, INTEL_PT_BLK_8_CTX, {INTEL_PT_BIP, 0x1f, 0x0807060504030201}, INTEL_PT_BLK_8_CTX, 0 },
+ /* Block End Packet */
+ {2, {0x02, 0x33}, INTEL_PT_BLK_4_CTX, {INTEL_PT_BEP, 0, 0}, 0, 0 },
+ {2, {0x02, 0xb3}, INTEL_PT_BLK_4_CTX, {INTEL_PT_BEP_IP, 0, 0}, 0, 0 },
+ {2, {0x02, 0x33}, INTEL_PT_BLK_8_CTX, {INTEL_PT_BEP, 0, 0}, 0, 0 },
+ {2, {0x02, 0xb3}, INTEL_PT_BLK_8_CTX, {INTEL_PT_BEP_IP, 0, 0}, 0, 0 },
+ /* Control Flow Event Packet */
+ {4, {0x02, 0x13, 0x01, 0x03}, 0, {INTEL_PT_CFE, 1, 3}, 0, 0 },
+ {4, {0x02, 0x13, 0x81, 0x03}, 0, {INTEL_PT_CFE_IP, 1, 3}, 0, 0 },
+ {4, {0x02, 0x13, 0x1f, 0x00}, 0, {INTEL_PT_CFE, 0x1f, 0}, 0, 0 },
+ {4, {0x02, 0x13, 0x9f, 0xff}, 0, {INTEL_PT_CFE_IP, 0x1f, 0xff}, 0, 0 },
+ /* */
+ {11, {0x02, 0x53, 0x09, 1, 2, 3, 4, 5, 6, 7}, 0, {INTEL_PT_EVD, 0x09, 0x7060504030201}, 0, 0 },
+ {11, {0x02, 0x53, 0x3f, 2, 3, 4, 5, 6, 7, 8}, 0, {INTEL_PT_EVD, 0x3f, 0x8070605040302}, 0, 0 },
+ /* Terminator */
+ {0, {0}, 0, {0, 0, 0}, 0, 0 },
+};
+
+static int dump_packet(const struct intel_pt_pkt *packet, const u8 *bytes, int len)
+{
+ char desc[INTEL_PT_PKT_DESC_MAX];
+ int ret, i;
+
+ for (i = 0; i < len; i++)
+ pr_debug(" %02x", bytes[i]);
+ for (; i < INTEL_PT_PKT_MAX_SZ; i++)
+ pr_debug(" ");
+ pr_debug(" ");
+ ret = intel_pt_pkt_desc(packet, desc, INTEL_PT_PKT_DESC_MAX);
+ if (ret < 0) {
+ pr_debug("intel_pt_pkt_desc failed!\n");
+ return TEST_FAIL;
+ }
+ pr_debug("%s\n", desc);
+
+ return TEST_OK;
+}
+
+static void decoding_failed(const struct test_data *d)
+{
+ pr_debug("Decoding failed!\n");
+ pr_debug("Decoding: ");
+ dump_packet(&d->packet, d->bytes, d->len);
+}
+
+static int fail(const struct test_data *d, struct intel_pt_pkt *packet, int len,
+ enum intel_pt_pkt_ctx new_ctx)
+{
+ decoding_failed(d);
+
+ if (len != d->len)
+ pr_debug("Expected length: %d Decoded length %d\n",
+ d->len, len);
+
+ if (packet->type != d->packet.type)
+ pr_debug("Expected type: %d Decoded type %d\n",
+ d->packet.type, packet->type);
+
+ if (packet->count != d->packet.count)
+ pr_debug("Expected count: %d Decoded count %d\n",
+ d->packet.count, packet->count);
+
+ if (packet->payload != d->packet.payload)
+ pr_debug("Expected payload: 0x%llx Decoded payload 0x%llx\n",
+ (unsigned long long)d->packet.payload,
+ (unsigned long long)packet->payload);
+
+ if (new_ctx != d->new_ctx)
+ pr_debug("Expected packet context: %d Decoded packet context %d\n",
+ d->new_ctx, new_ctx);
+
+ return TEST_FAIL;
+}
+
+static int test_ctx_unchanged(const struct test_data *d, struct intel_pt_pkt *packet,
+ enum intel_pt_pkt_ctx ctx)
+{
+ enum intel_pt_pkt_ctx old_ctx = ctx;
+
+ intel_pt_upd_pkt_ctx(packet, &ctx);
+
+ if (ctx != old_ctx) {
+ decoding_failed(d);
+ pr_debug("Packet context changed!\n");
+ return TEST_FAIL;
+ }
+
+ return TEST_OK;
+}
+
+static int test_one(const struct test_data *d)
+{
+ struct intel_pt_pkt packet;
+ enum intel_pt_pkt_ctx ctx = d->ctx;
+ int ret;
+
+ memset(&packet, 0xff, sizeof(packet));
+
+ /* Decode a packet */
+ ret = intel_pt_get_packet(d->bytes, d->len, &packet, &ctx);
+ if (ret < 0 || ret > INTEL_PT_PKT_MAX_SZ) {
+ decoding_failed(d);
+ pr_debug("intel_pt_get_packet returned %d\n", ret);
+ return TEST_FAIL;
+ }
+
+ /* Some packets must always leave the packet context unchanged */
+ if (d->ctx_unchanged) {
+ int err;
+
+ err = test_ctx_unchanged(d, &packet, INTEL_PT_NO_CTX);
+ if (err)
+ return err;
+ err = test_ctx_unchanged(d, &packet, INTEL_PT_BLK_4_CTX);
+ if (err)
+ return err;
+ err = test_ctx_unchanged(d, &packet, INTEL_PT_BLK_8_CTX);
+ if (err)
+ return err;
+ }
+
+ /* Compare to the expected values */
+ if (ret != d->len || packet.type != d->packet.type ||
+ packet.count != d->packet.count ||
+ packet.payload != d->packet.payload || ctx != d->new_ctx)
+ return fail(d, &packet, ret, ctx);
+
+ pr_debug("Decoded ok:");
+ ret = dump_packet(&d->packet, d->bytes, d->len);
+
+ return ret;
+}
+
+/*
+ * This test feeds byte sequences to the Intel PT packet decoder and checks the
+ * results. Changes to the packet context are also checked.
+ */
+int test__intel_pt_pkt_decoder(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+ const struct test_data *d = data;
+ int ret;
+
+ for (d = data; d->len; d++) {
+ ret = test_one(d);
+ if (ret)
+ return ret;
+ }
+
+ return TEST_OK;
+}
+
+static int setaffinity(int cpu)
+{
+ cpu_set_t cpu_set;
+
+ CPU_ZERO(&cpu_set);
+ CPU_SET(cpu, &cpu_set);
+ if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set)) {
+ pr_debug("sched_setaffinity() failed for CPU %d\n", cpu);
+ return -1;
+ }
+ return 0;
+}
+
+#define INTEL_PT_ADDR_FILT_CNT_MASK GENMASK(2, 0)
+#define INTEL_PT_SUBLEAF_CNT 2
+#define CPUID_REG_CNT 4
+
+struct cpuid_result {
+ union {
+ struct {
+ unsigned int eax;
+ unsigned int ebx;
+ unsigned int ecx;
+ unsigned int edx;
+ };
+ unsigned int reg[CPUID_REG_CNT];
+ };
+};
+
+struct pt_caps {
+ struct cpuid_result subleaf[INTEL_PT_SUBLEAF_CNT];
+};
+
+static int get_pt_caps(int cpu, struct pt_caps *caps)
+{
+ struct cpuid_result r;
+ int i;
+
+ if (setaffinity(cpu))
+ return -1;
+
+ memset(caps, 0, sizeof(*caps));
+
+ for (i = 0; i < INTEL_PT_SUBLEAF_CNT; i++) {
+ cpuid(20, i, &r.eax, &r.ebx, &r.ecx, &r.edx);
+ pr_debug("CPU %d CPUID leaf 20 subleaf %d\n", cpu, i);
+ pr_debug("eax = 0x%08x\n", r.eax);
+ pr_debug("ebx = 0x%08x\n", r.ebx);
+ pr_debug("ecx = 0x%08x\n", r.ecx);
+ pr_debug("edx = 0x%08x\n", r.edx);
+ caps->subleaf[i] = r;
+ }
+
+ return 0;
+}
+
+static bool is_hybrid(void)
+{
+ unsigned int eax, ebx, ecx, edx = 0;
+ bool result;
+
+ cpuid(7, 0, &eax, &ebx, &ecx, &edx);
+ result = edx & BIT(15);
+ pr_debug("Is %shybrid : CPUID leaf 7 subleaf 0 edx %#x (bit-15 indicates hybrid)\n",
+ result ? "" : "not ", edx);
+ return result;
+}
+
+static int compare_caps(int cpu, struct pt_caps *caps, struct pt_caps *caps0)
+{
+ struct pt_caps mask = { /* Mask of bits to check*/
+ .subleaf = {
+ [0] = {
+ .ebx = GENMASK(8, 0),
+ .ecx = GENMASK(3, 0),
+ },
+ [1] = {
+ .eax = GENMASK(31, 16),
+ .ebx = GENMASK(31, 0),
+ }
+ }
+ };
+ unsigned int m, reg, reg0;
+ int ret = 0;
+ int i, j;
+
+ for (i = 0; i < INTEL_PT_SUBLEAF_CNT; i++) {
+ for (j = 0; j < CPUID_REG_CNT; j++) {
+ m = mask.subleaf[i].reg[j];
+ reg = m & caps->subleaf[i].reg[j];
+ reg0 = m & caps0->subleaf[i].reg[j];
+ if ((reg & reg0) != reg0) {
+ pr_debug("CPU %d subleaf %d reg %d FAIL %#x vs %#x\n",
+ cpu, i, j, reg, reg0);
+ ret = -1;
+ }
+ }
+ }
+
+ m = INTEL_PT_ADDR_FILT_CNT_MASK;
+ reg = m & caps->subleaf[1].eax;
+ reg0 = m & caps0->subleaf[1].eax;
+ if (reg < reg0) {
+ pr_debug("CPU %d subleaf 1 reg 0 FAIL address filter count %#x vs %#x\n",
+ cpu, reg, reg0);
+ ret = -1;
+ }
+
+ if (!ret)
+ pr_debug("CPU %d OK\n", cpu);
+
+ return ret;
+}
+
+int test__intel_pt_hybrid_compat(struct test_suite *test, int subtest)
+{
+ int max_cpu = cpu__max_cpu().cpu;
+ struct pt_caps last_caps;
+ struct pt_caps caps0;
+ int ret = TEST_OK;
+ int cpu;
+
+ if (!is_hybrid()) {
+ test->test_cases[subtest].skip_reason = "not hybrid";
+ return TEST_SKIP;
+ }
+
+ if (get_pt_caps(0, &caps0))
+ return TEST_FAIL;
+
+ for (cpu = 1, last_caps = caps0; cpu < max_cpu; cpu++) {
+ struct pt_caps caps;
+
+ if (get_pt_caps(cpu, &caps)) {
+ pr_debug("CPU %d not found\n", cpu);
+ continue;
+ }
+ if (!memcmp(&caps, &last_caps, sizeof(caps))) {
+ pr_debug("CPU %d same caps as previous CPU\n", cpu);
+ continue;
+ }
+ if (compare_caps(cpu, &caps, &caps0))
+ ret = TEST_FAIL;
+ last_caps = caps;
+ }
+
+ return ret;
+}
diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c
deleted file mode 100644
index 5c76cc83186a..000000000000
--- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c
+++ /dev/null
@@ -1,159 +0,0 @@
-#include <stdio.h>
-#include <unistd.h>
-#include <linux/types.h>
-#include <sys/prctl.h>
-
-#include "parse-events.h"
-#include "evlist.h"
-#include "evsel.h"
-#include "thread_map.h"
-#include "cpumap.h"
-#include "tsc.h"
-#include "tests/tests.h"
-
-#include "arch-tests.h"
-
-#define CHECK__(x) { \
- while ((x) < 0) { \
- pr_debug(#x " failed!\n"); \
- goto out_err; \
- } \
-}
-
-#define CHECK_NOT_NULL__(x) { \
- while ((x) == NULL) { \
- pr_debug(#x " failed!\n"); \
- goto out_err; \
- } \
-}
-
-/**
- * test__perf_time_to_tsc - test converting perf time to TSC.
- *
- * This function implements a test that checks that the conversion of perf time
- * to and from TSC is consistent with the order of events. If the test passes
- * %0 is returned, otherwise %-1 is returned. If TSC conversion is not
- * supported then then the test passes but " (not supported)" is printed.
- */
-int test__perf_time_to_tsc(int subtest __maybe_unused)
-{
- struct record_opts opts = {
- .mmap_pages = UINT_MAX,
- .user_freq = UINT_MAX,
- .user_interval = ULLONG_MAX,
- .target = {
- .uses_mmap = true,
- },
- .sample_time = true,
- };
- struct thread_map *threads = NULL;
- struct cpu_map *cpus = NULL;
- struct perf_evlist *evlist = NULL;
- struct perf_evsel *evsel = NULL;
- int err = -1, ret, i;
- const char *comm1, *comm2;
- struct perf_tsc_conversion tc;
- struct perf_event_mmap_page *pc;
- union perf_event *event;
- u64 test_tsc, comm1_tsc, comm2_tsc;
- u64 test_time, comm1_time = 0, comm2_time = 0;
-
- threads = thread_map__new(-1, getpid(), UINT_MAX);
- CHECK_NOT_NULL__(threads);
-
- cpus = cpu_map__new(NULL);
- CHECK_NOT_NULL__(cpus);
-
- evlist = perf_evlist__new();
- CHECK_NOT_NULL__(evlist);
-
- perf_evlist__set_maps(evlist, cpus, threads);
-
- CHECK__(parse_events(evlist, "cycles:u", NULL));
-
- perf_evlist__config(evlist, &opts, NULL);
-
- evsel = perf_evlist__first(evlist);
-
- evsel->attr.comm = 1;
- evsel->attr.disabled = 1;
- evsel->attr.enable_on_exec = 0;
-
- CHECK__(perf_evlist__open(evlist));
-
- CHECK__(perf_evlist__mmap(evlist, UINT_MAX, false));
-
- pc = evlist->mmap[0].base;
- ret = perf_read_tsc_conversion(pc, &tc);
- if (ret) {
- if (ret == -EOPNOTSUPP) {
- fprintf(stderr, " (not supported)");
- return 0;
- }
- goto out_err;
- }
-
- perf_evlist__enable(evlist);
-
- comm1 = "Test COMM 1";
- CHECK__(prctl(PR_SET_NAME, (unsigned long)comm1, 0, 0, 0));
-
- test_tsc = rdtsc();
-
- comm2 = "Test COMM 2";
- CHECK__(prctl(PR_SET_NAME, (unsigned long)comm2, 0, 0, 0));
-
- perf_evlist__disable(evlist);
-
- for (i = 0; i < evlist->nr_mmaps; i++) {
- while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
- struct perf_sample sample;
-
- if (event->header.type != PERF_RECORD_COMM ||
- (pid_t)event->comm.pid != getpid() ||
- (pid_t)event->comm.tid != getpid())
- goto next_event;
-
- if (strcmp(event->comm.comm, comm1) == 0) {
- CHECK__(perf_evsel__parse_sample(evsel, event,
- &sample));
- comm1_time = sample.time;
- }
- if (strcmp(event->comm.comm, comm2) == 0) {
- CHECK__(perf_evsel__parse_sample(evsel, event,
- &sample));
- comm2_time = sample.time;
- }
-next_event:
- perf_evlist__mmap_consume(evlist, i);
- }
- }
-
- if (!comm1_time || !comm2_time)
- goto out_err;
-
- test_time = tsc_to_perf_time(test_tsc, &tc);
- comm1_tsc = perf_time_to_tsc(comm1_time, &tc);
- comm2_tsc = perf_time_to_tsc(comm2_time, &tc);
-
- pr_debug("1st event perf time %"PRIu64" tsc %"PRIu64"\n",
- comm1_time, comm1_tsc);
- pr_debug("rdtsc time %"PRIu64" tsc %"PRIu64"\n",
- test_time, test_tsc);
- pr_debug("2nd event perf time %"PRIu64" tsc %"PRIu64"\n",
- comm2_time, comm2_tsc);
-
- if (test_time <= comm1_time ||
- test_time >= comm2_time)
- goto out_err;
-
- if (test_tsc <= comm1_tsc ||
- test_tsc >= comm2_tsc)
- goto out_err;
-
- err = 0;
-
-out_err:
- perf_evlist__delete(evlist);
- return err;
-}
diff --git a/tools/perf/arch/x86/tests/rdpmc.c b/tools/perf/arch/x86/tests/rdpmc.c
deleted file mode 100644
index 500cf96db979..000000000000
--- a/tools/perf/arch/x86/tests/rdpmc.c
+++ /dev/null
@@ -1,179 +0,0 @@
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <linux/types.h>
-#include "perf.h"
-#include "debug.h"
-#include "tests/tests.h"
-#include "cloexec.h"
-#include "util.h"
-#include "arch-tests.h"
-
-static u64 rdpmc(unsigned int counter)
-{
- unsigned int low, high;
-
- asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter));
-
- return low | ((u64)high) << 32;
-}
-
-static u64 rdtsc(void)
-{
- unsigned int low, high;
-
- asm volatile("rdtsc" : "=a" (low), "=d" (high));
-
- return low | ((u64)high) << 32;
-}
-
-static u64 mmap_read_self(void *addr)
-{
- struct perf_event_mmap_page *pc = addr;
- u32 seq, idx, time_mult = 0, time_shift = 0;
- u64 count, cyc = 0, time_offset = 0, enabled, running, delta;
-
- do {
- seq = pc->lock;
- barrier();
-
- enabled = pc->time_enabled;
- running = pc->time_running;
-
- if (enabled != running) {
- cyc = rdtsc();
- time_mult = pc->time_mult;
- time_shift = pc->time_shift;
- time_offset = pc->time_offset;
- }
-
- idx = pc->index;
- count = pc->offset;
- if (idx)
- count += rdpmc(idx - 1);
-
- barrier();
- } while (pc->lock != seq);
-
- if (enabled != running) {
- u64 quot, rem;
-
- quot = (cyc >> time_shift);
- rem = cyc & (((u64)1 << time_shift) - 1);
- delta = time_offset + quot * time_mult +
- ((rem * time_mult) >> time_shift);
-
- enabled += delta;
- if (idx)
- running += delta;
-
- quot = count / running;
- rem = count % running;
- count = quot * enabled + (rem * enabled) / running;
- }
-
- return count;
-}
-
-/*
- * If the RDPMC instruction faults then signal this back to the test parent task:
- */
-static void segfault_handler(int sig __maybe_unused,
- siginfo_t *info __maybe_unused,
- void *uc __maybe_unused)
-{
- exit(-1);
-}
-
-static int __test__rdpmc(void)
-{
- volatile int tmp = 0;
- u64 i, loops = 1000;
- int n;
- int fd;
- void *addr;
- struct perf_event_attr attr = {
- .type = PERF_TYPE_HARDWARE,
- .config = PERF_COUNT_HW_INSTRUCTIONS,
- .exclude_kernel = 1,
- };
- u64 delta_sum = 0;
- struct sigaction sa;
- char sbuf[STRERR_BUFSIZE];
-
- sigfillset(&sa.sa_mask);
- sa.sa_sigaction = segfault_handler;
- sa.sa_flags = 0;
- sigaction(SIGSEGV, &sa, NULL);
-
- fd = sys_perf_event_open(&attr, 0, -1, -1,
- perf_event_open_cloexec_flag());
- if (fd < 0) {
- pr_err("Error: sys_perf_event_open() syscall returned "
- "with %d (%s)\n", fd,
- str_error_r(errno, sbuf, sizeof(sbuf)));
- return -1;
- }
-
- addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0);
- if (addr == (void *)(-1)) {
- pr_err("Error: mmap() syscall returned with (%s)\n",
- str_error_r(errno, sbuf, sizeof(sbuf)));
- goto out_close;
- }
-
- for (n = 0; n < 6; n++) {
- u64 stamp, now, delta;
-
- stamp = mmap_read_self(addr);
-
- for (i = 0; i < loops; i++)
- tmp++;
-
- now = mmap_read_self(addr);
- loops *= 10;
-
- delta = now - stamp;
- pr_debug("%14d: %14Lu\n", n, (long long)delta);
-
- delta_sum += delta;
- }
-
- munmap(addr, page_size);
- pr_debug(" ");
-out_close:
- close(fd);
-
- if (!delta_sum)
- return -1;
-
- return 0;
-}
-
-int test__rdpmc(int subtest __maybe_unused)
-{
- int status = 0;
- int wret = 0;
- int ret;
- int pid;
-
- pid = fork();
- if (pid < 0)
- return -1;
-
- if (!pid) {
- ret = __test__rdpmc();
-
- exit(ret);
- }
-
- wret = waitpid(pid, &status, 0);
- if (wret < 0 || status)
- return -1;
-
- return 0;
-}
diff --git a/tools/perf/arch/x86/tests/regs_load.S b/tools/perf/arch/x86/tests/regs_load.S
index 60875d5c556c..80f14f52e3f6 100644
--- a/tools/perf/arch/x86/tests/regs_load.S
+++ b/tools/perf/arch/x86/tests/regs_load.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#define AX 0
@@ -27,7 +28,7 @@
.text
#ifdef HAVE_ARCH_X86_64_SUPPORT
-ENTRY(perf_regs_load)
+SYM_FUNC_START(perf_regs_load)
movq %rax, AX(%rdi)
movq %rbx, BX(%rdi)
movq %rcx, CX(%rdi)
@@ -59,9 +60,9 @@ ENTRY(perf_regs_load)
movq %r14, R14(%rdi)
movq %r15, R15(%rdi)
ret
-ENDPROC(perf_regs_load)
+SYM_FUNC_END(perf_regs_load)
#else
-ENTRY(perf_regs_load)
+SYM_FUNC_START(perf_regs_load)
push %edi
movl 8(%esp), %edi
movl %eax, AX(%edi)
@@ -87,7 +88,7 @@ ENTRY(perf_regs_load)
movl $0, FS(%edi)
movl $0, GS(%edi)
ret
-ENDPROC(perf_regs_load)
+SYM_FUNC_END(perf_regs_load)
#endif
/*
diff --git a/tools/perf/arch/x86/tests/topdown.c b/tools/perf/arch/x86/tests/topdown.c
new file mode 100644
index 000000000000..3ee4e5e71be3
--- /dev/null
+++ b/tools/perf/arch/x86/tests/topdown.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include "arch-tests.h"
+#include "../util/topdown.h"
+#include "debug.h"
+#include "evlist.h"
+#include "parse-events.h"
+#include "pmu.h"
+#include "pmus.h"
+
+static int event_cb(void *state, struct pmu_event_info *info)
+{
+ char buf[256];
+ struct parse_events_error parse_err;
+ int *ret = state, err;
+ struct evlist *evlist = evlist__new();
+ struct evsel *evsel;
+
+ if (!evlist)
+ return -ENOMEM;
+
+ parse_events_error__init(&parse_err);
+ snprintf(buf, sizeof(buf), "%s/%s/", info->pmu->name, info->name);
+ err = parse_events(evlist, buf, &parse_err);
+ if (err) {
+ parse_events_error__print(&parse_err, buf);
+ *ret = TEST_FAIL;
+ }
+ parse_events_error__exit(&parse_err);
+ evlist__for_each_entry(evlist, evsel) {
+ bool fail = false;
+ bool p_core_pmu = evsel->pmu->type == PERF_TYPE_RAW;
+ const char *name = evsel__name(evsel);
+
+ if (strcasestr(name, "uops_retired.slots") ||
+ strcasestr(name, "topdown.backend_bound_slots") ||
+ strcasestr(name, "topdown.br_mispredict_slots") ||
+ strcasestr(name, "topdown.memory_bound_slots") ||
+ strcasestr(name, "topdown.bad_spec_slots") ||
+ strcasestr(name, "topdown.slots_p")) {
+ if (arch_is_topdown_slots(evsel) || arch_is_topdown_metrics(evsel))
+ fail = true;
+ } else if (strcasestr(name, "slots")) {
+ if (arch_is_topdown_slots(evsel) != p_core_pmu ||
+ arch_is_topdown_metrics(evsel))
+ fail = true;
+ } else if (strcasestr(name, "topdown")) {
+ if (arch_is_topdown_slots(evsel) ||
+ arch_is_topdown_metrics(evsel) != p_core_pmu)
+ fail = true;
+ } else if (arch_is_topdown_slots(evsel) || arch_is_topdown_metrics(evsel)) {
+ fail = true;
+ }
+ if (fail) {
+ pr_debug("Broken topdown information for '%s'\n", evsel__name(evsel));
+ *ret = TEST_FAIL;
+ }
+ }
+ evlist__delete(evlist);
+ return 0;
+}
+
+static int test__x86_topdown(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+ int ret = TEST_OK;
+ struct perf_pmu *pmu = NULL;
+
+ if (!topdown_sys_has_perf_metrics())
+ return TEST_OK;
+
+ while ((pmu = perf_pmus__scan_core(pmu)) != NULL) {
+ if (perf_pmu__for_each_event(pmu, /*skip_duplicate_pmus=*/false, &ret, event_cb))
+ break;
+ }
+ return ret;
+}
+
+DEFINE_SUITE("x86 topdown", x86_topdown);
diff --git a/tools/perf/arch/x86/util/Build b/tools/perf/arch/x86/util/Build
index f95e6f46ef0d..c0dc5965f362 100644
--- a/tools/perf/arch/x86/util/Build
+++ b/tools/perf/arch/x86/util/Build
@@ -1,16 +1,20 @@
-libperf-y += header.o
-libperf-y += tsc.o
-libperf-y += pmu.o
-libperf-y += kvm-stat.o
-libperf-y += perf_regs.o
-libperf-y += group.o
+perf-util-y += header.o
+perf-util-y += tsc.o
+perf-util-y += pmu.o
+perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
+perf-util-y += perf_regs.o
+perf-util-y += topdown.o
+perf-util-y += machine.o
+perf-util-y += event.o
+perf-util-y += evlist.o
+perf-util-y += mem-events.o
+perf-util-y += evsel.o
+perf-util-y += iostat.o
-libperf-$(CONFIG_DWARF) += dwarf-regs.o
-libperf-$(CONFIG_BPF_PROLOGUE) += dwarf-regs.o
+perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
+perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
-libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
-libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
-
-libperf-$(CONFIG_AUXTRACE) += auxtrace.o
-libperf-$(CONFIG_AUXTRACE) += intel-pt.o
-libperf-$(CONFIG_AUXTRACE) += intel-bts.o
+perf-util-y += auxtrace.o
+perf-util-y += archinsn.o
+perf-util-y += intel-pt.o
+perf-util-y += intel-bts.o
diff --git a/tools/perf/arch/x86/util/archinsn.c b/tools/perf/arch/x86/util/archinsn.c
new file mode 100644
index 000000000000..546feda08428
--- /dev/null
+++ b/tools/perf/arch/x86/util/archinsn.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "archinsn.h"
+#include "event.h"
+#include "machine.h"
+#include "thread.h"
+#include "symbol.h"
+#include "../../../../arch/x86/include/asm/insn.h"
+
+void arch_fetch_insn(struct perf_sample *sample,
+ struct thread *thread,
+ struct machine *machine)
+{
+ struct insn insn;
+ int len, ret;
+ bool is64bit = false;
+
+ if (!sample->ip)
+ return;
+ len = thread__memcpy(thread, machine, sample->insn, sample->ip, sizeof(sample->insn), &is64bit);
+ if (len <= 0)
+ return;
+
+ ret = insn_decode(&insn, sample->insn, len,
+ is64bit ? INSN_MODE_64 : INSN_MODE_32);
+ if (ret >= 0 && insn.length <= len)
+ sample->insn_len = insn.length;
+}
diff --git a/tools/perf/arch/x86/util/auxtrace.c b/tools/perf/arch/x86/util/auxtrace.c
index cc1d865e31f1..ecbf61a7eb3a 100644
--- a/tools/perf/arch/x86/util/auxtrace.c
+++ b/tools/perf/arch/x86/util/auxtrace.c
@@ -1,50 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* auxtrace.c: AUX area tracing support
* Copyright (c) 2013-2014, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
*/
+#include <errno.h>
#include <stdbool.h>
-#include "../../util/header.h"
-#include "../../util/debug.h"
-#include "../../util/pmu.h"
-#include "../../util/auxtrace.h"
-#include "../../util/intel-pt.h"
-#include "../../util/intel-bts.h"
-#include "../../util/evlist.h"
+#include "../../../util/header.h"
+#include "../../../util/debug.h"
+#include "../../../util/pmu.h"
+#include "../../../util/pmus.h"
+#include "../../../util/auxtrace.h"
+#include "../../../util/intel-pt.h"
+#include "../../../util/intel-bts.h"
+#include "../../../util/evlist.h"
static
-struct auxtrace_record *auxtrace_record__init_intel(struct perf_evlist *evlist,
+struct auxtrace_record *auxtrace_record__init_intel(struct evlist *evlist,
int *err)
{
struct perf_pmu *intel_pt_pmu;
struct perf_pmu *intel_bts_pmu;
- struct perf_evsel *evsel;
+ struct evsel *evsel;
bool found_pt = false;
bool found_bts = false;
- intel_pt_pmu = perf_pmu__find(INTEL_PT_PMU_NAME);
- intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME);
+ intel_pt_pmu = perf_pmus__find(INTEL_PT_PMU_NAME);
+ intel_bts_pmu = perf_pmus__find(INTEL_BTS_PMU_NAME);
- if (evlist) {
- evlist__for_each_entry(evlist, evsel) {
- if (intel_pt_pmu &&
- evsel->attr.type == intel_pt_pmu->type)
- found_pt = true;
- if (intel_bts_pmu &&
- evsel->attr.type == intel_bts_pmu->type)
- found_bts = true;
- }
+ evlist__for_each_entry(evlist, evsel) {
+ if (intel_pt_pmu && evsel->core.attr.type == intel_pt_pmu->type)
+ found_pt = true;
+ if (intel_bts_pmu && evsel->core.attr.type == intel_bts_pmu->type)
+ found_bts = true;
}
if (found_pt && found_bts) {
@@ -62,15 +51,16 @@ struct auxtrace_record *auxtrace_record__init_intel(struct perf_evlist *evlist,
return NULL;
}
-struct auxtrace_record *auxtrace_record__init(struct perf_evlist *evlist,
+struct auxtrace_record *auxtrace_record__init(struct evlist *evlist,
int *err)
{
char buffer[64];
+ struct perf_cpu cpu = perf_cpu_map__min(evlist->core.all_cpus);
int ret;
*err = 0;
- ret = get_cpuid(buffer, sizeof(buffer));
+ ret = get_cpuid(buffer, sizeof(buffer), cpu);
if (ret) {
*err = ret;
return NULL;
diff --git a/tools/perf/arch/x86/util/cpuid.h b/tools/perf/arch/x86/util/cpuid.h
new file mode 100644
index 000000000000..0a3ae0ace7e9
--- /dev/null
+++ b/tools/perf/arch/x86/util/cpuid.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef PERF_CPUID_H
+#define PERF_CPUID_H 1
+
+
+static inline void
+cpuid(unsigned int op, unsigned int op2, unsigned int *a, unsigned int *b,
+ unsigned int *c, unsigned int *d)
+{
+ /*
+ * Preserve %ebx/%rbx register by either placing it in %rdi or saving it
+ * on the stack - x86-64 needs to avoid the stack red zone. In PIC
+ * compilations %ebx contains the address of the global offset
+ * table. %rbx is occasionally used to address stack variables in
+ * presence of dynamic allocas.
+ */
+ asm(
+#if defined(__x86_64__)
+ "mov %%rbx, %%rdi\n"
+ "cpuid\n"
+ "xchg %%rdi, %%rbx\n"
+#else
+ "pushl %%ebx\n"
+ "cpuid\n"
+ "movl %%ebx, %%edi\n"
+ "popl %%ebx\n"
+#endif
+ : "=a"(*a), "=D"(*b), "=c"(*c), "=d"(*d)
+ : "a"(op), "2"(op2));
+}
+
+void get_cpuid_0(char *vendor, unsigned int *lvl);
+
+#endif
diff --git a/tools/perf/arch/x86/util/dwarf-regs.c b/tools/perf/arch/x86/util/dwarf-regs.c
deleted file mode 100644
index 1f86ee8fb831..000000000000
--- a/tools/perf/arch/x86/util/dwarf-regs.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * dwarf-regs.c : Mapping of DWARF debug register numbers into register names.
- * Extracted from probe-finder.c
- *
- * Written by Masami Hiramatsu <mhiramat@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- */
-
-#include <stddef.h>
-#include <errno.h> /* for EINVAL */
-#include <string.h> /* for strcmp */
-#include <linux/ptrace.h> /* for struct pt_regs */
-#include <linux/kernel.h> /* for offsetof */
-#include <dwarf-regs.h>
-
-/*
- * See arch/x86/kernel/ptrace.c.
- * Different from it:
- *
- * - Since struct pt_regs is defined differently for user and kernel,
- * but we want to use 'ax, bx' instead of 'rax, rbx' (which is struct
- * field name of user's pt_regs), we make REG_OFFSET_NAME to accept
- * both string name and reg field name.
- *
- * - Since accessing x86_32's pt_regs from x86_64 building is difficult
- * and vise versa, we simply fill offset with -1, so
- * get_arch_regstr() still works but regs_query_register_offset()
- * returns error.
- * The only inconvenience caused by it now is that we are not allowed
- * to generate BPF prologue for a x86_64 kernel if perf is built for
- * x86_32. This is really a rare usecase.
- *
- * - Order is different from kernel's ptrace.c for get_arch_regstr(). Use
- * the order defined by dwarf.
- */
-
-struct pt_regs_offset {
- const char *name;
- int offset;
-};
-
-#define REG_OFFSET_END {.name = NULL, .offset = 0}
-
-#ifdef __x86_64__
-# define REG_OFFSET_NAME_64(n, r) {.name = n, .offset = offsetof(struct pt_regs, r)}
-# define REG_OFFSET_NAME_32(n, r) {.name = n, .offset = -1}
-#else
-# define REG_OFFSET_NAME_64(n, r) {.name = n, .offset = -1}
-# define REG_OFFSET_NAME_32(n, r) {.name = n, .offset = offsetof(struct pt_regs, r)}
-#endif
-
-/* TODO: switching by dwarf address size */
-#ifndef __x86_64__
-static const struct pt_regs_offset x86_32_regoffset_table[] = {
- REG_OFFSET_NAME_32("%ax", eax),
- REG_OFFSET_NAME_32("%cx", ecx),
- REG_OFFSET_NAME_32("%dx", edx),
- REG_OFFSET_NAME_32("%bx", ebx),
- REG_OFFSET_NAME_32("$stack", esp), /* Stack address instead of %sp */
- REG_OFFSET_NAME_32("%bp", ebp),
- REG_OFFSET_NAME_32("%si", esi),
- REG_OFFSET_NAME_32("%di", edi),
- REG_OFFSET_END,
-};
-
-#define regoffset_table x86_32_regoffset_table
-#else
-static const struct pt_regs_offset x86_64_regoffset_table[] = {
- REG_OFFSET_NAME_64("%ax", rax),
- REG_OFFSET_NAME_64("%dx", rdx),
- REG_OFFSET_NAME_64("%cx", rcx),
- REG_OFFSET_NAME_64("%bx", rbx),
- REG_OFFSET_NAME_64("%si", rsi),
- REG_OFFSET_NAME_64("%di", rdi),
- REG_OFFSET_NAME_64("%bp", rbp),
- REG_OFFSET_NAME_64("%sp", rsp),
- REG_OFFSET_NAME_64("%r8", r8),
- REG_OFFSET_NAME_64("%r9", r9),
- REG_OFFSET_NAME_64("%r10", r10),
- REG_OFFSET_NAME_64("%r11", r11),
- REG_OFFSET_NAME_64("%r12", r12),
- REG_OFFSET_NAME_64("%r13", r13),
- REG_OFFSET_NAME_64("%r14", r14),
- REG_OFFSET_NAME_64("%r15", r15),
- REG_OFFSET_END,
-};
-
-#define regoffset_table x86_64_regoffset_table
-#endif
-
-/* Minus 1 for the ending REG_OFFSET_END */
-#define ARCH_MAX_REGS ((sizeof(regoffset_table) / sizeof(regoffset_table[0])) - 1)
-
-/* Return architecture dependent register string (for kprobe-tracer) */
-const char *get_arch_regstr(unsigned int n)
-{
- return (n < ARCH_MAX_REGS) ? regoffset_table[n].name : NULL;
-}
-
-/* Reuse code from arch/x86/kernel/ptrace.c */
-/**
- * regs_query_register_offset() - query register offset from its name
- * @name: the name of a register
- *
- * regs_query_register_offset() returns the offset of a register in struct
- * pt_regs from its name. If the name is invalid, this returns -EINVAL;
- */
-int regs_query_register_offset(const char *name)
-{
- const struct pt_regs_offset *roff;
- for (roff = regoffset_table; roff->name != NULL; roff++)
- if (!strcmp(roff->name, name))
- return roff->offset;
- return -EINVAL;
-}
diff --git a/tools/perf/arch/x86/util/event.c b/tools/perf/arch/x86/util/event.c
new file mode 100644
index 000000000000..3cd384317739
--- /dev/null
+++ b/tools/perf/arch/x86/util/event.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/zalloc.h>
+#include <stdlib.h>
+
+#include "../../../util/event.h"
+#include "../../../util/synthetic-events.h"
+#include "../../../util/machine.h"
+#include "../../../util/tool.h"
+#include "../../../util/map.h"
+#include "../../../util/debug.h"
+#include "util/sample.h"
+
+#if defined(__x86_64__)
+
+struct perf_event__synthesize_extra_kmaps_cb_args {
+ const struct perf_tool *tool;
+ perf_event__handler_t process;
+ struct machine *machine;
+ union perf_event *event;
+};
+
+static int perf_event__synthesize_extra_kmaps_cb(struct map *map, void *data)
+{
+ struct perf_event__synthesize_extra_kmaps_cb_args *args = data;
+ union perf_event *event = args->event;
+ struct kmap *kmap;
+ size_t size;
+
+ if (!__map__is_extra_kernel_map(map))
+ return 0;
+
+ kmap = map__kmap(map);
+
+ size = sizeof(event->mmap) - sizeof(event->mmap.filename) +
+ PERF_ALIGN(strlen(kmap->name) + 1, sizeof(u64)) +
+ args->machine->id_hdr_size;
+
+ memset(event, 0, size);
+
+ event->mmap.header.type = PERF_RECORD_MMAP;
+
+ /*
+ * kernel uses 0 for user space maps, see kernel/perf_event.c
+ * __perf_event_mmap
+ */
+ if (machine__is_host(args->machine))
+ event->header.misc = PERF_RECORD_MISC_KERNEL;
+ else
+ event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL;
+
+ event->mmap.header.size = size;
+
+ event->mmap.start = map__start(map);
+ event->mmap.len = map__size(map);
+ event->mmap.pgoff = map__pgoff(map);
+ event->mmap.pid = args->machine->pid;
+
+ strlcpy(event->mmap.filename, kmap->name, PATH_MAX);
+
+ if (perf_tool__process_synth_event(args->tool, event, args->machine, args->process) != 0)
+ return -1;
+
+ return 0;
+}
+
+int perf_event__synthesize_extra_kmaps(const struct perf_tool *tool,
+ perf_event__handler_t process,
+ struct machine *machine)
+{
+ int rc;
+ struct maps *kmaps = machine__kernel_maps(machine);
+ struct perf_event__synthesize_extra_kmaps_cb_args args = {
+ .tool = tool,
+ .process = process,
+ .machine = machine,
+ .event = zalloc(sizeof(args.event->mmap) + machine->id_hdr_size),
+ };
+
+ if (!args.event) {
+ pr_debug("Not enough memory synthesizing mmap event "
+ "for extra kernel maps\n");
+ return -1;
+ }
+
+ rc = maps__for_each_map(kmaps, perf_event__synthesize_extra_kmaps_cb, &args);
+
+ free(args.event);
+ return rc;
+}
+
+#endif
diff --git a/tools/perf/arch/x86/util/evlist.c b/tools/perf/arch/x86/util/evlist.c
new file mode 100644
index 000000000000..75e9d00a1494
--- /dev/null
+++ b/tools/perf/arch/x86/util/evlist.c
@@ -0,0 +1,107 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <string.h>
+#include "../../../util/evlist.h"
+#include "../../../util/evsel.h"
+#include "topdown.h"
+#include "evsel.h"
+
+int arch_evlist__cmp(const struct evsel *lhs, const struct evsel *rhs)
+{
+ /*
+ * Currently the following topdown events sequence are supported to
+ * move and regroup correctly.
+ *
+ * a. all events in a group
+ * perf stat -e "{instructions,topdown-retiring,slots}" -C0 sleep 1
+ * WARNING: events were regrouped to match PMUs
+ * Performance counter stats for 'CPU(s) 0':
+ * 15,066,240 slots
+ * 1,899,760 instructions
+ * 2,126,998 topdown-retiring
+ * b. all events not in a group
+ * perf stat -e "instructions,topdown-retiring,slots" -C0 sleep 1
+ * WARNING: events were regrouped to match PMUs
+ * Performance counter stats for 'CPU(s) 0':
+ * 2,045,561 instructions
+ * 17,108,370 slots
+ * 2,281,116 topdown-retiring
+ * c. slots event in a group but topdown metrics events outside the group
+ * perf stat -e "{instructions,slots},topdown-retiring" -C0 sleep 1
+ * WARNING: events were regrouped to match PMUs
+ * Performance counter stats for 'CPU(s) 0':
+ * 20,323,878 slots
+ * 2,634,884 instructions
+ * 3,028,656 topdown-retiring
+ * d. slots event and topdown metrics events in two groups
+ * perf stat -e "{instructions,slots},{topdown-retiring}" -C0 sleep 1
+ * WARNING: events were regrouped to match PMUs
+ * Performance counter stats for 'CPU(s) 0':
+ * 26,319,024 slots
+ * 2,427,791 instructions
+ * 2,683,508 topdown-retiring
+ * e. slots event and metrics event are not in a group and not adjacent
+ * perf stat -e "{instructions,slots},cycles,topdown-retiring" -C0 sleep 1
+ * WARNING: events were regrouped to match PMUs
+ * 68,433,522 slots
+ * 8,856,102 topdown-retiring
+ * 7,791,494 instructions
+ * 11,469,513 cycles
+ */
+ if (topdown_sys_has_perf_metrics() &&
+ (arch_evsel__must_be_in_group(lhs) || arch_evsel__must_be_in_group(rhs))) {
+ /* Ensure the topdown slots comes first. */
+ if (arch_is_topdown_slots(lhs))
+ return -1;
+ if (arch_is_topdown_slots(rhs))
+ return 1;
+
+ /*
+ * Move topdown metrics events forward only when topdown metrics
+ * events are not in same group with previous slots event. If
+ * topdown metrics events are already in same group with slots
+ * event, do nothing.
+ */
+ if (lhs->core.leader != rhs->core.leader) {
+ bool lhs_topdown = arch_is_topdown_metrics(lhs);
+ bool rhs_topdown = arch_is_topdown_metrics(rhs);
+
+ if (lhs_topdown && !rhs_topdown)
+ return -1;
+ if (!lhs_topdown && rhs_topdown)
+ return 1;
+ }
+ }
+
+ /* Retire latency event should not be group leader*/
+ if (lhs->retire_lat && !rhs->retire_lat)
+ return 1;
+ if (!lhs->retire_lat && rhs->retire_lat)
+ return -1;
+
+ /* Default ordering by insertion index. */
+ return lhs->core.idx - rhs->core.idx;
+}
+
+int arch_evlist__add_required_events(struct list_head *list)
+{
+ struct evsel *pos, *metric_event = NULL;
+ int idx = 0;
+
+ if (!topdown_sys_has_perf_metrics())
+ return 0;
+
+ list_for_each_entry(pos, list, core.node) {
+ if (arch_is_topdown_slots(pos)) {
+ /* Slots event already present, nothing to do. */
+ return 0;
+ }
+ if (metric_event == NULL && arch_is_topdown_metrics(pos))
+ metric_event = pos;
+ idx++;
+ }
+ if (metric_event == NULL) {
+ /* No topdown metric events, nothing to do. */
+ return 0;
+ }
+ return topdown_insert_slots_event(list, idx + 1, metric_event);
+}
diff --git a/tools/perf/arch/x86/util/evsel.c b/tools/perf/arch/x86/util/evsel.c
new file mode 100644
index 000000000000..23a8e662a912
--- /dev/null
+++ b/tools/perf/arch/x86/util/evsel.c
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "util/evlist.h"
+#include "util/evsel.h"
+#include "util/evsel_config.h"
+#include "util/env.h"
+#include "util/pmu.h"
+#include "util/pmus.h"
+#include "util/stat.h"
+#include "util/strbuf.h"
+#include "linux/string.h"
+#include "topdown.h"
+#include "evsel.h"
+#include "util/debug.h"
+#include "env.h"
+
+#define IBS_FETCH_L3MISSONLY (1ULL << 59)
+#define IBS_OP_L3MISSONLY (1ULL << 16)
+
+void arch_evsel__set_sample_weight(struct evsel *evsel)
+{
+ evsel__set_sample_bit(evsel, WEIGHT_STRUCT);
+}
+
+/* Check whether the evsel's PMU supports the perf metrics */
+bool evsel__sys_has_perf_metrics(const struct evsel *evsel)
+{
+ struct perf_pmu *pmu;
+
+ if (!topdown_sys_has_perf_metrics())
+ return false;
+
+ /*
+ * The PERF_TYPE_RAW type is the core PMU type, e.g., "cpu" PMU on a
+ * non-hybrid machine, "cpu_core" PMU on a hybrid machine. The
+ * topdown_sys_has_perf_metrics checks the slots event is only available
+ * for the core PMU, which supports the perf metrics feature. Checking
+ * both the PERF_TYPE_RAW type and the slots event should be good enough
+ * to detect the perf metrics feature.
+ */
+ pmu = evsel__find_pmu(evsel);
+ return pmu && pmu->type == PERF_TYPE_RAW;
+}
+
+bool arch_evsel__must_be_in_group(const struct evsel *evsel)
+{
+ if (!evsel__sys_has_perf_metrics(evsel))
+ return false;
+
+ return arch_is_topdown_metrics(evsel) || arch_is_topdown_slots(evsel);
+}
+
+int arch_evsel__hw_name(struct evsel *evsel, char *bf, size_t size)
+{
+ u64 event = evsel->core.attr.config & PERF_HW_EVENT_MASK;
+ u64 pmu = evsel->core.attr.config >> PERF_PMU_TYPE_SHIFT;
+ const char *event_name;
+
+ if (event < PERF_COUNT_HW_MAX && evsel__hw_names[event])
+ event_name = evsel__hw_names[event];
+ else
+ event_name = "unknown-hardware";
+
+ /* The PMU type is not required for the non-hybrid platform. */
+ if (!pmu)
+ return scnprintf(bf, size, "%s", event_name);
+
+ return scnprintf(bf, size, "%s/%s/",
+ evsel->pmu ? evsel->pmu->name : "cpu",
+ event_name);
+}
+
+void arch_evsel__apply_ratio_to_prev(struct evsel *evsel,
+ struct perf_event_attr *attr)
+{
+ struct perf_event_attr *prev_attr = NULL;
+ struct evsel *evsel_prev = NULL;
+ const char *name = "acr_mask";
+ int evsel_idx = 0;
+ __u64 ev_mask, pr_ev_mask;
+
+ if (!perf_pmu__has_format(evsel->pmu, name)) {
+ pr_err("'%s' does not have acr_mask format support\n", evsel->pmu->name);
+ return;
+ }
+ if (perf_pmu__format_type(evsel->pmu, name) !=
+ PERF_PMU_FORMAT_VALUE_CONFIG2) {
+ pr_err("'%s' does not have config2 format support\n", evsel->pmu->name);
+ return;
+ }
+
+ evsel_prev = evsel__prev(evsel);
+ if (!evsel_prev) {
+ pr_err("Previous event does not exist.\n");
+ return;
+ }
+
+ prev_attr = &evsel_prev->core.attr;
+
+ if (prev_attr->config2) {
+ pr_err("'%s' has set config2 (acr_mask?) already, configuration not supported\n", evsel_prev->name);
+ return;
+ }
+
+ /*
+ * acr_mask (config2) is calculated using the event's index in
+ * the event group. The first event will use the index of the
+ * second event as its mask (e.g., 0x2), indicating that the
+ * second event counter will be reset and a sample taken for
+ * the first event if its counter overflows. The second event
+ * will use the mask consisting of the first and second bits
+ * (e.g., 0x3), meaning both counters will be reset if the
+ * second event counter overflows.
+ */
+
+ evsel_idx = evsel__group_idx(evsel);
+ ev_mask = 1ull << evsel_idx;
+ pr_ev_mask = 1ull << (evsel_idx - 1);
+
+ prev_attr->config2 = ev_mask;
+ attr->config2 = ev_mask | pr_ev_mask;
+}
+
+static void ibs_l3miss_warn(void)
+{
+ pr_warning(
+"WARNING: Hw internally resets sampling period when L3 Miss Filtering is enabled\n"
+"and tagged operation does not cause L3 Miss. This causes sampling period skew.\n");
+}
+
+void arch__post_evsel_config(struct evsel *evsel, struct perf_event_attr *attr)
+{
+ struct perf_pmu *evsel_pmu, *ibs_fetch_pmu, *ibs_op_pmu;
+ static int warned_once;
+
+ if (warned_once || !x86__is_amd_cpu())
+ return;
+
+ evsel_pmu = evsel__find_pmu(evsel);
+ if (!evsel_pmu)
+ return;
+
+ ibs_fetch_pmu = perf_pmus__find("ibs_fetch");
+ ibs_op_pmu = perf_pmus__find("ibs_op");
+
+ if (ibs_fetch_pmu && ibs_fetch_pmu->type == evsel_pmu->type) {
+ if (attr->config & IBS_FETCH_L3MISSONLY) {
+ ibs_l3miss_warn();
+ warned_once = 1;
+ }
+ } else if (ibs_op_pmu && ibs_op_pmu->type == evsel_pmu->type) {
+ if (attr->config & IBS_OP_L3MISSONLY) {
+ ibs_l3miss_warn();
+ warned_once = 1;
+ }
+ }
+}
+
+static int amd_evsel__open_strerror(struct evsel *evsel, char *msg, size_t size)
+{
+ struct perf_pmu *pmu;
+
+ if (evsel->core.attr.precise_ip == 0)
+ return 0;
+
+ pmu = evsel__find_pmu(evsel);
+ if (!pmu || strncmp(pmu->name, "ibs", 3))
+ return 0;
+
+ /* More verbose IBS errors. */
+ if (evsel->core.attr.exclude_kernel || evsel->core.attr.exclude_user ||
+ evsel->core.attr.exclude_hv || evsel->core.attr.exclude_idle ||
+ evsel->core.attr.exclude_host || evsel->core.attr.exclude_guest) {
+ return scnprintf(msg, size, "AMD IBS doesn't support privilege filtering. Try "
+ "again without the privilege modifiers (like 'k') at the end.");
+ }
+ return 0;
+}
+
+static int intel_evsel__open_strerror(struct evsel *evsel, int err, char *msg, size_t size)
+{
+ struct strbuf sb = STRBUF_INIT;
+ int ret;
+
+ if (err != EINVAL)
+ return 0;
+
+ if (!topdown_sys_has_perf_metrics())
+ return 0;
+
+ if (arch_is_topdown_slots(evsel)) {
+ if (!evsel__is_group_leader(evsel)) {
+ evlist__uniquify_evsel_names(evsel->evlist, &stat_config);
+ evlist__format_evsels(evsel->evlist, &sb, 2048);
+ ret = scnprintf(msg, size, "Topdown slots event can only be group leader "
+ "in '%s'.", sb.buf);
+ strbuf_release(&sb);
+ return ret;
+ }
+ } else if (arch_is_topdown_metrics(evsel)) {
+ struct evsel *pos;
+
+ evlist__for_each_entry(evsel->evlist, pos) {
+ if (pos == evsel || !arch_is_topdown_metrics(pos))
+ continue;
+
+ if (pos->core.attr.config != evsel->core.attr.config)
+ continue;
+
+ evlist__uniquify_evsel_names(evsel->evlist, &stat_config);
+ evlist__format_evsels(evsel->evlist, &sb, 2048);
+ ret = scnprintf(msg, size, "Perf metric event '%s' is duplicated "
+ "in the same group (only one event is allowed) in '%s'.",
+ evsel__name(evsel), sb.buf);
+ strbuf_release(&sb);
+ return ret;
+ }
+ }
+ return 0;
+}
+
+int arch_evsel__open_strerror(struct evsel *evsel, int err, char *msg, size_t size)
+{
+ return x86__is_amd_cpu()
+ ? amd_evsel__open_strerror(evsel, msg, size)
+ : intel_evsel__open_strerror(evsel, err, msg, size);
+}
diff --git a/tools/perf/arch/x86/util/evsel.h b/tools/perf/arch/x86/util/evsel.h
new file mode 100644
index 000000000000..19ad1691374d
--- /dev/null
+++ b/tools/perf/arch/x86/util/evsel.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _EVSEL_H
+#define _EVSEL_H 1
+
+bool evsel__sys_has_perf_metrics(const struct evsel *evsel);
+
+#endif
diff --git a/tools/perf/arch/x86/util/group.c b/tools/perf/arch/x86/util/group.c
deleted file mode 100644
index 37f92aa39a5d..000000000000
--- a/tools/perf/arch/x86/util/group.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <stdio.h>
-#include "api/fs/fs.h"
-#include "util/group.h"
-
-/*
- * Check whether we can use a group for top down.
- * Without a group may get bad results due to multiplexing.
- */
-bool arch_topdown_check_group(bool *warn)
-{
- int n;
-
- if (sysctl__read_int("kernel/nmi_watchdog", &n) < 0)
- return false;
- if (n > 0) {
- *warn = true;
- return false;
- }
- return true;
-}
-
-void arch_topdown_group_warn(void)
-{
- fprintf(stderr,
- "nmi_watchdog enabled with topdown. May give wrong results.\n"
- "Disable with echo 0 > /proc/sys/kernel/nmi_watchdog\n");
-}
diff --git a/tools/perf/arch/x86/util/header.c b/tools/perf/arch/x86/util/header.c
index a74a48db26f5..412977f8aa83 100644
--- a/tools/perf/arch/x86/util/header.c
+++ b/tools/perf/arch/x86/util/header.c
@@ -1,22 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
#include <sys/types.h>
+#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <regex.h>
-#include "../../util/header.h"
+#include "../../../util/debug.h"
+#include "../../../util/header.h"
+#include "cpuid.h"
-static inline void
-cpuid(unsigned int op, unsigned int *a, unsigned int *b, unsigned int *c,
- unsigned int *d)
+void get_cpuid_0(char *vendor, unsigned int *lvl)
{
- __asm__ __volatile__ (".byte 0x53\n\tcpuid\n\t"
- "movl %%ebx, %%esi\n\t.byte 0x5b"
- : "=a" (*a),
- "=S" (*b),
- "=c" (*c),
- "=d" (*d)
- : "a" (op));
+ unsigned int b, c, d;
+
+ cpuid(0, 0, lvl, &b, &c, &d);
+ strncpy(&vendor[0], (char *)(&b), 4);
+ strncpy(&vendor[4], (char *)(&d), 4);
+ strncpy(&vendor[8], (char *)(&c), 4);
+ vendor[12] = '\0';
}
static int
@@ -27,14 +30,10 @@ __get_cpuid(char *buffer, size_t sz, const char *fmt)
int nb;
char vendor[16];
- cpuid(0, &lvl, &b, &c, &d);
- strncpy(&vendor[0], (char *)(&b), 4);
- strncpy(&vendor[4], (char *)(&d), 4);
- strncpy(&vendor[8], (char *)(&c), 4);
- vendor[12] = '\0';
+ get_cpuid_0(vendor, &lvl);
if (lvl >= 1) {
- cpuid(1, &a, &b, &c, &d);
+ cpuid(1, 0, &a, &b, &c, &d);
family = (a >> 8) & 0xf; /* bits 11 - 8 */
model = (a >> 4) & 0xf; /* Bits 7 - 4 */
@@ -55,23 +54,85 @@ __get_cpuid(char *buffer, size_t sz, const char *fmt)
buffer[nb-1] = '\0';
return 0;
}
- return -1;
+ return ENOBUFS;
}
int
-get_cpuid(char *buffer, size_t sz)
+get_cpuid(char *buffer, size_t sz, struct perf_cpu cpu __maybe_unused)
{
return __get_cpuid(buffer, sz, "%s,%u,%u,%u$");
}
-char *
-get_cpuid_str(void)
+char *get_cpuid_str(struct perf_cpu cpu __maybe_unused)
{
char *buf = malloc(128);
- if (__get_cpuid(buf, 128, "%s-%u-%X$") < 0) {
+ if (buf && __get_cpuid(buf, 128, "%s-%u-%X-%X$") < 0) {
free(buf);
return NULL;
}
return buf;
}
+
+/* Full CPUID format for x86 is vendor-family-model-stepping */
+static bool is_full_cpuid(const char *id)
+{
+ const char *tmp = id;
+ int count = 0;
+
+ while ((tmp = strchr(tmp, '-')) != NULL) {
+ count++;
+ tmp++;
+ }
+
+ if (count == 3)
+ return true;
+
+ return false;
+}
+
+int strcmp_cpuid_str(const char *mapcpuid, const char *id)
+{
+ regex_t re;
+ regmatch_t pmatch[1];
+ int match;
+ bool full_mapcpuid = is_full_cpuid(mapcpuid);
+ bool full_cpuid = is_full_cpuid(id);
+
+ /*
+ * Full CPUID format is required to identify a platform.
+ * Error out if the cpuid string is incomplete.
+ */
+ if (full_mapcpuid && !full_cpuid) {
+ pr_info("Invalid CPUID %s. Full CPUID is required, "
+ "vendor-family-model-stepping\n", id);
+ return 1;
+ }
+
+ if (regcomp(&re, mapcpuid, REG_EXTENDED) != 0) {
+ /* Warn unable to generate match particular string. */
+ pr_info("Invalid regular expression %s\n", mapcpuid);
+ return 1;
+ }
+
+ match = !regexec(&re, id, 1, pmatch, 0);
+ regfree(&re);
+ if (match) {
+ size_t match_len = (pmatch[0].rm_eo - pmatch[0].rm_so);
+ size_t cpuid_len;
+
+ /* If the full CPUID format isn't required,
+ * ignoring the stepping.
+ */
+ if (!full_mapcpuid && full_cpuid)
+ cpuid_len = strrchr(id, '-') - id;
+ else
+ cpuid_len = strlen(id);
+
+ /* Verify the entire string matched. */
+ if (match_len == cpuid_len)
+ return 0;
+ }
+
+ return 1;
+}
diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
index 5132775a044f..85c8186300c8 100644
--- a/tools/perf/arch/x86/util/intel-bts.c
+++ b/tools/perf/arch/x86/util/intel-bts.c
@@ -1,43 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* intel-bts.c: Intel Processor Trace support
* Copyright (c) 2013-2015, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
*/
+#include <errno.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
-
-#include "../../util/cpumap.h"
-#include "../../util/evsel.h"
-#include "../../util/evlist.h"
-#include "../../util/session.h"
-#include "../../util/util.h"
-#include "../../util/pmu.h"
-#include "../../util/debug.h"
-#include "../../util/tsc.h"
-#include "../../util/auxtrace.h"
-#include "../../util/intel-bts.h"
+#include <linux/zalloc.h>
+
+#include "../../../util/cpumap.h"
+#include "../../../util/event.h"
+#include "../../../util/evsel.h"
+#include "../../../util/evlist.h"
+#include "../../../util/mmap.h"
+#include "../../../util/session.h"
+#include "../../../util/pmus.h"
+#include "../../../util/debug.h"
+#include "../../../util/record.h"
+#include "../../../util/tsc.h"
+#include "../../../util/auxtrace.h"
+#include "../../../util/intel-bts.h"
+#include <internal/lib.h> // page_size
#define KiB(x) ((x) * 1024)
#define MiB(x) ((x) * 1024 * 1024)
#define KiB_MASK(x) (KiB(x) - 1)
#define MiB_MASK(x) (MiB(x) - 1)
-#define INTEL_BTS_DFLT_SAMPLE_SIZE KiB(4)
-
-#define INTEL_BTS_MAX_SAMPLE_SIZE KiB(60)
-
struct intel_bts_snapshot_ref {
void *ref_buf;
size_t ref_offset;
@@ -47,7 +39,7 @@ struct intel_bts_snapshot_ref {
struct intel_bts_recording {
struct auxtrace_record itr;
struct perf_pmu *intel_bts_pmu;
- struct perf_evlist *evlist;
+ struct evlist *evlist;
bool snapshot_mode;
size_t snapshot_size;
int snapshot_ref_cnt;
@@ -62,14 +54,14 @@ struct branch {
static size_t
intel_bts_info_priv_size(struct auxtrace_record *itr __maybe_unused,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
return INTEL_BTS_AUXTRACE_PRIV_SIZE;
}
static int intel_bts_info_fill(struct auxtrace_record *itr,
struct perf_session *session,
- struct auxtrace_info_event *auxtrace_info,
+ struct perf_record_auxtrace_info *auxtrace_info,
size_t priv_size)
{
struct intel_bts_recording *btsr =
@@ -83,10 +75,10 @@ static int intel_bts_info_fill(struct auxtrace_record *itr,
if (priv_size != INTEL_BTS_AUXTRACE_PRIV_SIZE)
return -EINVAL;
- if (!session->evlist->nr_mmaps)
+ if (!session->evlist->core.nr_mmaps)
return -EINVAL;
- pc = session->evlist->mmap[0].base;
+ pc = session->evlist->mmap[0].core.base;
if (pc) {
err = perf_read_tsc_conversion(pc, &tc);
if (err) {
@@ -111,27 +103,33 @@ static int intel_bts_info_fill(struct auxtrace_record *itr,
}
static int intel_bts_recording_options(struct auxtrace_record *itr,
- struct perf_evlist *evlist,
+ struct evlist *evlist,
struct record_opts *opts)
{
struct intel_bts_recording *btsr =
container_of(itr, struct intel_bts_recording, itr);
struct perf_pmu *intel_bts_pmu = btsr->intel_bts_pmu;
- struct perf_evsel *evsel, *intel_bts_evsel = NULL;
- const struct cpu_map *cpus = evlist->cpus;
- bool privileged = geteuid() == 0 || perf_event_paranoid() < 0;
+ struct evsel *evsel, *intel_bts_evsel = NULL;
+ const struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
+ bool privileged = perf_event_paranoid_check(-1);
+
+ if (opts->auxtrace_sample_mode) {
+ pr_err("Intel BTS does not support AUX area sampling\n");
+ return -EINVAL;
+ }
btsr->evlist = evlist;
btsr->snapshot_mode = opts->auxtrace_snapshot_mode;
evlist__for_each_entry(evlist, evsel) {
- if (evsel->attr.type == intel_bts_pmu->type) {
+ if (evsel->core.attr.type == intel_bts_pmu->type) {
if (intel_bts_evsel) {
pr_err("There may be only one " INTEL_BTS_PMU_NAME " event\n");
return -EINVAL;
}
- evsel->attr.freq = 0;
- evsel->attr.sample_period = 1;
+ evsel->core.attr.freq = 0;
+ evsel->core.attr.sample_period = 1;
+ evsel->needs_auxtrace_mmap = true;
intel_bts_evsel = evsel;
opts->full_auxtrace = true;
}
@@ -145,7 +143,7 @@ static int intel_bts_recording_options(struct auxtrace_record *itr,
if (!opts->full_auxtrace)
return 0;
- if (opts->full_auxtrace && !cpu_map__empty(cpus)) {
+ if (opts->full_auxtrace && !perf_cpu_map__is_any_cpu_or_is_empty(cpus)) {
pr_err(INTEL_BTS_PMU_NAME " does not support per-cpu recording\n");
return -EINVAL;
}
@@ -221,30 +219,30 @@ static int intel_bts_recording_options(struct auxtrace_record *itr,
* To obtain the auxtrace buffer file descriptor, the auxtrace event
* must come first.
*/
- perf_evlist__to_front(evlist, intel_bts_evsel);
+ evlist__to_front(evlist, intel_bts_evsel);
/*
* In the case of per-cpu mmaps, we need the CPU on the
* AUX event.
*/
- if (!cpu_map__empty(cpus))
- perf_evsel__set_sample_bit(intel_bts_evsel, CPU);
+ if (!perf_cpu_map__is_any_cpu_or_is_empty(cpus))
+ evsel__set_sample_bit(intel_bts_evsel, CPU);
}
/* Add dummy event to keep tracking */
if (opts->full_auxtrace) {
- struct perf_evsel *tracking_evsel;
+ struct evsel *tracking_evsel;
int err;
- err = parse_events(evlist, "dummy:u", NULL);
+ err = parse_event(evlist, "dummy:u");
if (err)
return err;
- tracking_evsel = perf_evlist__last(evlist);
+ tracking_evsel = evlist__last(evlist);
- perf_evlist__set_tracking_event(evlist, tracking_evsel);
+ evlist__set_tracking_event(evlist, tracking_evsel);
- tracking_evsel->attr.freq = 0;
- tracking_evsel->attr.sample_period = 1;
+ tracking_evsel->core.attr.freq = 0;
+ tracking_evsel->core.attr.sample_period = 1;
}
return 0;
@@ -325,11 +323,11 @@ static int intel_bts_snapshot_start(struct auxtrace_record *itr)
{
struct intel_bts_recording *btsr =
container_of(itr, struct intel_bts_recording, itr);
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(btsr->evlist, evsel) {
- if (evsel->attr.type == btsr->intel_bts_pmu->type)
- return perf_evsel__disable(evsel);
+ if (evsel->core.attr.type == btsr->intel_bts_pmu->type)
+ return evsel__disable(evsel);
}
return -EINVAL;
}
@@ -338,11 +336,11 @@ static int intel_bts_snapshot_finish(struct auxtrace_record *itr)
{
struct intel_bts_recording *btsr =
container_of(itr, struct intel_bts_recording, itr);
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(btsr->evlist, evsel) {
- if (evsel->attr.type == btsr->intel_bts_pmu->type)
- return perf_evsel__enable(evsel);
+ if (evsel->core.attr.type == btsr->intel_bts_pmu->type)
+ return evsel__enable(evsel);
}
return -EINVAL;
}
@@ -416,23 +414,9 @@ out_err:
return err;
}
-static int intel_bts_read_finish(struct auxtrace_record *itr, int idx)
-{
- struct intel_bts_recording *btsr =
- container_of(itr, struct intel_bts_recording, itr);
- struct perf_evsel *evsel;
-
- evlist__for_each_entry(btsr->evlist, evsel) {
- if (evsel->attr.type == btsr->intel_bts_pmu->type)
- return perf_evlist__enable_event_idx(btsr->evlist,
- evsel, idx);
- }
- return -EINVAL;
-}
-
struct auxtrace_record *intel_bts_recording_init(int *err)
{
- struct perf_pmu *intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME);
+ struct perf_pmu *intel_bts_pmu = perf_pmus__find(INTEL_BTS_PMU_NAME);
struct intel_bts_recording *btsr;
if (!intel_bts_pmu)
@@ -459,7 +443,7 @@ struct auxtrace_record *intel_bts_recording_init(int *err)
btsr->itr.find_snapshot = intel_bts_find_snapshot;
btsr->itr.parse_snapshot_options = intel_bts_parse_snapshot_options;
btsr->itr.reference = intel_bts_reference;
- btsr->itr.read_finish = intel_bts_read_finish;
+ btsr->itr.read_finish = auxtrace_record__read_finish;
btsr->itr.alignment = sizeof(struct branch);
return &btsr->itr;
}
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index 90fa2286edcf..b394ad9cc635 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -1,48 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* intel_pt.c: Intel Processor Trace support
* Copyright (c) 2013-2015, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
*/
+#include <errno.h>
#include <stdbool.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
-#include <cpuid.h>
-
-#include "../../perf.h"
-#include "../../util/session.h"
-#include "../../util/event.h"
-#include "../../util/evlist.h"
-#include "../../util/evsel.h"
-#include "../../util/cpumap.h"
+#include <linux/zalloc.h>
+#include <linux/err.h>
+
+#include "../../../util/session.h"
+#include "../../../util/event.h"
+#include "../../../util/evlist.h"
+#include "../../../util/evsel.h"
+#include "../../../util/evsel_config.h"
+#include "../../../util/config.h"
+#include "../../../util/cpumap.h"
+#include "../../../util/mmap.h"
#include <subcmd/parse-options.h>
-#include "../../util/parse-events.h"
-#include "../../util/pmu.h"
-#include "../../util/debug.h"
-#include "../../util/auxtrace.h"
-#include "../../util/tsc.h"
-#include "../../util/intel-pt.h"
+#include "../../../util/parse-events.h"
+#include "../../../util/pmus.h"
+#include "../../../util/debug.h"
+#include "../../../util/auxtrace.h"
+#include "../../../util/perf_api_probe.h"
+#include "../../../util/record.h"
+#include "../../../util/target.h"
+#include "../../../util/tsc.h"
+#include <internal/lib.h> // page_size
+#include "../../../util/intel-pt.h"
+#include <api/fs/fs.h>
+#include "cpuid.h"
#define KiB(x) ((x) * 1024)
#define MiB(x) ((x) * 1024 * 1024)
#define KiB_MASK(x) (KiB(x) - 1)
#define MiB_MASK(x) (MiB(x) - 1)
-#define INTEL_PT_DEFAULT_SAMPLE_SIZE KiB(4)
-
-#define INTEL_PT_MAX_SAMPLE_SIZE KiB(60)
-
#define INTEL_PT_PSB_PERIOD_NEAR 256
struct intel_pt_snapshot_ref {
@@ -55,7 +52,8 @@ struct intel_pt_recording {
struct auxtrace_record itr;
struct perf_pmu *intel_pt_pmu;
int have_sched_switch;
- struct perf_evlist *evlist;
+ struct evlist *evlist;
+ bool all_switch_events;
bool snapshot_mode;
bool snapshot_init_done;
size_t snapshot_size;
@@ -65,40 +63,35 @@ struct intel_pt_recording {
size_t priv_size;
};
-static int intel_pt_parse_terms_with_default(struct list_head *formats,
+static int intel_pt_parse_terms_with_default(const struct perf_pmu *pmu,
const char *str,
u64 *config)
{
- struct list_head *terms;
+ struct parse_events_terms terms;
struct perf_event_attr attr = { .size = 0, };
int err;
- terms = malloc(sizeof(struct list_head));
- if (!terms)
- return -ENOMEM;
-
- INIT_LIST_HEAD(terms);
-
- err = parse_events_terms(terms, str);
+ parse_events_terms__init(&terms);
+ err = parse_events_terms(&terms, str);
if (err)
goto out_free;
attr.config = *config;
- err = perf_pmu__config_terms(formats, &attr, terms, true, NULL);
+ err = perf_pmu__config_terms(pmu, &attr, &terms, /*zero=*/true, /*apply_hardcoded=*/false,
+ /*err=*/NULL);
if (err)
goto out_free;
*config = attr.config;
out_free:
- parse_events_terms__delete(terms);
+ parse_events_terms__exit(&terms);
return err;
}
-static int intel_pt_parse_terms(struct list_head *formats, const char *str,
- u64 *config)
+static int intel_pt_parse_terms(const struct perf_pmu *pmu, const char *str, u64 *config)
{
*config = 0;
- return intel_pt_parse_terms_with_default(formats, str, config);
+ return intel_pt_parse_terms_with_default(pmu, str, config);
}
static u64 intel_pt_masked_bits(u64 mask, u64 bits)
@@ -121,20 +114,20 @@ static u64 intel_pt_masked_bits(u64 mask, u64 bits)
}
static int intel_pt_read_config(struct perf_pmu *intel_pt_pmu, const char *str,
- struct perf_evlist *evlist, u64 *res)
+ struct evlist *evlist, u64 *res)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
u64 mask;
*res = 0;
- mask = perf_pmu__format_bits(&intel_pt_pmu->format, str);
+ mask = perf_pmu__format_bits(intel_pt_pmu, str);
if (!mask)
return -EINVAL;
evlist__for_each_entry(evlist, evsel) {
- if (evsel->attr.type == intel_pt_pmu->type) {
- *res = intel_pt_masked_bits(mask, evsel->attr.config);
+ if (evsel->core.attr.type == intel_pt_pmu->type) {
+ *res = intel_pt_masked_bits(mask, evsel->core.attr.config);
return 0;
}
}
@@ -143,7 +136,7 @@ static int intel_pt_read_config(struct perf_pmu *intel_pt_pmu, const char *str,
}
static size_t intel_pt_psb_period(struct perf_pmu *intel_pt_pmu,
- struct perf_evlist *evlist)
+ struct evlist *evlist)
{
u64 val;
int err, topa_multiple_entries;
@@ -188,23 +181,27 @@ static int intel_pt_pick_bit(int bits, int target)
return pick;
}
-static u64 intel_pt_default_config(struct perf_pmu *intel_pt_pmu)
+static u64 intel_pt_default_config(const struct perf_pmu *intel_pt_pmu)
{
char buf[256];
int mtc, mtc_periods = 0, mtc_period;
int psb_cyc, psb_periods, psb_period;
int pos = 0;
u64 config;
+ char c;
+ int dirfd;
+
+ dirfd = perf_pmu__event_source_devices_fd();
pos += scnprintf(buf + pos, sizeof(buf) - pos, "tsc");
- if (perf_pmu__scan_file(intel_pt_pmu, "caps/mtc", "%d",
- &mtc) != 1)
+ if (perf_pmu__scan_file_at(intel_pt_pmu, dirfd, "caps/mtc", "%d",
+ &mtc) != 1)
mtc = 1;
if (mtc) {
- if (perf_pmu__scan_file(intel_pt_pmu, "caps/mtc_periods", "%x",
- &mtc_periods) != 1)
+ if (perf_pmu__scan_file_at(intel_pt_pmu, dirfd, "caps/mtc_periods", "%x",
+ &mtc_periods) != 1)
mtc_periods = 0;
if (mtc_periods) {
mtc_period = intel_pt_pick_bit(mtc_periods, 3);
@@ -213,13 +210,13 @@ static u64 intel_pt_default_config(struct perf_pmu *intel_pt_pmu)
}
}
- if (perf_pmu__scan_file(intel_pt_pmu, "caps/psb_cyc", "%d",
- &psb_cyc) != 1)
+ if (perf_pmu__scan_file_at(intel_pt_pmu, dirfd, "caps/psb_cyc", "%d",
+ &psb_cyc) != 1)
psb_cyc = 1;
if (psb_cyc && mtc_periods) {
- if (perf_pmu__scan_file(intel_pt_pmu, "caps/psb_periods", "%x",
- &psb_periods) != 1)
+ if (perf_pmu__scan_file_at(intel_pt_pmu, dirfd, "caps/psb_periods", "%x",
+ &psb_periods) != 1)
psb_periods = 0;
if (psb_periods) {
psb_period = intel_pt_pick_bit(psb_periods, 3);
@@ -228,10 +225,15 @@ static u64 intel_pt_default_config(struct perf_pmu *intel_pt_pmu)
}
}
+ if (perf_pmu__scan_file_at(intel_pt_pmu, dirfd, "format/pt", "%c", &c) == 1 &&
+ perf_pmu__scan_file_at(intel_pt_pmu, dirfd, "format/branch", "%c", &c) == 1)
+ pos += scnprintf(buf + pos, sizeof(buf) - pos, ",pt,branch");
+
pr_debug2("%s default config: %s\n", intel_pt_pmu->name, buf);
- intel_pt_parse_terms(&intel_pt_pmu->format, buf, &config);
+ intel_pt_parse_terms(intel_pt_pmu, buf, &config);
+ close(dirfd);
return config;
}
@@ -258,29 +260,26 @@ static int intel_pt_parse_snapshot_options(struct auxtrace_record *itr,
return 0;
}
-struct perf_event_attr *
-intel_pt_pmu_default_config(struct perf_pmu *intel_pt_pmu)
+void intel_pt_pmu_default_config(const struct perf_pmu *intel_pt_pmu,
+ struct perf_event_attr *attr)
{
- struct perf_event_attr *attr;
-
- attr = zalloc(sizeof(struct perf_event_attr));
- if (!attr)
- return NULL;
+ static u64 config;
+ static bool initialized;
- attr->config = intel_pt_default_config(intel_pt_pmu);
-
- intel_pt_pmu->selectable = true;
-
- return attr;
+ if (!initialized) {
+ config = intel_pt_default_config(intel_pt_pmu);
+ initialized = true;
+ }
+ attr->config = config;
}
-static const char *intel_pt_find_filter(struct perf_evlist *evlist,
+static const char *intel_pt_find_filter(struct evlist *evlist,
struct perf_pmu *intel_pt_pmu)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(evlist, evsel) {
- if (evsel->attr.type == intel_pt_pmu->type)
+ if (evsel->core.attr.type == intel_pt_pmu->type)
return evsel->filter;
}
@@ -295,7 +294,7 @@ static size_t intel_pt_filter_bytes(const char *filter)
}
static size_t
-intel_pt_info_priv_size(struct auxtrace_record *itr, struct perf_evlist *evlist)
+intel_pt_info_priv_size(struct auxtrace_record *itr, struct evlist *evlist)
{
struct intel_pt_recording *ptr =
container_of(itr, struct intel_pt_recording, itr);
@@ -303,6 +302,7 @@ intel_pt_info_priv_size(struct auxtrace_record *itr, struct perf_evlist *evlist)
ptr->priv_size = (INTEL_PT_AUXTRACE_PRIV_MAX * sizeof(u64)) +
intel_pt_filter_bytes(filter);
+ ptr->priv_size += sizeof(u64); /* Cap Event Trace */
return ptr->priv_size;
}
@@ -311,14 +311,14 @@ static void intel_pt_tsc_ctc_ratio(u32 *n, u32 *d)
{
unsigned int eax = 0, ebx = 0, ecx = 0, edx = 0;
- __get_cpuid(0x15, &eax, &ebx, &ecx, &edx);
+ cpuid(0x15, 0, &eax, &ebx, &ecx, &edx);
*n = ebx;
*d = eax;
}
static int intel_pt_info_fill(struct auxtrace_record *itr,
struct perf_session *session,
- struct auxtrace_info_event *auxtrace_info,
+ struct perf_record_auxtrace_info *auxtrace_info,
size_t priv_size)
{
struct intel_pt_recording *ptr =
@@ -332,33 +332,35 @@ static int intel_pt_info_fill(struct auxtrace_record *itr,
unsigned long max_non_turbo_ratio;
size_t filter_str_len;
const char *filter;
- u64 *info;
+ int event_trace;
+ __u64 *info;
int err;
if (priv_size != ptr->priv_size)
return -EINVAL;
- intel_pt_parse_terms(&intel_pt_pmu->format, "tsc", &tsc_bit);
- intel_pt_parse_terms(&intel_pt_pmu->format, "noretcomp",
- &noretcomp_bit);
- intel_pt_parse_terms(&intel_pt_pmu->format, "mtc", &mtc_bit);
- mtc_freq_bits = perf_pmu__format_bits(&intel_pt_pmu->format,
- "mtc_period");
- intel_pt_parse_terms(&intel_pt_pmu->format, "cyc", &cyc_bit);
+ intel_pt_parse_terms(intel_pt_pmu, "tsc", &tsc_bit);
+ intel_pt_parse_terms(intel_pt_pmu, "noretcomp", &noretcomp_bit);
+ intel_pt_parse_terms(intel_pt_pmu, "mtc", &mtc_bit);
+ mtc_freq_bits = perf_pmu__format_bits(intel_pt_pmu, "mtc_period");
+ intel_pt_parse_terms(intel_pt_pmu, "cyc", &cyc_bit);
intel_pt_tsc_ctc_ratio(&tsc_ctc_ratio_n, &tsc_ctc_ratio_d);
if (perf_pmu__scan_file(intel_pt_pmu, "max_nonturbo_ratio",
"%lu", &max_non_turbo_ratio) != 1)
max_non_turbo_ratio = 0;
+ if (perf_pmu__scan_file(intel_pt_pmu, "caps/event_trace",
+ "%d", &event_trace) != 1)
+ event_trace = 0;
filter = intel_pt_find_filter(session->evlist, ptr->intel_pt_pmu);
filter_str_len = filter ? strlen(filter) : 0;
- if (!session->evlist->nr_mmaps)
+ if (!session->evlist->core.nr_mmaps)
return -EINVAL;
- pc = session->evlist->mmap[0].base;
+ pc = session->evlist->mmap[0].core.base;
if (pc) {
err = perf_read_tsc_conversion(pc, &tc);
if (err) {
@@ -371,7 +373,7 @@ static int intel_pt_info_fill(struct auxtrace_record *itr,
ui__warning("Intel Processor Trace: TSC not available\n");
}
- per_cpu_mmaps = !cpu_map__empty(session->evlist->cpus);
+ per_cpu_mmaps = !perf_cpu_map__is_any_cpu_or_is_empty(session->evlist->core.user_requested_cpus);
auxtrace_info->type = PERF_AUXTRACE_INTEL_PT;
auxtrace_info->priv[INTEL_PT_PMU_TYPE] = intel_pt_pmu->type;
@@ -401,36 +403,44 @@ static int intel_pt_info_fill(struct auxtrace_record *itr,
info += len >> 3;
}
+ *info++ = event_trace;
+
return 0;
}
-static int intel_pt_track_switches(struct perf_evlist *evlist)
+#ifdef HAVE_LIBTRACEEVENT
+static int intel_pt_track_switches(struct evlist *evlist)
{
const char *sched_switch = "sched:sched_switch";
- struct perf_evsel *evsel;
+ struct evsel *evsel;
int err;
- if (!perf_evlist__can_select_event(evlist, sched_switch))
+ if (!evlist__can_select_event(evlist, sched_switch))
return -EPERM;
- err = parse_events(evlist, sched_switch, NULL);
- if (err) {
- pr_debug2("%s: failed to parse %s, error %d\n",
+ evsel = evlist__add_sched_switch(evlist, true);
+ if (IS_ERR(evsel)) {
+ err = PTR_ERR(evsel);
+ pr_debug2("%s: failed to create %s, error = %d\n",
__func__, sched_switch, err);
return err;
}
- evsel = perf_evlist__last(evlist);
-
- perf_evsel__set_sample_bit(evsel, CPU);
- perf_evsel__set_sample_bit(evsel, TIME);
-
- evsel->system_wide = true;
- evsel->no_aux_samples = true;
evsel->immediate = true;
return 0;
}
+#endif
+
+static bool intel_pt_exclude_guest(void)
+{
+ int pt_mode;
+
+ if (sysfs__read_int("module/kvm_intel/parameters/pt_mode", &pt_mode))
+ pt_mode = 0;
+
+ return pt_mode == 1;
+}
static void intel_pt_valid_str(char *str, size_t len, u64 valid)
{
@@ -478,7 +488,7 @@ static void intel_pt_valid_str(char *str, size_t len, u64 valid)
}
}
-static int intel_pt_val_config_term(struct perf_pmu *intel_pt_pmu,
+static int intel_pt_val_config_term(struct perf_pmu *intel_pt_pmu, int dirfd,
const char *caps, const char *name,
const char *supported, u64 config)
{
@@ -488,16 +498,16 @@ static int intel_pt_val_config_term(struct perf_pmu *intel_pt_pmu,
u64 bits;
int ok;
- if (perf_pmu__scan_file(intel_pt_pmu, caps, "%llx", &valid) != 1)
+ if (perf_pmu__scan_file_at(intel_pt_pmu, dirfd, caps, "%llx", &valid) != 1)
valid = 0;
if (supported &&
- perf_pmu__scan_file(intel_pt_pmu, supported, "%d", &ok) == 1 && !ok)
+ perf_pmu__scan_file_at(intel_pt_pmu, dirfd, supported, "%d", &ok) == 1 && !ok)
valid = 0;
valid |= 1;
- bits = perf_pmu__format_bits(&intel_pt_pmu->format, name);
+ bits = perf_pmu__format_bits(intel_pt_pmu, name);
config &= bits;
@@ -519,41 +529,97 @@ out_err:
}
static int intel_pt_validate_config(struct perf_pmu *intel_pt_pmu,
- struct perf_evsel *evsel)
+ struct evsel *evsel)
{
- int err;
+ int err, dirfd;
+ char c;
if (!evsel)
return 0;
- err = intel_pt_val_config_term(intel_pt_pmu, "caps/cycle_thresholds",
+ dirfd = perf_pmu__event_source_devices_fd();
+ if (dirfd < 0)
+ return dirfd;
+
+ /*
+ * If supported, force pass-through config term (pt=1) even if user
+ * sets pt=0, which avoids senseless kernel errors.
+ */
+ if (perf_pmu__scan_file_at(intel_pt_pmu, dirfd, "format/pt", "%c", &c) == 1 &&
+ !(evsel->core.attr.config & 1)) {
+ pr_warning("pt=0 doesn't make sense, forcing pt=1\n");
+ evsel->core.attr.config |= 1;
+ }
+
+ err = intel_pt_val_config_term(intel_pt_pmu, dirfd, "caps/cycle_thresholds",
"cyc_thresh", "caps/psb_cyc",
- evsel->attr.config);
+ evsel->core.attr.config);
if (err)
- return err;
+ goto out;
- err = intel_pt_val_config_term(intel_pt_pmu, "caps/mtc_periods",
+ err = intel_pt_val_config_term(intel_pt_pmu, dirfd, "caps/mtc_periods",
"mtc_period", "caps/mtc",
- evsel->attr.config);
+ evsel->core.attr.config);
if (err)
- return err;
+ goto out;
- return intel_pt_val_config_term(intel_pt_pmu, "caps/psb_periods",
+ err = intel_pt_val_config_term(intel_pt_pmu, dirfd, "caps/psb_periods",
"psb_period", "caps/psb_cyc",
- evsel->attr.config);
+ evsel->core.attr.config);
+
+out:
+ close(dirfd);
+ return err;
+}
+
+static void intel_pt_min_max_sample_sz(struct evlist *evlist,
+ size_t *min_sz, size_t *max_sz)
+{
+ struct evsel *evsel;
+
+ evlist__for_each_entry(evlist, evsel) {
+ size_t sz = evsel->core.attr.aux_sample_size;
+
+ if (!sz)
+ continue;
+ if (min_sz && (sz < *min_sz || !*min_sz))
+ *min_sz = sz;
+ if (max_sz && sz > *max_sz)
+ *max_sz = sz;
+ }
+}
+
+/*
+ * Currently, there is not enough information to disambiguate different PEBS
+ * events, so only allow one.
+ */
+static bool intel_pt_too_many_aux_output(struct evlist *evlist)
+{
+ struct evsel *evsel;
+ int aux_output_cnt = 0;
+
+ evlist__for_each_entry(evlist, evsel)
+ aux_output_cnt += !!evsel->core.attr.aux_output;
+
+ if (aux_output_cnt > 1) {
+ pr_err(INTEL_PT_PMU_NAME " supports at most one event with aux-output\n");
+ return true;
+ }
+
+ return false;
}
static int intel_pt_recording_options(struct auxtrace_record *itr,
- struct perf_evlist *evlist,
+ struct evlist *evlist,
struct record_opts *opts)
{
struct intel_pt_recording *ptr =
container_of(itr, struct intel_pt_recording, itr);
struct perf_pmu *intel_pt_pmu = ptr->intel_pt_pmu;
bool have_timing_info, need_immediate = false;
- struct perf_evsel *evsel, *intel_pt_evsel = NULL;
- const struct cpu_map *cpus = evlist->cpus;
- bool privileged = geteuid() == 0 || perf_event_paranoid() < 0;
+ struct evsel *evsel, *intel_pt_evsel = NULL;
+ const struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
+ bool privileged = perf_event_paranoid_check(-1);
u64 tsc_bit;
int err;
@@ -561,13 +627,16 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
ptr->snapshot_mode = opts->auxtrace_snapshot_mode;
evlist__for_each_entry(evlist, evsel) {
- if (evsel->attr.type == intel_pt_pmu->type) {
+ if (evsel->core.attr.type == intel_pt_pmu->type) {
if (intel_pt_evsel) {
pr_err("There may be only one " INTEL_PT_PMU_NAME " event\n");
return -EINVAL;
}
- evsel->attr.freq = 0;
- evsel->attr.sample_period = 1;
+ evsel->core.attr.freq = 0;
+ evsel->core.attr.sample_period = 1;
+ evsel->core.attr.exclude_guest = intel_pt_exclude_guest();
+ evsel->no_aux_samples = true;
+ evsel->needs_auxtrace_mmap = true;
intel_pt_evsel = evsel;
opts->full_auxtrace = true;
}
@@ -578,14 +647,26 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
return -EINVAL;
}
+ if (opts->auxtrace_snapshot_mode && opts->auxtrace_sample_mode) {
+ pr_err("Snapshot mode (" INTEL_PT_PMU_NAME " PMU) and sample trace cannot be used together\n");
+ return -EINVAL;
+ }
+
if (opts->use_clockid) {
pr_err("Cannot use clockid (-k option) with " INTEL_PT_PMU_NAME "\n");
return -EINVAL;
}
+ if (intel_pt_too_many_aux_output(evlist))
+ return -EINVAL;
+
if (!opts->full_auxtrace)
return 0;
+ if (opts->auxtrace_sample_mode)
+ evsel__set_config_if_unset(intel_pt_pmu, intel_pt_evsel,
+ "psb_period", 0);
+
err = intel_pt_validate_config(intel_pt_pmu, intel_pt_evsel);
if (err)
return err;
@@ -635,6 +716,34 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
opts->auxtrace_snapshot_size, psb_period);
}
+ /* Set default sizes for sample mode */
+ if (opts->auxtrace_sample_mode) {
+ size_t psb_period = intel_pt_psb_period(intel_pt_pmu, evlist);
+ size_t min_sz = 0, max_sz = 0;
+
+ intel_pt_min_max_sample_sz(evlist, &min_sz, &max_sz);
+ if (!opts->auxtrace_mmap_pages && !privileged &&
+ opts->mmap_pages == UINT_MAX)
+ opts->mmap_pages = KiB(256) / page_size;
+ if (!opts->auxtrace_mmap_pages) {
+ size_t sz = round_up(max_sz, page_size) / page_size;
+
+ opts->auxtrace_mmap_pages = roundup_pow_of_two(sz);
+ }
+ if (max_sz > opts->auxtrace_mmap_pages * (size_t)page_size) {
+ pr_err("Sample size %zu must not be greater than AUX area tracing mmap size %zu\n",
+ max_sz,
+ opts->auxtrace_mmap_pages * (size_t)page_size);
+ return -EINVAL;
+ }
+ pr_debug2("Intel PT min. sample size: %zu max. sample size: %zu\n",
+ min_sz, max_sz);
+ if (psb_period &&
+ min_sz <= psb_period + INTEL_PT_PSB_PERIOD_NEAR)
+ ui__warning("Intel PT sample size (%zu) may be too small for PSB period (%zu)\n",
+ min_sz, psb_period);
+ }
+
/* Set default sizes for full trace mode */
if (opts->full_auxtrace && !opts->auxtrace_mmap_pages) {
if (privileged) {
@@ -651,7 +760,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
size_t sz = opts->auxtrace_mmap_pages * (size_t)page_size;
size_t min_sz;
- if (opts->auxtrace_snapshot_mode)
+ if (opts->auxtrace_snapshot_mode || opts->auxtrace_sample_mode)
min_sz = KiB(4);
else
min_sz = KiB(8);
@@ -663,9 +772,16 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
}
}
- intel_pt_parse_terms(&intel_pt_pmu->format, "tsc", &tsc_bit);
+ if (!opts->auxtrace_snapshot_mode && !opts->auxtrace_sample_mode) {
+ size_t aw = opts->auxtrace_mmap_pages * (size_t)page_size / 4;
+ u32 aux_watermark = aw > UINT_MAX ? UINT_MAX : aw;
+
+ intel_pt_evsel->core.attr.aux_watermark = aux_watermark;
+ }
+
+ intel_pt_parse_terms(intel_pt_pmu, "tsc", &tsc_bit);
- if (opts->full_auxtrace && (intel_pt_evsel->attr.config & tsc_bit))
+ if (opts->full_auxtrace && (intel_pt_evsel->core.attr.config & tsc_bit))
have_timing_info = true;
else
have_timing_info = false;
@@ -674,31 +790,26 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
* Per-cpu recording needs sched_switch events to distinguish different
* threads.
*/
- if (have_timing_info && !cpu_map__empty(cpus)) {
+ if (have_timing_info && !perf_cpu_map__is_any_cpu_or_is_empty(cpus) &&
+ !record_opts__no_switch_events(opts)) {
if (perf_can_record_switch_events()) {
bool cpu_wide = !target__none(&opts->target) &&
!target__has_task(&opts->target);
- if (!cpu_wide && perf_can_record_cpu_wide()) {
- struct perf_evsel *switch_evsel;
+ if (ptr->all_switch_events && !cpu_wide && perf_can_record_cpu_wide()) {
+ struct evsel *switch_evsel;
- err = parse_events(evlist, "dummy:u", NULL);
- if (err)
- return err;
+ switch_evsel = evlist__add_dummy_on_all_cpus(evlist);
+ if (!switch_evsel)
+ return -ENOMEM;
- switch_evsel = perf_evlist__last(evlist);
-
- switch_evsel->attr.freq = 0;
- switch_evsel->attr.sample_period = 1;
- switch_evsel->attr.context_switch = 1;
-
- switch_evsel->system_wide = true;
- switch_evsel->no_aux_samples = true;
+ switch_evsel->core.attr.context_switch = 1;
switch_evsel->immediate = true;
- perf_evsel__set_sample_bit(switch_evsel, TID);
- perf_evsel__set_sample_bit(switch_evsel, TIME);
- perf_evsel__set_sample_bit(switch_evsel, CPU);
+ evsel__set_sample_bit(switch_evsel, TID);
+ evsel__set_sample_bit(switch_evsel, TIME);
+ evsel__set_sample_bit(switch_evsel, CPU);
+ evsel__reset_sample_bit(switch_evsel, BRANCH_STACK);
opts->record_switch_events = false;
ptr->have_sched_switch = 3;
@@ -711,6 +822,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
ptr->have_sched_switch = 2;
}
} else {
+#ifdef HAVE_LIBTRACEEVENT
err = intel_pt_track_switches(evlist);
if (err == -EPERM)
pr_debug2("Unable to select sched:sched_switch\n");
@@ -718,55 +830,65 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
return err;
else
ptr->have_sched_switch = 1;
+#endif
}
}
+ if (have_timing_info && !intel_pt_evsel->core.attr.exclude_kernel &&
+ perf_can_record_text_poke_events() && perf_can_record_cpu_wide())
+ opts->text_poke = true;
+
if (intel_pt_evsel) {
/*
* To obtain the auxtrace buffer file descriptor, the auxtrace
* event must come first.
*/
- perf_evlist__to_front(evlist, intel_pt_evsel);
+ evlist__to_front(evlist, intel_pt_evsel);
/*
* In the case of per-cpu mmaps, we need the CPU on the
* AUX event.
*/
- if (!cpu_map__empty(cpus))
- perf_evsel__set_sample_bit(intel_pt_evsel, CPU);
+ if (!perf_cpu_map__is_any_cpu_or_is_empty(cpus))
+ evsel__set_sample_bit(intel_pt_evsel, CPU);
}
/* Add dummy event to keep tracking */
if (opts->full_auxtrace) {
- struct perf_evsel *tracking_evsel;
+ bool need_system_wide_tracking;
+ struct evsel *tracking_evsel;
- err = parse_events(evlist, "dummy:u", NULL);
- if (err)
- return err;
-
- tracking_evsel = perf_evlist__last(evlist);
+ /*
+ * User space tasks can migrate between CPUs, so when tracing
+ * selected CPUs, sideband for all CPUs is still needed.
+ */
+ need_system_wide_tracking = opts->target.cpu_list &&
+ !intel_pt_evsel->core.attr.exclude_user;
- perf_evlist__set_tracking_event(evlist, tracking_evsel);
+ tracking_evsel = evlist__add_aux_dummy(evlist, need_system_wide_tracking);
+ if (!tracking_evsel)
+ return -ENOMEM;
- tracking_evsel->attr.freq = 0;
- tracking_evsel->attr.sample_period = 1;
+ evlist__set_tracking_event(evlist, tracking_evsel);
if (need_immediate)
tracking_evsel->immediate = true;
/* In per-cpu case, always need the time of mmap events etc */
- if (!cpu_map__empty(cpus)) {
- perf_evsel__set_sample_bit(tracking_evsel, TIME);
+ if (!perf_cpu_map__is_any_cpu_or_is_empty(cpus)) {
+ evsel__set_sample_bit(tracking_evsel, TIME);
/* And the CPU for switch events */
- perf_evsel__set_sample_bit(tracking_evsel, CPU);
+ evsel__set_sample_bit(tracking_evsel, CPU);
}
+ evsel__reset_sample_bit(tracking_evsel, BRANCH_STACK);
}
/*
* Warn the user when we do not have enough information to decode i.e.
* per-cpu with no sched_switch (except workload-only).
*/
- if (!ptr->have_sched_switch && !cpu_map__empty(cpus) &&
- !target__none(&opts->target))
+ if (!ptr->have_sched_switch && !perf_cpu_map__is_any_cpu_or_is_empty(cpus) &&
+ !target__none(&opts->target) &&
+ !intel_pt_evsel->core.attr.exclude_user)
ui__warning("Intel Processor Trace decoding will not be possible except for kernel tracing!\n");
return 0;
@@ -776,11 +898,11 @@ static int intel_pt_snapshot_start(struct auxtrace_record *itr)
{
struct intel_pt_recording *ptr =
container_of(itr, struct intel_pt_recording, itr);
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(ptr->evlist, evsel) {
- if (evsel->attr.type == ptr->intel_pt_pmu->type)
- return perf_evsel__disable(evsel);
+ if (evsel->core.attr.type == ptr->intel_pt_pmu->type)
+ return evsel__disable(evsel);
}
return -EINVAL;
}
@@ -789,11 +911,11 @@ static int intel_pt_snapshot_finish(struct auxtrace_record *itr)
{
struct intel_pt_recording *ptr =
container_of(itr, struct intel_pt_recording, itr);
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(ptr->evlist, evsel) {
- if (evsel->attr.type == ptr->intel_pt_pmu->type)
- return perf_evsel__enable(evsel);
+ if (evsel->core.attr.type == ptr->intel_pt_pmu->type)
+ return evsel__enable(evsel);
}
return -EINVAL;
}
@@ -1058,23 +1180,19 @@ static u64 intel_pt_reference(struct auxtrace_record *itr __maybe_unused)
return rdtsc();
}
-static int intel_pt_read_finish(struct auxtrace_record *itr, int idx)
+static int intel_pt_perf_config(const char *var, const char *value, void *data)
{
- struct intel_pt_recording *ptr =
- container_of(itr, struct intel_pt_recording, itr);
- struct perf_evsel *evsel;
+ struct intel_pt_recording *ptr = data;
- evlist__for_each_entry(ptr->evlist, evsel) {
- if (evsel->attr.type == ptr->intel_pt_pmu->type)
- return perf_evlist__enable_event_idx(ptr->evlist, evsel,
- idx);
- }
- return -EINVAL;
+ if (!strcmp(var, "intel-pt.all-switch-events"))
+ ptr->all_switch_events = perf_config_bool(var, value);
+
+ return 0;
}
struct auxtrace_record *intel_pt_recording_init(int *err)
{
- struct perf_pmu *intel_pt_pmu = perf_pmu__find(INTEL_PT_PMU_NAME);
+ struct perf_pmu *intel_pt_pmu = perf_pmus__find(INTEL_PT_PMU_NAME);
struct intel_pt_recording *ptr;
if (!intel_pt_pmu)
@@ -1091,6 +1209,8 @@ struct auxtrace_record *intel_pt_recording_init(int *err)
return NULL;
}
+ perf_config(intel_pt_perf_config, ptr);
+
ptr->intel_pt_pmu = intel_pt_pmu;
ptr->itr.recording_options = intel_pt_recording_options;
ptr->itr.info_priv_size = intel_pt_info_priv_size;
@@ -1101,6 +1221,11 @@ struct auxtrace_record *intel_pt_recording_init(int *err)
ptr->itr.find_snapshot = intel_pt_find_snapshot;
ptr->itr.parse_snapshot_options = intel_pt_parse_snapshot_options;
ptr->itr.reference = intel_pt_reference;
- ptr->itr.read_finish = intel_pt_read_finish;
+ ptr->itr.read_finish = auxtrace_record__read_finish;
+ /*
+ * Decoding starts at a PSB packet. Minimum PSB period is 2K so 4K
+ * should give at least 1 PSB per sample.
+ */
+ ptr->itr.default_aux_sample_size = 4096;
return &ptr->itr;
}
diff --git a/tools/perf/arch/x86/util/iostat.c b/tools/perf/arch/x86/util/iostat.c
new file mode 100644
index 000000000000..7442a2cd87ed
--- /dev/null
+++ b/tools/perf/arch/x86/util/iostat.c
@@ -0,0 +1,475 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * perf iostat
+ *
+ * Copyright (C) 2020, Intel Corporation
+ *
+ * Authors: Alexander Antonov <alexander.antonov@linux.intel.com>
+ */
+
+#include <api/fs/fs.h>
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/zalloc.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <regex.h>
+#include "util/cpumap.h"
+#include "util/debug.h"
+#include "util/iostat.h"
+#include "util/counts.h"
+#include "path.h"
+
+#ifndef MAX_PATH
+#define MAX_PATH 1024
+#endif
+
+#define UNCORE_IIO_PMU_PATH "bus/event_source/devices/uncore_iio_%d"
+#define SYSFS_UNCORE_PMU_PATH "%s/"UNCORE_IIO_PMU_PATH
+#define PLATFORM_MAPPING_PATH UNCORE_IIO_PMU_PATH"/die%d"
+
+/*
+ * Each metric requiries one IIO event which increments at every 4B transfer
+ * in corresponding direction. The formulas to compute metrics are generic:
+ * #EventCount * 4B / (1024 * 1024)
+ */
+static const char * const iostat_metrics[] = {
+ "Inbound Read(MB)",
+ "Inbound Write(MB)",
+ "Outbound Read(MB)",
+ "Outbound Write(MB)",
+};
+
+static inline int iostat_metrics_count(void)
+{
+ return sizeof(iostat_metrics) / sizeof(char *);
+}
+
+static const char *iostat_metric_by_idx(int idx)
+{
+ return *(iostat_metrics + idx % iostat_metrics_count());
+}
+
+struct iio_root_port {
+ u32 domain;
+ u8 bus;
+ u8 die;
+ u8 pmu_idx;
+ int idx;
+};
+
+struct iio_root_ports_list {
+ struct iio_root_port **rps;
+ int nr_entries;
+};
+
+static struct iio_root_ports_list *root_ports;
+
+static void iio_root_port_show(FILE *output,
+ const struct iio_root_port * const rp)
+{
+ if (output && rp)
+ fprintf(output, "S%d-uncore_iio_%d<%04x:%02x>\n",
+ rp->die, rp->pmu_idx, rp->domain, rp->bus);
+}
+
+static struct iio_root_port *iio_root_port_new(u32 domain, u8 bus,
+ u8 die, u8 pmu_idx)
+{
+ struct iio_root_port *p = calloc(1, sizeof(*p));
+
+ if (p) {
+ p->domain = domain;
+ p->bus = bus;
+ p->die = die;
+ p->pmu_idx = pmu_idx;
+ }
+ return p;
+}
+
+static void iio_root_ports_list_free(struct iio_root_ports_list *list)
+{
+ int idx;
+
+ if (list) {
+ for (idx = 0; idx < list->nr_entries; idx++)
+ zfree(&list->rps[idx]);
+ zfree(&list->rps);
+ free(list);
+ }
+}
+
+static struct iio_root_port *iio_root_port_find_by_notation(
+ const struct iio_root_ports_list * const list, u32 domain, u8 bus)
+{
+ int idx;
+ struct iio_root_port *rp;
+
+ if (list) {
+ for (idx = 0; idx < list->nr_entries; idx++) {
+ rp = list->rps[idx];
+ if (rp && rp->domain == domain && rp->bus == bus)
+ return rp;
+ }
+ }
+ return NULL;
+}
+
+static int iio_root_ports_list_insert(struct iio_root_ports_list *list,
+ struct iio_root_port * const rp)
+{
+ struct iio_root_port **tmp_buf;
+
+ if (list && rp) {
+ rp->idx = list->nr_entries++;
+ tmp_buf = realloc(list->rps,
+ list->nr_entries * sizeof(*list->rps));
+ if (!tmp_buf) {
+ pr_err("Failed to realloc memory\n");
+ return -ENOMEM;
+ }
+ tmp_buf[rp->idx] = rp;
+ list->rps = tmp_buf;
+ }
+ return 0;
+}
+
+static int iio_mapping(u8 pmu_idx, struct iio_root_ports_list * const list)
+{
+ char *buf;
+ char path[MAX_PATH];
+ u32 domain;
+ u8 bus;
+ struct iio_root_port *rp;
+ size_t size;
+ int ret;
+
+ for (int die = 0; die < cpu__max_node(); die++) {
+ scnprintf(path, MAX_PATH, PLATFORM_MAPPING_PATH, pmu_idx, die);
+ if (sysfs__read_str(path, &buf, &size) < 0) {
+ if (pmu_idx)
+ goto out;
+ pr_err("Mode iostat is not supported\n");
+ return -1;
+ }
+ ret = sscanf(buf, "%04x:%02hhx", &domain, &bus);
+ free(buf);
+ if (ret != 2) {
+ pr_err("Invalid mapping data: iio_%d; die%d\n",
+ pmu_idx, die);
+ return -1;
+ }
+ rp = iio_root_port_new(domain, bus, die, pmu_idx);
+ if (!rp || iio_root_ports_list_insert(list, rp)) {
+ free(rp);
+ return -ENOMEM;
+ }
+ }
+out:
+ return 0;
+}
+
+static u8 iio_pmu_count(void)
+{
+ u8 pmu_idx = 0;
+ char path[MAX_PATH];
+ const char *sysfs = sysfs__mountpoint();
+
+ if (sysfs) {
+ for (;; pmu_idx++) {
+ snprintf(path, sizeof(path), SYSFS_UNCORE_PMU_PATH,
+ sysfs, pmu_idx);
+ if (access(path, F_OK) != 0)
+ break;
+ }
+ }
+ return pmu_idx;
+}
+
+static int iio_root_ports_scan(struct iio_root_ports_list **list)
+{
+ int ret = -ENOMEM;
+ struct iio_root_ports_list *tmp_list;
+ u8 pmu_count = iio_pmu_count();
+
+ if (!pmu_count) {
+ pr_err("Unsupported uncore pmu configuration\n");
+ return -1;
+ }
+
+ tmp_list = calloc(1, sizeof(*tmp_list));
+ if (!tmp_list)
+ goto err;
+
+ for (u8 pmu_idx = 0; pmu_idx < pmu_count; pmu_idx++) {
+ ret = iio_mapping(pmu_idx, tmp_list);
+ if (ret)
+ break;
+ }
+err:
+ if (!ret)
+ *list = tmp_list;
+ else
+ iio_root_ports_list_free(tmp_list);
+
+ return ret;
+}
+
+static int iio_root_port_parse_str(u32 *domain, u8 *bus, char *str)
+{
+ int ret;
+ regex_t regex;
+ /*
+ * Expected format domain:bus:
+ * Valid domain range [0:ffff]
+ * Valid bus range [0:ff]
+ * Example: 0000:af, 0:3d, 01:7
+ */
+ regcomp(&regex, "^([a-f0-9A-F]{1,}):([a-f0-9A-F]{1,2})", REG_EXTENDED);
+ ret = regexec(&regex, str, 0, NULL, 0);
+ if (ret || sscanf(str, "%08x:%02hhx", domain, bus) != 2)
+ pr_warning("Unrecognized root port format: %s\n"
+ "Please use the following format:\n"
+ "\t [domain]:[bus]\n"
+ "\t for example: 0000:3d\n", str);
+
+ regfree(&regex);
+ return ret;
+}
+
+static int iio_root_ports_list_filter(struct iio_root_ports_list **list,
+ const char *filter)
+{
+ char *tok, *tmp, *filter_copy = NULL;
+ struct iio_root_port *rp;
+ u32 domain;
+ u8 bus;
+ int ret = -ENOMEM;
+ struct iio_root_ports_list *tmp_list = calloc(1, sizeof(*tmp_list));
+
+ if (!tmp_list)
+ goto err;
+
+ filter_copy = strdup(filter);
+ if (!filter_copy)
+ goto err;
+
+ for (tok = strtok_r(filter_copy, ",", &tmp); tok;
+ tok = strtok_r(NULL, ",", &tmp)) {
+ if (!iio_root_port_parse_str(&domain, &bus, tok)) {
+ rp = iio_root_port_find_by_notation(*list, domain, bus);
+ if (rp) {
+ (*list)->rps[rp->idx] = NULL;
+ ret = iio_root_ports_list_insert(tmp_list, rp);
+ if (ret) {
+ free(rp);
+ goto err;
+ }
+ } else if (!iio_root_port_find_by_notation(tmp_list,
+ domain, bus))
+ pr_warning("Root port %04x:%02x were not found\n",
+ domain, bus);
+ }
+ }
+
+ if (tmp_list->nr_entries == 0) {
+ pr_err("Requested root ports were not found\n");
+ ret = -EINVAL;
+ }
+err:
+ iio_root_ports_list_free(*list);
+ if (ret)
+ iio_root_ports_list_free(tmp_list);
+ else
+ *list = tmp_list;
+
+ free(filter_copy);
+ return ret;
+}
+
+static int iostat_event_group(struct evlist *evl,
+ struct iio_root_ports_list *list)
+{
+ int ret;
+ int idx;
+ const char *iostat_cmd_template =
+ "{uncore_iio_%x/event=0x83,umask=0x04,ch_mask=0xF,fc_mask=0x07/,\
+ uncore_iio_%x/event=0x83,umask=0x01,ch_mask=0xF,fc_mask=0x07/,\
+ uncore_iio_%x/event=0xc0,umask=0x04,ch_mask=0xF,fc_mask=0x07/,\
+ uncore_iio_%x/event=0xc0,umask=0x01,ch_mask=0xF,fc_mask=0x07/}";
+ const int len_template = strlen(iostat_cmd_template) + 1;
+ struct evsel *evsel = NULL;
+ int metrics_count = iostat_metrics_count();
+ char *iostat_cmd = calloc(len_template, 1);
+
+ if (!iostat_cmd)
+ return -ENOMEM;
+
+ for (idx = 0; idx < list->nr_entries; idx++) {
+ sprintf(iostat_cmd, iostat_cmd_template,
+ list->rps[idx]->pmu_idx, list->rps[idx]->pmu_idx,
+ list->rps[idx]->pmu_idx, list->rps[idx]->pmu_idx);
+ ret = parse_event(evl, iostat_cmd);
+ if (ret)
+ goto err;
+ }
+
+ evlist__for_each_entry(evl, evsel) {
+ evsel->priv = list->rps[evsel->core.idx / metrics_count];
+ }
+ list->nr_entries = 0;
+err:
+ iio_root_ports_list_free(list);
+ free(iostat_cmd);
+ return ret;
+}
+
+int iostat_prepare(struct evlist *evlist, struct perf_stat_config *config)
+{
+ if (evlist->core.nr_entries > 0) {
+ pr_warning("The -e and -M options are not supported."
+ "All chosen events/metrics will be dropped\n");
+ evlist__delete(evlist);
+ evlist = evlist__new();
+ if (!evlist)
+ return -ENOMEM;
+ }
+
+ config->metric_only = true;
+ config->aggr_mode = AGGR_GLOBAL;
+
+ return iostat_event_group(evlist, root_ports);
+}
+
+int iostat_parse(const struct option *opt, const char *str,
+ int unset __maybe_unused)
+{
+ int ret;
+ struct perf_stat_config *config = (struct perf_stat_config *)opt->data;
+
+ ret = iio_root_ports_scan(&root_ports);
+ if (!ret) {
+ config->iostat_run = true;
+ if (!str)
+ iostat_mode = IOSTAT_RUN;
+ else if (!strcmp(str, "list"))
+ iostat_mode = IOSTAT_LIST;
+ else {
+ iostat_mode = IOSTAT_RUN;
+ ret = iio_root_ports_list_filter(&root_ports, str);
+ }
+ }
+ return ret;
+}
+
+void iostat_list(struct evlist *evlist, struct perf_stat_config *config)
+{
+ struct evsel *evsel;
+ struct iio_root_port *rp = NULL;
+
+ evlist__for_each_entry(evlist, evsel) {
+ if (rp != evsel->priv) {
+ rp = evsel->priv;
+ iio_root_port_show(config->output, rp);
+ }
+ }
+}
+
+void iostat_release(struct evlist *evlist)
+{
+ struct evsel *evsel;
+ struct iio_root_port *rp = NULL;
+
+ evlist__for_each_entry(evlist, evsel) {
+ if (rp != evsel->priv) {
+ rp = evsel->priv;
+ zfree(&evsel->priv);
+ }
+ }
+}
+
+void iostat_prefix(struct evlist *evlist,
+ struct perf_stat_config *config,
+ char *prefix, struct timespec *ts)
+{
+ struct iio_root_port *rp = evlist->selected->priv;
+
+ if (rp) {
+ /*
+ * TODO: This is the incorrect format in JSON mode.
+ * See prepare_timestamp()
+ */
+ if (ts)
+ sprintf(prefix, "%6lu.%09lu%s%04x:%02x%s",
+ ts->tv_sec, ts->tv_nsec,
+ config->csv_sep, rp->domain, rp->bus,
+ config->csv_sep);
+ else
+ sprintf(prefix, "%04x:%02x%s", rp->domain, rp->bus,
+ config->csv_sep);
+ }
+}
+
+void iostat_print_header_prefix(struct perf_stat_config *config)
+{
+ if (config->csv_output)
+ fputs("port,", config->output);
+ else if (config->interval)
+ fprintf(config->output, "# time port ");
+ else
+ fprintf(config->output, " port ");
+}
+
+void iostat_print_metric(struct perf_stat_config *config, struct evsel *evsel,
+ struct perf_stat_output_ctx *out)
+{
+ double iostat_value = 0;
+ u64 prev_count_val = 0;
+ const char *iostat_metric = iostat_metric_by_idx(evsel->core.idx);
+ u8 die = ((struct iio_root_port *)evsel->priv)->die;
+ struct perf_counts_values *count = perf_counts(evsel->counts, die, 0);
+
+ if (count && count->run && count->ena) {
+ if (evsel->prev_raw_counts && !out->force_header) {
+ struct perf_counts_values *prev_count =
+ perf_counts(evsel->prev_raw_counts, die, 0);
+
+ prev_count_val = prev_count->val;
+ prev_count->val = count->val;
+ }
+ iostat_value = (count->val - prev_count_val) /
+ ((double) count->run / count->ena);
+ }
+ out->print_metric(config, out->ctx, METRIC_THRESHOLD_UNKNOWN, "%8.0f", iostat_metric,
+ iostat_value / (256 * 1024));
+}
+
+void iostat_print_counters(struct evlist *evlist,
+ struct perf_stat_config *config, struct timespec *ts,
+ char *prefix, iostat_print_counter_t print_cnt_cb, void *arg)
+{
+ void *perf_device = NULL;
+ struct evsel *counter = evlist__first(evlist);
+
+ evlist__set_selected(evlist, counter);
+ iostat_prefix(evlist, config, prefix, ts);
+ fprintf(config->output, "%s", prefix);
+ evlist__for_each_entry(evlist, counter) {
+ perf_device = evlist->selected->priv;
+ if (perf_device && perf_device != counter->priv) {
+ evlist__set_selected(evlist, counter);
+ iostat_prefix(evlist, config, prefix, ts);
+ fprintf(config->output, "\n%s", prefix);
+ }
+ print_cnt_cb(config, counter, arg);
+ }
+ fputc('\n', config->output);
+}
diff --git a/tools/perf/arch/x86/util/kvm-stat.c b/tools/perf/arch/x86/util/kvm-stat.c
index b63d4be655a2..bff36f9345ea 100644
--- a/tools/perf/arch/x86/util/kvm-stat.c
+++ b/tools/perf/arch/x86/util/kvm-stat.c
@@ -1,7 +1,13 @@
-#include "../../util/kvm-stat.h"
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <string.h>
+#include "../../../util/kvm-stat.h"
+#include "../../../util/evsel.h"
+#include "../../../util/env.h"
#include <asm/svm.h>
#include <asm/vmx.h>
#include <asm/kvm.h>
+#include <subcmd/parse-options.h>
define_exit_reasons_table(vmx_exit_reasons, VMX_EXIT_REASONS);
define_exit_reasons_table(svm_exit_reasons, SVM_EXIT_REASONS);
@@ -14,7 +20,6 @@ static struct kvm_events_ops exit_events = {
};
const char *vcpu_id_str = "vcpu_id";
-const int decode_str_len = 20;
const char *kvm_exit_reason = "exit_reason";
const char *kvm_entry_trace = "kvm:kvm_entry";
const char *kvm_exit_trace = "kvm:kvm_exit";
@@ -24,18 +29,18 @@ const char *kvm_exit_trace = "kvm:kvm_exit";
* the time of MMIO write: kvm_mmio(KVM_TRACE_MMIO_WRITE...) -> kvm_entry
* the time of MMIO read: kvm_exit -> kvm_mmio(KVM_TRACE_MMIO_READ...).
*/
-static void mmio_event_get_key(struct perf_evsel *evsel, struct perf_sample *sample,
+static void mmio_event_get_key(struct evsel *evsel, struct perf_sample *sample,
struct event_key *key)
{
- key->key = perf_evsel__intval(evsel, sample, "gpa");
- key->info = perf_evsel__intval(evsel, sample, "type");
+ key->key = evsel__intval(evsel, sample, "gpa");
+ key->info = evsel__intval(evsel, sample, "type");
}
#define KVM_TRACE_MMIO_READ_UNSATISFIED 0
#define KVM_TRACE_MMIO_READ 1
#define KVM_TRACE_MMIO_WRITE 2
-static bool mmio_event_begin(struct perf_evsel *evsel,
+static bool mmio_event_begin(struct evsel *evsel,
struct perf_sample *sample, struct event_key *key)
{
/* MMIO read begin event in kernel. */
@@ -43,8 +48,8 @@ static bool mmio_event_begin(struct perf_evsel *evsel,
return true;
/* MMIO write begin event in kernel. */
- if (!strcmp(evsel->name, "kvm:kvm_mmio") &&
- perf_evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_WRITE) {
+ if (evsel__name_is(evsel, "kvm:kvm_mmio") &&
+ evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_WRITE) {
mmio_event_get_key(evsel, sample, key);
return true;
}
@@ -52,7 +57,7 @@ static bool mmio_event_begin(struct perf_evsel *evsel,
return false;
}
-static bool mmio_event_end(struct perf_evsel *evsel, struct perf_sample *sample,
+static bool mmio_event_end(struct evsel *evsel, struct perf_sample *sample,
struct event_key *key)
{
/* MMIO write end event in kernel. */
@@ -60,8 +65,8 @@ static bool mmio_event_end(struct perf_evsel *evsel, struct perf_sample *sample,
return true;
/* MMIO read end event in kernel.*/
- if (!strcmp(evsel->name, "kvm:kvm_mmio") &&
- perf_evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_READ) {
+ if (evsel__name_is(evsel, "kvm:kvm_mmio") &&
+ evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_READ) {
mmio_event_get_key(evsel, sample, key);
return true;
}
@@ -73,7 +78,7 @@ static void mmio_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused,
struct event_key *key,
char *decode)
{
- scnprintf(decode, decode_str_len, "%#lx:%s",
+ scnprintf(decode, KVM_EVENT_NAME_LEN, "%#lx:%s",
(unsigned long)key->key,
key->info == KVM_TRACE_MMIO_WRITE ? "W" : "R");
}
@@ -86,19 +91,19 @@ static struct kvm_events_ops mmio_events = {
};
/* The time of emulation pio access is from kvm_pio to kvm_entry. */
-static void ioport_event_get_key(struct perf_evsel *evsel,
+static void ioport_event_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
- key->key = perf_evsel__intval(evsel, sample, "port");
- key->info = perf_evsel__intval(evsel, sample, "rw");
+ key->key = evsel__intval(evsel, sample, "port");
+ key->info = evsel__intval(evsel, sample, "rw");
}
-static bool ioport_event_begin(struct perf_evsel *evsel,
+static bool ioport_event_begin(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
- if (!strcmp(evsel->name, "kvm:kvm_pio")) {
+ if (evsel__name_is(evsel, "kvm:kvm_pio")) {
ioport_event_get_key(evsel, sample, key);
return true;
}
@@ -106,7 +111,7 @@ static bool ioport_event_begin(struct perf_evsel *evsel,
return false;
}
-static bool ioport_event_end(struct perf_evsel *evsel,
+static bool ioport_event_end(struct evsel *evsel,
struct perf_sample *sample __maybe_unused,
struct event_key *key __maybe_unused)
{
@@ -117,7 +122,7 @@ static void ioport_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused,
struct event_key *key,
char *decode)
{
- scnprintf(decode, decode_str_len, "%#llx:%s",
+ scnprintf(decode, KVM_EVENT_NAME_LEN, "%#llx:%s",
(unsigned long long)key->key,
key->info ? "POUT" : "PIN");
}
@@ -129,11 +134,56 @@ static struct kvm_events_ops ioport_events = {
.name = "IO Port Access"
};
+ /* The time of emulation msr is from kvm_msr to kvm_entry. */
+static void msr_event_get_key(struct evsel *evsel,
+ struct perf_sample *sample,
+ struct event_key *key)
+{
+ key->key = evsel__intval(evsel, sample, "ecx");
+ key->info = evsel__intval(evsel, sample, "write");
+}
+
+static bool msr_event_begin(struct evsel *evsel,
+ struct perf_sample *sample,
+ struct event_key *key)
+{
+ if (evsel__name_is(evsel, "kvm:kvm_msr")) {
+ msr_event_get_key(evsel, sample, key);
+ return true;
+ }
+
+ return false;
+}
+
+static bool msr_event_end(struct evsel *evsel,
+ struct perf_sample *sample __maybe_unused,
+ struct event_key *key __maybe_unused)
+{
+ return kvm_entry_event(evsel);
+}
+
+static void msr_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused,
+ struct event_key *key,
+ char *decode)
+{
+ scnprintf(decode, KVM_EVENT_NAME_LEN, "%#llx:%s",
+ (unsigned long long)key->key,
+ key->info ? "W" : "R");
+}
+
+static struct kvm_events_ops msr_events = {
+ .is_begin_event = msr_event_begin,
+ .is_end_event = msr_event_end,
+ .decode_key = msr_event_decode_key,
+ .name = "MSR Access"
+};
+
const char *kvm_events_tp[] = {
"kvm:kvm_entry",
"kvm:kvm_exit",
"kvm:kvm_mmio",
"kvm:kvm_pio",
+ "kvm:kvm_msr",
NULL,
};
@@ -141,6 +191,7 @@ struct kvm_reg_events_ops kvm_reg_events_ops[] = {
{ .name = "vmexit", .ops = &exit_events },
{ .name = "mmio", .ops = &mmio_events },
{ .name = "ioport", .ops = &ioport_events },
+ { .name = "msr", .ops = &msr_events },
{ NULL, NULL },
};
@@ -154,7 +205,7 @@ int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid)
if (strstr(cpuid, "Intel")) {
kvm->exit_reasons = vmx_exit_reasons;
kvm->exit_reasons_isa = "VMX";
- } else if (strstr(cpuid, "AMD")) {
+ } else if (strstr(cpuid, "AMD") || strstr(cpuid, "Hygon")) {
kvm->exit_reasons = svm_exit_reasons;
kvm->exit_reasons_isa = "SVM";
} else
@@ -162,3 +213,52 @@ int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid)
return 0;
}
+
+/*
+ * After KVM supports PEBS for guest on Intel platforms
+ * (https://lore.kernel.org/all/20220411101946.20262-1-likexu@tencent.com/),
+ * host loses the capability to sample guest with PEBS since all PEBS related
+ * MSRs are switched to guest value after vm-entry, like IA32_DS_AREA MSR is
+ * switched to guest GVA at vm-entry. This would lead to "perf kvm record"
+ * fails to sample guest on Intel platforms since "cycles:P" event is used to
+ * sample guest by default.
+ *
+ * So, to avoid this issue explicitly use "cycles" instead of "cycles:P" event
+ * by default to sample guest on Intel platforms.
+ */
+int kvm_add_default_arch_event(int *argc, const char **argv)
+{
+ const char **tmp;
+ bool event = false;
+ int ret = 0, i, j = *argc;
+
+ const struct option event_options[] = {
+ OPT_BOOLEAN('e', "event", &event, NULL),
+ OPT_BOOLEAN(0, "pfm-events", &event, NULL),
+ OPT_END()
+ };
+
+ if (!x86__is_intel_cpu())
+ return 0;
+
+ tmp = calloc(j + 1, sizeof(char *));
+ if (!tmp)
+ return -ENOMEM;
+
+ for (i = 0; i < j; i++)
+ tmp[i] = argv[i];
+
+ parse_options(j, tmp, event_options, NULL, PARSE_OPT_KEEP_UNKNOWN);
+ if (!event) {
+ argv[j++] = STRDUP_FAIL_EXIT("-e");
+ argv[j++] = STRDUP_FAIL_EXIT("cycles");
+ *argc += 2;
+ }
+
+ free(tmp);
+ return 0;
+
+EXIT:
+ free(tmp);
+ return ret;
+}
diff --git a/tools/perf/arch/x86/util/machine.c b/tools/perf/arch/x86/util/machine.c
new file mode 100644
index 000000000000..31679c35d493
--- /dev/null
+++ b/tools/perf/arch/x86/util/machine.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/types.h>
+#include <linux/string.h>
+#include <limits.h>
+#include <stdlib.h>
+
+#include <internal/lib.h> // page_size
+#include "../../../util/machine.h"
+#include "../../../util/map.h"
+#include "../../../util/symbol.h"
+#include <linux/ctype.h>
+
+#include <symbol/kallsyms.h>
+
+#if defined(__x86_64__)
+
+struct extra_kernel_map_info {
+ int cnt;
+ int max_cnt;
+ struct extra_kernel_map *maps;
+ bool get_entry_trampolines;
+ u64 entry_trampoline;
+};
+
+static int add_extra_kernel_map(struct extra_kernel_map_info *mi, u64 start,
+ u64 end, u64 pgoff, const char *name)
+{
+ if (mi->cnt >= mi->max_cnt) {
+ void *buf;
+ size_t sz;
+
+ mi->max_cnt = mi->max_cnt ? mi->max_cnt * 2 : 32;
+ sz = sizeof(struct extra_kernel_map) * mi->max_cnt;
+ buf = realloc(mi->maps, sz);
+ if (!buf)
+ return -1;
+ mi->maps = buf;
+ }
+
+ mi->maps[mi->cnt].start = start;
+ mi->maps[mi->cnt].end = end;
+ mi->maps[mi->cnt].pgoff = pgoff;
+ strlcpy(mi->maps[mi->cnt].name, name, KMAP_NAME_LEN);
+
+ mi->cnt += 1;
+
+ return 0;
+}
+
+static int find_extra_kernel_maps(void *arg, const char *name, char type,
+ u64 start)
+{
+ struct extra_kernel_map_info *mi = arg;
+
+ if (!mi->entry_trampoline && kallsyms2elf_binding(type) == STB_GLOBAL &&
+ !strcmp(name, "_entry_trampoline")) {
+ mi->entry_trampoline = start;
+ return 0;
+ }
+
+ if (is_entry_trampoline(name)) {
+ u64 end = start + page_size;
+
+ return add_extra_kernel_map(mi, start, end, 0, name);
+ }
+
+ return 0;
+}
+
+int machine__create_extra_kernel_maps(struct machine *machine,
+ struct dso *kernel)
+{
+ struct extra_kernel_map_info mi = { .cnt = 0, };
+ char filename[PATH_MAX];
+ int ret;
+ int i;
+
+ machine__get_kallsyms_filename(machine, filename, PATH_MAX);
+
+ if (symbol__restricted_filename(filename, "/proc/kallsyms"))
+ return 0;
+
+ ret = kallsyms__parse(filename, &mi, find_extra_kernel_maps);
+ if (ret)
+ goto out_free;
+
+ if (!mi.entry_trampoline)
+ goto out_free;
+
+ for (i = 0; i < mi.cnt; i++) {
+ struct extra_kernel_map *xm = &mi.maps[i];
+
+ xm->pgoff = mi.entry_trampoline;
+ ret = machine__create_extra_kernel_map(machine, kernel, xm);
+ if (ret)
+ goto out_free;
+ }
+
+ machine->trampolines_mapped = mi.cnt;
+out_free:
+ free(mi.maps);
+ return ret;
+}
+
+#endif
diff --git a/tools/perf/arch/x86/util/mem-events.c b/tools/perf/arch/x86/util/mem-events.c
new file mode 100644
index 000000000000..b38f519020ff
--- /dev/null
+++ b/tools/perf/arch/x86/util/mem-events.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "linux/string.h"
+#include "util/map_symbol.h"
+#include "util/mem-events.h"
+#include "mem-events.h"
+
+
+#define MEM_LOADS_AUX 0x8203
+
+#define E(t, n, s, l, a) { .tag = t, .name = n, .event_name = s, .ldlat = l, .aux_event = a }
+
+struct perf_mem_event perf_mem_events_intel[PERF_MEM_EVENTS__MAX] = {
+ E("ldlat-loads", "%s/mem-loads,ldlat=%u/P", "mem-loads", true, 0),
+ E("ldlat-stores", "%s/mem-stores/P", "mem-stores", false, 0),
+ E(NULL, NULL, NULL, false, 0),
+};
+
+struct perf_mem_event perf_mem_events_intel_aux[PERF_MEM_EVENTS__MAX] = {
+ E("ldlat-loads", "{%s/mem-loads-aux/,%s/mem-loads,ldlat=%u/}:P", "mem-loads", true, MEM_LOADS_AUX),
+ E("ldlat-stores", "%s/mem-stores/P", "mem-stores", false, 0),
+ E(NULL, NULL, NULL, false, 0),
+};
+
+struct perf_mem_event perf_mem_events_amd[PERF_MEM_EVENTS__MAX] = {
+ E(NULL, NULL, NULL, false, 0),
+ E(NULL, NULL, NULL, false, 0),
+ E("mem-ldst", "%s//", NULL, false, 0),
+};
+
+struct perf_mem_event perf_mem_events_amd_ldlat[PERF_MEM_EVENTS__MAX] = {
+ E(NULL, NULL, NULL, false, 0),
+ E(NULL, NULL, NULL, false, 0),
+ E("mem-ldst", "%s/ldlat=%u/", NULL, true, 0),
+};
diff --git a/tools/perf/arch/x86/util/mem-events.h b/tools/perf/arch/x86/util/mem-events.h
new file mode 100644
index 000000000000..11e09a256f5b
--- /dev/null
+++ b/tools/perf/arch/x86/util/mem-events.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _X86_MEM_EVENTS_H
+#define _X86_MEM_EVENTS_H
+
+extern struct perf_mem_event perf_mem_events_intel[PERF_MEM_EVENTS__MAX];
+extern struct perf_mem_event perf_mem_events_intel_aux[PERF_MEM_EVENTS__MAX];
+
+extern struct perf_mem_event perf_mem_events_amd[PERF_MEM_EVENTS__MAX];
+extern struct perf_mem_event perf_mem_events_amd_ldlat[PERF_MEM_EVENTS__MAX];
+
+#endif /* _X86_MEM_EVENTS_H */
diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c
index 3bf3548c5e2d..12fd93f04802 100644
--- a/tools/perf/arch/x86/util/perf_regs.c
+++ b/tools/perf/arch/x86/util/perf_regs.c
@@ -1,12 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
#include <string.h>
#include <regex.h>
+#include <linux/kernel.h>
+#include <linux/zalloc.h>
-#include "../../perf.h"
-#include "../../util/util.h"
-#include "../../util/perf_regs.h"
-#include "../../util/debug.h"
+#include "perf_regs.h"
+#include "../../../perf-sys.h"
+#include "../../../util/perf_regs.h"
+#include "../../../util/debug.h"
+#include "../../../util/event.h"
+#include "../../../util/pmu.h"
+#include "../../../util/pmus.h"
-const struct sample_reg sample_reg_masks[] = {
+static const struct sample_reg sample_reg_masks[] = {
SMPL_REG(AX, PERF_REG_X86_AX),
SMPL_REG(BX, PERF_REG_X86_BX),
SMPL_REG(CX, PERF_REG_X86_CX),
@@ -29,6 +36,22 @@ const struct sample_reg sample_reg_masks[] = {
SMPL_REG(R14, PERF_REG_X86_R14),
SMPL_REG(R15, PERF_REG_X86_R15),
#endif
+ SMPL_REG2(XMM0, PERF_REG_X86_XMM0),
+ SMPL_REG2(XMM1, PERF_REG_X86_XMM1),
+ SMPL_REG2(XMM2, PERF_REG_X86_XMM2),
+ SMPL_REG2(XMM3, PERF_REG_X86_XMM3),
+ SMPL_REG2(XMM4, PERF_REG_X86_XMM4),
+ SMPL_REG2(XMM5, PERF_REG_X86_XMM5),
+ SMPL_REG2(XMM6, PERF_REG_X86_XMM6),
+ SMPL_REG2(XMM7, PERF_REG_X86_XMM7),
+ SMPL_REG2(XMM8, PERF_REG_X86_XMM8),
+ SMPL_REG2(XMM9, PERF_REG_X86_XMM9),
+ SMPL_REG2(XMM10, PERF_REG_X86_XMM10),
+ SMPL_REG2(XMM11, PERF_REG_X86_XMM11),
+ SMPL_REG2(XMM12, PERF_REG_X86_XMM12),
+ SMPL_REG2(XMM13, PERF_REG_X86_XMM13),
+ SMPL_REG2(XMM14, PERF_REG_X86_XMM14),
+ SMPL_REG2(XMM15, PERF_REG_X86_XMM15),
SMPL_REG_END
};
@@ -145,7 +168,7 @@ static int sdt_init_op_regex(void)
/*
* Max x86 register name length is 5(ex: %r15d). So, 6th char
* should always contain NULL. This helps to find register name
- * length using strlen, insted of maintaing one more variable.
+ * length using strlen, instead of maintaining one more variable.
*/
#define SDT_REG_NAME_SIZE 6
@@ -187,7 +210,7 @@ int arch_sdt_arg_parse_op(char *old_op, char **new_op)
* and displacement 0 (Both sign and displacement 0 are
* optional so it may be empty). Use one more character
* to hold last NULL so that strlen can be used to find
- * prefix length, instead of maintaing one more variable.
+ * prefix length, instead of maintaining one more variable.
*/
char prefix[3] = {0};
@@ -224,7 +247,7 @@ int arch_sdt_arg_parse_op(char *old_op, char **new_op)
else if (rm[2].rm_so != rm[2].rm_eo)
prefix[0] = '+';
else
- strncpy(prefix, "+0", 2);
+ scnprintf(prefix, sizeof(prefix), "+0");
}
/* Rename register */
@@ -252,3 +275,56 @@ int arch_sdt_arg_parse_op(char *old_op, char **new_op)
return SDT_ARG_VALID;
}
+
+const struct sample_reg *arch__sample_reg_masks(void)
+{
+ return sample_reg_masks;
+}
+
+uint64_t arch__intr_reg_mask(void)
+{
+ struct perf_event_attr attr = {
+ .type = PERF_TYPE_HARDWARE,
+ .config = PERF_COUNT_HW_CPU_CYCLES,
+ .sample_type = PERF_SAMPLE_REGS_INTR,
+ .sample_regs_intr = PERF_REG_EXTENDED_MASK,
+ .precise_ip = 1,
+ .disabled = 1,
+ .exclude_kernel = 1,
+ };
+ int fd;
+ /*
+ * In an unnamed union, init it here to build on older gcc versions
+ */
+ attr.sample_period = 1;
+
+ if (perf_pmus__num_core_pmus() > 1) {
+ struct perf_pmu *pmu = NULL;
+ __u64 type = PERF_TYPE_RAW;
+
+ /*
+ * The same register set is supported among different hybrid PMUs.
+ * Only check the first available one.
+ */
+ while ((pmu = perf_pmus__scan_core(pmu)) != NULL) {
+ type = pmu->type;
+ break;
+ }
+ attr.config |= type << PERF_PMU_TYPE_SHIFT;
+ }
+
+ event_attr_init(&attr);
+
+ fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
+ if (fd != -1) {
+ close(fd);
+ return (PERF_REG_EXTENDED_MASK | PERF_REGS_MASK);
+ }
+
+ return PERF_REGS_MASK;
+}
+
+uint64_t arch__user_reg_mask(void)
+{
+ return PERF_REGS_MASK;
+}
diff --git a/tools/perf/arch/x86/util/pmu.c b/tools/perf/arch/x86/util/pmu.c
index 79fe07158d00..a3f96221758d 100644
--- a/tools/perf/arch/x86/util/pmu.c
+++ b/tools/perf/arch/x86/util/pmu.c
@@ -1,18 +1,314 @@
+// SPDX-License-Identifier: GPL-2.0
#include <string.h>
-
+#include <stdio.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <linux/stddef.h>
#include <linux/perf_event.h>
+#include <linux/zalloc.h>
+#include <api/fs/fs.h>
+#include <api/io_dir.h>
+#include <internal/cpumap.h>
+#include <errno.h>
+
+#include "../../../util/intel-pt.h"
+#include "../../../util/intel-bts.h"
+#include "../../../util/pmu.h"
+#include "../../../util/fncache.h"
+#include "../../../util/pmus.h"
+#include "mem-events.h"
+#include "util/debug.h"
+#include "util/env.h"
+#include "util/header.h"
+
+static bool x86__is_intel_graniterapids(void)
+{
+ static bool checked_if_graniterapids;
+ static bool is_graniterapids;
+
+ if (!checked_if_graniterapids) {
+ const char *graniterapids_cpuid = "GenuineIntel-6-A[DE]";
+ char *cpuid = get_cpuid_str((struct perf_cpu){0});
+
+ is_graniterapids = cpuid && strcmp_cpuid_str(graniterapids_cpuid, cpuid) == 0;
+ free(cpuid);
+ checked_if_graniterapids = true;
+ }
+ return is_graniterapids;
+}
+
+static struct perf_cpu_map *read_sysfs_cpu_map(const char *sysfs_path)
+{
+ struct perf_cpu_map *cpus;
+ char *buf = NULL;
+ size_t buf_len;
+
+ if (sysfs__read_str(sysfs_path, &buf, &buf_len) < 0)
+ return NULL;
+
+ cpus = perf_cpu_map__new(buf);
+ free(buf);
+ return cpus;
+}
+
+static int snc_nodes_per_l3_cache(void)
+{
+ static bool checked_snc;
+ static int snc_nodes;
+
+ if (!checked_snc) {
+ struct perf_cpu_map *node_cpus =
+ read_sysfs_cpu_map("devices/system/node/node0/cpulist");
+ struct perf_cpu_map *cache_cpus =
+ read_sysfs_cpu_map("devices/system/cpu/cpu0/cache/index3/shared_cpu_list");
+
+ snc_nodes = perf_cpu_map__nr(cache_cpus) / perf_cpu_map__nr(node_cpus);
+ perf_cpu_map__put(cache_cpus);
+ perf_cpu_map__put(node_cpus);
+ checked_snc = true;
+ }
+ return snc_nodes;
+}
+
+static bool starts_with(const char *str, const char *prefix)
+{
+ return !strncmp(prefix, str, strlen(prefix));
+}
+
+static int num_chas(void)
+{
+ static bool checked_chas;
+ static int num_chas;
+
+ if (!checked_chas) {
+ int fd = perf_pmu__event_source_devices_fd();
+ struct io_dir dir;
+ struct io_dirent64 *dent;
+
+ if (fd < 0)
+ return -1;
+
+ io_dir__init(&dir, fd);
+
+ while ((dent = io_dir__readdir(&dir)) != NULL) {
+ /* Note, dent->d_type will be DT_LNK and so isn't a useful filter. */
+ if (starts_with(dent->d_name, "uncore_cha_"))
+ num_chas++;
+ }
+ close(fd);
+ checked_chas = true;
+ }
+ return num_chas;
+}
+
+#define MAX_SNCS 6
+
+static int uncore_cha_snc(struct perf_pmu *pmu)
+{
+ // CHA SNC numbers are ordered correspond to the CHAs number.
+ unsigned int cha_num;
+ int num_cha, chas_per_node, cha_snc;
+ int snc_nodes = snc_nodes_per_l3_cache();
-#include "../../util/intel-pt.h"
-#include "../../util/intel-bts.h"
-#include "../../util/pmu.h"
+ if (snc_nodes <= 1)
+ return 0;
-struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused)
+ num_cha = num_chas();
+ if (num_cha <= 0) {
+ pr_warning("Unexpected: no CHAs found\n");
+ return 0;
+ }
+
+ /* Compute SNC for PMU. */
+ if (sscanf(pmu->name, "uncore_cha_%u", &cha_num) != 1) {
+ pr_warning("Unexpected: unable to compute CHA number '%s'\n", pmu->name);
+ return 0;
+ }
+ chas_per_node = num_cha / snc_nodes;
+ cha_snc = cha_num / chas_per_node;
+
+ /* Range check cha_snc. for unexpected out of bounds. */
+ return cha_snc >= MAX_SNCS ? 0 : cha_snc;
+}
+
+static int uncore_imc_snc(struct perf_pmu *pmu)
+{
+ // Compute the IMC SNC using lookup tables.
+ unsigned int imc_num;
+ int snc_nodes = snc_nodes_per_l3_cache();
+ const u8 snc2_map[] = {1, 1, 0, 0, 1, 1, 0, 0};
+ const u8 snc3_map[] = {1, 1, 0, 0, 2, 2, 1, 1, 0, 0, 2, 2};
+ const u8 *snc_map;
+ size_t snc_map_len;
+
+ switch (snc_nodes) {
+ case 2:
+ snc_map = snc2_map;
+ snc_map_len = ARRAY_SIZE(snc2_map);
+ break;
+ case 3:
+ snc_map = snc3_map;
+ snc_map_len = ARRAY_SIZE(snc3_map);
+ break;
+ default:
+ /* Error or no lookup support for SNC with >3 nodes. */
+ return 0;
+ }
+
+ /* Compute SNC for PMU. */
+ if (sscanf(pmu->name, "uncore_imc_%u", &imc_num) != 1) {
+ pr_warning("Unexpected: unable to compute IMC number '%s'\n", pmu->name);
+ return 0;
+ }
+ if (imc_num >= snc_map_len) {
+ pr_warning("Unexpected IMC %d for SNC%d mapping\n", imc_num, snc_nodes);
+ return 0;
+ }
+ return snc_map[imc_num];
+}
+
+static int uncore_cha_imc_compute_cpu_adjust(int pmu_snc)
+{
+ static bool checked_cpu_adjust[MAX_SNCS];
+ static int cpu_adjust[MAX_SNCS];
+ struct perf_cpu_map *node_cpus;
+ char node_path[] = "devices/system/node/node0/cpulist";
+
+ /* Was adjust already computed? */
+ if (checked_cpu_adjust[pmu_snc])
+ return cpu_adjust[pmu_snc];
+
+ /* SNC0 doesn't need an adjust. */
+ if (pmu_snc == 0) {
+ cpu_adjust[0] = 0;
+ checked_cpu_adjust[0] = true;
+ return 0;
+ }
+
+ /*
+ * Use NUMA topology to compute first CPU of the NUMA node, we want to
+ * adjust CPU 0 to be this and similarly for other CPUs if there is >1
+ * socket.
+ */
+ assert(pmu_snc >= 0 && pmu_snc <= 9);
+ node_path[24] += pmu_snc; // Shift node0 to be node<pmu_snc>.
+ node_cpus = read_sysfs_cpu_map(node_path);
+ cpu_adjust[pmu_snc] = perf_cpu_map__cpu(node_cpus, 0).cpu;
+ if (cpu_adjust[pmu_snc] < 0) {
+ pr_debug("Failed to read valid CPU list from <sysfs>/%s\n", node_path);
+ cpu_adjust[pmu_snc] = 0;
+ } else {
+ checked_cpu_adjust[pmu_snc] = true;
+ }
+ perf_cpu_map__put(node_cpus);
+ return cpu_adjust[pmu_snc];
+}
+
+static void gnr_uncore_cha_imc_adjust_cpumask_for_snc(struct perf_pmu *pmu, bool cha)
{
-#ifdef HAVE_AUXTRACE_SUPPORT
- if (!strcmp(pmu->name, INTEL_PT_PMU_NAME))
- return intel_pt_pmu_default_config(pmu);
- if (!strcmp(pmu->name, INTEL_BTS_PMU_NAME))
+ // With sub-NUMA clustering (SNC) there is a NUMA node per SNC in the
+ // topology. For example, a two socket graniterapids machine may be set
+ // up with 3-way SNC meaning there are 6 NUMA nodes that should be
+ // displayed with --per-node. The cpumask of the CHA and IMC PMUs
+ // reflects per-socket information meaning, for example, uncore_cha_60
+ // on a two socket graniterapids machine with 120 cores per socket will
+ // have a cpumask of "0,120". This cpumask needs adjusting to "40,160"
+ // to reflect that uncore_cha_60 is used for the 2nd SNC of each
+ // socket. Without the adjustment events on uncore_cha_60 will appear in
+ // node 0 and node 3 (in our example 2 socket 3-way set up), but with
+ // the adjustment they will appear in node 1 and node 4. The number of
+ // CHAs is typically larger than the number of cores. The CHA numbers
+ // are assumed to split evenly and inorder wrt core numbers. There are
+ // fewer memory IMC PMUs than cores and mapping is handled using lookup
+ // tables.
+ static struct perf_cpu_map *cha_adjusted[MAX_SNCS];
+ static struct perf_cpu_map *imc_adjusted[MAX_SNCS];
+ struct perf_cpu_map **adjusted = cha ? cha_adjusted : imc_adjusted;
+ int idx, pmu_snc, cpu_adjust;
+ struct perf_cpu cpu;
+ bool alloc;
+
+ // Cpus from the kernel holds first CPU of each socket. e.g. 0,120.
+ if (perf_cpu_map__cpu(pmu->cpus, 0).cpu != 0) {
+ pr_debug("Ignoring cpumask adjust for %s as unexpected first CPU\n", pmu->name);
+ return;
+ }
+
+ pmu_snc = cha ? uncore_cha_snc(pmu) : uncore_imc_snc(pmu);
+ if (pmu_snc == 0) {
+ // No adjustment necessary for the first SNC.
+ return;
+ }
+
+ alloc = adjusted[pmu_snc] == NULL;
+ if (alloc) {
+ // Hold onto the perf_cpu_map globally to avoid recomputation.
+ cpu_adjust = uncore_cha_imc_compute_cpu_adjust(pmu_snc);
+ adjusted[pmu_snc] = perf_cpu_map__empty_new(perf_cpu_map__nr(pmu->cpus));
+ if (!adjusted[pmu_snc])
+ return;
+ }
+
+ perf_cpu_map__for_each_cpu(cpu, idx, pmu->cpus) {
+ // Compute the new cpu map values or if not allocating, assert
+ // that they match expectations. asserts will be removed to
+ // avoid overhead in NDEBUG builds.
+ if (alloc) {
+ RC_CHK_ACCESS(adjusted[pmu_snc])->map[idx].cpu = cpu.cpu + cpu_adjust;
+ } else if (idx == 0) {
+ cpu_adjust = perf_cpu_map__cpu(adjusted[pmu_snc], idx).cpu - cpu.cpu;
+ assert(uncore_cha_imc_compute_cpu_adjust(pmu_snc) == cpu_adjust);
+ } else {
+ assert(perf_cpu_map__cpu(adjusted[pmu_snc], idx).cpu ==
+ cpu.cpu + cpu_adjust);
+ }
+ }
+
+ perf_cpu_map__put(pmu->cpus);
+ pmu->cpus = perf_cpu_map__get(adjusted[pmu_snc]);
+}
+
+void perf_pmu__arch_init(struct perf_pmu *pmu)
+{
+ struct perf_pmu_caps *ldlat_cap;
+
+ if (!strcmp(pmu->name, INTEL_PT_PMU_NAME)) {
+ pmu->auxtrace = true;
+ pmu->selectable = true;
+ pmu->perf_event_attr_init_default = intel_pt_pmu_default_config;
+ }
+ if (!strcmp(pmu->name, INTEL_BTS_PMU_NAME)) {
+ pmu->auxtrace = true;
pmu->selectable = true;
-#endif
- return NULL;
+ }
+
+ if (x86__is_amd_cpu()) {
+ if (strcmp(pmu->name, "ibs_op"))
+ return;
+
+ pmu->mem_events = perf_mem_events_amd;
+
+ if (!perf_pmu__caps_parse(pmu))
+ return;
+
+ ldlat_cap = perf_pmu__get_cap(pmu, "ldlat");
+ if (!ldlat_cap || strcmp(ldlat_cap->value, "1"))
+ return;
+
+ perf_mem_events__loads_ldlat = 0;
+ pmu->mem_events = perf_mem_events_amd_ldlat;
+ } else {
+ if (pmu->is_core) {
+ if (perf_pmu__have_event(pmu, "mem-loads-aux"))
+ pmu->mem_events = perf_mem_events_intel_aux;
+ else
+ pmu->mem_events = perf_mem_events_intel;
+ } else if (x86__is_intel_graniterapids()) {
+ if (starts_with(pmu->name, "uncore_cha_"))
+ gnr_uncore_cha_imc_adjust_cpumask_for_snc(pmu, /*cha=*/true);
+ else if (starts_with(pmu->name, "uncore_imc_"))
+ gnr_uncore_cha_imc_adjust_cpumask_for_snc(pmu, /*cha=*/false);
+ }
+ }
}
diff --git a/tools/perf/arch/x86/util/topdown.c b/tools/perf/arch/x86/util/topdown.c
new file mode 100644
index 000000000000..bafd285119d7
--- /dev/null
+++ b/tools/perf/arch/x86/util/topdown.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include "util/evlist.h"
+#include "util/pmu.h"
+#include "util/pmus.h"
+#include "util/topdown.h"
+#include "topdown.h"
+#include "evsel.h"
+
+// cmask=0, inv=0, pc=0, edge=0, umask=4, event=0
+#define TOPDOWN_SLOTS 0x0400
+
+/* Check whether there is a PMU which supports the perf metrics. */
+bool topdown_sys_has_perf_metrics(void)
+{
+ static bool has_perf_metrics;
+ static bool cached;
+ struct perf_pmu *pmu;
+
+ if (cached)
+ return has_perf_metrics;
+
+ /*
+ * The perf metrics feature is a core PMU feature.
+ * The PERF_TYPE_RAW type is the type of a core PMU.
+ * The slots event is only available when the core PMU
+ * supports the perf metrics feature.
+ */
+ pmu = perf_pmus__find_by_type(PERF_TYPE_RAW);
+ if (pmu && perf_pmu__have_event(pmu, "slots"))
+ has_perf_metrics = true;
+
+ cached = true;
+ return has_perf_metrics;
+}
+
+bool arch_is_topdown_slots(const struct evsel *evsel)
+{
+ return evsel->core.attr.type == PERF_TYPE_RAW &&
+ evsel->core.attr.config == TOPDOWN_SLOTS &&
+ evsel->core.attr.config1 == 0;
+}
+
+bool arch_is_topdown_metrics(const struct evsel *evsel)
+{
+ // cmask=0, inv=0, pc=0, edge=0, umask=0x80-0x87, event=0
+ return evsel->core.attr.type == PERF_TYPE_RAW &&
+ (evsel->core.attr.config & 0xFFFFF8FF) == 0x8000 &&
+ evsel->core.attr.config1 == 0;
+}
+
+/*
+ * Check whether a topdown group supports sample-read.
+ *
+ * Only Topdown metric supports sample-read. The slots
+ * event must be the leader of the topdown group.
+ */
+bool arch_topdown_sample_read(struct evsel *leader)
+{
+ struct evsel *evsel;
+
+ if (!evsel__sys_has_perf_metrics(leader))
+ return false;
+
+ if (!arch_is_topdown_slots(leader))
+ return false;
+
+ /*
+ * If slots event as leader event but no topdown metric events
+ * in group, slots event should still sample as leader.
+ */
+ evlist__for_each_entry(leader->evlist, evsel) {
+ if (evsel->core.leader != leader->core.leader)
+ continue;
+ if (evsel != leader && arch_is_topdown_metrics(evsel))
+ return true;
+ }
+
+ return false;
+}
+
+/*
+ * Make a copy of the topdown metric event metric_event with the given index but
+ * change its configuration to be a topdown slots event. Copying from
+ * metric_event ensures modifiers are the same.
+ */
+int topdown_insert_slots_event(struct list_head *list, int idx, struct evsel *metric_event)
+{
+ struct evsel *evsel = evsel__new_idx(&metric_event->core.attr, idx);
+
+ if (!evsel)
+ return -ENOMEM;
+
+ evsel->core.attr.config = TOPDOWN_SLOTS;
+ evsel->core.cpus = perf_cpu_map__get(metric_event->core.cpus);
+ evsel->core.pmu_cpus = perf_cpu_map__get(metric_event->core.pmu_cpus);
+ evsel->core.is_pmu_core = true;
+ evsel->pmu = metric_event->pmu;
+ evsel->name = strdup("slots");
+ evsel->precise_max = metric_event->precise_max;
+ evsel->sample_read = metric_event->sample_read;
+ evsel->weak_group = metric_event->weak_group;
+ evsel->bpf_counter = metric_event->bpf_counter;
+ evsel->retire_lat = metric_event->retire_lat;
+ evsel__set_leader(evsel, evsel__leader(metric_event));
+ list_add_tail(&evsel->core.node, list);
+ return 0;
+}
diff --git a/tools/perf/arch/x86/util/topdown.h b/tools/perf/arch/x86/util/topdown.h
new file mode 100644
index 000000000000..69035565e649
--- /dev/null
+++ b/tools/perf/arch/x86/util/topdown.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _TOPDOWN_H
+#define _TOPDOWN_H 1
+
+#include <stdbool.h>
+
+struct evsel;
+struct list_head;
+
+bool topdown_sys_has_perf_metrics(void);
+bool arch_is_topdown_slots(const struct evsel *evsel);
+bool arch_is_topdown_metrics(const struct evsel *evsel);
+int topdown_insert_slots_event(struct list_head *list, int idx, struct evsel *metric_event);
+
+#endif
diff --git a/tools/perf/arch/x86/util/tsc.c b/tools/perf/arch/x86/util/tsc.c
index 2e5567c94e09..3a439e4b12d2 100644
--- a/tools/perf/arch/x86/util/tsc.c
+++ b/tools/perf/arch/x86/util/tsc.c
@@ -1,41 +1,12 @@
-#include <stdbool.h>
-#include <errno.h>
-
-#include <linux/perf_event.h>
-
-#include "../../perf.h"
+// SPDX-License-Identifier: GPL-2.0
#include <linux/types.h>
-#include "../../util/debug.h"
-#include "../../util/tsc.h"
-
-int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
- struct perf_tsc_conversion *tc)
-{
- bool cap_user_time_zero;
- u32 seq;
- int i = 0;
+#include <math.h>
+#include <string.h>
+#include <stdlib.h>
- while (1) {
- seq = pc->lock;
- rmb();
- tc->time_mult = pc->time_mult;
- tc->time_shift = pc->time_shift;
- tc->time_zero = pc->time_zero;
- cap_user_time_zero = pc->cap_user_time_zero;
- rmb();
- if (pc->lock == seq && !(seq & 1))
- break;
- if (++i > 10000) {
- pr_debug("failed to get perf_event_mmap_page lock\n");
- return -EINVAL;
- }
- }
-
- if (!cap_user_time_zero)
- return -EOPNOTSUPP;
-
- return 0;
-}
+#include "../../../util/debug.h"
+#include "../../../util/tsc.h"
+#include "cpuid.h"
u64 rdtsc(void)
{
@@ -46,35 +17,77 @@ u64 rdtsc(void)
return low | ((u64)high) << 32;
}
-int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc,
- struct perf_tool *tool,
- perf_event__handler_t process,
- struct machine *machine)
+/*
+ * Derive the TSC frequency in Hz from the /proc/cpuinfo, for example:
+ * ...
+ * model name : Intel(R) Xeon(R) Gold 6154 CPU @ 3.00GHz
+ * ...
+ * will return 3000000000.
+ */
+static u64 cpuinfo_tsc_freq(void)
{
- union perf_event event = {
- .time_conv = {
- .header = {
- .type = PERF_RECORD_TIME_CONV,
- .size = sizeof(struct time_conv_event),
- },
- },
- };
- struct perf_tsc_conversion tc;
- int err;
+ u64 result = 0;
+ FILE *cpuinfo;
+ char *line = NULL;
+ size_t len = 0;
- if (!pc)
+ cpuinfo = fopen("/proc/cpuinfo", "r");
+ if (!cpuinfo) {
+ pr_err("Failed to read /proc/cpuinfo for TSC frequency\n");
return 0;
- err = perf_read_tsc_conversion(pc, &tc);
- if (err == -EOPNOTSUPP)
+ }
+ while (getline(&line, &len, cpuinfo) > 0) {
+ if (!strncmp(line, "model name", 10)) {
+ char *pos = strstr(line + 11, " @ ");
+ double float_result;
+
+ if (pos && sscanf(pos, " @ %lfGHz", &float_result) == 1) {
+ float_result *= 1000000000;
+ result = (u64)float_result;
+ goto out;
+ }
+ }
+ }
+out:
+ if (result == 0)
+ pr_err("Failed to find TSC frequency in /proc/cpuinfo\n");
+
+ free(line);
+ fclose(cpuinfo);
+ return result;
+}
+
+u64 arch_get_tsc_freq(void)
+{
+ unsigned int a, b, c, d, lvl;
+ static bool cached;
+ static double tsc;
+ char vendor[16];
+
+ if (cached)
+ return tsc;
+
+ cached = true;
+ get_cpuid_0(vendor, &lvl);
+ if (!strstr(vendor, "Intel"))
return 0;
- if (err)
- return err;
- pr_debug2("Synthesizing TSC conversion information\n");
+ /*
+ * Don't support Time Stamp Counter and
+ * Nominal Core Crystal Clock Information Leaf.
+ */
+ if (lvl < 0x15) {
+ tsc = cpuinfo_tsc_freq();
+ return tsc;
+ }
- event.time_conv.time_mult = tc.time_mult;
- event.time_conv.time_shift = tc.time_shift;
- event.time_conv.time_zero = tc.time_zero;
+ cpuid(0x15, 0, &a, &b, &c, &d);
+ /* TSC frequency is not enumerated */
+ if (!a || !b || !c) {
+ tsc = cpuinfo_tsc_freq();
+ return tsc;
+ }
- return process(tool, &event, NULL, machine);
+ tsc = (u64)c * (u64)b / (u64)a;
+ return tsc;
}
diff --git a/tools/perf/arch/x86/util/unwind-libdw.c b/tools/perf/arch/x86/util/unwind-libdw.c
index c4b72176ca83..798493e887d7 100644
--- a/tools/perf/arch/x86/util/unwind-libdw.c
+++ b/tools/perf/arch/x86/util/unwind-libdw.c
@@ -1,11 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
#include <elfutils/libdwfl.h>
-#include "../../util/unwind-libdw.h"
-#include "../../util/perf_regs.h"
+#include "perf_regs.h"
+#include "../../../util/unwind-libdw.h"
+#include "../../../util/perf_regs.h"
+#include "util/sample.h"
bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
{
struct unwind_info *ui = arg;
- struct regs_dump *user_regs = &ui->sample->user_regs;
+ struct regs_dump *user_regs = perf_sample__user_regs(ui->sample);
Dwarf_Word dwarf_regs[17];
unsigned nregs;
diff --git a/tools/perf/arch/x86/util/unwind-libunwind.c b/tools/perf/arch/x86/util/unwind-libunwind.c
index 4f16661cbdbb..47357973b55b 100644
--- a/tools/perf/arch/x86/util/unwind-libunwind.c
+++ b/tools/perf/arch/x86/util/unwind-libunwind.c
@@ -1,10 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0
-#ifndef REMOTE_UNWIND_LIBUNWIND
#include <errno.h>
+#include "../../util/debug.h"
+#ifndef REMOTE_UNWIND_LIBUNWIND
#include <libunwind.h>
#include "perf_regs.h"
#include "../../util/unwind.h"
-#include "../../util/debug.h"
#endif
#ifdef HAVE_ARCH_X86_64_SUPPORT
diff --git a/tools/perf/arch/xtensa/Build b/tools/perf/arch/xtensa/Build
deleted file mode 100644
index 54afe4a467e7..000000000000
--- a/tools/perf/arch/xtensa/Build
+++ /dev/null
@@ -1 +0,0 @@
-libperf-y += util/
diff --git a/tools/perf/arch/xtensa/Makefile b/tools/perf/arch/xtensa/Makefile
deleted file mode 100644
index 7fbca175099e..000000000000
--- a/tools/perf/arch/xtensa/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-ifndef NO_DWARF
-PERF_HAVE_DWARF_REGS := 1
-endif
diff --git a/tools/perf/arch/xtensa/entry/syscalls/syscall.tbl b/tools/perf/arch/xtensa/entry/syscalls/syscall.tbl
new file mode 100644
index 000000000000..374e4cb788d8
--- /dev/null
+++ b/tools/perf/arch/xtensa/entry/syscalls/syscall.tbl
@@ -0,0 +1,442 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for xtensa
+#
+# The format is:
+# <number> <abi> <name> <entry point>
+#
+# The <abi> is always "common" for this file
+#
+0 common spill sys_ni_syscall
+1 common xtensa sys_ni_syscall
+2 common available4 sys_ni_syscall
+3 common available5 sys_ni_syscall
+4 common available6 sys_ni_syscall
+5 common available7 sys_ni_syscall
+6 common available8 sys_ni_syscall
+7 common available9 sys_ni_syscall
+# File Operations
+8 common open sys_open
+9 common close sys_close
+10 common dup sys_dup
+11 common dup2 sys_dup2
+12 common read sys_read
+13 common write sys_write
+14 common select sys_select
+15 common lseek sys_lseek
+16 common poll sys_poll
+17 common _llseek sys_llseek
+18 common epoll_wait sys_epoll_wait
+19 common epoll_ctl sys_epoll_ctl
+20 common epoll_create sys_epoll_create
+21 common creat sys_creat
+22 common truncate sys_truncate
+23 common ftruncate sys_ftruncate
+24 common readv sys_readv
+25 common writev sys_writev
+26 common fsync sys_fsync
+27 common fdatasync sys_fdatasync
+28 common truncate64 sys_truncate64
+29 common ftruncate64 sys_ftruncate64
+30 common pread64 sys_pread64
+31 common pwrite64 sys_pwrite64
+32 common link sys_link
+33 common rename sys_rename
+34 common symlink sys_symlink
+35 common readlink sys_readlink
+36 common mknod sys_mknod
+37 common pipe sys_pipe
+38 common unlink sys_unlink
+39 common rmdir sys_rmdir
+40 common mkdir sys_mkdir
+41 common chdir sys_chdir
+42 common fchdir sys_fchdir
+43 common getcwd sys_getcwd
+44 common chmod sys_chmod
+45 common chown sys_chown
+46 common stat sys_newstat
+47 common stat64 sys_stat64
+48 common lchown sys_lchown
+49 common lstat sys_newlstat
+50 common lstat64 sys_lstat64
+51 common available51 sys_ni_syscall
+52 common fchmod sys_fchmod
+53 common fchown sys_fchown
+54 common fstat sys_newfstat
+55 common fstat64 sys_fstat64
+56 common flock sys_flock
+57 common access sys_access
+58 common umask sys_umask
+59 common getdents sys_getdents
+60 common getdents64 sys_getdents64
+61 common fcntl64 sys_fcntl64
+62 common fallocate sys_fallocate
+63 common fadvise64_64 xtensa_fadvise64_64
+64 common utime sys_utime32
+65 common utimes sys_utimes_time32
+66 common ioctl sys_ioctl
+67 common fcntl sys_fcntl
+68 common setxattr sys_setxattr
+69 common getxattr sys_getxattr
+70 common listxattr sys_listxattr
+71 common removexattr sys_removexattr
+72 common lsetxattr sys_lsetxattr
+73 common lgetxattr sys_lgetxattr
+74 common llistxattr sys_llistxattr
+75 common lremovexattr sys_lremovexattr
+76 common fsetxattr sys_fsetxattr
+77 common fgetxattr sys_fgetxattr
+78 common flistxattr sys_flistxattr
+79 common fremovexattr sys_fremovexattr
+# File Map / Shared Memory Operations
+80 common mmap2 sys_mmap_pgoff
+81 common munmap sys_munmap
+82 common mprotect sys_mprotect
+83 common brk sys_brk
+84 common mlock sys_mlock
+85 common munlock sys_munlock
+86 common mlockall sys_mlockall
+87 common munlockall sys_munlockall
+88 common mremap sys_mremap
+89 common msync sys_msync
+90 common mincore sys_mincore
+91 common madvise sys_madvise
+92 common shmget sys_shmget
+93 common shmat xtensa_shmat
+94 common shmctl sys_old_shmctl
+95 common shmdt sys_shmdt
+# Socket Operations
+96 common socket sys_socket
+97 common setsockopt sys_setsockopt
+98 common getsockopt sys_getsockopt
+99 common shutdown sys_shutdown
+100 common bind sys_bind
+101 common connect sys_connect
+102 common listen sys_listen
+103 common accept sys_accept
+104 common getsockname sys_getsockname
+105 common getpeername sys_getpeername
+106 common sendmsg sys_sendmsg
+107 common recvmsg sys_recvmsg
+108 common send sys_send
+109 common recv sys_recv
+110 common sendto sys_sendto
+111 common recvfrom sys_recvfrom
+112 common socketpair sys_socketpair
+113 common sendfile sys_sendfile
+114 common sendfile64 sys_sendfile64
+115 common sendmmsg sys_sendmmsg
+# Process Operations
+116 common clone sys_clone
+117 common execve sys_execve
+118 common exit sys_exit
+119 common exit_group sys_exit_group
+120 common getpid sys_getpid
+121 common wait4 sys_wait4
+122 common waitid sys_waitid
+123 common kill sys_kill
+124 common tkill sys_tkill
+125 common tgkill sys_tgkill
+126 common set_tid_address sys_set_tid_address
+127 common gettid sys_gettid
+128 common setsid sys_setsid
+129 common getsid sys_getsid
+130 common prctl sys_prctl
+131 common personality sys_personality
+132 common getpriority sys_getpriority
+133 common setpriority sys_setpriority
+134 common setitimer sys_setitimer
+135 common getitimer sys_getitimer
+136 common setuid sys_setuid
+137 common getuid sys_getuid
+138 common setgid sys_setgid
+139 common getgid sys_getgid
+140 common geteuid sys_geteuid
+141 common getegid sys_getegid
+142 common setreuid sys_setreuid
+143 common setregid sys_setregid
+144 common setresuid sys_setresuid
+145 common getresuid sys_getresuid
+146 common setresgid sys_setresgid
+147 common getresgid sys_getresgid
+148 common setpgid sys_setpgid
+149 common getpgid sys_getpgid
+150 common getppid sys_getppid
+151 common getpgrp sys_getpgrp
+# 152 was set_thread_area
+152 common reserved152 sys_ni_syscall
+# 153 was get_thread_area
+153 common reserved153 sys_ni_syscall
+154 common times sys_times
+155 common acct sys_acct
+156 common sched_setaffinity sys_sched_setaffinity
+157 common sched_getaffinity sys_sched_getaffinity
+158 common capget sys_capget
+159 common capset sys_capset
+160 common ptrace sys_ptrace
+161 common semtimedop sys_semtimedop_time32
+162 common semget sys_semget
+163 common semop sys_semop
+164 common semctl sys_old_semctl
+165 common available165 sys_ni_syscall
+166 common msgget sys_msgget
+167 common msgsnd sys_msgsnd
+168 common msgrcv sys_msgrcv
+169 common msgctl sys_old_msgctl
+170 common available170 sys_ni_syscall
+# File System
+171 common umount2 sys_umount
+172 common mount sys_mount
+173 common swapon sys_swapon
+174 common chroot sys_chroot
+175 common pivot_root sys_pivot_root
+176 common umount sys_oldumount
+177 common swapoff sys_swapoff
+178 common sync sys_sync
+179 common syncfs sys_syncfs
+180 common setfsuid sys_setfsuid
+181 common setfsgid sys_setfsgid
+182 common sysfs sys_sysfs
+183 common ustat sys_ustat
+184 common statfs sys_statfs
+185 common fstatfs sys_fstatfs
+186 common statfs64 sys_statfs64
+187 common fstatfs64 sys_fstatfs64
+# System
+188 common setrlimit sys_setrlimit
+189 common getrlimit sys_getrlimit
+190 common getrusage sys_getrusage
+191 common futex sys_futex_time32
+192 common gettimeofday sys_gettimeofday
+193 common settimeofday sys_settimeofday
+194 common adjtimex sys_adjtimex_time32
+195 common nanosleep sys_nanosleep_time32
+196 common getgroups sys_getgroups
+197 common setgroups sys_setgroups
+198 common sethostname sys_sethostname
+199 common setdomainname sys_setdomainname
+200 common syslog sys_syslog
+201 common vhangup sys_vhangup
+202 common uselib sys_uselib
+203 common reboot sys_reboot
+204 common quotactl sys_quotactl
+# 205 was old nfsservctl
+205 common nfsservctl sys_ni_syscall
+206 common _sysctl sys_ni_syscall
+207 common bdflush sys_ni_syscall
+208 common uname sys_newuname
+209 common sysinfo sys_sysinfo
+210 common init_module sys_init_module
+211 common delete_module sys_delete_module
+212 common sched_setparam sys_sched_setparam
+213 common sched_getparam sys_sched_getparam
+214 common sched_setscheduler sys_sched_setscheduler
+215 common sched_getscheduler sys_sched_getscheduler
+216 common sched_get_priority_max sys_sched_get_priority_max
+217 common sched_get_priority_min sys_sched_get_priority_min
+218 common sched_rr_get_interval sys_sched_rr_get_interval_time32
+219 common sched_yield sys_sched_yield
+222 common available222 sys_ni_syscall
+# Signal Handling
+223 common restart_syscall sys_restart_syscall
+224 common sigaltstack sys_sigaltstack
+225 common rt_sigreturn xtensa_rt_sigreturn
+226 common rt_sigaction sys_rt_sigaction
+227 common rt_sigprocmask sys_rt_sigprocmask
+228 common rt_sigpending sys_rt_sigpending
+229 common rt_sigtimedwait sys_rt_sigtimedwait_time32
+230 common rt_sigqueueinfo sys_rt_sigqueueinfo
+231 common rt_sigsuspend sys_rt_sigsuspend
+# Message
+232 common mq_open sys_mq_open
+233 common mq_unlink sys_mq_unlink
+234 common mq_timedsend sys_mq_timedsend_time32
+235 common mq_timedreceive sys_mq_timedreceive_time32
+236 common mq_notify sys_mq_notify
+237 common mq_getsetattr sys_mq_getsetattr
+238 common available238 sys_ni_syscall
+239 common io_setup sys_io_setup
+# IO
+240 common io_destroy sys_io_destroy
+241 common io_submit sys_io_submit
+242 common io_getevents sys_io_getevents_time32
+243 common io_cancel sys_io_cancel
+244 common clock_settime sys_clock_settime32
+245 common clock_gettime sys_clock_gettime32
+246 common clock_getres sys_clock_getres_time32
+247 common clock_nanosleep sys_clock_nanosleep_time32
+# Timer
+248 common timer_create sys_timer_create
+249 common timer_delete sys_timer_delete
+250 common timer_settime sys_timer_settime32
+251 common timer_gettime sys_timer_gettime32
+252 common timer_getoverrun sys_timer_getoverrun
+# System
+253 common reserved253 sys_ni_syscall
+254 common lookup_dcookie sys_ni_syscall
+255 common available255 sys_ni_syscall
+256 common add_key sys_add_key
+257 common request_key sys_request_key
+258 common keyctl sys_keyctl
+259 common available259 sys_ni_syscall
+260 common readahead sys_readahead
+261 common remap_file_pages sys_remap_file_pages
+262 common migrate_pages sys_migrate_pages
+263 common mbind sys_mbind
+264 common get_mempolicy sys_get_mempolicy
+265 common set_mempolicy sys_set_mempolicy
+266 common unshare sys_unshare
+267 common move_pages sys_move_pages
+268 common splice sys_splice
+269 common tee sys_tee
+270 common vmsplice sys_vmsplice
+271 common available271 sys_ni_syscall
+272 common pselect6 sys_pselect6_time32
+273 common ppoll sys_ppoll_time32
+274 common epoll_pwait sys_epoll_pwait
+275 common epoll_create1 sys_epoll_create1
+276 common inotify_init sys_inotify_init
+277 common inotify_add_watch sys_inotify_add_watch
+278 common inotify_rm_watch sys_inotify_rm_watch
+279 common inotify_init1 sys_inotify_init1
+280 common getcpu sys_getcpu
+281 common kexec_load sys_ni_syscall
+282 common ioprio_set sys_ioprio_set
+283 common ioprio_get sys_ioprio_get
+284 common set_robust_list sys_set_robust_list
+285 common get_robust_list sys_get_robust_list
+286 common available286 sys_ni_syscall
+287 common available287 sys_ni_syscall
+# Relative File Operations
+288 common openat sys_openat
+289 common mkdirat sys_mkdirat
+290 common mknodat sys_mknodat
+291 common unlinkat sys_unlinkat
+292 common renameat sys_renameat
+293 common linkat sys_linkat
+294 common symlinkat sys_symlinkat
+295 common readlinkat sys_readlinkat
+296 common utimensat sys_utimensat_time32
+297 common fchownat sys_fchownat
+298 common futimesat sys_futimesat_time32
+299 common fstatat64 sys_fstatat64
+300 common fchmodat sys_fchmodat
+301 common faccessat sys_faccessat
+302 common available302 sys_ni_syscall
+303 common available303 sys_ni_syscall
+304 common signalfd sys_signalfd
+# 305 was timerfd
+306 common eventfd sys_eventfd
+307 common recvmmsg sys_recvmmsg_time32
+308 common setns sys_setns
+309 common signalfd4 sys_signalfd4
+310 common dup3 sys_dup3
+311 common pipe2 sys_pipe2
+312 common timerfd_create sys_timerfd_create
+313 common timerfd_settime sys_timerfd_settime32
+314 common timerfd_gettime sys_timerfd_gettime32
+315 common available315 sys_ni_syscall
+316 common eventfd2 sys_eventfd2
+317 common preadv sys_preadv
+318 common pwritev sys_pwritev
+319 common available319 sys_ni_syscall
+320 common fanotify_init sys_fanotify_init
+321 common fanotify_mark sys_fanotify_mark
+322 common process_vm_readv sys_process_vm_readv
+323 common process_vm_writev sys_process_vm_writev
+324 common name_to_handle_at sys_name_to_handle_at
+325 common open_by_handle_at sys_open_by_handle_at
+326 common sync_file_range2 sys_sync_file_range2
+327 common perf_event_open sys_perf_event_open
+328 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
+329 common clock_adjtime sys_clock_adjtime32
+330 common prlimit64 sys_prlimit64
+331 common kcmp sys_kcmp
+332 common finit_module sys_finit_module
+333 common accept4 sys_accept4
+334 common sched_setattr sys_sched_setattr
+335 common sched_getattr sys_sched_getattr
+336 common renameat2 sys_renameat2
+337 common seccomp sys_seccomp
+338 common getrandom sys_getrandom
+339 common memfd_create sys_memfd_create
+340 common bpf sys_bpf
+341 common execveat sys_execveat
+342 common userfaultfd sys_userfaultfd
+343 common membarrier sys_membarrier
+344 common mlock2 sys_mlock2
+345 common copy_file_range sys_copy_file_range
+346 common preadv2 sys_preadv2
+347 common pwritev2 sys_pwritev2
+348 common pkey_mprotect sys_pkey_mprotect
+349 common pkey_alloc sys_pkey_alloc
+350 common pkey_free sys_pkey_free
+351 common statx sys_statx
+352 common rseq sys_rseq
+# 353 through 402 are unassigned to sync up with generic numbers
+403 common clock_gettime64 sys_clock_gettime
+404 common clock_settime64 sys_clock_settime
+405 common clock_adjtime64 sys_clock_adjtime
+406 common clock_getres_time64 sys_clock_getres
+407 common clock_nanosleep_time64 sys_clock_nanosleep
+408 common timer_gettime64 sys_timer_gettime
+409 common timer_settime64 sys_timer_settime
+410 common timerfd_gettime64 sys_timerfd_gettime
+411 common timerfd_settime64 sys_timerfd_settime
+412 common utimensat_time64 sys_utimensat
+413 common pselect6_time64 sys_pselect6
+414 common ppoll_time64 sys_ppoll
+416 common io_pgetevents_time64 sys_io_pgetevents
+417 common recvmmsg_time64 sys_recvmmsg
+418 common mq_timedsend_time64 sys_mq_timedsend
+419 common mq_timedreceive_time64 sys_mq_timedreceive
+420 common semtimedop_time64 sys_semtimedop
+421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait
+422 common futex_time64 sys_futex
+423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register
+428 common open_tree sys_open_tree
+429 common move_mount sys_move_mount
+430 common fsopen sys_fsopen
+431 common fsconfig sys_fsconfig
+432 common fsmount sys_fsmount
+433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
+435 common clone3 sys_clone3
+436 common close_range sys_close_range
+437 common openat2 sys_openat2
+438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
+440 common process_madvise sys_process_madvise
+441 common epoll_pwait2 sys_epoll_pwait2
+442 common mount_setattr sys_mount_setattr
+443 common quotactl_fd sys_quotactl_fd
+444 common landlock_create_ruleset sys_landlock_create_ruleset
+445 common landlock_add_rule sys_landlock_add_rule
+446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
+449 common futex_waitv sys_futex_waitv
+450 common set_mempolicy_home_node sys_set_mempolicy_home_node
+451 common cachestat sys_cachestat
+452 common fchmodat2 sys_fchmodat2
+453 common map_shadow_stack sys_map_shadow_stack
+454 common futex_wake sys_futex_wake
+455 common futex_wait sys_futex_wait
+456 common futex_requeue sys_futex_requeue
+457 common statmount sys_statmount
+458 common listmount sys_listmount
+459 common lsm_get_self_attr sys_lsm_get_self_attr
+460 common lsm_set_self_attr sys_lsm_set_self_attr
+461 common lsm_list_modules sys_lsm_list_modules
+462 common mseal sys_mseal
+463 common setxattrat sys_setxattrat
+464 common getxattrat sys_getxattrat
+465 common listxattrat sys_listxattrat
+466 common removexattrat sys_removexattrat
+467 common open_tree_attr sys_open_tree_attr
+468 common file_getattr sys_file_getattr
+469 common file_setattr sys_file_setattr
diff --git a/tools/perf/arch/xtensa/include/dwarf-regs-table.h b/tools/perf/arch/xtensa/include/dwarf-regs-table.h
index aa0444a33fe6..d7c9f1fb4444 100644
--- a/tools/perf/arch/xtensa/include/dwarf-regs-table.h
+++ b/tools/perf/arch/xtensa/include/dwarf-regs-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef DEFINE_DWARF_REGSTR_TABLE
/* This is included in perf/util/dwarf-regs.c */
diff --git a/tools/perf/arch/xtensa/util/Build b/tools/perf/arch/xtensa/util/Build
deleted file mode 100644
index 954e287bbb89..000000000000
--- a/tools/perf/arch/xtensa/util/Build
+++ /dev/null
@@ -1 +0,0 @@
-libperf-$(CONFIG_DWARF) += dwarf-regs.o
diff --git a/tools/perf/arch/xtensa/util/dwarf-regs.c b/tools/perf/arch/xtensa/util/dwarf-regs.c
deleted file mode 100644
index 4dba76bfb4ce..000000000000
--- a/tools/perf/arch/xtensa/util/dwarf-regs.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Mapping of DWARF debug register numbers into register names.
- *
- * Copyright (c) 2015 Cadence Design Systems Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <stddef.h>
-#include <dwarf-regs.h>
-
-#define XTENSA_MAX_REGS 16
-
-const char *xtensa_regs_table[XTENSA_MAX_REGS] = {
- "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
- "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15",
-};
-
-const char *get_arch_regstr(unsigned int n)
-{
- return n < XTENSA_MAX_REGS ? xtensa_regs_table[n] : NULL;
-}
diff --git a/tools/perf/bench/Build b/tools/perf/bench/Build
index 60bf11943047..b558ab98719f 100644
--- a/tools/perf/bench/Build
+++ b/tools/perf/bench/Build
@@ -1,13 +1,26 @@
-perf-y += sched-messaging.o
-perf-y += sched-pipe.o
-perf-y += mem-functions.o
-perf-y += futex-hash.o
-perf-y += futex-wake.o
-perf-y += futex-wake-parallel.o
-perf-y += futex-requeue.o
-perf-y += futex-lock-pi.o
+perf-bench-y += sched-messaging.o
+perf-bench-y += sched-pipe.o
+perf-bench-y += sched-seccomp-notify.o
+perf-bench-y += syscall.o
+perf-bench-y += mem-functions.o
+perf-bench-y += futex.o
+perf-bench-y += futex-hash.o
+perf-bench-y += futex-wake.o
+perf-bench-y += futex-wake-parallel.o
+perf-bench-y += futex-requeue.o
+perf-bench-y += futex-lock-pi.o
+perf-bench-y += epoll-wait.o
+perf-bench-y += epoll-ctl.o
+perf-bench-y += synthesize.o
+perf-bench-y += kallsyms-parse.o
+perf-bench-y += find-bit-bench.o
+perf-bench-y += inject-buildid.o
+perf-bench-y += evlist-open-close.o
+perf-bench-y += breakpoint.o
+perf-bench-y += pmu-scan.o
+perf-bench-y += uprobe.o
-perf-$(CONFIG_X86_64) += mem-memcpy-x86-64-asm.o
-perf-$(CONFIG_X86_64) += mem-memset-x86-64-asm.o
+perf-bench-$(CONFIG_X86_64) += mem-memcpy-x86-64-asm.o
+perf-bench-$(CONFIG_X86_64) += mem-memset-x86-64-asm.o
-perf-$(CONFIG_NUMA) += numa.o
+perf-bench-$(CONFIG_NUMA) += numa.o
diff --git a/tools/perf/bench/bench.h b/tools/perf/bench/bench.h
index 842ab2781cdc..8519eb5a42fa 100644
--- a/tools/perf/bench/bench.h
+++ b/tools/perf/bench/bench.h
@@ -1,41 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BENCH_H
#define BENCH_H
+#include <sys/time.h>
+
+extern struct timeval bench__start, bench__end, bench__runtime;
+
/*
* The madvise transparent hugepage constants were added in glibc
* 2.13. For compatibility with older versions of glibc, define these
* tokens if they are not already defined.
- *
- * PA-RISC uses different madvise values from other architectures and
- * needs to be special-cased.
*/
-#ifdef __hppa__
-# ifndef MADV_HUGEPAGE
-# define MADV_HUGEPAGE 67
-# endif
-# ifndef MADV_NOHUGEPAGE
-# define MADV_NOHUGEPAGE 68
-# endif
-#else
# ifndef MADV_HUGEPAGE
# define MADV_HUGEPAGE 14
# endif
# ifndef MADV_NOHUGEPAGE
# define MADV_NOHUGEPAGE 15
# endif
-#endif
int bench_numa(int argc, const char **argv);
int bench_sched_messaging(int argc, const char **argv);
int bench_sched_pipe(int argc, const char **argv);
+int bench_sched_seccomp_notify(int argc, const char **argv);
+int bench_syscall_basic(int argc, const char **argv);
+int bench_syscall_getpgid(int argc, const char **argv);
+int bench_syscall_fork(int argc, const char **argv);
+int bench_syscall_execve(int argc, const char **argv);
int bench_mem_memcpy(int argc, const char **argv);
int bench_mem_memset(int argc, const char **argv);
+int bench_mem_mmap(int argc, const char **argv);
+int bench_mem_find_bit(int argc, const char **argv);
int bench_futex_hash(int argc, const char **argv);
int bench_futex_wake(int argc, const char **argv);
int bench_futex_wake_parallel(int argc, const char **argv);
int bench_futex_requeue(int argc, const char **argv);
/* pi futexes */
int bench_futex_lock_pi(int argc, const char **argv);
+int bench_epoll_wait(int argc, const char **argv);
+int bench_epoll_ctl(int argc, const char **argv);
+int bench_synthesize(int argc, const char **argv);
+int bench_kallsyms_parse(int argc, const char **argv);
+int bench_inject_build_id(int argc, const char **argv);
+int bench_evlist_open_close(int argc, const char **argv);
+int bench_breakpoint_thread(int argc, const char **argv);
+int bench_breakpoint_enable(int argc, const char **argv);
+int bench_uprobe_baseline(int argc, const char **argv);
+int bench_uprobe_empty(int argc, const char **argv);
+int bench_uprobe_trace_printk(int argc, const char **argv);
+int bench_uprobe_empty_ret(int argc, const char **argv);
+int bench_uprobe_trace_printk_ret(int argc, const char **argv);
+int bench_pmu_scan(int argc, const char **argv);
#define BENCH_FORMAT_DEFAULT_STR "default"
#define BENCH_FORMAT_DEFAULT 0
@@ -47,4 +61,15 @@ int bench_futex_lock_pi(int argc, const char **argv);
extern int bench_format;
extern unsigned int bench_repeat;
+#ifndef HAVE_PTHREAD_ATTR_SETAFFINITY_NP
+#include <pthread.h>
+#include <linux/compiler.h>
+static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr __maybe_unused,
+ size_t cpusetsize __maybe_unused,
+ cpu_set_t *cpuset __maybe_unused)
+{
+ return 0;
+}
+#endif
+
#endif
diff --git a/tools/perf/bench/breakpoint.c b/tools/perf/bench/breakpoint.c
new file mode 100644
index 000000000000..dfd18f5db97d
--- /dev/null
+++ b/tools/perf/bench/breakpoint.c
@@ -0,0 +1,262 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <subcmd/parse-options.h>
+#include <linux/hw_breakpoint.h>
+#include <linux/perf_event.h>
+#include <linux/time64.h>
+#include <sys/syscall.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <pthread.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+#include "bench.h"
+#include "futex.h"
+
+struct {
+ unsigned int nbreakpoints;
+ unsigned int nparallel;
+ unsigned int nthreads;
+} thread_params = {
+ .nbreakpoints = 1,
+ .nparallel = 1,
+ .nthreads = 1,
+};
+
+static const struct option thread_options[] = {
+ OPT_UINTEGER('b', "breakpoints", &thread_params.nbreakpoints,
+ "Specify amount of breakpoints"),
+ OPT_UINTEGER('p', "parallelism", &thread_params.nparallel, "Specify amount of parallelism"),
+ OPT_UINTEGER('t', "threads", &thread_params.nthreads, "Specify amount of threads"),
+ OPT_END()
+};
+
+static const char * const thread_usage[] = {
+ "perf bench breakpoint thread <options>",
+ NULL
+};
+
+struct breakpoint {
+ int fd;
+ char watched;
+};
+
+static int breakpoint_setup(void *addr)
+{
+ struct perf_event_attr attr = { .size = 0, };
+ int fd;
+
+ attr.type = PERF_TYPE_BREAKPOINT;
+ attr.size = sizeof(attr);
+ attr.inherit = 1;
+ attr.exclude_kernel = 1;
+ attr.exclude_hv = 1;
+ attr.bp_addr = (unsigned long)addr;
+ attr.bp_type = HW_BREAKPOINT_RW;
+ attr.bp_len = HW_BREAKPOINT_LEN_1;
+ fd = syscall(SYS_perf_event_open, &attr, 0, -1, -1, 0);
+
+ if (fd < 0)
+ fd = -errno;
+
+ return fd;
+}
+
+static void *passive_thread(void *arg)
+{
+ unsigned int *done = (unsigned int *)arg;
+
+ while (!__atomic_load_n(done, __ATOMIC_RELAXED))
+ futex_wait(done, 0, NULL, 0);
+ return NULL;
+}
+
+static void *active_thread(void *arg)
+{
+ unsigned int *done = (unsigned int *)arg;
+
+ while (!__atomic_load_n(done, __ATOMIC_RELAXED));
+ return NULL;
+}
+
+static void *breakpoint_thread(void *arg)
+{
+ unsigned int i, done;
+ int *repeat = (int *)arg;
+ pthread_t *threads;
+
+ threads = calloc(thread_params.nthreads, sizeof(threads[0]));
+ if (!threads)
+ exit((perror("calloc"), EXIT_FAILURE));
+
+ while (__atomic_fetch_sub(repeat, 1, __ATOMIC_RELAXED) > 0) {
+ done = 0;
+ for (i = 0; i < thread_params.nthreads; i++) {
+ if (pthread_create(&threads[i], NULL, passive_thread, &done))
+ exit((perror("pthread_create"), EXIT_FAILURE));
+ }
+ __atomic_store_n(&done, 1, __ATOMIC_RELAXED);
+ futex_wake(&done, thread_params.nthreads, 0);
+ for (i = 0; i < thread_params.nthreads; i++)
+ pthread_join(threads[i], NULL);
+ }
+ free(threads);
+ return NULL;
+}
+
+// The benchmark creates nbreakpoints inheritable breakpoints,
+// then starts nparallel threads which create and join bench_repeat batches of nthreads threads.
+int bench_breakpoint_thread(int argc, const char **argv)
+{
+ unsigned int i, result_usec;
+ int repeat = bench_repeat;
+ struct breakpoint *breakpoints;
+ pthread_t *parallel;
+ struct timeval start, stop, diff;
+
+ if (parse_options(argc, argv, thread_options, thread_usage, 0)) {
+ usage_with_options(thread_usage, thread_options);
+ exit(EXIT_FAILURE);
+ }
+ breakpoints = calloc(thread_params.nbreakpoints, sizeof(breakpoints[0]));
+ parallel = calloc(thread_params.nparallel, sizeof(parallel[0]));
+ if (!breakpoints || !parallel)
+ exit((perror("calloc"), EXIT_FAILURE));
+
+ for (i = 0; i < thread_params.nbreakpoints; i++) {
+ breakpoints[i].fd = breakpoint_setup(&breakpoints[i].watched);
+
+ if (breakpoints[i].fd < 0) {
+ if (breakpoints[i].fd == -ENODEV) {
+ printf("Skipping perf bench breakpoint thread: No hardware support\n");
+ return 0;
+ }
+ exit((perror("perf_event_open"), EXIT_FAILURE));
+ }
+ }
+ gettimeofday(&start, NULL);
+ for (i = 0; i < thread_params.nparallel; i++) {
+ if (pthread_create(&parallel[i], NULL, breakpoint_thread, &repeat))
+ exit((perror("pthread_create"), EXIT_FAILURE));
+ }
+ for (i = 0; i < thread_params.nparallel; i++)
+ pthread_join(parallel[i], NULL);
+ gettimeofday(&stop, NULL);
+ timersub(&stop, &start, &diff);
+ for (i = 0; i < thread_params.nbreakpoints; i++)
+ close(breakpoints[i].fd);
+ free(parallel);
+ free(breakpoints);
+ switch (bench_format) {
+ case BENCH_FORMAT_DEFAULT:
+ printf("# Created/joined %d threads with %d breakpoints and %d parallelism\n",
+ bench_repeat, thread_params.nbreakpoints, thread_params.nparallel);
+ printf(" %14s: %lu.%03lu [sec]\n\n", "Total time",
+ (long)diff.tv_sec, (long)(diff.tv_usec / USEC_PER_MSEC));
+ result_usec = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ printf(" %14lf usecs/op\n",
+ (double)result_usec / bench_repeat / thread_params.nthreads);
+ printf(" %14lf usecs/op/cpu\n",
+ (double)result_usec / bench_repeat /
+ thread_params.nthreads * thread_params.nparallel);
+ break;
+ case BENCH_FORMAT_SIMPLE:
+ printf("%lu.%03lu\n", (long)diff.tv_sec, (long)(diff.tv_usec / USEC_PER_MSEC));
+ break;
+ default:
+ fprintf(stderr, "Unknown format: %d\n", bench_format);
+ exit(EXIT_FAILURE);
+ }
+ return 0;
+}
+
+struct {
+ unsigned int npassive;
+ unsigned int nactive;
+} enable_params = {
+ .nactive = 0,
+ .npassive = 0,
+};
+
+static const struct option enable_options[] = {
+ OPT_UINTEGER('p', "passive", &enable_params.npassive, "Specify amount of passive threads"),
+ OPT_UINTEGER('a', "active", &enable_params.nactive, "Specify amount of active threads"),
+ OPT_END()
+};
+
+static const char * const enable_usage[] = {
+ "perf bench breakpoint enable <options>",
+ NULL
+};
+
+// The benchmark creates an inheritable breakpoint,
+// then starts npassive threads that block and nactive threads that actively spin
+// and then disables and enables the breakpoint bench_repeat times.
+int bench_breakpoint_enable(int argc, const char **argv)
+{
+ unsigned int i, nthreads, result_usec, done = 0;
+ char watched;
+ int fd;
+ pthread_t *threads;
+ struct timeval start, stop, diff;
+
+ if (parse_options(argc, argv, enable_options, enable_usage, 0)) {
+ usage_with_options(enable_usage, enable_options);
+ exit(EXIT_FAILURE);
+ }
+ fd = breakpoint_setup(&watched);
+
+ if (fd < 0) {
+ if (fd == -ENODEV) {
+ printf("Skipping perf bench breakpoint enable: No hardware support\n");
+ return 0;
+ }
+ exit((perror("perf_event_open"), EXIT_FAILURE));
+ }
+ nthreads = enable_params.npassive + enable_params.nactive;
+ threads = calloc(nthreads, sizeof(threads[0]));
+ if (!threads)
+ exit((perror("calloc"), EXIT_FAILURE));
+
+ for (i = 0; i < nthreads; i++) {
+ if (pthread_create(&threads[i], NULL,
+ i < enable_params.npassive ? passive_thread : active_thread, &done))
+ exit((perror("pthread_create"), EXIT_FAILURE));
+ }
+ usleep(10000); // let the threads block
+ gettimeofday(&start, NULL);
+ for (i = 0; i < bench_repeat; i++) {
+ if (ioctl(fd, PERF_EVENT_IOC_DISABLE, 0))
+ exit((perror("ioctl(PERF_EVENT_IOC_DISABLE)"), EXIT_FAILURE));
+ if (ioctl(fd, PERF_EVENT_IOC_ENABLE, 0))
+ exit((perror("ioctl(PERF_EVENT_IOC_ENABLE)"), EXIT_FAILURE));
+ }
+ gettimeofday(&stop, NULL);
+ timersub(&stop, &start, &diff);
+ __atomic_store_n(&done, 1, __ATOMIC_RELAXED);
+ futex_wake(&done, enable_params.npassive, 0);
+ for (i = 0; i < nthreads; i++)
+ pthread_join(threads[i], NULL);
+ free(threads);
+ close(fd);
+ switch (bench_format) {
+ case BENCH_FORMAT_DEFAULT:
+ printf("# Enabled/disabled breakpoint %d time with %d passive and %d active threads\n",
+ bench_repeat, enable_params.npassive, enable_params.nactive);
+ printf(" %14s: %lu.%03lu [sec]\n\n", "Total time",
+ (long)diff.tv_sec, (long)(diff.tv_usec / USEC_PER_MSEC));
+ result_usec = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ printf(" %14lf usecs/op\n", (double)result_usec / bench_repeat);
+ break;
+ case BENCH_FORMAT_SIMPLE:
+ printf("%lu.%03lu\n", (long)diff.tv_sec, (long)(diff.tv_usec / USEC_PER_MSEC));
+ break;
+ default:
+ fprintf(stderr, "Unknown format: %d\n", bench_format);
+ exit(EXIT_FAILURE);
+ }
+ return 0;
+}
diff --git a/tools/perf/bench/epoll-ctl.c b/tools/perf/bench/epoll-ctl.c
new file mode 100644
index 000000000000..d66d852b90e4
--- /dev/null
+++ b/tools/perf/bench/epoll-ctl.c
@@ -0,0 +1,433 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 Davidlohr Bueso.
+ *
+ * Benchmark the various operations allowed for epoll_ctl(2).
+ * The idea is to concurrently stress a single epoll instance
+ */
+#ifdef HAVE_EVENTFD_SUPPORT
+/* For the CLR_() macros */
+#include <string.h>
+#include <pthread.h>
+
+#include <errno.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <linux/compiler.h>
+#include <linux/kernel.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/epoll.h>
+#include <sys/eventfd.h>
+#include <perf/cpumap.h>
+
+#include "../util/mutex.h"
+#include "../util/stat.h"
+#include <subcmd/parse-options.h>
+#include "bench.h"
+
+#include <err.h>
+
+#define printinfo(fmt, arg...) \
+ do { if (__verbose) printf(fmt, ## arg); } while (0)
+
+static unsigned int nthreads = 0;
+static unsigned int nsecs = 8;
+static bool done, __verbose, randomize;
+
+/*
+ * epoll related shared variables.
+ */
+
+/* Maximum number of nesting allowed inside epoll sets */
+#define EPOLL_MAXNESTS 4
+
+enum {
+ OP_EPOLL_ADD,
+ OP_EPOLL_MOD,
+ OP_EPOLL_DEL,
+ EPOLL_NR_OPS,
+};
+
+static int epollfd;
+static int *epollfdp;
+static bool noaffinity;
+static unsigned int nested = 0;
+
+/* amount of fds to monitor, per thread */
+static unsigned int nfds = 64;
+
+static struct mutex thread_lock;
+static unsigned int threads_starting;
+static struct stats all_stats[EPOLL_NR_OPS];
+static struct cond thread_parent, thread_worker;
+
+struct worker {
+ int tid;
+ pthread_t thread;
+ unsigned long ops[EPOLL_NR_OPS];
+ int *fdmap;
+};
+
+static const struct option options[] = {
+ OPT_UINTEGER('t', "threads", &nthreads, "Specify amount of threads"),
+ OPT_UINTEGER('r', "runtime", &nsecs, "Specify runtime (in seconds)"),
+ OPT_UINTEGER('f', "nfds", &nfds, "Specify amount of file descriptors to monitor for each thread"),
+ OPT_BOOLEAN( 'n', "noaffinity", &noaffinity, "Disables CPU affinity"),
+ OPT_UINTEGER( 'N', "nested", &nested, "Nesting level epoll hierarchy (default is 0, no nesting)"),
+ OPT_BOOLEAN( 'R', "randomize", &randomize, "Perform random operations on random fds"),
+ OPT_BOOLEAN( 'v', "verbose", &__verbose, "Verbose mode"),
+ OPT_END()
+};
+
+static const char * const bench_epoll_ctl_usage[] = {
+ "perf bench epoll ctl <options>",
+ NULL
+};
+
+static void toggle_done(int sig __maybe_unused,
+ siginfo_t *info __maybe_unused,
+ void *uc __maybe_unused)
+{
+ /* inform all threads that we're done for the day */
+ done = true;
+ gettimeofday(&bench__end, NULL);
+ timersub(&bench__end, &bench__start, &bench__runtime);
+}
+
+static void nest_epollfd(void)
+{
+ unsigned int i;
+ struct epoll_event ev;
+
+ if (nested > EPOLL_MAXNESTS)
+ nested = EPOLL_MAXNESTS;
+ printinfo("Nesting level(s): %d\n", nested);
+
+ epollfdp = calloc(nested, sizeof(int));
+ if (!epollfdp)
+ err(EXIT_FAILURE, "calloc");
+
+ for (i = 0; i < nested; i++) {
+ epollfdp[i] = epoll_create(1);
+ if (epollfd < 0)
+ err(EXIT_FAILURE, "epoll_create");
+ }
+
+ ev.events = EPOLLHUP; /* anything */
+ ev.data.u64 = i; /* any number */
+
+ for (i = nested - 1; i; i--) {
+ if (epoll_ctl(epollfdp[i - 1], EPOLL_CTL_ADD,
+ epollfdp[i], &ev) < 0)
+ err(EXIT_FAILURE, "epoll_ctl");
+ }
+
+ if (epoll_ctl(epollfd, EPOLL_CTL_ADD, *epollfdp, &ev) < 0)
+ err(EXIT_FAILURE, "epoll_ctl");
+}
+
+static inline void do_epoll_op(struct worker *w, int op, int fd)
+{
+ int error;
+ struct epoll_event ev;
+
+ ev.events = EPOLLIN;
+ ev.data.u64 = fd;
+
+ switch (op) {
+ case OP_EPOLL_ADD:
+ error = epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &ev);
+ break;
+ case OP_EPOLL_MOD:
+ ev.events = EPOLLOUT;
+ error = epoll_ctl(epollfd, EPOLL_CTL_MOD, fd, &ev);
+ break;
+ case OP_EPOLL_DEL:
+ error = epoll_ctl(epollfd, EPOLL_CTL_DEL, fd, NULL);
+ break;
+ default:
+ error = 1;
+ break;
+ }
+
+ if (!error)
+ w->ops[op]++;
+}
+
+static inline void do_random_epoll_op(struct worker *w)
+{
+ unsigned long rnd1 = random(), rnd2 = random();
+ int op, fd;
+
+ fd = w->fdmap[rnd1 % nfds];
+ op = rnd2 % EPOLL_NR_OPS;
+
+ do_epoll_op(w, op, fd);
+}
+
+static void *workerfn(void *arg)
+{
+ unsigned int i;
+ struct worker *w = (struct worker *) arg;
+ struct timespec ts = { .tv_sec = 0,
+ .tv_nsec = 250 };
+
+ mutex_lock(&thread_lock);
+ threads_starting--;
+ if (!threads_starting)
+ cond_signal(&thread_parent);
+ cond_wait(&thread_worker, &thread_lock);
+ mutex_unlock(&thread_lock);
+
+ /* Let 'em loose */
+ do {
+ /* random */
+ if (randomize) {
+ do_random_epoll_op(w);
+ } else {
+ for (i = 0; i < nfds; i++) {
+ do_epoll_op(w, OP_EPOLL_ADD, w->fdmap[i]);
+ do_epoll_op(w, OP_EPOLL_MOD, w->fdmap[i]);
+ do_epoll_op(w, OP_EPOLL_DEL, w->fdmap[i]);
+ }
+ }
+
+ nanosleep(&ts, NULL);
+ } while (!done);
+
+ return NULL;
+}
+
+static void init_fdmaps(struct worker *w, int pct)
+{
+ unsigned int i;
+ int inc;
+ struct epoll_event ev;
+
+ if (!pct)
+ return;
+
+ inc = 100/pct;
+ for (i = 0; i < nfds; i+=inc) {
+ ev.data.fd = w->fdmap[i];
+ ev.events = EPOLLIN;
+
+ if (epoll_ctl(epollfd, EPOLL_CTL_ADD, w->fdmap[i], &ev) < 0)
+ err(EXIT_FAILURE, "epoll_ct");
+ }
+}
+
+static int do_threads(struct worker *worker, struct perf_cpu_map *cpu)
+{
+ pthread_attr_t thread_attr, *attrp = NULL;
+ cpu_set_t *cpuset;
+ unsigned int i, j;
+ int ret = 0;
+ int nrcpus;
+ size_t size;
+
+ if (!noaffinity)
+ pthread_attr_init(&thread_attr);
+
+ nrcpus = cpu__max_cpu().cpu;
+ cpuset = CPU_ALLOC(nrcpus);
+ BUG_ON(!cpuset);
+ size = CPU_ALLOC_SIZE(nrcpus);
+
+ for (i = 0; i < nthreads; i++) {
+ struct worker *w = &worker[i];
+
+ w->tid = i;
+ w->fdmap = calloc(nfds, sizeof(int));
+ if (!w->fdmap)
+ return 1;
+
+ for (j = 0; j < nfds; j++) {
+ w->fdmap[j] = eventfd(0, EFD_NONBLOCK);
+ if (w->fdmap[j] < 0)
+ err(EXIT_FAILURE, "eventfd");
+ }
+
+ /*
+ * Lets add 50% of the fdmap to the epoll instance, and
+ * do it before any threads are started; otherwise there is
+ * an initial bias of the call failing (mod and del ops).
+ */
+ if (randomize)
+ init_fdmaps(w, 50);
+
+ if (!noaffinity) {
+ CPU_ZERO_S(size, cpuset);
+ CPU_SET_S(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu,
+ size, cpuset);
+
+ ret = pthread_attr_setaffinity_np(&thread_attr, size, cpuset);
+ if (ret) {
+ CPU_FREE(cpuset);
+ err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
+ }
+
+ attrp = &thread_attr;
+ }
+
+ ret = pthread_create(&w->thread, attrp, workerfn,
+ (void *)(struct worker *) w);
+ if (ret) {
+ CPU_FREE(cpuset);
+ err(EXIT_FAILURE, "pthread_create");
+ }
+ }
+
+ CPU_FREE(cpuset);
+ if (!noaffinity)
+ pthread_attr_destroy(&thread_attr);
+
+ return ret;
+}
+
+static void print_summary(void)
+{
+ int i;
+ unsigned long avg[EPOLL_NR_OPS];
+ double stddev[EPOLL_NR_OPS];
+
+ for (i = 0; i < EPOLL_NR_OPS; i++) {
+ avg[i] = avg_stats(&all_stats[i]);
+ stddev[i] = stddev_stats(&all_stats[i]);
+ }
+
+ printf("\nAveraged %ld ADD operations (+- %.2f%%)\n",
+ avg[OP_EPOLL_ADD], rel_stddev_stats(stddev[OP_EPOLL_ADD],
+ avg[OP_EPOLL_ADD]));
+ printf("Averaged %ld MOD operations (+- %.2f%%)\n",
+ avg[OP_EPOLL_MOD], rel_stddev_stats(stddev[OP_EPOLL_MOD],
+ avg[OP_EPOLL_MOD]));
+ printf("Averaged %ld DEL operations (+- %.2f%%)\n",
+ avg[OP_EPOLL_DEL], rel_stddev_stats(stddev[OP_EPOLL_DEL],
+ avg[OP_EPOLL_DEL]));
+}
+
+int bench_epoll_ctl(int argc, const char **argv)
+{
+ int j, ret = 0;
+ struct sigaction act;
+ struct worker *worker = NULL;
+ struct perf_cpu_map *cpu;
+ struct rlimit rl, prevrl;
+ unsigned int i;
+
+ argc = parse_options(argc, argv, options, bench_epoll_ctl_usage, 0);
+ if (argc) {
+ usage_with_options(bench_epoll_ctl_usage, options);
+ exit(EXIT_FAILURE);
+ }
+
+ memset(&act, 0, sizeof(act));
+ sigfillset(&act.sa_mask);
+ act.sa_sigaction = toggle_done;
+ sigaction(SIGINT, &act, NULL);
+
+ cpu = perf_cpu_map__new_online_cpus();
+ if (!cpu)
+ goto errmem;
+
+ /* a single, main epoll instance */
+ epollfd = epoll_create(1);
+ if (epollfd < 0)
+ err(EXIT_FAILURE, "epoll_create");
+
+ /*
+ * Deal with nested epolls, if any.
+ */
+ if (nested)
+ nest_epollfd();
+
+ /* default to the number of CPUs */
+ if (!nthreads)
+ nthreads = perf_cpu_map__nr(cpu);
+
+ worker = calloc(nthreads, sizeof(*worker));
+ if (!worker)
+ goto errmem;
+
+ if (getrlimit(RLIMIT_NOFILE, &prevrl))
+ err(EXIT_FAILURE, "getrlimit");
+ rl.rlim_cur = rl.rlim_max = nfds * nthreads * 2 + 50;
+ printinfo("Setting RLIMIT_NOFILE rlimit from %" PRIu64 " to: %" PRIu64 "\n",
+ (uint64_t)prevrl.rlim_max, (uint64_t)rl.rlim_max);
+ if (setrlimit(RLIMIT_NOFILE, &rl) < 0)
+ err(EXIT_FAILURE, "setrlimit");
+
+ printf("Run summary [PID %d]: %d threads doing epoll_ctl ops "
+ "%d file-descriptors for %d secs.\n\n",
+ getpid(), nthreads, nfds, nsecs);
+
+ for (i = 0; i < EPOLL_NR_OPS; i++)
+ init_stats(&all_stats[i]);
+
+ mutex_init(&thread_lock);
+ cond_init(&thread_parent);
+ cond_init(&thread_worker);
+
+ threads_starting = nthreads;
+
+ gettimeofday(&bench__start, NULL);
+
+ do_threads(worker, cpu);
+
+ mutex_lock(&thread_lock);
+ while (threads_starting)
+ cond_wait(&thread_parent, &thread_lock);
+ cond_broadcast(&thread_worker);
+ mutex_unlock(&thread_lock);
+
+ sleep(nsecs);
+ toggle_done(0, NULL, NULL);
+ printinfo("main thread: toggling done\n");
+
+ for (i = 0; i < nthreads; i++) {
+ ret = pthread_join(worker[i].thread, NULL);
+ if (ret)
+ err(EXIT_FAILURE, "pthread_join");
+ }
+
+ /* cleanup & report results */
+ cond_destroy(&thread_parent);
+ cond_destroy(&thread_worker);
+ mutex_destroy(&thread_lock);
+
+ for (i = 0; i < nthreads; i++) {
+ unsigned long t[EPOLL_NR_OPS];
+
+ for (j = 0; j < EPOLL_NR_OPS; j++) {
+ t[j] = worker[i].ops[j];
+ update_stats(&all_stats[j], t[j]);
+ }
+
+ if (nfds == 1)
+ printf("[thread %2d] fdmap: %p [ add: %04ld; mod: %04ld; del: %04lds ops ]\n",
+ worker[i].tid, &worker[i].fdmap[0],
+ t[OP_EPOLL_ADD], t[OP_EPOLL_MOD], t[OP_EPOLL_DEL]);
+ else
+ printf("[thread %2d] fdmap: %p ... %p [ add: %04ld ops; mod: %04ld ops; del: %04ld ops ]\n",
+ worker[i].tid, &worker[i].fdmap[0],
+ &worker[i].fdmap[nfds-1],
+ t[OP_EPOLL_ADD], t[OP_EPOLL_MOD], t[OP_EPOLL_DEL]);
+ }
+
+ print_summary();
+
+ close(epollfd);
+ perf_cpu_map__put(cpu);
+ for (i = 0; i < nthreads; i++)
+ free(worker[i].fdmap);
+
+ free(worker);
+ return ret;
+errmem:
+ err(EXIT_FAILURE, "calloc");
+}
+#endif // HAVE_EVENTFD_SUPPORT
diff --git a/tools/perf/bench/epoll-wait.c b/tools/perf/bench/epoll-wait.c
new file mode 100644
index 000000000000..20fe4f72b4af
--- /dev/null
+++ b/tools/perf/bench/epoll-wait.c
@@ -0,0 +1,566 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifdef HAVE_EVENTFD_SUPPORT
+/*
+ * Copyright (C) 2018 Davidlohr Bueso.
+ *
+ * This program benchmarks concurrent epoll_wait(2) monitoring multiple
+ * file descriptors under one or two load balancing models. The first,
+ * and default, is the single/combined queueing (which refers to a single
+ * epoll instance for N worker threads):
+ *
+ * |---> [worker A]
+ * |---> [worker B]
+ * [combined queue] .---> [worker C]
+ * |---> [worker D]
+ * |---> [worker E]
+ *
+ * While the second model, enabled via --multiq option, uses multiple
+ * queueing (which refers to one epoll instance per worker). For example,
+ * short lived tcp connections in a high throughput httpd server will
+ * distribute the accept()'ing connections across CPUs. In this case each
+ * worker does a limited amount of processing.
+ *
+ * [queue A] ---> [worker]
+ * [queue B] ---> [worker]
+ * [queue C] ---> [worker]
+ * [queue D] ---> [worker]
+ * [queue E] ---> [worker]
+ *
+ * Naturally, the single queue will enforce more concurrency on the epoll
+ * instance, and can therefore scale poorly compared to multiple queues.
+ * However, this is a benchmark raw data and must be taken with a grain of
+ * salt when choosing how to make use of sys_epoll.
+
+ * Each thread has a number of private, nonblocking file descriptors,
+ * referred to as fdmap. A writer thread will constantly be writing to
+ * the fdmaps of all threads, minimizing each threads's chances of
+ * epoll_wait not finding any ready read events and blocking as this
+ * is not what we want to stress. The size of the fdmap can be adjusted
+ * by the user; enlarging the value will increase the chances of
+ * epoll_wait(2) blocking as the lineal writer thread will take "longer",
+ * at least at a high level.
+ *
+ * Note that because fds are private to each thread, this workload does
+ * not stress scenarios where multiple tasks are awoken per ready IO; ie:
+ * EPOLLEXCLUSIVE semantics.
+ *
+ * The end result/metric is throughput: number of ops/second where an
+ * operation consists of:
+ *
+ * epoll_wait(2) + [others]
+ *
+ * ... where [others] is the cost of re-adding the fd (EPOLLET),
+ * or rearming it (EPOLLONESHOT).
+ *
+ *
+ * The purpose of this is program is that it be useful for measuring
+ * kernel related changes to the sys_epoll, and not comparing different
+ * IO polling methods, for example. Hence everything is very adhoc and
+ * outputs raw microbenchmark numbers. Also this uses eventfd, similar
+ * tools tend to use pipes or sockets, but the result is the same.
+ */
+
+/* For the CLR_() macros */
+#include <string.h>
+#include <pthread.h>
+#include <unistd.h>
+
+#include <errno.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <linux/compiler.h>
+#include <linux/kernel.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/epoll.h>
+#include <sys/eventfd.h>
+#include <sys/types.h>
+#include <perf/cpumap.h>
+
+#include "../util/stat.h"
+#include "../util/mutex.h"
+#include <subcmd/parse-options.h>
+#include "bench.h"
+
+#include <err.h>
+
+#define printinfo(fmt, arg...) \
+ do { if (__verbose) { printf(fmt, ## arg); fflush(stdout); } } while (0)
+
+static unsigned int nthreads = 0;
+static unsigned int nsecs = 8;
+static bool wdone, done, __verbose, randomize, nonblocking;
+
+/*
+ * epoll related shared variables.
+ */
+
+/* Maximum number of nesting allowed inside epoll sets */
+#define EPOLL_MAXNESTS 4
+
+static int epollfd;
+static int *epollfdp;
+static bool noaffinity;
+static unsigned int nested = 0;
+static bool et; /* edge-trigger */
+static bool oneshot;
+static bool multiq; /* use an epoll instance per thread */
+
+/* amount of fds to monitor, per thread */
+static unsigned int nfds = 64;
+
+static struct mutex thread_lock;
+static unsigned int threads_starting;
+static struct stats throughput_stats;
+static struct cond thread_parent, thread_worker;
+
+struct worker {
+ int tid;
+ int epollfd; /* for --multiq */
+ pthread_t thread;
+ unsigned long ops;
+ int *fdmap;
+};
+
+static const struct option options[] = {
+ /* general benchmark options */
+ OPT_UINTEGER('t', "threads", &nthreads, "Specify amount of threads"),
+ OPT_UINTEGER('r', "runtime", &nsecs, "Specify runtime (in seconds)"),
+ OPT_UINTEGER('f', "nfds", &nfds, "Specify amount of file descriptors to monitor for each thread"),
+ OPT_BOOLEAN( 'n', "noaffinity", &noaffinity, "Disables CPU affinity"),
+ OPT_BOOLEAN('R', "randomize", &randomize, "Enable random write behaviour (default is lineal)"),
+ OPT_BOOLEAN( 'v', "verbose", &__verbose, "Verbose mode"),
+
+ /* epoll specific options */
+ OPT_BOOLEAN( 'm', "multiq", &multiq, "Use multiple epoll instances (one per thread)"),
+ OPT_BOOLEAN( 'B', "nonblocking", &nonblocking, "Nonblocking epoll_wait(2) behaviour"),
+ OPT_UINTEGER( 'N', "nested", &nested, "Nesting level epoll hierarchy (default is 0, no nesting)"),
+ OPT_BOOLEAN( 'S', "oneshot", &oneshot, "Use EPOLLONESHOT semantics"),
+ OPT_BOOLEAN( 'E', "edge", &et, "Use Edge-triggered interface (default is LT)"),
+
+ OPT_END()
+};
+
+static const char * const bench_epoll_wait_usage[] = {
+ "perf bench epoll wait <options>",
+ NULL
+};
+
+
+/*
+ * Arrange the N elements of ARRAY in random order.
+ * Only effective if N is much smaller than RAND_MAX;
+ * if this may not be the case, use a better random
+ * number generator. -- Ben Pfaff.
+ */
+static void shuffle(void *array, size_t n, size_t size)
+{
+ char *carray = array;
+ void *aux;
+ size_t i;
+
+ if (n <= 1)
+ return;
+
+ aux = calloc(1, size);
+ if (!aux)
+ err(EXIT_FAILURE, "calloc");
+
+ for (i = 1; i < n; ++i) {
+ size_t j = i + rand() / (RAND_MAX / (n - i) + 1);
+ j *= size;
+
+ memcpy(aux, &carray[j], size);
+ memcpy(&carray[j], &carray[i*size], size);
+ memcpy(&carray[i*size], aux, size);
+ }
+
+ free(aux);
+}
+
+
+static void *workerfn(void *arg)
+{
+ int fd, ret, r;
+ struct worker *w = (struct worker *) arg;
+ unsigned long ops = w->ops;
+ struct epoll_event ev;
+ uint64_t val;
+ int to = nonblocking? 0 : -1;
+ int efd = multiq ? w->epollfd : epollfd;
+
+ mutex_lock(&thread_lock);
+ threads_starting--;
+ if (!threads_starting)
+ cond_signal(&thread_parent);
+ cond_wait(&thread_worker, &thread_lock);
+ mutex_unlock(&thread_lock);
+
+ do {
+ /*
+ * Block indefinitely waiting for the IN event.
+ * In order to stress the epoll_wait(2) syscall,
+ * call it event per event, instead of a larger
+ * batch (max)limit.
+ */
+ do {
+ ret = epoll_wait(efd, &ev, 1, to);
+ } while (ret < 0 && errno == EINTR);
+ if (ret < 0)
+ err(EXIT_FAILURE, "epoll_wait");
+
+ fd = ev.data.fd;
+
+ do {
+ r = read(fd, &val, sizeof(val));
+ } while (!done && (r < 0 && errno == EAGAIN));
+
+ if (et) {
+ ev.events = EPOLLIN | EPOLLET;
+ ret = epoll_ctl(efd, EPOLL_CTL_ADD, fd, &ev);
+ }
+
+ if (oneshot) {
+ /* rearm the file descriptor with a new event mask */
+ ev.events |= EPOLLIN | EPOLLONESHOT;
+ ret = epoll_ctl(efd, EPOLL_CTL_MOD, fd, &ev);
+ }
+
+ ops++;
+ } while (!done);
+
+ if (multiq)
+ close(w->epollfd);
+
+ w->ops = ops;
+ return NULL;
+}
+
+static void nest_epollfd(struct worker *w)
+{
+ unsigned int i;
+ struct epoll_event ev;
+ int efd = multiq ? w->epollfd : epollfd;
+
+ if (nested > EPOLL_MAXNESTS)
+ nested = EPOLL_MAXNESTS;
+
+ epollfdp = calloc(nested, sizeof(*epollfdp));
+ if (!epollfdp)
+ err(EXIT_FAILURE, "calloc");
+
+ for (i = 0; i < nested; i++) {
+ epollfdp[i] = epoll_create(1);
+ if (epollfdp[i] < 0)
+ err(EXIT_FAILURE, "epoll_create");
+ }
+
+ ev.events = EPOLLHUP; /* anything */
+ ev.data.u64 = i; /* any number */
+
+ for (i = nested - 1; i; i--) {
+ if (epoll_ctl(epollfdp[i - 1], EPOLL_CTL_ADD,
+ epollfdp[i], &ev) < 0)
+ err(EXIT_FAILURE, "epoll_ctl");
+ }
+
+ if (epoll_ctl(efd, EPOLL_CTL_ADD, *epollfdp, &ev) < 0)
+ err(EXIT_FAILURE, "epoll_ctl");
+}
+
+static void toggle_done(int sig __maybe_unused,
+ siginfo_t *info __maybe_unused,
+ void *uc __maybe_unused)
+{
+ /* inform all threads that we're done for the day */
+ done = true;
+ gettimeofday(&bench__end, NULL);
+ timersub(&bench__end, &bench__start, &bench__runtime);
+}
+
+static void print_summary(void)
+{
+ unsigned long avg = avg_stats(&throughput_stats);
+ double stddev = stddev_stats(&throughput_stats);
+
+ printf("\nAveraged %ld operations/sec (+- %.2f%%), total secs = %d\n",
+ avg, rel_stddev_stats(stddev, avg),
+ (int)bench__runtime.tv_sec);
+}
+
+static int do_threads(struct worker *worker, struct perf_cpu_map *cpu)
+{
+ pthread_attr_t thread_attr, *attrp = NULL;
+ cpu_set_t *cpuset;
+ unsigned int i, j;
+ int ret = 0, events = EPOLLIN;
+ int nrcpus;
+ size_t size;
+
+ if (oneshot)
+ events |= EPOLLONESHOT;
+ if (et)
+ events |= EPOLLET;
+
+ printinfo("starting worker/consumer %sthreads%s\n",
+ noaffinity ? "":"CPU affinity ",
+ nonblocking ? " (nonblocking)":"");
+ if (!noaffinity)
+ pthread_attr_init(&thread_attr);
+
+ nrcpus = cpu__max_cpu().cpu;
+ cpuset = CPU_ALLOC(nrcpus);
+ BUG_ON(!cpuset);
+ size = CPU_ALLOC_SIZE(nrcpus);
+
+ for (i = 0; i < nthreads; i++) {
+ struct worker *w = &worker[i];
+
+ if (multiq) {
+ w->epollfd = epoll_create(1);
+ if (w->epollfd < 0)
+ err(EXIT_FAILURE, "epoll_create");
+
+ if (nested)
+ nest_epollfd(w);
+ }
+
+ w->tid = i;
+ w->fdmap = calloc(nfds, sizeof(int));
+ if (!w->fdmap)
+ return 1;
+
+ for (j = 0; j < nfds; j++) {
+ int efd = multiq ? w->epollfd : epollfd;
+ struct epoll_event ev;
+
+ w->fdmap[j] = eventfd(0, EFD_NONBLOCK);
+ if (w->fdmap[j] < 0)
+ err(EXIT_FAILURE, "eventfd");
+
+ ev.data.fd = w->fdmap[j];
+ ev.events = events;
+
+ ret = epoll_ctl(efd, EPOLL_CTL_ADD,
+ w->fdmap[j], &ev);
+ if (ret < 0)
+ err(EXIT_FAILURE, "epoll_ctl");
+ }
+
+ if (!noaffinity) {
+ CPU_ZERO_S(size, cpuset);
+ CPU_SET_S(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu,
+ size, cpuset);
+
+ ret = pthread_attr_setaffinity_np(&thread_attr, size, cpuset);
+ if (ret) {
+ CPU_FREE(cpuset);
+ err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
+ }
+
+ attrp = &thread_attr;
+ }
+
+ ret = pthread_create(&w->thread, attrp, workerfn,
+ (void *)(struct worker *) w);
+ if (ret) {
+ CPU_FREE(cpuset);
+ err(EXIT_FAILURE, "pthread_create");
+ }
+ }
+
+ CPU_FREE(cpuset);
+ if (!noaffinity)
+ pthread_attr_destroy(&thread_attr);
+
+ return ret;
+}
+
+static void *writerfn(void *p)
+{
+ struct worker *worker = p;
+ size_t i, j, iter;
+ const uint64_t val = 1;
+ ssize_t sz;
+ struct timespec ts = { .tv_sec = 0,
+ .tv_nsec = 500 };
+
+ printinfo("starting writer-thread: doing %s writes ...\n",
+ randomize? "random":"lineal");
+
+ for (iter = 0; !wdone; iter++) {
+ if (randomize) {
+ shuffle((void *)worker, nthreads, sizeof(*worker));
+ }
+
+ for (i = 0; i < nthreads; i++) {
+ struct worker *w = &worker[i];
+
+ if (randomize) {
+ shuffle((void *)w->fdmap, nfds, sizeof(int));
+ }
+
+ for (j = 0; j < nfds; j++) {
+ do {
+ sz = write(w->fdmap[j], &val, sizeof(val));
+ } while (!wdone && (sz < 0 && errno == EAGAIN));
+ }
+ }
+
+ nanosleep(&ts, NULL);
+ }
+
+ printinfo("exiting writer-thread (total full-loops: %zd)\n", iter);
+ return NULL;
+}
+
+static int cmpworker(const void *p1, const void *p2)
+{
+
+ struct worker *w1 = (struct worker *) p1;
+ struct worker *w2 = (struct worker *) p2;
+
+ if (w1->tid > w2->tid)
+ return 1;
+ if (w1->tid < w2->tid)
+ return -1;
+ return 0;
+}
+
+int bench_epoll_wait(int argc, const char **argv)
+{
+ int ret = 0;
+ struct sigaction act;
+ unsigned int i;
+ struct worker *worker = NULL;
+ struct perf_cpu_map *cpu;
+ pthread_t wthread;
+ struct rlimit rl, prevrl;
+
+ argc = parse_options(argc, argv, options, bench_epoll_wait_usage, 0);
+ if (argc) {
+ usage_with_options(bench_epoll_wait_usage, options);
+ exit(EXIT_FAILURE);
+ }
+
+ memset(&act, 0, sizeof(act));
+ sigfillset(&act.sa_mask);
+ act.sa_sigaction = toggle_done;
+ sigaction(SIGINT, &act, NULL);
+
+ cpu = perf_cpu_map__new_online_cpus();
+ if (!cpu)
+ goto errmem;
+
+ /* a single, main epoll instance */
+ if (!multiq) {
+ epollfd = epoll_create(1);
+ if (epollfd < 0)
+ err(EXIT_FAILURE, "epoll_create");
+
+ /*
+ * Deal with nested epolls, if any.
+ */
+ if (nested)
+ nest_epollfd(NULL);
+ }
+
+ printinfo("Using %s queue model\n", multiq ? "multi" : "single");
+ printinfo("Nesting level(s): %d\n", nested);
+
+ /* default to the number of CPUs and leave one for the writer pthread */
+ if (!nthreads)
+ nthreads = perf_cpu_map__nr(cpu) - 1;
+
+ worker = calloc(nthreads, sizeof(*worker));
+ if (!worker) {
+ goto errmem;
+ }
+
+ if (getrlimit(RLIMIT_NOFILE, &prevrl))
+ err(EXIT_FAILURE, "getrlimit");
+ rl.rlim_cur = rl.rlim_max = nfds * nthreads * 2 + 50;
+ printinfo("Setting RLIMIT_NOFILE rlimit from %" PRIu64 " to: %" PRIu64 "\n",
+ (uint64_t)prevrl.rlim_max, (uint64_t)rl.rlim_max);
+ if (setrlimit(RLIMIT_NOFILE, &rl) < 0)
+ err(EXIT_FAILURE, "setrlimit");
+
+ printf("Run summary [PID %d]: %d threads monitoring%s on "
+ "%d file-descriptors for %d secs.\n\n",
+ getpid(), nthreads, oneshot ? " (EPOLLONESHOT semantics)": "", nfds, nsecs);
+
+ init_stats(&throughput_stats);
+ mutex_init(&thread_lock);
+ cond_init(&thread_parent);
+ cond_init(&thread_worker);
+
+ threads_starting = nthreads;
+
+ gettimeofday(&bench__start, NULL);
+
+ do_threads(worker, cpu);
+
+ mutex_lock(&thread_lock);
+ while (threads_starting)
+ cond_wait(&thread_parent, &thread_lock);
+ cond_broadcast(&thread_worker);
+ mutex_unlock(&thread_lock);
+
+ /*
+ * At this point the workers should be blocked waiting for read events
+ * to become ready. Launch the writer which will constantly be writing
+ * to each thread's fdmap.
+ */
+ ret = pthread_create(&wthread, NULL, writerfn,
+ (void *)(struct worker *) worker);
+ if (ret)
+ err(EXIT_FAILURE, "pthread_create");
+
+ sleep(nsecs);
+ toggle_done(0, NULL, NULL);
+ printinfo("main thread: toggling done\n");
+
+ sleep(1); /* meh */
+ wdone = true;
+ ret = pthread_join(wthread, NULL);
+ if (ret)
+ err(EXIT_FAILURE, "pthread_join");
+
+ /* cleanup & report results */
+ cond_destroy(&thread_parent);
+ cond_destroy(&thread_worker);
+ mutex_destroy(&thread_lock);
+
+ /* sort the array back before reporting */
+ if (randomize)
+ qsort(worker, nthreads, sizeof(struct worker), cmpworker);
+
+ for (i = 0; i < nthreads; i++) {
+ unsigned long t = bench__runtime.tv_sec > 0 ?
+ worker[i].ops / bench__runtime.tv_sec : 0;
+
+ update_stats(&throughput_stats, t);
+
+ if (nfds == 1)
+ printf("[thread %2d] fdmap: %p [ %04ld ops/sec ]\n",
+ worker[i].tid, &worker[i].fdmap[0], t);
+ else
+ printf("[thread %2d] fdmap: %p ... %p [ %04ld ops/sec ]\n",
+ worker[i].tid, &worker[i].fdmap[0],
+ &worker[i].fdmap[nfds-1], t);
+ }
+
+ print_summary();
+
+ close(epollfd);
+ perf_cpu_map__put(cpu);
+ for (i = 0; i < nthreads; i++)
+ free(worker[i].fdmap);
+
+ free(worker);
+ return ret;
+errmem:
+ err(EXIT_FAILURE, "calloc");
+}
+#endif // HAVE_EVENTFD_SUPPORT
diff --git a/tools/perf/bench/evlist-open-close.c b/tools/perf/bench/evlist-open-close.c
new file mode 100644
index 000000000000..faf9c34b4a5d
--- /dev/null
+++ b/tools/perf/bench/evlist-open-close.c
@@ -0,0 +1,276 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "bench.h"
+#include "../util/debug.h"
+#include "../util/stat.h"
+#include "../util/evlist.h"
+#include "../util/evsel.h"
+#include "../util/strbuf.h"
+#include "../util/record.h"
+#include "../util/parse-events.h"
+#include "internal/threadmap.h"
+#include "internal/cpumap.h"
+#include <linux/perf_event.h>
+#include <linux/kernel.h>
+#include <linux/time64.h>
+#include <linux/string.h>
+#include <subcmd/parse-options.h>
+
+#define MMAP_FLUSH_DEFAULT 1
+
+static int iterations = 100;
+static int nr_events = 1;
+static const char *event_string = "dummy";
+
+static inline u64 timeval2usec(struct timeval *tv)
+{
+ return tv->tv_sec * USEC_PER_SEC + tv->tv_usec;
+}
+
+static struct record_opts opts = {
+ .sample_time = true,
+ .mmap_pages = UINT_MAX,
+ .user_freq = UINT_MAX,
+ .user_interval = ULLONG_MAX,
+ .freq = 4000,
+ .target = {
+ .uses_mmap = true,
+ .default_per_cpu = true,
+ },
+ .mmap_flush = MMAP_FLUSH_DEFAULT,
+ .nr_threads_synthesize = 1,
+ .ctl_fd = -1,
+ .ctl_fd_ack = -1,
+};
+
+static int evlist__count_evsel_fds(struct evlist *evlist)
+{
+ struct evsel *evsel;
+ int cnt = 0;
+
+ evlist__for_each_entry(evlist, evsel)
+ cnt += evsel->core.threads->nr * perf_cpu_map__nr(evsel->core.cpus);
+
+ return cnt;
+}
+
+static struct evlist *bench__create_evlist(char *evstr, const char *uid_str)
+{
+ struct parse_events_error err;
+ struct evlist *evlist = evlist__new();
+ int ret;
+
+ if (!evlist) {
+ pr_err("Not enough memory to create evlist\n");
+ return NULL;
+ }
+
+ parse_events_error__init(&err);
+ ret = parse_events(evlist, evstr, &err);
+ if (ret) {
+ parse_events_error__print(&err, evstr);
+ parse_events_error__exit(&err);
+ pr_err("Run 'perf list' for a list of valid events\n");
+ ret = 1;
+ goto out_delete_evlist;
+ }
+ parse_events_error__exit(&err);
+ if (uid_str) {
+ uid_t uid = parse_uid(uid_str);
+
+ if (uid == UINT_MAX) {
+ pr_err("Invalid User: %s", uid_str);
+ ret = -EINVAL;
+ goto out_delete_evlist;
+ }
+ ret = parse_uid_filter(evlist, uid);
+ if (ret)
+ goto out_delete_evlist;
+ }
+ ret = evlist__create_maps(evlist, &opts.target);
+ if (ret < 0) {
+ pr_err("Not enough memory to create thread/cpu maps\n");
+ goto out_delete_evlist;
+ }
+
+ evlist__config(evlist, &opts, NULL);
+
+ return evlist;
+
+out_delete_evlist:
+ evlist__delete(evlist);
+ return NULL;
+}
+
+static int bench__do_evlist_open_close(struct evlist *evlist)
+{
+ char sbuf[STRERR_BUFSIZE];
+ int err = evlist__open(evlist);
+
+ if (err < 0) {
+ pr_err("evlist__open: %s\n", str_error_r(errno, sbuf, sizeof(sbuf)));
+ return err;
+ }
+
+ err = evlist__mmap(evlist, opts.mmap_pages);
+ if (err < 0) {
+ pr_err("evlist__mmap: %s\n", str_error_r(errno, sbuf, sizeof(sbuf)));
+ return err;
+ }
+
+ evlist__enable(evlist);
+ evlist__disable(evlist);
+ evlist__munmap(evlist);
+ evlist__close(evlist);
+
+ return 0;
+}
+
+static int bench_evlist_open_close__run(char *evstr, const char *uid_str)
+{
+ // used to print statistics only
+ struct evlist *evlist = bench__create_evlist(evstr, uid_str);
+ double time_average, time_stddev;
+ struct timeval start, end, diff;
+ struct stats time_stats;
+ u64 runtime_us;
+ int i, err;
+
+ if (!evlist)
+ return -ENOMEM;
+
+ init_stats(&time_stats);
+
+ printf(" Number of cpus:\t%d\n", perf_cpu_map__nr(evlist->core.user_requested_cpus));
+ printf(" Number of threads:\t%d\n", evlist->core.threads->nr);
+ printf(" Number of events:\t%d (%d fds)\n",
+ evlist->core.nr_entries, evlist__count_evsel_fds(evlist));
+ printf(" Number of iterations:\t%d\n", iterations);
+
+ evlist__delete(evlist);
+
+ for (i = 0; i < iterations; i++) {
+ pr_debug("Started iteration %d\n", i);
+ evlist = bench__create_evlist(evstr, uid_str);
+ if (!evlist)
+ return -ENOMEM;
+
+ gettimeofday(&start, NULL);
+ err = bench__do_evlist_open_close(evlist);
+ if (err) {
+ evlist__delete(evlist);
+ return err;
+ }
+
+ gettimeofday(&end, NULL);
+ timersub(&end, &start, &diff);
+ runtime_us = timeval2usec(&diff);
+ update_stats(&time_stats, runtime_us);
+
+ evlist__delete(evlist);
+ pr_debug("Iteration %d took:\t%" PRIu64 "us\n", i, runtime_us);
+ }
+
+ time_average = avg_stats(&time_stats);
+ time_stddev = stddev_stats(&time_stats);
+ printf(" Average open-close took: %.3f usec (+- %.3f usec)\n", time_average, time_stddev);
+
+ return 0;
+}
+
+static char *bench__repeat_event_string(const char *evstr, int n)
+{
+ char sbuf[STRERR_BUFSIZE];
+ struct strbuf buf;
+ int i, str_size = strlen(evstr),
+ final_size = str_size * n + n,
+ err = strbuf_init(&buf, final_size);
+
+ if (err) {
+ pr_err("strbuf_init: %s\n", str_error_r(err, sbuf, sizeof(sbuf)));
+ goto out_error;
+ }
+
+ for (i = 0; i < n; i++) {
+ err = strbuf_add(&buf, evstr, str_size);
+ if (err) {
+ pr_err("strbuf_add: %s\n", str_error_r(err, sbuf, sizeof(sbuf)));
+ goto out_error;
+ }
+
+ err = strbuf_addch(&buf, i == n-1 ? '\0' : ',');
+ if (err) {
+ pr_err("strbuf_addch: %s\n", str_error_r(err, sbuf, sizeof(sbuf)));
+ goto out_error;
+ }
+ }
+
+ return strbuf_detach(&buf, NULL);
+
+out_error:
+ strbuf_release(&buf);
+ return NULL;
+}
+
+
+int bench_evlist_open_close(int argc, const char **argv)
+{
+ const char *uid_str = NULL;
+ const struct option options[] = {
+ OPT_STRING('e', "event", &event_string, "event",
+ "event selector. use 'perf list' to list available events"),
+ OPT_INTEGER('n', "nr-events", &nr_events,
+ "number of dummy events to create (default 1). If used with -e, it clones those events n times (1 = no change)"),
+ OPT_INTEGER('i', "iterations", &iterations,
+ "Number of iterations used to compute average (default=100)"),
+ OPT_BOOLEAN('a', "all-cpus", &opts.target.system_wide,
+ "system-wide collection from all CPUs"),
+ OPT_STRING('C', "cpu", &opts.target.cpu_list, "cpu",
+ "list of cpus where to open events"),
+ OPT_STRING('p', "pid", &opts.target.pid, "pid",
+ "record events on existing process id"),
+ OPT_STRING('t', "tid", &opts.target.tid, "tid",
+ "record events on existing thread id"),
+ OPT_STRING('u', "uid", &uid_str, "user", "user to profile"),
+ OPT_BOOLEAN(0, "per-thread", &opts.target.per_thread, "use per-thread mmaps"),
+ OPT_END()
+ };
+ const char *const bench_usage[] = {
+ "perf bench internals evlist-open-close <options>",
+ NULL
+ };
+ char *evstr, errbuf[BUFSIZ];
+ int err;
+
+ argc = parse_options(argc, argv, options, bench_usage, 0);
+ if (argc) {
+ usage_with_options(bench_usage, options);
+ exit(EXIT_FAILURE);
+ }
+
+ err = target__validate(&opts.target);
+ if (err) {
+ target__strerror(&opts.target, err, errbuf, sizeof(errbuf));
+ pr_err("%s\n", errbuf);
+ goto out;
+ }
+
+ /* Enable ignoring missing threads when -p option is defined. */
+ opts.ignore_missing_thread = opts.target.pid;
+
+ evstr = bench__repeat_event_string(event_string, nr_events);
+ if (!evstr) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ err = bench_evlist_open_close__run(evstr, uid_str);
+
+ free(evstr);
+out:
+ return err;
+}
diff --git a/tools/perf/bench/find-bit-bench.c b/tools/perf/bench/find-bit-bench.c
new file mode 100644
index 000000000000..e697c20951bc
--- /dev/null
+++ b/tools/perf/bench/find-bit-bench.c
@@ -0,0 +1,139 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Benchmark find_next_bit and related bit operations.
+ *
+ * Copyright 2020 Google LLC.
+ */
+#include <stdlib.h>
+#include "bench.h"
+#include "../util/stat.h"
+#include <linux/bitmap.h>
+#include <linux/bitops.h>
+#include <linux/time64.h>
+#include <subcmd/parse-options.h>
+
+static unsigned int outer_iterations = 5;
+static unsigned int inner_iterations = 100000;
+
+static const struct option options[] = {
+ OPT_UINTEGER('i', "outer-iterations", &outer_iterations,
+ "Number of outer iterations used"),
+ OPT_UINTEGER('j', "inner-iterations", &inner_iterations,
+ "Number of inner iterations used"),
+ OPT_END()
+};
+
+static const char *const bench_usage[] = {
+ "perf bench mem find_bit <options>",
+ NULL
+};
+
+static unsigned int accumulator;
+static unsigned int use_of_val;
+
+static noinline void workload(int val)
+{
+ use_of_val += val;
+ accumulator++;
+}
+
+#if defined(__i386__) || defined(__x86_64__)
+static bool asm_test_bit(long nr, const unsigned long *addr)
+{
+ bool oldbit;
+
+ asm volatile("bt %2,%1"
+ : "=@ccc" (oldbit)
+ : "m" (*(unsigned long *)addr), "Ir" (nr) : "memory");
+
+ return oldbit;
+}
+#else
+#define asm_test_bit test_bit
+#endif
+
+static int do_for_each_set_bit(unsigned int num_bits)
+{
+ unsigned long *to_test = bitmap_zalloc(num_bits);
+ struct timeval start, end, diff;
+ u64 runtime_us;
+ struct stats fb_time_stats, tb_time_stats;
+ double time_average, time_stddev;
+ unsigned int bit, i, j;
+ unsigned int set_bits, skip;
+
+ init_stats(&fb_time_stats);
+ init_stats(&tb_time_stats);
+
+ for (set_bits = 1; set_bits <= num_bits; set_bits <<= 1) {
+ bitmap_zero(to_test, num_bits);
+ skip = num_bits / set_bits;
+ for (i = 0; i < num_bits; i += skip)
+ __set_bit(i, to_test);
+
+ for (i = 0; i < outer_iterations; i++) {
+#ifndef NDEBUG
+ unsigned int old = accumulator;
+#endif
+
+ gettimeofday(&start, NULL);
+ for (j = 0; j < inner_iterations; j++) {
+ for_each_set_bit(bit, to_test, num_bits)
+ workload(bit);
+ }
+ gettimeofday(&end, NULL);
+ assert(old + (inner_iterations * set_bits) == accumulator);
+ timersub(&end, &start, &diff);
+ runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ update_stats(&fb_time_stats, runtime_us);
+
+#ifndef NDEBUG
+ old = accumulator;
+#endif
+ gettimeofday(&start, NULL);
+ for (j = 0; j < inner_iterations; j++) {
+ for (bit = 0; bit < num_bits; bit++) {
+ if (asm_test_bit(bit, to_test))
+ workload(bit);
+ }
+ }
+ gettimeofday(&end, NULL);
+ assert(old + (inner_iterations * set_bits) == accumulator);
+ timersub(&end, &start, &diff);
+ runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ update_stats(&tb_time_stats, runtime_us);
+ }
+
+ printf("%d operations %d bits set of %d bits\n",
+ inner_iterations, set_bits, num_bits);
+ time_average = avg_stats(&fb_time_stats);
+ time_stddev = stddev_stats(&fb_time_stats);
+ printf(" Average for_each_set_bit took: %.3f usec (+- %.3f usec)\n",
+ time_average, time_stddev);
+ time_average = avg_stats(&tb_time_stats);
+ time_stddev = stddev_stats(&tb_time_stats);
+ printf(" Average test_bit loop took: %.3f usec (+- %.3f usec)\n",
+ time_average, time_stddev);
+
+ if (use_of_val == accumulator) /* Try to avoid compiler tricks. */
+ printf("\n");
+ }
+ bitmap_free(to_test);
+ return 0;
+}
+
+int bench_mem_find_bit(int argc, const char **argv)
+{
+ int err = 0, i;
+
+ argc = parse_options(argc, argv, options, bench_usage, 0);
+ if (argc) {
+ usage_with_options(bench_usage, options);
+ exit(EXIT_FAILURE);
+ }
+
+ for (i = 1; i <= 2048; i <<= 1)
+ do_for_each_set_bit(i);
+
+ return err;
+}
diff --git a/tools/perf/bench/futex-hash.c b/tools/perf/bench/futex-hash.c
index fe16b310097f..7e29f04da744 100644
--- a/tools/perf/bench/futex-hash.c
+++ b/tools/perf/bench/futex-hash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2013 Davidlohr Bueso <davidlohr@hp.com>
*
@@ -17,28 +18,28 @@
#include <stdlib.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <sys/time.h>
+#include <sys/mman.h>
+#include <sys/prctl.h>
+#include <perf/cpumap.h>
+#include "../util/mutex.h"
#include "../util/stat.h"
#include <subcmd/parse-options.h>
#include "bench.h"
#include "futex.h"
#include <err.h>
-#include <sys/time.h>
-static unsigned int nthreads = 0;
-static unsigned int nsecs = 10;
-/* amount of futexes per thread */
-static unsigned int nfutexes = 1024;
-static bool fshared = false, done = false, silent = false;
+static bool done = false;
static int futex_flag = 0;
-struct timeval start, end, runtime;
-static pthread_mutex_t thread_lock;
+struct timeval bench__start, bench__end, bench__runtime;
+static struct mutex thread_lock;
static unsigned int threads_starting;
static struct stats throughput_stats;
-static pthread_cond_t thread_parent, thread_worker;
+static struct cond thread_parent, thread_worker;
struct worker {
int tid;
@@ -47,12 +48,20 @@ struct worker {
unsigned long ops;
};
+static struct bench_futex_parameters params = {
+ .nfutexes = 1024,
+ .runtime = 10,
+ .nbuckets = -1,
+};
+
static const struct option options[] = {
- OPT_UINTEGER('t', "threads", &nthreads, "Specify amount of threads"),
- OPT_UINTEGER('r', "runtime", &nsecs, "Specify runtime (in seconds)"),
- OPT_UINTEGER('f', "futexes", &nfutexes, "Specify amount of futexes per threads"),
- OPT_BOOLEAN( 's', "silent", &silent, "Silent mode: do not display data/details"),
- OPT_BOOLEAN( 'S', "shared", &fshared, "Use shared futexes instead of private ones"),
+ OPT_INTEGER( 'b', "buckets", &params.nbuckets, "Specify amount of hash buckets"),
+ OPT_UINTEGER('t', "threads", &params.nthreads, "Specify amount of threads"),
+ OPT_UINTEGER('r', "runtime", &params.runtime, "Specify runtime (in seconds)"),
+ OPT_UINTEGER('f', "futexes", &params.nfutexes, "Specify amount of futexes per threads"),
+ OPT_BOOLEAN( 's', "silent", &params.silent, "Silent mode: do not display data/details"),
+ OPT_BOOLEAN( 'S', "shared", &params.fshared, "Use shared futexes instead of private ones"),
+ OPT_BOOLEAN( 'm', "mlockall", &params.mlockall, "Lock all current and future memory"),
OPT_END()
};
@@ -68,15 +77,15 @@ static void *workerfn(void *arg)
unsigned int i;
unsigned long ops = w->ops; /* avoid cacheline bouncing */
- pthread_mutex_lock(&thread_lock);
+ mutex_lock(&thread_lock);
threads_starting--;
if (!threads_starting)
- pthread_cond_signal(&thread_parent);
- pthread_cond_wait(&thread_worker, &thread_lock);
- pthread_mutex_unlock(&thread_lock);
+ cond_signal(&thread_parent);
+ cond_wait(&thread_worker, &thread_lock);
+ mutex_unlock(&thread_lock);
do {
- for (i = 0; i < nfutexes; i++, ops++) {
+ for (i = 0; i < params.nfutexes; i++, ops++) {
/*
* We want the futex calls to fail in order to stress
* the hashing of uaddr and not measure other steps,
@@ -84,7 +93,7 @@ static void *workerfn(void *arg)
* the critical region protected by hb->lock.
*/
ret = futex_wait(&w->futex[i], 1234, NULL, futex_flag);
- if (!silent &&
+ if (!params.silent &&
(!ret || errno != EAGAIN || errno != EWOULDBLOCK))
warn("Non-expected futex return call");
}
@@ -100,8 +109,8 @@ static void toggle_done(int sig __maybe_unused,
{
/* inform all threads that we're done for the day */
done = true;
- gettimeofday(&end, NULL);
- timersub(&end, &start, &runtime);
+ gettimeofday(&bench__end, NULL);
+ timersub(&bench__end, &bench__start, &bench__runtime);
}
static void print_summary(void)
@@ -110,18 +119,22 @@ static void print_summary(void)
double stddev = stddev_stats(&throughput_stats);
printf("%sAveraged %ld operations/sec (+- %.2f%%), total secs = %d\n",
- !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg),
- (int) runtime.tv_sec);
+ !params.silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg),
+ (int)bench__runtime.tv_sec);
+ futex_print_nbuckets(&params);
}
int bench_futex_hash(int argc, const char **argv)
{
int ret = 0;
- cpu_set_t cpu;
+ cpu_set_t *cpuset;
struct sigaction act;
- unsigned int i, ncpus;
+ unsigned int i;
pthread_attr_t thread_attr;
struct worker *worker = NULL;
+ struct perf_cpu_map *cpu;
+ int nrcpus;
+ size_t size;
argc = parse_options(argc, argv, options, bench_futex_hash_usage, 0);
if (argc) {
@@ -129,93 +142,114 @@ int bench_futex_hash(int argc, const char **argv)
exit(EXIT_FAILURE);
}
- ncpus = sysconf(_SC_NPROCESSORS_ONLN);
+ cpu = perf_cpu_map__new_online_cpus();
+ if (!cpu)
+ goto errmem;
+ memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);
- if (!nthreads) /* default to the number of CPUs */
- nthreads = ncpus;
+ if (params.mlockall) {
+ if (mlockall(MCL_CURRENT | MCL_FUTURE))
+ err(EXIT_FAILURE, "mlockall");
+ }
+
+ if (!params.nthreads) /* default to the number of CPUs */
+ params.nthreads = perf_cpu_map__nr(cpu);
- worker = calloc(nthreads, sizeof(*worker));
+ worker = calloc(params.nthreads, sizeof(*worker));
if (!worker)
goto errmem;
- if (!fshared)
+ if (!params.fshared)
futex_flag = FUTEX_PRIVATE_FLAG;
+ futex_set_nbuckets_param(&params);
printf("Run summary [PID %d]: %d threads, each operating on %d [%s] futexes for %d secs.\n\n",
- getpid(), nthreads, nfutexes, fshared ? "shared":"private", nsecs);
+ getpid(), params.nthreads, params.nfutexes, params.fshared ? "shared":"private", params.runtime);
init_stats(&throughput_stats);
- pthread_mutex_init(&thread_lock, NULL);
- pthread_cond_init(&thread_parent, NULL);
- pthread_cond_init(&thread_worker, NULL);
+ mutex_init(&thread_lock);
+ cond_init(&thread_parent);
+ cond_init(&thread_worker);
- threads_starting = nthreads;
+ threads_starting = params.nthreads;
pthread_attr_init(&thread_attr);
- gettimeofday(&start, NULL);
- for (i = 0; i < nthreads; i++) {
+ gettimeofday(&bench__start, NULL);
+
+ nrcpus = cpu__max_cpu().cpu;
+ cpuset = CPU_ALLOC(nrcpus);
+ BUG_ON(!cpuset);
+ size = CPU_ALLOC_SIZE(nrcpus);
+
+ for (i = 0; i < params.nthreads; i++) {
worker[i].tid = i;
- worker[i].futex = calloc(nfutexes, sizeof(*worker[i].futex));
+ worker[i].futex = calloc(params.nfutexes, sizeof(*worker[i].futex));
if (!worker[i].futex)
goto errmem;
- CPU_ZERO(&cpu);
- CPU_SET(i % ncpus, &cpu);
+ CPU_ZERO_S(size, cpuset);
- ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpu);
- if (ret)
+ CPU_SET_S(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, size, cpuset);
+ ret = pthread_attr_setaffinity_np(&thread_attr, size, cpuset);
+ if (ret) {
+ CPU_FREE(cpuset);
err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
-
+ }
ret = pthread_create(&worker[i].thread, &thread_attr, workerfn,
(void *)(struct worker *) &worker[i]);
- if (ret)
+ if (ret) {
+ CPU_FREE(cpuset);
err(EXIT_FAILURE, "pthread_create");
+ }
}
+ CPU_FREE(cpuset);
pthread_attr_destroy(&thread_attr);
- pthread_mutex_lock(&thread_lock);
+ mutex_lock(&thread_lock);
while (threads_starting)
- pthread_cond_wait(&thread_parent, &thread_lock);
- pthread_cond_broadcast(&thread_worker);
- pthread_mutex_unlock(&thread_lock);
+ cond_wait(&thread_parent, &thread_lock);
+ cond_broadcast(&thread_worker);
+ mutex_unlock(&thread_lock);
- sleep(nsecs);
+ sleep(params.runtime);
toggle_done(0, NULL, NULL);
- for (i = 0; i < nthreads; i++) {
+ for (i = 0; i < params.nthreads; i++) {
ret = pthread_join(worker[i].thread, NULL);
if (ret)
err(EXIT_FAILURE, "pthread_join");
}
/* cleanup & report results */
- pthread_cond_destroy(&thread_parent);
- pthread_cond_destroy(&thread_worker);
- pthread_mutex_destroy(&thread_lock);
+ cond_destroy(&thread_parent);
+ cond_destroy(&thread_worker);
+ mutex_destroy(&thread_lock);
- for (i = 0; i < nthreads; i++) {
- unsigned long t = worker[i].ops/runtime.tv_sec;
+ for (i = 0; i < params.nthreads; i++) {
+ unsigned long t = bench__runtime.tv_sec > 0 ?
+ worker[i].ops / bench__runtime.tv_sec : 0;
update_stats(&throughput_stats, t);
- if (!silent) {
- if (nfutexes == 1)
+ if (!params.silent) {
+ if (params.nfutexes == 1)
printf("[thread %2d] futex: %p [ %ld ops/sec ]\n",
worker[i].tid, &worker[i].futex[0], t);
else
printf("[thread %2d] futexes: %p ... %p [ %ld ops/sec ]\n",
worker[i].tid, &worker[i].futex[0],
- &worker[i].futex[nfutexes-1], t);
+ &worker[i].futex[params.nfutexes-1], t);
}
- free(worker[i].futex);
+ zfree(&worker[i].futex);
}
print_summary();
free(worker);
+ free(cpu);
return ret;
errmem:
err(EXIT_FAILURE, "calloc");
diff --git a/tools/perf/bench/futex-lock-pi.c b/tools/perf/bench/futex-lock-pi.c
index 73a1c44ea63c..40640b674427 100644
--- a/tools/perf/bench/futex-lock-pi.c
+++ b/tools/perf/bench/futex-lock-pi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2015 Davidlohr Bueso.
*/
@@ -7,17 +8,21 @@
#include <pthread.h>
#include <signal.h>
+#include "../util/mutex.h"
#include "../util/stat.h"
#include <subcmd/parse-options.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
+#include <linux/zalloc.h>
#include <errno.h>
+#include <perf/cpumap.h>
#include "bench.h"
#include "futex.h"
#include <err.h>
#include <stdlib.h>
#include <sys/time.h>
+#include <sys/mman.h>
struct worker {
int tid;
@@ -28,23 +33,26 @@ struct worker {
static u_int32_t global_futex = 0;
static struct worker *worker;
-static unsigned int nsecs = 10;
-static bool silent = false, multi = false;
-static bool done = false, fshared = false;
-static unsigned int ncpus, nthreads = 0;
+static bool done = false;
static int futex_flag = 0;
-struct timeval start, end, runtime;
-static pthread_mutex_t thread_lock;
+static struct mutex thread_lock;
static unsigned int threads_starting;
static struct stats throughput_stats;
-static pthread_cond_t thread_parent, thread_worker;
+static struct cond thread_parent, thread_worker;
+
+static struct bench_futex_parameters params = {
+ .nbuckets = -1,
+ .runtime = 10,
+};
static const struct option options[] = {
- OPT_UINTEGER('t', "threads", &nthreads, "Specify amount of threads"),
- OPT_UINTEGER('r', "runtime", &nsecs, "Specify runtime (in seconds)"),
- OPT_BOOLEAN( 'M', "multi", &multi, "Use multiple futexes"),
- OPT_BOOLEAN( 's', "silent", &silent, "Silent mode: do not display data/details"),
- OPT_BOOLEAN( 'S', "shared", &fshared, "Use shared futexes instead of private ones"),
+ OPT_INTEGER( 'b', "buckets", &params.nbuckets, "Specify amount of hash buckets"),
+ OPT_UINTEGER('t', "threads", &params.nthreads, "Specify amount of threads"),
+ OPT_UINTEGER('r', "runtime", &params.runtime, "Specify runtime (in seconds)"),
+ OPT_BOOLEAN( 'M', "multi", &params.multi, "Use multiple futexes"),
+ OPT_BOOLEAN( 's', "silent", &params.silent, "Silent mode: do not display data/details"),
+ OPT_BOOLEAN( 'S', "shared", &params.fshared, "Use shared futexes instead of private ones"),
+ OPT_BOOLEAN( 'm', "mlockall", &params.mlockall, "Lock all current and future memory"),
OPT_END()
};
@@ -59,8 +67,9 @@ static void print_summary(void)
double stddev = stddev_stats(&throughput_stats);
printf("%sAveraged %ld operations/sec (+- %.2f%%), total secs = %d\n",
- !silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg),
- (int) runtime.tv_sec);
+ !params.silent ? "\n" : "", avg, rel_stddev_stats(stddev, avg),
+ (int)bench__runtime.tv_sec);
+ futex_print_nbuckets(&params);
}
static void toggle_done(int sig __maybe_unused,
@@ -69,8 +78,8 @@ static void toggle_done(int sig __maybe_unused,
{
/* inform all threads that we're done for the day */
done = true;
- gettimeofday(&end, NULL);
- timersub(&end, &start, &runtime);
+ gettimeofday(&bench__end, NULL);
+ timersub(&bench__end, &bench__start, &bench__runtime);
}
static void *workerfn(void *arg)
@@ -78,12 +87,12 @@ static void *workerfn(void *arg)
struct worker *w = (struct worker *) arg;
unsigned long ops = w->ops;
- pthread_mutex_lock(&thread_lock);
+ mutex_lock(&thread_lock);
threads_starting--;
if (!threads_starting)
- pthread_cond_signal(&thread_parent);
- pthread_cond_wait(&thread_worker, &thread_lock);
- pthread_mutex_unlock(&thread_lock);
+ cond_signal(&thread_parent);
+ cond_wait(&thread_worker, &thread_lock);
+ mutex_unlock(&thread_lock);
do {
int ret;
@@ -91,7 +100,7 @@ static void *workerfn(void *arg)
ret = futex_lock_pi(w->futex, NULL, futex_flag);
if (ret) { /* handle lock acquisition */
- if (!silent)
+ if (!params.silent)
warn("thread %d: Could not lock pi-lock for %p (%d)",
w->tid, w->futex, ret);
if (done)
@@ -102,7 +111,7 @@ static void *workerfn(void *arg)
usleep(1);
ret = futex_unlock_pi(w->futex, futex_flag);
- if (ret && !silent)
+ if (ret && !params.silent)
warn("thread %d: Could not unlock pi-lock for %p (%d)",
w->tid, w->futex, ret);
ops++; /* account for thread's share of work */
@@ -112,32 +121,47 @@ static void *workerfn(void *arg)
return NULL;
}
-static void create_threads(struct worker *w, pthread_attr_t thread_attr)
+static void create_threads(struct worker *w, struct perf_cpu_map *cpu)
{
- cpu_set_t cpu;
+ cpu_set_t *cpuset;
unsigned int i;
+ int nrcpus = cpu__max_cpu().cpu;
+ size_t size;
+
+ threads_starting = params.nthreads;
- threads_starting = nthreads;
+ cpuset = CPU_ALLOC(nrcpus);
+ BUG_ON(!cpuset);
+ size = CPU_ALLOC_SIZE(nrcpus);
- for (i = 0; i < nthreads; i++) {
+ for (i = 0; i < params.nthreads; i++) {
+ pthread_attr_t thread_attr;
+
+ pthread_attr_init(&thread_attr);
worker[i].tid = i;
- if (multi) {
+ if (params.multi) {
worker[i].futex = calloc(1, sizeof(u_int32_t));
if (!worker[i].futex)
err(EXIT_FAILURE, "calloc");
} else
worker[i].futex = &global_futex;
- CPU_ZERO(&cpu);
- CPU_SET(i % ncpus, &cpu);
+ CPU_ZERO_S(size, cpuset);
+ CPU_SET_S(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, size, cpuset);
- if (pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpu))
+ if (pthread_attr_setaffinity_np(&thread_attr, size, cpuset)) {
+ CPU_FREE(cpuset);
err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
+ }
- if (pthread_create(&w[i].thread, &thread_attr, workerfn, &worker[i]))
+ if (pthread_create(&w[i].thread, &thread_attr, workerfn, &worker[i])) {
+ CPU_FREE(cpuset);
err(EXIT_FAILURE, "pthread_create");
+ }
+ pthread_attr_destroy(&thread_attr);
}
+ CPU_FREE(cpuset);
}
int bench_futex_lock_pi(int argc, const char **argv)
@@ -145,78 +169,87 @@ int bench_futex_lock_pi(int argc, const char **argv)
int ret = 0;
unsigned int i;
struct sigaction act;
- pthread_attr_t thread_attr;
+ struct perf_cpu_map *cpu;
argc = parse_options(argc, argv, options, bench_futex_lock_pi_usage, 0);
if (argc)
goto err;
- ncpus = sysconf(_SC_NPROCESSORS_ONLN);
+ cpu = perf_cpu_map__new_online_cpus();
+ if (!cpu)
+ err(EXIT_FAILURE, "calloc");
+ memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);
- if (!nthreads)
- nthreads = ncpus;
+ if (params.mlockall) {
+ if (mlockall(MCL_CURRENT | MCL_FUTURE))
+ err(EXIT_FAILURE, "mlockall");
+ }
+
+ if (!params.nthreads)
+ params.nthreads = perf_cpu_map__nr(cpu);
- worker = calloc(nthreads, sizeof(*worker));
+ worker = calloc(params.nthreads, sizeof(*worker));
if (!worker)
err(EXIT_FAILURE, "calloc");
- if (!fshared)
+ if (!params.fshared)
futex_flag = FUTEX_PRIVATE_FLAG;
printf("Run summary [PID %d]: %d threads doing pi lock/unlock pairing for %d secs.\n\n",
- getpid(), nthreads, nsecs);
+ getpid(), params.nthreads, params.runtime);
init_stats(&throughput_stats);
- pthread_mutex_init(&thread_lock, NULL);
- pthread_cond_init(&thread_parent, NULL);
- pthread_cond_init(&thread_worker, NULL);
+ mutex_init(&thread_lock);
+ cond_init(&thread_parent);
+ cond_init(&thread_worker);
+ futex_set_nbuckets_param(&params);
- threads_starting = nthreads;
- pthread_attr_init(&thread_attr);
- gettimeofday(&start, NULL);
+ threads_starting = params.nthreads;
+ gettimeofday(&bench__start, NULL);
- create_threads(worker, thread_attr);
- pthread_attr_destroy(&thread_attr);
+ create_threads(worker, cpu);
- pthread_mutex_lock(&thread_lock);
+ mutex_lock(&thread_lock);
while (threads_starting)
- pthread_cond_wait(&thread_parent, &thread_lock);
- pthread_cond_broadcast(&thread_worker);
- pthread_mutex_unlock(&thread_lock);
+ cond_wait(&thread_parent, &thread_lock);
+ cond_broadcast(&thread_worker);
+ mutex_unlock(&thread_lock);
- sleep(nsecs);
+ sleep(params.runtime);
toggle_done(0, NULL, NULL);
- for (i = 0; i < nthreads; i++) {
+ for (i = 0; i < params.nthreads; i++) {
ret = pthread_join(worker[i].thread, NULL);
if (ret)
err(EXIT_FAILURE, "pthread_join");
}
/* cleanup & report results */
- pthread_cond_destroy(&thread_parent);
- pthread_cond_destroy(&thread_worker);
- pthread_mutex_destroy(&thread_lock);
+ cond_destroy(&thread_parent);
+ cond_destroy(&thread_worker);
+ mutex_destroy(&thread_lock);
- for (i = 0; i < nthreads; i++) {
- unsigned long t = worker[i].ops/runtime.tv_sec;
+ for (i = 0; i < params.nthreads; i++) {
+ unsigned long t = bench__runtime.tv_sec > 0 ?
+ worker[i].ops / bench__runtime.tv_sec : 0;
update_stats(&throughput_stats, t);
- if (!silent)
+ if (!params.silent)
printf("[thread %3d] futex: %p [ %ld ops/sec ]\n",
worker[i].tid, worker[i].futex, t);
- if (multi)
- free(worker[i].futex);
+ if (params.multi)
+ zfree(&worker[i].futex);
}
print_summary();
free(worker);
+ perf_cpu_map__put(cpu);
return ret;
err:
usage_with_options(bench_futex_lock_pi_usage, options);
diff --git a/tools/perf/bench/futex-requeue.c b/tools/perf/bench/futex-requeue.c
index 41786cbea24c..0748b0fd689e 100644
--- a/tools/perf/bench/futex-requeue.c
+++ b/tools/perf/bench/futex-requeue.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2013 Davidlohr Bueso <davidlohr@hp.com>
*
@@ -5,7 +6,8 @@
* on futex2, N at a time.
*
* This program is particularly useful to measure the latency of nthread
- * requeues without waking up any tasks -- thus mimicking a regular futex_wait.
+ * requeues without waking up any tasks (in the non-pi case) -- thus
+ * mimicking a regular futex_wait.
*/
/* For the CLR_() macros */
@@ -13,40 +15,51 @@
#include <pthread.h>
#include <signal.h>
+#include "../util/mutex.h"
#include "../util/stat.h"
#include <subcmd/parse-options.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/time64.h>
#include <errno.h>
+#include <perf/cpumap.h>
#include "bench.h"
#include "futex.h"
#include <err.h>
#include <stdlib.h>
#include <sys/time.h>
+#include <sys/mman.h>
static u_int32_t futex1 = 0, futex2 = 0;
-/*
- * How many tasks to requeue at a time.
- * Default to 1 in order to make the kernel work more.
- */
-static unsigned int nrequeue = 1;
-
static pthread_t *worker;
-static bool done = false, silent = false, fshared = false;
-static pthread_mutex_t thread_lock;
-static pthread_cond_t thread_parent, thread_worker;
+static bool done = false;
+static struct mutex thread_lock;
+static struct cond thread_parent, thread_worker;
static struct stats requeuetime_stats, requeued_stats;
-static unsigned int ncpus, threads_starting, nthreads = 0;
+static unsigned int threads_starting;
static int futex_flag = 0;
+static struct bench_futex_parameters params = {
+ .nbuckets = -1,
+ /*
+ * How many tasks to requeue at a time.
+ * Default to 1 in order to make the kernel work more.
+ */
+ .nrequeue = 1,
+};
+
static const struct option options[] = {
- OPT_UINTEGER('t', "threads", &nthreads, "Specify amount of threads"),
- OPT_UINTEGER('q', "nrequeue", &nrequeue, "Specify amount of threads to requeue at once"),
- OPT_BOOLEAN( 's', "silent", &silent, "Silent mode: do not display data/details"),
- OPT_BOOLEAN( 'S', "shared", &fshared, "Use shared futexes instead of private ones"),
+ OPT_INTEGER( 'b', "buckets", &params.nbuckets, "Specify amount of hash buckets"),
+ OPT_UINTEGER('t', "threads", &params.nthreads, "Specify amount of threads"),
+ OPT_UINTEGER('q', "nrequeue", &params.nrequeue, "Specify amount of threads to requeue at once"),
+ OPT_BOOLEAN( 's', "silent", &params.silent, "Silent mode: do not display data/details"),
+ OPT_BOOLEAN( 'S', "shared", &params.fshared, "Use shared futexes instead of private ones"),
+ OPT_BOOLEAN( 'm', "mlockall", &params.mlockall, "Lock all current and future memory"),
+ OPT_BOOLEAN( 'B', "broadcast", &params.broadcast, "Requeue all threads at once"),
+ OPT_BOOLEAN( 'p', "pi", &params.pi, "Use PI-aware variants of FUTEX_CMP_REQUEUE"),
+
OPT_END()
};
@@ -63,43 +76,87 @@ static void print_summary(void)
printf("Requeued %d of %d threads in %.4f ms (+-%.2f%%)\n",
requeued_avg,
- nthreads,
+ params.nthreads,
requeuetime_avg / USEC_PER_MSEC,
rel_stddev_stats(requeuetime_stddev, requeuetime_avg));
+ futex_print_nbuckets(&params);
}
static void *workerfn(void *arg __maybe_unused)
{
- pthread_mutex_lock(&thread_lock);
+ int ret;
+
+ mutex_lock(&thread_lock);
threads_starting--;
if (!threads_starting)
- pthread_cond_signal(&thread_parent);
- pthread_cond_wait(&thread_worker, &thread_lock);
- pthread_mutex_unlock(&thread_lock);
+ cond_signal(&thread_parent);
+ cond_wait(&thread_worker, &thread_lock);
+ mutex_unlock(&thread_lock);
+
+ while (1) {
+ if (!params.pi) {
+ ret = futex_wait(&futex1, 0, NULL, futex_flag);
+ if (!ret)
+ break;
+
+ if (ret && errno != EAGAIN) {
+ if (!params.silent)
+ warnx("futex_wait");
+ break;
+ }
+ } else {
+ ret = futex_wait_requeue_pi(&futex1, 0, &futex2,
+ NULL, futex_flag);
+ if (!ret) {
+ /* got the lock at futex2 */
+ futex_unlock_pi(&futex2, futex_flag);
+ break;
+ }
+
+ if (ret && errno != EAGAIN) {
+ if (!params.silent)
+ warnx("futex_wait_requeue_pi");
+ break;
+ }
+ }
+ }
- futex_wait(&futex1, 0, NULL, futex_flag);
return NULL;
}
-static void block_threads(pthread_t *w,
- pthread_attr_t thread_attr)
+static void block_threads(pthread_t *w, struct perf_cpu_map *cpu)
{
- cpu_set_t cpu;
+ cpu_set_t *cpuset;
unsigned int i;
+ int nrcpus = cpu__max_cpu().cpu;
+ size_t size;
+
+ threads_starting = params.nthreads;
- threads_starting = nthreads;
+ cpuset = CPU_ALLOC(nrcpus);
+ BUG_ON(!cpuset);
+ size = CPU_ALLOC_SIZE(nrcpus);
/* create and block all threads */
- for (i = 0; i < nthreads; i++) {
- CPU_ZERO(&cpu);
- CPU_SET(i % ncpus, &cpu);
+ for (i = 0; i < params.nthreads; i++) {
+ pthread_attr_t thread_attr;
- if (pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpu))
+ pthread_attr_init(&thread_attr);
+ CPU_ZERO_S(size, cpuset);
+ CPU_SET_S(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, size, cpuset);
+
+ if (pthread_attr_setaffinity_np(&thread_attr, size, cpuset)) {
+ CPU_FREE(cpuset);
err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
+ }
- if (pthread_create(&w[i], &thread_attr, workerfn, NULL))
+ if (pthread_create(&w[i], &thread_attr, workerfn, NULL)) {
+ CPU_FREE(cpuset);
err(EXIT_FAILURE, "pthread_create");
+ }
+ pthread_attr_destroy(&thread_attr);
}
+ CPU_FREE(cpuset);
}
static void toggle_done(int sig __maybe_unused,
@@ -114,67 +171,98 @@ int bench_futex_requeue(int argc, const char **argv)
int ret = 0;
unsigned int i, j;
struct sigaction act;
- pthread_attr_t thread_attr;
+ struct perf_cpu_map *cpu;
argc = parse_options(argc, argv, options, bench_futex_requeue_usage, 0);
if (argc)
goto err;
- ncpus = sysconf(_SC_NPROCESSORS_ONLN);
+ cpu = perf_cpu_map__new_online_cpus();
+ if (!cpu)
+ err(EXIT_FAILURE, "cpu_map__new");
+ memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);
- if (!nthreads)
- nthreads = ncpus;
+ if (params.mlockall) {
+ if (mlockall(MCL_CURRENT | MCL_FUTURE))
+ err(EXIT_FAILURE, "mlockall");
+ }
+
+ if (!params.nthreads)
+ params.nthreads = perf_cpu_map__nr(cpu);
- worker = calloc(nthreads, sizeof(*worker));
+ worker = calloc(params.nthreads, sizeof(*worker));
if (!worker)
err(EXIT_FAILURE, "calloc");
- if (!fshared)
+ if (!params.fshared)
futex_flag = FUTEX_PRIVATE_FLAG;
- if (nrequeue > nthreads)
- nrequeue = nthreads;
+ if (params.nrequeue > params.nthreads)
+ params.nrequeue = params.nthreads;
- printf("Run summary [PID %d]: Requeuing %d threads (from [%s] %p to %p), "
- "%d at a time.\n\n", getpid(), nthreads,
- fshared ? "shared":"private", &futex1, &futex2, nrequeue);
+ if (params.broadcast)
+ params.nrequeue = params.nthreads;
+
+ futex_set_nbuckets_param(&params);
+
+ printf("Run summary [PID %d]: Requeuing %d threads (from [%s] %p to %s%p), "
+ "%d at a time.\n\n", getpid(), params.nthreads,
+ params.fshared ? "shared":"private", &futex1,
+ params.pi ? "PI ": "", &futex2, params.nrequeue);
init_stats(&requeued_stats);
init_stats(&requeuetime_stats);
- pthread_attr_init(&thread_attr);
- pthread_mutex_init(&thread_lock, NULL);
- pthread_cond_init(&thread_parent, NULL);
- pthread_cond_init(&thread_worker, NULL);
+ mutex_init(&thread_lock);
+ cond_init(&thread_parent);
+ cond_init(&thread_worker);
for (j = 0; j < bench_repeat && !done; j++) {
- unsigned int nrequeued = 0;
+ unsigned int nrequeued = 0, wakeups = 0;
struct timeval start, end, runtime;
/* create, launch & block all threads */
- block_threads(worker, thread_attr);
+ block_threads(worker, cpu);
/* make sure all threads are already blocked */
- pthread_mutex_lock(&thread_lock);
+ mutex_lock(&thread_lock);
while (threads_starting)
- pthread_cond_wait(&thread_parent, &thread_lock);
- pthread_cond_broadcast(&thread_worker);
- pthread_mutex_unlock(&thread_lock);
+ cond_wait(&thread_parent, &thread_lock);
+ cond_broadcast(&thread_worker);
+ mutex_unlock(&thread_lock);
usleep(100000);
/* Ok, all threads are patiently blocked, start requeueing */
gettimeofday(&start, NULL);
- while (nrequeued < nthreads) {
+ while (nrequeued < params.nthreads) {
+ int r;
+
/*
- * Do not wakeup any tasks blocked on futex1, allowing
- * us to really measure futex_wait functionality.
+ * For the regular non-pi case, do not wakeup any tasks
+ * blocked on futex1, allowing us to really measure
+ * futex_wait functionality. For the PI case the first
+ * waiter is always awoken.
*/
- nrequeued += futex_cmp_requeue(&futex1, 0, &futex2, 0,
- nrequeue, futex_flag);
+ if (!params.pi) {
+ r = futex_cmp_requeue(&futex1, 0, &futex2, 0,
+ params.nrequeue,
+ futex_flag);
+ } else {
+ r = futex_cmp_requeue_pi(&futex1, 0, &futex2,
+ params.nrequeue,
+ futex_flag);
+ wakeups++; /* assume no error */
+ }
+
+ if (r < 0)
+ err(EXIT_FAILURE, "couldn't requeue from %p to %p",
+ &futex1, &futex2);
+
+ nrequeued += r;
}
gettimeofday(&end, NULL);
@@ -183,17 +271,32 @@ int bench_futex_requeue(int argc, const char **argv)
update_stats(&requeued_stats, nrequeued);
update_stats(&requeuetime_stats, runtime.tv_usec);
- if (!silent) {
- printf("[Run %d]: Requeued %d of %d threads in %.4f ms\n",
- j + 1, nrequeued, nthreads, runtime.tv_usec / (double)USEC_PER_MSEC);
+ if (!params.silent) {
+ if (!params.pi)
+ printf("[Run %d]: Requeued %d of %d threads in "
+ "%.4f ms\n", j + 1, nrequeued,
+ params.nthreads,
+ runtime.tv_usec / (double)USEC_PER_MSEC);
+ else {
+ nrequeued -= wakeups;
+ printf("[Run %d]: Awoke and Requeued (%d+%d) of "
+ "%d threads in %.4f ms\n",
+ j + 1, wakeups, nrequeued,
+ params.nthreads,
+ runtime.tv_usec / (double)USEC_PER_MSEC);
+ }
+
}
- /* everybody should be blocked on futex2, wake'em up */
- nrequeued = futex_wake(&futex2, nrequeued, futex_flag);
- if (nthreads != nrequeued)
- warnx("couldn't wakeup all tasks (%d/%d)", nrequeued, nthreads);
+ if (!params.pi) {
+ /* everybody should be blocked on futex2, wake'em up */
+ nrequeued = futex_wake(&futex2, nrequeued, futex_flag);
+ if (params.nthreads != nrequeued)
+ warnx("couldn't wakeup all tasks (%d/%d)",
+ nrequeued, params.nthreads);
+ }
- for (i = 0; i < nthreads; i++) {
+ for (i = 0; i < params.nthreads; i++) {
ret = pthread_join(worker[i], NULL);
if (ret)
err(EXIT_FAILURE, "pthread_join");
@@ -201,14 +304,14 @@ int bench_futex_requeue(int argc, const char **argv)
}
/* cleanup & report results */
- pthread_cond_destroy(&thread_parent);
- pthread_cond_destroy(&thread_worker);
- pthread_mutex_destroy(&thread_lock);
- pthread_attr_destroy(&thread_attr);
+ cond_destroy(&thread_parent);
+ cond_destroy(&thread_worker);
+ mutex_destroy(&thread_lock);
print_summary();
free(worker);
+ perf_cpu_map__put(cpu);
return ret;
err:
usage_with_options(bench_futex_requeue_usage, options);
diff --git a/tools/perf/bench/futex-wake-parallel.c b/tools/perf/bench/futex-wake-parallel.c
index 4ab12c8e016a..6aede7c46b33 100644
--- a/tools/perf/bench/futex-wake-parallel.c
+++ b/tools/perf/bench/futex-wake-parallel.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2015 Davidlohr Bueso.
*
@@ -6,7 +7,18 @@
* for each individual thread to service its share of work. Ultimately
* it can be used to measure futex_wake() changes.
*/
+#include "bench.h"
+#include <linux/compiler.h>
+#include "../util/debug.h"
+#include "../util/mutex.h"
+#ifndef HAVE_PTHREAD_BARRIER
+int bench_futex_wake_parallel(int argc __maybe_unused, const char **argv __maybe_unused)
+{
+ pr_err("%s: pthread_barrier_t unavailable, disabling this test...\n", __func__);
+ return 0;
+}
+#else /* HAVE_PTHREAD_BARRIER */
/* For the CLR_() macros */
#include <string.h>
#include <pthread.h>
@@ -14,16 +26,16 @@
#include <signal.h>
#include "../util/stat.h"
#include <subcmd/parse-options.h>
-#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/time64.h>
#include <errno.h>
-#include "bench.h"
#include "futex.h"
+#include <perf/cpumap.h>
#include <err.h>
#include <stdlib.h>
#include <sys/time.h>
+#include <sys/mman.h>
struct thread_data {
pthread_t worker;
@@ -37,19 +49,26 @@ static unsigned int nwakes = 1;
static u_int32_t futex = 0;
static pthread_t *blocked_worker;
-static bool done = false, silent = false, fshared = false;
-static unsigned int nblocked_threads = 0, nwaking_threads = 0;
-static pthread_mutex_t thread_lock;
-static pthread_cond_t thread_parent, thread_worker;
+static bool done = false;
+static struct mutex thread_lock;
+static struct cond thread_parent, thread_worker;
+static pthread_barrier_t barrier;
static struct stats waketime_stats, wakeup_stats;
-static unsigned int ncpus, threads_starting;
+static unsigned int threads_starting;
static int futex_flag = 0;
+static struct bench_futex_parameters params = {
+ .nbuckets = -1,
+};
+
static const struct option options[] = {
- OPT_UINTEGER('t', "threads", &nblocked_threads, "Specify amount of threads"),
- OPT_UINTEGER('w', "nwakers", &nwaking_threads, "Specify amount of waking threads"),
- OPT_BOOLEAN( 's', "silent", &silent, "Silent mode: do not display data/details"),
- OPT_BOOLEAN( 'S', "shared", &fshared, "Use shared futexes instead of private ones"),
+ OPT_INTEGER( 'b', "buckets", &params.nbuckets, "Specify amount of hash buckets"),
+ OPT_UINTEGER('t', "threads", &params.nthreads, "Specify amount of threads"),
+ OPT_UINTEGER('w', "nwakers", &params.nwakes, "Specify amount of waking threads"),
+ OPT_BOOLEAN( 's', "silent", &params.silent, "Silent mode: do not display data/details"),
+ OPT_BOOLEAN( 'S', "shared", &params.fshared, "Use shared futexes instead of private ones"),
+ OPT_BOOLEAN( 'm', "mlockall", &params.mlockall, "Lock all current and future memory"),
+
OPT_END()
};
@@ -63,6 +82,8 @@ static void *waking_workerfn(void *arg)
struct thread_data *waker = (struct thread_data *) arg;
struct timeval start, end;
+ pthread_barrier_wait(&barrier);
+
gettimeofday(&start, NULL);
waker->nwoken = futex_wake(&futex, nwakes, futex_flag);
@@ -77,14 +98,18 @@ static void *waking_workerfn(void *arg)
return NULL;
}
-static void wakeup_threads(struct thread_data *td, pthread_attr_t thread_attr)
+static void wakeup_threads(struct thread_data *td)
{
unsigned int i;
+ pthread_attr_t thread_attr;
+ pthread_attr_init(&thread_attr);
pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE);
+ pthread_barrier_init(&barrier, NULL, params.nwakes + 1);
+
/* create and block all threads */
- for (i = 0; i < nwaking_threads; i++) {
+ for (i = 0; i < params.nwakes; i++) {
/*
* Thread creation order will impact per-thread latency
* as it will affect the order to acquire the hb spinlock.
@@ -95,19 +120,24 @@ static void wakeup_threads(struct thread_data *td, pthread_attr_t thread_attr)
err(EXIT_FAILURE, "pthread_create");
}
- for (i = 0; i < nwaking_threads; i++)
+ pthread_barrier_wait(&barrier);
+
+ for (i = 0; i < params.nwakes; i++)
if (pthread_join(td[i].worker, NULL))
err(EXIT_FAILURE, "pthread_join");
+
+ pthread_barrier_destroy(&barrier);
+ pthread_attr_destroy(&thread_attr);
}
static void *blocked_workerfn(void *arg __maybe_unused)
{
- pthread_mutex_lock(&thread_lock);
+ mutex_lock(&thread_lock);
threads_starting--;
if (!threads_starting)
- pthread_cond_signal(&thread_parent);
- pthread_cond_wait(&thread_worker, &thread_lock);
- pthread_mutex_unlock(&thread_lock);
+ cond_signal(&thread_parent);
+ cond_wait(&thread_worker, &thread_lock);
+ mutex_unlock(&thread_lock);
while (1) { /* handle spurious wakeups */
if (futex_wait(&futex, 0, NULL, futex_flag) != EINTR)
@@ -118,24 +148,39 @@ static void *blocked_workerfn(void *arg __maybe_unused)
return NULL;
}
-static void block_threads(pthread_t *w, pthread_attr_t thread_attr)
+static void block_threads(pthread_t *w, struct perf_cpu_map *cpu)
{
- cpu_set_t cpu;
+ cpu_set_t *cpuset;
unsigned int i;
+ int nrcpus = cpu__max_cpu().cpu;
+ size_t size;
- threads_starting = nblocked_threads;
+ threads_starting = params.nthreads;
+
+ cpuset = CPU_ALLOC(nrcpus);
+ BUG_ON(!cpuset);
+ size = CPU_ALLOC_SIZE(nrcpus);
/* create and block all threads */
- for (i = 0; i < nblocked_threads; i++) {
- CPU_ZERO(&cpu);
- CPU_SET(i % ncpus, &cpu);
+ for (i = 0; i < params.nthreads; i++) {
+ pthread_attr_t thread_attr;
+
+ pthread_attr_init(&thread_attr);
+ CPU_ZERO_S(size, cpuset);
+ CPU_SET_S(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, size, cpuset);
- if (pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpu))
+ if (pthread_attr_setaffinity_np(&thread_attr, size, cpuset)) {
+ CPU_FREE(cpuset);
err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
+ }
- if (pthread_create(&w[i], &thread_attr, blocked_workerfn, NULL))
+ if (pthread_create(&w[i], &thread_attr, blocked_workerfn, NULL)) {
+ CPU_FREE(cpuset);
err(EXIT_FAILURE, "pthread_create");
+ }
+ pthread_attr_destroy(&thread_attr);
}
+ CPU_FREE(cpuset);
}
static void print_run(struct thread_data *waking_worker, unsigned int run_num)
@@ -147,7 +192,7 @@ static void print_run(struct thread_data *waking_worker, unsigned int run_num)
init_stats(&__wakeup_stats);
init_stats(&__waketime_stats);
- for (i = 0; i < nwaking_threads; i++) {
+ for (i = 0; i < params.nwakes; i++) {
update_stats(&__waketime_stats, waking_worker[i].runtime.tv_usec);
update_stats(&__wakeup_stats, waking_worker[i].nwoken);
}
@@ -158,7 +203,7 @@ static void print_run(struct thread_data *waking_worker, unsigned int run_num)
printf("[Run %d]: Avg per-thread latency (waking %d/%d threads) "
"in %.4f ms (+-%.2f%%)\n", run_num + 1, wakeup_avg,
- nblocked_threads, waketime_avg / USEC_PER_MSEC,
+ params.nthreads, waketime_avg / USEC_PER_MSEC,
rel_stddev_stats(waketime_stddev, waketime_avg));
}
@@ -173,9 +218,10 @@ static void print_summary(void)
printf("Avg per-thread latency (waking %d/%d threads) in %.4f ms (+-%.2f%%)\n",
wakeup_avg,
- nblocked_threads,
+ params.nthreads,
waketime_avg / USEC_PER_MSEC,
rel_stddev_stats(waketime_stddev, waketime_avg));
+ futex_print_nbuckets(&params);
}
@@ -183,7 +229,7 @@ static void do_run_stats(struct thread_data *waking_worker)
{
unsigned int i;
- for (i = 0; i < nwaking_threads; i++) {
+ for (i = 0; i < params.nwakes; i++) {
update_stats(&waketime_stats, waking_worker[i].runtime.tv_usec);
update_stats(&wakeup_stats, waking_worker[i].nwoken);
}
@@ -202,8 +248,8 @@ int bench_futex_wake_parallel(int argc, const char **argv)
int ret = 0;
unsigned int i, j;
struct sigaction act;
- pthread_attr_t thread_attr;
struct thread_data *waking_worker;
+ struct perf_cpu_map *cpu;
argc = parse_options(argc, argv, options,
bench_futex_wake_parallel_usage, 0);
@@ -212,87 +258,99 @@ int bench_futex_wake_parallel(int argc, const char **argv)
exit(EXIT_FAILURE);
}
+ memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);
- ncpus = sysconf(_SC_NPROCESSORS_ONLN);
- if (!nblocked_threads)
- nblocked_threads = ncpus;
+ if (params.mlockall) {
+ if (mlockall(MCL_CURRENT | MCL_FUTURE))
+ err(EXIT_FAILURE, "mlockall");
+ }
+
+ cpu = perf_cpu_map__new_online_cpus();
+ if (!cpu)
+ err(EXIT_FAILURE, "calloc");
+
+ if (!params.nthreads)
+ params.nthreads = perf_cpu_map__nr(cpu);
/* some sanity checks */
- if (nwaking_threads > nblocked_threads || !nwaking_threads)
- nwaking_threads = nblocked_threads;
+ if (params.nwakes > params.nthreads ||
+ !params.nwakes)
+ params.nwakes = params.nthreads;
- if (nblocked_threads % nwaking_threads)
+ if (params.nthreads % params.nwakes)
errx(EXIT_FAILURE, "Must be perfectly divisible");
/*
* Each thread will wakeup nwakes tasks in
* a single futex_wait call.
*/
- nwakes = nblocked_threads/nwaking_threads;
+ nwakes = params.nthreads/params.nwakes;
- blocked_worker = calloc(nblocked_threads, sizeof(*blocked_worker));
+ blocked_worker = calloc(params.nthreads, sizeof(*blocked_worker));
if (!blocked_worker)
err(EXIT_FAILURE, "calloc");
- if (!fshared)
+ if (!params.fshared)
futex_flag = FUTEX_PRIVATE_FLAG;
+ futex_set_nbuckets_param(&params);
+
printf("Run summary [PID %d]: blocking on %d threads (at [%s] "
"futex %p), %d threads waking up %d at a time.\n\n",
- getpid(), nblocked_threads, fshared ? "shared":"private",
- &futex, nwaking_threads, nwakes);
+ getpid(), params.nthreads, params.fshared ? "shared":"private",
+ &futex, params.nwakes, nwakes);
init_stats(&wakeup_stats);
init_stats(&waketime_stats);
- pthread_attr_init(&thread_attr);
- pthread_mutex_init(&thread_lock, NULL);
- pthread_cond_init(&thread_parent, NULL);
- pthread_cond_init(&thread_worker, NULL);
+ mutex_init(&thread_lock);
+ cond_init(&thread_parent);
+ cond_init(&thread_worker);
for (j = 0; j < bench_repeat && !done; j++) {
- waking_worker = calloc(nwaking_threads, sizeof(*waking_worker));
+ waking_worker = calloc(params.nwakes, sizeof(*waking_worker));
if (!waking_worker)
err(EXIT_FAILURE, "calloc");
/* create, launch & block all threads */
- block_threads(blocked_worker, thread_attr);
+ block_threads(blocked_worker, cpu);
/* make sure all threads are already blocked */
- pthread_mutex_lock(&thread_lock);
+ mutex_lock(&thread_lock);
while (threads_starting)
- pthread_cond_wait(&thread_parent, &thread_lock);
- pthread_cond_broadcast(&thread_worker);
- pthread_mutex_unlock(&thread_lock);
+ cond_wait(&thread_parent, &thread_lock);
+ cond_broadcast(&thread_worker);
+ mutex_unlock(&thread_lock);
- usleep(100000);
+ usleep(200000);
/* Ok, all threads are patiently blocked, start waking folks up */
- wakeup_threads(waking_worker, thread_attr);
+ wakeup_threads(waking_worker);
- for (i = 0; i < nblocked_threads; i++) {
+ for (i = 0; i < params.nthreads; i++) {
ret = pthread_join(blocked_worker[i], NULL);
if (ret)
err(EXIT_FAILURE, "pthread_join");
}
do_run_stats(waking_worker);
- if (!silent)
+ if (!params.silent)
print_run(waking_worker, j);
free(waking_worker);
}
/* cleanup & report results */
- pthread_cond_destroy(&thread_parent);
- pthread_cond_destroy(&thread_worker);
- pthread_mutex_destroy(&thread_lock);
- pthread_attr_destroy(&thread_attr);
+ cond_destroy(&thread_parent);
+ cond_destroy(&thread_worker);
+ mutex_destroy(&thread_lock);
print_summary();
free(blocked_worker);
+ perf_cpu_map__put(cpu);
return ret;
}
+#endif /* HAVE_PTHREAD_BARRIER */
diff --git a/tools/perf/bench/futex-wake.c b/tools/perf/bench/futex-wake.c
index 2fa49222ef8d..a31fc1563862 100644
--- a/tools/perf/bench/futex-wake.c
+++ b/tools/perf/bench/futex-wake.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2013 Davidlohr Bueso <davidlohr@hp.com>
*
@@ -13,41 +14,50 @@
#include <pthread.h>
#include <signal.h>
+#include "../util/mutex.h"
#include "../util/stat.h"
#include <subcmd/parse-options.h>
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/time64.h>
#include <errno.h>
+#include <perf/cpumap.h>
#include "bench.h"
#include "futex.h"
#include <err.h>
#include <stdlib.h>
#include <sys/time.h>
+#include <sys/mman.h>
/* all threads will block on the same futex */
static u_int32_t futex1 = 0;
-/*
- * How many wakeups to do at a time.
- * Default to 1 in order to make the kernel work more.
- */
-static unsigned int nwakes = 1;
-
-pthread_t *worker;
-static bool done = false, silent = false, fshared = false;
-static pthread_mutex_t thread_lock;
-static pthread_cond_t thread_parent, thread_worker;
+static pthread_t *worker;
+static bool done = false;
+static struct mutex thread_lock;
+static struct cond thread_parent, thread_worker;
static struct stats waketime_stats, wakeup_stats;
-static unsigned int ncpus, threads_starting, nthreads = 0;
+static unsigned int threads_starting;
static int futex_flag = 0;
+static struct bench_futex_parameters params = {
+ .nbuckets = -1,
+ /*
+ * How many wakeups to do at a time.
+ * Default to 1 in order to make the kernel work more.
+ */
+ .nwakes = 1,
+};
+
static const struct option options[] = {
- OPT_UINTEGER('t', "threads", &nthreads, "Specify amount of threads"),
- OPT_UINTEGER('w', "nwakes", &nwakes, "Specify amount of threads to wake at once"),
- OPT_BOOLEAN( 's', "silent", &silent, "Silent mode: do not display data/details"),
- OPT_BOOLEAN( 'S', "shared", &fshared, "Use shared futexes instead of private ones"),
+ OPT_INTEGER( 'b', "buckets", &params.nbuckets, "Specify amount of hash buckets"),
+ OPT_UINTEGER('t', "threads", &params.nthreads, "Specify amount of threads"),
+ OPT_UINTEGER('w', "nwakes", &params.nwakes, "Specify amount of threads to wake at once"),
+ OPT_BOOLEAN( 's', "silent", &params.silent, "Silent mode: do not display data/details"),
+ OPT_BOOLEAN( 'S', "shared", &params.fshared, "Use shared futexes instead of private ones"),
+ OPT_BOOLEAN( 'm', "mlockall", &params.mlockall, "Lock all current and future memory"),
+
OPT_END()
};
@@ -58,12 +68,12 @@ static const char * const bench_futex_wake_usage[] = {
static void *workerfn(void *arg __maybe_unused)
{
- pthread_mutex_lock(&thread_lock);
+ mutex_lock(&thread_lock);
threads_starting--;
if (!threads_starting)
- pthread_cond_signal(&thread_parent);
- pthread_cond_wait(&thread_worker, &thread_lock);
- pthread_mutex_unlock(&thread_lock);
+ cond_signal(&thread_parent);
+ cond_wait(&thread_worker, &thread_lock);
+ mutex_unlock(&thread_lock);
while (1) {
if (futex_wait(&futex1, 0, NULL, futex_flag) != EINTR)
@@ -82,30 +92,44 @@ static void print_summary(void)
printf("Wokeup %d of %d threads in %.4f ms (+-%.2f%%)\n",
wakeup_avg,
- nthreads,
+ params.nthreads,
waketime_avg / USEC_PER_MSEC,
rel_stddev_stats(waketime_stddev, waketime_avg));
+ futex_print_nbuckets(&params);
}
-static void block_threads(pthread_t *w,
- pthread_attr_t thread_attr)
+static void block_threads(pthread_t *w, struct perf_cpu_map *cpu)
{
- cpu_set_t cpu;
+ cpu_set_t *cpuset;
unsigned int i;
+ size_t size;
+ int nrcpus = cpu__max_cpu().cpu;
+ threads_starting = params.nthreads;
- threads_starting = nthreads;
+ cpuset = CPU_ALLOC(nrcpus);
+ BUG_ON(!cpuset);
+ size = CPU_ALLOC_SIZE(nrcpus);
/* create and block all threads */
- for (i = 0; i < nthreads; i++) {
- CPU_ZERO(&cpu);
- CPU_SET(i % ncpus, &cpu);
+ for (i = 0; i < params.nthreads; i++) {
+ pthread_attr_t thread_attr;
- if (pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpu))
+ pthread_attr_init(&thread_attr);
+ CPU_ZERO_S(size, cpuset);
+ CPU_SET_S(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, size, cpuset);
+
+ if (pthread_attr_setaffinity_np(&thread_attr, size, cpuset)) {
+ CPU_FREE(cpuset);
err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
+ }
- if (pthread_create(&w[i], &thread_attr, workerfn, NULL))
+ if (pthread_create(&w[i], &thread_attr, workerfn, NULL)) {
+ CPU_FREE(cpuset);
err(EXIT_FAILURE, "pthread_create");
+ }
+ pthread_attr_destroy(&thread_attr);
}
+ CPU_FREE(cpuset);
}
static void toggle_done(int sig __maybe_unused,
@@ -120,7 +144,7 @@ int bench_futex_wake(int argc, const char **argv)
int ret = 0;
unsigned int i, j;
struct sigaction act;
- pthread_attr_t thread_attr;
+ struct perf_cpu_map *cpu;
argc = parse_options(argc, argv, options, bench_futex_wake_usage, 0);
if (argc) {
@@ -128,65 +152,75 @@ int bench_futex_wake(int argc, const char **argv)
exit(EXIT_FAILURE);
}
- ncpus = sysconf(_SC_NPROCESSORS_ONLN);
+ cpu = perf_cpu_map__new_online_cpus();
+ if (!cpu)
+ err(EXIT_FAILURE, "calloc");
+ memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);
- if (!nthreads)
- nthreads = ncpus;
+ if (params.mlockall) {
+ if (mlockall(MCL_CURRENT | MCL_FUTURE))
+ err(EXIT_FAILURE, "mlockall");
+ }
+
+ if (!params.nthreads)
+ params.nthreads = perf_cpu_map__nr(cpu);
- worker = calloc(nthreads, sizeof(*worker));
+ worker = calloc(params.nthreads, sizeof(*worker));
if (!worker)
err(EXIT_FAILURE, "calloc");
- if (!fshared)
+ if (!params.fshared)
futex_flag = FUTEX_PRIVATE_FLAG;
printf("Run summary [PID %d]: blocking on %d threads (at [%s] futex %p), "
"waking up %d at a time.\n\n",
- getpid(), nthreads, fshared ? "shared":"private", &futex1, nwakes);
+ getpid(), params.nthreads, params.fshared ? "shared":"private",
+ &futex1, params.nwakes);
init_stats(&wakeup_stats);
init_stats(&waketime_stats);
- pthread_attr_init(&thread_attr);
- pthread_mutex_init(&thread_lock, NULL);
- pthread_cond_init(&thread_parent, NULL);
- pthread_cond_init(&thread_worker, NULL);
+ mutex_init(&thread_lock);
+ cond_init(&thread_parent);
+ cond_init(&thread_worker);
for (j = 0; j < bench_repeat && !done; j++) {
unsigned int nwoken = 0;
struct timeval start, end, runtime;
/* create, launch & block all threads */
- block_threads(worker, thread_attr);
+ block_threads(worker, cpu);
/* make sure all threads are already blocked */
- pthread_mutex_lock(&thread_lock);
+ mutex_lock(&thread_lock);
while (threads_starting)
- pthread_cond_wait(&thread_parent, &thread_lock);
- pthread_cond_broadcast(&thread_worker);
- pthread_mutex_unlock(&thread_lock);
+ cond_wait(&thread_parent, &thread_lock);
+ cond_broadcast(&thread_worker);
+ mutex_unlock(&thread_lock);
usleep(100000);
/* Ok, all threads are patiently blocked, start waking folks up */
gettimeofday(&start, NULL);
- while (nwoken != nthreads)
- nwoken += futex_wake(&futex1, nwakes, futex_flag);
+ while (nwoken != params.nthreads)
+ nwoken += futex_wake(&futex1,
+ params.nwakes, futex_flag);
gettimeofday(&end, NULL);
timersub(&end, &start, &runtime);
update_stats(&wakeup_stats, nwoken);
update_stats(&waketime_stats, runtime.tv_usec);
- if (!silent) {
+ if (!params.silent) {
printf("[Run %d]: Wokeup %d of %d threads in %.4f ms\n",
- j + 1, nwoken, nthreads, runtime.tv_usec / (double)USEC_PER_MSEC);
+ j + 1, nwoken, params.nthreads,
+ runtime.tv_usec / (double)USEC_PER_MSEC);
}
- for (i = 0; i < nthreads; i++) {
+ for (i = 0; i < params.nthreads; i++) {
ret = pthread_join(worker[i], NULL);
if (ret)
err(EXIT_FAILURE, "pthread_join");
@@ -195,13 +229,13 @@ int bench_futex_wake(int argc, const char **argv)
}
/* cleanup & report results */
- pthread_cond_destroy(&thread_parent);
- pthread_cond_destroy(&thread_worker);
- pthread_mutex_destroy(&thread_lock);
- pthread_attr_destroy(&thread_attr);
+ cond_destroy(&thread_parent);
+ cond_destroy(&thread_worker);
+ mutex_destroy(&thread_lock);
print_summary();
free(worker);
+ perf_cpu_map__put(cpu);
return ret;
}
diff --git a/tools/perf/bench/futex.c b/tools/perf/bench/futex.c
new file mode 100644
index 000000000000..1968c9d00b5b
--- /dev/null
+++ b/tools/perf/bench/futex.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <err.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/prctl.h>
+
+#include "futex.h"
+
+#ifndef PR_FUTEX_HASH
+#define PR_FUTEX_HASH 78
+# define PR_FUTEX_HASH_SET_SLOTS 1
+# define PR_FUTEX_HASH_GET_SLOTS 2
+#endif // PR_FUTEX_HASH
+
+void futex_set_nbuckets_param(struct bench_futex_parameters *params)
+{
+ int ret;
+
+ if (params->nbuckets < 0)
+ return;
+
+ ret = prctl(PR_FUTEX_HASH, PR_FUTEX_HASH_SET_SLOTS, params->nbuckets, 0);
+ if (ret) {
+ printf("Requesting %d hash buckets failed: %d/%m\n",
+ params->nbuckets, ret);
+ err(EXIT_FAILURE, "prctl(PR_FUTEX_HASH)");
+ }
+}
+
+void futex_print_nbuckets(struct bench_futex_parameters *params)
+{
+ char *futex_hash_mode;
+ int ret;
+
+ ret = prctl(PR_FUTEX_HASH, PR_FUTEX_HASH_GET_SLOTS);
+ if (params->nbuckets >= 0) {
+ if (ret != params->nbuckets) {
+ if (ret < 0) {
+ printf("Can't query number of buckets: %m\n");
+ err(EXIT_FAILURE, "prctl(PR_FUTEX_HASH)");
+ }
+ printf("Requested number of hash buckets does not currently used.\n");
+ printf("Requested: %d in usage: %d\n", params->nbuckets, ret);
+ err(EXIT_FAILURE, "prctl(PR_FUTEX_HASH)");
+ }
+ if (params->nbuckets == 0)
+ ret = asprintf(&futex_hash_mode, "Futex hashing: global hash");
+ else
+ ret = asprintf(&futex_hash_mode, "Futex hashing: %d hash buckets",
+ params->nbuckets);
+ } else {
+ if (ret <= 0) {
+ ret = asprintf(&futex_hash_mode, "Futex hashing: global hash");
+ } else {
+ ret = asprintf(&futex_hash_mode, "Futex hashing: auto resized to %d buckets",
+ ret);
+ }
+ }
+ if (ret < 0)
+ err(EXIT_FAILURE, "ENOMEM, futex_hash_mode");
+ printf("%s\n", futex_hash_mode);
+ free(futex_hash_mode);
+}
diff --git a/tools/perf/bench/futex.h b/tools/perf/bench/futex.h
index e44fd3239530..fcb72d682cf8 100644
--- a/tools/perf/bench/futex.h
+++ b/tools/perf/bench/futex.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Glibc independent futex library for testing kernel functionality.
* Shamelessly stolen from Darren Hart <dvhltc@us.ibm.com>
@@ -7,33 +8,58 @@
#ifndef _FUTEX_H
#define _FUTEX_H
+#include <stdbool.h>
#include <unistd.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <linux/futex.h>
+struct bench_futex_parameters {
+ bool silent;
+ bool fshared;
+ bool mlockall;
+ bool multi; /* lock-pi */
+ bool pi; /* requeue-pi */
+ bool broadcast; /* requeue */
+ unsigned int runtime; /* seconds*/
+ unsigned int nthreads;
+ unsigned int nfutexes;
+ unsigned int nwakes;
+ unsigned int nrequeue;
+ int nbuckets;
+};
+
/**
- * futex() - SYS_futex syscall wrapper
+ * futex_syscall() - SYS_futex syscall wrapper
* @uaddr: address of first futex
* @op: futex op code
* @val: typically expected value of uaddr, but varies by op
* @timeout: typically an absolute struct timespec (except where noted
* otherwise). Overloaded by some ops
- * @uaddr2: address of second futex for some ops\
+ * @uaddr2: address of second futex for some ops
* @val3: varies by op
* @opflags: flags to be bitwise OR'd with op, such as FUTEX_PRIVATE_FLAG
*
- * futex() is used by all the following futex op wrappers. It can also be
+ * futex_syscall() is used by all the following futex op wrappers. It can also be
* used for misuse and abuse testing. Generally, the specific op wrappers
- * should be used instead. It is a macro instead of an static inline function as
- * some of the types over overloaded (timeout is used for nr_requeue for
- * example).
+ * should be used instead.
*
* These argument descriptions are the defaults for all
* like-named arguments in the following wrappers except where noted below.
*/
-#define futex(uaddr, op, val, timeout, uaddr2, val3, opflags) \
- syscall(SYS_futex, uaddr, op | opflags, val, timeout, uaddr2, val3)
+static inline int
+futex_syscall(volatile u_int32_t *uaddr, int op, u_int32_t val, struct timespec *timeout,
+ volatile u_int32_t *uaddr2, int val3, int opflags)
+{
+ return syscall(SYS_futex, uaddr, op | opflags, val, timeout, uaddr2, val3);
+}
+
+static inline int
+futex_syscall_nr_requeue(volatile u_int32_t *uaddr, int op, u_int32_t val, int nr_requeue,
+ volatile u_int32_t *uaddr2, int val3, int opflags)
+{
+ return syscall(SYS_futex, uaddr, op | opflags, val, nr_requeue, uaddr2, val3);
+}
/**
* futex_wait() - block on uaddr with optional timeout
@@ -42,7 +68,7 @@
static inline int
futex_wait(u_int32_t *uaddr, u_int32_t val, struct timespec *timeout, int opflags)
{
- return futex(uaddr, FUTEX_WAIT, val, timeout, NULL, 0, opflags);
+ return futex_syscall(uaddr, FUTEX_WAIT, val, timeout, NULL, 0, opflags);
}
/**
@@ -52,7 +78,7 @@ futex_wait(u_int32_t *uaddr, u_int32_t val, struct timespec *timeout, int opflag
static inline int
futex_wake(u_int32_t *uaddr, int nr_wake, int opflags)
{
- return futex(uaddr, FUTEX_WAKE, nr_wake, NULL, NULL, 0, opflags);
+ return futex_syscall(uaddr, FUTEX_WAKE, nr_wake, NULL, NULL, 0, opflags);
}
/**
@@ -61,7 +87,7 @@ futex_wake(u_int32_t *uaddr, int nr_wake, int opflags)
static inline int
futex_lock_pi(u_int32_t *uaddr, struct timespec *timeout, int opflags)
{
- return futex(uaddr, FUTEX_LOCK_PI, 0, timeout, NULL, 0, opflags);
+ return futex_syscall(uaddr, FUTEX_LOCK_PI, 0, timeout, NULL, 0, opflags);
}
/**
@@ -70,31 +96,56 @@ futex_lock_pi(u_int32_t *uaddr, struct timespec *timeout, int opflags)
static inline int
futex_unlock_pi(u_int32_t *uaddr, int opflags)
{
- return futex(uaddr, FUTEX_UNLOCK_PI, 0, NULL, NULL, 0, opflags);
+ return futex_syscall(uaddr, FUTEX_UNLOCK_PI, 0, NULL, NULL, 0, opflags);
}
/**
* futex_cmp_requeue() - requeue tasks from uaddr to uaddr2
* @nr_wake: wake up to this many tasks
-* @nr_requeue: requeue up to this many tasks
+* @nr_requeue: requeue up to this many tasks
*/
static inline int
futex_cmp_requeue(u_int32_t *uaddr, u_int32_t val, u_int32_t *uaddr2, int nr_wake,
int nr_requeue, int opflags)
{
- return futex(uaddr, FUTEX_CMP_REQUEUE, nr_wake, nr_requeue, uaddr2,
- val, opflags);
+ return futex_syscall_nr_requeue(uaddr, FUTEX_CMP_REQUEUE, nr_wake, nr_requeue, uaddr2,
+ val, opflags);
+}
+
+/**
+ * futex_wait_requeue_pi() - block on uaddr and prepare to requeue to uaddr2
+ * @uaddr: non-PI futex source
+ * @uaddr2: PI futex target
+ *
+ * This is the first half of the requeue_pi mechanism. It shall always be
+ * paired with futex_cmp_requeue_pi().
+ */
+static inline int
+futex_wait_requeue_pi(u_int32_t *uaddr, u_int32_t val, u_int32_t *uaddr2,
+ struct timespec *timeout, int opflags)
+{
+ return futex_syscall(uaddr, FUTEX_WAIT_REQUEUE_PI, val, timeout, uaddr2, 0,
+ opflags);
}
-#ifndef HAVE_PTHREAD_ATTR_SETAFFINITY_NP
-#include <pthread.h>
-#include <linux/compiler.h>
-static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr __maybe_unused,
- size_t cpusetsize __maybe_unused,
- cpu_set_t *cpuset __maybe_unused)
+/**
+ * futex_cmp_requeue_pi() - requeue tasks from uaddr to uaddr2
+ * @uaddr: non-PI futex source
+ * @uaddr2: PI futex target
+ * @nr_requeue: requeue up to this many tasks
+ *
+ * This is the second half of the requeue_pi mechanism. It shall always be
+ * paired with futex_wait_requeue_pi(). The first waker is always awoken.
+ */
+static inline int
+futex_cmp_requeue_pi(u_int32_t *uaddr, u_int32_t val, u_int32_t *uaddr2,
+ int nr_requeue, int opflags)
{
- return 0;
+ return futex_syscall_nr_requeue(uaddr, FUTEX_CMP_REQUEUE_PI, 1, nr_requeue, uaddr2,
+ val, opflags);
}
-#endif
+
+void futex_set_nbuckets_param(struct bench_futex_parameters *params);
+void futex_print_nbuckets(struct bench_futex_parameters *params);
#endif /* _FUTEX_H */
diff --git a/tools/perf/bench/inject-buildid.c b/tools/perf/bench/inject-buildid.c
new file mode 100644
index 000000000000..aad572a78d7f
--- /dev/null
+++ b/tools/perf/bench/inject-buildid.c
@@ -0,0 +1,486 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdlib.h>
+#include <stddef.h>
+#include <ftw.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+#include <linux/kernel.h>
+#include <linux/time64.h>
+#include <linux/list.h>
+#include <linux/err.h>
+#include <linux/zalloc.h>
+#include <internal/lib.h>
+#include <subcmd/parse-options.h>
+
+#include "bench.h"
+#include "util/data.h"
+#include "util/stat.h"
+#include "util/debug.h"
+#include "util/symbol.h"
+#include "util/session.h"
+#include "util/build-id.h"
+#include "util/sample.h"
+#include "util/synthetic-events.h"
+
+#define MMAP_DEV_MAJOR 8
+#define DSO_MMAP_RATIO 4
+
+static unsigned int iterations = 100;
+static unsigned int nr_mmaps = 100;
+static unsigned int nr_samples = 100; /* samples per mmap */
+
+static u64 bench_sample_type;
+static u16 bench_id_hdr_size;
+
+struct bench_data {
+ int pid;
+ int input_pipe[2];
+ int output_pipe[2];
+ pthread_t th;
+};
+
+struct bench_dso {
+ struct list_head list;
+ char *name;
+ int ino;
+};
+
+static int nr_dsos;
+static struct bench_dso *dsos;
+
+extern int main(int argc, const char **argv);
+
+static const struct option options[] = {
+ OPT_UINTEGER('i', "iterations", &iterations,
+ "Number of iterations used to compute average (default: 100)"),
+ OPT_UINTEGER('m', "nr-mmaps", &nr_mmaps,
+ "Number of mmap events for each iteration (default: 100)"),
+ OPT_UINTEGER('n', "nr-samples", &nr_samples,
+ "Number of sample events per mmap event (default: 100)"),
+ OPT_INCR('v', "verbose", &verbose,
+ "be more verbose (show iteration count, DSO name, etc)"),
+ OPT_END()
+};
+
+static const char *const bench_usage[] = {
+ "perf bench internals inject-build-id <options>",
+ NULL
+};
+
+/*
+ * Helper for collect_dso that adds the given file as a dso to dso_list
+ * if it contains a build-id. Stops after collecting 4 times more than
+ * we need (for MMAP2 events).
+ */
+static int add_dso(const char *fpath, const struct stat *sb __maybe_unused,
+ int typeflag, struct FTW *ftwbuf __maybe_unused)
+{
+ struct bench_dso *dso = &dsos[nr_dsos];
+ struct build_id bid = { .size = 0, };
+
+ if (typeflag == FTW_D || typeflag == FTW_SL)
+ return 0;
+
+ if (filename__read_build_id(fpath, &bid) < 0)
+ return 0;
+
+ dso->name = realpath(fpath, NULL);
+ if (dso->name == NULL)
+ return -1;
+
+ dso->ino = nr_dsos++;
+ pr_debug2(" Adding DSO: %s\n", fpath);
+
+ /* stop if we collected enough DSOs */
+ if ((unsigned int)nr_dsos == DSO_MMAP_RATIO * nr_mmaps)
+ return 1;
+
+ return 0;
+}
+
+static void collect_dso(void)
+{
+ dsos = calloc(nr_mmaps * DSO_MMAP_RATIO, sizeof(*dsos));
+ if (dsos == NULL) {
+ printf(" Memory allocation failed\n");
+ exit(1);
+ }
+
+ if (nftw("/usr/lib/", add_dso, 10, FTW_PHYS) < 0)
+ return;
+
+ pr_debug(" Collected %d DSOs\n", nr_dsos);
+}
+
+static void release_dso(void)
+{
+ int i;
+
+ for (i = 0; i < nr_dsos; i++) {
+ struct bench_dso *dso = &dsos[i];
+
+ zfree(&dso->name);
+ }
+ free(dsos);
+}
+
+/* Fake address used by mmap and sample events */
+static u64 dso_map_addr(struct bench_dso *dso)
+{
+ return 0x400000ULL + dso->ino * 8192ULL;
+}
+
+static ssize_t synthesize_attr(struct bench_data *data)
+{
+ union perf_event event;
+
+ memset(&event, 0, sizeof(event.attr) + sizeof(u64));
+
+ event.header.type = PERF_RECORD_HEADER_ATTR;
+ event.header.size = sizeof(event.attr) + sizeof(u64);
+
+ event.attr.attr.type = PERF_TYPE_SOFTWARE;
+ event.attr.attr.config = PERF_COUNT_SW_TASK_CLOCK;
+ event.attr.attr.exclude_kernel = 1;
+ event.attr.attr.sample_id_all = 1;
+ event.attr.attr.sample_type = bench_sample_type;
+
+ return writen(data->input_pipe[1], &event, event.header.size);
+}
+
+static ssize_t synthesize_fork(struct bench_data *data)
+{
+ union perf_event event;
+
+ memset(&event, 0, sizeof(event.fork) + bench_id_hdr_size);
+
+ event.header.type = PERF_RECORD_FORK;
+ event.header.misc = PERF_RECORD_MISC_FORK_EXEC;
+ event.header.size = sizeof(event.fork) + bench_id_hdr_size;
+
+ event.fork.ppid = 1;
+ event.fork.ptid = 1;
+ event.fork.pid = data->pid;
+ event.fork.tid = data->pid;
+
+ return writen(data->input_pipe[1], &event, event.header.size);
+}
+
+static ssize_t synthesize_mmap(struct bench_data *data, struct bench_dso *dso, u64 timestamp)
+{
+ union perf_event event;
+ size_t len = offsetof(struct perf_record_mmap2, filename);
+ u64 *id_hdr_ptr = (void *)&event;
+ int ts_idx;
+
+ len += roundup(strlen(dso->name) + 1, 8) + bench_id_hdr_size;
+
+ memset(&event, 0, min(len, sizeof(event.mmap2)));
+
+ event.header.type = PERF_RECORD_MMAP2;
+ event.header.misc = PERF_RECORD_MISC_USER;
+ event.header.size = len;
+
+ event.mmap2.pid = data->pid;
+ event.mmap2.tid = data->pid;
+ event.mmap2.maj = MMAP_DEV_MAJOR;
+ event.mmap2.ino = dso->ino;
+
+ strcpy(event.mmap2.filename, dso->name);
+
+ event.mmap2.start = dso_map_addr(dso);
+ event.mmap2.len = 4096;
+ event.mmap2.prot = PROT_EXEC;
+
+ if (len > sizeof(event.mmap2)) {
+ /* write mmap2 event first */
+ if (writen(data->input_pipe[1], &event, len - bench_id_hdr_size) < 0)
+ return -1;
+ /* zero-fill sample id header */
+ memset(id_hdr_ptr, 0, bench_id_hdr_size);
+ /* put timestamp in the right position */
+ ts_idx = (bench_id_hdr_size / sizeof(u64)) - 2;
+ id_hdr_ptr[ts_idx] = timestamp;
+ if (writen(data->input_pipe[1], id_hdr_ptr, bench_id_hdr_size) < 0)
+ return -1;
+
+ return len;
+ }
+
+ ts_idx = (len / sizeof(u64)) - 2;
+ id_hdr_ptr[ts_idx] = timestamp;
+ return writen(data->input_pipe[1], &event, len);
+}
+
+static ssize_t synthesize_sample(struct bench_data *data, struct bench_dso *dso, u64 timestamp)
+{
+ union perf_event event;
+ struct perf_sample sample = {
+ .tid = data->pid,
+ .pid = data->pid,
+ .ip = dso_map_addr(dso),
+ .time = timestamp,
+ };
+
+ event.header.type = PERF_RECORD_SAMPLE;
+ event.header.misc = PERF_RECORD_MISC_USER;
+ event.header.size = perf_event__sample_event_size(&sample, bench_sample_type, 0);
+
+ perf_event__synthesize_sample(&event, bench_sample_type, 0, &sample);
+
+ return writen(data->input_pipe[1], &event, event.header.size);
+}
+
+static ssize_t synthesize_flush(struct bench_data *data)
+{
+ struct perf_event_header header = {
+ .size = sizeof(header),
+ .type = PERF_RECORD_FINISHED_ROUND,
+ };
+
+ return writen(data->input_pipe[1], &header, header.size);
+}
+
+static void *data_reader(void *arg)
+{
+ struct bench_data *data = arg;
+ char buf[8192];
+ int flag;
+ int n;
+
+ flag = fcntl(data->output_pipe[0], F_GETFL);
+ fcntl(data->output_pipe[0], F_SETFL, flag | O_NONBLOCK);
+
+ /* read out data from child */
+ while (true) {
+ n = read(data->output_pipe[0], buf, sizeof(buf));
+ if (n > 0)
+ continue;
+ if (n == 0)
+ break;
+
+ if (errno != EINTR && errno != EAGAIN)
+ break;
+
+ usleep(100);
+ }
+
+ close(data->output_pipe[0]);
+ return NULL;
+}
+
+static int setup_injection(struct bench_data *data, bool build_id_all)
+{
+ int ready_pipe[2];
+ int dev_null_fd;
+ char buf;
+
+ if (pipe(ready_pipe) < 0)
+ return -1;
+
+ if (pipe(data->input_pipe) < 0)
+ return -1;
+
+ if (pipe(data->output_pipe) < 0)
+ return -1;
+
+ data->pid = fork();
+ if (data->pid < 0)
+ return -1;
+
+ if (data->pid == 0) {
+ const char **inject_argv;
+ int inject_argc = 3;
+
+ close(data->input_pipe[1]);
+ close(data->output_pipe[0]);
+ close(ready_pipe[0]);
+
+ dup2(data->input_pipe[0], STDIN_FILENO);
+ close(data->input_pipe[0]);
+ dup2(data->output_pipe[1], STDOUT_FILENO);
+ close(data->output_pipe[1]);
+
+ dev_null_fd = open("/dev/null", O_WRONLY);
+ if (dev_null_fd < 0)
+ exit(1);
+
+ dup2(dev_null_fd, STDERR_FILENO);
+
+ if (build_id_all)
+ inject_argc++;
+
+ inject_argv = calloc(inject_argc + 1, sizeof(*inject_argv));
+ if (inject_argv == NULL)
+ exit(1);
+
+ inject_argv[0] = strdup("perf");
+ inject_argv[1] = strdup("inject");
+ inject_argv[2] = strdup("-b");
+ if (build_id_all)
+ inject_argv[3] = strdup("--buildid-all");
+
+ /* signal that we're ready to go */
+ close(ready_pipe[1]);
+
+ main(inject_argc, inject_argv);
+
+ exit(0);
+ }
+
+ pthread_create(&data->th, NULL, data_reader, data);
+
+ close(ready_pipe[1]);
+ close(data->input_pipe[0]);
+ close(data->output_pipe[1]);
+
+ /* wait for child ready */
+ if (read(ready_pipe[0], &buf, 1) < 0)
+ return -1;
+ close(ready_pipe[0]);
+
+ return 0;
+}
+
+static int inject_build_id(struct bench_data *data, u64 *max_rss)
+{
+ int status;
+ unsigned int i, k;
+ struct rusage rusage;
+
+ /* this makes the child to run */
+ if (perf_header__write_pipe(data->input_pipe[1]) < 0)
+ return -1;
+
+ if (synthesize_attr(data) < 0)
+ return -1;
+
+ if (synthesize_fork(data) < 0)
+ return -1;
+
+ for (i = 0; i < nr_mmaps; i++) {
+ int idx = rand() % nr_dsos;
+ struct bench_dso *dso = &dsos[idx];
+ u64 timestamp = rand() % 1000000;
+
+ pr_debug2(" [%d] injecting: %s\n", i+1, dso->name);
+ if (synthesize_mmap(data, dso, timestamp) < 0)
+ return -1;
+
+ for (k = 0; k < nr_samples; k++) {
+ if (synthesize_sample(data, dso, timestamp + k * 1000) < 0)
+ return -1;
+ }
+
+ if ((i + 1) % 10 == 0) {
+ if (synthesize_flush(data) < 0)
+ return -1;
+ }
+ }
+
+ /* this makes the child to finish */
+ close(data->input_pipe[1]);
+
+ wait4(data->pid, &status, 0, &rusage);
+ *max_rss = rusage.ru_maxrss;
+
+ pr_debug(" Child %d exited with %d\n", data->pid, status);
+
+ return 0;
+}
+
+static void do_inject_loop(struct bench_data *data, bool build_id_all)
+{
+ unsigned int i;
+ struct stats time_stats, mem_stats;
+ double time_average, time_stddev;
+ double mem_average, mem_stddev;
+
+ init_stats(&time_stats);
+ init_stats(&mem_stats);
+
+ pr_debug(" Build-id%s injection benchmark\n", build_id_all ? "-all" : "");
+
+ for (i = 0; i < iterations; i++) {
+ struct timeval start, end, diff;
+ u64 runtime_us, max_rss;
+
+ pr_debug(" Iteration #%d\n", i+1);
+
+ if (setup_injection(data, build_id_all) < 0) {
+ printf(" Build-id injection setup failed\n");
+ break;
+ }
+
+ gettimeofday(&start, NULL);
+ if (inject_build_id(data, &max_rss) < 0) {
+ printf(" Build-id injection failed\n");
+ break;
+ }
+
+ gettimeofday(&end, NULL);
+ timersub(&end, &start, &diff);
+ runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ update_stats(&time_stats, runtime_us);
+ update_stats(&mem_stats, max_rss);
+
+ pthread_join(data->th, NULL);
+ }
+
+ time_average = avg_stats(&time_stats) / USEC_PER_MSEC;
+ time_stddev = stddev_stats(&time_stats) / USEC_PER_MSEC;
+ printf(" Average build-id%s injection took: %.3f msec (+- %.3f msec)\n",
+ build_id_all ? "-all" : "", time_average, time_stddev);
+
+ /* each iteration, it processes MMAP2 + BUILD_ID + nr_samples * SAMPLE */
+ time_average = avg_stats(&time_stats) / (nr_mmaps * (nr_samples + 2));
+ time_stddev = stddev_stats(&time_stats) / (nr_mmaps * (nr_samples + 2));
+ printf(" Average time per event: %.3f usec (+- %.3f usec)\n",
+ time_average, time_stddev);
+
+ mem_average = avg_stats(&mem_stats);
+ mem_stddev = stddev_stats(&mem_stats);
+ printf(" Average memory usage: %.0f KB (+- %.0f KB)\n",
+ mem_average, mem_stddev);
+}
+
+static int do_inject_loops(struct bench_data *data)
+{
+
+ srand(time(NULL));
+ symbol__init(NULL);
+
+ bench_sample_type = PERF_SAMPLE_IDENTIFIER | PERF_SAMPLE_IP;
+ bench_sample_type |= PERF_SAMPLE_TID | PERF_SAMPLE_TIME;
+ bench_id_hdr_size = 32;
+
+ collect_dso();
+ if (nr_dsos == 0) {
+ printf(" Cannot collect DSOs for injection\n");
+ return -1;
+ }
+
+ do_inject_loop(data, false);
+ do_inject_loop(data, true);
+
+ release_dso();
+ return 0;
+}
+
+int bench_inject_build_id(int argc, const char **argv)
+{
+ struct bench_data data;
+
+ argc = parse_options(argc, argv, options, bench_usage, 0);
+ if (argc) {
+ usage_with_options(bench_usage, options);
+ exit(EXIT_FAILURE);
+ }
+
+ return do_inject_loops(&data);
+}
+
diff --git a/tools/perf/bench/kallsyms-parse.c b/tools/perf/bench/kallsyms-parse.c
new file mode 100644
index 000000000000..2b0d0f980ae9
--- /dev/null
+++ b/tools/perf/bench/kallsyms-parse.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Benchmark of /proc/kallsyms parsing.
+ *
+ * Copyright 2020 Google LLC.
+ */
+#include <stdlib.h>
+#include "bench.h"
+#include "../util/stat.h"
+#include <linux/time64.h>
+#include <subcmd/parse-options.h>
+#include <symbol/kallsyms.h>
+
+static unsigned int iterations = 100;
+
+static const struct option options[] = {
+ OPT_UINTEGER('i', "iterations", &iterations,
+ "Number of iterations used to compute average"),
+ OPT_END()
+};
+
+static const char *const bench_usage[] = {
+ "perf bench internals kallsyms-parse <options>",
+ NULL
+};
+
+static int bench_process_symbol(void *arg __maybe_unused,
+ const char *name __maybe_unused,
+ char type __maybe_unused,
+ u64 start __maybe_unused)
+{
+ return 0;
+}
+
+static int do_kallsyms_parse(void)
+{
+ struct timeval start, end, diff;
+ u64 runtime_us;
+ unsigned int i;
+ double time_average, time_stddev;
+ int err;
+ struct stats time_stats;
+
+ init_stats(&time_stats);
+
+ for (i = 0; i < iterations; i++) {
+ gettimeofday(&start, NULL);
+ err = kallsyms__parse("/proc/kallsyms", NULL,
+ bench_process_symbol);
+ if (err)
+ return err;
+
+ gettimeofday(&end, NULL);
+ timersub(&end, &start, &diff);
+ runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ update_stats(&time_stats, runtime_us);
+ }
+
+ time_average = avg_stats(&time_stats) / USEC_PER_MSEC;
+ time_stddev = stddev_stats(&time_stats) / USEC_PER_MSEC;
+ printf(" Average kallsyms__parse took: %.3f ms (+- %.3f ms)\n",
+ time_average, time_stddev);
+ return 0;
+}
+
+int bench_kallsyms_parse(int argc, const char **argv)
+{
+ argc = parse_options(argc, argv, options, bench_usage, 0);
+ if (argc) {
+ usage_with_options(bench_usage, options);
+ exit(EXIT_FAILURE);
+ }
+
+ return do_kallsyms_parse();
+}
diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c
index d1dea33dcfcf..2908a3a796c9 100644
--- a/tools/perf/bench/mem-functions.c
+++ b/tools/perf/bench/mem-functions.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* mem-memcpy.c
*
@@ -7,11 +8,11 @@
*/
#include "debug.h"
-#include "../perf.h"
-#include "../util/util.h"
+#include "../perf-sys.h"
#include <subcmd/parse-options.h>
#include "../util/header.h"
#include "../util/cloexec.h"
+#include "../util/string2.h"
#include "bench.h"
#include "mem-memcpy-arch.h"
#include "mem-memset-arch.h"
@@ -19,27 +20,41 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#include <sys/time.h>
+#include <sys/mman.h>
#include <errno.h>
#include <linux/time64.h>
+#include <linux/log2.h>
#define K 1024
+#define PAGE_SHIFT_4KB 12
+#define PAGE_SHIFT_2MB 21
+#define PAGE_SHIFT_1GB 30
+
static const char *size_str = "1MB";
static const char *function_str = "all";
-static int nr_loops = 1;
+static const char *page_size_str = "4KB";
+static const char *chunk_size_str = "0";
+static unsigned int nr_loops = 1;
static bool use_cycles;
static int cycles_fd;
+static unsigned int seed;
-static const struct option options[] = {
+static const struct option bench_common_options[] = {
OPT_STRING('s', "size", &size_str, "1MB",
"Specify the size of the memory buffers. "
"Available units: B, KB, MB, GB and TB (case insensitive)"),
+ OPT_STRING('p', "page", &page_size_str, "4KB",
+ "Specify page-size for mapping memory buffers. "
+ "Available sizes: 4KB, 2MB, 1GB (case insensitive)"),
+
OPT_STRING('f', "function", &function_str, "all",
"Specify the function to run, \"all\" runs all available functions, \"help\" lists them"),
- OPT_INTEGER('l', "nr_loops", &nr_loops,
+ OPT_UINTEGER('l', "nr_loops", &nr_loops,
"Specify the number of loops to run. (default: 1)"),
OPT_BOOLEAN('c', "cycles", &use_cycles,
@@ -48,15 +63,56 @@ static const struct option options[] = {
OPT_END()
};
+static const struct option bench_mem_options[] = {
+ OPT_STRING('k', "chunk", &chunk_size_str, "0",
+ "Specify the chunk-size for each invocation. "
+ "Available units: B, KB, MB, GB and TB (case insensitive)"),
+ OPT_PARENT(bench_common_options),
+ OPT_END()
+};
+
+union bench_clock {
+ u64 cycles;
+ struct timeval tv;
+};
+
+struct bench_params {
+ size_t size;
+ size_t size_total;
+ size_t chunk_size;
+ unsigned int nr_loops;
+ unsigned int page_shift;
+ unsigned int seed;
+};
+
+struct bench_mem_info {
+ const struct function *functions;
+ int (*do_op)(const struct function *r, struct bench_params *p,
+ void *src, void *dst, union bench_clock *rt);
+ const char *const *usage;
+ const struct option *options;
+ bool alloc_src;
+};
+
+typedef bool (*mem_init_t)(struct bench_mem_info *, struct bench_params *,
+ void **, void **);
+typedef void (*mem_fini_t)(struct bench_mem_info *, struct bench_params *,
+ void **, void **);
typedef void *(*memcpy_t)(void *, const void *, size_t);
typedef void *(*memset_t)(void *, int, size_t);
+typedef void (*mmap_op_t)(void *, size_t, unsigned int, bool);
struct function {
const char *name;
const char *desc;
- union {
- memcpy_t memcpy;
- memset_t memset;
+ struct {
+ mem_init_t init;
+ mem_fini_t fini;
+ union {
+ memcpy_t memcpy;
+ memset_t memset;
+ mmap_op_t mmap_op;
+ };
} fn;
};
@@ -88,6 +144,34 @@ static u64 get_cycles(void)
return clk;
}
+static void clock_get(union bench_clock *t)
+{
+ if (use_cycles)
+ t->cycles = get_cycles();
+ else
+ BUG_ON(gettimeofday(&t->tv, NULL));
+}
+
+static union bench_clock clock_diff(union bench_clock *s, union bench_clock *e)
+{
+ union bench_clock t;
+
+ if (use_cycles)
+ t.cycles = e->cycles - s->cycles;
+ else
+ timersub(&e->tv, &s->tv, &t.tv);
+
+ return t;
+}
+
+static void clock_accum(union bench_clock *a, union bench_clock *b)
+{
+ if (use_cycles)
+ a->cycles += b->cycles;
+ else
+ timeradd(&a->tv, &b->tv, &a->tv);
+}
+
static double timeval2double(struct timeval *ts)
{
return (double)ts->tv_sec + (double)ts->tv_usec / (double)USEC_PER_SEC;
@@ -104,54 +188,40 @@ static double timeval2double(struct timeval *ts)
printf(" %14lf GB/sec\n", x / K / K / K); \
} while (0)
-struct bench_mem_info {
- const struct function *functions;
- u64 (*do_cycles)(const struct function *r, size_t size, void *src, void *dst);
- double (*do_gettimeofday)(const struct function *r, size_t size, void *src, void *dst);
- const char *const *usage;
- bool alloc_src;
-};
-
-static void __bench_mem_function(struct bench_mem_info *info, int r_idx, size_t size, double size_total)
+static void __bench_mem_function(struct bench_mem_info *info, struct bench_params *p,
+ int r_idx)
{
const struct function *r = &info->functions[r_idx];
double result_bps = 0.0;
- u64 result_cycles = 0;
- void *src = NULL, *dst = zalloc(size);
+ union bench_clock rt = { 0 };
+ void *src = NULL, *dst = NULL;
printf("# function '%s' (%s)\n", r->name, r->desc);
- if (dst == NULL)
- goto out_alloc_failed;
-
- if (info->alloc_src) {
- src = zalloc(size);
- if (src == NULL)
- goto out_alloc_failed;
- }
+ if (r->fn.init && r->fn.init(info, p, &src, &dst))
+ goto out_init_failed;
if (bench_format == BENCH_FORMAT_DEFAULT)
printf("# Copying %s bytes ...\n\n", size_str);
- if (use_cycles) {
- result_cycles = info->do_cycles(r, size, src, dst);
- } else {
- result_bps = info->do_gettimeofday(r, size, src, dst);
- }
+ if (info->do_op(r, p, src, dst, &rt))
+ goto out_test_failed;
switch (bench_format) {
case BENCH_FORMAT_DEFAULT:
if (use_cycles) {
- printf(" %14lf cycles/byte\n", (double)result_cycles/size_total);
+ printf(" %14lf cycles/byte\n", (double)rt.cycles/(double)p->size_total);
} else {
+ result_bps = (double)p->size_total/timeval2double(&rt.tv);
print_bps(result_bps);
}
break;
case BENCH_FORMAT_SIMPLE:
if (use_cycles) {
- printf("%lf\n", (double)result_cycles/size_total);
+ printf("%lf\n", (double)rt.cycles/(double)p->size_total);
} else {
+ result_bps = (double)p->size_total/timeval2double(&rt.tv);
printf("%lf\n", result_bps);
}
break;
@@ -161,22 +231,23 @@ static void __bench_mem_function(struct bench_mem_info *info, int r_idx, size_t
break;
}
+out_test_failed:
out_free:
- free(src);
- free(dst);
+ if (r->fn.fini) r->fn.fini(info, p, &src, &dst);
return;
-out_alloc_failed:
- printf("# Memory allocation failed - maybe size (%s) is too large?\n", size_str);
+out_init_failed:
+ printf("# Memory allocation failed - maybe size (%s) %s?\n", size_str,
+ p->page_shift != PAGE_SHIFT_4KB ? "has insufficient hugepages" : "is too large");
goto out_free;
}
static int bench_mem_common(int argc, const char **argv, struct bench_mem_info *info)
{
int i;
- size_t size;
- double size_total;
+ struct bench_params p = { 0 };
+ unsigned int page_size;
- argc = parse_options(argc, argv, options, info->usage, 0);
+ argc = parse_options(argc, argv, info->options, info->usage, 0);
if (use_cycles) {
i = init_cycles();
@@ -186,17 +257,37 @@ static int bench_mem_common(int argc, const char **argv, struct bench_mem_info *
}
}
- size = (size_t)perf_atoll((char *)size_str);
- size_total = (double)size * nr_loops;
+ p.nr_loops = nr_loops;
+ p.size = (size_t)perf_atoll((char *)size_str);
- if ((s64)size <= 0) {
+ if ((s64)p.size <= 0) {
fprintf(stderr, "Invalid size:%s\n", size_str);
return 1;
}
+ p.size_total = p.size * p.nr_loops;
+
+ p.chunk_size = (size_t)perf_atoll((char *)chunk_size_str);
+ if ((s64)p.chunk_size < 0 || (s64)p.chunk_size > (s64)p.size) {
+ fprintf(stderr, "Invalid chunk_size:%s\n", chunk_size_str);
+ return 1;
+ }
+ if (!p.chunk_size)
+ p.chunk_size = p.size;
+
+ page_size = (unsigned int)perf_atoll((char *)page_size_str);
+ if (page_size != (1 << PAGE_SHIFT_4KB) &&
+ page_size != (1 << PAGE_SHIFT_2MB) &&
+ page_size != (1 << PAGE_SHIFT_1GB)) {
+ fprintf(stderr, "Invalid page-size:%s\n", page_size_str);
+ return 1;
+ }
+ p.page_shift = ilog2(page_size);
+
+ p.seed = seed;
if (!strncmp(function_str, "all", 3)) {
for (i = 0; info->functions[i].name; i++)
- __bench_mem_function(info, i, size, size_total);
+ __bench_mem_function(info, &p, i);
return 0;
}
@@ -215,17 +306,13 @@ static int bench_mem_common(int argc, const char **argv, struct bench_mem_info *
return 1;
}
- __bench_mem_function(info, i, size, size_total);
+ __bench_mem_function(info, &p, i);
return 0;
}
-static u64 do_memcpy_cycles(const struct function *r, size_t size, void *src, void *dst)
+static void memcpy_prefault(memcpy_t fn, size_t size, void *src, void *dst)
{
- u64 cycle_start = 0ULL, cycle_end = 0ULL;
- memcpy_t fn = r->fn.memcpy;
- int i;
-
/* Make sure to always prefault zero pages even if MMAP_THRESH is crossed: */
memset(src, 0, size);
@@ -234,44 +321,83 @@ static u64 do_memcpy_cycles(const struct function *r, size_t size, void *src, vo
* to not measure page fault overhead:
*/
fn(dst, src, size);
+}
+
+static int do_memcpy(const struct function *r, struct bench_params *p,
+ void *src, void *dst, union bench_clock *rt)
+{
+ union bench_clock start, end;
+ memcpy_t fn = r->fn.memcpy;
+
+ memcpy_prefault(fn, p->size, src, dst);
- cycle_start = get_cycles();
- for (i = 0; i < nr_loops; ++i)
- fn(dst, src, size);
- cycle_end = get_cycles();
+ clock_get(&start);
+ for (unsigned int i = 0; i < p->nr_loops; ++i)
+ for (size_t off = 0; off < p->size; off += p->chunk_size)
+ fn(dst + off, src + off, min(p->chunk_size, p->size - off));
+ clock_get(&end);
- return cycle_end - cycle_start;
+ *rt = clock_diff(&start, &end);
+
+ return 0;
}
-static double do_memcpy_gettimeofday(const struct function *r, size_t size, void *src, void *dst)
+static void *bench_mmap(size_t size, bool populate, unsigned int page_shift)
{
- struct timeval tv_start, tv_end, tv_diff;
- memcpy_t fn = r->fn.memcpy;
- int i;
+ void *p;
+ int extra = populate ? MAP_POPULATE : 0;
- /*
- * We prefault the freshly allocated memory range here,
- * to not measure page fault overhead:
- */
- fn(dst, src, size);
+ if (page_shift != PAGE_SHIFT_4KB)
+ extra |= MAP_HUGETLB | (page_shift << MAP_HUGE_SHIFT);
- BUG_ON(gettimeofday(&tv_start, NULL));
- for (i = 0; i < nr_loops; ++i)
- fn(dst, src, size);
- BUG_ON(gettimeofday(&tv_end, NULL));
+ p = mmap(NULL, size, PROT_READ|PROT_WRITE,
+ extra | MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
- timersub(&tv_end, &tv_start, &tv_diff);
+ return p == MAP_FAILED ? NULL : p;
+}
+
+static void bench_munmap(void *p, size_t size)
+{
+ if (p)
+ munmap(p, size);
+}
+
+static bool mem_alloc(struct bench_mem_info *info, struct bench_params *p,
+ void **src, void **dst)
+{
+ bool failed;
+
+ *dst = bench_mmap(p->size, true, p->page_shift);
+ failed = *dst == NULL;
+
+ if (info->alloc_src) {
+ *src = bench_mmap(p->size, true, p->page_shift);
+ failed = failed || *src == NULL;
+ }
+
+ return failed;
+}
- return (double)(((double)size * nr_loops) / timeval2double(&tv_diff));
+static void mem_free(struct bench_mem_info *info __maybe_unused,
+ struct bench_params *p __maybe_unused,
+ void **src, void **dst)
+{
+ bench_munmap(*dst, p->size);
+ bench_munmap(*src, p->size);
+
+ *dst = *src = NULL;
}
struct function memcpy_functions[] = {
{ .name = "default",
.desc = "Default memcpy() provided by glibc",
+ .fn.init = mem_alloc,
+ .fn.fini = mem_free,
.fn.memcpy = memcpy },
#ifdef HAVE_ARCH_X86_64_SUPPORT
-# define MEMCPY_FN(_fn, _name, _desc) {.name = _name, .desc = _desc, .fn.memcpy = _fn},
+# define MEMCPY_FN(_fn, _init, _fini, _name, _desc) \
+ {.name = _name, .desc = _desc, .fn.memcpy = _fn, .fn.init = _init, .fn.fini = _fini },
# include "mem-memcpy-x86-64-asm-def.h"
# undef MEMCPY_FN
#endif
@@ -288,55 +414,36 @@ int bench_mem_memcpy(int argc, const char **argv)
{
struct bench_mem_info info = {
.functions = memcpy_functions,
- .do_cycles = do_memcpy_cycles,
- .do_gettimeofday = do_memcpy_gettimeofday,
+ .do_op = do_memcpy,
.usage = bench_mem_memcpy_usage,
+ .options = bench_mem_options,
.alloc_src = true,
};
return bench_mem_common(argc, argv, &info);
}
-static u64 do_memset_cycles(const struct function *r, size_t size, void *src __maybe_unused, void *dst)
+static int do_memset(const struct function *r, struct bench_params *p,
+ void *src __maybe_unused, void *dst, union bench_clock *rt)
{
- u64 cycle_start = 0ULL, cycle_end = 0ULL;
+ union bench_clock start, end;
memset_t fn = r->fn.memset;
- int i;
/*
* We prefault the freshly allocated memory range here,
* to not measure page fault overhead:
*/
- fn(dst, -1, size);
+ fn(dst, -1, p->size);
- cycle_start = get_cycles();
- for (i = 0; i < nr_loops; ++i)
- fn(dst, i, size);
- cycle_end = get_cycles();
+ clock_get(&start);
+ for (unsigned int i = 0; i < p->nr_loops; ++i)
+ for (size_t off = 0; off < p->size; off += p->chunk_size)
+ fn(dst + off, i, min(p->chunk_size, p->size - off));
+ clock_get(&end);
- return cycle_end - cycle_start;
-}
+ *rt = clock_diff(&start, &end);
-static double do_memset_gettimeofday(const struct function *r, size_t size, void *src __maybe_unused, void *dst)
-{
- struct timeval tv_start, tv_end, tv_diff;
- memset_t fn = r->fn.memset;
- int i;
-
- /*
- * We prefault the freshly allocated memory range here,
- * to not measure page fault overhead:
- */
- fn(dst, -1, size);
-
- BUG_ON(gettimeofday(&tv_start, NULL));
- for (i = 0; i < nr_loops; ++i)
- fn(dst, i, size);
- BUG_ON(gettimeofday(&tv_end, NULL));
-
- timersub(&tv_end, &tv_start, &tv_diff);
-
- return (double)(((double)size * nr_loops) / timeval2double(&tv_diff));
+ return 0;
}
static const char * const bench_mem_memset_usage[] = {
@@ -347,10 +454,13 @@ static const char * const bench_mem_memset_usage[] = {
static const struct function memset_functions[] = {
{ .name = "default",
.desc = "Default memset() provided by glibc",
+ .fn.init = mem_alloc,
+ .fn.fini = mem_free,
.fn.memset = memset },
#ifdef HAVE_ARCH_X86_64_SUPPORT
-# define MEMSET_FN(_fn, _name, _desc) { .name = _name, .desc = _desc, .fn.memset = _fn },
+# define MEMSET_FN(_fn, _init, _fini, _name, _desc) \
+ {.name = _name, .desc = _desc, .fn.memset = _fn, .fn.init = _init, .fn.fini = _fini },
# include "mem-memset-x86-64-asm-def.h"
# undef MEMSET_FN
#endif
@@ -362,9 +472,91 @@ int bench_mem_memset(int argc, const char **argv)
{
struct bench_mem_info info = {
.functions = memset_functions,
- .do_cycles = do_memset_cycles,
- .do_gettimeofday = do_memset_gettimeofday,
+ .do_op = do_memset,
.usage = bench_mem_memset_usage,
+ .options = bench_mem_options,
+ };
+
+ return bench_mem_common(argc, argv, &info);
+}
+
+static void mmap_page_touch(void *dst, size_t size, unsigned int page_shift, bool random)
+{
+ unsigned long npages = size / (1 << page_shift);
+ unsigned long offset = 0, r = 0;
+
+ for (unsigned long i = 0; i < npages; i++) {
+ if (random)
+ r = rand() % (1 << page_shift);
+
+ *((char *)dst + offset + r) = *(char *)(dst + offset + r) + i;
+ offset += 1 << page_shift;
+ }
+}
+
+static int do_mmap(const struct function *r, struct bench_params *p,
+ void *src __maybe_unused, void *dst __maybe_unused,
+ union bench_clock *accum)
+{
+ union bench_clock start, end, diff;
+ mmap_op_t fn = r->fn.mmap_op;
+ bool populate = strcmp(r->name, "populate") == 0;
+
+ if (p->seed)
+ srand(p->seed);
+
+ for (unsigned int i = 0; i < p->nr_loops; i++) {
+ clock_get(&start);
+ dst = bench_mmap(p->size, populate, p->page_shift);
+ if (!dst)
+ goto out;
+
+ fn(dst, p->size, p->page_shift, p->seed);
+ clock_get(&end);
+ diff = clock_diff(&start, &end);
+ clock_accum(accum, &diff);
+
+ bench_munmap(dst, p->size);
+ }
+
+ return 0;
+out:
+ printf("# Memory allocation failed - maybe size (%s) %s?\n", size_str,
+ p->page_shift != PAGE_SHIFT_4KB ? "has insufficient hugepages" : "is too large");
+ return -1;
+}
+
+static const char * const bench_mem_mmap_usage[] = {
+ "perf bench mem mmap <options>",
+ NULL
+};
+
+static const struct function mmap_functions[] = {
+ { .name = "demand",
+ .desc = "Demand loaded mmap()",
+ .fn.mmap_op = mmap_page_touch },
+
+ { .name = "populate",
+ .desc = "Eagerly populated mmap()",
+ .fn.mmap_op = mmap_page_touch },
+
+ { .name = NULL, }
+};
+
+int bench_mem_mmap(int argc, const char **argv)
+{
+ static const struct option bench_mmap_options[] = {
+ OPT_UINTEGER('r', "randomize", &seed,
+ "Seed to randomize page access offset."),
+ OPT_PARENT(bench_common_options),
+ OPT_END()
+ };
+
+ struct bench_mem_info info = {
+ .functions = mmap_functions,
+ .do_op = do_mmap,
+ .usage = bench_mem_mmap_usage,
+ .options = bench_mmap_options,
};
return bench_mem_common(argc, argv, &info);
diff --git a/tools/perf/bench/mem-memcpy-arch.h b/tools/perf/bench/mem-memcpy-arch.h
index 5aad2a9408b0..852e48cfd8fe 100644
--- a/tools/perf/bench/mem-memcpy-arch.h
+++ b/tools/perf/bench/mem-memcpy-arch.h
@@ -1,7 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef HAVE_ARCH_X86_64_SUPPORT
-#define MEMCPY_FN(fn, name, desc) \
+#define MEMCPY_FN(fn, init, fini, name, desc) \
void *fn(void *, const void *, size_t);
#include "mem-memcpy-x86-64-asm-def.h"
diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm-def.h b/tools/perf/bench/mem-memcpy-x86-64-asm-def.h
index 8c0c1a2770c8..f43038f4448b 100644
--- a/tools/perf/bench/mem-memcpy-x86-64-asm-def.h
+++ b/tools/perf/bench/mem-memcpy-x86-64-asm-def.h
@@ -1,12 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
MEMCPY_FN(memcpy_orig,
+ mem_alloc,
+ mem_free,
"x86-64-unrolled",
"unrolled memcpy() in arch/x86/lib/memcpy_64.S")
MEMCPY_FN(__memcpy,
+ mem_alloc,
+ mem_free,
"x86-64-movsq",
"movsq-based memcpy() in arch/x86/lib/memcpy_64.S")
-
-MEMCPY_FN(memcpy_erms,
- "x86-64-movsb",
- "movsb-based memcpy() in arch/x86/lib/memcpy_64.S")
diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S
index f700369bb0f6..1b9fef7efcdc 100644
--- a/tools/perf/bench/mem-memcpy-x86-64-asm.S
+++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S
@@ -1,10 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* Various wrappers to make the kernel .S file build in user-space: */
+// memcpy_orig is being defined as SYM_L_LOCAL but we need it
+#define SYM_FUNC_START_LOCAL(name) \
+ SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
#define memcpy MEMCPY /* don't hide glibc's memcpy() */
#define altinstr_replacement text
#define globl p2align 4; .globl
#define _ASM_EXTABLE_FAULT(x, y)
+#define _ASM_EXTABLE(x, y)
#include "../../arch/x86/lib/memcpy_64.S"
/*
diff --git a/tools/perf/bench/mem-memset-arch.h b/tools/perf/bench/mem-memset-arch.h
index 0d15786d9ae3..278c5da12d63 100644
--- a/tools/perf/bench/mem-memset-arch.h
+++ b/tools/perf/bench/mem-memset-arch.h
@@ -1,7 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef HAVE_ARCH_X86_64_SUPPORT
-#define MEMSET_FN(fn, name, desc) \
+#define MEMSET_FN(fn, init, fini, name, desc) \
void *fn(void *, int, size_t);
#include "mem-memset-x86-64-asm-def.h"
diff --git a/tools/perf/bench/mem-memset-x86-64-asm-def.h b/tools/perf/bench/mem-memset-x86-64-asm-def.h
index f02d028771d9..80ad1b7ea770 100644
--- a/tools/perf/bench/mem-memset-x86-64-asm-def.h
+++ b/tools/perf/bench/mem-memset-x86-64-asm-def.h
@@ -1,12 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
MEMSET_FN(memset_orig,
+ mem_alloc,
+ mem_free,
"x86-64-unrolled",
"unrolled memset() in arch/x86/lib/memset_64.S")
MEMSET_FN(__memset,
+ mem_alloc,
+ mem_free,
"x86-64-stosq",
"movsq-based memset() in arch/x86/lib/memset_64.S")
-
-MEMSET_FN(memset_erms,
- "x86-64-stosb",
- "movsb-based memset() in arch/x86/lib/memset_64.S")
diff --git a/tools/perf/bench/mem-memset-x86-64-asm.S b/tools/perf/bench/mem-memset-x86-64-asm.S
index 58407aa24c1b..abd26c95f1aa 100644
--- a/tools/perf/bench/mem-memset-x86-64-asm.S
+++ b/tools/perf/bench/mem-memset-x86-64-asm.S
@@ -1,3 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// memset_orig is being defined as SYM_L_LOCAL but we need it
+#define SYM_FUNC_START_LOCAL(name) \
+ SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
#define memset MEMSET /* don't hide glibc's memset() */
#define altinstr_replacement text
#define globl p2align 4; .globl
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 1fe43bd5a012..19be2aaf4dc0 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -1,15 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* numa.c
*
* numa: Simulate NUMA-sensitive workload and measure their NUMA performance
*/
-/* For the CLR_() macros */
-#include <pthread.h>
+#include <inttypes.h>
-#include "../perf.h"
-#include "../builtin.h"
-#include "../util/util.h"
#include <subcmd/parse-options.h>
#include "../util/cloexec.h"
@@ -19,6 +16,7 @@
#include <sched.h>
#include <stdio.h>
#include <assert.h>
+#include <debug.h>
#include <malloc.h>
#include <signal.h>
#include <stdlib.h>
@@ -29,14 +27,25 @@
#include <sys/resource.h>
#include <sys/wait.h>
#include <sys/prctl.h>
+#include <sys/stat.h>
#include <sys/types.h>
+#include <linux/kernel.h>
#include <linux/time64.h>
+#include <linux/numa.h>
+#include <linux/zalloc.h>
+#include "../util/header.h"
+#include "../util/mutex.h"
+#include <api/fs/fs.h>
#include <numa.h>
#include <numaif.h>
+#ifndef RUSAGE_THREAD
+# define RUSAGE_THREAD 1
+#endif
+
/*
- * Regular printout to the terminal, supressed if -q is specified:
+ * Regular printout to the terminal, suppressed if -q is specified:
*/
#define tprintf(x...) do { if (g && g->p.show_details >= 0) printf(x); } while (0)
@@ -48,7 +57,7 @@
struct thread_data {
int curr_cpu;
- cpu_set_t bind_cpumask;
+ cpu_set_t *bind_cpumask;
int bind_node;
u8 *process_data;
int process_nr;
@@ -60,7 +69,7 @@ struct thread_data {
u64 system_time_ns;
u64 user_time_ns;
double speed_gbs;
- pthread_mutex_t *process_lock;
+ struct mutex *process_lock;
};
/* Parameters set by options: */
@@ -110,7 +119,6 @@ struct params {
long bytes_thread;
int nr_tasks;
- bool show_quiet;
bool show_convergence;
bool measure_convergence;
@@ -130,15 +138,16 @@ struct params {
struct global_info {
u8 *data;
- pthread_mutex_t startup_mutex;
+ struct mutex startup_mutex;
+ struct cond startup_cond;
int nr_tasks_started;
- pthread_mutex_t startup_done_mutex;
-
- pthread_mutex_t start_work_mutex;
+ struct mutex start_work_mutex;
+ struct cond start_work_cond;
int nr_tasks_working;
+ bool start_work;
- pthread_mutex_t stop_work_mutex;
+ struct mutex stop_work_mutex;
u64 bytes_done;
struct thread_data *threads;
@@ -172,7 +181,7 @@ static const struct option options[] = {
OPT_UINTEGER('s', "nr_secs" , &p0.nr_secs, "max number of seconds to run (default: 5 secs)"),
OPT_UINTEGER('u', "usleep" , &p0.sleep_usecs, "usecs to sleep per loop iteration"),
- OPT_BOOLEAN('R', "data_reads" , &p0.data_reads, "access the data via writes (can be mixed with -W)"),
+ OPT_BOOLEAN('R', "data_reads" , &p0.data_reads, "access the data via reads (can be mixed with -W)"),
OPT_BOOLEAN('W', "data_writes" , &p0.data_writes, "access the data via writes (can be mixed with -R)"),
OPT_BOOLEAN('B', "data_backwards", &p0.data_backwards, "access the data backwards as well"),
OPT_BOOLEAN('Z', "data_zero_memset", &p0.data_zero_memset,"access the data via glibc bzero only"),
@@ -190,7 +199,8 @@ static const struct option options[] = {
OPT_BOOLEAN('c', "show_convergence", &p0.show_convergence, "show convergence details, "
"convergence is reached when each process (all its threads) is running on a single NUMA node."),
OPT_BOOLEAN('m', "measure_convergence", &p0.measure_convergence, "measure convergence latency"),
- OPT_BOOLEAN('q', "quiet" , &p0.show_quiet, "quiet mode"),
+ OPT_BOOLEAN('q', "quiet" , &quiet,
+ "quiet mode (do not show any warnings or messages)"),
OPT_BOOLEAN('S', "serialize-startup", &p0.serialize_startup,"serialize thread startup"),
/* Special option string parsing callbacks: */
@@ -213,72 +223,163 @@ static const char * const numa_usage[] = {
NULL
};
-static cpu_set_t bind_to_cpu(int target_cpu)
+/*
+ * To get number of numa nodes present.
+ */
+static int nr_numa_nodes(void)
{
- cpu_set_t orig_mask, mask;
- int ret;
+ int i, nr_nodes = 0;
- ret = sched_getaffinity(0, sizeof(orig_mask), &orig_mask);
- BUG_ON(ret);
+ for (i = 0; i < g->p.nr_nodes; i++) {
+ if (numa_bitmask_isbitset(numa_nodes_ptr, i))
+ nr_nodes++;
+ }
+
+ return nr_nodes;
+}
+
+/*
+ * To check if given numa node is present.
+ */
+static int is_node_present(int node)
+{
+ return numa_bitmask_isbitset(numa_nodes_ptr, node);
+}
+
+/*
+ * To check given numa node has cpus.
+ */
+static bool node_has_cpus(int node)
+{
+ struct bitmask *cpumask = numa_allocate_cpumask();
+ bool ret = false; /* fall back to nocpus */
+ int cpu;
+
+ BUG_ON(!cpumask);
+ if (!numa_node_to_cpus(node, cpumask)) {
+ for (cpu = 0; cpu < (int)cpumask->size; cpu++) {
+ if (numa_bitmask_isbitset(cpumask, cpu)) {
+ ret = true;
+ break;
+ }
+ }
+ }
+ numa_free_cpumask(cpumask);
+
+ return ret;
+}
+
+static cpu_set_t *bind_to_cpu(int target_cpu)
+{
+ int nrcpus = numa_num_possible_cpus();
+ cpu_set_t *orig_mask, *mask;
+ size_t size;
+
+ orig_mask = CPU_ALLOC(nrcpus);
+ BUG_ON(!orig_mask);
+ size = CPU_ALLOC_SIZE(nrcpus);
+ CPU_ZERO_S(size, orig_mask);
+
+ if (sched_getaffinity(0, size, orig_mask))
+ goto err_out;
+
+ mask = CPU_ALLOC(nrcpus);
+ if (!mask)
+ goto err_out;
- CPU_ZERO(&mask);
+ CPU_ZERO_S(size, mask);
if (target_cpu == -1) {
int cpu;
for (cpu = 0; cpu < g->p.nr_cpus; cpu++)
- CPU_SET(cpu, &mask);
+ CPU_SET_S(cpu, size, mask);
} else {
- BUG_ON(target_cpu < 0 || target_cpu >= g->p.nr_cpus);
- CPU_SET(target_cpu, &mask);
+ if (target_cpu < 0 || target_cpu >= g->p.nr_cpus)
+ goto err;
+
+ CPU_SET_S(target_cpu, size, mask);
}
- ret = sched_setaffinity(0, sizeof(mask), &mask);
- BUG_ON(ret);
+ if (sched_setaffinity(0, size, mask))
+ goto err;
return orig_mask;
+
+err:
+ CPU_FREE(mask);
+err_out:
+ CPU_FREE(orig_mask);
+
+ /* BUG_ON due to failure in allocation of orig_mask/mask */
+ BUG_ON(-1);
+ return NULL;
}
-static cpu_set_t bind_to_node(int target_node)
+static cpu_set_t *bind_to_node(int target_node)
{
- int cpus_per_node = g->p.nr_cpus/g->p.nr_nodes;
- cpu_set_t orig_mask, mask;
+ int nrcpus = numa_num_possible_cpus();
+ size_t size;
+ cpu_set_t *orig_mask, *mask;
int cpu;
- int ret;
- BUG_ON(cpus_per_node*g->p.nr_nodes != g->p.nr_cpus);
- BUG_ON(!cpus_per_node);
+ orig_mask = CPU_ALLOC(nrcpus);
+ BUG_ON(!orig_mask);
+ size = CPU_ALLOC_SIZE(nrcpus);
+ CPU_ZERO_S(size, orig_mask);
- ret = sched_getaffinity(0, sizeof(orig_mask), &orig_mask);
- BUG_ON(ret);
+ if (sched_getaffinity(0, size, orig_mask))
+ goto err_out;
+
+ mask = CPU_ALLOC(nrcpus);
+ if (!mask)
+ goto err_out;
- CPU_ZERO(&mask);
+ CPU_ZERO_S(size, mask);
- if (target_node == -1) {
+ if (target_node == NUMA_NO_NODE) {
for (cpu = 0; cpu < g->p.nr_cpus; cpu++)
- CPU_SET(cpu, &mask);
+ CPU_SET_S(cpu, size, mask);
} else {
- int cpu_start = (target_node + 0) * cpus_per_node;
- int cpu_stop = (target_node + 1) * cpus_per_node;
+ struct bitmask *cpumask = numa_allocate_cpumask();
- BUG_ON(cpu_stop > g->p.nr_cpus);
+ if (!cpumask)
+ goto err;
- for (cpu = cpu_start; cpu < cpu_stop; cpu++)
- CPU_SET(cpu, &mask);
+ if (!numa_node_to_cpus(target_node, cpumask)) {
+ for (cpu = 0; cpu < (int)cpumask->size; cpu++) {
+ if (numa_bitmask_isbitset(cpumask, cpu))
+ CPU_SET_S(cpu, size, mask);
+ }
+ }
+ numa_free_cpumask(cpumask);
}
- ret = sched_setaffinity(0, sizeof(mask), &mask);
- BUG_ON(ret);
+ if (sched_setaffinity(0, size, mask))
+ goto err;
return orig_mask;
+
+err:
+ CPU_FREE(mask);
+err_out:
+ CPU_FREE(orig_mask);
+
+ /* BUG_ON due to failure in allocation of orig_mask/mask */
+ BUG_ON(-1);
+ return NULL;
}
-static void bind_to_cpumask(cpu_set_t mask)
+static void bind_to_cpumask(cpu_set_t *mask)
{
int ret;
+ size_t size = CPU_ALLOC_SIZE(numa_num_possible_cpus());
- ret = sched_setaffinity(0, sizeof(mask), &mask);
- BUG_ON(ret);
+ ret = sched_setaffinity(0, size, mask);
+ if (ret) {
+ CPU_FREE(mask);
+ BUG_ON(ret);
+ }
}
static void mempol_restore(void)
@@ -292,18 +393,22 @@ static void mempol_restore(void)
static void bind_to_memnode(int node)
{
- unsigned long nodemask;
+ struct bitmask *node_mask;
int ret;
- if (node == -1)
+ if (node == NUMA_NO_NODE)
return;
- BUG_ON(g->p.nr_nodes > (int)sizeof(nodemask)*8);
- nodemask = 1L << node;
+ node_mask = numa_allocate_nodemask();
+ BUG_ON(!node_mask);
+
+ numa_bitmask_clearall(node_mask);
+ numa_bitmask_setbit(node_mask, node);
- ret = set_mempolicy(MPOL_BIND, &nodemask, sizeof(nodemask)*8);
- dprintf("binding to node %d, mask: %016lx => %d\n", node, nodemask, ret);
+ ret = set_mempolicy(MPOL_BIND, node_mask->maskp, node_mask->size + 1);
+ dprintf("binding to node %d, mask: %016lx => %d\n", node, *node_mask->maskp, ret);
+ numa_bitmask_free(node_mask);
BUG_ON(ret);
}
@@ -320,7 +425,7 @@ do { \
static u8 *alloc_data(ssize_t bytes0, int map_flags,
int init_zero, int init_cpu0, int thp, int init_random)
{
- cpu_set_t orig_mask;
+ cpu_set_t *orig_mask = NULL;
ssize_t bytes;
u8 *buf;
int ret;
@@ -330,8 +435,10 @@ static u8 *alloc_data(ssize_t bytes0, int map_flags,
/* Allocate and initialize all memory on CPU#0: */
if (init_cpu0) {
- orig_mask = bind_to_node(0);
- bind_to_memnode(0);
+ int node = numa_node_of_cpu(0);
+
+ orig_mask = bind_to_node(node);
+ bind_to_memnode(node);
}
bytes = bytes0 + HPSIZE;
@@ -376,6 +483,7 @@ static u8 *alloc_data(ssize_t bytes0, int map_flags,
/* Restore affinity: */
if (init_cpu0) {
bind_to_cpumask(orig_mask);
+ CPU_FREE(orig_mask);
mempol_restore();
}
@@ -418,18 +526,6 @@ static void * setup_private_data(ssize_t bytes)
return alloc_data(bytes, MAP_PRIVATE, 0, g->p.init_cpu0, g->p.thp, g->p.init_random);
}
-/*
- * Return a process-shared (global) mutex:
- */
-static void init_global_mutex(pthread_mutex_t *mutex)
-{
- pthread_mutexattr_t attr;
-
- pthread_mutexattr_init(&attr);
- pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
- pthread_mutex_init(mutex, &attr);
-}
-
static int parse_cpu_list(const char *arg)
{
p0.cpu_list_str = strdup(arg);
@@ -439,6 +535,57 @@ static int parse_cpu_list(const char *arg)
return 0;
}
+/*
+ * Check whether a CPU is online
+ *
+ * Returns:
+ * 1 -> if CPU is online
+ * 0 -> if CPU is offline
+ * -1 -> error case
+ */
+static int is_cpu_online(unsigned int cpu)
+{
+ char *str;
+ size_t strlen;
+ char buf[256];
+ int status = -1;
+ struct stat statbuf;
+
+ snprintf(buf, sizeof(buf),
+ "/sys/devices/system/cpu/cpu%d", cpu);
+ if (stat(buf, &statbuf) != 0)
+ return 0;
+
+ /*
+ * Check if /sys/devices/system/cpu/cpux/online file
+ * exists. Some cases cpu0 won't have online file since
+ * it is not expected to be turned off generally.
+ * In kernels without CONFIG_HOTPLUG_CPU, this
+ * file won't exist
+ */
+ snprintf(buf, sizeof(buf),
+ "/sys/devices/system/cpu/cpu%d/online", cpu);
+ if (stat(buf, &statbuf) != 0)
+ return 1;
+
+ /*
+ * Read online file using sysfs__read_str.
+ * If read or open fails, return -1.
+ * If read succeeds, return value from file
+ * which gets stored in "str"
+ */
+ snprintf(buf, sizeof(buf),
+ "devices/system/cpu/cpu%d/online", cpu);
+
+ if (sysfs__read_str(buf, &str, &strlen) < 0)
+ return status;
+
+ status = atoi(str);
+
+ free(str);
+ return status;
+}
+
static int parse_setup_cpu_list(void)
{
struct thread_data *td;
@@ -515,10 +662,16 @@ static int parse_setup_cpu_list(void)
return -1;
}
+ if (is_cpu_online(bind_cpu_0) != 1 || is_cpu_online(bind_cpu_1) != 1) {
+ printf("\nTest not applicable, bind_cpu_0 or bind_cpu_1 is offline\n");
+ return -1;
+ }
+
BUG_ON(bind_cpu_0 < 0 || bind_cpu_1 < 0);
BUG_ON(bind_cpu_0 > bind_cpu_1);
for (bind_cpu = bind_cpu_0; bind_cpu <= bind_cpu_1; bind_cpu += step) {
+ size_t size = CPU_ALLOC_SIZE(g->p.nr_cpus);
int i;
for (i = 0; i < mul; i++) {
@@ -538,10 +691,15 @@ static int parse_setup_cpu_list(void)
tprintf("%2d", bind_cpu);
}
- CPU_ZERO(&td->bind_cpumask);
+ td->bind_cpumask = CPU_ALLOC(g->p.nr_cpus);
+ BUG_ON(!td->bind_cpumask);
+ CPU_ZERO_S(size, td->bind_cpumask);
for (cpu = bind_cpu; cpu < bind_cpu+bind_len; cpu++) {
- BUG_ON(cpu < 0 || cpu >= g->p.nr_cpus);
- CPU_SET(cpu, &td->bind_cpumask);
+ if (cpu < 0 || cpu >= g->p.nr_cpus) {
+ CPU_FREE(td->bind_cpumask);
+ BUG_ON(-1);
+ }
+ CPU_SET_S(cpu, size, td->bind_cpumask);
}
t++;
}
@@ -646,7 +804,7 @@ static int parse_setup_node_list(void)
int i;
for (i = 0; i < mul; i++) {
- if (t >= g->p.nr_tasks) {
+ if (t >= g->p.nr_tasks || !node_has_cpus(bind_node)) {
printf("\n# NOTE: ignoring bind NODEs starting at NODE#%d\n", bind_node);
goto out;
}
@@ -680,12 +838,8 @@ static int parse_nodes_opt(const struct option *opt __maybe_unused,
return -1;
return parse_node_list(arg);
-
- return 0;
}
-#define BIT(x) (1ul << x)
-
static inline uint32_t lfsr_32(uint32_t lfsr)
{
const uint32_t taps = BIT(1) | BIT(5) | BIT(6) | BIT(31);
@@ -698,7 +852,7 @@ static inline uint32_t lfsr_32(uint32_t lfsr)
* kernel (KSM, zero page, etc.) cannot optimize away RAM
* accesses:
*/
-static inline u64 access_data(u64 *data __attribute__((unused)), u64 val)
+static inline u64 access_data(u64 *data, u64 val)
{
if (g->p.data_reads)
val += *data;
@@ -746,7 +900,7 @@ static u64 do_work(u8 *__data, long bytes, int nr, int nr_max, int loop, u64 val
if (g->p.data_rand_walk) {
u32 lfsr = nr + loop + val;
- int j;
+ long j;
for (i = 0; i < words/1024; i++) {
long start, end;
@@ -764,12 +918,12 @@ static u64 do_work(u8 *__data, long bytes, int nr, int nr_max, int loop, u64 val
}
}
} else if (!g->p.data_backwards || (nr + loop) & 1) {
+ /* Process data forwards: */
d0 = data + off;
d = data + off + 1;
d1 = data + words;
- /* Process data forwards: */
for (;;) {
if (unlikely(d >= d1))
d = data;
@@ -787,7 +941,6 @@ static u64 do_work(u8 *__data, long bytes, int nr, int nr_max, int loop, u64 val
d = data + off - 1;
d1 = data + words;
- /* Process data forwards: */
for (;;) {
if (unlikely(d < data))
d = data + words-1;
@@ -813,8 +966,6 @@ static void update_curr_cpu(int task_nr, unsigned long bytes_worked)
prctl(0, bytes_worked);
}
-#define MAX_NR_NODES 64
-
/*
* Count the number of nodes a process's threads
* are spread out on.
@@ -825,10 +976,15 @@ static void update_curr_cpu(int task_nr, unsigned long bytes_worked)
*/
static int count_process_nodes(int process_nr)
{
- char node_present[MAX_NR_NODES] = { 0, };
+ char *node_present;
int nodes;
int n, t;
+ node_present = (char *)malloc(g->p.nr_nodes * sizeof(char));
+ BUG_ON(!node_present);
+ for (nodes = 0; nodes < g->p.nr_nodes; nodes++)
+ node_present[nodes] = 0;
+
for (t = 0; t < g->p.nr_threads; t++) {
struct thread_data *td;
int task_nr;
@@ -838,17 +994,20 @@ static int count_process_nodes(int process_nr)
td = g->threads + task_nr;
node = numa_node_of_cpu(td->curr_cpu);
- if (node < 0) /* curr_cpu was likely still -1 */
+ if (node < 0) /* curr_cpu was likely still -1 */ {
+ free(node_present);
return 0;
+ }
node_present[node] = 1;
}
nodes = 0;
- for (n = 0; n < MAX_NR_NODES; n++)
+ for (n = 0; n < g->p.nr_nodes; n++)
nodes += node_present[n];
+ free(node_present);
return nodes;
}
@@ -917,7 +1076,7 @@ static void calc_convergence(double runtime_ns_max, double *convergence)
{
unsigned int loops_done_min, loops_done_max;
int process_groups;
- int nodes[MAX_NR_NODES];
+ int *nodes;
int distance;
int nr_min;
int nr_max;
@@ -931,6 +1090,8 @@ static void calc_convergence(double runtime_ns_max, double *convergence)
if (!g->p.show_convergence && !g->p.measure_convergence)
return;
+ nodes = (int *)malloc(g->p.nr_nodes * sizeof(int));
+ BUG_ON(!nodes);
for (node = 0; node < g->p.nr_nodes; node++)
nodes[node] = 0;
@@ -961,6 +1122,8 @@ static void calc_convergence(double runtime_ns_max, double *convergence)
sum = 0;
for (node = 0; node < g->p.nr_nodes; node++) {
+ if (!is_node_present(node))
+ continue;
nr = nodes[node];
nr_min = min(nr, nr_min);
nr_max = max(nr, nr_max);
@@ -970,8 +1133,10 @@ static void calc_convergence(double runtime_ns_max, double *convergence)
BUG_ON(sum > g->p.nr_tasks);
- if (0 && (sum < g->p.nr_tasks))
+ if (0 && (sum < g->p.nr_tasks)) {
+ free(nodes);
return;
+ }
/*
* Count the number of distinct process groups present
@@ -981,8 +1146,11 @@ static void calc_convergence(double runtime_ns_max, double *convergence)
process_groups = 0;
for (node = 0; node < g->p.nr_nodes; node++) {
- int processes = count_node_processes(node);
+ int processes;
+ if (!is_node_present(node))
+ continue;
+ processes = count_node_processes(node);
nr = nodes[node];
tprintf(" %2d/%-2d", nr, processes);
@@ -1020,6 +1188,8 @@ static void calc_convergence(double runtime_ns_max, double *convergence)
}
tprintf("\n");
}
+
+ free(nodes);
}
static void show_summary(double runtime_ns_max, int l, double *convergence)
@@ -1049,7 +1219,7 @@ static void *worker_thread(void *__tdata)
u8 *global_data;
u8 *process_data;
u8 *thread_data;
- u64 bytes_done;
+ u64 bytes_done, secs;
long work_done;
u32 l;
struct rusage rusage;
@@ -1079,19 +1249,22 @@ static void *worker_thread(void *__tdata)
}
if (g->p.serialize_startup) {
- pthread_mutex_lock(&g->startup_mutex);
+ mutex_lock(&g->startup_mutex);
g->nr_tasks_started++;
- pthread_mutex_unlock(&g->startup_mutex);
+ /* The last thread wakes the main process. */
+ if (g->nr_tasks_started == g->p.nr_tasks)
+ cond_signal(&g->startup_cond);
+
+ mutex_unlock(&g->startup_mutex);
/* Here we will wait for the main process to start us all at once: */
- pthread_mutex_lock(&g->start_work_mutex);
+ mutex_lock(&g->start_work_mutex);
+ g->start_work = false;
g->nr_tasks_working++;
+ while (!g->start_work)
+ cond_wait(&g->start_work_cond, &g->start_work_mutex);
- /* Last one wake the main process: */
- if (g->nr_tasks_working == g->p.nr_tasks)
- pthread_mutex_unlock(&g->startup_done_mutex);
-
- pthread_mutex_unlock(&g->start_work_mutex);
+ mutex_unlock(&g->start_work_mutex);
}
gettimeofday(&start0, NULL);
@@ -1110,17 +1283,17 @@ static void *worker_thread(void *__tdata)
val += do_work(thread_data, g->p.bytes_thread, 0, 1, l, val);
if (g->p.sleep_usecs) {
- pthread_mutex_lock(td->process_lock);
+ mutex_lock(td->process_lock);
usleep(g->p.sleep_usecs);
- pthread_mutex_unlock(td->process_lock);
+ mutex_unlock(td->process_lock);
}
/*
* Amount of work to be done under a process-global lock:
*/
if (g->p.bytes_process_locked) {
- pthread_mutex_lock(td->process_lock);
+ mutex_lock(td->process_lock);
val += do_work(process_data, g->p.bytes_process_locked, thread_nr, g->p.nr_threads, l, val);
- pthread_mutex_unlock(td->process_lock);
+ mutex_unlock(td->process_lock);
}
work_done = g->p.bytes_global + g->p.bytes_process +
@@ -1154,7 +1327,7 @@ static void *worker_thread(void *__tdata)
* by migrating to CPU#0:
*/
if (first_task && g->p.perturb_secs && (int)(stop.tv_sec - last_perturbance) >= g->p.perturb_secs) {
- cpu_set_t orig_mask;
+ cpu_set_t *orig_mask;
int target_cpu;
int this_cpu;
@@ -1178,6 +1351,7 @@ static void *worker_thread(void *__tdata)
printf(" (injecting perturbalance, moved to CPU#%d)\n", target_cpu);
bind_to_cpumask(orig_mask);
+ CPU_FREE(orig_mask);
}
if (details >= 3) {
@@ -1205,7 +1379,8 @@ static void *worker_thread(void *__tdata)
timersub(&stop, &start0, &diff);
td->runtime_ns = diff.tv_sec * NSEC_PER_SEC;
td->runtime_ns += diff.tv_usec * NSEC_PER_USEC;
- td->speed_gbs = bytes_done / (td->runtime_ns / NSEC_PER_SEC) / 1e9;
+ secs = td->runtime_ns / NSEC_PER_SEC;
+ td->speed_gbs = secs ? bytes_done / secs / 1e9 : 0;
getrusage(RUSAGE_THREAD, &rusage);
td->system_time_ns = rusage.ru_stime.tv_sec * NSEC_PER_SEC;
@@ -1215,9 +1390,9 @@ static void *worker_thread(void *__tdata)
free_data(thread_data, g->p.bytes_thread);
- pthread_mutex_lock(&g->stop_work_mutex);
+ mutex_lock(&g->stop_work_mutex);
g->bytes_done += bytes_done;
- pthread_mutex_unlock(&g->stop_work_mutex);
+ mutex_unlock(&g->stop_work_mutex);
return NULL;
}
@@ -1227,7 +1402,7 @@ static void *worker_thread(void *__tdata)
*/
static void worker_process(int process_nr)
{
- pthread_mutex_t process_lock;
+ struct mutex process_lock;
struct thread_data *td;
pthread_t *pthreads;
u8 *process_data;
@@ -1235,7 +1410,7 @@ static void worker_process(int process_nr)
int ret;
int t;
- pthread_mutex_init(&process_lock, NULL);
+ mutex_init(&process_lock);
set_taskname("process %d", process_nr);
/*
@@ -1288,7 +1463,7 @@ static void print_summary(void)
printf("\n ###\n");
printf(" # %d %s will execute (on %d nodes, %d CPUs):\n",
- g->p.nr_tasks, g->p.nr_tasks == 1 ? "task" : "tasks", g->p.nr_nodes, g->p.nr_cpus);
+ g->p.nr_tasks, g->p.nr_tasks == 1 ? "task" : "tasks", nr_numa_nodes(), g->p.nr_cpus);
printf(" # %5dx %5ldMB global shared mem operations\n",
g->p.nr_loops, g->p.bytes_global/1024/1024);
printf(" # %5dx %5ldMB process shared mem operations\n",
@@ -1310,21 +1485,31 @@ static void init_thread_data(void)
for (t = 0; t < g->p.nr_tasks; t++) {
struct thread_data *td = g->threads + t;
+ size_t cpuset_size = CPU_ALLOC_SIZE(g->p.nr_cpus);
int cpu;
/* Allow all nodes by default: */
- td->bind_node = -1;
+ td->bind_node = NUMA_NO_NODE;
/* Allow all CPUs by default: */
- CPU_ZERO(&td->bind_cpumask);
+ td->bind_cpumask = CPU_ALLOC(g->p.nr_cpus);
+ BUG_ON(!td->bind_cpumask);
+ CPU_ZERO_S(cpuset_size, td->bind_cpumask);
for (cpu = 0; cpu < g->p.nr_cpus; cpu++)
- CPU_SET(cpu, &td->bind_cpumask);
+ CPU_SET_S(cpu, cpuset_size, td->bind_cpumask);
}
}
static void deinit_thread_data(void)
{
ssize_t size = sizeof(*g->threads)*g->p.nr_tasks;
+ int t;
+
+ /* Free the bind_cpumask allocated for thread_data */
+ for (t = 0; t < g->p.nr_tasks; t++) {
+ struct thread_data *td = g->threads + t;
+ CPU_FREE(td->bind_cpumask);
+ }
free_data(g->threads, size);
}
@@ -1341,9 +1526,9 @@ static int init(void)
g->p.nr_nodes = numa_max_node() + 1;
/* char array in count_process_nodes(): */
- BUG_ON(g->p.nr_nodes > MAX_NR_NODES || g->p.nr_nodes < 0);
+ BUG_ON(g->p.nr_nodes < 0);
- if (g->p.show_quiet && !g->p.show_details)
+ if (quiet && !g->p.show_details)
g->p.show_details = -1;
/* Some memory should be specified: */
@@ -1384,10 +1569,11 @@ static int init(void)
g->data = setup_shared_data(g->p.bytes_global);
/* Startup serialization: */
- init_global_mutex(&g->start_work_mutex);
- init_global_mutex(&g->startup_mutex);
- init_global_mutex(&g->startup_done_mutex);
- init_global_mutex(&g->stop_work_mutex);
+ mutex_init_pshared(&g->start_work_mutex);
+ cond_init_pshared(&g->start_work_cond);
+ mutex_init_pshared(&g->startup_mutex);
+ cond_init_pshared(&g->startup_cond);
+ mutex_init_pshared(&g->stop_work_mutex);
init_thread_data();
@@ -1421,7 +1607,7 @@ static void print_res(const char *name, double val,
if (!name)
name = "main,";
- if (!g->p.show_quiet)
+ if (!quiet)
printf(" %-30s %15.3f, %-15s %s\n", name, val, txt_unit, txt_short);
else
printf(" %14.3f %s\n", val, txt_long);
@@ -1446,9 +1632,6 @@ static int __bench_numa(const char *name)
pids = zalloc(g->p.nr_proc * sizeof(*pids));
pid = -1;
- /* All threads try to acquire it, this way we can wait for them to start up: */
- pthread_mutex_lock(&g->start_work_mutex);
-
if (g->p.serialize_startup) {
tprintf(" #\n");
tprintf(" # Startup synchronization: ..."); fflush(stdout);
@@ -1470,22 +1653,29 @@ static int __bench_numa(const char *name)
pids[i] = pid;
}
- /* Wait for all the threads to start up: */
- while (g->nr_tasks_started != g->p.nr_tasks)
- usleep(USEC_PER_MSEC);
-
- BUG_ON(g->nr_tasks_started != g->p.nr_tasks);
if (g->p.serialize_startup) {
+ bool threads_ready = false;
double startup_sec;
- pthread_mutex_lock(&g->startup_done_mutex);
-
- /* This will start all threads: */
- pthread_mutex_unlock(&g->start_work_mutex);
-
- /* This mutex is locked - the last started thread will wake us: */
- pthread_mutex_lock(&g->startup_done_mutex);
+ /*
+ * Wait for all the threads to start up. The last thread will
+ * signal this process.
+ */
+ mutex_lock(&g->startup_mutex);
+ while (g->nr_tasks_started != g->p.nr_tasks)
+ cond_wait(&g->startup_cond, &g->startup_mutex);
+
+ mutex_unlock(&g->startup_mutex);
+
+ /* Wait for all threads to be at the start_work_cond. */
+ while (!threads_ready) {
+ mutex_lock(&g->start_work_mutex);
+ threads_ready = (g->nr_tasks_working == g->p.nr_tasks);
+ mutex_unlock(&g->start_work_mutex);
+ if (!threads_ready)
+ usleep(1);
+ }
gettimeofday(&stop, NULL);
@@ -1499,7 +1689,11 @@ static int __bench_numa(const char *name)
tprintf(" #\n");
start = stop;
- pthread_mutex_unlock(&g->startup_done_mutex);
+ /* Start all threads running. */
+ mutex_lock(&g->start_work_mutex);
+ g->start_work = true;
+ mutex_unlock(&g->start_work_mutex);
+ cond_broadcast(&g->start_work_cond);
} else {
gettimeofday(&start, NULL);
}
@@ -1575,7 +1769,7 @@ static int __bench_numa(const char *name)
"GB/sec,", "total-speed", "GB/sec total speed");
if (g->p.show_details >= 2) {
- char tname[14 + 2 * 10 + 1];
+ char tname[14 + 2 * 11 + 1];
struct thread_data *td;
for (p = 0; p < g->p.nr_proc; p++) {
for (t = 0; t < g->p.nr_threads; t++) {
@@ -1678,12 +1872,12 @@ err:
*/
static const char *tests[][MAX_ARGS] = {
/* Basic single-stream NUMA bandwidth measurements: */
- { "RAM-bw-local,", "mem", "-p", "1", "-t", "1", "-P", "1024",
+ { "RAM-bw-local,", "mem", "-p", "1", "-t", "1", "-P", "1024",
"-C" , "0", "-M", "0", OPT_BW_RAM },
{ "RAM-bw-local-NOTHP,",
"mem", "-p", "1", "-t", "1", "-P", "1024",
"-C" , "0", "-M", "0", OPT_BW_RAM_NOTHP },
- { "RAM-bw-remote,", "mem", "-p", "1", "-t", "1", "-P", "1024",
+ { "RAM-bw-remote,", "mem", "-p", "1", "-t", "1", "-P", "1024",
"-C" , "0", "-M", "1", OPT_BW_RAM },
/* 2-stream NUMA bandwidth measurements: */
@@ -1700,7 +1894,7 @@ static const char *tests[][MAX_ARGS] = {
{ " 1x3-convergence,", "mem", "-p", "1", "-t", "3", "-P", "512", OPT_CONV },
{ " 1x4-convergence,", "mem", "-p", "1", "-t", "4", "-P", "512", OPT_CONV },
{ " 1x6-convergence,", "mem", "-p", "1", "-t", "6", "-P", "1020", OPT_CONV },
- { " 2x3-convergence,", "mem", "-p", "3", "-t", "3", "-P", "1020", OPT_CONV },
+ { " 2x3-convergence,", "mem", "-p", "2", "-t", "3", "-P", "1020", OPT_CONV },
{ " 3x3-convergence,", "mem", "-p", "3", "-t", "3", "-P", "1020", OPT_CONV },
{ " 4x4-convergence,", "mem", "-p", "4", "-t", "4", "-P", "512", OPT_CONV },
{ " 4x4-convergence-NOTHP,",
@@ -1725,24 +1919,24 @@ static const char *tests[][MAX_ARGS] = {
"mem", "-p", "8", "-t", "1", "-P", " 512", OPT_BW_NOTHP },
{ "16x1-bw-process,", "mem", "-p", "16", "-t", "1", "-P", "256", OPT_BW },
- { " 4x1-bw-thread,", "mem", "-p", "1", "-t", "4", "-T", "256", OPT_BW },
- { " 8x1-bw-thread,", "mem", "-p", "1", "-t", "8", "-T", "256", OPT_BW },
- { "16x1-bw-thread,", "mem", "-p", "1", "-t", "16", "-T", "128", OPT_BW },
- { "32x1-bw-thread,", "mem", "-p", "1", "-t", "32", "-T", "64", OPT_BW },
+ { " 1x4-bw-thread,", "mem", "-p", "1", "-t", "4", "-T", "256", OPT_BW },
+ { " 1x8-bw-thread,", "mem", "-p", "1", "-t", "8", "-T", "256", OPT_BW },
+ { "1x16-bw-thread,", "mem", "-p", "1", "-t", "16", "-T", "128", OPT_BW },
+ { "1x32-bw-thread,", "mem", "-p", "1", "-t", "32", "-T", "64", OPT_BW },
- { " 2x3-bw-thread,", "mem", "-p", "2", "-t", "3", "-P", "512", OPT_BW },
- { " 4x4-bw-thread,", "mem", "-p", "4", "-t", "4", "-P", "512", OPT_BW },
- { " 4x6-bw-thread,", "mem", "-p", "4", "-t", "6", "-P", "512", OPT_BW },
- { " 4x8-bw-thread,", "mem", "-p", "4", "-t", "8", "-P", "512", OPT_BW },
- { " 4x8-bw-thread-NOTHP,",
+ { " 2x3-bw-process,", "mem", "-p", "2", "-t", "3", "-P", "512", OPT_BW },
+ { " 4x4-bw-process,", "mem", "-p", "4", "-t", "4", "-P", "512", OPT_BW },
+ { " 4x6-bw-process,", "mem", "-p", "4", "-t", "6", "-P", "512", OPT_BW },
+ { " 4x8-bw-process,", "mem", "-p", "4", "-t", "8", "-P", "512", OPT_BW },
+ { " 4x8-bw-process-NOTHP,",
"mem", "-p", "4", "-t", "8", "-P", "512", OPT_BW_NOTHP },
- { " 3x3-bw-thread,", "mem", "-p", "3", "-t", "3", "-P", "512", OPT_BW },
- { " 5x5-bw-thread,", "mem", "-p", "5", "-t", "5", "-P", "512", OPT_BW },
+ { " 3x3-bw-process,", "mem", "-p", "3", "-t", "3", "-P", "512", OPT_BW },
+ { " 5x5-bw-process,", "mem", "-p", "5", "-t", "5", "-P", "512", OPT_BW },
- { "2x16-bw-thread,", "mem", "-p", "2", "-t", "16", "-P", "512", OPT_BW },
- { "1x32-bw-thread,", "mem", "-p", "1", "-t", "32", "-P", "2048", OPT_BW },
+ { "2x16-bw-process,", "mem", "-p", "2", "-t", "16", "-P", "512", OPT_BW },
+ { "1x32-bw-process,", "mem", "-p", "1", "-t", "32", "-P", "2048", OPT_BW },
- { "numa02-bw,", "mem", "-p", "1", "-t", "32", "-T", "32", OPT_BW },
+ { "numa02-bw,", "mem", "-p", "1", "-t", "32", "-T", "32", OPT_BW },
{ "numa02-bw-NOTHP,", "mem", "-p", "1", "-t", "32", "-T", "32", OPT_BW_NOTHP },
{ "numa01-bw-thread,", "mem", "-p", "2", "-t", "16", "-T", "192", OPT_BW },
{ "numa01-bw-thread-NOTHP,",
diff --git a/tools/perf/bench/pmu-scan.c b/tools/perf/bench/pmu-scan.c
new file mode 100644
index 000000000000..14a464ad8cea
--- /dev/null
+++ b/tools/perf/bench/pmu-scan.c
@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Benchmark scanning sysfs files for PMU information.
+ *
+ * Copyright 2023 Google LLC.
+ */
+#include <errno.h>
+#include <stdio.h>
+#include "bench.h"
+#include "util/debug.h"
+#include "util/pmu.h"
+#include "util/pmus.h"
+#include "util/stat.h"
+#include <linux/atomic.h>
+#include <linux/err.h>
+#include <linux/time64.h>
+#include <subcmd/parse-options.h>
+
+static unsigned int iterations = 100;
+
+struct pmu_scan_result {
+ char *name;
+ int nr_aliases;
+ int nr_formats;
+ int nr_caps;
+ bool is_core;
+};
+
+static const struct option options[] = {
+ OPT_UINTEGER('i', "iterations", &iterations,
+ "Number of iterations used to compute average"),
+ OPT_END()
+};
+
+static const char *const bench_usage[] = {
+ "perf bench internals pmu-scan <options>",
+ NULL
+};
+
+static int nr_pmus;
+static struct pmu_scan_result *results;
+
+static int save_result(void)
+{
+ struct perf_pmu *pmu = NULL;
+ struct list_head *list;
+ struct pmu_scan_result *r;
+
+ while ((pmu = perf_pmus__scan(pmu)) != NULL) {
+ r = realloc(results, (nr_pmus + 1) * sizeof(*r));
+ if (r == NULL)
+ return -ENOMEM;
+
+ results = r;
+ r = results + nr_pmus;
+
+ r->name = strdup(pmu->name);
+ r->is_core = pmu->is_core;
+ r->nr_caps = pmu->nr_caps;
+
+ r->nr_aliases = perf_pmu__num_events(pmu);
+
+ r->nr_formats = 0;
+ list_for_each(list, &pmu->format)
+ r->nr_formats++;
+
+ pr_debug("pmu[%d] name=%s, nr_caps=%d, nr_aliases=%d, nr_formats=%d\n",
+ nr_pmus, r->name, r->nr_caps, r->nr_aliases, r->nr_formats);
+ nr_pmus++;
+ }
+
+ perf_pmus__destroy();
+ return 0;
+}
+
+static int check_result(bool core_only)
+{
+ struct pmu_scan_result *r;
+ struct perf_pmu *pmu;
+ struct list_head *list;
+ int nr;
+
+ for (int i = 0; i < nr_pmus; i++) {
+ r = &results[i];
+ if (core_only && !r->is_core)
+ continue;
+
+ pmu = perf_pmus__find(r->name);
+ if (pmu == NULL) {
+ pr_err("Cannot find PMU %s\n", r->name);
+ return -1;
+ }
+
+ if (pmu->nr_caps != (u32)r->nr_caps) {
+ pr_err("Unmatched number of event caps in %s: expect %d vs got %d\n",
+ pmu->name, r->nr_caps, pmu->nr_caps);
+ return -1;
+ }
+
+ nr = perf_pmu__num_events(pmu);
+ if (nr != r->nr_aliases) {
+ pr_err("Unmatched number of event aliases in %s: expect %d vs got %d\n",
+ pmu->name, r->nr_aliases, nr);
+ return -1;
+ }
+
+ nr = 0;
+ list_for_each(list, &pmu->format)
+ nr++;
+ if (nr != r->nr_formats) {
+ pr_err("Unmatched number of event formats in %s: expect %d vs got %d\n",
+ pmu->name, r->nr_formats, nr);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static void delete_result(void)
+{
+ for (int i = 0; i < nr_pmus; i++)
+ free(results[i].name);
+ free(results);
+
+ results = NULL;
+ nr_pmus = 0;
+}
+
+static int run_pmu_scan(void)
+{
+ struct stats stats;
+ struct timeval start, end, diff;
+ double time_average, time_stddev;
+ u64 runtime_us;
+ int ret;
+
+ init_stats(&stats);
+ pr_info("Computing performance of sysfs PMU event scan for %u times\n",
+ iterations);
+
+ if (save_result() < 0) {
+ pr_err("Failed to initialize PMU scan result\n");
+ return -1;
+ }
+
+ for (int j = 0; j < 2; j++) {
+ bool core_only = (j == 0);
+
+ for (unsigned int i = 0; i < iterations; i++) {
+ gettimeofday(&start, NULL);
+ if (core_only)
+ perf_pmus__scan_core(NULL);
+ else
+ perf_pmus__scan(NULL);
+ gettimeofday(&end, NULL);
+ timersub(&end, &start, &diff);
+ runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ update_stats(&stats, runtime_us);
+
+ ret = check_result(core_only);
+ perf_pmus__destroy();
+ if (ret < 0)
+ break;
+ }
+ time_average = avg_stats(&stats);
+ time_stddev = stddev_stats(&stats);
+ pr_info(" Average%s PMU scanning took: %.3f usec (+- %.3f usec)\n",
+ core_only ? " core" : "", time_average, time_stddev);
+ }
+ delete_result();
+ return 0;
+}
+
+int bench_pmu_scan(int argc, const char **argv)
+{
+ int err = 0;
+
+ argc = parse_options(argc, argv, options, bench_usage, 0);
+ if (argc) {
+ usage_with_options(bench_usage, options);
+ exit(EXIT_FAILURE);
+ }
+
+ err = run_pmu_scan();
+
+ return err;
+}
diff --git a/tools/perf/bench/sched-messaging.c b/tools/perf/bench/sched-messaging.c
index 4f961e74535b..93dcd9dba3d0 100644
--- a/tools/perf/bench/sched-messaging.c
+++ b/tools/perf/bench/sched-messaging.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
*
* sched-messaging.c
@@ -9,10 +10,7 @@
*
*/
-#include "../perf.h"
-#include "../util/util.h"
#include <subcmd/parse-options.h>
-#include "../builtin.h"
#include "bench.h"
/* Test groups of 20 processes spraying to 20 receivers */
@@ -29,6 +27,7 @@
#include <poll.h>
#include <limits.h>
#include <err.h>
+#include <linux/list.h>
#include <linux/time64.h>
#define DATASIZE 100
@@ -37,21 +36,33 @@ static bool use_pipes = false;
static unsigned int nr_loops = 100;
static bool thread_mode = false;
static unsigned int num_groups = 10;
+static unsigned int total_children = 0;
+static struct list_head sender_contexts = LIST_HEAD_INIT(sender_contexts);
+static struct list_head receiver_contexts = LIST_HEAD_INIT(receiver_contexts);
struct sender_context {
+ struct list_head list;
unsigned int num_fds;
int ready_out;
int wakefd;
- int out_fds[0];
+ int out_fds[];
};
struct receiver_context {
+ struct list_head list;
unsigned int num_packets;
int in_fds[2];
int ready_out;
int wakefd;
};
+union messaging_worker {
+ pthread_t thread;
+ pid_t pid;
+};
+
+static union messaging_worker *worker_tab;
+
static void fdpair(int fds[2])
{
if (use_pipes) {
@@ -68,11 +79,10 @@ static void fdpair(int fds[2])
/* Block until we're ready to go */
static void ready(int ready_out, int wakefd)
{
- char dummy;
struct pollfd pollfd = { .fd = wakefd, .events = POLLIN };
/* Tell them we're ready. */
- if (write(ready_out, &dummy, 1) != 1)
+ if (write(ready_out, "R", 1) != 1)
err(EXIT_FAILURE, "CLIENT: ready write");
/* Wait for "GO" signal */
@@ -87,6 +97,7 @@ static void *sender(struct sender_context *ctx)
unsigned int i, j;
ready(ctx->ready_out, ctx->wakefd);
+ memset(data, 'S', sizeof(data));
/* Now pump to every receiver. */
for (i = 0; i < nr_loops; i++) {
@@ -95,7 +106,7 @@ static void *sender(struct sender_context *ctx)
again:
ret = write(ctx->out_fds[j], data + done,
- sizeof(data)-done);
+ sizeof(data) - done);
if (ret < 0)
err(EXIT_FAILURE, "SENDER: write");
done += ret;
@@ -136,30 +147,12 @@ again:
return NULL;
}
-static pthread_t create_worker(void *ctx, void *(*func)(void *))
+static void create_thread_worker(union messaging_worker *worker,
+ void *ctx, void *(*func)(void *))
{
pthread_attr_t attr;
- pthread_t childid;
int ret;
- if (!thread_mode) {
- /* process mode */
- /* Fork the receiver. */
- switch (fork()) {
- case -1:
- err(EXIT_FAILURE, "fork()");
- break;
- case 0:
- (*func) (ctx);
- exit(0);
- break;
- default:
- break;
- }
-
- return (pthread_t)0;
- }
-
if (pthread_attr_init(&attr) != 0)
err(EXIT_FAILURE, "pthread_attr_init:");
@@ -168,14 +161,37 @@ static pthread_t create_worker(void *ctx, void *(*func)(void *))
err(EXIT_FAILURE, "pthread_attr_setstacksize");
#endif
- ret = pthread_create(&childid, &attr, func, ctx);
+ ret = pthread_create(&worker->thread, &attr, func, ctx);
if (ret != 0)
err(EXIT_FAILURE, "pthread_create failed");
- return childid;
+ pthread_attr_destroy(&attr);
+}
+
+static void create_process_worker(union messaging_worker *worker,
+ void *ctx, void *(*func)(void *))
+{
+ /* Fork the receiver. */
+ worker->pid = fork();
+
+ if (worker->pid == -1) {
+ err(EXIT_FAILURE, "fork()");
+ } else if (worker->pid == 0) {
+ (*func) (ctx);
+ exit(0);
+ }
}
-static void reap_worker(pthread_t id)
+static void create_worker(union messaging_worker *worker,
+ void *ctx, void *(*func)(void *))
+{
+ if (!thread_mode)
+ return create_process_worker(worker, ctx, func);
+ else
+ return create_thread_worker(worker, ctx, func);
+}
+
+static void reap_worker(union messaging_worker *worker)
{
int proc_status;
void *thread_status;
@@ -186,23 +202,24 @@ static void reap_worker(pthread_t id)
if (!WIFEXITED(proc_status))
exit(1);
} else {
- pthread_join(id, &thread_status);
+ pthread_join(worker->thread, &thread_status);
}
}
/* One group of senders and receivers */
-static unsigned int group(pthread_t *pth,
+static unsigned int group(union messaging_worker *worker,
unsigned int num_fds,
int ready_out,
int wakefd)
{
unsigned int i;
- struct sender_context *snd_ctx = malloc(sizeof(struct sender_context)
- + num_fds * sizeof(int));
+ struct sender_context *snd_ctx = malloc(sizeof(struct sender_context) +
+ num_fds * sizeof(int));
if (!snd_ctx)
err(EXIT_FAILURE, "malloc()");
+ list_add(&snd_ctx->list, &sender_contexts);
for (i = 0; i < num_fds; i++) {
int fds[2];
struct receiver_context *ctx = malloc(sizeof(*ctx));
@@ -210,6 +227,7 @@ static unsigned int group(pthread_t *pth,
if (!ctx)
err(EXIT_FAILURE, "malloc()");
+ list_add(&ctx->list, &receiver_contexts);
/* Create the pipe between client and server */
fdpair(fds);
@@ -220,7 +238,7 @@ static unsigned int group(pthread_t *pth,
ctx->ready_out = ready_out;
ctx->wakefd = wakefd;
- pth[i] = create_worker(ctx, (void *)receiver);
+ create_worker(worker + i, ctx, (void *)receiver);
snd_ctx->out_fds[i] = fds[1];
if (!thread_mode)
@@ -233,7 +251,7 @@ static unsigned int group(pthread_t *pth,
snd_ctx->wakefd = wakefd;
snd_ctx->num_fds = num_fds;
- pth[num_fds+i] = create_worker(snd_ctx, (void *)sender);
+ create_worker(worker + num_fds + i, snd_ctx, (void *)sender);
}
/* Close the fds we have left */
@@ -245,6 +263,17 @@ static unsigned int group(pthread_t *pth,
return num_fds * 2;
}
+static void sig_handler(int sig __maybe_unused)
+{
+ unsigned int i;
+
+ /*
+ * When exit abnormally, kill all forked child processes.
+ */
+ for (i = 0; i < total_children; i++)
+ kill(worker_tab[i].pid, SIGKILL);
+}
+
static const struct option options[] = {
OPT_BOOLEAN('p', "pipe", &use_pipes,
"Use pipe() instead of socketpair()"),
@@ -262,26 +291,30 @@ static const char * const bench_sched_message_usage[] = {
int bench_sched_messaging(int argc, const char **argv)
{
- unsigned int i, total_children;
+ unsigned int i;
struct timeval start, stop, diff;
unsigned int num_fds = 20;
int readyfds[2], wakefds[2];
char dummy;
- pthread_t *pth_tab;
+ struct sender_context *pos, *n;
argc = parse_options(argc, argv, options,
bench_sched_message_usage, 0);
- pth_tab = malloc(num_fds * 2 * num_groups * sizeof(pthread_t));
- if (!pth_tab)
+ worker_tab = malloc(num_fds * 2 * num_groups * sizeof(union messaging_worker));
+ if (!worker_tab)
err(EXIT_FAILURE, "main:malloc()");
fdpair(readyfds);
fdpair(wakefds);
- total_children = 0;
+ if (!thread_mode) {
+ signal(SIGINT, sig_handler);
+ signal(SIGTERM, sig_handler);
+ }
+
for (i = 0; i < num_groups; i++)
- total_children += group(pth_tab+total_children, num_fds,
+ total_children += group(worker_tab + total_children, num_fds,
readyfds[1], wakefds[0]);
/* Wait for everyone to be ready */
@@ -297,7 +330,7 @@ int bench_sched_messaging(int argc, const char **argv)
/* Reap them all */
for (i = 0; i < total_children; i++)
- reap_worker(pth_tab[i]);
+ reap_worker(worker_tab + i);
gettimeofday(&stop, NULL);
@@ -311,11 +344,11 @@ int bench_sched_messaging(int argc, const char **argv)
num_groups, num_groups * 2 * num_fds,
thread_mode ? "threads" : "processes");
printf(" %14s: %lu.%03lu [sec]\n", "Total time",
- diff.tv_sec,
+ (unsigned long) diff.tv_sec,
(unsigned long) (diff.tv_usec / USEC_PER_MSEC));
break;
case BENCH_FORMAT_SIMPLE:
- printf("%lu.%03lu\n", diff.tv_sec,
+ printf("%lu.%03lu\n", (unsigned long) diff.tv_sec,
(unsigned long) (diff.tv_usec / USEC_PER_MSEC));
break;
default:
@@ -325,7 +358,14 @@ int bench_sched_messaging(int argc, const char **argv)
break;
}
- free(pth_tab);
-
+ free(worker_tab);
+ list_for_each_entry_safe(pos, n, &sender_contexts, list) {
+ list_del_init(&pos->list);
+ free(pos);
+ }
+ list_for_each_entry_safe(pos, n, &receiver_contexts, list) {
+ list_del_init(&pos->list);
+ free(pos);
+ }
return 0;
}
diff --git a/tools/perf/bench/sched-pipe.c b/tools/perf/bench/sched-pipe.c
index a152737370c5..70139036d68f 100644
--- a/tools/perf/bench/sched-pipe.c
+++ b/tools/perf/bench/sched-pipe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
*
* sched-pipe.c
@@ -8,11 +9,10 @@
* http://people.redhat.com/mingo/cfs-scheduler/tools/pipe-test-1m.c
* Ported to perf by Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
*/
-#include "../perf.h"
-#include "../util/util.h"
#include <subcmd/parse-options.h>
-#include "../builtin.h"
+#include <api/fs/fs.h>
#include "bench.h"
+#include "util/cgroup.h"
#include <unistd.h>
#include <stdio.h>
@@ -21,7 +21,9 @@
#include <sys/wait.h>
#include <string.h>
#include <errno.h>
+#include <fcntl.h>
#include <assert.h>
+#include <sys/epoll.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/syscall.h>
@@ -33,6 +35,9 @@ struct thread_data {
int nr;
int pipe_read;
int pipe_write;
+ struct epoll_event epoll_ev;
+ int epoll_fd;
+ bool cgroup_failed;
pthread_t pthread;
};
@@ -42,9 +47,50 @@ static int loops = LOOPS_DEFAULT;
/* Use processes by default: */
static bool threaded;
+static bool nonblocking;
+static char *cgrp_names[2];
+static struct cgroup *cgrps[2];
+
+static int parse_two_cgroups(const struct option *opt __maybe_unused,
+ const char *str, int unset __maybe_unused)
+{
+ char *p = strdup(str);
+ char *q;
+ int ret = -1;
+
+ if (p == NULL) {
+ fprintf(stderr, "memory allocation failure\n");
+ return -1;
+ }
+
+ q = strchr(p, ',');
+ if (q == NULL) {
+ fprintf(stderr, "it should have two cgroup names: %s\n", p);
+ goto out;
+ }
+ *q = '\0';
+
+ cgrp_names[0] = strdup(p);
+ cgrp_names[1] = strdup(q + 1);
+
+ if (cgrp_names[0] == NULL || cgrp_names[1] == NULL) {
+ fprintf(stderr, "memory allocation failure\n");
+ goto out;
+ }
+ ret = 0;
+
+out:
+ free(p);
+ return ret;
+}
+
static const struct option options[] = {
+ OPT_BOOLEAN('n', "nonblocking", &nonblocking, "Use non-blocking operations"),
OPT_INTEGER('l', "loop", &loops, "Specify number of loops"),
OPT_BOOLEAN('T', "threaded", &threaded, "Specify threads/process based task setup"),
+ OPT_CALLBACK('G', "cgroups", NULL, "SEND,RECV",
+ "Put sender and receivers in given cgroups",
+ parse_two_cgroups),
OPT_END()
};
@@ -53,24 +99,115 @@ static const char * const bench_sched_pipe_usage[] = {
NULL
};
+static int enter_cgroup(int nr)
+{
+ char buf[32];
+ int fd, len, ret;
+ int saved_errno;
+ struct cgroup *cgrp;
+ pid_t pid;
+
+ if (cgrp_names[nr] == NULL)
+ return 0;
+
+ if (cgrps[nr] == NULL) {
+ cgrps[nr] = cgroup__new(cgrp_names[nr], /*do_open=*/true);
+ if (cgrps[nr] == NULL)
+ goto err;
+ }
+ cgrp = cgrps[nr];
+
+ if (threaded)
+ pid = syscall(__NR_gettid);
+ else
+ pid = getpid();
+
+ snprintf(buf, sizeof(buf), "%d\n", pid);
+ len = strlen(buf);
+
+ /* try cgroup v2 interface first */
+ if (threaded)
+ fd = openat(cgrp->fd, "cgroup.threads", O_WRONLY);
+ else
+ fd = openat(cgrp->fd, "cgroup.procs", O_WRONLY);
+
+ /* try cgroup v1 if failed */
+ if (fd < 0 && errno == ENOENT)
+ fd = openat(cgrp->fd, "tasks", O_WRONLY);
+
+ if (fd < 0)
+ goto err;
+
+ ret = write(fd, buf, len);
+ close(fd);
+
+ if (ret != len) {
+ printf("Cannot enter to cgroup: %s\n", cgrp->name);
+ return -1;
+ }
+ return 0;
+
+err:
+ saved_errno = errno;
+ printf("Failed to open cgroup file in %s\n", cgrp_names[nr]);
+
+ if (saved_errno == ENOENT) {
+ char mnt[PATH_MAX];
+
+ if (cgroupfs_find_mountpoint(mnt, sizeof(mnt), "perf_event") == 0)
+ printf(" Hint: create the cgroup first, like 'mkdir %s/%s'\n",
+ mnt, cgrp_names[nr]);
+ } else if (saved_errno == EACCES && geteuid() > 0) {
+ printf(" Hint: try to run as root\n");
+ }
+
+ return -1;
+}
+
+static void exit_cgroup(int nr)
+{
+ cgroup__put(cgrps[nr]);
+ free(cgrp_names[nr]);
+}
+
+static inline int read_pipe(struct thread_data *td)
+{
+ int ret, m;
+retry:
+ if (nonblocking) {
+ ret = epoll_wait(td->epoll_fd, &td->epoll_ev, 1, -1);
+ if (ret < 0)
+ return ret;
+ }
+ ret = read(td->pipe_read, &m, sizeof(int));
+ if (nonblocking && ret < 0 && errno == EWOULDBLOCK)
+ goto retry;
+ return ret;
+}
+
static void *worker_thread(void *__tdata)
{
struct thread_data *td = __tdata;
- int m = 0, i;
- int ret;
+ int i, ret, m = 0;
+
+ ret = enter_cgroup(td->nr);
+ if (ret < 0) {
+ td->cgroup_failed = true;
+ return NULL;
+ }
+
+ if (nonblocking) {
+ td->epoll_ev.events = EPOLLIN;
+ td->epoll_fd = epoll_create(1);
+ BUG_ON(td->epoll_fd < 0);
+ BUG_ON(epoll_ctl(td->epoll_fd, EPOLL_CTL_ADD, td->pipe_read, &td->epoll_ev) < 0);
+ }
for (i = 0; i < loops; i++) {
- if (!td->nr) {
- ret = read(td->pipe_read, &m, sizeof(int));
- BUG_ON(ret != sizeof(int));
- ret = write(td->pipe_write, &m, sizeof(int));
- BUG_ON(ret != sizeof(int));
- } else {
- ret = write(td->pipe_write, &m, sizeof(int));
- BUG_ON(ret != sizeof(int));
- ret = read(td->pipe_read, &m, sizeof(int));
- BUG_ON(ret != sizeof(int));
- }
+ ret = write(td->pipe_write, &m, sizeof(int));
+ BUG_ON(ret != sizeof(int));
+ ret = read_pipe(td);
+ BUG_ON(ret != sizeof(int));
}
return NULL;
@@ -78,7 +215,8 @@ static void *worker_thread(void *__tdata)
int bench_sched_pipe(int argc, const char **argv)
{
- struct thread_data threads[2], *td;
+ struct thread_data threads[2] = {};
+ struct thread_data *td;
int pipe_1[2], pipe_2[2];
struct timeval start, stop, diff;
unsigned long long result_usec = 0;
@@ -90,13 +228,16 @@ int bench_sched_pipe(int argc, const char **argv)
* discarding returned value of read(), write()
* causes error in building environment for perf
*/
- int __maybe_unused ret, wait_stat;
+ int __maybe_unused ret, wait_stat, flags = 0;
pid_t pid, retpid __maybe_unused;
argc = parse_options(argc, argv, options, bench_sched_pipe_usage, 0);
- BUG_ON(pipe(pipe_1));
- BUG_ON(pipe(pipe_2));
+ if (nonblocking)
+ flags |= O_NONBLOCK;
+
+ BUG_ON(pipe2(pipe_1, flags));
+ BUG_ON(pipe2(pipe_2, flags));
gettimeofday(&start, NULL);
@@ -114,9 +255,7 @@ int bench_sched_pipe(int argc, const char **argv)
}
}
-
if (threaded) {
-
for (t = 0; t < nr_threads; t++) {
td = threads + t;
@@ -130,7 +269,6 @@ int bench_sched_pipe(int argc, const char **argv)
ret = pthread_join(td->pthread, NULL);
BUG_ON(ret);
}
-
} else {
pid = fork();
assert(pid >= 0);
@@ -149,6 +287,12 @@ int bench_sched_pipe(int argc, const char **argv)
gettimeofday(&stop, NULL);
timersub(&stop, &start, &diff);
+ exit_cgroup(0);
+ exit_cgroup(1);
+
+ if (threads[0].cgroup_failed || threads[1].cgroup_failed)
+ return 0;
+
switch (bench_format) {
case BENCH_FORMAT_DEFAULT:
printf("# Executed %d pipe operations between two %s\n\n",
@@ -158,7 +302,7 @@ int bench_sched_pipe(int argc, const char **argv)
result_usec += diff.tv_usec;
printf(" %14s: %lu.%03lu [sec]\n\n", "Total time",
- diff.tv_sec,
+ (unsigned long) diff.tv_sec,
(unsigned long) (diff.tv_usec / USEC_PER_MSEC));
printf(" %14lf usecs/op\n",
@@ -170,7 +314,7 @@ int bench_sched_pipe(int argc, const char **argv)
case BENCH_FORMAT_SIMPLE:
printf("%lu.%03lu\n",
- diff.tv_sec,
+ (unsigned long) diff.tv_sec,
(unsigned long) (diff.tv_usec / USEC_PER_MSEC));
break;
diff --git a/tools/perf/bench/sched-seccomp-notify.c b/tools/perf/bench/sched-seccomp-notify.c
new file mode 100644
index 000000000000..269c1f4a6852
--- /dev/null
+++ b/tools/perf/bench/sched-seccomp-notify.c
@@ -0,0 +1,178 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <subcmd/parse-options.h>
+#include "bench.h"
+
+#include <uapi/linux/filter.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <linux/unistd.h>
+#include <sys/syscall.h>
+#include <sys/ioctl.h>
+#include <linux/time64.h>
+#include <uapi/linux/seccomp.h>
+#include <sys/prctl.h>
+
+#include <unistd.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <string.h>
+#include <errno.h>
+#include <err.h>
+#include <inttypes.h>
+
+#define LOOPS_DEFAULT 1000000UL
+static uint64_t loops = LOOPS_DEFAULT;
+static bool sync_mode;
+
+static const struct option options[] = {
+ OPT_U64('l', "loop", &loops, "Specify number of loops"),
+ OPT_BOOLEAN('s', "sync-mode", &sync_mode,
+ "Enable the synchronous mode for seccomp notifications"),
+ OPT_END()
+};
+
+static const char * const bench_seccomp_usage[] = {
+ "perf bench sched secccomp-notify <options>",
+ NULL
+};
+
+static int seccomp(unsigned int op, unsigned int flags, void *args)
+{
+ return syscall(__NR_seccomp, op, flags, args);
+}
+
+static int user_notif_syscall(int nr, unsigned int flags)
+{
+ struct sock_filter filter[] = {
+ BPF_STMT(BPF_LD|BPF_W|BPF_ABS,
+ offsetof(struct seccomp_data, nr)),
+ BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, nr, 0, 1),
+ BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_USER_NOTIF),
+ BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW),
+ };
+
+ struct sock_fprog prog = {
+ .len = (unsigned short)ARRAY_SIZE(filter),
+ .filter = filter,
+ };
+
+ return seccomp(SECCOMP_SET_MODE_FILTER, flags, &prog);
+}
+
+#define USER_NOTIF_MAGIC INT_MAX
+static void user_notification_sync_loop(int listener)
+{
+ struct seccomp_notif_resp resp;
+ struct seccomp_notif req;
+ uint64_t nr;
+
+ for (nr = 0; nr < loops; nr++) {
+ memset(&req, 0, sizeof(req));
+ if (ioctl(listener, SECCOMP_IOCTL_NOTIF_RECV, &req))
+ err(EXIT_FAILURE, "SECCOMP_IOCTL_NOTIF_RECV failed");
+
+ if (req.data.nr != __NR_gettid)
+ errx(EXIT_FAILURE, "unexpected syscall: %d", req.data.nr);
+
+ resp.id = req.id;
+ resp.error = 0;
+ resp.val = USER_NOTIF_MAGIC;
+ resp.flags = 0;
+ if (ioctl(listener, SECCOMP_IOCTL_NOTIF_SEND, &resp))
+ err(EXIT_FAILURE, "SECCOMP_IOCTL_NOTIF_SEND failed");
+ }
+}
+
+#ifndef SECCOMP_USER_NOTIF_FD_SYNC_WAKE_UP
+#define SECCOMP_USER_NOTIF_FD_SYNC_WAKE_UP (1UL << 0)
+#define SECCOMP_IOCTL_NOTIF_SET_FLAGS SECCOMP_IOW(4, __u64)
+#endif
+int bench_sched_seccomp_notify(int argc, const char **argv)
+{
+ struct timeval start, stop, diff;
+ unsigned long long result_usec = 0;
+ int status, listener;
+ pid_t pid;
+ long ret;
+
+ argc = parse_options(argc, argv, options, bench_seccomp_usage, 0);
+
+ gettimeofday(&start, NULL);
+
+ prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
+ listener = user_notif_syscall(__NR_gettid,
+ SECCOMP_FILTER_FLAG_NEW_LISTENER);
+ if (listener < 0)
+ err(EXIT_FAILURE, "can't create a notification descriptor");
+
+ pid = fork();
+ if (pid < 0)
+ err(EXIT_FAILURE, "fork");
+ if (pid == 0) {
+ if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0))
+ err(EXIT_FAILURE, "can't set the parent death signal");
+ while (1) {
+ ret = syscall(__NR_gettid);
+ if (ret == USER_NOTIF_MAGIC)
+ continue;
+ break;
+ }
+ _exit(1);
+ }
+
+ if (sync_mode) {
+ if (ioctl(listener, SECCOMP_IOCTL_NOTIF_SET_FLAGS,
+ SECCOMP_USER_NOTIF_FD_SYNC_WAKE_UP, 0))
+ err(EXIT_FAILURE,
+ "can't set SECCOMP_USER_NOTIF_FD_SYNC_WAKE_UP");
+ }
+ user_notification_sync_loop(listener);
+
+ kill(pid, SIGKILL);
+ if (waitpid(pid, &status, 0) != pid)
+ err(EXIT_FAILURE, "waitpid(%d) failed", pid);
+ if (!WIFSIGNALED(status) || WTERMSIG(status) != SIGKILL)
+ errx(EXIT_FAILURE, "unexpected exit code: %d", status);
+
+ gettimeofday(&stop, NULL);
+ timersub(&stop, &start, &diff);
+
+ switch (bench_format) {
+ case BENCH_FORMAT_DEFAULT:
+ printf("# Executed %" PRIu64 " system calls\n\n",
+ loops);
+
+ result_usec = diff.tv_sec * USEC_PER_SEC;
+ result_usec += diff.tv_usec;
+
+ printf(" %14s: %lu.%03lu [sec]\n\n", "Total time",
+ (unsigned long) diff.tv_sec,
+ (unsigned long) (diff.tv_usec / USEC_PER_MSEC));
+
+ printf(" %14lf usecs/op\n",
+ (double)result_usec / (double)loops);
+ printf(" %14d ops/sec\n",
+ (int)((double)loops /
+ ((double)result_usec / (double)USEC_PER_SEC)));
+ break;
+
+ case BENCH_FORMAT_SIMPLE:
+ printf("%lu.%03lu\n",
+ (unsigned long) diff.tv_sec,
+ (unsigned long) (diff.tv_usec / USEC_PER_MSEC));
+ break;
+
+ default:
+ /* reaching here is something disaster */
+ fprintf(stderr, "Unknown format:%d\n", bench_format);
+ exit(1);
+ break;
+ }
+
+ return 0;
+}
diff --git a/tools/perf/bench/synthesize.c b/tools/perf/bench/synthesize.c
new file mode 100644
index 000000000000..265d49a913d9
--- /dev/null
+++ b/tools/perf/bench/synthesize.c
@@ -0,0 +1,274 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Benchmark synthesis of perf events such as at the start of a 'perf
+ * record'. Synthesis is done on the current process and the 'dummy' event
+ * handlers are invoked that support dump_trace but otherwise do nothing.
+ *
+ * Copyright 2019 Google LLC.
+ */
+#include <errno.h>
+#include <stdio.h>
+#include "bench.h"
+#include "../util/debug.h"
+#include "../util/session.h"
+#include "../util/stat.h"
+#include "../util/synthetic-events.h"
+#include "../util/target.h"
+#include "../util/thread_map.h"
+#include "../util/tool.h"
+#include "../util/util.h"
+#include <linux/atomic.h>
+#include <linux/err.h>
+#include <linux/time64.h>
+#include <subcmd/parse-options.h>
+
+static unsigned int min_threads = 1;
+static unsigned int max_threads = UINT_MAX;
+static unsigned int single_iterations = 10000;
+static unsigned int multi_iterations = 10;
+static bool run_st;
+static bool run_mt;
+
+static const struct option options[] = {
+ OPT_BOOLEAN('s', "st", &run_st, "Run single threaded benchmark"),
+ OPT_BOOLEAN('t', "mt", &run_mt, "Run multi-threaded benchmark"),
+ OPT_UINTEGER('m', "min-threads", &min_threads,
+ "Minimum number of threads in multithreaded bench"),
+ OPT_UINTEGER('M', "max-threads", &max_threads,
+ "Maximum number of threads in multithreaded bench"),
+ OPT_UINTEGER('i', "single-iterations", &single_iterations,
+ "Number of iterations used to compute single-threaded average"),
+ OPT_UINTEGER('I', "multi-iterations", &multi_iterations,
+ "Number of iterations used to compute multi-threaded average"),
+ OPT_END()
+};
+
+static const char *const bench_usage[] = {
+ "perf bench internals synthesize <options>",
+ NULL
+};
+
+static atomic_t event_count;
+
+static int process_synthesized_event(const struct perf_tool *tool __maybe_unused,
+ union perf_event *event __maybe_unused,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ atomic_inc(&event_count);
+ return 0;
+}
+
+static int do_run_single_threaded(struct perf_session *session,
+ struct perf_thread_map *threads,
+ struct target *target, bool data_mmap)
+{
+ const unsigned int nr_threads_synthesize = 1;
+ struct timeval start, end, diff;
+ u64 runtime_us;
+ unsigned int i;
+ double time_average, time_stddev, event_average, event_stddev;
+ int err;
+ struct stats time_stats, event_stats;
+
+ init_stats(&time_stats);
+ init_stats(&event_stats);
+
+ for (i = 0; i < single_iterations; i++) {
+ atomic_set(&event_count, 0);
+ gettimeofday(&start, NULL);
+ err = __machine__synthesize_threads(&session->machines.host,
+ NULL,
+ target, threads,
+ process_synthesized_event,
+ true, data_mmap,
+ nr_threads_synthesize);
+ if (err)
+ return err;
+
+ gettimeofday(&end, NULL);
+ timersub(&end, &start, &diff);
+ runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ update_stats(&time_stats, runtime_us);
+ update_stats(&event_stats, atomic_read(&event_count));
+ }
+
+ time_average = avg_stats(&time_stats);
+ time_stddev = stddev_stats(&time_stats);
+ printf(" Average %ssynthesis took: %.3f usec (+- %.3f usec)\n",
+ data_mmap ? "data " : "", time_average, time_stddev);
+
+ event_average = avg_stats(&event_stats);
+ event_stddev = stddev_stats(&event_stats);
+ printf(" Average num. events: %.3f (+- %.3f)\n",
+ event_average, event_stddev);
+
+ printf(" Average time per event %.3f usec\n",
+ time_average / event_average);
+ return 0;
+}
+
+static int run_single_threaded(void)
+{
+ struct perf_session *session;
+ struct target target = {
+ .pid = "self",
+ };
+ struct perf_thread_map *threads;
+ struct perf_env host_env;
+ int err;
+
+ perf_set_singlethreaded();
+ perf_env__init(&host_env);
+ session = __perf_session__new(/*data=*/NULL, /*tool=*/NULL,
+ /*trace_event_repipe=*/false, &host_env);
+ if (IS_ERR(session)) {
+ pr_err("Session creation failed.\n");
+ perf_env__exit(&host_env);
+ return PTR_ERR(session);
+ }
+ threads = thread_map__new_by_pid(getpid());
+ if (!threads) {
+ pr_err("Thread map creation failed.\n");
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ puts(
+"Computing performance of single threaded perf event synthesis by\n"
+"synthesizing events on the perf process itself:");
+
+ err = do_run_single_threaded(session, threads, &target, false);
+ if (err)
+ goto err_out;
+
+ err = do_run_single_threaded(session, threads, &target, true);
+
+err_out:
+ if (threads)
+ perf_thread_map__put(threads);
+
+ perf_session__delete(session);
+ perf_env__exit(&host_env);
+ return err;
+}
+
+static int do_run_multi_threaded(struct target *target,
+ unsigned int nr_threads_synthesize)
+{
+ struct timeval start, end, diff;
+ u64 runtime_us;
+ unsigned int i;
+ double time_average, time_stddev, event_average, event_stddev;
+ int err = 0;
+ struct stats time_stats, event_stats;
+ struct perf_session *session;
+ struct perf_env host_env;
+
+ perf_env__init(&host_env);
+ init_stats(&time_stats);
+ init_stats(&event_stats);
+ for (i = 0; i < multi_iterations; i++) {
+ session = __perf_session__new(/*data=*/NULL, /*tool=*/NULL,
+ /*trace_event_repipe=*/false, &host_env);
+ if (IS_ERR(session)) {
+ err = PTR_ERR(session);
+ goto err_out;
+ }
+ atomic_set(&event_count, 0);
+ gettimeofday(&start, NULL);
+ err = __machine__synthesize_threads(&session->machines.host,
+ NULL,
+ target, NULL,
+ process_synthesized_event,
+ true, false,
+ nr_threads_synthesize);
+ if (err) {
+ perf_session__delete(session);
+ goto err_out;
+ }
+
+ gettimeofday(&end, NULL);
+ timersub(&end, &start, &diff);
+ runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ update_stats(&time_stats, runtime_us);
+ update_stats(&event_stats, atomic_read(&event_count));
+ perf_session__delete(session);
+ }
+
+ time_average = avg_stats(&time_stats);
+ time_stddev = stddev_stats(&time_stats);
+ printf(" Average synthesis took: %.3f usec (+- %.3f usec)\n",
+ time_average, time_stddev);
+
+ event_average = avg_stats(&event_stats);
+ event_stddev = stddev_stats(&event_stats);
+ printf(" Average num. events: %.3f (+- %.3f)\n",
+ event_average, event_stddev);
+
+ printf(" Average time per event %.3f usec\n",
+ time_average / event_average);
+err_out:
+ perf_env__exit(&host_env);
+ return err;
+}
+
+static int run_multi_threaded(void)
+{
+ struct target target = {
+ .cpu_list = "0"
+ };
+ unsigned int nr_threads_synthesize;
+ int err;
+
+ if (max_threads == UINT_MAX)
+ max_threads = sysconf(_SC_NPROCESSORS_ONLN);
+
+ puts(
+"Computing performance of multi threaded perf event synthesis by\n"
+"synthesizing events on CPU 0:");
+
+ for (nr_threads_synthesize = min_threads;
+ nr_threads_synthesize <= max_threads;
+ nr_threads_synthesize++) {
+ if (nr_threads_synthesize == 1)
+ perf_set_singlethreaded();
+ else
+ perf_set_multithreaded();
+
+ printf(" Number of synthesis threads: %u\n",
+ nr_threads_synthesize);
+
+ err = do_run_multi_threaded(&target, nr_threads_synthesize);
+ if (err)
+ return err;
+ }
+ perf_set_singlethreaded();
+ return 0;
+}
+
+int bench_synthesize(int argc, const char **argv)
+{
+ int err = 0;
+
+ argc = parse_options(argc, argv, options, bench_usage, 0);
+ if (argc) {
+ usage_with_options(bench_usage, options);
+ exit(EXIT_FAILURE);
+ }
+
+ /*
+ * If neither single threaded or multi-threaded are specified, default
+ * to running just single threaded.
+ */
+ if (!run_st && !run_mt)
+ run_st = true;
+
+ if (run_st)
+ err = run_single_threaded();
+
+ if (!err && run_mt)
+ err = run_multi_threaded();
+
+ return err;
+}
diff --git a/tools/perf/bench/syscall.c b/tools/perf/bench/syscall.c
new file mode 100644
index 000000000000..e7dc216f717f
--- /dev/null
+++ b/tools/perf/bench/syscall.c
@@ -0,0 +1,188 @@
+/*
+ *
+ * syscall.c
+ *
+ * syscall: Benchmark for system call performance
+ */
+#include "../perf.h"
+#include "../util/util.h"
+#include <subcmd/parse-options.h>
+#include "../builtin.h"
+#include "bench.h"
+
+#include <stdio.h>
+#include <sys/time.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#ifndef __NR_fork
+#define __NR_fork -1
+#endif
+
+static int loops;
+
+static const struct option options[] = {
+ OPT_INTEGER('l', "loop", &loops, "Specify number of loops"),
+ OPT_END()
+};
+
+static const char * const bench_syscall_usage[] = {
+ "perf bench syscall <options>",
+ NULL
+};
+
+static void test_fork(void)
+{
+ pid_t pid = fork();
+
+ if (pid < 0) {
+ fprintf(stderr, "fork failed\n");
+ exit(1);
+ } else if (pid == 0) {
+ exit(0);
+ } else {
+ if (waitpid(pid, NULL, 0) < 0) {
+ fprintf(stderr, "waitpid failed\n");
+ exit(1);
+ }
+ }
+}
+
+static void test_execve(void)
+{
+ const char *pathname = "/bin/true";
+ char *const argv[] = { (char *)pathname, NULL };
+ pid_t pid = fork();
+
+ if (pid < 0) {
+ fprintf(stderr, "fork failed\n");
+ exit(1);
+ } else if (pid == 0) {
+ execve(pathname, argv, NULL);
+ fprintf(stderr, "execve /bin/true failed\n");
+ exit(1);
+ } else {
+ if (waitpid(pid, NULL, 0) < 0) {
+ fprintf(stderr, "waitpid failed\n");
+ exit(1);
+ }
+ }
+}
+
+static int bench_syscall_common(int argc, const char **argv, int syscall)
+{
+ struct timeval start, stop, diff;
+ unsigned long long result_usec = 0;
+ const char *name = NULL;
+ int i;
+
+ switch (syscall) {
+ case __NR_fork:
+ case __NR_execve:
+ /* Limit default loop to 10000 times to save time */
+ loops = 10000;
+ break;
+ default:
+ loops = 10000000;
+ break;
+ }
+
+ /* Options -l and --loops override default above */
+ argc = parse_options(argc, argv, options, bench_syscall_usage, 0);
+
+ gettimeofday(&start, NULL);
+
+ for (i = 0; i < loops; i++) {
+ switch (syscall) {
+ case __NR_getppid:
+ getppid();
+ break;
+ case __NR_getpgid:
+ getpgid(0);
+ break;
+ case __NR_fork:
+ test_fork();
+ break;
+ case __NR_execve:
+ test_execve();
+ default:
+ break;
+ }
+ }
+
+ gettimeofday(&stop, NULL);
+ timersub(&stop, &start, &diff);
+
+ switch (syscall) {
+ case __NR_getppid:
+ name = "getppid()";
+ break;
+ case __NR_getpgid:
+ name = "getpgid()";
+ break;
+ case __NR_fork:
+ name = "fork()";
+ break;
+ case __NR_execve:
+ name = "execve()";
+ break;
+ default:
+ break;
+ }
+
+ switch (bench_format) {
+ case BENCH_FORMAT_DEFAULT:
+ printf("# Executed %'d %s calls\n", loops, name);
+
+ result_usec = diff.tv_sec * 1000000;
+ result_usec += diff.tv_usec;
+
+ printf(" %14s: %lu.%03lu [sec]\n\n", "Total time",
+ (unsigned long) diff.tv_sec,
+ (unsigned long) (diff.tv_usec/1000));
+
+ printf(" %14lf usecs/op\n",
+ (double)result_usec / (double)loops);
+ printf(" %'14d ops/sec\n",
+ (int)((double)loops /
+ ((double)result_usec / (double)1000000)));
+ break;
+
+ case BENCH_FORMAT_SIMPLE:
+ printf("%lu.%03lu\n",
+ (unsigned long) diff.tv_sec,
+ (unsigned long) (diff.tv_usec / 1000));
+ break;
+
+ default:
+ /* reaching here is something disaster */
+ fprintf(stderr, "Unknown format:%d\n", bench_format);
+ exit(1);
+ break;
+ }
+
+ return 0;
+}
+
+int bench_syscall_basic(int argc, const char **argv)
+{
+ return bench_syscall_common(argc, argv, __NR_getppid);
+}
+
+int bench_syscall_getpgid(int argc, const char **argv)
+{
+ return bench_syscall_common(argc, argv, __NR_getpgid);
+}
+
+int bench_syscall_fork(int argc, const char **argv)
+{
+ return bench_syscall_common(argc, argv, __NR_fork);
+}
+
+int bench_syscall_execve(int argc, const char **argv)
+{
+ return bench_syscall_common(argc, argv, __NR_execve);
+}
diff --git a/tools/perf/bench/uprobe.c b/tools/perf/bench/uprobe.c
new file mode 100644
index 000000000000..0b90275862e1
--- /dev/null
+++ b/tools/perf/bench/uprobe.c
@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * uprobe.c
+ *
+ * uprobe benchmarks
+ *
+ * Copyright (C) 2023, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+ */
+#include "../perf.h"
+#include "../util/util.h"
+#include <subcmd/parse-options.h>
+#include "../builtin.h"
+#include "bench.h"
+#include <linux/compiler.h>
+#include <linux/time64.h>
+
+#include <inttypes.h>
+#include <stdio.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#define LOOPS_DEFAULT 1000
+static int loops = LOOPS_DEFAULT;
+
+enum bench_uprobe {
+ BENCH_UPROBE__BASELINE,
+ BENCH_UPROBE__EMPTY,
+ BENCH_UPROBE__TRACE_PRINTK,
+ BENCH_UPROBE__EMPTY_RET,
+ BENCH_UPROBE__TRACE_PRINTK_RET,
+};
+
+static const struct option options[] = {
+ OPT_INTEGER('l', "loop", &loops, "Specify number of loops"),
+ OPT_END()
+};
+
+static const char * const bench_uprobe_usage[] = {
+ "perf bench uprobe <options>",
+ NULL
+};
+
+#ifdef HAVE_BPF_SKEL
+#include "bpf_skel/bench_uprobe.skel.h"
+
+#define bench_uprobe__attach_uprobe(prog) \
+ skel->links.prog = bpf_program__attach_uprobe_opts(/*prog=*/skel->progs.prog, \
+ /*pid=*/-1, \
+ /*binary_path=*/"libc.so.6", \
+ /*func_offset=*/0, \
+ /*opts=*/&uprobe_opts); \
+ if (!skel->links.prog) { \
+ err = -errno; \
+ fprintf(stderr, "Failed to attach bench uprobe \"%s\": %s\n", #prog, strerror(errno)); \
+ goto cleanup; \
+ }
+
+struct bench_uprobe_bpf *skel;
+
+static int bench_uprobe__setup_bpf_skel(enum bench_uprobe bench)
+{
+ DECLARE_LIBBPF_OPTS(bpf_uprobe_opts, uprobe_opts);
+ int err;
+
+ /* Load and verify BPF application */
+ skel = bench_uprobe_bpf__open();
+ if (!skel) {
+ fprintf(stderr, "Failed to open and load uprobes bench BPF skeleton\n");
+ return -1;
+ }
+
+ err = bench_uprobe_bpf__load(skel);
+ if (err) {
+ fprintf(stderr, "Failed to load and verify BPF skeleton\n");
+ goto cleanup;
+ }
+
+ uprobe_opts.func_name = "usleep";
+ switch (bench) {
+ case BENCH_UPROBE__BASELINE: break;
+ case BENCH_UPROBE__EMPTY: bench_uprobe__attach_uprobe(empty); break;
+ case BENCH_UPROBE__TRACE_PRINTK: bench_uprobe__attach_uprobe(trace_printk); break;
+ case BENCH_UPROBE__EMPTY_RET: bench_uprobe__attach_uprobe(empty_ret); break;
+ case BENCH_UPROBE__TRACE_PRINTK_RET: bench_uprobe__attach_uprobe(trace_printk_ret); break;
+ default:
+ fprintf(stderr, "Invalid bench: %d\n", bench);
+ goto cleanup;
+ }
+
+ return err;
+cleanup:
+ bench_uprobe_bpf__destroy(skel);
+ skel = NULL;
+ return err;
+}
+
+static void bench_uprobe__teardown_bpf_skel(void)
+{
+ if (skel) {
+ bench_uprobe_bpf__destroy(skel);
+ skel = NULL;
+ }
+}
+#else
+static int bench_uprobe__setup_bpf_skel(enum bench_uprobe bench __maybe_unused) { return 0; }
+static void bench_uprobe__teardown_bpf_skel(void) {};
+#endif
+
+static int bench_uprobe_format__default_fprintf(const char *name, const char *unit, u64 diff, FILE *fp)
+{
+ static u64 baseline, previous;
+ s64 diff_to_baseline = diff - baseline,
+ diff_to_previous = diff - previous;
+ int printed = fprintf(fp, "# Executed %'d %s calls\n", loops, name);
+
+ printed += fprintf(fp, " %14s: %'" PRIu64 " %ss", "Total time", diff, unit);
+
+ if (baseline) {
+ printed += fprintf(fp, " %s%'" PRId64 " to baseline", diff_to_baseline > 0 ? "+" : "", diff_to_baseline);
+
+ if (previous != baseline)
+ fprintf(stdout, " %s%'" PRId64 " to previous", diff_to_previous > 0 ? "+" : "", diff_to_previous);
+ }
+
+ printed += fprintf(fp, "\n\n %'.3f %ss/op", (double)diff / (double)loops, unit);
+
+ if (baseline) {
+ printed += fprintf(fp, " %'.3f %ss/op to baseline", (double)diff_to_baseline / (double)loops, unit);
+
+ if (previous != baseline)
+ printed += fprintf(fp, " %'.3f %ss/op to previous", (double)diff_to_previous / (double)loops, unit);
+ } else {
+ baseline = diff;
+ }
+
+ fputc('\n', fp);
+
+ previous = diff;
+
+ return printed + 1;
+}
+
+static int bench_uprobe(int argc, const char **argv, enum bench_uprobe bench)
+{
+ const char *name = "usleep(1000)", *unit = "usec";
+ struct timespec start, end;
+ u64 diff;
+ int i;
+
+ argc = parse_options(argc, argv, options, bench_uprobe_usage, 0);
+
+ if (bench != BENCH_UPROBE__BASELINE && bench_uprobe__setup_bpf_skel(bench) < 0)
+ return 0;
+
+ clock_gettime(CLOCK_REALTIME, &start);
+
+ for (i = 0; i < loops; i++) {
+ usleep(USEC_PER_MSEC);
+ }
+
+ clock_gettime(CLOCK_REALTIME, &end);
+
+ diff = end.tv_sec * NSEC_PER_SEC + end.tv_nsec - (start.tv_sec * NSEC_PER_SEC + start.tv_nsec);
+ diff /= NSEC_PER_USEC;
+
+ switch (bench_format) {
+ case BENCH_FORMAT_DEFAULT:
+ bench_uprobe_format__default_fprintf(name, unit, diff, stdout);
+ break;
+
+ case BENCH_FORMAT_SIMPLE:
+ printf("%" PRIu64 "\n", diff);
+ break;
+
+ default:
+ /* reaching here is something of a disaster */
+ fprintf(stderr, "Unknown format:%d\n", bench_format);
+ exit(1);
+ }
+
+ if (bench != BENCH_UPROBE__BASELINE)
+ bench_uprobe__teardown_bpf_skel();
+
+ return 0;
+}
+
+int bench_uprobe_baseline(int argc, const char **argv)
+{
+ return bench_uprobe(argc, argv, BENCH_UPROBE__BASELINE);
+}
+
+int bench_uprobe_empty(int argc, const char **argv)
+{
+ return bench_uprobe(argc, argv, BENCH_UPROBE__EMPTY);
+}
+
+int bench_uprobe_trace_printk(int argc, const char **argv)
+{
+ return bench_uprobe(argc, argv, BENCH_UPROBE__TRACE_PRINTK);
+}
+
+int bench_uprobe_empty_ret(int argc, const char **argv)
+{
+ return bench_uprobe(argc, argv, BENCH_UPROBE__EMPTY_RET);
+}
+
+int bench_uprobe_trace_printk_ret(int argc, const char **argv)
+{
+ return bench_uprobe(argc, argv, BENCH_UPROBE__TRACE_PRINTK_RET);
+}
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 56a7c8d210b9..9c27bb30b708 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* builtin-annotate.c
*
@@ -6,44 +7,65 @@
* a histogram of results, along various sorting keys.
*/
#include "builtin.h"
+#include "perf.h"
-#include "util/util.h"
#include "util/color.h"
#include <linux/list.h>
#include "util/cache.h"
#include <linux/rbtree.h>
+#include <linux/zalloc.h>
#include "util/symbol.h"
-#include "perf.h"
#include "util/debug.h"
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/annotate.h"
+#include "util/annotate-data.h"
#include "util/event.h"
#include <subcmd/parse-options.h>
#include "util/parse-events.h"
-#include "util/thread.h"
#include "util/sort.h"
#include "util/hist.h"
+#include "util/dso.h"
+#include "util/machine.h"
+#include "util/map.h"
#include "util/session.h"
#include "util/tool.h"
#include "util/data.h"
#include "arch/common.h"
#include "util/block-range.h"
+#include "util/map_symbol.h"
+#include "util/branch.h"
+#include "util/util.h"
+#include "ui/progress.h"
#include <dlfcn.h>
+#include <errno.h>
#include <linux/bitmap.h>
+#include <linux/err.h>
+#include <inttypes.h>
struct perf_annotate {
struct perf_tool tool;
struct perf_session *session;
- bool use_tui, use_stdio, use_gtk;
- bool full_paths;
- bool print_line;
+#ifdef HAVE_SLANG_SUPPORT
+ bool use_tui;
+#endif
+ bool use_stdio, use_stdio2;
+#ifdef HAVE_GTK2_SUPPORT
+ bool use_gtk;
+#endif
bool skip_missing;
+ bool has_br_stack;
+ bool group_set;
+ bool data_type;
+ bool type_stat;
+ bool insn_stat;
+ float min_percent;
const char *sym_hist_filter;
const char *cpu_list;
+ const char *target_data_type;
DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
};
@@ -75,10 +97,11 @@ static void process_basic_block(struct addr_map_symbol *start,
struct addr_map_symbol *end,
struct branch_flags *flags)
{
- struct symbol *sym = start->sym;
+ struct symbol *sym = start->ms.sym;
struct annotation *notes = sym ? symbol__annotation(sym) : NULL;
struct block_range_iter iter;
struct block_range *entry;
+ struct annotated_branch *branch;
/*
* Sanity; NULL isn't executable and the CPU cannot execute backwards
@@ -90,6 +113,8 @@ static void process_basic_block(struct addr_map_symbol *start,
if (!block_range_iter__valid(&iter))
return;
+ branch = annotation__get_branch(notes);
+
/*
* First block in range is a branch target.
*/
@@ -103,8 +128,8 @@ static void process_basic_block(struct addr_map_symbol *start,
entry->coverage++;
entry->sym = sym;
- if (notes)
- notes->max_coverage = max(notes->max_coverage, entry->coverage);
+ if (branch)
+ branch->max_coverage = max(branch->max_coverage, entry->coverage);
} while (block_range_iter__next(&iter));
@@ -144,16 +169,83 @@ static void process_branch_stack(struct branch_stack *bs, struct addr_location *
free(bi);
}
-static int perf_evsel__add_sample(struct perf_evsel *evsel,
- struct perf_sample *sample,
- struct addr_location *al,
- struct perf_annotate *ann)
+static int hist_iter__branch_callback(struct hist_entry_iter *iter,
+ struct addr_location *al __maybe_unused,
+ bool single __maybe_unused,
+ void *arg __maybe_unused)
+{
+ struct hist_entry *he = iter->he;
+ struct branch_info *bi;
+ struct perf_sample *sample = iter->sample;
+ struct evsel *evsel = iter->evsel;
+ int err;
+
+ bi = he->branch_info;
+ err = addr_map_symbol__inc_samples(&bi->from, sample, evsel);
+
+ if (err)
+ goto out;
+
+ err = addr_map_symbol__inc_samples(&bi->to, sample, evsel);
+
+out:
+ return err;
+}
+
+static int process_branch_callback(struct evsel *evsel,
+ struct perf_sample *sample,
+ struct addr_location *al,
+ struct perf_annotate *ann,
+ struct machine *machine)
+{
+ struct hist_entry_iter iter = {
+ .evsel = evsel,
+ .sample = sample,
+ .add_entry_cb = hist_iter__branch_callback,
+ .hide_unresolved = symbol_conf.hide_unresolved,
+ .ops = &hist_iter_branch,
+ };
+ struct addr_location a;
+ int ret;
+
+ addr_location__init(&a);
+ if (machine__resolve(machine, &a, sample) < 0) {
+ ret = -1;
+ goto out;
+ }
+
+ if (a.sym == NULL) {
+ ret = 0;
+ goto out;
+ }
+
+ if (a.map != NULL)
+ dso__set_hit(map__dso(a.map));
+
+ hist__account_cycles(sample->branch_stack, al, sample, false,
+ NULL, evsel);
+
+ ret = hist_entry_iter__add(&iter, &a, PERF_MAX_STACK_DEPTH, ann);
+out:
+ addr_location__exit(&a);
+ return ret;
+}
+
+static bool has_annotation(struct perf_annotate *ann)
+{
+ return ui__has_annotation() || ann->use_stdio2;
+}
+
+static int evsel__add_sample(struct evsel *evsel, struct perf_sample *sample,
+ struct addr_location *al, struct perf_annotate *ann,
+ struct machine *machine)
{
struct hists *hists = evsel__hists(evsel);
struct hist_entry *he;
int ret;
- if (ann->sym_hist_filter != NULL &&
+ if ((!ann->has_br_stack || !has_annotation(ann)) &&
+ ann->sym_hist_filter != NULL &&
(al->sym == NULL ||
strcmp(ann->sym_hist_filter, al->sym->name) != 0)) {
/* We're only interested in a symbol named sym_hist_filter */
@@ -162,97 +254,256 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel,
* the DSO?
*/
if (al->sym != NULL) {
- rb_erase(&al->sym->rb_node,
- &al->map->dso->symbols[al->map->type]);
+ struct dso *dso = map__dso(al->map);
+
+ rb_erase_cached(&al->sym->rb_node, dso__symbols(dso));
symbol__delete(al->sym);
- dso__reset_find_symbol_cache(al->map->dso);
+ dso__reset_find_symbol_cache(dso);
}
return 0;
}
/*
- * XXX filtered samples can still have branch entires pointing into our
+ * XXX filtered samples can still have branch entries pointing into our
* symbol and are missed.
*/
process_branch_stack(sample->branch_stack, al, sample);
- sample->period = 1;
- sample->weight = 1;
+ if (ann->has_br_stack && has_annotation(ann))
+ return process_branch_callback(evsel, sample, al, ann, machine);
- he = hists__add_entry(hists, al, NULL, NULL, NULL, sample, true);
+ he = hists__add_entry(hists, al, NULL, NULL, NULL, NULL, sample, true);
if (he == NULL)
return -ENOMEM;
- ret = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
+ ret = hist_entry__inc_addr_samples(he, sample, evsel, al->addr);
hists__inc_nr_samples(hists, true);
return ret;
}
-static int process_sample_event(struct perf_tool *tool,
+static int process_sample_event(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool);
struct addr_location al;
int ret = 0;
+ addr_location__init(&al);
if (machine__resolve(machine, &al, sample) < 0) {
pr_warning("problem processing %d event, skipping it.\n",
event->header.type);
- return -1;
+ ret = -1;
+ goto out_put;
}
if (ann->cpu_list && !test_bit(sample->cpu, ann->cpu_bitmap))
goto out_put;
- if (!al.filtered && perf_evsel__add_sample(evsel, sample, &al, ann)) {
+ if (!al.filtered &&
+ evsel__add_sample(evsel, sample, &al, ann, machine)) {
pr_warning("problem incrementing symbol count, "
"skipping event\n");
ret = -1;
}
out_put:
- addr_location__put(&al);
+ addr_location__exit(&al);
return ret;
}
-static int hist_entry__tty_annotate(struct hist_entry *he,
- struct perf_evsel *evsel,
+static int process_feature_event(const struct perf_tool *tool __maybe_unused,
+ struct perf_session *session,
+ union perf_event *event)
+{
+ if (event->feat.feat_id < HEADER_LAST_FEATURE)
+ return perf_event__process_feature(session, event);
+ return 0;
+}
+
+static int hist_entry__stdio_annotate(struct hist_entry *he,
+ struct evsel *evsel,
struct perf_annotate *ann)
{
- return symbol__tty_annotate(he->ms.sym, he->ms.map, evsel,
- ann->print_line, ann->full_paths, 0, 0);
+ if (ann->use_stdio2)
+ return hist_entry__tty_annotate2(he, evsel);
+
+ return hist_entry__tty_annotate(he, evsel);
+}
+
+static void print_annotate_data_stat(struct annotated_data_stat *s)
+{
+#define PRINT_STAT(fld) if (s->fld) printf("%10d : %s\n", s->fld, #fld)
+
+ int bad = s->no_sym +
+ s->no_insn +
+ s->no_insn_ops +
+ s->no_mem_ops +
+ s->no_reg +
+ s->no_dbginfo +
+ s->no_cuinfo +
+ s->no_var +
+ s->no_typeinfo +
+ s->invalid_size +
+ s->bad_offset;
+ int ok = s->total - bad;
+
+ printf("Annotate data type stats:\n");
+ printf("total %d, ok %d (%.1f%%), bad %d (%.1f%%)\n",
+ s->total, ok, 100.0 * ok / (s->total ?: 1), bad, 100.0 * bad / (s->total ?: 1));
+ printf("-----------------------------------------------------------\n");
+ PRINT_STAT(no_sym);
+ PRINT_STAT(no_insn);
+ PRINT_STAT(no_insn_ops);
+ PRINT_STAT(no_mem_ops);
+ PRINT_STAT(no_reg);
+ PRINT_STAT(no_dbginfo);
+ PRINT_STAT(no_cuinfo);
+ PRINT_STAT(no_var);
+ PRINT_STAT(no_typeinfo);
+ PRINT_STAT(invalid_size);
+ PRINT_STAT(bad_offset);
+ PRINT_STAT(insn_track);
+ printf("\n");
+
+#undef PRINT_STAT
+}
+
+static void print_annotate_item_stat(struct list_head *head, const char *title)
+{
+ struct annotated_item_stat *istat, *pos, *iter;
+ int total_good, total_bad, total;
+ int sum1, sum2;
+ LIST_HEAD(tmp);
+
+ /* sort the list by count */
+ list_splice_init(head, &tmp);
+ total_good = total_bad = 0;
+
+ list_for_each_entry_safe(istat, pos, &tmp, list) {
+ total_good += istat->good;
+ total_bad += istat->bad;
+ sum1 = istat->good + istat->bad;
+
+ list_for_each_entry(iter, head, list) {
+ sum2 = iter->good + iter->bad;
+ if (sum1 > sum2)
+ break;
+ }
+ list_move_tail(&istat->list, &iter->list);
+ }
+ total = total_good + total_bad;
+
+ printf("Annotate %s stats\n", title);
+ printf("total %d, ok %d (%.1f%%), bad %d (%.1f%%)\n\n", total,
+ total_good, 100.0 * total_good / (total ?: 1),
+ total_bad, 100.0 * total_bad / (total ?: 1));
+ printf(" %-20s: %5s %5s\n", "Name/opcode", "Good", "Bad");
+ printf("-----------------------------------------------------------\n");
+ list_for_each_entry(istat, head, list)
+ printf(" %-20s: %5d %5d\n", istat->name, istat->good, istat->bad);
+ printf("\n");
}
static void hists__find_annotations(struct hists *hists,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_annotate *ann)
{
- struct rb_node *nd = rb_first(&hists->entries), *next;
+ struct rb_node *nd = rb_first_cached(&hists->entries), *next;
int key = K_RIGHT;
+ if (ann->type_stat)
+ print_annotate_data_stat(&ann_data_stat);
+ if (ann->insn_stat)
+ print_annotate_item_stat(&ann_insn_stat, "Instruction");
+
while (nd) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
struct annotation *notes;
- if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned)
+ if (he->ms.sym == NULL || dso__annotate_warned(map__dso(he->ms.map)))
goto find_next;
+ if (ann->sym_hist_filter &&
+ (strcmp(he->ms.sym->name, ann->sym_hist_filter) != 0))
+ goto find_next;
+
+ if (ann->min_percent) {
+ float percent = 0;
+ u64 total = hists__total_period(hists);
+
+ if (total)
+ percent = 100.0 * he->stat.period / total;
+
+ if (percent < ann->min_percent)
+ goto find_next;
+ }
+
notes = symbol__annotation(he->ms.sym);
if (notes->src == NULL) {
find_next:
- if (key == K_LEFT)
+ if (key == K_LEFT || key == '<')
nd = rb_prev(nd);
else
nd = rb_next(nd);
continue;
}
+ if (ann->data_type) {
+ /* skip unknown type */
+ if (he->mem_type->histograms == NULL)
+ goto find_next;
+
+ if (ann->target_data_type) {
+ const char *type_name = he->mem_type->self.type_name;
+
+ /* skip 'struct ' prefix in the type name */
+ if (strncmp(ann->target_data_type, "struct ", 7) &&
+ !strncmp(type_name, "struct ", 7))
+ type_name += 7;
+
+ /* skip 'union ' prefix in the type name */
+ if (strncmp(ann->target_data_type, "union ", 6) &&
+ !strncmp(type_name, "union ", 6))
+ type_name += 6;
+
+ if (strcmp(ann->target_data_type, type_name))
+ goto find_next;
+ }
+
+ if (use_browser == 1)
+ key = hist_entry__annotate_data_tui(he, evsel, NULL);
+ else
+ key = hist_entry__annotate_data_tty(he, evsel);
+
+ switch (key) {
+ case -1:
+ if (!ann->skip_missing)
+ return;
+ /* fall through */
+ case K_RIGHT:
+ case '>':
+ next = rb_next(nd);
+ break;
+ case K_LEFT:
+ case '<':
+ next = rb_prev(nd);
+ break;
+ default:
+ return;
+ }
+
+ if (use_browser == 0 || next != NULL)
+ nd = next;
+
+ continue;
+ }
+
if (use_browser == 2) {
int ret;
int (*annotate)(struct hist_entry *he,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct hist_browser_timer *hbt);
annotate = dlsym(perf_gtk_handle,
@@ -269,16 +520,19 @@ find_next:
/* skip missing symbols */
nd = rb_next(nd);
} else if (use_browser == 1) {
- key = hist_entry__tui_annotate(he, evsel, NULL);
+ key = hist_entry__tui_annotate(he, evsel, NULL, NO_ADDR);
+
switch (key) {
case -1:
if (!ann->skip_missing)
return;
/* fall through */
case K_RIGHT:
+ case '>':
next = rb_next(nd);
break;
case K_LEFT:
+ case '<':
next = rb_prev(nd);
break;
default:
@@ -288,15 +542,8 @@ find_next:
if (next != NULL)
nd = next;
} else {
- hist_entry__tty_annotate(he, evsel, ann);
+ hist_entry__stdio_annotate(he, evsel, ann);
nd = rb_next(nd);
- /*
- * Since we have a hist_entry per IP for the same
- * symbol, free he->ms.sym->src to signal we already
- * processed this symbol.
- */
- zfree(&notes->src->cycles_hist);
- zfree(&notes->src);
}
}
}
@@ -305,7 +552,7 @@ static int __cmd_annotate(struct perf_annotate *ann)
{
int ret;
struct perf_session *session = ann->session;
- struct perf_evsel *pos;
+ struct evsel *pos;
u64 total_nr_samples;
if (ann->cpu_list) {
@@ -315,8 +562,9 @@ static int __cmd_annotate(struct perf_annotate *ann)
goto out;
}
- if (!objdump_path) {
- ret = perf_env__lookup_objdump(&session->header.env);
+ if (!annotate_opts.objdump_path) {
+ ret = perf_env__lookup_objdump(perf_session__env(session),
+ &annotate_opts.objdump_path);
if (ret)
goto out;
}
@@ -327,7 +575,7 @@ static int __cmd_annotate(struct perf_annotate *ann)
if (dump_trace) {
perf_session__fprintf_nr_events(session, stdout);
- perf_evlist__fprintf_nr_events(session->evlist, stdout);
+ evlist__fprintf_nr_events(session->evlist, stdout);
goto out;
}
@@ -340,28 +588,73 @@ static int __cmd_annotate(struct perf_annotate *ann)
total_nr_samples = 0;
evlist__for_each_entry(session->evlist, pos) {
struct hists *hists = evsel__hists(pos);
- u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
+ u32 nr_samples = hists->stats.nr_samples;
+ struct ui_progress prog;
if (nr_samples > 0) {
total_nr_samples += nr_samples;
- hists__collapse_resort(hists, NULL);
+
+ ui_progress__init(&prog, nr_samples,
+ "Merging related events...");
+ hists__collapse_resort(hists, &prog);
+ ui_progress__finish();
+
/* Don't sort callchain */
- perf_evsel__reset_sample_bit(pos, CALLCHAIN);
- perf_evsel__output_resort(pos, NULL);
+ evsel__reset_sample_bit(pos, CALLCHAIN);
- if (symbol_conf.event_group &&
- !perf_evsel__is_group_leader(pos))
+ ui_progress__init(&prog, nr_samples,
+ "Sorting events for output...");
+ evsel__output_resort(pos, &prog);
+ ui_progress__finish();
+
+ /*
+ * An event group needs to display other events too.
+ * Let's delay printing until other events are processed.
+ */
+ if (symbol_conf.event_group) {
+ if (!evsel__is_group_leader(pos)) {
+ struct hists *leader_hists;
+
+ leader_hists = evsel__hists(evsel__leader(pos));
+ hists__match(leader_hists, hists);
+ hists__link(leader_hists, hists);
+ }
continue;
+ }
hists__find_annotations(hists, pos, ann);
}
}
if (total_nr_samples == 0) {
- ui__error("The %s file has no samples!\n", session->file->path);
+ ui__error("The %s data has no samples!\n", session->data->path);
goto out;
}
+ /* Display group events together */
+ evlist__for_each_entry(session->evlist, pos) {
+ struct hists *hists = evsel__hists(pos);
+ u32 nr_samples = hists->stats.nr_samples;
+ struct ui_progress prog;
+ struct evsel *evsel;
+
+ if (!symbol_conf.event_group || !evsel__is_group_leader(pos))
+ continue;
+
+ for_each_group_member(evsel, pos)
+ nr_samples += evsel__hists(evsel)->stats.nr_samples;
+
+ if (nr_samples == 0)
+ continue;
+
+ ui_progress__init(&prog, nr_samples,
+ "Sorting group events for output...");
+ evsel__output_resort(pos, &prog);
+ ui_progress__finish();
+
+ hists__find_annotations(hists, pos, ann);
+ }
+
if (use_browser == 2) {
void (*show_annotations)(void);
@@ -378,6 +671,27 @@ out:
return ret;
}
+static int parse_percent_limit(const struct option *opt, const char *str,
+ int unset __maybe_unused)
+{
+ struct perf_annotate *ann = opt->value;
+ double pcnt = strtof(str, NULL);
+
+ ann->min_percent = pcnt;
+ return 0;
+}
+
+static int parse_data_type(const struct option *opt, const char *str, int unset)
+{
+ struct perf_annotate *ann = opt->value;
+
+ ann->data_type = !unset;
+ if (str)
+ ann->target_data_type = strdup(str);
+
+ return 0;
+}
+
static const char * const annotate_usage[] = {
"perf annotate [<options>]",
NULL
@@ -385,74 +699,113 @@ static const char * const annotate_usage[] = {
int cmd_annotate(int argc, const char **argv)
{
- struct perf_annotate annotate = {
- .tool = {
- .sample = process_sample_event,
- .mmap = perf_event__process_mmap,
- .mmap2 = perf_event__process_mmap2,
- .comm = perf_event__process_comm,
- .exit = perf_event__process_exit,
- .fork = perf_event__process_fork,
- .namespaces = perf_event__process_namespaces,
- .ordered_events = true,
- .ordering_requires_timestamps = true,
- },
- };
- struct perf_data_file file = {
+ struct perf_annotate annotate = {};
+ struct perf_data data = {
.mode = PERF_DATA_MODE_READ,
};
- const struct option options[] = {
+ struct itrace_synth_opts itrace_synth_opts = {
+ .set = 0,
+ };
+ const char *disassembler_style = NULL, *objdump_path = NULL, *addr2line_path = NULL;
+ struct option options[] = {
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
"only consider symbols in these dsos"),
OPT_STRING('s', "symbol", &annotate.sym_hist_filter, "symbol",
"symbol to annotate"),
- OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
+ OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),
- OPT_BOOLEAN('q', "quiet", &quiet, "do now show any message"),
+ OPT_BOOLEAN('q', "quiet", &quiet, "do now show any warnings or messages"),
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
"dump raw trace in ASCII"),
+#ifdef HAVE_GTK2_SUPPORT
OPT_BOOLEAN(0, "gtk", &annotate.use_gtk, "Use the GTK interface"),
+#endif
+#ifdef HAVE_SLANG_SUPPORT
OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"),
+#endif
OPT_BOOLEAN(0, "stdio", &annotate.use_stdio, "Use the stdio interface"),
+ OPT_BOOLEAN(0, "stdio2", &annotate.use_stdio2, "Use the stdio interface"),
+ OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
+ "don't load vmlinux even if found"),
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
"file", "vmlinux pathname"),
OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
"load module symbols - WARNING: use only with -k and LIVE kernel"),
- OPT_BOOLEAN('l', "print-line", &annotate.print_line,
+ OPT_BOOLEAN('l', "print-line", &annotate_opts.print_lines,
"print matching source lines (may be slow)"),
- OPT_BOOLEAN('P', "full-paths", &annotate.full_paths,
+ OPT_BOOLEAN('P', "full-paths", &annotate_opts.full_path,
"Don't shorten the displayed pathnames"),
OPT_BOOLEAN(0, "skip-missing", &annotate.skip_missing,
"Skip symbols that cannot be annotated"),
+ OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group,
+ &annotate.group_set,
+ "Show event group information together"),
OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"),
OPT_CALLBACK(0, "symfs", NULL, "directory",
"Look for files with symbols relative to this directory",
symbol__config_symfs),
- OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
+ OPT_BOOLEAN(0, "source", &annotate_opts.annotate_src,
"Interleave source code with assembly code (default)"),
- OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
+ OPT_BOOLEAN(0, "asm-raw", &annotate_opts.show_asm_raw,
"Display raw encoding of assembly instructions (default)"),
OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
"Specify disassembler style (e.g. -M intel for intel syntax)"),
+ OPT_STRING(0, "prefix", &annotate_opts.prefix, "prefix",
+ "Add prefix to source file path names in programs (with --prefix-strip)"),
+ OPT_STRING(0, "prefix-strip", &annotate_opts.prefix_strip, "N",
+ "Strip first N entries of source file path name in programs (with --prefix)"),
OPT_STRING(0, "objdump", &objdump_path, "path",
"objdump binary to use for disassembly and annotations"),
- OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
- "Show event group information together"),
+ OPT_STRING(0, "addr2line", &addr2line_path, "path",
+ "addr2line binary to use for line numbers"),
+ OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
+ "Enable symbol demangling"),
+ OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
+ "Enable kernel symbol demangling"),
OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
"Show a column with the sum of periods"),
+ OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
+ "Show a column with the number of samples"),
OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
"'always' (default), 'never' or 'auto' only applicable to --stdio mode",
stdio__config_color, "always"),
+ OPT_CALLBACK(0, "percent-type", &annotate_opts, "local-period",
+ "Set percent type local/global-period/hits",
+ annotate_parse_percent_type),
+ OPT_CALLBACK(0, "percent-limit", &annotate, "percent",
+ "Don't show entries under that percent", parse_percent_limit),
+ OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
+ "Instruction Tracing options\n" ITRACE_HELP,
+ itrace_parse_synth_opts),
+ OPT_CALLBACK_OPTARG(0, "data-type", &annotate, NULL, "name",
+ "Show data type annotate for the memory accesses",
+ parse_data_type),
+ OPT_BOOLEAN(0, "type-stat", &annotate.type_stat,
+ "Show stats for the data type annotation"),
+ OPT_BOOLEAN(0, "insn-stat", &annotate.insn_stat,
+ "Show instruction stats for the data type annotation"),
+ OPT_BOOLEAN(0, "skip-empty", &symbol_conf.skip_empty,
+ "Do not display empty (or dummy) events in the output"),
+ OPT_BOOLEAN(0, "code-with-type", &annotate_opts.code_with_type,
+ "Show data type info in code annotation (memory instructions only)"),
OPT_END()
};
- int ret = hists__init();
+ int ret;
+
+ set_option_flag(options, 0, "show-total-period", PARSE_OPT_EXCLUSIVE);
+ set_option_flag(options, 0, "show-nr-samples", PARSE_OPT_EXCLUSIVE);
+ annotation_options__init();
+
+ ret = hists__init();
if (ret < 0)
return ret;
+ annotation_config__init();
+
argc = parse_options(argc, argv, options, annotate_usage, 0);
if (argc) {
/*
@@ -465,14 +818,78 @@ int cmd_annotate(int argc, const char **argv)
annotate.sym_hist_filter = argv[0];
}
+ if (disassembler_style) {
+ annotate_opts.disassembler_style = strdup(disassembler_style);
+ if (!annotate_opts.disassembler_style)
+ return -ENOMEM;
+ }
+ if (objdump_path) {
+ annotate_opts.objdump_path = strdup(objdump_path);
+ if (!annotate_opts.objdump_path)
+ return -ENOMEM;
+ }
+ if (addr2line_path) {
+ symbol_conf.addr2line_path = strdup(addr2line_path);
+ if (!symbol_conf.addr2line_path)
+ return -ENOMEM;
+ }
+
+ if (annotate_check_args() < 0)
+ return -EINVAL;
+
+#ifdef HAVE_GTK2_SUPPORT
+ if (symbol_conf.show_nr_samples && annotate.use_gtk) {
+ pr_err("--show-nr-samples is not available in --gtk mode at this time\n");
+ return ret;
+ }
+#endif
+
+#ifndef HAVE_LIBDW_SUPPORT
+ if (annotate.data_type) {
+ pr_err("Error: Data type profiling is disabled due to missing DWARF support\n");
+ return -ENOTSUP;
+ }
+#endif
+
+ ret = symbol__validate_sym_arguments();
+ if (ret)
+ return ret;
+
if (quiet)
perf_quiet_option();
- file.path = input_name;
-
- annotate.session = perf_session__new(&file, false, &annotate.tool);
- if (annotate.session == NULL)
- return -1;
+ data.path = input_name;
+
+ perf_tool__init(&annotate.tool, /*ordered_events=*/true);
+ annotate.tool.sample = process_sample_event;
+ annotate.tool.mmap = perf_event__process_mmap;
+ annotate.tool.mmap2 = perf_event__process_mmap2;
+ annotate.tool.comm = perf_event__process_comm;
+ annotate.tool.exit = perf_event__process_exit;
+ annotate.tool.fork = perf_event__process_fork;
+ annotate.tool.namespaces = perf_event__process_namespaces;
+ annotate.tool.attr = perf_event__process_attr;
+ annotate.tool.build_id = perf_event__process_build_id;
+#ifdef HAVE_LIBTRACEEVENT
+ annotate.tool.tracing_data = perf_event__process_tracing_data;
+#endif
+ annotate.tool.id_index = perf_event__process_id_index;
+ annotate.tool.auxtrace_info = perf_event__process_auxtrace_info;
+ annotate.tool.auxtrace = perf_event__process_auxtrace;
+ annotate.tool.feature = process_feature_event;
+ annotate.tool.ordering_requires_timestamps = true;
+
+ annotate.session = perf_session__new(&data, &annotate.tool);
+ if (IS_ERR(annotate.session))
+ return PTR_ERR(annotate.session);
+
+ annotate.session->itrace_synth_opts = &itrace_synth_opts;
+
+ annotate.has_br_stack = perf_header__has_feat(&annotate.session->header,
+ HEADER_BRANCH_STACK);
+
+ if (annotate.group_set)
+ evlist__force_leader(annotate.session->evlist);
ret = symbol__annotation_init();
if (ret < 0)
@@ -480,36 +897,66 @@ int cmd_annotate(int argc, const char **argv)
symbol_conf.try_vmlinux_path = true;
- ret = symbol__init(&annotate.session->header.env);
+ ret = symbol__init(perf_session__env(annotate.session));
if (ret < 0)
goto out_delete;
- if (setup_sorting(NULL) < 0)
- usage_with_options(annotate_usage, options);
-
- if (annotate.use_stdio)
+ if (annotate.use_stdio || annotate.use_stdio2)
use_browser = 0;
+#ifdef HAVE_SLANG_SUPPORT
else if (annotate.use_tui)
use_browser = 1;
+#endif
+#ifdef HAVE_GTK2_SUPPORT
else if (annotate.use_gtk)
use_browser = 2;
+#endif
+
+ if (annotate.data_type) {
+ annotate_opts.annotate_src = false;
+ symbol_conf.annotate_data_member = true;
+ symbol_conf.annotate_data_sample = true;
+ } else if (annotate_opts.code_with_type) {
+ symbol_conf.annotate_data_member = true;
+ }
setup_browser(true);
+ /*
+ * Events of different processes may correspond to the same
+ * symbol, we do not care about the processes in annotate,
+ * set sort order to avoid repeated output.
+ */
+ if (annotate.data_type)
+ sort_order = "dso,type";
+ else
+ sort_order = "dso,symbol";
+
+ /*
+ * Set SORT_MODE__BRANCH so that annotate displays IPC/Cycle and
+ * branch counters, if the corresponding branch info is available
+ * in the perf data in the TUI mode.
+ */
+ if ((use_browser == 1 || annotate.use_stdio2) && annotate.has_br_stack) {
+ sort__mode = SORT_MODE__BRANCH;
+ if (annotate.session->evlist->nr_br_cntr > 0)
+ annotate_opts.show_br_cntr = true;
+ }
+
+ if (setup_sorting(/*evlist=*/NULL, perf_session__env(annotate.session)) < 0)
+ usage_with_options(annotate_usage, options);
+
ret = __cmd_annotate(&annotate);
out_delete:
/*
- * Speed up the exit process, for large files this can
- * take quite a while.
- *
- * XXX Enable this when using valgrind or if we ever
- * librarize this command.
- *
- * Also experiment with obstacks to see how much speed
- * up we'll get here.
- *
- * perf_session__delete(session);
+ * Speed up the exit process by only deleting for debug builds. For
+ * large files this can save time.
*/
+#ifndef NDEBUG
+ perf_session__delete(annotate.session);
+#endif
+ annotation_options__exit();
+
return ret;
}
diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index 445e62881254..02dea1b88228 100644
--- a/tools/perf/builtin-bench.c
+++ b/tools/perf/builtin-bench.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* builtin-bench.c
*
@@ -10,20 +11,22 @@
* Available benchmark collection list:
*
* sched ... scheduler and IPC performance
+ * syscall ... System call performance
* mem ... memory access performance
* numa ... NUMA scheduling and MM performance
* futex ... Futex performance
+ * epoll ... Event poll performance
*/
-#include "perf.h"
-#include "util/util.h"
#include <subcmd/parse-options.h>
#include "builtin.h"
#include "bench/bench.h"
+#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
+#include <linux/zalloc.h>
typedef int (*bench_fn_t)(int argc, const char **argv);
@@ -44,13 +47,25 @@ static struct bench numa_benchmarks[] = {
static struct bench sched_benchmarks[] = {
{ "messaging", "Benchmark for scheduling and IPC", bench_sched_messaging },
{ "pipe", "Benchmark for pipe() between two processes", bench_sched_pipe },
+ { "seccomp-notify", "Benchmark for seccomp user notify", bench_sched_seccomp_notify},
{ "all", "Run all scheduler benchmarks", NULL },
{ NULL, NULL, NULL }
};
+static struct bench syscall_benchmarks[] = {
+ { "basic", "Benchmark for basic getppid(2) calls", bench_syscall_basic },
+ { "getpgid", "Benchmark for getpgid(2) calls", bench_syscall_getpgid },
+ { "fork", "Benchmark for fork(2) calls", bench_syscall_fork },
+ { "execve", "Benchmark for execve(2) calls", bench_syscall_execve },
+ { "all", "Run all syscall benchmarks", NULL },
+ { NULL, NULL, NULL },
+};
+
static struct bench mem_benchmarks[] = {
{ "memcpy", "Benchmark for memcpy() functions", bench_mem_memcpy },
{ "memset", "Benchmark for memset() functions", bench_mem_memset },
+ { "find_bit", "Benchmark for find_bit() functions", bench_mem_find_bit },
+ { "mmap", "Benchmark for mmap() mappings", bench_mem_mmap },
{ "all", "Run all memory access benchmarks", NULL },
{ NULL, NULL, NULL }
};
@@ -66,6 +81,40 @@ static struct bench futex_benchmarks[] = {
{ NULL, NULL, NULL }
};
+#ifdef HAVE_EVENTFD_SUPPORT
+static struct bench epoll_benchmarks[] = {
+ { "wait", "Benchmark epoll concurrent epoll_waits", bench_epoll_wait },
+ { "ctl", "Benchmark epoll concurrent epoll_ctls", bench_epoll_ctl },
+ { "all", "Run all futex benchmarks", NULL },
+ { NULL, NULL, NULL }
+};
+#endif // HAVE_EVENTFD_SUPPORT
+
+static struct bench internals_benchmarks[] = {
+ { "synthesize", "Benchmark perf event synthesis", bench_synthesize },
+ { "kallsyms-parse", "Benchmark kallsyms parsing", bench_kallsyms_parse },
+ { "inject-build-id", "Benchmark build-id injection", bench_inject_build_id },
+ { "evlist-open-close", "Benchmark evlist open and close", bench_evlist_open_close },
+ { "pmu-scan", "Benchmark sysfs PMU info scanning", bench_pmu_scan },
+ { NULL, NULL, NULL }
+};
+
+static struct bench breakpoint_benchmarks[] = {
+ { "thread", "Benchmark thread start/finish with breakpoints", bench_breakpoint_thread},
+ { "enable", "Benchmark breakpoint enable/disable", bench_breakpoint_enable},
+ { "all", "Run all breakpoint benchmarks", NULL},
+ { NULL, NULL, NULL },
+};
+
+static struct bench uprobe_benchmarks[] = {
+ { "baseline", "Baseline libc usleep(1000) call", bench_uprobe_baseline, },
+ { "empty", "Attach empty BPF prog to uprobe on usleep, system wide", bench_uprobe_empty, },
+ { "trace_printk", "Attach trace_printk BPF prog to uprobe on usleep syswide", bench_uprobe_trace_printk, },
+ { "empty_ret", "Attach empty BPF prog to uretprobe on usleep, system wide", bench_uprobe_empty_ret, },
+ { "trace_printk_ret", "Attach trace_printk BPF prog to uretprobe on usleep syswide", bench_uprobe_trace_printk_ret,},
+ { NULL, NULL, NULL },
+};
+
struct collection {
const char *name;
const char *summary;
@@ -74,11 +123,18 @@ struct collection {
static struct collection collections[] = {
{ "sched", "Scheduler and IPC benchmarks", sched_benchmarks },
+ { "syscall", "System call benchmarks", syscall_benchmarks },
{ "mem", "Memory access benchmarks", mem_benchmarks },
#ifdef HAVE_LIBNUMA_SUPPORT
{ "numa", "NUMA scheduling and MM benchmarks", numa_benchmarks },
#endif
{"futex", "Futex stressing benchmarks", futex_benchmarks },
+#ifdef HAVE_EVENTFD_SUPPORT
+ {"epoll", "Epoll stressing benchmarks", epoll_benchmarks },
+#endif
+ { "internals", "Perf-internals benchmarks", internals_benchmarks },
+ { "breakpoint", "Breakpoint benchmarks", breakpoint_benchmarks },
+ { "uprobe", "uprobe benchmarks", uprobe_benchmarks },
{ "all", "All benchmarks", NULL },
{ NULL, NULL, NULL }
};
@@ -111,7 +167,7 @@ unsigned int bench_repeat = 10; /* default number of times to repeat the run */
static const struct option bench_options[] = {
OPT_STRING('f', "format", &bench_format_str, "default|simple", "Specify the output formatting style"),
- OPT_UINTEGER('r', "repeat", &bench_repeat, "Specify amount of times to repeat the run"),
+ OPT_UINTEGER('r', "repeat", &bench_repeat, "Specify number of times to repeat the run"),
OPT_END()
};
@@ -195,7 +251,6 @@ static void run_collection(struct collection *coll)
if (!bench->fn)
break;
printf("# Running %s/%s benchmark...\n", coll->name, bench->name);
- fflush(stdout);
argv[1] = bench->name;
run_bench(coll->name, bench->name, bench->fn, 1, argv);
@@ -216,6 +271,10 @@ int cmd_bench(int argc, const char **argv)
struct collection *coll;
int ret = 0;
+ /* Unbuffered output */
+ setvbuf(stdout, NULL, _IONBF, 0);
+ setlocale(LC_ALL, "");
+
if (argc < 2) {
/* No collection specified. */
print_usage();
@@ -269,7 +328,6 @@ int cmd_bench(int argc, const char **argv)
if (bench_format == BENCH_FORMAT_DEFAULT)
printf("# Running '%s/%s' benchmark:\n", coll->name, bench->name);
- fflush(stdout);
ret = run_bench(coll->name, bench->name, bench->fn, argc-1, argv+1);
goto end;
}
diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index 94b55eee0d9b..c98104481c8a 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* builtin-buildid-cache.c
*
@@ -10,19 +11,27 @@
#include <sys/time.h>
#include <time.h>
#include <dirent.h>
+#include <errno.h>
#include <unistd.h>
#include "builtin.h"
-#include "perf.h"
-#include "util/cache.h"
+#include "namespaces.h"
#include "util/debug.h"
#include "util/header.h"
+#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include "util/strlist.h"
#include "util/build-id.h"
#include "util/session.h"
+#include "util/dso.h"
#include "util/symbol.h"
-
-static int build_id_cache__kcore_buildid(const char *proc_dir, char *sbuildid)
+#include "util/time-utils.h"
+#include "util/util.h"
+#include "util/probe-file.h"
+#include "util/config.h"
+#include <linux/string.h>
+#include <linux/err.h>
+
+static int build_id_cache__kcore_buildid(const char *proc_dir, char *sbuildid, size_t sbuildid_size)
{
char root_dir[PATH_MAX];
char *p;
@@ -33,7 +42,7 @@ static int build_id_cache__kcore_buildid(const char *proc_dir, char *sbuildid)
if (!p)
return -1;
*p = '\0';
- return sysfs__sprintf_build_id(root_dir, sbuildid);
+ return sysfs__snprintf_build_id(root_dir, sbuildid, sbuildid_size);
}
static int build_id_cache__kcore_dir(char *dir, size_t sz)
@@ -47,19 +56,22 @@ static bool same_kallsyms_reloc(const char *from_dir, char *to_dir)
char to[PATH_MAX];
const char *name;
u64 addr1 = 0, addr2 = 0;
- int i;
+ int i, err = -1;
scnprintf(from, sizeof(from), "%s/kallsyms", from_dir);
scnprintf(to, sizeof(to), "%s/kallsyms", to_dir);
for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) {
- addr1 = kallsyms__get_function_start(from, name);
- if (addr1)
+ err = kallsyms__get_function_start(from, name, &addr1);
+ if (!err)
break;
}
- if (name)
- addr2 = kallsyms__get_function_start(to, name);
+ if (err)
+ return false;
+
+ if (kallsyms__get_function_start(to, name, &addr2))
+ return false;
return addr1 == addr2;
}
@@ -116,7 +128,7 @@ static int build_id_cache__add_kcore(const char *filename, bool force)
return -1;
*p = '\0';
- if (build_id_cache__kcore_buildid(from_dir, sbuildid) < 0)
+ if (build_id_cache__kcore_buildid(from_dir, sbuildid, sizeof(sbuildid)) < 0)
return -1;
scnprintf(to_dir, sizeof(to_dir), "%s/%s/%s",
@@ -160,38 +172,46 @@ static int build_id_cache__add_kcore(const char *filename, bool force)
return 0;
}
-static int build_id_cache__add_file(const char *filename)
+static int build_id_cache__add_file(const char *filename, struct nsinfo *nsi)
{
char sbuild_id[SBUILD_ID_SIZE];
- u8 build_id[BUILD_ID_SIZE];
+ struct build_id bid = { .size = 0, };
int err;
+ struct nscookie nsc;
- if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
+ nsinfo__mountns_enter(nsi, &nsc);
+ err = filename__read_build_id(filename, &bid);
+ nsinfo__mountns_exit(&nsc);
+ if (err < 0) {
pr_debug("Couldn't read a build-id in %s\n", filename);
return -1;
}
- build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
- err = build_id_cache__add_s(sbuild_id, filename,
+ build_id__snprintf(&bid, sbuild_id, sizeof(sbuild_id));
+ err = build_id_cache__add_s(sbuild_id, filename, nsi,
false, false);
pr_debug("Adding %s %s: %s\n", sbuild_id, filename,
err ? "FAIL" : "Ok");
return err;
}
-static int build_id_cache__remove_file(const char *filename)
+static int build_id_cache__remove_file(const char *filename, struct nsinfo *nsi)
{
- u8 build_id[BUILD_ID_SIZE];
char sbuild_id[SBUILD_ID_SIZE];
+ struct build_id bid = { .size = 0, };
+ struct nscookie nsc;
int err;
- if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
+ nsinfo__mountns_enter(nsi, &nsc);
+ err = filename__read_build_id(filename, &bid);
+ nsinfo__mountns_exit(&nsc);
+ if (err < 0) {
pr_debug("Couldn't read a build-id in %s\n", filename);
return -1;
}
- build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
+ build_id__snprintf(&bid, sbuild_id, sizeof(sbuild_id));
err = build_id_cache__remove_s(sbuild_id);
pr_debug("Removing %s %s: %s\n", sbuild_id, filename,
err ? "FAIL" : "Ok");
@@ -199,13 +219,13 @@ static int build_id_cache__remove_file(const char *filename)
return err;
}
-static int build_id_cache__purge_path(const char *pathname)
+static int build_id_cache__purge_path(const char *pathname, struct nsinfo *nsi)
{
struct strlist *list;
struct str_node *pos;
int err;
- err = build_id_cache__list_build_ids(pathname, &list);
+ err = build_id_cache__list_build_ids(pathname, nsi, &list);
if (err)
goto out;
@@ -224,20 +244,49 @@ out:
return err;
}
+static int build_id_cache__purge_all(void)
+{
+ struct strlist *list;
+ struct str_node *pos;
+ int err = 0;
+ char *buf;
+
+ list = build_id_cache__list_all(false);
+ if (!list) {
+ pr_debug("Failed to get buildids: -%d\n", errno);
+ return -EINVAL;
+ }
+
+ strlist__for_each_entry(pos, list) {
+ buf = build_id_cache__origname(pos->s);
+ err = build_id_cache__remove_s(pos->s);
+ pr_debug("Removing %s (%s): %s\n", buf, pos->s,
+ err ? "FAIL" : "Ok");
+ free(buf);
+ if (err)
+ break;
+ }
+ strlist__delete(list);
+
+ pr_debug("Purged all: %s\n", err ? "FAIL" : "Ok");
+ return err;
+}
+
static bool dso__missing_buildid_cache(struct dso *dso, int parm __maybe_unused)
{
char filename[PATH_MAX];
- u8 build_id[BUILD_ID_SIZE];
+ struct build_id bid = { .size = 0, };
+
+ if (!dso__build_id_filename(dso, filename, sizeof(filename), false))
+ return true;
- if (dso__build_id_filename(dso, filename, sizeof(filename)) &&
- filename__read_build_id(filename, build_id,
- sizeof(build_id)) != sizeof(build_id)) {
+ if (filename__read_build_id(filename, &bid) == -1) {
if (errno == ENOENT)
return false;
pr_warning("Problems with %s file, consider removing it from the cache\n",
filename);
- } else if (memcmp(dso->build_id, build_id, sizeof(dso->build_id))) {
+ } else if (memcmp(dso__bid(dso)->data, bid.data, bid.size)) {
pr_warning("Problems with %s file, consider removing it from the cache\n",
filename);
}
@@ -251,24 +300,30 @@ static int build_id_cache__fprintf_missing(struct perf_session *session, FILE *f
return 0;
}
-static int build_id_cache__update_file(const char *filename)
+static int build_id_cache__update_file(const char *filename, struct nsinfo *nsi)
{
- u8 build_id[BUILD_ID_SIZE];
char sbuild_id[SBUILD_ID_SIZE];
+ struct build_id bid = { .size = 0, };
+ struct nscookie nsc;
- int err = 0;
+ int err;
- if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
+ nsinfo__mountns_enter(nsi, &nsc);
+ err = filename__read_build_id(filename, &bid);
+ nsinfo__mountns_exit(&nsc);
+ if (err < 0) {
pr_debug("Couldn't read a build-id in %s\n", filename);
return -1;
}
+ err = 0;
- build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
+ build_id__snprintf(&bid, sbuild_id, sizeof(sbuild_id));
if (build_id_cache__cached(sbuild_id))
err = build_id_cache__remove_s(sbuild_id);
if (!err)
- err = build_id_cache__add_s(sbuild_id, filename, false, false);
+ err = build_id_cache__add_s(sbuild_id, filename, nsi, false,
+ false);
pr_debug("Updating %s %s: %s\n", sbuild_id, filename,
err ? "FAIL" : "Ok");
@@ -276,24 +331,63 @@ static int build_id_cache__update_file(const char *filename)
return err;
}
+static int build_id_cache__show_all(void)
+{
+ struct strlist *bidlist;
+ struct str_node *nd;
+ char *buf;
+
+ bidlist = build_id_cache__list_all(true);
+ if (!bidlist) {
+ pr_debug("Failed to get buildids: -%d\n", errno);
+ return -1;
+ }
+ strlist__for_each_entry(nd, bidlist) {
+ buf = build_id_cache__origname(nd->s);
+ fprintf(stdout, "%s %s\n", nd->s, buf);
+ free(buf);
+ }
+ strlist__delete(bidlist);
+ return 0;
+}
+
+static int perf_buildid_cache_config(const char *var, const char *value, void *cb)
+{
+ struct perf_debuginfod *di = cb;
+
+ if (!strcmp(var, "buildid-cache.debuginfod")) {
+ di->urls = strdup(value);
+ if (!di->urls)
+ return -ENOMEM;
+ di->set = true;
+ }
+
+ return 0;
+}
+
int cmd_buildid_cache(int argc, const char **argv)
{
struct strlist *list;
struct str_node *pos;
- int ret = 0;
+ int ret, ns_id = -1;
bool force = false;
+ bool list_files = false;
+ bool opts_flag = false;
+ bool purge_all = false;
char const *add_name_list_str = NULL,
*remove_name_list_str = NULL,
*purge_name_list_str = NULL,
*missing_filename = NULL,
*update_name_list_str = NULL,
*kcore_filename = NULL;
+ struct perf_debuginfod debuginfod = { };
char sbuf[STRERR_BUFSIZE];
- struct perf_data_file file = {
+ struct perf_data data = {
.mode = PERF_DATA_MODE_READ,
};
struct perf_session *session = NULL;
+ struct nsinfo *nsi = NULL;
const struct option buildid_cache_options[] = {
OPT_STRING('a', "add", &add_name_list_str,
@@ -302,14 +396,21 @@ int cmd_buildid_cache(int argc, const char **argv)
"file", "kcore file to add"),
OPT_STRING('r', "remove", &remove_name_list_str, "file list",
"file(s) to remove"),
- OPT_STRING('p', "purge", &purge_name_list_str, "path list",
- "path(s) to remove (remove old caches too)"),
+ OPT_STRING('p', "purge", &purge_name_list_str, "file list",
+ "file(s) to remove (remove old caches too)"),
+ OPT_BOOLEAN('P', "purge-all", &purge_all, "purge all cached files"),
+ OPT_BOOLEAN('l', "list", &list_files, "list all cached files"),
OPT_STRING('M', "missing", &missing_filename, "file",
"to find missing build ids in the cache"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
OPT_STRING('u', "update", &update_name_list_str, "file list",
"file(s) to update"),
+ OPT_STRING_OPTARG_SET(0, "debuginfod", &debuginfod.urls,
+ &debuginfod.set, "debuginfod urls",
+ "Enable debuginfod data retrieval from DEBUGINFOD_URLS or specified urls",
+ "system"),
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
+ OPT_INTEGER(0, "target-ns", &ns_id, "target pid for namespace context"),
OPT_END()
};
const char * const buildid_cache_usage[] = {
@@ -317,33 +418,56 @@ int cmd_buildid_cache(int argc, const char **argv)
NULL
};
+ ret = perf_config(perf_buildid_cache_config, &debuginfod);
+ if (ret)
+ return ret;
+
argc = parse_options(argc, argv, buildid_cache_options,
buildid_cache_usage, 0);
- if (argc || (!add_name_list_str && !kcore_filename &&
- !remove_name_list_str && !purge_name_list_str &&
- !missing_filename && !update_name_list_str))
+ opts_flag = add_name_list_str || kcore_filename ||
+ remove_name_list_str || purge_name_list_str ||
+ missing_filename || update_name_list_str ||
+ purge_all;
+
+ if (argc || !(list_files || opts_flag))
usage_with_options(buildid_cache_usage, buildid_cache_options);
+ perf_debuginfod_setup(&debuginfod);
+
+ /* -l is exclusive. It can not be used with other options. */
+ if (list_files && opts_flag) {
+ usage_with_options_msg(buildid_cache_usage,
+ buildid_cache_options, "-l is exclusive.\n");
+ }
+
+ if (ns_id > 0)
+ nsi = nsinfo__new(ns_id);
+
if (missing_filename) {
- file.path = missing_filename;
- file.force = force;
+ data.path = missing_filename;
+ data.force = force;
- session = perf_session__new(&file, false, NULL);
- if (session == NULL)
- return -1;
+ session = perf_session__new(&data, NULL);
+ if (IS_ERR(session))
+ return PTR_ERR(session);
}
- if (symbol__init(session ? &session->header.env : NULL) < 0)
+ if (symbol__init(session ? perf_session__env(session) : NULL) < 0)
goto out;
setup_pager();
+ if (list_files) {
+ ret = build_id_cache__show_all();
+ goto out;
+ }
+
if (add_name_list_str) {
list = strlist__new(add_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
- if (build_id_cache__add_file(pos->s)) {
+ if (build_id_cache__add_file(pos->s, nsi)) {
if (errno == EEXIST) {
pr_debug("%s already in the cache\n",
pos->s);
@@ -361,7 +485,7 @@ int cmd_buildid_cache(int argc, const char **argv)
list = strlist__new(remove_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
- if (build_id_cache__remove_file(pos->s)) {
+ if (build_id_cache__remove_file(pos->s, nsi)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
@@ -379,7 +503,7 @@ int cmd_buildid_cache(int argc, const char **argv)
list = strlist__new(purge_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
- if (build_id_cache__purge_path(pos->s)) {
+ if (build_id_cache__purge_path(pos->s, nsi)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
@@ -393,6 +517,13 @@ int cmd_buildid_cache(int argc, const char **argv)
}
}
+ if (purge_all) {
+ if (build_id_cache__purge_all()) {
+ pr_warning("Couldn't remove some caches. Error: %s.\n",
+ str_error_r(errno, sbuf, sizeof(sbuf)));
+ }
+ }
+
if (missing_filename)
ret = build_id_cache__fprintf_missing(session, stdout);
@@ -400,7 +531,7 @@ int cmd_buildid_cache(int argc, const char **argv)
list = strlist__new(update_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
- if (build_id_cache__update_file(pos->s)) {
+ if (build_id_cache__update_file(pos->s, nsi)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
@@ -419,6 +550,7 @@ int cmd_buildid_cache(int argc, const char **argv)
out:
perf_session__delete(session);
+ nsinfo__zput(nsi);
return ret;
}
diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index 26f4e608207f..a91bbb34ac94 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -8,21 +8,59 @@
* Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
*/
#include "builtin.h"
-#include "perf.h"
#include "util/build-id.h"
-#include "util/cache.h"
#include "util/debug.h"
+#include "util/dso.h"
+#include "util/map.h"
+#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include "util/session.h"
#include "util/symbol.h"
#include "util/data.h"
+#include "util/util.h"
+#include <errno.h>
+#include <inttypes.h>
+#include <linux/err.h>
+
+static int buildid__map_cb(struct map *map, void *arg __maybe_unused)
+{
+ const struct dso *dso = map__dso(map);
+ char bid_buf[SBUILD_ID_SIZE];
+ const char *dso_long_name = dso__long_name(dso);
+ const char *dso_short_name = dso__short_name(dso);
+
+ memset(bid_buf, 0, sizeof(bid_buf));
+ if (dso__has_build_id(dso))
+ build_id__snprintf(dso__bid(dso), bid_buf, sizeof(bid_buf));
+ printf("%s %16" PRIx64 " %16" PRIx64, bid_buf, map__start(map), map__end(map));
+ if (dso_long_name != NULL)
+ printf(" %s", dso_long_name);
+ else if (dso_short_name != NULL)
+ printf(" %s", dso_short_name);
+
+ printf("\n");
+
+ return 0;
+}
+
+static void buildid__show_kernel_maps(void)
+{
+ struct perf_env host_env;
+ struct machine *machine;
+
+ perf_env__init(&host_env);
+ machine = machine__new_host(&host_env);
+ machine__for_each_kernel_map(machine, buildid__map_cb, NULL);
+ machine__delete(machine);
+ perf_env__exit(&host_env);
+}
static int sysfs__fprintf_build_id(FILE *fp)
{
char sbuild_id[SBUILD_ID_SIZE];
int ret;
- ret = sysfs__sprintf_build_id("/", sbuild_id);
+ ret = sysfs__snprintf_build_id("/", sbuild_id, sizeof(sbuild_id));
if (ret != sizeof(sbuild_id))
return ret < 0 ? ret : -EINVAL;
@@ -34,7 +72,7 @@ static int filename__fprintf_build_id(const char *name, FILE *fp)
char sbuild_id[SBUILD_ID_SIZE];
int ret;
- ret = filename__sprintf_build_id(name, sbuild_id);
+ ret = filename__snprintf_build_id(name, sbuild_id, sizeof(sbuild_id));
if (ret != sizeof(sbuild_id))
return ret < 0 ? ret : -EINVAL;
@@ -43,17 +81,18 @@ static int filename__fprintf_build_id(const char *name, FILE *fp)
static bool dso__skip_buildid(struct dso *dso, int with_hits)
{
- return with_hits && !dso->hit;
+ return with_hits && !dso__hit(dso);
}
static int perf_session__list_build_ids(bool force, bool with_hits)
{
struct perf_session *session;
- struct perf_data_file file = {
+ struct perf_data data = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
.force = force,
};
+ struct perf_tool build_id__mark_dso_hit_ops;
symbol__elf_init();
/*
@@ -62,23 +101,38 @@ static int perf_session__list_build_ids(bool force, bool with_hits)
if (filename__fprintf_build_id(input_name, stdout) > 0)
goto out;
- session = perf_session__new(&file, false, &build_id__mark_dso_hit_ops);
- if (session == NULL)
- return -1;
+ perf_tool__init(&build_id__mark_dso_hit_ops, /*ordered_events=*/true);
+ build_id__mark_dso_hit_ops.sample = build_id__mark_dso_hit;
+ build_id__mark_dso_hit_ops.mmap = perf_event__process_mmap;
+ build_id__mark_dso_hit_ops.mmap2 = perf_event__process_mmap2;
+ build_id__mark_dso_hit_ops.fork = perf_event__process_fork;
+ build_id__mark_dso_hit_ops.exit = perf_event__exit_del_thread;
+ build_id__mark_dso_hit_ops.attr = perf_event__process_attr;
+ build_id__mark_dso_hit_ops.build_id = perf_event__process_build_id;
+
+ session = perf_session__new(&data, &build_id__mark_dso_hit_ops);
+ if (IS_ERR(session))
+ return PTR_ERR(session);
/*
* We take all buildids when the file contains AUX area tracing data
* because we do not decode the trace because it would take too long.
*/
- if (!perf_data_file__is_pipe(&file) &&
+ if (!perf_data__is_pipe(&data) &&
perf_header__has_feat(&session->header, HEADER_AUXTRACE))
with_hits = false;
+ if (!perf_header__has_feat(&session->header, HEADER_BUILD_ID))
+ with_hits = true;
+
+ if (zstd_init(&(session->zstd_data), 0) < 0)
+ pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
+
/*
* in pipe-mode, the only way to get the buildids is to parse
* the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID
*/
- if (with_hits || perf_data_file__is_pipe(&file))
+ if (with_hits || perf_data__is_pipe(&data))
perf_session__process_events(session);
perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits);
@@ -90,6 +144,7 @@ out:
int cmd_buildid_list(int argc, const char **argv)
{
bool show_kernel = false;
+ bool show_kernel_maps = false;
bool with_hits = false;
bool force = false;
const struct option options[] = {
@@ -97,6 +152,8 @@ int cmd_buildid_list(int argc, const char **argv)
OPT_STRING('i', "input", &input_name, "file", "input file name"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"),
+ OPT_BOOLEAN('m', "kernel-maps", &show_kernel_maps,
+ "Show build id of current kernel + modules"),
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
OPT_END()
};
@@ -108,8 +165,12 @@ int cmd_buildid_list(int argc, const char **argv)
argc = parse_options(argc, argv, options, buildid_list_usage, 0);
setup_pager();
- if (show_kernel)
+ if (show_kernel) {
return !(sysfs__fprintf_build_id(stdout) > 0);
+ } else if (show_kernel_maps) {
+ buildid__show_kernel_maps();
+ return 0;
+ }
return perf_session__list_build_ids(force, with_hits);
}
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 70c2c773a2b8..d390ae4e3ec8 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* This is rewrite of original c2c tool introduced in here:
* http://lwn.net/Articles/588866/
@@ -9,26 +10,43 @@
* Dick Fowles <fowles@inreach.com>
* Joe Mario <jmario@redhat.com>
*/
+#include <errno.h>
+#include <inttypes.h>
#include <linux/compiler.h>
+#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/stringify.h>
+#include <linux/zalloc.h>
#include <asm/bug.h>
-#include "util.h"
+#include <sys/param.h>
#include "debug.h"
#include "builtin.h"
+#include <perf/cpumap.h>
+#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
+#include "map_symbol.h"
#include "mem-events.h"
#include "session.h"
#include "hist.h"
#include "sort.h"
#include "tool.h"
+#include "cacheline.h"
#include "data.h"
-#include "sort.h"
+#include "event.h"
#include "evlist.h"
#include "evsel.h"
-#include <asm/bug.h>
#include "ui/browsers/hists.h"
-#include "evlist.h"
+#include "thread.h"
+#include "mem2node.h"
+#include "mem-info.h"
+#include "symbol.h"
+#include "ui/ui.h"
+#include "ui/progress.h"
+#include "pmus.h"
+#include "string2.h"
+#include "util/util.h"
+#include "util/symbol.h"
+#include "util/annotate.h"
struct c2c_hists {
struct hists hists;
@@ -39,18 +57,27 @@ struct c2c_hists {
struct compute_stats {
struct stats lcl_hitm;
struct stats rmt_hitm;
+ struct stats lcl_peer;
+ struct stats rmt_peer;
struct stats load;
};
struct c2c_hist_entry {
struct c2c_hists *hists;
+ struct evsel *evsel;
struct c2c_stats stats;
unsigned long *cpuset;
+ unsigned long *nodeset;
struct c2c_stats *node_stats;
unsigned int cacheline_idx;
struct compute_stats cstats;
+ unsigned long paddr;
+ unsigned long paddr_cnt;
+ bool paddr_zero;
+ char *nodestr;
+
/*
* must be at the end,
* because of its callchain dynamic entry
@@ -58,11 +85,12 @@ struct c2c_hist_entry {
struct hist_entry he;
};
-static char const *coalesce_default = "pid,iaddr";
+static char const *coalesce_default = "iaddr";
struct perf_c2c {
struct perf_tool tool;
struct c2c_hists hists;
+ struct mem2node mem2node;
unsigned long **nodes;
int nodes_cnt;
@@ -75,9 +103,10 @@ struct perf_c2c {
bool use_stdio;
bool stats_only;
bool symbol_full;
+ bool stitch_lbr;
- /* HITM shared clines stats */
- struct c2c_stats hitm_stats;
+ /* Shared cache line stats */
+ struct c2c_stats shared_clines_stats;
int shared_clines;
int display;
@@ -89,16 +118,18 @@ struct perf_c2c {
};
enum {
- DISPLAY_LCL,
- DISPLAY_RMT,
- DISPLAY_TOT,
+ DISPLAY_LCL_HITM,
+ DISPLAY_RMT_HITM,
+ DISPLAY_TOT_HITM,
+ DISPLAY_SNP_PEER,
DISPLAY_MAX,
};
static const char *display_str[DISPLAY_MAX] = {
- [DISPLAY_LCL] = "Local",
- [DISPLAY_RMT] = "Remote",
- [DISPLAY_TOT] = "Total",
+ [DISPLAY_LCL_HITM] = "Local HITMs",
+ [DISPLAY_RMT_HITM] = "Remote HITMs",
+ [DISPLAY_TOT_HITM] = "Total HITMs",
+ [DISPLAY_SNP_PEER] = "Peer Snoop",
};
static const struct option c2c_options[] = {
@@ -116,19 +147,31 @@ static void *c2c_he_zalloc(size_t size)
if (!c2c_he)
return NULL;
- c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
+ c2c_he->cpuset = bitmap_zalloc(c2c.cpus_cnt);
if (!c2c_he->cpuset)
- return NULL;
+ goto out_free;
+
+ c2c_he->nodeset = bitmap_zalloc(c2c.nodes_cnt);
+ if (!c2c_he->nodeset)
+ goto out_free;
c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
if (!c2c_he->node_stats)
- return NULL;
+ goto out_free;
init_stats(&c2c_he->cstats.lcl_hitm);
init_stats(&c2c_he->cstats.rmt_hitm);
+ init_stats(&c2c_he->cstats.lcl_peer);
+ init_stats(&c2c_he->cstats.rmt_peer);
init_stats(&c2c_he->cstats.load);
return &c2c_he->he;
+
+out_free:
+ zfree(&c2c_he->nodeset);
+ zfree(&c2c_he->cpuset);
+ free(c2c_he);
+ return NULL;
}
static void c2c_he_free(void *he)
@@ -138,11 +181,13 @@ static void c2c_he_free(void *he)
c2c_he = container_of(he, struct c2c_hist_entry, he);
if (c2c_he->hists) {
hists__delete_entries(&c2c_he->hists->hists);
- free(c2c_he->hists);
+ zfree(&c2c_he->hists);
}
- free(c2c_he->cpuset);
- free(c2c_he->node_stats);
+ zfree(&c2c_he->cpuset);
+ zfree(&c2c_he->nodeset);
+ zfree(&c2c_he->nodestr);
+ zfree(&c2c_he->node_stats);
free(c2c_he);
}
@@ -153,12 +198,14 @@ static struct hist_entry_ops c2c_entry_ops = {
static int c2c_hists__init(struct c2c_hists *hists,
const char *sort,
- int nr_header_lines);
+ int nr_header_lines,
+ struct perf_env *env);
static struct c2c_hists*
he__get_c2c_hists(struct hist_entry *he,
const char *sort,
- int nr_header_lines)
+ int nr_header_lines,
+ struct perf_env *env)
{
struct c2c_hist_entry *c2c_he;
struct c2c_hists *hists;
@@ -172,7 +219,7 @@ he__get_c2c_hists(struct hist_entry *he,
if (!hists)
return NULL;
- ret = c2c_hists__init(hists, sort, nr_header_lines);
+ ret = c2c_hists__init(hists, sort, nr_header_lines, env);
if (ret) {
free(hists);
return NULL;
@@ -181,6 +228,12 @@ he__get_c2c_hists(struct hist_entry *he,
return hists;
}
+static void c2c_he__set_evsel(struct c2c_hist_entry *c2c_he,
+ struct evsel *evsel)
+{
+ c2c_he->evsel = evsel;
+}
+
static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
struct perf_sample *sample)
{
@@ -188,7 +241,29 @@ static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
"WARNING: no sample cpu value"))
return;
- set_bit(sample->cpu, c2c_he->cpuset);
+ __set_bit(sample->cpu, c2c_he->cpuset);
+}
+
+static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
+ struct perf_sample *sample)
+{
+ int node;
+
+ if (!sample->phys_addr) {
+ c2c_he->paddr_zero = true;
+ return;
+ }
+
+ node = mem2node__node(&c2c.mem2node, sample->phys_addr);
+ if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
+ return;
+
+ __set_bit(node, c2c_he->nodeset);
+
+ if (c2c_he->paddr != sample->phys_addr) {
+ c2c_he->paddr_cnt++;
+ c2c_he->paddr = sample->phys_addr;
+ }
}
static void compute_stats(struct c2c_hist_entry *c2c_he,
@@ -201,14 +276,45 @@ static void compute_stats(struct c2c_hist_entry *c2c_he,
update_stats(&cstats->rmt_hitm, weight);
else if (stats->lcl_hitm)
update_stats(&cstats->lcl_hitm, weight);
+ else if (stats->rmt_peer)
+ update_stats(&cstats->rmt_peer, weight);
+ else if (stats->lcl_peer)
+ update_stats(&cstats->lcl_peer, weight);
else if (stats->load)
update_stats(&cstats->load, weight);
}
-static int process_sample_event(struct perf_tool *tool __maybe_unused,
+/*
+ * Return true if annotation is possible. When list is NULL,
+ * it means that we are called at the c2c_browser level,
+ * in that case we allow annotation to be initialized. When list
+ * is non-NULL, it means that we are called at the cacheline_browser
+ * level, in that case we allow annotation only if use_browser
+ * is set and symbol information is available.
+ */
+static bool perf_c2c__has_annotation(struct perf_hpp_list *list)
+{
+ if (use_browser != 1)
+ return false;
+ return !list || list->sym;
+}
+
+static void perf_c2c__evsel_hists_inc_stats(struct evsel *evsel,
+ struct hist_entry *he,
+ struct perf_sample *sample)
+{
+ struct hists *evsel_hists = evsel__hists(evsel);
+
+ hists__inc_nr_samples(evsel_hists, he->filtered);
+ evsel_hists->stats.total_period += sample->period;
+ if (!he->filtered)
+ evsel_hists->stats.total_non_filtered_period += sample->period;
+}
+
+static int process_sample_event(const struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
struct c2c_hists *c2c_hists = &c2c.hists;
@@ -216,43 +322,58 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
struct c2c_stats stats = { .nr_entries = 0, };
struct hist_entry *he;
struct addr_location al;
- struct mem_info *mi, *mi_dup;
+ struct mem_info *mi = NULL;
+ struct callchain_cursor *cursor;
int ret;
+ addr_location__init(&al);
if (machine__resolve(machine, &al, sample) < 0) {
pr_debug("problem processing %d event, skipping it.\n",
event->header.type);
- return -1;
+ ret = -1;
+ goto out;
}
- ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
+ if (c2c.stitch_lbr)
+ thread__set_lbr_stitch_enable(al.thread, true);
+
+ cursor = get_tls_callchain_cursor();
+ ret = sample__resolve_callchain(sample, cursor, NULL,
evsel, &al, sysctl_perf_event_max_stack);
if (ret)
goto out;
mi = sample__resolve_mem(sample, &al);
- if (mi == NULL)
- return -ENOMEM;
-
- mi_dup = memdup(mi, sizeof(*mi));
- if (!mi_dup)
- goto free_mi;
+ if (mi == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
c2c_decode_stats(&stats, mi);
he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
- &al, NULL, NULL, mi,
+ &al, NULL, NULL, mi, NULL,
sample, true);
- if (he == NULL)
- goto free_mi_dup;
+ if (he == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
c2c_he = container_of(he, struct c2c_hist_entry, he);
c2c_add_stats(&c2c_he->stats, &stats);
c2c_add_stats(&c2c_hists->stats, &stats);
c2c_he__set_cpu(c2c_he, sample);
+ c2c_he__set_node(c2c_he, sample);
+ c2c_he__set_evsel(c2c_he, evsel);
hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
+
+ if (perf_c2c__has_annotation(NULL)) {
+ perf_c2c__evsel_hists_inc_stats(evsel, he, sample);
+ addr_map_symbol__inc_samples(mem_info__iaddr(mi), sample, evsel);
+ }
+
ret = hist_entry__append_callchain(he, sample);
if (!ret) {
@@ -267,21 +388,19 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
int node = c2c.cpu2node[cpu];
- mi = mi_dup;
-
- mi_dup = memdup(mi, sizeof(*mi));
- if (!mi_dup)
- goto free_mi;
-
- c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
- if (!c2c_hists)
- goto free_mi_dup;
+ c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2, machine->env);
+ if (!c2c_hists) {
+ ret = -ENOMEM;
+ goto out;
+ }
he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
- &al, NULL, NULL, mi,
+ &al, NULL, NULL, mi, NULL,
sample, true);
- if (he == NULL)
- goto free_mi_dup;
+ if (he == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
c2c_he = container_of(he, struct c2c_hist_entry, he);
c2c_add_stats(&c2c_he->stats, &stats);
@@ -291,37 +410,19 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
compute_stats(c2c_he, &stats, sample->weight);
c2c_he__set_cpu(c2c_he, sample);
+ c2c_he__set_node(c2c_he, sample);
+ c2c_he__set_evsel(c2c_he, evsel);
hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
ret = hist_entry__append_callchain(he, sample);
}
out:
- addr_location__put(&al);
+ mem_info__put(mi);
+ addr_location__exit(&al);
return ret;
-
-free_mi_dup:
- free(mi_dup);
-free_mi:
- free(mi);
- ret = -ENOMEM;
- goto out;
}
-static struct perf_c2c c2c = {
- .tool = {
- .sample = process_sample_event,
- .mmap = perf_event__process_mmap,
- .mmap2 = perf_event__process_mmap2,
- .comm = perf_event__process_comm,
- .exit = perf_event__process_exit,
- .fork = perf_event__process_fork,
- .lost = perf_event__process_lost,
- .ordered_events = true,
- .ordering_requires_timestamps = true,
- },
-};
-
static const char * const c2c_usage[] = {
"perf c2c {record|report}",
NULL
@@ -449,11 +550,36 @@ static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
char buf[20];
if (he->mem_info)
- addr = cl_address(he->mem_info->daddr.addr);
+ addr = cl_address(mem_info__daddr(he->mem_info)->addr, chk_double_cl);
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
}
+static int
+dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ struct c2c_hist_entry *c2c_he;
+ int width = c2c_width(fmt, hpp, he->hists);
+
+ c2c_he = container_of(he, struct c2c_hist_entry, he);
+ if (WARN_ON_ONCE(!c2c_he->nodestr))
+ return 0;
+
+ return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
+}
+
+static int
+dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ struct c2c_hist_entry *c2c_he;
+ int width = c2c_width(fmt, hpp, he->hists);
+
+ c2c_he = container_of(he, struct c2c_hist_entry, he);
+ return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
+}
+
static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
@@ -462,7 +588,7 @@ static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
char buf[20];
if (he->mem_info)
- addr = cl_offset(he->mem_info->daddr.al_addr);
+ addr = cl_offset(mem_info__daddr(he->mem_info)->al_addr, chk_double_cl);
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
}
@@ -474,9 +600,10 @@ offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
uint64_t l = 0, r = 0;
if (left->mem_info)
- l = cl_offset(left->mem_info->daddr.addr);
+ l = cl_offset(mem_info__daddr(left->mem_info)->addr, chk_double_cl);
+
if (right->mem_info)
- r = cl_offset(right->mem_info->daddr.addr);
+ r = cl_offset(mem_info__daddr(right->mem_info)->addr, chk_double_cl);
return (int64_t)(r - l);
}
@@ -490,7 +617,7 @@ iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
char buf[20];
if (he->mem_info)
- addr = he->mem_info->iaddr.addr;
+ addr = mem_info__iaddr(he->mem_info)->addr;
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
}
@@ -522,8 +649,8 @@ tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
{
struct c2c_hist_entry *c2c_left;
struct c2c_hist_entry *c2c_right;
- unsigned int tot_hitm_left;
- unsigned int tot_hitm_right;
+ uint64_t tot_hitm_left;
+ uint64_t tot_hitm_right;
c2c_left = container_of(left, struct c2c_hist_entry, he);
c2c_right = container_of(right, struct c2c_hist_entry, he);
@@ -556,7 +683,8 @@ __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
\
c2c_left = container_of(left, struct c2c_hist_entry, he); \
c2c_right = container_of(right, struct c2c_hist_entry, he); \
- return c2c_left->stats.__f - c2c_right->stats.__f; \
+ return (uint64_t) c2c_left->stats.__f - \
+ (uint64_t) c2c_right->stats.__f; \
}
#define STAT_FN(__f) \
@@ -565,74 +693,48 @@ __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
STAT_FN(rmt_hitm)
STAT_FN(lcl_hitm)
+STAT_FN(rmt_peer)
+STAT_FN(lcl_peer)
+STAT_FN(tot_peer)
STAT_FN(store)
STAT_FN(st_l1hit)
STAT_FN(st_l1miss)
+STAT_FN(st_na)
STAT_FN(ld_fbhit)
STAT_FN(ld_l1hit)
STAT_FN(ld_l2hit)
STAT_FN(ld_llchit)
STAT_FN(rmt_hit)
-static uint64_t llc_miss(struct c2c_stats *stats)
+static uint64_t get_load_llc_misses(struct c2c_stats *stats)
{
- uint64_t llcmiss;
-
- llcmiss = stats->lcl_dram +
- stats->rmt_dram +
- stats->rmt_hitm +
- stats->rmt_hit;
-
- return llcmiss;
+ return stats->lcl_dram +
+ stats->rmt_dram +
+ stats->rmt_hitm +
+ stats->rmt_hit;
}
-static int
-ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
+static uint64_t get_load_cache_hits(struct c2c_stats *stats)
{
- struct c2c_hist_entry *c2c_he;
- int width = c2c_width(fmt, hpp, he->hists);
-
- c2c_he = container_of(he, struct c2c_hist_entry, he);
-
- return scnprintf(hpp->buf, hpp->size, "%*lu", width,
- llc_miss(&c2c_he->stats));
+ return stats->ld_fbhit +
+ stats->ld_l1hit +
+ stats->ld_l2hit +
+ stats->ld_llchit +
+ stats->lcl_hitm;
}
-static int64_t
-ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
+static uint64_t get_stores(struct c2c_stats *stats)
{
- struct c2c_hist_entry *c2c_left;
- struct c2c_hist_entry *c2c_right;
-
- c2c_left = container_of(left, struct c2c_hist_entry, he);
- c2c_right = container_of(right, struct c2c_hist_entry, he);
-
- return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
+ return stats->st_l1hit +
+ stats->st_l1miss +
+ stats->st_na;
}
static uint64_t total_records(struct c2c_stats *stats)
{
- uint64_t lclmiss, ldcnt, total;
-
- lclmiss = stats->lcl_dram +
- stats->rmt_dram +
- stats->rmt_hitm +
- stats->rmt_hit;
-
- ldcnt = lclmiss +
- stats->ld_fbhit +
- stats->ld_l1hit +
- stats->ld_l2hit +
- stats->ld_llchit +
- stats->lcl_hitm;
-
- total = ldcnt +
- stats->st_l1hit +
- stats->st_l1miss;
-
- return total;
+ return get_load_llc_misses(stats) +
+ get_load_cache_hits(stats) +
+ get_stores(stats);
}
static int
@@ -669,21 +771,8 @@ tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
static uint64_t total_loads(struct c2c_stats *stats)
{
- uint64_t lclmiss, ldcnt;
-
- lclmiss = stats->lcl_dram +
- stats->rmt_dram +
- stats->rmt_hitm +
- stats->rmt_hit;
-
- ldcnt = lclmiss +
- stats->ld_fbhit +
- stats->ld_l1hit +
- stats->ld_l2hit +
- stats->ld_llchit +
- stats->lcl_hitm;
-
- return ldcnt;
+ return get_load_llc_misses(stats) +
+ get_load_cache_hits(stats);
}
static int
@@ -738,7 +827,7 @@ percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
}
-static double percent_hitm(struct c2c_hist_entry *c2c_he)
+static double percent_costly_snoop(struct c2c_hist_entry *c2c_he)
{
struct c2c_hists *hists;
struct c2c_stats *stats;
@@ -751,17 +840,22 @@ static double percent_hitm(struct c2c_hist_entry *c2c_he)
total = &hists->stats;
switch (c2c.display) {
- case DISPLAY_RMT:
+ case DISPLAY_RMT_HITM:
st = stats->rmt_hitm;
tot = total->rmt_hitm;
break;
- case DISPLAY_LCL:
+ case DISPLAY_LCL_HITM:
st = stats->lcl_hitm;
tot = total->lcl_hitm;
break;
- case DISPLAY_TOT:
+ case DISPLAY_TOT_HITM:
st = stats->tot_hitm;
tot = total->tot_hitm;
+ break;
+ case DISPLAY_SNP_PEER:
+ st = stats->tot_peer;
+ tot = total->tot_peer;
+ break;
default:
break;
}
@@ -778,8 +872,8 @@ static double percent_hitm(struct c2c_hist_entry *c2c_he)
})
static int
-percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
+percent_costly_snoop_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
int width = c2c_width(fmt, hpp, he->hists);
@@ -787,20 +881,20 @@ percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
double per;
c2c_he = container_of(he, struct c2c_hist_entry, he);
- per = percent_hitm(c2c_he);
+ per = percent_costly_snoop(c2c_he);
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
}
static int
-percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
+percent_costly_snoop_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
{
- return percent_color(fmt, hpp, he, percent_hitm);
+ return percent_color(fmt, hpp, he, percent_costly_snoop);
}
static int64_t
-percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
+percent_costly_snoop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *left, struct hist_entry *right)
{
struct c2c_hist_entry *c2c_left;
struct c2c_hist_entry *c2c_right;
@@ -810,8 +904,8 @@ percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
c2c_left = container_of(left, struct c2c_hist_entry, he);
c2c_right = container_of(right, struct c2c_hist_entry, he);
- per_left = percent_hitm(c2c_left);
- per_right = percent_hitm(c2c_right);
+ per_left = percent_costly_snoop(c2c_left);
+ per_right = percent_costly_snoop(c2c_right);
return per_left - per_right;
}
@@ -832,7 +926,7 @@ static struct c2c_stats *total_stats(struct hist_entry *he)
return &hists->stats;
}
-static double percent(int st, int tot)
+static double percent(u32 st, u32 tot)
{
return tot ? 100. * (double) st / (double) tot : 0;
}
@@ -850,8 +944,11 @@ static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
PERCENT_FN(rmt_hitm)
PERCENT_FN(lcl_hitm)
+PERCENT_FN(rmt_peer)
+PERCENT_FN(lcl_peer)
PERCENT_FN(st_l1hit)
PERCENT_FN(st_l1miss)
+PERCENT_FN(st_na)
static int
percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
@@ -878,8 +975,8 @@ percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
double per_left;
double per_right;
- per_left = PERCENT(left, lcl_hitm);
- per_right = PERCENT(right, lcl_hitm);
+ per_left = PERCENT(left, rmt_hitm);
+ per_right = PERCENT(right, rmt_hitm);
return per_left - per_right;
}
@@ -916,6 +1013,68 @@ percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
}
static int
+percent_lcl_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ int width = c2c_width(fmt, hpp, he->hists);
+ double per = PERCENT(he, lcl_peer);
+ char buf[10];
+
+ return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int
+percent_lcl_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ return percent_color(fmt, hpp, he, percent_lcl_peer);
+}
+
+static int64_t
+percent_lcl_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *left, struct hist_entry *right)
+{
+ double per_left;
+ double per_right;
+
+ per_left = PERCENT(left, lcl_peer);
+ per_right = PERCENT(right, lcl_peer);
+
+ return per_left - per_right;
+}
+
+static int
+percent_rmt_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ int width = c2c_width(fmt, hpp, he->hists);
+ double per = PERCENT(he, rmt_peer);
+ char buf[10];
+
+ return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int
+percent_rmt_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ return percent_color(fmt, hpp, he, percent_rmt_peer);
+}
+
+static int64_t
+percent_rmt_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *left, struct hist_entry *right)
+{
+ double per_left;
+ double per_right;
+
+ per_left = PERCENT(left, rmt_peer);
+ per_right = PERCENT(right, rmt_peer);
+
+ return per_left - per_right;
+}
+
+static int
percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
@@ -977,6 +1136,37 @@ percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
return per_left - per_right;
}
+static int
+percent_stores_na_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ int width = c2c_width(fmt, hpp, he->hists);
+ double per = PERCENT(he, st_na);
+ char buf[10];
+
+ return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int
+percent_stores_na_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ return percent_color(fmt, hpp, he, percent_st_na);
+}
+
+static int64_t
+percent_stores_na_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *left, struct hist_entry *right)
+{
+ double per_left;
+ double per_right;
+
+ per_left = PERCENT(left, st_na);
+ per_right = PERCENT(right, st_na);
+
+ return per_left - per_right;
+}
+
STAT_FN(lcl_dram)
STAT_FN(rmt_dram)
@@ -986,14 +1176,14 @@ pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
{
int width = c2c_width(fmt, hpp, he->hists);
- return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
+ return scnprintf(hpp->buf, hpp->size, "%*d", width, thread__pid(he->thread));
}
static int64_t
pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
- return left->thread->pid_ - right->thread->pid_;
+ return thread__pid(left->thread) - thread__pid(right->thread);
}
static int64_t
@@ -1004,6 +1194,19 @@ empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
return 0;
}
+static int display_metrics(struct perf_hpp *hpp, u32 val, u32 sum)
+{
+ int ret;
+
+ if (sum != 0)
+ ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",
+ percent(val, sum));
+ else
+ ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");
+
+ return ret;
+}
+
static int
node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
struct hist_entry *he)
@@ -1021,7 +1224,7 @@ node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
bitmap_zero(set, c2c.cpus_cnt);
bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
- if (!bitmap_weight(set, c2c.cpus_cnt)) {
+ if (bitmap_empty(set, c2c.cpus_cnt)) {
if (c2c.node_info == 1) {
ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
advance_hpp(hpp, ret);
@@ -1041,35 +1244,33 @@ node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
break;
case 1:
{
- int num = bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt);
+ int num = bitmap_weight(set, c2c.cpus_cnt);
struct c2c_stats *stats = &c2c_he->node_stats[node];
ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
advance_hpp(hpp, ret);
- #define DISPLAY_HITM(__h) \
- if (c2c_he->stats.__h> 0) { \
- ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ", \
- percent(stats->__h, c2c_he->stats.__h));\
- } else { \
- ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a"); \
- }
-
switch (c2c.display) {
- case DISPLAY_RMT:
- DISPLAY_HITM(rmt_hitm);
+ case DISPLAY_RMT_HITM:
+ ret = display_metrics(hpp, stats->rmt_hitm,
+ c2c_he->stats.rmt_hitm);
break;
- case DISPLAY_LCL:
- DISPLAY_HITM(lcl_hitm);
+ case DISPLAY_LCL_HITM:
+ ret = display_metrics(hpp, stats->lcl_hitm,
+ c2c_he->stats.lcl_hitm);
+ break;
+ case DISPLAY_TOT_HITM:
+ ret = display_metrics(hpp, stats->tot_hitm,
+ c2c_he->stats.tot_hitm);
+ break;
+ case DISPLAY_SNP_PEER:
+ ret = display_metrics(hpp, stats->tot_peer,
+ c2c_he->stats.tot_peer);
break;
- case DISPLAY_TOT:
- DISPLAY_HITM(tot_hitm);
default:
break;
}
- #undef DISPLAY_HITM
-
advance_hpp(hpp, ret);
if (c2c_he->stats.store > 0) {
@@ -1125,6 +1326,8 @@ __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he) \
MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
MEAN_ENTRY(mean_load_entry, load);
+MEAN_ENTRY(mean_rmt_peer_entry, rmt_peer);
+MEAN_ENTRY(mean_lcl_peer_entry, lcl_peer);
static int
cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
@@ -1199,23 +1402,47 @@ cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
}
static struct c2c_dimension dim_dcacheline = {
- .header = HEADER_LOW("Cacheline"),
+ .header = HEADER_SPAN("--- Cacheline ----", "Address", 2),
.name = "dcacheline",
.cmp = dcacheline_cmp,
.entry = dcacheline_entry,
.width = 18,
};
-static struct c2c_header header_offset_tui = HEADER_LOW("Off");
+static struct c2c_dimension dim_dcacheline_node = {
+ .header = HEADER_LOW("Node"),
+ .name = "dcacheline_node",
+ .cmp = empty_cmp,
+ .entry = dcacheline_node_entry,
+ .width = 4,
+};
+
+static struct c2c_dimension dim_dcacheline_count = {
+ .header = HEADER_LOW("PA cnt"),
+ .name = "dcacheline_count",
+ .cmp = empty_cmp,
+ .entry = dcacheline_node_count,
+ .width = 6,
+};
+
+static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
static struct c2c_dimension dim_offset = {
- .header = HEADER_BOTH("Data address", "Offset"),
+ .header = HEADER_SPAN("--- Data address -", "Offset", 2),
.name = "offset",
.cmp = offset_cmp,
.entry = offset_entry,
.width = 18,
};
+static struct c2c_dimension dim_offset_node = {
+ .header = HEADER_LOW("Node"),
+ .name = "offset_node",
+ .cmp = empty_cmp,
+ .entry = dcacheline_node_entry,
+ .width = 4,
+};
+
static struct c2c_dimension dim_iaddr = {
.header = HEADER_LOW("Code address"),
.name = "iaddr",
@@ -1225,7 +1452,7 @@ static struct c2c_dimension dim_iaddr = {
};
static struct c2c_dimension dim_tot_hitm = {
- .header = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
+ .header = HEADER_SPAN("------- Load Hitm -------", "Total", 2),
.name = "tot_hitm",
.cmp = tot_hitm_cmp,
.entry = tot_hitm_entry,
@@ -1233,7 +1460,7 @@ static struct c2c_dimension dim_tot_hitm = {
};
static struct c2c_dimension dim_lcl_hitm = {
- .header = HEADER_SPAN_LOW("Lcl"),
+ .header = HEADER_SPAN_LOW("LclHitm"),
.name = "lcl_hitm",
.cmp = lcl_hitm_cmp,
.entry = lcl_hitm_entry,
@@ -1241,13 +1468,37 @@ static struct c2c_dimension dim_lcl_hitm = {
};
static struct c2c_dimension dim_rmt_hitm = {
- .header = HEADER_SPAN_LOW("Rmt"),
+ .header = HEADER_SPAN_LOW("RmtHitm"),
.name = "rmt_hitm",
.cmp = rmt_hitm_cmp,
.entry = rmt_hitm_entry,
.width = 7,
};
+static struct c2c_dimension dim_tot_peer = {
+ .header = HEADER_SPAN("------- Load Peer -------", "Total", 2),
+ .name = "tot_peer",
+ .cmp = tot_peer_cmp,
+ .entry = tot_peer_entry,
+ .width = 7,
+};
+
+static struct c2c_dimension dim_lcl_peer = {
+ .header = HEADER_SPAN_LOW("Local"),
+ .name = "lcl_peer",
+ .cmp = lcl_peer_cmp,
+ .entry = lcl_peer_entry,
+ .width = 7,
+};
+
+static struct c2c_dimension dim_rmt_peer = {
+ .header = HEADER_SPAN_LOW("Remote"),
+ .name = "rmt_peer",
+ .cmp = rmt_peer_cmp,
+ .entry = rmt_peer_entry,
+ .width = 7,
+};
+
static struct c2c_dimension dim_cl_rmt_hitm = {
.header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
.name = "cl_rmt_hitm",
@@ -1264,16 +1515,32 @@ static struct c2c_dimension dim_cl_lcl_hitm = {
.width = 7,
};
-static struct c2c_dimension dim_stores = {
- .header = HEADER_SPAN("---- Store Reference ----", "Total", 2),
- .name = "stores",
+static struct c2c_dimension dim_cl_rmt_peer = {
+ .header = HEADER_SPAN("----- Peer -----", "Rmt", 1),
+ .name = "cl_rmt_peer",
+ .cmp = rmt_peer_cmp,
+ .entry = rmt_peer_entry,
+ .width = 7,
+};
+
+static struct c2c_dimension dim_cl_lcl_peer = {
+ .header = HEADER_SPAN_LOW("Lcl"),
+ .name = "cl_lcl_peer",
+ .cmp = lcl_peer_cmp,
+ .entry = lcl_peer_entry,
+ .width = 7,
+};
+
+static struct c2c_dimension dim_tot_stores = {
+ .header = HEADER_BOTH("Total", "Stores"),
+ .name = "tot_stores",
.cmp = store_cmp,
.entry = store_entry,
.width = 7,
};
static struct c2c_dimension dim_stores_l1hit = {
- .header = HEADER_SPAN_LOW("L1Hit"),
+ .header = HEADER_SPAN("--------- Stores --------", "L1Hit", 2),
.name = "stores_l1hit",
.cmp = st_l1hit_cmp,
.entry = st_l1hit_entry,
@@ -1288,8 +1555,16 @@ static struct c2c_dimension dim_stores_l1miss = {
.width = 7,
};
+static struct c2c_dimension dim_stores_na = {
+ .header = HEADER_SPAN_LOW("N/A"),
+ .name = "stores_na",
+ .cmp = st_na_cmp,
+ .entry = st_na_entry,
+ .width = 7,
+};
+
static struct c2c_dimension dim_cl_stores_l1hit = {
- .header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
+ .header = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
.name = "cl_stores_l1hit",
.cmp = st_l1hit_cmp,
.entry = st_l1hit_entry,
@@ -1304,6 +1579,14 @@ static struct c2c_dimension dim_cl_stores_l1miss = {
.width = 7,
};
+static struct c2c_dimension dim_cl_stores_na = {
+ .header = HEADER_SPAN_LOW("N/A"),
+ .name = "cl_stores_na",
+ .cmp = st_na_cmp,
+ .entry = st_na_entry,
+ .width = 7,
+};
+
static struct c2c_dimension dim_ld_fbhit = {
.header = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
.name = "ld_fbhit",
@@ -1329,7 +1612,7 @@ static struct c2c_dimension dim_ld_l2hit = {
};
static struct c2c_dimension dim_ld_llchit = {
- .header = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
+ .header = HEADER_SPAN("- LLC Load Hit --", "LclHit", 1),
.name = "ld_lclhit",
.cmp = ld_llchit_cmp,
.entry = ld_llchit_entry,
@@ -1337,21 +1620,13 @@ static struct c2c_dimension dim_ld_llchit = {
};
static struct c2c_dimension dim_ld_rmthit = {
- .header = HEADER_SPAN_LOW("Rmt"),
+ .header = HEADER_SPAN("- RMT Load Hit --", "RmtHit", 1),
.name = "ld_rmthit",
.cmp = rmt_hit_cmp,
.entry = rmt_hit_entry,
.width = 8,
};
-static struct c2c_dimension dim_ld_llcmiss = {
- .header = HEADER_BOTH("LLC", "Ld Miss"),
- .name = "ld_llcmiss",
- .cmp = ld_llcmiss_cmp,
- .entry = ld_llcmiss_entry,
- .width = 7,
-};
-
static struct c2c_dimension dim_tot_recs = {
.header = HEADER_BOTH("Total", "records"),
.name = "tot_recs",
@@ -1368,22 +1643,23 @@ static struct c2c_dimension dim_tot_loads = {
.width = 7,
};
-static struct c2c_header percent_hitm_header[] = {
- [DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
- [DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
- [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
+static struct c2c_header percent_costly_snoop_header[] = {
+ [DISPLAY_LCL_HITM] = HEADER_BOTH("Lcl", "Hitm"),
+ [DISPLAY_RMT_HITM] = HEADER_BOTH("Rmt", "Hitm"),
+ [DISPLAY_TOT_HITM] = HEADER_BOTH("Tot", "Hitm"),
+ [DISPLAY_SNP_PEER] = HEADER_BOTH("Peer", "Snoop"),
};
-static struct c2c_dimension dim_percent_hitm = {
- .name = "percent_hitm",
- .cmp = percent_hitm_cmp,
- .entry = percent_hitm_entry,
- .color = percent_hitm_color,
+static struct c2c_dimension dim_percent_costly_snoop = {
+ .name = "percent_costly_snoop",
+ .cmp = percent_costly_snoop_cmp,
+ .entry = percent_costly_snoop_entry,
+ .color = percent_costly_snoop_color,
.width = 7,
};
static struct c2c_dimension dim_percent_rmt_hitm = {
- .header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
+ .header = HEADER_SPAN("----- HITM -----", "RmtHitm", 1),
.name = "percent_rmt_hitm",
.cmp = percent_rmt_hitm_cmp,
.entry = percent_rmt_hitm_entry,
@@ -1392,7 +1668,7 @@ static struct c2c_dimension dim_percent_rmt_hitm = {
};
static struct c2c_dimension dim_percent_lcl_hitm = {
- .header = HEADER_SPAN_LOW("Lcl"),
+ .header = HEADER_SPAN_LOW("LclHitm"),
.name = "percent_lcl_hitm",
.cmp = percent_lcl_hitm_cmp,
.entry = percent_lcl_hitm_entry,
@@ -1400,8 +1676,26 @@ static struct c2c_dimension dim_percent_lcl_hitm = {
.width = 7,
};
+static struct c2c_dimension dim_percent_rmt_peer = {
+ .header = HEADER_SPAN("-- Peer Snoop --", "Rmt", 1),
+ .name = "percent_rmt_peer",
+ .cmp = percent_rmt_peer_cmp,
+ .entry = percent_rmt_peer_entry,
+ .color = percent_rmt_peer_color,
+ .width = 7,
+};
+
+static struct c2c_dimension dim_percent_lcl_peer = {
+ .header = HEADER_SPAN_LOW("Lcl"),
+ .name = "percent_lcl_peer",
+ .cmp = percent_lcl_peer_cmp,
+ .entry = percent_lcl_peer_entry,
+ .color = percent_lcl_peer_color,
+ .width = 7,
+};
+
static struct c2c_dimension dim_percent_stores_l1hit = {
- .header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
+ .header = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
.name = "percent_stores_l1hit",
.cmp = percent_stores_l1hit_cmp,
.entry = percent_stores_l1hit_entry,
@@ -1418,6 +1712,15 @@ static struct c2c_dimension dim_percent_stores_l1miss = {
.width = 7,
};
+static struct c2c_dimension dim_percent_stores_na = {
+ .header = HEADER_SPAN_LOW("N/A"),
+ .name = "percent_stores_na",
+ .cmp = percent_stores_na_cmp,
+ .entry = percent_stores_na_entry,
+ .color = percent_stores_na_color,
+ .width = 7,
+};
+
static struct c2c_dimension dim_dram_lcl = {
.header = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
.name = "dram_lcl",
@@ -1459,12 +1762,6 @@ static struct c2c_dimension dim_dso = {
.se = &sort_dso,
};
-static struct c2c_header header_node[3] = {
- HEADER_LOW("Node"),
- HEADER_LOW("Node{cpus %hitms %stores}"),
- HEADER_LOW("Node{cpu list}"),
-};
-
static struct c2c_dimension dim_node = {
.name = "node",
.cmp = empty_cmp,
@@ -1496,6 +1793,22 @@ static struct c2c_dimension dim_mean_load = {
.width = 8,
};
+static struct c2c_dimension dim_mean_rmt_peer = {
+ .header = HEADER_SPAN("---------- cycles ----------", "rmt peer", 2),
+ .name = "mean_rmt_peer",
+ .cmp = empty_cmp,
+ .entry = mean_rmt_peer_entry,
+ .width = 8,
+};
+
+static struct c2c_dimension dim_mean_lcl_peer = {
+ .header = HEADER_SPAN_LOW("lcl peer"),
+ .name = "mean_lcl_peer",
+ .cmp = empty_cmp,
+ .entry = mean_lcl_peer_entry,
+ .width = 8,
+};
+
static struct c2c_dimension dim_cpucnt = {
.header = HEADER_BOTH("cpu", "cnt"),
.name = "cpucnt",
@@ -1535,31 +1848,43 @@ static struct c2c_dimension dim_dcacheline_num_empty = {
static struct c2c_dimension *dimensions[] = {
&dim_dcacheline,
+ &dim_dcacheline_node,
+ &dim_dcacheline_count,
&dim_offset,
+ &dim_offset_node,
&dim_iaddr,
&dim_tot_hitm,
&dim_lcl_hitm,
&dim_rmt_hitm,
+ &dim_tot_peer,
+ &dim_lcl_peer,
+ &dim_rmt_peer,
&dim_cl_lcl_hitm,
&dim_cl_rmt_hitm,
- &dim_stores,
+ &dim_cl_lcl_peer,
+ &dim_cl_rmt_peer,
+ &dim_tot_stores,
&dim_stores_l1hit,
&dim_stores_l1miss,
+ &dim_stores_na,
&dim_cl_stores_l1hit,
&dim_cl_stores_l1miss,
+ &dim_cl_stores_na,
&dim_ld_fbhit,
&dim_ld_l1hit,
&dim_ld_l2hit,
&dim_ld_llchit,
&dim_ld_rmthit,
- &dim_ld_llcmiss,
&dim_tot_recs,
&dim_tot_loads,
- &dim_percent_hitm,
+ &dim_percent_costly_snoop,
&dim_percent_rmt_hitm,
&dim_percent_lcl_hitm,
+ &dim_percent_rmt_peer,
+ &dim_percent_lcl_peer,
&dim_percent_stores_l1hit,
&dim_percent_stores_l1miss,
+ &dim_percent_stores_na,
&dim_dram_lcl,
&dim_dram_rmt,
&dim_pid,
@@ -1569,6 +1894,8 @@ static struct c2c_dimension *dimensions[] = {
&dim_node,
&dim_mean_rmt,
&dim_mean_lcl,
+ &dim_mean_rmt_peer,
+ &dim_mean_lcl_peer,
&dim_mean_load,
&dim_cpucnt,
&dim_srcline,
@@ -1603,7 +1930,7 @@ static struct c2c_dimension *get_dimension(const char *name)
if (!strcmp(dim->name, name))
return dim;
- };
+ }
return NULL;
}
@@ -1677,33 +2004,38 @@ static struct c2c_fmt *get_format(const char *name)
return c2c_fmt;
}
-static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
+static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name,
+ struct perf_env *env __maybe_unused)
{
struct c2c_fmt *c2c_fmt = get_format(name);
+ int level = 0;
if (!c2c_fmt) {
reset_dimensions();
- return output_field_add(hpp_list, name);
+ return output_field_add(hpp_list, name, &level);
}
perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
return 0;
}
-static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
+static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name, struct perf_env *env)
{
struct c2c_fmt *c2c_fmt = get_format(name);
struct c2c_dimension *dim;
if (!c2c_fmt) {
reset_dimensions();
- return sort_dimension__add(hpp_list, name, NULL, 0);
+ return sort_dimension__add(hpp_list, name, /*evlist=*/NULL, env, /*level=*/0);
}
dim = c2c_fmt->dim;
if (dim == &dim_dso)
hpp_list->dso = 1;
+ if (dim == &dim_symbol || dim == &dim_iaddr)
+ hpp_list->sym = 1;
+
perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
return 0;
}
@@ -1718,12 +2050,12 @@ static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
\
for (tok = strtok_r((char *)_list, ", ", &tmp); \
tok; tok = strtok_r(NULL, ", ", &tmp)) { \
- ret = _fn(hpp_list, tok); \
+ ret = _fn(hpp_list, tok, env); \
if (ret == -EINVAL) { \
- error("Invalid --fields key: `%s'", tok); \
+ pr_err("Invalid --fields key: `%s'", tok); \
break; \
} else if (ret == -ESRCH) { \
- error("Unknown --fields key: `%s'", tok); \
+ pr_err("Unknown --fields key: `%s'", tok); \
break; \
} \
} \
@@ -1731,7 +2063,8 @@ static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
static int hpp_list__parse(struct perf_hpp_list *hpp_list,
const char *output_,
- const char *sort_)
+ const char *sort_,
+ struct perf_env *env)
{
char *output = output_ ? strdup(output_) : NULL;
char *sort = sort_ ? strdup(sort_) : NULL;
@@ -1744,7 +2077,7 @@ static int hpp_list__parse(struct perf_hpp_list *hpp_list,
perf_hpp__setup_output_field(hpp_list);
/*
- * We dont need other sorting keys other than those
+ * We don't need other sorting keys other than those
* we already specified. It also really slows down
* the processing a lot with big number of output
* fields, so switching this off for c2c.
@@ -1762,7 +2095,8 @@ static int hpp_list__parse(struct perf_hpp_list *hpp_list,
static int c2c_hists__init(struct c2c_hists *hists,
const char *sort,
- int nr_header_lines)
+ int nr_header_lines,
+ struct perf_env *env)
{
__hists__init(&hists->hists, &hists->list);
@@ -1776,106 +2110,165 @@ static int c2c_hists__init(struct c2c_hists *hists,
/* Overload number of header lines.*/
hists->list.nr_header_lines = nr_header_lines;
- return hpp_list__parse(&hists->list, NULL, sort);
+ return hpp_list__parse(&hists->list, /*output=*/NULL, sort, env);
}
static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
const char *output,
- const char *sort)
+ const char *sort,
+ struct perf_env *env)
{
perf_hpp__reset_output_field(&c2c_hists->list);
- return hpp_list__parse(&c2c_hists->list, output, sort);
+ return hpp_list__parse(&c2c_hists->list, output, sort, env);
}
-#define DISPLAY_LINE_LIMIT 0.0005
+#define DISPLAY_LINE_LIMIT 0.001
+
+static u8 filter_display(u32 val, u32 sum)
+{
+ if (sum == 0 || ((double)val / sum) < DISPLAY_LINE_LIMIT)
+ return HIST_FILTER__C2C;
+
+ return 0;
+}
static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
{
struct c2c_hist_entry *c2c_he;
- double ld_dist;
if (c2c.show_all)
return true;
c2c_he = container_of(he, struct c2c_hist_entry, he);
-#define FILTER_HITM(__h) \
- if (stats->__h) { \
- ld_dist = ((double)c2c_he->stats.__h / stats->__h); \
- if (ld_dist < DISPLAY_LINE_LIMIT) \
- he->filtered = HIST_FILTER__C2C; \
- } else { \
- he->filtered = HIST_FILTER__C2C; \
- }
-
switch (c2c.display) {
- case DISPLAY_LCL:
- FILTER_HITM(lcl_hitm);
+ case DISPLAY_LCL_HITM:
+ he->filtered = filter_display(c2c_he->stats.lcl_hitm,
+ stats->lcl_hitm);
+ break;
+ case DISPLAY_RMT_HITM:
+ he->filtered = filter_display(c2c_he->stats.rmt_hitm,
+ stats->rmt_hitm);
break;
- case DISPLAY_RMT:
- FILTER_HITM(rmt_hitm);
+ case DISPLAY_TOT_HITM:
+ he->filtered = filter_display(c2c_he->stats.tot_hitm,
+ stats->tot_hitm);
+ break;
+ case DISPLAY_SNP_PEER:
+ he->filtered = filter_display(c2c_he->stats.tot_peer,
+ stats->tot_peer);
break;
- case DISPLAY_TOT:
- FILTER_HITM(tot_hitm);
default:
break;
- };
-
-#undef FILTER_HITM
+ }
return he->filtered == 0;
}
-static inline int valid_hitm_or_store(struct hist_entry *he)
+static inline bool is_valid_hist_entry(struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
- bool has_hitm;
+ bool has_record = false;
c2c_he = container_of(he, struct c2c_hist_entry, he);
- has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
- c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
- c2c_he->stats.rmt_hitm;
- return has_hitm || c2c_he->stats.store;
+
+ /* It's a valid entry if contains stores */
+ if (c2c_he->stats.store)
+ return true;
+
+ switch (c2c.display) {
+ case DISPLAY_LCL_HITM:
+ has_record = !!c2c_he->stats.lcl_hitm;
+ break;
+ case DISPLAY_RMT_HITM:
+ has_record = !!c2c_he->stats.rmt_hitm;
+ break;
+ case DISPLAY_TOT_HITM:
+ has_record = !!c2c_he->stats.tot_hitm;
+ break;
+ case DISPLAY_SNP_PEER:
+ has_record = !!c2c_he->stats.tot_peer;
+ default:
+ break;
+ }
+
+ return has_record;
+}
+
+static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
+{
+ struct c2c_dimension *dim;
+
+ dim = &c2c.hists == c2c_he->hists ?
+ &dim_dcacheline_node : &dim_offset_node;
+
+ if (len > dim->width)
+ dim->width = len;
+}
+
+static int set_nodestr(struct c2c_hist_entry *c2c_he)
+{
+ char buf[30];
+ int len;
+
+ if (c2c_he->nodestr)
+ return 0;
+
+ if (!bitmap_empty(c2c_he->nodeset, c2c.nodes_cnt)) {
+ len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
+ buf, sizeof(buf));
+ } else {
+ len = scnprintf(buf, sizeof(buf), "N/A");
+ }
+
+ set_node_width(c2c_he, len);
+ c2c_he->nodestr = strdup(buf);
+ return c2c_he->nodestr ? 0 : -ENOMEM;
}
-static void calc_width(struct hist_entry *he)
+static void calc_width(struct c2c_hist_entry *c2c_he)
{
struct c2c_hists *c2c_hists;
- c2c_hists = container_of(he->hists, struct c2c_hists, hists);
- hists__calc_col_len(&c2c_hists->hists, he);
+ c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
+ hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
+ set_nodestr(c2c_he);
}
-static int filter_cb(struct hist_entry *he)
+static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
{
+ struct c2c_hist_entry *c2c_he;
+
+ c2c_he = container_of(he, struct c2c_hist_entry, he);
+
if (c2c.show_src && !he->srcline)
- he->srcline = hist_entry__get_srcline(he);
+ he->srcline = hist_entry__srcline(he);
- calc_width(he);
+ calc_width(c2c_he);
- if (!valid_hitm_or_store(he))
+ if (!is_valid_hist_entry(he))
he->filtered = HIST_FILTER__C2C;
return 0;
}
-static int resort_cl_cb(struct hist_entry *he)
+static int resort_cl_cb(struct hist_entry *he, void *arg)
{
+ struct perf_env *env = arg;
struct c2c_hist_entry *c2c_he;
struct c2c_hists *c2c_hists;
- bool display = he__display(he, &c2c.hitm_stats);
+ bool display = he__display(he, &c2c.shared_clines_stats);
c2c_he = container_of(he, struct c2c_hist_entry, he);
c2c_hists = c2c_he->hists;
- calc_width(he);
-
if (display && c2c_hists) {
static unsigned int idx;
c2c_he->cacheline_idx = idx++;
+ calc_width(c2c_he);
- c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
+ c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort, env);
hists__collapse_resort(&c2c_hists->hists, NULL);
hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
@@ -1884,25 +2277,51 @@ static int resort_cl_cb(struct hist_entry *he)
return 0;
}
+static struct c2c_header header_node_0 = HEADER_LOW("Node");
+static struct c2c_header header_node_1_hitms_stores =
+ HEADER_LOW("Node{cpus %hitms %stores}");
+static struct c2c_header header_node_1_peers_stores =
+ HEADER_LOW("Node{cpus %peers %stores}");
+static struct c2c_header header_node_2 = HEADER_LOW("Node{cpu list}");
+
static void setup_nodes_header(void)
{
- dim_node.header = header_node[c2c.node_info];
+ switch (c2c.node_info) {
+ case 0:
+ dim_node.header = header_node_0;
+ break;
+ case 1:
+ if (c2c.display == DISPLAY_SNP_PEER)
+ dim_node.header = header_node_1_peers_stores;
+ else
+ dim_node.header = header_node_1_hitms_stores;
+ break;
+ case 2:
+ dim_node.header = header_node_2;
+ break;
+ default:
+ break;
+ }
+
+ return;
}
static int setup_nodes(struct perf_session *session)
{
struct numa_node *n;
unsigned long **nodes;
- int node, cpu;
+ int node, idx;
+ struct perf_cpu cpu;
int *cpu2node;
+ struct perf_env *env = perf_session__env(session);
if (c2c.node_info > 2)
c2c.node_info = 2;
- c2c.nodes_cnt = session->header.env.nr_numa_nodes;
- c2c.cpus_cnt = session->header.env.nr_cpus_online;
+ c2c.nodes_cnt = env->nr_numa_nodes;
+ c2c.cpus_cnt = env->nr_cpus_avail;
- n = session->header.env.numa_nodes;
+ n = env->numa_nodes;
if (!n)
return -EINVAL;
@@ -1916,29 +2335,29 @@ static int setup_nodes(struct perf_session *session)
if (!cpu2node)
return -ENOMEM;
- for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
- cpu2node[cpu] = -1;
+ for (idx = 0; idx < c2c.cpus_cnt; idx++)
+ cpu2node[idx] = -1;
c2c.cpu2node = cpu2node;
for (node = 0; node < c2c.nodes_cnt; node++) {
- struct cpu_map *map = n[node].map;
+ struct perf_cpu_map *map = n[node].map;
unsigned long *set;
- set = bitmap_alloc(c2c.cpus_cnt);
+ set = bitmap_zalloc(c2c.cpus_cnt);
if (!set)
return -ENOMEM;
- for (cpu = 0; cpu < map->nr; cpu++) {
- set_bit(map->map[cpu], set);
+ nodes[node] = set;
- if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
+ perf_cpu_map__for_each_cpu_skip_any(cpu, idx, map) {
+ __set_bit(cpu.cpu, set);
+
+ if (WARN_ONCE(cpu2node[cpu.cpu] != -1, "node/cpu topology bug"))
return -EINVAL;
- cpu2node[map->map[cpu]] = node;
+ cpu2node[cpu.cpu] = node;
}
-
- nodes[node] = set;
}
setup_nodes_header();
@@ -1946,30 +2365,31 @@ static int setup_nodes(struct perf_session *session)
}
#define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
+#define HAS_PEER(__h) ((__h)->stats.lcl_peer || (__h)->stats.rmt_peer)
-static int resort_hitm_cb(struct hist_entry *he)
+static int resort_shared_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
{
struct c2c_hist_entry *c2c_he;
c2c_he = container_of(he, struct c2c_hist_entry, he);
- if (HAS_HITMS(c2c_he)) {
+ if (HAS_HITMS(c2c_he) || HAS_PEER(c2c_he)) {
c2c.shared_clines++;
- c2c_add_stats(&c2c.hitm_stats, &c2c_he->stats);
+ c2c_add_stats(&c2c.shared_clines_stats, &c2c_he->stats);
}
return 0;
}
-static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
+static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb, void *arg)
{
- struct rb_node *next = rb_first(&hists->entries);
+ struct rb_node *next = rb_first_cached(&hists->entries);
int ret = 0;
while (next) {
struct hist_entry *he;
he = rb_entry(next, struct hist_entry, rb_node);
- ret = cb(he);
+ ret = cb(he, arg);
if (ret)
break;
next = rb_next(&he->rb_node);
@@ -1983,10 +2403,7 @@ static void print_c2c__display_stats(FILE *out)
int llc_misses;
struct c2c_stats *stats = &c2c.hists.stats;
- llc_misses = stats->lcl_dram +
- stats->rmt_dram +
- stats->rmt_hit +
- stats->rmt_hitm;
+ llc_misses = get_load_llc_misses(stats);
fprintf(out, "=================================================\n");
fprintf(out, " Trace Event Information \n");
@@ -2010,6 +2427,10 @@ static void print_c2c__display_stats(FILE *out)
fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl);
fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared);
fprintf(out, " Load LLC Misses : %10d\n", llc_misses);
+ fprintf(out, " Load access blocked by data : %10d\n", stats->blk_data);
+ fprintf(out, " Load access blocked by address : %10d\n", stats->blk_addr);
+ fprintf(out, " Load HIT Local Peer : %10d\n", stats->lcl_peer);
+ fprintf(out, " Load HIT Remote Peer : %10d\n", stats->rmt_peer);
fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
@@ -2019,13 +2440,14 @@ static void print_c2c__display_stats(FILE *out)
fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs);
fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit);
fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss);
+ fprintf(out, " Store No available memory level : %10d\n", stats->st_na);
fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap);
fprintf(out, " Unable to parse data source : %10d\n", stats->noparse);
}
static void print_shared_cacheline_info(FILE *out)
{
- struct c2c_stats *stats = &c2c.hitm_stats;
+ struct c2c_stats *stats = &c2c.shared_clines_stats;
int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
fprintf(out, "=================================================\n");
@@ -2037,9 +2459,12 @@ static void print_shared_cacheline_info(FILE *out)
fprintf(out, " L1D hits on shared lines : %10d\n", stats->ld_l1hit);
fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit);
fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm);
+ fprintf(out, " Load hits on peer cache or nodes : %10d\n", stats->lcl_peer + stats->rmt_peer);
fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks);
+ fprintf(out, " Blocked Access on shared lines : %10d\n", stats->blk_data + stats->blk_addr);
fprintf(out, " Store HITs on shared lines : %10d\n", stats->store);
fprintf(out, " Store L1D hits on shared lines : %10d\n", stats->st_l1hit);
+ fprintf(out, " Store No available memory level : %10d\n", stats->st_na);
fprintf(out, " Total Merged records : %10d\n", hitm_cnt + stats->store);
}
@@ -2062,34 +2487,45 @@ static void print_cacheline(struct c2c_hists *c2c_hists,
fprintf(out, "\n");
}
- fprintf(out, " -------------------------------------------------------------\n");
+ fprintf(out, " ----------------------------------------------------------------------\n");
__hist_entry__snprintf(he_cl, &hpp, hpp_list);
fprintf(out, "%s\n", bf);
- fprintf(out, " -------------------------------------------------------------\n");
+ fprintf(out, " ----------------------------------------------------------------------\n");
- hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, true);
+ hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, false);
}
-static void print_pareto(FILE *out)
+static void print_pareto(FILE *out, struct perf_env *env)
{
struct perf_hpp_list hpp_list;
struct rb_node *nd;
int ret;
+ const char *cl_output;
+
+ if (c2c.display != DISPLAY_SNP_PEER)
+ cl_output = "cl_num,"
+ "cl_rmt_hitm,"
+ "cl_lcl_hitm,"
+ "cl_stores_l1hit,"
+ "cl_stores_l1miss,"
+ "cl_stores_na,"
+ "dcacheline";
+ else
+ cl_output = "cl_num,"
+ "cl_rmt_peer,"
+ "cl_lcl_peer,"
+ "cl_stores_l1hit,"
+ "cl_stores_l1miss,"
+ "cl_stores_na,"
+ "dcacheline";
perf_hpp_list__init(&hpp_list);
- ret = hpp_list__parse(&hpp_list,
- "cl_num,"
- "cl_rmt_hitm,"
- "cl_lcl_hitm,"
- "cl_stores_l1hit,"
- "cl_stores_l1miss,"
- "dcacheline",
- NULL);
+ ret = hpp_list__parse(&hpp_list, cl_output, /*evlist=*/NULL, env);
if (WARN_ONCE(ret, "failed to setup sort entries\n"))
return;
- nd = rb_first(&c2c.hists.hists.entries);
+ nd = rb_first_cached(&c2c.hists.hists.entries);
for (; nd; nd = rb_next(nd)) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
@@ -2105,8 +2541,8 @@ static void print_pareto(FILE *out)
static void print_c2c_info(FILE *out, struct perf_session *session)
{
- struct perf_evlist *evlist = session->evlist;
- struct perf_evsel *evsel;
+ struct evlist *evlist = session->evlist;
+ struct evsel *evsel;
bool first = true;
fprintf(out, "=================================================\n");
@@ -2114,11 +2550,10 @@ static void print_c2c_info(FILE *out, struct perf_session *session)
fprintf(out, "=================================================\n");
evlist__for_each_entry(evlist, evsel) {
- fprintf(out, "%-36s: %s\n", first ? " Events" : "",
- perf_evsel__name(evsel));
+ fprintf(out, "%-36s: %s\n", first ? " Events" : "", evsel__name(evsel));
first = false;
}
- fprintf(out, " Cachelines sort on : %s HITMs\n",
+ fprintf(out, " Cachelines sort on : %s\n",
display_str[c2c.display]);
fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort);
}
@@ -2142,7 +2577,7 @@ static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
fprintf(out, "=================================================\n");
fprintf(out, "#\n");
- hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, false);
+ hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, true);
fprintf(out, "\n");
fprintf(out, "=================================================\n");
@@ -2150,14 +2585,52 @@ static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
fprintf(out, "=================================================\n");
fprintf(out, "#\n");
- print_pareto(out);
+ print_pareto(out, perf_session__env(session));
}
#ifdef HAVE_SLANG_SUPPORT
+
+static int perf_c2c__toggle_annotation(struct hist_browser *browser)
+{
+ struct hist_entry *he = browser->he_selection;
+ struct symbol *sym = NULL;
+ struct annotated_source *src = NULL;
+ struct c2c_hist_entry *c2c_he = NULL;
+ u64 al_addr = NO_ADDR;
+
+ if (!perf_c2c__has_annotation(he->hists->hpp_list)) {
+ ui_browser__help_window(&browser->b, "No annotation support");
+ return 0;
+ }
+
+ if (he == NULL) {
+ ui_browser__help_window(&browser->b, "No entry selected for annotation");
+ return 0;
+ }
+
+ sym = he->ms.sym;
+ if (sym == NULL) {
+ ui_browser__help_window(&browser->b, "Can not annotate, no symbol found");
+ return 0;
+ }
+
+ src = symbol__hists(sym, 0);
+ if (src == NULL) {
+ ui_browser__help_window(&browser->b, "Failed to initialize annotation source");
+ return 0;
+ }
+
+ if (he->mem_info)
+ al_addr = mem_info__iaddr(he->mem_info)->al_addr;
+
+ c2c_he = container_of(he, struct c2c_hist_entry, he);
+ return hist_entry__tui_annotate(he, c2c_he->evsel, NULL, al_addr);
+}
+
static void c2c_browser__update_nr_entries(struct hist_browser *hb)
{
u64 nr_entries = 0;
- struct rb_node *nd = rb_first(&hb->hists->entries);
+ struct rb_node *nd = rb_first_cached(&hb->hists->entries);
while (nd) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
@@ -2188,7 +2661,7 @@ perf_c2c_cacheline_browser__title(struct hist_browser *browser,
he = cl_browser->he;
if (he->mem_info)
- addr = cl_address(he->mem_info->daddr.addr);
+ addr = cl_address(mem_info__daddr(he->mem_info)->addr, chk_double_cl);
scnprintf(bf, size, "Cacheline 0x%lx", addr);
return 0;
@@ -2217,12 +2690,16 @@ static int perf_c2c__browse_cacheline(struct hist_entry *he)
struct c2c_cacheline_browser *cl_browser;
struct hist_browser *browser;
int key = -1;
- const char help[] =
- " ENTER Togle callchains (if present) \n"
- " n Togle Node details info \n"
- " s Togle full lenght of symbol and source line columns \n"
+ static const char help[] =
+ " ENTER Toggle callchains (if present) \n"
+ " n Toggle Node details info \n"
+ " s Toggle full length of symbol and source line columns \n"
+ " a Toggle annotation view \n"
" q Return back to cacheline list \n";
+ if (!he)
+ return 0;
+
/* Display compact version first. */
c2c.symbol_full = false;
@@ -2242,7 +2719,7 @@ static int perf_c2c__browse_cacheline(struct hist_entry *he)
c2c_browser__update_nr_entries(browser);
while (1) {
- key = hist_browser__run(browser, "? - help");
+ key = hist_browser__run(browser, "? - help", true, 0);
switch (key) {
case 's':
@@ -2252,6 +2729,9 @@ static int perf_c2c__browse_cacheline(struct hist_entry *he)
c2c.node_info = (c2c.node_info + 1) % 3;
setup_nodes_header();
break;
+ case 'a':
+ perf_c2c__toggle_annotation(browser);
+ break;
case 'q':
goto out;
case '?':
@@ -2272,7 +2752,7 @@ static int perf_c2c_browser__title(struct hist_browser *browser,
{
scnprintf(bf, size,
"Shared Data Cache Line Table "
- "(%lu entries, sorted on %s HITMs)",
+ "(%lu entries, sorted on %s)",
browser->nr_non_filtered_entries,
display_str[c2c.display]);
return 0;
@@ -2295,9 +2775,9 @@ static int perf_c2c__hists_browse(struct hists *hists)
{
struct hist_browser *browser;
int key = -1;
- const char help[] =
+ static const char help[] =
" d Display cacheline details \n"
- " ENTER Togle callchains (if present) \n"
+ " ENTER Toggle callchains (if present) \n"
" q Quit \n";
browser = perf_c2c_browser__new(hists);
@@ -2311,7 +2791,7 @@ static int perf_c2c__hists_browse(struct hists *hists)
c2c_browser__update_nr_entries(browser);
while (1) {
- key = hist_browser__run(browser, "? - help");
+ key = hist_browser__run(browser, "? - help", true, 0);
switch (key) {
case 'q':
@@ -2347,14 +2827,67 @@ static void perf_c2c_display(struct perf_session *session)
}
#endif /* HAVE_SLANG_SUPPORT */
-static void ui_quirks(void)
+static char *fill_line(const char *orig, int len)
+{
+ int i, j, olen = strlen(orig);
+ char *buf;
+
+ buf = zalloc(len + 1);
+ if (!buf)
+ return NULL;
+
+ j = len / 2 - olen / 2;
+
+ for (i = 0; i < j - 1; i++)
+ buf[i] = '-';
+
+ buf[i++] = ' ';
+
+ strcpy(buf + i, orig);
+
+ i += olen;
+
+ buf[i++] = ' ';
+
+ for (; i < len; i++)
+ buf[i] = '-';
+
+ return buf;
+}
+
+static int ui_quirks(void)
{
+ const char *nodestr = "Data address";
+ char *buf;
+
if (!c2c.use_stdio) {
dim_offset.width = 5;
dim_offset.header = header_offset_tui;
+ nodestr = chk_double_cl ? "Double-CL" : "CL";
}
- dim_percent_hitm.header = percent_hitm_header[c2c.display];
+ dim_percent_costly_snoop.header = percent_costly_snoop_header[c2c.display];
+
+ /* Fix the zero line for dcacheline column. */
+ buf = fill_line(chk_double_cl ? "Double-Cacheline" : "Cacheline",
+ dim_dcacheline.width +
+ dim_dcacheline_node.width +
+ dim_dcacheline_count.width + 4);
+ if (!buf)
+ return -ENOMEM;
+
+ dim_dcacheline.header.line[0].text = buf;
+
+ /* Fix the zero line for offset column. */
+ buf = fill_line(nodestr, dim_offset.width +
+ dim_offset_node.width +
+ dim_dcacheline_count.width + 4);
+ if (!buf)
+ return -ENOMEM;
+
+ dim_offset.header.line[0].text = buf;
+
+ return 0;
}
#define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
@@ -2381,15 +2914,16 @@ parse_callchain_opt(const struct option *opt, const char *arg, int unset)
return parse_callchain_report_opt(arg);
}
-static int setup_callchain(struct perf_evlist *evlist)
+static int setup_callchain(struct evlist *evlist)
{
- u64 sample_type = perf_evlist__combined_sample_type(evlist);
+ u64 sample_type = evlist__combined_sample_type(evlist);
enum perf_call_graph_mode mode = CALLCHAIN_NONE;
if ((sample_type & PERF_SAMPLE_REGS_USER) &&
- (sample_type & PERF_SAMPLE_STACK_USER))
+ (sample_type & PERF_SAMPLE_STACK_USER)) {
mode = CALLCHAIN_DWARF;
- else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
+ dwarf_callchain_users = true;
+ } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
mode = CALLCHAIN_LBR;
else if (sample_type & PERF_SAMPLE_CALLCHAIN)
mode = CALLCHAIN_FP;
@@ -2404,6 +2938,12 @@ static int setup_callchain(struct perf_evlist *evlist)
}
}
+ if (c2c.stitch_lbr && (mode != CALLCHAIN_LBR)) {
+ ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
+ "Please apply --call-graph lbr when recording.\n");
+ c2c.stitch_lbr = false;
+ }
+
callchain_param.record_mode = mode;
callchain_param.min_percent = 0;
return 0;
@@ -2411,14 +2951,16 @@ static int setup_callchain(struct perf_evlist *evlist)
static int setup_display(const char *str)
{
- const char *display = str ?: "tot";
+ const char *display = str;
if (!strcmp(display, "tot"))
- c2c.display = DISPLAY_TOT;
+ c2c.display = DISPLAY_TOT_HITM;
else if (!strcmp(display, "rmt"))
- c2c.display = DISPLAY_RMT;
+ c2c.display = DISPLAY_RMT_HITM;
else if (!strcmp(display, "lcl"))
- c2c.display = DISPLAY_LCL;
+ c2c.display = DISPLAY_LCL_HITM;
+ else if (!strcmp(display, "peer"))
+ c2c.display = DISPLAY_SNP_PEER;
else {
pr_err("failed: unknown display type: %s\n", str);
return -1;
@@ -2440,6 +2982,7 @@ static int build_cl_output(char *cl_sort, bool no_source)
bool add_sym = false;
bool add_dso = false;
bool add_src = false;
+ int ret = 0;
if (!buf)
return -ENOMEM;
@@ -2458,41 +3001,50 @@ static int build_cl_output(char *cl_sort, bool no_source)
add_dso = true;
} else if (strcmp(tok, "offset")) {
pr_err("unrecognized sort token: %s\n", tok);
- return -EINVAL;
+ ret = -EINVAL;
+ goto err;
}
}
if (asprintf(&c2c.cl_output,
- "%s%s%s%s%s%s%s%s%s%s",
+ "%s%s%s%s%s%s%s%s%s%s%s%s",
c2c.use_stdio ? "cl_num_empty," : "",
- "percent_rmt_hitm,"
- "percent_lcl_hitm,"
+ c2c.display == DISPLAY_SNP_PEER ? "percent_rmt_peer,"
+ "percent_lcl_peer," :
+ "percent_rmt_hitm,"
+ "percent_lcl_hitm,",
"percent_stores_l1hit,"
"percent_stores_l1miss,"
- "offset,",
+ "percent_stores_na,"
+ "offset,offset_node,dcacheline_count,",
add_pid ? "pid," : "",
add_tid ? "tid," : "",
add_iaddr ? "iaddr," : "",
- "mean_rmt,"
- "mean_lcl,"
+ c2c.display == DISPLAY_SNP_PEER ? "mean_rmt_peer,"
+ "mean_lcl_peer," :
+ "mean_rmt,"
+ "mean_lcl,",
"mean_load,"
"tot_recs,"
"cpucnt,",
add_sym ? "symbol," : "",
add_dso ? "dso," : "",
add_src ? "cl_srcline," : "",
- "node") < 0)
- return -ENOMEM;
+ "node") < 0) {
+ ret = -ENOMEM;
+ goto err;
+ }
c2c.show_src = add_src;
-
+err:
free(buf);
- return 0;
+ return ret;
}
static int setup_coalesce(const char *coalesce, bool no_source)
{
const char *c = coalesce ?: coalesce_default;
+ const char *sort_str = NULL;
if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
return -ENOMEM;
@@ -2500,12 +3052,16 @@ static int setup_coalesce(const char *coalesce, bool no_source)
if (build_cl_output(c2c.cl_sort, no_source))
return -1;
- if (asprintf(&c2c.cl_resort, "offset,%s",
- c2c.display == DISPLAY_TOT ?
- "tot_hitm" :
- c2c.display == DISPLAY_RMT ?
- "rmt_hitm,lcl_hitm" :
- "lcl_hitm,rmt_hitm") < 0)
+ if (c2c.display == DISPLAY_TOT_HITM)
+ sort_str = "tot_hitm";
+ else if (c2c.display == DISPLAY_RMT_HITM)
+ sort_str = "rmt_hitm,lcl_hitm";
+ else if (c2c.display == DISPLAY_LCL_HITM)
+ sort_str = "lcl_hitm,rmt_hitm";
+ else if (c2c.display == DISPLAY_SNP_PEER)
+ sort_str = "tot_peer";
+
+ if (asprintf(&c2c.cl_resort, "offset,%s", sort_str) < 0)
return -ENOMEM;
pr_debug("coalesce sort fields: %s\n", c2c.cl_sort);
@@ -2516,15 +3072,22 @@ static int setup_coalesce(const char *coalesce, bool no_source)
static int perf_c2c__report(int argc, const char **argv)
{
+ struct itrace_synth_opts itrace_synth_opts = {
+ .set = true,
+ .mem = true, /* Only enable memory event */
+ .default_no_sample = true,
+ };
+
struct perf_session *session;
struct ui_progress prog;
- struct perf_data_file file = {
+ struct perf_data data = {
.mode = PERF_DATA_MODE_READ,
};
char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
const char *display = NULL;
const char *coalesce = NULL;
bool no_source = false;
+ const char *disassembler_style = NULL, *objdump_path = NULL;
const struct option options[] = {
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
"file", "vmlinux pathname"),
@@ -2532,9 +3095,7 @@ static int perf_c2c__report(int argc, const char **argv)
"the input file to process"),
OPT_INCR('N', "node-info", &c2c.node_info,
"show extra node info in report (repeat for more info)"),
-#ifdef HAVE_SLANG_SUPPORT
OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
-#endif
OPT_BOOLEAN(0, "stats", &c2c.stats_only,
"Display only statistic tables (implies --stdio)"),
OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
@@ -2547,114 +3108,249 @@ static int perf_c2c__report(int argc, const char **argv)
"print_type,threshold[,print_limit],order,sort_key[,branch],value",
callchain_help, &parse_callchain_opt,
callchain_default_opt),
- OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
+ OPT_STRING('d', "display", &display, "Switch HITM output type", "tot,lcl,rmt,peer"),
OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
"coalesce fields: pid,tid,iaddr,dso"),
OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
+ OPT_BOOLEAN(0, "stitch-lbr", &c2c.stitch_lbr,
+ "Enable LBR callgraph stitching approach"),
+ OPT_BOOLEAN(0, "double-cl", &chk_double_cl, "Detect adjacent cacheline false sharing"),
+ OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
+ "Specify disassembler style (e.g. -M intel for intel syntax)"),
+ OPT_STRING(0, "objdump", &objdump_path, "path",
+ "objdump binary to use for disassembly and annotations"),
OPT_PARENT(c2c_options),
OPT_END()
};
int err = 0;
+ const char *output_str, *sort_str = NULL;
+ struct perf_env *env;
+
+ annotation_options__init();
+
+ err = hists__init();
+ if (err < 0)
+ goto out;
argc = parse_options(argc, argv, options, report_c2c_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (argc)
usage_with_options(report_c2c_usage, options);
+#ifndef HAVE_SLANG_SUPPORT
+ c2c.use_stdio = true;
+#endif
+
if (c2c.stats_only)
c2c.use_stdio = true;
+ /**
+ * Annotation related options disassembler_style, objdump_path are set
+ * in the c2c_options, so we can use them here.
+ */
+ if (disassembler_style) {
+ annotate_opts.disassembler_style = strdup(disassembler_style);
+ if (!annotate_opts.disassembler_style) {
+ err = -ENOMEM;
+ pr_err("Failed to allocate memory for annotation options\n");
+ goto out;
+ }
+ }
+ if (objdump_path) {
+ annotate_opts.objdump_path = strdup(objdump_path);
+ if (!annotate_opts.objdump_path) {
+ err = -ENOMEM;
+ pr_err("Failed to allocate memory for annotation options\n");
+ goto out;
+ }
+ }
+
+ err = symbol__validate_sym_arguments();
+ if (err)
+ goto out;
+
if (!input_name || !strlen(input_name))
input_name = "perf.data";
- file.path = input_name;
- file.force = symbol_conf.force;
+ data.path = input_name;
+ data.force = symbol_conf.force;
+
+ perf_tool__init(&c2c.tool, /*ordered_events=*/true);
+ c2c.tool.sample = process_sample_event;
+ c2c.tool.mmap = perf_event__process_mmap;
+ c2c.tool.mmap2 = perf_event__process_mmap2;
+ c2c.tool.comm = perf_event__process_comm;
+ c2c.tool.exit = perf_event__process_exit;
+ c2c.tool.fork = perf_event__process_fork;
+ c2c.tool.lost = perf_event__process_lost;
+ c2c.tool.attr = perf_event__process_attr;
+ c2c.tool.auxtrace_info = perf_event__process_auxtrace_info;
+ c2c.tool.auxtrace = perf_event__process_auxtrace;
+ c2c.tool.auxtrace_error = perf_event__process_auxtrace_error;
+ c2c.tool.ordering_requires_timestamps = true;
+ session = perf_session__new(&data, &c2c.tool);
+ if (IS_ERR(session)) {
+ err = PTR_ERR(session);
+ pr_debug("Error creating perf session\n");
+ goto out;
+ }
+ env = perf_session__env(session);
+ /*
+ * Use the 'tot' as default display type if user doesn't specify it;
+ * since Arm64 platform doesn't support HITMs flag, use 'peer' as the
+ * default display type.
+ */
+ if (!display) {
+ if (!strcmp(perf_env__arch(env), "arm64"))
+ display = "peer";
+ else
+ display = "tot";
+ }
err = setup_display(display);
if (err)
- goto out;
+ goto out_session;
err = setup_coalesce(coalesce, no_source);
if (err) {
pr_debug("Failed to initialize hists\n");
- goto out;
+ goto out_session;
}
- err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
+ err = c2c_hists__init(&c2c.hists, "dcacheline", 2, perf_session__env(session));
if (err) {
pr_debug("Failed to initialize hists\n");
- goto out;
+ goto out_session;
}
- session = perf_session__new(&file, 0, &c2c.tool);
- if (session == NULL) {
- pr_debug("No memory for session\n");
- goto out;
- }
+ session->itrace_synth_opts = &itrace_synth_opts;
err = setup_nodes(session);
if (err) {
pr_err("Failed setup nodes\n");
- goto out;
+ goto out_session;
}
- err = setup_callchain(session->evlist);
+ err = mem2node__init(&c2c.mem2node, env);
if (err)
goto out_session;
- if (symbol__init(&session->header.env) < 0)
- goto out_session;
-
- /* No pipe support at the moment. */
- if (perf_data_file__is_pipe(session->file)) {
- pr_debug("No pipe support at the moment.\n");
- goto out_session;
- }
+ err = setup_callchain(session->evlist);
+ if (err)
+ goto out_mem2node;
if (c2c.use_stdio)
use_browser = 0;
else
use_browser = 1;
+ /*
+ * Only in the TUI browser we are doing integrated annotation,
+ * so don't allocate extra space that won't be used in the stdio
+ * implementation.
+ */
+ if (perf_c2c__has_annotation(NULL)) {
+ int ret = symbol__annotation_init();
+
+ if (ret < 0)
+ goto out_mem2node;
+ /*
+ * For searching by name on the "Browse map details".
+ * providing it only in verbose mode not to bloat too
+ * much struct symbol.
+ */
+ if (verbose > 0) {
+ /*
+ * XXX: Need to provide a less kludgy way to ask for
+ * more space per symbol, the u32 is for the index on
+ * the ui browser.
+ * See symbol__browser_index.
+ */
+ symbol_conf.priv_size += sizeof(u32);
+ }
+ annotation_config__init();
+ }
+
+ if (symbol__init(env) < 0)
+ goto out_mem2node;
+
+ /* No pipe support at the moment. */
+ if (perf_data__is_pipe(session->data)) {
+ pr_debug("No pipe support at the moment.\n");
+ goto out_mem2node;
+ }
+
setup_browser(false);
err = perf_session__process_events(session);
if (err) {
pr_err("failed to process sample\n");
- goto out_session;
+ goto out_mem2node;
}
- c2c_hists__reinit(&c2c.hists,
- "cl_idx,"
- "dcacheline,"
- "tot_recs,"
- "percent_hitm,"
- "tot_hitm,lcl_hitm,rmt_hitm,"
- "stores,stores_l1hit,stores_l1miss,"
- "dram_lcl,dram_rmt,"
- "ld_llcmiss,"
- "tot_loads,"
- "ld_fbhit,ld_l1hit,ld_l2hit,"
- "ld_lclhit,ld_rmthit",
- c2c.display == DISPLAY_TOT ? "tot_hitm" :
- c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
- );
+ if (c2c.display != DISPLAY_SNP_PEER)
+ output_str = "cl_idx,"
+ "dcacheline,"
+ "dcacheline_node,"
+ "dcacheline_count,"
+ "percent_costly_snoop,"
+ "tot_hitm,lcl_hitm,rmt_hitm,"
+ "tot_recs,"
+ "tot_loads,"
+ "tot_stores,"
+ "stores_l1hit,stores_l1miss,stores_na,"
+ "ld_fbhit,ld_l1hit,ld_l2hit,"
+ "ld_lclhit,lcl_hitm,"
+ "ld_rmthit,rmt_hitm,"
+ "dram_lcl,dram_rmt";
+ else
+ output_str = "cl_idx,"
+ "dcacheline,"
+ "dcacheline_node,"
+ "dcacheline_count,"
+ "percent_costly_snoop,"
+ "tot_peer,lcl_peer,rmt_peer,"
+ "tot_recs,"
+ "tot_loads,"
+ "tot_stores,"
+ "stores_l1hit,stores_l1miss,stores_na,"
+ "ld_fbhit,ld_l1hit,ld_l2hit,"
+ "ld_lclhit,lcl_hitm,"
+ "ld_rmthit,rmt_hitm,"
+ "dram_lcl,dram_rmt";
+
+ if (c2c.display == DISPLAY_TOT_HITM)
+ sort_str = "tot_hitm";
+ else if (c2c.display == DISPLAY_RMT_HITM)
+ sort_str = "rmt_hitm";
+ else if (c2c.display == DISPLAY_LCL_HITM)
+ sort_str = "lcl_hitm";
+ else if (c2c.display == DISPLAY_SNP_PEER)
+ sort_str = "tot_peer";
+
+ c2c_hists__reinit(&c2c.hists, output_str, sort_str, perf_session__env(session));
ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
hists__collapse_resort(&c2c.hists.hists, NULL);
- hists__output_resort_cb(&c2c.hists.hists, &prog, resort_hitm_cb);
- hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
+ hists__output_resort_cb(&c2c.hists.hists, &prog, resort_shared_cl_cb);
+ hists__iterate_cb(&c2c.hists.hists, resort_cl_cb, perf_session__env(session));
ui_progress__finish();
- ui_quirks();
+ if (ui_quirks()) {
+ pr_err("failed to setup UI\n");
+ goto out_mem2node;
+ }
perf_c2c_display(session);
+out_mem2node:
+ mem2node__exit(&c2c.mem2node);
out_session:
perf_session__delete(session);
out:
+ annotation_options__exit();
return err;
}
@@ -2662,9 +3358,23 @@ static int parse_record_events(const struct option *opt,
const char *str, int unset __maybe_unused)
{
bool *event_set = (bool *) opt->value;
+ struct perf_pmu *pmu;
+
+ pmu = perf_mem_events_find_pmu();
+ if (!pmu) {
+ pr_err("failed: there is no PMU that supports perf c2c\n");
+ exit(-1);
+ }
+
+ if (!strcmp(str, "list")) {
+ perf_pmu__mem_events_list(pmu);
+ exit(0);
+ }
+ if (perf_pmu__mem_events_parse(pmu, str))
+ exit(-1);
*event_set = true;
- return perf_mem_events__parse(str);
+ return 0;
}
@@ -2680,12 +3390,15 @@ static int perf_c2c__record(int argc, const char **argv)
{
int rec_argc, i = 0, j;
const char **rec_argv;
+ char *event_name_storage = NULL;
int ret;
bool all_user = false, all_kernel = false;
bool event_set = false;
+ struct perf_mem_event *e;
+ struct perf_pmu *pmu;
struct option options[] = {
OPT_CALLBACK('e', "event", &event_set, "event",
- "event selector. Use 'perf mem record -e list' to list available events",
+ "event selector. Use 'perf c2c record -e list' to list available events",
parse_record_events),
OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
@@ -2694,7 +3407,13 @@ static int perf_c2c__record(int argc, const char **argv)
OPT_END()
};
- if (perf_mem_events__init()) {
+ pmu = perf_mem_events_find_pmu();
+ if (!pmu) {
+ pr_err("failed: no PMU supports the memory events\n");
+ return -1;
+ }
+
+ if (perf_pmu__mem_events_init()) {
pr_err("failed: memory events not supported\n");
return -1;
}
@@ -2702,7 +3421,9 @@ static int perf_c2c__record(int argc, const char **argv)
argc = parse_options(argc, argv, options, record_mem_usage,
PARSE_OPT_KEEP_UNKNOWN);
- rec_argc = argc + 10; /* max number of arguments */
+ /* Max number of arguments multiplied by number of PMUs that can support them. */
+ rec_argc = argc + 11 * (perf_pmu__mem_events_num_mem_pmus(pmu) + 1);
+
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (!rec_argv)
return -1;
@@ -2710,29 +3431,30 @@ static int perf_c2c__record(int argc, const char **argv)
rec_argv[i++] = "record";
if (!event_set) {
- perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
- perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
+ e = perf_pmu__mem_events_ptr(pmu, PERF_MEM_EVENTS__LOAD_STORE);
+ /*
+ * The load and store operations are required, use the event
+ * PERF_MEM_EVENTS__LOAD_STORE if it is supported.
+ */
+ if (e->tag) {
+ perf_mem_record[PERF_MEM_EVENTS__LOAD_STORE] = true;
+ rec_argv[i++] = "-W";
+ } else {
+ perf_mem_record[PERF_MEM_EVENTS__LOAD] = true;
+ perf_mem_record[PERF_MEM_EVENTS__STORE] = true;
+ }
}
- if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
+ if (perf_mem_record[PERF_MEM_EVENTS__LOAD])
rec_argv[i++] = "-W";
rec_argv[i++] = "-d";
+ rec_argv[i++] = "--phys-data";
rec_argv[i++] = "--sample-cpu";
- for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
- if (!perf_mem_events[j].record)
- continue;
-
- if (!perf_mem_events[j].supported) {
- pr_err("failed: event '%s' not supported\n",
- perf_mem_events[j].name);
- return -1;
- }
-
- rec_argv[i++] = "-e";
- rec_argv[i++] = perf_mem_events__name(j);
- };
+ ret = perf_mem_events__record_args(rec_argv, &i, &event_name_storage);
+ if (ret)
+ goto out;
if (all_user)
rec_argv[i++] = "--all-user";
@@ -2756,6 +3478,8 @@ static int perf_c2c__record(int argc, const char **argv)
}
ret = cmd_record(i, rec_argv);
+out:
+ free(event_name_storage);
free(rec_argv);
return ret;
}
@@ -2768,9 +3492,9 @@ int cmd_c2c(int argc, const char **argv)
if (!argc)
usage_with_options(c2c_usage, c2c_options);
- if (!strncmp(argv[0], "rec", 3)) {
+ if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
return perf_c2c__record(argc, argv);
- } else if (!strncmp(argv[0], "rep", 3)) {
+ } else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
return perf_c2c__report(argc, argv);
} else {
usage_with_options(c2c_usage, c2c_options);
diff --git a/tools/perf/builtin-check.c b/tools/perf/builtin-check.c
new file mode 100644
index 000000000000..d19769a8f689
--- /dev/null
+++ b/tools/perf/builtin-check.c
@@ -0,0 +1,189 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "builtin.h"
+#include "color.h"
+#include "util/bpf-utils.h"
+#include "util/debug.h"
+#include "util/header.h"
+#include <tools/config.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <subcmd/parse-options.h>
+
+static const char * const check_subcommands[] = { "feature", NULL };
+static struct option check_options[] = {
+ OPT_BOOLEAN('q', "quiet", &quiet, "do not show any warnings or messages"),
+ OPT_END()
+};
+static struct option check_feature_options[] = { OPT_PARENT(check_options) };
+
+static const char *check_usage[] = { NULL, NULL };
+static const char *check_feature_usage[] = {
+ "perf check feature <feature_list>",
+ NULL
+};
+
+#define FEATURE_STATUS(name_, macro_) { \
+ .name = name_, \
+ .macro = #macro_, \
+ .is_builtin = IS_BUILTIN(macro_) }
+
+#define FEATURE_STATUS_TIP(name_, macro_, tip_) { \
+ .name = name_, \
+ .macro = #macro_, \
+ .tip = tip_, \
+ .is_builtin = IS_BUILTIN(macro_) }
+
+struct feature_status supported_features[] = {
+ FEATURE_STATUS("aio", HAVE_AIO_SUPPORT),
+ FEATURE_STATUS("bpf", HAVE_LIBBPF_SUPPORT),
+ FEATURE_STATUS("bpf_skeletons", HAVE_BPF_SKEL),
+ FEATURE_STATUS("debuginfod", HAVE_DEBUGINFOD_SUPPORT),
+ FEATURE_STATUS("dwarf", HAVE_LIBDW_SUPPORT),
+ FEATURE_STATUS("dwarf_getlocations", HAVE_LIBDW_SUPPORT),
+ FEATURE_STATUS("dwarf-unwind", HAVE_DWARF_UNWIND_SUPPORT),
+ FEATURE_STATUS_TIP("libbfd", HAVE_LIBBFD_SUPPORT, "Deprecated, license incompatibility, use BUILD_NONDISTRO=1 and install binutils-dev[el]"),
+ FEATURE_STATUS("libbpf-strings", HAVE_LIBBPF_STRINGS_SUPPORT),
+ FEATURE_STATUS("libcapstone", HAVE_LIBCAPSTONE_SUPPORT),
+ FEATURE_STATUS("libdw-dwarf-unwind", HAVE_LIBDW_SUPPORT),
+ FEATURE_STATUS("libelf", HAVE_LIBELF_SUPPORT),
+ FEATURE_STATUS("libLLVM", HAVE_LIBLLVM_SUPPORT),
+ FEATURE_STATUS("libnuma", HAVE_LIBNUMA_SUPPORT),
+ FEATURE_STATUS("libopencsd", HAVE_CSTRACE_SUPPORT),
+ FEATURE_STATUS_TIP("libperl", HAVE_LIBPERL_SUPPORT, "Deprecated, use LIBPERL=1 and install perl-ExtUtils-Embed/libperl-dev to build with it"),
+ FEATURE_STATUS("libpfm4", HAVE_LIBPFM),
+ FEATURE_STATUS("libpython", HAVE_LIBPYTHON_SUPPORT),
+ FEATURE_STATUS("libslang", HAVE_SLANG_SUPPORT),
+ FEATURE_STATUS("libtraceevent", HAVE_LIBTRACEEVENT),
+ FEATURE_STATUS_TIP("libunwind", HAVE_LIBUNWIND_SUPPORT, "Deprecated, use LIBUNWIND=1 and install libunwind-dev[el] to build with it"),
+ FEATURE_STATUS("lzma", HAVE_LZMA_SUPPORT),
+ FEATURE_STATUS("numa_num_possible_cpus", HAVE_LIBNUMA_SUPPORT),
+ FEATURE_STATUS("zlib", HAVE_ZLIB_SUPPORT),
+ FEATURE_STATUS("zstd", HAVE_ZSTD_SUPPORT),
+
+ /* this should remain at end, to know the array end */
+ FEATURE_STATUS(NULL, _)
+};
+
+static void on_off_print(const char *status)
+{
+ printf("[ ");
+
+ if (!strcmp(status, "OFF"))
+ color_fprintf(stdout, PERF_COLOR_RED, "%-3s", status);
+ else
+ color_fprintf(stdout, PERF_COLOR_GREEN, "%-3s", status);
+
+ printf(" ]");
+}
+
+/* Helper function to print status of a feature along with name/macro */
+void feature_status__printf(const struct feature_status *feature)
+{
+ const char *name = feature->name, *macro = feature->macro,
+ *status = feature->is_builtin ? "on" : "OFF";
+
+ printf("%22s: ", name);
+ on_off_print(status);
+ printf(" # %s", macro);
+
+ if (!feature->is_builtin && feature->tip)
+ printf(" ( tip: %s )", feature->tip);
+
+ putchar('\n');
+}
+
+/**
+ * check whether "feature" is built-in with perf
+ *
+ * returns:
+ * 0: NOT built-in or Feature not known
+ * 1: Built-in
+ */
+static int has_support(const char *feature)
+{
+ for (int i = 0; supported_features[i].name; ++i) {
+ if ((strcasecmp(feature, supported_features[i].name) == 0) ||
+ (strcasecmp(feature, supported_features[i].macro) == 0)) {
+ if (!quiet)
+ feature_status__printf(&supported_features[i]);
+ return supported_features[i].is_builtin;
+ }
+ }
+
+ if (!quiet)
+ pr_err("Unknown feature '%s', please use 'perf version --build-options' to see which ones are available.\n", feature);
+
+ return 0;
+}
+
+
+/**
+ * Usage: 'perf check feature <feature_list>'
+ *
+ * <feature_list> can be a single feature name/macro, or a comma-separated list
+ * of feature names/macros
+ * eg. argument can be "libtraceevent" or "libtraceevent,bpf" etc
+ *
+ * In case of a comma-separated list, feature_enabled will be 1, only if
+ * all features passed in the string are supported
+ *
+ * Note that argv will get modified
+ */
+static int subcommand_feature(int argc, const char **argv)
+{
+ char *feature_list;
+ char *feature_name;
+ int feature_enabled;
+
+ argc = parse_options(argc, argv, check_feature_options,
+ check_feature_usage, 0);
+
+ if (!argc)
+ usage_with_options(check_feature_usage, check_feature_options);
+
+ if (argc > 1) {
+ pr_err("Too many arguments passed to 'perf check feature'\n");
+ return -1;
+ }
+
+ feature_enabled = 1;
+ /* feature_list is a non-const copy of 'argv[0]' */
+ feature_list = strdup(argv[0]);
+ if (!feature_list) {
+ pr_err("ERROR: failed to allocate memory for feature list\n");
+ return -1;
+ }
+
+ feature_name = strtok(feature_list, ",");
+
+ while (feature_name) {
+ feature_enabled &= has_support(feature_name);
+ feature_name = strtok(NULL, ",");
+ }
+
+ free(feature_list);
+
+ return !feature_enabled;
+}
+
+int cmd_check(int argc, const char **argv)
+{
+ argc = parse_options_subcommand(argc, argv, check_options,
+ check_subcommands, check_usage, 0);
+
+ if (!argc)
+ usage_with_options(check_usage, check_options);
+
+ if (strcmp(argv[0], "feature") == 0)
+ return subcommand_feature(argc, argv);
+
+ /* If no subcommand matched above, print usage help */
+ pr_err("Unknown subcommand: %s\n", argv[0]);
+ usage_with_options(check_usage, check_options);
+
+ /* free usage string allocated by parse_options_subcommand */
+ free((void *)check_usage[0]);
+
+ return 0;
+}
diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c
index 55f04f85b049..45b5312fbe83 100644
--- a/tools/perf/builtin-config.c
+++ b/tools/perf/builtin-config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* builtin-config.c
*
@@ -6,13 +7,14 @@
*/
#include "builtin.h"
-#include "perf.h"
-
#include "util/cache.h"
#include <subcmd/parse-options.h>
-#include "util/util.h"
#include "util/debug.h"
#include "util/config.h"
+#include <linux/string.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
static bool use_system_config, use_user_config;
@@ -33,8 +35,7 @@ static struct option config_options[] = {
OPT_END()
};
-static int set_config(struct perf_config_set *set, const char *file_name,
- const char *var, const char *value)
+static int set_config(struct perf_config_set *set, const char *file_name)
{
struct perf_config_section *section = NULL;
struct perf_config_item *item = NULL;
@@ -48,7 +49,6 @@ static int set_config(struct perf_config_set *set, const char *file_name,
if (!fp)
return -1;
- perf_config_set__collect(set, file_name, var, value);
fprintf(fp, "%s\n", first_line);
/* overwrite configvariables */
@@ -58,7 +58,7 @@ static int set_config(struct perf_config_set *set, const char *file_name,
fprintf(fp, "[%s]\n", section->name);
perf_config_items__for_each_entry(&section->items, item) {
- if (!use_system_config && section->from_system_config)
+ if (!use_system_config && item->from_system_config)
continue;
if (item->value)
fprintf(fp, "\t%s = %s\n",
@@ -79,7 +79,7 @@ static int show_spec_config(struct perf_config_set *set, const char *var)
return -1;
perf_config_items__for_each_entry(&set->sections, section) {
- if (prefixcmp(var, section->name) != 0)
+ if (!strstarts(var, section->name))
continue;
perf_config_items__for_each_entry(&section->items, item) {
@@ -154,11 +154,52 @@ static int parse_config_arg(char *arg, char **var, char **value)
return 0;
}
+int perf_config__set_variable(const char *var, const char *value)
+{
+ char path[PATH_MAX];
+ char *user_config = mkpath(path, sizeof(path), "%s/.perfconfig", getenv("HOME"));
+ const char *config_filename;
+ struct perf_config_set *set;
+ int ret = -1;
+
+ if (use_system_config)
+ config_exclusive_filename = perf_etc_perfconfig();
+ else if (use_user_config)
+ config_exclusive_filename = user_config;
+
+ if (!config_exclusive_filename)
+ config_filename = user_config;
+ else
+ config_filename = config_exclusive_filename;
+
+ set = perf_config_set__new();
+ if (!set)
+ goto out_err;
+
+ if (perf_config_set__collect(set, config_filename, var, value) < 0) {
+ pr_err("Failed to add '%s=%s'\n", var, value);
+ goto out_err;
+ }
+
+ if (set_config(set, config_filename) < 0) {
+ pr_err("Failed to set the configs on %s\n", config_filename);
+ goto out_err;
+ }
+
+ ret = 0;
+out_err:
+ perf_config_set__delete(set);
+ return ret;
+}
+
int cmd_config(int argc, const char **argv)
{
- int i, ret = 0;
+ int i, ret = -1;
struct perf_config_set *set;
- char *user_config = mkpath("%s/.perfconfig", getenv("HOME"));
+ char path[PATH_MAX];
+ char *user_config = mkpath(path, sizeof(path), "%s/.perfconfig", getenv("HOME"));
+ const char *config_filename;
+ bool changed = false;
argc = parse_options(argc, argv, config_options, config_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
@@ -175,15 +216,18 @@ int cmd_config(int argc, const char **argv)
else if (use_user_config)
config_exclusive_filename = user_config;
+ if (!config_exclusive_filename)
+ config_filename = user_config;
+ else
+ config_filename = config_exclusive_filename;
+
/*
* At only 'config' sub-command, individually use the config set
* because of reinitializing with options config file location.
*/
set = perf_config_set__new();
- if (!set) {
- ret = -1;
+ if (!set)
goto out_err;
- }
switch (actions) {
case ACTION_LIST:
@@ -191,50 +235,64 @@ int cmd_config(int argc, const char **argv)
pr_err("Error: takes no arguments\n");
parse_options_usage(config_usage, config_options, "l", 1);
} else {
- ret = show_config(set);
- if (ret < 0) {
- const char * config_filename = config_exclusive_filename;
- if (!config_exclusive_filename)
- config_filename = user_config;
+do_action_list:
+ if (show_config(set) < 0) {
pr_err("Nothing configured, "
"please check your %s \n", config_filename);
+ goto out_err;
}
}
break;
default:
- if (argc) {
- for (i = 0; argv[i]; i++) {
- char *var, *value;
- char *arg = strdup(argv[i]);
-
- if (!arg) {
- pr_err("%s: strdup failed\n", __func__);
- ret = -1;
- break;
- }
+ if (!argc)
+ goto do_action_list;
- if (parse_config_arg(arg, &var, &value) < 0) {
- free(arg);
- ret = -1;
- break;
- }
+ for (i = 0; argv[i]; i++) {
+ char *var, *value;
+ char *arg = strdup(argv[i]);
- if (value == NULL)
- ret = show_spec_config(set, var);
- else {
- const char *config_filename = config_exclusive_filename;
+ if (!arg) {
+ pr_err("%s: strdup failed\n", __func__);
+ goto out_err;
+ }
- if (!config_exclusive_filename)
- config_filename = user_config;
- ret = set_config(set, config_filename, var, value);
- }
+ if (parse_config_arg(arg, &var, &value) < 0) {
free(arg);
+ goto out_err;
+ }
+
+ if (value == NULL) {
+ if (show_spec_config(set, var) < 0) {
+ pr_err("%s is not configured: %s\n",
+ var, config_filename);
+ free(arg);
+ goto out_err;
+ }
+ } else {
+ if (perf_config_set__collect(set, config_filename,
+ var, value) < 0) {
+ pr_err("Failed to add '%s=%s'\n",
+ var, value);
+ free(arg);
+ goto out_err;
+ }
+ changed = true;
}
- } else
- usage_with_options(config_usage, config_options);
+ free(arg);
+ }
+
+ if (!changed)
+ break;
+
+ if (set_config(set, config_filename) < 0) {
+ pr_err("Failed to set the configs on %s\n",
+ config_filename);
+ goto out_err;
+ }
}
- perf_config_set__delete(set);
+ ret = 0;
out_err:
+ perf_config_set__delete(set);
return ret;
}
diff --git a/tools/perf/builtin-daemon.c b/tools/perf/builtin-daemon.c
new file mode 100644
index 000000000000..f0568431fbd5
--- /dev/null
+++ b/tools/perf/builtin-daemon.c
@@ -0,0 +1,1545 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <internal/lib.h>
+#include <inttypes.h>
+#include <subcmd/parse-options.h>
+#include <api/fd/array.h>
+#include <api/fs/fs.h>
+#include <linux/zalloc.h>
+#include <linux/string.h>
+#include <linux/limits.h>
+#include <string.h>
+#include <sys/file.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <time.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/inotify.h>
+#include <libgen.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/stat.h>
+#include <sys/signalfd.h>
+#include <sys/wait.h>
+#include <poll.h>
+#include "builtin.h"
+#include "perf.h"
+#include "debug.h"
+#include "config.h"
+#include "util.h"
+
+#define SESSION_OUTPUT "output"
+#define SESSION_CONTROL "control"
+#define SESSION_ACK "ack"
+
+/*
+ * Session states:
+ *
+ * OK - session is up and running
+ * RECONFIG - session is pending for reconfiguration,
+ * new values are already loaded in session object
+ * KILL - session is pending to be killed
+ *
+ * Session object life and its state is maintained by
+ * following functions:
+ *
+ * setup_server_config
+ * - reads config file and setup session objects
+ * with following states:
+ *
+ * OK - no change needed
+ * RECONFIG - session needs to be changed
+ * (run variable changed)
+ * KILL - session needs to be killed
+ * (session is no longer in config file)
+ *
+ * daemon__reconfig
+ * - scans session objects and does following actions
+ * for states:
+ *
+ * OK - skip
+ * RECONFIG - session is killed and re-run with new config
+ * KILL - session is killed
+ *
+ * - all sessions have OK state on the function exit
+ */
+enum daemon_session_state {
+ OK,
+ RECONFIG,
+ KILL,
+};
+
+struct daemon_session {
+ char *base;
+ char *name;
+ char *run;
+ char *control;
+ int pid;
+ struct list_head list;
+ enum daemon_session_state state;
+ time_t start;
+};
+
+struct daemon {
+ const char *config;
+ char *config_real;
+ char *config_base;
+ const char *csv_sep;
+ const char *base_user;
+ char *base;
+ struct list_head sessions;
+ FILE *out;
+ char *perf;
+ int signal_fd;
+ time_t start;
+};
+
+static struct daemon __daemon = {
+ .sessions = LIST_HEAD_INIT(__daemon.sessions),
+};
+
+static const char * const daemon_usage[] = {
+ "perf daemon {start|signal|stop|ping} [<options>]",
+ "perf daemon [<options>]",
+ NULL
+};
+
+static volatile sig_atomic_t done;
+
+static void sig_handler(int sig __maybe_unused)
+{
+ done = true;
+}
+
+static struct daemon_session *daemon__add_session(struct daemon *config, char *name)
+{
+ struct daemon_session *session = zalloc(sizeof(*session));
+
+ if (!session)
+ return NULL;
+
+ session->name = strdup(name);
+ if (!session->name) {
+ free(session);
+ return NULL;
+ }
+
+ session->pid = -1;
+ list_add_tail(&session->list, &config->sessions);
+ return session;
+}
+
+static struct daemon_session *daemon__find_session(struct daemon *daemon, char *name)
+{
+ struct daemon_session *session;
+
+ list_for_each_entry(session, &daemon->sessions, list) {
+ if (!strcmp(session->name, name))
+ return session;
+ }
+
+ return NULL;
+}
+
+static int get_session_name(const char *var, char *session, int len)
+{
+ const char *p = var + sizeof("session-") - 1;
+
+ while (*p != '.' && *p != 0x0 && len--)
+ *session++ = *p++;
+
+ *session = 0;
+ return *p == '.' ? 0 : -EINVAL;
+}
+
+static int session_config(struct daemon *daemon, const char *var, const char *value)
+{
+ struct daemon_session *session;
+ char name[100];
+
+ if (get_session_name(var, name, sizeof(name) - 1))
+ return -EINVAL;
+
+ var = strchr(var, '.');
+ if (!var)
+ return -EINVAL;
+
+ var++;
+
+ session = daemon__find_session(daemon, name);
+
+ if (!session) {
+ /* New session is defined. */
+ session = daemon__add_session(daemon, name);
+ if (!session)
+ return -ENOMEM;
+
+ pr_debug("reconfig: found new session %s\n", name);
+
+ /* Trigger reconfig to start it. */
+ session->state = RECONFIG;
+ } else if (session->state == KILL) {
+ /* Current session is defined, no action needed. */
+ pr_debug("reconfig: found current session %s\n", name);
+ session->state = OK;
+ }
+
+ if (!strcmp(var, "run")) {
+ bool same = false;
+
+ if (session->run)
+ same = !strcmp(session->run, value);
+
+ if (!same) {
+ if (session->run) {
+ zfree(&session->run);
+ pr_debug("reconfig: session %s is changed\n", name);
+ }
+
+ session->run = strdup(value);
+ if (!session->run)
+ return -ENOMEM;
+
+ /*
+ * Either new or changed run value is defined,
+ * trigger reconfig for the session.
+ */
+ session->state = RECONFIG;
+ }
+ }
+
+ return 0;
+}
+
+static int server_config(const char *var, const char *value, void *cb)
+{
+ struct daemon *daemon = cb;
+
+ if (strstarts(var, "session-")) {
+ return session_config(daemon, var, value);
+ } else if (!strcmp(var, "daemon.base") && !daemon->base_user) {
+ if (daemon->base && strcmp(daemon->base, value)) {
+ pr_err("failed: can't redefine base, bailing out\n");
+ return -EINVAL;
+ }
+ daemon->base = strdup(value);
+ if (!daemon->base)
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static int client_config(const char *var, const char *value, void *cb)
+{
+ struct daemon *daemon = cb;
+
+ if (!strcmp(var, "daemon.base") && !daemon->base_user) {
+ daemon->base = strdup(value);
+ if (!daemon->base)
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static int check_base(struct daemon *daemon)
+{
+ struct stat st;
+
+ if (!daemon->base) {
+ pr_err("failed: base not defined\n");
+ return -EINVAL;
+ }
+
+ if (stat(daemon->base, &st)) {
+ switch (errno) {
+ case EACCES:
+ pr_err("failed: permission denied for '%s' base\n",
+ daemon->base);
+ return -EACCES;
+ case ENOENT:
+ pr_err("failed: base '%s' does not exists\n",
+ daemon->base);
+ return -EACCES;
+ default:
+ pr_err("failed: can't access base '%s': %s\n",
+ daemon->base, strerror(errno));
+ return -errno;
+ }
+ }
+
+ if ((st.st_mode & S_IFMT) != S_IFDIR) {
+ pr_err("failed: base '%s' is not directory\n",
+ daemon->base);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int setup_client_config(struct daemon *daemon)
+{
+ struct perf_config_set *set = perf_config_set__load_file(daemon->config_real);
+ int err = -ENOMEM;
+
+ if (set) {
+ err = perf_config_set(set, client_config, daemon);
+ perf_config_set__delete(set);
+ }
+
+ return err ?: check_base(daemon);
+}
+
+static int setup_server_config(struct daemon *daemon)
+{
+ struct perf_config_set *set;
+ struct daemon_session *session;
+ int err = -ENOMEM;
+
+ pr_debug("reconfig: started\n");
+
+ /*
+ * Mark all sessions for kill, the server config
+ * will set following states, see explanation at
+ * enum daemon_session_state declaration.
+ */
+ list_for_each_entry(session, &daemon->sessions, list)
+ session->state = KILL;
+
+ set = perf_config_set__load_file(daemon->config_real);
+ if (set) {
+ err = perf_config_set(set, server_config, daemon);
+ perf_config_set__delete(set);
+ }
+
+ return err ?: check_base(daemon);
+}
+
+static int daemon_session__run(struct daemon_session *session,
+ struct daemon *daemon)
+{
+ char buf[PATH_MAX];
+ char **argv;
+ int argc, fd;
+
+ if (asprintf(&session->base, "%s/session-%s",
+ daemon->base, session->name) < 0) {
+ perror("failed: asprintf");
+ return -1;
+ }
+
+ if (mkdir(session->base, 0755) && errno != EEXIST) {
+ perror("failed: mkdir");
+ return -1;
+ }
+
+ session->start = time(NULL);
+
+ session->pid = fork();
+ if (session->pid < 0)
+ return -1;
+ if (session->pid > 0) {
+ pr_info("reconfig: ruining session [%s:%d]: %s\n",
+ session->name, session->pid, session->run);
+ return 0;
+ }
+
+ if (chdir(session->base)) {
+ perror("failed: chdir");
+ return -1;
+ }
+
+ fd = open("/dev/null", O_RDONLY);
+ if (fd < 0) {
+ perror("failed: open /dev/null");
+ return -1;
+ }
+
+ dup2(fd, 0);
+ close(fd);
+
+ fd = open(SESSION_OUTPUT, O_RDWR|O_CREAT|O_TRUNC, 0644);
+ if (fd < 0) {
+ perror("failed: open session output");
+ return -1;
+ }
+
+ dup2(fd, 1);
+ dup2(fd, 2);
+ close(fd);
+
+ if (mkfifo(SESSION_CONTROL, 0600) && errno != EEXIST) {
+ perror("failed: create control fifo");
+ return -1;
+ }
+
+ if (mkfifo(SESSION_ACK, 0600) && errno != EEXIST) {
+ perror("failed: create ack fifo");
+ return -1;
+ }
+
+ scnprintf(buf, sizeof(buf), "%s record --control=fifo:%s,%s %s",
+ daemon->perf, SESSION_CONTROL, SESSION_ACK, session->run);
+
+ argv = argv_split(buf, &argc);
+ if (!argv)
+ exit(-1);
+
+ exit(execve(daemon->perf, argv, NULL));
+ return -1;
+}
+
+static pid_t handle_signalfd(struct daemon *daemon)
+{
+ struct daemon_session *session;
+ struct signalfd_siginfo si;
+ ssize_t err;
+ int status;
+ pid_t pid;
+
+ /*
+ * Take signal fd data as pure signal notification and check all
+ * the sessions state. The reason is that multiple signals can get
+ * coalesced in kernel and we can receive only single signal even
+ * if multiple SIGCHLD were generated.
+ */
+ err = read(daemon->signal_fd, &si, sizeof(struct signalfd_siginfo));
+ if (err != sizeof(struct signalfd_siginfo)) {
+ pr_err("failed to read signal fd\n");
+ return -1;
+ }
+
+ list_for_each_entry(session, &daemon->sessions, list) {
+ if (session->pid == -1)
+ continue;
+
+ pid = waitpid(session->pid, &status, WNOHANG);
+ if (pid <= 0)
+ continue;
+
+ if (WIFEXITED(status)) {
+ pr_info("session '%s' exited, status=%d\n",
+ session->name, WEXITSTATUS(status));
+ } else if (WIFSIGNALED(status)) {
+ pr_info("session '%s' killed (signal %d)\n",
+ session->name, WTERMSIG(status));
+ } else if (WIFSTOPPED(status)) {
+ pr_info("session '%s' stopped (signal %d)\n",
+ session->name, WSTOPSIG(status));
+ } else {
+ pr_info("session '%s' Unexpected status (0x%x)\n",
+ session->name, status);
+ }
+
+ session->state = KILL;
+ session->pid = -1;
+ }
+
+ return 0;
+}
+
+static int daemon_session__wait(struct daemon_session *session, struct daemon *daemon,
+ int secs)
+{
+ struct pollfd pollfd = {
+ .fd = daemon->signal_fd,
+ .events = POLLIN,
+ };
+ time_t start;
+
+ start = time(NULL);
+
+ do {
+ int err = poll(&pollfd, 1, 1000);
+
+ if (err > 0) {
+ handle_signalfd(daemon);
+ } else if (err < 0) {
+ perror("failed: poll\n");
+ return -1;
+ }
+
+ if (start + secs < time(NULL))
+ return -1;
+ } while (session->pid != -1);
+
+ return 0;
+}
+
+static bool daemon__has_alive_session(struct daemon *daemon)
+{
+ struct daemon_session *session;
+
+ list_for_each_entry(session, &daemon->sessions, list) {
+ if (session->pid != -1)
+ return true;
+ }
+
+ return false;
+}
+
+static int daemon__wait(struct daemon *daemon, int secs)
+{
+ struct pollfd pollfd = {
+ .fd = daemon->signal_fd,
+ .events = POLLIN,
+ };
+ time_t start;
+
+ start = time(NULL);
+
+ do {
+ int err = poll(&pollfd, 1, 1000);
+
+ if (err > 0) {
+ handle_signalfd(daemon);
+ } else if (err < 0) {
+ perror("failed: poll\n");
+ return -1;
+ }
+
+ if (start + secs < time(NULL))
+ return -1;
+ } while (daemon__has_alive_session(daemon));
+
+ return 0;
+}
+
+static int daemon_session__control(struct daemon_session *session,
+ const char *msg, bool do_ack)
+{
+ struct pollfd pollfd = { .events = POLLIN, };
+ char control_path[PATH_MAX];
+ char ack_path[PATH_MAX];
+ int control, ack = -1, len;
+ char buf[20];
+ int ret = -1;
+ ssize_t err;
+
+ /* open the control file */
+ scnprintf(control_path, sizeof(control_path), "%s/%s",
+ session->base, SESSION_CONTROL);
+
+ control = open(control_path, O_WRONLY|O_NONBLOCK);
+ if (control < 0)
+ return -1;
+
+ if (do_ack) {
+ /* open the ack file */
+ scnprintf(ack_path, sizeof(ack_path), "%s/%s",
+ session->base, SESSION_ACK);
+
+ ack = open(ack_path, O_RDONLY, O_NONBLOCK);
+ if (ack < 0) {
+ close(control);
+ return -1;
+ }
+ }
+
+ /* write the command */
+ len = strlen(msg);
+
+ err = writen(control, msg, len);
+ if (err != len) {
+ pr_err("failed: write to control pipe: %d (%s)\n",
+ errno, control_path);
+ goto out;
+ }
+
+ if (!do_ack)
+ goto out;
+
+ /* wait for an ack */
+ pollfd.fd = ack;
+
+ if (!poll(&pollfd, 1, 2000)) {
+ pr_err("failed: control ack timeout\n");
+ goto out;
+ }
+
+ if (!(pollfd.revents & POLLIN)) {
+ pr_err("failed: did not received an ack\n");
+ goto out;
+ }
+
+ err = read(ack, buf, sizeof(buf));
+ if (err > 0)
+ ret = strcmp(buf, "ack\n");
+ else
+ perror("failed: read ack %d\n");
+
+out:
+ if (ack != -1)
+ close(ack);
+
+ close(control);
+ return ret;
+}
+
+static int setup_server_socket(struct daemon *daemon)
+{
+ struct sockaddr_un addr;
+ char path[PATH_MAX];
+ int fd = socket(AF_UNIX, SOCK_STREAM, 0);
+
+ if (fd < 0) {
+ fprintf(stderr, "socket: %s\n", strerror(errno));
+ return -1;
+ }
+
+ if (fcntl(fd, F_SETFD, FD_CLOEXEC)) {
+ perror("failed: fcntl FD_CLOEXEC");
+ close(fd);
+ return -1;
+ }
+
+ scnprintf(path, sizeof(path), "%s/control", daemon->base);
+
+ if (strlen(path) + 1 >= sizeof(addr.sun_path)) {
+ pr_err("failed: control path too long '%s'\n", path);
+ close(fd);
+ return -1;
+ }
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+
+ strlcpy(addr.sun_path, path, sizeof(addr.sun_path) - 1);
+ unlink(path);
+
+ if (bind(fd, (struct sockaddr *)&addr, sizeof(addr)) == -1) {
+ perror("failed: bind");
+ close(fd);
+ return -1;
+ }
+
+ if (listen(fd, 1) == -1) {
+ perror("failed: listen");
+ close(fd);
+ return -1;
+ }
+
+ return fd;
+}
+
+enum {
+ CMD_LIST = 0,
+ CMD_SIGNAL = 1,
+ CMD_STOP = 2,
+ CMD_PING = 3,
+ CMD_MAX,
+};
+
+#define SESSION_MAX 64
+
+union cmd {
+ int cmd;
+
+ /* CMD_LIST */
+ struct {
+ int cmd;
+ int verbose;
+ char csv_sep;
+ } list;
+
+ /* CMD_SIGNAL */
+ struct {
+ int cmd;
+ int sig;
+ char name[SESSION_MAX];
+ } signal;
+
+ /* CMD_PING */
+ struct {
+ int cmd;
+ char name[SESSION_MAX];
+ } ping;
+};
+
+enum {
+ PING_OK = 0,
+ PING_FAIL = 1,
+ PING_MAX,
+};
+
+static int daemon_session__ping(struct daemon_session *session)
+{
+ return daemon_session__control(session, "ping", true) ? PING_FAIL : PING_OK;
+}
+
+static int cmd_session_list(struct daemon *daemon, union cmd *cmd, FILE *out)
+{
+ char csv_sep = cmd->list.csv_sep;
+ struct daemon_session *session;
+ time_t curr = time(NULL);
+
+ if (csv_sep) {
+ fprintf(out, "%d%c%s%c%s%c%s/%s",
+ /* pid daemon */
+ getpid(), csv_sep, "daemon",
+ /* base */
+ csv_sep, daemon->base,
+ /* output */
+ csv_sep, daemon->base, SESSION_OUTPUT);
+
+ fprintf(out, "%c%s/%s",
+ /* lock */
+ csv_sep, daemon->base, "lock");
+
+ fprintf(out, "%c%" PRIu64,
+ /* session up time */
+ csv_sep, (uint64_t)((curr - daemon->start) / 60));
+
+ fprintf(out, "\n");
+ } else {
+ fprintf(out, "[%d:daemon] base: %s\n", getpid(), daemon->base);
+ if (cmd->list.verbose) {
+ fprintf(out, " output: %s/%s\n",
+ daemon->base, SESSION_OUTPUT);
+ fprintf(out, " lock: %s/lock\n",
+ daemon->base);
+ fprintf(out, " up: %" PRIu64 " minutes\n",
+ (uint64_t)((curr - daemon->start) / 60));
+ }
+ }
+
+ list_for_each_entry(session, &daemon->sessions, list) {
+ if (csv_sep) {
+ fprintf(out, "%d%c%s%c%s",
+ /* pid */
+ session->pid,
+ /* name */
+ csv_sep, session->name,
+ /* base */
+ csv_sep, session->run);
+
+ fprintf(out, "%c%s%c%s/%s",
+ /* session dir */
+ csv_sep, session->base,
+ /* session output */
+ csv_sep, session->base, SESSION_OUTPUT);
+
+ fprintf(out, "%c%s/%s%c%s/%s",
+ /* session control */
+ csv_sep, session->base, SESSION_CONTROL,
+ /* session ack */
+ csv_sep, session->base, SESSION_ACK);
+
+ fprintf(out, "%c%" PRIu64,
+ /* session up time */
+ csv_sep, (uint64_t)((curr - session->start) / 60));
+
+ fprintf(out, "\n");
+ } else {
+ fprintf(out, "[%d:%s] perf record %s\n",
+ session->pid, session->name, session->run);
+ if (!cmd->list.verbose)
+ continue;
+ fprintf(out, " base: %s\n",
+ session->base);
+ fprintf(out, " output: %s/%s\n",
+ session->base, SESSION_OUTPUT);
+ fprintf(out, " control: %s/%s\n",
+ session->base, SESSION_CONTROL);
+ fprintf(out, " ack: %s/%s\n",
+ session->base, SESSION_ACK);
+ fprintf(out, " up: %" PRIu64 " minutes\n",
+ (uint64_t)((curr - session->start) / 60));
+ }
+ }
+
+ return 0;
+}
+
+static int daemon_session__signal(struct daemon_session *session, int sig)
+{
+ if (session->pid < 0)
+ return -1;
+ return kill(session->pid, sig);
+}
+
+static int cmd_session_kill(struct daemon *daemon, union cmd *cmd, FILE *out)
+{
+ struct daemon_session *session;
+ bool all = false;
+
+ all = !strcmp(cmd->signal.name, "all");
+
+ list_for_each_entry(session, &daemon->sessions, list) {
+ if (all || !strcmp(cmd->signal.name, session->name)) {
+ daemon_session__signal(session, cmd->signal.sig);
+ fprintf(out, "signal %d sent to session '%s [%d]'\n",
+ cmd->signal.sig, session->name, session->pid);
+ }
+ }
+
+ return 0;
+}
+
+static const char *ping_str[PING_MAX] = {
+ [PING_OK] = "OK",
+ [PING_FAIL] = "FAIL",
+};
+
+static int cmd_session_ping(struct daemon *daemon, union cmd *cmd, FILE *out)
+{
+ struct daemon_session *session;
+ bool all = false, found = false;
+
+ all = !strcmp(cmd->ping.name, "all");
+
+ list_for_each_entry(session, &daemon->sessions, list) {
+ if (all || !strcmp(cmd->ping.name, session->name)) {
+ int state = daemon_session__ping(session);
+
+ fprintf(out, "%-4s %s\n", ping_str[state], session->name);
+ found = true;
+ }
+ }
+
+ if (!found && !all) {
+ fprintf(out, "%-4s %s (not found)\n",
+ ping_str[PING_FAIL], cmd->ping.name);
+ }
+ return 0;
+}
+
+static int handle_server_socket(struct daemon *daemon, int sock_fd)
+{
+ int ret = -1, fd;
+ FILE *out = NULL;
+ union cmd cmd;
+
+ fd = accept(sock_fd, NULL, NULL);
+ if (fd < 0) {
+ perror("failed: accept");
+ return -1;
+ }
+
+ if (sizeof(cmd) != readn(fd, &cmd, sizeof(cmd))) {
+ perror("failed: read");
+ goto out;
+ }
+
+ out = fdopen(fd, "w");
+ if (!out) {
+ perror("failed: fdopen");
+ goto out;
+ }
+
+ switch (cmd.cmd) {
+ case CMD_LIST:
+ ret = cmd_session_list(daemon, &cmd, out);
+ break;
+ case CMD_SIGNAL:
+ ret = cmd_session_kill(daemon, &cmd, out);
+ break;
+ case CMD_STOP:
+ done = 1;
+ ret = 0;
+ pr_debug("perf daemon is exciting\n");
+ break;
+ case CMD_PING:
+ ret = cmd_session_ping(daemon, &cmd, out);
+ break;
+ default:
+ break;
+ }
+
+ fclose(out);
+out:
+ /* If out is defined, then fd is closed via fclose. */
+ if (!out)
+ close(fd);
+ return ret;
+}
+
+static int setup_client_socket(struct daemon *daemon)
+{
+ struct sockaddr_un addr;
+ char path[PATH_MAX];
+ int fd = socket(AF_UNIX, SOCK_STREAM, 0);
+
+ if (fd == -1) {
+ perror("failed: socket");
+ return -1;
+ }
+
+ scnprintf(path, sizeof(path), "%s/control", daemon->base);
+
+ if (strlen(path) + 1 >= sizeof(addr.sun_path)) {
+ pr_err("failed: control path too long '%s'\n", path);
+ close(fd);
+ return -1;
+ }
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+ strlcpy(addr.sun_path, path, sizeof(addr.sun_path) - 1);
+
+ if (connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) {
+ perror("failed: connect");
+ close(fd);
+ return -1;
+ }
+
+ return fd;
+}
+
+static void daemon_session__kill(struct daemon_session *session,
+ struct daemon *daemon)
+{
+ int how = 0;
+
+ do {
+ switch (how) {
+ case 0:
+ daemon_session__control(session, "stop", false);
+ break;
+ case 1:
+ daemon_session__signal(session, SIGTERM);
+ break;
+ case 2:
+ daemon_session__signal(session, SIGKILL);
+ break;
+ default:
+ pr_err("failed to wait for session %s\n",
+ session->name);
+ return;
+ }
+ how++;
+
+ } while (daemon_session__wait(session, daemon, 10));
+}
+
+static void daemon__signal(struct daemon *daemon, int sig)
+{
+ struct daemon_session *session;
+
+ list_for_each_entry(session, &daemon->sessions, list)
+ daemon_session__signal(session, sig);
+}
+
+static void daemon_session__delete(struct daemon_session *session)
+{
+ zfree(&session->base);
+ zfree(&session->name);
+ zfree(&session->run);
+ free(session);
+}
+
+static void daemon_session__remove(struct daemon_session *session)
+{
+ list_del(&session->list);
+ daemon_session__delete(session);
+}
+
+static void daemon__stop(struct daemon *daemon)
+{
+ struct daemon_session *session;
+
+ list_for_each_entry(session, &daemon->sessions, list)
+ daemon_session__control(session, "stop", false);
+}
+
+static void daemon__kill(struct daemon *daemon)
+{
+ int how = 0;
+
+ do {
+ switch (how) {
+ case 0:
+ daemon__stop(daemon);
+ break;
+ case 1:
+ daemon__signal(daemon, SIGTERM);
+ break;
+ case 2:
+ daemon__signal(daemon, SIGKILL);
+ break;
+ default:
+ pr_err("failed to wait for sessions\n");
+ return;
+ }
+ how++;
+
+ } while (daemon__wait(daemon, 10));
+}
+
+static void daemon__exit(struct daemon *daemon)
+{
+ struct daemon_session *session, *h;
+
+ list_for_each_entry_safe(session, h, &daemon->sessions, list)
+ daemon_session__remove(session);
+
+ zfree(&daemon->config_real);
+ zfree(&daemon->config_base);
+ zfree(&daemon->base);
+}
+
+static int daemon__reconfig(struct daemon *daemon)
+{
+ struct daemon_session *session, *n;
+
+ list_for_each_entry_safe(session, n, &daemon->sessions, list) {
+ /* No change. */
+ if (session->state == OK)
+ continue;
+
+ /* Remove session. */
+ if (session->state == KILL) {
+ if (session->pid > 0) {
+ daemon_session__kill(session, daemon);
+ pr_info("reconfig: session '%s' killed\n", session->name);
+ }
+ daemon_session__remove(session);
+ continue;
+ }
+
+ /* Reconfig session. */
+ if (session->pid > 0) {
+ daemon_session__kill(session, daemon);
+ pr_info("reconfig: session '%s' killed\n", session->name);
+ }
+ if (daemon_session__run(session, daemon))
+ return -1;
+
+ session->state = OK;
+ }
+
+ return 0;
+}
+
+static int setup_config_changes(struct daemon *daemon)
+{
+ char *basen = strdup(daemon->config_real);
+ char *dirn = strdup(daemon->config_real);
+ char *base, *dir;
+ int fd, wd = -1;
+
+ if (!dirn || !basen)
+ goto out;
+
+ fd = inotify_init1(IN_NONBLOCK|O_CLOEXEC);
+ if (fd < 0) {
+ perror("failed: inotify_init");
+ goto out;
+ }
+
+ dir = dirname(dirn);
+ base = basename(basen);
+ pr_debug("config file: %s, dir: %s\n", base, dir);
+
+ wd = inotify_add_watch(fd, dir, IN_CLOSE_WRITE);
+ if (wd >= 0) {
+ daemon->config_base = strdup(base);
+ if (!daemon->config_base) {
+ close(fd);
+ wd = -1;
+ }
+ } else {
+ perror("failed: inotify_add_watch");
+ }
+
+out:
+ free(basen);
+ free(dirn);
+ return wd < 0 ? -1 : fd;
+}
+
+static bool process_inotify_event(struct daemon *daemon, char *buf, ssize_t len)
+{
+ char *p = buf;
+
+ while (p < (buf + len)) {
+ struct inotify_event *event = (struct inotify_event *) p;
+
+ /*
+ * We monitor config directory, check if our
+ * config file was changes.
+ */
+ if ((event->mask & IN_CLOSE_WRITE) &&
+ !(event->mask & IN_ISDIR)) {
+ if (!strcmp(event->name, daemon->config_base))
+ return true;
+ }
+ p += sizeof(*event) + event->len;
+ }
+ return false;
+}
+
+static int handle_config_changes(struct daemon *daemon, int conf_fd,
+ bool *config_changed)
+{
+ char buf[4096];
+ ssize_t len;
+
+ while (!(*config_changed)) {
+ len = read(conf_fd, buf, sizeof(buf));
+ if (len == -1) {
+ if (errno != EAGAIN) {
+ perror("failed: read");
+ return -1;
+ }
+ return 0;
+ }
+ *config_changed = process_inotify_event(daemon, buf, len);
+ }
+ return 0;
+}
+
+static int setup_config(struct daemon *daemon)
+{
+ if (daemon->base_user) {
+ daemon->base = strdup(daemon->base_user);
+ if (!daemon->base)
+ return -ENOMEM;
+ }
+
+ if (daemon->config) {
+ char *real = realpath(daemon->config, NULL);
+
+ if (!real) {
+ perror("failed: realpath");
+ return -1;
+ }
+ daemon->config_real = real;
+ return 0;
+ }
+
+ if (perf_config_system() && !access(perf_etc_perfconfig(), R_OK))
+ daemon->config_real = strdup(perf_etc_perfconfig());
+ else if (perf_config_global() && perf_home_perfconfig())
+ daemon->config_real = strdup(perf_home_perfconfig());
+
+ return daemon->config_real ? 0 : -1;
+}
+
+#ifndef F_TLOCK
+#define F_TLOCK 2
+
+static int lockf(int fd, int cmd, off_t len)
+{
+ if (cmd != F_TLOCK || len != 0)
+ return -1;
+
+ return flock(fd, LOCK_EX | LOCK_NB);
+}
+#endif // F_TLOCK
+
+/*
+ * Each daemon tries to create and lock BASE/lock file,
+ * if it's successful we are sure we're the only daemon
+ * running over the BASE.
+ *
+ * Once daemon is finished, file descriptor to lock file
+ * is closed and lock is released.
+ */
+static int check_lock(struct daemon *daemon)
+{
+ char path[PATH_MAX];
+ char buf[20];
+ int fd, pid;
+ ssize_t len;
+
+ scnprintf(path, sizeof(path), "%s/lock", daemon->base);
+
+ fd = open(path, O_RDWR|O_CREAT|O_CLOEXEC, 0640);
+ if (fd < 0)
+ return -1;
+
+ if (lockf(fd, F_TLOCK, 0) < 0) {
+ filename__read_int(path, &pid);
+ fprintf(stderr, "failed: another perf daemon (pid %d) owns %s\n",
+ pid, daemon->base);
+ close(fd);
+ return -1;
+ }
+
+ scnprintf(buf, sizeof(buf), "%d", getpid());
+ len = strlen(buf);
+
+ if (write(fd, buf, len) != len) {
+ perror("failed: write");
+ close(fd);
+ return -1;
+ }
+
+ if (ftruncate(fd, len)) {
+ perror("failed: ftruncate");
+ close(fd);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int go_background(struct daemon *daemon)
+{
+ int pid, fd;
+
+ pid = fork();
+ if (pid < 0)
+ return -1;
+
+ if (pid > 0)
+ return 1;
+
+ if (setsid() < 0)
+ return -1;
+
+ if (check_lock(daemon))
+ return -1;
+
+ umask(0);
+
+ if (chdir(daemon->base)) {
+ perror("failed: chdir");
+ return -1;
+ }
+
+ fd = open("output", O_RDWR|O_CREAT|O_TRUNC, 0644);
+ if (fd < 0) {
+ perror("failed: open");
+ return -1;
+ }
+
+ if (fcntl(fd, F_SETFD, FD_CLOEXEC)) {
+ perror("failed: fcntl FD_CLOEXEC");
+ close(fd);
+ return -1;
+ }
+
+ close(0);
+ dup2(fd, 1);
+ dup2(fd, 2);
+ close(fd);
+
+ daemon->out = fdopen(1, "w");
+ if (!daemon->out) {
+ close(1);
+ close(2);
+ return -1;
+ }
+
+ setbuf(daemon->out, NULL);
+ return 0;
+}
+
+static int setup_signalfd(struct daemon *daemon)
+{
+ sigset_t mask;
+
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGCHLD);
+
+ if (sigprocmask(SIG_BLOCK, &mask, NULL) == -1)
+ return -1;
+
+ daemon->signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
+ return daemon->signal_fd;
+}
+
+static int __cmd_start(struct daemon *daemon, struct option parent_options[],
+ int argc, const char **argv)
+{
+ bool foreground = false;
+ struct option start_options[] = {
+ OPT_BOOLEAN('f', "foreground", &foreground, "stay on console"),
+ OPT_PARENT(parent_options),
+ OPT_END()
+ };
+ int sock_fd = -1, conf_fd = -1, signal_fd = -1;
+ int sock_pos, file_pos, signal_pos;
+ struct fdarray fda;
+ int err = 0;
+
+ argc = parse_options(argc, argv, start_options, daemon_usage, 0);
+ if (argc)
+ usage_with_options(daemon_usage, start_options);
+
+ daemon->start = time(NULL);
+
+ if (setup_config(daemon)) {
+ pr_err("failed: config not found\n");
+ return -1;
+ }
+
+ if (setup_server_config(daemon))
+ return -1;
+
+ if (foreground && check_lock(daemon))
+ return -1;
+
+ if (!foreground) {
+ err = go_background(daemon);
+ if (err) {
+ /* original process, exit normally */
+ if (err == 1)
+ err = 0;
+ daemon__exit(daemon);
+ return err;
+ }
+ }
+
+ debug_set_file(daemon->out);
+ debug_set_display_time(true);
+
+ pr_info("daemon started (pid %d)\n", getpid());
+
+ fdarray__init(&fda, 3);
+
+ sock_fd = setup_server_socket(daemon);
+ if (sock_fd < 0)
+ goto out;
+
+ conf_fd = setup_config_changes(daemon);
+ if (conf_fd < 0)
+ goto out;
+
+ signal_fd = setup_signalfd(daemon);
+ if (signal_fd < 0)
+ goto out;
+
+ sock_pos = fdarray__add(&fda, sock_fd, POLLIN|POLLERR|POLLHUP, 0);
+ if (sock_pos < 0)
+ goto out;
+
+ file_pos = fdarray__add(&fda, conf_fd, POLLIN|POLLERR|POLLHUP, 0);
+ if (file_pos < 0)
+ goto out;
+
+ signal_pos = fdarray__add(&fda, signal_fd, POLLIN|POLLERR|POLLHUP, 0);
+ if (signal_pos < 0)
+ goto out;
+
+ signal(SIGINT, sig_handler);
+ signal(SIGTERM, sig_handler);
+ signal(SIGPIPE, SIG_IGN);
+
+ while (!done && !err) {
+ err = daemon__reconfig(daemon);
+
+ if (!err && fdarray__poll(&fda, -1)) {
+ bool reconfig = false;
+
+ if (fda.entries[sock_pos].revents & POLLIN)
+ err = handle_server_socket(daemon, sock_fd);
+ if (fda.entries[file_pos].revents & POLLIN)
+ err = handle_config_changes(daemon, conf_fd, &reconfig);
+ if (fda.entries[signal_pos].revents & POLLIN)
+ err = handle_signalfd(daemon) < 0;
+
+ if (reconfig)
+ err = setup_server_config(daemon);
+ }
+ }
+
+out:
+ fdarray__exit(&fda);
+
+ daemon__kill(daemon);
+ daemon__exit(daemon);
+
+ if (sock_fd != -1)
+ close(sock_fd);
+ if (conf_fd != -1)
+ close(conf_fd);
+ if (signal_fd != -1)
+ close(signal_fd);
+
+ pr_info("daemon exited\n");
+ fclose(daemon->out);
+ return err;
+}
+
+static int send_cmd(struct daemon *daemon, union cmd *cmd)
+{
+ int ret = -1, fd;
+ char *line = NULL;
+ size_t len = 0;
+ ssize_t nread;
+ FILE *in = NULL;
+
+ if (setup_client_config(daemon))
+ return -1;
+
+ fd = setup_client_socket(daemon);
+ if (fd < 0)
+ return -1;
+
+ if (sizeof(*cmd) != writen(fd, cmd, sizeof(*cmd))) {
+ perror("failed: write");
+ goto out;
+ }
+
+ in = fdopen(fd, "r");
+ if (!in) {
+ perror("failed: fdopen");
+ goto out;
+ }
+
+ while ((nread = getline(&line, &len, in)) != -1) {
+ if (fwrite(line, nread, 1, stdout) != 1)
+ goto out_fclose;
+ fflush(stdout);
+ }
+
+ ret = 0;
+out_fclose:
+ fclose(in);
+ free(line);
+out:
+ /* If in is defined, then fd is closed via fclose. */
+ if (!in)
+ close(fd);
+ return ret;
+}
+
+static int send_cmd_list(struct daemon *daemon)
+{
+ union cmd cmd;
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.list.cmd = CMD_LIST;
+ cmd.list.verbose = verbose;
+ cmd.list.csv_sep = daemon->csv_sep ? *daemon->csv_sep : 0;
+
+ return send_cmd(daemon, &cmd);
+}
+
+static int __cmd_signal(struct daemon *daemon, struct option parent_options[],
+ int argc, const char **argv)
+{
+ const char *name = "all";
+ struct option start_options[] = {
+ OPT_STRING(0, "session", &name, "session",
+ "Sent signal to specific session"),
+ OPT_PARENT(parent_options),
+ OPT_END()
+ };
+ union cmd cmd;
+
+ argc = parse_options(argc, argv, start_options, daemon_usage, 0);
+ if (argc)
+ usage_with_options(daemon_usage, start_options);
+
+ if (setup_config(daemon)) {
+ pr_err("failed: config not found\n");
+ return -1;
+ }
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.signal.cmd = CMD_SIGNAL;
+ cmd.signal.sig = SIGUSR2;
+ strncpy(cmd.signal.name, name, sizeof(cmd.signal.name) - 1);
+
+ return send_cmd(daemon, &cmd);
+}
+
+static int __cmd_stop(struct daemon *daemon, struct option parent_options[],
+ int argc, const char **argv)
+{
+ struct option start_options[] = {
+ OPT_PARENT(parent_options),
+ OPT_END()
+ };
+ union cmd cmd;
+
+ argc = parse_options(argc, argv, start_options, daemon_usage, 0);
+ if (argc)
+ usage_with_options(daemon_usage, start_options);
+
+ if (setup_config(daemon)) {
+ pr_err("failed: config not found\n");
+ return -1;
+ }
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.cmd = CMD_STOP;
+ return send_cmd(daemon, &cmd);
+}
+
+static int __cmd_ping(struct daemon *daemon, struct option parent_options[],
+ int argc, const char **argv)
+{
+ const char *name = "all";
+ struct option ping_options[] = {
+ OPT_STRING(0, "session", &name, "session",
+ "Ping to specific session"),
+ OPT_PARENT(parent_options),
+ OPT_END()
+ };
+ union cmd cmd;
+
+ argc = parse_options(argc, argv, ping_options, daemon_usage, 0);
+ if (argc)
+ usage_with_options(daemon_usage, ping_options);
+
+ if (setup_config(daemon)) {
+ pr_err("failed: config not found\n");
+ return -1;
+ }
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.cmd = CMD_PING;
+ scnprintf(cmd.ping.name, sizeof(cmd.ping.name), "%s", name);
+ return send_cmd(daemon, &cmd);
+}
+
+static char *alloc_perf_exe_path(void)
+{
+ char path[PATH_MAX];
+
+ perf_exe(path, sizeof(path));
+ return strdup(path);
+}
+
+int cmd_daemon(int argc, const char **argv)
+{
+ struct option daemon_options[] = {
+ OPT_INCR('v', "verbose", &verbose, "be more verbose"),
+ OPT_STRING(0, "config", &__daemon.config,
+ "config file", "config file path"),
+ OPT_STRING(0, "base", &__daemon.base_user,
+ "directory", "base directory"),
+ OPT_STRING_OPTARG('x', "field-separator", &__daemon.csv_sep,
+ "field separator", "print counts with custom separator", ","),
+ OPT_END()
+ };
+ int ret = -1;
+
+ __daemon.perf = alloc_perf_exe_path();
+ if (!__daemon.perf)
+ return -ENOMEM;
+
+ __daemon.out = stdout;
+
+ argc = parse_options(argc, argv, daemon_options, daemon_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION);
+
+ if (argc) {
+ if (!strcmp(argv[0], "start"))
+ ret = __cmd_start(&__daemon, daemon_options, argc, argv);
+ else if (!strcmp(argv[0], "signal"))
+ ret = __cmd_signal(&__daemon, daemon_options, argc, argv);
+ else if (!strcmp(argv[0], "stop"))
+ ret = __cmd_stop(&__daemon, daemon_options, argc, argv);
+ else if (!strcmp(argv[0], "ping"))
+ ret = __cmd_ping(&__daemon, daemon_options, argc, argv);
+ else
+ pr_err("failed: unknown command '%s'\n", argv[0]);
+ } else {
+ ret = setup_config(&__daemon);
+ if (ret)
+ pr_err("failed: config not found\n");
+ else
+ ret = send_cmd_list(&__daemon);
+ }
+ zfree(&__daemon.perf);
+ return ret;
+}
diff --git a/tools/perf/builtin-data.c b/tools/perf/builtin-data.c
index 0adb5f82335a..ce51cbf6dc97 100644
--- a/tools/perf/builtin-data.c
+++ b/tools/perf/builtin-data.c
@@ -1,10 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/compiler.h>
+#include <stdio.h>
+#include <string.h>
#include "builtin.h"
-#include "perf.h"
#include "debug.h"
#include <subcmd/parse-options.h>
#include "data-convert.h"
-#include "data-convert-bt.h"
+#include "util/util.h"
typedef int (*data_cmd_fn_t)(int argc, const char **argv);
@@ -19,72 +21,70 @@ static struct data_cmd data_cmds[];
#define for_each_cmd(cmd) \
for (cmd = data_cmds; cmd && cmd->name; cmd++)
-static const struct option data_options[] = {
- OPT_END()
-};
-
static const char * const data_subcommands[] = { "convert", NULL };
static const char *data_usage[] = {
- "perf data [<common options>] <command> [<options>]",
+ "perf data convert [<options>]",
NULL
};
-static void print_usage(void)
-{
- struct data_cmd *cmd;
-
- printf("Usage:\n");
- printf("\t%s\n\n", data_usage[0]);
- printf("\tAvailable commands:\n");
-
- for_each_cmd(cmd) {
- printf("\t %s\t- %s\n", cmd->name, cmd->summary);
- }
-
- printf("\n");
-}
-
-static const char * const data_convert_usage[] = {
- "perf data convert [<options>]",
- NULL
+const char *to_json;
+const char *to_ctf;
+struct perf_data_convert_opts opts = {
+ .force = false,
+ .all = false,
};
-static int cmd_data_convert(int argc, const char **argv)
-{
- const char *to_ctf = NULL;
- struct perf_data_convert_opts opts = {
- .force = false,
- .all = false,
- };
- const struct option options[] = {
+const struct option data_options[] = {
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
OPT_STRING('i', "input", &input_name, "file", "input file name"),
+ OPT_STRING(0, "to-json", &to_json, NULL, "Convert to JSON format"),
#ifdef HAVE_LIBBABELTRACE_SUPPORT
OPT_STRING(0, "to-ctf", &to_ctf, NULL, "Convert to CTF format"),
+ OPT_BOOLEAN(0, "tod", &opts.tod, "Convert time to wall clock time"),
#endif
OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"),
OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"),
OPT_END()
};
-#ifndef HAVE_LIBBABELTRACE_SUPPORT
- pr_err("No conversion support compiled in.\n");
- return -1;
-#endif
+static int cmd_data_convert(int argc, const char **argv)
+{
- argc = parse_options(argc, argv, options,
- data_convert_usage, 0);
+ argc = parse_options(argc, argv, data_options,
+ data_usage, 0);
if (argc) {
- usage_with_options(data_convert_usage, options);
+ usage_with_options(data_usage, data_options);
return -1;
}
- if (to_ctf) {
+ if (to_json && to_ctf) {
+ pr_err("You cannot specify both --to-ctf and --to-json.\n");
+ return -1;
+ }
#ifdef HAVE_LIBBABELTRACE_SUPPORT
+ if (!to_json && !to_ctf) {
+ pr_err("You must specify one of --to-ctf or --to-json.\n");
+ return -1;
+ }
+#else
+ if (!to_json) {
+ pr_err("You must specify --to-json.\n");
+ return -1;
+}
+#endif
+
+ if (to_json)
+ return bt_convert__perf2json(input_name, to_json, &opts);
+
+ if (to_ctf) {
+#if defined(HAVE_LIBBABELTRACE_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
return bt_convert__perf2ctf(input_name, to_ctf, &opts);
#else
- pr_err("The libbabeltrace support is not compiled in.\n");
+ pr_err("The libbabeltrace support is not compiled in. perf should be "
+ "compiled with environment variables LIBBABELTRACE=1 and "
+ "LIBBABELTRACE_DIR=/path/to/libbabeltrace/.\n"
+ "Check also if libbtraceevent devel files are available.\n");
return -1;
#endif
}
@@ -102,14 +102,13 @@ int cmd_data(int argc, const char **argv)
struct data_cmd *cmd;
const char *cmdstr;
- /* No command specified. */
- if (argc < 2)
- goto usage;
-
argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
- if (argc < 1)
- goto usage;
+
+ if (!argc) {
+ usage_with_options(data_usage, data_options);
+ return -1;
+ }
cmdstr = argv[0];
@@ -121,7 +120,6 @@ int cmd_data(int argc, const char **argv)
}
pr_err("Unknown command: %s\n", cmdstr);
-usage:
- print_usage();
+ usage_with_options(data_usage, data_options);
return -1;
}
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index cd2605d86984..53d5ea4a6a4f 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* builtin-diff.c
*
@@ -5,6 +6,7 @@
* DSOs and symbol information, sort them and produce a diff.
*/
#include "builtin.h"
+#include "perf.h"
#include "util/debug.h"
#include "util/event.h"
@@ -14,14 +16,37 @@
#include "util/session.h"
#include "util/tool.h"
#include "util/sort.h"
+#include "util/srcline.h"
#include "util/symbol.h"
-#include "util/util.h"
#include "util/data.h"
#include "util/config.h"
+#include "util/time-utils.h"
+#include "util/annotate.h"
+#include "util/map.h"
+#include "util/spark.h"
+#include "util/block-info.h"
+#include "util/stream.h"
+#include "util/util.h"
+#include <linux/err.h>
+#include <linux/zalloc.h>
+#include <subcmd/pager.h>
+#include <subcmd/parse-options.h>
+#include <errno.h>
+#include <inttypes.h>
#include <stdlib.h>
#include <math.h>
+struct perf_diff {
+ struct perf_tool tool;
+ const char *time_str;
+ struct perf_time_interval *ptime_range;
+ int range_size;
+ int range_num;
+ bool has_br_stack;
+ bool stream;
+};
+
/* Diff command specific HPP columns. */
enum {
PERF_HPP_DIFF__BASELINE,
@@ -32,6 +57,8 @@ enum {
PERF_HPP_DIFF__WEIGHTED_DIFF,
PERF_HPP_DIFF__FORMULA,
PERF_HPP_DIFF__DELTA_ABS,
+ PERF_HPP_DIFF__CYCLES,
+ PERF_HPP_DIFF__CYCLES_HIST,
PERF_HPP_DIFF__MAX_INDEX
};
@@ -45,9 +72,10 @@ struct diff_hpp_fmt {
struct data__file {
struct perf_session *session;
- struct perf_data_file file;
+ struct perf_data data;
int idx;
struct hists *hists;
+ struct evlist_streams *evlist_streams;
struct diff_hpp_fmt fmt[PERF_HPP_DIFF__MAX_INDEX];
};
@@ -66,17 +94,23 @@ static bool force;
static bool show_period;
static bool show_formula;
static bool show_baseline_only;
+static bool cycles_hist;
static unsigned int sort_compute = 1;
static s64 compute_wdiff_w1;
static s64 compute_wdiff_w2;
+static const char *cpu_list;
+static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
+
enum {
COMPUTE_DELTA,
COMPUTE_RATIO,
COMPUTE_WEIGHTED_DIFF,
COMPUTE_DELTA_ABS,
+ COMPUTE_CYCLES,
COMPUTE_MAX,
+ COMPUTE_STREAM, /* After COMPUTE_MAX to avoid use current compute arrays */
};
const char *compute_names[COMPUTE_MAX] = {
@@ -84,6 +118,7 @@ const char *compute_names[COMPUTE_MAX] = {
[COMPUTE_DELTA_ABS] = "delta-abs",
[COMPUTE_RATIO] = "ratio",
[COMPUTE_WEIGHTED_DIFF] = "wdiff",
+ [COMPUTE_CYCLES] = "cycles",
};
static int compute = COMPUTE_DELTA_ABS;
@@ -93,6 +128,7 @@ static int compute_2_hpp[COMPUTE_MAX] = {
[COMPUTE_DELTA_ABS] = PERF_HPP_DIFF__DELTA_ABS,
[COMPUTE_RATIO] = PERF_HPP_DIFF__RATIO,
[COMPUTE_WEIGHTED_DIFF] = PERF_HPP_DIFF__WEIGHTED_DIFF,
+ [COMPUTE_CYCLES] = PERF_HPP_DIFF__CYCLES,
};
#define MAX_COL_WIDTH 70
@@ -131,6 +167,14 @@ static struct header_column {
[PERF_HPP_DIFF__FORMULA] = {
.name = "Formula",
.width = MAX_COL_WIDTH,
+ },
+ [PERF_HPP_DIFF__CYCLES] = {
+ .name = "[Program Block Range] Cycles Diff",
+ .width = 70,
+ },
+ [PERF_HPP_DIFF__CYCLES_HIST] = {
+ .name = "stddev/Hist",
+ .width = NUM_SPARKS + 9,
}
};
@@ -320,25 +364,93 @@ static int formula_fprintf(struct hist_entry *he, struct hist_entry *pair,
return -1;
}
-static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
+static void *block_hist_zalloc(size_t size)
+{
+ struct block_hist *bh;
+
+ bh = zalloc(size + sizeof(*bh));
+ if (!bh)
+ return NULL;
+
+ return &bh->he;
+}
+
+static void block_hist_free(void *he)
+{
+ struct block_hist *bh;
+
+ bh = container_of(he, struct block_hist, he);
+ hists__delete_entries(&bh->block_hists);
+ free(bh);
+}
+
+struct hist_entry_ops block_hist_ops = {
+ .new = block_hist_zalloc,
+ .free = block_hist_free,
+};
+
+static int diff__process_sample_event(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
+ struct perf_diff *pdiff = container_of(tool, struct perf_diff, tool);
struct addr_location al;
struct hists *hists = evsel__hists(evsel);
+ struct hist_entry_iter iter = {
+ .evsel = evsel,
+ .sample = sample,
+ .ops = &hist_iter_normal,
+ };
int ret = -1;
+ if (perf_time__ranges_skip_sample(pdiff->ptime_range, pdiff->range_num,
+ sample->time)) {
+ return 0;
+ }
+
+ addr_location__init(&al);
if (machine__resolve(machine, &al, sample) < 0) {
pr_warning("problem processing %d event, skipping it.\n",
event->header.type);
- return -1;
+ ret = -1;
+ goto out;
}
- if (!hists__add_entry(hists, &al, NULL, NULL, NULL, sample, true)) {
- pr_warning("problem incrementing symbol period, skipping event\n");
- goto out_put;
+ if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) {
+ ret = 0;
+ goto out;
+ }
+
+ switch (compute) {
+ case COMPUTE_CYCLES:
+ if (!hists__add_entry_ops(hists, &block_hist_ops, &al, NULL,
+ NULL, NULL, NULL, sample, true)) {
+ pr_warning("problem incrementing symbol period, "
+ "skipping event\n");
+ goto out;
+ }
+
+ hist__account_cycles(sample->branch_stack, &al, sample,
+ false, NULL, evsel);
+ break;
+
+ case COMPUTE_STREAM:
+ if (hist_entry_iter__add(&iter, &al, PERF_MAX_STACK_DEPTH,
+ NULL)) {
+ pr_debug("problem adding hist entry, skipping event\n");
+ goto out;
+ }
+ break;
+
+ default:
+ if (!hists__add_entry(hists, &al, NULL, NULL, NULL, NULL, sample,
+ true)) {
+ pr_warning("problem incrementing symbol period, "
+ "skipping event\n");
+ goto out;
+ }
}
/*
@@ -351,40 +463,29 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
if (!al.filtered)
hists->stats.total_non_filtered_period += sample->period;
ret = 0;
-out_put:
- addr_location__put(&al);
+out:
+ addr_location__exit(&al);
return ret;
}
-static struct perf_tool tool = {
- .sample = diff__process_sample_event,
- .mmap = perf_event__process_mmap,
- .mmap2 = perf_event__process_mmap2,
- .comm = perf_event__process_comm,
- .exit = perf_event__process_exit,
- .fork = perf_event__process_fork,
- .lost = perf_event__process_lost,
- .namespaces = perf_event__process_namespaces,
- .ordered_events = true,
- .ordering_requires_timestamps = true,
-};
+static struct perf_diff pdiff;
-static struct perf_evsel *evsel_match(struct perf_evsel *evsel,
- struct perf_evlist *evlist)
+static struct evsel *evsel_match(struct evsel *evsel, struct evlist *evlist)
{
- struct perf_evsel *e;
+ struct evsel *e;
evlist__for_each_entry(evlist, e) {
- if (perf_evsel__match2(evsel, e))
+ if ((evsel->core.attr.type == e->core.attr.type) &&
+ (evsel->core.attr.config == e->core.attr.config))
return e;
}
return NULL;
}
-static void perf_evlist__collapse_resort(struct perf_evlist *evlist)
+static void evlist__collapse_resort(struct evlist *evlist)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(evlist, evsel) {
struct hists *hists = evsel__hists(evsel);
@@ -426,7 +527,7 @@ get_pair_fmt(struct hist_entry *he, struct diff_hpp_fmt *dfmt)
static void hists__baseline_only(struct hists *hists)
{
- struct rb_root *root;
+ struct rb_root_cached *root;
struct rb_node *next;
if (hists__has(hists, need_collapse))
@@ -434,21 +535,143 @@ static void hists__baseline_only(struct hists *hists)
else
root = hists->entries_in;
- next = rb_first(root);
+ next = rb_first_cached(root);
while (next != NULL) {
struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node_in);
next = rb_next(&he->rb_node_in);
if (!hist_entry__next_pair(he)) {
- rb_erase(&he->rb_node_in, root);
+ rb_erase_cached(&he->rb_node_in, root);
hist_entry__delete(he);
}
}
}
+static int64_t block_cycles_diff_cmp(struct hist_entry *left,
+ struct hist_entry *right)
+{
+ bool pairs_left = hist_entry__has_pairs(left);
+ bool pairs_right = hist_entry__has_pairs(right);
+ s64 l, r;
+
+ if (!pairs_left && !pairs_right)
+ return 0;
+
+ l = llabs(left->diff.cycles);
+ r = llabs(right->diff.cycles);
+ return r - l;
+}
+
+static int64_t block_sort(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *left, struct hist_entry *right)
+{
+ return block_cycles_diff_cmp(right, left);
+}
+
+static void init_block_hist(struct block_hist *bh)
+{
+ __hists__init(&bh->block_hists, &bh->block_list);
+ perf_hpp_list__init(&bh->block_list);
+
+ INIT_LIST_HEAD(&bh->block_fmt.list);
+ INIT_LIST_HEAD(&bh->block_fmt.sort_list);
+ bh->block_fmt.cmp = block_info__cmp;
+ bh->block_fmt.sort = block_sort;
+ perf_hpp_list__register_sort_field(&bh->block_list,
+ &bh->block_fmt);
+ bh->valid = true;
+}
+
+static struct hist_entry *get_block_pair(struct hist_entry *he,
+ struct hists *hists_pair)
+{
+ struct rb_root_cached *root = hists_pair->entries_in;
+ struct rb_node *next = rb_first_cached(root);
+ int64_t cmp;
+
+ while (next != NULL) {
+ struct hist_entry *he_pair = rb_entry(next, struct hist_entry,
+ rb_node_in);
+
+ next = rb_next(&he_pair->rb_node_in);
+
+ cmp = __block_info__cmp(he_pair, he);
+ if (!cmp)
+ return he_pair;
+ }
+
+ return NULL;
+}
+
+static void init_spark_values(unsigned long *svals, int num)
+{
+ for (int i = 0; i < num; i++)
+ svals[i] = 0;
+}
+
+static void update_spark_value(unsigned long *svals, int num,
+ struct stats *stats, u64 val)
+{
+ int n = stats->n;
+
+ if (n < num)
+ svals[n] = val;
+}
+
+static void compute_cycles_diff(struct hist_entry *he,
+ struct hist_entry *pair)
+{
+ pair->diff.computed = true;
+ if (pair->block_info->num && he->block_info->num) {
+ pair->diff.cycles =
+ pair->block_info->cycles_aggr / pair->block_info->num_aggr -
+ he->block_info->cycles_aggr / he->block_info->num_aggr;
+
+ if (!cycles_hist)
+ return;
+
+ init_stats(&pair->diff.stats);
+ init_spark_values(pair->diff.svals, NUM_SPARKS);
+
+ for (int i = 0; i < pair->block_info->num; i++) {
+ u64 val;
+
+ if (i >= he->block_info->num || i >= NUM_SPARKS)
+ break;
+
+ val = llabs(pair->block_info->cycles_spark[i] -
+ he->block_info->cycles_spark[i]);
+
+ update_spark_value(pair->diff.svals, NUM_SPARKS,
+ &pair->diff.stats, val);
+ update_stats(&pair->diff.stats, val);
+ }
+ }
+}
+
+static void block_hists_match(struct hists *hists_base,
+ struct hists *hists_pair)
+{
+ struct rb_root_cached *root = hists_base->entries_in;
+ struct rb_node *next = rb_first_cached(root);
+
+ while (next != NULL) {
+ struct hist_entry *he = rb_entry(next, struct hist_entry,
+ rb_node_in);
+ struct hist_entry *pair = get_block_pair(he, hists_pair);
+
+ next = rb_next(&he->rb_node_in);
+
+ if (pair) {
+ hist_entry__add_pair(pair, he);
+ compute_cycles_diff(he, pair);
+ }
+ }
+}
+
static void hists__precompute(struct hists *hists)
{
- struct rb_root *root;
+ struct rb_root_cached *root;
struct rb_node *next;
if (hists__has(hists, need_collapse))
@@ -456,8 +679,9 @@ static void hists__precompute(struct hists *hists)
else
root = hists->entries_in;
- next = rb_first(root);
+ next = rb_first_cached(root);
while (next != NULL) {
+ struct block_hist *bh, *pair_bh;
struct hist_entry *he, *pair;
struct data__file *d;
int i;
@@ -465,6 +689,12 @@ static void hists__precompute(struct hists *hists)
he = rb_entry(next, struct hist_entry, rb_node_in);
next = rb_next(&he->rb_node_in);
+ if (compute == COMPUTE_CYCLES) {
+ bh = container_of(he, struct block_hist, he);
+ init_block_hist(bh);
+ block_info__process_sym(he, bh, NULL, 0, 0);
+ }
+
data__for_each_file_new(i, d) {
pair = get_pair_data(he, d);
if (!pair)
@@ -481,6 +711,21 @@ static void hists__precompute(struct hists *hists)
case COMPUTE_WEIGHTED_DIFF:
compute_wdiff(he, pair);
break;
+ case COMPUTE_CYCLES:
+ pair_bh = container_of(pair, struct block_hist,
+ he);
+ init_block_hist(pair_bh);
+ block_info__process_sym(pair, pair_bh, NULL, 0, 0);
+
+ bh = container_of(he, struct block_hist, he);
+
+ if (bh->valid && pair_bh->valid) {
+ block_hists_match(&bh->block_hists,
+ &pair_bh->block_hists);
+ hists__output_resort(&pair_bh->block_hists,
+ NULL);
+ }
+ break;
default:
BUG_ON(1);
}
@@ -692,8 +937,11 @@ static void hists__process(struct hists *hists)
hists__precompute(hists);
hists__output_resort(hists, NULL);
+ if (compute == COMPUTE_CYCLES)
+ symbol_conf.report_block = true;
+
hists__fprintf(hists, !quiet, 0, 0, 0, stdout,
- symbol_conf.use_callchain);
+ !symbol_conf.use_callchain);
}
static void data__fprintf(void)
@@ -705,7 +953,7 @@ static void data__fprintf(void)
data__for_each_file(i, d)
fprintf(stdout, "# [%d] %s %s\n",
- d->idx, d->file.path,
+ d->idx, d->data.path,
!d->idx ? "(Baseline)" : "");
fprintf(stdout, "#\n");
@@ -713,8 +961,8 @@ static void data__fprintf(void)
static void data_process(void)
{
- struct perf_evlist *evlist_base = data__files[0].session->evlist;
- struct perf_evsel *evsel_base;
+ struct evlist *evlist_base = data__files[0].session->evlist;
+ struct evsel *evsel_base;
bool first = true;
evlist__for_each_entry(evlist_base, evsel_base) {
@@ -723,8 +971,8 @@ static void data_process(void)
int i;
data__for_each_file_new(i, d) {
- struct perf_evlist *evlist = d->session->evlist;
- struct perf_evsel *evsel;
+ struct evlist *evlist = d->session->evlist;
+ struct evsel *evsel;
struct hists *hists;
evsel = evsel_match(evsel_base, evlist);
@@ -742,7 +990,7 @@ static void data_process(void)
if (!quiet) {
fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n",
- perf_evsel__name(evsel_base));
+ evsel__name(evsel_base));
}
first = false;
@@ -751,16 +999,61 @@ static void data_process(void)
data__fprintf();
/* Don't sort callchain for perf diff */
- perf_evsel__reset_sample_bit(evsel_base, CALLCHAIN);
+ evsel__reset_sample_bit(evsel_base, CALLCHAIN);
hists__process(hists_base);
}
}
+static int process_base_stream(struct data__file *data_base,
+ struct data__file *data_pair,
+ const char *title __maybe_unused)
+{
+ struct evlist *evlist_base = data_base->session->evlist;
+ struct evlist *evlist_pair = data_pair->session->evlist;
+ struct evsel *evsel_base, *evsel_pair;
+ struct evsel_streams *es_base, *es_pair;
+
+ evlist__for_each_entry(evlist_base, evsel_base) {
+ evsel_pair = evsel_match(evsel_base, evlist_pair);
+ if (!evsel_pair)
+ continue;
+
+ es_base = evsel_streams__entry(data_base->evlist_streams,
+ evsel_base);
+ if (!es_base)
+ return -1;
+
+ es_pair = evsel_streams__entry(data_pair->evlist_streams,
+ evsel_pair);
+ if (!es_pair)
+ return -1;
+
+ evsel_streams__match(es_base, es_pair);
+ evsel_streams__report(es_base, es_pair);
+ }
+
+ return 0;
+}
+
+static void stream_process(void)
+{
+ /*
+ * Stream comparison only supports two data files.
+ * perf.data.old and perf.data. data__files[0] is perf.data.old,
+ * data__files[1] is perf.data.
+ */
+ process_base_stream(&data__files[0], &data__files[1],
+ "# Output based on old perf data:\n#\n");
+}
+
static void data__free(struct data__file *d)
{
int col;
+ if (d->evlist_streams)
+ evlist_streams__delete(d->evlist_streams);
+
for (col = 0; col < PERF_HPP_DIFF__MAX_INDEX; col++) {
struct diff_hpp_fmt *fmt = &d->fmt[col];
@@ -768,37 +1061,183 @@ static void data__free(struct data__file *d)
}
}
+static int abstime_str_dup(char **pstr)
+{
+ char *str = NULL;
+
+ if (pdiff.time_str && strchr(pdiff.time_str, ':')) {
+ str = strdup(pdiff.time_str);
+ if (!str)
+ return -ENOMEM;
+ }
+
+ *pstr = str;
+ return 0;
+}
+
+static int parse_absolute_time(struct data__file *d, char **pstr)
+{
+ char *p = *pstr;
+ int ret;
+
+ /*
+ * Absolute timestamp for one file has the format: a.b,c.d
+ * For multiple files, the format is: a.b,c.d:a.b,c.d
+ */
+ p = strchr(*pstr, ':');
+ if (p) {
+ if (p == *pstr) {
+ pr_err("Invalid time string\n");
+ return -EINVAL;
+ }
+
+ *p = 0;
+ p++;
+ if (*p == 0) {
+ pr_err("Invalid time string\n");
+ return -EINVAL;
+ }
+ }
+
+ ret = perf_time__parse_for_ranges(*pstr, d->session,
+ &pdiff.ptime_range,
+ &pdiff.range_size,
+ &pdiff.range_num);
+ if (ret < 0)
+ return ret;
+
+ if (!p || *p == 0)
+ *pstr = NULL;
+ else
+ *pstr = p;
+
+ return ret;
+}
+
+static int parse_percent_time(struct data__file *d)
+{
+ int ret;
+
+ ret = perf_time__parse_for_ranges(pdiff.time_str, d->session,
+ &pdiff.ptime_range,
+ &pdiff.range_size,
+ &pdiff.range_num);
+ return ret;
+}
+
+static int parse_time_str(struct data__file *d, char *abstime_ostr,
+ char **pabstime_tmp)
+{
+ int ret = 0;
+
+ if (abstime_ostr)
+ ret = parse_absolute_time(d, pabstime_tmp);
+ else if (pdiff.time_str)
+ ret = parse_percent_time(d);
+
+ return ret;
+}
+
+static int check_file_brstack(void)
+{
+ struct data__file *d;
+ bool has_br_stack;
+ int i;
+
+ data__for_each_file(i, d) {
+ d->session = perf_session__new(&d->data, &pdiff.tool);
+ if (IS_ERR(d->session)) {
+ pr_err("Failed to open %s\n", d->data.path);
+ return PTR_ERR(d->session);
+ }
+
+ has_br_stack = perf_header__has_feat(&d->session->header,
+ HEADER_BRANCH_STACK);
+ perf_session__delete(d->session);
+ if (!has_br_stack)
+ return 0;
+ }
+
+ /* Set only all files having branch stacks */
+ pdiff.has_br_stack = true;
+ return 0;
+}
+
static int __cmd_diff(void)
{
struct data__file *d;
- int ret = -EINVAL, i;
+ int ret, i;
+ char *abstime_ostr, *abstime_tmp;
+
+ ret = abstime_str_dup(&abstime_ostr);
+ if (ret)
+ return ret;
+
+ abstime_tmp = abstime_ostr;
+ ret = -EINVAL;
data__for_each_file(i, d) {
- d->session = perf_session__new(&d->file, false, &tool);
- if (!d->session) {
- pr_err("Failed to open %s\n", d->file.path);
- ret = -1;
+ d->session = perf_session__new(&d->data, &pdiff.tool);
+ if (IS_ERR(d->session)) {
+ ret = PTR_ERR(d->session);
+ pr_err("Failed to open %s\n", d->data.path);
goto out_delete;
}
+ if (pdiff.time_str) {
+ ret = parse_time_str(d, abstime_ostr, &abstime_tmp);
+ if (ret < 0)
+ goto out_delete;
+ }
+
+ if (cpu_list) {
+ ret = perf_session__cpu_bitmap(d->session, cpu_list,
+ cpu_bitmap);
+ if (ret < 0)
+ goto out_delete;
+ }
+
ret = perf_session__process_events(d->session);
if (ret) {
- pr_err("Failed to process %s\n", d->file.path);
+ pr_err("Failed to process %s\n", d->data.path);
goto out_delete;
}
- perf_evlist__collapse_resort(d->session->evlist);
+ evlist__collapse_resort(d->session->evlist);
+
+ if (pdiff.ptime_range)
+ zfree(&pdiff.ptime_range);
+
+ if (compute == COMPUTE_STREAM) {
+ d->evlist_streams = evlist__create_streams(
+ d->session->evlist, 5);
+ if (!d->evlist_streams) {
+ ret = -ENOMEM;
+ goto out_delete;
+ }
+ }
}
- data_process();
+ if (compute == COMPUTE_STREAM)
+ stream_process();
+ else
+ data_process();
out_delete:
data__for_each_file(i, d) {
- perf_session__delete(d->session);
+ if (!IS_ERR(d->session))
+ perf_session__delete(d->session);
data__free(d);
}
free(data__files);
+
+ if (pdiff.ptime_range)
+ zfree(&pdiff.ptime_range);
+
+ if (abstime_ostr)
+ free(abstime_ostr);
+
return ret;
}
@@ -810,17 +1249,20 @@ static const char * const diff_usage[] = {
static const struct option options[] = {
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),
- OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
+ OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any warnings or messages"),
OPT_BOOLEAN('b', "baseline-only", &show_baseline_only,
"Show only items with match in baseline"),
OPT_CALLBACK('c', "compute", &compute,
- "delta,delta-abs,ratio,wdiff:w1,w2 (default delta-abs)",
+ "delta,delta-abs,ratio,wdiff:w1,w2 (default delta-abs),cycles",
"Entries differential computation selection",
setup_compute),
OPT_BOOLEAN('p', "period", &show_period,
"Show period values."),
OPT_BOOLEAN('F', "formula", &show_formula,
"Show formula."),
+ OPT_BOOLEAN(0, "cycles-hist", &cycles_hist,
+ "Show cycles histogram and standard deviation "
+ "- WARNING: use only with -c cycles."),
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
"dump raw trace in ASCII"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
@@ -846,6 +1288,15 @@ static const struct option options[] = {
OPT_UINTEGER('o', "order", &sort_compute, "Specify compute sorting."),
OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
"How to display percentage of filtered entries", parse_filter_percentage),
+ OPT_STRING(0, "time", &pdiff.time_str, "str",
+ "Time span (time percent or absolute timestamp)"),
+ OPT_STRING(0, "cpu", &cpu_list, "cpu", "list of cpus to profile"),
+ OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
+ "only consider symbols in these pids"),
+ OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
+ "only consider symbols in these tids"),
+ OPT_BOOLEAN(0, "stream", &pdiff.stream,
+ "Enable hot streams comparison."),
OPT_END()
};
@@ -885,6 +1336,50 @@ static int hpp__entry_baseline(struct hist_entry *he, char *buf, size_t size)
return ret;
}
+static int cycles_printf(struct hist_entry *he, struct hist_entry *pair,
+ struct perf_hpp *hpp, int width)
+{
+ struct block_hist *bh = container_of(he, struct block_hist, he);
+ struct block_hist *bh_pair = container_of(pair, struct block_hist, he);
+ struct hist_entry *block_he;
+ struct block_info *bi;
+ char buf[128];
+ char *start_line, *end_line;
+
+ block_he = hists__get_entry(&bh_pair->block_hists, bh->block_idx);
+ if (!block_he) {
+ hpp->skip = true;
+ return 0;
+ }
+
+ /*
+ * Avoid printing the warning "addr2line_init failed for ..."
+ */
+ symbol_conf.disable_add2line_warn = true;
+
+ bi = block_he->block_info;
+
+ start_line = map__srcline(he->ms.map, bi->sym->start + bi->start,
+ he->ms.sym);
+
+ end_line = map__srcline(he->ms.map, bi->sym->start + bi->end,
+ he->ms.sym);
+
+ if (start_line != SRCLINE_UNKNOWN &&
+ end_line != SRCLINE_UNKNOWN) {
+ scnprintf(buf, sizeof(buf), "[%s -> %s] %4ld",
+ start_line, end_line, block_he->diff.cycles);
+ } else {
+ scnprintf(buf, sizeof(buf), "[%7lx -> %7lx] %4ld",
+ bi->start, bi->end, block_he->diff.cycles);
+ }
+
+ zfree_srcline(&start_line);
+ zfree_srcline(&end_line);
+
+ return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
+}
+
static int __hpp__color_compare(struct perf_hpp_fmt *fmt,
struct perf_hpp *hpp, struct hist_entry *he,
int comparison_method)
@@ -896,8 +1391,17 @@ static int __hpp__color_compare(struct perf_hpp_fmt *fmt,
s64 wdiff;
char pfmt[20] = " ";
- if (!pair)
+ if (!pair) {
+ if (comparison_method == COMPUTE_CYCLES) {
+ struct block_hist *bh;
+
+ bh = container_of(he, struct block_hist, he);
+ if (bh->block_idx)
+ hpp->skip = true;
+ }
+
goto no_print;
+ }
switch (comparison_method) {
case COMPUTE_DELTA:
@@ -932,6 +1436,8 @@ static int __hpp__color_compare(struct perf_hpp_fmt *fmt,
return color_snprintf(hpp->buf, hpp->size,
get_percent_color(wdiff),
pfmt, wdiff);
+ case COMPUTE_CYCLES:
+ return cycles_printf(he, pair, hpp, dfmt->header_width);
default:
BUG_ON(1);
}
@@ -961,6 +1467,96 @@ static int hpp__color_wdiff(struct perf_hpp_fmt *fmt,
return __hpp__color_compare(fmt, hpp, he, COMPUTE_WEIGHTED_DIFF);
}
+static int hpp__color_cycles(struct perf_hpp_fmt *fmt,
+ struct perf_hpp *hpp, struct hist_entry *he)
+{
+ return __hpp__color_compare(fmt, hpp, he, COMPUTE_CYCLES);
+}
+
+static int all_zero(unsigned long *vals, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ if (vals[i] != 0)
+ return 0;
+ return 1;
+}
+
+static int print_cycles_spark(char *bf, int size, unsigned long *svals, u64 n)
+{
+ int printed;
+
+ if (n <= 1)
+ return 0;
+
+ if (n > NUM_SPARKS)
+ n = NUM_SPARKS;
+ if (all_zero(svals, n))
+ return 0;
+
+ printed = print_spark(bf, size, svals, n);
+ printed += scnprintf(bf + printed, size - printed, " ");
+ return printed;
+}
+
+static int hpp__color_cycles_hist(struct perf_hpp_fmt *fmt,
+ struct perf_hpp *hpp, struct hist_entry *he)
+{
+ struct diff_hpp_fmt *dfmt =
+ container_of(fmt, struct diff_hpp_fmt, fmt);
+ struct hist_entry *pair = get_pair_fmt(he, dfmt);
+ struct block_hist *bh = container_of(he, struct block_hist, he);
+ struct block_hist *bh_pair;
+ struct hist_entry *block_he;
+ char spark[32], buf[128];
+ double r;
+ int ret, pad;
+
+ if (!pair) {
+ if (bh->block_idx)
+ hpp->skip = true;
+
+ goto no_print;
+ }
+
+ bh_pair = container_of(pair, struct block_hist, he);
+
+ block_he = hists__get_entry(&bh_pair->block_hists, bh->block_idx);
+ if (!block_he) {
+ hpp->skip = true;
+ goto no_print;
+ }
+
+ ret = print_cycles_spark(spark, sizeof(spark), block_he->diff.svals,
+ block_he->diff.stats.n);
+
+ r = rel_stddev_stats(stddev_stats(&block_he->diff.stats),
+ avg_stats(&block_he->diff.stats));
+
+ if (ret) {
+ /*
+ * Padding spaces if number of sparks less than NUM_SPARKS
+ * otherwise the output is not aligned.
+ */
+ pad = NUM_SPARKS - ((ret - 1) / 3);
+ scnprintf(buf, sizeof(buf), "%s%5.1f%% %s", "\u00B1", r, spark);
+ ret = scnprintf(hpp->buf, hpp->size, "%*s",
+ dfmt->header_width, buf);
+
+ if (pad) {
+ ret += scnprintf(hpp->buf + ret, hpp->size - ret,
+ "%-*s", pad, " ");
+ }
+
+ return ret;
+ }
+
+no_print:
+ return scnprintf(hpp->buf, hpp->size, "%*s",
+ dfmt->header_width, " ");
+}
+
static void
hpp__entry_unpair(struct hist_entry *he, int idx, char *buf, size_t size)
{
@@ -1035,7 +1631,7 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair,
default:
BUG_ON(1);
- };
+ }
}
static void
@@ -1162,6 +1758,14 @@ static void data__hpp_register(struct data__file *d, int idx)
fmt->color = hpp__color_delta;
fmt->sort = hist_entry__cmp_delta_abs;
break;
+ case PERF_HPP_DIFF__CYCLES:
+ fmt->color = hpp__color_cycles;
+ fmt->sort = hist_entry__cmp_nop;
+ break;
+ case PERF_HPP_DIFF__CYCLES_HIST:
+ fmt->color = hpp__color_cycles_hist;
+ fmt->sort = hist_entry__cmp_nop;
+ break;
default:
fmt->sort = hist_entry__cmp_nop;
break;
@@ -1181,16 +1785,20 @@ static int ui_init(void)
data__for_each_file(i, d) {
/*
- * Baseline or compute realted columns:
+ * Baseline or compute related columns:
*
* PERF_HPP_DIFF__BASELINE
* PERF_HPP_DIFF__DELTA
* PERF_HPP_DIFF__RATIO
* PERF_HPP_DIFF__WEIGHTED_DIFF
+ * PERF_HPP_DIFF__CYCLES
*/
data__hpp_register(d, i ? compute_2_hpp[compute] :
PERF_HPP_DIFF__BASELINE);
+ if (cycles_hist && i)
+ data__hpp_register(d, PERF_HPP_DIFF__CYCLES_HIST);
+
/*
* And the rest:
*
@@ -1242,6 +1850,13 @@ static int ui_init(void)
case COMPUTE_DELTA_ABS:
fmt->sort = hist_entry__cmp_delta_abs_idx;
break;
+ case COMPUTE_CYCLES:
+ /*
+ * Should set since 'fmt->sort' is called without
+ * checking valid during sorting
+ */
+ fmt->sort = hist_entry__cmp_nop;
+ break;
default:
BUG_ON(1);
}
@@ -1284,11 +1899,11 @@ static int data_init(int argc, const char **argv)
return -ENOMEM;
data__for_each_file(i, d) {
- struct perf_data_file *file = &d->file;
+ struct perf_data *data = &d->data;
- file->path = use_default ? defaults[i] : argv[i];
- file->mode = PERF_DATA_MODE_READ,
- file->force = force,
+ data->path = use_default ? defaults[i] : argv[i];
+ data->mode = PERF_DATA_MODE_READ;
+ data->force = force;
d->idx = i;
}
@@ -1300,7 +1915,10 @@ static int diff__config(const char *var, const char *value,
void *cb __maybe_unused)
{
if (!strcmp(var, "diff.order")) {
- sort_compute = perf_config_int(var, value);
+ int ret;
+ if (perf_config_int(&ret, var, value) < 0)
+ return -1;
+ sort_compute = ret;
return 0;
}
if (!strcmp(var, "diff.compute")) {
@@ -1328,6 +1946,18 @@ int cmd_diff(int argc, const char **argv)
if (ret < 0)
return ret;
+ perf_tool__init(&pdiff.tool, /*ordered_events=*/true);
+ pdiff.tool.sample = diff__process_sample_event;
+ pdiff.tool.mmap = perf_event__process_mmap;
+ pdiff.tool.mmap2 = perf_event__process_mmap2;
+ pdiff.tool.comm = perf_event__process_comm;
+ pdiff.tool.exit = perf_event__process_exit;
+ pdiff.tool.fork = perf_event__process_fork;
+ pdiff.tool.lost = perf_event__process_lost;
+ pdiff.tool.namespaces = perf_event__process_namespaces;
+ pdiff.tool.cgroup = perf_event__process_cgroup;
+ pdiff.tool.ordering_requires_timestamps = true;
+
perf_config(diff__config, NULL);
argc = parse_options(argc, argv, options, diff_usage, 0);
@@ -1335,18 +1965,45 @@ int cmd_diff(int argc, const char **argv)
if (quiet)
perf_quiet_option();
+ if (cycles_hist && (compute != COMPUTE_CYCLES))
+ usage_with_options(diff_usage, options);
+
+ if (pdiff.stream)
+ compute = COMPUTE_STREAM;
+
+ symbol__annotation_init();
+
if (symbol__init(NULL) < 0)
return -1;
if (data_init(argc, argv) < 0)
return -1;
- if (ui_init() < 0)
+ if (check_file_brstack() < 0)
+ return -1;
+
+ if ((compute == COMPUTE_CYCLES || compute == COMPUTE_STREAM)
+ && !pdiff.has_br_stack) {
return -1;
+ }
+
+ if (compute == COMPUTE_STREAM) {
+ symbol_conf.show_branchflag_count = true;
+ symbol_conf.disable_add2line_warn = true;
+ callchain_param.mode = CHAIN_FLAT;
+ callchain_param.key = CCKEY_SRCLINE;
+ callchain_param.branch_callstack = 1;
+ symbol_conf.use_callchain = true;
+ callchain_register_param(&callchain_param);
+ sort_order = "srcline,symbol,dso";
+ } else {
+ if (ui_init() < 0)
+ return -1;
- sort__mode = SORT_MODE__DIFF;
+ sort__mode = SORT_MODE__DIFF;
+ }
- if (setup_sorting(NULL) < 0)
+ if (setup_sorting(/*evlist=*/NULL, perf_session__env(data__files[0].session)) < 0)
usage_with_options(diff_usage, options);
setup_pager();
diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c
index 6d210e40d611..fb6e2c3c24c8 100644
--- a/tools/perf/builtin-evlist.c
+++ b/tools/perf/builtin-evlist.c
@@ -1,47 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Builtin evlist command: Show the list of event selectors present
* in a perf.data file.
*/
#include "builtin.h"
-#include "util/util.h"
-
#include <linux/list.h>
-#include "perf.h"
#include "util/evlist.h"
#include "util/evsel.h"
+#include "util/evsel_fprintf.h"
#include "util/parse-events.h"
#include <subcmd/parse-options.h>
#include "util/session.h"
#include "util/data.h"
#include "util/debug.h"
+#include <linux/err.h>
+#include "util/tool.h"
+#include "util/util.h"
+
+static int process_header_feature(const struct perf_tool *tool __maybe_unused,
+ struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
+{
+ session_done = 1;
+ return 0;
+}
static int __cmd_evlist(const char *file_name, struct perf_attr_details *details)
{
struct perf_session *session;
- struct perf_evsel *pos;
- struct perf_data_file file = {
- .path = file_name,
- .mode = PERF_DATA_MODE_READ,
- .force = details->force,
+ struct evsel *pos;
+ struct perf_data data = {
+ .path = file_name,
+ .mode = PERF_DATA_MODE_READ,
+ .force = details->force,
};
- bool has_tracepoint = false;
+ struct perf_tool tool;
+ bool has_tracepoint = false, has_group = false;
+
+ perf_tool__init(&tool, /*ordered_events=*/false);
+ /* only needed for pipe mode */
+ tool.attr = perf_event__process_attr;
+ tool.feature = process_header_feature;
+ session = perf_session__new(&data, &tool);
+ if (IS_ERR(session))
+ return PTR_ERR(session);
- session = perf_session__new(&file, 0, NULL);
- if (session == NULL)
- return -1;
+ if (data.is_pipe)
+ perf_session__process_events(session);
evlist__for_each_entry(session->evlist, pos) {
- perf_evsel__fprintf(pos, details, stdout);
+ evsel__fprintf(pos, details, stdout);
- if (pos->attr.type == PERF_TYPE_TRACEPOINT)
+ if (pos->core.attr.type == PERF_TYPE_TRACEPOINT)
has_tracepoint = true;
+
+ if (!evsel__is_group_leader(pos))
+ has_group = true;
}
if (has_tracepoint && !details->trace_fields)
printf("# Tip: use 'perf evlist --trace-fields' to show fields for tracepoint events\n");
+ if (has_group && !details->event_group)
+ printf("# Tip: use 'perf evlist -g' to show group information\n");
+
perf_session__delete(session);
return 0;
}
diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index f80fb60b00b0..6b6eec65f93f 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -1,36 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* builtin-ftrace.c
*
* Copyright (c) 2013 LG Electronics, Namhyung Kim <namhyung@kernel.org>
- *
- * Released under the GPL v2.
+ * Copyright (c) 2020 Changbin Du <changbin.du@gmail.com>, significant enhancement.
*/
#include "builtin.h"
-#include "perf.h"
+#include <errno.h>
#include <unistd.h>
#include <signal.h>
+#include <stdlib.h>
#include <fcntl.h>
+#include <inttypes.h>
+#include <math.h>
+#include <poll.h>
+#include <ctype.h>
+#include <linux/capability.h>
+#include <linux/string.h>
+#include <sys/stat.h>
#include "debug.h"
+#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
+#include <api/io.h>
+#include <api/fs/tracing_path.h>
#include "evlist.h"
#include "target.h"
#include "cpumap.h"
+#include "hashmap.h"
#include "thread_map.h"
+#include "strfilter.h"
+#include "util/cap.h"
#include "util/config.h"
-
+#include "util/ftrace.h"
+#include "util/stat.h"
+#include "util/units.h"
+#include "util/parse-sublevel-options.h"
#define DEFAULT_TRACER "function_graph"
-struct perf_ftrace {
- struct perf_evlist *evlist;
- struct target target;
- const char *tracer;
-};
+static volatile sig_atomic_t workload_exec_errno;
+static volatile sig_atomic_t done;
-static bool done;
+static struct stats latency_stats; /* for tracepoints */
+
+static char tracing_instance[PATH_MAX]; /* Trace instance directory */
static void sig_handler(int sig __maybe_unused)
{
@@ -38,7 +54,7 @@ static void sig_handler(int sig __maybe_unused)
}
/*
- * perf_evlist__prepare_workload will send a SIGUSR1 if the fork fails, since
+ * evlist__prepare_workload will send a SIGUSR1 if the fork fails, since
* we asked by setting its exec_error to the function below,
* ftrace__workload_exec_failed_signal.
*
@@ -48,18 +64,83 @@ static void ftrace__workload_exec_failed_signal(int signo __maybe_unused,
siginfo_t *info __maybe_unused,
void *ucontext __maybe_unused)
{
- /* workload_exec_errno = info->si_value.sival_int; */
+ workload_exec_errno = info->si_value.sival_int;
done = true;
}
+static bool check_ftrace_capable(void)
+{
+ bool used_root;
+
+ if (perf_cap__capable(CAP_PERFMON, &used_root))
+ return true;
+
+ if (!used_root && perf_cap__capable(CAP_SYS_ADMIN, &used_root))
+ return true;
+
+ pr_err("ftrace only works for %s!\n",
+ used_root ? "root"
+ : "users with the CAP_PERFMON or CAP_SYS_ADMIN capability"
+ );
+ return false;
+}
+
+static bool is_ftrace_supported(void)
+{
+ char *file;
+ bool supported = false;
+
+ file = get_tracing_file("set_ftrace_pid");
+ if (!file) {
+ pr_debug("cannot get tracing file set_ftrace_pid\n");
+ return false;
+ }
+
+ if (!access(file, F_OK))
+ supported = true;
+
+ put_tracing_file(file);
+ return supported;
+}
+
+/*
+ * Wrapper to test if a file in directory .../tracing/instances/XXX
+ * exists. If so return the .../tracing/instances/XXX file for use.
+ * Otherwise the file exists only in directory .../tracing and
+ * is applicable to all instances, for example file available_filter_functions.
+ * Return that file name in this case.
+ *
+ * This functions works similar to get_tracing_file() and expects its caller
+ * to free the returned file name.
+ *
+ * The global variable tracing_instance is set in init_tracing_instance()
+ * called at the beginning to a process specific tracing subdirectory.
+ */
+static char *get_tracing_instance_file(const char *name)
+{
+ char *file;
+
+ if (asprintf(&file, "%s/%s", tracing_instance, name) < 0)
+ return NULL;
+
+ if (!access(file, F_OK))
+ return file;
+
+ free(file);
+ file = get_tracing_file(name);
+ return file;
+}
+
static int __write_tracing_file(const char *name, const char *val, bool append)
{
char *file;
int fd, ret = -1;
ssize_t size = strlen(val);
int flags = O_WRONLY;
+ char errbuf[512];
+ char *val_copy;
- file = get_tracing_file(name);
+ file = get_tracing_instance_file(name);
if (!file) {
pr_debug("cannot get tracing file: %s\n", name);
return -1;
@@ -72,15 +153,28 @@ static int __write_tracing_file(const char *name, const char *val, bool append)
fd = open(file, flags);
if (fd < 0) {
- pr_debug("cannot open tracing file: %s\n", name);
+ pr_debug("cannot open tracing file: %s: %s\n",
+ name, str_error_r(errno, errbuf, sizeof(errbuf)));
goto out;
}
- if (write(fd, val, size) == size)
+ /*
+ * Copy the original value and append a '\n'. Without this,
+ * the kernel can hide possible errors.
+ */
+ val_copy = strdup(val);
+ if (!val_copy)
+ goto out_close;
+ val_copy[size] = '\n';
+
+ if (write(fd, val_copy, size + 1) == size + 1)
ret = 0;
else
- pr_debug("write '%s' to tracing/%s failed\n", val, name);
+ pr_debug("write '%s' to tracing/%s failed: %s\n",
+ val, name, str_error_r(errno, errbuf, sizeof(errbuf)));
+ free(val_copy);
+out_close:
close(fd);
out:
put_tracing_file(file);
@@ -97,7 +191,123 @@ static int append_tracing_file(const char *name, const char *val)
return __write_tracing_file(name, val, true);
}
+static int read_tracing_file_to_stdout(const char *name)
+{
+ char buf[4096];
+ char *file;
+ int fd;
+ int ret = -1;
+
+ file = get_tracing_instance_file(name);
+ if (!file) {
+ pr_debug("cannot get tracing file: %s\n", name);
+ return -1;
+ }
+
+ fd = open(file, O_RDONLY);
+ if (fd < 0) {
+ pr_debug("cannot open tracing file: %s: %s\n",
+ name, str_error_r(errno, buf, sizeof(buf)));
+ goto out;
+ }
+
+ /* read contents to stdout */
+ while (true) {
+ int n = read(fd, buf, sizeof(buf));
+ if (n == 0)
+ break;
+ else if (n < 0)
+ goto out_close;
+
+ if (fwrite(buf, n, 1, stdout) != 1)
+ goto out_close;
+ }
+ ret = 0;
+
+out_close:
+ close(fd);
+out:
+ put_tracing_file(file);
+ return ret;
+}
+
+static int read_tracing_file_by_line(const char *name,
+ void (*cb)(char *str, void *arg),
+ void *cb_arg)
+{
+ char *line = NULL;
+ size_t len = 0;
+ char *file;
+ FILE *fp;
+
+ file = get_tracing_instance_file(name);
+ if (!file) {
+ pr_debug("cannot get tracing file: %s\n", name);
+ return -1;
+ }
+
+ fp = fopen(file, "r");
+ if (fp == NULL) {
+ pr_debug("cannot open tracing file: %s\n", name);
+ put_tracing_file(file);
+ return -1;
+ }
+
+ while (getline(&line, &len, fp) != -1) {
+ cb(line, cb_arg);
+ }
+
+ if (line)
+ free(line);
+
+ fclose(fp);
+ put_tracing_file(file);
+ return 0;
+}
+
+static int write_tracing_file_int(const char *name, int value)
+{
+ char buf[16];
+
+ snprintf(buf, sizeof(buf), "%d", value);
+ if (write_tracing_file(name, buf) < 0)
+ return -1;
+
+ return 0;
+}
+
+static int write_tracing_option_file(const char *name, const char *val)
+{
+ char *file;
+ int ret;
+
+ if (asprintf(&file, "options/%s", name) < 0)
+ return -1;
+
+ ret = __write_tracing_file(file, val, false);
+ free(file);
+ return ret;
+}
+
static int reset_tracing_cpu(void);
+static void reset_tracing_filters(void);
+
+static void reset_tracing_options(struct perf_ftrace *ftrace __maybe_unused)
+{
+ write_tracing_option_file("function-fork", "0");
+ write_tracing_option_file("func_stack_trace", "0");
+ write_tracing_option_file("sleep-time", "1");
+ write_tracing_option_file("funcgraph-irqs", "1");
+ write_tracing_option_file("funcgraph-proc", "0");
+ write_tracing_option_file("funcgraph-abstime", "0");
+ write_tracing_option_file("funcgraph-tail", "0");
+ write_tracing_option_file("funcgraph-args", "0");
+ write_tracing_option_file("funcgraph-retval", "0");
+ write_tracing_option_file("funcgraph-retval-hex", "0");
+ write_tracing_option_file("funcgraph-retaddr", "0");
+ write_tracing_option_file("latency-format", "0");
+ write_tracing_option_file("irq-info", "0");
+}
static int reset_tracing_files(struct perf_ftrace *ftrace __maybe_unused)
{
@@ -113,7 +323,48 @@ static int reset_tracing_files(struct perf_ftrace *ftrace __maybe_unused)
if (reset_tracing_cpu() < 0)
return -1;
+ if (write_tracing_file("max_graph_depth", "0") < 0)
+ return -1;
+
+ if (write_tracing_file("tracing_thresh", "0") < 0)
+ return -1;
+
+ reset_tracing_filters();
+ reset_tracing_options(ftrace);
+ return 0;
+}
+
+/* Remove .../tracing/instances/XXX subdirectory created with
+ * init_tracing_instance().
+ */
+static void exit_tracing_instance(void)
+{
+ if (rmdir(tracing_instance))
+ pr_err("failed to delete tracing/instances directory\n");
+}
+
+/* Create subdirectory within .../tracing/instances/XXX to have session
+ * or process specific setup. To delete this setup, simply remove the
+ * subdirectory.
+ */
+static int init_tracing_instance(void)
+{
+ char dirname[] = "instances/perf-ftrace-XXXXXX";
+ char *path;
+
+ path = get_tracing_file(dirname);
+ if (!path)
+ goto error;
+ strncpy(tracing_instance, path, sizeof(tracing_instance) - 1);
+ put_tracing_file(path);
+ path = mkdtemp(tracing_instance);
+ if (!path)
+ goto error;
return 0;
+
+error:
+ pr_err("failed to create tracing/instances directory\n");
+ return -1;
}
static int set_tracing_pid(struct perf_ftrace *ftrace)
@@ -124,24 +375,24 @@ static int set_tracing_pid(struct perf_ftrace *ftrace)
if (target__has_cpu(&ftrace->target))
return 0;
- for (i = 0; i < thread_map__nr(ftrace->evlist->threads); i++) {
+ for (i = 0; i < perf_thread_map__nr(ftrace->evlist->core.threads); i++) {
scnprintf(buf, sizeof(buf), "%d",
- ftrace->evlist->threads->map[i]);
+ perf_thread_map__pid(ftrace->evlist->core.threads, i));
if (append_tracing_file("set_ftrace_pid", buf) < 0)
return -1;
}
return 0;
}
-static int set_tracing_cpumask(struct cpu_map *cpumap)
+static int set_tracing_cpumask(struct perf_cpu_map *cpumap)
{
char *cpumask;
size_t mask_size;
int ret;
int last_cpu;
- last_cpu = cpu_map__cpu(cpumap, cpumap->nr - 1);
- mask_size = (last_cpu + 3) / 4 + 1;
+ last_cpu = perf_cpu_map__cpu(cpumap, perf_cpu_map__nr(cpumap) - 1).cpu;
+ mask_size = last_cpu / 4 + 2; /* one more byte for EOS */
mask_size += last_cpu / 32; /* ',' is needed for every 32th cpus */
cpumask = malloc(mask_size);
@@ -160,7 +411,7 @@ static int set_tracing_cpumask(struct cpu_map *cpumap)
static int set_tracing_cpu(struct perf_ftrace *ftrace)
{
- struct cpu_map *cpumap = ftrace->evlist->cpus;
+ struct perf_cpu_map *cpumap = ftrace->evlist->core.user_requested_cpus;
if (!target__has_cpu(&ftrace->target))
return 0;
@@ -168,64 +419,357 @@ static int set_tracing_cpu(struct perf_ftrace *ftrace)
return set_tracing_cpumask(cpumap);
}
+static int set_tracing_func_stack_trace(struct perf_ftrace *ftrace)
+{
+ if (!ftrace->func_stack_trace)
+ return 0;
+
+ if (write_tracing_option_file("func_stack_trace", "1") < 0)
+ return -1;
+
+ return 0;
+}
+
+static int set_tracing_func_irqinfo(struct perf_ftrace *ftrace)
+{
+ if (!ftrace->func_irq_info)
+ return 0;
+
+ if (write_tracing_option_file("irq-info", "1") < 0)
+ return -1;
+
+ return 0;
+}
+
static int reset_tracing_cpu(void)
{
- struct cpu_map *cpumap = cpu_map__new(NULL);
+ struct perf_cpu_map *cpumap = perf_cpu_map__new_online_cpus();
int ret;
ret = set_tracing_cpumask(cpumap);
- cpu_map__put(cpumap);
+ perf_cpu_map__put(cpumap);
return ret;
}
-static int __cmd_ftrace(struct perf_ftrace *ftrace, int argc, const char **argv)
+static int __set_tracing_filter(const char *filter_file, struct list_head *funcs)
{
- char *trace_file;
- int trace_fd;
- char buf[4096];
- struct pollfd pollfd = {
- .events = POLLIN,
- };
+ struct filter_entry *pos;
+
+ list_for_each_entry(pos, funcs, list) {
+ if (append_tracing_file(filter_file, pos->name) < 0)
+ return -1;
+ }
+
+ return 0;
+}
+
+static int set_tracing_filters(struct perf_ftrace *ftrace)
+{
+ int ret;
+
+ ret = __set_tracing_filter("set_ftrace_filter", &ftrace->filters);
+ if (ret < 0)
+ return ret;
+
+ ret = __set_tracing_filter("set_ftrace_notrace", &ftrace->notrace);
+ if (ret < 0)
+ return ret;
+
+ ret = __set_tracing_filter("set_graph_function", &ftrace->graph_funcs);
+ if (ret < 0)
+ return ret;
+
+ /* old kernels do not have this filter */
+ __set_tracing_filter("set_graph_notrace", &ftrace->nograph_funcs);
+
+ return ret;
+}
+
+static void reset_tracing_filters(void)
+{
+ write_tracing_file("set_ftrace_filter", " ");
+ write_tracing_file("set_ftrace_notrace", " ");
+ write_tracing_file("set_graph_function", " ");
+ write_tracing_file("set_graph_notrace", " ");
+}
+
+static int set_tracing_depth(struct perf_ftrace *ftrace)
+{
+ if (ftrace->graph_depth == 0)
+ return 0;
- if (geteuid() != 0) {
- pr_err("ftrace only works for root!\n");
+ if (ftrace->graph_depth < 0) {
+ pr_err("invalid graph depth: %d\n", ftrace->graph_depth);
return -1;
}
- signal(SIGINT, sig_handler);
- signal(SIGUSR1, sig_handler);
- signal(SIGCHLD, sig_handler);
- signal(SIGPIPE, sig_handler);
+ if (write_tracing_file_int("max_graph_depth", ftrace->graph_depth) < 0)
+ return -1;
- if (reset_tracing_files(ftrace) < 0)
- goto out;
+ return 0;
+}
- /* reset ftrace buffer */
- if (write_tracing_file("trace", "0") < 0)
- goto out;
+static int set_tracing_percpu_buffer_size(struct perf_ftrace *ftrace)
+{
+ int ret;
- if (argc && perf_evlist__prepare_workload(ftrace->evlist,
- &ftrace->target, argv, false,
- ftrace__workload_exec_failed_signal) < 0) {
- goto out;
+ if (ftrace->percpu_buffer_size == 0)
+ return 0;
+
+ ret = write_tracing_file_int("buffer_size_kb",
+ ftrace->percpu_buffer_size / 1024);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int set_tracing_trace_inherit(struct perf_ftrace *ftrace)
+{
+ if (!ftrace->inherit)
+ return 0;
+
+ if (write_tracing_option_file("function-fork", "1") < 0)
+ return -1;
+
+ return 0;
+}
+
+static int set_tracing_sleep_time(struct perf_ftrace *ftrace)
+{
+ if (!ftrace->graph_nosleep_time)
+ return 0;
+
+ if (write_tracing_option_file("sleep-time", "0") < 0)
+ return -1;
+
+ return 0;
+}
+
+static int set_tracing_funcgraph_args(struct perf_ftrace *ftrace)
+{
+ if (ftrace->graph_args) {
+ if (write_tracing_option_file("funcgraph-args", "1") < 0)
+ return -1;
}
+ return 0;
+}
+
+static int set_tracing_funcgraph_retval(struct perf_ftrace *ftrace)
+{
+ if (ftrace->graph_retval || ftrace->graph_retval_hex) {
+ if (write_tracing_option_file("funcgraph-retval", "1") < 0)
+ return -1;
+ }
+
+ if (ftrace->graph_retval_hex) {
+ if (write_tracing_option_file("funcgraph-retval-hex", "1") < 0)
+ return -1;
+ }
+
+ return 0;
+}
+
+static int set_tracing_funcgraph_retaddr(struct perf_ftrace *ftrace)
+{
+ if (ftrace->graph_retaddr) {
+ if (write_tracing_option_file("funcgraph-retaddr", "1") < 0)
+ return -1;
+ }
+
+ return 0;
+}
+
+static int set_tracing_funcgraph_irqs(struct perf_ftrace *ftrace)
+{
+ if (!ftrace->graph_noirqs)
+ return 0;
+
+ if (write_tracing_option_file("funcgraph-irqs", "0") < 0)
+ return -1;
+
+ return 0;
+}
+
+static int set_tracing_funcgraph_verbose(struct perf_ftrace *ftrace)
+{
+ if (!ftrace->graph_verbose)
+ return 0;
+
+ if (write_tracing_option_file("funcgraph-proc", "1") < 0)
+ return -1;
+
+ if (write_tracing_option_file("funcgraph-abstime", "1") < 0)
+ return -1;
+
+ if (write_tracing_option_file("latency-format", "1") < 0)
+ return -1;
+
+ return 0;
+}
+
+static int set_tracing_funcgraph_tail(struct perf_ftrace *ftrace)
+{
+ if (!ftrace->graph_tail)
+ return 0;
+
+ if (write_tracing_option_file("funcgraph-tail", "1") < 0)
+ return -1;
+
+ return 0;
+}
+
+static int set_tracing_thresh(struct perf_ftrace *ftrace)
+{
+ int ret;
+
+ if (ftrace->graph_thresh == 0)
+ return 0;
+
+ ret = write_tracing_file_int("tracing_thresh", ftrace->graph_thresh);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int set_tracing_options(struct perf_ftrace *ftrace)
+{
if (set_tracing_pid(ftrace) < 0) {
pr_err("failed to set ftrace pid\n");
- goto out_reset;
+ return -1;
}
if (set_tracing_cpu(ftrace) < 0) {
pr_err("failed to set tracing cpumask\n");
+ return -1;
+ }
+
+ if (set_tracing_func_stack_trace(ftrace) < 0) {
+ pr_err("failed to set tracing option func_stack_trace\n");
+ return -1;
+ }
+
+ if (set_tracing_func_irqinfo(ftrace) < 0) {
+ pr_err("failed to set tracing option irq-info\n");
+ return -1;
+ }
+
+ if (set_tracing_filters(ftrace) < 0) {
+ pr_err("failed to set tracing filters\n");
+ return -1;
+ }
+
+ if (set_tracing_depth(ftrace) < 0) {
+ pr_err("failed to set graph depth\n");
+ return -1;
+ }
+
+ if (set_tracing_percpu_buffer_size(ftrace) < 0) {
+ pr_err("failed to set tracing per-cpu buffer size\n");
+ return -1;
+ }
+
+ if (set_tracing_trace_inherit(ftrace) < 0) {
+ pr_err("failed to set tracing option function-fork\n");
+ return -1;
+ }
+
+ if (set_tracing_sleep_time(ftrace) < 0) {
+ pr_err("failed to set tracing option sleep-time\n");
+ return -1;
+ }
+
+ if (set_tracing_funcgraph_args(ftrace) < 0) {
+ pr_err("failed to set tracing option funcgraph-args\n");
+ return -1;
+ }
+
+ if (set_tracing_funcgraph_retval(ftrace) < 0) {
+ pr_err("failed to set tracing option funcgraph-retval\n");
+ return -1;
+ }
+
+ if (set_tracing_funcgraph_retaddr(ftrace) < 0) {
+ pr_err("failed to set tracing option funcgraph-retaddr\n");
+ return -1;
+ }
+
+ if (set_tracing_funcgraph_irqs(ftrace) < 0) {
+ pr_err("failed to set tracing option funcgraph-irqs\n");
+ return -1;
+ }
+
+ if (set_tracing_funcgraph_verbose(ftrace) < 0) {
+ pr_err("failed to set tracing option funcgraph-proc/funcgraph-abstime\n");
+ return -1;
+ }
+
+ if (set_tracing_thresh(ftrace) < 0) {
+ pr_err("failed to set tracing thresh\n");
+ return -1;
+ }
+
+ if (set_tracing_funcgraph_tail(ftrace) < 0) {
+ pr_err("failed to set tracing option funcgraph-tail\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static void select_tracer(struct perf_ftrace *ftrace)
+{
+ bool graph = !list_empty(&ftrace->graph_funcs) ||
+ !list_empty(&ftrace->nograph_funcs);
+ bool func = !list_empty(&ftrace->filters) ||
+ !list_empty(&ftrace->notrace);
+
+ /* The function_graph has priority over function tracer. */
+ if (graph)
+ ftrace->tracer = "function_graph";
+ else if (func)
+ ftrace->tracer = "function";
+ /* Otherwise, the default tracer is used. */
+
+ pr_debug("%s tracer is used\n", ftrace->tracer);
+}
+
+static int __cmd_ftrace(struct perf_ftrace *ftrace)
+{
+ char *trace_file;
+ int trace_fd;
+ char buf[4096];
+ struct pollfd pollfd = {
+ .events = POLLIN,
+ };
+
+ select_tracer(ftrace);
+
+ if (init_tracing_instance() < 0)
+ goto out;
+
+ if (reset_tracing_files(ftrace) < 0) {
+ pr_err("failed to reset ftrace\n");
goto out_reset;
}
+ /* reset ftrace buffer */
+ if (write_tracing_file("trace", "0") < 0)
+ goto out_reset;
+
+ if (set_tracing_options(ftrace) < 0)
+ goto out_reset;
+
if (write_tracing_file("current_tracer", ftrace->tracer) < 0) {
pr_err("failed to set current_tracer to %s\n", ftrace->tracer);
goto out_reset;
}
- trace_file = get_tracing_file("trace_pipe");
+ setup_pager();
+
+ trace_file = get_tracing_instance_file("trace_pipe");
if (!trace_file) {
pr_err("failed to open trace_pipe\n");
goto out_reset;
@@ -243,14 +787,25 @@ static int __cmd_ftrace(struct perf_ftrace *ftrace, int argc, const char **argv)
fcntl(trace_fd, F_SETFL, O_NONBLOCK);
pollfd.fd = trace_fd;
- if (write_tracing_file("tracing_on", "1") < 0) {
- pr_err("can't enable tracing\n");
- goto out_close_fd;
+ /* display column headers */
+ read_tracing_file_to_stdout("trace");
+
+ if (!ftrace->target.initial_delay) {
+ if (write_tracing_file("tracing_on", "1") < 0) {
+ pr_err("can't enable tracing\n");
+ goto out_close_fd;
+ }
}
- setup_pager();
+ evlist__start_workload(ftrace->evlist);
- perf_evlist__start_workload(ftrace->evlist);
+ if (ftrace->target.initial_delay > 0) {
+ usleep(ftrace->target.initial_delay * 1000);
+ if (write_tracing_file("tracing_on", "1") < 0) {
+ pr_err("can't enable tracing\n");
+ goto out_close_fd;
+ }
+ }
while (!done) {
if (poll(&pollfd, 1, -1) < 0)
@@ -262,11 +817,21 @@ static int __cmd_ftrace(struct perf_ftrace *ftrace, int argc, const char **argv)
break;
if (fwrite(buf, n, 1, stdout) != 1)
break;
+ /* flush output since stdout is in full buffering mode due to pager */
+ fflush(stdout);
}
}
write_tracing_file("tracing_on", "0");
+ if (workload_exec_errno) {
+ const char *emsg = str_error_r(workload_exec_errno, buf, sizeof(buf));
+ /* flush stdout first so below error msg appears at the end. */
+ fflush(stdout);
+ pr_err("workload failed: %s\n", emsg);
+ goto out_close_fd;
+ }
+
/* read remaining buffer contents */
while (true) {
int n = read(trace_fd, buf, sizeof(buf));
@@ -279,16 +844,684 @@ static int __cmd_ftrace(struct perf_ftrace *ftrace, int argc, const char **argv)
out_close_fd:
close(trace_fd);
out_reset:
- reset_tracing_files(ftrace);
+ exit_tracing_instance();
out:
- return done ? 0 : -1;
+ return (done && !workload_exec_errno) ? 0 : -1;
+}
+
+static void make_histogram(struct perf_ftrace *ftrace, int buckets[],
+ char *buf, size_t len, char *linebuf)
+{
+ int min_latency = ftrace->min_latency;
+ int max_latency = ftrace->max_latency;
+ unsigned int bucket_num = ftrace->bucket_num;
+ char *p, *q;
+ char *unit;
+ double num;
+ int i;
+
+ /* ensure NUL termination */
+ buf[len] = '\0';
+
+ /* handle data line by line */
+ for (p = buf; (q = strchr(p, '\n')) != NULL; p = q + 1) {
+ *q = '\0';
+ /* move it to the line buffer */
+ strcat(linebuf, p);
+
+ /*
+ * parse trace output to get function duration like in
+ *
+ * # tracer: function_graph
+ * #
+ * # CPU DURATION FUNCTION CALLS
+ * # | | | | | | |
+ * 1) + 10.291 us | do_filp_open();
+ * 1) 4.889 us | do_filp_open();
+ * 1) 6.086 us | do_filp_open();
+ *
+ */
+ if (linebuf[0] == '#')
+ goto next;
+
+ /* ignore CPU */
+ p = strchr(linebuf, ')');
+ if (p == NULL)
+ p = linebuf;
+
+ while (*p && !isdigit(*p) && (*p != '|'))
+ p++;
+
+ /* no duration */
+ if (*p == '\0' || *p == '|')
+ goto next;
+
+ num = strtod(p, &unit);
+ if (!unit || strncmp(unit, " us", 3))
+ goto next;
+
+ if (ftrace->use_nsec)
+ num *= 1000;
+
+ i = 0;
+ if (num < min_latency)
+ goto do_inc;
+
+ num -= min_latency;
+
+ if (!ftrace->bucket_range) {
+ i = log2(num);
+ if (i < 0)
+ i = 0;
+ } else {
+ // Less than 1 unit (ms or ns), or, in the future,
+ // than the min latency desired.
+ if (num > 0) // 1st entry: [ 1 unit .. bucket_range units ]
+ i = num / ftrace->bucket_range + 1;
+ if (num >= max_latency - min_latency)
+ i = bucket_num -1;
+ }
+ if ((unsigned)i >= bucket_num)
+ i = bucket_num - 1;
+
+ num += min_latency;
+do_inc:
+ buckets[i]++;
+ update_stats(&latency_stats, num);
+
+next:
+ /* empty the line buffer for the next output */
+ linebuf[0] = '\0';
+ }
+
+ /* preserve any remaining output (before newline) */
+ strcat(linebuf, p);
+}
+
+static void display_histogram(struct perf_ftrace *ftrace, int buckets[])
+{
+ int min_latency = ftrace->min_latency;
+ bool use_nsec = ftrace->use_nsec;
+ unsigned int bucket_num = ftrace->bucket_num;
+ unsigned int i;
+ int total = 0;
+ int bar_total = 46; /* to fit in 80 column */
+ char bar[] = "###############################################";
+ int bar_len;
+
+ for (i = 0; i < bucket_num; i++)
+ total += buckets[i];
+
+ if (total == 0) {
+ printf("No data found\n");
+ return;
+ }
+
+ printf("# %14s | %10s | %-*s |\n",
+ " DURATION ", "COUNT", bar_total, "GRAPH");
+
+ bar_len = buckets[0] * bar_total / total;
+
+ if (!ftrace->hide_empty || buckets[0])
+ printf(" %4d - %4d %s | %10d | %.*s%*s |\n",
+ 0, min_latency ?: 1, use_nsec ? "ns" : "us",
+ buckets[0], bar_len, bar, bar_total - bar_len, "");
+
+ for (i = 1; i < bucket_num - 1; i++) {
+ unsigned int start, stop;
+ const char *unit = use_nsec ? "ns" : "us";
+
+ if (ftrace->hide_empty && !buckets[i])
+ continue;
+ if (!ftrace->bucket_range) {
+ start = (1 << (i - 1));
+ stop = 1 << i;
+
+ if (start >= 1024) {
+ start >>= 10;
+ stop >>= 10;
+ unit = use_nsec ? "us" : "ms";
+ }
+ } else {
+ start = (i - 1) * ftrace->bucket_range + min_latency;
+ stop = i * ftrace->bucket_range + min_latency;
+
+ if (start >= ftrace->max_latency)
+ break;
+ if (stop > ftrace->max_latency)
+ stop = ftrace->max_latency;
+
+ if (start >= 1000) {
+ double dstart = start / 1000.0,
+ dstop = stop / 1000.0;
+ printf(" %4.2f - %-4.2f", dstart, dstop);
+ unit = use_nsec ? "us" : "ms";
+ goto print_bucket_info;
+ }
+ }
+
+ printf(" %4d - %4d", start, stop);
+print_bucket_info:
+ bar_len = buckets[i] * bar_total / total;
+ printf(" %s | %10d | %.*s%*s |\n", unit, buckets[i], bar_len, bar,
+ bar_total - bar_len, "");
+ }
+
+ bar_len = buckets[bucket_num - 1] * bar_total / total;
+ if (ftrace->hide_empty && !buckets[bucket_num - 1])
+ goto print_stats;
+ if (!ftrace->bucket_range) {
+ printf(" %4d - %-4s %s", 1, "...", use_nsec ? "ms" : "s ");
+ } else {
+ unsigned int upper_outlier = (bucket_num - 2) * ftrace->bucket_range + min_latency;
+ if (upper_outlier > ftrace->max_latency)
+ upper_outlier = ftrace->max_latency;
+
+ if (upper_outlier >= 1000) {
+ double dstart = upper_outlier / 1000.0;
+
+ printf(" %4.2f - %-4s %s", dstart, "...", use_nsec ? "us" : "ms");
+ } else {
+ printf(" %4d - %4s %s", upper_outlier, "...", use_nsec ? "ns" : "us");
+ }
+ }
+ printf(" | %10d | %.*s%*s |\n", buckets[bucket_num - 1],
+ bar_len, bar, bar_total - bar_len, "");
+
+print_stats:
+ printf("\n# statistics (in %s)\n", ftrace->use_nsec ? "nsec" : "usec");
+ printf(" total time: %20.0f\n", latency_stats.mean * latency_stats.n);
+ printf(" avg time: %20.0f\n", latency_stats.mean);
+ printf(" max time: %20"PRIu64"\n", latency_stats.max);
+ printf(" min time: %20"PRIu64"\n", latency_stats.min);
+ printf(" count: %20.0f\n", latency_stats.n);
+}
+
+static int prepare_func_latency(struct perf_ftrace *ftrace)
+{
+ char *trace_file;
+ int fd;
+
+ if (ftrace->target.use_bpf)
+ return perf_ftrace__latency_prepare_bpf(ftrace);
+
+ if (init_tracing_instance() < 0)
+ return -1;
+
+ if (reset_tracing_files(ftrace) < 0) {
+ pr_err("failed to reset ftrace\n");
+ return -1;
+ }
+
+ /* reset ftrace buffer */
+ if (write_tracing_file("trace", "0") < 0)
+ return -1;
+
+ if (set_tracing_options(ftrace) < 0)
+ return -1;
+
+ /* force to use the function_graph tracer to track duration */
+ if (write_tracing_file("current_tracer", "function_graph") < 0) {
+ pr_err("failed to set current_tracer to function_graph\n");
+ return -1;
+ }
+
+ trace_file = get_tracing_instance_file("trace_pipe");
+ if (!trace_file) {
+ pr_err("failed to open trace_pipe\n");
+ return -1;
+ }
+
+ fd = open(trace_file, O_RDONLY);
+ if (fd < 0)
+ pr_err("failed to open trace_pipe\n");
+
+ init_stats(&latency_stats);
+
+ put_tracing_file(trace_file);
+ return fd;
+}
+
+static int start_func_latency(struct perf_ftrace *ftrace)
+{
+ if (ftrace->target.use_bpf)
+ return perf_ftrace__latency_start_bpf(ftrace);
+
+ if (write_tracing_file("tracing_on", "1") < 0) {
+ pr_err("can't enable tracing\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int stop_func_latency(struct perf_ftrace *ftrace)
+{
+ if (ftrace->target.use_bpf)
+ return perf_ftrace__latency_stop_bpf(ftrace);
+
+ write_tracing_file("tracing_on", "0");
+ return 0;
+}
+
+static int read_func_latency(struct perf_ftrace *ftrace, int buckets[])
+{
+ if (ftrace->target.use_bpf)
+ return perf_ftrace__latency_read_bpf(ftrace, buckets, &latency_stats);
+
+ return 0;
+}
+
+static int cleanup_func_latency(struct perf_ftrace *ftrace)
+{
+ if (ftrace->target.use_bpf)
+ return perf_ftrace__latency_cleanup_bpf(ftrace);
+
+ exit_tracing_instance();
+ return 0;
+}
+
+static int __cmd_latency(struct perf_ftrace *ftrace)
+{
+ int trace_fd;
+ char buf[4096];
+ char line[256];
+ struct pollfd pollfd = {
+ .events = POLLIN,
+ };
+ int *buckets;
+
+ trace_fd = prepare_func_latency(ftrace);
+ if (trace_fd < 0)
+ goto out;
+
+ fcntl(trace_fd, F_SETFL, O_NONBLOCK);
+ pollfd.fd = trace_fd;
+
+ if (start_func_latency(ftrace) < 0)
+ goto out;
+
+ evlist__start_workload(ftrace->evlist);
+
+ buckets = calloc(ftrace->bucket_num, sizeof(*buckets));
+ if (buckets == NULL) {
+ pr_err("failed to allocate memory for the buckets\n");
+ goto out;
+ }
+
+ line[0] = '\0';
+ while (!done) {
+ if (poll(&pollfd, 1, -1) < 0)
+ break;
+
+ if (pollfd.revents & POLLIN) {
+ int n = read(trace_fd, buf, sizeof(buf) - 1);
+ if (n < 0)
+ break;
+
+ make_histogram(ftrace, buckets, buf, n, line);
+ }
+ }
+
+ stop_func_latency(ftrace);
+
+ if (workload_exec_errno) {
+ const char *emsg = str_error_r(workload_exec_errno, buf, sizeof(buf));
+ pr_err("workload failed: %s\n", emsg);
+ goto out_free_buckets;
+ }
+
+ /* read remaining buffer contents */
+ while (!ftrace->target.use_bpf) {
+ int n = read(trace_fd, buf, sizeof(buf) - 1);
+ if (n <= 0)
+ break;
+ make_histogram(ftrace, buckets, buf, n, line);
+ }
+
+ read_func_latency(ftrace, buckets);
+
+ display_histogram(ftrace, buckets);
+
+out_free_buckets:
+ free(buckets);
+out:
+ close(trace_fd);
+ cleanup_func_latency(ftrace);
+
+ return (done && !workload_exec_errno) ? 0 : -1;
+}
+
+static size_t profile_hash(long func, void *ctx __maybe_unused)
+{
+ return str_hash((char *)func);
+}
+
+static bool profile_equal(long func1, long func2, void *ctx __maybe_unused)
+{
+ return !strcmp((char *)func1, (char *)func2);
+}
+
+static int prepare_func_profile(struct perf_ftrace *ftrace)
+{
+ ftrace->tracer = "function_graph";
+ ftrace->graph_tail = 1;
+ ftrace->graph_verbose = 0;
+
+ ftrace->profile_hash = hashmap__new(profile_hash, profile_equal, NULL);
+ if (ftrace->profile_hash == NULL)
+ return -ENOMEM;
+
+ return 0;
+}
+
+/* This is saved in a hashmap keyed by the function name */
+struct ftrace_profile_data {
+ struct stats st;
+};
+
+static int add_func_duration(struct perf_ftrace *ftrace, char *func, double time_ns)
+{
+ struct ftrace_profile_data *prof = NULL;
+
+ if (!hashmap__find(ftrace->profile_hash, func, &prof)) {
+ char *key = strdup(func);
+
+ if (key == NULL)
+ return -ENOMEM;
+
+ prof = zalloc(sizeof(*prof));
+ if (prof == NULL) {
+ free(key);
+ return -ENOMEM;
+ }
+
+ init_stats(&prof->st);
+ hashmap__add(ftrace->profile_hash, key, prof);
+ }
+
+ update_stats(&prof->st, time_ns);
+ return 0;
+}
+
+/*
+ * The ftrace function_graph text output normally looks like below:
+ *
+ * CPU DURATION FUNCTION
+ *
+ * 0) | syscall_trace_enter.isra.0() {
+ * 0) | __audit_syscall_entry() {
+ * 0) | auditd_test_task() {
+ * 0) 0.271 us | __rcu_read_lock();
+ * 0) 0.275 us | __rcu_read_unlock();
+ * 0) 1.254 us | } /\* auditd_test_task *\/
+ * 0) 0.279 us | ktime_get_coarse_real_ts64();
+ * 0) 2.227 us | } /\* __audit_syscall_entry *\/
+ * 0) 2.713 us | } /\* syscall_trace_enter.isra.0 *\/
+ *
+ * Parse the line and get the duration and function name.
+ */
+static int parse_func_duration(struct perf_ftrace *ftrace, char *line, size_t len)
+{
+ char *p;
+ char *func;
+ double duration;
+
+ /* skip CPU */
+ p = strchr(line, ')');
+ if (p == NULL)
+ return 0;
+
+ /* get duration */
+ p = skip_spaces(p + 1);
+
+ /* no duration? */
+ if (p == NULL || *p == '|')
+ return 0;
+
+ /* skip markers like '*' or '!' for longer than ms */
+ if (!isdigit(*p))
+ p++;
+
+ duration = strtod(p, &p);
+
+ if (strncmp(p, " us", 3)) {
+ pr_debug("non-usec time found.. ignoring\n");
+ return 0;
+ }
+
+ /*
+ * profile stat keeps the max and min values as integer,
+ * convert to nsec time so that we can have accurate max.
+ */
+ duration *= 1000;
+
+ /* skip to the pipe */
+ while (p < line + len && *p != '|')
+ p++;
+
+ if (*p++ != '|')
+ return -EINVAL;
+
+ /* get function name */
+ func = skip_spaces(p);
+
+ /* skip the closing bracket and the start of comment */
+ if (*func == '}')
+ func += 5;
+
+ /* remove semi-colon or end of comment at the end */
+ p = line + len - 1;
+ while (!isalnum(*p) && *p != ']') {
+ *p = '\0';
+ --p;
+ }
+
+ return add_func_duration(ftrace, func, duration);
+}
+
+enum perf_ftrace_profile_sort_key {
+ PFP_SORT_TOTAL = 0,
+ PFP_SORT_AVG,
+ PFP_SORT_MAX,
+ PFP_SORT_COUNT,
+ PFP_SORT_NAME,
+};
+
+static enum perf_ftrace_profile_sort_key profile_sort = PFP_SORT_TOTAL;
+
+static int cmp_profile_data(const void *a, const void *b)
+{
+ const struct hashmap_entry *e1 = *(const struct hashmap_entry **)a;
+ const struct hashmap_entry *e2 = *(const struct hashmap_entry **)b;
+ struct ftrace_profile_data *p1 = e1->pvalue;
+ struct ftrace_profile_data *p2 = e2->pvalue;
+ double v1, v2;
+
+ switch (profile_sort) {
+ case PFP_SORT_NAME:
+ return strcmp(e1->pkey, e2->pkey);
+ case PFP_SORT_AVG:
+ v1 = p1->st.mean;
+ v2 = p2->st.mean;
+ break;
+ case PFP_SORT_MAX:
+ v1 = p1->st.max;
+ v2 = p2->st.max;
+ break;
+ case PFP_SORT_COUNT:
+ v1 = p1->st.n;
+ v2 = p2->st.n;
+ break;
+ case PFP_SORT_TOTAL:
+ default:
+ v1 = p1->st.n * p1->st.mean;
+ v2 = p2->st.n * p2->st.mean;
+ break;
+ }
+
+ if (v1 > v2)
+ return -1;
+ if (v1 < v2)
+ return 1;
+ return 0;
+}
+
+static void print_profile_result(struct perf_ftrace *ftrace)
+{
+ struct hashmap_entry *entry, **profile;
+ size_t i, nr, bkt;
+
+ nr = hashmap__size(ftrace->profile_hash);
+ if (nr == 0)
+ return;
+
+ profile = calloc(nr, sizeof(*profile));
+ if (profile == NULL) {
+ pr_err("failed to allocate memory for the result\n");
+ return;
+ }
+
+ i = 0;
+ hashmap__for_each_entry(ftrace->profile_hash, entry, bkt)
+ profile[i++] = entry;
+
+ assert(i == nr);
+
+ //cmp_profile_data(profile[0], profile[1]);
+ qsort(profile, nr, sizeof(*profile), cmp_profile_data);
+
+ printf("# %10s %10s %10s %10s %s\n",
+ "Total (us)", "Avg (us)", "Max (us)", "Count", "Function");
+
+ for (i = 0; i < nr; i++) {
+ const char *name = profile[i]->pkey;
+ struct ftrace_profile_data *p = profile[i]->pvalue;
+
+ printf("%12.3f %10.3f %6"PRIu64".%03"PRIu64" %10.0f %s\n",
+ p->st.n * p->st.mean / 1000, p->st.mean / 1000,
+ p->st.max / 1000, p->st.max % 1000, p->st.n, name);
+ }
+
+ free(profile);
+
+ hashmap__for_each_entry(ftrace->profile_hash, entry, bkt) {
+ free((char *)entry->pkey);
+ free(entry->pvalue);
+ }
+
+ hashmap__free(ftrace->profile_hash);
+ ftrace->profile_hash = NULL;
+}
+
+static int __cmd_profile(struct perf_ftrace *ftrace)
+{
+ char *trace_file;
+ int trace_fd;
+ char buf[4096];
+ struct io io;
+ char *line = NULL;
+ size_t line_len = 0;
+
+ if (prepare_func_profile(ftrace) < 0) {
+ pr_err("failed to prepare func profiler\n");
+ goto out;
+ }
+
+ if (init_tracing_instance() < 0)
+ goto out;
+
+ if (reset_tracing_files(ftrace) < 0) {
+ pr_err("failed to reset ftrace\n");
+ goto out_reset;
+ }
+
+ /* reset ftrace buffer */
+ if (write_tracing_file("trace", "0") < 0)
+ goto out_reset;
+
+ if (set_tracing_options(ftrace) < 0)
+ goto out_reset;
+
+ if (write_tracing_file("current_tracer", ftrace->tracer) < 0) {
+ pr_err("failed to set current_tracer to %s\n", ftrace->tracer);
+ goto out_reset;
+ }
+
+ setup_pager();
+
+ trace_file = get_tracing_instance_file("trace_pipe");
+ if (!trace_file) {
+ pr_err("failed to open trace_pipe\n");
+ goto out_reset;
+ }
+
+ trace_fd = open(trace_file, O_RDONLY);
+
+ put_tracing_file(trace_file);
+
+ if (trace_fd < 0) {
+ pr_err("failed to open trace_pipe\n");
+ goto out_reset;
+ }
+
+ fcntl(trace_fd, F_SETFL, O_NONBLOCK);
+
+ if (write_tracing_file("tracing_on", "1") < 0) {
+ pr_err("can't enable tracing\n");
+ goto out_close_fd;
+ }
+
+ evlist__start_workload(ftrace->evlist);
+
+ io__init(&io, trace_fd, buf, sizeof(buf));
+ io.timeout_ms = -1;
+
+ while (!done && !io.eof) {
+ if (io__getline(&io, &line, &line_len) < 0)
+ break;
+
+ if (parse_func_duration(ftrace, line, line_len) < 0)
+ break;
+ }
+
+ write_tracing_file("tracing_on", "0");
+
+ if (workload_exec_errno) {
+ const char *emsg = str_error_r(workload_exec_errno, buf, sizeof(buf));
+ /* flush stdout first so below error msg appears at the end. */
+ fflush(stdout);
+ pr_err("workload failed: %s\n", emsg);
+ goto out_free_line;
+ }
+
+ /* read remaining buffer contents */
+ io.timeout_ms = 0;
+ while (!io.eof) {
+ if (io__getline(&io, &line, &line_len) < 0)
+ break;
+
+ if (parse_func_duration(ftrace, line, line_len) < 0)
+ break;
+ }
+
+ print_profile_result(ftrace);
+
+out_free_line:
+ free(line);
+out_close_fd:
+ close(trace_fd);
+out_reset:
+ exit_tracing_instance();
+out:
+ return (done && !workload_exec_errno) ? 0 : -1;
}
static int perf_ftrace_config(const char *var, const char *value, void *cb)
{
struct perf_ftrace *ftrace = cb;
- if (prefixcmp(var, "ftrace."))
+ if (!strstarts(var, "ftrace."))
return 0;
if (strcmp(var, "ftrace.tracer"))
@@ -304,40 +1537,444 @@ static int perf_ftrace_config(const char *var, const char *value, void *cb)
return -1;
}
+static void list_function_cb(char *str, void *arg)
+{
+ struct strfilter *filter = (struct strfilter *)arg;
+
+ if (strfilter__compare(filter, str))
+ printf("%s", str);
+}
+
+static int opt_list_avail_functions(const struct option *opt __maybe_unused,
+ const char *str, int unset)
+{
+ struct strfilter *filter;
+ const char *err = NULL;
+ int ret;
+
+ if (unset || !str)
+ return -1;
+
+ filter = strfilter__new(str, &err);
+ if (!filter)
+ return err ? -EINVAL : -ENOMEM;
+
+ ret = strfilter__or(filter, str, &err);
+ if (ret == -EINVAL) {
+ pr_err("Filter parse error at %td.\n", err - str + 1);
+ pr_err("Source: \"%s\"\n", str);
+ pr_err(" %*c\n", (int)(err - str + 1), '^');
+ strfilter__delete(filter);
+ return ret;
+ }
+
+ ret = read_tracing_file_by_line("available_filter_functions",
+ list_function_cb, filter);
+ strfilter__delete(filter);
+ if (ret < 0)
+ return ret;
+
+ exit(0);
+}
+
+static int parse_filter_func(const struct option *opt, const char *str,
+ int unset __maybe_unused)
+{
+ struct list_head *head = opt->value;
+ struct filter_entry *entry;
+
+ entry = malloc(sizeof(*entry) + strlen(str) + 1);
+ if (entry == NULL)
+ return -ENOMEM;
+
+ strcpy(entry->name, str);
+ list_add_tail(&entry->list, head);
+
+ return 0;
+}
+
+static void delete_filter_func(struct list_head *head)
+{
+ struct filter_entry *pos, *tmp;
+
+ list_for_each_entry_safe(pos, tmp, head, list) {
+ list_del_init(&pos->list);
+ free(pos);
+ }
+}
+
+static int parse_filter_event(const struct option *opt, const char *str,
+ int unset __maybe_unused)
+{
+ struct list_head *head = opt->value;
+ struct filter_entry *entry;
+ char *s, *p;
+ int ret = -ENOMEM;
+
+ s = strdup(str);
+ if (s == NULL)
+ return -ENOMEM;
+
+ while ((p = strsep(&s, ",")) != NULL) {
+ entry = malloc(sizeof(*entry) + strlen(p) + 1);
+ if (entry == NULL)
+ goto out;
+
+ strcpy(entry->name, p);
+ list_add_tail(&entry->list, head);
+ }
+ ret = 0;
+
+out:
+ free(s);
+ return ret;
+}
+
+static int parse_buffer_size(const struct option *opt,
+ const char *str, int unset)
+{
+ unsigned long *s = (unsigned long *)opt->value;
+ static struct parse_tag tags_size[] = {
+ { .tag = 'B', .mult = 1 },
+ { .tag = 'K', .mult = 1 << 10 },
+ { .tag = 'M', .mult = 1 << 20 },
+ { .tag = 'G', .mult = 1 << 30 },
+ { .tag = 0 },
+ };
+ unsigned long val;
+
+ if (unset) {
+ *s = 0;
+ return 0;
+ }
+
+ val = parse_tag_value(str, tags_size);
+ if (val != (unsigned long) -1) {
+ if (val < 1024) {
+ pr_err("buffer size too small, must larger than 1KB.");
+ return -1;
+ }
+ *s = val;
+ return 0;
+ }
+
+ return -1;
+}
+
+static int parse_func_tracer_opts(const struct option *opt,
+ const char *str, int unset)
+{
+ int ret;
+ struct perf_ftrace *ftrace = (struct perf_ftrace *) opt->value;
+ struct sublevel_option func_tracer_opts[] = {
+ { .name = "call-graph", .value_ptr = &ftrace->func_stack_trace },
+ { .name = "irq-info", .value_ptr = &ftrace->func_irq_info },
+ { .name = NULL, }
+ };
+
+ if (unset)
+ return 0;
+
+ ret = perf_parse_sublevel_options(str, func_tracer_opts);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int parse_graph_tracer_opts(const struct option *opt,
+ const char *str, int unset)
+{
+ int ret;
+ struct perf_ftrace *ftrace = (struct perf_ftrace *) opt->value;
+ struct sublevel_option graph_tracer_opts[] = {
+ { .name = "args", .value_ptr = &ftrace->graph_args },
+ { .name = "retval", .value_ptr = &ftrace->graph_retval },
+ { .name = "retval-hex", .value_ptr = &ftrace->graph_retval_hex },
+ { .name = "retaddr", .value_ptr = &ftrace->graph_retaddr },
+ { .name = "nosleep-time", .value_ptr = &ftrace->graph_nosleep_time },
+ { .name = "noirqs", .value_ptr = &ftrace->graph_noirqs },
+ { .name = "verbose", .value_ptr = &ftrace->graph_verbose },
+ { .name = "thresh", .value_ptr = &ftrace->graph_thresh },
+ { .name = "depth", .value_ptr = &ftrace->graph_depth },
+ { .name = "tail", .value_ptr = &ftrace->graph_tail },
+ { .name = NULL, }
+ };
+
+ if (unset)
+ return 0;
+
+ ret = perf_parse_sublevel_options(str, graph_tracer_opts);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int parse_sort_key(const struct option *opt, const char *str, int unset)
+{
+ enum perf_ftrace_profile_sort_key *key = (void *)opt->value;
+
+ if (unset)
+ return 0;
+
+ if (!strcmp(str, "total"))
+ *key = PFP_SORT_TOTAL;
+ else if (!strcmp(str, "avg"))
+ *key = PFP_SORT_AVG;
+ else if (!strcmp(str, "max"))
+ *key = PFP_SORT_MAX;
+ else if (!strcmp(str, "count"))
+ *key = PFP_SORT_COUNT;
+ else if (!strcmp(str, "name"))
+ *key = PFP_SORT_NAME;
+ else {
+ pr_err("Unknown sort key: %s\n", str);
+ return -1;
+ }
+ return 0;
+}
+
+enum perf_ftrace_subcommand {
+ PERF_FTRACE_NONE,
+ PERF_FTRACE_TRACE,
+ PERF_FTRACE_LATENCY,
+ PERF_FTRACE_PROFILE,
+};
+
int cmd_ftrace(int argc, const char **argv)
{
int ret;
+ int (*cmd_func)(struct perf_ftrace *) = NULL;
struct perf_ftrace ftrace = {
.tracer = DEFAULT_TRACER,
- .target = { .uid = UINT_MAX, },
};
- const char * const ftrace_usage[] = {
- "perf ftrace [<options>] [<command>]",
- "perf ftrace [<options>] -- <command> [<options>]",
- NULL
- };
- const struct option ftrace_options[] = {
- OPT_STRING('t', "tracer", &ftrace.tracer, "tracer",
- "tracer to use: function_graph(default) or function"),
+ const struct option common_options[] = {
OPT_STRING('p', "pid", &ftrace.target.pid, "pid",
- "trace on existing process id"),
+ "Trace on existing process id"),
+ /* TODO: Add short option -t after -t/--tracer can be removed. */
+ OPT_STRING(0, "tid", &ftrace.target.tid, "tid",
+ "Trace on existing thread id (exclusive to --pid)"),
OPT_INCR('v', "verbose", &verbose,
- "be more verbose"),
+ "Be more verbose"),
OPT_BOOLEAN('a', "all-cpus", &ftrace.target.system_wide,
- "system-wide collection from all CPUs"),
+ "System-wide collection from all CPUs"),
OPT_STRING('C', "cpu", &ftrace.target.cpu_list, "cpu",
- "list of cpus to monitor"),
+ "List of cpus to monitor"),
OPT_END()
};
+ const struct option ftrace_options[] = {
+ OPT_STRING('t', "tracer", &ftrace.tracer, "tracer",
+ "Tracer to use: function_graph(default) or function"),
+ OPT_CALLBACK_DEFAULT('F', "funcs", NULL, "[FILTER]",
+ "Show available functions to filter",
+ opt_list_avail_functions, "*"),
+ OPT_CALLBACK('T', "trace-funcs", &ftrace.filters, "func",
+ "Trace given functions using function tracer",
+ parse_filter_func),
+ OPT_CALLBACK('N', "notrace-funcs", &ftrace.notrace, "func",
+ "Do not trace given functions", parse_filter_func),
+ OPT_CALLBACK(0, "func-opts", &ftrace, "options",
+ "Function tracer options, available options: call-graph,irq-info",
+ parse_func_tracer_opts),
+ OPT_CALLBACK('G', "graph-funcs", &ftrace.graph_funcs, "func",
+ "Trace given functions using function_graph tracer",
+ parse_filter_func),
+ OPT_CALLBACK('g', "nograph-funcs", &ftrace.nograph_funcs, "func",
+ "Set nograph filter on given functions", parse_filter_func),
+ OPT_CALLBACK(0, "graph-opts", &ftrace, "options",
+ "Graph tracer options, available options: args,retval,retval-hex,retaddr,nosleep-time,noirqs,verbose,thresh=<n>,depth=<n>",
+ parse_graph_tracer_opts),
+ OPT_CALLBACK('m', "buffer-size", &ftrace.percpu_buffer_size, "size",
+ "Size of per cpu buffer, needs to use a B, K, M or G suffix.", parse_buffer_size),
+ OPT_BOOLEAN(0, "inherit", &ftrace.inherit,
+ "Trace children processes"),
+ OPT_INTEGER('D', "delay", &ftrace.target.initial_delay,
+ "Number of milliseconds to wait before starting tracing after program start"),
+ OPT_PARENT(common_options),
+ };
+ const struct option latency_options[] = {
+ OPT_CALLBACK('T', "trace-funcs", &ftrace.filters, "func",
+ "Show latency of given function", parse_filter_func),
+ OPT_CALLBACK('e', "events", &ftrace.event_pair, "event1,event2",
+ "Show latency between the two events", parse_filter_event),
+#ifdef HAVE_BPF_SKEL
+ OPT_BOOLEAN('b', "use-bpf", &ftrace.target.use_bpf,
+ "Use BPF to measure function latency"),
+#endif
+ OPT_BOOLEAN('n', "use-nsec", &ftrace.use_nsec,
+ "Use nano-second histogram"),
+ OPT_UINTEGER(0, "bucket-range", &ftrace.bucket_range,
+ "Bucket range in ms or ns (-n/--use-nsec), default is log2() mode"),
+ OPT_UINTEGER(0, "min-latency", &ftrace.min_latency,
+ "Minimum latency (1st bucket). Works only with --bucket-range."),
+ OPT_UINTEGER(0, "max-latency", &ftrace.max_latency,
+ "Maximum latency (last bucket). Works only with --bucket-range."),
+ OPT_BOOLEAN(0, "hide-empty", &ftrace.hide_empty,
+ "Hide empty buckets in the histogram"),
+ OPT_PARENT(common_options),
+ };
+ const struct option profile_options[] = {
+ OPT_CALLBACK('T', "trace-funcs", &ftrace.filters, "func",
+ "Trace given functions using function tracer",
+ parse_filter_func),
+ OPT_CALLBACK('N', "notrace-funcs", &ftrace.notrace, "func",
+ "Do not trace given functions", parse_filter_func),
+ OPT_CALLBACK('G', "graph-funcs", &ftrace.graph_funcs, "func",
+ "Trace given functions using function_graph tracer",
+ parse_filter_func),
+ OPT_CALLBACK('g', "nograph-funcs", &ftrace.nograph_funcs, "func",
+ "Set nograph filter on given functions", parse_filter_func),
+ OPT_CALLBACK('m', "buffer-size", &ftrace.percpu_buffer_size, "size",
+ "Size of per cpu buffer, needs to use a B, K, M or G suffix.", parse_buffer_size),
+ OPT_CALLBACK('s', "sort", &profile_sort, "key",
+ "Sort result by key: total (default), avg, max, count, name.",
+ parse_sort_key),
+ OPT_CALLBACK(0, "graph-opts", &ftrace, "options",
+ "Graph tracer options, available options: nosleep-time,noirqs,thresh=<n>,depth=<n>",
+ parse_graph_tracer_opts),
+ OPT_PARENT(common_options),
+ };
+ const struct option *options = ftrace_options;
+
+ const char * const ftrace_usage[] = {
+ "perf ftrace [<options>] [<command>]",
+ "perf ftrace [<options>] -- [<command>] [<options>]",
+ "perf ftrace {trace|latency|profile} [<options>] [<command>]",
+ "perf ftrace {trace|latency|profile} [<options>] -- [<command>] [<options>]",
+ NULL
+ };
+ enum perf_ftrace_subcommand subcmd = PERF_FTRACE_NONE;
+
+ INIT_LIST_HEAD(&ftrace.filters);
+ INIT_LIST_HEAD(&ftrace.notrace);
+ INIT_LIST_HEAD(&ftrace.graph_funcs);
+ INIT_LIST_HEAD(&ftrace.nograph_funcs);
+ INIT_LIST_HEAD(&ftrace.event_pair);
+
+ signal(SIGINT, sig_handler);
+ signal(SIGUSR1, sig_handler);
+ signal(SIGCHLD, sig_handler);
+ signal(SIGPIPE, sig_handler);
+
+ if (!check_ftrace_capable())
+ return -1;
+
+ if (!is_ftrace_supported()) {
+ pr_err("ftrace is not supported on this system\n");
+ return -ENOTSUP;
+ }
ret = perf_config(perf_ftrace_config, &ftrace);
if (ret < 0)
return -1;
- argc = parse_options(argc, argv, ftrace_options, ftrace_usage,
+ if (argc > 1) {
+ if (!strcmp(argv[1], "trace")) {
+ subcmd = PERF_FTRACE_TRACE;
+ } else if (!strcmp(argv[1], "latency")) {
+ subcmd = PERF_FTRACE_LATENCY;
+ options = latency_options;
+ } else if (!strcmp(argv[1], "profile")) {
+ subcmd = PERF_FTRACE_PROFILE;
+ options = profile_options;
+ }
+
+ if (subcmd != PERF_FTRACE_NONE) {
+ argc--;
+ argv++;
+ }
+ }
+ /* for backward compatibility */
+ if (subcmd == PERF_FTRACE_NONE)
+ subcmd = PERF_FTRACE_TRACE;
+
+ argc = parse_options(argc, argv, options, ftrace_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
+ if (argc < 0) {
+ ret = -EINVAL;
+ goto out_delete_filters;
+ }
+
+ /* Make system wide (-a) the default target. */
if (!argc && target__none(&ftrace.target))
- usage_with_options(ftrace_usage, ftrace_options);
+ ftrace.target.system_wide = true;
+
+ switch (subcmd) {
+ case PERF_FTRACE_TRACE:
+ cmd_func = __cmd_ftrace;
+ break;
+ case PERF_FTRACE_LATENCY:
+ if (list_empty(&ftrace.filters) && list_empty(&ftrace.event_pair)) {
+ pr_err("Should provide a function or events to measure\n");
+ parse_options_usage(ftrace_usage, options, "T", 1);
+ parse_options_usage(NULL, options, "e", 1);
+ ret = -EINVAL;
+ goto out_delete_filters;
+ }
+ if (!list_empty(&ftrace.filters) && !list_empty(&ftrace.event_pair)) {
+ pr_err("Please specify either of function or events\n");
+ parse_options_usage(ftrace_usage, options, "T", 1);
+ parse_options_usage(NULL, options, "e", 1);
+ ret = -EINVAL;
+ goto out_delete_filters;
+ }
+ if (!list_empty(&ftrace.event_pair) && !ftrace.target.use_bpf) {
+ pr_err("Event processing needs BPF\n");
+ parse_options_usage(ftrace_usage, options, "b", 1);
+ parse_options_usage(NULL, options, "e", 1);
+ ret = -EINVAL;
+ goto out_delete_filters;
+ }
+ if (!ftrace.bucket_range && ftrace.min_latency) {
+ pr_err("--min-latency works only with --bucket-range\n");
+ parse_options_usage(ftrace_usage, options,
+ "min-latency", /*short_opt=*/false);
+ ret = -EINVAL;
+ goto out_delete_filters;
+ }
+ if (ftrace.bucket_range && !ftrace.min_latency) {
+ /* default min latency should be the bucket range */
+ ftrace.min_latency = ftrace.bucket_range;
+ }
+ if (!ftrace.bucket_range && ftrace.max_latency) {
+ pr_err("--max-latency works only with --bucket-range\n");
+ parse_options_usage(ftrace_usage, options,
+ "max-latency", /*short_opt=*/false);
+ ret = -EINVAL;
+ goto out_delete_filters;
+ }
+ if (ftrace.bucket_range && ftrace.max_latency &&
+ ftrace.max_latency < ftrace.min_latency + ftrace.bucket_range) {
+ /* we need at least 1 bucket excluding min and max buckets */
+ pr_err("--max-latency must be larger than min-latency + bucket-range\n");
+ parse_options_usage(ftrace_usage, options,
+ "max-latency", /*short_opt=*/false);
+ ret = -EINVAL;
+ goto out_delete_filters;
+ }
+ /* set default unless max_latency is set and valid */
+ ftrace.bucket_num = NUM_BUCKET;
+ if (ftrace.bucket_range) {
+ if (ftrace.max_latency)
+ ftrace.bucket_num = (ftrace.max_latency - ftrace.min_latency) /
+ ftrace.bucket_range + 2;
+ else
+ /* default max latency should depend on bucket range and num_buckets */
+ ftrace.max_latency = (NUM_BUCKET - 2) * ftrace.bucket_range +
+ ftrace.min_latency;
+ }
+ cmd_func = __cmd_latency;
+ break;
+ case PERF_FTRACE_PROFILE:
+ cmd_func = __cmd_profile;
+ break;
+ case PERF_FTRACE_NONE:
+ default:
+ pr_err("Invalid subcommand\n");
+ ret = -EINVAL;
+ goto out_delete_filters;
+ }
ret = target__validate(&ftrace.target);
if (ret) {
@@ -345,21 +1982,38 @@ int cmd_ftrace(int argc, const char **argv)
target__strerror(&ftrace.target, ret, errbuf, 512);
pr_err("%s\n", errbuf);
- return -EINVAL;
+ goto out_delete_filters;
}
- ftrace.evlist = perf_evlist__new();
- if (ftrace.evlist == NULL)
- return -ENOMEM;
+ ftrace.evlist = evlist__new();
+ if (ftrace.evlist == NULL) {
+ ret = -ENOMEM;
+ goto out_delete_filters;
+ }
- ret = perf_evlist__create_maps(ftrace.evlist, &ftrace.target);
+ ret = evlist__create_maps(ftrace.evlist, &ftrace.target);
if (ret < 0)
goto out_delete_evlist;
- ret = __cmd_ftrace(&ftrace, argc, argv);
+ if (argc) {
+ ret = evlist__prepare_workload(ftrace.evlist, &ftrace.target,
+ argv, false,
+ ftrace__workload_exec_failed_signal);
+ if (ret < 0)
+ goto out_delete_evlist;
+ }
+
+ ret = cmd_func(&ftrace);
out_delete_evlist:
- perf_evlist__delete(ftrace.evlist);
+ evlist__delete(ftrace.evlist);
+
+out_delete_filters:
+ delete_filter_func(&ftrace.filters);
+ delete_filter_func(&ftrace.notrace);
+ delete_filter_func(&ftrace.graph_funcs);
+ delete_filter_func(&ftrace.nograph_funcs);
+ delete_filter_func(&ftrace.event_pair);
return ret;
}
diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index 1eec96a0fa67..7be6fb6df595 100644
--- a/tools/perf/builtin-help.c
+++ b/tools/perf/builtin-help.c
@@ -1,10 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* builtin-help.c
*
* Builtin help command
*/
-#include "perf.h"
+#include "util/cache.h"
#include "util/config.h"
+#include "util/strbuf.h"
#include "builtin.h"
#include <subcmd/exec-cmd.h>
#include "common-cmds.h"
@@ -12,16 +14,28 @@
#include <subcmd/run-command.h>
#include <subcmd/help.h>
#include "util/debug.h"
+#include "util/util.h"
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/zalloc.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
static struct man_viewer_list {
struct man_viewer_list *next;
- char name[FLEX_ARRAY];
+ char name[0];
} *man_viewer_list;
static struct man_viewer_info_list {
struct man_viewer_info_list *next;
const char *info;
- char name[FLEX_ARRAY];
+ char name[0];
} *man_viewer_info_list;
enum help_format {
@@ -84,7 +98,7 @@ static int check_emacsclient_version(void)
*/
finish_command(&ec_process);
- if (prefixcmp(buffer.buf, "emacsclient")) {
+ if (!strstarts(buffer.buf, "emacsclient")) {
fprintf(stderr, "Failed to parse emacsclient version.\n");
goto out;
}
@@ -102,10 +116,14 @@ out:
return ret;
}
-static void exec_woman_emacs(const char *path, const char *page)
+static void exec_failed(const char *cmd)
{
char sbuf[STRERR_BUFSIZE];
+ pr_warning("failed to exec '%s': %s", cmd, str_error_r(errno, sbuf, sizeof(sbuf)));
+}
+static void exec_woman_emacs(const char *path, const char *page)
+{
if (!check_emacsclient_version()) {
/* This works only with emacsclient version >= 22. */
char *man_page;
@@ -116,8 +134,7 @@ static void exec_woman_emacs(const char *path, const char *page)
execlp(path, "emacsclient", "-e", man_page, NULL);
free(man_page);
}
- warning("failed to exec '%s': %s", path,
- str_error_r(errno, sbuf, sizeof(sbuf)));
+ exec_failed(path);
}
}
@@ -128,7 +145,6 @@ static void exec_man_konqueror(const char *path, const char *page)
if (display && *display) {
char *man_page;
const char *filename = "kfmclient";
- char sbuf[STRERR_BUFSIZE];
/* It's simpler to launch konqueror using kfmclient. */
if (path) {
@@ -149,33 +165,27 @@ static void exec_man_konqueror(const char *path, const char *page)
execlp(path, filename, "newTab", man_page, NULL);
free(man_page);
}
- warning("failed to exec '%s': %s", path,
- str_error_r(errno, sbuf, sizeof(sbuf)));
+ exec_failed(path);
}
}
static void exec_man_man(const char *path, const char *page)
{
- char sbuf[STRERR_BUFSIZE];
-
if (!path)
path = "man";
execlp(path, "man", page, NULL);
- warning("failed to exec '%s': %s", path,
- str_error_r(errno, sbuf, sizeof(sbuf)));
+ exec_failed(path);
}
static void exec_man_cmd(const char *cmd, const char *page)
{
- char sbuf[STRERR_BUFSIZE];
char *shell_cmd;
if (asprintf(&shell_cmd, "%s %s", cmd, page) > 0) {
execl("/bin/sh", "sh", "-c", shell_cmd, NULL);
free(shell_cmd);
}
- warning("failed to exec '%s': %s", cmd,
- str_error_r(errno, sbuf, sizeof(sbuf)));
+ exec_failed(cmd);
}
static void add_man_viewer(const char *name)
@@ -186,7 +196,7 @@ static void add_man_viewer(const char *name)
while (*p)
p = &((*p)->next);
*p = zalloc(sizeof(**p) + len + 1);
- strncpy((*p)->name, name, len);
+ strcpy((*p)->name, name);
}
static int supported_man_viewer(const char *name, size_t len)
@@ -208,6 +218,12 @@ static void do_add_man_viewer_info(const char *name,
man_viewer_info_list = new;
}
+static void unsupported_man_viewer(const char *name, const char *var)
+{
+ pr_warning("'%s': path for unsupported man viewer.\n"
+ "Please consider using 'man.<tool>.%s' instead.", name, var);
+}
+
static int add_man_viewer_path(const char *name,
size_t len,
const char *value)
@@ -215,9 +231,7 @@ static int add_man_viewer_path(const char *name,
if (supported_man_viewer(name, len))
do_add_man_viewer_info(name, len, value);
else
- warning("'%s': path for unsupported man viewer.\n"
- "Please consider using 'man.<tool>.cmd' instead.",
- name);
+ unsupported_man_viewer(name, "cmd");
return 0;
}
@@ -227,9 +241,7 @@ static int add_man_viewer_cmd(const char *name,
const char *value)
{
if (supported_man_viewer(name, len))
- warning("'%s': cmd for supported man viewer.\n"
- "Please consider using 'man.<tool>.path' instead.",
- name);
+ unsupported_man_viewer(name, "path");
else
do_add_man_viewer_info(name, len, value);
@@ -241,8 +253,10 @@ static int add_man_viewer_info(const char *var, const char *value)
const char *name = var + 4;
const char *subkey = strrchr(name, '.');
- if (!subkey)
- return error("Config with no key for man viewer: %s", name);
+ if (!subkey) {
+ pr_err("Config with no key for man viewer: %s", name);
+ return -1;
+ }
if (!strcmp(subkey, ".path")) {
if (!value)
@@ -255,7 +269,7 @@ static int add_man_viewer_info(const char *var, const char *value)
return add_man_viewer_cmd(name, subkey - name, value);
}
- warning("'%s': unsupported man viewer sub key.", subkey);
+ pr_warning("'%s': unsupported man viewer sub key.", subkey);
return 0;
}
@@ -277,7 +291,7 @@ static int perf_help_config(const char *var, const char *value, void *cb)
add_man_viewer(value);
return 0;
}
- if (!prefixcmp(var, "man."))
+ if (strstarts(var, "man."))
return add_man_viewer_info(var, value);
return 0;
@@ -307,7 +321,7 @@ static const char *cmd_to_page(const char *perf_cmd)
if (!perf_cmd)
return "perf";
- else if (!prefixcmp(perf_cmd, "perf"))
+ else if (strstarts(perf_cmd, "perf"))
return perf_cmd;
return asprintf(&s, "perf-%s", perf_cmd) < 0 ? NULL : s;
@@ -326,7 +340,7 @@ static void setup_man_path(void)
setenv("MANPATH", new_path, 1);
free(new_path);
} else {
- error("Unable to setup man path");
+ pr_err("Unable to setup man path");
}
}
@@ -343,7 +357,7 @@ static void exec_viewer(const char *name, const char *page)
else if (info)
exec_man_cmd(info, page);
else
- warning("'%s': unknown man viewer.", name);
+ pr_warning("'%s': unknown man viewer.", name);
}
static int show_man_page(const char *perf_cmd)
@@ -376,9 +390,10 @@ static int get_html_page_path(char **page_path, const char *page)
{
struct stat st;
const char *html_path = system_path(PERF_HTML_PATH);
+ char path[PATH_MAX];
/* Check that we have a perf documentation directory. */
- if (stat(mkpath("%s/perf.html", html_path), &st)
+ if (stat(mkpath(path, sizeof(path), "%s/perf.html", html_path), &st)
|| !S_ISREG(st.st_mode)) {
pr_err("'%s': not a documentation directory.", html_path);
return -1;
@@ -402,7 +417,7 @@ static void open_html(const char *path)
static int show_html_page(const char *perf_cmd)
{
const char *page = cmd_to_page(perf_cmd);
- char *page_path; /* it leaks but we exec bellow */
+ char *page_path; /* it leaks but we exec below */
if (get_html_page_path(&page_path, page) < 0)
return -1;
@@ -432,9 +447,7 @@ int cmd_help(int argc, const char **argv)
#ifdef HAVE_LIBELF_SUPPORT
"probe",
#endif
-#ifdef HAVE_LIBAUDIT_SUPPORT
"trace",
-#endif
NULL };
const char *builtin_help_usage[] = {
"perf help [--all] [--man|--web|--info] [command]",
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 42dff0b1375a..aa7be4fb5838 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* builtin-inject.c
*
@@ -7,10 +8,12 @@
*/
#include "builtin.h"
-#include "perf.h"
#include "util/color.h"
+#include "util/dso.h"
+#include "util/vdso.h"
#include "util/evlist.h"
#include "util/evsel.h"
+#include "util/map.h"
#include "util/session.h"
#include "util/tool.h"
#include "util/debug.h"
@@ -18,38 +21,149 @@
#include "util/data.h"
#include "util/auxtrace.h"
#include "util/jit.h"
+#include "util/string2.h"
+#include "util/symbol.h"
+#include "util/synthetic-events.h"
+#include "util/thread.h"
+#include "util/namespaces.h"
+#include "util/util.h"
+#include "util/tsc.h"
+#include <internal/lib.h>
+
+#include <linux/err.h>
#include <subcmd/parse-options.h>
+#include <uapi/linux/mman.h> /* To get things like MAP_HUGETLB even on older libc headers */
#include <linux/list.h>
+#include <linux/string.h>
+#include <linux/zalloc.h>
+#include <linux/hash.h>
+#include <ctype.h>
+#include <errno.h>
+#include <signal.h>
+#include <inttypes.h>
+
+struct guest_event {
+ struct perf_sample sample;
+ union perf_event *event;
+ char *event_buf;
+};
+
+struct guest_id {
+ /* hlist_node must be first, see free_hlist() */
+ struct hlist_node node;
+ u64 id;
+ u64 host_id;
+ u32 vcpu;
+};
+
+struct guest_tid {
+ /* hlist_node must be first, see free_hlist() */
+ struct hlist_node node;
+ /* Thread ID of QEMU thread */
+ u32 tid;
+ u32 vcpu;
+};
+
+struct guest_vcpu {
+ /* Current host CPU */
+ u32 cpu;
+ /* Thread ID of QEMU thread */
+ u32 tid;
+};
+
+struct guest_session {
+ char *perf_data_file;
+ u32 machine_pid;
+ u64 time_offset;
+ double time_scale;
+ struct perf_tool tool;
+ struct perf_data data;
+ struct perf_session *session;
+ char *tmp_file_name;
+ int tmp_fd;
+ struct perf_tsc_conversion host_tc;
+ struct perf_tsc_conversion guest_tc;
+ bool copy_kcore_dir;
+ bool have_tc;
+ bool fetched;
+ bool ready;
+ u16 dflt_id_hdr_size;
+ u64 dflt_id;
+ u64 highest_id;
+ /* Array of guest_vcpu */
+ struct guest_vcpu *vcpu;
+ size_t vcpu_cnt;
+ /* Hash table for guest_id */
+ struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
+ /* Hash table for guest_tid */
+ struct hlist_head tids[PERF_EVLIST__HLIST_SIZE];
+ /* Place to stash next guest event */
+ struct guest_event ev;
+};
+
+enum build_id_rewrite_style {
+ BID_RWS__NONE = 0,
+ BID_RWS__INJECT_HEADER_LAZY,
+ BID_RWS__INJECT_HEADER_ALL,
+ BID_RWS__MMAP2_BUILDID_ALL,
+ BID_RWS__MMAP2_BUILDID_LAZY,
+};
struct perf_inject {
struct perf_tool tool;
struct perf_session *session;
- bool build_ids;
+ enum build_id_rewrite_style build_id_style;
bool sched_stat;
bool have_auxtrace;
bool strip;
bool jit_mode;
+ bool in_place_update;
+ bool in_place_update_dry_run;
+ bool copy_kcore_dir;
const char *input_name;
- struct perf_data_file output;
+ struct perf_data output;
u64 bytes_written;
u64 aux_id;
struct list_head samples;
struct itrace_synth_opts itrace_synth_opts;
+ char *event_copy;
+ struct perf_file_section secs[HEADER_FEAT_BITS];
+ struct guest_session guest_session;
+ struct strlist *known_build_ids;
+ const struct evsel *mmap_evsel;
};
struct event_entry {
struct list_head node;
u32 tid;
- union perf_event event[0];
+ union perf_event event[];
};
+static int tool__inject_build_id(const struct perf_tool *tool,
+ struct perf_sample *sample,
+ struct machine *machine,
+ const struct evsel *evsel,
+ __u16 misc,
+ const char *filename,
+ struct dso *dso, u32 flags);
+static int tool__inject_mmap2_build_id(const struct perf_tool *tool,
+ struct perf_sample *sample,
+ struct machine *machine,
+ const struct evsel *evsel,
+ __u16 misc,
+ __u32 pid, __u32 tid,
+ __u64 start, __u64 len, __u64 pgoff,
+ struct dso *dso,
+ __u32 prot, __u32 flags,
+ const char *filename);
+
static int output_bytes(struct perf_inject *inject, void *buf, size_t sz)
{
ssize_t size;
- size = perf_data_file__write(&inject->output, buf, sz);
+ size = perf_data__write(&inject->output, buf, sz);
if (size < 0)
return -errno;
@@ -57,8 +171,9 @@ static int output_bytes(struct perf_inject *inject, void *buf, size_t sz)
return 0;
}
-static int perf_event__repipe_synth(struct perf_tool *tool,
+static int perf_event__repipe_synth(const struct perf_tool *tool,
union perf_event *event)
+
{
struct perf_inject *inject = container_of(tool, struct perf_inject,
tool);
@@ -66,7 +181,7 @@ static int perf_event__repipe_synth(struct perf_tool *tool,
return output_bytes(inject, event, event->header.size);
}
-static int perf_event__repipe_oe_synth(struct perf_tool *tool,
+static int perf_event__repipe_oe_synth(const struct perf_tool *tool,
union perf_event *event,
struct ordered_events *oe __maybe_unused)
{
@@ -74,7 +189,7 @@ static int perf_event__repipe_oe_synth(struct perf_tool *tool,
}
#ifdef HAVE_JITDUMP
-static int perf_event__drop_oe(struct perf_tool *tool __maybe_unused,
+static int perf_event__drop_oe(const struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct ordered_events *oe __maybe_unused)
{
@@ -82,17 +197,25 @@ static int perf_event__drop_oe(struct perf_tool *tool __maybe_unused,
}
#endif
-static int perf_event__repipe_op2_synth(struct perf_tool *tool,
+static int perf_event__repipe_op2_synth(const struct perf_tool *tool,
+ struct perf_session *session __maybe_unused,
+ union perf_event *event)
+{
+ return perf_event__repipe_synth(tool, event);
+}
+
+static int perf_event__repipe_op4_synth(const struct perf_tool *tool,
+ struct perf_session *session __maybe_unused,
union perf_event *event,
- struct perf_session *session
- __maybe_unused)
+ u64 data __maybe_unused,
+ const char *str __maybe_unused)
{
return perf_event__repipe_synth(tool, event);
}
-static int perf_event__repipe_attr(struct perf_tool *tool,
+static int perf_event__repipe_attr(const struct perf_tool *tool,
union perf_event *event,
- struct perf_evlist **pevlist)
+ struct evlist **pevlist)
{
struct perf_inject *inject = container_of(tool, struct perf_inject,
tool);
@@ -102,22 +225,28 @@ static int perf_event__repipe_attr(struct perf_tool *tool,
if (ret)
return ret;
+ /* If the output isn't a pipe then the attributes will be written as part of the header. */
if (!inject->output.is_pipe)
return 0;
return perf_event__repipe_synth(tool, event);
}
-#ifdef HAVE_AUXTRACE_SUPPORT
+static int perf_event__repipe_event_update(const struct perf_tool *tool,
+ union perf_event *event,
+ struct evlist **pevlist __maybe_unused)
+{
+ return perf_event__repipe_synth(tool, event);
+}
-static int copy_bytes(struct perf_inject *inject, int fd, off_t size)
+static int copy_bytes(struct perf_inject *inject, struct perf_data *data, off_t size)
{
char buf[4096];
ssize_t ssz;
int ret;
while (size > 0) {
- ssz = read(fd, buf, min(size, (off_t)sizeof(buf)));
+ ssz = perf_data__read(data, buf, min(size, (off_t)sizeof(buf)));
if (ssz < 0)
return -errno;
ret = output_bytes(inject, buf, ssz);
@@ -129,12 +258,11 @@ static int copy_bytes(struct perf_inject *inject, int fd, off_t size)
return 0;
}
-static s64 perf_event__repipe_auxtrace(struct perf_tool *tool,
- union perf_event *event,
- struct perf_session *session)
+static s64 perf_event__repipe_auxtrace(const struct perf_tool *tool,
+ struct perf_session *session,
+ union perf_event *event)
{
- struct perf_inject *inject = container_of(tool, struct perf_inject,
- tool);
+ struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
int ret;
inject->have_auxtrace = true;
@@ -142,7 +270,7 @@ static s64 perf_event__repipe_auxtrace(struct perf_tool *tool,
if (!inject->output.is_pipe) {
off_t offset;
- offset = lseek(inject->output.fd, 0, SEEK_CUR);
+ offset = lseek(inject->output.file.fd, 0, SEEK_CUR);
if (offset == -1)
return -errno;
ret = auxtrace_index__auxtrace_event(&session->auxtrace_index,
@@ -151,11 +279,11 @@ static s64 perf_event__repipe_auxtrace(struct perf_tool *tool,
return ret;
}
- if (perf_data_file__is_pipe(session->file) || !session->one_mmap) {
+ if (perf_data__is_pipe(session->data) || !session->one_mmap) {
ret = output_bytes(inject, event, event->header.size);
if (ret < 0)
return ret;
- ret = copy_bytes(inject, perf_data_file__fd(session->file),
+ ret = copy_bytes(inject, session->data,
event->auxtrace.size);
} else {
ret = output_bytes(inject, event,
@@ -167,20 +295,7 @@ static s64 perf_event__repipe_auxtrace(struct perf_tool *tool,
return event->auxtrace.size;
}
-#else
-
-static s64
-perf_event__repipe_auxtrace(struct perf_tool *tool __maybe_unused,
- union perf_event *event __maybe_unused,
- struct perf_session *session __maybe_unused)
-{
- pr_err("AUX area tracing not supported\n");
- return -EINVAL;
-}
-
-#endif
-
-static int perf_event__repipe(struct perf_tool *tool,
+static int perf_event__repipe(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
@@ -188,7 +303,7 @@ static int perf_event__repipe(struct perf_tool *tool,
return perf_event__repipe_synth(tool, event);
}
-static int perf_event__drop(struct perf_tool *tool __maybe_unused,
+static int perf_event__drop(const struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
@@ -196,7 +311,7 @@ static int perf_event__drop(struct perf_tool *tool __maybe_unused,
return 0;
}
-static int perf_event__drop_aux(struct perf_tool *tool,
+static int perf_event__drop_aux(const struct perf_tool *tool,
union perf_event *event __maybe_unused,
struct perf_sample *sample,
struct machine *machine __maybe_unused)
@@ -209,105 +324,279 @@ static int perf_event__drop_aux(struct perf_tool *tool,
return 0;
}
-typedef int (*inject_handler)(struct perf_tool *tool,
+static union perf_event *
+perf_inject__cut_auxtrace_sample(struct perf_inject *inject,
+ union perf_event *event,
+ struct perf_sample *sample)
+{
+ size_t sz1 = sample->aux_sample.data - (void *)event;
+ size_t sz2 = event->header.size - sample->aux_sample.size - sz1;
+ union perf_event *ev;
+
+ if (inject->event_copy == NULL) {
+ inject->event_copy = malloc(PERF_SAMPLE_MAX_SIZE);
+ if (!inject->event_copy)
+ return ERR_PTR(-ENOMEM);
+ }
+ ev = (union perf_event *)inject->event_copy;
+ if (sz1 > event->header.size || sz2 > event->header.size ||
+ sz1 + sz2 > event->header.size ||
+ sz1 < sizeof(struct perf_event_header) + sizeof(u64))
+ return event;
+
+ memcpy(ev, event, sz1);
+ memcpy((void *)ev + sz1, (void *)event + event->header.size - sz2, sz2);
+ ev->header.size = sz1 + sz2;
+ ((u64 *)((void *)ev + sz1))[-1] = 0;
+
+ return ev;
+}
+
+typedef int (*inject_handler)(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine);
-static int perf_event__repipe_sample(struct perf_tool *tool,
+static int perf_event__repipe_sample(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
- if (evsel->handler) {
+ struct perf_inject *inject = container_of(tool, struct perf_inject,
+ tool);
+
+ if (evsel && evsel->handler) {
inject_handler f = evsel->handler;
return f(tool, event, sample, evsel, machine);
}
build_id__mark_dso_hit(tool, event, sample, evsel, machine);
+ if (inject->itrace_synth_opts.set && sample->aux_sample.size) {
+ event = perf_inject__cut_auxtrace_sample(inject, event, sample);
+ if (IS_ERR(event))
+ return PTR_ERR(event);
+ }
+
return perf_event__repipe_synth(tool, event);
}
-static int perf_event__repipe_mmap(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
+static struct dso *findnew_dso(int pid, int tid, const char *filename,
+ const struct dso_id *id, struct machine *machine)
{
- int err;
+ struct thread *thread;
+ struct nsinfo *nsi = NULL;
+ struct nsinfo *nnsi;
+ struct dso *dso;
+ bool vdso;
- err = perf_event__process_mmap(tool, event, sample, machine);
- perf_event__repipe(tool, event, sample, machine);
+ thread = machine__findnew_thread(machine, pid, tid);
+ if (thread == NULL) {
+ pr_err("cannot find or create a task %d/%d.\n", tid, pid);
+ return NULL;
+ }
- return err;
+ vdso = is_vdso_map(filename);
+ nsi = nsinfo__get(thread__nsinfo(thread));
+
+ if (vdso) {
+ /* The vdso maps are always on the host and not the
+ * container. Ensure that we don't use setns to look
+ * them up.
+ */
+ nnsi = nsinfo__copy(nsi);
+ if (nnsi) {
+ nsinfo__put(nsi);
+ nsinfo__clear_need_setns(nnsi);
+ nsi = nnsi;
+ }
+ dso = machine__findnew_vdso(machine, thread);
+ } else {
+ dso = machine__findnew_dso_id(machine, filename, id);
+ }
+
+ if (dso) {
+ mutex_lock(dso__lock(dso));
+ dso__set_nsinfo(dso, nsi);
+ mutex_unlock(dso__lock(dso));
+ } else
+ nsinfo__put(nsi);
+
+ thread__put(thread);
+ return dso;
}
-#ifdef HAVE_JITDUMP
-static int perf_event__jit_repipe_mmap(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
+/*
+ * The evsel used for the sample ID for mmap events. Typically stashed when
+ * processing mmap events. If not stashed, search the evlist for the first mmap
+ * gathering event.
+ */
+static const struct evsel *inject__mmap_evsel(struct perf_inject *inject)
{
- struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
- u64 n = 0;
- int ret;
+ struct evsel *pos;
- /*
- * if jit marker, then inject jit mmaps and generate ELF images
- */
- ret = jit_process(inject->session, &inject->output, machine,
- event->mmap.filename, sample->pid, &n);
- if (ret < 0)
- return ret;
- if (ret) {
- inject->bytes_written += n;
- return 0;
+ if (inject->mmap_evsel)
+ return inject->mmap_evsel;
+
+ evlist__for_each_entry(inject->session->evlist, pos) {
+ if (pos->core.attr.mmap) {
+ inject->mmap_evsel = pos;
+ return pos;
+ }
}
- return perf_event__repipe_mmap(tool, event, sample, machine);
+ pr_err("No mmap events found\n");
+ return NULL;
}
-#endif
-static int perf_event__repipe_mmap2(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
+static int perf_event__repipe_common_mmap(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine,
+ __u32 pid, __u32 tid,
+ __u64 start, __u64 len, __u64 pgoff,
+ __u32 flags, __u32 prot,
+ const char *filename,
+ const struct dso_id *dso_id,
+ int (*perf_event_process)(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine))
{
- int err;
+ struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
+ struct dso *dso = NULL;
+ bool dso_sought = false;
- err = perf_event__process_mmap2(tool, event, sample, machine);
- perf_event__repipe(tool, event, sample, machine);
+#ifdef HAVE_JITDUMP
+ if (inject->jit_mode) {
+ u64 n = 0;
+ int ret;
- return err;
+ /* If jit marker, then inject jit mmaps and generate ELF images. */
+ ret = jit_process(inject->session, &inject->output, machine,
+ filename, pid, tid, &n);
+ if (ret < 0)
+ return ret;
+ if (ret) {
+ inject->bytes_written += n;
+ return 0;
+ }
+ }
+#endif
+ if (event->header.misc & PERF_RECORD_MISC_MMAP_BUILD_ID) {
+ dso = findnew_dso(pid, tid, filename, dso_id, machine);
+ dso_sought = true;
+ if (dso) {
+ /* mark it not to inject build-id */
+ dso__set_hit(dso);
+ }
+ }
+ if (inject->build_id_style == BID_RWS__INJECT_HEADER_ALL) {
+ if (!dso_sought) {
+ dso = findnew_dso(pid, tid, filename, dso_id, machine);
+ dso_sought = true;
+ }
+
+ if (dso && !dso__hit(dso)) {
+ struct evsel *evsel = evlist__event2evsel(inject->session->evlist, event);
+
+ if (evsel) {
+ dso__set_hit(dso);
+ tool__inject_build_id(tool, sample, machine, evsel,
+ /*misc=*/sample->cpumode,
+ filename, dso, flags);
+ }
+ }
+ } else {
+ int err;
+
+ /*
+ * Remember the evsel for lazy build id generation. It is used
+ * for the sample id header type.
+ */
+ if ((inject->build_id_style == BID_RWS__INJECT_HEADER_LAZY ||
+ inject->build_id_style == BID_RWS__MMAP2_BUILDID_LAZY) &&
+ !inject->mmap_evsel)
+ inject->mmap_evsel = evlist__event2evsel(inject->session->evlist, event);
+
+ /* Create the thread, map, etc. Not done for the unordered inject all case. */
+ err = perf_event_process(tool, event, sample, machine);
+
+ if (err) {
+ dso__put(dso);
+ return err;
+ }
+ }
+ if ((inject->build_id_style == BID_RWS__MMAP2_BUILDID_ALL) &&
+ !(event->header.misc & PERF_RECORD_MISC_MMAP_BUILD_ID)) {
+ struct evsel *evsel = evlist__event2evsel(inject->session->evlist, event);
+
+ if (evsel && !dso_sought) {
+ dso = findnew_dso(pid, tid, filename, dso_id, machine);
+ dso_sought = true;
+ }
+ if (evsel && dso &&
+ !tool__inject_mmap2_build_id(tool, sample, machine, evsel,
+ sample->cpumode | PERF_RECORD_MISC_MMAP_BUILD_ID,
+ pid, tid, start, len, pgoff,
+ dso,
+ prot, flags,
+ filename)) {
+ /* Injected mmap2 so no need to repipe. */
+ dso__put(dso);
+ return 0;
+ }
+ }
+ dso__put(dso);
+ if (inject->build_id_style == BID_RWS__MMAP2_BUILDID_LAZY)
+ return 0;
+
+ return perf_event__repipe(tool, event, sample, machine);
}
-#ifdef HAVE_JITDUMP
-static int perf_event__jit_repipe_mmap2(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
+static int perf_event__repipe_mmap(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
{
- struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
- u64 n = 0;
- int ret;
+ return perf_event__repipe_common_mmap(
+ tool, event, sample, machine,
+ event->mmap.pid, event->mmap.tid,
+ event->mmap.start, event->mmap.len, event->mmap.pgoff,
+ /*flags=*/0, PROT_EXEC,
+ event->mmap.filename, /*dso_id=*/NULL,
+ perf_event__process_mmap);
+}
- /*
- * if jit marker, then inject jit mmaps and generate ELF images
- */
- ret = jit_process(inject->session, &inject->output, machine,
- event->mmap2.filename, sample->pid, &n);
- if (ret < 0)
- return ret;
- if (ret) {
- inject->bytes_written += n;
- return 0;
+static int perf_event__repipe_mmap2(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct dso_id id = dso_id_empty;
+
+ if (event->header.misc & PERF_RECORD_MISC_MMAP_BUILD_ID) {
+ build_id__init(&id.build_id, event->mmap2.build_id, event->mmap2.build_id_size);
+ } else {
+ id.maj = event->mmap2.maj;
+ id.min = event->mmap2.min;
+ id.ino = event->mmap2.ino;
+ id.ino_generation = event->mmap2.ino_generation;
+ id.mmap2_valid = true;
+ id.mmap2_ino_generation_valid = true;
}
- return perf_event__repipe_mmap2(tool, event, sample, machine);
+
+ return perf_event__repipe_common_mmap(
+ tool, event, sample, machine,
+ event->mmap2.pid, event->mmap2.tid,
+ event->mmap2.start, event->mmap2.len, event->mmap2.pgoff,
+ event->mmap2.flags, event->mmap2.prot,
+ event->mmap2.filename, &id,
+ perf_event__process_mmap2);
}
-#endif
-static int perf_event__repipe_fork(struct perf_tool *tool,
+static int perf_event__repipe_fork(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
@@ -320,7 +609,7 @@ static int perf_event__repipe_fork(struct perf_tool *tool,
return err;
}
-static int perf_event__repipe_comm(struct perf_tool *tool,
+static int perf_event__repipe_comm(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
@@ -333,7 +622,7 @@ static int perf_event__repipe_comm(struct perf_tool *tool,
return err;
}
-static int perf_event__repipe_namespaces(struct perf_tool *tool,
+static int perf_event__repipe_namespaces(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
@@ -345,7 +634,7 @@ static int perf_event__repipe_namespaces(struct perf_tool *tool,
return err;
}
-static int perf_event__repipe_exit(struct perf_tool *tool,
+static int perf_event__repipe_exit(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
@@ -358,77 +647,282 @@ static int perf_event__repipe_exit(struct perf_tool *tool,
return err;
}
-static int perf_event__repipe_tracing_data(struct perf_tool *tool,
- union perf_event *event,
- struct perf_session *session)
+#ifdef HAVE_LIBTRACEEVENT
+static int perf_event__repipe_tracing_data(const struct perf_tool *tool,
+ struct perf_session *session,
+ union perf_event *event)
{
- int err;
-
perf_event__repipe_synth(tool, event);
- err = perf_event__process_tracing_data(tool, event, session);
- return err;
+ return perf_event__process_tracing_data(tool, session, event);
}
+#endif
-static int perf_event__repipe_id_index(struct perf_tool *tool,
- union perf_event *event,
- struct perf_session *session)
+static int dso__read_build_id(struct dso *dso)
{
- int err;
+ struct nscookie nsc;
+ struct build_id bid = { .size = 0, };
- perf_event__repipe_synth(tool, event);
- err = perf_event__process_id_index(tool, event, session);
+ if (dso__has_build_id(dso))
+ return 0;
- return err;
+ mutex_lock(dso__lock(dso));
+ nsinfo__mountns_enter(dso__nsinfo(dso), &nsc);
+ if (filename__read_build_id(dso__long_name(dso), &bid) > 0)
+ dso__set_build_id(dso, &bid);
+ else if (dso__nsinfo(dso)) {
+ char *new_name = dso__filename_with_chroot(dso, dso__long_name(dso));
+
+ if (new_name && filename__read_build_id(new_name, &bid) > 0)
+ dso__set_build_id(dso, &bid);
+ free(new_name);
+ }
+ nsinfo__mountns_exit(&nsc);
+ mutex_unlock(dso__lock(dso));
+
+ return dso__has_build_id(dso) ? 0 : -1;
}
-static int dso__read_build_id(struct dso *dso)
+static struct strlist *perf_inject__parse_known_build_ids(
+ const char *known_build_ids_string)
{
- if (dso->has_build_id)
- return 0;
-
- if (filename__read_build_id(dso->long_name, dso->build_id,
- sizeof(dso->build_id)) > 0) {
- dso->has_build_id = true;
- return 0;
+ struct str_node *pos, *tmp;
+ struct strlist *known_build_ids;
+ int bid_len;
+
+ known_build_ids = strlist__new(known_build_ids_string, NULL);
+ if (known_build_ids == NULL)
+ return NULL;
+ strlist__for_each_entry_safe(pos, tmp, known_build_ids) {
+ const char *build_id, *dso_name;
+
+ build_id = skip_spaces(pos->s);
+ dso_name = strchr(build_id, ' ');
+ if (dso_name == NULL) {
+ strlist__remove(known_build_ids, pos);
+ continue;
+ }
+ bid_len = dso_name - pos->s;
+ dso_name = skip_spaces(dso_name);
+ if (bid_len % 2 != 0 || bid_len >= SBUILD_ID_SIZE) {
+ strlist__remove(known_build_ids, pos);
+ continue;
+ }
+ for (int ix = 0; 2 * ix + 1 < bid_len; ++ix) {
+ if (!isxdigit(build_id[2 * ix]) ||
+ !isxdigit(build_id[2 * ix + 1])) {
+ strlist__remove(known_build_ids, pos);
+ break;
+ }
+ }
}
+ return known_build_ids;
+}
- return -1;
+static bool perf_inject__lookup_known_build_id(struct perf_inject *inject,
+ struct dso *dso)
+{
+ struct str_node *pos;
+
+ strlist__for_each_entry(pos, inject->known_build_ids) {
+ struct build_id bid;
+ const char *build_id, *dso_name;
+ size_t bid_len;
+
+ build_id = skip_spaces(pos->s);
+ dso_name = strchr(build_id, ' ');
+ bid_len = dso_name - pos->s;
+ if (bid_len > sizeof(bid.data))
+ bid_len = sizeof(bid.data);
+ dso_name = skip_spaces(dso_name);
+ if (strcmp(dso__long_name(dso), dso_name))
+ continue;
+ for (size_t ix = 0; 2 * ix + 1 < bid_len; ++ix) {
+ bid.data[ix] = (hex(build_id[2 * ix]) << 4 |
+ hex(build_id[2 * ix + 1]));
+ }
+ bid.size = bid_len / 2;
+ dso__set_build_id(dso, &bid);
+ return true;
+ }
+ return false;
}
-static int dso__inject_build_id(struct dso *dso, struct perf_tool *tool,
- struct machine *machine)
+static int tool__inject_build_id(const struct perf_tool *tool,
+ struct perf_sample *sample,
+ struct machine *machine,
+ const struct evsel *evsel,
+ __u16 misc,
+ const char *filename,
+ struct dso *dso, u32 flags)
{
- u16 misc = PERF_RECORD_MISC_USER;
+ struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
int err;
+ if (is_anon_memory(filename) || flags & MAP_HUGETLB)
+ return 0;
+ if (is_no_dso_memory(filename))
+ return 0;
+
+ if (inject->known_build_ids != NULL &&
+ perf_inject__lookup_known_build_id(inject, dso))
+ return 1;
+
if (dso__read_build_id(dso) < 0) {
- pr_debug("no build_id found for %s\n", dso->long_name);
+ pr_debug("no build_id found for %s\n", filename);
+ return -1;
+ }
+
+ err = perf_event__synthesize_build_id(tool, sample, machine,
+ perf_event__repipe,
+ evsel, misc, dso__bid(dso),
+ filename);
+ if (err) {
+ pr_err("Can't synthesize build_id event for %s\n", filename);
return -1;
}
- if (dso->kernel)
- misc = PERF_RECORD_MISC_KERNEL;
+ return 0;
+}
+
+static int tool__inject_mmap2_build_id(const struct perf_tool *tool,
+ struct perf_sample *sample,
+ struct machine *machine,
+ const struct evsel *evsel,
+ __u16 misc,
+ __u32 pid, __u32 tid,
+ __u64 start, __u64 len, __u64 pgoff,
+ struct dso *dso,
+ __u32 prot, __u32 flags,
+ const char *filename)
+{
+ int err;
+
+ /* Return to repipe anonymous maps. */
+ if (is_anon_memory(filename) || flags & MAP_HUGETLB)
+ return 1;
+ if (is_no_dso_memory(filename))
+ return 1;
+
+ if (dso__read_build_id(dso)) {
+ pr_debug("no build_id found for %s\n", filename);
+ return -1;
+ }
- err = perf_event__synthesize_build_id(tool, dso, misc, perf_event__repipe,
- machine);
+ err = perf_event__synthesize_mmap2_build_id(tool, sample, machine,
+ perf_event__repipe,
+ evsel,
+ misc, pid, tid,
+ start, len, pgoff,
+ dso__bid(dso),
+ prot, flags,
+ filename);
if (err) {
- pr_err("Can't synthesize build_id event for %s\n", dso->long_name);
+ pr_err("Can't synthesize build_id event for %s\n", filename);
return -1;
}
+ return 0;
+}
+
+static int mark_dso_hit(const struct perf_inject *inject,
+ const struct perf_tool *tool,
+ struct perf_sample *sample,
+ struct machine *machine,
+ const struct evsel *mmap_evsel,
+ struct map *map, bool sample_in_dso)
+{
+ struct dso *dso;
+ u16 misc = sample->cpumode;
+ if (!map)
+ return 0;
+
+ if (!sample_in_dso) {
+ u16 guest_mask = PERF_RECORD_MISC_GUEST_KERNEL |
+ PERF_RECORD_MISC_GUEST_USER;
+
+ if ((misc & guest_mask) != 0) {
+ misc &= PERF_RECORD_MISC_HYPERVISOR;
+ misc |= __map__is_kernel(map)
+ ? PERF_RECORD_MISC_GUEST_KERNEL
+ : PERF_RECORD_MISC_GUEST_USER;
+ } else {
+ misc &= PERF_RECORD_MISC_HYPERVISOR;
+ misc |= __map__is_kernel(map)
+ ? PERF_RECORD_MISC_KERNEL
+ : PERF_RECORD_MISC_USER;
+ }
+ }
+ dso = map__dso(map);
+ if (inject->build_id_style == BID_RWS__INJECT_HEADER_LAZY) {
+ if (dso && !dso__hit(dso)) {
+ dso__set_hit(dso);
+ tool__inject_build_id(tool, sample, machine,
+ mmap_evsel, misc, dso__long_name(dso), dso,
+ map__flags(map));
+ }
+ } else if (inject->build_id_style == BID_RWS__MMAP2_BUILDID_LAZY) {
+ if (!map__hit(map)) {
+ const struct build_id null_bid = { .size = 0 };
+ const struct build_id *bid = dso ? dso__bid(dso) : &null_bid;
+ const char *filename = dso ? dso__long_name(dso) : "";
+
+ map__set_hit(map);
+ perf_event__synthesize_mmap2_build_id(tool, sample, machine,
+ perf_event__repipe,
+ mmap_evsel,
+ misc,
+ sample->pid, sample->tid,
+ map__start(map),
+ map__end(map) - map__start(map),
+ map__pgoff(map),
+ bid,
+ map__prot(map),
+ map__flags(map),
+ filename);
+ }
+ }
return 0;
}
-static int perf_event__inject_buildid(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct perf_evsel *evsel __maybe_unused,
- struct machine *machine)
+struct mark_dso_hit_args {
+ const struct perf_inject *inject;
+ const struct perf_tool *tool;
+ struct perf_sample *sample;
+ struct machine *machine;
+ const struct evsel *mmap_evsel;
+};
+
+static int mark_dso_hit_callback(struct callchain_cursor_node *node, void *data)
+{
+ struct mark_dso_hit_args *args = data;
+ struct map *map = node->ms.map;
+
+ return mark_dso_hit(args->inject, args->tool, args->sample, args->machine,
+ args->mmap_evsel, map, /*sample_in_dso=*/false);
+}
+
+int perf_event__inject_buildid(const struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample,
+ struct evsel *evsel __maybe_unused,
+ struct machine *machine)
{
struct addr_location al;
struct thread *thread;
+ struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
+ struct mark_dso_hit_args args = {
+ .inject = inject,
+ .tool = tool,
+ /*
+ * Use the parsed sample data of the sample event, which will
+ * have a later timestamp than the mmap event.
+ */
+ .sample = sample,
+ .machine = machine,
+ .mmap_evsel = inject__mmap_evsel(inject),
+ };
+ addr_location__init(&al);
thread = machine__findnew_thread(machine, sample->pid, sample->tid);
if (thread == NULL) {
pr_err("problem processing %d event, skipping it.\n",
@@ -436,37 +930,25 @@ static int perf_event__inject_buildid(struct perf_tool *tool,
goto repipe;
}
- thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, sample->ip, &al);
-
- if (al.map != NULL) {
- if (!al.map->dso->hit) {
- al.map->dso->hit = 1;
- if (map__load(al.map) >= 0) {
- dso__inject_build_id(al.map->dso, tool, machine);
- /*
- * If this fails, too bad, let the other side
- * account this as unresolved.
- */
- } else {
-#ifdef HAVE_LIBELF_SUPPORT
- pr_warning("no symbols found in %s, maybe "
- "install a debug package?\n",
- al.map->dso->long_name);
-#endif
- }
- }
+ if (thread__find_map(thread, sample->cpumode, sample->ip, &al)) {
+ mark_dso_hit(inject, tool, sample, machine, args.mmap_evsel, al.map,
+ /*sample_in_dso=*/true);
}
+ sample__for_each_callchain_node(thread, evsel, sample, PERF_MAX_STACK_DEPTH,
+ /*symbols=*/false, mark_dso_hit_callback, &args);
+
thread__put(thread);
repipe:
perf_event__repipe(tool, event, sample, machine);
+ addr_location__exit(&al);
return 0;
}
-static int perf_inject__sched_process_exit(struct perf_tool *tool,
+static int perf_inject__sched_process_exit(const struct perf_tool *tool,
union perf_event *event __maybe_unused,
struct perf_sample *sample,
- struct perf_evsel *evsel __maybe_unused,
+ struct evsel *evsel __maybe_unused,
struct machine *machine __maybe_unused)
{
struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
@@ -483,10 +965,10 @@ static int perf_inject__sched_process_exit(struct perf_tool *tool,
return 0;
}
-static int perf_inject__sched_switch(struct perf_tool *tool,
+static int perf_inject__sched_switch(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
@@ -507,17 +989,18 @@ static int perf_inject__sched_switch(struct perf_tool *tool,
return 0;
}
-static int perf_inject__sched_stat(struct perf_tool *tool,
+#ifdef HAVE_LIBTRACEEVENT
+static int perf_inject__sched_stat(const struct perf_tool *tool,
union perf_event *event __maybe_unused,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
struct event_entry *ent;
union perf_event *event_sw;
struct perf_sample sample_sw;
struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
- u32 pid = perf_evsel__intval(evsel, sample, "pid");
+ u32 pid = evsel__intval(evsel, sample, "pid");
list_for_each_entry(ent, &inject->samples, node) {
if (pid == ent->tid)
@@ -527,27 +1010,885 @@ static int perf_inject__sched_stat(struct perf_tool *tool,
return 0;
found:
event_sw = &ent->event[0];
- perf_evsel__parse_sample(evsel, event_sw, &sample_sw);
+ evsel__parse_sample(evsel, event_sw, &sample_sw);
sample_sw.period = sample->period;
sample_sw.time = sample->time;
- perf_event__synthesize_sample(event_sw, evsel->attr.sample_type,
- evsel->attr.read_format, &sample_sw,
- false);
+ perf_event__synthesize_sample(event_sw, evsel->core.attr.sample_type,
+ evsel->core.attr.read_format, &sample_sw);
build_id__mark_dso_hit(tool, event_sw, &sample_sw, evsel, machine);
return perf_event__repipe(tool, event_sw, &sample_sw, machine);
}
+#endif
+
+static struct guest_vcpu *guest_session__vcpu(struct guest_session *gs, u32 vcpu)
+{
+ if (realloc_array_as_needed(gs->vcpu, gs->vcpu_cnt, vcpu, NULL))
+ return NULL;
+ return &gs->vcpu[vcpu];
+}
+
+static int guest_session__output_bytes(struct guest_session *gs, void *buf, size_t sz)
+{
+ ssize_t ret = writen(gs->tmp_fd, buf, sz);
+
+ return ret < 0 ? ret : 0;
+}
+
+static int guest_session__repipe(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ struct guest_session *gs = container_of(tool, struct guest_session, tool);
+
+ return guest_session__output_bytes(gs, event, event->header.size);
+}
+
+static int guest_session__map_tid(struct guest_session *gs, u32 tid, u32 vcpu)
+{
+ struct guest_tid *guest_tid = zalloc(sizeof(*guest_tid));
+ int hash;
+
+ if (!guest_tid)
+ return -ENOMEM;
+
+ guest_tid->tid = tid;
+ guest_tid->vcpu = vcpu;
+ hash = hash_32(guest_tid->tid, PERF_EVLIST__HLIST_BITS);
+ hlist_add_head(&guest_tid->node, &gs->tids[hash]);
+
+ return 0;
+}
+
+static int host_peek_vm_comms_cb(struct perf_session *session __maybe_unused,
+ union perf_event *event,
+ u64 offset __maybe_unused, void *data)
+{
+ struct guest_session *gs = data;
+ unsigned int vcpu;
+ struct guest_vcpu *guest_vcpu;
+ int ret;
+
+ if (event->header.type != PERF_RECORD_COMM ||
+ event->comm.pid != gs->machine_pid)
+ return 0;
+
+ /*
+ * QEMU option -name debug-threads=on, causes thread names formatted as
+ * below, although it is not an ABI. Also libvirt seems to use this by
+ * default. Here we rely on it to tell us which thread is which VCPU.
+ */
+ ret = sscanf(event->comm.comm, "CPU %u/KVM", &vcpu);
+ if (ret <= 0)
+ return ret;
+ pr_debug("Found VCPU: tid %u comm %s vcpu %u\n",
+ event->comm.tid, event->comm.comm, vcpu);
+ if (vcpu > INT_MAX) {
+ pr_err("Invalid VCPU %u\n", vcpu);
+ return -EINVAL;
+ }
+ guest_vcpu = guest_session__vcpu(gs, vcpu);
+ if (!guest_vcpu)
+ return -ENOMEM;
+ if (guest_vcpu->tid && guest_vcpu->tid != event->comm.tid) {
+ pr_err("Fatal error: Two threads found with the same VCPU\n");
+ return -EINVAL;
+ }
+ guest_vcpu->tid = event->comm.tid;
+
+ return guest_session__map_tid(gs, event->comm.tid, vcpu);
+}
+
+static int host_peek_vm_comms(struct perf_session *session, struct guest_session *gs)
+{
+ return perf_session__peek_events(session, session->header.data_offset,
+ session->header.data_size,
+ host_peek_vm_comms_cb, gs);
+}
+
+static bool evlist__is_id_used(struct evlist *evlist, u64 id)
+{
+ return evlist__id2sid(evlist, id);
+}
+
+static u64 guest_session__allocate_new_id(struct guest_session *gs, struct evlist *host_evlist)
+{
+ do {
+ gs->highest_id += 1;
+ } while (!gs->highest_id || evlist__is_id_used(host_evlist, gs->highest_id));
+
+ return gs->highest_id;
+}
+
+static int guest_session__map_id(struct guest_session *gs, u64 id, u64 host_id, u32 vcpu)
+{
+ struct guest_id *guest_id = zalloc(sizeof(*guest_id));
+ int hash;
+
+ if (!guest_id)
+ return -ENOMEM;
+
+ guest_id->id = id;
+ guest_id->host_id = host_id;
+ guest_id->vcpu = vcpu;
+ hash = hash_64(guest_id->id, PERF_EVLIST__HLIST_BITS);
+ hlist_add_head(&guest_id->node, &gs->heads[hash]);
+
+ return 0;
+}
+
+static u64 evlist__find_highest_id(struct evlist *evlist)
+{
+ struct evsel *evsel;
+ u64 highest_id = 1;
+
+ evlist__for_each_entry(evlist, evsel) {
+ u32 j;
+
+ for (j = 0; j < evsel->core.ids; j++) {
+ u64 id = evsel->core.id[j];
+
+ if (id > highest_id)
+ highest_id = id;
+ }
+ }
+
+ return highest_id;
+}
+
+static int guest_session__map_ids(struct guest_session *gs, struct evlist *host_evlist)
+{
+ struct evlist *evlist = gs->session->evlist;
+ struct evsel *evsel;
+ int ret;
+
+ evlist__for_each_entry(evlist, evsel) {
+ u32 j;
+
+ for (j = 0; j < evsel->core.ids; j++) {
+ struct perf_sample_id *sid;
+ u64 host_id;
+ u64 id;
+
+ id = evsel->core.id[j];
+ sid = evlist__id2sid(evlist, id);
+ if (!sid || sid->cpu.cpu == -1)
+ continue;
+ host_id = guest_session__allocate_new_id(gs, host_evlist);
+ ret = guest_session__map_id(gs, id, host_id, sid->cpu.cpu);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static struct guest_id *guest_session__lookup_id(struct guest_session *gs, u64 id)
+{
+ struct hlist_head *head;
+ struct guest_id *guest_id;
+ int hash;
+
+ hash = hash_64(id, PERF_EVLIST__HLIST_BITS);
+ head = &gs->heads[hash];
+
+ hlist_for_each_entry(guest_id, head, node)
+ if (guest_id->id == id)
+ return guest_id;
+
+ return NULL;
+}
+
+static int process_attr(const struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
+
+ return perf_event__process_attr(tool, event, &inject->session->evlist);
+}
+
+static int guest_session__add_attr(struct guest_session *gs, struct evsel *evsel)
+{
+ struct perf_inject *inject = container_of(gs, struct perf_inject, guest_session);
+ struct perf_event_attr attr = evsel->core.attr;
+ u64 *id_array;
+ u32 *vcpu_array;
+ int ret = -ENOMEM;
+ u32 i;
+
+ id_array = calloc(evsel->core.ids, sizeof(*id_array));
+ if (!id_array)
+ return -ENOMEM;
+
+ vcpu_array = calloc(evsel->core.ids, sizeof(*vcpu_array));
+ if (!vcpu_array)
+ goto out;
+
+ for (i = 0; i < evsel->core.ids; i++) {
+ u64 id = evsel->core.id[i];
+ struct guest_id *guest_id = guest_session__lookup_id(gs, id);
+
+ if (!guest_id) {
+ pr_err("Failed to find guest id %"PRIu64"\n", id);
+ ret = -EINVAL;
+ goto out;
+ }
+ id_array[i] = guest_id->host_id;
+ vcpu_array[i] = guest_id->vcpu;
+ }
+
+ attr.sample_type |= PERF_SAMPLE_IDENTIFIER;
+ attr.exclude_host = 1;
+ attr.exclude_guest = 0;
+
+ ret = perf_event__synthesize_attr(&inject->tool, &attr, evsel->core.ids,
+ id_array, process_attr);
+ if (ret)
+ pr_err("Failed to add guest attr.\n");
+
+ for (i = 0; i < evsel->core.ids; i++) {
+ struct perf_sample_id *sid;
+ u32 vcpu = vcpu_array[i];
+
+ sid = evlist__id2sid(inject->session->evlist, id_array[i]);
+ /* Guest event is per-thread from the host point of view */
+ sid->cpu.cpu = -1;
+ sid->tid = gs->vcpu[vcpu].tid;
+ sid->machine_pid = gs->machine_pid;
+ sid->vcpu.cpu = vcpu;
+ }
+out:
+ free(vcpu_array);
+ free(id_array);
+ return ret;
+}
+
+static int guest_session__add_attrs(struct guest_session *gs)
+{
+ struct evlist *evlist = gs->session->evlist;
+ struct evsel *evsel;
+ int ret;
+
+ evlist__for_each_entry(evlist, evsel) {
+ ret = guest_session__add_attr(gs, evsel);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int synthesize_id_index(struct perf_inject *inject, size_t new_cnt)
+{
+ struct perf_session *session = inject->session;
+ struct evlist *evlist = session->evlist;
+ struct machine *machine = &session->machines.host;
+ size_t from = evlist->core.nr_entries - new_cnt;
+
+ return __perf_event__synthesize_id_index(&inject->tool, perf_event__repipe,
+ evlist, machine, from);
+}
+
+static struct guest_tid *guest_session__lookup_tid(struct guest_session *gs, u32 tid)
+{
+ struct hlist_head *head;
+ struct guest_tid *guest_tid;
+ int hash;
+
+ hash = hash_32(tid, PERF_EVLIST__HLIST_BITS);
+ head = &gs->tids[hash];
+
+ hlist_for_each_entry(guest_tid, head, node)
+ if (guest_tid->tid == tid)
+ return guest_tid;
+
+ return NULL;
+}
+
+static bool dso__is_in_kernel_space(struct dso *dso)
+{
+ if (dso__is_vdso(dso))
+ return false;
+
+ return dso__is_kcore(dso) ||
+ dso__kernel(dso) ||
+ is_kernel_module(dso__long_name(dso), PERF_RECORD_MISC_CPUMODE_UNKNOWN);
+}
+
+static u64 evlist__first_id(struct evlist *evlist)
+{
+ struct evsel *evsel;
+
+ evlist__for_each_entry(evlist, evsel) {
+ if (evsel->core.ids)
+ return evsel->core.id[0];
+ }
+ return 0;
+}
+
+static int process_build_id(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
+
+ return perf_event__process_build_id(tool, inject->session, event);
+}
+
+static int synthesize_build_id(struct perf_inject *inject, struct dso *dso, pid_t machine_pid)
+{
+ struct machine *machine = perf_session__findnew_machine(inject->session, machine_pid);
+ struct perf_sample synth_sample = {
+ .pid = -1,
+ .tid = -1,
+ .time = -1,
+ .stream_id = -1,
+ .cpu = -1,
+ .period = 1,
+ .cpumode = dso__is_in_kernel_space(dso)
+ ? PERF_RECORD_MISC_GUEST_KERNEL
+ : PERF_RECORD_MISC_GUEST_USER,
+ };
+
+ if (!machine)
+ return -ENOMEM;
+
+ dso__set_hit(dso);
+
+ return perf_event__synthesize_build_id(&inject->tool, &synth_sample, machine,
+ process_build_id, inject__mmap_evsel(inject),
+ /*misc=*/synth_sample.cpumode,
+ dso__bid(dso), dso__long_name(dso));
+}
+
+static int guest_session__add_build_ids_cb(struct dso *dso, void *data)
+{
+ struct guest_session *gs = data;
+ struct perf_inject *inject = container_of(gs, struct perf_inject, guest_session);
+
+ if (!dso__has_build_id(dso))
+ return 0;
+
+ return synthesize_build_id(inject, dso, gs->machine_pid);
+
+}
+
+static int guest_session__add_build_ids(struct guest_session *gs)
+{
+ struct perf_inject *inject = container_of(gs, struct perf_inject, guest_session);
+
+ /* Build IDs will be put in the Build ID feature section */
+ perf_header__set_feat(&inject->session->header, HEADER_BUILD_ID);
+
+ return dsos__for_each_dso(&gs->session->machines.host.dsos,
+ guest_session__add_build_ids_cb,
+ gs);
+}
+
+static int guest_session__ksymbol_event(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ struct guest_session *gs = container_of(tool, struct guest_session, tool);
+
+ /* Only support out-of-line i.e. no BPF support */
+ if (event->ksymbol.ksym_type != PERF_RECORD_KSYMBOL_TYPE_OOL)
+ return 0;
+
+ return guest_session__output_bytes(gs, event, event->header.size);
+}
+
+static int guest_session__start(struct guest_session *gs, const char *name, bool force)
+{
+ char tmp_file_name[] = "/tmp/perf-inject-guest_session-XXXXXX";
+ struct perf_session *session;
+ int ret;
+
+ /* Only these events will be injected */
+ gs->tool.mmap = guest_session__repipe;
+ gs->tool.mmap2 = guest_session__repipe;
+ gs->tool.comm = guest_session__repipe;
+ gs->tool.fork = guest_session__repipe;
+ gs->tool.exit = guest_session__repipe;
+ gs->tool.lost = guest_session__repipe;
+ gs->tool.context_switch = guest_session__repipe;
+ gs->tool.ksymbol = guest_session__ksymbol_event;
+ gs->tool.text_poke = guest_session__repipe;
+ /*
+ * Processing a build ID creates a struct dso with that build ID. Later,
+ * all guest dsos are iterated and the build IDs processed into the host
+ * session where they will be output to the Build ID feature section
+ * when the perf.data file header is written.
+ */
+ gs->tool.build_id = perf_event__process_build_id;
+ /* Process the id index to know what VCPU an ID belongs to */
+ gs->tool.id_index = perf_event__process_id_index;
+
+ gs->tool.ordered_events = true;
+ gs->tool.ordering_requires_timestamps = true;
+
+ gs->data.path = name;
+ gs->data.force = force;
+ gs->data.mode = PERF_DATA_MODE_READ;
+
+ session = perf_session__new(&gs->data, &gs->tool);
+ if (IS_ERR(session))
+ return PTR_ERR(session);
+ gs->session = session;
+
+ /*
+ * Initial events have zero'd ID samples. Get default ID sample size
+ * used for removing them.
+ */
+ gs->dflt_id_hdr_size = session->machines.host.id_hdr_size;
+ /* And default ID for adding back a host-compatible ID sample */
+ gs->dflt_id = evlist__first_id(session->evlist);
+ if (!gs->dflt_id) {
+ pr_err("Guest data has no sample IDs");
+ return -EINVAL;
+ }
+
+ /* Temporary file for guest events */
+ gs->tmp_file_name = strdup(tmp_file_name);
+ if (!gs->tmp_file_name)
+ return -ENOMEM;
+ gs->tmp_fd = mkstemp(gs->tmp_file_name);
+ if (gs->tmp_fd < 0)
+ return -errno;
+
+ if (zstd_init(&gs->session->zstd_data, 0) < 0)
+ pr_warning("Guest session decompression initialization failed.\n");
+
+ /*
+ * perf does not support processing 2 sessions simultaneously, so output
+ * guest events to a temporary file.
+ */
+ ret = perf_session__process_events(gs->session);
+ if (ret)
+ return ret;
+
+ if (lseek(gs->tmp_fd, 0, SEEK_SET))
+ return -errno;
+
+ return 0;
+}
+
+/* Free hlist nodes assuming hlist_node is the first member of hlist entries */
+static void free_hlist(struct hlist_head *heads, size_t hlist_sz)
+{
+ struct hlist_node *pos, *n;
+ size_t i;
+
+ for (i = 0; i < hlist_sz; ++i) {
+ hlist_for_each_safe(pos, n, &heads[i]) {
+ hlist_del(pos);
+ free(pos);
+ }
+ }
+}
+
+static void guest_session__exit(struct guest_session *gs)
+{
+ if (gs->session) {
+ perf_session__delete(gs->session);
+ free_hlist(gs->heads, PERF_EVLIST__HLIST_SIZE);
+ free_hlist(gs->tids, PERF_EVLIST__HLIST_SIZE);
+ }
+ if (gs->tmp_file_name) {
+ if (gs->tmp_fd >= 0)
+ close(gs->tmp_fd);
+ unlink(gs->tmp_file_name);
+ zfree(&gs->tmp_file_name);
+ }
+ zfree(&gs->vcpu);
+ zfree(&gs->perf_data_file);
+}
+
+static void get_tsc_conv(struct perf_tsc_conversion *tc, struct perf_record_time_conv *time_conv)
+{
+ tc->time_shift = time_conv->time_shift;
+ tc->time_mult = time_conv->time_mult;
+ tc->time_zero = time_conv->time_zero;
+ tc->time_cycles = time_conv->time_cycles;
+ tc->time_mask = time_conv->time_mask;
+ tc->cap_user_time_zero = time_conv->cap_user_time_zero;
+ tc->cap_user_time_short = time_conv->cap_user_time_short;
+}
+
+static void guest_session__get_tc(struct guest_session *gs)
+{
+ struct perf_inject *inject = container_of(gs, struct perf_inject, guest_session);
+
+ get_tsc_conv(&gs->host_tc, &inject->session->time_conv);
+ get_tsc_conv(&gs->guest_tc, &gs->session->time_conv);
+}
+
+static void guest_session__convert_time(struct guest_session *gs, u64 guest_time, u64 *host_time)
+{
+ u64 tsc;
+
+ if (!guest_time) {
+ *host_time = 0;
+ return;
+ }
+
+ if (gs->guest_tc.cap_user_time_zero)
+ tsc = perf_time_to_tsc(guest_time, &gs->guest_tc);
+ else
+ tsc = guest_time;
+
+ /*
+ * This is the correct order of operations for x86 if the TSC Offset and
+ * Multiplier values are used.
+ */
+ tsc -= gs->time_offset;
+ tsc /= gs->time_scale;
+
+ if (gs->host_tc.cap_user_time_zero)
+ *host_time = tsc_to_perf_time(tsc, &gs->host_tc);
+ else
+ *host_time = tsc;
+}
+
+static int guest_session__fetch(struct guest_session *gs)
+{
+ void *buf;
+ struct perf_event_header *hdr;
+ size_t hdr_sz = sizeof(*hdr);
+ ssize_t ret;
+
+ buf = gs->ev.event_buf;
+ if (!buf) {
+ buf = malloc(PERF_SAMPLE_MAX_SIZE);
+ if (!buf)
+ return -ENOMEM;
+ gs->ev.event_buf = buf;
+ }
+ hdr = buf;
+ ret = readn(gs->tmp_fd, buf, hdr_sz);
+ if (ret < 0)
+ return ret;
+
+ if (!ret) {
+ /* Zero size means EOF */
+ hdr->size = 0;
+ return 0;
+ }
+
+ buf += hdr_sz;
+
+ ret = readn(gs->tmp_fd, buf, hdr->size - hdr_sz);
+ if (ret < 0)
+ return ret;
+
+ gs->ev.event = (union perf_event *)gs->ev.event_buf;
+ gs->ev.sample.time = 0;
+
+ if (hdr->type >= PERF_RECORD_USER_TYPE_START) {
+ pr_err("Unexpected type fetching guest event");
+ return 0;
+ }
+
+ ret = evlist__parse_sample(gs->session->evlist, gs->ev.event, &gs->ev.sample);
+ if (ret) {
+ pr_err("Parse failed fetching guest event");
+ return ret;
+ }
+
+ if (!gs->have_tc) {
+ guest_session__get_tc(gs);
+ gs->have_tc = true;
+ }
+
+ guest_session__convert_time(gs, gs->ev.sample.time, &gs->ev.sample.time);
+
+ return 0;
+}
+
+static int evlist__append_id_sample(struct evlist *evlist, union perf_event *ev,
+ const struct perf_sample *sample)
+{
+ struct evsel *evsel;
+ void *array;
+ int ret;
+
+ evsel = evlist__id2evsel(evlist, sample->id);
+ array = ev;
+
+ if (!evsel) {
+ pr_err("No evsel for id %"PRIu64"\n", sample->id);
+ return -EINVAL;
+ }
+
+ array += ev->header.size;
+ ret = perf_event__synthesize_id_sample(array, evsel->core.attr.sample_type, sample);
+ if (ret < 0)
+ return ret;
+
+ if (ret & 7) {
+ pr_err("Bad id sample size %d\n", ret);
+ return -EINVAL;
+ }
+
+ ev->header.size += ret;
+
+ return 0;
+}
+
+static int guest_session__inject_events(struct guest_session *gs, u64 timestamp)
+{
+ struct perf_inject *inject = container_of(gs, struct perf_inject, guest_session);
+ int ret;
+
+ if (!gs->ready)
+ return 0;
+
+ while (1) {
+ struct perf_sample *sample;
+ struct guest_id *guest_id;
+ union perf_event *ev;
+ u16 id_hdr_size;
+ u8 cpumode;
+ u64 id;
+
+ if (!gs->fetched) {
+ ret = guest_session__fetch(gs);
+ if (ret)
+ return ret;
+ gs->fetched = true;
+ }
+
+ ev = gs->ev.event;
+ sample = &gs->ev.sample;
+
+ if (!ev->header.size)
+ return 0; /* EOF */
+
+ if (sample->time > timestamp)
+ return 0;
+
+ /* Change cpumode to guest */
+ cpumode = ev->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+ if (cpumode & PERF_RECORD_MISC_USER)
+ cpumode = PERF_RECORD_MISC_GUEST_USER;
+ else
+ cpumode = PERF_RECORD_MISC_GUEST_KERNEL;
+ ev->header.misc &= ~PERF_RECORD_MISC_CPUMODE_MASK;
+ ev->header.misc |= cpumode;
+
+ id = sample->id;
+ if (!id) {
+ id = gs->dflt_id;
+ id_hdr_size = gs->dflt_id_hdr_size;
+ } else {
+ struct evsel *evsel = evlist__id2evsel(gs->session->evlist, id);
+
+ id_hdr_size = evsel__id_hdr_size(evsel);
+ }
+
+ if (id_hdr_size & 7) {
+ pr_err("Bad id_hdr_size %u\n", id_hdr_size);
+ return -EINVAL;
+ }
+
+ if (ev->header.size & 7) {
+ pr_err("Bad event size %u\n", ev->header.size);
+ return -EINVAL;
+ }
+
+ /* Remove guest id sample */
+ ev->header.size -= id_hdr_size;
+
+ if (ev->header.size & 7) {
+ pr_err("Bad raw event size %u\n", ev->header.size);
+ return -EINVAL;
+ }
+
+ guest_id = guest_session__lookup_id(gs, id);
+ if (!guest_id) {
+ pr_err("Guest event with unknown id %llu\n",
+ (unsigned long long)id);
+ return -EINVAL;
+ }
+
+ /* Change to host ID to avoid conflicting ID values */
+ sample->id = guest_id->host_id;
+ sample->stream_id = guest_id->host_id;
+
+ if (sample->cpu != (u32)-1) {
+ if (sample->cpu >= gs->vcpu_cnt) {
+ pr_err("Guest event with unknown VCPU %u\n",
+ sample->cpu);
+ return -EINVAL;
+ }
+ /* Change to host CPU instead of guest VCPU */
+ sample->cpu = gs->vcpu[sample->cpu].cpu;
+ }
+
+ /* New id sample with new ID and CPU */
+ ret = evlist__append_id_sample(inject->session->evlist, ev, sample);
+ if (ret)
+ return ret;
+
+ if (ev->header.size & 7) {
+ pr_err("Bad new event size %u\n", ev->header.size);
+ return -EINVAL;
+ }
+
+ gs->fetched = false;
+
+ ret = output_bytes(inject, ev, ev->header.size);
+ if (ret)
+ return ret;
+ }
+}
+
+static int guest_session__flush_events(struct guest_session *gs)
+{
+ return guest_session__inject_events(gs, -1);
+}
+
+static int host__repipe(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
+ int ret;
+
+ ret = guest_session__inject_events(&inject->guest_session, sample->time);
+ if (ret)
+ return ret;
+
+ return perf_event__repipe(tool, event, sample, machine);
+}
+
+static int host__finished_init(const struct perf_tool *tool, struct perf_session *session,
+ union perf_event *event)
+{
+ struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
+ struct guest_session *gs = &inject->guest_session;
+ int ret;
+
+ /*
+ * Peek through host COMM events to find QEMU threads and the VCPU they
+ * are running.
+ */
+ ret = host_peek_vm_comms(session, gs);
+ if (ret)
+ return ret;
+
+ if (!gs->vcpu_cnt) {
+ pr_err("No VCPU threads found for pid %u\n", gs->machine_pid);
+ return -EINVAL;
+ }
+
+ /*
+ * Allocate new (unused) host sample IDs and map them to the guest IDs.
+ */
+ gs->highest_id = evlist__find_highest_id(session->evlist);
+ ret = guest_session__map_ids(gs, session->evlist);
+ if (ret)
+ return ret;
+
+ ret = guest_session__add_attrs(gs);
+ if (ret)
+ return ret;
+
+ ret = synthesize_id_index(inject, gs->session->evlist->core.nr_entries);
+ if (ret) {
+ pr_err("Failed to synthesize id_index\n");
+ return ret;
+ }
+
+ ret = guest_session__add_build_ids(gs);
+ if (ret) {
+ pr_err("Failed to add guest build IDs\n");
+ return ret;
+ }
+
+ gs->ready = true;
+
+ ret = guest_session__inject_events(gs, 0);
+ if (ret)
+ return ret;
+
+ return perf_event__repipe_op2_synth(tool, session, event);
+}
+
+/*
+ * Obey finished-round ordering. The FINISHED_ROUND event is first processed
+ * which flushes host events to file up until the last flush time. Then inject
+ * guest events up to the same time. Finally write out the FINISHED_ROUND event
+ * itself.
+ */
+static int host__finished_round(const struct perf_tool *tool,
+ union perf_event *event,
+ struct ordered_events *oe)
+{
+ struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
+ int ret = perf_event__process_finished_round(tool, event, oe);
+ u64 timestamp = ordered_events__last_flush_time(oe);
+
+ if (ret)
+ return ret;
+
+ ret = guest_session__inject_events(&inject->guest_session, timestamp);
+ if (ret)
+ return ret;
+
+ return perf_event__repipe_oe_synth(tool, event, oe);
+}
+
+static int host__context_switch(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
+ bool out = event->header.misc & PERF_RECORD_MISC_SWITCH_OUT;
+ struct guest_session *gs = &inject->guest_session;
+ u32 pid = event->context_switch.next_prev_pid;
+ u32 tid = event->context_switch.next_prev_tid;
+ struct guest_tid *guest_tid;
+ u32 vcpu;
+
+ if (out || pid != gs->machine_pid)
+ goto out;
+
+ guest_tid = guest_session__lookup_tid(gs, tid);
+ if (!guest_tid)
+ goto out;
+
+ if (sample->cpu == (u32)-1) {
+ pr_err("Switch event does not have CPU\n");
+ return -EINVAL;
+ }
+
+ vcpu = guest_tid->vcpu;
+ if (vcpu >= gs->vcpu_cnt)
+ return -EINVAL;
+
+ /* Guest is switching in, record which CPU the VCPU is now running on */
+ gs->vcpu[vcpu].cpu = sample->cpu;
+out:
+ return host__repipe(tool, event, sample, machine);
+}
static void sig_handler(int sig __maybe_unused)
{
session_done = 1;
}
-static int perf_evsel__check_stype(struct perf_evsel *evsel,
- u64 sample_type, const char *sample_msg)
+static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg)
{
- struct perf_event_attr *attr = &evsel->attr;
- const char *name = perf_evsel__name(evsel);
+ struct perf_event_attr *attr = &evsel->core.attr;
+ const char *name = evsel__name(evsel);
if (!(attr->sample_type & sample_type)) {
pr_err("Samples for %s event do not have %s attribute set.",
@@ -558,10 +1899,10 @@ static int perf_evsel__check_stype(struct perf_evsel *evsel,
return 0;
}
-static int drop_sample(struct perf_tool *tool __maybe_unused,
+static int drop_sample(const struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct perf_sample *sample __maybe_unused,
- struct perf_evsel *evsel __maybe_unused,
+ struct evsel *evsel __maybe_unused,
struct machine *machine __maybe_unused)
{
return 0;
@@ -569,8 +1910,8 @@ static int drop_sample(struct perf_tool *tool __maybe_unused,
static void strip_init(struct perf_inject *inject)
{
- struct perf_evlist *evlist = inject->session->evlist;
- struct perf_evsel *evsel;
+ struct evlist *evlist = inject->session->evlist;
+ struct evsel *evsel;
inject->tool.context_switch = perf_event__drop;
@@ -578,161 +1919,427 @@ static void strip_init(struct perf_inject *inject)
evsel->handler = drop_sample;
}
-static bool has_tracking(struct perf_evsel *evsel)
+static int parse_vm_time_correlation(const struct option *opt, const char *str, int unset)
{
- return evsel->attr.mmap || evsel->attr.mmap2 || evsel->attr.comm ||
- evsel->attr.task;
+ struct perf_inject *inject = opt->value;
+ const char *args;
+ char *dry_run;
+
+ if (unset)
+ return 0;
+
+ inject->itrace_synth_opts.set = true;
+ inject->itrace_synth_opts.vm_time_correlation = true;
+ inject->in_place_update = true;
+
+ if (!str)
+ return 0;
+
+ dry_run = skip_spaces(str);
+ if (!strncmp(dry_run, "dry-run", strlen("dry-run"))) {
+ inject->itrace_synth_opts.vm_tm_corr_dry_run = true;
+ inject->in_place_update_dry_run = true;
+ args = dry_run + strlen("dry-run");
+ } else {
+ args = str;
+ }
+
+ inject->itrace_synth_opts.vm_tm_corr_args = strdup(args);
+
+ return inject->itrace_synth_opts.vm_tm_corr_args ? 0 : -ENOMEM;
}
-#define COMPAT_MASK (PERF_SAMPLE_ID | PERF_SAMPLE_TID | PERF_SAMPLE_TIME | \
- PERF_SAMPLE_ID | PERF_SAMPLE_CPU | PERF_SAMPLE_IDENTIFIER)
+static int parse_guest_data(const struct option *opt, const char *str, int unset)
+{
+ struct perf_inject *inject = opt->value;
+ struct guest_session *gs = &inject->guest_session;
+ char *tok;
+ char *s;
-/*
- * In order that the perf.data file is parsable, tracking events like MMAP need
- * their selected event to exist, except if there is only 1 selected event left
- * and it has a compatible sample type.
- */
-static bool ok_to_remove(struct perf_evlist *evlist,
- struct perf_evsel *evsel_to_remove)
+ if (unset)
+ return 0;
+
+ if (!str)
+ goto bad_args;
+
+ s = strdup(str);
+ if (!s)
+ return -ENOMEM;
+
+ gs->perf_data_file = strsep(&s, ",");
+ if (!gs->perf_data_file)
+ goto bad_args;
+
+ gs->copy_kcore_dir = has_kcore_dir(gs->perf_data_file);
+ if (gs->copy_kcore_dir)
+ inject->output.is_dir = true;
+
+ tok = strsep(&s, ",");
+ if (!tok)
+ goto bad_args;
+ gs->machine_pid = strtoul(tok, NULL, 0);
+ if (!inject->guest_session.machine_pid)
+ goto bad_args;
+
+ gs->time_scale = 1;
+
+ tok = strsep(&s, ",");
+ if (!tok)
+ goto out;
+ gs->time_offset = strtoull(tok, NULL, 0);
+
+ tok = strsep(&s, ",");
+ if (!tok)
+ goto out;
+ gs->time_scale = strtod(tok, NULL);
+ if (!gs->time_scale)
+ goto bad_args;
+out:
+ return 0;
+
+bad_args:
+ pr_err("--guest-data option requires guest perf.data file name, "
+ "guest machine PID, and optionally guest timestamp offset, "
+ "and guest timestamp scale factor, separated by commas.\n");
+ return -1;
+}
+
+static int save_section_info_cb(struct perf_file_section *section,
+ struct perf_header *ph __maybe_unused,
+ int feat, int fd __maybe_unused, void *data)
{
- struct perf_evsel *evsel;
- int cnt = 0;
- bool ok = false;
+ struct perf_inject *inject = data;
+
+ inject->secs[feat] = *section;
+ return 0;
+}
- if (!has_tracking(evsel_to_remove))
+static int save_section_info(struct perf_inject *inject)
+{
+ struct perf_header *header = &inject->session->header;
+ int fd = perf_data__fd(inject->session->data);
+
+ return perf_header__process_sections(header, fd, inject, save_section_info_cb);
+}
+
+static bool keep_feat(int feat)
+{
+ switch (feat) {
+ /* Keep original information that describes the machine or software */
+ case HEADER_TRACING_DATA:
+ case HEADER_HOSTNAME:
+ case HEADER_OSRELEASE:
+ case HEADER_VERSION:
+ case HEADER_ARCH:
+ case HEADER_NRCPUS:
+ case HEADER_CPUDESC:
+ case HEADER_CPUID:
+ case HEADER_TOTAL_MEM:
+ case HEADER_CPU_TOPOLOGY:
+ case HEADER_NUMA_TOPOLOGY:
+ case HEADER_PMU_MAPPINGS:
+ case HEADER_CACHE:
+ case HEADER_MEM_TOPOLOGY:
+ case HEADER_CLOCKID:
+ case HEADER_BPF_PROG_INFO:
+ case HEADER_BPF_BTF:
+ case HEADER_CPU_PMU_CAPS:
+ case HEADER_CLOCK_DATA:
+ case HEADER_HYBRID_TOPOLOGY:
+ case HEADER_PMU_CAPS:
return true;
+ /* Information that can be updated */
+ case HEADER_BUILD_ID:
+ case HEADER_CMDLINE:
+ case HEADER_EVENT_DESC:
+ case HEADER_BRANCH_STACK:
+ case HEADER_GROUP_DESC:
+ case HEADER_AUXTRACE:
+ case HEADER_STAT:
+ case HEADER_SAMPLE_TIME:
+ case HEADER_DIR_FORMAT:
+ case HEADER_COMPRESSED:
+ default:
+ return false;
+ };
+}
- evlist__for_each_entry(evlist, evsel) {
- if (evsel->handler != drop_sample) {
- cnt += 1;
- if ((evsel->attr.sample_type & COMPAT_MASK) ==
- (evsel_to_remove->attr.sample_type & COMPAT_MASK))
- ok = true;
- }
- }
+static int read_file(int fd, u64 offs, void *buf, size_t sz)
+{
+ ssize_t ret = preadn(fd, buf, sz, offs);
- return ok && cnt == 1;
+ if (ret < 0)
+ return -errno;
+ if ((size_t)ret != sz)
+ return -EINVAL;
+ return 0;
}
-static void strip_fini(struct perf_inject *inject)
+static int feat_copy(struct perf_inject *inject, int feat, struct feat_writer *fw)
{
- struct perf_evlist *evlist = inject->session->evlist;
- struct perf_evsel *evsel, *tmp;
+ int fd = perf_data__fd(inject->session->data);
+ u64 offs = inject->secs[feat].offset;
+ size_t sz = inject->secs[feat].size;
+ void *buf = malloc(sz);
+ int ret;
- /* Remove non-synthesized evsels if possible */
- evlist__for_each_entry_safe(evlist, tmp, evsel) {
- if (evsel->handler == drop_sample &&
- ok_to_remove(evlist, evsel)) {
- pr_debug("Deleting %s\n", perf_evsel__name(evsel));
- perf_evlist__remove(evlist, evsel);
- perf_evsel__delete(evsel);
- }
- }
+ if (!buf)
+ return -ENOMEM;
+
+ ret = read_file(fd, offs, buf, sz);
+ if (ret)
+ goto out_free;
+
+ ret = fw->write(fw, buf, sz);
+out_free:
+ free(buf);
+ return ret;
+}
+
+struct inject_fc {
+ struct feat_copier fc;
+ struct perf_inject *inject;
+};
+
+static int feat_copy_cb(struct feat_copier *fc, int feat, struct feat_writer *fw)
+{
+ struct inject_fc *inj_fc = container_of(fc, struct inject_fc, fc);
+ struct perf_inject *inject = inj_fc->inject;
+ int ret;
+
+ if (!inject->secs[feat].offset ||
+ !keep_feat(feat))
+ return 0;
+
+ ret = feat_copy(inject, feat, fw);
+ if (ret < 0)
+ return ret;
+
+ return 1; /* Feature section copied */
+}
+
+static int copy_kcore_dir(struct perf_inject *inject)
+{
+ char *cmd;
+ int ret;
+
+ ret = asprintf(&cmd, "cp -r -n %s/kcore_dir* %s >/dev/null 2>&1",
+ inject->input_name, inject->output.path);
+ if (ret < 0)
+ return ret;
+ pr_debug("%s\n", cmd);
+ ret = system(cmd);
+ free(cmd);
+ return ret;
+}
+
+static int guest_session__copy_kcore_dir(struct guest_session *gs)
+{
+ struct perf_inject *inject = container_of(gs, struct perf_inject, guest_session);
+ char *cmd;
+ int ret;
+
+ ret = asprintf(&cmd, "cp -r -n %s/kcore_dir %s/kcore_dir__%u >/dev/null 2>&1",
+ gs->perf_data_file, inject->output.path, gs->machine_pid);
+ if (ret < 0)
+ return ret;
+ pr_debug("%s\n", cmd);
+ ret = system(cmd);
+ free(cmd);
+ return ret;
+}
+
+static int output_fd(struct perf_inject *inject)
+{
+ return inject->in_place_update ? -1 : perf_data__fd(&inject->output);
}
static int __cmd_inject(struct perf_inject *inject)
{
int ret = -EINVAL;
+ struct guest_session *gs = &inject->guest_session;
struct perf_session *session = inject->session;
- struct perf_data_file *file_out = &inject->output;
- int fd = perf_data_file__fd(file_out);
- u64 output_data_offset;
+ int fd = output_fd(inject);
+ u64 output_data_offset = perf_session__data_offset(session->evlist);
+ /*
+ * Pipe input hasn't loaded the attributes and will handle them as
+ * events. So that the attributes don't overlap the data, write the
+ * attributes after the data.
+ */
+ bool write_attrs_after_data = !inject->output.is_pipe && inject->session->data->is_pipe;
signal(SIGINT, sig_handler);
- if (inject->build_ids || inject->sched_stat ||
+ if (inject->build_id_style != BID_RWS__NONE || inject->sched_stat ||
inject->itrace_synth_opts.set) {
inject->tool.mmap = perf_event__repipe_mmap;
inject->tool.mmap2 = perf_event__repipe_mmap2;
inject->tool.fork = perf_event__repipe_fork;
+#ifdef HAVE_LIBTRACEEVENT
inject->tool.tracing_data = perf_event__repipe_tracing_data;
+#endif
}
- output_data_offset = session->header.data_offset;
-
- if (inject->build_ids) {
+ if (inject->build_id_style == BID_RWS__INJECT_HEADER_LAZY ||
+ inject->build_id_style == BID_RWS__MMAP2_BUILDID_LAZY) {
inject->tool.sample = perf_event__inject_buildid;
} else if (inject->sched_stat) {
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(session->evlist, evsel) {
- const char *name = perf_evsel__name(evsel);
+ const char *name = evsel__name(evsel);
if (!strcmp(name, "sched:sched_switch")) {
- if (perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID"))
+ if (evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID"))
return -EINVAL;
evsel->handler = perf_inject__sched_switch;
} else if (!strcmp(name, "sched:sched_process_exit"))
evsel->handler = perf_inject__sched_process_exit;
+#ifdef HAVE_LIBTRACEEVENT
else if (!strncmp(name, "sched:sched_stat_", 17))
evsel->handler = perf_inject__sched_stat;
+#endif
}
+ } else if (inject->itrace_synth_opts.vm_time_correlation) {
+ session->itrace_synth_opts = &inject->itrace_synth_opts;
+ memset(&inject->tool, 0, sizeof(inject->tool));
+ inject->tool.id_index = perf_event__process_id_index;
+ inject->tool.auxtrace_info = perf_event__process_auxtrace_info;
+ inject->tool.auxtrace = perf_event__process_auxtrace;
+ inject->tool.auxtrace_error = perf_event__process_auxtrace_error;
+ inject->tool.ordered_events = true;
+ inject->tool.ordering_requires_timestamps = true;
} else if (inject->itrace_synth_opts.set) {
session->itrace_synth_opts = &inject->itrace_synth_opts;
inject->itrace_synth_opts.inject = true;
inject->tool.comm = perf_event__repipe_comm;
inject->tool.namespaces = perf_event__repipe_namespaces;
inject->tool.exit = perf_event__repipe_exit;
- inject->tool.id_index = perf_event__repipe_id_index;
+ inject->tool.id_index = perf_event__process_id_index;
inject->tool.auxtrace_info = perf_event__process_auxtrace_info;
inject->tool.auxtrace = perf_event__process_auxtrace;
inject->tool.aux = perf_event__drop_aux;
- inject->tool.itrace_start = perf_event__drop_aux,
+ inject->tool.itrace_start = perf_event__drop_aux;
+ inject->tool.aux_output_hw_id = perf_event__drop_aux;
inject->tool.ordered_events = true;
inject->tool.ordering_requires_timestamps = true;
/* Allow space in the header for new attributes */
- output_data_offset = 4096;
+ output_data_offset = roundup(8192 + session->header.data_offset, 4096);
if (inject->strip)
strip_init(inject);
+ } else if (gs->perf_data_file) {
+ char *name = gs->perf_data_file;
+
+ /*
+ * Not strictly necessary, but keep these events in order wrt
+ * guest events.
+ */
+ inject->tool.mmap = host__repipe;
+ inject->tool.mmap2 = host__repipe;
+ inject->tool.comm = host__repipe;
+ inject->tool.fork = host__repipe;
+ inject->tool.exit = host__repipe;
+ inject->tool.lost = host__repipe;
+ inject->tool.context_switch = host__repipe;
+ inject->tool.ksymbol = host__repipe;
+ inject->tool.text_poke = host__repipe;
+ /*
+ * Once the host session has initialized, set up sample ID
+ * mapping and feed in guest attrs, build IDs and initial
+ * events.
+ */
+ inject->tool.finished_init = host__finished_init;
+ /* Obey finished round ordering */
+ inject->tool.finished_round = host__finished_round;
+ /* Keep track of which CPU a VCPU is runnng on */
+ inject->tool.context_switch = host__context_switch;
+ /*
+ * Must order events to be able to obey finished round
+ * ordering.
+ */
+ inject->tool.ordered_events = true;
+ inject->tool.ordering_requires_timestamps = true;
+ /* Set up a separate session to process guest perf.data file */
+ ret = guest_session__start(gs, name, session->data->force);
+ if (ret) {
+ pr_err("Failed to process %s, error %d\n", name, ret);
+ return ret;
+ }
+ /* Allow space in the header for guest attributes */
+ output_data_offset += gs->session->header.data_offset;
+ output_data_offset = roundup(output_data_offset, 4096);
}
if (!inject->itrace_synth_opts.set)
auxtrace_index__free(&session->auxtrace_index);
- if (!file_out->is_pipe)
+ if (!inject->output.is_pipe && !inject->in_place_update)
lseek(fd, output_data_offset, SEEK_SET);
ret = perf_session__process_events(session);
+ if (ret)
+ return ret;
- if (!file_out->is_pipe) {
- if (inject->build_ids)
- perf_header__set_feat(&session->header,
- HEADER_BUILD_ID);
+ if (gs->session) {
+ /*
+ * Remaining guest events have later timestamps. Flush them
+ * out to file.
+ */
+ ret = guest_session__flush_events(gs);
+ if (ret) {
+ pr_err("Failed to flush guest events\n");
+ return ret;
+ }
+ }
+
+ if (!inject->output.is_pipe && !inject->in_place_update) {
+ struct inject_fc inj_fc = {
+ .fc.copy = feat_copy_cb,
+ .inject = inject,
+ };
+
+ if (inject->build_id_style == BID_RWS__INJECT_HEADER_LAZY ||
+ inject->build_id_style == BID_RWS__INJECT_HEADER_ALL)
+ perf_header__set_feat(&session->header, HEADER_BUILD_ID);
/*
* Keep all buildids when there is unprocessed AUX data because
* it is not known which ones the AUX trace hits.
*/
if (perf_header__has_feat(&session->header, HEADER_BUILD_ID) &&
inject->have_auxtrace && !inject->itrace_synth_opts.set)
- dsos__hit_all(session);
+ perf_session__dsos_hit_all(session);
/*
* The AUX areas have been removed and replaced with
- * synthesized hardware events, so clear the feature flag and
- * remove the evsel.
+ * synthesized hardware events, so clear the feature flag.
*/
if (inject->itrace_synth_opts.set) {
- struct perf_evsel *evsel;
-
perf_header__clear_feat(&session->header,
HEADER_AUXTRACE);
- if (inject->itrace_synth_opts.last_branch)
+ if (inject->itrace_synth_opts.last_branch ||
+ inject->itrace_synth_opts.add_last_branch)
perf_header__set_feat(&session->header,
HEADER_BRANCH_STACK);
- evsel = perf_evlist__id2evsel_strict(session->evlist,
- inject->aux_id);
- if (evsel) {
- pr_debug("Deleting %s\n",
- perf_evsel__name(evsel));
- perf_evlist__remove(session->evlist, evsel);
- perf_evsel__delete(evsel);
- }
- if (inject->strip)
- strip_fini(inject);
}
session->header.data_offset = output_data_offset;
session->header.data_size = inject->bytes_written;
- perf_session__write_header(session, session->evlist, fd, true);
+ perf_session__inject_header(session, session->evlist, fd, &inj_fc.fc,
+ write_attrs_after_data);
+
+ if (inject->copy_kcore_dir) {
+ ret = copy_kcore_dir(inject);
+ if (ret) {
+ pr_err("Failed to copy kcore\n");
+ return ret;
+ }
+ }
+ if (gs->copy_kcore_dir) {
+ ret = guest_session__copy_kcore_dir(gs);
+ if (ret) {
+ pr_err("Failed to copy guest kcore\n");
+ return ret;
+ }
+ }
}
return ret;
@@ -741,46 +2348,37 @@ static int __cmd_inject(struct perf_inject *inject)
int cmd_inject(int argc, const char **argv)
{
struct perf_inject inject = {
- .tool = {
- .sample = perf_event__repipe_sample,
- .mmap = perf_event__repipe,
- .mmap2 = perf_event__repipe,
- .comm = perf_event__repipe,
- .fork = perf_event__repipe,
- .exit = perf_event__repipe,
- .lost = perf_event__repipe,
- .lost_samples = perf_event__repipe,
- .aux = perf_event__repipe,
- .itrace_start = perf_event__repipe,
- .context_switch = perf_event__repipe,
- .read = perf_event__repipe_sample,
- .throttle = perf_event__repipe,
- .unthrottle = perf_event__repipe,
- .attr = perf_event__repipe_attr,
- .tracing_data = perf_event__repipe_op2_synth,
- .auxtrace_info = perf_event__repipe_op2_synth,
- .auxtrace = perf_event__repipe_auxtrace,
- .auxtrace_error = perf_event__repipe_op2_synth,
- .time_conv = perf_event__repipe_op2_synth,
- .finished_round = perf_event__repipe_oe_synth,
- .build_id = perf_event__repipe_op2_synth,
- .id_index = perf_event__repipe_op2_synth,
- },
.input_name = "-",
.samples = LIST_HEAD_INIT(inject.samples),
.output = {
.path = "-",
.mode = PERF_DATA_MODE_WRITE,
+ .use_stdio = true,
},
};
- struct perf_data_file file = {
+ struct perf_data data = {
.mode = PERF_DATA_MODE_READ,
+ .use_stdio = true,
};
int ret;
+ const char *known_build_ids = NULL;
+ bool build_ids = false;
+ bool build_id_all = false;
+ bool mmap2_build_ids = false;
+ bool mmap2_build_id_all = false;
struct option options[] = {
- OPT_BOOLEAN('b', "build-ids", &inject.build_ids,
+ OPT_BOOLEAN('b', "build-ids", &build_ids,
"Inject build-ids into the output stream"),
+ OPT_BOOLEAN(0, "buildid-all", &build_id_all,
+ "Inject build-ids of all DSOs into the output stream"),
+ OPT_BOOLEAN('B', "mmap2-buildids", &mmap2_build_ids,
+ "Drop unused mmap events, make others mmap2 with build IDs"),
+ OPT_BOOLEAN(0, "mmap2-buildid-all", &mmap2_build_id_all,
+ "Rewrite all mmap events as mmap2 events with build IDs"),
+ OPT_STRING(0, "known-build-ids", &known_build_ids,
+ "buildid path [,buildid path...]",
+ "build-ids to use for given paths"),
OPT_STRING('i', "input", &inject.input_name, "file",
"input file name"),
OPT_STRING('o', "output", &inject.output.path, "file",
@@ -793,20 +2391,41 @@ int cmd_inject(int argc, const char **argv)
#endif
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show build ids, etc)"),
+ OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
+ "file", "vmlinux pathname"),
+ OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
+ "don't load vmlinux even if found"),
OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, "file",
"kallsyms pathname"),
- OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
+ OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),
OPT_CALLBACK_OPTARG(0, "itrace", &inject.itrace_synth_opts,
- NULL, "opts", "Instruction Tracing options",
+ NULL, "opts", "Instruction Tracing options\n"
+ ITRACE_HELP,
itrace_parse_synth_opts),
OPT_BOOLEAN(0, "strip", &inject.strip,
"strip non-synthesized events (use with --itrace)"),
+ OPT_CALLBACK_OPTARG(0, "vm-time-correlation", &inject, NULL, "opts",
+ "correlate time between VM guests and the host",
+ parse_vm_time_correlation),
+ OPT_CALLBACK_OPTARG(0, "guest-data", &inject, NULL, "opts",
+ "inject events from a guest perf.data file",
+ parse_guest_data),
+ OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
+ "guest mount directory under which every guest os"
+ " instance has a subdir"),
OPT_END()
};
const char * const inject_usage[] = {
"perf inject [<options>]",
NULL
};
+ bool ordered_events;
+
+ if (!inject.itrace_synth_opts.set) {
+ /* Disable eager loading of kernel symbols that adds overhead to perf inject. */
+ symbol_conf.lazy_load_kernel_maps = true;
+ }
+
#ifndef HAVE_JITDUMP
set_option_nobuild(options, 'j', "jit", "NO_LIBELF=1", true);
#endif
@@ -823,33 +2442,155 @@ int cmd_inject(int argc, const char **argv)
return -1;
}
- if (perf_data_file__open(&inject.output)) {
- perror("failed to create output file");
+ if (symbol__validate_sym_arguments())
return -1;
+
+ if (inject.in_place_update) {
+ if (!strcmp(inject.input_name, "-")) {
+ pr_err("Input file name required for in-place updating\n");
+ return -1;
+ }
+ if (strcmp(inject.output.path, "-")) {
+ pr_err("Output file name must not be specified for in-place updating\n");
+ return -1;
+ }
+ if (!data.force && !inject.in_place_update_dry_run) {
+ pr_err("The input file would be updated in place, "
+ "the --force option is required.\n");
+ return -1;
+ }
+ if (!inject.in_place_update_dry_run)
+ data.in_place_update = true;
+ } else {
+ if (strcmp(inject.output.path, "-") && !inject.strip &&
+ has_kcore_dir(inject.input_name)) {
+ inject.output.is_dir = true;
+ inject.copy_kcore_dir = true;
+ }
+ if (perf_data__open(&inject.output)) {
+ perror("failed to create output file");
+ return -1;
+ }
+ }
+ if (mmap2_build_ids)
+ inject.build_id_style = BID_RWS__MMAP2_BUILDID_LAZY;
+ if (mmap2_build_id_all)
+ inject.build_id_style = BID_RWS__MMAP2_BUILDID_ALL;
+ if (build_ids)
+ inject.build_id_style = BID_RWS__INJECT_HEADER_LAZY;
+ if (build_id_all)
+ inject.build_id_style = BID_RWS__INJECT_HEADER_ALL;
+
+ data.path = inject.input_name;
+
+ ordered_events = inject.jit_mode || inject.sched_stat ||
+ inject.build_id_style == BID_RWS__INJECT_HEADER_LAZY ||
+ inject.build_id_style == BID_RWS__MMAP2_BUILDID_LAZY;
+ perf_tool__init(&inject.tool, ordered_events);
+ inject.tool.sample = perf_event__repipe_sample;
+ inject.tool.read = perf_event__repipe_sample;
+ inject.tool.mmap = perf_event__repipe;
+ inject.tool.mmap2 = perf_event__repipe;
+ inject.tool.comm = perf_event__repipe;
+ inject.tool.namespaces = perf_event__repipe;
+ inject.tool.cgroup = perf_event__repipe;
+ inject.tool.fork = perf_event__repipe;
+ inject.tool.exit = perf_event__repipe;
+ inject.tool.lost = perf_event__repipe;
+ inject.tool.lost_samples = perf_event__repipe;
+ inject.tool.aux = perf_event__repipe;
+ inject.tool.itrace_start = perf_event__repipe;
+ inject.tool.aux_output_hw_id = perf_event__repipe;
+ inject.tool.context_switch = perf_event__repipe;
+ inject.tool.throttle = perf_event__repipe;
+ inject.tool.unthrottle = perf_event__repipe;
+ inject.tool.ksymbol = perf_event__repipe;
+ inject.tool.bpf = perf_event__repipe;
+ inject.tool.text_poke = perf_event__repipe;
+ inject.tool.attr = perf_event__repipe_attr;
+ inject.tool.event_update = perf_event__repipe_event_update;
+ inject.tool.tracing_data = perf_event__repipe_op2_synth;
+ inject.tool.finished_round = perf_event__repipe_oe_synth;
+ inject.tool.build_id = perf_event__repipe_op2_synth;
+ inject.tool.id_index = perf_event__repipe_op2_synth;
+ inject.tool.auxtrace_info = perf_event__repipe_op2_synth;
+ inject.tool.auxtrace_error = perf_event__repipe_op2_synth;
+ inject.tool.time_conv = perf_event__repipe_op2_synth;
+ inject.tool.thread_map = perf_event__repipe_op2_synth;
+ inject.tool.cpu_map = perf_event__repipe_op2_synth;
+ inject.tool.stat_config = perf_event__repipe_op2_synth;
+ inject.tool.stat = perf_event__repipe_op2_synth;
+ inject.tool.stat_round = perf_event__repipe_op2_synth;
+ inject.tool.feature = perf_event__repipe_op2_synth;
+ inject.tool.finished_init = perf_event__repipe_op2_synth;
+ inject.tool.compressed = perf_event__repipe_op4_synth;
+ inject.tool.auxtrace = perf_event__repipe_auxtrace;
+ inject.tool.bpf_metadata = perf_event__repipe_op2_synth;
+ inject.tool.dont_split_sample_group = true;
+ inject.tool.merge_deferred_callchains = false;
+ inject.session = __perf_session__new(&data, &inject.tool,
+ /*trace_event_repipe=*/inject.output.is_pipe,
+ /*host_env=*/NULL);
+
+ if (IS_ERR(inject.session)) {
+ ret = PTR_ERR(inject.session);
+ goto out_close_output;
}
- inject.tool.ordered_events = inject.sched_stat;
+ if (zstd_init(&(inject.session->zstd_data), 0) < 0)
+ pr_warning("Decompression initialization failed.\n");
- file.path = inject.input_name;
- inject.session = perf_session__new(&file, true, &inject.tool);
- if (inject.session == NULL)
- return -1;
+ /* Save original section info before feature bits change */
+ ret = save_section_info(&inject);
+ if (ret)
+ goto out_delete;
+
+ if (inject.output.is_pipe) {
+ ret = perf_header__write_pipe(perf_data__fd(&inject.output));
+ if (ret < 0) {
+ pr_err("Couldn't write a new pipe header.\n");
+ goto out_delete;
+ }
+
+ /*
+ * If the input is already a pipe then the features and
+ * attributes don't need synthesizing, they will be present in
+ * the input.
+ */
+ if (!data.is_pipe) {
+ ret = perf_event__synthesize_for_pipe(&inject.tool,
+ inject.session,
+ &inject.output,
+ perf_event__repipe);
+ if (ret < 0)
+ goto out_delete;
+ }
+ }
- if (inject.build_ids) {
+ if (inject.build_id_style == BID_RWS__INJECT_HEADER_LAZY ||
+ inject.build_id_style == BID_RWS__MMAP2_BUILDID_LAZY) {
/*
* to make sure the mmap records are ordered correctly
* and so that the correct especially due to jitted code
* mmaps. We cannot generate the buildid hit list and
* inject the jit mmaps at the same time for now.
*/
- inject.tool.ordered_events = true;
inject.tool.ordering_requires_timestamps = true;
}
+ if (inject.build_id_style != BID_RWS__NONE && known_build_ids != NULL) {
+ inject.known_build_ids =
+ perf_inject__parse_known_build_ids(known_build_ids);
+
+ if (inject.known_build_ids == NULL) {
+ pr_err("Couldn't parse known build ids.\n");
+ goto out_delete;
+ }
+ }
+
#ifdef HAVE_JITDUMP
if (inject.jit_mode) {
- inject.tool.mmap2 = perf_event__jit_repipe_mmap2;
- inject.tool.mmap = perf_event__jit_repipe_mmap;
- inject.tool.ordered_events = true;
+ inject.tool.mmap2 = perf_event__repipe_mmap2;
+ inject.tool.mmap = perf_event__repipe_mmap;
inject.tool.ordering_requires_timestamps = true;
/*
* JIT MMAP injection injects all MMAP events in one go, so it
@@ -858,13 +2599,23 @@ int cmd_inject(int argc, const char **argv)
inject.tool.finished_round = perf_event__drop_oe;
}
#endif
- ret = symbol__init(&inject.session->header.env);
+ ret = symbol__init(perf_session__env(inject.session));
if (ret < 0)
goto out_delete;
ret = __cmd_inject(&inject);
+ guest_session__exit(&inject.guest_session);
+
out_delete:
+ strlist__delete(inject.known_build_ids);
+ zstd_fini(&(inject.session->zstd_data));
perf_session__delete(inject.session);
+out_close_output:
+ if (!inject.in_place_update)
+ perf_data__close(&inject.output);
+ free(inject.itrace_synth_opts.vm_tm_corr_args);
+ free(inject.event_copy);
+ free(inject.guest_session.ev.event_buf);
return ret;
}
diff --git a/tools/perf/builtin-kallsyms.c b/tools/perf/builtin-kallsyms.c
index 8ff38c4eb2c0..3c4339982b16 100644
--- a/tools/perf/builtin-kallsyms.c
+++ b/tools/perf/builtin-kallsyms.c
@@ -1,46 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* builtin-kallsyms.c
*
* Builtin command: Look for a symbol in the running kernel and its modules
*
* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Released under the GPL v2. (and only v2, not any later version)
*/
+#include <inttypes.h>
#include "builtin.h"
#include <linux/compiler.h>
#include <subcmd/parse-options.h>
#include "debug.h"
+#include "dso.h"
+#include "env.h"
#include "machine.h"
+#include "map.h"
#include "symbol.h"
static int __cmd_kallsyms(int argc, const char **argv)
{
- int i;
- struct machine *machine = machine__new_kallsyms();
+ int i, err;
+ struct perf_env host_env;
+ struct machine *machine = NULL;
+
+
+ perf_env__init(&host_env);
+ err = perf_env__set_cmdline(&host_env, argc, argv);
+ if (err)
+ goto out;
+ machine = machine__new_kallsyms(&host_env);
if (machine == NULL) {
pr_err("Couldn't read /proc/kallsyms\n");
- return -1;
+ err = -1;
+ goto out;
}
for (i = 0; i < argc; ++i) {
struct map *map;
- struct symbol *symbol = machine__find_kernel_function_by_name(machine, argv[i], &map);
+ const struct dso *dso;
+ struct symbol *symbol = machine__find_kernel_symbol_by_name(machine, argv[i], &map);
if (symbol == NULL) {
printf("%s: not found\n", argv[i]);
continue;
}
+ dso = map__dso(map);
printf("%s: %s %s %#" PRIx64 "-%#" PRIx64 " (%#" PRIx64 "-%#" PRIx64")\n",
- symbol->name, map->dso->short_name, map->dso->long_name,
- map->unmap_ip(map, symbol->start), map->unmap_ip(map, symbol->end),
+ symbol->name, dso__short_name(dso), dso__long_name(dso),
+ map__unmap_ip(map, symbol->start), map__unmap_ip(map, symbol->end),
symbol->start, symbol->end);
}
-
+out:
machine__delete(machine);
- return 0;
+ perf_env__exit(&host_env);
+ return err;
}
int cmd_kallsyms(int argc, const char **argv)
@@ -58,7 +73,6 @@ int cmd_kallsyms(int argc, const char **argv)
if (argc < 1)
usage_with_options(kallsyms_usage, options);
- symbol_conf.sort_by_name = true;
symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
if (symbol__init(NULL) < 0)
return -1;
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 515587825af4..7929a5fa5f46 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -1,10 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0
#include "builtin.h"
-#include "perf.h"
+#include "util/dso.h"
#include "util/evlist.h"
#include "util/evsel.h"
-#include "util/util.h"
#include "util/config.h"
+#include "util/map.h"
#include "util/symbol.h"
#include "util/thread.h"
#include "util/header.h"
@@ -12,19 +13,31 @@
#include "util/tool.h"
#include "util/callchain.h"
#include "util/time-utils.h"
+#include <linux/err.h>
+#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include "util/trace-event.h"
#include "util/data.h"
#include "util/cpumap.h"
#include "util/debug.h"
+#include "util/string2.h"
+#include "util/util.h"
+#include <linux/kernel.h>
+#include <linux/numa.h>
#include <linux/rbtree.h>
#include <linux/string.h>
+#include <linux/zalloc.h>
+#include <errno.h>
+#include <inttypes.h>
#include <locale.h>
#include <regex.h>
+#include <linux/ctype.h>
+#include <event-parse.h>
+
static int kmem_slab;
static int kmem_page;
@@ -158,13 +171,12 @@ static int insert_caller_stat(unsigned long call_site,
return 0;
}
-static int perf_evsel__process_alloc_event(struct perf_evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_alloc_event(struct evsel *evsel, struct perf_sample *sample)
{
- unsigned long ptr = perf_evsel__intval(evsel, sample, "ptr"),
- call_site = perf_evsel__intval(evsel, sample, "call_site");
- int bytes_req = perf_evsel__intval(evsel, sample, "bytes_req"),
- bytes_alloc = perf_evsel__intval(evsel, sample, "bytes_alloc");
+ unsigned long ptr = evsel__intval(evsel, sample, "ptr"),
+ call_site = evsel__intval(evsel, sample, "call_site");
+ int bytes_req = evsel__intval(evsel, sample, "bytes_req"),
+ bytes_alloc = evsel__intval(evsel, sample, "bytes_alloc");
if (insert_alloc_stat(call_site, ptr, bytes_req, bytes_alloc, sample->cpu) ||
insert_caller_stat(call_site, bytes_req, bytes_alloc))
@@ -174,23 +186,33 @@ static int perf_evsel__process_alloc_event(struct perf_evsel *evsel,
total_allocated += bytes_alloc;
nr_allocs++;
- return 0;
-}
-static int perf_evsel__process_alloc_node_event(struct perf_evsel *evsel,
- struct perf_sample *sample)
-{
- int ret = perf_evsel__process_alloc_event(evsel, sample);
+ /*
+ * Commit 11e9734bcb6a ("mm/slab_common: unify NUMA and UMA
+ * version of tracepoints") adds the field "node" into the
+ * tracepoints 'kmalloc' and 'kmem_cache_alloc'.
+ *
+ * The legacy tracepoints 'kmalloc_node' and 'kmem_cache_alloc_node'
+ * also contain the field "node".
+ *
+ * If the tracepoint contains the field "node" the tool stats the
+ * cross allocation.
+ */
+ if (evsel__field(evsel, "node")) {
+ int node1, node2;
- if (!ret) {
- int node1 = cpu__get_node(sample->cpu),
- node2 = perf_evsel__intval(evsel, sample, "node");
+ node1 = cpu__get_node((struct perf_cpu){.cpu = sample->cpu});
+ node2 = evsel__intval(evsel, sample, "node");
- if (node1 != node2)
+ /*
+ * If the field "node" is NUMA_NO_NODE (-1), we don't take it
+ * as a cross allocation.
+ */
+ if ((node2 != NUMA_NO_NODE) && (node1 != node2))
nr_cross_allocs++;
}
- return ret;
+ return 0;
}
static int ptr_cmp(void *, void *);
@@ -221,10 +243,9 @@ static struct alloc_stat *search_alloc_stat(unsigned long ptr,
return NULL;
}
-static int perf_evsel__process_free_event(struct perf_evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_free_event(struct evsel *evsel, struct perf_sample *sample)
{
- unsigned long ptr = perf_evsel__intval(evsel, sample, "ptr");
+ unsigned long ptr = evsel__intval(evsel, sample, "ptr");
struct alloc_stat *s_alloc, *s_caller;
s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp);
@@ -328,7 +349,7 @@ static int build_alloc_func_list(void)
struct alloc_func *func;
struct machine *machine = &kmem_session->machines.host;
regex_t alloc_func_regex;
- const char pattern[] = "^_?_?(alloc|get_free|get_zeroed)_pages?";
+ static const char pattern[] = "^_?_?(alloc|get_free|get_zeroed)_pages?";
ret = regcomp(&alloc_func_regex, pattern, REG_EXTENDED);
if (ret) {
@@ -373,26 +394,34 @@ static int build_alloc_func_list(void)
* Find first non-memory allocation function from callchain.
* The allocation functions are in the 'alloc_func_list'.
*/
-static u64 find_callsite(struct perf_evsel *evsel, struct perf_sample *sample)
+static u64 find_callsite(struct evsel *evsel, struct perf_sample *sample)
{
struct addr_location al;
struct machine *machine = &kmem_session->machines.host;
struct callchain_cursor_node *node;
+ struct callchain_cursor *cursor;
+ u64 result = sample->ip;
+ addr_location__init(&al);
if (alloc_func_list == NULL) {
if (build_alloc_func_list() < 0)
goto out;
}
al.thread = machine__findnew_thread(machine, sample->pid, sample->tid);
- sample__resolve_callchain(sample, &callchain_cursor, NULL, evsel, &al, 16);
- callchain_cursor_commit(&callchain_cursor);
+ cursor = get_tls_callchain_cursor();
+ if (cursor == NULL)
+ goto out;
+
+ sample__resolve_callchain(sample, cursor, NULL, evsel, &al, 16);
+
+ callchain_cursor_commit(cursor);
while (true) {
struct alloc_func key, *caller;
u64 addr;
- node = callchain_cursor_current(&callchain_cursor);
+ node = callchain_cursor_current(cursor);
if (node == NULL)
break;
@@ -401,21 +430,23 @@ static u64 find_callsite(struct perf_evsel *evsel, struct perf_sample *sample)
sizeof(key), callcmp);
if (!caller) {
/* found */
- if (node->map)
- addr = map__unmap_ip(node->map, node->ip);
+ if (node->ms.map)
+ addr = map__dso_unmap_ip(node->ms.map, node->ip);
else
addr = node->ip;
- return addr;
+ result = addr;
+ goto out;
} else
pr_debug3("skipping alloc function: %s\n", caller->name);
- callchain_cursor_advance(&callchain_cursor);
+ callchain_cursor_advance(cursor);
}
-out:
pr_debug2("unknown callsite: %"PRIx64 "\n", sample->ip);
- return sample->ip;
+out:
+ addr_location__exit(&al);
+ return result;
}
struct sort_dimension {
@@ -622,7 +653,6 @@ static const struct {
{ "GFP_HIGHUSER_MOVABLE", "HUM" },
{ "GFP_HIGHUSER", "HU" },
{ "GFP_USER", "U" },
- { "GFP_TEMPORARY", "TMP" },
{ "GFP_KERNEL_ACCOUNT", "KAC" },
{ "GFP_KERNEL", "K" },
{ "GFP_NOFS", "NF" },
@@ -633,12 +663,10 @@ static const struct {
{ "__GFP_HIGHMEM", "HM" },
{ "GFP_DMA32", "D32" },
{ "__GFP_HIGH", "H" },
- { "__GFP_ATOMIC", "_A" },
{ "__GFP_IO", "I" },
{ "__GFP_FS", "F" },
- { "__GFP_COLD", "CO" },
{ "__GFP_NOWARN", "NWR" },
- { "__GFP_REPEAT", "R" },
+ { "__GFP_RETRY_MAYFAIL", "R" },
{ "__GFP_NOFAIL", "NF" },
{ "__GFP_NORETRY", "NR" },
{ "__GFP_COMP", "C" },
@@ -650,7 +678,6 @@ static const struct {
{ "__GFP_RECLAIMABLE", "RC" },
{ "__GFP_MOVABLE", "M" },
{ "__GFP_ACCOUNT", "AC" },
- { "__GFP_NOTRACK", "NT" },
{ "__GFP_WRITE", "WR" },
{ "__GFP_RECLAIM", "R" },
{ "__GFP_DIRECT_RECLAIM", "DR" },
@@ -683,6 +710,7 @@ static char *compact_gfp_flags(char *gfp_flags)
new = realloc(new_flags, len + strlen(cpt) + 2);
if (new == NULL) {
free(new_flags);
+ free(orig_flags);
return NULL;
}
@@ -723,16 +751,17 @@ static char *compact_gfp_string(unsigned long gfp_flags)
return NULL;
}
-static int parse_gfp_flags(struct perf_evsel *evsel, struct perf_sample *sample,
+static int parse_gfp_flags(struct evsel *evsel, struct perf_sample *sample,
unsigned int gfp_flags)
{
- struct pevent_record record = {
+ struct tep_record record = {
.cpu = sample->cpu,
.data = sample->raw_data,
.size = sample->raw_size,
};
struct trace_seq seq;
char *str, *pos = NULL;
+ const struct tep_event *tp_format;
if (nr_gfps) {
struct gfp_flag key = {
@@ -744,7 +773,9 @@ static int parse_gfp_flags(struct perf_evsel *evsel, struct perf_sample *sample,
}
trace_seq_init(&seq);
- pevent_event_info(&seq, evsel->tp_format, &record);
+ tp_format = evsel__tp_format(evsel);
+ if (tp_format)
+ tep_print_event(tp_format->tep, &seq, &record, "%s", TEP_PRINT_INFO);
str = strtok_r(seq.buffer, " ", &pos);
while (str) {
@@ -774,13 +805,12 @@ static int parse_gfp_flags(struct perf_evsel *evsel, struct perf_sample *sample,
return 0;
}
-static int perf_evsel__process_page_alloc_event(struct perf_evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_page_alloc_event(struct evsel *evsel, struct perf_sample *sample)
{
u64 page;
- unsigned int order = perf_evsel__intval(evsel, sample, "order");
- unsigned int gfp_flags = perf_evsel__intval(evsel, sample, "gfp_flags");
- unsigned int migrate_type = perf_evsel__intval(evsel, sample,
+ unsigned int order = evsel__intval(evsel, sample, "order");
+ unsigned int gfp_flags = evsel__intval(evsel, sample, "gfp_flags");
+ unsigned int migrate_type = evsel__intval(evsel, sample,
"migratetype");
u64 bytes = kmem_page_size << order;
u64 callsite;
@@ -792,9 +822,9 @@ static int perf_evsel__process_page_alloc_event(struct perf_evsel *evsel,
};
if (use_pfn)
- page = perf_evsel__intval(evsel, sample, "pfn");
+ page = evsel__intval(evsel, sample, "pfn");
else
- page = perf_evsel__intval(evsel, sample, "page");
+ page = evsel__intval(evsel, sample, "page");
nr_page_allocs++;
total_page_alloc_bytes += bytes;
@@ -847,11 +877,10 @@ static int perf_evsel__process_page_alloc_event(struct perf_evsel *evsel,
return 0;
}
-static int perf_evsel__process_page_free_event(struct perf_evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_page_free_event(struct evsel *evsel, struct perf_sample *sample)
{
u64 page;
- unsigned int order = perf_evsel__intval(evsel, sample, "order");
+ unsigned int order = evsel__intval(evsel, sample, "order");
u64 bytes = kmem_page_size << order;
struct page_stat *pstat;
struct page_stat this = {
@@ -859,9 +888,9 @@ static int perf_evsel__process_page_free_event(struct perf_evsel *evsel,
};
if (use_pfn)
- page = perf_evsel__intval(evsel, sample, "pfn");
+ page = evsel__intval(evsel, sample, "pfn");
else
- page = perf_evsel__intval(evsel, sample, "page");
+ page = evsel__intval(evsel, sample, "page");
nr_page_frees++;
total_page_free_bytes += bytes;
@@ -925,13 +954,13 @@ static bool perf_kmem__skip_sample(struct perf_sample *sample)
return false;
}
-typedef int (*tracepoint_handler)(struct perf_evsel *evsel,
+typedef int (*tracepoint_handler)(struct evsel *evsel,
struct perf_sample *sample);
-static int process_sample_event(struct perf_tool *tool __maybe_unused,
+static int process_sample_event(const struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
int err = 0;
@@ -947,7 +976,7 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
if (perf_kmem__skip_sample(sample))
return 0;
- dump_printf(" ... thread: %s:%d\n", thread__comm_str(thread), thread->tid);
+ dump_printf(" ... thread: %s:%d\n", thread__comm_str(thread), thread__tid(thread));
if (evsel->handler != NULL) {
tracepoint_handler f = evsel->handler;
@@ -959,15 +988,6 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
return err;
}
-static struct perf_tool perf_kmem = {
- .sample = process_sample_event,
- .comm = perf_event__process_comm,
- .mmap = perf_event__process_mmap,
- .mmap2 = perf_event__process_mmap2,
- .namespaces = perf_event__process_namespaces,
- .ordered_events = true,
-};
-
static double fragmentation(unsigned long n_req, unsigned long n_alloc)
{
if (n_alloc == 0)
@@ -1001,13 +1021,13 @@ static void __print_slab_result(struct rb_root *root,
if (is_caller) {
addr = data->call_site;
if (!raw_ip)
- sym = machine__find_kernel_function(machine, addr, &map);
+ sym = machine__find_kernel_symbol(machine, addr, &map);
} else
addr = data->ptr;
if (sym != NULL)
snprintf(buf, sizeof(buf), "%s+%" PRIx64 "", sym->name,
- addr - map->unmap_ip(map, sym->start));
+ addr - map__unmap_ip(map, sym->start));
else
snprintf(buf, sizeof(buf), "%#" PRIx64 "", addr);
printf(" %-34s |", buf);
@@ -1065,7 +1085,7 @@ static void __print_page_alloc_result(struct perf_session *session, int n_lines)
char *caller = buf;
data = rb_entry(next, struct page_stat, node);
- sym = machine__find_kernel_function(machine, data->callsite, &map);
+ sym = machine__find_kernel_symbol(machine, data->callsite, &map);
if (sym)
caller = sym->name;
else
@@ -1107,7 +1127,7 @@ static void __print_page_caller_result(struct perf_session *session, int n_lines
char *caller = buf;
data = rb_entry(next, struct page_stat, node);
- sym = machine__find_kernel_function(machine, data->callsite, &map);
+ sym = machine__find_kernel_symbol(machine, data->callsite, &map);
if (sym)
caller = sym->name;
else
@@ -1358,18 +1378,18 @@ static void sort_result(void)
static int __cmd_kmem(struct perf_session *session)
{
int err = -EINVAL;
- struct perf_evsel *evsel;
- const struct perf_evsel_str_handler kmem_tracepoints[] = {
+ struct evsel *evsel;
+ const struct evsel_str_handler kmem_tracepoints[] = {
/* slab allocator */
- { "kmem:kmalloc", perf_evsel__process_alloc_event, },
- { "kmem:kmem_cache_alloc", perf_evsel__process_alloc_event, },
- { "kmem:kmalloc_node", perf_evsel__process_alloc_node_event, },
- { "kmem:kmem_cache_alloc_node", perf_evsel__process_alloc_node_event, },
- { "kmem:kfree", perf_evsel__process_free_event, },
- { "kmem:kmem_cache_free", perf_evsel__process_free_event, },
+ { "kmem:kmalloc", evsel__process_alloc_event, },
+ { "kmem:kmem_cache_alloc", evsel__process_alloc_event, },
+ { "kmem:kmalloc_node", evsel__process_alloc_event, },
+ { "kmem:kmem_cache_alloc_node", evsel__process_alloc_event, },
+ { "kmem:kfree", evsel__process_free_event, },
+ { "kmem:kmem_cache_free", evsel__process_free_event, },
/* page allocator */
- { "kmem:mm_page_alloc", perf_evsel__process_page_alloc_event, },
- { "kmem:mm_page_free", perf_evsel__process_page_free_event, },
+ { "kmem:mm_page_alloc", evsel__process_page_alloc_event, },
+ { "kmem:mm_page_free", evsel__process_page_free_event, },
};
if (!perf_session__has_traces(session, "kmem record"))
@@ -1381,8 +1401,8 @@ static int __cmd_kmem(struct perf_session *session)
}
evlist__for_each_entry(session->evlist, evsel) {
- if (!strcmp(perf_evsel__name(evsel), "kmem:mm_page_alloc") &&
- perf_evsel__field(evsel, "pfn")) {
+ if (evsel__name_is(evsel, "kmem:mm_page_alloc") &&
+ evsel__field(evsel, "pfn")) {
use_pfn = true;
break;
}
@@ -1710,7 +1730,7 @@ static int setup_slab_sorting(struct list_head *sort_list, const char *arg)
if (!tok)
break;
if (slab_sort_dimension__add(tok, sort_list) < 0) {
- error("Unknown slab --sort key: '%s'", tok);
+ pr_err("Unknown slab --sort key: '%s'", tok);
free(str);
return -1;
}
@@ -1736,7 +1756,7 @@ static int setup_page_sorting(struct list_head *sort_list, const char *arg)
if (!tok)
break;
if (page_sort_dimension__add(tok, sort_list) < 0) {
- error("Unknown page --sort key: '%s'", tok);
+ pr_err("Unknown page --sort key: '%s'", tok);
free(str);
return -1;
}
@@ -1818,6 +1838,19 @@ static int parse_line_opt(const struct option *opt __maybe_unused,
return 0;
}
+static bool slab_legacy_tp_is_exposed(void)
+{
+ /*
+ * The tracepoints "kmem:kmalloc_node" and
+ * "kmem:kmem_cache_alloc_node" have been removed on the latest
+ * kernel, if the tracepoint "kmem:kmalloc_node" is existed it
+ * means the tool is running on an old kernel, we need to
+ * rollback to support these legacy tracepoints.
+ */
+ return IS_ERR(trace_event__tp_format("kmem", "kmalloc_node")) ?
+ false : true;
+}
+
static int __cmd_record(int argc, const char **argv)
{
const char * const record_args[] = {
@@ -1825,22 +1858,28 @@ static int __cmd_record(int argc, const char **argv)
};
const char * const slab_events[] = {
"-e", "kmem:kmalloc",
- "-e", "kmem:kmalloc_node",
"-e", "kmem:kfree",
"-e", "kmem:kmem_cache_alloc",
- "-e", "kmem:kmem_cache_alloc_node",
"-e", "kmem:kmem_cache_free",
};
+ const char * const slab_legacy_events[] = {
+ "-e", "kmem:kmalloc_node",
+ "-e", "kmem:kmem_cache_alloc_node",
+ };
const char * const page_events[] = {
"-e", "kmem:mm_page_alloc",
"-e", "kmem:mm_page_free",
};
unsigned int rec_argc, i, j;
const char **rec_argv;
+ unsigned int slab_legacy_tp_exposed = slab_legacy_tp_is_exposed();
rec_argc = ARRAY_SIZE(record_args) + argc - 1;
- if (kmem_slab)
+ if (kmem_slab) {
rec_argc += ARRAY_SIZE(slab_events);
+ if (slab_legacy_tp_exposed)
+ rec_argc += ARRAY_SIZE(slab_legacy_events);
+ }
if (kmem_page)
rec_argc += ARRAY_SIZE(page_events) + 1; /* for -g */
@@ -1855,6 +1894,10 @@ static int __cmd_record(int argc, const char **argv)
if (kmem_slab) {
for (j = 0; j < ARRAY_SIZE(slab_events); j++, i++)
rec_argv[i] = strdup(slab_events[j]);
+ if (slab_legacy_tp_exposed) {
+ for (j = 0; j < ARRAY_SIZE(slab_legacy_events); j++, i++)
+ rec_argv[i] = strdup(slab_legacy_events[j]);
+ }
}
if (kmem_page) {
rec_argv[i++] = strdup("-g");
@@ -1889,7 +1932,7 @@ int cmd_kmem(int argc, const char **argv)
{
const char * const default_slab_sort = "frag,hit,bytes";
const char * const default_page_sort = "bytes,hit";
- struct perf_data_file file = {
+ struct perf_data data = {
.mode = PERF_DATA_MODE_READ,
};
const struct option kmem_options[] = {
@@ -1905,7 +1948,7 @@ int cmd_kmem(int argc, const char **argv)
"page, order, migtype, gfp", parse_sort_opt),
OPT_CALLBACK('l', "line", NULL, "num", "show n lines", parse_line_opt),
OPT_BOOLEAN(0, "raw-ip", &raw_ip, "show raw ip instead of symbol"),
- OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
+ OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),
OPT_CALLBACK_NOOPT(0, "slab", NULL, NULL, "Analyze slab allocator",
parse_slab_opt),
OPT_CALLBACK_NOOPT(0, "page", NULL, NULL, "Analyze page allocator",
@@ -1921,14 +1964,16 @@ int cmd_kmem(int argc, const char **argv)
NULL
};
struct perf_session *session;
- const char errmsg[] = "No %s allocation events found. Have you run 'perf kmem record --%s'?\n";
+ struct perf_tool perf_kmem;
+ static const char errmsg[] = "No %s allocation events found. Have you run 'perf kmem record --%s'?\n";
int ret = perf_config(kmem_config, NULL);
if (ret)
return ret;
argc = parse_options_subcommand(argc, argv, kmem_options,
- kmem_subcommands, kmem_usage, 0);
+ kmem_subcommands, kmem_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION);
if (!argc)
usage_with_options(kmem_usage, kmem_options);
@@ -1940,46 +1985,51 @@ int cmd_kmem(int argc, const char **argv)
kmem_page = 1;
}
- if (!strncmp(argv[0], "rec", 3)) {
+ if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
symbol__init(NULL);
return __cmd_record(argc, argv);
}
- file.path = input_name;
+ data.path = input_name;
- kmem_session = session = perf_session__new(&file, false, &perf_kmem);
- if (session == NULL)
- return -1;
+ perf_tool__init(&perf_kmem, /*ordered_events=*/true);
+ perf_kmem.sample = process_sample_event;
+ perf_kmem.comm = perf_event__process_comm;
+ perf_kmem.mmap = perf_event__process_mmap;
+ perf_kmem.mmap2 = perf_event__process_mmap2;
+ perf_kmem.namespaces = perf_event__process_namespaces;
+
+ kmem_session = session = perf_session__new(&data, &perf_kmem);
+ if (IS_ERR(session))
+ return PTR_ERR(session);
ret = -1;
if (kmem_slab) {
- if (!perf_evlist__find_tracepoint_by_name(session->evlist,
- "kmem:kmalloc")) {
+ if (!evlist__find_tracepoint_by_name(session->evlist, "kmem:kmalloc")) {
pr_err(errmsg, "slab", "slab");
goto out_delete;
}
}
if (kmem_page) {
- struct perf_evsel *evsel;
+ struct evsel *evsel = evlist__find_tracepoint_by_name(session->evlist, "kmem:mm_page_alloc");
+ const struct tep_event *tp_format = evsel ? evsel__tp_format(evsel) : NULL;
- evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
- "kmem:mm_page_alloc");
- if (evsel == NULL) {
+ if (tp_format == NULL) {
pr_err(errmsg, "page", "page");
goto out_delete;
}
-
- kmem_page_size = pevent_get_page_size(evsel->tp_format->pevent);
+ kmem_page_size = tep_get_page_size(tp_format->tep);
symbol_conf.use_callchain = true;
}
- symbol__init(&session->header.env);
+ symbol__init(perf_session__env(session));
if (perf_time__parse_str(&ptime, time_str) != 0) {
pr_err("Invalid time string\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto out_delete;
}
if (!strcmp(argv[0], "stat")) {
@@ -2009,7 +2059,8 @@ int cmd_kmem(int argc, const char **argv)
out_delete:
perf_session__delete(session);
+ /* free usage string allocated by parse_options_subcommand */
+ free((void *)kmem_usage[0]);
return ret;
}
-
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 38b409173693..c61369d54dd9 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1,99 +1,620 @@
+// SPDX-License-Identifier: GPL-2.0
#include "builtin.h"
#include "perf.h"
+#include "util/build-id.h"
#include "util/evsel.h"
#include "util/evlist.h"
-#include "util/util.h"
-#include "util/cache.h"
+#include "util/mmap.h"
+#include "util/term.h"
#include "util/symbol.h"
#include "util/thread.h"
#include "util/header.h"
#include "util/session.h"
#include "util/intlist.h"
+#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include "util/trace-event.h"
#include "util/debug.h"
#include "util/tool.h"
#include "util/stat.h"
+#include "util/synthetic-events.h"
#include "util/top.h"
#include "util/data.h"
#include "util/ordered-events.h"
+#include "util/kvm-stat.h"
+#include "util/util.h"
+#include "ui/browsers/hists.h"
+#include "ui/progress.h"
+#include "ui/ui.h"
+#include "util/string2.h"
#include <sys/prctl.h>
#ifdef HAVE_TIMERFD_SUPPORT
#include <sys/timerfd.h>
#endif
-
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <poll.h>
#include <termios.h>
#include <semaphore.h>
-#include <pthread.h>
+#include <signal.h>
#include <math.h>
+#include <perf/mmap.h>
-#ifdef HAVE_KVM_STAT_SUPPORT
-#include "util/kvm-stat.h"
+#if defined(HAVE_KVM_STAT_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
+#define GET_EVENT_KEY(func, field) \
+static u64 get_event_ ##func(struct kvm_event *event, int vcpu) \
+{ \
+ if (vcpu == -1) \
+ return event->total.field; \
+ \
+ if (vcpu >= event->max_vcpu) \
+ return 0; \
+ \
+ return event->vcpu[vcpu].field; \
+}
+
+#define COMPARE_EVENT_KEY(func, field) \
+GET_EVENT_KEY(func, field) \
+static int64_t cmp_event_ ## func(struct kvm_event *one, \
+ struct kvm_event *two, int vcpu) \
+{ \
+ return get_event_ ##func(one, vcpu) - \
+ get_event_ ##func(two, vcpu); \
+}
+
+COMPARE_EVENT_KEY(time, time);
+COMPARE_EVENT_KEY(max, stats.max);
+COMPARE_EVENT_KEY(min, stats.min);
+COMPARE_EVENT_KEY(count, stats.n);
+COMPARE_EVENT_KEY(mean, stats.mean);
+
+struct kvm_hists {
+ struct hists hists;
+ struct perf_hpp_list list;
+};
+
+struct kvm_dimension {
+ const char *name;
+ const char *header;
+ int width;
+ int64_t (*cmp)(struct perf_hpp_fmt *fmt, struct hist_entry *left,
+ struct hist_entry *right);
+ int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he);
+};
+
+struct kvm_fmt {
+ struct perf_hpp_fmt fmt;
+ struct kvm_dimension *dim;
+};
+
+static struct kvm_hists kvm_hists;
-void exit_event_get_key(struct perf_evsel *evsel,
- struct perf_sample *sample,
- struct event_key *key)
+static int64_t ev_name_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *left,
+ struct hist_entry *right)
{
- key->info = 0;
- key->key = perf_evsel__intval(evsel, sample, kvm_exit_reason);
+ /* Return opposite number for sorting in alphabetical order */
+ return -strcmp(left->kvm_info->name, right->kvm_info->name);
}
-bool kvm_exit_event(struct perf_evsel *evsel)
+static int fmt_width(struct perf_hpp_fmt *fmt,
+ struct perf_hpp *hpp __maybe_unused,
+ struct hists *hists __maybe_unused);
+
+static int ev_name_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
{
- return !strcmp(evsel->name, kvm_exit_trace);
+ int width = fmt_width(fmt, hpp, he->hists);
+
+ return scnprintf(hpp->buf, hpp->size, "%*s", width, he->kvm_info->name);
}
-bool exit_event_begin(struct perf_evsel *evsel,
- struct perf_sample *sample, struct event_key *key)
+static struct kvm_dimension dim_event = {
+ .header = "Event name",
+ .name = "ev_name",
+ .cmp = ev_name_cmp,
+ .entry = ev_name_entry,
+ .width = 40,
+};
+
+#define EV_METRIC_CMP(metric) \
+static int64_t ev_cmp_##metric(struct perf_hpp_fmt *fmt __maybe_unused, \
+ struct hist_entry *left, \
+ struct hist_entry *right) \
+{ \
+ struct kvm_event *event_left; \
+ struct kvm_event *event_right; \
+ struct perf_kvm_stat *perf_kvm; \
+ \
+ event_left = container_of(left, struct kvm_event, he); \
+ event_right = container_of(right, struct kvm_event, he); \
+ \
+ perf_kvm = event_left->perf_kvm; \
+ return cmp_event_##metric(event_left, event_right, \
+ perf_kvm->trace_vcpu); \
+}
+
+EV_METRIC_CMP(time)
+EV_METRIC_CMP(count)
+EV_METRIC_CMP(max)
+EV_METRIC_CMP(min)
+EV_METRIC_CMP(mean)
+
+#define EV_METRIC_ENTRY(metric) \
+static int ev_entry_##metric(struct perf_hpp_fmt *fmt, \
+ struct perf_hpp *hpp, \
+ struct hist_entry *he) \
+{ \
+ struct kvm_event *event; \
+ int width = fmt_width(fmt, hpp, he->hists); \
+ struct perf_kvm_stat *perf_kvm; \
+ \
+ event = container_of(he, struct kvm_event, he); \
+ perf_kvm = event->perf_kvm; \
+ return scnprintf(hpp->buf, hpp->size, "%*lu", width, \
+ get_event_##metric(event, perf_kvm->trace_vcpu)); \
+}
+
+EV_METRIC_ENTRY(time)
+EV_METRIC_ENTRY(count)
+EV_METRIC_ENTRY(max)
+EV_METRIC_ENTRY(min)
+
+static struct kvm_dimension dim_time = {
+ .header = "Time (ns)",
+ .name = "time",
+ .cmp = ev_cmp_time,
+ .entry = ev_entry_time,
+ .width = 12,
+};
+
+static struct kvm_dimension dim_count = {
+ .header = "Samples",
+ .name = "sample",
+ .cmp = ev_cmp_count,
+ .entry = ev_entry_count,
+ .width = 12,
+};
+
+static struct kvm_dimension dim_max_time = {
+ .header = "Max Time (ns)",
+ .name = "max_t",
+ .cmp = ev_cmp_max,
+ .entry = ev_entry_max,
+ .width = 14,
+};
+
+static struct kvm_dimension dim_min_time = {
+ .header = "Min Time (ns)",
+ .name = "min_t",
+ .cmp = ev_cmp_min,
+ .entry = ev_entry_min,
+ .width = 14,
+};
+
+static int ev_entry_mean(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
{
- if (kvm_exit_event(evsel)) {
- exit_event_get_key(evsel, sample, key);
- return true;
+ struct kvm_event *event;
+ int width = fmt_width(fmt, hpp, he->hists);
+ struct perf_kvm_stat *perf_kvm;
+
+ event = container_of(he, struct kvm_event, he);
+ perf_kvm = event->perf_kvm;
+ return scnprintf(hpp->buf, hpp->size, "%*lu", width,
+ get_event_mean(event, perf_kvm->trace_vcpu));
+}
+
+static struct kvm_dimension dim_mean_time = {
+ .header = "Mean Time (ns)",
+ .name = "mean_t",
+ .cmp = ev_cmp_mean,
+ .entry = ev_entry_mean,
+ .width = 14,
+};
+
+#define PERC_STR(__s, __v) \
+({ \
+ scnprintf(__s, sizeof(__s), "%.2F%%", __v); \
+ __s; \
+})
+
+static double percent(u64 st, u64 tot)
+{
+ return tot ? 100. * (double) st / (double) tot : 0;
+}
+
+#define EV_METRIC_PERCENT(metric) \
+static int ev_percent_##metric(struct hist_entry *he) \
+{ \
+ struct kvm_event *event; \
+ struct perf_kvm_stat *perf_kvm; \
+ \
+ event = container_of(he, struct kvm_event, he); \
+ perf_kvm = event->perf_kvm; \
+ \
+ return percent(get_event_##metric(event, perf_kvm->trace_vcpu), \
+ perf_kvm->total_##metric); \
+}
+
+EV_METRIC_PERCENT(time)
+EV_METRIC_PERCENT(count)
+
+static int ev_entry_time_precent(struct perf_hpp_fmt *fmt,
+ struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ int width = fmt_width(fmt, hpp, he->hists);
+ double per;
+ char buf[10];
+
+ per = ev_percent_time(he);
+ return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int64_t
+ev_cmp_time_precent(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *left, struct hist_entry *right)
+{
+ double per_left;
+ double per_right;
+
+ per_left = ev_percent_time(left);
+ per_right = ev_percent_time(right);
+
+ return per_left - per_right;
+}
+
+static struct kvm_dimension dim_time_percent = {
+ .header = "Time%",
+ .name = "percent_time",
+ .cmp = ev_cmp_time_precent,
+ .entry = ev_entry_time_precent,
+ .width = 12,
+};
+
+static int ev_entry_count_precent(struct perf_hpp_fmt *fmt,
+ struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ int width = fmt_width(fmt, hpp, he->hists);
+ double per;
+ char buf[10];
+
+ per = ev_percent_count(he);
+ return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int64_t
+ev_cmp_count_precent(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *left, struct hist_entry *right)
+{
+ double per_left;
+ double per_right;
+
+ per_left = ev_percent_count(left);
+ per_right = ev_percent_count(right);
+
+ return per_left - per_right;
+}
+
+static struct kvm_dimension dim_count_percent = {
+ .header = "Sample%",
+ .name = "percent_sample",
+ .cmp = ev_cmp_count_precent,
+ .entry = ev_entry_count_precent,
+ .width = 12,
+};
+
+static struct kvm_dimension *dimensions[] = {
+ &dim_event,
+ &dim_time,
+ &dim_time_percent,
+ &dim_count,
+ &dim_count_percent,
+ &dim_max_time,
+ &dim_min_time,
+ &dim_mean_time,
+ NULL,
+};
+
+static int fmt_width(struct perf_hpp_fmt *fmt,
+ struct perf_hpp *hpp __maybe_unused,
+ struct hists *hists __maybe_unused)
+{
+ struct kvm_fmt *kvm_fmt;
+
+ kvm_fmt = container_of(fmt, struct kvm_fmt, fmt);
+ return kvm_fmt->dim->width;
+}
+
+static int fmt_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hists *hists, int line __maybe_unused,
+ int *span __maybe_unused)
+{
+ struct kvm_fmt *kvm_fmt;
+ struct kvm_dimension *dim;
+ int width = fmt_width(fmt, hpp, hists);
+
+ kvm_fmt = container_of(fmt, struct kvm_fmt, fmt);
+ dim = kvm_fmt->dim;
+
+ return scnprintf(hpp->buf, hpp->size, "%*s", width, dim->header);
+}
+
+static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
+{
+ struct kvm_fmt *kvm_fmt_a = container_of(a, struct kvm_fmt, fmt);
+ struct kvm_fmt *kvm_fmt_b = container_of(b, struct kvm_fmt, fmt);
+
+ return kvm_fmt_a->dim == kvm_fmt_b->dim;
+}
+
+static void fmt_free(struct perf_hpp_fmt *fmt)
+{
+ struct kvm_fmt *kvm_fmt;
+
+ kvm_fmt = container_of(fmt, struct kvm_fmt, fmt);
+ free(kvm_fmt);
+}
+
+static struct kvm_dimension *get_dimension(const char *name)
+{
+ unsigned int i;
+
+ for (i = 0; dimensions[i] != NULL; i++) {
+ if (!strcmp(dimensions[i]->name, name))
+ return dimensions[i];
}
- return false;
+ return NULL;
}
-bool kvm_entry_event(struct perf_evsel *evsel)
+static struct kvm_fmt *get_format(const char *name)
{
- return !strcmp(evsel->name, kvm_entry_trace);
+ struct kvm_dimension *dim = get_dimension(name);
+ struct kvm_fmt *kvm_fmt;
+ struct perf_hpp_fmt *fmt;
+
+ if (!dim)
+ return NULL;
+
+ kvm_fmt = zalloc(sizeof(*kvm_fmt));
+ if (!kvm_fmt)
+ return NULL;
+
+ kvm_fmt->dim = dim;
+
+ fmt = &kvm_fmt->fmt;
+ INIT_LIST_HEAD(&fmt->list);
+ INIT_LIST_HEAD(&fmt->sort_list);
+ fmt->cmp = dim->cmp;
+ fmt->sort = dim->cmp;
+ fmt->color = NULL;
+ fmt->entry = dim->entry;
+ fmt->header = fmt_header;
+ fmt->width = fmt_width;
+ fmt->collapse = dim->cmp;
+ fmt->equal = fmt_equal;
+ fmt->free = fmt_free;
+
+ return kvm_fmt;
}
-bool exit_event_end(struct perf_evsel *evsel,
- struct perf_sample *sample __maybe_unused,
- struct event_key *key __maybe_unused)
+static int kvm_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
{
- return kvm_entry_event(evsel);
+ struct kvm_fmt *kvm_fmt = get_format(name);
+
+ if (!kvm_fmt) {
+ pr_warning("Fail to find format for output field %s.\n", name);
+ return -EINVAL;
+ }
+
+ perf_hpp_list__column_register(hpp_list, &kvm_fmt->fmt);
+ return 0;
}
-static const char *get_exit_reason(struct perf_kvm_stat *kvm,
- struct exit_reasons_table *tbl,
- u64 exit_code)
+static int kvm_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
{
- while (tbl->reason != NULL) {
- if (tbl->exit_code == exit_code)
- return tbl->reason;
- tbl++;
+ struct kvm_fmt *kvm_fmt = get_format(name);
+
+ if (!kvm_fmt) {
+ pr_warning("Fail to find format for sorting %s.\n", name);
+ return -EINVAL;
+ }
+
+ perf_hpp_list__register_sort_field(hpp_list, &kvm_fmt->fmt);
+ return 0;
+}
+
+static int kvm_hpp_list__init(char *list,
+ struct perf_hpp_list *hpp_list,
+ int (*fn)(struct perf_hpp_list *hpp_list,
+ char *name))
+{
+ char *tmp, *tok;
+ int ret;
+
+ if (!list || !fn)
+ return 0;
+
+ for (tok = strtok_r(list, ", ", &tmp); tok;
+ tok = strtok_r(NULL, ", ", &tmp)) {
+ ret = fn(hpp_list, tok);
+ if (!ret)
+ continue;
+
+ /* Handle errors */
+ if (ret == -EINVAL)
+ pr_err("Invalid field key: '%s'", tok);
+ else if (ret == -ESRCH)
+ pr_err("Unknown field key: '%s'", tok);
+ else
+ pr_err("Fail to initialize for field key: '%s'", tok);
+
+ break;
+ }
+
+ return ret;
+}
+
+static int kvm_hpp_list__parse(struct perf_hpp_list *hpp_list,
+ const char *output_, const char *sort_)
+{
+ char *output = output_ ? strdup(output_) : NULL;
+ char *sort = sort_ ? strdup(sort_) : NULL;
+ int ret;
+
+ ret = kvm_hpp_list__init(output, hpp_list, kvm_hists__init_output);
+ if (ret)
+ goto out;
+
+ ret = kvm_hpp_list__init(sort, hpp_list, kvm_hists__init_sort);
+ if (ret)
+ goto out;
+
+ /* Copy sort keys to output fields */
+ perf_hpp__setup_output_field(hpp_list);
+
+ /* and then copy output fields to sort keys */
+ perf_hpp__append_sort_keys(hpp_list);
+out:
+ free(output);
+ free(sort);
+ return ret;
+}
+
+static int kvm_hists__init(void)
+{
+ kvm_hists.list.nr_header_lines = 1;
+ __hists__init(&kvm_hists.hists, &kvm_hists.list);
+ perf_hpp_list__init(&kvm_hists.list);
+ return kvm_hpp_list__parse(&kvm_hists.list, NULL, "ev_name");
+}
+
+static int kvm_hists__reinit(const char *output, const char *sort)
+{
+ perf_hpp__reset_output_field(&kvm_hists.list);
+ return kvm_hpp_list__parse(&kvm_hists.list, output, sort);
+}
+static void print_result(struct perf_kvm_stat *kvm);
+
+#ifdef HAVE_SLANG_SUPPORT
+static void kvm_browser__update_nr_entries(struct hist_browser *hb)
+{
+ struct rb_node *nd = rb_first_cached(&hb->hists->entries);
+ u64 nr_entries = 0;
+
+ for (; nd; nd = rb_next(nd)) {
+ struct hist_entry *he = rb_entry(nd, struct hist_entry,
+ rb_node);
+
+ if (!he->filtered)
+ nr_entries++;
+ }
+
+ hb->nr_non_filtered_entries = nr_entries;
+}
+
+static int kvm_browser__title(struct hist_browser *browser,
+ char *buf, size_t size)
+{
+ scnprintf(buf, size, "KVM event statistics (%lu entries)",
+ browser->nr_non_filtered_entries);
+ return 0;
+}
+
+static struct hist_browser*
+perf_kvm_browser__new(struct hists *hists)
+{
+ struct hist_browser *browser = hist_browser__new(hists);
+
+ if (browser)
+ browser->title = kvm_browser__title;
+
+ return browser;
+}
+
+static int kvm__hists_browse(struct hists *hists)
+{
+ struct hist_browser *browser;
+ int key = -1;
+
+ browser = perf_kvm_browser__new(hists);
+ if (browser == NULL)
+ return -1;
+
+ /* reset abort key so that it can get Ctrl-C as a key */
+ SLang_reset_tty();
+ SLang_init_tty(0, 0, 0);
+
+ kvm_browser__update_nr_entries(browser);
+
+ while (1) {
+ key = hist_browser__run(browser, "? - help", true, 0);
+
+ switch (key) {
+ case 'q':
+ goto out;
+ default:
+ break;
+ }
}
- pr_err("unknown kvm exit code:%lld on %s\n",
- (unsigned long long)exit_code, kvm->exit_reasons_isa);
- return "UNKNOWN";
+out:
+ hist_browser__delete(browser);
+ return 0;
}
-void exit_event_decode_key(struct perf_kvm_stat *kvm,
- struct event_key *key,
- char *decode)
+static void kvm_display(struct perf_kvm_stat *kvm)
+{
+ if (!use_browser)
+ print_result(kvm);
+ else
+ kvm__hists_browse(&kvm_hists.hists);
+}
+
+#else
+
+static void kvm_display(struct perf_kvm_stat *kvm)
+{
+ use_browser = 0;
+ print_result(kvm);
+}
+
+#endif /* HAVE_SLANG_SUPPORT */
+
+#endif // defined(HAVE_KVM_STAT_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
+
+static const char *get_filename_for_perf_kvm(void)
{
- const char *exit_reason = get_exit_reason(kvm, key->exit_reasons,
- key->key);
+ const char *filename;
- scnprintf(decode, decode_str_len, "%s", exit_reason);
+ if (perf_host && !perf_guest)
+ filename = strdup("perf.data.host");
+ else if (!perf_host && perf_guest)
+ filename = strdup("perf.data.guest");
+ else
+ filename = strdup("perf.data.kvm");
+
+ return filename;
}
+#if defined(HAVE_KVM_STAT_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
+
static bool register_kvm_events_ops(struct perf_kvm_stat *kvm)
{
struct kvm_reg_events_ops *events_ops = kvm_reg_events_ops;
@@ -114,44 +635,37 @@ struct vcpu_event_record {
struct kvm_event *last_event;
};
-
-static void init_kvm_event_record(struct perf_kvm_stat *kvm)
-{
- unsigned int i;
-
- for (i = 0; i < EVENTS_CACHE_SIZE; i++)
- INIT_LIST_HEAD(&kvm->kvm_events_cache[i]);
-}
-
#ifdef HAVE_TIMERFD_SUPPORT
-static void clear_events_cache_stats(struct list_head *kvm_events_cache)
+static void clear_events_cache_stats(void)
{
- struct list_head *head;
+ struct rb_root_cached *root;
+ struct rb_node *nd;
struct kvm_event *event;
- unsigned int i;
- int j;
-
- for (i = 0; i < EVENTS_CACHE_SIZE; i++) {
- head = &kvm_events_cache[i];
- list_for_each_entry(event, head, hash_entry) {
- /* reset stats for event */
- event->total.time = 0;
- init_stats(&event->total.stats);
-
- for (j = 0; j < event->max_vcpu; ++j) {
- event->vcpu[j].time = 0;
- init_stats(&event->vcpu[j].stats);
- }
+ int i;
+
+ if (hists__has(&kvm_hists.hists, need_collapse))
+ root = &kvm_hists.hists.entries_collapsed;
+ else
+ root = kvm_hists.hists.entries_in;
+
+ for (nd = rb_first_cached(root); nd; nd = rb_next(nd)) {
+ struct hist_entry *he;
+
+ he = rb_entry(nd, struct hist_entry, rb_node_in);
+ event = container_of(he, struct kvm_event, he);
+
+ /* reset stats for event */
+ event->total.time = 0;
+ init_stats(&event->total.stats);
+
+ for (i = 0; i < event->max_vcpu; ++i) {
+ event->vcpu[i].time = 0;
+ init_stats(&event->vcpu[i].stats);
}
}
}
#endif
-static int kvm_events_hash_fn(u64 key)
-{
- return key & (EVENTS_CACHE_SIZE - 1);
-}
-
static bool kvm_event_expand(struct kvm_event *event, int vcpu_id)
{
int old_max_vcpu = event->max_vcpu;
@@ -177,54 +691,78 @@ static bool kvm_event_expand(struct kvm_event *event, int vcpu_id)
return true;
}
-static struct kvm_event *kvm_alloc_init_event(struct event_key *key)
+static void *kvm_he_zalloc(size_t size)
{
- struct kvm_event *event;
+ struct kvm_event *kvm_ev;
- event = zalloc(sizeof(*event));
- if (!event) {
- pr_err("Not enough memory\n");
+ kvm_ev = zalloc(size + sizeof(*kvm_ev));
+ if (!kvm_ev)
return NULL;
- }
- event->key = *key;
- init_stats(&event->total.stats);
- return event;
+ init_stats(&kvm_ev->total.stats);
+ hists__inc_nr_samples(&kvm_hists.hists, 0);
+ return &kvm_ev->he;
+}
+
+static void kvm_he_free(void *he)
+{
+ struct kvm_event *kvm_ev;
+
+ kvm_ev = container_of(he, struct kvm_event, he);
+ free(kvm_ev);
}
+static struct hist_entry_ops kvm_ev_entry_ops = {
+ .new = kvm_he_zalloc,
+ .free = kvm_he_free,
+};
+
static struct kvm_event *find_create_kvm_event(struct perf_kvm_stat *kvm,
- struct event_key *key)
+ struct event_key *key,
+ struct perf_sample *sample)
{
struct kvm_event *event;
- struct list_head *head;
+ struct hist_entry *he;
+ struct kvm_info *ki;
BUG_ON(key->key == INVALID_KEY);
- head = &kvm->kvm_events_cache[kvm_events_hash_fn(key->key)];
- list_for_each_entry(event, head, hash_entry) {
- if (event->key.key == key->key && event->key.info == key->info)
- return event;
+ ki = kvm_info__new();
+ if (!ki) {
+ pr_err("Failed to allocate kvm info\n");
+ return NULL;
}
- event = kvm_alloc_init_event(key);
- if (!event)
+ kvm->events_ops->decode_key(kvm, key, ki->name);
+ he = hists__add_entry_ops(&kvm_hists.hists, &kvm_ev_entry_ops,
+ &kvm->al, NULL, NULL, NULL, ki, sample, true);
+ if (he == NULL) {
+ pr_err("Failed to allocate hist entry\n");
+ free(ki);
return NULL;
+ }
+
+ event = container_of(he, struct kvm_event, he);
+ if (!event->perf_kvm) {
+ event->perf_kvm = kvm;
+ event->key = *key;
+ }
- list_add(&event->hash_entry, head);
return event;
}
static bool handle_begin_event(struct perf_kvm_stat *kvm,
struct vcpu_event_record *vcpu_record,
- struct event_key *key, u64 timestamp)
+ struct event_key *key,
+ struct perf_sample *sample)
{
struct kvm_event *event = NULL;
if (key->key != INVALID_KEY)
- event = find_create_kvm_event(kvm, key);
+ event = find_create_kvm_event(kvm, key, sample);
vcpu_record->last_event = event;
- vcpu_record->start_time = timestamp;
+ vcpu_record->start_time = sample->time;
return true;
}
@@ -246,9 +784,14 @@ static double kvm_event_rel_stddev(int vcpu_id, struct kvm_event *event)
avg_stats(&kvm_stats->stats));
}
-static bool update_kvm_event(struct kvm_event *event, int vcpu_id,
+static bool update_kvm_event(struct perf_kvm_stat *kvm,
+ struct kvm_event *event, int vcpu_id,
u64 time_diff)
{
+ /* Update overall statistics */
+ kvm->total_count++;
+ kvm->total_time += time_diff;
+
if (vcpu_id == -1) {
kvm_update_event_stats(&event->total, time_diff);
return true;
@@ -262,7 +805,7 @@ static bool update_kvm_event(struct kvm_event *event, int vcpu_id,
}
static bool is_child_event(struct perf_kvm_stat *kvm,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
@@ -274,7 +817,7 @@ static bool is_child_event(struct perf_kvm_stat *kvm,
return false;
for (; child_ops->name; child_ops++) {
- if (!strcmp(evsel->name, child_ops->name)) {
+ if (evsel__name_is(evsel, child_ops->name)) {
child_ops->get_key(evsel, sample, key);
return true;
}
@@ -286,12 +829,12 @@ static bool is_child_event(struct perf_kvm_stat *kvm,
static bool handle_child_event(struct perf_kvm_stat *kvm,
struct vcpu_event_record *vcpu_record,
struct event_key *key,
- struct perf_sample *sample __maybe_unused)
+ struct perf_sample *sample)
{
struct kvm_event *event = NULL;
if (key->key != INVALID_KEY)
- event = find_create_kvm_event(kvm, key);
+ event = find_create_kvm_event(kvm, key, sample);
vcpu_record->last_event = event;
@@ -340,7 +883,7 @@ static bool handle_end_event(struct perf_kvm_stat *kvm,
return true;
if (!event)
- event = find_create_kvm_event(kvm, key);
+ event = find_create_kvm_event(kvm, key, sample);
if (!event)
return false;
@@ -357,7 +900,7 @@ static bool handle_end_event(struct perf_kvm_stat *kvm,
time_diff = sample->time - time_begin;
if (kvm->duration && time_diff > kvm->duration) {
- char decode[decode_str_len];
+ char decode[KVM_EVENT_NAME_LEN];
kvm->events_ops->decode_key(kvm, &event->key, decode);
if (!skip_event(decode)) {
@@ -367,12 +910,12 @@ static bool handle_end_event(struct perf_kvm_stat *kvm,
}
}
- return update_kvm_event(event, vcpu, time_diff);
+ return update_kvm_event(kvm, event, vcpu, time_diff);
}
static
struct vcpu_event_record *per_vcpu_record(struct thread *thread,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample)
{
/* Only kvm_entry records vcpu id. */
@@ -385,8 +928,7 @@ struct vcpu_event_record *per_vcpu_record(struct thread *thread,
return NULL;
}
- vcpu_record->vcpu_id = perf_evsel__intval(evsel, sample,
- vcpu_id_str);
+ vcpu_record->vcpu_id = evsel__intval(evsel, sample, vcpu_id_str);
thread__set_priv(thread, vcpu_record);
}
@@ -395,7 +937,7 @@ struct vcpu_event_record *per_vcpu_record(struct thread *thread,
static bool handle_kvm_event(struct perf_kvm_stat *kvm,
struct thread *thread,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct perf_sample *sample)
{
struct vcpu_event_record *vcpu_record;
@@ -412,7 +954,7 @@ static bool handle_kvm_event(struct perf_kvm_stat *kvm,
return true;
if (kvm->events_ops->is_begin_event(evsel, sample, &key))
- return handle_begin_event(kvm, vcpu_record, &key, sample->time);
+ return handle_begin_event(kvm, vcpu_record, &key, sample);
if (is_child_event(kvm, evsel, sample, &key))
return handle_child_event(kvm, vcpu_record, &key, sample);
@@ -423,119 +965,51 @@ static bool handle_kvm_event(struct perf_kvm_stat *kvm,
return true;
}
-#define GET_EVENT_KEY(func, field) \
-static u64 get_event_ ##func(struct kvm_event *event, int vcpu) \
-{ \
- if (vcpu == -1) \
- return event->total.field; \
- \
- if (vcpu >= event->max_vcpu) \
- return 0; \
- \
- return event->vcpu[vcpu].field; \
-}
-
-#define COMPARE_EVENT_KEY(func, field) \
-GET_EVENT_KEY(func, field) \
-static int compare_kvm_event_ ## func(struct kvm_event *one, \
- struct kvm_event *two, int vcpu)\
-{ \
- return get_event_ ##func(one, vcpu) > \
- get_event_ ##func(two, vcpu); \
-}
-
-GET_EVENT_KEY(time, time);
-COMPARE_EVENT_KEY(count, stats.n);
-COMPARE_EVENT_KEY(mean, stats.mean);
-GET_EVENT_KEY(max, stats.max);
-GET_EVENT_KEY(min, stats.min);
-
-#define DEF_SORT_NAME_KEY(name, compare_key) \
- { #name, compare_kvm_event_ ## compare_key }
-
-static struct kvm_event_key keys[] = {
- DEF_SORT_NAME_KEY(sample, count),
- DEF_SORT_NAME_KEY(time, mean),
- { NULL, NULL }
-};
-
-static bool select_key(struct perf_kvm_stat *kvm)
+static bool is_valid_key(struct perf_kvm_stat *kvm)
{
- int i;
+ static const char *key_array[] = {
+ "ev_name", "sample", "time", "max_t", "min_t", "mean_t",
+ };
+ unsigned int i;
- for (i = 0; keys[i].name; i++) {
- if (!strcmp(keys[i].name, kvm->sort_key)) {
- kvm->compare = keys[i].key;
+ for (i = 0; i < ARRAY_SIZE(key_array); i++)
+ if (!strcmp(key_array[i], kvm->sort_key))
return true;
- }
- }
- pr_err("Unknown compare key:%s\n", kvm->sort_key);
+ pr_err("Unsupported sort key: %s\n", kvm->sort_key);
return false;
}
-static void insert_to_result(struct rb_root *result, struct kvm_event *event,
- key_cmp_fun bigger, int vcpu)
-{
- struct rb_node **rb = &result->rb_node;
- struct rb_node *parent = NULL;
- struct kvm_event *p;
-
- while (*rb) {
- p = container_of(*rb, struct kvm_event, rb);
- parent = *rb;
-
- if (bigger(event, p, vcpu))
- rb = &(*rb)->rb_left;
- else
- rb = &(*rb)->rb_right;
- }
-
- rb_link_node(&event->rb, parent, rb);
- rb_insert_color(&event->rb, result);
-}
-
-static void
-update_total_count(struct perf_kvm_stat *kvm, struct kvm_event *event)
-{
- int vcpu = kvm->trace_vcpu;
-
- kvm->total_count += get_event_count(event, vcpu);
- kvm->total_time += get_event_time(event, vcpu);
-}
-
static bool event_is_valid(struct kvm_event *event, int vcpu)
{
return !!get_event_count(event, vcpu);
}
-static void sort_result(struct perf_kvm_stat *kvm)
+static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
{
- unsigned int i;
- int vcpu = kvm->trace_vcpu;
struct kvm_event *event;
+ struct perf_kvm_stat *perf_kvm;
- for (i = 0; i < EVENTS_CACHE_SIZE; i++) {
- list_for_each_entry(event, &kvm->kvm_events_cache[i], hash_entry) {
- if (event_is_valid(event, vcpu)) {
- update_total_count(kvm, event);
- insert_to_result(&kvm->result, event,
- kvm->compare, vcpu);
- }
- }
- }
+ event = container_of(he, struct kvm_event, he);
+ perf_kvm = event->perf_kvm;
+ if (!event_is_valid(event, perf_kvm->trace_vcpu))
+ he->filtered = 1;
+ else
+ he->filtered = 0;
+ return 0;
}
-/* returns left most element of result, and erase it */
-static struct kvm_event *pop_from_result(struct rb_root *result)
+static void sort_result(struct perf_kvm_stat *kvm)
{
- struct rb_node *node = rb_first(result);
-
- if (!node)
- return NULL;
-
- rb_erase(node, result);
- return container_of(node, struct kvm_event, rb);
+ struct ui_progress prog;
+ const char *output_columns = "ev_name,sample,percent_sample,"
+ "time,percent_time,max_t,min_t,mean_t";
+
+ kvm_hists__reinit(output_columns, kvm->sort_key);
+ ui_progress__init(&prog, kvm_hists.hists.nr_entries, "Sorting...");
+ hists__collapse_resort(&kvm_hists.hists, NULL);
+ hists__output_resort_cb(&kvm_hists.hists, NULL, filter_cb);
+ ui_progress__finish();
}
static void print_vcpu_info(struct perf_kvm_stat *kvm)
@@ -575,9 +1049,10 @@ static void show_timeofday(void)
static void print_result(struct perf_kvm_stat *kvm)
{
- char decode[decode_str_len];
+ char decode[KVM_EVENT_NAME_LEN];
struct kvm_event *event;
int vcpu = kvm->trace_vcpu;
+ struct rb_node *nd;
if (kvm->live) {
puts(CONSOLE_CLEAR);
@@ -586,7 +1061,7 @@ static void print_result(struct perf_kvm_stat *kvm)
pr_info("\n\n");
print_vcpu_info(kvm);
- pr_info("%*s ", decode_str_len, kvm->events_ops->name);
+ pr_info("%*s ", KVM_EVENT_NAME_LEN, kvm->events_ops->name);
pr_info("%10s ", "Samples");
pr_info("%9s ", "Samples%");
@@ -596,16 +1071,22 @@ static void print_result(struct perf_kvm_stat *kvm)
pr_info("%16s ", "Avg time");
pr_info("\n\n");
- while ((event = pop_from_result(&kvm->result))) {
+ for (nd = rb_first_cached(&kvm_hists.hists.entries); nd; nd = rb_next(nd)) {
+ struct hist_entry *he;
u64 ecount, etime, max, min;
+ he = rb_entry(nd, struct hist_entry, rb_node);
+ if (he->filtered)
+ continue;
+
+ event = container_of(he, struct kvm_event, he);
ecount = get_event_count(event, vcpu);
etime = get_event_time(event, vcpu);
max = get_event_max(event, vcpu);
min = get_event_min(event, vcpu);
kvm->events_ops->decode_key(kvm, &event->key, decode);
- pr_info("%*s ", decode_str_len, decode);
+ pr_info("%*s ", KVM_EVENT_NAME_LEN, decode);
pr_info("%10llu ", (unsigned long long)ecount);
pr_info("%8.2f%% ", (double)ecount / kvm->total_count * 100);
pr_info("%8.2f%% ", (double)etime / kvm->total_time * 100);
@@ -623,8 +1104,8 @@ static void print_result(struct perf_kvm_stat *kvm)
pr_info("\nLost events: %" PRIu64 "\n\n", kvm->lost_events);
}
-#ifdef HAVE_TIMERFD_SUPPORT
-static int process_lost_event(struct perf_tool *tool,
+#if defined(HAVE_TIMERFD_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
+static int process_lost_event(const struct perf_tool *tool,
union perf_event *event __maybe_unused,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
@@ -645,10 +1126,10 @@ static bool skip_sample(struct perf_kvm_stat *kvm,
return false;
}
-static int process_sample_event(struct perf_tool *tool,
+static int process_sample_event(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
int err = 0;
@@ -659,6 +1140,11 @@ static int process_sample_event(struct perf_tool *tool,
if (skip_sample(kvm, sample))
return 0;
+ if (machine__resolve(machine, &kvm->al, sample) < 0) {
+ pr_warning("Fail to resolve address location, skip sample.\n");
+ return 0;
+ }
+
thread = machine__findnew_thread(machine, sample->pid, sample->tid);
if (thread == NULL) {
pr_debug("problem processing %d event, skipping it.\n",
@@ -675,18 +1161,21 @@ static int process_sample_event(struct perf_tool *tool,
static int cpu_isa_config(struct perf_kvm_stat *kvm)
{
- char buf[64], *cpuid;
+ char buf[128], *cpuid;
int err;
if (kvm->live) {
- err = get_cpuid(buf, sizeof(buf));
+ struct perf_cpu cpu = {-1};
+
+ err = get_cpuid(buf, sizeof(buf), cpu);
if (err != 0) {
- pr_err("Failed to look up CPU type\n");
- return err;
+ pr_err("Failed to look up CPU type: %s\n",
+ str_error_r(err, buf, sizeof(buf)));
+ return -err;
}
cpuid = buf;
} else
- cpuid = kvm->session->header.env.cpuid;
+ cpuid = perf_session__env(kvm->session)->cpuid;
if (!cpuid) {
pr_err("Failed to look up CPU type\n");
@@ -710,7 +1199,7 @@ static bool verify_vcpu(int vcpu)
return true;
}
-#ifdef HAVE_TIMERFD_SUPPORT
+#if defined(HAVE_TIMERFD_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
/* keeping the max events to a modest level to keep
* the processing of samples per mmap smooth.
*/
@@ -719,26 +1208,33 @@ static bool verify_vcpu(int vcpu)
static s64 perf_kvm__mmap_read_idx(struct perf_kvm_stat *kvm, int idx,
u64 *mmap_time)
{
+ struct evlist *evlist = kvm->evlist;
union perf_event *event;
- struct perf_sample sample;
+ struct mmap *md;
+ u64 timestamp;
s64 n = 0;
int err;
*mmap_time = ULLONG_MAX;
- while ((event = perf_evlist__mmap_read(kvm->evlist, idx)) != NULL) {
- err = perf_evlist__parse_sample(kvm->evlist, event, &sample);
+ md = &evlist->mmap[idx];
+ err = perf_mmap__read_init(&md->core);
+ if (err < 0)
+ return (err == -EAGAIN) ? 0 : -1;
+
+ while ((event = perf_mmap__read_event(&md->core)) != NULL) {
+ err = evlist__parse_sample_timestamp(evlist, event, &timestamp);
if (err) {
- perf_evlist__mmap_consume(kvm->evlist, idx);
+ perf_mmap__consume(&md->core);
pr_err("Failed to parse sample\n");
return -1;
}
- err = perf_session__queue_event(kvm->session, event, &sample, 0);
+ err = perf_session__queue_event(kvm->session, event, timestamp, 0, NULL);
/*
* FIXME: Here we can't consume the event, as perf_session__queue_event will
* point to it, and it'll get possibly overwritten by the kernel.
*/
- perf_evlist__mmap_consume(kvm->evlist, idx);
+ perf_mmap__consume(&md->core);
if (err) {
pr_err("Failed to enqueue sample: %d\n", err);
@@ -747,7 +1243,7 @@ static s64 perf_kvm__mmap_read_idx(struct perf_kvm_stat *kvm, int idx,
/* save time stamp of our first sample for this mmap */
if (n == 0)
- *mmap_time = sample.time;
+ *mmap_time = timestamp;
/* limit events per mmap handled all at once */
n++;
@@ -755,6 +1251,7 @@ static s64 perf_kvm__mmap_read_idx(struct perf_kvm_stat *kvm, int idx,
break;
}
+ perf_mmap__read_done(&md->core);
return n;
}
@@ -764,7 +1261,7 @@ static int perf_kvm__mmap_read(struct perf_kvm_stat *kvm)
s64 n, ntotal = 0;
u64 flush_time = ULLONG_MAX, mmap_time;
- for (i = 0; i < kvm->evlist->nr_mmaps; i++) {
+ for (i = 0; i < kvm->evlist->core.nr_mmaps; i++) {
n = perf_kvm__mmap_read_idx(kvm, i, &mmap_time);
if (n < 0)
return -1;
@@ -861,8 +1358,11 @@ static int perf_kvm__handle_timerfd(struct perf_kvm_stat *kvm)
sort_result(kvm);
print_result(kvm);
+ /* Reset sort list to "ev_name" */
+ kvm_hists__reinit(NULL, "ev_name");
+
/* reset counts */
- clear_events_cache_stats(kvm->kvm_events_cache);
+ clear_events_cache_stats();
kvm->total_count = 0;
kvm->total_time = 0;
kvm->lost_events = 0;
@@ -912,13 +1412,14 @@ static int kvm_events_live_report(struct perf_kvm_stat *kvm)
return ret;
if (!verify_vcpu(kvm->trace_vcpu) ||
- !select_key(kvm) ||
+ !is_valid_key(kvm) ||
!register_kvm_events_ops(kvm)) {
goto out;
}
set_term_quiet_input(&save);
- init_kvm_event_record(kvm);
+
+ kvm_hists__init();
signal(SIGINT, sig_handler);
signal(SIGTERM, sig_handler);
@@ -929,10 +1430,10 @@ static int kvm_events_live_report(struct perf_kvm_stat *kvm)
goto out;
}
- if (perf_evlist__add_pollfd(kvm->evlist, kvm->timerfd) < 0)
+ if (evlist__add_pollfd(kvm->evlist, kvm->timerfd) < 0)
goto out;
- nr_stdin = perf_evlist__add_pollfd(kvm->evlist, fileno(stdin));
+ nr_stdin = evlist__add_pollfd(kvm->evlist, fileno(stdin));
if (nr_stdin < 0)
goto out;
@@ -940,10 +1441,10 @@ static int kvm_events_live_report(struct perf_kvm_stat *kvm)
goto out;
/* everything is good - enable the events and process */
- perf_evlist__enable(kvm->evlist);
+ evlist__enable(kvm->evlist);
while (!done) {
- struct fdarray *fda = &kvm->evlist->pollfd;
+ struct fdarray *fda = &kvm->evlist->core.pollfd;
int rc;
rc = perf_kvm__mmap_read(kvm);
@@ -958,10 +1459,10 @@ static int kvm_events_live_report(struct perf_kvm_stat *kvm)
done = perf_kvm__handle_stdin();
if (!rc && !done)
- err = fdarray__poll(fda, 100);
+ err = evlist__poll(kvm->evlist, 100);
}
- perf_evlist__disable(kvm->evlist);
+ evlist__disable(kvm->evlist);
if (err == 0) {
sort_result(kvm);
@@ -969,6 +1470,8 @@ static int kvm_events_live_report(struct perf_kvm_stat *kvm)
}
out:
+ hists__delete_entries(&kvm_hists.hists);
+
if (kvm->timerfd >= 0)
close(kvm->timerfd);
@@ -979,30 +1482,30 @@ out:
static int kvm_live_open_events(struct perf_kvm_stat *kvm)
{
int err, rc = -1;
- struct perf_evsel *pos;
- struct perf_evlist *evlist = kvm->evlist;
+ struct evsel *pos;
+ struct evlist *evlist = kvm->evlist;
char sbuf[STRERR_BUFSIZE];
- perf_evlist__config(evlist, &kvm->opts, NULL);
+ evlist__config(evlist, &kvm->opts, NULL);
/*
* Note: exclude_{guest,host} do not apply here.
* This command processes KVM tracepoints from host only
*/
evlist__for_each_entry(evlist, pos) {
- struct perf_event_attr *attr = &pos->attr;
+ struct perf_event_attr *attr = &pos->core.attr;
/* make sure these *are* set */
- perf_evsel__set_sample_bit(pos, TID);
- perf_evsel__set_sample_bit(pos, TIME);
- perf_evsel__set_sample_bit(pos, CPU);
- perf_evsel__set_sample_bit(pos, RAW);
+ evsel__set_sample_bit(pos, TID);
+ evsel__set_sample_bit(pos, TIME);
+ evsel__set_sample_bit(pos, CPU);
+ evsel__set_sample_bit(pos, RAW);
/* make sure these are *not*; want as small a sample as possible */
- perf_evsel__reset_sample_bit(pos, PERIOD);
- perf_evsel__reset_sample_bit(pos, IP);
- perf_evsel__reset_sample_bit(pos, CALLCHAIN);
- perf_evsel__reset_sample_bit(pos, ADDR);
- perf_evsel__reset_sample_bit(pos, READ);
+ evsel__reset_sample_bit(pos, PERIOD);
+ evsel__reset_sample_bit(pos, IP);
+ evsel__reset_sample_bit(pos, CALLCHAIN);
+ evsel__reset_sample_bit(pos, ADDR);
+ evsel__reset_sample_bit(pos, READ);
attr->mmap = 0;
attr->comm = 0;
attr->task = 0;
@@ -1016,17 +1519,17 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm)
attr->disabled = 1;
}
- err = perf_evlist__open(evlist);
+ err = evlist__open(evlist);
if (err < 0) {
printf("Couldn't create the events: %s\n",
str_error_r(errno, sbuf, sizeof(sbuf)));
goto out;
}
- if (perf_evlist__mmap(evlist, kvm->opts.mmap_pages, false) < 0) {
+ if (evlist__mmap(evlist, kvm->opts.mmap_pages) < 0) {
ui__error("Failed to mmap the events: %s\n",
str_error_r(errno, sbuf, sizeof(sbuf)));
- perf_evlist__close(evlist);
+ evlist__close(evlist);
goto out;
}
@@ -1041,26 +1544,24 @@ static int read_events(struct perf_kvm_stat *kvm)
{
int ret;
- struct perf_tool eops = {
- .sample = process_sample_event,
- .comm = perf_event__process_comm,
- .namespaces = perf_event__process_namespaces,
- .ordered_events = true,
- };
- struct perf_data_file file = {
- .path = kvm->file_name,
- .mode = PERF_DATA_MODE_READ,
+ struct perf_data file = {
+ .path = kvm->file_name,
+ .mode = PERF_DATA_MODE_READ,
.force = kvm->force,
};
- kvm->tool = eops;
- kvm->session = perf_session__new(&file, false, &kvm->tool);
- if (!kvm->session) {
+ perf_tool__init(&kvm->tool, /*ordered_events=*/true);
+ kvm->tool.sample = process_sample_event;
+ kvm->tool.comm = perf_event__process_comm;
+ kvm->tool.namespaces = perf_event__process_namespaces;
+
+ kvm->session = perf_session__new(&file, &kvm->tool);
+ if (IS_ERR(kvm->session)) {
pr_err("Initializing perf session failed\n");
- return -1;
+ return PTR_ERR(kvm->session);
}
- symbol__init(&kvm->session->header.env);
+ symbol__init(perf_session__env(kvm->session));
if (!perf_session__has_traces(kvm->session, "kvm record")) {
ret = -EINVAL;
@@ -1106,34 +1607,35 @@ static int kvm_events_report_vcpu(struct perf_kvm_stat *kvm)
if (!verify_vcpu(vcpu))
goto exit;
- if (!select_key(kvm))
+ if (!is_valid_key(kvm))
goto exit;
if (!register_kvm_events_ops(kvm))
goto exit;
- init_kvm_event_record(kvm);
- setup_pager();
+ if (kvm->use_stdio) {
+ use_browser = 0;
+ setup_pager();
+ } else {
+ use_browser = 1;
+ }
+
+ setup_browser(false);
+
+ kvm_hists__init();
ret = read_events(kvm);
if (ret)
goto exit;
sort_result(kvm);
- print_result(kvm);
+ kvm_display(kvm);
exit:
+ hists__delete_entries(&kvm_hists.hists);
return ret;
}
-#define STRDUP_FAIL_EXIT(s) \
- ({ char *_p; \
- _p = strdup(s); \
- if (!_p) \
- return -ENOMEM; \
- _p; \
- })
-
int __weak setup_kvm_events_tp(struct perf_kvm_stat *kvm __maybe_unused)
{
return 0;
@@ -1178,7 +1680,7 @@ kvm_events_record(struct perf_kvm_stat *kvm, int argc, const char **argv)
rec_argv[i] = STRDUP_FAIL_EXIT(record_args[i]);
for (j = 0; j < events_tp_size; j++) {
- rec_argv[i++] = "-e";
+ rec_argv[i++] = STRDUP_FAIL_EXIT("-e");
rec_argv[i++] = STRDUP_FAIL_EXIT(kvm_events_tp[j]);
}
@@ -1186,7 +1688,7 @@ kvm_events_record(struct perf_kvm_stat *kvm, int argc, const char **argv)
rec_argv[i++] = STRDUP_FAIL_EXIT(kvm->file_name);
for (j = 1; j < (unsigned int)argc; j++, i++)
- rec_argv[i] = argv[j];
+ rec_argv[i] = STRDUP_FAIL_EXIT(argv[j]);
set_option_flag(record_options, 'e', "event", PARSE_OPT_HIDDEN);
set_option_flag(record_options, 0, "filter", PARSE_OPT_HIDDEN);
@@ -1209,7 +1711,13 @@ kvm_events_record(struct perf_kvm_stat *kvm, int argc, const char **argv)
set_option_flag(record_options, 0, "transaction", PARSE_OPT_DISABLED);
record_usage = kvm_stat_record_usage;
- return cmd_record(i, rec_argv);
+ ret = cmd_record(i, rec_argv);
+
+EXIT:
+ for (i = 0; i < rec_argc; i++)
+ free((void *)rec_argv[i]);
+ free(rec_argv);
+ return ret;
}
static int
@@ -1227,6 +1735,7 @@ kvm_events_report(struct perf_kvm_stat *kvm, int argc, const char **argv)
OPT_STRING('p', "pid", &kvm->opts.target.pid, "pid",
"analyze events only for given process id(s)"),
OPT_BOOLEAN('f', "force", &kvm->force, "don't complain, do it"),
+ OPT_BOOLEAN(0, "stdio", &kvm->use_stdio, "use the stdio interface"),
OPT_END()
};
@@ -1244,21 +1753,25 @@ kvm_events_report(struct perf_kvm_stat *kvm, int argc, const char **argv)
kvm_events_report_options);
}
+#ifndef HAVE_SLANG_SUPPORT
+ kvm->use_stdio = true;
+#endif
+
if (!kvm->opts.target.pid)
kvm->opts.target.system_wide = true;
return kvm_events_report_vcpu(kvm);
}
-#ifdef HAVE_TIMERFD_SUPPORT
-static struct perf_evlist *kvm_live_event_list(void)
+#if defined(HAVE_TIMERFD_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
+static struct evlist *kvm_live_event_list(void)
{
- struct perf_evlist *evlist;
+ struct evlist *evlist;
char *tp, *name, *sys;
int err = -1;
const char * const *events_tp;
- evlist = perf_evlist__new();
+ evlist = evlist__new();
if (evlist == NULL)
return NULL;
@@ -1280,7 +1793,7 @@ static struct perf_evlist *kvm_live_event_list(void)
*name = '\0';
name++;
- if (perf_evlist__add_newtp(evlist, sys, name, NULL)) {
+ if (evlist__add_newtp(evlist, sys, name, NULL)) {
pr_err("Failed to add %s tracepoint to the list\n", *events_tp);
free(tp);
goto out;
@@ -1293,7 +1806,7 @@ static struct perf_evlist *kvm_live_event_list(void)
out:
if (err) {
- perf_evlist__delete(evlist);
+ evlist__delete(evlist);
evlist = NULL;
}
@@ -1310,8 +1823,7 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
OPT_STRING('p', "pid", &kvm->opts.target.pid, "pid",
"record events on existing process id"),
OPT_CALLBACK('m', "mmap-pages", &kvm->opts.mmap_pages, "pages",
- "number of mmap data pages",
- perf_evlist__parse_mmap_pages),
+ "number of mmap data pages", evlist__parse_mmap_pages),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
OPT_BOOLEAN('a', "all-cpus", &kvm->opts.target.system_wide,
@@ -1330,7 +1842,7 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
"show events other than"
" HLT (x86 only) or Wait state (s390 only)"
" that take longer than duration usecs"),
- OPT_UINTEGER(0, "proc-map-timeout", &kvm->opts.proc_map_timeout,
+ OPT_UINTEGER(0, "proc-map-timeout", &proc_map_timeout,
"per thread proc mmap processing timeout in ms"),
OPT_END()
};
@@ -1338,29 +1850,25 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
"perf kvm stat live [<options>]",
NULL
};
- struct perf_data_file file = {
+ struct perf_data data = {
.mode = PERF_DATA_MODE_WRITE,
};
/* event handling */
+ perf_tool__init(&kvm->tool, /*ordered_events=*/true);
kvm->tool.sample = process_sample_event;
kvm->tool.comm = perf_event__process_comm;
kvm->tool.exit = perf_event__process_exit;
kvm->tool.fork = perf_event__process_fork;
kvm->tool.lost = process_lost_event;
kvm->tool.namespaces = perf_event__process_namespaces;
- kvm->tool.ordered_events = true;
- perf_tool__fill_defaults(&kvm->tool);
/* set defaults */
kvm->display_time = 1;
kvm->opts.user_interval = 1;
kvm->opts.mmap_pages = 512;
kvm->opts.target.uses_mmap = false;
- kvm->opts.target.uid_str = NULL;
- kvm->opts.target.uid = UINT_MAX;
- kvm->opts.proc_map_timeout = 500;
symbol__init(NULL);
disable_buildid_cache();
@@ -1404,24 +1912,22 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
goto out;
}
- symbol_conf.nr_events = kvm->evlist->nr_entries;
-
- if (perf_evlist__create_maps(kvm->evlist, &kvm->opts.target) < 0)
+ if (evlist__create_maps(kvm->evlist, &kvm->opts.target) < 0)
usage_with_options(live_usage, live_options);
/*
* perf session
*/
- kvm->session = perf_session__new(&file, false, &kvm->tool);
- if (kvm->session == NULL) {
- err = -1;
+ kvm->session = perf_session__new(&data, &kvm->tool);
+ if (IS_ERR(kvm->session)) {
+ err = PTR_ERR(kvm->session);
goto out;
}
kvm->session->evlist = kvm->evlist;
perf_session__set_id_hdr_size(kvm->session);
ordered_events__set_copy_on_queue(&kvm->session->ordered_events, true);
machine__synthesize_threads(&kvm->session->machines.host, &kvm->opts.target,
- kvm->evlist->threads, false, kvm->opts.proc_map_timeout);
+ kvm->evlist->core.threads, true, false, 1);
err = kvm_live_open_events(kvm);
if (err)
goto out;
@@ -1431,7 +1937,7 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
out:
perf_session__delete(kvm->session);
kvm->session = NULL;
- perf_evlist__delete(kvm->evlist);
+ evlist__delete(kvm->evlist);
return err;
}
@@ -1465,13 +1971,13 @@ static int kvm_cmd_stat(const char *file_name, int argc, const char **argv)
goto perf_stat;
}
- if (!strncmp(argv[1], "rec", 3))
+ if (strlen(argv[1]) > 2 && strstarts("record", argv[1]))
return kvm_events_record(&kvm, argc - 1, argv + 1);
- if (!strncmp(argv[1], "rep", 3))
+ if (strlen(argv[1]) > 2 && strstarts("report", argv[1]))
return kvm_events_report(&kvm, argc - 1 , argv + 1);
-#ifdef HAVE_TIMERFD_SUPPORT
+#if defined(HAVE_TIMERFD_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
if (!strncmp(argv[1], "live", 4))
return kvm_events_live(&kvm, argc - 1 , argv + 1);
#endif
@@ -1481,59 +1987,133 @@ perf_stat:
}
#endif /* HAVE_KVM_STAT_SUPPORT */
+int __weak kvm_add_default_arch_event(int *argc __maybe_unused,
+ const char **argv __maybe_unused)
+{
+ return 0;
+}
+
static int __cmd_record(const char *file_name, int argc, const char **argv)
{
- int rec_argc, i = 0, j;
+ int rec_argc, i = 0, j, ret;
const char **rec_argv;
- rec_argc = argc + 2;
+ /*
+ * Besides the 2 more options "-o" and "filename",
+ * kvm_add_default_arch_event() may add 2 extra options,
+ * so allocate 4 more items.
+ */
+ rec_argc = argc + 2 + 2;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
- rec_argv[i++] = strdup("record");
- rec_argv[i++] = strdup("-o");
- rec_argv[i++] = strdup(file_name);
+ if (!rec_argv)
+ return -ENOMEM;
+
+ rec_argv[i++] = STRDUP_FAIL_EXIT("record");
+ rec_argv[i++] = STRDUP_FAIL_EXIT("-o");
+ rec_argv[i++] = STRDUP_FAIL_EXIT(file_name);
for (j = 1; j < argc; j++, i++)
- rec_argv[i] = argv[j];
+ rec_argv[i] = STRDUP_FAIL_EXIT(argv[j]);
- BUG_ON(i != rec_argc);
+ BUG_ON(i + 2 != rec_argc);
+
+ ret = kvm_add_default_arch_event(&i, rec_argv);
+ if (ret)
+ goto EXIT;
+
+ ret = cmd_record(i, rec_argv);
- return cmd_record(i, rec_argv);
+EXIT:
+ for (i = 0; i < rec_argc; i++)
+ free((void *)rec_argv[i]);
+ free(rec_argv);
+ return ret;
}
static int __cmd_report(const char *file_name, int argc, const char **argv)
{
- int rec_argc, i = 0, j;
+ int rec_argc, i = 0, j, ret;
const char **rec_argv;
rec_argc = argc + 2;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
- rec_argv[i++] = strdup("report");
- rec_argv[i++] = strdup("-i");
- rec_argv[i++] = strdup(file_name);
+ if (!rec_argv)
+ return -ENOMEM;
+
+ rec_argv[i++] = STRDUP_FAIL_EXIT("report");
+ rec_argv[i++] = STRDUP_FAIL_EXIT("-i");
+ rec_argv[i++] = STRDUP_FAIL_EXIT(file_name);
for (j = 1; j < argc; j++, i++)
- rec_argv[i] = argv[j];
+ rec_argv[i] = STRDUP_FAIL_EXIT(argv[j]);
BUG_ON(i != rec_argc);
- return cmd_report(i, rec_argv);
+ ret = cmd_report(i, rec_argv);
+
+EXIT:
+ for (i = 0; i < rec_argc; i++)
+ free((void *)rec_argv[i]);
+ free(rec_argv);
+ return ret;
}
static int
__cmd_buildid_list(const char *file_name, int argc, const char **argv)
{
- int rec_argc, i = 0, j;
+ int rec_argc, i = 0, j, ret;
const char **rec_argv;
rec_argc = argc + 2;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
- rec_argv[i++] = strdup("buildid-list");
- rec_argv[i++] = strdup("-i");
- rec_argv[i++] = strdup(file_name);
+ if (!rec_argv)
+ return -ENOMEM;
+
+ rec_argv[i++] = STRDUP_FAIL_EXIT("buildid-list");
+ rec_argv[i++] = STRDUP_FAIL_EXIT("-i");
+ rec_argv[i++] = STRDUP_FAIL_EXIT(file_name);
for (j = 1; j < argc; j++, i++)
- rec_argv[i] = argv[j];
+ rec_argv[i] = STRDUP_FAIL_EXIT(argv[j]);
BUG_ON(i != rec_argc);
- return cmd_buildid_list(i, rec_argv);
+ ret = cmd_buildid_list(i, rec_argv);
+
+EXIT:
+ for (i = 0; i < rec_argc; i++)
+ free((void *)rec_argv[i]);
+ free(rec_argv);
+ return ret;
+}
+
+static int __cmd_top(int argc, const char **argv)
+{
+ int rec_argc, i = 0, ret;
+ const char **rec_argv;
+
+ /*
+ * kvm_add_default_arch_event() may add 2 extra options, so
+ * allocate 2 more pointers in adavance.
+ */
+ rec_argc = argc + 2;
+ rec_argv = calloc(rec_argc + 1, sizeof(char *));
+ if (!rec_argv)
+ return -ENOMEM;
+
+ for (i = 0; i < argc; i++)
+ rec_argv[i] = STRDUP_FAIL_EXIT(argv[i]);
+
+ BUG_ON(i != argc);
+
+ ret = kvm_add_default_arch_event(&i, rec_argv);
+ if (ret)
+ goto EXIT;
+
+ ret = cmd_top(i, rec_argv);
+
+EXIT:
+ for (i = 0; i < rec_argc; i++)
+ free((void *)rec_argv[i]);
+ free(rec_argv);
+ return ret;
}
int cmd_kvm(int argc, const char **argv)
@@ -1557,6 +2137,8 @@ int cmd_kvm(int argc, const char **argv)
"file", "file saving guest os /proc/kallsyms"),
OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
"file", "file saving guest os /proc/modules"),
+ OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
+ "Guest code can be found in hypervisor process"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
OPT_END()
@@ -1566,6 +2148,7 @@ int cmd_kvm(int argc, const char **argv)
"buildid-list", "stat", NULL };
const char *kvm_usage[] = { NULL, NULL };
+ exclude_GH_default = true;
perf_host = 0;
perf_guest = 1;
@@ -1586,22 +2169,25 @@ int cmd_kvm(int argc, const char **argv)
}
}
- if (!strncmp(argv[0], "rec", 3))
+ if (strlen(argv[0]) > 2 && strstarts("record", argv[0]))
return __cmd_record(file_name, argc, argv);
- else if (!strncmp(argv[0], "rep", 3))
+ else if (strlen(argv[0]) > 2 && strstarts("report", argv[0]))
return __cmd_report(file_name, argc, argv);
- else if (!strncmp(argv[0], "diff", 4))
+ else if (strlen(argv[0]) > 2 && strstarts("diff", argv[0]))
return cmd_diff(argc, argv);
- else if (!strncmp(argv[0], "top", 3))
- return cmd_top(argc, argv);
- else if (!strncmp(argv[0], "buildid-list", 12))
+ else if (!strcmp(argv[0], "top"))
+ return __cmd_top(argc, argv);
+ else if (strlen(argv[0]) > 2 && strstarts("buildid-list", argv[0]))
return __cmd_buildid_list(file_name, argc, argv);
-#ifdef HAVE_KVM_STAT_SUPPORT
- else if (!strncmp(argv[0], "stat", 4))
+#if defined(HAVE_KVM_STAT_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
+ else if (strlen(argv[0]) > 2 && strstarts("stat", argv[0]))
return kvm_cmd_stat(file_name, argc, argv);
#endif
else
usage_with_options(kvm_usage, kvm_options);
+ /* free usage string allocated by parse_options_subcommand */
+ free((void *)kvm_usage[0]);
+
return 0;
}
diff --git a/tools/perf/builtin-kwork.c b/tools/perf/builtin-kwork.c
new file mode 100644
index 000000000000..7f3068264568
--- /dev/null
+++ b/tools/perf/builtin-kwork.c
@@ -0,0 +1,2546 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * builtin-kwork.c
+ *
+ * Copyright (c) 2022 Huawei Inc, Yang Jihong <yangjihong1@huawei.com>
+ */
+
+#include "builtin.h"
+#include "perf.h"
+
+#include "util/data.h"
+#include "util/evlist.h"
+#include "util/evsel.h"
+#include "util/header.h"
+#include "util/kwork.h"
+#include "util/debug.h"
+#include "util/session.h"
+#include "util/symbol.h"
+#include "util/thread.h"
+#include "util/string2.h"
+#include "util/callchain.h"
+#include "util/evsel_fprintf.h"
+#include "util/util.h"
+
+#include <subcmd/pager.h>
+#include <subcmd/parse-options.h>
+#include <event-parse.h>
+
+#include <errno.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <linux/err.h>
+#include <linux/time64.h>
+#include <linux/zalloc.h>
+
+/*
+ * report header elements width
+ */
+#define PRINT_CPU_WIDTH 4
+#define PRINT_COUNT_WIDTH 9
+#define PRINT_RUNTIME_WIDTH 10
+#define PRINT_LATENCY_WIDTH 10
+#define PRINT_TIMESTAMP_WIDTH 17
+#define PRINT_KWORK_NAME_WIDTH 30
+#define RPINT_DECIMAL_WIDTH 3
+#define PRINT_BRACKETPAIR_WIDTH 2
+#define PRINT_TIME_UNIT_SEC_WIDTH 2
+#define PRINT_TIME_UNIT_MESC_WIDTH 3
+#define PRINT_PID_WIDTH 7
+#define PRINT_TASK_NAME_WIDTH 16
+#define PRINT_CPU_USAGE_WIDTH 6
+#define PRINT_CPU_USAGE_DECIMAL_WIDTH 2
+#define PRINT_CPU_USAGE_HIST_WIDTH 30
+#define PRINT_RUNTIME_HEADER_WIDTH (PRINT_RUNTIME_WIDTH + PRINT_TIME_UNIT_MESC_WIDTH)
+#define PRINT_LATENCY_HEADER_WIDTH (PRINT_LATENCY_WIDTH + PRINT_TIME_UNIT_MESC_WIDTH)
+#define PRINT_TIMEHIST_CPU_WIDTH (PRINT_CPU_WIDTH + PRINT_BRACKETPAIR_WIDTH)
+#define PRINT_TIMESTAMP_HEADER_WIDTH (PRINT_TIMESTAMP_WIDTH + PRINT_TIME_UNIT_SEC_WIDTH)
+
+struct sort_dimension {
+ const char *name;
+ int (*cmp)(struct kwork_work *l, struct kwork_work *r);
+ struct list_head list;
+};
+
+static int id_cmp(struct kwork_work *l, struct kwork_work *r)
+{
+ if (l->cpu > r->cpu)
+ return 1;
+ if (l->cpu < r->cpu)
+ return -1;
+
+ if (l->id > r->id)
+ return 1;
+ if (l->id < r->id)
+ return -1;
+
+ return 0;
+}
+
+static int count_cmp(struct kwork_work *l, struct kwork_work *r)
+{
+ if (l->nr_atoms > r->nr_atoms)
+ return 1;
+ if (l->nr_atoms < r->nr_atoms)
+ return -1;
+
+ return 0;
+}
+
+static int runtime_cmp(struct kwork_work *l, struct kwork_work *r)
+{
+ if (l->total_runtime > r->total_runtime)
+ return 1;
+ if (l->total_runtime < r->total_runtime)
+ return -1;
+
+ return 0;
+}
+
+static int max_runtime_cmp(struct kwork_work *l, struct kwork_work *r)
+{
+ if (l->max_runtime > r->max_runtime)
+ return 1;
+ if (l->max_runtime < r->max_runtime)
+ return -1;
+
+ return 0;
+}
+
+static int avg_latency_cmp(struct kwork_work *l, struct kwork_work *r)
+{
+ u64 avgl, avgr;
+
+ if (!r->nr_atoms)
+ return 1;
+ if (!l->nr_atoms)
+ return -1;
+
+ avgl = l->total_latency / l->nr_atoms;
+ avgr = r->total_latency / r->nr_atoms;
+
+ if (avgl > avgr)
+ return 1;
+ if (avgl < avgr)
+ return -1;
+
+ return 0;
+}
+
+static int max_latency_cmp(struct kwork_work *l, struct kwork_work *r)
+{
+ if (l->max_latency > r->max_latency)
+ return 1;
+ if (l->max_latency < r->max_latency)
+ return -1;
+
+ return 0;
+}
+
+static int cpu_usage_cmp(struct kwork_work *l, struct kwork_work *r)
+{
+ if (l->cpu_usage > r->cpu_usage)
+ return 1;
+ if (l->cpu_usage < r->cpu_usage)
+ return -1;
+
+ return 0;
+}
+
+static int id_or_cpu_r_cmp(struct kwork_work *l, struct kwork_work *r)
+{
+ if (l->id < r->id)
+ return 1;
+ if (l->id > r->id)
+ return -1;
+
+ if (l->id != 0)
+ return 0;
+
+ if (l->cpu < r->cpu)
+ return 1;
+ if (l->cpu > r->cpu)
+ return -1;
+
+ return 0;
+}
+
+static int sort_dimension__add(struct perf_kwork *kwork __maybe_unused,
+ const char *tok, struct list_head *list)
+{
+ size_t i;
+ static struct sort_dimension max_sort_dimension = {
+ .name = "max",
+ .cmp = max_runtime_cmp,
+ };
+ static struct sort_dimension id_sort_dimension = {
+ .name = "id",
+ .cmp = id_cmp,
+ };
+ static struct sort_dimension runtime_sort_dimension = {
+ .name = "runtime",
+ .cmp = runtime_cmp,
+ };
+ static struct sort_dimension count_sort_dimension = {
+ .name = "count",
+ .cmp = count_cmp,
+ };
+ static struct sort_dimension avg_sort_dimension = {
+ .name = "avg",
+ .cmp = avg_latency_cmp,
+ };
+ static struct sort_dimension rate_sort_dimension = {
+ .name = "rate",
+ .cmp = cpu_usage_cmp,
+ };
+ static struct sort_dimension tid_sort_dimension = {
+ .name = "tid",
+ .cmp = id_or_cpu_r_cmp,
+ };
+ struct sort_dimension *available_sorts[] = {
+ &id_sort_dimension,
+ &max_sort_dimension,
+ &count_sort_dimension,
+ &runtime_sort_dimension,
+ &avg_sort_dimension,
+ &rate_sort_dimension,
+ &tid_sort_dimension,
+ };
+
+ if (kwork->report == KWORK_REPORT_LATENCY)
+ max_sort_dimension.cmp = max_latency_cmp;
+
+ for (i = 0; i < ARRAY_SIZE(available_sorts); i++) {
+ if (!strcmp(available_sorts[i]->name, tok)) {
+ list_add_tail(&available_sorts[i]->list, list);
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+static void setup_sorting(struct perf_kwork *kwork,
+ const struct option *options,
+ const char * const usage_msg[])
+{
+ char *tmp, *tok, *str = strdup(kwork->sort_order);
+
+ for (tok = strtok_r(str, ", ", &tmp);
+ tok; tok = strtok_r(NULL, ", ", &tmp)) {
+ if (sort_dimension__add(kwork, tok, &kwork->sort_list) < 0)
+ usage_with_options_msg(usage_msg, options,
+ "Unknown --sort key: `%s'", tok);
+ }
+
+ pr_debug("Sort order: %s\n", kwork->sort_order);
+ free(str);
+}
+
+static struct kwork_atom *atom_new(struct perf_kwork *kwork,
+ struct perf_sample *sample)
+{
+ unsigned long i;
+ struct kwork_atom_page *page;
+ struct kwork_atom *atom = NULL;
+
+ list_for_each_entry(page, &kwork->atom_page_list, list) {
+ if (!bitmap_full(page->bitmap, NR_ATOM_PER_PAGE)) {
+ i = find_first_zero_bit(page->bitmap, NR_ATOM_PER_PAGE);
+ BUG_ON(i >= NR_ATOM_PER_PAGE);
+ atom = &page->atoms[i];
+ goto found_atom;
+ }
+ }
+
+ /*
+ * new page
+ */
+ page = zalloc(sizeof(*page));
+ if (page == NULL) {
+ pr_err("Failed to zalloc kwork atom page\n");
+ return NULL;
+ }
+
+ i = 0;
+ atom = &page->atoms[0];
+ list_add_tail(&page->list, &kwork->atom_page_list);
+
+found_atom:
+ __set_bit(i, page->bitmap);
+ atom->time = sample->time;
+ atom->prev = NULL;
+ atom->page_addr = page;
+ atom->bit_inpage = i;
+ return atom;
+}
+
+static void atom_free(struct kwork_atom *atom)
+{
+ if (atom->prev != NULL)
+ atom_free(atom->prev);
+
+ __clear_bit(atom->bit_inpage,
+ ((struct kwork_atom_page *)atom->page_addr)->bitmap);
+}
+
+static void atom_del(struct kwork_atom *atom)
+{
+ list_del(&atom->list);
+ atom_free(atom);
+}
+
+static int work_cmp(struct list_head *list,
+ struct kwork_work *l, struct kwork_work *r)
+{
+ int ret = 0;
+ struct sort_dimension *sort;
+
+ BUG_ON(list_empty(list));
+
+ list_for_each_entry(sort, list, list) {
+ ret = sort->cmp(l, r);
+ if (ret)
+ return ret;
+ }
+
+ return ret;
+}
+
+static struct kwork_work *work_search(struct rb_root_cached *root,
+ struct kwork_work *key,
+ struct list_head *sort_list)
+{
+ int cmp;
+ struct kwork_work *work;
+ struct rb_node *node = root->rb_root.rb_node;
+
+ while (node) {
+ work = container_of(node, struct kwork_work, node);
+ cmp = work_cmp(sort_list, key, work);
+ if (cmp > 0)
+ node = node->rb_left;
+ else if (cmp < 0)
+ node = node->rb_right;
+ else {
+ if (work->name == NULL)
+ work->name = key->name;
+ return work;
+ }
+ }
+ return NULL;
+}
+
+static void work_insert(struct rb_root_cached *root,
+ struct kwork_work *key, struct list_head *sort_list)
+{
+ int cmp;
+ bool leftmost = true;
+ struct kwork_work *cur;
+ struct rb_node **new = &(root->rb_root.rb_node), *parent = NULL;
+
+ while (*new) {
+ cur = container_of(*new, struct kwork_work, node);
+ parent = *new;
+ cmp = work_cmp(sort_list, key, cur);
+
+ if (cmp > 0)
+ new = &((*new)->rb_left);
+ else {
+ new = &((*new)->rb_right);
+ leftmost = false;
+ }
+ }
+
+ rb_link_node(&key->node, parent, new);
+ rb_insert_color_cached(&key->node, root, leftmost);
+}
+
+static struct kwork_work *work_new(struct kwork_work *key)
+{
+ int i;
+ struct kwork_work *work = zalloc(sizeof(*work));
+
+ if (work == NULL) {
+ pr_err("Failed to zalloc kwork work\n");
+ return NULL;
+ }
+
+ for (i = 0; i < KWORK_TRACE_MAX; i++)
+ INIT_LIST_HEAD(&work->atom_list[i]);
+
+ work->id = key->id;
+ work->cpu = key->cpu;
+ work->name = key->name;
+ work->class = key->class;
+ return work;
+}
+
+static struct kwork_work *work_findnew(struct rb_root_cached *root,
+ struct kwork_work *key,
+ struct list_head *sort_list)
+{
+ struct kwork_work *work = work_search(root, key, sort_list);
+
+ if (work != NULL)
+ return work;
+
+ work = work_new(key);
+ if (work)
+ work_insert(root, work, sort_list);
+
+ return work;
+}
+
+static void profile_update_timespan(struct perf_kwork *kwork,
+ struct perf_sample *sample)
+{
+ if (!kwork->summary)
+ return;
+
+ if ((kwork->timestart == 0) || (kwork->timestart > sample->time))
+ kwork->timestart = sample->time;
+
+ if (kwork->timeend < sample->time)
+ kwork->timeend = sample->time;
+}
+
+static bool profile_name_match(struct perf_kwork *kwork,
+ struct kwork_work *work)
+{
+ if (kwork->profile_name && work->name &&
+ (strcmp(work->name, kwork->profile_name) != 0)) {
+ return false;
+ }
+
+ return true;
+}
+
+static bool profile_event_match(struct perf_kwork *kwork,
+ struct kwork_work *work,
+ struct perf_sample *sample)
+{
+ int cpu = work->cpu;
+ u64 time = sample->time;
+ struct perf_time_interval *ptime = &kwork->ptime;
+
+ if ((kwork->cpu_list != NULL) && !test_bit(cpu, kwork->cpu_bitmap))
+ return false;
+
+ if (((ptime->start != 0) && (ptime->start > time)) ||
+ ((ptime->end != 0) && (ptime->end < time)))
+ return false;
+
+ /*
+ * report top needs to collect the runtime of all tasks to
+ * calculate the load of each core.
+ */
+ if ((kwork->report != KWORK_REPORT_TOP) &&
+ !profile_name_match(kwork, work)) {
+ return false;
+ }
+
+ profile_update_timespan(kwork, sample);
+ return true;
+}
+
+static int work_push_atom(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ enum kwork_trace_type src_type,
+ enum kwork_trace_type dst_type,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine,
+ struct kwork_work **ret_work,
+ bool overwrite)
+{
+ struct kwork_atom *atom, *dst_atom, *last_atom;
+ struct kwork_work *work, key;
+
+ BUG_ON(class->work_init == NULL);
+ class->work_init(kwork, class, &key, src_type, evsel, sample, machine);
+
+ atom = atom_new(kwork, sample);
+ if (atom == NULL)
+ return -1;
+
+ work = work_findnew(&class->work_root, &key, &kwork->cmp_id);
+ if (work == NULL) {
+ atom_free(atom);
+ return -1;
+ }
+
+ if (!profile_event_match(kwork, work, sample)) {
+ atom_free(atom);
+ return 0;
+ }
+
+ if (dst_type < KWORK_TRACE_MAX) {
+ dst_atom = list_last_entry_or_null(&work->atom_list[dst_type],
+ struct kwork_atom, list);
+ if (dst_atom != NULL) {
+ atom->prev = dst_atom;
+ list_del(&dst_atom->list);
+ }
+ }
+
+ if (ret_work != NULL)
+ *ret_work = work;
+
+ if (overwrite) {
+ last_atom = list_last_entry_or_null(&work->atom_list[src_type],
+ struct kwork_atom, list);
+ if (last_atom) {
+ atom_del(last_atom);
+
+ kwork->nr_skipped_events[src_type]++;
+ kwork->nr_skipped_events[KWORK_TRACE_MAX]++;
+ }
+ }
+
+ list_add_tail(&atom->list, &work->atom_list[src_type]);
+
+ return 0;
+}
+
+static struct kwork_atom *work_pop_atom(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ enum kwork_trace_type src_type,
+ enum kwork_trace_type dst_type,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine,
+ struct kwork_work **ret_work)
+{
+ struct kwork_atom *atom, *src_atom;
+ struct kwork_work *work, key;
+
+ BUG_ON(class->work_init == NULL);
+ class->work_init(kwork, class, &key, src_type, evsel, sample, machine);
+
+ work = work_findnew(&class->work_root, &key, &kwork->cmp_id);
+ if (ret_work != NULL)
+ *ret_work = work;
+
+ if (work == NULL)
+ return NULL;
+
+ if (!profile_event_match(kwork, work, sample))
+ return NULL;
+
+ atom = list_last_entry_or_null(&work->atom_list[dst_type],
+ struct kwork_atom, list);
+ if (atom != NULL)
+ return atom;
+
+ src_atom = atom_new(kwork, sample);
+ if (src_atom != NULL)
+ list_add_tail(&src_atom->list, &work->atom_list[src_type]);
+ else {
+ if (ret_work != NULL)
+ *ret_work = NULL;
+ }
+
+ return NULL;
+}
+
+static struct kwork_work *find_work_by_id(struct rb_root_cached *root,
+ u64 id, int cpu)
+{
+ struct rb_node *next;
+ struct kwork_work *work;
+
+ next = rb_first_cached(root);
+ while (next) {
+ work = rb_entry(next, struct kwork_work, node);
+ if ((cpu != -1 && work->id == id && work->cpu == cpu) ||
+ (cpu == -1 && work->id == id))
+ return work;
+
+ next = rb_next(next);
+ }
+
+ return NULL;
+}
+
+static struct kwork_class *get_kwork_class(struct perf_kwork *kwork,
+ enum kwork_class_type type)
+{
+ struct kwork_class *class;
+
+ list_for_each_entry(class, &kwork->class_list, list) {
+ if (class->type == type)
+ return class;
+ }
+
+ return NULL;
+}
+
+static void report_update_exit_event(struct kwork_work *work,
+ struct kwork_atom *atom,
+ struct perf_sample *sample)
+{
+ u64 delta;
+ u64 exit_time = sample->time;
+ u64 entry_time = atom->time;
+
+ if ((entry_time != 0) && (exit_time >= entry_time)) {
+ delta = exit_time - entry_time;
+ if ((delta > work->max_runtime) ||
+ (work->max_runtime == 0)) {
+ work->max_runtime = delta;
+ work->max_runtime_start = entry_time;
+ work->max_runtime_end = exit_time;
+ }
+ work->total_runtime += delta;
+ work->nr_atoms++;
+ }
+}
+
+static int report_entry_event(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ return work_push_atom(kwork, class, KWORK_TRACE_ENTRY,
+ KWORK_TRACE_MAX, evsel, sample,
+ machine, NULL, true);
+}
+
+static int report_exit_event(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct kwork_atom *atom = NULL;
+ struct kwork_work *work = NULL;
+
+ atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT,
+ KWORK_TRACE_ENTRY, evsel, sample,
+ machine, &work);
+ if (work == NULL)
+ return -1;
+
+ if (atom != NULL) {
+ report_update_exit_event(work, atom, sample);
+ atom_del(atom);
+ }
+
+ return 0;
+}
+
+static void latency_update_entry_event(struct kwork_work *work,
+ struct kwork_atom *atom,
+ struct perf_sample *sample)
+{
+ u64 delta;
+ u64 entry_time = sample->time;
+ u64 raise_time = atom->time;
+
+ if ((raise_time != 0) && (entry_time >= raise_time)) {
+ delta = entry_time - raise_time;
+ if ((delta > work->max_latency) ||
+ (work->max_latency == 0)) {
+ work->max_latency = delta;
+ work->max_latency_start = raise_time;
+ work->max_latency_end = entry_time;
+ }
+ work->total_latency += delta;
+ work->nr_atoms++;
+ }
+}
+
+static int latency_raise_event(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ return work_push_atom(kwork, class, KWORK_TRACE_RAISE,
+ KWORK_TRACE_MAX, evsel, sample,
+ machine, NULL, true);
+}
+
+static int latency_entry_event(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct kwork_atom *atom = NULL;
+ struct kwork_work *work = NULL;
+
+ atom = work_pop_atom(kwork, class, KWORK_TRACE_ENTRY,
+ KWORK_TRACE_RAISE, evsel, sample,
+ machine, &work);
+ if (work == NULL)
+ return -1;
+
+ if (atom != NULL) {
+ latency_update_entry_event(work, atom, sample);
+ atom_del(atom);
+ }
+
+ return 0;
+}
+
+static void timehist_save_callchain(struct perf_kwork *kwork,
+ struct perf_sample *sample,
+ struct evsel *evsel,
+ struct machine *machine)
+{
+ struct symbol *sym;
+ struct thread *thread;
+ struct callchain_cursor_node *node;
+ struct callchain_cursor *cursor;
+
+ if (!kwork->show_callchain || sample->callchain == NULL)
+ return;
+
+ /* want main thread for process - has maps */
+ thread = machine__findnew_thread(machine, sample->pid, sample->pid);
+ if (thread == NULL) {
+ pr_debug("Failed to get thread for pid %d\n", sample->pid);
+ return;
+ }
+
+ cursor = get_tls_callchain_cursor();
+
+ if (thread__resolve_callchain(thread, cursor, evsel, sample,
+ NULL, NULL, kwork->max_stack + 2) != 0) {
+ pr_debug("Failed to resolve callchain, skipping\n");
+ goto out_put;
+ }
+
+ callchain_cursor_commit(cursor);
+
+ while (true) {
+ node = callchain_cursor_current(cursor);
+ if (node == NULL)
+ break;
+
+ sym = node->ms.sym;
+ if (sym) {
+ if (!strcmp(sym->name, "__softirqentry_text_start") ||
+ !strcmp(sym->name, "__do_softirq"))
+ sym->ignore = 1;
+ }
+
+ callchain_cursor_advance(cursor);
+ }
+
+out_put:
+ thread__put(thread);
+}
+
+static void timehist_print_event(struct perf_kwork *kwork,
+ struct kwork_work *work,
+ struct kwork_atom *atom,
+ struct perf_sample *sample,
+ struct addr_location *al)
+{
+ char entrytime[32], exittime[32];
+ char kwork_name[PRINT_KWORK_NAME_WIDTH];
+
+ /*
+ * runtime start
+ */
+ timestamp__scnprintf_usec(atom->time,
+ entrytime, sizeof(entrytime));
+ printf(" %*s ", PRINT_TIMESTAMP_WIDTH, entrytime);
+
+ /*
+ * runtime end
+ */
+ timestamp__scnprintf_usec(sample->time,
+ exittime, sizeof(exittime));
+ printf(" %*s ", PRINT_TIMESTAMP_WIDTH, exittime);
+
+ /*
+ * cpu
+ */
+ printf(" [%0*d] ", PRINT_CPU_WIDTH, work->cpu);
+
+ /*
+ * kwork name
+ */
+ if (work->class && work->class->work_name) {
+ work->class->work_name(work, kwork_name,
+ PRINT_KWORK_NAME_WIDTH);
+ printf(" %-*s ", PRINT_KWORK_NAME_WIDTH, kwork_name);
+ } else
+ printf(" %-*s ", PRINT_KWORK_NAME_WIDTH, "");
+
+ /*
+ *runtime
+ */
+ printf(" %*.*f ",
+ PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH,
+ (double)(sample->time - atom->time) / NSEC_PER_MSEC);
+
+ /*
+ * delaytime
+ */
+ if (atom->prev != NULL)
+ printf(" %*.*f ", PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH,
+ (double)(atom->time - atom->prev->time) / NSEC_PER_MSEC);
+ else
+ printf(" %*s ", PRINT_LATENCY_WIDTH, " ");
+
+ /*
+ * callchain
+ */
+ if (kwork->show_callchain) {
+ struct callchain_cursor *cursor = get_tls_callchain_cursor();
+
+ if (cursor == NULL)
+ return;
+
+ printf(" ");
+
+ sample__fprintf_sym(sample, al, 0,
+ EVSEL__PRINT_SYM | EVSEL__PRINT_ONELINE |
+ EVSEL__PRINT_CALLCHAIN_ARROW |
+ EVSEL__PRINT_SKIP_IGNORED,
+ cursor, symbol_conf.bt_stop_list,
+ stdout);
+ }
+
+ printf("\n");
+}
+
+static int timehist_raise_event(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ return work_push_atom(kwork, class, KWORK_TRACE_RAISE,
+ KWORK_TRACE_MAX, evsel, sample,
+ machine, NULL, true);
+}
+
+static int timehist_entry_event(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ int ret;
+ struct kwork_work *work = NULL;
+
+ ret = work_push_atom(kwork, class, KWORK_TRACE_ENTRY,
+ KWORK_TRACE_RAISE, evsel, sample,
+ machine, &work, true);
+ if (ret)
+ return ret;
+
+ if (work != NULL)
+ timehist_save_callchain(kwork, sample, evsel, machine);
+
+ return 0;
+}
+
+static int timehist_exit_event(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct kwork_atom *atom = NULL;
+ struct kwork_work *work = NULL;
+ struct addr_location al;
+ int ret = 0;
+
+ addr_location__init(&al);
+ if (machine__resolve(machine, &al, sample) < 0) {
+ pr_debug("Problem processing event, skipping it\n");
+ ret = -1;
+ goto out;
+ }
+
+ atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT,
+ KWORK_TRACE_ENTRY, evsel, sample,
+ machine, &work);
+ if (work == NULL) {
+ ret = -1;
+ goto out;
+ }
+
+ if (atom != NULL) {
+ work->nr_atoms++;
+ timehist_print_event(kwork, work, atom, sample, &al);
+ atom_del(atom);
+ }
+
+out:
+ addr_location__exit(&al);
+ return ret;
+}
+
+static void top_update_runtime(struct kwork_work *work,
+ struct kwork_atom *atom,
+ struct perf_sample *sample)
+{
+ u64 delta;
+ u64 exit_time = sample->time;
+ u64 entry_time = atom->time;
+
+ if ((entry_time != 0) && (exit_time >= entry_time)) {
+ delta = exit_time - entry_time;
+ work->total_runtime += delta;
+ }
+}
+
+static int top_entry_event(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ return work_push_atom(kwork, class, KWORK_TRACE_ENTRY,
+ KWORK_TRACE_MAX, evsel, sample,
+ machine, NULL, true);
+}
+
+static int top_exit_event(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct kwork_work *work, *sched_work;
+ struct kwork_class *sched_class;
+ struct kwork_atom *atom;
+
+ atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT,
+ KWORK_TRACE_ENTRY, evsel, sample,
+ machine, &work);
+ if (!work)
+ return -1;
+
+ if (atom) {
+ sched_class = get_kwork_class(kwork, KWORK_CLASS_SCHED);
+ if (sched_class) {
+ sched_work = find_work_by_id(&sched_class->work_root,
+ work->id, work->cpu);
+ if (sched_work)
+ top_update_runtime(work, atom, sample);
+ }
+ atom_del(atom);
+ }
+
+ return 0;
+}
+
+static int top_sched_switch_event(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct kwork_atom *atom;
+ struct kwork_work *work;
+
+ atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT,
+ KWORK_TRACE_ENTRY, evsel, sample,
+ machine, &work);
+ if (!work)
+ return -1;
+
+ if (atom) {
+ top_update_runtime(work, atom, sample);
+ atom_del(atom);
+ }
+
+ return top_entry_event(kwork, class, evsel, sample, machine);
+}
+
+static struct kwork_class kwork_irq;
+static int process_irq_handler_entry_event(const struct perf_tool *tool,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool);
+
+ if (kwork->tp_handler->entry_event)
+ return kwork->tp_handler->entry_event(kwork, &kwork_irq,
+ evsel, sample, machine);
+ return 0;
+}
+
+static int process_irq_handler_exit_event(const struct perf_tool *tool,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool);
+
+ if (kwork->tp_handler->exit_event)
+ return kwork->tp_handler->exit_event(kwork, &kwork_irq,
+ evsel, sample, machine);
+ return 0;
+}
+
+const struct evsel_str_handler irq_tp_handlers[] = {
+ { "irq:irq_handler_entry", process_irq_handler_entry_event, },
+ { "irq:irq_handler_exit", process_irq_handler_exit_event, },
+};
+
+static int irq_class_init(struct kwork_class *class,
+ struct perf_session *session)
+{
+ if (perf_session__set_tracepoints_handlers(session, irq_tp_handlers)) {
+ pr_err("Failed to set irq tracepoints handlers\n");
+ return -1;
+ }
+
+ class->work_root = RB_ROOT_CACHED;
+ return 0;
+}
+
+static void irq_work_init(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct kwork_work *work,
+ enum kwork_trace_type src_type __maybe_unused,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine __maybe_unused)
+{
+ work->class = class;
+ work->cpu = sample->cpu;
+
+ if (kwork->report == KWORK_REPORT_TOP) {
+ work->id = evsel__intval_common(evsel, sample, "common_pid");
+ work->name = NULL;
+ } else {
+ work->id = evsel__intval(evsel, sample, "irq");
+ work->name = evsel__strval(evsel, sample, "name");
+ }
+}
+
+static void irq_work_name(struct kwork_work *work, char *buf, int len)
+{
+ snprintf(buf, len, "%s:%" PRIu64 "", work->name, work->id);
+}
+
+static struct kwork_class kwork_irq = {
+ .name = "irq",
+ .type = KWORK_CLASS_IRQ,
+ .nr_tracepoints = 2,
+ .tp_handlers = irq_tp_handlers,
+ .class_init = irq_class_init,
+ .work_init = irq_work_init,
+ .work_name = irq_work_name,
+};
+
+static struct kwork_class kwork_softirq;
+static int process_softirq_raise_event(const struct perf_tool *tool,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool);
+
+ if (kwork->tp_handler->raise_event)
+ return kwork->tp_handler->raise_event(kwork, &kwork_softirq,
+ evsel, sample, machine);
+
+ return 0;
+}
+
+static int process_softirq_entry_event(const struct perf_tool *tool,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool);
+
+ if (kwork->tp_handler->entry_event)
+ return kwork->tp_handler->entry_event(kwork, &kwork_softirq,
+ evsel, sample, machine);
+
+ return 0;
+}
+
+static int process_softirq_exit_event(const struct perf_tool *tool,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool);
+
+ if (kwork->tp_handler->exit_event)
+ return kwork->tp_handler->exit_event(kwork, &kwork_softirq,
+ evsel, sample, machine);
+
+ return 0;
+}
+
+const struct evsel_str_handler softirq_tp_handlers[] = {
+ { "irq:softirq_raise", process_softirq_raise_event, },
+ { "irq:softirq_entry", process_softirq_entry_event, },
+ { "irq:softirq_exit", process_softirq_exit_event, },
+};
+
+static int softirq_class_init(struct kwork_class *class,
+ struct perf_session *session)
+{
+ if (perf_session__set_tracepoints_handlers(session,
+ softirq_tp_handlers)) {
+ pr_err("Failed to set softirq tracepoints handlers\n");
+ return -1;
+ }
+
+ class->work_root = RB_ROOT_CACHED;
+ return 0;
+}
+
+static char *evsel__softirq_name(struct evsel *evsel, u64 num)
+{
+ char *name = NULL;
+ bool found = false;
+ struct tep_print_flag_sym *sym = NULL;
+ const struct tep_event *tp_format = evsel__tp_format(evsel);
+ struct tep_print_arg *args = tp_format ? tp_format->print_fmt.args : NULL;
+
+ if ((args == NULL) || (args->next == NULL))
+ return NULL;
+
+ /* skip softirq field: "REC->vec" */
+ for (sym = args->next->symbol.symbols; sym != NULL; sym = sym->next) {
+ if ((eval_flag(sym->value) == (unsigned long long)num) &&
+ (strlen(sym->str) != 0)) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ return NULL;
+
+ name = strdup(sym->str);
+ if (name == NULL) {
+ pr_err("Failed to copy symbol name\n");
+ return NULL;
+ }
+ return name;
+}
+
+static void softirq_work_init(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct kwork_work *work,
+ enum kwork_trace_type src_type __maybe_unused,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine __maybe_unused)
+{
+ u64 num;
+
+ work->class = class;
+ work->cpu = sample->cpu;
+
+ if (kwork->report == KWORK_REPORT_TOP) {
+ work->id = evsel__intval_common(evsel, sample, "common_pid");
+ work->name = NULL;
+ } else {
+ num = evsel__intval(evsel, sample, "vec");
+ work->id = num;
+ work->name = evsel__softirq_name(evsel, num);
+ }
+}
+
+static void softirq_work_name(struct kwork_work *work, char *buf, int len)
+{
+ snprintf(buf, len, "(s)%s:%" PRIu64 "", work->name, work->id);
+}
+
+static struct kwork_class kwork_softirq = {
+ .name = "softirq",
+ .type = KWORK_CLASS_SOFTIRQ,
+ .nr_tracepoints = 3,
+ .tp_handlers = softirq_tp_handlers,
+ .class_init = softirq_class_init,
+ .work_init = softirq_work_init,
+ .work_name = softirq_work_name,
+};
+
+static struct kwork_class kwork_workqueue;
+static int process_workqueue_activate_work_event(const struct perf_tool *tool,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool);
+
+ if (kwork->tp_handler->raise_event)
+ return kwork->tp_handler->raise_event(kwork, &kwork_workqueue,
+ evsel, sample, machine);
+
+ return 0;
+}
+
+static int process_workqueue_execute_start_event(const struct perf_tool *tool,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool);
+
+ if (kwork->tp_handler->entry_event)
+ return kwork->tp_handler->entry_event(kwork, &kwork_workqueue,
+ evsel, sample, machine);
+
+ return 0;
+}
+
+static int process_workqueue_execute_end_event(const struct perf_tool *tool,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool);
+
+ if (kwork->tp_handler->exit_event)
+ return kwork->tp_handler->exit_event(kwork, &kwork_workqueue,
+ evsel, sample, machine);
+
+ return 0;
+}
+
+const struct evsel_str_handler workqueue_tp_handlers[] = {
+ { "workqueue:workqueue_activate_work", process_workqueue_activate_work_event, },
+ { "workqueue:workqueue_execute_start", process_workqueue_execute_start_event, },
+ { "workqueue:workqueue_execute_end", process_workqueue_execute_end_event, },
+};
+
+static int workqueue_class_init(struct kwork_class *class,
+ struct perf_session *session)
+{
+ if (perf_session__set_tracepoints_handlers(session,
+ workqueue_tp_handlers)) {
+ pr_err("Failed to set workqueue tracepoints handlers\n");
+ return -1;
+ }
+
+ class->work_root = RB_ROOT_CACHED;
+ return 0;
+}
+
+static void workqueue_work_init(struct perf_kwork *kwork __maybe_unused,
+ struct kwork_class *class,
+ struct kwork_work *work,
+ enum kwork_trace_type src_type __maybe_unused,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ char *modp = NULL;
+ unsigned long long function_addr = evsel__intval(evsel,
+ sample, "function");
+
+ work->class = class;
+ work->cpu = sample->cpu;
+ work->id = evsel__intval(evsel, sample, "work");
+ work->name = function_addr == 0 ? NULL :
+ machine__resolve_kernel_addr(machine, &function_addr, &modp);
+}
+
+static void workqueue_work_name(struct kwork_work *work, char *buf, int len)
+{
+ if (work->name != NULL)
+ snprintf(buf, len, "(w)%s", work->name);
+ else
+ snprintf(buf, len, "(w)0x%" PRIx64, work->id);
+}
+
+static struct kwork_class kwork_workqueue = {
+ .name = "workqueue",
+ .type = KWORK_CLASS_WORKQUEUE,
+ .nr_tracepoints = 3,
+ .tp_handlers = workqueue_tp_handlers,
+ .class_init = workqueue_class_init,
+ .work_init = workqueue_work_init,
+ .work_name = workqueue_work_name,
+};
+
+static struct kwork_class kwork_sched;
+static int process_sched_switch_event(const struct perf_tool *tool,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct perf_kwork *kwork = container_of(tool, struct perf_kwork, tool);
+
+ if (kwork->tp_handler->sched_switch_event)
+ return kwork->tp_handler->sched_switch_event(kwork, &kwork_sched,
+ evsel, sample, machine);
+ return 0;
+}
+
+const struct evsel_str_handler sched_tp_handlers[] = {
+ { "sched:sched_switch", process_sched_switch_event, },
+};
+
+static int sched_class_init(struct kwork_class *class,
+ struct perf_session *session)
+{
+ if (perf_session__set_tracepoints_handlers(session,
+ sched_tp_handlers)) {
+ pr_err("Failed to set sched tracepoints handlers\n");
+ return -1;
+ }
+
+ class->work_root = RB_ROOT_CACHED;
+ return 0;
+}
+
+static void sched_work_init(struct perf_kwork *kwork __maybe_unused,
+ struct kwork_class *class,
+ struct kwork_work *work,
+ enum kwork_trace_type src_type,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine __maybe_unused)
+{
+ work->class = class;
+ work->cpu = sample->cpu;
+
+ if (src_type == KWORK_TRACE_EXIT) {
+ work->id = evsel__intval(evsel, sample, "prev_pid");
+ work->name = strdup(evsel__strval(evsel, sample, "prev_comm"));
+ } else if (src_type == KWORK_TRACE_ENTRY) {
+ work->id = evsel__intval(evsel, sample, "next_pid");
+ work->name = strdup(evsel__strval(evsel, sample, "next_comm"));
+ }
+}
+
+static void sched_work_name(struct kwork_work *work, char *buf, int len)
+{
+ snprintf(buf, len, "%s", work->name);
+}
+
+static struct kwork_class kwork_sched = {
+ .name = "sched",
+ .type = KWORK_CLASS_SCHED,
+ .nr_tracepoints = ARRAY_SIZE(sched_tp_handlers),
+ .tp_handlers = sched_tp_handlers,
+ .class_init = sched_class_init,
+ .work_init = sched_work_init,
+ .work_name = sched_work_name,
+};
+
+static struct kwork_class *kwork_class_supported_list[KWORK_CLASS_MAX] = {
+ [KWORK_CLASS_IRQ] = &kwork_irq,
+ [KWORK_CLASS_SOFTIRQ] = &kwork_softirq,
+ [KWORK_CLASS_WORKQUEUE] = &kwork_workqueue,
+ [KWORK_CLASS_SCHED] = &kwork_sched,
+};
+
+static void print_separator(int len)
+{
+ printf(" %.*s\n", len, graph_dotted_line);
+}
+
+static int report_print_work(struct perf_kwork *kwork, struct kwork_work *work)
+{
+ int ret = 0;
+ char kwork_name[PRINT_KWORK_NAME_WIDTH];
+ char max_runtime_start[32], max_runtime_end[32];
+ char max_latency_start[32], max_latency_end[32];
+
+ printf(" ");
+
+ /*
+ * kwork name
+ */
+ if (work->class && work->class->work_name) {
+ work->class->work_name(work, kwork_name,
+ PRINT_KWORK_NAME_WIDTH);
+ ret += printf(" %-*s |", PRINT_KWORK_NAME_WIDTH, kwork_name);
+ } else {
+ ret += printf(" %-*s |", PRINT_KWORK_NAME_WIDTH, "");
+ }
+
+ /*
+ * cpu
+ */
+ ret += printf(" %0*d |", PRINT_CPU_WIDTH, work->cpu);
+
+ /*
+ * total runtime
+ */
+ if (kwork->report == KWORK_REPORT_RUNTIME) {
+ ret += printf(" %*.*f ms |",
+ PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH,
+ (double)work->total_runtime / NSEC_PER_MSEC);
+ } else if (kwork->report == KWORK_REPORT_LATENCY) { // avg delay
+ ret += printf(" %*.*f ms |",
+ PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH,
+ (double)work->total_latency /
+ work->nr_atoms / NSEC_PER_MSEC);
+ }
+
+ /*
+ * count
+ */
+ ret += printf(" %*" PRIu64 " |", PRINT_COUNT_WIDTH, work->nr_atoms);
+
+ /*
+ * max runtime, max runtime start, max runtime end
+ */
+ if (kwork->report == KWORK_REPORT_RUNTIME) {
+ timestamp__scnprintf_usec(work->max_runtime_start,
+ max_runtime_start,
+ sizeof(max_runtime_start));
+ timestamp__scnprintf_usec(work->max_runtime_end,
+ max_runtime_end,
+ sizeof(max_runtime_end));
+ ret += printf(" %*.*f ms | %*s s | %*s s |",
+ PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH,
+ (double)work->max_runtime / NSEC_PER_MSEC,
+ PRINT_TIMESTAMP_WIDTH, max_runtime_start,
+ PRINT_TIMESTAMP_WIDTH, max_runtime_end);
+ }
+ /*
+ * max delay, max delay start, max delay end
+ */
+ else if (kwork->report == KWORK_REPORT_LATENCY) {
+ timestamp__scnprintf_usec(work->max_latency_start,
+ max_latency_start,
+ sizeof(max_latency_start));
+ timestamp__scnprintf_usec(work->max_latency_end,
+ max_latency_end,
+ sizeof(max_latency_end));
+ ret += printf(" %*.*f ms | %*s s | %*s s |",
+ PRINT_LATENCY_WIDTH, RPINT_DECIMAL_WIDTH,
+ (double)work->max_latency / NSEC_PER_MSEC,
+ PRINT_TIMESTAMP_WIDTH, max_latency_start,
+ PRINT_TIMESTAMP_WIDTH, max_latency_end);
+ }
+
+ printf("\n");
+ return ret;
+}
+
+static int report_print_header(struct perf_kwork *kwork)
+{
+ int ret;
+
+ printf("\n ");
+ ret = printf(" %-*s | %-*s |",
+ PRINT_KWORK_NAME_WIDTH, "Kwork Name",
+ PRINT_CPU_WIDTH, "Cpu");
+
+ if (kwork->report == KWORK_REPORT_RUNTIME) {
+ ret += printf(" %-*s |",
+ PRINT_RUNTIME_HEADER_WIDTH, "Total Runtime");
+ } else if (kwork->report == KWORK_REPORT_LATENCY) {
+ ret += printf(" %-*s |",
+ PRINT_LATENCY_HEADER_WIDTH, "Avg delay");
+ }
+
+ ret += printf(" %-*s |", PRINT_COUNT_WIDTH, "Count");
+
+ if (kwork->report == KWORK_REPORT_RUNTIME) {
+ ret += printf(" %-*s | %-*s | %-*s |",
+ PRINT_RUNTIME_HEADER_WIDTH, "Max runtime",
+ PRINT_TIMESTAMP_HEADER_WIDTH, "Max runtime start",
+ PRINT_TIMESTAMP_HEADER_WIDTH, "Max runtime end");
+ } else if (kwork->report == KWORK_REPORT_LATENCY) {
+ ret += printf(" %-*s | %-*s | %-*s |",
+ PRINT_LATENCY_HEADER_WIDTH, "Max delay",
+ PRINT_TIMESTAMP_HEADER_WIDTH, "Max delay start",
+ PRINT_TIMESTAMP_HEADER_WIDTH, "Max delay end");
+ }
+
+ printf("\n");
+ print_separator(ret);
+ return ret;
+}
+
+static void timehist_print_header(void)
+{
+ /*
+ * header row
+ */
+ printf(" %-*s %-*s %-*s %-*s %-*s %-*s\n",
+ PRINT_TIMESTAMP_WIDTH, "Runtime start",
+ PRINT_TIMESTAMP_WIDTH, "Runtime end",
+ PRINT_TIMEHIST_CPU_WIDTH, "Cpu",
+ PRINT_KWORK_NAME_WIDTH, "Kwork name",
+ PRINT_RUNTIME_WIDTH, "Runtime",
+ PRINT_RUNTIME_WIDTH, "Delaytime");
+
+ /*
+ * units row
+ */
+ printf(" %-*s %-*s %-*s %-*s %-*s %-*s\n",
+ PRINT_TIMESTAMP_WIDTH, "",
+ PRINT_TIMESTAMP_WIDTH, "",
+ PRINT_TIMEHIST_CPU_WIDTH, "",
+ PRINT_KWORK_NAME_WIDTH, "(TYPE)NAME:NUM",
+ PRINT_RUNTIME_WIDTH, "(msec)",
+ PRINT_RUNTIME_WIDTH, "(msec)");
+
+ /*
+ * separator
+ */
+ printf(" %.*s %.*s %.*s %.*s %.*s %.*s\n",
+ PRINT_TIMESTAMP_WIDTH, graph_dotted_line,
+ PRINT_TIMESTAMP_WIDTH, graph_dotted_line,
+ PRINT_TIMEHIST_CPU_WIDTH, graph_dotted_line,
+ PRINT_KWORK_NAME_WIDTH, graph_dotted_line,
+ PRINT_RUNTIME_WIDTH, graph_dotted_line,
+ PRINT_RUNTIME_WIDTH, graph_dotted_line);
+}
+
+static void print_summary(struct perf_kwork *kwork)
+{
+ u64 time = kwork->timeend - kwork->timestart;
+
+ printf(" Total count : %9" PRIu64 "\n", kwork->all_count);
+ printf(" Total runtime (msec) : %9.3f (%.3f%% load average)\n",
+ (double)kwork->all_runtime / NSEC_PER_MSEC,
+ time == 0 ? 0 : (double)kwork->all_runtime / time);
+ printf(" Total time span (msec) : %9.3f\n",
+ (double)time / NSEC_PER_MSEC);
+}
+
+static unsigned long long nr_list_entry(struct list_head *head)
+{
+ struct list_head *pos;
+ unsigned long long n = 0;
+
+ list_for_each(pos, head)
+ n++;
+
+ return n;
+}
+
+static void print_skipped_events(struct perf_kwork *kwork)
+{
+ int i;
+ const char *const kwork_event_str[] = {
+ [KWORK_TRACE_RAISE] = "raise",
+ [KWORK_TRACE_ENTRY] = "entry",
+ [KWORK_TRACE_EXIT] = "exit",
+ };
+
+ if ((kwork->nr_skipped_events[KWORK_TRACE_MAX] != 0) &&
+ (kwork->nr_events != 0)) {
+ printf(" INFO: %.3f%% skipped events (%" PRIu64 " including ",
+ (double)kwork->nr_skipped_events[KWORK_TRACE_MAX] /
+ (double)kwork->nr_events * 100.0,
+ kwork->nr_skipped_events[KWORK_TRACE_MAX]);
+
+ for (i = 0; i < KWORK_TRACE_MAX; i++) {
+ printf("%" PRIu64 " %s%s",
+ kwork->nr_skipped_events[i],
+ kwork_event_str[i],
+ (i == KWORK_TRACE_MAX - 1) ? ")\n" : ", ");
+ }
+ }
+
+ if (verbose > 0)
+ printf(" INFO: use %lld atom pages\n",
+ nr_list_entry(&kwork->atom_page_list));
+}
+
+static void print_bad_events(struct perf_kwork *kwork)
+{
+ if ((kwork->nr_lost_events != 0) && (kwork->nr_events != 0)) {
+ printf(" INFO: %.3f%% lost events (%ld out of %ld, in %ld chunks)\n",
+ (double)kwork->nr_lost_events /
+ (double)kwork->nr_events * 100.0,
+ kwork->nr_lost_events, kwork->nr_events,
+ kwork->nr_lost_chunks);
+ }
+}
+
+const char *graph_load = "||||||||||||||||||||||||||||||||||||||||||||||||";
+const char *graph_idle = " ";
+static void top_print_per_cpu_load(struct perf_kwork *kwork)
+{
+ int i, load_width;
+ u64 total, load, load_ratio;
+ struct kwork_top_stat *stat = &kwork->top_stat;
+
+ for (i = 0; i < MAX_NR_CPUS; i++) {
+ total = stat->cpus_runtime[i].total;
+ load = stat->cpus_runtime[i].load;
+ if (test_bit(i, stat->all_cpus_bitmap) && total) {
+ load_ratio = load * 10000 / total;
+ load_width = PRINT_CPU_USAGE_HIST_WIDTH *
+ load_ratio / 10000;
+
+ printf("%%Cpu%-*d[%.*s%.*s %*.*f%%]\n",
+ PRINT_CPU_WIDTH, i,
+ load_width, graph_load,
+ PRINT_CPU_USAGE_HIST_WIDTH - load_width,
+ graph_idle,
+ PRINT_CPU_USAGE_WIDTH,
+ PRINT_CPU_USAGE_DECIMAL_WIDTH,
+ (double)load_ratio / 100);
+ }
+ }
+}
+
+static void top_print_cpu_usage(struct perf_kwork *kwork)
+{
+ struct kwork_top_stat *stat = &kwork->top_stat;
+ u64 idle_time = stat->cpus_runtime[MAX_NR_CPUS].idle;
+ u64 hardirq_time = stat->cpus_runtime[MAX_NR_CPUS].irq;
+ u64 softirq_time = stat->cpus_runtime[MAX_NR_CPUS].softirq;
+ int cpus_nr = bitmap_weight(stat->all_cpus_bitmap, MAX_NR_CPUS);
+ u64 cpus_total_time = stat->cpus_runtime[MAX_NR_CPUS].total;
+
+ printf("Total : %*.*f ms, %d cpus\n",
+ PRINT_RUNTIME_WIDTH, RPINT_DECIMAL_WIDTH,
+ (double)cpus_total_time / NSEC_PER_MSEC,
+ cpus_nr);
+
+ printf("%%Cpu(s): %*.*f%% id, %*.*f%% hi, %*.*f%% si\n",
+ PRINT_CPU_USAGE_WIDTH, PRINT_CPU_USAGE_DECIMAL_WIDTH,
+ cpus_total_time ? (double)idle_time * 100 / cpus_total_time : 0,
+
+ PRINT_CPU_USAGE_WIDTH, PRINT_CPU_USAGE_DECIMAL_WIDTH,
+ cpus_total_time ? (double)hardirq_time * 100 / cpus_total_time : 0,
+
+ PRINT_CPU_USAGE_WIDTH, PRINT_CPU_USAGE_DECIMAL_WIDTH,
+ cpus_total_time ? (double)softirq_time * 100 / cpus_total_time : 0);
+
+ top_print_per_cpu_load(kwork);
+}
+
+static void top_print_header(struct perf_kwork *kwork __maybe_unused)
+{
+ int ret;
+
+ printf("\n ");
+ ret = printf(" %*s %s%*s%s %*s %*s %-*s",
+ PRINT_PID_WIDTH, "PID",
+
+ kwork->use_bpf ? " " : "",
+ kwork->use_bpf ? PRINT_PID_WIDTH : 0,
+ kwork->use_bpf ? "SPID" : "",
+ kwork->use_bpf ? " " : "",
+
+ PRINT_CPU_USAGE_WIDTH, "%CPU",
+ PRINT_RUNTIME_HEADER_WIDTH + RPINT_DECIMAL_WIDTH, "RUNTIME",
+ PRINT_TASK_NAME_WIDTH, "COMMAND");
+ printf("\n ");
+ print_separator(ret);
+}
+
+static int top_print_work(struct perf_kwork *kwork __maybe_unused, struct kwork_work *work)
+{
+ int ret = 0;
+
+ printf(" ");
+
+ /*
+ * pid
+ */
+ ret += printf(" %*" PRIu64 " ", PRINT_PID_WIDTH, work->id);
+
+ /*
+ * tgid
+ */
+ if (kwork->use_bpf)
+ ret += printf(" %*d ", PRINT_PID_WIDTH, work->tgid);
+
+ /*
+ * cpu usage
+ */
+ ret += printf(" %*.*f ",
+ PRINT_CPU_USAGE_WIDTH, PRINT_CPU_USAGE_DECIMAL_WIDTH,
+ (double)work->cpu_usage / 100);
+
+ /*
+ * total runtime
+ */
+ ret += printf(" %*.*f ms ",
+ PRINT_RUNTIME_WIDTH + RPINT_DECIMAL_WIDTH, RPINT_DECIMAL_WIDTH,
+ (double)work->total_runtime / NSEC_PER_MSEC);
+
+ /*
+ * command
+ */
+ if (kwork->use_bpf)
+ ret += printf(" %s%s%s",
+ work->is_kthread ? "[" : "",
+ work->name,
+ work->is_kthread ? "]" : "");
+ else
+ ret += printf(" %-*s", PRINT_TASK_NAME_WIDTH, work->name);
+
+ printf("\n");
+ return ret;
+}
+
+static void work_sort(struct perf_kwork *kwork,
+ struct kwork_class *class, struct rb_root_cached *root)
+{
+ struct rb_node *node;
+ struct kwork_work *data;
+
+ pr_debug("Sorting %s ...\n", class->name);
+ for (;;) {
+ node = rb_first_cached(root);
+ if (!node)
+ break;
+
+ rb_erase_cached(node, root);
+ data = rb_entry(node, struct kwork_work, node);
+ work_insert(&kwork->sorted_work_root,
+ data, &kwork->sort_list);
+ }
+}
+
+static void perf_kwork__sort(struct perf_kwork *kwork)
+{
+ struct kwork_class *class;
+
+ list_for_each_entry(class, &kwork->class_list, list)
+ work_sort(kwork, class, &class->work_root);
+}
+
+static int perf_kwork__check_config(struct perf_kwork *kwork,
+ struct perf_session *session)
+{
+ int ret;
+ struct evsel *evsel;
+ struct kwork_class *class;
+
+ static struct trace_kwork_handler report_ops = {
+ .entry_event = report_entry_event,
+ .exit_event = report_exit_event,
+ };
+ static struct trace_kwork_handler latency_ops = {
+ .raise_event = latency_raise_event,
+ .entry_event = latency_entry_event,
+ };
+ static struct trace_kwork_handler timehist_ops = {
+ .raise_event = timehist_raise_event,
+ .entry_event = timehist_entry_event,
+ .exit_event = timehist_exit_event,
+ };
+ static struct trace_kwork_handler top_ops = {
+ .entry_event = timehist_entry_event,
+ .exit_event = top_exit_event,
+ .sched_switch_event = top_sched_switch_event,
+ };
+
+ switch (kwork->report) {
+ case KWORK_REPORT_RUNTIME:
+ kwork->tp_handler = &report_ops;
+ break;
+ case KWORK_REPORT_LATENCY:
+ kwork->tp_handler = &latency_ops;
+ break;
+ case KWORK_REPORT_TIMEHIST:
+ kwork->tp_handler = &timehist_ops;
+ break;
+ case KWORK_REPORT_TOP:
+ kwork->tp_handler = &top_ops;
+ break;
+ default:
+ pr_debug("Invalid report type %d\n", kwork->report);
+ return -1;
+ }
+
+ list_for_each_entry(class, &kwork->class_list, list)
+ if ((class->class_init != NULL) &&
+ (class->class_init(class, session) != 0))
+ return -1;
+
+ if (kwork->cpu_list != NULL) {
+ ret = perf_session__cpu_bitmap(session,
+ kwork->cpu_list,
+ kwork->cpu_bitmap);
+ if (ret < 0) {
+ pr_err("Invalid cpu bitmap\n");
+ return -1;
+ }
+ }
+
+ if (kwork->time_str != NULL) {
+ ret = perf_time__parse_str(&kwork->ptime, kwork->time_str);
+ if (ret != 0) {
+ pr_err("Invalid time span\n");
+ return -1;
+ }
+ }
+
+ list_for_each_entry(evsel, &session->evlist->core.entries, core.node) {
+ if (kwork->show_callchain && !evsel__has_callchain(evsel)) {
+ pr_debug("Samples do not have callchains\n");
+ kwork->show_callchain = 0;
+ symbol_conf.use_callchain = 0;
+ }
+ }
+
+ return 0;
+}
+
+static int perf_kwork__read_events(struct perf_kwork *kwork)
+{
+ int ret = -1;
+ struct perf_session *session = NULL;
+
+ struct perf_data data = {
+ .path = input_name,
+ .mode = PERF_DATA_MODE_READ,
+ .force = kwork->force,
+ };
+
+ session = perf_session__new(&data, &kwork->tool);
+ if (IS_ERR(session)) {
+ pr_debug("Error creating perf session\n");
+ return PTR_ERR(session);
+ }
+
+ symbol__init(perf_session__env(session));
+
+ if (perf_kwork__check_config(kwork, session) != 0)
+ goto out_delete;
+
+ if (session->tevent.pevent &&
+ tep_set_function_resolver(session->tevent.pevent,
+ machine__resolve_kernel_addr,
+ &session->machines.host) < 0) {
+ pr_err("Failed to set libtraceevent function resolver\n");
+ goto out_delete;
+ }
+
+ if (kwork->report == KWORK_REPORT_TIMEHIST)
+ timehist_print_header();
+
+ ret = perf_session__process_events(session);
+ if (ret) {
+ pr_debug("Failed to process events, error %d\n", ret);
+ goto out_delete;
+ }
+
+ kwork->nr_events = session->evlist->stats.nr_events[0];
+ kwork->nr_lost_events = session->evlist->stats.total_lost;
+ kwork->nr_lost_chunks = session->evlist->stats.nr_events[PERF_RECORD_LOST];
+
+out_delete:
+ perf_session__delete(session);
+ return ret;
+}
+
+static void process_skipped_events(struct perf_kwork *kwork,
+ struct kwork_work *work)
+{
+ int i;
+ unsigned long long count;
+
+ for (i = 0; i < KWORK_TRACE_MAX; i++) {
+ count = nr_list_entry(&work->atom_list[i]);
+ kwork->nr_skipped_events[i] += count;
+ kwork->nr_skipped_events[KWORK_TRACE_MAX] += count;
+ }
+}
+
+static struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork,
+ struct kwork_class *class,
+ struct kwork_work *key)
+{
+ struct kwork_work *work = NULL;
+
+ work = work_new(key);
+ if (work == NULL)
+ return NULL;
+
+ work_insert(&class->work_root, work, &kwork->cmp_id);
+ return work;
+}
+
+static void sig_handler(int sig)
+{
+ /*
+ * Simply capture termination signal so that
+ * the program can continue after pause returns
+ */
+ pr_debug("Capture signal %d\n", sig);
+}
+
+static int perf_kwork__report_bpf(struct perf_kwork *kwork)
+{
+ int ret;
+
+ signal(SIGINT, sig_handler);
+ signal(SIGTERM, sig_handler);
+
+ ret = perf_kwork__trace_prepare_bpf(kwork);
+ if (ret)
+ return -1;
+
+ printf("Starting trace, Hit <Ctrl+C> to stop and report\n");
+
+ perf_kwork__trace_start();
+
+ /*
+ * a simple pause, wait here for stop signal
+ */
+ pause();
+
+ perf_kwork__trace_finish();
+
+ perf_kwork__report_read_bpf(kwork);
+
+ perf_kwork__report_cleanup_bpf();
+
+ return 0;
+}
+
+static int perf_kwork__report(struct perf_kwork *kwork)
+{
+ int ret;
+ struct rb_node *next;
+ struct kwork_work *work;
+
+ if (kwork->use_bpf)
+ ret = perf_kwork__report_bpf(kwork);
+ else
+ ret = perf_kwork__read_events(kwork);
+
+ if (ret != 0)
+ return -1;
+
+ perf_kwork__sort(kwork);
+
+ setup_pager();
+
+ ret = report_print_header(kwork);
+ next = rb_first_cached(&kwork->sorted_work_root);
+ while (next) {
+ work = rb_entry(next, struct kwork_work, node);
+ process_skipped_events(kwork, work);
+
+ if (work->nr_atoms != 0) {
+ report_print_work(kwork, work);
+ if (kwork->summary) {
+ kwork->all_runtime += work->total_runtime;
+ kwork->all_count += work->nr_atoms;
+ }
+ }
+ next = rb_next(next);
+ }
+ print_separator(ret);
+
+ if (kwork->summary) {
+ print_summary(kwork);
+ print_separator(ret);
+ }
+
+ print_bad_events(kwork);
+ print_skipped_events(kwork);
+ printf("\n");
+
+ return 0;
+}
+
+typedef int (*tracepoint_handler)(const struct perf_tool *tool,
+ struct evsel *evsel,
+ struct perf_sample *sample,
+ struct machine *machine);
+
+static int perf_kwork__process_tracepoint_sample(const struct perf_tool *tool,
+ union perf_event *event __maybe_unused,
+ struct perf_sample *sample,
+ struct evsel *evsel,
+ struct machine *machine)
+{
+ int err = 0;
+
+ if (evsel->handler != NULL) {
+ tracepoint_handler f = evsel->handler;
+
+ err = f(tool, evsel, sample, machine);
+ }
+
+ return err;
+}
+
+static int perf_kwork__timehist(struct perf_kwork *kwork)
+{
+ /*
+ * event handlers for timehist option
+ */
+ kwork->tool.comm = perf_event__process_comm;
+ kwork->tool.exit = perf_event__process_exit;
+ kwork->tool.fork = perf_event__process_fork;
+ kwork->tool.attr = perf_event__process_attr;
+ kwork->tool.tracing_data = perf_event__process_tracing_data;
+ kwork->tool.build_id = perf_event__process_build_id;
+ kwork->tool.ordered_events = true;
+ kwork->tool.ordering_requires_timestamps = true;
+ symbol_conf.use_callchain = kwork->show_callchain;
+
+ if (symbol__validate_sym_arguments()) {
+ pr_err("Failed to validate sym arguments\n");
+ return -1;
+ }
+
+ setup_pager();
+
+ return perf_kwork__read_events(kwork);
+}
+
+static void top_calc_total_runtime(struct perf_kwork *kwork)
+{
+ struct kwork_class *class;
+ struct kwork_work *work;
+ struct rb_node *next;
+ struct kwork_top_stat *stat = &kwork->top_stat;
+
+ class = get_kwork_class(kwork, KWORK_CLASS_SCHED);
+ if (!class)
+ return;
+
+ next = rb_first_cached(&class->work_root);
+ while (next) {
+ work = rb_entry(next, struct kwork_work, node);
+ BUG_ON(work->cpu >= MAX_NR_CPUS);
+ stat->cpus_runtime[work->cpu].total += work->total_runtime;
+ stat->cpus_runtime[MAX_NR_CPUS].total += work->total_runtime;
+ next = rb_next(next);
+ }
+}
+
+static void top_calc_idle_time(struct perf_kwork *kwork,
+ struct kwork_work *work)
+{
+ struct kwork_top_stat *stat = &kwork->top_stat;
+
+ if (work->id == 0) {
+ stat->cpus_runtime[work->cpu].idle += work->total_runtime;
+ stat->cpus_runtime[MAX_NR_CPUS].idle += work->total_runtime;
+ }
+}
+
+static void top_calc_irq_runtime(struct perf_kwork *kwork,
+ enum kwork_class_type type,
+ struct kwork_work *work)
+{
+ struct kwork_top_stat *stat = &kwork->top_stat;
+
+ if (type == KWORK_CLASS_IRQ) {
+ stat->cpus_runtime[work->cpu].irq += work->total_runtime;
+ stat->cpus_runtime[MAX_NR_CPUS].irq += work->total_runtime;
+ } else if (type == KWORK_CLASS_SOFTIRQ) {
+ stat->cpus_runtime[work->cpu].softirq += work->total_runtime;
+ stat->cpus_runtime[MAX_NR_CPUS].softirq += work->total_runtime;
+ }
+}
+
+static void top_subtract_irq_runtime(struct perf_kwork *kwork,
+ struct kwork_work *work)
+{
+ struct kwork_class *class;
+ struct kwork_work *data;
+ unsigned int i;
+ int irq_class_list[] = {KWORK_CLASS_IRQ, KWORK_CLASS_SOFTIRQ};
+
+ for (i = 0; i < ARRAY_SIZE(irq_class_list); i++) {
+ class = get_kwork_class(kwork, irq_class_list[i]);
+ if (!class)
+ continue;
+
+ data = find_work_by_id(&class->work_root,
+ work->id, work->cpu);
+ if (!data)
+ continue;
+
+ if (work->total_runtime > data->total_runtime) {
+ work->total_runtime -= data->total_runtime;
+ top_calc_irq_runtime(kwork, irq_class_list[i], data);
+ }
+ }
+}
+
+static void top_calc_cpu_usage(struct perf_kwork *kwork)
+{
+ struct kwork_class *class;
+ struct kwork_work *work;
+ struct rb_node *next;
+ struct kwork_top_stat *stat = &kwork->top_stat;
+
+ class = get_kwork_class(kwork, KWORK_CLASS_SCHED);
+ if (!class)
+ return;
+
+ next = rb_first_cached(&class->work_root);
+ while (next) {
+ work = rb_entry(next, struct kwork_work, node);
+
+ if (work->total_runtime == 0)
+ goto next;
+
+ __set_bit(work->cpu, stat->all_cpus_bitmap);
+
+ top_subtract_irq_runtime(kwork, work);
+
+ work->cpu_usage = work->total_runtime * 10000 /
+ stat->cpus_runtime[work->cpu].total;
+
+ top_calc_idle_time(kwork, work);
+next:
+ next = rb_next(next);
+ }
+}
+
+static void top_calc_load_runtime(struct perf_kwork *kwork,
+ struct kwork_work *work)
+{
+ struct kwork_top_stat *stat = &kwork->top_stat;
+
+ if (work->id != 0) {
+ stat->cpus_runtime[work->cpu].load += work->total_runtime;
+ stat->cpus_runtime[MAX_NR_CPUS].load += work->total_runtime;
+ }
+}
+
+static void top_merge_tasks(struct perf_kwork *kwork)
+{
+ struct kwork_work *merged_work, *data;
+ struct kwork_class *class;
+ struct rb_node *node;
+ int cpu;
+ struct rb_root_cached merged_root = RB_ROOT_CACHED;
+
+ class = get_kwork_class(kwork, KWORK_CLASS_SCHED);
+ if (!class)
+ return;
+
+ for (;;) {
+ node = rb_first_cached(&class->work_root);
+ if (!node)
+ break;
+
+ rb_erase_cached(node, &class->work_root);
+ data = rb_entry(node, struct kwork_work, node);
+
+ if (!profile_name_match(kwork, data))
+ continue;
+
+ cpu = data->cpu;
+ merged_work = find_work_by_id(&merged_root, data->id,
+ data->id == 0 ? cpu : -1);
+ if (!merged_work) {
+ work_insert(&merged_root, data, &kwork->cmp_id);
+ } else {
+ merged_work->total_runtime += data->total_runtime;
+ merged_work->cpu_usage += data->cpu_usage;
+ }
+
+ top_calc_load_runtime(kwork, data);
+ }
+
+ work_sort(kwork, class, &merged_root);
+}
+
+static void perf_kwork__top_report(struct perf_kwork *kwork)
+{
+ struct kwork_work *work;
+ struct rb_node *next;
+
+ printf("\n");
+
+ top_print_cpu_usage(kwork);
+ top_print_header(kwork);
+ next = rb_first_cached(&kwork->sorted_work_root);
+ while (next) {
+ work = rb_entry(next, struct kwork_work, node);
+ process_skipped_events(kwork, work);
+
+ if (work->total_runtime == 0)
+ goto next;
+
+ top_print_work(kwork, work);
+
+next:
+ next = rb_next(next);
+ }
+
+ printf("\n");
+}
+
+static int perf_kwork__top_bpf(struct perf_kwork *kwork)
+{
+ int ret;
+
+ signal(SIGINT, sig_handler);
+ signal(SIGTERM, sig_handler);
+
+ ret = perf_kwork__top_prepare_bpf(kwork);
+ if (ret)
+ return -1;
+
+ printf("Starting trace, Hit <Ctrl+C> to stop and report\n");
+
+ perf_kwork__top_start();
+
+ /*
+ * a simple pause, wait here for stop signal
+ */
+ pause();
+
+ perf_kwork__top_finish();
+
+ perf_kwork__top_read_bpf(kwork);
+
+ perf_kwork__top_cleanup_bpf();
+
+ return 0;
+
+}
+
+static int perf_kwork__top(struct perf_kwork *kwork)
+{
+ struct __top_cpus_runtime *cpus_runtime;
+ int ret = 0;
+
+ cpus_runtime = zalloc(sizeof(struct __top_cpus_runtime) * (MAX_NR_CPUS + 1));
+ if (!cpus_runtime)
+ return -1;
+
+ kwork->top_stat.cpus_runtime = cpus_runtime;
+ bitmap_zero(kwork->top_stat.all_cpus_bitmap, MAX_NR_CPUS);
+
+ if (kwork->use_bpf)
+ ret = perf_kwork__top_bpf(kwork);
+ else
+ ret = perf_kwork__read_events(kwork);
+
+ if (ret)
+ goto out;
+
+ top_calc_total_runtime(kwork);
+ top_calc_cpu_usage(kwork);
+ top_merge_tasks(kwork);
+
+ setup_pager();
+
+ perf_kwork__top_report(kwork);
+
+out:
+ zfree(&kwork->top_stat.cpus_runtime);
+ return ret;
+}
+
+static void setup_event_list(struct perf_kwork *kwork,
+ const struct option *options,
+ const char * const usage_msg[])
+{
+ int i;
+ struct kwork_class *class;
+ char *tmp, *tok, *str;
+
+ /*
+ * set default events list if not specified
+ */
+ if (kwork->event_list_str == NULL)
+ kwork->event_list_str = "irq, softirq, workqueue";
+
+ str = strdup(kwork->event_list_str);
+ for (tok = strtok_r(str, ", ", &tmp);
+ tok; tok = strtok_r(NULL, ", ", &tmp)) {
+ for (i = 0; i < KWORK_CLASS_MAX; i++) {
+ class = kwork_class_supported_list[i];
+ if (strcmp(tok, class->name) == 0) {
+ list_add_tail(&class->list, &kwork->class_list);
+ break;
+ }
+ }
+ if (i == KWORK_CLASS_MAX) {
+ usage_with_options_msg(usage_msg, options,
+ "Unknown --event key: `%s'", tok);
+ }
+ }
+ free(str);
+
+ pr_debug("Config event list:");
+ list_for_each_entry(class, &kwork->class_list, list)
+ pr_debug(" %s", class->name);
+ pr_debug("\n");
+}
+
+#define STRDUP_FAIL_EXIT(s) \
+ ({ char *_p; \
+ _p = strdup(s); \
+ if (!_p) { \
+ ret = -ENOMEM; \
+ goto EXIT; \
+ } \
+ _p; \
+ })
+
+static int perf_kwork__record(struct perf_kwork *kwork,
+ int argc, const char **argv)
+{
+ const char **rec_argv;
+ unsigned int rec_argc, i, j;
+ struct kwork_class *class;
+ int ret;
+
+ const char *const record_args[] = {
+ "record",
+ "-a",
+ "-R",
+ "-m", "1024",
+ "-c", "1",
+ };
+
+ rec_argc = ARRAY_SIZE(record_args) + argc - 1;
+
+ list_for_each_entry(class, &kwork->class_list, list)
+ rec_argc += 2 * class->nr_tracepoints;
+
+ rec_argv = calloc(rec_argc + 1, sizeof(char *));
+ if (rec_argv == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < ARRAY_SIZE(record_args); i++)
+ rec_argv[i] = STRDUP_FAIL_EXIT(record_args[i]);
+
+ list_for_each_entry(class, &kwork->class_list, list) {
+ for (j = 0; j < class->nr_tracepoints; j++) {
+ rec_argv[i++] = STRDUP_FAIL_EXIT("-e");
+ rec_argv[i++] = STRDUP_FAIL_EXIT(class->tp_handlers[j].name);
+ }
+ }
+
+ for (j = 1; j < (unsigned int)argc; j++, i++)
+ rec_argv[i] = STRDUP_FAIL_EXIT(argv[j]);
+
+ BUG_ON(i != rec_argc);
+
+ pr_debug("record comm: ");
+ for (j = 0; j < rec_argc; j++)
+ pr_debug("%s ", rec_argv[j]);
+ pr_debug("\n");
+
+ ret = cmd_record(i, rec_argv);
+
+EXIT:
+ for (i = 0; i < rec_argc; i++)
+ free((void *)rec_argv[i]);
+ free(rec_argv);
+ return ret;
+}
+
+int cmd_kwork(int argc, const char **argv)
+{
+ static struct perf_kwork kwork = {
+ .class_list = LIST_HEAD_INIT(kwork.class_list),
+ .atom_page_list = LIST_HEAD_INIT(kwork.atom_page_list),
+ .sort_list = LIST_HEAD_INIT(kwork.sort_list),
+ .cmp_id = LIST_HEAD_INIT(kwork.cmp_id),
+ .sorted_work_root = RB_ROOT_CACHED,
+ .tp_handler = NULL,
+ .profile_name = NULL,
+ .cpu_list = NULL,
+ .time_str = NULL,
+ .force = false,
+ .event_list_str = NULL,
+ .summary = false,
+ .sort_order = NULL,
+ .show_callchain = false,
+ .max_stack = 5,
+ .timestart = 0,
+ .timeend = 0,
+ .nr_events = 0,
+ .nr_lost_chunks = 0,
+ .nr_lost_events = 0,
+ .all_runtime = 0,
+ .all_count = 0,
+ .nr_skipped_events = { 0 },
+ .add_work = perf_kwork_add_work,
+ };
+ static const char default_report_sort_order[] = "runtime, max, count";
+ static const char default_latency_sort_order[] = "avg, max, count";
+ static const char default_top_sort_order[] = "rate, runtime";
+ const struct option kwork_options[] = {
+ OPT_INCR('v', "verbose", &verbose,
+ "be more verbose (show symbol address, etc)"),
+ OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
+ "dump raw trace in ASCII"),
+ OPT_STRING('k', "kwork", &kwork.event_list_str, "kwork",
+ "list of kwork to profile (irq, softirq, workqueue, sched, etc)"),
+ OPT_BOOLEAN('f', "force", &kwork.force, "don't complain, do it"),
+ OPT_END()
+ };
+ const struct option report_options[] = {
+ OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]",
+ "sort by key(s): runtime, max, count"),
+ OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu",
+ "list of cpus to profile"),
+ OPT_STRING('n', "name", &kwork.profile_name, "name",
+ "event name to profile"),
+ OPT_STRING(0, "time", &kwork.time_str, "str",
+ "Time span for analysis (start,stop)"),
+ OPT_STRING('i', "input", &input_name, "file",
+ "input file name"),
+ OPT_BOOLEAN('S', "with-summary", &kwork.summary,
+ "Show summary with statistics"),
+#ifdef HAVE_BPF_SKEL
+ OPT_BOOLEAN('b', "use-bpf", &kwork.use_bpf,
+ "Use BPF to measure kwork runtime"),
+#endif
+ OPT_PARENT(kwork_options)
+ };
+ const struct option latency_options[] = {
+ OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]",
+ "sort by key(s): avg, max, count"),
+ OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu",
+ "list of cpus to profile"),
+ OPT_STRING('n', "name", &kwork.profile_name, "name",
+ "event name to profile"),
+ OPT_STRING(0, "time", &kwork.time_str, "str",
+ "Time span for analysis (start,stop)"),
+ OPT_STRING('i', "input", &input_name, "file",
+ "input file name"),
+#ifdef HAVE_BPF_SKEL
+ OPT_BOOLEAN('b', "use-bpf", &kwork.use_bpf,
+ "Use BPF to measure kwork latency"),
+#endif
+ OPT_PARENT(kwork_options)
+ };
+ const struct option timehist_options[] = {
+ OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
+ "file", "vmlinux pathname"),
+ OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
+ "file", "kallsyms pathname"),
+ OPT_BOOLEAN('g', "call-graph", &kwork.show_callchain,
+ "Display call chains if present"),
+ OPT_UINTEGER(0, "max-stack", &kwork.max_stack,
+ "Maximum number of functions to display backtrace."),
+ OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
+ "Look for files with symbols relative to this directory"),
+ OPT_STRING(0, "time", &kwork.time_str, "str",
+ "Time span for analysis (start,stop)"),
+ OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu",
+ "list of cpus to profile"),
+ OPT_STRING('n', "name", &kwork.profile_name, "name",
+ "event name to profile"),
+ OPT_STRING('i', "input", &input_name, "file",
+ "input file name"),
+ OPT_PARENT(kwork_options)
+ };
+ const struct option top_options[] = {
+ OPT_STRING('s', "sort", &kwork.sort_order, "key[,key2...]",
+ "sort by key(s): rate, runtime, tid"),
+ OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu",
+ "list of cpus to profile"),
+ OPT_STRING('n', "name", &kwork.profile_name, "name",
+ "event name to profile"),
+ OPT_STRING(0, "time", &kwork.time_str, "str",
+ "Time span for analysis (start,stop)"),
+ OPT_STRING('i', "input", &input_name, "file",
+ "input file name"),
+#ifdef HAVE_BPF_SKEL
+ OPT_BOOLEAN('b', "use-bpf", &kwork.use_bpf,
+ "Use BPF to measure task cpu usage"),
+#endif
+ OPT_PARENT(kwork_options)
+ };
+ const char *kwork_usage[] = {
+ NULL,
+ NULL
+ };
+ const char * const report_usage[] = {
+ "perf kwork report [<options>]",
+ NULL
+ };
+ const char * const latency_usage[] = {
+ "perf kwork latency [<options>]",
+ NULL
+ };
+ const char * const timehist_usage[] = {
+ "perf kwork timehist [<options>]",
+ NULL
+ };
+ const char * const top_usage[] = {
+ "perf kwork top [<options>]",
+ NULL
+ };
+ const char *const kwork_subcommands[] = {
+ "record", "report", "latency", "timehist", "top", NULL
+ };
+
+ perf_tool__init(&kwork.tool, /*ordered_events=*/true);
+ kwork.tool.mmap = perf_event__process_mmap;
+ kwork.tool.mmap2 = perf_event__process_mmap2;
+ kwork.tool.sample = perf_kwork__process_tracepoint_sample;
+
+ argc = parse_options_subcommand(argc, argv, kwork_options,
+ kwork_subcommands, kwork_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION);
+ if (!argc)
+ usage_with_options(kwork_usage, kwork_options);
+
+ sort_dimension__add(&kwork, "id", &kwork.cmp_id);
+
+ if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
+ setup_event_list(&kwork, kwork_options, kwork_usage);
+ return perf_kwork__record(&kwork, argc, argv);
+ } else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
+ kwork.sort_order = default_report_sort_order;
+ if (argc > 1) {
+ argc = parse_options(argc, argv, report_options, report_usage, 0);
+ if (argc)
+ usage_with_options(report_usage, report_options);
+ }
+ kwork.report = KWORK_REPORT_RUNTIME;
+ setup_sorting(&kwork, report_options, report_usage);
+ setup_event_list(&kwork, kwork_options, kwork_usage);
+ return perf_kwork__report(&kwork);
+ } else if (strlen(argv[0]) > 2 && strstarts("latency", argv[0])) {
+ kwork.sort_order = default_latency_sort_order;
+ if (argc > 1) {
+ argc = parse_options(argc, argv, latency_options, latency_usage, 0);
+ if (argc)
+ usage_with_options(latency_usage, latency_options);
+ }
+ kwork.report = KWORK_REPORT_LATENCY;
+ setup_sorting(&kwork, latency_options, latency_usage);
+ setup_event_list(&kwork, kwork_options, kwork_usage);
+ return perf_kwork__report(&kwork);
+ } else if (strlen(argv[0]) > 2 && strstarts("timehist", argv[0])) {
+ if (argc > 1) {
+ argc = parse_options(argc, argv, timehist_options, timehist_usage, 0);
+ if (argc)
+ usage_with_options(timehist_usage, timehist_options);
+ }
+ kwork.report = KWORK_REPORT_TIMEHIST;
+ setup_event_list(&kwork, kwork_options, kwork_usage);
+ return perf_kwork__timehist(&kwork);
+ } else if (strlen(argv[0]) > 2 && strstarts("top", argv[0])) {
+ kwork.sort_order = default_top_sort_order;
+ if (argc > 1) {
+ argc = parse_options(argc, argv, top_options, top_usage, 0);
+ if (argc)
+ usage_with_options(top_usage, top_options);
+ }
+ kwork.report = KWORK_REPORT_TOP;
+ if (!kwork.event_list_str)
+ kwork.event_list_str = "sched, irq, softirq";
+ setup_event_list(&kwork, kwork_options, kwork_usage);
+ setup_sorting(&kwork, top_options, top_usage);
+ return perf_kwork__top(&kwork);
+ } else
+ usage_with_options(kwork_usage, kwork_options);
+
+ /* free usage string allocated by parse_options_subcommand */
+ free((void *)kwork_usage[0]);
+
+ return 0;
+}
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index 4bf2cb4d25aa..5cbca0bacd35 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* builtin-list.c
*
@@ -9,111 +10,764 @@
*/
#include "builtin.h"
-#include "perf.h"
-
-#include "util/parse-events.h"
-#include "util/cache.h"
+#include "util/print-events.h"
+#include "util/pmus.h"
#include "util/pmu.h"
#include "util/debug.h"
+#include "util/metricgroup.h"
+#include "util/pfm.h"
+#include "util/string2.h"
+#include "util/strlist.h"
+#include "util/strbuf.h"
+#include "util/tool_pmu.h"
+#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
+#include <linux/zalloc.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+/**
+ * struct print_state - State and configuration passed to the default_print
+ * functions.
+ */
+struct print_state {
+ /** @fp: File to write output to. */
+ FILE *fp;
+ /**
+ * @pmu_glob: Optionally restrict PMU and metric matching to PMU or
+ * debugfs subsystem name.
+ */
+ char *pmu_glob;
+ /** @event_glob: Optional pattern matching glob. */
+ char *event_glob;
+ /** @name_only: Print event or metric names only. */
+ bool name_only;
+ /** @desc: Print the event or metric description. */
+ bool desc;
+ /** @long_desc: Print longer event or metric description. */
+ bool long_desc;
+ /** @deprecated: Print deprecated events or metrics. */
+ bool deprecated;
+ /**
+ * @detailed: Print extra information on the perf event such as names
+ * and expressions used internally by events.
+ */
+ bool detailed;
+ /** @metrics: Controls printing of metric and metric groups. */
+ bool metrics;
+ /** @metricgroups: Controls printing of metric and metric groups. */
+ bool metricgroups;
+ /** @exclude_abi: Exclude PMUs with types less than PERF_TYPE_MAX except PERF_TYPE_RAW. */
+ bool exclude_abi;
+ /** @last_topic: The last printed event topic. */
+ char *last_topic;
+ /** @last_metricgroups: The last printed metric group. */
+ char *last_metricgroups;
+ /** @visited_metrics: Metrics that are printed to avoid duplicates. */
+ struct strlist *visited_metrics;
+};
+
+static void default_print_start(void *ps)
+{
+ struct print_state *print_state = ps;
+
+ if (!print_state->name_only && pager_in_use()) {
+ fprintf(print_state->fp,
+ "\nList of pre-defined events (to be used in -e or -M):\n\n");
+ }
+}
+
+static void default_print_end(void *print_state __maybe_unused) {}
+
+static const char *skip_spaces_or_commas(const char *str)
+{
+ while (isspace(*str) || *str == ',')
+ ++str;
+ return str;
+}
+
+static void wordwrap(FILE *fp, const char *s, int start, int max, int corr)
+{
+ int column = start;
+ int n;
+ bool saw_newline = false;
+ bool comma = false;
+
+ while (*s) {
+ int wlen = strcspn(s, " ,\t\n");
+ const char *sep = comma ? "," : " ";
+
+ if ((column + wlen >= max && column > start) || saw_newline) {
+ fprintf(fp, comma ? ",\n%*s" : "\n%*s", start, "");
+ column = start + corr;
+ }
+ if (column <= start)
+ sep = "";
+ n = fprintf(fp, "%s%.*s", sep, wlen, s);
+ if (n <= 0)
+ break;
+ saw_newline = s[wlen] == '\n';
+ s += wlen;
+ comma = s[0] == ',';
+ column += n;
+ s = skip_spaces_or_commas(s);
+ }
+}
+
+static void default_print_event(void *ps, const char *topic,
+ const char *pmu_name, u32 pmu_type,
+ const char *event_name, const char *event_alias,
+ const char *scale_unit __maybe_unused,
+ bool deprecated, const char *event_type_desc,
+ const char *desc, const char *long_desc,
+ const char *encoding_desc)
+{
+ struct print_state *print_state = ps;
+ int pos;
+ FILE *fp = print_state->fp;
+
+ if (deprecated && !print_state->deprecated)
+ return;
+
+ if (print_state->pmu_glob && (!pmu_name || !strglobmatch(pmu_name, print_state->pmu_glob)))
+ return;
+
+ if (print_state->exclude_abi && pmu_type < PERF_TYPE_MAX && pmu_type != PERF_TYPE_RAW)
+ return;
+
+ if (print_state->event_glob &&
+ (!event_name || !strglobmatch(event_name, print_state->event_glob)) &&
+ (!event_alias || !strglobmatch(event_alias, print_state->event_glob)) &&
+ (!topic || !strglobmatch_nocase(topic, print_state->event_glob)))
+ return;
+
+ if (print_state->name_only) {
+ if (event_alias && strlen(event_alias))
+ fprintf(fp, "%s ", event_alias);
+ else
+ fprintf(fp, "%s ", event_name);
+ return;
+ }
+
+ if (strcmp(print_state->last_topic, topic ?: "")) {
+ if (topic)
+ fprintf(fp, "\n%s:\n", topic);
+ zfree(&print_state->last_topic);
+ print_state->last_topic = strdup(topic ?: "");
+ }
+
+ if (event_alias && strlen(event_alias))
+ pos = fprintf(fp, " %s OR %s", event_name, event_alias);
+ else
+ pos = fprintf(fp, " %s", event_name);
+
+ if (!topic && event_type_desc) {
+ for (; pos < 53; pos++)
+ fputc(' ', fp);
+ fprintf(fp, "[%s]\n", event_type_desc);
+ } else
+ fputc('\n', fp);
+
+ if (long_desc && print_state->long_desc)
+ desc = long_desc;
+
+ if (desc && (print_state->desc || print_state->long_desc)) {
+ char *desc_with_unit = NULL;
+ int desc_len = -1;
+
+ if (pmu_name && strcmp(pmu_name, "default_core")) {
+ desc_len = strlen(desc);
+ desc_len = asprintf(&desc_with_unit,
+ desc_len > 0 && desc[desc_len - 1] != '.'
+ ? "%s. Unit: %s" : "%s Unit: %s",
+ desc, pmu_name);
+ }
+ fprintf(fp, "%*s", 8, "[");
+ wordwrap(fp, desc_len > 0 ? desc_with_unit : desc, 8, pager_get_columns(), 0);
+ fprintf(fp, "]\n");
+ free(desc_with_unit);
+ }
-static bool desc_flag = true;
-static bool details_flag;
+ if (print_state->detailed && encoding_desc) {
+ fprintf(fp, "%*s", 8, "");
+ wordwrap(fp, encoding_desc, 8, pager_get_columns(), 0);
+ fputc('\n', fp);
+ }
+}
+
+static void default_print_metric(void *ps,
+ const char *group,
+ const char *name,
+ const char *desc,
+ const char *long_desc,
+ const char *expr,
+ const char *threshold,
+ const char *unit __maybe_unused,
+ const char *pmu_name __maybe_unused)
+{
+ struct print_state *print_state = ps;
+ FILE *fp = print_state->fp;
+
+ if (print_state->event_glob &&
+ (!print_state->metrics || !name || !strglobmatch(name, print_state->event_glob)) &&
+ (!print_state->metricgroups || !group || !strglobmatch(group, print_state->event_glob)))
+ return;
+
+ if (!print_state->name_only && !print_state->last_metricgroups) {
+ if (print_state->metricgroups) {
+ fprintf(fp, "\nMetric Groups:\n");
+ if (!print_state->metrics)
+ fputc('\n', fp);
+ } else {
+ fprintf(fp, "\nMetrics:\n\n");
+ }
+ }
+ if (!print_state->last_metricgroups ||
+ strcmp(print_state->last_metricgroups, group ?: "")) {
+ if (group && print_state->metricgroups) {
+ if (print_state->name_only) {
+ fprintf(fp, "%s ", group);
+ } else {
+ const char *gdesc = print_state->desc
+ ? describe_metricgroup(group)
+ : NULL;
+ const char *print_colon = "";
+
+ if (print_state->metrics) {
+ print_colon = ":";
+ fputc('\n', fp);
+ }
+
+ if (gdesc)
+ fprintf(fp, "%s%s [%s]\n", group, print_colon, gdesc);
+ else
+ fprintf(fp, "%s%s\n", group, print_colon);
+ }
+ }
+ zfree(&print_state->last_metricgroups);
+ print_state->last_metricgroups = strdup(group ?: "");
+ }
+ if (!print_state->metrics)
+ return;
+
+ if (print_state->name_only) {
+ if (print_state->metrics &&
+ !strlist__has_entry(print_state->visited_metrics, name)) {
+ fprintf(fp, "%s ", name);
+ strlist__add(print_state->visited_metrics, name);
+ }
+ return;
+ }
+ fprintf(fp, " %s\n", name);
+
+ if (long_desc && print_state->long_desc) {
+ fprintf(fp, "%*s", 8, "[");
+ wordwrap(fp, long_desc, 8, pager_get_columns(), 0);
+ fprintf(fp, "]\n");
+ } else if (desc && print_state->desc) {
+ fprintf(fp, "%*s", 8, "[");
+ wordwrap(fp, desc, 8, pager_get_columns(), 0);
+ fprintf(fp, "]\n");
+ }
+ if (expr && print_state->detailed) {
+ fprintf(fp, "%*s", 8, "[");
+ wordwrap(fp, expr, 8, pager_get_columns(), 0);
+ fprintf(fp, "]\n");
+ }
+ if (threshold && print_state->detailed) {
+ fprintf(fp, "%*s", 8, "[");
+ wordwrap(fp, threshold, 8, pager_get_columns(), 0);
+ fprintf(fp, "]\n");
+ }
+}
+
+struct json_print_state {
+ /** The shared print_state */
+ struct print_state common;
+ /** Should a separator be printed prior to the next item? */
+ bool need_sep;
+};
+
+static void json_print_start(void *ps)
+{
+ struct json_print_state *print_state = ps;
+ FILE *fp = print_state->common.fp;
+
+ fprintf(fp, "[\n");
+}
+
+static void json_print_end(void *ps)
+{
+ struct json_print_state *print_state = ps;
+ FILE *fp = print_state->common.fp;
+
+ fprintf(fp, "%s]\n", print_state->need_sep ? "\n" : "");
+}
+
+static void fix_escape_fprintf(FILE *fp, struct strbuf *buf, const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ strbuf_setlen(buf, 0);
+ for (size_t fmt_pos = 0; fmt_pos < strlen(fmt); fmt_pos++) {
+ switch (fmt[fmt_pos]) {
+ case '%':
+ fmt_pos++;
+ switch (fmt[fmt_pos]) {
+ case 's': {
+ const char *s = va_arg(args, const char*);
+
+ strbuf_addstr(buf, s);
+ break;
+ }
+ case 'S': {
+ const char *s = va_arg(args, const char*);
+
+ for (size_t s_pos = 0; s_pos < strlen(s); s_pos++) {
+ switch (s[s_pos]) {
+ case '\n':
+ strbuf_addstr(buf, "\\n");
+ break;
+ case '\r':
+ strbuf_addstr(buf, "\\r");
+ break;
+ case '\\':
+ fallthrough;
+ case '\"':
+ strbuf_addch(buf, '\\');
+ fallthrough;
+ default:
+ strbuf_addch(buf, s[s_pos]);
+ break;
+ }
+ }
+ break;
+ }
+ default:
+ pr_err("Unexpected format character '%c'\n", fmt[fmt_pos]);
+ strbuf_addch(buf, '%');
+ strbuf_addch(buf, fmt[fmt_pos]);
+ }
+ break;
+ default:
+ strbuf_addch(buf, fmt[fmt_pos]);
+ break;
+ }
+ }
+ va_end(args);
+ fputs(buf->buf, fp);
+}
+
+static void json_print_event(void *ps, const char *topic,
+ const char *pmu_name, u32 pmu_type __maybe_unused,
+ const char *event_name, const char *event_alias,
+ const char *scale_unit,
+ bool deprecated, const char *event_type_desc,
+ const char *desc, const char *long_desc,
+ const char *encoding_desc)
+{
+ struct json_print_state *print_state = ps;
+ bool need_sep = false;
+ FILE *fp = print_state->common.fp;
+ struct strbuf buf;
+
+ if (deprecated && !print_state->common.deprecated)
+ return;
+
+ if (print_state->common.pmu_glob &&
+ (!pmu_name || !strglobmatch(pmu_name, print_state->common.pmu_glob)))
+ return;
+
+ if (print_state->common.exclude_abi && pmu_type < PERF_TYPE_MAX &&
+ pmu_type != PERF_TYPE_RAW)
+ return;
+
+ if (print_state->common.event_glob &&
+ (!event_name || !strglobmatch(event_name, print_state->common.event_glob)) &&
+ (!event_alias || !strglobmatch(event_alias, print_state->common.event_glob)) &&
+ (!topic || !strglobmatch_nocase(topic, print_state->common.event_glob)))
+ return;
+
+ strbuf_init(&buf, 0);
+ fprintf(fp, "%s{\n", print_state->need_sep ? ",\n" : "");
+ print_state->need_sep = true;
+ if (pmu_name) {
+ fix_escape_fprintf(fp, &buf, "\t\"Unit\": \"%S\"", pmu_name);
+ need_sep = true;
+ }
+ if (topic) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"Topic\": \"%S\"",
+ need_sep ? ",\n" : "",
+ topic);
+ need_sep = true;
+ }
+ if (event_name) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"EventName\": \"%S\"",
+ need_sep ? ",\n" : "",
+ event_name);
+ need_sep = true;
+ }
+ if (event_alias && strlen(event_alias)) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"EventAlias\": \"%S\"",
+ need_sep ? ",\n" : "",
+ event_alias);
+ need_sep = true;
+ }
+ if (scale_unit && strlen(scale_unit)) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"ScaleUnit\": \"%S\"",
+ need_sep ? ",\n" : "",
+ scale_unit);
+ need_sep = true;
+ }
+ if (event_type_desc) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"EventType\": \"%S\"",
+ need_sep ? ",\n" : "",
+ event_type_desc);
+ need_sep = true;
+ }
+ if (deprecated) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"Deprecated\": \"%S\"",
+ need_sep ? ",\n" : "",
+ deprecated ? "1" : "0");
+ need_sep = true;
+ }
+ if (desc) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"BriefDescription\": \"%S\"",
+ need_sep ? ",\n" : "",
+ desc);
+ need_sep = true;
+ }
+ if (long_desc) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"PublicDescription\": \"%S\"",
+ need_sep ? ",\n" : "",
+ long_desc);
+ need_sep = true;
+ }
+ if (encoding_desc) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"Encoding\": \"%S\"",
+ need_sep ? ",\n" : "",
+ encoding_desc);
+ need_sep = true;
+ }
+ fprintf(fp, "%s}", need_sep ? "\n" : "");
+ strbuf_release(&buf);
+}
+
+static void json_print_metric(void *ps __maybe_unused, const char *group,
+ const char *name, const char *desc,
+ const char *long_desc, const char *expr,
+ const char *threshold, const char *unit,
+ const char *pmu_name)
+{
+ struct json_print_state *print_state = ps;
+ bool need_sep = false;
+ FILE *fp = print_state->common.fp;
+ struct strbuf buf;
+
+ if (print_state->common.event_glob &&
+ (!print_state->common.metrics || !name ||
+ !strglobmatch(name, print_state->common.event_glob)) &&
+ (!print_state->common.metricgroups || !group ||
+ !strglobmatch(group, print_state->common.event_glob)))
+ return;
+
+ strbuf_init(&buf, 0);
+ fprintf(fp, "%s{\n", print_state->need_sep ? ",\n" : "");
+ print_state->need_sep = true;
+ if (group) {
+ fix_escape_fprintf(fp, &buf, "\t\"MetricGroup\": \"%S\"", group);
+ need_sep = true;
+ }
+ if (name) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"MetricName\": \"%S\"",
+ need_sep ? ",\n" : "",
+ name);
+ need_sep = true;
+ }
+ if (expr) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"MetricExpr\": \"%S\"",
+ need_sep ? ",\n" : "",
+ expr);
+ need_sep = true;
+ }
+ if (threshold) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"MetricThreshold\": \"%S\"",
+ need_sep ? ",\n" : "",
+ threshold);
+ need_sep = true;
+ }
+ if (unit) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"ScaleUnit\": \"%S\"",
+ need_sep ? ",\n" : "",
+ unit);
+ need_sep = true;
+ }
+ if (desc) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"BriefDescription\": \"%S\"",
+ need_sep ? ",\n" : "",
+ desc);
+ need_sep = true;
+ }
+ if (long_desc) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"PublicDescription\": \"%S\"",
+ need_sep ? ",\n" : "",
+ long_desc);
+ need_sep = true;
+ }
+ if (pmu_name) {
+ fix_escape_fprintf(fp, &buf, "%s\t\"Unit\": \"%S\"",
+ need_sep ? ",\n" : "",
+ pmu_name);
+ need_sep = true;
+ }
+ fprintf(fp, "%s}", need_sep ? "\n" : "");
+ strbuf_release(&buf);
+}
+
+static bool json_skip_duplicate_pmus(void *ps __maybe_unused)
+{
+ return false;
+}
+
+static bool default_skip_duplicate_pmus(void *ps)
+{
+ struct print_state *print_state = ps;
+
+ return !print_state->long_desc;
+}
int cmd_list(int argc, const char **argv)
{
- int i;
- bool raw_dump = false;
- bool long_desc_flag = false;
+ int i, ret = 0;
+ struct print_state default_ps = {
+ .fp = stdout,
+ .desc = true,
+ };
+ struct json_print_state json_ps = {
+ .common = {
+ .fp = stdout,
+ },
+ };
+ struct print_state *ps = &default_ps;
+ struct print_callbacks print_cb = {
+ .print_start = default_print_start,
+ .print_end = default_print_end,
+ .print_event = default_print_event,
+ .print_metric = default_print_metric,
+ .skip_duplicate_pmus = default_skip_duplicate_pmus,
+ };
+ const char *cputype = NULL;
+ const char *unit_name = NULL;
+ const char *output_path = NULL;
+ bool json = false;
struct option list_options[] = {
- OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
- OPT_BOOLEAN('d', "desc", &desc_flag,
+ OPT_BOOLEAN(0, "raw-dump", &default_ps.name_only, "Dump raw events"),
+ OPT_BOOLEAN('j', "json", &json, "JSON encode events and metrics"),
+ OPT_BOOLEAN('d', "desc", &default_ps.desc,
"Print extra event descriptions. --no-desc to not print."),
- OPT_BOOLEAN('v', "long-desc", &long_desc_flag,
- "Print longer event descriptions."),
- OPT_BOOLEAN(0, "details", &details_flag,
+ OPT_BOOLEAN('v', "long-desc", &default_ps.long_desc,
+ "Print longer event descriptions and all similar PMUs with alphanumeric suffixes."),
+ OPT_BOOLEAN(0, "details", &default_ps.detailed,
"Print information on the perf event names and expressions used internally by events."),
+ OPT_STRING('o', "output", &output_path, "file", "output file name"),
+ OPT_BOOLEAN(0, "deprecated", &default_ps.deprecated,
+ "Print deprecated events."),
+ OPT_STRING(0, "cputype", &cputype, "cpu type",
+ "Limit PMU or metric printing to the given PMU (e.g. cpu, core or atom)."),
+ OPT_STRING(0, "unit", &unit_name, "PMU name",
+ "Limit PMU or metric printing to the specified PMU."),
OPT_INCR(0, "debug", &verbose,
"Enable debugging output"),
OPT_END()
};
const char * const list_usage[] = {
- "perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|event_glob]",
+#ifdef HAVE_LIBPFM
+ "perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|metric|metricgroup|event_glob|pfm]",
+#else
+ "perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|metric|metricgroup|event_glob]",
+#endif
NULL
};
set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
+ /* Hide hybrid flag for the more generic 'unit' flag. */
+ set_option_flag(list_options, 0, "cputype", PARSE_OPT_HIDDEN);
argc = parse_options(argc, argv, list_options, list_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
+ if (json)
+ ps = &json_ps.common;
+
+ if (output_path) {
+ ps->fp = fopen(output_path, "w");
+ }
+
setup_pager();
- if (!raw_dump && pager_in_use())
- printf("\nList of pre-defined events (to be used in -e):\n\n");
+ if (!default_ps.name_only)
+ setup_pager();
+
+ if (json) {
+ print_cb = (struct print_callbacks){
+ .print_start = json_print_start,
+ .print_end = json_print_end,
+ .print_event = json_print_event,
+ .print_metric = json_print_metric,
+ .skip_duplicate_pmus = json_skip_duplicate_pmus,
+ };
+ } else {
+ ps->last_topic = strdup("");
+ assert(ps->last_topic);
+ ps->visited_metrics = strlist__new(NULL, NULL);
+ assert(ps->visited_metrics);
+ if (unit_name)
+ ps->pmu_glob = strdup(unit_name);
+ else if (cputype) {
+ const struct perf_pmu *pmu = perf_pmus__pmu_for_pmu_filter(cputype);
+
+ if (!pmu) {
+ pr_err("ERROR: cputype is not supported!\n");
+ ret = -1;
+ goto out;
+ }
+ ps->pmu_glob = strdup(pmu->name);
+ }
+ }
+ print_cb.print_start(ps);
if (argc == 0) {
- print_events(NULL, raw_dump, !desc_flag, long_desc_flag,
- details_flag);
- return 0;
+ if (!unit_name) {
+ ps->metrics = true;
+ ps->metricgroups = true;
+ }
+ print_events(&print_cb, ps);
+ goto out;
}
for (i = 0; i < argc; ++i) {
char *sep, *s;
- if (strcmp(argv[i], "tracepoint") == 0)
- print_tracepoint_events(NULL, NULL, raw_dump);
- else if (strcmp(argv[i], "hw") == 0 ||
- strcmp(argv[i], "hardware") == 0)
- print_symbol_events(NULL, PERF_TYPE_HARDWARE,
- event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
- else if (strcmp(argv[i], "sw") == 0 ||
- strcmp(argv[i], "software") == 0)
- print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
- event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
- else if (strcmp(argv[i], "cache") == 0 ||
- strcmp(argv[i], "hwcache") == 0)
- print_hwcache_events(NULL, raw_dump);
- else if (strcmp(argv[i], "pmu") == 0)
- print_pmu_events(NULL, raw_dump, !desc_flag,
- long_desc_flag, details_flag);
- else if (strcmp(argv[i], "sdt") == 0)
- print_sdt_events(NULL, NULL, raw_dump);
+ if (strcmp(argv[i], "tracepoint") == 0) {
+ char *old_pmu_glob = default_ps.pmu_glob;
+
+ default_ps.pmu_glob = strdup("tracepoint");
+ if (!default_ps.pmu_glob) {
+ ret = -1;
+ goto out;
+ }
+ perf_pmus__print_pmu_events(&print_cb, ps);
+ zfree(&default_ps.pmu_glob);
+ default_ps.pmu_glob = old_pmu_glob;
+ } else if (strcmp(argv[i], "hw") == 0 ||
+ strcmp(argv[i], "hardware") == 0) {
+ char *old_event_glob = ps->event_glob;
+
+ ps->event_glob = strdup("legacy hardware");
+ if (!ps->event_glob) {
+ ret = -1;
+ goto out;
+ }
+ perf_pmus__print_pmu_events(&print_cb, ps);
+ zfree(&ps->event_glob);
+ ps->event_glob = old_event_glob;
+ } else if (strcmp(argv[i], "sw") == 0 ||
+ strcmp(argv[i], "software") == 0) {
+ char *old_pmu_glob = ps->pmu_glob;
+ static const char * const sw_globs[] = { "software", "tool" };
+
+ for (size_t j = 0; j < ARRAY_SIZE(sw_globs); j++) {
+ ps->pmu_glob = strdup(sw_globs[j]);
+ if (!ps->pmu_glob) {
+ ret = -1;
+ goto out;
+ }
+ perf_pmus__print_pmu_events(&print_cb, ps);
+ zfree(&ps->pmu_glob);
+ }
+ ps->pmu_glob = old_pmu_glob;
+ } else if (strcmp(argv[i], "cache") == 0 ||
+ strcmp(argv[i], "hwcache") == 0) {
+ char *old_event_glob = ps->event_glob;
+
+ ps->event_glob = strdup("legacy cache");
+ if (!ps->event_glob) {
+ ret = -1;
+ goto out;
+ }
+ perf_pmus__print_pmu_events(&print_cb, ps);
+ zfree(&ps->event_glob);
+ ps->event_glob = old_event_glob;
+ } else if (strcmp(argv[i], "pmu") == 0) {
+ ps->exclude_abi = true;
+ perf_pmus__print_pmu_events(&print_cb, ps);
+ ps->exclude_abi = false;
+ } else if (strcmp(argv[i], "sdt") == 0)
+ print_sdt_events(&print_cb, ps);
+ else if (strcmp(argv[i], "metric") == 0 || strcmp(argv[i], "metrics") == 0) {
+ ps->metricgroups = false;
+ ps->metrics = true;
+ metricgroup__print(&print_cb, ps);
+ } else if (strcmp(argv[i], "metricgroup") == 0 ||
+ strcmp(argv[i], "metricgroups") == 0) {
+ ps->metricgroups = true;
+ ps->metrics = false;
+ metricgroup__print(&print_cb, ps);
+ }
+#ifdef HAVE_LIBPFM
+ else if (strcmp(argv[i], "pfm") == 0)
+ print_libpfm_events(&print_cb, ps);
+#endif
else if ((sep = strchr(argv[i], ':')) != NULL) {
- int sep_idx;
+ char *old_pmu_glob = ps->pmu_glob;
+ char *old_event_glob = ps->event_glob;
- if (sep == NULL) {
- print_events(argv[i], raw_dump, !desc_flag,
- long_desc_flag,
- details_flag);
- continue;
+ ps->event_glob = strdup(argv[i]);
+ if (!ps->event_glob) {
+ ret = -1;
+ goto out;
}
- sep_idx = sep - argv[i];
- s = strdup(argv[i]);
- if (s == NULL)
- return -1;
-
- s[sep_idx] = '\0';
- print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
- print_sdt_events(s, s + sep_idx + 1, raw_dump);
- free(s);
+
+ ps->pmu_glob = strdup("tracepoint");
+ if (!ps->pmu_glob) {
+ zfree(&ps->event_glob);
+ ret = -1;
+ goto out;
+ }
+ perf_pmus__print_pmu_events(&print_cb, ps);
+ zfree(&ps->pmu_glob);
+ ps->pmu_glob = old_pmu_glob;
+ print_sdt_events(&print_cb, ps);
+ ps->metrics = true;
+ ps->metricgroups = true;
+ metricgroup__print(&print_cb, ps);
+ zfree(&ps->event_glob);
+ ps->event_glob = old_event_glob;
} else {
if (asprintf(&s, "*%s*", argv[i]) < 0) {
printf("Critical: Not enough memory! Trying to continue...\n");
continue;
}
- print_symbol_events(s, PERF_TYPE_HARDWARE,
- event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
- print_symbol_events(s, PERF_TYPE_SOFTWARE,
- event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
- print_hwcache_events(s, raw_dump);
- print_pmu_events(s, raw_dump, !desc_flag,
- long_desc_flag,
- details_flag);
- print_tracepoint_events(NULL, s, raw_dump);
- print_sdt_events(NULL, s, raw_dump);
+ ps->event_glob = s;
+ perf_pmus__print_pmu_events(&print_cb, ps);
+ print_sdt_events(&print_cb, ps);
+ ps->metrics = true;
+ ps->metricgroups = true;
+ metricgroup__print(&print_cb, ps);
free(s);
}
}
- return 0;
+
+out:
+ print_cb.print_end(ps);
+ free(ps->pmu_glob);
+ free(ps->last_topic);
+ free(ps->last_metricgroups);
+ strlist__delete(ps->visited_metrics);
+ if (output_path)
+ fclose(ps->fp);
+
+ return ret;
}
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index b686fb6759da..e8962c985d34 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -1,120 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <inttypes.h>
#include "builtin.h"
#include "perf.h"
-#include "util/evlist.h"
+#include "util/evlist.h" // for struct evsel_str_handler
#include "util/evsel.h"
-#include "util/util.h"
-#include "util/cache.h"
#include "util/symbol.h"
#include "util/thread.h"
#include "util/header.h"
+#include "util/target.h"
+#include "util/cgroup.h"
+#include "util/callchain.h"
+#include "util/lock-contention.h"
+#include "util/bpf_skel/lock_data.h"
+#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include "util/trace-event.h"
+#include "util/tracepoint.h"
#include "util/debug.h"
#include "util/session.h"
#include "util/tool.h"
#include "util/data.h"
+#include "util/string2.h"
+#include "util/map.h"
+#include "util/util.h"
+#include <stdio.h>
#include <sys/types.h>
#include <sys/prctl.h>
#include <semaphore.h>
-#include <pthread.h>
#include <math.h>
#include <limits.h>
+#include <ctype.h>
#include <linux/list.h>
#include <linux/hash.h>
+#include <linux/kernel.h>
+#include <linux/zalloc.h>
+#include <linux/err.h>
+#include <linux/stringify.h>
static struct perf_session *session;
-
-/* based on kernel/lockdep.c */
-#define LOCKHASH_BITS 12
-#define LOCKHASH_SIZE (1UL << LOCKHASH_BITS)
-
-static struct list_head lockhash_table[LOCKHASH_SIZE];
-
-#define __lockhashfn(key) hash_long((unsigned long)key, LOCKHASH_BITS)
-#define lockhashentry(key) (lockhash_table + __lockhashfn((key)))
-
-struct lock_stat {
- struct list_head hash_entry;
- struct rb_node rb; /* used for sorting */
-
- /*
- * FIXME: perf_evsel__intval() returns u64,
- * so address of lockdep_map should be dealed as 64bit.
- * Is there more better solution?
- */
- void *addr; /* address of lockdep_map, used as ID */
- char *name; /* for strcpy(), we cannot use const */
-
- unsigned int nr_acquire;
- unsigned int nr_acquired;
- unsigned int nr_contended;
- unsigned int nr_release;
-
- unsigned int nr_readlock;
- unsigned int nr_trylock;
-
- /* these times are in nano sec. */
- u64 avg_wait_time;
- u64 wait_time_total;
- u64 wait_time_min;
- u64 wait_time_max;
-
- int discard; /* flag of blacklist */
-};
-
-/*
- * States of lock_seq_stat
- *
- * UNINITIALIZED is required for detecting first event of acquire.
- * As the nature of lock events, there is no guarantee
- * that the first event for the locks are acquire,
- * it can be acquired, contended or release.
- */
-#define SEQ_STATE_UNINITIALIZED 0 /* initial state */
-#define SEQ_STATE_RELEASED 1
-#define SEQ_STATE_ACQUIRING 2
-#define SEQ_STATE_ACQUIRED 3
-#define SEQ_STATE_READ_ACQUIRED 4
-#define SEQ_STATE_CONTENDED 5
-
-/*
- * MAX_LOCK_DEPTH
- * Imported from include/linux/sched.h.
- * Should this be synchronized?
- */
-#define MAX_LOCK_DEPTH 48
-
-/*
- * struct lock_seq_stat:
- * Place to put on state of one lock sequence
- * 1) acquire -> acquired -> release
- * 2) acquire -> contended -> acquired -> release
- * 3) acquire (with read or try) -> release
- * 4) Are there other patterns?
- */
-struct lock_seq_stat {
- struct list_head list;
- int state;
- u64 prev_event_time;
- void *addr;
-
- int read_count;
-};
-
-struct thread_stat {
- struct rb_node rb;
-
- u32 tid;
- struct list_head seq_list;
-};
+static struct target target;
static struct rb_root thread_stats;
+static bool combine_locks;
+static bool show_thread_stats;
+static bool show_lock_addrs;
+static bool show_lock_owner;
+static bool show_lock_cgroups;
+static bool use_bpf;
+static unsigned long bpf_map_entries = MAX_ENTRIES;
+static int max_stack_depth = CONTENTION_STACK_DEPTH;
+static int stack_skip = CONTENTION_STACK_SKIP;
+static int print_nr_entries = INT_MAX / 2;
+static const char *output_name = NULL;
+static FILE *lock_output;
+
+static struct lock_filter filters;
+static struct lock_delay *delays;
+static int nr_delays;
+
+static enum lock_aggr_mode aggr_mode = LOCK_AGGR_ADDR;
+
static struct thread_stat *thread_stat_find(u32 tid)
{
struct rb_node *node;
@@ -234,129 +186,318 @@ struct lock_key {
* e.g. nr_acquired -> acquired, wait_time_total -> wait_total
*/
const char *name;
+ /* header: the string printed on the header line */
+ const char *header;
+ /* len: the printing width of the field */
+ int len;
+ /* key: a pointer to function to compare two lock stats for sorting */
int (*key)(struct lock_stat*, struct lock_stat*);
+ /* print: a pointer to function to print a given lock stats */
+ void (*print)(struct lock_key*, struct lock_stat*);
+ /* list: list entry to link this */
+ struct list_head list;
};
+static void lock_stat_key_print_time(unsigned long long nsec, int len)
+{
+ static const struct {
+ float base;
+ const char *unit;
+ } table[] = {
+ { 1e9 * 3600, "h " },
+ { 1e9 * 60, "m " },
+ { 1e9, "s " },
+ { 1e6, "ms" },
+ { 1e3, "us" },
+ { 0, NULL },
+ };
+
+ /* for CSV output */
+ if (len == 0) {
+ fprintf(lock_output, "%llu", nsec);
+ return;
+ }
+
+ for (int i = 0; table[i].unit; i++) {
+ if (nsec < table[i].base)
+ continue;
+
+ fprintf(lock_output, "%*.2f %s", len - 3, nsec / table[i].base, table[i].unit);
+ return;
+ }
+
+ fprintf(lock_output, "%*llu %s", len - 3, nsec, "ns");
+}
+
+#define PRINT_KEY(member) \
+static void lock_stat_key_print_ ## member(struct lock_key *key, \
+ struct lock_stat *ls) \
+{ \
+ fprintf(lock_output, "%*llu", key->len, (unsigned long long)ls->member);\
+}
+
+#define PRINT_TIME(member) \
+static void lock_stat_key_print_ ## member(struct lock_key *key, \
+ struct lock_stat *ls) \
+{ \
+ lock_stat_key_print_time((unsigned long long)ls->member, key->len); \
+}
+
+PRINT_KEY(nr_acquired)
+PRINT_KEY(nr_contended)
+PRINT_TIME(avg_wait_time)
+PRINT_TIME(wait_time_total)
+PRINT_TIME(wait_time_max)
+
+static void lock_stat_key_print_wait_time_min(struct lock_key *key,
+ struct lock_stat *ls)
+{
+ u64 wait_time = ls->wait_time_min;
+
+ if (wait_time == ULLONG_MAX)
+ wait_time = 0;
+
+ lock_stat_key_print_time(wait_time, key->len);
+}
+
+
static const char *sort_key = "acquired";
static int (*compare)(struct lock_stat *, struct lock_stat *);
+static struct rb_root sorted; /* place to store intermediate data */
static struct rb_root result; /* place to store sorted data */
-#define DEF_KEY_LOCK(name, fn_suffix) \
- { #name, lock_stat_key_ ## fn_suffix }
-struct lock_key keys[] = {
- DEF_KEY_LOCK(acquired, nr_acquired),
- DEF_KEY_LOCK(contended, nr_contended),
- DEF_KEY_LOCK(avg_wait, avg_wait_time),
- DEF_KEY_LOCK(wait_total, wait_time_total),
- DEF_KEY_LOCK(wait_min, wait_time_min),
- DEF_KEY_LOCK(wait_max, wait_time_max),
+static LIST_HEAD(lock_keys);
+static const char *output_fields;
+
+#define DEF_KEY_LOCK(name, header, fn_suffix, len) \
+ { #name, header, len, lock_stat_key_ ## fn_suffix, lock_stat_key_print_ ## fn_suffix, {} }
+static struct lock_key report_keys[] = {
+ DEF_KEY_LOCK(acquired, "acquired", nr_acquired, 10),
+ DEF_KEY_LOCK(contended, "contended", nr_contended, 10),
+ DEF_KEY_LOCK(avg_wait, "avg wait", avg_wait_time, 12),
+ DEF_KEY_LOCK(wait_total, "total wait", wait_time_total, 12),
+ DEF_KEY_LOCK(wait_max, "max wait", wait_time_max, 12),
+ DEF_KEY_LOCK(wait_min, "min wait", wait_time_min, 12),
/* extra comparisons much complicated should be here */
+ { }
+};
+
+static struct lock_key contention_keys[] = {
+ DEF_KEY_LOCK(contended, "contended", nr_contended, 10),
+ DEF_KEY_LOCK(wait_total, "total wait", wait_time_total, 12),
+ DEF_KEY_LOCK(wait_max, "max wait", wait_time_max, 12),
+ DEF_KEY_LOCK(wait_min, "min wait", wait_time_min, 12),
+ DEF_KEY_LOCK(avg_wait, "avg wait", avg_wait_time, 12),
- { NULL, NULL }
+ /* extra comparisons much complicated should be here */
+ { }
};
-static int select_key(void)
+static int select_key(bool contention)
{
int i;
+ struct lock_key *keys = report_keys;
+
+ if (contention)
+ keys = contention_keys;
for (i = 0; keys[i].name; i++) {
if (!strcmp(keys[i].name, sort_key)) {
compare = keys[i].key;
+
+ /* selected key should be in the output fields */
+ if (list_empty(&keys[i].list))
+ list_add_tail(&keys[i].list, &lock_keys);
+
return 0;
}
}
pr_err("Unknown compare key: %s\n", sort_key);
+ return -1;
+}
+
+static int add_output_field(bool contention, char *name)
+{
+ int i;
+ struct lock_key *keys = report_keys;
+
+ if (contention)
+ keys = contention_keys;
+
+ for (i = 0; keys[i].name; i++) {
+ if (strcmp(keys[i].name, name))
+ continue;
+
+ /* prevent double link */
+ if (list_empty(&keys[i].list))
+ list_add_tail(&keys[i].list, &lock_keys);
+
+ return 0;
+ }
+ pr_err("Unknown output field: %s\n", name);
return -1;
}
-static void insert_to_result(struct lock_stat *st,
- int (*bigger)(struct lock_stat *, struct lock_stat *))
+static int setup_output_field(bool contention, const char *str)
{
- struct rb_node **rb = &result.rb_node;
+ char *tok, *tmp, *orig;
+ int i, ret = 0;
+ struct lock_key *keys = report_keys;
+
+ if (contention)
+ keys = contention_keys;
+
+ /* no output field given: use all of them */
+ if (str == NULL) {
+ for (i = 0; keys[i].name; i++)
+ list_add_tail(&keys[i].list, &lock_keys);
+ return 0;
+ }
+
+ for (i = 0; keys[i].name; i++)
+ INIT_LIST_HEAD(&keys[i].list);
+
+ orig = tmp = strdup(str);
+ if (orig == NULL)
+ return -ENOMEM;
+
+ while ((tok = strsep(&tmp, ",")) != NULL){
+ ret = add_output_field(contention, tok);
+ if (ret < 0)
+ break;
+ }
+ free(orig);
+
+ return ret;
+}
+
+static void combine_lock_stats(struct lock_stat *st)
+{
+ struct rb_node **rb = &sorted.rb_node;
struct rb_node *parent = NULL;
struct lock_stat *p;
+ int ret;
while (*rb) {
p = container_of(*rb, struct lock_stat, rb);
parent = *rb;
- if (bigger(st, p))
+ if (st->name && p->name)
+ ret = strcmp(st->name, p->name);
+ else
+ ret = !!st->name - !!p->name;
+
+ if (ret == 0) {
+ p->nr_acquired += st->nr_acquired;
+ p->nr_contended += st->nr_contended;
+ p->wait_time_total += st->wait_time_total;
+
+ if (p->nr_contended)
+ p->avg_wait_time = p->wait_time_total / p->nr_contended;
+
+ if (p->wait_time_min > st->wait_time_min)
+ p->wait_time_min = st->wait_time_min;
+ if (p->wait_time_max < st->wait_time_max)
+ p->wait_time_max = st->wait_time_max;
+
+ p->broken |= st->broken;
+ st->combined = 1;
+ return;
+ }
+
+ if (ret < 0)
rb = &(*rb)->rb_left;
else
rb = &(*rb)->rb_right;
}
rb_link_node(&st->rb, parent, rb);
- rb_insert_color(&st->rb, &result);
+ rb_insert_color(&st->rb, &sorted);
}
-/* returns left most element of result, and erase it */
-static struct lock_stat *pop_from_result(void)
+static void insert_to(struct rb_root *rr, struct lock_stat *st,
+ int (*bigger)(struct lock_stat *, struct lock_stat *))
{
- struct rb_node *node = result.rb_node;
+ struct rb_node **rb = &rr->rb_node;
+ struct rb_node *parent = NULL;
+ struct lock_stat *p;
- if (!node)
- return NULL;
+ while (*rb) {
+ p = container_of(*rb, struct lock_stat, rb);
+ parent = *rb;
- while (node->rb_left)
- node = node->rb_left;
+ if (bigger(st, p))
+ rb = &(*rb)->rb_left;
+ else
+ rb = &(*rb)->rb_right;
+ }
- rb_erase(node, &result);
- return container_of(node, struct lock_stat, rb);
+ rb_link_node(&st->rb, parent, rb);
+ rb_insert_color(&st->rb, rr);
}
-static struct lock_stat *lock_stat_findnew(void *addr, const char *name)
+static inline void insert_to_result(struct lock_stat *st,
+ int (*bigger)(struct lock_stat *,
+ struct lock_stat *))
{
- struct list_head *entry = lockhashentry(addr);
- struct lock_stat *ret, *new;
+ if (combine_locks && st->combined)
+ return;
+ insert_to(&result, st, bigger);
+}
- list_for_each_entry(ret, entry, hash_entry) {
- if (ret->addr == addr)
- return ret;
- }
+static inline struct lock_stat *pop_from(struct rb_root *rr)
+{
+ struct rb_node *node = rr->rb_node;
- new = zalloc(sizeof(struct lock_stat));
- if (!new)
- goto alloc_failed;
+ if (!node)
+ return NULL;
- new->addr = addr;
- new->name = zalloc(sizeof(char) * strlen(name) + 1);
- if (!new->name) {
- free(new);
- goto alloc_failed;
- }
+ while (node->rb_left)
+ node = node->rb_left;
- strcpy(new->name, name);
- new->wait_time_min = ULLONG_MAX;
+ rb_erase(node, rr);
+ return container_of(node, struct lock_stat, rb);
- list_add(&new->hash_entry, entry);
- return new;
+}
-alloc_failed:
- pr_err("memory allocation failed\n");
- return NULL;
+/* returns left most element of result, and erase it */
+static struct lock_stat *pop_from_result(void)
+{
+ return pop_from(&result);
}
struct trace_lock_handler {
- int (*acquire_event)(struct perf_evsel *evsel,
+ /* it's used on CONFIG_LOCKDEP */
+ int (*acquire_event)(struct evsel *evsel,
struct perf_sample *sample);
- int (*acquired_event)(struct perf_evsel *evsel,
+ /* it's used on CONFIG_LOCKDEP && CONFIG_LOCK_STAT */
+ int (*acquired_event)(struct evsel *evsel,
struct perf_sample *sample);
- int (*contended_event)(struct perf_evsel *evsel,
+ /* it's used on CONFIG_LOCKDEP && CONFIG_LOCK_STAT */
+ int (*contended_event)(struct evsel *evsel,
struct perf_sample *sample);
- int (*release_event)(struct perf_evsel *evsel,
+ /* it's used on CONFIG_LOCKDEP */
+ int (*release_event)(struct evsel *evsel,
struct perf_sample *sample);
+
+ /* it's used when CONFIG_LOCKDEP is off */
+ int (*contention_begin_event)(struct evsel *evsel,
+ struct perf_sample *sample);
+
+ /* it's used when CONFIG_LOCKDEP is off */
+ int (*contention_end_event)(struct evsel *evsel,
+ struct perf_sample *sample);
};
-static struct lock_seq_stat *get_seq(struct thread_stat *ts, void *addr)
+static struct lock_seq_stat *get_seq(struct thread_stat *ts, u64 addr)
{
struct lock_seq_stat *seq;
@@ -392,24 +533,55 @@ enum acquire_flags {
READ_LOCK = 2,
};
-static int report_lock_acquire_event(struct perf_evsel *evsel,
+static int get_key_by_aggr_mode_simple(u64 *key, u64 addr, u32 tid)
+{
+ switch (aggr_mode) {
+ case LOCK_AGGR_ADDR:
+ *key = addr;
+ break;
+ case LOCK_AGGR_TASK:
+ *key = tid;
+ break;
+ case LOCK_AGGR_CALLER:
+ case LOCK_AGGR_CGROUP:
+ default:
+ pr_err("Invalid aggregation mode: %d\n", aggr_mode);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static u64 callchain_id(struct evsel *evsel, struct perf_sample *sample);
+
+static int get_key_by_aggr_mode(u64 *key, u64 addr, struct evsel *evsel,
+ struct perf_sample *sample)
+{
+ if (aggr_mode == LOCK_AGGR_CALLER) {
+ *key = callchain_id(evsel, sample);
+ return 0;
+ }
+ return get_key_by_aggr_mode_simple(key, addr, sample->tid);
+}
+
+static int report_lock_acquire_event(struct evsel *evsel,
struct perf_sample *sample)
{
- void *addr;
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
- const char *name = perf_evsel__strval(evsel, sample, "name");
- u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
- int flag = perf_evsel__intval(evsel, sample, "flag");
+ const char *name = evsel__strval(evsel, sample, "name");
+ u64 addr = evsel__intval(evsel, sample, "lockdep_addr");
+ int flag = evsel__intval(evsel, sample, "flags");
+ u64 key;
+ int ret;
- memcpy(&addr, &tmp, sizeof(void *));
+ ret = get_key_by_aggr_mode_simple(&key, addr, sample->tid);
+ if (ret < 0)
+ return ret;
- ls = lock_stat_findnew(addr, name);
+ ls = lock_stat_findnew(key, name, 0);
if (!ls)
return -ENOMEM;
- if (ls->discard)
- return 0;
ts = thread_stat_findnew(sample->tid);
if (!ts)
@@ -447,10 +619,12 @@ static int report_lock_acquire_event(struct perf_evsel *evsel,
case SEQ_STATE_ACQUIRING:
case SEQ_STATE_CONTENDED:
broken:
- /* broken lock sequence, discard it */
- ls->discard = 1;
- bad_hist[BROKEN_ACQUIRE]++;
- list_del(&seq->list);
+ /* broken lock sequence */
+ if (!ls->broken) {
+ ls->broken = 1;
+ bad_hist[BROKEN_ACQUIRE]++;
+ }
+ list_del_init(&seq->list);
free(seq);
goto end;
default:
@@ -464,24 +638,25 @@ end:
return 0;
}
-static int report_lock_acquired_event(struct perf_evsel *evsel,
+static int report_lock_acquired_event(struct evsel *evsel,
struct perf_sample *sample)
{
- void *addr;
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
u64 contended_term;
- const char *name = perf_evsel__strval(evsel, sample, "name");
- u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
+ const char *name = evsel__strval(evsel, sample, "name");
+ u64 addr = evsel__intval(evsel, sample, "lockdep_addr");
+ u64 key;
+ int ret;
- memcpy(&addr, &tmp, sizeof(void *));
+ ret = get_key_by_aggr_mode_simple(&key, addr, sample->tid);
+ if (ret < 0)
+ return ret;
- ls = lock_stat_findnew(addr, name);
+ ls = lock_stat_findnew(key, name, 0);
if (!ls)
return -ENOMEM;
- if (ls->discard)
- return 0;
ts = thread_stat_findnew(sample->tid);
if (!ts)
@@ -508,10 +683,12 @@ static int report_lock_acquired_event(struct perf_evsel *evsel,
case SEQ_STATE_RELEASED:
case SEQ_STATE_ACQUIRED:
case SEQ_STATE_READ_ACQUIRED:
- /* broken lock sequence, discard it */
- ls->discard = 1;
- bad_hist[BROKEN_ACQUIRED]++;
- list_del(&seq->list);
+ /* broken lock sequence */
+ if (!ls->broken) {
+ ls->broken = 1;
+ bad_hist[BROKEN_ACQUIRED]++;
+ }
+ list_del_init(&seq->list);
free(seq);
goto end;
default:
@@ -527,23 +704,24 @@ end:
return 0;
}
-static int report_lock_contended_event(struct perf_evsel *evsel,
+static int report_lock_contended_event(struct evsel *evsel,
struct perf_sample *sample)
{
- void *addr;
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
- const char *name = perf_evsel__strval(evsel, sample, "name");
- u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
+ const char *name = evsel__strval(evsel, sample, "name");
+ u64 addr = evsel__intval(evsel, sample, "lockdep_addr");
+ u64 key;
+ int ret;
- memcpy(&addr, &tmp, sizeof(void *));
+ ret = get_key_by_aggr_mode_simple(&key, addr, sample->tid);
+ if (ret < 0)
+ return ret;
- ls = lock_stat_findnew(addr, name);
+ ls = lock_stat_findnew(key, name, 0);
if (!ls)
return -ENOMEM;
- if (ls->discard)
- return 0;
ts = thread_stat_findnew(sample->tid);
if (!ts)
@@ -563,10 +741,12 @@ static int report_lock_contended_event(struct perf_evsel *evsel,
case SEQ_STATE_ACQUIRED:
case SEQ_STATE_READ_ACQUIRED:
case SEQ_STATE_CONTENDED:
- /* broken lock sequence, discard it */
- ls->discard = 1;
- bad_hist[BROKEN_CONTENDED]++;
- list_del(&seq->list);
+ /* broken lock sequence */
+ if (!ls->broken) {
+ ls->broken = 1;
+ bad_hist[BROKEN_CONTENDED]++;
+ }
+ list_del_init(&seq->list);
free(seq);
goto end;
default:
@@ -582,23 +762,24 @@ end:
return 0;
}
-static int report_lock_release_event(struct perf_evsel *evsel,
+static int report_lock_release_event(struct evsel *evsel,
struct perf_sample *sample)
{
- void *addr;
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
- const char *name = perf_evsel__strval(evsel, sample, "name");
- u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
+ const char *name = evsel__strval(evsel, sample, "name");
+ u64 addr = evsel__intval(evsel, sample, "lockdep_addr");
+ u64 key;
+ int ret;
- memcpy(&addr, &tmp, sizeof(void *));
+ ret = get_key_by_aggr_mode_simple(&key, addr, sample->tid);
+ if (ret < 0)
+ return ret;
- ls = lock_stat_findnew(addr, name);
+ ls = lock_stat_findnew(key, name, 0);
if (!ls)
return -ENOMEM;
- if (ls->discard)
- return 0;
ts = thread_stat_findnew(sample->tid);
if (!ts)
@@ -616,7 +797,7 @@ static int report_lock_release_event(struct perf_evsel *evsel,
case SEQ_STATE_READ_ACQUIRED:
seq->read_count--;
BUG_ON(seq->read_count < 0);
- if (!seq->read_count) {
+ if (seq->read_count) {
ls->nr_release++;
goto end;
}
@@ -624,9 +805,11 @@ static int report_lock_release_event(struct perf_evsel *evsel,
case SEQ_STATE_ACQUIRING:
case SEQ_STATE_CONTENDED:
case SEQ_STATE_RELEASED:
- /* broken lock sequence, discard it */
- ls->discard = 1;
- bad_hist[BROKEN_RELEASE]++;
+ /* broken lock sequence */
+ if (!ls->broken) {
+ ls->broken = 1;
+ bad_hist[BROKEN_RELEASE]++;
+ }
goto free_seq;
default:
BUG_ON("Unknown state of lock sequence found!\n");
@@ -635,12 +818,377 @@ static int report_lock_release_event(struct perf_evsel *evsel,
ls->nr_release++;
free_seq:
- list_del(&seq->list);
+ list_del_init(&seq->list);
free(seq);
end:
return 0;
}
+static int get_symbol_name_offset(struct map *map, struct symbol *sym, u64 ip,
+ char *buf, int size)
+{
+ u64 offset;
+
+ if (map == NULL || sym == NULL) {
+ buf[0] = '\0';
+ return 0;
+ }
+
+ offset = map__map_ip(map, ip) - sym->start;
+
+ if (offset)
+ return scnprintf(buf, size, "%s+%#lx", sym->name, offset);
+ else
+ return strlcpy(buf, sym->name, size);
+}
+static int lock_contention_caller(struct evsel *evsel, struct perf_sample *sample,
+ char *buf, int size)
+{
+ struct thread *thread;
+ struct callchain_cursor *cursor;
+ struct machine *machine = &session->machines.host;
+ struct symbol *sym;
+ int skip = 0;
+ int ret;
+
+ /* lock names will be replaced to task name later */
+ if (show_thread_stats)
+ return -1;
+
+ thread = machine__findnew_thread(machine, -1, sample->pid);
+ if (thread == NULL)
+ return -1;
+
+ cursor = get_tls_callchain_cursor();
+
+ /* use caller function name from the callchain */
+ ret = thread__resolve_callchain(thread, cursor, evsel, sample,
+ NULL, NULL, max_stack_depth);
+ if (ret != 0) {
+ thread__put(thread);
+ return -1;
+ }
+
+ callchain_cursor_commit(cursor);
+ thread__put(thread);
+
+ while (true) {
+ struct callchain_cursor_node *node;
+
+ node = callchain_cursor_current(cursor);
+ if (node == NULL)
+ break;
+
+ /* skip first few entries - for lock functions */
+ if (++skip <= stack_skip)
+ goto next;
+
+ sym = node->ms.sym;
+ if (sym && !machine__is_lock_function(machine, node->ip)) {
+ get_symbol_name_offset(node->ms.map, sym, node->ip,
+ buf, size);
+ return 0;
+ }
+
+next:
+ callchain_cursor_advance(cursor);
+ }
+ return -1;
+}
+
+static u64 callchain_id(struct evsel *evsel, struct perf_sample *sample)
+{
+ struct callchain_cursor *cursor;
+ struct machine *machine = &session->machines.host;
+ struct thread *thread;
+ u64 hash = 0;
+ int skip = 0;
+ int ret;
+
+ thread = machine__findnew_thread(machine, -1, sample->pid);
+ if (thread == NULL)
+ return -1;
+
+ cursor = get_tls_callchain_cursor();
+ /* use caller function name from the callchain */
+ ret = thread__resolve_callchain(thread, cursor, evsel, sample,
+ NULL, NULL, max_stack_depth);
+ thread__put(thread);
+
+ if (ret != 0)
+ return -1;
+
+ callchain_cursor_commit(cursor);
+
+ while (true) {
+ struct callchain_cursor_node *node;
+
+ node = callchain_cursor_current(cursor);
+ if (node == NULL)
+ break;
+
+ /* skip first few entries - for lock functions */
+ if (++skip <= stack_skip)
+ goto next;
+
+ if (node->ms.sym && machine__is_lock_function(machine, node->ip))
+ goto next;
+
+ hash ^= hash_long((unsigned long)node->ip, 64);
+
+next:
+ callchain_cursor_advance(cursor);
+ }
+ return hash;
+}
+
+static u64 *get_callstack(struct perf_sample *sample, int max_stack)
+{
+ u64 *callstack;
+ u64 i;
+ int c;
+
+ callstack = calloc(max_stack, sizeof(*callstack));
+ if (callstack == NULL)
+ return NULL;
+
+ for (i = 0, c = 0; i < sample->callchain->nr && c < max_stack; i++) {
+ u64 ip = sample->callchain->ips[i];
+
+ if (ip >= PERF_CONTEXT_MAX)
+ continue;
+
+ callstack[c++] = ip;
+ }
+ return callstack;
+}
+
+static int report_lock_contention_begin_event(struct evsel *evsel,
+ struct perf_sample *sample)
+{
+ struct lock_stat *ls;
+ struct thread_stat *ts;
+ struct lock_seq_stat *seq;
+ u64 addr = evsel__intval(evsel, sample, "lock_addr");
+ unsigned int flags = evsel__intval(evsel, sample, "flags");
+ u64 key;
+ int i, ret;
+ static bool kmap_loaded;
+ struct machine *machine = &session->machines.host;
+ struct map *kmap;
+ struct symbol *sym;
+
+ ret = get_key_by_aggr_mode(&key, addr, evsel, sample);
+ if (ret < 0)
+ return ret;
+
+ if (!kmap_loaded) {
+ unsigned long *addrs;
+
+ /* make sure it loads the kernel map to find lock symbols */
+ map__load(machine__kernel_map(machine));
+ kmap_loaded = true;
+
+ /* convert (kernel) symbols to addresses */
+ for (i = 0; i < filters.nr_syms; i++) {
+ sym = machine__find_kernel_symbol_by_name(machine,
+ filters.syms[i],
+ &kmap);
+ if (sym == NULL) {
+ pr_warning("ignore unknown symbol: %s\n",
+ filters.syms[i]);
+ continue;
+ }
+
+ addrs = realloc(filters.addrs,
+ (filters.nr_addrs + 1) * sizeof(*addrs));
+ if (addrs == NULL) {
+ pr_warning("memory allocation failure\n");
+ return -ENOMEM;
+ }
+
+ addrs[filters.nr_addrs++] = map__unmap_ip(kmap, sym->start);
+ filters.addrs = addrs;
+ }
+ }
+
+ ls = lock_stat_find(key);
+ if (!ls) {
+ char buf[128];
+ const char *name = "";
+
+ switch (aggr_mode) {
+ case LOCK_AGGR_ADDR:
+ sym = machine__find_kernel_symbol(machine, key, &kmap);
+ if (sym)
+ name = sym->name;
+ break;
+ case LOCK_AGGR_CALLER:
+ name = buf;
+ if (lock_contention_caller(evsel, sample, buf, sizeof(buf)) < 0)
+ name = "Unknown";
+ break;
+ case LOCK_AGGR_CGROUP:
+ case LOCK_AGGR_TASK:
+ default:
+ break;
+ }
+
+ ls = lock_stat_findnew(key, name, flags);
+ if (!ls)
+ return -ENOMEM;
+ }
+
+ if (filters.nr_types) {
+ bool found = false;
+
+ for (i = 0; i < filters.nr_types; i++) {
+ if (flags == filters.types[i]) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ return 0;
+ }
+
+ if (filters.nr_addrs) {
+ bool found = false;
+
+ for (i = 0; i < filters.nr_addrs; i++) {
+ if (addr == filters.addrs[i]) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ return 0;
+ }
+
+ if (needs_callstack()) {
+ u64 *callstack = get_callstack(sample, max_stack_depth);
+ if (callstack == NULL)
+ return -ENOMEM;
+
+ if (!match_callstack_filter(machine, callstack, max_stack_depth)) {
+ free(callstack);
+ return 0;
+ }
+
+ if (ls->callstack == NULL)
+ ls->callstack = callstack;
+ else
+ free(callstack);
+ }
+
+ ts = thread_stat_findnew(sample->tid);
+ if (!ts)
+ return -ENOMEM;
+
+ seq = get_seq(ts, addr);
+ if (!seq)
+ return -ENOMEM;
+
+ switch (seq->state) {
+ case SEQ_STATE_UNINITIALIZED:
+ case SEQ_STATE_ACQUIRED:
+ break;
+ case SEQ_STATE_CONTENDED:
+ /*
+ * It can have nested contention begin with mutex spinning,
+ * then we would use the original contention begin event and
+ * ignore the second one.
+ */
+ goto end;
+ case SEQ_STATE_ACQUIRING:
+ case SEQ_STATE_READ_ACQUIRED:
+ case SEQ_STATE_RELEASED:
+ /* broken lock sequence */
+ if (!ls->broken) {
+ ls->broken = 1;
+ bad_hist[BROKEN_CONTENDED]++;
+ }
+ list_del_init(&seq->list);
+ free(seq);
+ goto end;
+ default:
+ BUG_ON("Unknown state of lock sequence found!\n");
+ break;
+ }
+
+ if (seq->state != SEQ_STATE_CONTENDED) {
+ seq->state = SEQ_STATE_CONTENDED;
+ seq->prev_event_time = sample->time;
+ ls->nr_contended++;
+ }
+end:
+ return 0;
+}
+
+static int report_lock_contention_end_event(struct evsel *evsel,
+ struct perf_sample *sample)
+{
+ struct lock_stat *ls;
+ struct thread_stat *ts;
+ struct lock_seq_stat *seq;
+ u64 contended_term;
+ u64 addr = evsel__intval(evsel, sample, "lock_addr");
+ u64 key;
+ int ret;
+
+ ret = get_key_by_aggr_mode(&key, addr, evsel, sample);
+ if (ret < 0)
+ return ret;
+
+ ls = lock_stat_find(key);
+ if (!ls)
+ return 0;
+
+ ts = thread_stat_find(sample->tid);
+ if (!ts)
+ return 0;
+
+ seq = get_seq(ts, addr);
+ if (!seq)
+ return -ENOMEM;
+
+ switch (seq->state) {
+ case SEQ_STATE_UNINITIALIZED:
+ goto end;
+ case SEQ_STATE_CONTENDED:
+ contended_term = sample->time - seq->prev_event_time;
+ ls->wait_time_total += contended_term;
+ if (contended_term < ls->wait_time_min)
+ ls->wait_time_min = contended_term;
+ if (ls->wait_time_max < contended_term)
+ ls->wait_time_max = contended_term;
+ break;
+ case SEQ_STATE_ACQUIRING:
+ case SEQ_STATE_ACQUIRED:
+ case SEQ_STATE_READ_ACQUIRED:
+ case SEQ_STATE_RELEASED:
+ /* broken lock sequence */
+ if (!ls->broken) {
+ ls->broken = 1;
+ bad_hist[BROKEN_ACQUIRED]++;
+ }
+ list_del_init(&seq->list);
+ free(seq);
+ goto end;
+ default:
+ BUG_ON("Unknown state of lock sequence found!\n");
+ break;
+ }
+
+ seq->state = SEQ_STATE_ACQUIRED;
+ ls->nr_acquired++;
+ ls->avg_wait_time = ls->wait_time_total/ls->nr_acquired;
+end:
+ return 0;
+}
+
/* lock oriented handlers */
/* TODO: handlers for CPU oriented, thread oriented */
static struct trace_lock_handler report_lock_ops = {
@@ -648,87 +1196,120 @@ static struct trace_lock_handler report_lock_ops = {
.acquired_event = report_lock_acquired_event,
.contended_event = report_lock_contended_event,
.release_event = report_lock_release_event,
+ .contention_begin_event = report_lock_contention_begin_event,
+ .contention_end_event = report_lock_contention_end_event,
};
+static struct trace_lock_handler contention_lock_ops = {
+ .contention_begin_event = report_lock_contention_begin_event,
+ .contention_end_event = report_lock_contention_end_event,
+};
+
+
static struct trace_lock_handler *trace_handler;
-static int perf_evsel__process_lock_acquire(struct perf_evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_lock_acquire(struct evsel *evsel, struct perf_sample *sample)
{
if (trace_handler->acquire_event)
return trace_handler->acquire_event(evsel, sample);
return 0;
}
-static int perf_evsel__process_lock_acquired(struct perf_evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_lock_acquired(struct evsel *evsel, struct perf_sample *sample)
{
if (trace_handler->acquired_event)
return trace_handler->acquired_event(evsel, sample);
return 0;
}
-static int perf_evsel__process_lock_contended(struct perf_evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_lock_contended(struct evsel *evsel, struct perf_sample *sample)
{
if (trace_handler->contended_event)
return trace_handler->contended_event(evsel, sample);
return 0;
}
-static int perf_evsel__process_lock_release(struct perf_evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_lock_release(struct evsel *evsel, struct perf_sample *sample)
{
if (trace_handler->release_event)
return trace_handler->release_event(evsel, sample);
return 0;
}
+static int evsel__process_contention_begin(struct evsel *evsel, struct perf_sample *sample)
+{
+ if (trace_handler->contention_begin_event)
+ return trace_handler->contention_begin_event(evsel, sample);
+ return 0;
+}
+
+static int evsel__process_contention_end(struct evsel *evsel, struct perf_sample *sample)
+{
+ if (trace_handler->contention_end_event)
+ return trace_handler->contention_end_event(evsel, sample);
+ return 0;
+}
+
static void print_bad_events(int bad, int total)
{
/* Output for debug, this have to be removed */
int i;
+ int broken = 0;
const char *name[4] =
{ "acquire", "acquired", "contended", "release" };
- pr_info("\n=== output for debug===\n\n");
- pr_info("bad: %d, total: %d\n", bad, total);
- pr_info("bad rate: %.2f %%\n", (double)bad / (double)total * 100);
- pr_info("histogram of events caused bad sequence\n");
for (i = 0; i < BROKEN_MAX; i++)
- pr_info(" %10s: %d\n", name[i], bad_hist[i]);
+ broken += bad_hist[i];
+
+ if (quiet || total == 0 || (broken == 0 && verbose <= 0))
+ return;
+
+ fprintf(lock_output, "\n=== output for debug ===\n\n");
+ fprintf(lock_output, "bad: %d, total: %d\n", bad, total);
+ fprintf(lock_output, "bad rate: %.2f %%\n", (double)bad / (double)total * 100);
+ fprintf(lock_output, "histogram of events caused bad sequence\n");
+ for (i = 0; i < BROKEN_MAX; i++)
+ fprintf(lock_output, " %10s: %d\n", name[i], bad_hist[i]);
}
/* TODO: various way to print, coloring, nano or milli sec */
static void print_result(void)
{
struct lock_stat *st;
+ struct lock_key *key;
char cut_name[20];
- int bad, total;
-
- pr_info("%20s ", "Name");
- pr_info("%10s ", "acquired");
- pr_info("%10s ", "contended");
+ int bad, total, printed;
- pr_info("%15s ", "avg wait (ns)");
- pr_info("%15s ", "total wait (ns)");
- pr_info("%15s ", "max wait (ns)");
- pr_info("%15s ", "min wait (ns)");
-
- pr_info("\n\n");
+ if (!quiet) {
+ fprintf(lock_output, "%20s ", "Name");
+ list_for_each_entry(key, &lock_keys, list)
+ fprintf(lock_output, "%*s ", key->len, key->header);
+ fprintf(lock_output, "\n\n");
+ }
- bad = total = 0;
+ bad = total = printed = 0;
while ((st = pop_from_result())) {
total++;
- if (st->discard) {
+ if (st->broken)
bad++;
+ if (!st->nr_acquired)
continue;
- }
+
bzero(cut_name, 20);
- if (strlen(st->name) < 16) {
+ if (strlen(st->name) < 20) {
/* output raw name */
- pr_info("%20s ", st->name);
+ const char *name = st->name;
+
+ if (show_thread_stats) {
+ struct thread *t;
+
+ /* st->addr contains tid of thread */
+ t = perf_session__findnew(session, st->addr);
+ name = thread__comm_str(t);
+ }
+
+ fprintf(lock_output, "%20s ", name);
} else {
strncpy(cut_name, st->name, 16);
cut_name[16] = '.';
@@ -736,18 +1317,17 @@ static void print_result(void)
cut_name[18] = '.';
cut_name[19] = '\0';
/* cut off name for saving output style */
- pr_info("%20s ", cut_name);
+ fprintf(lock_output, "%20s ", cut_name);
}
- pr_info("%10u ", st->nr_acquired);
- pr_info("%10u ", st->nr_contended);
+ list_for_each_entry(key, &lock_keys, list) {
+ key->print(key, st);
+ fprintf(lock_output, " ");
+ }
+ fprintf(lock_output, "\n");
- pr_info("%15" PRIu64 " ", st->avg_wait_time);
- pr_info("%15" PRIu64 " ", st->wait_time_total);
- pr_info("%15" PRIu64 " ", st->wait_time_max);
- pr_info("%15" PRIu64 " ", st->wait_time_min == ULLONG_MAX ?
- 0 : st->wait_time_min);
- pr_info("\n");
+ if (++printed >= print_nr_entries)
+ break;
}
print_bad_events(bad, total);
@@ -761,16 +1341,31 @@ static void dump_threads(void)
struct rb_node *node;
struct thread *t;
- pr_info("%10s: comm\n", "Thread ID");
+ fprintf(lock_output, "%10s: comm\n", "Thread ID");
node = rb_first(&thread_stats);
while (node) {
st = container_of(node, struct thread_stat, rb);
t = perf_session__findnew(session, st->tid);
- pr_info("%10d: %s\n", st->tid, thread__comm_str(t));
+ fprintf(lock_output, "%10d: %s\n", st->tid, thread__comm_str(t));
node = rb_next(node);
thread__put(t);
- };
+ }
+}
+
+static int compare_maps(struct lock_stat *a, struct lock_stat *b)
+{
+ int ret;
+
+ if (a->name && b->name)
+ ret = strcmp(a->name, b->name);
+ else
+ ret = !!a->name - !!b->name;
+
+ if (!ret)
+ return a->addr < b->addr;
+ else
+ return ret < 0;
}
static void dump_map(void)
@@ -778,37 +1373,64 @@ static void dump_map(void)
unsigned int i;
struct lock_stat *st;
- pr_info("Address of instance: name of class\n");
+ fprintf(lock_output, "Address of instance: name of class\n");
for (i = 0; i < LOCKHASH_SIZE; i++) {
- list_for_each_entry(st, &lockhash_table[i], hash_entry) {
- pr_info(" %p: %s\n", st->addr, st->name);
+ hlist_for_each_entry(st, &lockhash_table[i], hash_entry) {
+ insert_to_result(st, compare_maps);
}
}
+
+ while ((st = pop_from_result()))
+ fprintf(lock_output, " %#llx: %s\n", (unsigned long long)st->addr, st->name);
}
-static int dump_info(void)
+static void dump_info(void)
{
- int rc = 0;
-
if (info_threads)
dump_threads();
- else if (info_map)
+
+ if (info_map) {
+ if (info_threads)
+ fputc('\n', lock_output);
dump_map();
- else {
- rc = -1;
- pr_err("Unknown type of information\n");
}
+}
- return rc;
+static const struct evsel_str_handler lock_tracepoints[] = {
+ { "lock:lock_acquire", evsel__process_lock_acquire, }, /* CONFIG_LOCKDEP */
+ { "lock:lock_acquired", evsel__process_lock_acquired, }, /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
+ { "lock:lock_contended", evsel__process_lock_contended, }, /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
+ { "lock:lock_release", evsel__process_lock_release, }, /* CONFIG_LOCKDEP */
+};
+
+static const struct evsel_str_handler contention_tracepoints[] = {
+ { "lock:contention_begin", evsel__process_contention_begin, },
+ { "lock:contention_end", evsel__process_contention_end, },
+};
+
+static int process_event_update(const struct perf_tool *tool,
+ union perf_event *event,
+ struct evlist **pevlist)
+{
+ int ret;
+
+ ret = perf_event__process_event_update(tool, event, pevlist);
+ if (ret < 0)
+ return ret;
+
+ /* this can return -EEXIST since we call it for each evsel */
+ perf_session__set_tracepoints_handlers(session, lock_tracepoints);
+ perf_session__set_tracepoints_handlers(session, contention_tracepoints);
+ return 0;
}
-typedef int (*tracepoint_handler)(struct perf_evsel *evsel,
+typedef int (*tracepoint_handler)(struct evsel *evsel,
struct perf_sample *sample);
-static int process_sample_event(struct perf_tool *tool __maybe_unused,
+static int process_sample_event(const struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
int err = 0;
@@ -831,69 +1453,465 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
return err;
}
+static void combine_result(void)
+{
+ unsigned int i;
+ struct lock_stat *st;
+
+ if (!combine_locks)
+ return;
+
+ for (i = 0; i < LOCKHASH_SIZE; i++) {
+ hlist_for_each_entry(st, &lockhash_table[i], hash_entry) {
+ combine_lock_stats(st);
+ }
+ }
+}
+
static void sort_result(void)
{
unsigned int i;
struct lock_stat *st;
for (i = 0; i < LOCKHASH_SIZE; i++) {
- list_for_each_entry(st, &lockhash_table[i], hash_entry) {
+ hlist_for_each_entry(st, &lockhash_table[i], hash_entry) {
insert_to_result(st, compare);
}
}
}
-static const struct perf_evsel_str_handler lock_tracepoints[] = {
- { "lock:lock_acquire", perf_evsel__process_lock_acquire, }, /* CONFIG_LOCKDEP */
- { "lock:lock_acquired", perf_evsel__process_lock_acquired, }, /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
- { "lock:lock_contended", perf_evsel__process_lock_contended, }, /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
- { "lock:lock_release", perf_evsel__process_lock_release, }, /* CONFIG_LOCKDEP */
+static const struct {
+ unsigned int flags;
+ /*
+ * Name of the lock flags (access), with delimeter ':'.
+ * For example, rwsem:R of rwsem:W.
+ */
+ const char *flags_name;
+ /* Name of the lock (type), for example, rwlock or rwsem. */
+ const char *lock_name;
+} lock_type_table[] = {
+ { 0, "semaphore", "semaphore" },
+ { LCB_F_SPIN, "spinlock", "spinlock" },
+ { LCB_F_SPIN | LCB_F_READ, "rwlock:R", "rwlock" },
+ { LCB_F_SPIN | LCB_F_WRITE, "rwlock:W", "rwlock" },
+ { LCB_F_READ, "rwsem:R", "rwsem" },
+ { LCB_F_WRITE, "rwsem:W", "rwsem" },
+ { LCB_F_RT, "rt-mutex", "rt-mutex" },
+ { LCB_F_RT | LCB_F_READ, "rwlock-rt:R", "rwlock-rt" },
+ { LCB_F_RT | LCB_F_WRITE, "rwlock-rt:W", "rwlock-rt" },
+ { LCB_F_PERCPU | LCB_F_READ, "pcpu-sem:R", "percpu-rwsem" },
+ { LCB_F_PERCPU | LCB_F_WRITE, "pcpu-sem:W", "percpu-rwsem" },
+ { LCB_F_MUTEX, "mutex", "mutex" },
+ { LCB_F_MUTEX | LCB_F_SPIN, "mutex", "mutex" },
+ /* alias for optimistic spinning only */
+ { LCB_F_MUTEX | LCB_F_SPIN, "mutex:spin", "mutex-spin" },
};
+static const char *get_type_flags_name(unsigned int flags)
+{
+ flags &= LCB_F_TYPE_MASK;
+
+ for (unsigned int i = 0; i < ARRAY_SIZE(lock_type_table); i++) {
+ if (lock_type_table[i].flags == flags)
+ return lock_type_table[i].flags_name;
+ }
+ return "unknown";
+}
+
+static const char *get_type_lock_name(unsigned int flags)
+{
+ flags &= LCB_F_TYPE_MASK;
+
+ for (unsigned int i = 0; i < ARRAY_SIZE(lock_type_table); i++) {
+ if (lock_type_table[i].flags == flags)
+ return lock_type_table[i].lock_name;
+ }
+ return "unknown";
+}
+
+static void lock_filter_finish(void)
+{
+ zfree(&filters.types);
+ filters.nr_types = 0;
+
+ zfree(&filters.addrs);
+ filters.nr_addrs = 0;
+
+ for (int i = 0; i < filters.nr_syms; i++)
+ free(filters.syms[i]);
+
+ zfree(&filters.syms);
+ filters.nr_syms = 0;
+
+ zfree(&filters.cgrps);
+ filters.nr_cgrps = 0;
+
+ for (int i = 0; i < filters.nr_slabs; i++)
+ free(filters.slabs[i]);
+
+ zfree(&filters.slabs);
+ filters.nr_slabs = 0;
+}
+
+static void sort_contention_result(void)
+{
+ sort_result();
+}
+
+static void print_header_stdio(void)
+{
+ struct lock_key *key;
+
+ list_for_each_entry(key, &lock_keys, list)
+ fprintf(lock_output, "%*s ", key->len, key->header);
+
+ switch (aggr_mode) {
+ case LOCK_AGGR_TASK:
+ fprintf(lock_output, " %10s %s\n\n", "pid",
+ show_lock_owner ? "owner" : "comm");
+ break;
+ case LOCK_AGGR_CALLER:
+ fprintf(lock_output, " %10s %s\n\n", "type", "caller");
+ break;
+ case LOCK_AGGR_ADDR:
+ fprintf(lock_output, " %16s %s\n\n", "address", "symbol");
+ break;
+ case LOCK_AGGR_CGROUP:
+ fprintf(lock_output, " %s\n\n", "cgroup");
+ break;
+ default:
+ break;
+ }
+}
+
+static void print_header_csv(const char *sep)
+{
+ struct lock_key *key;
+
+ fprintf(lock_output, "# output: ");
+ list_for_each_entry(key, &lock_keys, list)
+ fprintf(lock_output, "%s%s ", key->header, sep);
+
+ switch (aggr_mode) {
+ case LOCK_AGGR_TASK:
+ fprintf(lock_output, "%s%s %s\n", "pid", sep,
+ show_lock_owner ? "owner" : "comm");
+ break;
+ case LOCK_AGGR_CALLER:
+ fprintf(lock_output, "%s%s %s", "type", sep, "caller");
+ if (verbose > 0)
+ fprintf(lock_output, "%s %s", sep, "stacktrace");
+ fprintf(lock_output, "\n");
+ break;
+ case LOCK_AGGR_ADDR:
+ fprintf(lock_output, "%s%s %s%s %s\n", "address", sep, "symbol", sep, "type");
+ break;
+ case LOCK_AGGR_CGROUP:
+ fprintf(lock_output, "%s\n", "cgroup");
+ break;
+ default:
+ break;
+ }
+}
+
+static void print_header(void)
+{
+ if (!quiet) {
+ if (symbol_conf.field_sep)
+ print_header_csv(symbol_conf.field_sep);
+ else
+ print_header_stdio();
+ }
+}
+
+static void print_lock_stat_stdio(struct lock_contention *con, struct lock_stat *st)
+{
+ struct lock_key *key;
+ struct thread *t;
+ int pid;
+
+ list_for_each_entry(key, &lock_keys, list) {
+ key->print(key, st);
+ fprintf(lock_output, " ");
+ }
+
+ switch (aggr_mode) {
+ case LOCK_AGGR_CALLER:
+ fprintf(lock_output, " %10s %s\n", get_type_flags_name(st->flags), st->name);
+ break;
+ case LOCK_AGGR_TASK:
+ pid = st->addr;
+ t = perf_session__findnew(session, pid);
+ fprintf(lock_output, " %10d %s\n",
+ pid, pid == -1 ? "Unknown" : thread__comm_str(t));
+ break;
+ case LOCK_AGGR_ADDR:
+ fprintf(lock_output, " %016llx %s (%s)\n", (unsigned long long)st->addr,
+ st->name, get_type_lock_name(st->flags));
+ break;
+ case LOCK_AGGR_CGROUP:
+ fprintf(lock_output, " %s\n", st->name);
+ break;
+ default:
+ break;
+ }
+
+ if (aggr_mode == LOCK_AGGR_CALLER && verbose > 0) {
+ struct map *kmap;
+ struct symbol *sym;
+ char buf[128];
+ u64 ip;
+
+ for (int i = 0; i < max_stack_depth; i++) {
+ if (!st->callstack || !st->callstack[i])
+ break;
+
+ ip = st->callstack[i];
+ sym = machine__find_kernel_symbol(con->machine, ip, &kmap);
+ get_symbol_name_offset(kmap, sym, ip, buf, sizeof(buf));
+ fprintf(lock_output, "\t\t\t%#lx %s\n", (unsigned long)ip, buf);
+ }
+ }
+}
+
+static void print_lock_stat_csv(struct lock_contention *con, struct lock_stat *st,
+ const char *sep)
+{
+ struct lock_key *key;
+ struct thread *t;
+ int pid;
+
+ list_for_each_entry(key, &lock_keys, list) {
+ key->print(key, st);
+ fprintf(lock_output, "%s ", sep);
+ }
+
+ switch (aggr_mode) {
+ case LOCK_AGGR_CALLER:
+ fprintf(lock_output, "%s%s %s", get_type_flags_name(st->flags), sep, st->name);
+ if (verbose <= 0)
+ fprintf(lock_output, "\n");
+ break;
+ case LOCK_AGGR_TASK:
+ pid = st->addr;
+ t = perf_session__findnew(session, pid);
+ fprintf(lock_output, "%d%s %s\n", pid, sep,
+ pid == -1 ? "Unknown" : thread__comm_str(t));
+ break;
+ case LOCK_AGGR_ADDR:
+ fprintf(lock_output, "%llx%s %s%s %s\n", (unsigned long long)st->addr, sep,
+ st->name, sep, get_type_lock_name(st->flags));
+ break;
+ case LOCK_AGGR_CGROUP:
+ fprintf(lock_output, "%s\n",st->name);
+ break;
+ default:
+ break;
+ }
+
+ if (aggr_mode == LOCK_AGGR_CALLER && verbose > 0) {
+ struct map *kmap;
+ struct symbol *sym;
+ char buf[128];
+ u64 ip;
+
+ for (int i = 0; i < max_stack_depth; i++) {
+ if (!st->callstack || !st->callstack[i])
+ break;
+
+ ip = st->callstack[i];
+ sym = machine__find_kernel_symbol(con->machine, ip, &kmap);
+ get_symbol_name_offset(kmap, sym, ip, buf, sizeof(buf));
+ fprintf(lock_output, "%s %#lx %s", i ? ":" : sep, (unsigned long) ip, buf);
+ }
+ fprintf(lock_output, "\n");
+ }
+}
+
+static void print_lock_stat(struct lock_contention *con, struct lock_stat *st)
+{
+ if (symbol_conf.field_sep)
+ print_lock_stat_csv(con, st, symbol_conf.field_sep);
+ else
+ print_lock_stat_stdio(con, st);
+}
+
+static void print_footer_stdio(int total, int bad, struct lock_contention_fails *fails)
+{
+ /* Output for debug, this have to be removed */
+ int broken = fails->task + fails->stack + fails->time + fails->data;
+
+ if (!use_bpf)
+ print_bad_events(bad, total);
+
+ if (quiet || total == 0 || (broken == 0 && verbose <= 0))
+ return;
+
+ total += broken;
+ fprintf(lock_output, "\n=== output for debug ===\n\n");
+ fprintf(lock_output, "bad: %d, total: %d\n", broken, total);
+ fprintf(lock_output, "bad rate: %.2f %%\n", 100.0 * broken / total);
+
+ fprintf(lock_output, "histogram of failure reasons\n");
+ fprintf(lock_output, " %10s: %d\n", "task", fails->task);
+ fprintf(lock_output, " %10s: %d\n", "stack", fails->stack);
+ fprintf(lock_output, " %10s: %d\n", "time", fails->time);
+ fprintf(lock_output, " %10s: %d\n", "data", fails->data);
+}
+
+static void print_footer_csv(int total, int bad, struct lock_contention_fails *fails,
+ const char *sep)
+{
+ /* Output for debug, this have to be removed */
+ if (use_bpf)
+ bad = fails->task + fails->stack + fails->time + fails->data;
+
+ if (quiet || total == 0 || (bad == 0 && verbose <= 0))
+ return;
+
+ total += bad;
+ fprintf(lock_output, "# debug: total=%d%s bad=%d", total, sep, bad);
+
+ if (use_bpf) {
+ fprintf(lock_output, "%s bad_%s=%d", sep, "task", fails->task);
+ fprintf(lock_output, "%s bad_%s=%d", sep, "stack", fails->stack);
+ fprintf(lock_output, "%s bad_%s=%d", sep, "time", fails->time);
+ fprintf(lock_output, "%s bad_%s=%d", sep, "data", fails->data);
+ } else {
+ int i;
+ const char *name[4] = { "acquire", "acquired", "contended", "release" };
+
+ for (i = 0; i < BROKEN_MAX; i++)
+ fprintf(lock_output, "%s bad_%s=%d", sep, name[i], bad_hist[i]);
+ }
+ fprintf(lock_output, "\n");
+}
+
+static void print_footer(int total, int bad, struct lock_contention_fails *fails)
+{
+ if (symbol_conf.field_sep)
+ print_footer_csv(total, bad, fails, symbol_conf.field_sep);
+ else
+ print_footer_stdio(total, bad, fails);
+}
+
+static void print_contention_result(struct lock_contention *con)
+{
+ struct lock_stat *st;
+ int bad, total, printed;
+
+ if (!quiet)
+ print_header();
+
+ bad = total = printed = 0;
+
+ while ((st = pop_from_result())) {
+ total += use_bpf ? st->nr_contended : 1;
+ if (st->broken)
+ bad++;
+
+ if (!st->wait_time_total)
+ continue;
+
+ print_lock_stat(con, st);
+
+ if (++printed >= print_nr_entries)
+ break;
+ }
+
+ if (con->owner && con->save_callstack && verbose > 0) {
+ struct rb_root root = RB_ROOT;
+
+ if (symbol_conf.field_sep)
+ fprintf(lock_output, "# owner stack trace:\n");
+ else
+ fprintf(lock_output, "\n=== owner stack trace ===\n\n");
+ while ((st = pop_owner_stack_trace(con)))
+ insert_to(&root, st, compare);
+
+ while ((st = pop_from(&root))) {
+ print_lock_stat(con, st);
+ free(st);
+ }
+ }
+
+ if (print_nr_entries) {
+ /* update the total/bad stats */
+ while ((st = pop_from_result())) {
+ total += use_bpf ? st->nr_contended : 1;
+ if (st->broken)
+ bad++;
+ }
+ }
+ /* some entries are collected but hidden by the callstack filter */
+ total += con->nr_filtered;
+
+ print_footer(total, bad, &con->fails);
+}
+
static bool force;
static int __cmd_report(bool display_info)
{
int err = -EINVAL;
- struct perf_tool eops = {
- .sample = process_sample_event,
- .comm = perf_event__process_comm,
- .namespaces = perf_event__process_namespaces,
- .ordered_events = true,
- };
- struct perf_data_file file = {
- .path = input_name,
- .mode = PERF_DATA_MODE_READ,
+ struct perf_tool eops;
+ struct perf_data data = {
+ .path = input_name,
+ .mode = PERF_DATA_MODE_READ,
.force = force,
};
- session = perf_session__new(&file, false, &eops);
- if (!session) {
+ perf_tool__init(&eops, /*ordered_events=*/true);
+ eops.attr = perf_event__process_attr;
+ eops.event_update = process_event_update;
+ eops.sample = process_sample_event;
+ eops.comm = perf_event__process_comm;
+ eops.mmap = perf_event__process_mmap;
+ eops.mmap2 = perf_event__process_mmap2;
+ eops.namespaces = perf_event__process_namespaces;
+ eops.tracing_data = perf_event__process_tracing_data;
+ session = perf_session__new(&data, &eops);
+ if (IS_ERR(session)) {
pr_err("Initializing perf session failed\n");
- return -1;
+ return PTR_ERR(session);
}
- symbol__init(&session->header.env);
+ symbol_conf.allow_aliases = true;
+ symbol__init(perf_session__env(session));
- if (!perf_session__has_traces(session, "lock record"))
- goto out_delete;
+ if (!data.is_pipe) {
+ if (!perf_session__has_traces(session, "lock record"))
+ goto out_delete;
- if (perf_session__set_tracepoints_handlers(session, lock_tracepoints)) {
- pr_err("Initializing perf session tracepoint handlers failed\n");
- goto out_delete;
+ if (perf_session__set_tracepoints_handlers(session, lock_tracepoints)) {
+ pr_err("Initializing perf session tracepoint handlers failed\n");
+ goto out_delete;
+ }
+
+ if (perf_session__set_tracepoints_handlers(session, contention_tracepoints)) {
+ pr_err("Initializing perf session tracepoint handlers failed\n");
+ goto out_delete;
+ }
}
- if (select_key())
+ if (setup_output_field(false, output_fields))
+ goto out_delete;
+
+ if (select_key(false))
goto out_delete;
+ if (show_thread_stats)
+ aggr_mode = LOCK_AGGR_TASK;
+
err = perf_session__process_events(session);
if (err)
goto out_delete;
setup_pager();
if (display_info) /* used for info subcommand */
- err = dump_info();
+ dump_info();
else {
+ combine_result();
sort_result();
print_result();
}
@@ -903,39 +1921,304 @@ out_delete:
return err;
}
+static void sighandler(int sig __maybe_unused)
+{
+}
+
+static int check_lock_contention_options(const struct option *options,
+ const char * const *usage)
+
+{
+ if (show_thread_stats && show_lock_addrs) {
+ pr_err("Cannot use thread and addr mode together\n");
+ parse_options_usage(usage, options, "threads", 0);
+ parse_options_usage(NULL, options, "lock-addr", 0);
+ return -1;
+ }
+
+ if (show_lock_owner && !use_bpf) {
+ pr_err("Lock owners are available only with BPF\n");
+ parse_options_usage(usage, options, "lock-owner", 0);
+ parse_options_usage(NULL, options, "use-bpf", 0);
+ return -1;
+ }
+
+ if (show_lock_owner && show_lock_addrs) {
+ pr_err("Cannot use owner and addr mode together\n");
+ parse_options_usage(usage, options, "lock-owner", 0);
+ parse_options_usage(NULL, options, "lock-addr", 0);
+ return -1;
+ }
+
+ if (show_lock_cgroups && !use_bpf) {
+ pr_err("Cgroups are available only with BPF\n");
+ parse_options_usage(usage, options, "lock-cgroup", 0);
+ parse_options_usage(NULL, options, "use-bpf", 0);
+ return -1;
+ }
+
+ if (show_lock_cgroups && show_lock_addrs) {
+ pr_err("Cannot use cgroup and addr mode together\n");
+ parse_options_usage(usage, options, "lock-cgroup", 0);
+ parse_options_usage(NULL, options, "lock-addr", 0);
+ return -1;
+ }
+
+ if (show_lock_cgroups && show_thread_stats) {
+ pr_err("Cannot use cgroup and thread mode together\n");
+ parse_options_usage(usage, options, "lock-cgroup", 0);
+ parse_options_usage(NULL, options, "threads", 0);
+ return -1;
+ }
+
+ if (symbol_conf.field_sep) {
+ if (strstr(symbol_conf.field_sep, ":") || /* part of type flags */
+ strstr(symbol_conf.field_sep, "+") || /* part of caller offset */
+ strstr(symbol_conf.field_sep, ".")) { /* can be in a symbol name */
+ pr_err("Cannot use the separator that is already used\n");
+ parse_options_usage(usage, options, "x", 1);
+ return -1;
+ }
+ }
+
+ if (show_lock_owner && !show_thread_stats) {
+ pr_warning("Now -o try to show owner's callstack instead of pid and comm.\n");
+ pr_warning("Please use -t option too to keep the old behavior.\n");
+ }
+
+ return 0;
+}
+
+static int __cmd_contention(int argc, const char **argv)
+{
+ int err = -EINVAL;
+ struct perf_tool eops;
+ struct perf_data data = {
+ .path = input_name,
+ .mode = PERF_DATA_MODE_READ,
+ .force = force,
+ };
+ struct lock_contention con = {
+ .target = &target,
+ .map_nr_entries = bpf_map_entries,
+ .max_stack = max_stack_depth,
+ .stack_skip = stack_skip,
+ .filters = &filters,
+ .delays = delays,
+ .nr_delays = nr_delays,
+ .save_callstack = needs_callstack(),
+ .owner = show_lock_owner,
+ .cgroups = RB_ROOT,
+ };
+ struct perf_env host_env;
+
+ lockhash_table = calloc(LOCKHASH_SIZE, sizeof(*lockhash_table));
+ if (!lockhash_table)
+ return -ENOMEM;
+
+ con.result = &lockhash_table[0];
+
+ perf_tool__init(&eops, /*ordered_events=*/true);
+ eops.attr = perf_event__process_attr;
+ eops.event_update = process_event_update;
+ eops.sample = process_sample_event;
+ eops.comm = perf_event__process_comm;
+ eops.mmap = perf_event__process_mmap;
+ eops.mmap2 = perf_event__process_mmap2;
+ eops.tracing_data = perf_event__process_tracing_data;
+
+ perf_env__init(&host_env);
+ session = __perf_session__new(use_bpf ? NULL : &data, &eops,
+ /*trace_event_repipe=*/false, &host_env);
+
+ if (IS_ERR(session)) {
+ pr_err("Initializing perf session failed\n");
+ err = PTR_ERR(session);
+ session = NULL;
+ goto out_delete;
+ }
+
+ con.machine = &session->machines.host;
+
+ con.aggr_mode = aggr_mode = show_thread_stats ? LOCK_AGGR_TASK :
+ show_lock_addrs ? LOCK_AGGR_ADDR :
+ show_lock_cgroups ? LOCK_AGGR_CGROUP : LOCK_AGGR_CALLER;
+
+ if (con.aggr_mode == LOCK_AGGR_CALLER)
+ con.save_callstack = true;
+
+ symbol_conf.allow_aliases = true;
+ symbol__init(perf_session__env(session));
+
+ if (use_bpf) {
+ err = target__validate(&target);
+ if (err) {
+ char errbuf[512];
+
+ target__strerror(&target, err, errbuf, 512);
+ pr_err("%s\n", errbuf);
+ goto out_delete;
+ }
+
+ signal(SIGINT, sighandler);
+ signal(SIGCHLD, sighandler);
+ signal(SIGTERM, sighandler);
+
+ con.evlist = evlist__new();
+ if (con.evlist == NULL) {
+ err = -ENOMEM;
+ goto out_delete;
+ }
+
+ err = evlist__create_maps(con.evlist, &target);
+ if (err < 0)
+ goto out_delete;
+
+ if (argc) {
+ err = evlist__prepare_workload(con.evlist, &target,
+ argv, false, NULL);
+ if (err < 0)
+ goto out_delete;
+ }
+
+ err = lock_contention_prepare(&con);
+ if (err < 0) {
+ pr_err("lock contention BPF setup failed\n");
+ goto out_delete;
+ }
+ } else if (!data.is_pipe) {
+ if (!perf_session__has_traces(session, "lock record"))
+ goto out_delete;
+
+ if (!evlist__find_evsel_by_str(session->evlist,
+ "lock:contention_begin")) {
+ pr_err("lock contention evsel not found\n");
+ goto out_delete;
+ }
+
+ if (perf_session__set_tracepoints_handlers(session,
+ contention_tracepoints)) {
+ pr_err("Initializing perf session tracepoint handlers failed\n");
+ goto out_delete;
+ }
+ }
+
+ err = setup_output_field(true, output_fields);
+ if (err) {
+ pr_err("Failed to setup output field\n");
+ goto out_delete;
+ }
+
+ err = select_key(true);
+ if (err)
+ goto out_delete;
+
+ if (symbol_conf.field_sep) {
+ int i;
+ struct lock_key *keys = contention_keys;
+
+ /* do not align output in CSV format */
+ for (i = 0; keys[i].name; i++)
+ keys[i].len = 0;
+ }
+
+ if (use_bpf) {
+ lock_contention_start();
+ if (argc)
+ evlist__start_workload(con.evlist);
+
+ /* wait for signal */
+ pause();
+
+ lock_contention_stop();
+ lock_contention_read(&con);
+ } else {
+ err = perf_session__process_events(session);
+ if (err)
+ goto out_delete;
+ }
+
+ setup_pager();
+
+ sort_contention_result();
+ print_contention_result(&con);
+
+out_delete:
+ lock_filter_finish();
+ evlist__delete(con.evlist);
+ lock_contention_finish(&con);
+ perf_session__delete(session);
+ perf_env__exit(&host_env);
+ zfree(&lockhash_table);
+ return err;
+}
+
+
static int __cmd_record(int argc, const char **argv)
{
const char *record_args[] = {
- "record", "-R", "-m", "1024", "-c", "1",
+ "record", "-R", "-m", "1024", "-c", "1", "--synth", "task",
+ };
+ const char *callgraph_args[] = {
+ "--call-graph", "fp," __stringify(CONTENTION_STACK_DEPTH),
};
unsigned int rec_argc, i, j, ret;
+ unsigned int nr_tracepoints;
+ unsigned int nr_callgraph_args = 0;
const char **rec_argv;
+ bool has_lock_stat = true;
for (i = 0; i < ARRAY_SIZE(lock_tracepoints); i++) {
if (!is_valid_tracepoint(lock_tracepoints[i].name)) {
- pr_err("tracepoint %s is not enabled. "
- "Are CONFIG_LOCKDEP and CONFIG_LOCK_STAT enabled?\n",
- lock_tracepoints[i].name);
- return 1;
+ pr_debug("tracepoint %s is not enabled. "
+ "Are CONFIG_LOCKDEP and CONFIG_LOCK_STAT enabled?\n",
+ lock_tracepoints[i].name);
+ has_lock_stat = false;
+ break;
}
}
- rec_argc = ARRAY_SIZE(record_args) + argc - 1;
+ if (has_lock_stat)
+ goto setup_args;
+
+ for (i = 0; i < ARRAY_SIZE(contention_tracepoints); i++) {
+ if (!is_valid_tracepoint(contention_tracepoints[i].name)) {
+ pr_err("tracepoint %s is not enabled.\n",
+ contention_tracepoints[i].name);
+ return 1;
+ }
+ }
+
+ nr_callgraph_args = ARRAY_SIZE(callgraph_args);
+
+setup_args:
+ rec_argc = ARRAY_SIZE(record_args) + nr_callgraph_args + argc - 1;
+
+ if (has_lock_stat)
+ nr_tracepoints = ARRAY_SIZE(lock_tracepoints);
+ else
+ nr_tracepoints = ARRAY_SIZE(contention_tracepoints);
+
/* factor of 2 is for -e in front of each tracepoint */
- rec_argc += 2 * ARRAY_SIZE(lock_tracepoints);
+ rec_argc += 2 * nr_tracepoints;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (!rec_argv)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(record_args); i++)
- rec_argv[i] = strdup(record_args[i]);
+ rec_argv[i] = record_args[i];
- for (j = 0; j < ARRAY_SIZE(lock_tracepoints); j++) {
+ for (j = 0; j < nr_tracepoints; j++) {
rec_argv[i++] = "-e";
- rec_argv[i++] = strdup(lock_tracepoints[j].name);
+ rec_argv[i++] = has_lock_stat
+ ? lock_tracepoints[j].name
+ : contention_tracepoints[j].name;
}
+ for (j = 0; j < nr_callgraph_args; j++, i++)
+ rec_argv[i] = callgraph_args[j];
+
for (j = 1; j < (unsigned int)argc; j++, i++)
rec_argv[i] = argv[j];
@@ -946,28 +2229,443 @@ static int __cmd_record(int argc, const char **argv)
return ret;
}
+static int parse_map_entry(const struct option *opt, const char *str,
+ int unset __maybe_unused)
+{
+ unsigned long *len = (unsigned long *)opt->value;
+ unsigned long val;
+ char *endptr;
+
+ errno = 0;
+ val = strtoul(str, &endptr, 0);
+ if (*endptr != '\0' || errno != 0) {
+ pr_err("invalid BPF map length: %s\n", str);
+ return -1;
+ }
+
+ *len = val;
+ return 0;
+}
+
+static int parse_max_stack(const struct option *opt, const char *str,
+ int unset __maybe_unused)
+{
+ unsigned long *len = (unsigned long *)opt->value;
+ long val;
+ char *endptr;
+
+ errno = 0;
+ val = strtol(str, &endptr, 0);
+ if (*endptr != '\0' || errno != 0) {
+ pr_err("invalid max stack depth: %s\n", str);
+ return -1;
+ }
+
+ if (val < 0 || val > sysctl__max_stack()) {
+ pr_err("invalid max stack depth: %ld\n", val);
+ return -1;
+ }
+
+ *len = val;
+ return 0;
+}
+
+static bool add_lock_type(unsigned int flags)
+{
+ unsigned int *tmp;
+
+ tmp = realloc(filters.types, (filters.nr_types + 1) * sizeof(*filters.types));
+ if (tmp == NULL)
+ return false;
+
+ tmp[filters.nr_types++] = flags;
+ filters.types = tmp;
+ return true;
+}
+
+static int parse_lock_type(const struct option *opt __maybe_unused, const char *str,
+ int unset __maybe_unused)
+{
+ char *s, *tmp, *tok;
+
+ s = strdup(str);
+ if (s == NULL)
+ return -1;
+
+ for (tok = strtok_r(s, ", ", &tmp); tok; tok = strtok_r(NULL, ", ", &tmp)) {
+ bool found = false;
+
+ /* `tok` is a flags name if it contains ':'. */
+ if (strchr(tok, ':')) {
+ for (unsigned int i = 0; i < ARRAY_SIZE(lock_type_table); i++) {
+ if (!strcmp(lock_type_table[i].flags_name, tok) &&
+ add_lock_type(lock_type_table[i].flags)) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ pr_err("Unknown lock flags name: %s\n", tok);
+ free(s);
+ return -1;
+ }
+
+ continue;
+ }
+
+ /*
+ * Otherwise `tok` is a lock name.
+ * Single lock name could contain multiple flags.
+ * Replace alias `pcpu-sem` with actual name `percpu-rwsem.
+ */
+ if (!strcmp(tok, "pcpu-sem"))
+ tok = (char *)"percpu-rwsem";
+ for (unsigned int i = 0; i < ARRAY_SIZE(lock_type_table); i++) {
+ if (!strcmp(lock_type_table[i].lock_name, tok)) {
+ if (add_lock_type(lock_type_table[i].flags)) {
+ found = true;
+ } else {
+ free(s);
+ return -1;
+ }
+ }
+ }
+
+ if (!found) {
+ pr_err("Unknown lock name: %s\n", tok);
+ free(s);
+ return -1;
+ }
+
+ }
+
+ free(s);
+ return 0;
+}
+
+static bool add_lock_addr(unsigned long addr)
+{
+ unsigned long *tmp;
+
+ tmp = realloc(filters.addrs, (filters.nr_addrs + 1) * sizeof(*filters.addrs));
+ if (tmp == NULL) {
+ pr_err("Memory allocation failure\n");
+ return false;
+ }
+
+ tmp[filters.nr_addrs++] = addr;
+ filters.addrs = tmp;
+ return true;
+}
+
+static bool add_lock_sym(char *name)
+{
+ char **tmp;
+ char *sym = strdup(name);
+
+ if (sym == NULL) {
+ pr_err("Memory allocation failure\n");
+ return false;
+ }
+
+ tmp = realloc(filters.syms, (filters.nr_syms + 1) * sizeof(*filters.syms));
+ if (tmp == NULL) {
+ pr_err("Memory allocation failure\n");
+ free(sym);
+ return false;
+ }
+
+ tmp[filters.nr_syms++] = sym;
+ filters.syms = tmp;
+ return true;
+}
+
+static bool add_lock_slab(char *name)
+{
+ char **tmp;
+ char *sym = strdup(name);
+
+ if (sym == NULL) {
+ pr_err("Memory allocation failure\n");
+ return false;
+ }
+
+ tmp = realloc(filters.slabs, (filters.nr_slabs + 1) * sizeof(*filters.slabs));
+ if (tmp == NULL) {
+ pr_err("Memory allocation failure\n");
+ return false;
+ }
+
+ tmp[filters.nr_slabs++] = sym;
+ filters.slabs = tmp;
+ return true;
+}
+
+static int parse_lock_addr(const struct option *opt __maybe_unused, const char *str,
+ int unset __maybe_unused)
+{
+ char *s, *tmp, *tok;
+ int ret = 0;
+ u64 addr;
+
+ s = strdup(str);
+ if (s == NULL)
+ return -1;
+
+ for (tok = strtok_r(s, ", ", &tmp); tok; tok = strtok_r(NULL, ", ", &tmp)) {
+ char *end;
+
+ addr = strtoul(tok, &end, 16);
+ if (*end == '\0') {
+ if (!add_lock_addr(addr)) {
+ ret = -1;
+ break;
+ }
+ continue;
+ }
+
+ if (*tok == '&') {
+ if (!add_lock_slab(tok + 1)) {
+ ret = -1;
+ break;
+ }
+ continue;
+ }
+
+ /*
+ * At this moment, we don't have kernel symbols. Save the symbols
+ * in a separate list and resolve them to addresses later.
+ */
+ if (!add_lock_sym(tok)) {
+ ret = -1;
+ break;
+ }
+ }
+
+ free(s);
+ return ret;
+}
+
+static int parse_output(const struct option *opt __maybe_unused, const char *str,
+ int unset __maybe_unused)
+{
+ const char **name = (const char **)opt->value;
+
+ if (str == NULL)
+ return -1;
+
+ lock_output = fopen(str, "w");
+ if (lock_output == NULL) {
+ pr_err("Cannot open %s\n", str);
+ return -1;
+ }
+
+ *name = str;
+ return 0;
+}
+
+static bool add_lock_cgroup(char *name)
+{
+ u64 *tmp;
+ struct cgroup *cgrp;
+
+ cgrp = cgroup__new(name, /*do_open=*/false);
+ if (cgrp == NULL) {
+ pr_err("Failed to create cgroup: %s\n", name);
+ return false;
+ }
+
+ if (read_cgroup_id(cgrp) < 0) {
+ pr_err("Failed to read cgroup id for %s\n", name);
+ cgroup__put(cgrp);
+ return false;
+ }
+
+ tmp = realloc(filters.cgrps, (filters.nr_cgrps + 1) * sizeof(*filters.cgrps));
+ if (tmp == NULL) {
+ pr_err("Memory allocation failure\n");
+ return false;
+ }
+
+ tmp[filters.nr_cgrps++] = cgrp->id;
+ filters.cgrps = tmp;
+ cgroup__put(cgrp);
+ return true;
+}
+
+static int parse_cgroup_filter(const struct option *opt __maybe_unused, const char *str,
+ int unset __maybe_unused)
+{
+ char *s, *tmp, *tok;
+ int ret = 0;
+
+ s = strdup(str);
+ if (s == NULL)
+ return -1;
+
+ for (tok = strtok_r(s, ", ", &tmp); tok; tok = strtok_r(NULL, ", ", &tmp)) {
+ if (!add_lock_cgroup(tok)) {
+ ret = -1;
+ break;
+ }
+ }
+
+ free(s);
+ return ret;
+}
+
+static bool add_lock_delay(char *spec)
+{
+ char *at, *pos;
+ struct lock_delay *tmp;
+ unsigned long duration;
+
+ at = strchr(spec, '@');
+ if (at == NULL) {
+ pr_err("lock delay should have '@' sign: %s\n", spec);
+ return false;
+ }
+ if (at == spec) {
+ pr_err("lock delay should have time before '@': %s\n", spec);
+ return false;
+ }
+
+ *at = '\0';
+ duration = strtoul(spec, &pos, 0);
+ if (!strcmp(pos, "ns"))
+ duration *= 1;
+ else if (!strcmp(pos, "us"))
+ duration *= 1000;
+ else if (!strcmp(pos, "ms"))
+ duration *= 1000 * 1000;
+ else if (*pos) {
+ pr_err("invalid delay time: %s@%s\n", spec, at + 1);
+ return false;
+ }
+
+ if (duration > 10 * 1000 * 1000) {
+ pr_err("lock delay is too long: %s (> 10ms)\n", spec);
+ return false;
+ }
+
+ tmp = realloc(delays, (nr_delays + 1) * sizeof(*delays));
+ if (tmp == NULL) {
+ pr_err("Memory allocation failure\n");
+ return false;
+ }
+ delays = tmp;
+
+ delays[nr_delays].sym = strdup(at + 1);
+ if (delays[nr_delays].sym == NULL) {
+ pr_err("Memory allocation failure\n");
+ return false;
+ }
+ delays[nr_delays].time = duration;
+
+ nr_delays++;
+ return true;
+}
+
+static int parse_lock_delay(const struct option *opt __maybe_unused, const char *str,
+ int unset __maybe_unused)
+{
+ char *s, *tmp, *tok;
+ int ret = 0;
+
+ s = strdup(str);
+ if (s == NULL)
+ return -1;
+
+ for (tok = strtok_r(s, ", ", &tmp); tok; tok = strtok_r(NULL, ", ", &tmp)) {
+ if (!add_lock_delay(tok)) {
+ ret = -1;
+ break;
+ }
+ }
+
+ free(s);
+ return ret;
+}
+
int cmd_lock(int argc, const char **argv)
{
const struct option lock_options[] = {
OPT_STRING('i', "input", &input_name, "file", "input file name"),
+ OPT_CALLBACK(0, "output", &output_name, "file", "output file name", parse_output),
OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"),
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
+ OPT_STRING(0, "vmlinux", &symbol_conf.vmlinux_name,
+ "file", "vmlinux pathname"),
+ OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
+ "file", "kallsyms pathname"),
+ OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any warnings or messages"),
OPT_END()
};
const struct option info_options[] = {
OPT_BOOLEAN('t', "threads", &info_threads,
- "dump thread list in perf.data"),
+ "dump the thread list in perf.data"),
OPT_BOOLEAN('m', "map", &info_map,
- "map of lock instances (address:name table)"),
+ "dump the map of lock instances (address:name table)"),
OPT_PARENT(lock_options)
};
const struct option report_options[] = {
OPT_STRING('k', "key", &sort_key, "acquired",
"key for sorting (acquired / contended / avg_wait / wait_total / wait_max / wait_min)"),
+ OPT_STRING('F', "field", &output_fields, NULL,
+ "output fields (acquired / contended / avg_wait / wait_total / wait_max / wait_min)"),
/* TODO: type */
+ OPT_BOOLEAN('c', "combine-locks", &combine_locks,
+ "combine locks in the same class"),
+ OPT_BOOLEAN('t', "threads", &show_thread_stats,
+ "show per-thread lock stats"),
+ OPT_INTEGER('E', "entries", &print_nr_entries, "display this many functions"),
+ OPT_PARENT(lock_options)
+ };
+
+ struct option contention_options[] = {
+ OPT_STRING('k', "key", &sort_key, "wait_total",
+ "key for sorting (contended / wait_total / wait_max / wait_min / avg_wait)"),
+ OPT_STRING('F', "field", &output_fields, "contended,wait_total,wait_max,avg_wait",
+ "output fields (contended / wait_total / wait_max / wait_min / avg_wait)"),
+ OPT_BOOLEAN('t', "threads", &show_thread_stats,
+ "show per-thread lock stats"),
+ OPT_BOOLEAN('b', "use-bpf", &use_bpf, "use BPF program to collect lock contention stats"),
+ OPT_BOOLEAN('a', "all-cpus", &target.system_wide,
+ "System-wide collection from all CPUs"),
+ OPT_STRING('C', "cpu", &target.cpu_list, "cpu",
+ "List of cpus to monitor"),
+ OPT_STRING('p', "pid", &target.pid, "pid",
+ "Trace on existing process id"),
+ OPT_STRING(0, "tid", &target.tid, "tid",
+ "Trace on existing thread id (exclusive to --pid)"),
+ OPT_CALLBACK('M', "map-nr-entries", &bpf_map_entries, "num",
+ "Max number of BPF map entries", parse_map_entry),
+ OPT_CALLBACK(0, "max-stack", &max_stack_depth, "num",
+ "Set the maximum stack depth when collecting lock contention, "
+ "Default: " __stringify(CONTENTION_STACK_DEPTH), parse_max_stack),
+ OPT_INTEGER(0, "stack-skip", &stack_skip,
+ "Set the number of stack depth to skip when finding a lock caller, "
+ "Default: " __stringify(CONTENTION_STACK_SKIP)),
+ OPT_INTEGER('E', "entries", &print_nr_entries, "display this many functions"),
+ OPT_BOOLEAN('l', "lock-addr", &show_lock_addrs, "show lock stats by address"),
+ OPT_CALLBACK('Y', "type-filter", NULL, "FLAGS",
+ "Filter specific type of locks", parse_lock_type),
+ OPT_CALLBACK('L', "lock-filter", NULL, "ADDRS/NAMES",
+ "Filter specific address/symbol of locks", parse_lock_addr),
+ OPT_CALLBACK('S', "callstack-filter", NULL, "NAMES",
+ "Filter specific function in the callstack", parse_call_stack),
+ OPT_BOOLEAN('o', "lock-owner", &show_lock_owner, "show lock owners instead of waiters"),
+ OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep, "separator",
+ "print result in CSV format with custom separator"),
+ OPT_BOOLEAN(0, "lock-cgroup", &show_lock_cgroups, "show lock stats by cgroup"),
+ OPT_CALLBACK('G', "cgroup-filter", NULL, "CGROUPS",
+ "Filter specific cgroups", parse_cgroup_filter),
+ OPT_CALLBACK('J', "inject-delay", NULL, "TIME@FUNC",
+ "Inject delays to specific locks", parse_lock_delay),
OPT_PARENT(lock_options)
};
@@ -976,7 +2674,7 @@ int cmd_lock(int argc, const char **argv)
NULL
};
const char *const lock_subcommands[] = { "record", "report", "script",
- "info", NULL };
+ "info", "contention", NULL };
const char *lock_usage[] = {
NULL,
NULL
@@ -985,20 +2683,29 @@ int cmd_lock(int argc, const char **argv)
"perf lock report [<options>]",
NULL
};
+ const char * const contention_usage[] = {
+ "perf lock contention [<options>]",
+ NULL
+ };
unsigned int i;
int rc = 0;
+ lockhash_table = calloc(LOCKHASH_SIZE, sizeof(*lockhash_table));
+ if (!lockhash_table)
+ return -ENOMEM;
+
for (i = 0; i < LOCKHASH_SIZE; i++)
- INIT_LIST_HEAD(lockhash_table + i);
+ INIT_HLIST_HEAD(lockhash_table + i);
+ lock_output = stderr;
argc = parse_options_subcommand(argc, argv, lock_options, lock_subcommands,
lock_usage, PARSE_OPT_STOP_AT_NON_OPTION);
if (!argc)
usage_with_options(lock_usage, lock_options);
- if (!strncmp(argv[0], "rec", 3)) {
+ if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
return __cmd_record(argc, argv);
- } else if (!strncmp(argv[0], "report", 6)) {
+ } else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
trace_handler = &report_lock_ops;
if (argc) {
argc = parse_options(argc, argv,
@@ -1009,7 +2716,7 @@ int cmd_lock(int argc, const char **argv)
rc = __cmd_report(false);
} else if (!strcmp(argv[0], "script")) {
/* Aliased to 'perf script' */
- return cmd_script(argc, argv);
+ rc = cmd_script(argc, argv);
} else if (!strcmp(argv[0], "info")) {
if (argc) {
argc = parse_options(argc, argv,
@@ -1017,12 +2724,42 @@ int cmd_lock(int argc, const char **argv)
if (argc)
usage_with_options(info_usage, info_options);
}
+
+ /* If neither threads nor map requested, display both */
+ if (!info_threads && !info_map) {
+ info_threads = true;
+ info_map = true;
+ }
+
/* recycling report_lock_ops */
trace_handler = &report_lock_ops;
rc = __cmd_report(true);
+ } else if (strlen(argv[0]) > 2 && strstarts("contention", argv[0])) {
+ trace_handler = &contention_lock_ops;
+ sort_key = "wait_total";
+ output_fields = "contended,wait_total,wait_max,avg_wait";
+
+#ifndef HAVE_BPF_SKEL
+ set_option_nobuild(contention_options, 'b', "use-bpf",
+ "no BUILD_BPF_SKEL=1", false);
+#endif
+ if (argc) {
+ argc = parse_options(argc, argv, contention_options,
+ contention_usage, 0);
+ }
+
+ if (check_lock_contention_options(contention_options,
+ contention_usage) < 0)
+ return -1;
+
+ rc = __cmd_contention(argc, argv);
} else {
usage_with_options(lock_usage, lock_options);
}
+ /* free usage string allocated by parse_options_subcommand */
+ free((void *)lock_usage[0]);
+
+ zfree(&lockhash_table);
return rc;
}
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c
index 643f4faac0d0..d43500b92a7b 100644
--- a/tools/perf/builtin-mem.c
+++ b/tools/perf/builtin-mem.c
@@ -1,23 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
#include "builtin.h"
#include "perf.h"
#include <subcmd/parse-options.h>
+#include "util/auxtrace.h"
#include "util/trace-event.h"
#include "util/tool.h"
#include "util/session.h"
#include "util/data.h"
+#include "util/map_symbol.h"
#include "util/mem-events.h"
#include "util/debug.h"
+#include "util/dso.h"
+#include "util/map.h"
+#include "util/symbol.h"
+#include "util/pmus.h"
+#include "util/sample.h"
+#include "util/sort.h"
+#include "util/string2.h"
+#include "util/util.h"
+#include <linux/err.h>
#define MEM_OPERATION_LOAD 0x1
#define MEM_OPERATION_STORE 0x2
struct perf_mem {
struct perf_tool tool;
- char const *input_name;
+ const char *input_name;
+ const char *sort_key;
bool hide_unresolved;
bool dump_raw;
bool force;
+ bool phys_addr;
+ bool data_page_size;
+ bool all_kernel;
+ bool all_user;
+ bool data_type;
int operation;
const char *cpu_list;
DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
@@ -26,145 +49,170 @@ struct perf_mem {
static int parse_record_events(const struct option *opt,
const char *str, int unset __maybe_unused)
{
- struct perf_mem *mem = *(struct perf_mem **)opt->value;
- int j;
+ struct perf_mem *mem = (struct perf_mem *)opt->value;
+ struct perf_pmu *pmu;
- if (strcmp(str, "list")) {
- if (!perf_mem_events__parse(str)) {
- mem->operation = 0;
- return 0;
- }
+ pmu = perf_mem_events_find_pmu();
+ if (!pmu) {
+ pr_err("failed: there is no PMU that supports perf mem\n");
exit(-1);
}
- for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
- struct perf_mem_event *e = &perf_mem_events[j];
-
- fprintf(stderr, "%-13s%-*s%s\n",
- e->tag,
- verbose > 0 ? 25 : 0,
- verbose > 0 ? perf_mem_events__name(j) : "",
- e->supported ? ": available" : "");
+ if (!strcmp(str, "list")) {
+ perf_pmu__mem_events_list(pmu);
+ exit(0);
}
- exit(0);
-}
-
-static const char * const __usage[] = {
- "perf mem record [<options>] [<command>]",
- "perf mem record [<options>] -- <command> [<options>]",
- NULL
-};
+ if (perf_pmu__mem_events_parse(pmu, str))
+ exit(-1);
-static const char * const *record_mem_usage = __usage;
+ mem->operation = 0;
+ return 0;
+}
-static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
+static int __cmd_record(int argc, const char **argv, struct perf_mem *mem,
+ const struct option *options)
{
int rec_argc, i = 0, j;
+ int start, end;
const char **rec_argv;
+ char *event_name_storage = NULL;
int ret;
- bool all_user = false, all_kernel = false;
- struct option options[] = {
- OPT_CALLBACK('e', "event", &mem, "event",
- "event selector. use 'perf mem record -e list' to list available events",
- parse_record_events),
- OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
- OPT_INCR('v', "verbose", &verbose,
- "be more verbose (show counter open errors, etc)"),
- OPT_BOOLEAN('U', "all-user", &all_user, "collect only user level data"),
- OPT_BOOLEAN('K', "all-kernel", &all_kernel, "collect only kernel level data"),
- OPT_END()
+ struct perf_mem_event *e;
+ struct perf_pmu *pmu;
+ const char * const record_usage[] = {
+ "perf mem record [<options>] [<command>]",
+ "perf mem record [<options>] -- <command> [<options>]",
+ NULL
};
- argc = parse_options(argc, argv, options, record_mem_usage,
- PARSE_OPT_STOP_AT_NON_OPTION);
+ pmu = perf_mem_events_find_pmu();
+ if (!pmu) {
+ pr_err("failed: no PMU supports the memory events\n");
+ return -1;
+ }
+
+ if (perf_pmu__mem_events_init()) {
+ pr_err("failed: memory events not supported\n");
+ return -1;
+ }
+
+ argc = parse_options(argc, argv, options, record_usage,
+ PARSE_OPT_KEEP_UNKNOWN);
+
+ /* Max number of arguments multiplied by number of PMUs that can support them. */
+ rec_argc = argc + 9 * (perf_pmu__mem_events_num_mem_pmus(pmu) + 1);
+
+ if (mem->cpu_list)
+ rec_argc += 2;
- rec_argc = argc + 9; /* max number of arguments */
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (!rec_argv)
return -1;
rec_argv[i++] = "record";
- if (mem->operation & MEM_OPERATION_LOAD)
- perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
+ e = perf_pmu__mem_events_ptr(pmu, PERF_MEM_EVENTS__LOAD_STORE);
- if (mem->operation & MEM_OPERATION_STORE)
- perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
+ /*
+ * The load and store operations are required, use the event
+ * PERF_MEM_EVENTS__LOAD_STORE if it is supported.
+ */
+ if (e->tag &&
+ (mem->operation & MEM_OPERATION_LOAD) &&
+ (mem->operation & MEM_OPERATION_STORE)) {
+ perf_mem_record[PERF_MEM_EVENTS__LOAD_STORE] = true;
+ rec_argv[i++] = "-W";
+ } else {
+ if (mem->operation & MEM_OPERATION_LOAD)
+ perf_mem_record[PERF_MEM_EVENTS__LOAD] = true;
- if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
+ if (mem->operation & MEM_OPERATION_STORE)
+ perf_mem_record[PERF_MEM_EVENTS__STORE] = true;
+ }
+
+ if (perf_mem_record[PERF_MEM_EVENTS__LOAD])
rec_argv[i++] = "-W";
rec_argv[i++] = "-d";
- for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
- if (!perf_mem_events[j].record)
- continue;
+ if (mem->phys_addr)
+ rec_argv[i++] = "--phys-data";
- if (!perf_mem_events[j].supported) {
- pr_err("failed: event '%s' not supported\n",
- perf_mem_events__name(j));
- return -1;
- }
+ if (mem->data_page_size)
+ rec_argv[i++] = "--data-page-size";
- rec_argv[i++] = "-e";
- rec_argv[i++] = perf_mem_events__name(j);
- };
+ start = i;
+ ret = perf_mem_events__record_args(rec_argv, &i, &event_name_storage);
+ if (ret)
+ goto out;
+ end = i;
- if (all_user)
+ if (mem->all_user)
rec_argv[i++] = "--all-user";
- if (all_kernel)
+ if (mem->all_kernel)
rec_argv[i++] = "--all-kernel";
+ if (mem->cpu_list) {
+ rec_argv[i++] = "-C";
+ rec_argv[i++] = mem->cpu_list;
+ }
+
for (j = 0; j < argc; j++, i++)
rec_argv[i] = argv[j];
if (verbose > 0) {
pr_debug("calling: record ");
- while (rec_argv[j]) {
+ for (j = start; j < end; j++)
pr_debug("%s ", rec_argv[j]);
- j++;
- }
+
pr_debug("\n");
}
ret = cmd_record(i, rec_argv);
+out:
+ free(event_name_storage);
free(rec_argv);
return ret;
}
static int
-dump_raw_samples(struct perf_tool *tool,
+dump_raw_samples(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
struct addr_location al;
- const char *fmt;
+ const char *fmt, *field_sep;
+ char str[PAGE_SIZE_NAME_LEN];
+ struct dso *dso = NULL;
+ addr_location__init(&al);
if (machine__resolve(machine, &al, sample) < 0) {
fprintf(stderr, "problem processing %d event, skipping it.\n",
event->header.type);
+ addr_location__exit(&al);
return -1;
}
if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
goto out_put;
- if (al.map != NULL)
- al.map->dso->hit = 1;
+ if (al.map != NULL) {
+ dso = map__dso(al.map);
+ if (dso)
+ dso__set_hit(dso);
+ }
- if (symbol_conf.field_sep) {
- fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
- "%s0x%"PRIx64"%s%s:%s\n";
+ field_sep = symbol_conf.field_sep;
+ if (field_sep) {
+ fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s";
} else {
- fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
- "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
+ fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64"%s";
symbol_conf.field_sep = " ";
}
-
printf(fmt,
sample->pid,
symbol_conf.field_sep,
@@ -173,22 +221,41 @@ dump_raw_samples(struct perf_tool *tool,
sample->ip,
symbol_conf.field_sep,
sample->addr,
- symbol_conf.field_sep,
+ symbol_conf.field_sep);
+
+ if (mem->phys_addr) {
+ printf("0x%016"PRIx64"%s",
+ sample->phys_addr,
+ symbol_conf.field_sep);
+ }
+
+ if (mem->data_page_size) {
+ printf("%s%s",
+ get_page_size_name(sample->data_page_size, str),
+ symbol_conf.field_sep);
+ }
+
+ if (field_sep)
+ fmt = "%"PRIu64"%s0x%"PRIx64"%s%s:%s\n";
+ else
+ fmt = "%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
+
+ printf(fmt,
sample->weight,
symbol_conf.field_sep,
sample->data_src,
symbol_conf.field_sep,
- al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
+ dso ? dso__long_name(dso) : "???",
al.sym ? al.sym->name : "???");
out_put:
- addr_location__put(&al);
+ addr_location__exit(&al);
return 0;
}
-static int process_sample_event(struct perf_tool *tool,
+static int process_sample_event(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel __maybe_unused,
+ struct evsel *evsel __maybe_unused,
struct machine *machine)
{
return dump_raw_samples(tool, event, sample, machine);
@@ -196,17 +263,40 @@ static int process_sample_event(struct perf_tool *tool,
static int report_raw_events(struct perf_mem *mem)
{
- struct perf_data_file file = {
- .path = input_name,
- .mode = PERF_DATA_MODE_READ,
+ struct itrace_synth_opts itrace_synth_opts = {
+ .set = true,
+ .mem = true, /* Only enable memory event */
+ .default_no_sample = true,
+ };
+
+ struct perf_data data = {
+ .path = input_name,
+ .mode = PERF_DATA_MODE_READ,
.force = mem->force,
};
int ret;
- struct perf_session *session = perf_session__new(&file, false,
- &mem->tool);
+ struct perf_session *session;
- if (session == NULL)
- return -1;
+ perf_tool__init(&mem->tool, /*ordered_events=*/true);
+ mem->tool.sample = process_sample_event;
+ mem->tool.mmap = perf_event__process_mmap;
+ mem->tool.mmap2 = perf_event__process_mmap2;
+ mem->tool.comm = perf_event__process_comm;
+ mem->tool.lost = perf_event__process_lost;
+ mem->tool.fork = perf_event__process_fork;
+ mem->tool.attr = perf_event__process_attr;
+ mem->tool.build_id = perf_event__process_build_id;
+ mem->tool.namespaces = perf_event__process_namespaces;
+ mem->tool.auxtrace_info = perf_event__process_auxtrace_info;
+ mem->tool.auxtrace = perf_event__process_auxtrace;
+ mem->tool.auxtrace_error = perf_event__process_auxtrace_error;
+
+ session = perf_session__new(&data, &mem->tool);
+
+ if (IS_ERR(session))
+ return PTR_ERR(session);
+
+ session->itrace_synth_opts = &itrace_synth_opts;
if (mem->cpu_list) {
ret = perf_session__cpu_bitmap(session, mem->cpu_list,
@@ -215,11 +305,19 @@ static int report_raw_events(struct perf_mem *mem)
goto out_delete;
}
- ret = symbol__init(&session->header.env);
+ ret = symbol__init(perf_session__env(session));
if (ret < 0)
goto out_delete;
- printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
+ printf("# PID, TID, IP, ADDR, ");
+
+ if (mem->phys_addr)
+ printf("PHYS ADDR, ");
+
+ if (mem->data_page_size)
+ printf("DATA PAGE SIZE, ");
+
+ printf("LOCAL WEIGHT, DSRC, SYMBOL\n");
ret = perf_session__process_events(session);
@@ -228,10 +326,54 @@ out_delete:
return ret;
}
-static int report_events(int argc, const char **argv, struct perf_mem *mem)
+static char *get_sort_order(struct perf_mem *mem)
+{
+ bool has_extra_options = (mem->phys_addr | mem->data_page_size) ? true : false;
+ char sort[128];
+
+ if (mem->sort_key)
+ scnprintf(sort, sizeof(sort), "--sort=%s", mem->sort_key);
+ else if (mem->data_type)
+ strcpy(sort, "--sort=mem,snoop,tlb,type");
+ /*
+ * there is no weight (cost) associated with stores, so don't print
+ * the column
+ */
+ else if (!(mem->operation & MEM_OPERATION_LOAD)) {
+ strcpy(sort, "--sort=mem,sym,dso,symbol_daddr,"
+ "dso_daddr,tlb,locked");
+ } else if (has_extra_options) {
+ strcpy(sort, "--sort=local_weight,mem,sym,dso,symbol_daddr,"
+ "dso_daddr,snoop,tlb,locked,blocked");
+ } else
+ return NULL;
+
+ if (mem->phys_addr)
+ strcat(sort, ",phys_daddr");
+
+ if (mem->data_page_size)
+ strcat(sort, ",data_page_size");
+
+ /* make sure it has 'type' sort key even -s option is used */
+ if (mem->data_type && !strstr(sort, "type"))
+ strcat(sort, ",type");
+
+ return strdup(sort);
+}
+
+static int __cmd_report(int argc, const char **argv, struct perf_mem *mem,
+ const struct option *options)
{
const char **rep_argv;
int ret, i = 0, j, rep_argc;
+ char *new_sort_order;
+ const char * const report_usage[] = {
+ "perf mem report [<options>]",
+ NULL
+ };
+
+ argc = parse_options(argc, argv, options, report_usage,
+ PARSE_OPT_KEEP_UNKNOWN);
if (mem->dump_raw)
return report_raw_events(mem);
@@ -245,18 +387,15 @@ static int report_events(int argc, const char **argv, struct perf_mem *mem)
rep_argv[i++] = "--mem-mode";
rep_argv[i++] = "-n"; /* display number of samples */
- /*
- * there is no weight (cost) associated with stores, so don't print
- * the column
- */
- if (!(mem->operation & MEM_OPERATION_LOAD))
- rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr,"
- "dso_daddr,tlb,locked";
+ new_sort_order = get_sort_order(mem);
+ if (new_sort_order)
+ rep_argv[i++] = new_sort_order;
- for (j = 1; j < argc; j++, i++)
+ for (j = 0; j < argc; j++, i++)
rep_argv[i] = argv[j];
ret = cmd_report(i, rep_argv);
+ free(new_sort_order);
free(rep_argv);
return ret;
}
@@ -334,52 +473,58 @@ int cmd_mem(int argc, const char **argv)
{
struct stat st;
struct perf_mem mem = {
- .tool = {
- .sample = process_sample_event,
- .mmap = perf_event__process_mmap,
- .mmap2 = perf_event__process_mmap2,
- .comm = perf_event__process_comm,
- .lost = perf_event__process_lost,
- .fork = perf_event__process_fork,
- .build_id = perf_event__process_build_id,
- .namespaces = perf_event__process_namespaces,
- .ordered_events = true,
- },
.input_name = "perf.data",
/*
* default to both load an store sampling
*/
.operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
};
+ char *sort_order_help = sort_help("sort by key(s):", SORT_MODE__MEMORY);
const struct option mem_options[] = {
OPT_CALLBACK('t', "type", &mem.operation,
"type", "memory operations(load,store) Default load,store",
parse_mem_ops),
+ OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
+ "list of cpus to profile"),
+ OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
+ OPT_INCR('v', "verbose", &verbose,
+ "be more verbose (show counter open errors, etc)"),
+ OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"),
+ OPT_BOOLEAN(0, "data-page-size", &mem.data_page_size, "Record/Report sample data address page size"),
+ OPT_END()
+ };
+ const struct option record_options[] = {
+ OPT_CALLBACK('e', "event", &mem, "event",
+ "event selector. use 'perf mem record -e list' to list available events",
+ parse_record_events),
+ OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
+ OPT_BOOLEAN('U', "all-user", &mem.all_user, "collect only user level data"),
+ OPT_BOOLEAN('K', "all-kernel", &mem.all_kernel, "collect only kernel level data"),
+ OPT_PARENT(mem_options)
+ };
+ const struct option report_options[] = {
OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
"dump raw samples in ASCII"),
OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
"Only display entries resolved to a symbol"),
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
- OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
- "list of cpus to profile"),
OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
"separator",
"separator for columns, no spaces will be added"
" between columns '.' is reserved."),
- OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
- OPT_END()
+ OPT_STRING('s', "sort", &mem.sort_key, "key[,key2...]",
+ sort_order_help),
+ OPT_BOOLEAN('T', "type-profile", &mem.data_type,
+ "Show data-type profile result"),
+ OPT_PARENT(mem_options)
};
const char *const mem_subcommands[] = { "record", "report", NULL };
const char *mem_usage[] = {
NULL,
NULL
};
-
- if (perf_mem_events__init()) {
- pr_err("failed: memory events not supported\n");
- return -1;
- }
+ int ret;
argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
@@ -394,12 +539,16 @@ int cmd_mem(int argc, const char **argv)
mem.input_name = "perf.data";
}
- if (!strncmp(argv[0], "rec", 3))
- return __cmd_record(argc, argv, &mem);
- else if (!strncmp(argv[0], "rep", 3))
- return report_events(argc, argv, &mem);
+ if (strlen(argv[0]) > 2 && strstarts("record", argv[0]))
+ ret = __cmd_record(argc, argv, &mem, record_options);
+ else if (strlen(argv[0]) > 2 && strstarts("report", argv[0]))
+ ret = __cmd_report(argc, argv, &mem, report_options);
else
usage_with_options(mem_usage, mem_options);
- return 0;
+ /* free usage string allocated by parse_options_subcommand */
+ free((void *)mem_usage[0]);
+ free(sort_order_help);
+
+ return ret;
}
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index d7360c2bda13..69800e4d9530 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -1,24 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* builtin-probe.c
*
* Builtin probe command: Set up probe events by C expression
*
* Written by Masami Hiramatsu <mhiramat@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
*/
#include <sys/utsname.h>
#include <sys/types.h>
@@ -30,20 +16,23 @@
#include <stdlib.h>
#include <string.h>
-#include "perf.h"
#include "builtin.h"
-#include "util/util.h"
+#include "namespaces.h"
+#include "util/build-id.h"
#include "util/strlist.h"
#include "util/strfilter.h"
#include "util/symbol.h"
+#include "util/symbol_conf.h"
#include "util/debug.h"
#include <subcmd/parse-options.h>
#include "util/probe-finder.h"
#include "util/probe-event.h"
#include "util/probe-file.h"
+#include <linux/string.h>
+#include <linux/zalloc.h>
#define DEFAULT_VAR_FILTER "!__k???tab_* & !__crc_*"
-#define DEFAULT_FUNC_FILTER "!_*"
+#define DEFAULT_FUNC_FILTER "!_* & !*@plt"
#define DEFAULT_LIST_FILTER "*"
/* Session management structure */
@@ -51,35 +40,37 @@ static struct {
int command; /* Command short_name */
bool list_events;
bool uprobes;
- bool quiet;
bool target_used;
int nevents;
struct perf_probe_event events[MAX_PROBES];
struct line_range line_range;
char *target;
struct strfilter *filter;
-} params;
+ struct nsinfo *nsi;
+} *params;
/* Parse an event definition. Note that any error must die. */
static int parse_probe_event(const char *str)
{
- struct perf_probe_event *pev = &params.events[params.nevents];
+ struct perf_probe_event *pev = &params->events[params->nevents];
int ret;
- pr_debug("probe-definition(%d): %s\n", params.nevents, str);
- if (++params.nevents == MAX_PROBES) {
+ pr_debug("probe-definition(%d): %s\n", params->nevents, str);
+ if (++params->nevents == MAX_PROBES) {
pr_err("Too many probes (> %d) were specified.", MAX_PROBES);
return -1;
}
- pev->uprobes = params.uprobes;
- if (params.target) {
- pev->target = strdup(params.target);
+ pev->uprobes = params->uprobes;
+ if (params->target) {
+ pev->target = strdup(params->target);
if (!pev->target)
return -ENOMEM;
- params.target_used = true;
+ params->target_used = true;
}
+ pev->nsi = nsinfo__get(params->nsi);
+
/* Parse a perf-probe command into event */
ret = parse_perf_probe_command(str, pev);
pr_debug("%d arguments\n", pev->nargs);
@@ -93,12 +84,12 @@ static int params_add_filter(const char *str)
int ret = 0;
pr_debug2("Add filter: %s\n", str);
- if (!params.filter) {
- params.filter = strfilter__new(str, &err);
- if (!params.filter)
+ if (!params->filter) {
+ params->filter = strfilter__new(str, &err);
+ if (!params->filter)
ret = err ? -EINVAL : -ENOMEM;
} else
- ret = strfilter__or(params.filter, str, &err);
+ ret = strfilter__or(params->filter, str, &err);
if (ret == -EINVAL) {
pr_err("Filter parse error at %td.\n", err - str + 1);
@@ -121,17 +112,17 @@ static int set_target(const char *ptr)
* TODO: Support relative path, and $PATH, $LD_LIBRARY_PATH,
* short module name.
*/
- if (!params.target && ptr && *ptr == '/') {
- params.target = strdup(ptr);
- if (!params.target)
+ if (!params->target && ptr && *ptr == '/') {
+ params->target = strdup(ptr);
+ if (!params->target)
return -ENOMEM;
- params.target_used = false;
+ params->target_used = false;
found = 1;
buf = ptr + (strlen(ptr) - 3);
if (strcmp(buf, ".ko"))
- params.uprobes = true;
+ params->uprobes = true;
}
@@ -181,15 +172,15 @@ static int opt_set_target(const struct option *opt, const char *str,
if (str) {
if (!strcmp(opt->long_name, "exec"))
- params.uprobes = true;
+ params->uprobes = true;
else if (!strcmp(opt->long_name, "module"))
- params.uprobes = false;
+ params->uprobes = false;
else
return ret;
/* Expand given path to absolute path, except for modulename */
- if (params.uprobes || strchr(str, '/')) {
- tmp = realpath(str, NULL);
+ if (params->uprobes || strchr(str, '/')) {
+ tmp = nsinfo__realpath(str, params->nsi);
if (!tmp) {
pr_warning("Failed to get the absolute path of %s: %m\n", str);
return ret;
@@ -199,18 +190,46 @@ static int opt_set_target(const struct option *opt, const char *str,
if (!tmp)
return -ENOMEM;
}
- free(params.target);
- params.target = tmp;
- params.target_used = false;
+ free(params->target);
+ params->target = tmp;
+ params->target_used = false;
+ ret = 0;
+ }
+
+ return ret;
+}
+
+static int opt_set_target_ns(const struct option *opt __maybe_unused,
+ const char *str, int unset __maybe_unused)
+{
+ int ret = -ENOENT;
+ pid_t ns_pid;
+ struct nsinfo *nsip;
+
+ if (str) {
+ errno = 0;
+ ns_pid = (pid_t)strtol(str, NULL, 10);
+ if (errno != 0) {
+ ret = -errno;
+ pr_warning("Failed to parse %s as a pid: %s\n", str,
+ strerror(errno));
+ return ret;
+ }
+ nsip = nsinfo__new(ns_pid);
+ if (nsip && nsinfo__need_setns(nsip))
+ params->nsi = nsinfo__get(nsip);
+ nsinfo__put(nsip);
+
ret = 0;
}
return ret;
}
+
/* Command option callbacks */
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
static int opt_show_lines(const struct option *opt,
const char *str, int unset __maybe_unused)
{
@@ -219,14 +238,14 @@ static int opt_show_lines(const struct option *opt,
if (!str)
return 0;
- if (params.command == 'L') {
+ if (params->command == 'L') {
pr_warning("Warning: more than one --line options are"
" detected. Only the first one is valid.\n");
return 0;
}
- params.command = opt->short_name;
- ret = parse_line_range_desc(str, &params.line_range);
+ params->command = opt->short_name;
+ ret = parse_line_range_desc(str, &params->line_range);
return ret;
}
@@ -234,7 +253,7 @@ static int opt_show_lines(const struct option *opt,
static int opt_show_vars(const struct option *opt,
const char *str, int unset __maybe_unused)
{
- struct perf_probe_event *pev = &params.events[params.nevents];
+ struct perf_probe_event *pev = &params->events[params->nevents];
int ret;
if (!str)
@@ -245,7 +264,7 @@ static int opt_show_vars(const struct option *opt,
pr_err(" Error: '--vars' doesn't accept arguments.\n");
return -EINVAL;
}
- params.command = opt->short_name;
+ params->command = opt->short_name;
return ret;
}
@@ -257,7 +276,7 @@ static int opt_add_probe_event(const struct option *opt,
const char *str, int unset __maybe_unused)
{
if (str) {
- params.command = opt->short_name;
+ params->command = opt->short_name;
return parse_probe_event(str);
}
@@ -268,7 +287,7 @@ static int opt_set_filter_with_command(const struct option *opt,
const char *str, int unset)
{
if (!unset)
- params.command = opt->short_name;
+ params->command = opt->short_name;
if (str)
return params_add_filter(str);
@@ -287,19 +306,29 @@ static int opt_set_filter(const struct option *opt __maybe_unused,
static int init_params(void)
{
- return line_range__init(&params.line_range);
+ int ret;
+
+ params = calloc(1, sizeof(*params));
+ if (!params)
+ return -ENOMEM;
+
+ ret = line_range__init(&params->line_range);
+ if (ret)
+ zfree(&params);
+ return ret;
}
static void cleanup_params(void)
{
int i;
- for (i = 0; i < params.nevents; i++)
- clear_perf_probe_event(params.events + i);
- line_range__clear(&params.line_range);
- free(params.target);
- strfilter__delete(params.filter);
- memset(&params, 0, sizeof(params));
+ for (i = 0; i < params->nevents; i++)
+ clear_perf_probe_event(params->events + i);
+ line_range__clear(&params->line_range);
+ zfree(&params->target);
+ strfilter__delete(params->filter);
+ nsinfo__put(params->nsi);
+ zfree(&params);
}
static void pr_err_with_code(const char *msg, int err)
@@ -326,8 +355,11 @@ static int perf_add_probe_events(struct perf_probe_event *pevs, int npevs)
if (ret < 0)
goto out_cleanup;
- if (params.command == 'D') { /* it shows definition */
- ret = show_probe_trace_events(pevs, npevs);
+ if (params->command == 'D') { /* it shows definition */
+ if (probe_conf.bootconfig)
+ ret = show_bootconfig_events(pevs, npevs);
+ else
+ ret = show_probe_trace_events(pevs, npevs);
goto out_cleanup;
}
@@ -344,6 +376,9 @@ static int perf_add_probe_events(struct perf_probe_event *pevs, int npevs)
for (k = 0; k < pev->ntevs; k++) {
struct probe_trace_event *tev = &pev->tevs[k];
+ /* Skipped events have no event name */
+ if (!tev->event)
+ continue;
/* We use tev's name for showing new events */
show_perf_probe_event(tev->group, tev->event, pev,
@@ -357,9 +392,18 @@ static int perf_add_probe_events(struct perf_probe_event *pevs, int npevs)
/* Note that it is possible to skip all events because of blacklist */
if (event) {
+#ifndef HAVE_LIBTRACEEVENT
+ pr_info("\nperf is not linked with libtraceevent, to use the new probe you can use tracefs:\n\n");
+ pr_info("\tcd /sys/kernel/tracing/\n");
+ pr_info("\techo 1 > events/%s/%s/enable\n", group, event);
+ pr_info("\techo 1 > tracing_on\n");
+ pr_info("\tcat trace_pipe\n");
+ pr_info("\tBefore removing the probe, echo 0 > events/%s/%s/enable\n", group, event);
+#else
/* Show how to use the event. */
pr_info("\nYou can now use it in all perf tools, such as:\n\n");
pr_info("\tperf record -e %s:%s -aR sleep 1\n\n", group, event);
+#endif
}
out_cleanup:
@@ -383,7 +427,7 @@ static int del_perf_probe_caches(struct strfilter *filter)
}
strlist__for_each_entry(nd, bidlist) {
- cache = probe_cache__new(nd->s);
+ cache = probe_cache__new(nd->s, NULL);
if (!cache)
continue;
if (probe_cache__filter_purge(cache, filter) < 0 ||
@@ -429,7 +473,8 @@ static int perf_del_probe_events(struct strfilter *filter)
ret = probe_file__del_strlist(kfd, klist);
if (ret < 0)
goto error;
- }
+ } else if (ret == -ENOMEM)
+ goto error;
ret2 = probe_file__get_events(ufd, filter, ulist);
if (ret2 == 0) {
@@ -439,7 +484,8 @@ static int perf_del_probe_events(struct strfilter *filter)
ret2 = probe_file__del_strlist(ufd, ulist);
if (ret2 < 0)
goto error;
- }
+ } else if (ret2 == -ENOMEM)
+ goto error;
if (ret == -ENOENT && ret2 == -ENOENT)
pr_warning("\"%s\" does not hit any event.\n", str);
@@ -459,7 +505,7 @@ out:
return ret;
}
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
#define PROBEDEF_STR \
"[EVENT=]FUNC[@SRC][+OFF|%return|:RL|;PT]|SRC:AL|SRC;PT [[NAME=]ARG ...]"
#else
@@ -475,7 +521,7 @@ __cmd_probe(int argc, const char **argv)
"perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...]",
"perf probe [<options>] --del '[GROUP:]EVENT' ...",
"perf probe --list [GROUP:]EVENT ...",
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
"perf probe [<options>] --line 'LINEDESC'",
"perf probe [<options>] --vars 'PROBEPOINT'",
#endif
@@ -485,8 +531,8 @@ __cmd_probe(int argc, const char **argv)
struct option options[] = {
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show parsed arguments, etc)"),
- OPT_BOOLEAN('q', "quiet", &params.quiet,
- "be quiet (do not show any mesages)"),
+ OPT_BOOLEAN('q', "quiet", &quiet,
+ "be quiet (do not show any warnings or messages)"),
OPT_CALLBACK_DEFAULT('l', "list", NULL, "[GROUP:]EVENT",
"list up probe events",
opt_set_filter_with_command, DEFAULT_LIST_FILTER),
@@ -499,7 +545,7 @@ __cmd_probe(int argc, const char **argv)
"\t\tFUNC:\tFunction name\n"
"\t\tOFF:\tOffset from function entry (in byte)\n"
"\t\t%return:\tPut the probe at function return\n"
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
"\t\tSRC:\tSource code path\n"
"\t\tRL:\tRelative line number from function entry.\n"
"\t\tAL:\tAbsolute line number in file.\n"
@@ -554,6 +600,10 @@ __cmd_probe(int argc, const char **argv)
OPT_BOOLEAN(0, "cache", &probe_conf.cache, "Manipulate probe cache"),
OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
"Look for files with symbols relative to this directory"),
+ OPT_CALLBACK(0, "target-ns", NULL, "pid",
+ "target pid for namespace contexts", opt_set_target_ns),
+ OPT_BOOLEAN(0, "bootconfig", &probe_conf.bootconfig,
+ "Output probe definition with bootconfig format"),
OPT_END()
};
int ret;
@@ -562,11 +612,11 @@ __cmd_probe(int argc, const char **argv)
set_option_flag(options, 'd', "del", PARSE_OPT_EXCLUSIVE);
set_option_flag(options, 'D', "definition", PARSE_OPT_EXCLUSIVE);
set_option_flag(options, 'l', "list", PARSE_OPT_EXCLUSIVE);
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
set_option_flag(options, 'L', "line", PARSE_OPT_EXCLUSIVE);
set_option_flag(options, 'V', "vars", PARSE_OPT_EXCLUSIVE);
#else
-# define set_nobuild(s, l, c) set_option_nobuild(options, s, l, "NO_DWARF=1", c)
+# define set_nobuild(s, l, c) set_option_nobuild(options, s, l, "NO_LIBDW=1", c)
set_nobuild('L', "line", false);
set_nobuild('V', "vars", false);
set_nobuild('\0', "externs", false);
@@ -580,12 +630,21 @@ __cmd_probe(int argc, const char **argv)
argc = parse_options(argc, argv, options, probe_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
+
+ if (quiet) {
+ if (verbose != 0) {
+ pr_err(" Error: -v and -q are exclusive.\n");
+ return -EINVAL;
+ }
+ verbose = -1;
+ }
+
if (argc > 0) {
if (strcmp(argv[0], "-") == 0) {
usage_with_options_msg(probe_usage, options,
"'-' is not supported.\n");
}
- if (params.command && params.command != 'a') {
+ if (params->command && params->command != 'a') {
usage_with_options_msg(probe_usage, options,
"another command except --add is set.\n");
}
@@ -594,16 +653,12 @@ __cmd_probe(int argc, const char **argv)
pr_err_with_code(" Error: Command Parse Error.", ret);
return ret;
}
- params.command = 'a';
+ params->command = 'a';
}
- if (params.quiet) {
- if (verbose != 0) {
- pr_err(" Error: -v and -q are exclusive.\n");
- return -EINVAL;
- }
- verbose = -1;
- }
+ ret = symbol__validate_sym_arguments();
+ if (ret)
+ return ret;
if (probe_conf.max_probes == 0)
probe_conf.max_probes = MAX_PROBES;
@@ -618,65 +673,80 @@ __cmd_probe(int argc, const char **argv)
* nor change running kernel. So if user gives offline vmlinux,
* ignore its buildid.
*/
- if (!strchr("lda", params.command) && symbol_conf.vmlinux_name)
+ if (!strchr("lda", params->command) && symbol_conf.vmlinux_name)
symbol_conf.ignore_vmlinux_buildid = true;
- switch (params.command) {
+ switch (params->command) {
case 'l':
- if (params.uprobes) {
+ if (params->uprobes) {
pr_err(" Error: Don't use --list with --exec.\n");
parse_options_usage(probe_usage, options, "l", true);
parse_options_usage(NULL, options, "x", true);
return -EINVAL;
}
- ret = show_perf_probe_events(params.filter);
+ ret = show_perf_probe_events(params->filter);
if (ret < 0)
pr_err_with_code(" Error: Failed to show event list.", ret);
return ret;
case 'F':
- ret = show_available_funcs(params.target, params.filter,
- params.uprobes);
+ ret = show_available_funcs(params->target, params->nsi,
+ params->filter, params->uprobes);
if (ret < 0)
pr_err_with_code(" Error: Failed to show functions.", ret);
return ret;
-#ifdef HAVE_DWARF_SUPPORT
+#ifdef HAVE_LIBDW_SUPPORT
case 'L':
- ret = show_line_range(&params.line_range, params.target,
- params.uprobes);
+ ret = show_line_range(&params->line_range, params->target,
+ params->nsi, params->uprobes);
if (ret < 0)
pr_err_with_code(" Error: Failed to show lines.", ret);
return ret;
case 'V':
- if (!params.filter)
- params.filter = strfilter__new(DEFAULT_VAR_FILTER,
+ if (!params->filter)
+ params->filter = strfilter__new(DEFAULT_VAR_FILTER,
NULL);
- ret = show_available_vars(params.events, params.nevents,
- params.filter);
+ ret = show_available_vars(params->events, params->nevents,
+ params->filter);
if (ret < 0)
pr_err_with_code(" Error: Failed to show vars.", ret);
return ret;
#endif
case 'd':
- ret = perf_del_probe_events(params.filter);
+ ret = perf_del_probe_events(params->filter);
if (ret < 0) {
pr_err_with_code(" Error: Failed to delete events.", ret);
return ret;
}
break;
case 'D':
+ if (probe_conf.bootconfig && params->uprobes) {
+ pr_err(" Error: --bootconfig doesn't support uprobes.\n");
+ return -EINVAL;
+ }
+ fallthrough;
case 'a':
/* Ensure the last given target is used */
- if (params.target && !params.target_used) {
+ if (params->target && !params->target_used) {
pr_err(" Error: -x/-m must follow the probe definitions.\n");
parse_options_usage(probe_usage, options, "m", true);
parse_options_usage(NULL, options, "x", true);
return -EINVAL;
}
- ret = perf_add_probe_events(params.events, params.nevents);
+ ret = perf_add_probe_events(params->events, params->nevents);
if (ret < 0) {
+
+ /*
+ * When perf_add_probe_events() fails it calls
+ * cleanup_perf_probe_events(pevs, npevs), i.e.
+ * cleanup_perf_probe_events(params->events, params->nevents), which
+ * will call clear_perf_probe_event(), so set nevents to zero
+ * to avoid cleanup_params() to call clear_perf_probe_event() again
+ * on the same pevs.
+ */
+ params->nevents = 0;
pr_err_with_code(" Error: Failed to add events.", ret);
return ret;
}
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 3191ab063852..2584d0d8bc82 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* builtin-record.c
*
@@ -7,11 +8,9 @@
*/
#include "builtin.h"
-#include "perf.h"
-
#include "util/build-id.h"
-#include "util/util.h"
#include <subcmd/parse-options.h>
+#include <internal/xyarray.h>
#include "util/parse-events.h"
#include "util/config.h"
@@ -22,10 +21,14 @@
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/debug.h"
-#include "util/drv_configs.h"
+#include "util/mmap.h"
+#include "util/mutex.h"
+#include "util/target.h"
#include "util/session.h"
#include "util/tool.h"
+#include "util/stat.h"
#include "util/symbol.h"
+#include "util/record.h"
#include "util/cpumap.h"
#include "util/thread_map.h"
#include "util/data.h"
@@ -34,17 +37,51 @@
#include "util/tsc.h"
#include "util/parse-branch-options.h"
#include "util/parse-regs-options.h"
-#include "util/llvm-utils.h"
-#include "util/bpf-loader.h"
+#include "util/perf_api_probe.h"
#include "util/trigger.h"
#include "util/perf-hooks.h"
+#include "util/cpu-set-sched.h"
+#include "util/synthetic-events.h"
+#include "util/time-utils.h"
+#include "util/units.h"
+#include "util/bpf-event.h"
+#include "util/util.h"
+#include "util/pfm.h"
+#include "util/pmu.h"
+#include "util/pmus.h"
+#include "util/clockid.h"
+#include "util/off_cpu.h"
+#include "util/bpf-filter.h"
+#include "util/strbuf.h"
#include "asm/bug.h"
+#include "perf.h"
+#include "cputopo.h"
+#include <errno.h>
+#include <inttypes.h>
+#include <locale.h>
+#include <poll.h>
+#include <pthread.h>
#include <unistd.h>
+#ifndef HAVE_GETTID
+#include <syscall.h>
+#endif
#include <sched.h>
+#include <signal.h>
+#ifdef HAVE_EVENTFD_SUPPORT
+#include <sys/eventfd.h>
+#endif
#include <sys/mman.h>
-#include <asm/bug.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <linux/err.h>
+#include <linux/string.h>
#include <linux/time64.h>
+#include <linux/zalloc.h>
+#include <linux/bitmap.h>
+#include <sys/time.h>
struct switch_output {
bool enabled;
@@ -53,32 +90,136 @@ struct switch_output {
unsigned long time;
const char *str;
bool set;
+ char **filenames;
+ int num_files;
+ int cur_file;
+};
+
+struct thread_mask {
+ struct mmap_cpu_mask maps;
+ struct mmap_cpu_mask affinity;
+};
+
+struct record_thread {
+ pid_t tid;
+ struct thread_mask *mask;
+ struct {
+ int msg[2];
+ int ack[2];
+ } pipes;
+ struct fdarray pollfd;
+ int ctlfd_pos;
+ int nr_mmaps;
+ struct mmap **maps;
+ struct mmap **overwrite_maps;
+ struct record *rec;
+ unsigned long long samples;
+ unsigned long waking;
+ u64 bytes_written;
+ u64 bytes_transferred;
+ u64 bytes_compressed;
+};
+
+static __thread struct record_thread *thread;
+
+enum thread_msg {
+ THREAD_MSG__UNDEFINED = 0,
+ THREAD_MSG__READY,
+ THREAD_MSG__MAX,
+};
+
+static const char *thread_msg_tags[THREAD_MSG__MAX] = {
+ "UNDEFINED", "READY"
+};
+
+enum thread_spec {
+ THREAD_SPEC__UNDEFINED = 0,
+ THREAD_SPEC__CPU,
+ THREAD_SPEC__CORE,
+ THREAD_SPEC__PACKAGE,
+ THREAD_SPEC__NUMA,
+ THREAD_SPEC__USER,
+ THREAD_SPEC__MAX,
+};
+
+static const char *thread_spec_tags[THREAD_SPEC__MAX] = {
+ "undefined", "cpu", "core", "package", "numa", "user"
+};
+
+struct pollfd_index_map {
+ int evlist_pollfd_index;
+ int thread_pollfd_index;
};
struct record {
struct perf_tool tool;
struct record_opts opts;
u64 bytes_written;
- struct perf_data_file file;
+ u64 thread_bytes_written;
+ struct perf_data data;
struct auxtrace_record *itr;
- struct perf_evlist *evlist;
+ struct evlist *evlist;
struct perf_session *session;
- const char *progname;
+ struct evlist *sb_evlist;
+ pthread_t thread_id;
int realtime_prio;
+ bool latency;
+ bool switch_output_event_set;
bool no_buildid;
bool no_buildid_set;
bool no_buildid_cache;
bool no_buildid_cache_set;
bool buildid_all;
+ bool buildid_mmap;
+ bool buildid_mmap_set;
bool timestamp_filename;
+ bool timestamp_boundary;
+ bool off_cpu;
+ const char *filter_action;
+ const char *uid_str;
struct switch_output switch_output;
unsigned long long samples;
+ unsigned long output_max_size; /* = 0: unlimited */
+ struct perf_debuginfod debuginfod;
+ int nr_threads;
+ struct thread_mask *thread_masks;
+ struct record_thread *thread_data;
+ struct pollfd_index_map *index_map;
+ size_t index_map_sz;
+ size_t index_map_cnt;
};
+static volatile int done;
+
static volatile int auxtrace_record__snapshot_started;
static DEFINE_TRIGGER(auxtrace_snapshot_trigger);
static DEFINE_TRIGGER(switch_output_trigger);
+static const char *affinity_tags[PERF_AFFINITY_MAX] = {
+ "SYS", "NODE", "CPU"
+};
+
+static int build_id__process_mmap(const struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample, struct machine *machine);
+static int build_id__process_mmap2(const struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample, struct machine *machine);
+static int process_timestamp_boundary(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine);
+
+#ifndef HAVE_GETTID
+static inline pid_t gettid(void)
+{
+ return (pid_t)syscall(__NR_gettid);
+}
+#endif
+
+static int record__threads_enabled(struct record *rec)
+{
+ return rec->opts.threads_spec;
+}
+
static bool switch_output_signal(struct record *rec)
{
return rec->switch_output.signal &&
@@ -98,14 +239,43 @@ static bool switch_output_time(struct record *rec)
trigger_is_ready(&switch_output_trigger);
}
-static int record__write(struct record *rec, void *bf, size_t size)
+static u64 record__bytes_written(struct record *rec)
+{
+ return rec->bytes_written + rec->thread_bytes_written;
+}
+
+static bool record__output_max_size_exceeded(struct record *rec)
{
- if (perf_data_file__write(rec->session->file, bf, size) < 0) {
+ return rec->output_max_size &&
+ (record__bytes_written(rec) >= rec->output_max_size);
+}
+
+static int record__write(struct record *rec, struct mmap *map __maybe_unused,
+ void *bf, size_t size)
+{
+ struct perf_data_file *file = &rec->session->data->file;
+
+ if (map && map->file)
+ file = map->file;
+
+ if (perf_data_file__write(file, bf, size) < 0) {
pr_err("failed to write perf data, error: %m\n");
return -1;
}
- rec->bytes_written += size;
+ if (map && map->file) {
+ thread->bytes_written += size;
+ rec->thread_bytes_written += size;
+ } else {
+ rec->bytes_written += size;
+ }
+
+ if (record__output_max_size_exceeded(rec) && !done) {
+ fprintf(stderr, "[ perf record: perf size limit reached (%" PRIu64 " KB),"
+ " stopping session ]\n",
+ record__bytes_written(rec) >> 10);
+ done = 1;
+ }
if (switch_output_size(rec))
trigger_hit(&switch_output_trigger);
@@ -113,121 +283,407 @@ static int record__write(struct record *rec, void *bf, size_t size)
return 0;
}
-static int process_synthesized_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample __maybe_unused,
- struct machine *machine __maybe_unused)
+static int record__aio_enabled(struct record *rec);
+static int record__comp_enabled(struct record *rec);
+static ssize_t zstd_compress(struct perf_session *session, struct mmap *map,
+ void *dst, size_t dst_size, void *src, size_t src_size);
+
+#ifdef HAVE_AIO_SUPPORT
+static int record__aio_write(struct aiocb *cblock, int trace_fd,
+ void *buf, size_t size, off_t off)
{
- struct record *rec = container_of(tool, struct record, tool);
- return record__write(rec, event, event->header.size);
+ int rc;
+
+ cblock->aio_fildes = trace_fd;
+ cblock->aio_buf = buf;
+ cblock->aio_nbytes = size;
+ cblock->aio_offset = off;
+ cblock->aio_sigevent.sigev_notify = SIGEV_NONE;
+
+ do {
+ rc = aio_write(cblock);
+ if (rc == 0) {
+ break;
+ } else if (errno != EAGAIN) {
+ cblock->aio_fildes = -1;
+ pr_err("failed to queue perf data, error: %m\n");
+ break;
+ }
+ } while (1);
+
+ return rc;
}
-static int
-backward_rb_find_range(void *buf, int mask, u64 head, u64 *start, u64 *end)
-{
- struct perf_event_header *pheader;
- u64 evt_head = head;
- int size = mask + 1;
-
- pr_debug2("backward_rb_find_range: buf=%p, head=%"PRIx64"\n", buf, head);
- pheader = (struct perf_event_header *)(buf + (head & mask));
- *start = head;
- while (true) {
- if (evt_head - head >= (unsigned int)size) {
- pr_debug("Finished reading backward ring buffer: rewind\n");
- if (evt_head - head > (unsigned int)size)
- evt_head -= pheader->size;
- *end = evt_head;
- return 0;
- }
+static int record__aio_complete(struct mmap *md, struct aiocb *cblock)
+{
+ void *rem_buf;
+ off_t rem_off;
+ size_t rem_size;
+ int rc, aio_errno;
+ ssize_t aio_ret, written;
+
+ aio_errno = aio_error(cblock);
+ if (aio_errno == EINPROGRESS)
+ return 0;
- pheader = (struct perf_event_header *)(buf + (evt_head & mask));
+ written = aio_ret = aio_return(cblock);
+ if (aio_ret < 0) {
+ if (aio_errno != EINTR)
+ pr_err("failed to write perf data, error: %m\n");
+ written = 0;
+ }
- if (pheader->size == 0) {
- pr_debug("Finished reading backward ring buffer: get start\n");
- *end = evt_head;
- return 0;
- }
+ rem_size = cblock->aio_nbytes - written;
- evt_head += pheader->size;
- pr_debug3("move evt_head: %"PRIx64"\n", evt_head);
+ if (rem_size == 0) {
+ cblock->aio_fildes = -1;
+ /*
+ * md->refcount is incremented in record__aio_pushfn() for
+ * every aio write request started in record__aio_push() so
+ * decrement it because the request is now complete.
+ */
+ perf_mmap__put(&md->core);
+ rc = 1;
+ } else {
+ /*
+ * aio write request may require restart with the
+ * remainder if the kernel didn't write whole
+ * chunk at once.
+ */
+ rem_off = cblock->aio_offset + written;
+ rem_buf = (void *)(cblock->aio_buf + written);
+ record__aio_write(cblock, cblock->aio_fildes,
+ rem_buf, rem_size, rem_off);
+ rc = 0;
}
- WARN_ONCE(1, "Shouldn't get here\n");
- return -1;
+
+ return rc;
}
-static int
-rb_find_range(void *data, int mask, u64 head, u64 old,
- u64 *start, u64 *end, bool backward)
+static int record__aio_sync(struct mmap *md, bool sync_all)
{
- if (!backward) {
- *start = old;
- *end = head;
- return 0;
+ struct aiocb **aiocb = md->aio.aiocb;
+ struct aiocb *cblocks = md->aio.cblocks;
+ struct timespec timeout = { 0, 1000 * 1000 * 1 }; /* 1ms */
+ int i, do_suspend;
+
+ do {
+ do_suspend = 0;
+ for (i = 0; i < md->aio.nr_cblocks; ++i) {
+ if (cblocks[i].aio_fildes == -1 || record__aio_complete(md, &cblocks[i])) {
+ if (sync_all)
+ aiocb[i] = NULL;
+ else
+ return i;
+ } else {
+ /*
+ * Started aio write is not complete yet
+ * so it has to be waited before the
+ * next allocation.
+ */
+ aiocb[i] = &cblocks[i];
+ do_suspend = 1;
+ }
+ }
+ if (!do_suspend)
+ return -1;
+
+ while (aio_suspend((const struct aiocb **)aiocb, md->aio.nr_cblocks, &timeout)) {
+ if (!(errno == EAGAIN || errno == EINTR))
+ pr_err("failed to sync perf data, error: %m\n");
+ }
+ } while (1);
+}
+
+struct record_aio {
+ struct record *rec;
+ void *data;
+ size_t size;
+};
+
+static int record__aio_pushfn(struct mmap *map, void *to, void *buf, size_t size)
+{
+ struct record_aio *aio = to;
+
+ /*
+ * map->core.base data pointed by buf is copied into free map->aio.data[] buffer
+ * to release space in the kernel buffer as fast as possible, calling
+ * perf_mmap__consume() from perf_mmap__push() function.
+ *
+ * That lets the kernel to proceed with storing more profiling data into
+ * the kernel buffer earlier than other per-cpu kernel buffers are handled.
+ *
+ * Coping can be done in two steps in case the chunk of profiling data
+ * crosses the upper bound of the kernel buffer. In this case we first move
+ * part of data from map->start till the upper bound and then the remainder
+ * from the beginning of the kernel buffer till the end of the data chunk.
+ */
+
+ if (record__comp_enabled(aio->rec)) {
+ ssize_t compressed = zstd_compress(aio->rec->session, NULL, aio->data + aio->size,
+ mmap__mmap_len(map) - aio->size,
+ buf, size);
+ if (compressed < 0)
+ return (int)compressed;
+
+ size = compressed;
+ } else {
+ memcpy(aio->data + aio->size, buf, size);
+ }
+
+ if (!aio->size) {
+ /*
+ * Increment map->refcount to guard map->aio.data[] buffer
+ * from premature deallocation because map object can be
+ * released earlier than aio write request started on
+ * map->aio.data[] buffer is complete.
+ *
+ * perf_mmap__put() is done at record__aio_complete()
+ * after started aio request completion or at record__aio_push()
+ * if the request failed to start.
+ */
+ perf_mmap__get(&map->core);
}
- return backward_rb_find_range(data, mask, head, start, end);
+ aio->size += size;
+
+ return size;
}
-static int
-record__mmap_read(struct record *rec, struct perf_mmap *md,
- bool overwrite, bool backward)
-{
- u64 head = perf_mmap__read_head(md);
- u64 old = md->prev;
- u64 end = head, start = old;
- unsigned char *data = md->base + page_size;
- unsigned long size;
- void *buf;
- int rc = 0;
+static int record__aio_push(struct record *rec, struct mmap *map, off_t *off)
+{
+ int ret, idx;
+ int trace_fd = rec->session->data->file.fd;
+ struct record_aio aio = { .rec = rec, .size = 0 };
- if (rb_find_range(data, md->mask, head,
- old, &start, &end, backward))
- return -1;
+ /*
+ * Call record__aio_sync() to wait till map->aio.data[] buffer
+ * becomes available after previous aio write operation.
+ */
- if (start == end)
- return 0;
+ idx = record__aio_sync(map, false);
+ aio.data = map->aio.data[idx];
+ ret = perf_mmap__push(map, &aio, record__aio_pushfn);
+ if (ret != 0) /* ret > 0 - no data, ret < 0 - error */
+ return ret;
rec->samples++;
+ ret = record__aio_write(&(map->aio.cblocks[idx]), trace_fd, aio.data, aio.size, *off);
+ if (!ret) {
+ *off += aio.size;
+ rec->bytes_written += aio.size;
+ if (switch_output_size(rec))
+ trigger_hit(&switch_output_trigger);
+ } else {
+ /*
+ * Decrement map->refcount incremented in record__aio_pushfn()
+ * back if record__aio_write() operation failed to start, otherwise
+ * map->refcount is decremented in record__aio_complete() after
+ * aio write operation finishes successfully.
+ */
+ perf_mmap__put(&map->core);
+ }
+
+ return ret;
+}
+
+static off_t record__aio_get_pos(int trace_fd)
+{
+ return lseek(trace_fd, 0, SEEK_CUR);
+}
+
+static void record__aio_set_pos(int trace_fd, off_t pos)
+{
+ lseek(trace_fd, pos, SEEK_SET);
+}
+
+static void record__aio_mmap_read_sync(struct record *rec)
+{
+ int i;
+ struct evlist *evlist = rec->evlist;
+ struct mmap *maps = evlist->mmap;
+
+ if (!record__aio_enabled(rec))
+ return;
+
+ for (i = 0; i < evlist->core.nr_mmaps; i++) {
+ struct mmap *map = &maps[i];
+
+ if (map->core.base)
+ record__aio_sync(map, true);
+ }
+}
+
+static int nr_cblocks_default = 1;
+static int nr_cblocks_max = 4;
+
+static int record__aio_parse(const struct option *opt,
+ const char *str,
+ int unset)
+{
+ struct record_opts *opts = (struct record_opts *)opt->value;
+
+ if (unset) {
+ opts->nr_cblocks = 0;
+ } else {
+ if (str)
+ opts->nr_cblocks = strtol(str, NULL, 0);
+ if (!opts->nr_cblocks)
+ opts->nr_cblocks = nr_cblocks_default;
+ }
+
+ return 0;
+}
+#else /* HAVE_AIO_SUPPORT */
+static int nr_cblocks_max = 0;
+
+static int record__aio_push(struct record *rec __maybe_unused, struct mmap *map __maybe_unused,
+ off_t *off __maybe_unused)
+{
+ return -1;
+}
+
+static off_t record__aio_get_pos(int trace_fd __maybe_unused)
+{
+ return -1;
+}
+
+static void record__aio_set_pos(int trace_fd __maybe_unused, off_t pos __maybe_unused)
+{
+}
- size = end - start;
- if (size > (unsigned long)(md->mask) + 1) {
- WARN_ONCE(1, "failed to keep up with mmap data. (warn only once)\n");
+static void record__aio_mmap_read_sync(struct record *rec __maybe_unused)
+{
+}
+#endif
+
+static int record__aio_enabled(struct record *rec)
+{
+ return rec->opts.nr_cblocks > 0;
+}
- md->prev = head;
- perf_mmap__consume(md, overwrite || backward);
+#define MMAP_FLUSH_DEFAULT 1
+static int record__mmap_flush_parse(const struct option *opt,
+ const char *str,
+ int unset)
+{
+ int flush_max;
+ struct record_opts *opts = (struct record_opts *)opt->value;
+ static struct parse_tag tags[] = {
+ { .tag = 'B', .mult = 1 },
+ { .tag = 'K', .mult = 1 << 10 },
+ { .tag = 'M', .mult = 1 << 20 },
+ { .tag = 'G', .mult = 1 << 30 },
+ { .tag = 0 },
+ };
+
+ if (unset)
return 0;
+
+ if (str) {
+ opts->mmap_flush = parse_tag_value(str, tags);
+ if (opts->mmap_flush == (int)-1)
+ opts->mmap_flush = strtol(str, NULL, 0);
}
- if ((start & md->mask) + size != (end & md->mask)) {
- buf = &data[start & md->mask];
- size = md->mask + 1 - (start & md->mask);
- start += size;
+ if (!opts->mmap_flush)
+ opts->mmap_flush = MMAP_FLUSH_DEFAULT;
- if (record__write(rec, buf, size) < 0) {
- rc = -1;
- goto out;
- }
+ flush_max = evlist__mmap_size(opts->mmap_pages);
+ flush_max /= 4;
+ if (opts->mmap_flush > flush_max)
+ opts->mmap_flush = flush_max;
+
+ return 0;
+}
+
+#ifdef HAVE_ZSTD_SUPPORT
+static unsigned int comp_level_default = 1;
+
+static int record__parse_comp_level(const struct option *opt, const char *str, int unset)
+{
+ struct record_opts *opts = opt->value;
+
+ if (unset) {
+ opts->comp_level = 0;
+ } else {
+ if (str)
+ opts->comp_level = strtol(str, NULL, 0);
+ if (!opts->comp_level)
+ opts->comp_level = comp_level_default;
}
- buf = &data[start & md->mask];
- size = end - start;
- start += size;
+ return 0;
+}
+#endif
+static unsigned int comp_level_max = 22;
- if (record__write(rec, buf, size) < 0) {
- rc = -1;
- goto out;
+static int record__comp_enabled(struct record *rec)
+{
+ return rec->opts.comp_level > 0;
+}
+
+static int process_synthesized_event(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ struct record *rec = container_of(tool, struct record, tool);
+ return record__write(rec, NULL, event, event->header.size);
+}
+
+static struct mutex synth_lock;
+
+static int process_locked_synthesized_event(const struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ int ret;
+
+ mutex_lock(&synth_lock);
+ ret = process_synthesized_event(tool, event, sample, machine);
+ mutex_unlock(&synth_lock);
+ return ret;
+}
+
+static int record__pushfn(struct mmap *map, void *to, void *bf, size_t size)
+{
+ struct record *rec = to;
+
+ if (record__comp_enabled(rec)) {
+ struct perf_record_compressed2 *event = map->data;
+ size_t padding = 0;
+ u8 pad[8] = {0};
+ ssize_t compressed = zstd_compress(rec->session, map, map->data,
+ mmap__mmap_len(map), bf, size);
+
+ if (compressed < 0)
+ return (int)compressed;
+
+ bf = event;
+ thread->samples++;
+
+ /*
+ * The record from `zstd_compress` is not 8 bytes aligned, which would cause asan
+ * error. We make it aligned here.
+ */
+ event->data_size = compressed - sizeof(struct perf_record_compressed2);
+ event->header.size = PERF_ALIGN(compressed, sizeof(u64));
+ padding = event->header.size - compressed;
+ return record__write(rec, map, bf, compressed) ||
+ record__write(rec, map, &pad, padding);
}
- md->prev = head;
- perf_mmap__consume(md, overwrite || backward);
-out:
- return rc;
+ thread->samples++;
+ return record__write(rec, map, bf, size);
}
-static volatile int done;
-static volatile int signr = -1;
-static volatile int child_finished;
+static volatile sig_atomic_t signr = -1;
+static volatile sig_atomic_t child_finished;
+#ifdef HAVE_EVENTFD_SUPPORT
+static volatile sig_atomic_t done_fd = -1;
+#endif
static void sig_handler(int sig)
{
@@ -237,6 +693,26 @@ static void sig_handler(int sig)
signr = sig;
done = 1;
+#ifdef HAVE_EVENTFD_SUPPORT
+ if (done_fd >= 0) {
+ u64 tmp = 1;
+ int orig_errno = errno;
+
+ /*
+ * It is possible for this signal handler to run after done is
+ * checked in the main loop, but before the perf counter fds are
+ * polled. If this happens, the poll() will continue to wait
+ * even though done is set, and will only break out if either
+ * another signal is received, or the counters are ready for
+ * read. To ensure the poll() doesn't sleep when done is set,
+ * use an eventfd (done_fd) to wake up the poll().
+ */
+ if (write(done_fd, &tmp, sizeof(tmp)) < 0)
+ pr_err("failed to signal wakeup fd, error: %m\n");
+
+ errno = orig_errno;
+ }
+#endif // HAVE_EVENTFD_SUPPORT
}
static void sigsegv_handler(int sig)
@@ -254,20 +730,19 @@ static void record__sig_exit(void)
raise(signr);
}
-#ifdef HAVE_AUXTRACE_SUPPORT
-
-static int record__process_auxtrace(struct perf_tool *tool,
+static int record__process_auxtrace(const struct perf_tool *tool,
+ struct mmap *map,
union perf_event *event, void *data1,
size_t len1, void *data2, size_t len2)
{
struct record *rec = container_of(tool, struct record, tool);
- struct perf_data_file *file = &rec->file;
+ struct perf_data *data = &rec->data;
size_t padding;
u8 pad[8] = {0};
- if (!perf_data_file__is_pipe(file)) {
+ if (!perf_data__is_pipe(data) && perf_data__is_single_file(data)) {
off_t file_offset;
- int fd = perf_data_file__fd(file);
+ int fd = perf_data__fd(data);
int err;
file_offset = lseek(fd, 0, SEEK_CUR);
@@ -284,21 +759,23 @@ static int record__process_auxtrace(struct perf_tool *tool,
if (padding)
padding = 8 - padding;
- record__write(rec, event, event->header.size);
- record__write(rec, data1, len1);
+ record__write(rec, map, event, event->header.size);
+ record__write(rec, map, data1, len1);
if (len2)
- record__write(rec, data2, len2);
- record__write(rec, &pad, padding);
+ record__write(rec, map, data2, len2);
+ record__write(rec, map, &pad, padding);
return 0;
}
static int record__auxtrace_mmap_read(struct record *rec,
- struct auxtrace_mmap *mm)
+ struct mmap *map)
{
int ret;
- ret = auxtrace_mmap__read(mm, rec->itr, &rec->tool,
+ ret = auxtrace_mmap__read(map, rec->itr,
+ perf_session__env(rec->session),
+ &rec->tool,
record__process_auxtrace);
if (ret < 0)
return ret;
@@ -310,11 +787,13 @@ static int record__auxtrace_mmap_read(struct record *rec,
}
static int record__auxtrace_mmap_read_snapshot(struct record *rec,
- struct auxtrace_mmap *mm)
+ struct mmap *map)
{
int ret;
- ret = auxtrace_mmap__read_snapshot(mm, rec->itr, &rec->tool,
+ ret = auxtrace_mmap__read_snapshot(map, rec->itr,
+ perf_session__env(rec->session),
+ &rec->tool,
record__process_auxtrace,
rec->opts.auxtrace_snapshot_size);
if (ret < 0)
@@ -331,14 +810,13 @@ static int record__auxtrace_read_snapshot_all(struct record *rec)
int i;
int rc = 0;
- for (i = 0; i < rec->evlist->nr_mmaps; i++) {
- struct auxtrace_mmap *mm =
- &rec->evlist->mmap[i].auxtrace_mmap;
+ for (i = 0; i < rec->evlist->core.nr_mmaps; i++) {
+ struct mmap *map = &rec->evlist->mmap[i];
- if (!mm->base)
+ if (!map->auxtrace_mmap.base)
continue;
- if (record__auxtrace_mmap_read_snapshot(rec, mm) != 0) {
+ if (record__auxtrace_mmap_read_snapshot(rec, map) != 0) {
rc = -1;
goto out;
}
@@ -347,50 +825,477 @@ out:
return rc;
}
-static void record__read_auxtrace_snapshot(struct record *rec)
+static void record__read_auxtrace_snapshot(struct record *rec, bool on_exit)
{
pr_debug("Recording AUX area tracing snapshot\n");
if (record__auxtrace_read_snapshot_all(rec) < 0) {
trigger_error(&auxtrace_snapshot_trigger);
} else {
- if (auxtrace_record__snapshot_finish(rec->itr))
+ if (auxtrace_record__snapshot_finish(rec->itr, on_exit))
trigger_error(&auxtrace_snapshot_trigger);
else
trigger_ready(&auxtrace_snapshot_trigger);
}
}
-#else
+static int record__auxtrace_snapshot_exit(struct record *rec)
+{
+ if (trigger_is_error(&auxtrace_snapshot_trigger))
+ return 0;
+
+ if (!auxtrace_record__snapshot_started &&
+ auxtrace_record__snapshot_start(rec->itr))
+ return -1;
+
+ record__read_auxtrace_snapshot(rec, true);
+ if (trigger_is_error(&auxtrace_snapshot_trigger))
+ return -1;
+
+ return 0;
+}
+
+static int record__auxtrace_init(struct record *rec)
+{
+ int err;
+
+ if ((rec->opts.auxtrace_snapshot_opts || rec->opts.auxtrace_sample_opts)
+ && record__threads_enabled(rec)) {
+ pr_err("AUX area tracing options are not available in parallel streaming mode.\n");
+ return -EINVAL;
+ }
+
+ if (!rec->itr) {
+ rec->itr = auxtrace_record__init(rec->evlist, &err);
+ if (err)
+ return err;
+ }
+
+ err = auxtrace_parse_snapshot_options(rec->itr, &rec->opts,
+ rec->opts.auxtrace_snapshot_opts);
+ if (err)
+ return err;
+
+ err = auxtrace_parse_sample_options(rec->itr, rec->evlist, &rec->opts,
+ rec->opts.auxtrace_sample_opts);
+ if (err)
+ return err;
+
+ err = auxtrace_parse_aux_action(rec->evlist);
+ if (err)
+ return err;
-static inline
-int record__auxtrace_mmap_read(struct record *rec __maybe_unused,
- struct auxtrace_mmap *mm __maybe_unused)
+ return auxtrace_parse_filters(rec->evlist);
+}
+
+static int record__config_text_poke(struct evlist *evlist)
{
+ struct evsel *evsel;
+
+ /* Nothing to do if text poke is already configured */
+ evlist__for_each_entry(evlist, evsel) {
+ if (evsel->core.attr.text_poke)
+ return 0;
+ }
+
+ evsel = evlist__add_dummy_on_all_cpus(evlist);
+ if (!evsel)
+ return -ENOMEM;
+
+ evsel->core.attr.text_poke = 1;
+ evsel->core.attr.ksymbol = 1;
+ evsel->immediate = true;
+ evsel__set_sample_bit(evsel, TIME);
+
return 0;
}
-static inline
-void record__read_auxtrace_snapshot(struct record *rec __maybe_unused)
+static int record__config_off_cpu(struct record *rec)
{
+ return off_cpu_prepare(rec->evlist, &rec->opts.target, &rec->opts);
}
-static inline
-int auxtrace_record__snapshot_start(struct auxtrace_record *itr __maybe_unused)
+static bool record__tracking_system_wide(struct record *rec)
{
+ struct evlist *evlist = rec->evlist;
+ struct evsel *evsel;
+
+ /*
+ * If non-dummy evsel exists, system_wide sideband is need to
+ * help parse sample information.
+ * For example, PERF_EVENT_MMAP event to help parse symbol,
+ * and PERF_EVENT_COMM event to help parse task executable name.
+ */
+ evlist__for_each_entry(evlist, evsel) {
+ if (!evsel__is_dummy_event(evsel))
+ return true;
+ }
+
+ return false;
+}
+
+static int record__config_tracking_events(struct record *rec)
+{
+ struct record_opts *opts = &rec->opts;
+ struct evlist *evlist = rec->evlist;
+ bool system_wide = false;
+ struct evsel *evsel;
+
+ /*
+ * For initial_delay, system wide or a hybrid system, we need to add
+ * tracking event so that we can track PERF_RECORD_MMAP to cover the
+ * delay of waiting or event synthesis.
+ */
+ if (opts->target.initial_delay || target__has_cpu(&opts->target) ||
+ perf_pmus__num_core_pmus() > 1) {
+ /*
+ * User space tasks can migrate between CPUs, so when tracing
+ * selected CPUs, sideband for all CPUs is still needed.
+ */
+ if (!!opts->target.cpu_list && record__tracking_system_wide(rec))
+ system_wide = true;
+
+ evsel = evlist__findnew_tracking_event(evlist, system_wide);
+ if (!evsel)
+ return -ENOMEM;
+
+ /*
+ * Enable the tracking event when the process is forked for
+ * initial_delay, immediately for system wide.
+ */
+ if (opts->target.initial_delay && !evsel->immediate &&
+ !target__has_cpu(&opts->target))
+ evsel->core.attr.enable_on_exec = 1;
+ else
+ evsel->immediate = 1;
+ }
+
return 0;
}
-#endif
+static bool record__kcore_readable(struct machine *machine)
+{
+ char kcore[PATH_MAX];
+ int fd;
+
+ scnprintf(kcore, sizeof(kcore), "%s/proc/kcore", machine->root_dir);
+
+ fd = open(kcore, O_RDONLY);
+ if (fd < 0)
+ return false;
+
+ close(fd);
+
+ return true;
+}
+
+static int record__kcore_copy(struct machine *machine, struct perf_data *data)
+{
+ char from_dir[PATH_MAX];
+ char kcore_dir[PATH_MAX];
+ int ret;
+
+ snprintf(from_dir, sizeof(from_dir), "%s/proc", machine->root_dir);
+
+ ret = perf_data__make_kcore_dir(data, kcore_dir, sizeof(kcore_dir));
+ if (ret)
+ return ret;
+
+ return kcore_copy(from_dir, kcore_dir);
+}
+
+static void record__thread_data_init_pipes(struct record_thread *thread_data)
+{
+ thread_data->pipes.msg[0] = -1;
+ thread_data->pipes.msg[1] = -1;
+ thread_data->pipes.ack[0] = -1;
+ thread_data->pipes.ack[1] = -1;
+}
+
+static int record__thread_data_open_pipes(struct record_thread *thread_data)
+{
+ if (pipe(thread_data->pipes.msg))
+ return -EINVAL;
+
+ if (pipe(thread_data->pipes.ack)) {
+ close(thread_data->pipes.msg[0]);
+ thread_data->pipes.msg[0] = -1;
+ close(thread_data->pipes.msg[1]);
+ thread_data->pipes.msg[1] = -1;
+ return -EINVAL;
+ }
+
+ pr_debug2("thread_data[%p]: msg=[%d,%d], ack=[%d,%d]\n", thread_data,
+ thread_data->pipes.msg[0], thread_data->pipes.msg[1],
+ thread_data->pipes.ack[0], thread_data->pipes.ack[1]);
+
+ return 0;
+}
+
+static void record__thread_data_close_pipes(struct record_thread *thread_data)
+{
+ if (thread_data->pipes.msg[0] != -1) {
+ close(thread_data->pipes.msg[0]);
+ thread_data->pipes.msg[0] = -1;
+ }
+ if (thread_data->pipes.msg[1] != -1) {
+ close(thread_data->pipes.msg[1]);
+ thread_data->pipes.msg[1] = -1;
+ }
+ if (thread_data->pipes.ack[0] != -1) {
+ close(thread_data->pipes.ack[0]);
+ thread_data->pipes.ack[0] = -1;
+ }
+ if (thread_data->pipes.ack[1] != -1) {
+ close(thread_data->pipes.ack[1]);
+ thread_data->pipes.ack[1] = -1;
+ }
+}
+
+static bool evlist__per_thread(struct evlist *evlist)
+{
+ return cpu_map__is_dummy(evlist->core.user_requested_cpus);
+}
+
+static int record__thread_data_init_maps(struct record_thread *thread_data, struct evlist *evlist)
+{
+ int m, tm, nr_mmaps = evlist->core.nr_mmaps;
+ struct mmap *mmap = evlist->mmap;
+ struct mmap *overwrite_mmap = evlist->overwrite_mmap;
+ struct perf_cpu_map *cpus = evlist->core.all_cpus;
+ bool per_thread = evlist__per_thread(evlist);
+
+ if (per_thread)
+ thread_data->nr_mmaps = nr_mmaps;
+ else
+ thread_data->nr_mmaps = bitmap_weight(thread_data->mask->maps.bits,
+ thread_data->mask->maps.nbits);
+ if (mmap) {
+ thread_data->maps = zalloc(thread_data->nr_mmaps * sizeof(struct mmap *));
+ if (!thread_data->maps)
+ return -ENOMEM;
+ }
+ if (overwrite_mmap) {
+ thread_data->overwrite_maps = zalloc(thread_data->nr_mmaps * sizeof(struct mmap *));
+ if (!thread_data->overwrite_maps) {
+ zfree(&thread_data->maps);
+ return -ENOMEM;
+ }
+ }
+ pr_debug2("thread_data[%p]: nr_mmaps=%d, maps=%p, ow_maps=%p\n", thread_data,
+ thread_data->nr_mmaps, thread_data->maps, thread_data->overwrite_maps);
+
+ for (m = 0, tm = 0; m < nr_mmaps && tm < thread_data->nr_mmaps; m++) {
+ if (per_thread ||
+ test_bit(perf_cpu_map__cpu(cpus, m).cpu, thread_data->mask->maps.bits)) {
+ if (thread_data->maps) {
+ thread_data->maps[tm] = &mmap[m];
+ pr_debug2("thread_data[%p]: cpu%d: maps[%d] -> mmap[%d]\n",
+ thread_data, perf_cpu_map__cpu(cpus, m).cpu, tm, m);
+ }
+ if (thread_data->overwrite_maps) {
+ thread_data->overwrite_maps[tm] = &overwrite_mmap[m];
+ pr_debug2("thread_data[%p]: cpu%d: ow_maps[%d] -> ow_mmap[%d]\n",
+ thread_data, perf_cpu_map__cpu(cpus, m).cpu, tm, m);
+ }
+ tm++;
+ }
+ }
+
+ return 0;
+}
+
+static int record__thread_data_init_pollfd(struct record_thread *thread_data, struct evlist *evlist)
+{
+ int f, tm, pos;
+ struct mmap *map, *overwrite_map;
+
+ fdarray__init(&thread_data->pollfd, 64);
+
+ for (tm = 0; tm < thread_data->nr_mmaps; tm++) {
+ map = thread_data->maps ? thread_data->maps[tm] : NULL;
+ overwrite_map = thread_data->overwrite_maps ?
+ thread_data->overwrite_maps[tm] : NULL;
+
+ for (f = 0; f < evlist->core.pollfd.nr; f++) {
+ void *ptr = evlist->core.pollfd.priv[f].ptr;
+
+ if ((map && ptr == map) || (overwrite_map && ptr == overwrite_map)) {
+ pos = fdarray__dup_entry_from(&thread_data->pollfd, f,
+ &evlist->core.pollfd);
+ if (pos < 0)
+ return pos;
+ pr_debug2("thread_data[%p]: pollfd[%d] <- event_fd=%d\n",
+ thread_data, pos, evlist->core.pollfd.entries[f].fd);
+ }
+ }
+ }
+
+ return 0;
+}
+
+static void record__free_thread_data(struct record *rec)
+{
+ int t;
+ struct record_thread *thread_data = rec->thread_data;
+
+ if (thread_data == NULL)
+ return;
+
+ for (t = 0; t < rec->nr_threads; t++) {
+ record__thread_data_close_pipes(&thread_data[t]);
+ zfree(&thread_data[t].maps);
+ zfree(&thread_data[t].overwrite_maps);
+ fdarray__exit(&thread_data[t].pollfd);
+ }
+
+ zfree(&rec->thread_data);
+}
+
+static int record__map_thread_evlist_pollfd_indexes(struct record *rec,
+ int evlist_pollfd_index,
+ int thread_pollfd_index)
+{
+ size_t x = rec->index_map_cnt;
+
+ if (realloc_array_as_needed(rec->index_map, rec->index_map_sz, x, NULL))
+ return -ENOMEM;
+ rec->index_map[x].evlist_pollfd_index = evlist_pollfd_index;
+ rec->index_map[x].thread_pollfd_index = thread_pollfd_index;
+ rec->index_map_cnt += 1;
+ return 0;
+}
+
+static int record__update_evlist_pollfd_from_thread(struct record *rec,
+ struct evlist *evlist,
+ struct record_thread *thread_data)
+{
+ struct pollfd *e_entries = evlist->core.pollfd.entries;
+ struct pollfd *t_entries = thread_data->pollfd.entries;
+ int err = 0;
+ size_t i;
+
+ for (i = 0; i < rec->index_map_cnt; i++) {
+ int e_pos = rec->index_map[i].evlist_pollfd_index;
+ int t_pos = rec->index_map[i].thread_pollfd_index;
+
+ if (e_entries[e_pos].fd != t_entries[t_pos].fd ||
+ e_entries[e_pos].events != t_entries[t_pos].events) {
+ pr_err("Thread and evlist pollfd index mismatch\n");
+ err = -EINVAL;
+ continue;
+ }
+ e_entries[e_pos].revents = t_entries[t_pos].revents;
+ }
+ return err;
+}
+
+static int record__dup_non_perf_events(struct record *rec,
+ struct evlist *evlist,
+ struct record_thread *thread_data)
+{
+ struct fdarray *fda = &evlist->core.pollfd;
+ int i, ret;
+
+ for (i = 0; i < fda->nr; i++) {
+ if (!(fda->priv[i].flags & fdarray_flag__non_perf_event))
+ continue;
+ ret = fdarray__dup_entry_from(&thread_data->pollfd, i, fda);
+ if (ret < 0) {
+ pr_err("Failed to duplicate descriptor in main thread pollfd\n");
+ return ret;
+ }
+ pr_debug2("thread_data[%p]: pollfd[%d] <- non_perf_event fd=%d\n",
+ thread_data, ret, fda->entries[i].fd);
+ ret = record__map_thread_evlist_pollfd_indexes(rec, i, ret);
+ if (ret < 0) {
+ pr_err("Failed to map thread and evlist pollfd indexes\n");
+ return ret;
+ }
+ }
+ return 0;
+}
+
+static int record__alloc_thread_data(struct record *rec, struct evlist *evlist)
+{
+ int t, ret;
+ struct record_thread *thread_data;
+
+ rec->thread_data = zalloc(rec->nr_threads * sizeof(*(rec->thread_data)));
+ if (!rec->thread_data) {
+ pr_err("Failed to allocate thread data\n");
+ return -ENOMEM;
+ }
+ thread_data = rec->thread_data;
+
+ for (t = 0; t < rec->nr_threads; t++)
+ record__thread_data_init_pipes(&thread_data[t]);
+
+ for (t = 0; t < rec->nr_threads; t++) {
+ thread_data[t].rec = rec;
+ thread_data[t].mask = &rec->thread_masks[t];
+ ret = record__thread_data_init_maps(&thread_data[t], evlist);
+ if (ret) {
+ pr_err("Failed to initialize thread[%d] maps\n", t);
+ goto out_free;
+ }
+ ret = record__thread_data_init_pollfd(&thread_data[t], evlist);
+ if (ret) {
+ pr_err("Failed to initialize thread[%d] pollfd\n", t);
+ goto out_free;
+ }
+ if (t) {
+ thread_data[t].tid = -1;
+ ret = record__thread_data_open_pipes(&thread_data[t]);
+ if (ret) {
+ pr_err("Failed to open thread[%d] communication pipes\n", t);
+ goto out_free;
+ }
+ ret = fdarray__add(&thread_data[t].pollfd, thread_data[t].pipes.msg[0],
+ POLLIN | POLLERR | POLLHUP, fdarray_flag__nonfilterable);
+ if (ret < 0) {
+ pr_err("Failed to add descriptor to thread[%d] pollfd\n", t);
+ goto out_free;
+ }
+ thread_data[t].ctlfd_pos = ret;
+ pr_debug2("thread_data[%p]: pollfd[%d] <- ctl_fd=%d\n",
+ thread_data, thread_data[t].ctlfd_pos,
+ thread_data[t].pipes.msg[0]);
+ } else {
+ thread_data[t].tid = gettid();
+
+ ret = record__dup_non_perf_events(rec, evlist, &thread_data[t]);
+ if (ret < 0)
+ goto out_free;
+
+ thread_data[t].ctlfd_pos = -1; /* Not used */
+ }
+ }
+
+ return 0;
+
+out_free:
+ record__free_thread_data(rec);
+
+ return ret;
+}
static int record__mmap_evlist(struct record *rec,
- struct perf_evlist *evlist)
+ struct evlist *evlist)
{
+ int i, ret;
struct record_opts *opts = &rec->opts;
+ bool auxtrace_overwrite = opts->auxtrace_snapshot_mode ||
+ opts->auxtrace_sample_mode;
char msg[512];
- if (perf_evlist__mmap_ex(evlist, opts->mmap_pages, false,
+ if (opts->affinity != PERF_AFFINITY_SYS)
+ cpu__setup_cpunode_map();
+
+ if (evlist__mmap_ex(evlist, opts->mmap_pages,
opts->auxtrace_mmap_pages,
- opts->auxtrace_snapshot_mode) < 0) {
+ auxtrace_overwrite,
+ opts->nr_cblocks, opts->affinity,
+ opts->mmap_flush, opts->comp_level) < 0) {
if (errno == EPERM) {
pr_err("Permission error mapping pages.\n"
"Consider increasing "
@@ -408,6 +1313,28 @@ static int record__mmap_evlist(struct record *rec,
return -EINVAL;
}
}
+
+ if (evlist__initialize_ctlfd(evlist, opts->ctl_fd, opts->ctl_fd_ack))
+ return -1;
+
+ ret = record__alloc_thread_data(rec, evlist);
+ if (ret)
+ return ret;
+
+ if (record__threads_enabled(rec)) {
+ ret = perf_data__create_dir(&rec->data, evlist->core.nr_mmaps);
+ if (ret) {
+ pr_err("Failed to create data directory: %s\n", strerror(-ret));
+ return ret;
+ }
+ for (i = 0; i < evlist->core.nr_mmaps; i++) {
+ if (evlist->mmap)
+ evlist->mmap[i].file = &rec->data.dir.files[i];
+ if (evlist->overwrite_mmap)
+ evlist->overwrite_mmap[i].file = &rec->data.dir.files[i];
+ }
+ }
+
return 0;
}
@@ -419,44 +1346,124 @@ static int record__mmap(struct record *rec)
static int record__open(struct record *rec)
{
char msg[BUFSIZ];
- struct perf_evsel *pos;
- struct perf_evlist *evlist = rec->evlist;
+ struct evsel *pos;
+ struct evlist *evlist = rec->evlist;
struct perf_session *session = rec->session;
struct record_opts *opts = &rec->opts;
- struct perf_evsel_config_term *err_term;
int rc = 0;
-
- perf_evlist__config(evlist, opts, &callchain_param);
+ bool skipped = false;
+ bool removed_tracking = false;
evlist__for_each_entry(evlist, pos) {
+ if (removed_tracking) {
+ /*
+ * Normally the head of the list has tracking enabled
+ * for sideband data like mmaps. If this event is
+ * removed, make sure to add tracking to the next
+ * processed event.
+ */
+ if (!pos->tracking) {
+ pos->tracking = true;
+ evsel__config(pos, opts, &callchain_param);
+ }
+ removed_tracking = false;
+ }
try_again:
- if (perf_evsel__open(pos, pos->cpus, pos->threads) < 0) {
- if (perf_evsel__fallback(pos, errno, msg, sizeof(msg))) {
+ if (evsel__open(pos, pos->core.cpus, pos->core.threads) < 0) {
+ bool report_error = true;
+
+ if (evsel__fallback(pos, &opts->target, errno, msg, sizeof(msg))) {
if (verbose > 0)
ui__warning("%s\n", msg);
goto try_again;
}
+ if ((errno == EINVAL || errno == EBADF) &&
+ pos->core.leader != &pos->core &&
+ pos->weak_group) {
+ pos = evlist__reset_weak_group(evlist, pos, true);
+ goto try_again;
+ }
+#if defined(__aarch64__) || defined(__arm__)
+ if (strstr(evsel__name(pos), "cycles")) {
+ struct evsel *pos2;
+ /*
+ * Unfortunately ARM has many events named
+ * "cycles" on PMUs like the system-level (L3)
+ * cache which don't support sampling. Only
+ * display such failures to open when there is
+ * only 1 cycles event or verbose is enabled.
+ */
+ evlist__for_each_entry(evlist, pos2) {
+ if (pos2 == pos)
+ continue;
+ if (strstr(evsel__name(pos2), "cycles")) {
+ report_error = false;
+ break;
+ }
+ }
+ }
+#endif
+ if (report_error || verbose > 0) {
+ ui__error("Failure to open event '%s' on PMU '%s' which will be "
+ "removed.\n%s\n",
+ evsel__name(pos), evsel__pmu_name(pos), msg);
+ }
+ if (pos->tracking)
+ removed_tracking = true;
+ pos->skippable = true;
+ skipped = true;
+ }
+ }
+
+ if (skipped) {
+ struct evsel *tmp;
+ int idx = 0;
+ bool evlist_empty = true;
- rc = -errno;
- perf_evsel__open_strerror(pos, &opts->target,
- errno, msg, sizeof(msg));
- ui__error("%s\n", msg);
+ /* Remove evsels that failed to open and update indices. */
+ evlist__for_each_entry_safe(evlist, tmp, pos) {
+ if (pos->skippable) {
+ evlist__remove(evlist, pos);
+ continue;
+ }
+
+ /*
+ * Note, dummy events may be command line parsed or
+ * added by the tool. We care about supporting `perf
+ * record -e dummy` which may be used as a permission
+ * check. Dummy events that are added to the command
+ * line and opened along with other events that fail,
+ * will still fail as if the dummy events were tool
+ * added events for the sake of code simplicity.
+ */
+ if (!evsel__is_dummy_event(pos))
+ evlist_empty = false;
+ }
+ evlist__for_each_entry(evlist, pos) {
+ pos->core.idx = idx++;
+ }
+ /* If list is empty then fail. */
+ if (evlist_empty) {
+ ui__error("Failure to open any events for recording.\n");
+ rc = -1;
goto out;
}
}
-
- if (perf_evlist__apply_filters(evlist, &pos)) {
- error("failed to set filter \"%s\" on event %s with %d (%s)\n",
- pos->filter, perf_evsel__name(pos), errno,
- str_error_r(errno, msg, sizeof(msg)));
- rc = -1;
- goto out;
+ if (symbol_conf.kptr_restrict && !evlist__exclude_kernel(evlist)) {
+ pr_warning(
+"WARNING: Kernel address maps (/proc/{kallsyms,modules}) are restricted,\n"
+"check /proc/sys/kernel/kptr_restrict and /proc/sys/kernel/perf_event_paranoid.\n\n"
+"Samples in kernel functions may not be resolved if a suitable vmlinux\n"
+"file is not found in the buildid cache or in the vmlinux path.\n\n"
+"Samples in kernel modules won't be resolved at all.\n\n"
+"If some relocation was applied (e.g. kexec) symbols may be misresolved\n"
+"even with a suitable vmlinux or kallsyms file.\n\n");
}
- if (perf_evlist__apply_drv_configs(evlist, &pos, &err_term)) {
- error("failed to set config \"%s\" on event %s with %d (%s)\n",
- err_term->val.drv_cfg, perf_evsel__name(pos), errno,
- str_error_r(errno, msg, sizeof(msg)));
+ if (evlist__apply_filters(evlist, &pos, &opts->target)) {
+ pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n",
+ pos->filter ?: "BPF", evsel__name(pos), errno,
+ str_error_r(errno, msg, sizeof(msg)));
rc = -1;
goto out;
}
@@ -471,25 +1478,37 @@ out:
return rc;
}
-static int process_sample_event(struct perf_tool *tool,
+static void set_timestamp_boundary(struct record *rec, u64 sample_time)
+{
+ if (rec->evlist->first_sample_time == 0)
+ rec->evlist->first_sample_time = sample_time;
+
+ if (sample_time)
+ rec->evlist->last_sample_time = sample_time;
+}
+
+static int process_sample_event(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
struct record *rec = container_of(tool, struct record, tool);
- rec->samples++;
+ set_timestamp_boundary(rec, sample->time);
+ if (rec->buildid_all)
+ return 0;
+
+ rec->samples++;
return build_id__mark_dso_hit(tool, event, sample, evsel, machine);
}
static int process_buildids(struct record *rec)
{
- struct perf_data_file *file = &rec->file;
struct perf_session *session = rec->session;
- if (file->size == 0)
+ if (perf_data__size(&rec->data) == 0)
return 0;
/*
@@ -505,10 +1524,12 @@ static int process_buildids(struct record *rec)
/*
* If --buildid-all is given, it marks all DSO regardless of hits,
- * so no need to process samples.
+ * so no need to process samples. But if timestamp_boundary is enabled,
+ * it still needs to walk on all samples to get the timestamps of
+ * first/last samples.
*/
- if (rec->buildid_all)
- rec->tool.sample = NULL;
+ if (rec->buildid_all && !rec->timestamp_boundary)
+ rec->tool.sample = process_event_sample_stub;
return perf_session__process_events(session);
}
@@ -547,64 +1568,234 @@ static struct perf_event_header finished_round_event = {
.type = PERF_RECORD_FINISHED_ROUND,
};
-static int record__mmap_read_evlist(struct record *rec, struct perf_evlist *evlist,
- bool backward)
+static struct perf_event_header finished_init_event = {
+ .size = sizeof(struct perf_event_header),
+ .type = PERF_RECORD_FINISHED_INIT,
+};
+
+static void record__adjust_affinity(struct record *rec, struct mmap *map)
+{
+ if (rec->opts.affinity != PERF_AFFINITY_SYS &&
+ !bitmap_equal(thread->mask->affinity.bits, map->affinity_mask.bits,
+ thread->mask->affinity.nbits)) {
+ bitmap_zero(thread->mask->affinity.bits, thread->mask->affinity.nbits);
+ bitmap_or(thread->mask->affinity.bits, thread->mask->affinity.bits,
+ map->affinity_mask.bits, thread->mask->affinity.nbits);
+ sched_setaffinity(0, MMAP_CPU_MASK_BYTES(&thread->mask->affinity),
+ (cpu_set_t *)thread->mask->affinity.bits);
+ if (verbose == 2) {
+ pr_debug("threads[%d]: running on cpu%d: ", thread->tid, sched_getcpu());
+ mmap_cpu_mask__scnprintf(&thread->mask->affinity, "affinity");
+ }
+ }
+}
+
+static size_t process_comp_header(void *record, size_t increment)
+{
+ struct perf_record_compressed2 *event = record;
+ size_t size = sizeof(*event);
+
+ if (increment) {
+ event->header.size += increment;
+ return increment;
+ }
+
+ event->header.type = PERF_RECORD_COMPRESSED2;
+ event->header.size = size;
+
+ return size;
+}
+
+static ssize_t zstd_compress(struct perf_session *session, struct mmap *map,
+ void *dst, size_t dst_size, void *src, size_t src_size)
+{
+ ssize_t compressed;
+ size_t max_record_size = PERF_SAMPLE_MAX_SIZE - sizeof(struct perf_record_compressed2) - 1;
+ struct zstd_data *zstd_data = &session->zstd_data;
+
+ if (map && map->file)
+ zstd_data = &map->zstd_data;
+
+ compressed = zstd_compress_stream_to_records(zstd_data, dst, dst_size, src, src_size,
+ max_record_size, process_comp_header);
+ if (compressed < 0)
+ return compressed;
+
+ if (map && map->file) {
+ thread->bytes_transferred += src_size;
+ thread->bytes_compressed += compressed;
+ } else {
+ session->bytes_transferred += src_size;
+ session->bytes_compressed += compressed;
+ }
+
+ return compressed;
+}
+
+static int record__mmap_read_evlist(struct record *rec, struct evlist *evlist,
+ bool overwrite, bool synch)
{
u64 bytes_written = rec->bytes_written;
int i;
int rc = 0;
- struct perf_mmap *maps;
+ int nr_mmaps;
+ struct mmap **maps;
+ int trace_fd = rec->data.file.fd;
+ off_t off = 0;
if (!evlist)
return 0;
- maps = backward ? evlist->backward_mmap : evlist->mmap;
+ nr_mmaps = thread->nr_mmaps;
+ maps = overwrite ? thread->overwrite_maps : thread->maps;
+
if (!maps)
return 0;
- if (backward && evlist->bkw_mmap_state != BKW_MMAP_DATA_PENDING)
+ if (overwrite && evlist->bkw_mmap_state != BKW_MMAP_DATA_PENDING)
return 0;
- for (i = 0; i < evlist->nr_mmaps; i++) {
- struct auxtrace_mmap *mm = &maps[i].auxtrace_mmap;
+ if (record__aio_enabled(rec))
+ off = record__aio_get_pos(trace_fd);
+
+ for (i = 0; i < nr_mmaps; i++) {
+ u64 flush = 0;
+ struct mmap *map = maps[i];
- if (maps[i].base) {
- if (record__mmap_read(rec, &maps[i],
- evlist->overwrite, backward) != 0) {
- rc = -1;
- goto out;
+ if (map->core.base) {
+ record__adjust_affinity(rec, map);
+ if (synch) {
+ flush = map->core.flush;
+ map->core.flush = 1;
}
+ if (!record__aio_enabled(rec)) {
+ if (perf_mmap__push(map, rec, record__pushfn) < 0) {
+ if (synch)
+ map->core.flush = flush;
+ rc = -1;
+ goto out;
+ }
+ } else {
+ if (record__aio_push(rec, map, &off) < 0) {
+ record__aio_set_pos(trace_fd, off);
+ if (synch)
+ map->core.flush = flush;
+ rc = -1;
+ goto out;
+ }
+ }
+ if (synch)
+ map->core.flush = flush;
}
- if (mm->base && !rec->opts.auxtrace_snapshot_mode &&
- record__auxtrace_mmap_read(rec, mm) != 0) {
+ if (map->auxtrace_mmap.base && !rec->opts.auxtrace_snapshot_mode &&
+ !rec->opts.auxtrace_sample_mode &&
+ record__auxtrace_mmap_read(rec, map) != 0) {
rc = -1;
goto out;
}
}
+ if (record__aio_enabled(rec))
+ record__aio_set_pos(trace_fd, off);
+
/*
* Mark the round finished in case we wrote
* at least one event.
+ *
+ * No need for round events in directory mode,
+ * because per-cpu maps and files have data
+ * sorted by kernel.
*/
- if (bytes_written != rec->bytes_written)
- rc = record__write(rec, &finished_round_event, sizeof(finished_round_event));
+ if (!record__threads_enabled(rec) && bytes_written != rec->bytes_written)
+ rc = record__write(rec, NULL, &finished_round_event, sizeof(finished_round_event));
- if (backward)
- perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_EMPTY);
+ if (overwrite)
+ evlist__toggle_bkw_mmap(evlist, BKW_MMAP_EMPTY);
out:
return rc;
}
-static int record__mmap_read_all(struct record *rec)
+static int record__mmap_read_all(struct record *rec, bool synch)
{
int err;
- err = record__mmap_read_evlist(rec, rec->evlist, false);
+ err = record__mmap_read_evlist(rec, rec->evlist, false, synch);
if (err)
return err;
- return record__mmap_read_evlist(rec, rec->evlist, true);
+ return record__mmap_read_evlist(rec, rec->evlist, true, synch);
+}
+
+static void record__thread_munmap_filtered(struct fdarray *fda, int fd,
+ void *arg __maybe_unused)
+{
+ struct perf_mmap *map = fda->priv[fd].ptr;
+
+ if (map)
+ perf_mmap__put(map);
+}
+
+static void *record__thread(void *arg)
+{
+ enum thread_msg msg = THREAD_MSG__READY;
+ bool terminate = false;
+ struct fdarray *pollfd;
+ int err, ctlfd_pos;
+
+ thread = arg;
+ thread->tid = gettid();
+
+ err = write(thread->pipes.ack[1], &msg, sizeof(msg));
+ if (err == -1)
+ pr_warning("threads[%d]: failed to notify on start: %s\n",
+ thread->tid, strerror(errno));
+
+ pr_debug("threads[%d]: started on cpu%d\n", thread->tid, sched_getcpu());
+
+ pollfd = &thread->pollfd;
+ ctlfd_pos = thread->ctlfd_pos;
+
+ for (;;) {
+ unsigned long long hits = thread->samples;
+
+ if (record__mmap_read_all(thread->rec, false) < 0 || terminate)
+ break;
+
+ if (hits == thread->samples) {
+
+ err = fdarray__poll(pollfd, -1);
+ /*
+ * Propagate error, only if there's any. Ignore positive
+ * number of returned events and interrupt error.
+ */
+ if (err > 0 || (err < 0 && errno == EINTR))
+ err = 0;
+ thread->waking++;
+
+ if (fdarray__filter(pollfd, POLLERR | POLLHUP,
+ record__thread_munmap_filtered, NULL) == 0)
+ break;
+ }
+
+ if (pollfd->entries[ctlfd_pos].revents & POLLHUP) {
+ terminate = true;
+ close(thread->pipes.msg[0]);
+ thread->pipes.msg[0] = -1;
+ pollfd->entries[ctlfd_pos].fd = -1;
+ pollfd->entries[ctlfd_pos].events = 0;
+ }
+
+ pollfd->entries[ctlfd_pos].revents = 0;
+ }
+ record__mmap_read_all(thread->rec, true);
+
+ err = write(thread->pipes.ack[1], &msg, sizeof(msg));
+ if (err == -1)
+ pr_warning("threads[%d]: failed to notify on termination: %s\n",
+ thread->tid, strerror(errno));
+
+ return NULL;
}
static void record__init_features(struct record *rec)
@@ -618,7 +1809,7 @@ static void record__init_features(struct record *rec)
if (rec->no_buildid)
perf_header__clear_feat(&session->header, HEADER_BUILD_ID);
- if (!have_tracepoints(&rec->evlist->entries))
+ if (!have_tracepoints(&rec->evlist->core.entries))
perf_header__clear_feat(&session->header, HEADER_TRACING_DATA);
if (!rec->opts.branch_stack)
@@ -627,36 +1818,57 @@ static void record__init_features(struct record *rec)
if (!rec->opts.full_auxtrace)
perf_header__clear_feat(&session->header, HEADER_AUXTRACE);
+ if (!(rec->opts.use_clockid && rec->opts.clockid_res_ns))
+ perf_header__clear_feat(&session->header, HEADER_CLOCKID);
+
+ if (!rec->opts.use_clockid)
+ perf_header__clear_feat(&session->header, HEADER_CLOCK_DATA);
+
+ if (!record__threads_enabled(rec))
+ perf_header__clear_feat(&session->header, HEADER_DIR_FORMAT);
+
+ if (!record__comp_enabled(rec))
+ perf_header__clear_feat(&session->header, HEADER_COMPRESSED);
+
perf_header__clear_feat(&session->header, HEADER_STAT);
}
static void
record__finish_output(struct record *rec)
{
- struct perf_data_file *file = &rec->file;
- int fd = perf_data_file__fd(file);
+ int i;
+ struct perf_data *data = &rec->data;
+ int fd = perf_data__fd(data);
- if (file->is_pipe)
+ if (data->is_pipe) {
+ /* Just to display approx. size */
+ data->file.size = rec->bytes_written;
return;
+ }
rec->session->header.data_size += rec->bytes_written;
- file->size = lseek(perf_data_file__fd(file), 0, SEEK_CUR);
+ data->file.size = lseek(perf_data__fd(data), 0, SEEK_CUR);
+ if (record__threads_enabled(rec)) {
+ for (i = 0; i < data->dir.nr; i++)
+ data->dir.files[i].size = lseek(data->dir.files[i].fd, 0, SEEK_CUR);
+ }
- if (!rec->no_buildid) {
+ /* Buildid scanning disabled or build ID in kernel and synthesized map events. */
+ if (!rec->no_buildid || !rec->no_buildid_cache) {
process_buildids(rec);
if (rec->buildid_all)
- dsos__hit_all(rec->session);
+ perf_session__dsos_hit_all(rec->session);
}
perf_session__write_header(rec->session, rec->evlist, fd, true);
-
- return;
+ perf_session__cache_build_ids(rec->session);
}
static int record__synthesize_workload(struct record *rec, bool tail)
{
int err;
- struct thread_map *thread_map;
+ struct perf_thread_map *thread_map;
+ bool needs_mmap = rec->opts.synth & PERF_SYNTH_MMAP;
if (rec->opts.tail_synthesize != tail)
return 0;
@@ -668,23 +1880,36 @@ static int record__synthesize_workload(struct record *rec, bool tail)
err = perf_event__synthesize_thread_map(&rec->tool, thread_map,
process_synthesized_event,
&rec->session->machines.host,
- rec->opts.sample_address,
- rec->opts.proc_map_timeout);
- thread_map__put(thread_map);
+ needs_mmap,
+ rec->opts.sample_address);
+ perf_thread_map__put(thread_map);
return err;
}
+static int write_finished_init(struct record *rec, bool tail)
+{
+ if (rec->opts.tail_synthesize != tail)
+ return 0;
+
+ return record__write(rec, NULL, &finished_init_event, sizeof(finished_init_event));
+}
+
static int record__synthesize(struct record *rec, bool tail);
static int
record__switch_output(struct record *rec, bool at_exit)
{
- struct perf_data_file *file = &rec->file;
+ struct perf_data *data = &rec->data;
+ char *new_filename = NULL;
int fd, err;
/* Same Size: "2015122520103046"*/
char timestamp[] = "InvalidTimestamp";
+ record__aio_mmap_read_sync(rec);
+
+ write_finished_init(rec, true);
+
record__synthesize(rec, true);
if (target__none(&rec->opts.target))
record__synthesize_workload(rec, true);
@@ -697,17 +1922,33 @@ record__switch_output(struct record *rec, bool at_exit)
return -EINVAL;
}
- fd = perf_data_file__switch(file, timestamp,
- rec->session->header.data_offset,
- at_exit);
+ fd = perf_data__switch(data, timestamp,
+ rec->session->header.data_offset,
+ at_exit, &new_filename);
if (fd >= 0 && !at_exit) {
rec->bytes_written = 0;
rec->session->header.data_size = 0;
}
- if (!quiet)
+ if (!quiet) {
fprintf(stderr, "[ perf record: Dump %s.%s ]\n",
- file->path, timestamp);
+ data->path, timestamp);
+ }
+
+ if (rec->switch_output.num_files) {
+ int n = rec->switch_output.cur_file + 1;
+
+ if (n >= rec->switch_output.num_files)
+ n = 0;
+ rec->switch_output.cur_file = n;
+ if (rec->switch_output.filenames[n]) {
+ remove(rec->switch_output.filenames[n]);
+ zfree(&rec->switch_output.filenames[n]);
+ }
+ rec->switch_output.filenames[n] = new_filename;
+ } else {
+ free(new_filename);
+ }
/* Output tracking events */
if (!at_exit) {
@@ -724,14 +1965,89 @@ record__switch_output(struct record *rec, bool at_exit)
*/
if (target__none(&rec->opts.target))
record__synthesize_workload(rec, false);
+ write_finished_init(rec, false);
}
return fd;
}
-static volatile int workload_exec_errno;
+static void __record__save_lost_samples(struct record *rec, struct evsel *evsel,
+ struct perf_record_lost_samples *lost,
+ int cpu_idx, int thread_idx, u64 lost_count,
+ u16 misc_flag)
+{
+ struct perf_sample_id *sid;
+ struct perf_sample sample;
+ int id_hdr_size;
+
+ perf_sample__init(&sample, /*all=*/true);
+ lost->lost = lost_count;
+ if (evsel->core.ids) {
+ sid = xyarray__entry(evsel->core.sample_id, cpu_idx, thread_idx);
+ sample.id = sid->id;
+ }
+
+ id_hdr_size = perf_event__synthesize_id_sample((void *)(lost + 1),
+ evsel->core.attr.sample_type, &sample);
+ lost->header.size = sizeof(*lost) + id_hdr_size;
+ lost->header.misc = misc_flag;
+ record__write(rec, NULL, lost, lost->header.size);
+ perf_sample__exit(&sample);
+}
+
+static void record__read_lost_samples(struct record *rec)
+{
+ struct perf_session *session = rec->session;
+ struct perf_record_lost_samples_and_ids lost;
+ struct evsel *evsel;
+
+ /* there was an error during record__open */
+ if (session->evlist == NULL)
+ return;
+
+ evlist__for_each_entry(session->evlist, evsel) {
+ struct xyarray *xy = evsel->core.sample_id;
+ u64 lost_count;
+
+ if (xy == NULL || evsel->core.fd == NULL)
+ continue;
+ if (xyarray__max_x(evsel->core.fd) != xyarray__max_x(xy) ||
+ xyarray__max_y(evsel->core.fd) != xyarray__max_y(xy)) {
+ pr_debug("Unmatched FD vs. sample ID: skip reading LOST count\n");
+ continue;
+ }
+
+ for (int x = 0; x < xyarray__max_x(xy); x++) {
+ for (int y = 0; y < xyarray__max_y(xy); y++) {
+ struct perf_counts_values count;
+
+ if (perf_evsel__read(&evsel->core, x, y, &count) < 0) {
+ pr_debug("read LOST count failed\n");
+ return;
+ }
+
+ if (count.lost) {
+ memset(&lost, 0, sizeof(lost));
+ lost.lost.header.type = PERF_RECORD_LOST_SAMPLES;
+ __record__save_lost_samples(rec, evsel, &lost.lost,
+ x, y, count.lost, 0);
+ }
+ }
+ }
+
+ lost_count = perf_bpf_filter__lost_count(evsel);
+ if (lost_count) {
+ memset(&lost, 0, sizeof(lost));
+ lost.lost.header.type = PERF_RECORD_LOST_SAMPLES;
+ __record__save_lost_samples(rec, evsel, &lost.lost, 0, 0, lost_count,
+ PERF_RECORD_MISC_LOST_SAMPLES_BPF);
+ }
+ }
+}
+
+static volatile sig_atomic_t workload_exec_errno;
/*
- * perf_evlist__prepare_workload will send a SIGUSR1
+ * evlist__prepare_workload will send a SIGUSR1
* if the fork fails, since we asked by setting its
* want_signal to true.
*/
@@ -747,32 +2063,20 @@ static void workload_exec_failed_signal(int signo __maybe_unused,
static void snapshot_sig_handler(int sig);
static void alarm_sig_handler(int sig);
-int __weak
-perf_event__synth_time_conv(const struct perf_event_mmap_page *pc __maybe_unused,
- struct perf_tool *tool __maybe_unused,
- perf_event__handler_t process __maybe_unused,
- struct machine *machine __maybe_unused)
-{
- return 0;
-}
-
-static const struct perf_event_mmap_page *
-perf_evlist__pick_pc(struct perf_evlist *evlist)
+static const struct perf_event_mmap_page *evlist__pick_pc(struct evlist *evlist)
{
if (evlist) {
- if (evlist->mmap && evlist->mmap[0].base)
- return evlist->mmap[0].base;
- if (evlist->backward_mmap && evlist->backward_mmap[0].base)
- return evlist->backward_mmap[0].base;
+ if (evlist->mmap && evlist->mmap[0].core.base)
+ return evlist->mmap[0].core.base;
+ if (evlist->overwrite_mmap && evlist->overwrite_mmap[0].core.base)
+ return evlist->overwrite_mmap[0].core.base;
}
return NULL;
}
static const struct perf_event_mmap_page *record__pick_pc(struct record *rec)
{
- const struct perf_event_mmap_page *pc;
-
- pc = perf_evlist__pick_pc(rec->evlist);
+ const struct perf_event_mmap_page *pc = evlist__pick_pc(rec->evlist);
if (pc)
return pc;
return NULL;
@@ -782,40 +2086,22 @@ static int record__synthesize(struct record *rec, bool tail)
{
struct perf_session *session = rec->session;
struct machine *machine = &session->machines.host;
- struct perf_data_file *file = &rec->file;
+ struct perf_data *data = &rec->data;
struct record_opts *opts = &rec->opts;
struct perf_tool *tool = &rec->tool;
- int fd = perf_data_file__fd(file);
int err = 0;
+ event_op f = process_synthesized_event;
if (rec->opts.tail_synthesize != tail)
return 0;
- if (file->is_pipe) {
- err = perf_event__synthesize_attrs(tool, session,
- process_synthesized_event);
- if (err < 0) {
- pr_err("Couldn't synthesize attrs.\n");
+ if (data->is_pipe) {
+ err = perf_event__synthesize_for_pipe(tool, session, data,
+ process_synthesized_event);
+ if (err < 0)
goto out;
- }
- if (have_tracepoints(&rec->evlist->entries)) {
- /*
- * FIXME err <= 0 here actually means that
- * there were no tracepoints so its not really
- * an error, just that we don't need to
- * synthesize anything. We really have to
- * return this more properly and also
- * propagate errors that now are calling die()
- */
- err = perf_event__synthesize_tracing_data(tool, fd, rec->evlist,
- process_synthesized_event);
- if (err <= 0) {
- pr_err("Couldn't record tracing data.\n");
- goto out;
- }
- rec->bytes_written += err;
- }
+ rec->bytes_written += err;
}
err = perf_event__synth_time_conv(record__pick_pc(rec), tool,
@@ -823,6 +2109,13 @@ static int record__synthesize(struct record *rec, bool tail)
if (err)
goto out;
+ /* Synthesize id_index before auxtrace_info */
+ err = perf_event__synthesize_id_index(tool,
+ process_synthesized_event,
+ session->evlist, machine);
+ if (err)
+ goto out;
+
if (rec->opts.full_auxtrace) {
err = perf_event__synthesize_auxtrace_info(rec->itr, tool,
session, process_synthesized_event);
@@ -830,45 +2123,321 @@ static int record__synthesize(struct record *rec, bool tail)
goto out;
}
- err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event,
- machine);
- WARN_ONCE(err < 0, "Couldn't record kernel reference relocation symbol\n"
- "Symbol resolution may be skewed if relocation was used (e.g. kexec).\n"
- "Check /proc/kallsyms permission or run as root.\n");
-
- err = perf_event__synthesize_modules(tool, process_synthesized_event,
- machine);
- WARN_ONCE(err < 0, "Couldn't record kernel module information.\n"
- "Symbol resolution may be skewed if relocation was used (e.g. kexec).\n"
- "Check /proc/modules permission or run as root.\n");
+ if (!evlist__exclude_kernel(rec->evlist)) {
+ err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event,
+ machine);
+ WARN_ONCE(err < 0, "Couldn't record kernel reference relocation symbol\n"
+ "Symbol resolution may be skewed if relocation was used (e.g. kexec).\n"
+ "Check /proc/kallsyms permission or run as root.\n");
+
+ err = perf_event__synthesize_modules(tool, process_synthesized_event,
+ machine);
+ WARN_ONCE(err < 0, "Couldn't record kernel module information.\n"
+ "Symbol resolution may be skewed if relocation was used (e.g. kexec).\n"
+ "Check /proc/modules permission or run as root.\n");
+ }
if (perf_guest) {
machines__process_guests(&session->machines,
perf_event__synthesize_guest_os, tool);
}
- err = __machine__synthesize_threads(machine, tool, &opts->target, rec->evlist->threads,
- process_synthesized_event, opts->sample_address,
- opts->proc_map_timeout);
+ err = perf_event__synthesize_extra_attr(&rec->tool,
+ rec->evlist,
+ process_synthesized_event,
+ data->is_pipe);
+ if (err)
+ goto out;
+
+ err = perf_event__synthesize_thread_map2(&rec->tool, rec->evlist->core.threads,
+ process_synthesized_event,
+ NULL);
+ if (err < 0) {
+ pr_err("Couldn't synthesize thread map.\n");
+ return err;
+ }
+
+ err = perf_event__synthesize_cpu_map(&rec->tool, rec->evlist->core.all_cpus,
+ process_synthesized_event, NULL);
+ if (err < 0) {
+ pr_err("Couldn't synthesize cpu map.\n");
+ return err;
+ }
+
+ err = perf_event__synthesize_bpf_events(session, process_synthesized_event,
+ machine, opts);
+ if (err < 0) {
+ pr_warning("Couldn't synthesize bpf events.\n");
+ err = 0;
+ }
+
+ if (rec->opts.synth & PERF_SYNTH_CGROUP) {
+ err = perf_event__synthesize_cgroups(tool, process_synthesized_event,
+ machine);
+ if (err < 0) {
+ pr_warning("Couldn't synthesize cgroup events.\n");
+ err = 0;
+ }
+ }
+
+ if (rec->opts.nr_threads_synthesize > 1) {
+ mutex_init(&synth_lock);
+ perf_set_multithreaded();
+ f = process_locked_synthesized_event;
+ }
+
+ if (rec->opts.synth & PERF_SYNTH_TASK) {
+ bool needs_mmap = rec->opts.synth & PERF_SYNTH_MMAP;
+
+ err = __machine__synthesize_threads(machine, tool, &opts->target,
+ rec->evlist->core.threads,
+ f, needs_mmap, opts->sample_address,
+ rec->opts.nr_threads_synthesize);
+ }
+
+ if (rec->opts.nr_threads_synthesize > 1) {
+ perf_set_singlethreaded();
+ mutex_destroy(&synth_lock);
+ }
+
out:
return err;
}
+static void record__synthesize_final_bpf_metadata(struct record *rec __maybe_unused)
+{
+#ifdef HAVE_LIBBPF_SUPPORT
+ perf_event__synthesize_final_bpf_metadata(rec->session,
+ process_synthesized_event);
+#endif
+}
+
+static int record__process_signal_event(union perf_event *event __maybe_unused, void *data)
+{
+ struct record *rec = data;
+ pthread_kill(rec->thread_id, SIGUSR2);
+ return 0;
+}
+
+static int record__setup_sb_evlist(struct record *rec)
+{
+ struct record_opts *opts = &rec->opts;
+
+ if (rec->sb_evlist != NULL) {
+ /*
+ * We get here if --switch-output-event populated the
+ * sb_evlist, so associate a callback that will send a SIGUSR2
+ * to the main thread.
+ */
+ evlist__set_cb(rec->sb_evlist, record__process_signal_event, rec);
+ rec->thread_id = pthread_self();
+ }
+#ifdef HAVE_LIBBPF_SUPPORT
+ if (!opts->no_bpf_event) {
+ if (rec->sb_evlist == NULL) {
+ rec->sb_evlist = evlist__new();
+
+ if (rec->sb_evlist == NULL) {
+ pr_err("Couldn't create side band evlist.\n.");
+ return -1;
+ }
+ }
+
+ if (evlist__add_bpf_sb_event(rec->sb_evlist, perf_session__env(rec->session))) {
+ pr_err("Couldn't ask for PERF_RECORD_BPF_EVENT side band events.\n.");
+ return -1;
+ }
+ }
+#endif
+ if (evlist__start_sb_thread(rec->sb_evlist, &rec->opts.target)) {
+ pr_debug("Couldn't start the BPF side band thread:\nBPF programs starting from now on won't be annotatable\n");
+ opts->no_bpf_event = true;
+ }
+
+ return 0;
+}
+
+static int record__init_clock(struct record *rec)
+{
+ struct perf_session *session = rec->session;
+ struct timespec ref_clockid;
+ struct timeval ref_tod;
+ struct perf_env *env = perf_session__env(session);
+ u64 ref;
+
+ if (!rec->opts.use_clockid)
+ return 0;
+
+ if (rec->opts.use_clockid && rec->opts.clockid_res_ns)
+ env->clock.clockid_res_ns = rec->opts.clockid_res_ns;
+
+ env->clock.clockid = rec->opts.clockid;
+
+ if (gettimeofday(&ref_tod, NULL) != 0) {
+ pr_err("gettimeofday failed, cannot set reference time.\n");
+ return -1;
+ }
+
+ if (clock_gettime(rec->opts.clockid, &ref_clockid)) {
+ pr_err("clock_gettime failed, cannot set reference time.\n");
+ return -1;
+ }
+
+ ref = (u64) ref_tod.tv_sec * NSEC_PER_SEC +
+ (u64) ref_tod.tv_usec * NSEC_PER_USEC;
+
+ env->clock.tod_ns = ref;
+
+ ref = (u64) ref_clockid.tv_sec * NSEC_PER_SEC +
+ (u64) ref_clockid.tv_nsec;
+
+ env->clock.clockid_ns = ref;
+ return 0;
+}
+
+static void hit_auxtrace_snapshot_trigger(struct record *rec)
+{
+ if (trigger_is_ready(&auxtrace_snapshot_trigger)) {
+ trigger_hit(&auxtrace_snapshot_trigger);
+ auxtrace_record__snapshot_started = 1;
+ if (auxtrace_record__snapshot_start(rec->itr))
+ trigger_error(&auxtrace_snapshot_trigger);
+ }
+}
+
+static int record__terminate_thread(struct record_thread *thread_data)
+{
+ int err;
+ enum thread_msg ack = THREAD_MSG__UNDEFINED;
+ pid_t tid = thread_data->tid;
+
+ close(thread_data->pipes.msg[1]);
+ thread_data->pipes.msg[1] = -1;
+ err = read(thread_data->pipes.ack[0], &ack, sizeof(ack));
+ if (err > 0)
+ pr_debug2("threads[%d]: sent %s\n", tid, thread_msg_tags[ack]);
+ else
+ pr_warning("threads[%d]: failed to receive termination notification from %d\n",
+ thread->tid, tid);
+
+ return 0;
+}
+
+static int record__start_threads(struct record *rec)
+{
+ int t, tt, err, ret = 0, nr_threads = rec->nr_threads;
+ struct record_thread *thread_data = rec->thread_data;
+ sigset_t full, mask;
+ pthread_t handle;
+ pthread_attr_t attrs;
+
+ thread = &thread_data[0];
+
+ if (!record__threads_enabled(rec))
+ return 0;
+
+ sigfillset(&full);
+ if (sigprocmask(SIG_SETMASK, &full, &mask)) {
+ pr_err("Failed to block signals on threads start: %s\n", strerror(errno));
+ return -1;
+ }
+
+ pthread_attr_init(&attrs);
+ pthread_attr_setdetachstate(&attrs, PTHREAD_CREATE_DETACHED);
+
+ for (t = 1; t < nr_threads; t++) {
+ enum thread_msg msg = THREAD_MSG__UNDEFINED;
+
+#ifdef HAVE_PTHREAD_ATTR_SETAFFINITY_NP
+ pthread_attr_setaffinity_np(&attrs,
+ MMAP_CPU_MASK_BYTES(&(thread_data[t].mask->affinity)),
+ (cpu_set_t *)(thread_data[t].mask->affinity.bits));
+#endif
+ if (pthread_create(&handle, &attrs, record__thread, &thread_data[t])) {
+ for (tt = 1; tt < t; tt++)
+ record__terminate_thread(&thread_data[t]);
+ pr_err("Failed to start threads: %s\n", strerror(errno));
+ ret = -1;
+ goto out_err;
+ }
+
+ err = read(thread_data[t].pipes.ack[0], &msg, sizeof(msg));
+ if (err > 0)
+ pr_debug2("threads[%d]: sent %s\n", rec->thread_data[t].tid,
+ thread_msg_tags[msg]);
+ else
+ pr_warning("threads[%d]: failed to receive start notification from %d\n",
+ thread->tid, rec->thread_data[t].tid);
+ }
+
+ sched_setaffinity(0, MMAP_CPU_MASK_BYTES(&thread->mask->affinity),
+ (cpu_set_t *)thread->mask->affinity.bits);
+
+ pr_debug("threads[%d]: started on cpu%d\n", thread->tid, sched_getcpu());
+
+out_err:
+ pthread_attr_destroy(&attrs);
+
+ if (sigprocmask(SIG_SETMASK, &mask, NULL)) {
+ pr_err("Failed to unblock signals on threads start: %s\n", strerror(errno));
+ ret = -1;
+ }
+
+ return ret;
+}
+
+static int record__stop_threads(struct record *rec)
+{
+ int t;
+ struct record_thread *thread_data = rec->thread_data;
+
+ for (t = 1; t < rec->nr_threads; t++)
+ record__terminate_thread(&thread_data[t]);
+
+ for (t = 0; t < rec->nr_threads; t++) {
+ rec->samples += thread_data[t].samples;
+ if (!record__threads_enabled(rec))
+ continue;
+ rec->session->bytes_transferred += thread_data[t].bytes_transferred;
+ rec->session->bytes_compressed += thread_data[t].bytes_compressed;
+ pr_debug("threads[%d]: samples=%lld, wakes=%ld, ", thread_data[t].tid,
+ thread_data[t].samples, thread_data[t].waking);
+ if (thread_data[t].bytes_transferred && thread_data[t].bytes_compressed)
+ pr_debug("transferred=%" PRIu64 ", compressed=%" PRIu64 "\n",
+ thread_data[t].bytes_transferred, thread_data[t].bytes_compressed);
+ else
+ pr_debug("written=%" PRIu64 "\n", thread_data[t].bytes_written);
+ }
+
+ return 0;
+}
+
+static unsigned long record__waking(struct record *rec)
+{
+ int t;
+ unsigned long waking = 0;
+ struct record_thread *thread_data = rec->thread_data;
+
+ for (t = 0; t < rec->nr_threads; t++)
+ waking += thread_data[t].waking;
+
+ return waking;
+}
+
static int __cmd_record(struct record *rec, int argc, const char **argv)
{
int err;
int status = 0;
- unsigned long waking = 0;
const bool forks = argc > 0;
- struct machine *machine;
struct perf_tool *tool = &rec->tool;
struct record_opts *opts = &rec->opts;
- struct perf_data_file *file = &rec->file;
+ struct perf_data *data = &rec->data;
struct perf_session *session;
bool disabled = false, draining = false;
int fd;
-
- rec->progname = argv[0];
+ float ratio = 0;
+ enum evlist_ctl_cmd cmd = EVLIST_CTL_CMD_UNSUPPORTED;
+ struct perf_env *env;
atexit(record__sig_exit);
signal(SIGCHLD, sig_handler);
@@ -876,8 +2445,12 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
signal(SIGTERM, sig_handler);
signal(SIGSEGV, sigsegv_handler);
- if (rec->opts.record_namespaces)
- tool->namespace_events = true;
+ if (rec->opts.record_cgroup) {
+#ifndef HAVE_FILE_HANDLE
+ pr_err("cgroup tracking is not supported\n");
+ return -1;
+#endif
+ }
if (rec->opts.auxtrace_snapshot_mode || rec->switch_output.enabled) {
signal(SIGUSR2, snapshot_sig_handler);
@@ -889,21 +2462,74 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
signal(SIGUSR2, SIG_IGN);
}
- session = perf_session__new(file, false, tool);
- if (session == NULL) {
+ perf_tool__init(tool, /*ordered_events=*/true);
+ tool->sample = process_sample_event;
+ tool->fork = perf_event__process_fork;
+ tool->exit = perf_event__process_exit;
+ tool->comm = perf_event__process_comm;
+ tool->namespaces = perf_event__process_namespaces;
+ tool->mmap = build_id__process_mmap;
+ tool->mmap2 = build_id__process_mmap2;
+ tool->itrace_start = process_timestamp_boundary;
+ tool->aux = process_timestamp_boundary;
+ tool->namespace_events = rec->opts.record_namespaces;
+ tool->cgroup_events = rec->opts.record_cgroup;
+ session = perf_session__new(data, tool);
+ if (IS_ERR(session)) {
pr_err("Perf session creation failed.\n");
- return -1;
+ return PTR_ERR(session);
+ }
+ env = perf_session__env(session);
+ if (record__threads_enabled(rec)) {
+ if (perf_data__is_pipe(&rec->data)) {
+ pr_err("Parallel trace streaming is not available in pipe mode.\n");
+ return -1;
+ }
+ if (rec->opts.full_auxtrace) {
+ pr_err("Parallel trace streaming is not available in AUX area tracing mode.\n");
+ return -1;
+ }
}
- fd = perf_data_file__fd(file);
+ fd = perf_data__fd(data);
rec->session = session;
+ if (zstd_init(&session->zstd_data, rec->opts.comp_level) < 0) {
+ pr_err("Compression initialization failed.\n");
+ return -1;
+ }
+#ifdef HAVE_EVENTFD_SUPPORT
+ done_fd = eventfd(0, EFD_NONBLOCK);
+ if (done_fd < 0) {
+ pr_err("Failed to create wakeup eventfd, error: %m\n");
+ status = -1;
+ goto out_delete_session;
+ }
+ err = evlist__add_wakeup_eventfd(rec->evlist, done_fd);
+ if (err < 0) {
+ pr_err("Failed to add wakeup eventfd to poll list\n");
+ status = err;
+ goto out_delete_session;
+ }
+#endif // HAVE_EVENTFD_SUPPORT
+
+ env->comp_type = PERF_COMP_ZSTD;
+ env->comp_level = rec->opts.comp_level;
+
+ if (rec->opts.kcore &&
+ !record__kcore_readable(&session->machines.host)) {
+ pr_err("ERROR: kcore is not readable.\n");
+ return -1;
+ }
+
+ if (record__init_clock(rec))
+ return -1;
+
record__init_features(rec);
if (forks) {
- err = perf_evlist__prepare_workload(rec->evlist, &opts->target,
- argv, file->is_pipe,
- workload_exec_failed_signal);
+ err = evlist__prepare_workload(rec->evlist, &opts->target, argv, data->is_pipe,
+ workload_exec_failed_signal);
if (err < 0) {
pr_err("Couldn't run the workload!\n");
status = err;
@@ -911,56 +2537,86 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
}
}
- if (record__open(rec) != 0) {
- err = -1;
- goto out_child;
+ /*
+ * If we have just single event and are sending data
+ * through pipe, we need to force the ids allocation,
+ * because we synthesize event name through the pipe
+ * and need the id for that.
+ */
+ if (data->is_pipe && rec->evlist->core.nr_entries == 1)
+ rec->opts.sample_id = true;
+
+ if (rec->timestamp_filename && perf_data__is_pipe(data)) {
+ rec->timestamp_filename = false;
+ pr_warning("WARNING: --timestamp-filename option is not available in pipe mode.\n");
}
- err = bpf__apply_obj_config();
- if (err) {
- char errbuf[BUFSIZ];
+ /*
+ * Use global stat_config that is zero meaning aggr_mode is AGGR_NONE
+ * and hybrid_merge is false.
+ */
+ evlist__uniquify_evsel_names(rec->evlist, &stat_config);
- bpf__strerror_apply_obj_config(err, errbuf, sizeof(errbuf));
- pr_err("ERROR: Apply config to BPF failed: %s\n",
- errbuf);
- goto out_child;
+ evlist__config(rec->evlist, opts, &callchain_param);
+
+ /* Debug message used by test scripts */
+ pr_debug3("perf record opening and mmapping events\n");
+ if (record__open(rec) != 0) {
+ err = -1;
+ goto out_free_threads;
+ }
+ /* Debug message used by test scripts */
+ pr_debug3("perf record done opening and mmapping events\n");
+ env->comp_mmap_len = session->evlist->core.mmap_len;
+
+ if (rec->opts.kcore) {
+ err = record__kcore_copy(&session->machines.host, data);
+ if (err) {
+ pr_err("ERROR: Failed to copy kcore\n");
+ goto out_free_threads;
+ }
}
/*
* Normally perf_session__new would do this, but it doesn't have the
* evlist.
*/
- if (rec->tool.ordered_events && !perf_evlist__sample_id_all(rec->evlist)) {
+ if (rec->tool.ordered_events && !evlist__sample_id_all(rec->evlist)) {
pr_warning("WARNING: No sample_id_all support, falling back to unordered processing\n");
rec->tool.ordered_events = false;
}
- if (!rec->evlist->nr_groups)
+ if (evlist__nr_groups(rec->evlist) == 0)
perf_header__clear_feat(&session->header, HEADER_GROUP_DESC);
- if (file->is_pipe) {
+ if (data->is_pipe) {
err = perf_header__write_pipe(fd);
if (err < 0)
- goto out_child;
+ goto out_free_threads;
} else {
err = perf_session__write_header(session, rec->evlist, fd, false);
if (err < 0)
- goto out_child;
+ goto out_free_threads;
}
+ err = -1;
if (!rec->no_buildid
&& !perf_header__has_feat(&session->header, HEADER_BUILD_ID)) {
pr_err("Couldn't generate buildids. "
"Use --no-buildid to profile anyway.\n");
- err = -1;
- goto out_child;
+ goto out_free_threads;
}
- machine = &session->machines.host;
+ if (!evlist__needs_bpf_sb_event(rec->evlist))
+ opts->no_bpf_event = true;
+
+ err = record__setup_sb_evlist(rec);
+ if (err)
+ goto out_free_threads;
err = record__synthesize(rec, false);
if (err < 0)
- goto out_child;
+ goto out_free_threads;
if (rec->realtime_prio) {
struct sched_param param;
@@ -969,22 +2625,33 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
if (sched_setscheduler(0, SCHED_FIFO, &param)) {
pr_err("Could not set realtime priority.\n");
err = -1;
- goto out_child;
+ goto out_free_threads;
}
}
+ if (record__start_threads(rec))
+ goto out_free_threads;
+
/*
* When perf is starting the traced process, all the events
* (apart from group members) have enable_on_exec=1 set,
* so don't spoil it by prematurely enabling them.
*/
- if (!target__none(&opts->target) && !opts->initial_delay)
- perf_evlist__enable(rec->evlist);
+ if (!target__none(&opts->target) && !opts->target.initial_delay)
+ evlist__enable(rec->evlist);
+
+ /*
+ * offcpu-time does not call execve, so enable_on_exe wouldn't work
+ * when recording a workload, do it manually
+ */
+ if (rec->off_cpu)
+ evlist__enable_evsel(rec->evlist, (char *)OFFCPU_EVENT);
/*
* Let the child rip
*/
if (forks) {
+ struct machine *machine = &session->machines.host;
union perf_event *event;
pid_t tgid;
@@ -1026,32 +2693,53 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
machine);
free(event);
- perf_evlist__start_workload(rec->evlist);
+ evlist__start_workload(rec->evlist);
}
- if (opts->initial_delay) {
- usleep(opts->initial_delay * USEC_PER_MSEC);
- perf_evlist__enable(rec->evlist);
+ if (opts->target.initial_delay) {
+ pr_info(EVLIST_DISABLED_MSG);
+ if (opts->target.initial_delay > 0) {
+ usleep(opts->target.initial_delay * USEC_PER_MSEC);
+ evlist__enable(rec->evlist);
+ pr_info(EVLIST_ENABLED_MSG);
+ }
}
+ err = event_enable_timer__start(rec->evlist->eet);
+ if (err)
+ goto out_child;
+
+ /* Debug message used by test scripts */
+ pr_debug3("perf record has started\n");
+ fflush(stderr);
+
trigger_ready(&auxtrace_snapshot_trigger);
trigger_ready(&switch_output_trigger);
perf_hooks__invoke_record_start();
+
+ /*
+ * Must write FINISHED_INIT so it will be seen after all other
+ * synthesized user events, but before any regular events.
+ */
+ err = write_finished_init(rec, false);
+ if (err < 0)
+ goto out_child;
+
for (;;) {
- unsigned long long hits = rec->samples;
+ unsigned long long hits = thread->samples;
/*
* rec->evlist->bkw_mmap_state is possible to be
* BKW_MMAP_EMPTY here: when done == true and
* hits != rec->samples in previous round.
*
- * perf_evlist__toggle_bkw_mmap ensure we never
+ * evlist__toggle_bkw_mmap ensure we never
* convert BKW_MMAP_EMPTY to BKW_MMAP_DATA_PENDING.
*/
if (trigger_is_hit(&switch_output_trigger) || done || draining)
- perf_evlist__toggle_bkw_mmap(rec->evlist, BKW_MMAP_DATA_PENDING);
+ evlist__toggle_bkw_mmap(rec->evlist, BKW_MMAP_DATA_PENDING);
- if (record__mmap_read_all(rec) < 0) {
+ if (record__mmap_read_all(rec, false) < 0) {
trigger_error(&auxtrace_snapshot_trigger);
trigger_error(&switch_output_trigger);
err = -1;
@@ -1061,7 +2749,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
if (auxtrace_record__snapshot_started) {
auxtrace_record__snapshot_started = 0;
if (!trigger_is_error(&auxtrace_snapshot_trigger))
- record__read_auxtrace_snapshot(rec);
+ record__read_auxtrace_snapshot(rec, false);
if (trigger_is_error(&auxtrace_snapshot_trigger)) {
pr_err("AUX area tracing snapshot failed\n");
err = -1;
@@ -1088,12 +2776,12 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
* record__mmap_read_all(): we should have collected
* data from it.
*/
- perf_evlist__toggle_bkw_mmap(rec->evlist, BKW_MMAP_RUNNING);
+ evlist__toggle_bkw_mmap(rec->evlist, BKW_MMAP_RUNNING);
if (!quiet)
fprintf(stderr, "[ perf record: dump data: Woken up %ld times ]\n",
- waking);
- waking = 0;
+ record__waking(rec));
+ thread->waking = 0;
fd = record__switch_output(rec, false);
if (fd < 0) {
pr_err("Failed to switch to new file\n");
@@ -1107,20 +2795,53 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
alarm(rec->switch_output.time);
}
- if (hits == rec->samples) {
+ if (hits == thread->samples) {
if (done || draining)
break;
- err = perf_evlist__poll(rec->evlist, -1);
+ err = fdarray__poll(&thread->pollfd, -1);
/*
* Propagate error, only if there's any. Ignore positive
* number of returned events and interrupt error.
*/
if (err > 0 || (err < 0 && errno == EINTR))
err = 0;
- waking++;
+ thread->waking++;
- if (perf_evlist__filter_pollfd(rec->evlist, POLLERR | POLLHUP) == 0)
+ if (fdarray__filter(&thread->pollfd, POLLERR | POLLHUP,
+ record__thread_munmap_filtered, NULL) == 0)
draining = true;
+
+ err = record__update_evlist_pollfd_from_thread(rec, rec->evlist, thread);
+ if (err)
+ goto out_child;
+ }
+
+ if (evlist__ctlfd_process(rec->evlist, &cmd) > 0) {
+ switch (cmd) {
+ case EVLIST_CTL_CMD_SNAPSHOT:
+ hit_auxtrace_snapshot_trigger(rec);
+ evlist__ctlfd_ack(rec->evlist);
+ break;
+ case EVLIST_CTL_CMD_STOP:
+ done = 1;
+ break;
+ case EVLIST_CTL_CMD_ACK:
+ case EVLIST_CTL_CMD_UNSUPPORTED:
+ case EVLIST_CTL_CMD_ENABLE:
+ case EVLIST_CTL_CMD_DISABLE:
+ case EVLIST_CTL_CMD_EVLIST:
+ case EVLIST_CTL_CMD_PING:
+ default:
+ break;
+ }
+ }
+
+ err = event_enable_timer__process(rec->evlist->eet);
+ if (err < 0)
+ goto out_child;
+ if (err) {
+ err = 0;
+ done = 1;
}
/*
@@ -1130,28 +2851,55 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
*/
if (done && !disabled && !target__none(&opts->target)) {
trigger_off(&auxtrace_snapshot_trigger);
- perf_evlist__disable(rec->evlist);
+ evlist__disable(rec->evlist);
disabled = true;
}
}
+
trigger_off(&auxtrace_snapshot_trigger);
trigger_off(&switch_output_trigger);
+ record__synthesize_final_bpf_metadata(rec);
+
+ if (opts->auxtrace_snapshot_on_exit)
+ record__auxtrace_snapshot_exit(rec);
+
if (forks && workload_exec_errno) {
char msg[STRERR_BUFSIZE];
const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg));
- pr_err("Workload failed: %s\n", emsg);
+ struct strbuf sb = STRBUF_INIT;
+
+ evlist__format_evsels(rec->evlist, &sb, 2048);
+
+ pr_err("Failed to collect '%s' for the '%s' workload: %s\n",
+ sb.buf, argv[0], emsg);
+ strbuf_release(&sb);
err = -1;
goto out_child;
}
if (!quiet)
- fprintf(stderr, "[ perf record: Woken up %ld times to write data ]\n", waking);
+ fprintf(stderr, "[ perf record: Woken up %ld times to write data ]\n",
+ record__waking(rec));
+
+ write_finished_init(rec, true);
if (target__none(&rec->opts.target))
record__synthesize_workload(rec, true);
out_child:
+ record__stop_threads(rec);
+ record__mmap_read_all(rec, true);
+out_free_threads:
+ record__free_thread_data(rec);
+ evlist__finalize_ctlfd(rec->evlist);
+ record__aio_mmap_read_sync(rec);
+
+ if (rec->session->bytes_transferred && rec->session->bytes_compressed) {
+ ratio = (float)rec->session->bytes_transferred/(float)rec->session->bytes_compressed;
+ env->comp_ratio = ratio + 0.5;
+ }
+
if (forks) {
int exit_status;
@@ -1169,11 +2917,15 @@ out_child:
} else
status = err;
- record__synthesize(rec, true);
+ if (rec->off_cpu)
+ rec->bytes_written += off_cpu_write(rec->session);
+
+ record__read_lost_samples(rec);
/* this will be recalculated during process_buildids() */
rec->samples = 0;
if (!err) {
+ record__synthesize(rec, true);
if (!rec->timestamp_filename) {
record__finish_output(rec);
} else {
@@ -1198,12 +2950,30 @@ out_child:
else
samples[0] = '\0';
- fprintf(stderr, "[ perf record: Captured and wrote %.3f MB %s%s%s ]\n",
- perf_data_file__size(file) / 1024.0 / 1024.0,
- file->path, postfix, samples);
+ fprintf(stderr, "[ perf record: Captured and wrote %.3f MB %s%s%s",
+ perf_data__size(data) / 1024.0 / 1024.0,
+ data->path, postfix, samples);
+ if (ratio) {
+ fprintf(stderr, ", compressed (original %.3f MB, ratio is %.3f)",
+ rec->session->bytes_transferred / 1024.0 / 1024.0,
+ ratio);
+ }
+ fprintf(stderr, " ]\n");
}
out_delete_session:
+#ifdef HAVE_EVENTFD_SUPPORT
+ if (done_fd >= 0) {
+ fd = done_fd;
+ done_fd = -1;
+
+ close(fd);
+ }
+#endif
+ zstd_fini(&session->zstd_data);
+ if (!opts->no_bpf_event)
+ evlist__stop_sb_thread(rec->sb_evlist);
+
perf_session__delete(session);
return status;
}
@@ -1276,98 +3046,154 @@ static int perf_record_config(const char *var, const char *value, void *cb)
else if (!strcmp(value, "no-cache"))
rec->no_buildid_cache = true;
else if (!strcmp(value, "skip"))
- rec->no_buildid = true;
+ rec->no_buildid = rec->no_buildid_cache = true;
+ else if (!strcmp(value, "mmap"))
+ rec->buildid_mmap = true;
+ else if (!strcmp(value, "no-mmap"))
+ rec->buildid_mmap = false;
else
return -1;
return 0;
}
- if (!strcmp(var, "record.call-graph"))
- var = "call-graph.record-mode"; /* fall-through */
+ if (!strcmp(var, "record.call-graph")) {
+ var = "call-graph.record-mode";
+ return perf_default_config(var, value, cb);
+ }
+#ifdef HAVE_AIO_SUPPORT
+ if (!strcmp(var, "record.aio")) {
+ rec->opts.nr_cblocks = strtol(value, NULL, 0);
+ if (!rec->opts.nr_cblocks)
+ rec->opts.nr_cblocks = nr_cblocks_default;
+ }
+#endif
+ if (!strcmp(var, "record.debuginfod")) {
+ rec->debuginfod.urls = strdup(value);
+ if (!rec->debuginfod.urls)
+ return -ENOMEM;
+ rec->debuginfod.set = true;
+ }
- return perf_default_config(var, value, cb);
+ return 0;
}
-struct clockid_map {
- const char *name;
- int clockid;
-};
+static int record__parse_event_enable_time(const struct option *opt, const char *str, int unset)
+{
+ struct record *rec = (struct record *)opt->value;
-#define CLOCKID_MAP(n, c) \
- { .name = n, .clockid = (c), }
+ return evlist__parse_event_enable_time(rec->evlist, &rec->opts, str, unset);
+}
-#define CLOCKID_END { .name = NULL, }
+static int record__parse_affinity(const struct option *opt, const char *str, int unset)
+{
+ struct record_opts *opts = (struct record_opts *)opt->value;
+ if (unset || !str)
+ return 0;
-/*
- * Add the missing ones, we need to build on many distros...
- */
-#ifndef CLOCK_MONOTONIC_RAW
-#define CLOCK_MONOTONIC_RAW 4
-#endif
-#ifndef CLOCK_BOOTTIME
-#define CLOCK_BOOTTIME 7
-#endif
-#ifndef CLOCK_TAI
-#define CLOCK_TAI 11
-#endif
+ if (!strcasecmp(str, "node"))
+ opts->affinity = PERF_AFFINITY_NODE;
+ else if (!strcasecmp(str, "cpu"))
+ opts->affinity = PERF_AFFINITY_CPU;
-static const struct clockid_map clockids[] = {
- /* available for all events, NMI safe */
- CLOCKID_MAP("monotonic", CLOCK_MONOTONIC),
- CLOCKID_MAP("monotonic_raw", CLOCK_MONOTONIC_RAW),
+ return 0;
+}
- /* available for some events */
- CLOCKID_MAP("realtime", CLOCK_REALTIME),
- CLOCKID_MAP("boottime", CLOCK_BOOTTIME),
- CLOCKID_MAP("tai", CLOCK_TAI),
+static int record__mmap_cpu_mask_alloc(struct mmap_cpu_mask *mask, int nr_bits)
+{
+ mask->nbits = nr_bits;
+ mask->bits = bitmap_zalloc(mask->nbits);
+ if (!mask->bits)
+ return -ENOMEM;
- /* available for the lazy */
- CLOCKID_MAP("mono", CLOCK_MONOTONIC),
- CLOCKID_MAP("raw", CLOCK_MONOTONIC_RAW),
- CLOCKID_MAP("real", CLOCK_REALTIME),
- CLOCKID_MAP("boot", CLOCK_BOOTTIME),
+ return 0;
+}
- CLOCKID_END,
-};
+static void record__mmap_cpu_mask_free(struct mmap_cpu_mask *mask)
+{
+ bitmap_free(mask->bits);
+ mask->nbits = 0;
+}
-static int parse_clockid(const struct option *opt, const char *str, int unset)
+static int record__thread_mask_alloc(struct thread_mask *mask, int nr_bits)
{
- struct record_opts *opts = (struct record_opts *)opt->value;
- const struct clockid_map *cm;
- const char *ostr = str;
+ int ret;
- if (unset) {
- opts->use_clockid = 0;
- return 0;
+ ret = record__mmap_cpu_mask_alloc(&mask->maps, nr_bits);
+ if (ret) {
+ mask->affinity.bits = NULL;
+ return ret;
}
- /* no arg passed */
- if (!str)
- return 0;
-
- /* no setting it twice */
- if (opts->use_clockid)
- return -1;
+ ret = record__mmap_cpu_mask_alloc(&mask->affinity, nr_bits);
+ if (ret) {
+ record__mmap_cpu_mask_free(&mask->maps);
+ mask->maps.bits = NULL;
+ }
- opts->use_clockid = true;
+ return ret;
+}
- /* if its a number, we're done */
- if (sscanf(str, "%d", &opts->clockid) == 1)
- return 0;
+static void record__thread_mask_free(struct thread_mask *mask)
+{
+ record__mmap_cpu_mask_free(&mask->maps);
+ record__mmap_cpu_mask_free(&mask->affinity);
+}
- /* allow a "CLOCK_" prefix to the name */
- if (!strncasecmp(str, "CLOCK_", 6))
- str += 6;
+static int record__parse_threads(const struct option *opt, const char *str, int unset)
+{
+ int s;
+ struct record_opts *opts = opt->value;
- for (cm = clockids; cm->name; cm++) {
- if (!strcasecmp(str, cm->name)) {
- opts->clockid = cm->clockid;
- return 0;
+ if (unset || !str || !strlen(str)) {
+ opts->threads_spec = THREAD_SPEC__CPU;
+ } else {
+ for (s = 1; s < THREAD_SPEC__MAX; s++) {
+ if (s == THREAD_SPEC__USER) {
+ opts->threads_user_spec = strdup(str);
+ if (!opts->threads_user_spec)
+ return -ENOMEM;
+ opts->threads_spec = THREAD_SPEC__USER;
+ break;
+ }
+ if (!strncasecmp(str, thread_spec_tags[s], strlen(thread_spec_tags[s]))) {
+ opts->threads_spec = s;
+ break;
+ }
}
}
- opts->use_clockid = false;
- ui__warning("unknown clockid %s, check man page\n", ostr);
+ if (opts->threads_spec == THREAD_SPEC__USER)
+ pr_debug("threads_spec: %s\n", opts->threads_user_spec);
+ else
+ pr_debug("threads_spec: %s\n", thread_spec_tags[opts->threads_spec]);
+
+ return 0;
+}
+
+static int parse_output_max_size(const struct option *opt,
+ const char *str, int unset)
+{
+ unsigned long *s = (unsigned long *)opt->value;
+ static struct parse_tag tags_size[] = {
+ { .tag = 'B', .mult = 1 },
+ { .tag = 'K', .mult = 1 << 10 },
+ { .tag = 'M', .mult = 1 << 20 },
+ { .tag = 'G', .mult = 1 << 30 },
+ { .tag = 0 },
+ };
+ unsigned long val;
+
+ if (unset) {
+ *s = 0;
+ return 0;
+ }
+
+ val = parse_tag_value(str, tags_size);
+ if (val != (unsigned long) -1) {
+ *s = val;
+ return 0;
+ }
+
return -1;
}
@@ -1392,7 +3218,7 @@ static int record__parse_mmap_pages(const struct option *opt,
*p = '\0';
if (*s) {
- ret = __perf_evlist__parse_mmap_pages(&mmap_pages, s);
+ ret = __evlist__parse_mmap_pages(&mmap_pages, s);
if (ret)
goto out_free;
opts->mmap_pages = mmap_pages;
@@ -1403,7 +3229,7 @@ static int record__parse_mmap_pages(const struct option *opt,
goto out_free;
}
- ret = __perf_evlist__parse_mmap_pages(&mmap_pages, p + 1);
+ ret = __evlist__parse_mmap_pages(&mmap_pages, p + 1);
if (ret)
goto out_free;
@@ -1414,9 +3240,44 @@ out_free:
return ret;
}
+static int record__parse_off_cpu_thresh(const struct option *opt,
+ const char *str,
+ int unset __maybe_unused)
+{
+ struct record_opts *opts = opt->value;
+ char *endptr;
+ u64 off_cpu_thresh_ms;
+
+ if (!str)
+ return -EINVAL;
+
+ off_cpu_thresh_ms = strtoull(str, &endptr, 10);
+
+ /* the threshold isn't string "0", yet strtoull() returns 0, parsing failed */
+ if (*endptr || (off_cpu_thresh_ms == 0 && strcmp(str, "0")))
+ return -EINVAL;
+ else
+ opts->off_cpu_thresh_ns = off_cpu_thresh_ms * NSEC_PER_MSEC;
+
+ return 0;
+}
+
+void __weak arch__add_leaf_frame_record_opts(struct record_opts *opts __maybe_unused)
+{
+}
+
+static int parse_control_option(const struct option *opt,
+ const char *str,
+ int unset __maybe_unused)
+{
+ struct record_opts *opts = opt->value;
+
+ return evlist__parse_control(str, &opts->ctl_fd, &opts->ctl_fd_ack, &opts->ctl_fd_close);
+}
+
static void switch_output_size_warn(struct record *rec)
{
- u64 wakeup_size = perf_evlist__mmap_size(rec->opts.mmap_pages);
+ u64 wakeup_size = evlist__mmap_size(rec->opts.mmap_pages);
struct switch_output *s = &rec->switch_output;
wakeup_size /= 2;
@@ -1450,10 +3311,29 @@ static int switch_output_setup(struct record *rec)
};
unsigned long val;
+ /*
+ * If we're using --switch-output-events, then we imply its
+ * --switch-output=signal, as we'll send a SIGUSR2 from the side band
+ * thread to its parent.
+ */
+ if (rec->switch_output_event_set) {
+ if (record__threads_enabled(rec)) {
+ pr_warning("WARNING: --switch-output-event option is not available in parallel streaming mode.\n");
+ return 0;
+ }
+ goto do_signal;
+ }
+
if (!s->set)
return 0;
+ if (record__threads_enabled(rec)) {
+ pr_warning("WARNING: --switch-output option is not available in parallel streaming mode.\n");
+ return 0;
+ }
+
if (!strcmp(s->str, "signal")) {
+do_signal:
s->signal = true;
pr_debug("switch-output with SIGUSR2 signal\n");
goto enabled;
@@ -1493,6 +3373,62 @@ static const char * const __record_usage[] = {
};
const char * const *record_usage = __record_usage;
+static int build_id__process_mmap(const struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample, struct machine *machine)
+{
+ /*
+ * We already have the kernel maps, put in place via perf_session__create_kernel_maps()
+ * no need to add them twice.
+ */
+ if (!(event->header.misc & PERF_RECORD_MISC_USER))
+ return 0;
+ return perf_event__process_mmap(tool, event, sample, machine);
+}
+
+static int build_id__process_mmap2(const struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample, struct machine *machine)
+{
+ /*
+ * We already have the kernel maps, put in place via perf_session__create_kernel_maps()
+ * no need to add them twice.
+ */
+ if (!(event->header.misc & PERF_RECORD_MISC_USER))
+ return 0;
+
+ return perf_event__process_mmap2(tool, event, sample, machine);
+}
+
+static int process_timestamp_boundary(const struct perf_tool *tool,
+ union perf_event *event __maybe_unused,
+ struct perf_sample *sample,
+ struct machine *machine __maybe_unused)
+{
+ struct record *rec = container_of(tool, struct record, tool);
+
+ set_timestamp_boundary(rec, sample->time);
+ return 0;
+}
+
+static int parse_record_synth_option(const struct option *opt,
+ const char *str,
+ int unset __maybe_unused)
+{
+ struct record_opts *opts = opt->value;
+ char *p = strdup(str);
+
+ if (p == NULL)
+ return -1;
+
+ opts->synth = parse_synth_opt(p);
+ free(p);
+
+ if (opts->synth < 0) {
+ pr_err("Invalid synth option: %s\n", str);
+ return -1;
+ }
+ return 0;
+}
+
/*
* XXX Ideally would be local to cmd_record() and passed to a record__new
* because we need to have access to it in record__exit, that is called
@@ -1514,18 +3450,14 @@ static struct record record = {
.uses_mmap = true,
.default_per_cpu = true,
},
- .proc_map_timeout = 500,
- },
- .tool = {
- .sample = process_sample_event,
- .fork = perf_event__process_fork,
- .exit = perf_event__process_exit,
- .comm = perf_event__process_comm,
- .namespaces = perf_event__process_namespaces,
- .mmap = perf_event__process_mmap,
- .mmap2 = perf_event__process_mmap2,
- .ordered_events = true,
+ .mmap_flush = MMAP_FLUSH_DEFAULT,
+ .nr_threads_synthesize = 1,
+ .ctl_fd = -1,
+ .ctl_fd_ack = -1,
+ .synth = PERF_SYNTH_ALL,
+ .off_cpu_thresh_ns = OFFCPU_THRESH,
},
+ .buildid_mmap = true,
};
const char record_callchain_help[] = CALLCHAIN_RECORD_HELP
@@ -1533,19 +3465,30 @@ const char record_callchain_help[] = CALLCHAIN_RECORD_HELP
static bool dry_run;
+static struct parse_events_option_args parse_events_option_args = {
+ .evlistp = &record.evlist,
+};
+
+static struct parse_events_option_args switch_output_parse_events_option_args = {
+ .evlistp = &record.sb_evlist,
+};
+
/*
* XXX Will stay a global variable till we fix builtin-script.c to stop messing
* with it and switch to use the library functions in perf_evlist that came
* from builtin-record.c, i.e. use record_opts,
- * perf_evlist__prepare_workload, etc instead of fork+exec'in 'perf record',
+ * evlist__prepare_workload, etc instead of fork+exec'in 'perf record',
* using pipes, etc.
*/
static struct option __record_options[] = {
- OPT_CALLBACK('e', "event", &record.evlist, "event",
+ OPT_CALLBACK('e', "event", &parse_events_option_args, "event",
"event selector. use 'perf list' to list available events",
parse_events_option),
OPT_CALLBACK(0, "filter", &record.evlist, "filter",
"event filter", parse_filter),
+ OPT_BOOLEAN(0, "latency", &record.latency,
+ "Enable data collection for latency profiling.\n"
+ "\t\t\t Use perf report --latency for latency-centric profile."),
OPT_CALLBACK_NOOPT(0, "exclude-perf", &record.evlist,
NULL, "don't record events from perf itself",
exclude_perf),
@@ -1564,7 +3507,7 @@ static struct option __record_options[] = {
OPT_STRING('C', "cpu", &record.opts.target.cpu_list, "cpu",
"list of cpus to monitor"),
OPT_U64('c', "count", &record.opts.user_interval, "event period to sample"),
- OPT_STRING('o', "output", &record.file.path, "file",
+ OPT_STRING('o', "output", &record.data.path, "file",
"output file name"),
OPT_BOOLEAN_SET('i', "no-inherit", &record.opts.no_inherit,
&record.opts.no_inherit_set,
@@ -1572,12 +3515,18 @@ static struct option __record_options[] = {
OPT_BOOLEAN(0, "tail-synthesize", &record.opts.tail_synthesize,
"synthesize non-sample events at the end of output"),
OPT_BOOLEAN(0, "overwrite", &record.opts.overwrite, "use overwrite mode"),
- OPT_UINTEGER('F', "freq", &record.opts.user_freq, "profile at this frequency"),
+ OPT_BOOLEAN(0, "no-bpf-event", &record.opts.no_bpf_event, "do not record bpf events"),
+ OPT_BOOLEAN(0, "strict-freq", &record.opts.strict_freq,
+ "Fail if the specified frequency can't be used"),
+ OPT_CALLBACK('F', "freq", &record.opts, "freq or 'max'",
+ "profile at this frequency",
+ record__parse_freq),
OPT_CALLBACK('m', "mmap-pages", &record.opts, "pages[,pages]",
"number of mmap data pages and AUX area tracing mmap pages",
record__parse_mmap_pages),
- OPT_BOOLEAN(0, "group", &record.opts.group,
- "put the counters into a counter group"),
+ OPT_CALLBACK(0, "mmap-flush", &record.opts, "number",
+ "Minimal number of bytes that is extracted from mmap data pages (default: 1)",
+ record__mmap_flush_parse),
OPT_CALLBACK_NOOPT('g', NULL, &callchain_param,
NULL, "enables call-graph recording" ,
&record_callchain_opt),
@@ -1586,15 +3535,26 @@ static struct option __record_options[] = {
&record_parse_callchain_opt),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
- OPT_BOOLEAN('q', "quiet", &quiet, "don't print any message"),
+ OPT_BOOLEAN('q', "quiet", &quiet, "don't print any warnings or messages"),
OPT_BOOLEAN('s', "stat", &record.opts.inherit_stat,
"per thread counts"),
OPT_BOOLEAN('d', "data", &record.opts.sample_address, "Record the sample addresses"),
+ OPT_BOOLEAN(0, "phys-data", &record.opts.sample_phys_addr,
+ "Record the sample physical addresses"),
+ OPT_BOOLEAN(0, "data-page-size", &record.opts.sample_data_page_size,
+ "Record the sampled data address data page size"),
+ OPT_BOOLEAN(0, "code-page-size", &record.opts.sample_code_page_size,
+ "Record the sampled code address (ip) page size"),
+ OPT_BOOLEAN(0, "sample-mem-info", &record.opts.sample_data_src,
+ "Record the data source for memory operations"),
OPT_BOOLEAN(0, "sample-cpu", &record.opts.sample_cpu, "Record the sample cpu"),
+ OPT_BOOLEAN(0, "sample-identifier", &record.opts.sample_identifier,
+ "Record the sample identifier"),
OPT_BOOLEAN_SET('T', "timestamp", &record.opts.sample_time,
&record.opts.sample_time_set,
"Record the sample timestamps"),
- OPT_BOOLEAN('P', "period", &record.opts.period, "Record the sample period"),
+ OPT_BOOLEAN_SET('P', "period", &record.opts.period, &record.opts.period_set,
+ "Record the sample period"),
OPT_BOOLEAN('n', "no-samples", &record.opts.no_samples,
"don't sample"),
OPT_BOOLEAN_SET('N', "no-buildid-cache", &record.no_buildid_cache,
@@ -1606,10 +3566,12 @@ static struct option __record_options[] = {
OPT_CALLBACK('G', "cgroup", &record.evlist, "name",
"monitor event in cgroup name only",
parse_cgroups),
- OPT_UINTEGER('D', "delay", &record.opts.initial_delay,
- "ms to wait before starting measurement after program start"),
- OPT_STRING('u', "uid", &record.opts.target.uid_str, "user",
- "user to profile"),
+ OPT_CALLBACK('D', "delay", &record, "ms",
+ "ms to wait before starting measurement after program start (-1: start with events disabled), "
+ "or ranges of time to enable events e.g. '-D 10-20,30-40'",
+ record__parse_event_enable_time),
+ OPT_BOOLEAN(0, "kcore", &record.opts.kcore, "copy /proc/kcore"),
+ OPT_STRING('u', "uid", &record.uid_str, "user", "user to profile"),
OPT_CALLBACK_NOOPT('b', "branch-any", &record.opts.branch_stack,
"branch any", "sample any taken branches",
@@ -1626,7 +3588,10 @@ static struct option __record_options[] = {
"use per-thread mmaps"),
OPT_CALLBACK_OPTARG('I', "intr-regs", &record.opts.sample_intr_regs, NULL, "any register",
"sample selected machine registers on interrupt,"
- " use -I ? to list register names", parse_regs),
+ " use '-I?' to list register names", parse_intr_regs),
+ OPT_CALLBACK_OPTARG(0, "user-regs", &record.opts.sample_user_regs, NULL, "any register",
+ "sample selected machine registers in user space,"
+ " use '--user-regs=?' to list register names", parse_user_regs),
OPT_BOOLEAN(0, "running-time", &record.opts.running_time,
"Record running/enabled time of read (:S) events"),
OPT_CALLBACK('k', "clockid", &record.opts,
@@ -1634,67 +3599,518 @@ static struct option __record_options[] = {
parse_clockid),
OPT_STRING_OPTARG('S', "snapshot", &record.opts.auxtrace_snapshot_opts,
"opts", "AUX area tracing Snapshot Mode", ""),
- OPT_UINTEGER(0, "proc-map-timeout", &record.opts.proc_map_timeout,
+ OPT_STRING_OPTARG(0, "aux-sample", &record.opts.auxtrace_sample_opts,
+ "opts", "sample AUX area", ""),
+ OPT_UINTEGER(0, "proc-map-timeout", &proc_map_timeout,
"per thread proc mmap processing timeout in ms"),
OPT_BOOLEAN(0, "namespaces", &record.opts.record_namespaces,
"Record namespaces events"),
- OPT_BOOLEAN(0, "switch-events", &record.opts.record_switch_events,
- "Record context switch events"),
+ OPT_BOOLEAN(0, "all-cgroups", &record.opts.record_cgroup,
+ "Record cgroup events"),
+ OPT_BOOLEAN_SET(0, "switch-events", &record.opts.record_switch_events,
+ &record.opts.record_switch_events_set,
+ "Record context switch events"),
OPT_BOOLEAN_FLAG(0, "all-kernel", &record.opts.all_kernel,
"Configure all used events to run in kernel space.",
PARSE_OPT_EXCLUSIVE),
OPT_BOOLEAN_FLAG(0, "all-user", &record.opts.all_user,
"Configure all used events to run in user space.",
PARSE_OPT_EXCLUSIVE),
- OPT_STRING(0, "clang-path", &llvm_param.clang_path, "clang path",
- "clang binary to use for compiling BPF scriptlets"),
- OPT_STRING(0, "clang-opt", &llvm_param.clang_opt, "clang options",
- "options passed to clang when compiling BPF scriptlets"),
+ OPT_BOOLEAN(0, "kernel-callchains", &record.opts.kernel_callchains,
+ "collect kernel callchains"),
+ OPT_BOOLEAN(0, "user-callchains", &record.opts.user_callchains,
+ "collect user callchains"),
OPT_STRING(0, "vmlinux", &symbol_conf.vmlinux_name,
"file", "vmlinux pathname"),
OPT_BOOLEAN(0, "buildid-all", &record.buildid_all,
"Record build-id of all DSOs regardless of hits"),
+ OPT_BOOLEAN_SET(0, "buildid-mmap", &record.buildid_mmap, &record.buildid_mmap_set,
+ "Record build-id in mmap events and skip build-id processing."),
OPT_BOOLEAN(0, "timestamp-filename", &record.timestamp_filename,
"append timestamp to output filename"),
+ OPT_BOOLEAN(0, "timestamp-boundary", &record.timestamp_boundary,
+ "Record timestamp boundary (time of first/last samples)"),
OPT_STRING_OPTARG_SET(0, "switch-output", &record.switch_output.str,
- &record.switch_output.set, "signal,size,time",
- "Switch output when receive SIGUSR2 or cross size,time threshold",
+ &record.switch_output.set, "signal or size[BKMG] or time[smhd]",
+ "Switch output when receiving SIGUSR2 (signal) or cross a size or time threshold",
"signal"),
+ OPT_CALLBACK_SET(0, "switch-output-event", &switch_output_parse_events_option_args,
+ &record.switch_output_event_set, "switch output event",
+ "switch output event selector. use 'perf list' to list available events",
+ parse_events_option_new_evlist),
+ OPT_INTEGER(0, "switch-max-files", &record.switch_output.num_files,
+ "Limit number of switch output generated files"),
OPT_BOOLEAN(0, "dry-run", &dry_run,
"Parse options then exit"),
+#ifdef HAVE_AIO_SUPPORT
+ OPT_CALLBACK_OPTARG(0, "aio", &record.opts,
+ &nr_cblocks_default, "n", "Use <n> control blocks in asynchronous trace writing mode (default: 1, max: 4)",
+ record__aio_parse),
+#endif
+ OPT_CALLBACK(0, "affinity", &record.opts, "node|cpu",
+ "Set affinity mask of trace reading thread to NUMA node cpu mask or cpu of processed mmap buffer",
+ record__parse_affinity),
+#ifdef HAVE_ZSTD_SUPPORT
+ OPT_CALLBACK_OPTARG('z', "compression-level", &record.opts, &comp_level_default, "n",
+ "Compress records using specified level (default: 1 - fastest compression, 22 - greatest compression)",
+ record__parse_comp_level),
+#endif
+ OPT_CALLBACK(0, "max-size", &record.output_max_size,
+ "size", "Limit the maximum size of the output file", parse_output_max_size),
+ OPT_UINTEGER(0, "num-thread-synthesize",
+ &record.opts.nr_threads_synthesize,
+ "number of threads to run for event synthesis"),
+#ifdef HAVE_LIBPFM
+ OPT_CALLBACK(0, "pfm-events", &record.evlist, "event",
+ "libpfm4 event selector. use 'perf list' to list available events",
+ parse_libpfm_events_option),
+#endif
+ OPT_CALLBACK(0, "control", &record.opts, "fd:ctl-fd[,ack-fd] or fifo:ctl-fifo[,ack-fifo]",
+ "Listen on ctl-fd descriptor for command to control measurement ('enable': enable events, 'disable': disable events,\n"
+ "\t\t\t 'snapshot': AUX area tracing snapshot).\n"
+ "\t\t\t Optionally send control command completion ('ack\\n') to ack-fd descriptor.\n"
+ "\t\t\t Alternatively, ctl-fifo / ack-fifo will be opened and used as ctl-fd / ack-fd.",
+ parse_control_option),
+ OPT_CALLBACK(0, "synth", &record.opts, "no|all|task|mmap|cgroup",
+ "Fine-tune event synthesis: default=all", parse_record_synth_option),
+ OPT_STRING_OPTARG_SET(0, "debuginfod", &record.debuginfod.urls,
+ &record.debuginfod.set, "debuginfod urls",
+ "Enable debuginfod data retrieval from DEBUGINFOD_URLS or specified urls",
+ "system"),
+ OPT_CALLBACK_OPTARG(0, "threads", &record.opts, NULL, "spec",
+ "write collected trace data into several data files using parallel threads",
+ record__parse_threads),
+ OPT_BOOLEAN(0, "off-cpu", &record.off_cpu, "Enable off-cpu analysis"),
+ OPT_STRING(0, "setup-filter", &record.filter_action, "pin|unpin",
+ "BPF filter action"),
+ OPT_CALLBACK(0, "off-cpu-thresh", &record.opts, "ms",
+ "Dump off-cpu samples if off-cpu time exceeds this threshold (in milliseconds). (Default: 500ms)",
+ record__parse_off_cpu_thresh),
OPT_END()
};
struct option *record_options = __record_options;
+static int record__mmap_cpu_mask_init(struct mmap_cpu_mask *mask, struct perf_cpu_map *cpus)
+{
+ struct perf_cpu cpu;
+ int idx;
+
+ if (cpu_map__is_dummy(cpus))
+ return 0;
+
+ perf_cpu_map__for_each_cpu_skip_any(cpu, idx, cpus) {
+ /* Return ENODEV is input cpu is greater than max cpu */
+ if ((unsigned long)cpu.cpu > mask->nbits)
+ return -ENODEV;
+ __set_bit(cpu.cpu, mask->bits);
+ }
+
+ return 0;
+}
+
+static int record__mmap_cpu_mask_init_spec(struct mmap_cpu_mask *mask, const char *mask_spec)
+{
+ struct perf_cpu_map *cpus;
+
+ cpus = perf_cpu_map__new(mask_spec);
+ if (!cpus)
+ return -ENOMEM;
+
+ bitmap_zero(mask->bits, mask->nbits);
+ if (record__mmap_cpu_mask_init(mask, cpus))
+ return -ENODEV;
+
+ perf_cpu_map__put(cpus);
+
+ return 0;
+}
+
+static void record__free_thread_masks(struct record *rec, int nr_threads)
+{
+ int t;
+
+ if (rec->thread_masks)
+ for (t = 0; t < nr_threads; t++)
+ record__thread_mask_free(&rec->thread_masks[t]);
+
+ zfree(&rec->thread_masks);
+}
+
+static int record__alloc_thread_masks(struct record *rec, int nr_threads, int nr_bits)
+{
+ int t, ret;
+
+ rec->thread_masks = zalloc(nr_threads * sizeof(*(rec->thread_masks)));
+ if (!rec->thread_masks) {
+ pr_err("Failed to allocate thread masks\n");
+ return -ENOMEM;
+ }
+
+ for (t = 0; t < nr_threads; t++) {
+ ret = record__thread_mask_alloc(&rec->thread_masks[t], nr_bits);
+ if (ret) {
+ pr_err("Failed to allocate thread masks[%d]\n", t);
+ goto out_free;
+ }
+ }
+
+ return 0;
+
+out_free:
+ record__free_thread_masks(rec, nr_threads);
+
+ return ret;
+}
+
+static int record__init_thread_cpu_masks(struct record *rec, struct perf_cpu_map *cpus)
+{
+ int t, ret, nr_cpus = perf_cpu_map__nr(cpus);
+
+ ret = record__alloc_thread_masks(rec, nr_cpus, cpu__max_cpu().cpu);
+ if (ret)
+ return ret;
+
+ rec->nr_threads = nr_cpus;
+ pr_debug("nr_threads: %d\n", rec->nr_threads);
+
+ for (t = 0; t < rec->nr_threads; t++) {
+ __set_bit(perf_cpu_map__cpu(cpus, t).cpu, rec->thread_masks[t].maps.bits);
+ __set_bit(perf_cpu_map__cpu(cpus, t).cpu, rec->thread_masks[t].affinity.bits);
+ if (verbose > 0) {
+ pr_debug("thread_masks[%d]: ", t);
+ mmap_cpu_mask__scnprintf(&rec->thread_masks[t].maps, "maps");
+ pr_debug("thread_masks[%d]: ", t);
+ mmap_cpu_mask__scnprintf(&rec->thread_masks[t].affinity, "affinity");
+ }
+ }
+
+ return 0;
+}
+
+static int record__init_thread_masks_spec(struct record *rec, struct perf_cpu_map *cpus,
+ const char **maps_spec, const char **affinity_spec,
+ u32 nr_spec)
+{
+ u32 s;
+ int ret = 0, t = 0;
+ struct mmap_cpu_mask cpus_mask;
+ struct thread_mask thread_mask, full_mask, *thread_masks;
+
+ ret = record__mmap_cpu_mask_alloc(&cpus_mask, cpu__max_cpu().cpu);
+ if (ret) {
+ pr_err("Failed to allocate CPUs mask\n");
+ return ret;
+ }
+
+ ret = record__mmap_cpu_mask_init(&cpus_mask, cpus);
+ if (ret) {
+ pr_err("Failed to init cpu mask\n");
+ goto out_free_cpu_mask;
+ }
+
+ ret = record__thread_mask_alloc(&full_mask, cpu__max_cpu().cpu);
+ if (ret) {
+ pr_err("Failed to allocate full mask\n");
+ goto out_free_cpu_mask;
+ }
+
+ ret = record__thread_mask_alloc(&thread_mask, cpu__max_cpu().cpu);
+ if (ret) {
+ pr_err("Failed to allocate thread mask\n");
+ goto out_free_full_and_cpu_masks;
+ }
+
+ for (s = 0; s < nr_spec; s++) {
+ ret = record__mmap_cpu_mask_init_spec(&thread_mask.maps, maps_spec[s]);
+ if (ret) {
+ pr_err("Failed to initialize maps thread mask\n");
+ goto out_free;
+ }
+ ret = record__mmap_cpu_mask_init_spec(&thread_mask.affinity, affinity_spec[s]);
+ if (ret) {
+ pr_err("Failed to initialize affinity thread mask\n");
+ goto out_free;
+ }
+
+ /* ignore invalid CPUs but do not allow empty masks */
+ if (!bitmap_and(thread_mask.maps.bits, thread_mask.maps.bits,
+ cpus_mask.bits, thread_mask.maps.nbits)) {
+ pr_err("Empty maps mask: %s\n", maps_spec[s]);
+ ret = -EINVAL;
+ goto out_free;
+ }
+ if (!bitmap_and(thread_mask.affinity.bits, thread_mask.affinity.bits,
+ cpus_mask.bits, thread_mask.affinity.nbits)) {
+ pr_err("Empty affinity mask: %s\n", affinity_spec[s]);
+ ret = -EINVAL;
+ goto out_free;
+ }
+
+ /* do not allow intersection with other masks (full_mask) */
+ if (bitmap_intersects(thread_mask.maps.bits, full_mask.maps.bits,
+ thread_mask.maps.nbits)) {
+ pr_err("Intersecting maps mask: %s\n", maps_spec[s]);
+ ret = -EINVAL;
+ goto out_free;
+ }
+ if (bitmap_intersects(thread_mask.affinity.bits, full_mask.affinity.bits,
+ thread_mask.affinity.nbits)) {
+ pr_err("Intersecting affinity mask: %s\n", affinity_spec[s]);
+ ret = -EINVAL;
+ goto out_free;
+ }
+
+ bitmap_or(full_mask.maps.bits, full_mask.maps.bits,
+ thread_mask.maps.bits, full_mask.maps.nbits);
+ bitmap_or(full_mask.affinity.bits, full_mask.affinity.bits,
+ thread_mask.affinity.bits, full_mask.maps.nbits);
+
+ thread_masks = realloc(rec->thread_masks, (t + 1) * sizeof(struct thread_mask));
+ if (!thread_masks) {
+ pr_err("Failed to reallocate thread masks\n");
+ ret = -ENOMEM;
+ goto out_free;
+ }
+ rec->thread_masks = thread_masks;
+ rec->thread_masks[t] = thread_mask;
+ if (verbose > 0) {
+ pr_debug("thread_masks[%d]: ", t);
+ mmap_cpu_mask__scnprintf(&rec->thread_masks[t].maps, "maps");
+ pr_debug("thread_masks[%d]: ", t);
+ mmap_cpu_mask__scnprintf(&rec->thread_masks[t].affinity, "affinity");
+ }
+ t++;
+ ret = record__thread_mask_alloc(&thread_mask, cpu__max_cpu().cpu);
+ if (ret) {
+ pr_err("Failed to allocate thread mask\n");
+ goto out_free_full_and_cpu_masks;
+ }
+ }
+ rec->nr_threads = t;
+ pr_debug("nr_threads: %d\n", rec->nr_threads);
+ if (!rec->nr_threads)
+ ret = -EINVAL;
+
+out_free:
+ record__thread_mask_free(&thread_mask);
+out_free_full_and_cpu_masks:
+ record__thread_mask_free(&full_mask);
+out_free_cpu_mask:
+ record__mmap_cpu_mask_free(&cpus_mask);
+
+ return ret;
+}
+
+static int record__init_thread_core_masks(struct record *rec, struct perf_cpu_map *cpus)
+{
+ int ret;
+ struct cpu_topology *topo;
+
+ topo = cpu_topology__new();
+ if (!topo) {
+ pr_err("Failed to allocate CPU topology\n");
+ return -ENOMEM;
+ }
+
+ ret = record__init_thread_masks_spec(rec, cpus, topo->core_cpus_list,
+ topo->core_cpus_list, topo->core_cpus_lists);
+ cpu_topology__delete(topo);
+
+ return ret;
+}
+
+static int record__init_thread_package_masks(struct record *rec, struct perf_cpu_map *cpus)
+{
+ int ret;
+ struct cpu_topology *topo;
+
+ topo = cpu_topology__new();
+ if (!topo) {
+ pr_err("Failed to allocate CPU topology\n");
+ return -ENOMEM;
+ }
+
+ ret = record__init_thread_masks_spec(rec, cpus, topo->package_cpus_list,
+ topo->package_cpus_list, topo->package_cpus_lists);
+ cpu_topology__delete(topo);
+
+ return ret;
+}
+
+static int record__init_thread_numa_masks(struct record *rec, struct perf_cpu_map *cpus)
+{
+ u32 s;
+ int ret;
+ const char **spec;
+ struct numa_topology *topo;
+
+ topo = numa_topology__new();
+ if (!topo) {
+ pr_err("Failed to allocate NUMA topology\n");
+ return -ENOMEM;
+ }
+
+ spec = zalloc(topo->nr * sizeof(char *));
+ if (!spec) {
+ pr_err("Failed to allocate NUMA spec\n");
+ ret = -ENOMEM;
+ goto out_delete_topo;
+ }
+ for (s = 0; s < topo->nr; s++)
+ spec[s] = topo->nodes[s].cpus;
+
+ ret = record__init_thread_masks_spec(rec, cpus, spec, spec, topo->nr);
+
+ zfree(&spec);
+
+out_delete_topo:
+ numa_topology__delete(topo);
+
+ return ret;
+}
+
+static int record__init_thread_user_masks(struct record *rec, struct perf_cpu_map *cpus)
+{
+ int t, ret;
+ u32 s, nr_spec = 0;
+ char **maps_spec = NULL, **affinity_spec = NULL, **tmp_spec;
+ char *user_spec, *spec, *spec_ptr, *mask, *mask_ptr, *dup_mask = NULL;
+
+ for (t = 0, user_spec = (char *)rec->opts.threads_user_spec; ; t++, user_spec = NULL) {
+ spec = strtok_r(user_spec, ":", &spec_ptr);
+ if (spec == NULL)
+ break;
+ pr_debug2("threads_spec[%d]: %s\n", t, spec);
+ mask = strtok_r(spec, "/", &mask_ptr);
+ if (mask == NULL)
+ break;
+ pr_debug2(" maps mask: %s\n", mask);
+ tmp_spec = realloc(maps_spec, (nr_spec + 1) * sizeof(char *));
+ if (!tmp_spec) {
+ pr_err("Failed to reallocate maps spec\n");
+ ret = -ENOMEM;
+ goto out_free;
+ }
+ maps_spec = tmp_spec;
+ maps_spec[nr_spec] = dup_mask = strdup(mask);
+ if (!maps_spec[nr_spec]) {
+ pr_err("Failed to allocate maps spec[%d]\n", nr_spec);
+ ret = -ENOMEM;
+ goto out_free;
+ }
+ mask = strtok_r(NULL, "/", &mask_ptr);
+ if (mask == NULL) {
+ pr_err("Invalid thread maps or affinity specs\n");
+ ret = -EINVAL;
+ goto out_free;
+ }
+ pr_debug2(" affinity mask: %s\n", mask);
+ tmp_spec = realloc(affinity_spec, (nr_spec + 1) * sizeof(char *));
+ if (!tmp_spec) {
+ pr_err("Failed to reallocate affinity spec\n");
+ ret = -ENOMEM;
+ goto out_free;
+ }
+ affinity_spec = tmp_spec;
+ affinity_spec[nr_spec] = strdup(mask);
+ if (!affinity_spec[nr_spec]) {
+ pr_err("Failed to allocate affinity spec[%d]\n", nr_spec);
+ ret = -ENOMEM;
+ goto out_free;
+ }
+ dup_mask = NULL;
+ nr_spec++;
+ }
+
+ ret = record__init_thread_masks_spec(rec, cpus, (const char **)maps_spec,
+ (const char **)affinity_spec, nr_spec);
+
+out_free:
+ free(dup_mask);
+ for (s = 0; s < nr_spec; s++) {
+ if (maps_spec)
+ free(maps_spec[s]);
+ if (affinity_spec)
+ free(affinity_spec[s]);
+ }
+ free(affinity_spec);
+ free(maps_spec);
+
+ return ret;
+}
+
+static int record__init_thread_default_masks(struct record *rec, struct perf_cpu_map *cpus)
+{
+ int ret;
+
+ ret = record__alloc_thread_masks(rec, 1, cpu__max_cpu().cpu);
+ if (ret)
+ return ret;
+
+ if (record__mmap_cpu_mask_init(&rec->thread_masks->maps, cpus))
+ return -ENODEV;
+
+ rec->nr_threads = 1;
+
+ return 0;
+}
+
+static int record__init_thread_masks(struct record *rec)
+{
+ int ret = 0;
+ struct perf_cpu_map *cpus = rec->evlist->core.all_cpus;
+
+ if (!record__threads_enabled(rec))
+ return record__init_thread_default_masks(rec, cpus);
+
+ if (evlist__per_thread(rec->evlist)) {
+ pr_err("--per-thread option is mutually exclusive to parallel streaming mode.\n");
+ return -EINVAL;
+ }
+
+ switch (rec->opts.threads_spec) {
+ case THREAD_SPEC__CPU:
+ ret = record__init_thread_cpu_masks(rec, cpus);
+ break;
+ case THREAD_SPEC__CORE:
+ ret = record__init_thread_core_masks(rec, cpus);
+ break;
+ case THREAD_SPEC__PACKAGE:
+ ret = record__init_thread_package_masks(rec, cpus);
+ break;
+ case THREAD_SPEC__NUMA:
+ ret = record__init_thread_numa_masks(rec, cpus);
+ break;
+ case THREAD_SPEC__USER:
+ ret = record__init_thread_user_masks(rec, cpus);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
int cmd_record(int argc, const char **argv)
{
int err;
struct record *rec = &record;
char errbuf[BUFSIZ];
-#ifndef HAVE_LIBBPF_SUPPORT
-# define set_nobuild(s, l, c) set_option_nobuild(record_options, s, l, "NO_LIBBPF=1", c)
- set_nobuild('\0', "clang-path", true);
- set_nobuild('\0', "clang-opt", true);
-# undef set_nobuild
-#endif
+ setlocale(LC_ALL, "");
-#ifndef HAVE_BPF_PROLOGUE
-# if !defined (HAVE_DWARF_SUPPORT)
-# define REASON "NO_DWARF=1"
-# elif !defined (HAVE_LIBBPF_SUPPORT)
-# define REASON "NO_LIBBPF=1"
-# else
-# define REASON "this architecture doesn't support BPF prologue"
-# endif
-# define set_nobuild(s, l, c) set_option_nobuild(record_options, s, l, REASON, c)
- set_nobuild('\0', "vmlinux", true);
+#ifndef HAVE_BPF_SKEL
+# define set_nobuild(s, l, m, c) set_option_nobuild(record_options, s, l, m, c)
+ set_nobuild('\0', "off-cpu", "no BUILD_BPF_SKEL=1", true);
# undef set_nobuild
-# undef REASON
#endif
- rec->evlist = perf_evlist__new();
+ /* Disable eager loading of kernel symbols that adds overhead to perf record. */
+ symbol_conf.lazy_load_kernel_maps = true;
+ rec->opts.affinity = PERF_AFFINITY_SYS;
+
+ rec->evlist = evlist__new();
if (rec->evlist == NULL)
return -ENOMEM;
@@ -1707,6 +4123,12 @@ int cmd_record(int argc, const char **argv)
if (quiet)
perf_quiet_option();
+ err = symbol__validate_sym_arguments();
+ if (err)
+ return err;
+
+ perf_debuginfod_setup(&record.debuginfod);
+
/* Make system wide (-a) the default target. */
if (!argc && target__none(&rec->opts.target))
rec->opts.target.system_wide = true;
@@ -1716,16 +4138,84 @@ int cmd_record(int argc, const char **argv)
"cgroup monitoring only available in system-wide mode");
}
+
+ if (record.latency) {
+ /*
+ * There is no fundamental reason why latency profiling
+ * can't work for system-wide mode, but exact semantics
+ * and details are to be defined.
+ * See the following thread for details:
+ * https://lore.kernel.org/all/Z4XDJyvjiie3howF@google.com/
+ */
+ if (record.opts.target.system_wide) {
+ pr_err("Failed: latency profiling is not supported with system-wide collection.\n");
+ err = -EINVAL;
+ goto out_opts;
+ }
+ record.opts.record_switch_events = true;
+ }
+
+ if (rec->buildid_mmap && !perf_can_record_build_id()) {
+ pr_warning("Missing support for build id in kernel mmap events.\n"