tools/metrics/histograms/histograms.xml - Issue 2752573002: Add BeginFrameLatency UMA

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

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Issue 2752573002: Add BeginFrameLatency UMA (Closed)

Patch Set: Skip frames that originate from BeginFrameArgs::MISSED args Created 3 years, 9 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 3670e9d20f50d763404c55cd8b62b1dead75b309..8e1914e305e31d2dca4ce77772ab13935cba980e 100644

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

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

@@ -60633,6 +60633,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<summary>How long it takes the swap ack to return after a swap.</summary>

</histogram>

+<histogram name="Scheduling.VsyncToBeginMainFrameLatency2" units="microseconds">

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

+ <summary>

+ The time from v-sync to when the main side actually starts the

+ BeginMainFrame.

+ </summary>

+</histogram>

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

@@ -115142,6 +115150,7 @@ from previous Chrome versions.

<affected-histogram name="Scheduling.PrepareTilesDuration2"/>

<affected-histogram name="Scheduling.SwapAckWasFast"/>

<affected-histogram name="Scheduling.SwapToAckLatency2"/>

+ <affected-histogram name="Scheduling.VsyncToBeginMainFrameLatency2"/>

</histogram_suffixes>

<histogram_suffixes name="CompositorTimingHistoryProcess2" separator="."