RESOLVED FIXED314796
Reduce power cost of VideoPlaybackQualityMetrics 
https://bugs.webkit.org/show_bug.cgi?id=314796
Summary Reduce power cost of VideoPlaybackQualityMetrics
Jean-Yves Avenard [:jya]
Reported 2026-05-14 00:43:25 PDT
The SIO clock went from nearly idle (0.014%) to fully active (100%), and video subsystem power rails TVVi and TVEi surged +349% (0.50W → 2.26W) and +306% (0.23W → 0.93W) respectively. CPU workload is broadly elevated: WindowServer pcpu-instructions +627%, WebKit.GPU pcpu-instructions +336%, WebKit.WebContent cputime +95%, WebKit.Networking cputime +72%. rdar://176487081
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Jean-Yves Avenard [:jya]
Comment 1 2026-05-14 06:54:14 PDT
Pull request: https://github.com/WebKit/WebKit/pull/64931
EWS
Comment 2 2026-05-15 03:15:16 PDT
Committed 313304@main (2b092c252762): <https://commits.webkit.org/313304@main> Reviewed commits have been landed. Closing PR #64931 and removing active labels.
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