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

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Issue 2268163002: Add sub-metrics for Event.Latency.TouchToFirstScrollUpdateSwapBegin (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: git cl try Created 4 years, 4 months ago
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« content/browser/renderer_host/input/render_widget_host_latency_tracker_unittest.cc ('K') | « content/browser/renderer_host/input/render_widget_host_latency_tracker_unittest.cc ('k') | ui/events/latency_info.dot » ('j') | no next file with comments »
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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 75f16fdd33e2dc9286685a4235553e439a553fba..d448c6f206a0ea8632b96cb26a459453bb5a9a37 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -13092,6 +13092,58 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram
+ name="Event.Latency.FirstScrollUpdate.BrowserNotifiedToBeforeGpuSwap"
+ units="microseconds">
+ <owner>rbyers@chromium.org</owner>
+ <summary>
+ Time between the browser receives the notification of a ScrollUpdate gesture
+ event induced renderer swap and GPU starts to swap if that ScrollUpdate is
+ the first such in a given scroll gesture event sequence.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.FirstScrollUpdate.GpuSwap" units="microseconds">
+ <owner>rbyers@chromium.org</owner>
+ <summary>
+ Time between gpu starts to swap a ScrollUpdate gesture event induced frame
+ and the swap finishes if that ScrollUpdate is the first such in a given
+ scroll gesture event sequence.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.FirstScrollUpdate.HandledToRendererSwap"
+ units="microseconds">
+ <owner>rbyers@chromium.org</owner>
+ <summary>
+ Time between the ScrollUpdate gesture event is handled on main/impl thread
+ (specified by suffix) and before renderer starts to swap if that
+ ScrollUpdate is the first such in a given scroll gesture event sequence.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.FirstScrollUpdate.RendererSwapToBrowserNotified"
+ units="microseconds">
+ <owner>rbyers@chromium.org</owner>
+ <summary>
+ Time between the renderer starts to swap a frame induced by ScrollUpdate
+ gesture event and browser receives the swap notification if that
+ ScrollUpdate is the first such in a given scroll gesture event sequence.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.FirstScrollUpdate.TouchToHandled"
+ units="microseconds">
+ <owner>rbyers@chromium.org</owner>
+ <summary>
+ Time between initial creation of a touch event and the generated
+ ScrollUpdate gesture event is handled on main/impl thread (specified by
+ suffix) if that ScrollUpdate is the first such in a given scroll gesture
+ event sequence. If no swap was induced by the ScrollUpdate gesture event, no
+ recording is made.
+ </summary>
+</histogram>
+
<histogram name="Event.Latency.HitTest" units="microseconds">
<owner>dtapuska@chromium.org</owner>
<summary>
« content/browser/renderer_host/input/render_widget_host_latency_tracker_unittest.cc ('K') | « content/browser/renderer_host/input/render_widget_host_latency_tracker_unittest.cc ('k') | ui/events/latency_info.dot » ('j') | no next file with comments »

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