1641534 - 2% raptor-tp6-yahoo-mail-firefox-cold fcp (linux64-shippable-qr) regression on push 3afdf3a5bec4902b80f5e67d93ca9f7f9f12edbd (May 22 2020)

Status: RESOLVED WONTFIX

(Core :: Graphics: WebRender, defect, P3)

Description

[Florin Strugariu [:Bebe]]

Perfherder has detected a raptor performance regression from push 3afdf3a5bec4902b80f5e67d93ca9f7f9f12edbd. As author of one of the patches included in that push, we need your help to address this regression.

Regressions:
2% raptor-tp6-yahoo-mail-firefox-cold fcp linux64-shippable-qr opt 324.79 -> 332.75
2% raptor-tp6-yahoo-mail-firefox-cold fcp linux64-shippable-qr opt 325.00 -> 332.92

For up to date results, see: https://treeherder.mozilla.org/perf.html#/alerts?id=26085

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) will be backed out in accordance with our regression policy.

For more information on performance sheriffing please see our FAQ.

Comment 1

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

Set release status flags based on info from the regressing bug 1637953

Comment 2

[Glenn Watson [:gw]]

The regressions mentioned in the comment, and the linked perf alert match up with the same issue we saw in https://bugzilla.mozilla.org/show_bug.cgi?id=1640101#c5 (in which case we can close this).

However, they don't appear to correlate at all with the title of the bug? Is the bug title incorrect, or am I misunderstanding?

Comment 3

[Gian-Carlo Pascutto [:gcp]]

However, they don't appear to correlate at all with the title of the bug? Is the bug title incorrect, or am I misunderstanding?

The bug description was edited and the title no longer matches.

Comment 4

[Julien Cristau [:jcristau]]

(In reply to Glenn Watson [:gw] from comment #2)

The regressions mentioned in the comment, and the linked perf alert match up with the same issue we saw in https://bugzilla.mozilla.org/show_bug.cgi?id=1640101#c5 (in which case we can close this).

However, they don't appear to correlate at all with the title of the bug? Is the bug title incorrect, or am I misunderstanding?

Comment 5

[Florin Strugariu [:Bebe]]

This is my mistake sorry for the wrong bug title.
Updated