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

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Issue 455623003: stale-while-revalidate experimental implementation. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase. Created 6 years, 2 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 ce268d51dea99b3557bd019f1011bb8c0c5e1fbc..748204352536b984263d9375e5f469fc817d759c 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -9871,6 +9871,17 @@ Therefore, the affected-histogram name has to have at least one dot in it.
</summary>
</histogram>
+<histogram name="HttpCache.AsyncValidationDuration" units="milliseconds">
+ <owner>ricea@chromium.org</owner>
+ <summary>
+ The time spent performing an asynchronous revalidation that was triggered by
+ a Cache-Control: stale-while-revalidate directive. This is recorded when the
+ asynchronous revalidation completes, either after the response was
+ completely read or an error occurred. One entry is recorded for each
+ asynchronous revalidation that is performed.
+ </summary>
+</histogram>
+
<histogram name="HttpCache.EntryLockWait" units="milliseconds">
<owner>jkarlin@chromium.org</owner>
<summary>
@@ -45949,6 +45960,7 @@ To add a new entry, add it with any value and run test to compute valid value.
<int value="1723601083" label="enable-app-window-controls"/>
<int value="1730236697" label="force-device-scale-factor"/>
<int value="1747279677" label="disable-delegated-renderer"/>
+ <int value="1752168018" label="enable-stale-while-revalidate"/>
<int value="1775475563" label="malware-interstitial-v3"/>
<int value="1776475705" label="show-composited-layer-borders"/>
<int value="1783293530" label="disallow-autofill-sync-credential"/>
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