[igt-dev] [v2 1/5] tests/intel: Add multi-gt support for rc6-idle test

[Riana Tauro]

On 11/9/2023 4:30 PM, Sujaritha Sundaresan wrote:
> Adding multi-gt support for the rc6-idle subtest
> 
> Signed-off-by: Sujaritha Sundaresan <sujaritha.sundaresan at intel.com>
Looks good to me

Reviewed-by: Riana Tauro <riana.tauro at intel.com>
> ---
>   tests/intel/i915_pm_rc6_residency.c | 18 +++++++++++-------
>   1 file changed, 11 insertions(+), 7 deletions(-)
> 
> diff --git a/tests/intel/i915_pm_rc6_residency.c b/tests/intel/i915_pm_rc6_residency.c
> index b266680ac..57ac5c721 100644
> --- a/tests/intel/i915_pm_rc6_residency.c
> +++ b/tests/intel/i915_pm_rc6_residency.c
> @@ -376,7 +376,7 @@ static void kill_children(int sig)
>   	signal(sig, old);
>   }
>   
> -static void rc6_idle(int i915, uint32_t ctx_id, uint64_t flags)
> +static void rc6_idle(int i915, uint32_t ctx_id, uint64_t flags, unsigned int gt)
>   {
>   	const int64_t duration_ns = SLEEP_DURATION * (int64_t)NSEC_PER_SEC;
>   	const int tolerance = 20; /* Some RC6 is better than none! */
> @@ -397,7 +397,7 @@ static void rc6_idle(int i915, uint32_t ctx_id, uint64_t flags)
>   	struct igt_power gpu;
>   	int fd;
>   
> -	fd = open_pmu(i915, I915_PMU_RC6_RESIDENCY);
> +	fd = open_pmu(i915, __I915_PMU_RC6_RESIDENCY(gt));
>   	igt_drop_caches_set(i915, DROP_IDLE);
>   	igt_require(__pmu_wait_for_rc6(fd));
>   	igt_power_open(i915, &gpu, "gpu");
> @@ -558,6 +558,7 @@ static void rc6_fence(int i915, const intel_ctx_t *ctx)
>   igt_main
>   {
>   	int i915 = -1;
> +	unsigned int dirfd, gt;
>   	const intel_ctx_t *ctx;
>   
>   	/* Use drm_open_driver to verify device existence */
> @@ -572,11 +573,15 @@ igt_main
>   		igt_require_gem(i915);
>   		gem_quiescent_gpu(i915);
>   
> -		for_each_ctx_engine(i915, ctx, e) {
> -			if (e->instance == 0) {
> -				igt_dynamic_f("%s", e->name)
> -					rc6_idle(i915, ctx->id, e->flags);
> +		i915_for_each_gt(i915, dirfd, gt) {
> +			ctx = intel_ctx_create_for_gt(i915, gt);
> +			for_each_ctx_engine(i915, ctx, e) {
> +				if (e->instance == 0) {
> +					igt_dynamic_f("gt%u-%s", gt, e->name)
> +						rc6_idle(i915, ctx->id, e->flags, gt);
> +				}
>   			}
> +			intel_ctx_destroy(i915, ctx);
>   		}
>   	}
>   
> @@ -626,7 +631,6 @@ igt_main
>   	}
>   
>   	igt_fixture {
> -		intel_ctx_destroy(i915, ctx);
>   		drm_close_driver(i915);
>   	}
>   }