tools/metrics/histograms/histograms.xml - Issue 659773002: New histogram to track overhead time spent around beforeunload event + fixes

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

Issue 659773002: New histogram to track overhead time spent around beforeunload event + fixes (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Addressing CR comments. Created 6 years, 2 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 dd89b52f6e84b34323b6c4b3884c4ed45bea44c8..81eab6c1e0e8bb0f6f279abc0ab7884efebf7944 100644

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

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

@@ -14008,6 +14008,16 @@ Therefore, the affected-histogram name has to have at least one dot in it.

<summary>The scheme of the URL for each main-frame navigation.</summary>

</histogram>

+<histogram name="Navigation.OnBeforeUnloadOverheadTime" units="milliseconds">

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

+ <summary>

+ Overhead time spent handling the OnBeforeUnload event from the browser

+ standpoint. More precisely, it is the total time between dispatch and

+ acknowledgment of the BeforeUnload event on the browser side, minus the

+ actual time spent executing the BeforeUnload handlers on the renderer side.

+ </summary>

+</histogram>

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

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

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