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SubjectRe: [PATCH 3/4] perf test: Add verbose skip output for bpf counters
Em Thu, Jun 17, 2021 at 11:42:15AM -0700, Ian Rogers escreveu:
> Provide additional context for when the stat bpf counters test skips.

Thanks, applied.

- Arnaldo


> 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 2f9948b3d943..81d61b6e1208 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

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