Commit 00b32625 authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf test: Add ARM SPE system wide test 



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: default avatarGerman Gomez <german.gomez@arm.com>
Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Tested-by: default avatarLeo 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 5f4e821c

tools/perf/tests/shell/test_arm_spe.sh

+27 −3
Original line number Diff line number Diff line
@@ -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