Commit 08322dab authored by Tvrtko Ursulin's avatar Tvrtko Ursulin Committed by Umesh Nerlige Ramappa
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drm/i915/pmu: Skip sampling engines with no enabled counters 



As we have more and more engines do not waste time sampling the ones no-
one is monitoring.

Signed-off-by: default avatarTvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: default avatarUmesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: default avatarUmesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230519154946.3751971-4-umesh.nerlige.ramappa@intel.com
parent e367d3c4

drivers/gpu/drm/i915/i915_pmu.c

+3 −0
Original line number Diff line number Diff line
@@ -350,6 +350,9 @@ engines_sample(struct intel_gt *gt, unsigned int period_ns) 
		return;



	for_each_engine(engine, gt, id) {

		if (!engine->pmu.enable)

			continue;



		if (!intel_engine_pm_get_if_awake(engine))

			continue;