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

Issue 149073003: Add a Settings.FilterOnLoadTime histogram to observe time spent on this critical path in the wild. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: also add Settings.FilterSerializeDataTime 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 1d9dc9af82964dd8d39f251afee8ca3a6454c17e..2fb5aa93c3f63caf707d9323f23b2b1bfe14ebb2 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -17127,6 +17127,19 @@ other types of suffix sets.
</summary>
</histogram>
+<histogram name="Settings.FilterOnLoadTime" units="milliseconds">
+ <summary>
+ The amount of time it took to run PrefHashFilter::FilterOnLoad on startup.
+ </summary>
+</histogram>
+
+<histogram name="Settings.FilterSerializeDataTime" units="milliseconds">
+ <summary>
+ The amount of time it took to run PrefHashFilter::FilterSerializeData on the
+ UI thread prior to writing the Preferences file to disk.
+ </summary>
+</histogram>
+
<histogram name="Settings.GivenShowHomeButton_HomePageIsNewTabPage"
enum="Boolean">
<summary>
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