Closed Bug 1592921 Opened 5 years ago Closed 5 years ago

3.73 - 5.4% raptor-tp6-imgur-firefox / raptor-tp6-imgur-firefox fcp / raptor-tp6-imgur-firefox loadtime (linux64-shippable-qr) regression on push 1bbcb17120eb305e78bd3be7807440b8f436ee6c (Sat October 26 2019)


(Toolkit :: Video/Audio Controls, defect, P2)






(Reporter: Bebe, Unassigned)




(Keywords: perf, perf-alert, regression)

Raptor has detected a Firefox performance regression from push:

As author of one of the patches included in that push, we need your help to address this regression.


5% raptor-tp6-imgur-firefox linux64-shippable-qr opt 291.86 -> 307.62
5% raptor-tp6-imgur-firefox fcp linux64-shippable-qr opt 281.75 -> 296.83
5% raptor-tp6-imgur-firefox linux64-shippable-qr opt 291.80 -> 306.61
4% raptor-tp6-imgur-firefox loadtime linux64-shippable-qr opt 408.56 -> 423.79


38% raptor-tp6m-cnn-geckoview-cold loadtime android-hw-g5-7-0-arm7-api-16 pgo 14,550.25 -> 8,994.58
10% raptor-tp6m-cnn-geckoview-cold android-hw-g5-7-0-arm7-api-16 pgo 4,624.51 -> 4,148.08

You can find links to graphs and comparison views for each of the above tests at:

On the page above you can see an alert for each affected platform as well as a link to a graph showing the history of scores for this test. There is also a link to a Treeherder page showing the Raptor jobs in a pushlog format.

To learn more about the regressing test(s) or reproducing them, please see:

*** Please let us know your plans within 3 business days, or the offending patch(es) will be backed out! ***

Our wiki page outlines the common responses and expectations:

Blocks: 1592626
Flags: needinfo?(mconley)
Regressed by: 1591227
Component: Performance → Video/Audio Controls
Product: Testing → Toolkit
Version: Version 3 → unspecified

*** Please let us know your plans within 3 business days, or the offending patch(es) will be backed out! ***

The feature that was enabled is Nightly-only for now. Please do not back me out.

Blocks: 1532675
Flags: needinfo?(mconley)
Priority: -- → P2
Closed: 5 years ago
Resolution: --- → WORKSFORME
Has Regression Range: --- → yes
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