Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH v3] perf test: Add ARM SPE system wide test | Date | Fri, 1 Jul 2022 16:09:32 -0700 |
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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.
Cc: German Gomez <german.gomez@arm.com> Cc: Leo Yan <leo.yan@linaro.org> Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- * skip if system-wide record was failed * use dummy event for testing
tools/perf/tests/shell/test_arm_spe.sh | 30 +++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-)
diff --git a/tools/perf/tests/shell/test_arm_spe.sh b/tools/perf/tests/shell/test_arm_spe.sh index e59044edc406..0d47479adba8 100755 --- a/tools/perf/tests/shell/test_arm_spe.sh +++ b/tools/perf/tests/shell/test_arm_spe.sh @@ -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 -- 2.37.0.rc0.161.g10f37bed90-goog
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