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

Issue 1987013002: Add UMA to track time between preload discovery and reference (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@preload_timing_uma
Patch Set: Include preloads generated by LinkLoader Created 4 years, 7 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 0028b41af8b60fa8c484aecd8de6a71235abd1d5..5649bbc1710426f0837e4abaecf1fdc417b06964 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -40657,6 +40657,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="PreloadScanner.ReferenceTime" units="ms">
+ <owner>csharrison@chromium.org</owner>
+ <summary>
+ The time between preload discovery and when the resource is actually
+ referenced.
+ </summary>
+</histogram>
+
<histogram name="Prerender.AbandonTimeUntilUsed" units="ms">
<owner>davidben@chromium.org</owner>
<owner>pasko@chromium.org</owner>
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