[PATCH 7/8] perf test: Test record with --threads option

From: Namhyung Kim
Date: Thu Oct 20 2022 - 13:27:18 EST


The --threads option changed the perf record behavior significantly, so
it'd be nice if we test it separately. Add --threads options with
different argument in each test supported and check the result.

Also update the cleanup routine because threads recording produces data
in a directory.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
tools/perf/tests/shell/record.sh | 30 ++++++++++++++++++++++++++++--
1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
index c59d1459c960..01aa9531b369 100755
--- a/tools/perf/tests/shell/record.sh
+++ b/tools/perf/tests/shell/record.sh
@@ -13,8 +13,8 @@ testprog=$(mktemp /tmp/__perf_test.prog.XXXXXX)
testsym="test_loop"

cleanup() {
- rm -f "${perfdata}"
- rm -f "${perfdata}".old
+ rm -rf "${perfdata}"
+ rm -rf "${perfdata}".old

if [ "${testprog}" != "true" ]; then
rm -f "${testprog}"
@@ -171,6 +171,19 @@ test_system_wide() {
err=1
return
fi
+ if ! perf record -aB --synth=no -e cpu-clock,cs --threads=cpu \
+ -o "${perfdata}" ${testprog} 2> /dev/null
+ then
+ echo "System-wide record [Failed record --threads option]"
+ err=1
+ return
+ fi
+ if ! perf report -i "${perfdata}" -q | grep -q "${testsym}"
+ then
+ echo "System-wide record [Failed --threads missing output]"
+ err=1
+ return
+ fi
echo "Basic --system-wide mode test [Success]"
}

@@ -188,6 +201,19 @@ test_workload() {
err=1
return
fi
+ if ! perf record -e cpu-clock,cs --threads=package \
+ -o "${perfdata}" ${testprog} 2> /dev/null
+ then
+ echo "Workload record [Failed record --threads option]"
+ err=1
+ return
+ fi
+ if ! perf report -i "${perfdata}" -q | grep -q "${testsym}"
+ then
+ echo "Workload record [Failed --threads missing output]"
+ err=1
+ return
+ fi
echo "Basic target workload test [Success]"
}

--
2.38.0.135.g90850a2211-goog