UMA: Add V8.GCMarkCompactor histogram
V8 CL: http://crrev.com/c/1256764
Bug: 843903
Change-Id: I347a507cb25ae86d911ca3863ae79efb57cf2f1d
Reviewed-on: https://chromium-review.googlesource.com/c/1286147
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#600573}diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index d122190..7848a9c 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -114335,6 +114335,14 @@
<summary>Time spent in LowMemoryNotifications.</summary>
</histogram>
+<histogram name="V8.GCMarkCompactor" units="ms">
+ <owner>mlippautz@chromium.org</owner>
+ <summary>
+ Sum of all durations of individual phases within one V8 mark-compact garbage
+ collection. Reported once per garbage collection.
+ </summary>
+</histogram>
+
<histogram name="V8.GCMarkCompactReason" enum="GarbageCollectionReason">
<owner>ulan@chromium.org</owner>
<summary>Reason a mark-compact garbage collection was started in V8.</summary>
