1369019 - 1.12 - 47.2% cart / tart / tp5o Main_RSS / tsvgx (linux64, windows7-32, windows8-64) regression on push c8c27d022b8756aa17c19e4a28db89f66412f497 (Wed May 24 2017)

Status: RESOLVED WONTFIX

(Testing :: Talos, defect)

Description

[Ionuț Goldan [:igoldan]]

Talos has detected a Firefox performance regression from push:

https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?changeset=c8c27d022b8756aa17c19e4a28db89f66412f497

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

Regressions:

  2%  tart summary windows8-64 opt e10s     6.21 -> 6.34
  1%  tart summary windows7-32 opt e10s     7.40 -> 7.48

Improvements:

  2%  ts_paint linux64 opt e10s     1,318.54 -> 1,291.83


You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=6809

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