1596720 - 6.85% glterrain (windows10-64-shippable-qr) regression on push 49320c7fe8b3a547856dc67e7d57a64db6b56ffd (Mon November 11 2019)

Status: NEW

(Firefox :: Protections UI, defect, P3)

Description

[Florin Strugariu [:Bebe]]

Talos has detected a Firefox performance regression from push:

https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=49320c7fe8b3a547856dc67e7d57a64db6b56ffd

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

Regressions:

7% glterrain windows10-64-shippable-qr opt e10s stylo 1.01 -> 1.08

You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=23851

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 Talos jobs in a pushlog format.

To learn more about the regressing test(s), please see: https://wiki.mozilla.org/TestEngineering/Performance/Talos

For information on reproducing and debugging the regression, either on try or locally, see: https://wiki.mozilla.org/TestEngineering/Performance/Talos/Running

*** 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

[(inactive) Nihanth Subramanya [:nhnt11]]

Marking myself as the assignee for tracking. I can investigate this.

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

The priority flag is not set for this bug.
:ewright, could you have a look please?

For more information, please visit auto_nag documentation.

Comment 3

[(inactive) Nihanth Subramanya [:nhnt11]]

I've lost context on this.