1836467 - 32.58 - 2.23% tp5o responsiveness / startup_about_home_paint_realworld_webextensions + 6 more (Linux, Windows) regression on Mon May 29 2023

Status: RESOLVED FIXED

(Firefox :: Translations, defect, P2)

Description

[Alex Finder]

Perfherder has detected a talos performance regression from push 8e03224a019c674d3b61c734ae819e8557cef17f. As author of one of the patches included in that push, we need your help to address this regression.

Regressions:

Ratio	Test	Platform	Options	Absolute values (old vs new)
33%	tp5o responsiveness	windows10-64-shippable-qr	e10s fission stylo webrender-sw	0.82 -> 1.09
25%	tp5o responsiveness	windows10-64-shippable-qr	e10s fission stylo webrender	0.89 -> 1.11
18%	tp5o_webext responsiveness	linux1804-64-shippable-qr	e10s fission stylo webrender	3.69 -> 4.36
17%	tp5o responsiveness	linux1804-64-shippable-qr	e10s fission stylo webrender	2.99 -> 3.52
17%	tp5o_webext responsiveness	linux1804-64-shippable-qr	e10s fission stylo webrender-sw	3.48 -> 4.06
14%	tp5o responsiveness	linux1804-64-shippable-qr	e10s fission stylo webrender-sw	2.87 -> 3.27
13%	tp5o responsiveness	linux1804-64-shippable-qr	e10s fission stylo webrender	3.01 -> 3.38
2%	startup_about_home_paint_realworld_webextensions	windows10-64-shippable-qr	e10s fission stylo webrender	659.79 -> 674.50

Details of the alert can be found in the alert summary, including links to graphs and comparisons for each of the affected tests. Please follow our guide to handling regression bugs and let us know your plans within 3 business days, or the offending patch(es) may be backed out in accordance with our regression policy.

If you need the profiling jobs you can trigger them yourself from treeherder job view or ask a sheriff to do that for you.

For more information on performance sheriffing please see our FAQ.

Comment 1

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

The severity field is not set for this bug.
:nordzilla, could you have a look please?

For more information, please visit BugBot documentation.

Comment 2

[Marco Castelluccio [:marco]]

Marking this as S2 because the regression was large, even though it's probably fixed now.

Comment 3

[Marco Castelluccio [:marco]]

This should have been fixed by recent work. Let's close it and file any potential new regression in a new bug.