Closed Bug 1615647 Opened 4 years ago Closed 4 years ago

17.21% about_newtab_with_snippets (windows7-32-shippable) regression on push f0f213c25bb7232c9627746c447f2d2213128db2 (Wed February 12 2020)

Categories

(Firefox :: Messaging System, defect)

defect
Not set
normal

Tracking

()

RESOLVED WONTFIX
Firefox 75
Tracking Status
firefox-esr68 --- unaffected
firefox73 --- unaffected
firefox74 --- unaffected
firefox75 --- wontfix

People

(Reporter: marauder, Unassigned)

References

(Regression)

Details

(4 keywords)

Talos has detected a Firefox performance regression from push:

https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=f0f213c25bb7232c9627746c447f2d2213128db2

As author of one of the patches included in that push, we need your help to address this regression.

Regressions:

19% about_newtab_with_snippets windows7-32-shippable opt e10s stylo 92.98 -> 110.67
18% about_newtab_with_snippets windows10-64-shippable-qr opt e10s stylo 93.61 -> 110.33
17% about_newtab_with_snippets windows7-32-shippable opt e10s stylo 94.31 -> 110.54
17% about_newtab_with_snippets windows10-64-shippable opt e10s stylo 94.50 -> 110.56
16% about_newtab_with_snippets linux64-shippable-qr opt e10s stylo 101.37 -> 117.82
16% about_newtab_with_snippets macosx1014-64-shippable opt e10s stylo 113.14 -> 131.27
8% about_newtab_with_snippets linux64-shippable opt e10s stylo 103.06 -> 111.16

You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=24944

On the page above you can see an alert for each affected platform as well as a link to a graph showing the history of scores for this test. There is also a link to a treeherder page showing the Talos jobs in a pushlog format.

To learn more about the regressing test(s), please see: https://wiki.mozilla.org/TestEngineering/Performance/Talos

For information on reproducing and debugging the regression, either on try or locally, see: https://wiki.mozilla.org/TestEngineering/Performance/Talos/Running

*** Please let us know your plans within 3 business days, or the offending patch(es) will be backed out! ***

Our wiki page outlines the common responses and expectations: https://wiki.mozilla.org/TestEngineering/Performance/Talos/RegressionBugsHandling

Blocks: 1614561
Component: Performance → Messaging System
Flags: needinfo?(andrei.br92)
Product: Testing → Firefox
Regressed by: 1613648
Target Milestone: --- → Firefox 75
Version: Version 3 → unspecified
Has Regression Range: --- → yes

Expected regression. We added more content to the page (which the user normally sees) but was previously untracked in the test.

Flags: needinfo?(andrei.br92)

:andreio, can we close this than as WONTFIX?

Flags: needinfo?(andrei.br92)
Status: NEW → RESOLVED
Closed: 4 years ago
Flags: needinfo?(andrei.br92)
Resolution: --- → WONTFIX
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