[PATCH i-g-t v2] tests/intel/xe_compute_preempt: Add compute-preempt-many

[Kumar, Janga Rahul]

> -----Original Message-----
> From: Das, Nirmoy <nirmoy.das at intel.com>
> Sent: Wednesday, February 28, 2024 9:51 PM
> To: igt-dev at lists.freedesktop.org
> Cc: Das, Nirmoy <nirmoy.das at intel.com>; Kumar, Janga Rahul
> <janga.rahul.kumar at intel.com>; Kempczynski, Zbigniew
> <zbigniew.kempczynski at intel.com>
> Subject: [PATCH i-g-t v2] tests/intel/xe_compute_preempt: Add compute-
> preempt-many
> 
> Add compute-preempt-many which should exercise multiple mid-thread
> preemption at a time for multiple contexts.
> 
> v2: move igt_fork within the test(Zbigniew).
> 
> Cc: Janga Rahul Kumar <janga.rahul.kumar at intel.com>
> Cc: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
> Signed-off-by: Nirmoy Das <nirmoy.das at intel.com>
LGTM,
Reviewed-by: Janga Rahul Kumar <janga.rahul.kumar at intel.com>

> ---
>  tests/intel/xe_compute_preempt.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/tests/intel/xe_compute_preempt.c
> b/tests/intel/xe_compute_preempt.c
> index a4e0e1454..0aeb10547 100644
> --- a/tests/intel/xe_compute_preempt.c
> +++ b/tests/intel/xe_compute_preempt.c
> @@ -22,6 +22,11 @@
>   * Description:
>   *      Exercise compute walker mid thread preemption scenario
>   * Functionality: compute openCL kernel
> + * SUBTEST: compute-preempt-many
> + * GPU requirement: LNL
> + * Description:
> + *      Exercise multiple walker mid thread preemption scenario
> + * Functionality: compute openCL kernel
>   */
>  static void
>  test_compute_preempt(int fd, struct drm_xe_engine_class_instance *hwe)
> @@ -48,6 +53,20 @@ igt_main
>  		}
>  	}
> 
> +	igt_subtest_with_dynamic("compute-preempt-many") {
> +		xe_for_each_engine(xe, hwe) {
> +			/* TODO: This subtest fails on RCS engine */
> +			if (hwe->engine_class !=
> DRM_XE_ENGINE_CLASS_COMPUTE)
> +				continue;
> +
> +			igt_dynamic_f("engine-%s",
> xe_engine_class_string(hwe->engine_class)) {
> +				igt_fork(child, 100)
> +					test_compute_preempt(xe, hwe);
> +				igt_waitchildren();
> +			}
> +		}
> +	}
> +
>  	igt_fixture
>  		drm_close_driver(xe);
> 
> --
> 2.42.0