[PATCH i-g-t 2/2] tests/intel/xe_pm_residency: Limit max usleep time to 50sec.

[Cavitt, Jonathan]

-----Original Message-----
From: igt-dev <igt-dev-bounces at lists.freedesktop.org> On Behalf Of Himal Prasad Ghimiray
Sent: Monday, October 7, 2024 10:24 AM
To: igt-dev at lists.freedesktop.org
Cc: Ghimiray, Himal Prasad <himal.prasad.ghimiray at intel.com>; Brost, Matthew <matthew.brost at intel.com>; Nilawar, Badal <badal.nilawar at intel.com>; Tauro, Riana <riana.tauro at intel.com>; Gupta, Anshuman <anshuman.gupta at intel.com>
Subject: [PATCH i-g-t 2/2] tests/intel/xe_pm_residency: Limit max usleep time to 50sec.
> 
> There may be an approximately 1-second delay between xe_exec and
> xe_sched_job_run, which could result in the usleep duration exceeding IGT
> timeouts. To address this, limit the maximum usleep time to 50 seconds
> 
> Cc: Matthew Brost <matthew.brost at intel.com>
> Cc: Badal Nilawar <badal.nilawar at intel.com>
> Cc: Riana Tauro <riana.tauro at intel.com>
> Cc: Anshuman Gupta <anshuman.gupta at intel.com>
> Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>

Seems good.
Reviewed-by: Jonathan Cavitt <jonathan.cavitt at intel.com>
-Jonathan Cavitt

> ---
>  tests/intel/xe_pm_residency.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tests/intel/xe_pm_residency.c b/tests/intel/xe_pm_residency.c
> index f4d05889c..a86107eca 100644
> --- a/tests/intel/xe_pm_residency.c
> +++ b/tests/intel/xe_pm_residency.c
> @@ -150,7 +150,7 @@ static void exec_load(int fd, struct drm_xe_engine_class_instance *hwe, unsigned
>  		 * Execute the above workload for ~1% of the elapsed time and sleep for
>  		 * the rest of the time (~99%)
>  		 */
> -		usleep(elapsed / 10);
> +		usleep(min_t(elapsed, elapsed / 10, 50 * 1000));
>  	} while (!READ_ONCE(*done));
>  
>  	xe_vm_unbind_sync(fd, vm, 0, addr, bo_size);
> -- 
> 2.34.1
> 
>