On Thu, Jul 9, 2026 at 7:51 PM Wake Liu <[email protected]> wrote:
>
> The raw_skew test currently sleeps for 120 seconds to estimate clock
> drift. This is a very long time for a single test, and can cause
> timeouts in automated test suites or CI systems.
>

Sheesh, nobody has two minutes to spare?  :)

> Allow overriding the sleep time via a command line argument,
> so it can be adjusted if needed in different environments, while
> keeping the default at 120 seconds to preserve original behavior.
>
> Signed-off-by: Wake Liu <[email protected]>
> ---
>  tools/testing/selftests/timers/raw_skew.c | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/tools/testing/selftests/timers/raw_skew.c 
> b/tools/testing/selftests/timers/raw_skew.c
> index a7bae7d80916..03cdcecba8f4 100644
> --- a/tools/testing/selftests/timers/raw_skew.c
> +++ b/tools/testing/selftests/timers/raw_skew.c
> @@ -92,6 +92,15 @@ int main(int argc, char **argv)
>         struct timespec mon, raw, start, end;
>         long long delta1, delta2, interval, eppm, ppm;
>         struct timex tx1, tx2;
> +       int sleep_sec = 120;
> +
> +       if (argc > 1) {
> +               sleep_sec = atoi(argv[1]);
> +               if (sleep_sec <= 0) {
> +                       printf("Invalid sleep time, using default 120s\n");
> +                       sleep_sec = 120;
> +               }
> +       }

This probably needs some usage documentation so folks can discover this?
(Which may mean also supporting -h/--help)

Otherwise seems reasonable.

thanks!
-john

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