tools/metrics/histograms/histograms.xml - Issue 2839333002: Record the TaskLatency Histogram in Microseconds Instead of Milliseconds

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

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Issue 2839333002: Record the TaskLatency Histogram in Microseconds Instead of Milliseconds (Closed)

Patch Set: CR Feedback Created 3 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 d476b29069e83525241378e66c58b9d231e3693f..95e4510532c063fb05462b3fc64af050a3dd00fd 100644

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

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

@@ -74300,7 +74300,21 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.

</summary>

</histogram>

-<histogram name="TaskScheduler.TaskLatency" units="ms">

+<histogram base="true" name="TaskScheduler.TaskLatency" units="ms">

+ <obsolete>

+ Deprecated 4/2017. Units changed from milliseconds to microseconds.

+ </obsolete>

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

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

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

+ <summary>

+ Time elapsed between when a task is posted and when it starts to run.

+ Recorded for each task that runs inside the TaskScheduler.

+ </summary>

+</histogram>

+<histogram base="true" name="TaskScheduler.TaskLatencyMicroseconds"

+ units="microseconds">

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

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

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

@@ -127429,6 +127443,12 @@ from previous Chrome versions.

<affected-histogram

name="TaskScheduler.TaskLatency.UserBlockingTaskPriority"/>

<affected-histogram name="TaskScheduler.TaskLatency.UserVisibleTaskPriority"/>

+ <affected-histogram

+ name="TaskScheduler.TaskLatencyMicroseconds.BackgroundTaskPriority"/>

+ <affected-histogram

+ name="TaskScheduler.TaskLatencyMicroseconds.UserBlockingTaskPriority"/>

+ <affected-histogram

+ name="TaskScheduler.TaskLatencyMicroseconds.UserVisibleTaskPriority"/>

</histogram_suffixes>

<histogram_suffixes name="TaskSchedulerTaskPriority" separator=".">

@@ -127459,6 +127479,7 @@ from previous Chrome versions.

Deprecated 12/2016. Pool name removed from task latency histogram name.

</obsolete>

</affected-histogram>

+ <affected-histogram name="TaskScheduler.TaskLatencyMicroseconds"/>

</histogram_suffixes>

<histogram_suffixes name="TaskSchedulerWorkerPool" separator=".">

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