diff options
Diffstat (limited to 'tools/perf/tests/shell/amd-ibs-swfilt.sh')
-rwxr-xr-x | tools/perf/tests/shell/amd-ibs-swfilt.sh | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/amd-ibs-swfilt.sh b/tools/perf/tests/shell/amd-ibs-swfilt.sh new file mode 100755 index 000000000000..83937aa687cc --- /dev/null +++ b/tools/perf/tests/shell/amd-ibs-swfilt.sh @@ -0,0 +1,67 @@ +#!/bin/sh +# AMD IBS software filtering + +echo "check availability of IBS swfilt" + +# check if IBS PMU is available +if [ ! -d /sys/bus/event_source/devices/ibs_op ]; then + echo "[SKIP] IBS PMU does not exist" + exit 2 +fi + +# check if IBS PMU has swfilt format +if [ ! -f /sys/bus/event_source/devices/ibs_op/format/swfilt ]; then + echo "[SKIP] IBS PMU does not have swfilt" + exit 2 +fi + +echo "run perf record with modifier and swfilt" + +# setting any modifiers should fail +perf record -B -e ibs_op//u -o /dev/null true 2> /dev/null +if [ $? -eq 0 ]; then + echo "[FAIL] IBS PMU should not accept exclude_kernel" + exit 1 +fi + +# setting it with swfilt should be fine +perf record -B -e ibs_op/swfilt/u -o /dev/null true +if [ $? -ne 0 ]; then + echo "[FAIL] IBS op PMU cannot handle swfilt for exclude_kernel" + exit 1 +fi + +# setting it with swfilt=1 should be fine +perf record -B -e ibs_op/swfilt=1/k -o /dev/null true +if [ $? -ne 0 ]; then + echo "[FAIL] IBS op PMU cannot handle swfilt for exclude_user" + exit 1 +fi + +# check ibs_fetch PMU as well +perf record -B -e ibs_fetch/swfilt/u -o /dev/null true +if [ $? -ne 0 ]; then + echo "[FAIL] IBS fetch PMU cannot handle swfilt for exclude_kernel" + exit 1 +fi + +# check system wide recording +perf record -aB --synth=no -e ibs_op/swfilt/k -o /dev/null true +if [ $? -ne 0 ]; then + echo "[FAIL] IBS op PMU cannot handle swfilt in system-wide mode" + exit 1 +fi + +echo "check number of samples with swfilt" + +kernel_sample=$(perf record -e ibs_op/swfilt/u -o- true | perf script -i- -F misc | grep -c ^K) +if [ ${kernel_sample} -ne 0 ]; then + echo "[FAIL] unexpected kernel samples: " ${kernel_sample} + exit 1 +fi + +user_sample=$(perf record -e ibs_fetch/swfilt/k -o- true | perf script -i- -F misc | grep -c ^U) +if [ ${user_sample} -ne 0 ]; then + echo "[FAIL] unexpected user samples: " ${user_sample} + exit 1 +fi |