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

Issue 1134353003: Add UMA for disk latency for cache accesses. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@AddUMA
Patch Set: Switched to ElapsedTimer. 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 97a44654c9f08b5acfb367d295ef7c6252228b20..7f992b0150e9dddef8b216745a14412f0d0f783b 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -37231,6 +37231,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
</summary>
</histogram>
+<histogram name="SimpleCache.DiskOpenLatency" units="milliseconds">
+ <owner>rdsmith@chromium.org</owner>
+ <summary>
+ The time to access (open and read headers from all files) the cache entry on
+ disk.
+ </summary>
+</histogram>
+
<histogram name="SimpleCache.EntryCreationResult" enum="BooleanSuccess">
<obsolete>
Deprecated 2013-08 in favor of cache type specific version (App or Http).
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