tools/metrics/histograms/histograms.xml - Issue 1093923002: Track input latency for both begin and end of GPU swap in UMAs

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

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Issue 1093923002: Track input latency for both begin and end of GPU swap in UMAs (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: rebase Created 5 years, 7 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 784843737e613e7d0e3bb02a7790819a225811fb..fd07f8a2f47db736513d0a8d0ee88e3247371758 100644

--- a/tools/metrics/histograms/histograms.xml

+++ b/tools/metrics/histograms/histograms.xml

@@ -8140,6 +8140,10 @@ Therefore, the affected-histogram name has to have at least one dot in it.

<histogram name="Event.Latency.TouchToFirstScrollUpdateSwap"

units="microseconds">

<owner>rbyers@chromium.org</owner>

+ <obsolete>

+ Replaced by Event.Latency.TouchToFirstScrollUpdateSwapBegin.

+ crbug.com/478845

+ </obsolete>

Time between initial creation of a touch event and the frame swap caused by

by the generated ScrollUpdate gesture event if that ScrollUpdate is the

@@ -8148,8 +8152,22 @@ Therefore, the affected-histogram name has to have at least one dot in it.

</summary>

</histogram>

+<histogram name="Event.Latency.TouchToFirstScrollUpdateSwapBegin"

+ units="microseconds">

+ <owner>rbyers@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>

<owner>rbyers@chromium.org</owner>

+ <obsolete>

+ Replaced by Event.Latency.TouchToScrollUpdateSwapBegin. crbug.com/478845

+ </obsolete>

Time between initial creation of a touch event and the frame swap caused by

by the generated ScrollUpdate gesture event. If no swap was induced by the

@@ -8157,6 +8175,16 @@ Therefore, the affected-histogram name has to have at least one dot in it.

</summary>

</histogram>

+<histogram name="Event.Latency.TouchToScrollUpdateSwapBegin"

+ units="microseconds">

+ <owner>rbyers@chromium.org</owner>

+ <summary>

+ Time between initial creation of a touch event and start of the frame swap

+ on the GPU service caused by the generated ScrollUpdate gesture event. If no

+ swap was induced by the event, no recording is made.

+ </summary>

+</histogram>

<owner>rbyers@chromium.org</owner>

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