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

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Issue 2795463002: Add histograms to track issues with JavaScript array buffers. (Closed)
Patch Set: Fix array buffer allocations to megabytes. Created 3 years, 8 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 a08a797caadefaa69ebfc2739e4bfd0fda291e82..04fa802fdb2d8af5b2a42483923ef55f6bfb1127 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -75250,6 +75250,20 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="V8.ArrayBufferBigAllocations" units="MB">
+ <owner>bradnelson@chromium.org</owner>
+ <owner>titzer@chromium.org</owner>
+ <owner>kschimpf@chromium.org</owner>
+ <summary>Number of bytes requested in an array buffer allocation.</summary>
+</histogram>
+
+<histogram name="V8.ArrayBufferNewSizeFailures" units="MB">
+ <owner>bradnelson@chromium.org</owner>
+ <owner>titzer@chromium.org</owner>
+ <owner>kschimpf@chromium.org</owner>
+ <summary>Array buffer sizes for which V8 failed to allocate memory.</summary>
+</histogram>
+
<histogram name="V8.AsmWasmTranslationMicroSeconds" units="microseconds">
<owner>bradnelson@chromium.org</owner>
<owner>titzer@chromium.org</owner>
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