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perf test: Ignore security failures in all PMU test

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Refactor code to have some more error diagnosis on traps, etc. and to
do less work on each line. Add an ignore situation for security failures.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Link: https://lore.kernel.org/r/20240925173013.12789-1-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2024-09-25 10:30:13 -07:00 committed by Namhyung Kim
parent 77b004f4c5
commit 7e73ea4029
1 changed files with 40 additions and 12 deletions
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52
tools/perf/tests/shell/stat_all_pmu.sh
View File

@ -1,23 +1,51 @@
#!/bin/sh
#!/bin/bash
# perf all PMU test
# 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
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 "$p" && ! echo "$result" | grep -q "<not supported>" ; then
# 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
echo "Event '$p' not printed in:"
echo "$result"
exit 1
fi
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
exit 0
trap - EXIT TERM INT
exit $err