tools/metrics/histograms/histograms.xml - Issue 1973073005: Log histograms for preloads and preload misses

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

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Issue 1973073005: Log histograms for preloads and preload misses (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: kouhei@ review + updated histograms per yoav@ 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 7734ffeaccfaf8639f65c1d822fb7ceab9899318..b232c95252b32fc353b093b92b1523ce9232c1eb 100644

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

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

@@ -40607,6 +40607,21 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

<summary>The amount of time that elapsed during CreateProfilePrefs.</summary>

</histogram>

+<histogram name="PreloadScanner.Counts" units="preloads">

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

+ <summary>The number of preloads generated by the preload scanner.</summary>

+</histogram>

+<histogram name="PreloadScanner.Counts.Miss" units="preloads">

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

+ <summary>

+ The number of unused preloads generated by the preload scanner. Note that

+ some link rel preloads are not referenced until after this point, so they

+ will be falsely marked as preload misses. These will show up in the Raw

+ bucket.

+ </summary>

+</histogram>

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

@@ -94521,6 +94536,8 @@ To add a new entry, add it with any value and run test to compute valid value.

<affected-histogram name="Blink.MemoryCache.RevalidationPolicy"/>

<affected-histogram name="Blink.MemoryCache.RevalidationPolicy.Dead"/>

<affected-histogram name="Blink.MemoryCache.RevalidationPolicy.Preload"/>

+ <affected-histogram name="PreloadScanner.Counts"/>

+ <affected-histogram name="PreloadScanner.Counts.Miss"/>

</histogram_suffixes>

<histogram_suffixes name="SafeBrowsingLists" separator=".">

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