Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(371)

Issues Search
    My Issues | Starred     Open | Closed | All

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

Side-by-side diff isn't available for this file because of its large size.
Issue 631353002: Add 4 Variations.SeedDateSkew.* histograms to analyze whether the system clock or the build time co… (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@2171
Patch Set: Created 6 years, 2 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
Download patch
« no previous file with comments | « chrome/browser/metrics/variations/variations_service.cc ('k') | no next file » | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index bd4077f5978e5e7096dcd2a8cd130e60d6bd7a57..8227d62b88ebb30c45ddb8710556426ec033e936 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -36712,6 +36712,46 @@ Therefore, the affected-histogram name has to have at least one dot in it.
</summary>
</histogram>
+<histogram name="Variations.SeedDateSkew.BuildTimeAheadBy" units="days">
+ <owner>gab@chromium.org</owner>
+ <summary>
+ Logged on startup when creating field trials from the variations seed if the
+ build time is ahead of or within 24 hours of the kVariationsSeedDate. Used
+ as an experiment to see whether the build time could be used to discard very
+ old seeds.
+ </summary>
+</histogram>
+
+<histogram name="Variations.SeedDateSkew.BuildTimeBehindBy" units="days">
+ <owner>gab@chromium.org</owner>
+ <summary>
+ Logged on startup when creating field trials from the variations seed if the
+ build time is behind the kVariationsSeedDate by a day or more. Used as an
+ experiment to see whether the build time could be used to discard very old
+ seeds.
+ </summary>
+</histogram>
+
+<histogram name="Variations.SeedDateSkew.SystemClockAheadBy" units="days">
+ <owner>gab@chromium.org</owner>
+ <summary>
+ Logged on startup when creating field trials from the variations seed if the
+ system clock is ahead of or within 24 hours of the kVariationsSeedDate. Used
+ as an experiment to see whether the system clock could be used to discard
+ very old seeds.
+ </summary>
+</histogram>
+
+<histogram name="Variations.SeedDateSkew.SystemClockBehindBy" units="days">
+ <owner>gab@chromium.org</owner>
+ <summary>
+ Logged on startup when creating field trials from the variations seed if the
+ system clock is behind the kVariationsSeedDate by a day or more. Used as an
+ experiment to see whether the system clock could be used to discard very old
+ seeds.
+ </summary>
+</histogram>
+
<histogram name="Variations.SeedEmpty" enum="VariationsSeedEmpty">
<owner>asvitkine@chromium.org</owner>
<summary>
« no previous file with comments | « chrome/browser/metrics/variations/variations_service.cc ('k') | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698