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drm/i915/pmu: Skip sampling engines with no enabled counters

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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@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230519154946.3751971-4-umesh.nerlige.ramappa@intel.com
This commit is contained in:
Tvrtko Ursulin 2023-05-19 08:49:42 -07:00 committed by Umesh Nerlige Ramappa
parent e367d3c451
commit 08322dabb5
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_pmu.c
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@ -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;