Re: [PATCH v2 2/3] perf test: Add verbose skip output for bpf counters
From: Arnaldo Carvalho de Melo <acme@kernel.org>
Date: 2021-06-22 18:06:23
Also in:
bpf, lkml
Em Mon, Jun 21, 2021 at 02:56:47PM -0700, Ian Rogers escreveu:
Provide additional context for when the stat bpf counters test skips.
Ditto
quoted hunk ↗ jump to hunk
Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/tests/shell/stat_bpf_counters.sh | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)diff --git a/tools/perf/tests/shell/stat_bpf_counters.sh b/tools/perf/tests/shell/stat_bpf_counters.sh index 22eb31e48ca7..85eb689fe202 100755 --- a/tools/perf/tests/shell/stat_bpf_counters.sh +++ b/tools/perf/tests/shell/stat_bpf_counters.sh@@ -22,7 +22,13 @@ 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 $1}') bpf_cycles=$(perf stat --no-big-num --bpf-counters -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')-- 2.32.0.288.g62a8d224e6-goog
-- - Arnaldo