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

Issue 121653002: Track AsyncReadback time using histogram. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebased TOT. Created 6 years, 11 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 006a749a9c3eb2ea630d5166c63fd594113560fb..3fd592ac03a9c2e13580184a02261e8071363c59 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -1584,6 +1584,19 @@ other types of suffix sets.
</summary>
</histogram>
+<histogram name="Compositing.CopyFromSurfaceTime" units="ms">
+ <summary>
+ The turn around time taken for the async readback of pixels is measured
+ here.
+ </summary>
+</histogram>
+
+<histogram name="Compositing.CopyFromSurfaceTimeSynchronous" units="ms">
+ <summary>
+ The time taken for the sync readback of pixels is measured here.
+ </summary>
+</histogram>
+
<histogram name="ConnectivityDiagnostics.ChromeOsSignalStrength"
units="percent">
<summary>
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