Index: tools/metrics/histograms/histograms.xml |
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml |
index 3862a2a74878c1b5548e0c7d4fd1ea39742e0ae0..045ba151138dab2cc74f0960c7b84ca5f69bbe06 100644 |
--- a/tools/metrics/histograms/histograms.xml |
+++ b/tools/metrics/histograms/histograms.xml |
@@ -58909,11 +58909,24 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries. |
<owner>altimin@chromium.org,alexclarke@chromium.org</owner> |
<summary> |
The number of completed renderer tasks split per task queue type. Used to |
- monitor usage of each type of task queues. Reported each time when task is |
+ monitor usage of each type of task queue. Reported each time when task is |
completed. |
</summary> |
</histogram> |
+<histogram name="RendererScheduler.TaskDurationPerQueueType" |
+ enum="RendererSchedulerTaskQueueType" units="ms"> |
+ <owner>altimin@chromium.org,alexclarke@chromium.org</owner> |
+ <summary> |
+ Total duration of renderer tasks split per task queue type. Used to monitor |
+ usage of each type of task queues. Reported each time when task is completed |
+ and current accumulated duration is longer than 1ms. |
+ |
+ This metric is susceptible to problematic outliers and should be analyzed |
+ with custom scripts accounting for that rather than from a dashboard. |
+ </summary> |
+</histogram> |
+ |
<histogram name="RendererScheduler.TaskQueueManager.DelayedTaskLateness" |
units="ms"> |
<owner>alexclarke@chromium.org</owner> |