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

Issue 2533783003: Add metrics for style update time before FCP. (Closed)
Patch Set: value_or(base::TimeDelta()) Created 4 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 50c656f7c7a6c30490e717e4c25ee2631bfd9119..891ba0133f72551cf7c12402ed5bedc9eb6f8702 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -41478,6 +41478,22 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="PageLoad.CSSTiming.ParseAndUpdate.BeforeFirstContentfulPaint"
+ units="ms">
+ <owner>csharrison@chromium.org</owner>
+ <summary>
+ The sum of CSSTiming.Update and CSSTiming.Parse variants for this page load.
+ </summary>
+</histogram>
+
+<histogram name="PageLoad.CSSTiming.Update.BeforeFirstContentfulPaint"
+ units="ms">
+ <owner>csharrison@chromium.org</owner>
+ <summary>
+ The time spent in Document::updateStyle before the first contentful paint.
+ </summary>
+</histogram>
+
<histogram
name="PageLoad.DocumentTiming.NavigationToDOMContentLoadedEventFired"
units="ms">
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