tools/metrics/histograms/histograms.xml - Issue 1955643002: Add UMA metric to track the time saved on making events passive during fling

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Unified Diff: tools/metrics/histograms/histograms.xml

Issue 1955643002: Add UMA metric to track the time saved on making events passive during fling (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Change bucket size and comments Created 4 years, 7 months ago

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Index: tools/metrics/histograms/histograms.xml

diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml

index 5792258ce98e83db333066e6c4b296268e18be76..31fb7e74dde9f942cbfd9999585ad88980ea433a 100644

--- a/tools/metrics/histograms/histograms.xml

+++ b/tools/metrics/histograms/histograms.xml

@@ -12470,6 +12470,25 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</summary>

</histogram>

+<histogram name="Event.Touch.TouchStartLatencyDuringFling" units="microseconds">

+ <owner>tdresser@chromium.org</owner>

+ <summary>

+ Time between when a touch start event was generated and the event was

+ processed. Recorded only when there was an active fling animation. This

+ histogram tracks the benefit of forcing passive event listeners during

+ fling.

+ </summary>

+</histogram>

+<histogram name="Event.Touch.TouchStartLatencyOutsideFling"

+ units="microseconds">

+ <owner>tdresser@chromium.org</owner>

+ <summary>

+ Time between when a touch start event was generated and the event was

+ processed. Recorded only when there was no active fling animation.

+ </summary>

+</histogram>

<owner>kuscher@google.com</owner>

<owner>rbyers@chromium.org</owner>

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