[Intel-gfx] [PATCH 2/6] drm/i915/pmu: Skip sampling engines with no enabled counters

[Umesh Nerlige Ramappa]

On Fri, May 05, 2023 at 05:58:12PM -0700, Umesh Nerlige Ramappa wrote:
>From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
>
>As we have more and more engines do not waste time sampling the ones no-
>one is monitoring.
>
>Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
>Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>
>---
> drivers/gpu/drm/i915/i915_pmu.c | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
>index 67fa6cd77529..ba769f7fc385 100644
>--- a/drivers/gpu/drm/i915/i915_pmu.c
>+++ b/drivers/gpu/drm/i915/i915_pmu.c
>@@ -339,6 +339,9 @@ engines_sample(struct intel_gt *gt, unsigned int period_ns)
> 		return;
>
> 	for_each_engine(engine, gt, id) {
>+		if (!engine->pmu.enable)
>+			continue;
>+

Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>

Thanks,
Umesh
> 		if (!intel_engine_pm_get_if_awake(engine))
> 			continue;
>
>-- 
>2.36.1
>