1548442 - 12.18 - 46.72% raptor-tp6m-bing-geckoview fcp / raptor-tp6m-bing-geckoview loadtime / raptor-tp6m-bing-restaurants-geckoview / raptor-tp6m-bing-restaurants-geckoview fcp / raptor-tp6m-bing-restaurants (Wed May 1 2019)

Status: RESOLVED DUPLICATE of bug 1548449

(Core :: CSS Parsing and Computation, defect)

Description

[Arthur Iakab [arthur_iakab]]

Raptor has detected a Firefox performance regression from push:

https://hg.mozilla.org/integration/autoland/rev/5df5f0db2284956f3afe587cc931d471051d8700

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

Regressions:

47% raptor-tp6m-bing-restaurants-geckoview loadtime android-hw-p2-8-0-android-aarch64 opt 161.42 -> 236.83
46% raptor-tp6m-bing-restaurants-geckoview fcp android-hw-p2-8-0-android-aarch64 opt 163.25 -> 238.38
34% raptor-tp6m-bing-restaurants-geckoview android-hw-p2-8-0-android-aarch64 opt 142.03 -> 190.26
29% raptor-tp6m-bing-geckoview loadtime android-hw-p2-8-0-android-aarch64 opt 100.19 -> 129.12
12% raptor-tp6m-bing-geckoview fcp android-hw-p2-8-0-android-aarch64 opt 123.02 -> 138.00

You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=20744

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/Performance_sheriffing/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/Performance_sheriffing/Talos/RegressionBugsHandling

Comment 1

[Emilio Cobos Álvarez (:emilio)]

This is basically the same regression as bug 1548449 (on the bing test), let's track them in the same place.