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

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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: Addressed 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 83839e40d228618760d0f2a79b0bf537b2462709..0360952931b4084c4e005fe7f2c8fd764f7c85ab 100644

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

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

@@ -14023,6 +14023,16 @@ 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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