1459576 - 4.06 - 9.07% damp (osx-10-10, windows10-64, windows7-32) regression on push 8f88c817b334 (Fri May 4 2018)

Status: RESOLVED WONTFIX

(DevTools :: Framework, defect)

Description

[Ionuț Goldan [:igoldan]]

Talos has detected a Firefox performance regression from push:

https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=0ba46c050bb2377f409554806cb07e70c28803d5&tochange=8f88c817b3340c1857632da600179295ab4b01c4

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

Regressions:

  9%  damp osx-10-10 opt e10s stylo     112.55 -> 122.75
  7%  damp windows7-32 opt e10s stylo   82.38 -> 88.12
  4%  damp windows10-64 opt e10s stylo  76.12 -> 79.21


You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=13092

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/Buildbot/Talos/Tests

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

Comment 1

[Ionuț Goldan [:igoldan]]

:ochameau I've marked this as wontfix, because bug 1454580 only added a new test.

Comment 2

[Alexandre Poirot [:ochameau]]

(In reply to Ionuț Goldan [:igoldan], Performance Sheriffing from comment #1)
> :ochameau I've marked this as wontfix, because bug 1454580 only added a new
> test.

Thanks, yes, that was the right call.