Closed Bug 1851576 Opened 2 years ago Closed 2 years ago

3.36% google-docs PerceptualSpeedIndex (OSX) regression on Thu August 31 2023

Categories

(Core :: Graphics: Text, defect, P2)

Product:
Core
Component:
Graphics: Text
Type:
defect

Tracking

()

Status:
RESOLVED WONTFIX
Tracking Flags:
Tracking Status
firefox-esr102 --- unaffected
firefox-esr115 --- unaffected
firefox117 --- unaffected
firefox118 --- unaffected
firefox119 + wontfix

People

(Reporter: aesanu, Unassigned)

References

(Regression)

Details

(Keywords: perf, perf-alert, regression)

Perfherder has detected a browsertime performance regression from push 42ff0ef2bc5dc19a26e4ed7050f383575f3b5785. 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) Performance Profiles
8% google-docs ContentfulSpeedIndex macosx1015-64-shippable-qr fission warm webrender 865.82 -> 937.40 Before/After
7% google-docs ContentfulSpeedIndex macosx1015-64-shippable-qr cold fission webrender 1,187.12 -> 1,265.64 Before/After
3% google-docs PerceptualSpeedIndex macosx1015-64-shippable-qr fission warm webrender 745.74 -> 770.78 Before/After

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.

Flags: needinfo?(jfkthame)

Set release status flags based on info from the regressing bug 1170986

status-firefox117: --- → unaffected
status-firefox118: --- → unaffected
status-firefox119: --- → affected
status-firefox-esr102: --- → unaffected
status-firefox-esr115: --- → unaffected
Severity: -- → S2
Priority: -- → P2
See Also: → 1851573

The bug is marked as tracked for firefox119 (nightly). We have limited time to fix this, the soft freeze is in 10 days. However, the bug still isn't assigned.

:bhood, could you please find an assignee for this tracked bug? Given that it is a regression and we know the cause, we could also simply backout the regressor. If you disagree with the tracking decision, please talk with the release managers.

For more information, please visit BugBot documentation.

Flags: needinfo?(bhood)

See bug 1851573 comment 3.

Flags: needinfo?(jfkthame)
Status: NEW → RESOLVED
Closed: 2 years ago
Flags: needinfo?(bhood)
Resolution: --- → WONTFIX
You need to log in before you can comment on or make changes to this bug.