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

Issue 2665243003: add a download slices table into history download db (Closed)
Patch Set: add test file to BUILD.gn Created 3 years, 10 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 0191421e4b958b9179ac332b3845e25fcb9c0c31..3e22e3b83a90afb3e41ed5f9d837d0ed0fe0895f 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -12583,6 +12583,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
<summary>Time taken to update a single download in the history DB.</summary>
</histogram>
+<histogram name="Download.DatabaseDownloadExistsForDownloadSlice"
+ units="Boolean">
+ <owner>qinmin@chromium.org</owner>
+ <summary>
+ Whether a download can be found for a download slice in the DB. This
+ histogram is recorded for each download slice row every time the database is
+ loaded.
+ </summary>
+</histogram>
+
<histogram name="Download.DatabaseRecordDropped"
enum="DownloadDatabaseRecordDroppedType">
<owner>asanka@chromium.org</owner>
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