diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh index 525d0c44fdc6..5a2ca2bcf94d 100755 --- a/tools/perf/tests/shell/stat.sh +++ b/tools/perf/tests/shell/stat.sh @@ -148,6 +148,30 @@ test_cputype() { echo "cputype test [Success]" } +test_hybrid() { + # Test the default stat command on hybrid devices opens one cycles event for + # each CPU type. + echo "hybrid test" + + # Count the number of core PMUs, assume minimum of 1 + pmus=$(ls /sys/bus/event_source/devices/*/cpus 2>/dev/null | wc -l) + if [ "$pmus" -lt 1 ] + then + pmus=1 + fi + + # Run default Perf stat + cycles_events=$(perf stat -- true 2>&1 | grep -E "/cycles/| cycles " | wc -l) + + if [ "$pmus" -ne "$cycles_events" ] + then + echo "hybrid test [Found $pmus PMUs but $cycles_events cycles events. Failed]" + err=1 + return + fi + echo "hybrid test [Success]" +} + test_default_stat test_stat_record_report test_stat_record_script @@ -155,4 +179,5 @@ test_stat_repeat_weak_groups test_topdown_groups test_topdown_weak_groups test_cputype +test_hybrid exit $err