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Message-Id: <20220615190735.1298213-1-namhyung@kernel.org>
Date: Wed, 15 Jun 2022 12:07:35 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
Jiri Olsa <jolsa@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
LKML <linux-kernel@...r.kernel.org>,
Ian Rogers <irogers@...gle.com>,
linux-perf-users@...r.kernel.org,
John Garry <john.garry@...wei.com>,
Will Deacon <will@...nel.org>,
James Clark <james.clark@....com>,
Mike Leach <mike.leach@...aro.org>,
German Gomez <german.gomez@....com>,
Leo Yan <leo.yan@...aro.org>
Subject: [PATCH] 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.
Cc: German Gomez <german.gomez@....com>
Cc: Leo Yan <leo.yan@...aro.org>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
tools/perf/tests/shell/test_arm_spe.sh | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/tools/perf/tests/shell/test_arm_spe.sh b/tools/perf/tests/shell/test_arm_spe.sh
index e59044edc406..b9c588ae393b 100755
--- a/tools/perf/tests/shell/test_arm_spe.sh
+++ b/tools/perf/tests/shell/test_arm_spe.sh
@@ -23,6 +23,7 @@ glb_err=0
cleanup_files()
{
rm -f ${perfdata}
+ rm -f ${perfdata}.old
exit $glb_err
}
@@ -85,5 +86,19 @@ 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 ${perfdata} -e arm_spe// -a \
+ -- dd if=/dev/zero of=/dev/null count=100000 > /dev/null 2>&1
+
+ perf_script_samples dd &&
+ perf_report_samples dd
+
+ err=$?
+ arm_spe_report "SPE system-wide testing" $err
+}
+
arm_spe_snapshot_test
+arm_spe_system_wide_test
+
exit $glb_err
--
2.36.1.476.g0c4daa206d-goog
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