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

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Issue 1768363002: Add histogram to track Mojo shell / renderer connection init (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 9 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 4a54f4ac4dd6aba86ed89d1ec86da597adb46b52..b24662c66e9d4777ffeb8078c1f256c0b3cbc731 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -21933,6 +21933,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram name="Mojo.Shell.RenderProcessInitializationTime" units="ms">
+ <owner>rockot@chromium.org</owner>
+ <summary>
+ Measures the time it takes for a new render process to receive an
+ initialization request from the Mojo shell. This is precisely the duration
+ of the MojoShellConnectionImpl::Create() call in RendererMain.
+ </summary>
+</histogram>
+
<histogram name="Mojo.System.Node.ConnectedPeers">
<owner>rockot@chromium.org</owner>
<summary>
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