Bug: 4.73 - 2.02% pdfpaint xfa_issue14315.pdf / pdfpaint tiling-pattern-box.pdf + 64 more (Linux) regression on Thu October 17 2024
Status: RESOLVED
Priority: --
Resolution: FIXED
Created: 2024-10-24 20:36:07+00:00
Resolved: 2024-11-11 10:37:03+00:00

Perfherder has detected a talos performance regression from push [df020056819341b4115a98713ce4585d60eb8252](https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=df020056819341b4115a98713ce4585d60eb8252). 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)** |  
|--|--|--|--|--| 
| [5%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5093432,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) xfa_issue14315.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 269.26 -> 281.99 | 
| [4%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094407,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) xfa_bug1717681.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 606.90 -> 631.84 | 
| [4%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,208621,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) issue18138.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 478.86 -> 498.22 | 
| [4%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094748,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) issue2853.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 423.13 -> 439.40 | 
| [4%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094423,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) xfa_bug1722038.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 538.11 -> 558.31 | 
| [4%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094376,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) sizes.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 256.72 -> 265.79 | 
| [4%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094404,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) xfa_bug1717668_2.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 614.48 -> 636.05 | 
| [3%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5093419,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) xfa_issue13584.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 605.02 -> 625.24 | 
| [3%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094399,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) xfa_bug1716380.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 560.96 -> 579.30 | 
| [3%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5093420,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) xfa_issue13597.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 606.51 -> 626.36 | 
|...|...|...|...|...|
| [2%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094410,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) xfa_bug1718053.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 767.66 -> 784.28 | 
| [2%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094856,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) annotation-as.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 703.36 -> 717.99 | 
| [2%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094402,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) xfa_bug1716980.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 2,900.48 -> 2,959.40 | 
| [2%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094044,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) issue5567.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 816.70 -> 833.17 | 
| [2%](https://treeherder.mozilla.org/perfherder/graphs?timerange=1209600&series=autoland,5094382,1,1)  | [pdfpaint](https://firefox-source-docs.mozilla.org/testing/perfdocs/talos.html#pdfpaint) tiling-pattern-box.pdf | linux1804-64-shippable-qr | e10s fission stylo webrender | 1,971.40 -> 2,011.30 | 


Details of the alert can be found in the [alert summary](https://treeherder.mozilla.org/perfherder/alerts?id=2542), including links to graphs and comparisons for each of the affected tests. Please follow our [guide to handling regression bugs](https://wiki.mozilla.org/TestEngineering/Performance/Handling_regression_bugs) and **let us know your plans within 3 business days, or the patch(es) may be backed out** in accordance with our [regression policy](https://www.mozilla.org/en-US/about/governance/policies/regressions/).

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

You can run all of these tests on try with `./mach try perf --alert 2542`

The following [documentation link](https://firefox-source-docs.mozilla.org/testing/perfdocs/mach-try-perf.html#running-alert-tests) provides more information about this command.

For more information on performance sheriffing please see our [FAQ](https://wiki.mozilla.org/TestEngineering/Performance/FAQ).

If you have any questions, please do not hesitate to reach out to bacasandrei@mozilla.com.