Open Bug 1245793 Opened 4 years ago Updated 3 years ago
investigate responsiveness metric for osx
we are turning on responsiveness metric (chrome only, not content) in bug 710296. This posts ~55 for non-e10s and <10 for e10s. For osx, sometimes we get values like this, but normally for both e10s and non-e10s, we get something in the 70K-80K range. This puts doubt into either the responsiveness collection, or the osx 10.10.5 configuration we are using in automation.
:jimm, can you look into this or find someone to look at it as you have expressed an interest in responsiveness?
For reference, the main implementation in Gecko is here: https://dxr.mozilla.org/mozilla-central/source/toolkit/xre/EventTracer.cpp and the Mac-specific bits are here: https://dxr.mozilla.org/mozilla-central/source/widget/cocoa/WidgetTraceEvent.mm https://dxr.mozilla.org/mozilla-central/rev/584870f1cbc5d060a57e147ce249f736956e2b62/widget/cocoa/nsAppShell.mm#106
To be clear, this isn't e10s specific, but we're interested in having this data for measuring e10s
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