Re: [PATCH] perf test: Skip sched stats test for !root

[Ian Rogers]

On Sat, Apr 4, 2026 at 10:16 PM Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
>
> Running perf sched stats requires root and it fails to open the
> schedstat file for regular users.  Let's skip the test.
>
>   $ perf sched stats true
>   Failed to open /proc/sys/kernel/sched_schedstats
>
> Cc: Swapnil Sapkal <swapnil.sapkal@xxxxxxx>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx>

Thanks,
Ian

> ---
>  tools/perf/tests/shell/perf_sched_stats.sh | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/tools/perf/tests/shell/perf_sched_stats.sh b/tools/perf/tests/shell/perf_sched_stats.sh
> index 2b1410b050d04737..41ee41fbf0253d55 100755
> --- a/tools/perf/tests/shell/perf_sched_stats.sh
> +++ b/tools/perf/tests/shell/perf_sched_stats.sh
> @@ -4,6 +4,11 @@
>
>  set -e
>
> +if [ "$(id -u)" != 0 ]; then
> +  echo "[Skip] No root permission"
> +  exit 2
> +fi
> +
>  err=0
>  test_perf_sched_stats_record() {
>    echo "Basic perf sched stats record test"
> --
> 2.53.0
>