tools/metrics/histograms/histograms.xml - Issue 760763002: Add startup metrics that measure the performance of the first web contents.

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

Issue 760763002: Add startup metrics that measure the performance of the first web contents. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 6 years, 1 month 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 e178c037e31d3b98889e20b182e47aef8b43e790..18d13e935249903eed49e0ef9d9196187b6e79c4 100644

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

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

@@ -34948,6 +34948,22 @@ Therefore, the affected-histogram name has to have at least one dot in it.

</summary>

</histogram>

+<histogram name="Startup.FirstWebContents.MainFrameLoad" units="milliseconds">

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

+ <summary>

+ The elapsed time from process launch to the first main frame load of the

+ first web contents.

+ </summary>

+</histogram>

+<histogram name="Startup.FirstWebContents.NonEmptyPaint" units="milliseconds">

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

+ <summary>

+ The elapsed time from process launch to the first non-empty paint of the

+ first web contents.

+ </summary>

+</histogram>

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