9.27% rasterflood_gradient (Linux) regression on Wed November 26 2025
Categories
(Core :: Graphics: WebRender, defect)
Tracking
()
People
(Reporter: intermittent-bug-filer, Unassigned)
References
(Regression)
Details
(4 keywords)
Perfherder has detected a talos performance regression from push 9bffbbb5bf29324c006c80735f115be7a4902d1a. As author of one of the patches included in that push, we need your help to address this regression.
Please acknowledge, and begin investigating this alert within 3 business days, or the patch(es) may be backed out in accordance with our regression policy. Our guide to handling regression bugs has information about how you can proceed with this investigation.
If you have any questions or need any help with the investigation, please reach out to bacasandrei@mozilla.com. Alternatively, you can find help on Slack by joining #perf-help, and on Matrix you can find help by joining #perftest.
Regressions:
| Ratio | Test | Platform | Options | Absolute values (old vs new) |
|---|---|---|---|---|
| 9% | rasterflood_gradient | linux1804-64-shippable-qr | e10s fission stylo webrender-sw | 1,188.92 -> 1,078.75 |
Details of the alert can be found in the alert summary, including links to graphs and comparisons for each of the affected tests.
If you need the profiling jobs you can trigger them yourself from treeherder job view or ask bacasandrei@mozilla.com to do that for you.
You can run all of these tests on try with ./mach try perf --alert 47697
The following documentation link provides more information about this command.
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Updated•8 months ago
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Comment 1•8 months ago
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That was a backout of a recent pref change so at worse we are back to normal.
Description
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