tools/metrics/histograms/histograms.xml - Issue 2005753004: Record the number of freshness periods since a stale HttpCache entry was last used

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

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Issue 2005753004: Record the number of freshness periods since a stale HttpCache entry was last used (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: DCHECKs Created 4 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 3b0b4b595c240e49c2e02e834c2d66e5a0b24105..2baf58f77a7ec16c764e759d0627482a7fe1b902 100644

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

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

@@ -17734,6 +17734,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<summary>Net error results from restartable cache read errors.</summary>

</histogram>

+<histogram name="HttpCache.StaleEntry.FreshnessPeriodsSinceLastUsed">

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

+ <summary>

+ For each http cache transaction for which a cache entry exists but it cannot

+ be used because the entry's age is beyond its freshness: counts how many

+ freshness periods have elapsed since the entry was last used (x1000).

rkaplow 2016/05/24 17:43:25 I'm a bit confused by the unitng (ex. the x1000 me

jkarlin 2016/05/24 17:57:40 See the comment in the cc file.

+ </summary>

+</histogram>

<owner>jkarlin@chromium.org</owner>

<summary>For each validation attempt, the cause for the validation.</summary>

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