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

Issue 1133853007: Add UMA to record the ratio of how many fetch events are not handled (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: addressed comments Created 5 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 7b9a8b8244d6a899d87c9db17d5a47fedf77b5f8..049438febb44f8362d1ff726749391321be6186b 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -36037,6 +36037,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
</summary>
</histogram>
+<histogram name="ServiceWorker.UnhandledEventRatio" units="percent">
+ <owner>kinuko@chromium.org</owner>
+ <summary>
+ Records the ratio of unhandled events to all events that are dispatched to
+ each ServiceWorker. Recorded when each ServiceWorkerVersion is destructed.
+ </summary>
+</histogram>
+
<histogram name="ServiceWorkerCache.Cache" units="milliseconds">
<owner>dmurph@chromium.org</owner>
<summary>
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