Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-30 16:11:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

perf test: Add ARM SPE system wide test

Browse Source 
In the past it had a problem not setting the pid/tid on the sample
correctly when system-wide mode is used.  Although it's fixed now it'd
be nice if we have a test case for it.

Reviewed-by: German Gomez <german.gomez@arm.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20220701230932.1000495-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2022-07-01 16:09:32 -07:00 committed by Arnaldo Carvalho de Melo
parent 5f4e821c6c
commit 00b3262598
1 changed files with 27 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
tools/perf/tests/shell/test_arm_spe.sh
View File

@ -23,17 +23,20 @@ glb_err=0
cleanup_files()
{
rm -f ${perfdata}
rm -f ${perfdata}.old
exit $glb_err
}
trap cleanup_files exit term int
arm_spe_report() {
if [ $2 != 0 ]; then
if [ $2 = 0 ]; then
echo "$1: PASS"
elif [ $2 = 2 ]; then
echo "$1: SKIPPED"
else
echo "$1: FAIL"
glb_err=$2
else
echo "$1: PASS"
fi
}
@ -85,5 +88,26 @@ arm_spe_snapshot_test() {
arm_spe_report "SPE snapshot testing" $err
}
arm_spe_system_wide_test() {
echo "Recording trace with system-wide mode $perfdata"
perf record -o - -e dummy -a -B true > /dev/null 2>&1
if [ $? != 0 ]; then
arm_spe_report "SPE system-wide testing" 2
return
fi
perf record -o ${perfdata} -e arm_spe// -a --no-bpf-event \
-- dd if=/dev/zero of=/dev/null count=100000 > /dev/null 2>&1
perf_script_samples dd &&
perf_report_samples dd
err=$?
arm_spe_report "SPE system-wide testing" $err
}
arm_spe_snapshot_test
arm_spe_system_wide_test
exit $glb_err