1611144 - 4.58 - 10.6% raptor-motionmark-htmlsuite-firefox / raptor-tp6-google-mail-firefox-cold (windows7-32-shippable) regression on push b371f612cd60dce156d732f32a50a48eded9d3ab (Wed January 22 2020)

Status: RESOLVED FIXED

(Core :: Graphics: ImageLib, defect)

Description

[Florin Strugariu [:Bebe]]

Raptor has detected a Firefox performance regression from push:

https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=b371f612cd60dce156d732f32a50a48eded9d3ab

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

Regressions:

11% raptor-motionmark-htmlsuite-firefox windows7-32-shippable opt 32.20 -> 28.79
10% raptor-motionmark-htmlsuite-firefox windows7-32-shippable opt 32.13 -> 28.78
5% raptor-tp6-google-mail-firefox-cold windows7-32-shippable opt 267.56 -> 279.82

You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=24783

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: https://wiki.mozilla.org/TestEngineering/Performance/Raptor

*** 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: https://wiki.mozilla.org/TestEngineering/Performance/Talos/RegressionBugsHandling

Comment 1

[Andrew Osmond [:aosmond] (he/him)]

This was fixed by the backout of bug 1604535.