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

Issue 1492033002: Add UMA histogram for the number of SiteInstances per BrowsingInstance. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fixes based on Scott's review. Created 5 years 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 027d093ef90dca8a7fb0c3fbd8cea40d95faee41..d8b1ac445093e3a281f20d6dcb503272590cc969 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -44892,6 +44892,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="SiteIsolation.SiteInstancesPerBrowsingInstance">
+ <owner>nasko@chromium.org</owner>
+ <summary>
+ The count of SiteInstances in a single BrowsingInstance. Recorded once per
+ UMA ping.
+ </summary>
+</histogram>
+
<histogram name="SiteIsolation.XSD.DataLength" units="byte">
<owner>creis@chromium.org</owner>
<summary>
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