tools/metrics/histograms/histograms.xml - Issue 2625063002: predictors: Add ResourcePrefetchPredictor database readiness histogram.

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

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Issue 2625063002: predictors: Add ResourcePrefetchPredictor database readiness histogram. (Closed)

Patch Set: Add comments. Created 3 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 8a133ee1a9f3079e510354276b699b4701a5ce6e..e20c58fbab610ddceb9eb975f290d3681ca5d54a 100644

--- a/tools/metrics/histograms/histograms.xml

+++ b/tools/metrics/histograms/histograms.xml

@@ -53228,6 +53228,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</summary>

</histogram>

+<histogram name="ResourcePrefetchPredictor.DatabaseReadiness">

Benoit L 2017/01/12 15:34:55 nit: Since the reported value is a percentage, add

+ <owner>alexilin@chromium.org</owner>

+ <summary>

+ An age metric is introduced to show that the predictor database is large

+ enough. Defined as percentage of navigated hosts found in the predictor DB

+ for last X entries in history, sampled with some probability on each

Benoit L 2017/01/12 15:34:55 nit: Please add that this metric is only gathered

+ navigation to emit.

+ </summary>

+</histogram>

Deprecated October 2016. No longer recorded.

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