diff options
Diffstat (limited to 'tools/perf/tests/shell')
20 files changed, 1044 insertions, 48 deletions
diff --git a/tools/perf/tests/shell/buildid.sh b/tools/perf/tests/shell/buildid.sh index d2eb213da01d..102808cca9db 100755 --- a/tools/perf/tests/shell/buildid.sh +++ b/tools/perf/tests/shell/buildid.sh @@ -36,16 +36,69 @@ if [ ${run_pe} -eq 1 ]; then unset WAYLAND_DISPLAY fi -ex_md5=$(mktemp /tmp/perf.ex.MD5.XXX) -ex_sha1=$(mktemp /tmp/perf.ex.SHA1.XXX) +build_id_dir= +ex_source=$(mktemp /tmp/perf_buildid_test.ex.XXX.c) +ex_md5=$(mktemp /tmp/perf_buildid_test.ex.MD5.XXX) +ex_sha1=$(mktemp /tmp/perf_buildid_test.ex.SHA1.XXX) ex_pe=$(dirname $0)/../pe-file.exe +data=$(mktemp /tmp/perf_buildid_test.data.XXX) +log_out=$(mktemp /tmp/perf_buildid_test.log.out.XXX) +log_err=$(mktemp /tmp/perf_buildid_test.log.err.XXX) -echo 'int main(void) { return 0; }' | cc -Wl,--build-id=sha1 -o ${ex_sha1} -x c - -echo 'int main(void) { return 0; }' | cc -Wl,--build-id=md5 -o ${ex_md5} -x c - +cleanup() { + rm -f ${ex_source} ${ex_md5} ${ex_sha1} ${data} ${log_out} ${log_err} + if [ ${run_pe} -eq 1 ]; then + rm -r ${wineprefix} + fi + if [ -d ${build_id_dir} ]; then + rm -rf ${build_id_dir} + fi + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +# Test program based on the noploop workload. +cat <<EOF > ${ex_source} +#include <stdlib.h> +#include <signal.h> +#include <unistd.h> +static volatile sig_atomic_t done; + +static void sighandler(int sig) +{ + (void)sig; + done = 1; +} + +int main(int argc, const char **argv) +{ + int sec = 1; + + if (argc > 1) + sec = atoi(argv[1]); + + signal(SIGINT, sighandler); + signal(SIGALRM, sighandler); + alarm(sec); + + while (!done) + continue; + + return 0; +} +EOF +cc -Wl,--build-id=sha1 ${ex_source} -o ${ex_sha1} -x c - +cc -Wl,--build-id=md5 ${ex_source} -o ${ex_md5} -x c - echo "test binaries: ${ex_sha1} ${ex_md5} ${ex_pe}" -check() +get_build_id() { case $1 in *.exe) @@ -64,6 +117,15 @@ check() id=`readelf -n ${1} 2>/dev/null | grep 'Build ID' | awk '{print $3}'` ;; esac + echo ${id} +} + +check() +{ + file=$1 + perf_data=$2 + + id=$(get_build_id $file) echo "build id: ${id}" id_file=${id#??} @@ -76,45 +138,53 @@ check() exit 1 fi - file=${build_id_dir}/.build-id/$id_dir/`readlink ${link}`/elf - echo "file: ${file}" + cached_file=${build_id_dir}/.build-id/$id_dir/`readlink ${link}`/elf + echo "file: ${cached_file}" # Check for file permission of original file # in case of pe-file.exe file echo $1 | grep ".exe" if [ $? -eq 0 ]; then - if [ -x $1 ] && [ ! -x $file ]; then - echo "failed: file ${file} executable does not exist" + if [ -x $1 ] && [ ! -x $cached_file ]; then + echo "failed: file ${cached_file} executable does not exist" exit 1 fi - if [ ! -x $file ] && [ ! -e $file ]; then - echo "failed: file ${file} does not exist" + if [ ! -x $cached_file ] && [ ! -e $cached_file ]; then + echo "failed: file ${cached_file} does not exist" exit 1 fi - elif [ ! -x $file ]; then - echo "failed: file ${file} does not exist" + elif [ ! -x $cached_file ]; then + echo "failed: file ${cached_file} does not exist" exit 1 fi - diff ${file} ${1} + diff ${cached_file} ${1} if [ $? -ne 0 ]; then - echo "failed: ${file} do not match" + echo "failed: ${cached_file} do not match" exit 1 fi - ${perf} buildid-cache -l | grep ${id} + ${perf} buildid-cache -l | grep -q ${id} if [ $? -ne 0 ]; then echo "failed: ${id} is not reported by \"perf buildid-cache -l\"" exit 1 fi + if [ -n "${perf_data}" ]; then + ${perf} buildid-list -i ${perf_data} | grep -q ${id} + if [ $? -ne 0 ]; then + echo "failed: ${id} is not reported by \"perf buildid-list -i ${perf_data}\"" + exit 1 + fi + fi + echo "OK for ${1}" } test_add() { - build_id_dir=$(mktemp -d /tmp/perf.debug.XXX) + build_id_dir=$(mktemp -d /tmp/perf_buildid_test.debug.XXX) perf="perf --buildid-dir ${build_id_dir}" ${perf} buildid-cache -v -a ${1} @@ -128,12 +198,88 @@ test_add() rm -rf ${build_id_dir} } +test_remove() +{ + build_id_dir=$(mktemp -d /tmp/perf_buildid_test.debug.XXX) + perf="perf --buildid-dir ${build_id_dir}" + + ${perf} buildid-cache -v -a ${1} + if [ $? -ne 0 ]; then + echo "failed: add ${1} to build id cache" + exit 1 + fi + + id=$(get_build_id ${1}) + if ! ${perf} buildid-cache -l | grep -q ${id}; then + echo "failed: ${id} not in cache" + exit 1 + fi + + ${perf} buildid-cache -v -r ${1} + if [ $? -ne 0 ]; then + echo "failed: remove ${id} from build id cache" + exit 1 + fi + + if ${perf} buildid-cache -l | grep -q ${id}; then + echo "failed: ${id} still in cache after remove" + exit 1 + fi + + echo "remove: OK" + rm -rf ${build_id_dir} +} + +test_purge() +{ + build_id_dir=$(mktemp -d /tmp/perf_buildid_test.debug.XXX) + perf="perf --buildid-dir ${build_id_dir}" + + id1=$(get_build_id ${ex_sha1}) + ${perf} buildid-cache -v -a ${ex_sha1} + if ! ${perf} buildid-cache -l | grep -q ${id1}; then + echo "failed: ${id1} not in cache" + exit 1 + fi + + id2=$(get_build_id ${ex_md5}) + ${perf} buildid-cache -v -a ${ex_md5} + if ! ${perf} buildid-cache -l | grep -q ${id2}; then + echo "failed: ${id2} not in cache" + exit 1 + fi + + # Purge by path + ${perf} buildid-cache -v -p ${ex_sha1} + if [ $? -ne 0 ]; then + echo "failed: purge build id cache of ${ex_sha1}" + exit 1 + fi + + ${perf} buildid-cache -v -p ${ex_md5} + if [ $? -ne 0 ]; then + echo "failed: purge build id cache of ${ex_md5}" + exit 1 + fi + + # Verify both are gone + if ${perf} buildid-cache -l | grep -q ${id1}; then + echo "failed: ${id1} still in cache after purge" + exit 1 + fi + + if ${perf} buildid-cache -l | grep -q ${id2}; then + echo "failed: ${id2} still in cache after purge" + exit 1 + fi + + echo "purge: OK" + rm -rf ${build_id_dir} +} + test_record() { - data=$(mktemp /tmp/perf.data.XXX) - build_id_dir=$(mktemp -d /tmp/perf.debug.XXX) - log_out=$(mktemp /tmp/perf.log.out.XXX) - log_err=$(mktemp /tmp/perf.log.err.XXX) + build_id_dir=$(mktemp -d /tmp/perf_buildid_test.debug.XXX) perf="perf --buildid-dir ${build_id_dir}" echo "running: perf record $*" @@ -145,7 +291,7 @@ test_record() fi args="$*" - check ${args##* } + check ${args##* } ${data} rm -f ${log_out} ${log_err} rm -rf ${build_id_dir} @@ -166,10 +312,15 @@ if [ ${run_pe} -eq 1 ]; then test_record wine ${ex_pe} fi -# cleanup -rm ${ex_sha1} ${ex_md5} -if [ ${run_pe} -eq 1 ]; then - rm -r ${wineprefix} +# remove binaries manually via perf buildid-cache -r +test_remove ${ex_sha1} +test_remove ${ex_md5} +if [ ${add_pe} -eq 1 ]; then + test_remove ${ex_pe} fi +# purge binaries manually via perf buildid-cache -p +test_purge + +cleanup exit 0 diff --git a/tools/perf/tests/shell/c2c.sh b/tools/perf/tests/shell/c2c.sh new file mode 100755 index 000000000000..2471d44595c3 --- /dev/null +++ b/tools/perf/tests/shell/c2c.sh @@ -0,0 +1,62 @@ +#!/bin/bash +# perf c2c tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_c2c_test.perf.data.XXXXX) + +cleanup() { + rm -f "${perfdata}" + rm -f "${perfdata}".old + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +check_c2c_support() { + # Check if perf c2c record works. + if ! perf c2c record -o "${perfdata}" -- true > /dev/null 2>&1 ; then + return 1 + fi + return 0 +} + +test_c2c_record_report() { + echo "c2c record and report test" + if ! check_c2c_support ; then + echo "c2c record and report test [Skipped: perf c2c record failed (possibly missing hardware support)]" + err=2 + return + fi + + # Run a workload that does some memory operations. + if ! perf c2c record -o "${perfdata}" -- perf test -w datasym 1 > /dev/null 2>&1 ; then + echo "c2c record and report test [Skipped: perf c2c record failed during workload]" + return + fi + + if ! perf c2c report -i "${perfdata}" --stdio > /dev/null 2>&1 ; then + echo "c2c record and report test [Failed: report failed]" + err=1 + return + fi + + if ! perf c2c report -i "${perfdata}" -N > /dev/null 2>&1 ; then + echo "c2c record and report test [Failed: report -N failed]" + err=1 + return + fi + + echo "c2c record and report test [Success]" +} + +test_c2c_record_report +cleanup +exit $err diff --git a/tools/perf/tests/shell/evlist.sh b/tools/perf/tests/shell/evlist.sh new file mode 100755 index 000000000000..140f099e75c1 --- /dev/null +++ b/tools/perf/tests/shell/evlist.sh @@ -0,0 +1,79 @@ +#!/bin/bash +# perf evlist tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) + +cleanup() { + rm -f "${perfdata}" + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_evlist_simple() { + echo "Simple evlist test" + if ! perf record -e cycles -o "${perfdata}" true 2> /dev/null + then + echo "Simple evlist [Failed record]" + err=1 + return + fi + if ! perf evlist -i "${perfdata}" | grep -q "cycles" + then + echo "Simple evlist [Failed to list event]" + err=1 + return + fi + echo "Simple evlist test [Success]" +} + +test_evlist_group() { + echo "Group evlist test" + if ! perf record -e "{cycles,instructions}" -o "${perfdata}" true 2> /dev/null + then + echo "Group evlist [Skipped event group recording failed]" + return + fi + + if ! perf evlist -i "${perfdata}" -g | grep -q "{.*cycles.*,.*instructions.*}" + then + echo "Group evlist [Failed to list event group]" + err=1 + return + fi + echo "Group evlist test [Success]" +} + +test_evlist_verbose() { + echo "Event configuration evlist test" + if ! perf record -e cycles -o "${perfdata}" true 2> /dev/null + then + echo "Event configuration evlist [Failed record]" + err=1 + return + fi + + if ! perf evlist -i "${perfdata}" -v | grep -q "config:" + then + echo "Event configuration evlist [Failed to list verbose info]" + err=1 + return + fi + echo "Event configuration evlist test [Success]" +} + +test_evlist_simple +test_evlist_group +test_evlist_verbose + +cleanup +exit $err diff --git a/tools/perf/tests/shell/jitdump-python.sh b/tools/perf/tests/shell/jitdump-python.sh new file mode 100755 index 000000000000..ae86203b14a2 --- /dev/null +++ b/tools/perf/tests/shell/jitdump-python.sh @@ -0,0 +1,81 @@ +#!/bin/bash +# python profiling with jitdump +# SPDX-License-Identifier: GPL-2.0 + +SHELLDIR=$(dirname $0) +# shellcheck source=lib/setup_python.sh +. "${SHELLDIR}"/lib/setup_python.sh + +OUTPUT=$(${PYTHON} -Xperf_jit -c 'import os, sys; print(os.getpid(), sys.is_stack_trampoline_active())' 2> /dev/null) +PID=${OUTPUT% *} +HAS_PERF_JIT=${OUTPUT#* } + +rm -f /tmp/jit-${PID}.dump 2> /dev/null +if [ "${HAS_PERF_JIT}" != "True" ]; then + echo "SKIP: python JIT dump is not available" + exit 2 +fi + +PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXXX) + +cleanup() { + echo "Cleaning up files..." + rm -f ${PERF_DATA} ${PERF_DATA}.jit /tmp/jit-${PID}.dump /tmp/jitted-${PID}-*.so 2> /dev/null + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected termination" + cleanup + exit 1 +} + +trap trap_cleanup EXIT TERM INT + +echo "Run python with -Xperf_jit" +cat <<EOF | perf record -k 1 -g --call-graph dwarf -o "${PERF_DATA}" \ + -- ${PYTHON} -Xperf_jit +def foo(n): + result = 0 + for _ in range(n): + result += 1 + return result + +def bar(n): + foo(n) + +def baz(n): + bar(n) + +if __name__ == "__main__": + baz(1000000) +EOF + +# extract PID of the target process from the data +_PID=$(perf report -i "${PERF_DATA}" -F pid -q -g none | cut -d: -f1 -s) +PID=$(echo -n $_PID) # remove newlines + +echo "Generate JIT-ed DSOs using perf inject" +DEBUGINFOD_URLS='' perf inject -i "${PERF_DATA}" -j -o "${PERF_DATA}.jit" + +echo "Add JIT-ed DSOs to the build-ID cache" +for F in /tmp/jitted-${PID}-*.so; do + perf buildid-cache -a "${F}" +done + +echo "Check the symbol containing the function/module name" +NUM=$(perf report -i "${PERF_DATA}.jit" -s sym | grep -cE 'py::(foo|bar|baz):<stdin>') + +echo "Found ${NUM} matching lines" + +echo "Remove JIT-ed DSOs from the build-ID cache" +for F in /tmp/jitted-${PID}-*.so; do + perf buildid-cache -r "${F}" +done + +cleanup + +if [ "${NUM}" -eq 0 ]; then + exit 1 +fi diff --git a/tools/perf/tests/shell/kallsyms.sh b/tools/perf/tests/shell/kallsyms.sh new file mode 100755 index 000000000000..d0eb99753f47 --- /dev/null +++ b/tools/perf/tests/shell/kallsyms.sh @@ -0,0 +1,56 @@ +#!/bin/bash +# perf kallsyms tests +# SPDX-License-Identifier: GPL-2.0 + +err=0 + +test_kallsyms() { + echo "Basic perf kallsyms test" + + # Check if /proc/kallsyms is readable + if [ ! -r /proc/kallsyms ]; then + echo "Basic perf kallsyms test [Skipped: /proc/kallsyms not readable]" + err=2 + return + fi + + # Use a symbol that is definitely a function and present in all kernels, e.g. schedule + symbol="schedule" + + # Run perf kallsyms + # It prints "address symbol_name" + output=$(perf kallsyms $symbol 2>&1) + ret=$? + + if [ $ret -ne 0 ] || [ -z "$output" ]; then + # If empty or failed, it might be due to permissions (kptr_restrict) + # Check if we can grep the symbol from /proc/kallsyms directly + if grep -q "$symbol" /proc/kallsyms 2>/dev/null; then + # If it's in /proc/kallsyms but perf kallsyms returned empty/error, + # it likely means perf couldn't parse it or access it correctly (e.g. kptr_restrict=2). + echo "Basic perf kallsyms test [Skipped: $symbol found in /proc/kallsyms but perf kallsyms failed (output: '$output')]" + err=2 + return + else + echo "Basic perf kallsyms test [Skipped: $symbol not found in /proc/kallsyms]" + err=2 + return + fi + fi + + if echo "$output" | grep -q "not found"; then + echo "Basic perf kallsyms test [Failed: output '$output' does not contain $symbol]" + err=1 + return + fi + + if perf kallsyms ErlingHaaland | grep -vq "not found"; then + echo "Basic perf kallsyms test [Failed: ErlingHaaland found in the output]" + err=1 + return + fi + echo "Basic perf kallsyms test [Success]" +} + +test_kallsyms +exit $err diff --git a/tools/perf/tests/shell/kvm.sh b/tools/perf/tests/shell/kvm.sh new file mode 100755 index 000000000000..2fafde1a29cc --- /dev/null +++ b/tools/perf/tests/shell/kvm.sh @@ -0,0 +1,154 @@ +#!/bin/bash +# perf kvm tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_kvm_test.perf.data.XXXXX) +qemu_pid_file=$(mktemp /tmp/__perf_kvm_test.qemu.pid.XXXXX) + +cleanup() { + rm -f "${perfdata}" + if [ -f "${qemu_pid_file}" ]; then + if [ -s "${qemu_pid_file}" ]; then + qemu_pid=$(cat "${qemu_pid_file}") + if [ -n "${qemu_pid}" ]; then + kill "${qemu_pid}" 2>/dev/null || true + fi + fi + rm -f "${qemu_pid_file}" + fi + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +skip() { + echo "Skip: $1" + cleanup + exit 2 +} + +test_kvm_stat() { + echo "Testing perf kvm stat" + + echo "Recording kvm events for pid ${qemu_pid}..." + if ! perf kvm stat record -p "${qemu_pid}" -o "${perfdata}" sleep 1; then + echo "Failed to record kvm events" + err=1 + return + fi + + echo "Reporting kvm events..." + if ! perf kvm -i "${perfdata}" stat report 2>&1 | grep -q "VM-EXIT"; then + echo "Failed to find VM-EXIT in report" + perf kvm -i "${perfdata}" stat report 2>&1 + err=1 + return + fi + + echo "perf kvm stat test [Success]" +} + +test_kvm_record_report() { + echo "Testing perf kvm record/report" + + echo "Recording kvm profile for pid ${qemu_pid}..." + # Use --host to avoid needing guest symbols/mounts for this simple test + # We just want to verify the command runs and produces data + # We run in background and kill it because 'perf kvm record' appends options + # after the command, which breaks 'sleep' (e.g. it gets '-e cycles'). + perf kvm --host record -p "${qemu_pid}" -o "${perfdata}" & + rec_pid=$! + sleep 1 + kill -INT "${rec_pid}" + wait "${rec_pid}" || true + + echo "Reporting kvm profile..." + # Check for some standard output from report + if ! perf kvm -i "${perfdata}" report --stdio 2>&1 | grep -q "Event count"; then + echo "Failed to report kvm profile" + perf kvm -i "${perfdata}" report --stdio 2>&1 + err=1 + return + fi + + echo "perf kvm record/report test [Success]" +} + +test_kvm_buildid_list() { + echo "Testing perf kvm buildid-list" + + # We reuse the perf.data from the previous record test + if ! perf kvm --host -i "${perfdata}" buildid-list 2>&1 | grep -q "."; then + echo "Failed to list buildids" + perf kvm --host -i "${perfdata}" buildid-list 2>&1 + err=1 + return + fi + + echo "perf kvm buildid-list test [Success]" +} + +setup_qemu() { + # Find qemu + if [ "$(uname -m)" = "x86_64" ]; then + qemu="qemu-system-x86_64" + elif [ "$(uname -m)" = "aarch64" ]; then + qemu="qemu-system-aarch64" + elif [ "$(uname -m)" = "s390x" ]; then + qemu="qemu-system-s390x" + elif [ "$(uname -m)" = "ppc64le" ]; then + qemu="qemu-system-ppc64" + else + qemu="qemu-system-$(uname -m)" + fi + + if ! which -s "$qemu"; then + skip "$qemu not found" + fi + + if [ ! -r /dev/kvm ] || [ ! -w /dev/kvm ]; then + skip "/dev/kvm not accessible" + fi + + if ! perf kvm stat record -a sleep 0.01 >/dev/null 2>&1; then + skip "No permission to record kvm events" + fi + + echo "Starting $qemu..." + # Start qemu in background, detached, with pidfile + # We use -display none -daemonize and a monitor to keep it alive/controllable if needed + # We don't need a real kernel, just KVM active. + if ! $qemu -enable-kvm -display none -daemonize -pidfile "${qemu_pid_file}" -monitor none; then + echo "Failed to start qemu" + err=1 + return + fi + + # Wait a bit for qemu to start + sleep 1 + qemu_pid=$(cat "${qemu_pid_file}") + + if ! kill -0 "${qemu_pid}" 2>/dev/null; then + echo "Qemu process failed to stay alive" + err=1 + return + fi +} + +setup_qemu +if [ $err -eq 0 ]; then + test_kvm_stat + test_kvm_record_report + test_kvm_buildid_list +fi + +cleanup +exit $err diff --git a/tools/perf/tests/shell/lib/perf_json_output_lint.py b/tools/perf/tests/shell/lib/perf_json_output_lint.py index c6750ef06c0f..dafbde56cc76 100644 --- a/tools/perf/tests/shell/lib/perf_json_output_lint.py +++ b/tools/perf/tests/shell/lib/perf_json_output_lint.py @@ -43,6 +43,9 @@ def isint(num): def is_counter_value(num): return isfloat(num) or num == '<not counted>' or num == '<not supported>' +def is_metric_value(num): + return isfloat(num) or num == 'none' + def check_json_output(expected_items): checks = { 'counters': lambda x: isfloat(x), @@ -57,7 +60,7 @@ def check_json_output(expected_items): 'event-runtime': lambda x: isfloat(x), 'interval': lambda x: isfloat(x), 'metric-unit': lambda x: True, - 'metric-value': lambda x: isfloat(x), + 'metric-value': lambda x: is_metric_value(x), 'metric-threshold': lambda x: x in ['unknown', 'good', 'less good', 'nearly bad', 'bad'], 'metricgroup': lambda x: True, 'node': lambda x: True, @@ -65,8 +68,6 @@ def check_json_output(expected_items): 'socket': lambda x: True, 'thread': lambda x: True, 'unit': lambda x: True, - 'insn per cycle': lambda x: isfloat(x), - 'GHz': lambda x: True, # FIXME: it seems unintended for --metric-only } input = '[\n' + ','.join(Lines) + '\n]' for item in json.loads(input): @@ -88,6 +89,8 @@ def check_json_output(expected_items): f' in \'{item}\'') for key, value in item.items(): if key not in checks: + if args.metric_only: + continue raise RuntimeError(f'Unexpected key: key={key} value={value}') if not checks[key](value): raise RuntimeError(f'Check failed for: key={key} value={value}') diff --git a/tools/perf/tests/shell/lib/stat_output.sh b/tools/perf/tests/shell/lib/stat_output.sh index c2ec7881ec1d..3c36e80fe422 100644 --- a/tools/perf/tests/shell/lib/stat_output.sh +++ b/tools/perf/tests/shell/lib/stat_output.sh @@ -156,7 +156,7 @@ check_metric_only() echo "[Skip] CPU-measurement counter facility not installed" return fi - perf stat --metric-only $2 -e instructions,cycles true + perf stat --metric-only $2 -M page_faults_per_second true commachecker --metric-only echo "[Success]" } diff --git a/tools/perf/tests/shell/record_weak_term.sh b/tools/perf/tests/shell/record_weak_term.sh new file mode 100755 index 000000000000..811b00ffb47a --- /dev/null +++ b/tools/perf/tests/shell/record_weak_term.sh @@ -0,0 +1,37 @@ +#!/bin/bash +# record weak terms +# SPDX-License-Identifier: GPL-2.0 +# Test that command line options override weak terms from sysfs or inbuilt json. +set -e + +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh + +# Find the first event with a specified period, such as +# "cpu_core/event=0x24,period=200003,umask=0xff/" +event=$(perf list --json | $PYTHON -c ' +import json, sys +for e in json.load(sys.stdin): + if "EventName" not in e or "/modifier" in e["EventName"]: + continue + if "Encoding" in e and "period=" in e["Encoding"]: + print(e["EventName"]) + break +') +if [[ "$event" = "" ]] +then + echo "Skip: No sysfs/json events with inbuilt period." + exit 2 +fi + +echo "Testing that for $event the period is overridden with 1000" +perf list --detail "$event" +if ! perf record -c 1000 -vv -e "$event" -o /dev/null true 2>&1 | \ + grep -q -F '{ sample_period, sample_freq } 1000' +then + echo "Fail: Unexpected verbose output and sample period" + exit 1 +fi +echo "Success" +exit 0 diff --git a/tools/perf/tests/shell/script_dlfilter.sh b/tools/perf/tests/shell/script_dlfilter.sh new file mode 100755 index 000000000000..45c97d4a7d5f --- /dev/null +++ b/tools/perf/tests/shell/script_dlfilter.sh @@ -0,0 +1,107 @@ +#!/bin/bash +# perf script --dlfilter tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh + +# skip if there's no compiler +if ! [ -x "$(command -v cc)" ]; then + echo "failed: no compiler, install gcc" + exit 2 +fi + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +dlfilter_c=$(mktemp /tmp/__perf_test.dlfilter.test.c.XXXXX) +dlfilter_so=$(mktemp /tmp/__perf_test.dlfilter.so.XXXXX) + +cleanup() { + rm -f "${perfdata}" + rm -f "${dlfilter_c}" + rm -f "${dlfilter_so}" + rm -f "${dlfilter_so}.o" + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +cat <<EOF > "${dlfilter_c}" +#include <perf/perf_dlfilter.h> +#include <string.h> +#include <stdio.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; + + if (!sample->ip) + return 0; + + al = perf_dlfilter_fns.resolve_ip(ctx); + if (!al || !al->sym || strcmp(al->sym, "test_loop")) + return 1; + + return 0; +} +EOF + +test_dlfilter() { + echo "Basic --dlfilter test" + # Generate perf.data file + if ! perf record -o "${perfdata}" perf test -w thloop 1 2> /dev/null + then + echo "Basic --dlfilter test [Failed record]" + err=1 + return + fi + + # Build the dlfilter + if ! cc -c -I tools/perf/include -fpic -x c "${dlfilter_c}" -o "${dlfilter_so}.o" + then + echo "Basic --dlfilter test [Failed to build dlfilter object]" + err=1 + return + fi + + if ! cc -shared -o "${dlfilter_so}" "${dlfilter_so}.o" + then + echo "Basic --dlfilter test [Failed to link dlfilter shared object]" + err=1 + return + fi + + # Check that the output contains "test_loop" and nothing else + if ! perf script -i "${perfdata}" --dlfilter "${dlfilter_so}" | grep -q "test_loop" + then + echo "Basic --dlfilter test [Failed missing output]" + err=1 + return + fi + + # The filter should filter out everything except test_loop, so ensure no other symbols are present + # This is a simple check; we could be more rigorous + if perf script -i "${perfdata}" --dlfilter "${dlfilter_so}" | grep -v "test_loop" | grep -q "perf" + then + echo "Basic --dlfilter test [Failed filtering]" + err=1 + return + fi + + echo "Basic --dlfilter test [Success]" +} + +test_dlfilter +cleanup +exit $err diff --git a/tools/perf/tests/shell/stat+csv_output.sh b/tools/perf/tests/shell/stat+csv_output.sh index 7a6f6e177402..cd6fff597091 100755 --- a/tools/perf/tests/shell/stat+csv_output.sh +++ b/tools/perf/tests/shell/stat+csv_output.sh @@ -44,7 +44,7 @@ function commachecker() ;; "--per-die") exp=8 ;; "--per-cluster") exp=8 ;; "--per-cache") exp=8 - ;; "--metric-only") exp=2 + ;; "--metric-only") exp=1 esac while read line diff --git a/tools/perf/tests/shell/stat+json_output.sh b/tools/perf/tests/shell/stat+json_output.sh index 98fb65274ac4..85d1ad7186c6 100755 --- a/tools/perf/tests/shell/stat+json_output.sh +++ b/tools/perf/tests/shell/stat+json_output.sh @@ -181,7 +181,7 @@ check_metric_only() echo "[Skip] CPU-measurement counter facility not installed" return fi - perf stat -j --metric-only -e instructions,cycles -o "${stat_output}" true + perf stat -j --metric-only -M page_faults_per_second -o "${stat_output}" true $PYTHON $pythonchecker --metric-only --file "${stat_output}" echo "[Success]" } diff --git a/tools/perf/tests/shell/stat+shadow_stat.sh b/tools/perf/tests/shell/stat+shadow_stat.sh index 8824f445d343..cabbbf17c662 100755 --- a/tools/perf/tests/shell/stat+shadow_stat.sh +++ b/tools/perf/tests/shell/stat+shadow_stat.sh @@ -14,7 +14,7 @@ perf stat -a -e cycles sleep 1 2>&1 | grep -e cpu_core && exit 2 test_global_aggr() { - perf stat -a --no-big-num -e cycles,instructions sleep 1 2>&1 | \ + perf stat -a --no-big-num -M insn_per_cycle sleep 1 2>&1 | \ grep -e cycles -e instructions | \ while read num evt _ ipc rest do @@ -53,7 +53,7 @@ test_global_aggr() test_no_aggr() { - perf stat -a -A --no-big-num -e cycles,instructions sleep 1 2>&1 | \ + perf stat -a -A --no-big-num -M insn_per_cycle sleep 1 2>&1 | \ grep ^CPU | \ while read cpu num evt _ ipc rest do diff --git a/tools/perf/tests/shell/stat+std_output.sh b/tools/perf/tests/shell/stat+std_output.sh index ec41f24299d9..9c4b92ecf448 100755 --- a/tools/perf/tests/shell/stat+std_output.sh +++ b/tools/perf/tests/shell/stat+std_output.sh @@ -12,8 +12,8 @@ set -e stat_output=$(mktemp /tmp/__perf_test.stat_output.std.XXXXX) event_name=(cpu-clock task-clock context-switches cpu-migrations page-faults stalled-cycles-frontend stalled-cycles-backend cycles instructions branches branch-misses) -event_metric=("CPUs utilized" "CPUs utilized" "/sec" "/sec" "/sec" "frontend cycles idle" "backend cycles idle" "GHz" "insn per cycle" "/sec" "of all branches") -skip_metric=("stalled cycles per insn" "tma_" "retiring" "frontend_bound" "bad_speculation" "backend_bound" "TopdownL1" "percent of slots") +event_metric=("CPUs_utilized" "CPUs_utilized" "cs/sec" "migrations/sec" "faults/sec" "frontend_cycles_idle" "backend_cycles_idle" "GHz" "insn_per_cycle" "/sec" "branch_miss_rate") +skip_metric=("tma_" "TopdownL1") cleanup() { rm -f "${stat_output}" diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh index 8a100a7f2dc1..0b2f0f88ca16 100755 --- a/tools/perf/tests/shell/stat.sh +++ b/tools/perf/tests/shell/stat.sh @@ -16,9 +16,46 @@ test_default_stat() { echo "Basic stat command test [Success]" } +test_null_stat() { + echo "Null stat command test" + if ! perf stat --null true 2>&1 | grep -E -q "Performance counter stats for 'true':" + then + echo "Null stat command test [Failed]" + err=1 + return + fi + echo "Null stat command test [Success]" +} + +find_offline_cpu() { + for i in $(seq 1 4096) + do + if [[ ! -f /sys/devices/system/cpu/cpu$i/online || \ + $(cat /sys/devices/system/cpu/cpu$i/online) == "0" ]] + then + echo $i + return + fi + done + echo "Failed to find offline CPU" + exit 1 +} + +test_offline_cpu_stat() { + cpu=$(find_offline_cpu) + echo "Offline CPU stat command test (cpu $cpu)" + if ! perf stat "-C$cpu" -e cycles true 2>&1 | grep -E -q "No supported events found." + then + echo "Offline CPU stat command test [Failed]" + err=1 + return + fi + echo "Offline CPU stat command test [Success]" +} + test_stat_record_report() { echo "stat record and report test" - if ! perf stat record -o - true | perf stat report -i - 2>&1 | \ + if ! perf stat record -e task-clock -o - true | perf stat report -i - 2>&1 | \ grep -E -q "Performance counter stats for 'pipe':" then echo "stat record and report test [Failed]" @@ -30,7 +67,7 @@ test_stat_record_report() { test_stat_record_script() { echo "stat record and script test" - if ! perf stat record -o - true | perf script -i - 2>&1 | \ + if ! perf stat record -e task-clock -o - true | perf script -i - 2>&1 | \ grep -E -q "CPU[[:space:]]+THREAD[[:space:]]+VAL[[:space:]]+ENA[[:space:]]+RUN[[:space:]]+TIME[[:space:]]+EVENT" then echo "stat record and script test [Failed]" @@ -196,7 +233,7 @@ test_hybrid() { fi # Run default Perf stat - cycles_events=$(perf stat -- true 2>&1 | grep -E "/cycles/[uH]*| cycles[:uH]* " -c) + cycles_events=$(perf stat -a -- sleep 0.1 2>&1 | grep -E "/cpu-cycles/[uH]*| cpu-cycles[:uH]* " -c) # The expectation is that default output will have a cycles events on each # hybrid PMU. In situations with no cycles PMU events, like virtualized, this @@ -212,6 +249,8 @@ test_hybrid() { } test_default_stat +test_null_stat +test_offline_cpu_stat test_stat_record_report test_stat_record_script test_stat_repeat_weak_groups diff --git a/tools/perf/tests/shell/stat_all_metricgroups.sh b/tools/perf/tests/shell/stat_all_metricgroups.sh index c6d61a4ac3e7..1400880ec01f 100755 --- a/tools/perf/tests/shell/stat_all_metricgroups.sh +++ b/tools/perf/tests/shell/stat_all_metricgroups.sh @@ -37,6 +37,9 @@ do then err=2 # Skip fi + elif [[ "$m" == @(Default2|Default3|Default4) ]] + then + echo "Ignoring failures in $m that may contain unsupported legacy events" else echo "Metric group $m failed" echo $result diff --git a/tools/perf/tests/shell/stat_all_metrics.sh b/tools/perf/tests/shell/stat_all_metrics.sh index 6fa585a1e34c..3dabb39c7cc8 100755 --- a/tools/perf/tests/shell/stat_all_metrics.sh +++ b/tools/perf/tests/shell/stat_all_metrics.sh @@ -25,16 +25,22 @@ for m in $(perf list --raw-dump metrics); do # No error result and metric shown. continue fi - if [[ "$result" =~ "Cannot resolve IDs for" ]] + if [[ "$result" =~ "Cannot resolve IDs for" || "$result" =~ "No supported events found" ]] then - echo "Metric contains missing events" + if [[ $(perf list --raw-dump $m) == "Default"* ]] + then + echo "[Ignored $m] failed but as a Default metric this can be expected" + echo $result + continue + fi + echo "[Failed $m] Metric contains missing events" echo $result err=1 # Fail continue elif [[ "$result" =~ \ "Access to performance monitoring and observability operations is limited" ]] then - echo "Permission failure" + echo "[Skipped $m] Permission failure" echo $result if [[ $err -eq 0 ]] then @@ -43,7 +49,7 @@ for m in $(perf list --raw-dump metrics); do continue elif [[ "$result" =~ "in per-thread mode, enable system wide" ]] then - echo "Permissions - need system wide mode" + echo "[Skipped $m] Permissions - need system wide mode" echo $result if [[ $err -eq 0 ]] then @@ -52,7 +58,13 @@ for m in $(perf list --raw-dump metrics); do continue elif [[ "$result" =~ "<not supported>" ]] then - echo "Not supported events" + if [[ $(perf list --raw-dump $m) == "Default"* ]] + then + echo "[Ignored $m] failed but as a Default metric this can be expected" + echo $result + continue + fi + echo "[Skipped $m] Not supported events" echo $result if [[ $err -eq 0 ]] then @@ -61,7 +73,7 @@ for m in $(perf list --raw-dump metrics); do continue elif [[ "$result" =~ "<not counted>" ]] then - echo "Not counted events" + echo "[Skipped $m] Not counted events" echo $result if [[ $err -eq 0 ]] then @@ -70,7 +82,7 @@ for m in $(perf list --raw-dump metrics); do continue elif [[ "$result" =~ "FP_ARITH" || "$result" =~ "AMX" ]] then - echo "FP issues" + echo "[Skipped $m] FP issues" echo $result if [[ $err -eq 0 ]] then @@ -79,7 +91,7 @@ for m in $(perf list --raw-dump metrics); do continue elif [[ "$result" =~ "PMM" ]] then - echo "Optane memory issues" + echo "[Skipped $m] Optane memory issues" echo $result if [[ $err -eq 0 ]] then @@ -96,7 +108,7 @@ for m in $(perf list --raw-dump metrics); do # No error result and metric shown. continue fi - echo "Metric '$m' has non-zero error '$result_err' or not printed in:" + echo "[Failed $m] has non-zero error '$result_err' or not printed in:" echo "$result" err=1 done diff --git a/tools/perf/tests/shell/test_event_open_fallback.sh b/tools/perf/tests/shell/test_event_open_fallback.sh new file mode 100755 index 000000000000..9420a7557c13 --- /dev/null +++ b/tools/perf/tests/shell/test_event_open_fallback.sh @@ -0,0 +1,71 @@ +#!/bin/bash +# Perf event open fallback test +# SPDX-License-Identifier: GPL-2.0 + +skip_cnt=0 +ok_cnt=0 +err_cnt=0 + +perf_record() +{ + perf record -o /dev/null "$@" -- true 1>/dev/null 2>&1 +} + +test_decrease_precise_ip() +{ + echo "Decrease precise ip test" + + perf list pmu | grep -q 'cycles' || return 2 + + if ! perf_record -e cycles; then + return 2 + fi + + # It should reduce precision level down to 0 if needed. + if ! perf_record -e cycles:P; then + return 1 + fi + return 0 +} + +test_decrease_precise_ip_complicated() +{ + echo "Decrease precise ip test (complicated case)" + + perf list pmu | grep -q 'mem-loads-aux' || return 2 + + if ! perf_record -e '{mem-loads-aux:S,mem-loads:PS}'; then + return 1 + fi + return 0 +} + +count_result() +{ + if [ "$1" -eq 2 ] ; then + skip_cnt=$((skip_cnt + 1)) + return + fi + if [ "$1" -eq 0 ] ; then + ok_cnt=$((ok_cnt + 1)) + return + fi + err_cnt=$((err_cnt + 1)) +} + +ret=0 +test_decrease_precise_ip || ret=$? ; count_result $ret ; ret=0 +test_decrease_precise_ip_complicated || ret=$? ; count_result $ret ; ret=0 + +cleanup + +if [ ${err_cnt} -gt 0 ] ; then + exit 1 +fi + +if [ ${ok_cnt} -gt 0 ] ; then + exit 0 +fi + +# Skip +exit 2 diff --git a/tools/perf/tests/shell/timechart.sh b/tools/perf/tests/shell/timechart.sh new file mode 100755 index 000000000000..b14b3472c284 --- /dev/null +++ b/tools/perf/tests/shell/timechart.sh @@ -0,0 +1,67 @@ +#!/bin/bash +# perf timechart tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_timechart_test.perf.data.XXXXX) +output=$(mktemp /tmp/__perf_timechart_test.output.XXXXX.svg) + +cleanup() { + rm -f "${perfdata}" + rm -f "${output}" + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_timechart() { + echo "Basic perf timechart test" + + # Try to record timechart data. + # perf timechart record uses system-wide recording and specific tracepoints. + # If it fails (e.g. permissions, missing tracepoints), skip the test. + if ! perf timechart record -o "${perfdata}" true > /dev/null 2>&1; then + echo "Basic perf timechart test [Skipped: perf timechart record failed (permissions/events?)]" + return + fi + + # Generate the timechart + if ! perf timechart -i "${perfdata}" -o "${output}" > /dev/null 2>&1; then + echo "Basic perf timechart test [Failed: perf timechart command failed]" + err=1 + return + fi + + # Check if output file exists and is not empty + if [ ! -s "${output}" ]; then + echo "Basic perf timechart test [Failed: output file is empty or missing]" + err=1 + return + fi + + # Check if it looks like an SVG + if ! grep -q "svg" "${output}"; then + echo "Basic perf timechart test [Failed: output doesn't look like SVG]" + err=1 + return + fi + + echo "Basic perf timechart test [Success]" +} + +if ! perf check feature -q libtraceevent ; then + echo "perf timechart is not supported. Skip." + cleanup + exit 2 +fi + +test_timechart +cleanup +exit $err diff --git a/tools/perf/tests/shell/top.sh b/tools/perf/tests/shell/top.sh new file mode 100755 index 000000000000..768ebcf7a89c --- /dev/null +++ b/tools/perf/tests/shell/top.sh @@ -0,0 +1,74 @@ +#!/bin/bash +# perf top tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +log_file=$(mktemp /tmp/perf.top.log.XXXXX) + +cleanup() { + rm -f "${log_file}" + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_basic_perf_top() { + echo "Basic perf top test" + + # Start a workload that spins to generate samples + # thloop runs for the specified number of seconds + perf test -w thloop 20 & + PID=$! + + # Allow it to start + sleep 0.1 + + # Run perf top for 5 seconds, monitoring that PID + # Use --stdio to avoid TUI and redirect output + # Use -d 1 to avoid flooding output + # Use -e cpu-clock to ensure we get samples + # Use sleep to keep stdin open but silent, preventing EOF loop or interactive spam + if ! sleep 10 | timeout 5s perf top --stdio -d 1 -e cpu-clock -p $PID > "${log_file}" 2>&1; then + retval=$? + if [ $retval -ne 124 ] && [ $retval -ne 0 ]; then + echo "Basic perf top test [Failed: perf top failed to start or run (ret=$retval)]" + head -n 50 "${log_file}" + kill $PID + wait $PID 2>/dev/null || true + err=1 + return + fi + fi + + kill $PID + wait $PID 2>/dev/null || true + + # Check for some sample data (percentage) + if ! grep -E -q "[0-9]+\.[0-9]+%" "${log_file}"; then + echo "Basic perf top test [Failed: no sample percentage found]" + head -n 50 "${log_file}" + err=1 + return + fi + + # Check for the symbol + if ! grep -q "test_loop" "${log_file}"; then + echo "Basic perf top test [Failed: test_loop symbol not found]" + head -n 50 "${log_file}" + err=1 + return + fi + + echo "Basic perf top test [Success]" +} + +test_basic_perf_top +cleanup +exit $err |