Merge remote-tracking branch 'torvalds/master' into perf/core
[linux-2.6-microblaze.git] / tools / perf / tests / shell / stat_bpf_counters.sh
index 2f9948b..2aed20d 100755 (executable)
@@ -22,10 +22,24 @@ compare_number()
 }
 
 # skip if --bpf-counters is not supported
-perf stat --bpf-counters true > /dev/null 2>&1 || exit 2
+if ! perf stat --bpf-counters true > /dev/null 2>&1; then
+       if [ "$1" == "-v" ]; then
+               echo "Skipping: --bpf-counters not supported"
+               perf --no-pager stat --bpf-counters true || true
+       fi
+       exit 2
+fi
 
 base_cycles=$(perf stat --no-big-num -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')
+if [ "$base_cycles" == "<not" ]; then
+       echo "Skipping: cycles event not counted"
+       exit 2
+fi
 bpf_cycles=$(perf stat --no-big-num --bpf-counters -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')
+if [ "$bpf_cycles" == "<not" ]; then
+       echo "Failed: cycles not counted with --bpf-counters"
+       exit 1
+fi
 
 compare_number $base_cycles $bpf_cycles
 exit 0