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

Issue 2268163002: Add sub-metrics for Event.Latency.TouchToFirstScrollUpdateSwapBegin (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: submetric Created 4 years, 1 month 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 5f127885cb7c1c36733800e680c138f6f2e724f3..2b1e8cc1a20e683c61fbc5096fc12855e4f82a03 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -14082,6 +14082,132 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
</summary>
</histogram>
+<histogram
+ name="Event.Latency.ScrollBegin.Touch.BrowserNotifiedToBeforeGpuSwap2"
+ units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between the browser receives the notification of the first ScrollUpdate
+ gesture event in a given scroll gesture event sequence with touch source
+ induced renderer swap and GPU starts to swap.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.ScrollBegin.Touch.GpuSwap2" units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between gpu starts to swap the first ScrollUpdate gesture event in a
+ given scroll gesture event sequence with touch source induced frame and the
+ swap finishes.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.ScrollBegin.Touch.HandledToRendererSwap2"
+ units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between the first ScrollUpdate gesture event in a given scroll gesture
+ event sequence with touch source, is handled on main/impl thread (specified
+ by suffix) and before renderer starts to swap.
+ </summary>
+</histogram>
+
+<histogram
+ name="Event.Latency.ScrollBegin.Touch.RendererSwapToBrowserNotified2"
+ units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between the renderer starts to swap a frame induced by the first
+ ScrollUpdate gesture event in a given scroll gesture event sequence with
+ touch source, and browser receives the swap notification.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.ScrollBegin.Touch.TimeToHandled2"
+ units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between initial creation of a touch event and the first generated
+ ScrollUpdate gesture event in a given scroll gesture event sequence is
+ handled on main/impl thread (specified by suffix). If no swap was induced by
+ the ScrollUpdate gesture event, no recording is made.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.ScrollBegin.Touch.TimeToScrollUpdateSwapBegin2"
+ units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between initial creation of a touch event and the start of the frame
+ swap on the GPU service caused by the generated ScrollUpdate gesture event
+ if that ScrollUpdate is the first such event in a given scroll gesture event
+ sequence. If no swap was induced by the event, no recording is made.
+ </summary>
+</histogram>
+
+<histogram
+ name="Event.Latency.ScrollBegin.Wheel.BrowserNotifiedToBeforeGpuSwap2"
+ units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between the browser receives the notification of the first ScrollUpdate
+ gesture event in a given scroll gesture event sequence with wheel source
+ induced renderer swap and GPU starts to swap.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.ScrollBegin.Wheel.GpuSwap2" units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between gpu starts to swap the first ScrollUpdate gesture event in a
+ given scroll gesture event sequence with wheel source induced frame and the
+ swap finishes.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.ScrollBegin.Wheel.HandledToRendererSwap2"
+ units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between the first ScrollUpdate gesture event in a given scroll gesture
+ event sequence with wheel source, is handled on main/impl thread (specified
+ by suffix) and before renderer starts to swap.
+ </summary>
+</histogram>
+
+<histogram
+ name="Event.Latency.ScrollBegin.Wheel.RendererSwapToBrowserNotified2"
+ units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between the renderer starts to swap a frame induced by the first
+ ScrollUpdate gesture event in a given scroll gesture event sequence with
+ wheel source, and browser receives the swap notification.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.ScrollBegin.Wheel.TimeToHandled2"
+ units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between initial creation of a wheel event and the first generated
+ ScrollUpdate gesture event in a given scroll gesture event sequence is
+ handled on main/impl thread (specified by suffix). If no swap was induced by
+ the ScrollBegin gesture event, no recording is made.
+ </summary>
+</histogram>
+
+<histogram name="Event.Latency.ScrollBegin.Wheel.TimeToScrollUpdateSwapBegin2"
+ units="microseconds">
+ <owner>tdresser@chromium.org</owner>
+ <summary>
+ Time between initial creation of a wheel event and the start of the frame
+ swap on the GPU service caused by the generated ScrollUpdate gesture event
+ if that ScrollUpdate is the first such event in a given scroll gesture event
+ sequence. If no swap was induced by the event, no recording is made.
+ </summary>
+</histogram>
+
<histogram name="Event.Latency.ScrollUpdate.BrowserNotifiedToBeforeGpuSwap"
units="microseconds">
<obsolete>
@@ -14179,6 +14305,11 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
<histogram
name="Event.Latency.ScrollUpdate.Touch.TimeToFirstScrollUpdateSwapBegin2"
units="microseconds">
+ <obsolete>
+ To be replaced by
+ Event.Latency.ScrollBegin.Touch.TimeToScrollUpdateSwapBegin2 in M57.
+ https://crbug.com/616482
+ </obsolete>
<owner>tdresser@chromium.org</owner>
<summary>
Time between initial creation of a touch event and the start of the frame
@@ -14265,6 +14396,11 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
<histogram
name="Event.Latency.ScrollUpdate.Wheel.TimeToFirstScrollUpdateSwapBegin2"
units="microseconds">
+ <obsolete>
+ To be replaced by
+ Event.Latency.ScrollBegin.Wheel.TimeToScrollUpdateSwapBegin2 in M57.
+ https://crbug.com/616482
+ </obsolete>
<owner>tdresser@chromium.org</owner>
<summary>
Time between initial creation of a wheel event and the start of the frame
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