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

[Swapnil Sapkal]

Hi Namhyung,

On 05-04-2026 10:46, Namhyung Kim 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>

Tested-by: Swapnil Sapkal <swapnil.sapkal@xxxxxxx>

--
Thanks and Regards,
Swapnil

> ---
>   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"