diff options
Diffstat (limited to 'tools/perf/tests/shell/stat_all_pmu.sh')
-rwxr-xr-x | tools/perf/tests/shell/stat_all_pmu.sh | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/stat_all_pmu.sh b/tools/perf/tests/shell/stat_all_pmu.sh new file mode 100755 index 000000000000..9c466c0efa85 --- /dev/null +++ b/tools/perf/tests/shell/stat_all_pmu.sh @@ -0,0 +1,71 @@ +#!/bin/bash +# perf all PMU test (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +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 -n "Testing $p -- " + output=$(perf stat -e "$p" true 2>&1) + stat_result=$? + if echo "$output" | grep -q "$p" + then + # Event seen in output. + if [ $stat_result -eq 0 ] && ! echo "$output" | grep -q "<not supported>" + then + # Event supported. + echo "supported" + continue + elif echo "$output" | grep -q "<not supported>" + then + # Event not supported, so ignore. + echo "not supported" + continue + elif echo "$output" | grep -q "No permission to enable" + then + # No permissions, so ignore. + echo "no permission to enable" + continue + elif echo "$output" | grep -q "Bad event name" + then + # Non-existent event. + echo "Error: Bad event name" + echo "$output" + err=1 + continue + fi + fi + + if echo "$output" | grep -q "Access to performance monitoring and observability operations is limited." + then + # Access is limited, so ignore. + echo "access limited" + continue + fi + + # We failed to see the event and it is supported. Possibly the workload was + # too small so retry with something longer. + output=$(perf stat -e "$p" perf bench internals synthesize 2>&1) + if echo "$output" | grep -q "$p" + then + # Event seen in output. + echo "supported" + continue + fi + echo "Error: event '$p' not printed in:" + echo "$output" + err=1 +done + +trap - EXIT TERM INT +exit $err |