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

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Issue 2039743003: Introduce ServiceWorker.ActivatedWorkerPreparationForMainFrame.Time UMA. (Closed) Base URL:
Patch Set: incorporated falken's comment Created 4 years, 6 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 28d90ca0cba04971f8185933e98c46b9baf60fd6..087d4ccd34b47455a828f445a50c350f13d09e32 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -49554,6 +49554,21 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
+<histogram name="ServiceWorker.ActivatedWorkerPreparationForMainFrame.Time"
+ units="ms">
+ <owner></owner>
+ <summary>
+ The time taken to find a Service Worker registration and wait for a worker
+ started to send a FetchEvent request for a main frame HTML file. The
+ measurement starts when the browser process recieves the request and ends
+ when it finds a running worker or it successfully starts a worker. The
+ metric is not recorded unless the worker was already activated to avoid
+ including the time for the activation. The metric is not recorded if the
+ worker was started for the fetch and DevTools was ever attached to the
falken 2016/06/07 06:20:30 Sorry I don't understand what "is not recorded if
horo 2016/06/07 06:58:48 Updated the summary.
+ worker during the startup. NTP is excluded from this metric.
+ </summary>
<histogram name="ServiceWorker.ActivateEvent.Time" units="ms">
@@ -97058,6 +97073,17 @@ To add a new entry, add it with any value and run test to compute valid value.
<affected-histogram name="ServiceWorker.StartWorker.Time"/>
+<histogram_suffixes name="ServiceWorker.WorkerPreparationMode">
+ <suffix name="StartWorkerDuringStartup" label="StartWorkerDuringStartup"/>
+ <suffix name="StartWorkerNewProcess" label="StartWorkerNewProcess"/>
+ <suffix name="StartWorkerExistingProcess" label="StartWorkerExistingProcess"/>
+ <suffix name="StartingWorker" label="StartingWorker"/>
+ <suffix name="RunningWorker" label="RunningWorker"/>
+ <suffix name="StoppingWorker" label="StoppingWorker"/>
+ <affected-histogram
+ name="ServiceWorker.ActivatedWorkerPreparationForMainFrame.Time"/>
<histogram_suffixes name="ServiceWorkerCache.Cache" separator=".">
<suffix name="Batch"
label="The time to perform the 'batch' operation on a ServiceWorker

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