linux/tools/perf/tests/shell/stat_all_pmu.sh
Ian Rogers 2532be3d21 perf test: Tag parallel failing shell tests with "(exclusive)"
Some shell tests compete for resources and so can't run with other
tests, tag such tests.  The "(exclusive)" stems from shared/exclusive
to describe how the tests run as if holding a lock.

For ARM/coresight tests:
Suggested-by: James Clark <james.clark@linaro.org>

Additional failing tests:
Suggested-by: Namhyung Kim <namhyung@kernel.org>

Tested-by: James Clark <james.clark@linaro.org>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Veronika Molnarova <vmolnaro@redhat.com>
Link: https://lore.kernel.org/r/20241025192109.132482-6-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2024-10-28 09:32:58 -07:00

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#!/bin/bash
# perf all PMU test (exclusive)
# SPDX-License-Identifier: GPL-2.0
set -e
err=0
result=""
trap_cleanup() {
echo "Unexpected signal in ${FUNCNAME[1]}"
echo "$result"
exit 1
}
trap trap_cleanup EXIT TERM INT
# Test all PMU events; however exclude parameterized ones (name contains '?')
for p in $(perf list --raw-dump pmu | sed 's/[[:graph:]]\+?[[:graph:]]\+[[:space:]]//g')
do
echo "Testing $p"
result=$(perf stat -e "$p" true 2>&1)
if echo "$result" | grep -q "$p"
then
# Event seen in output.
continue
fi
if echo "$result" | grep -q "<not supported>"
then
# Event not supported, so ignore.
continue
fi
if echo "$result" | grep -q "Access to performance monitoring and observability operations is limited."
then
# Access is limited, so ignore.
continue
fi
# We failed to see the event and it is supported. Possibly the workload was
# too small so retry with something longer.
result=$(perf stat -e "$p" perf bench internals synthesize 2>&1)
if echo "$result" | grep -q "$p"
then
# Event seen in output.
continue
fi
echo "Error: event '$p' not printed in:"
echo "$result"
err=1
done
trap - EXIT TERM INT
exit $err