1477912 - 2.46% damp (windows10-64) regression on push 5865394c3ef194daf2e5ee4c252e302e5f99872b (Mon Jul 23 2018)

Status: RESOLVED WONTFIX

(DevTools :: Console, defect)

Description

[Ionuț Goldan [:igoldan]]

Talos has detected a Firefox performance regression from push:

https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=5865394c3ef194daf2e5ee4c252e302e5f99872b

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

Regressions:

  2%  damp windows10-64 opt e10s stylo     259.34 -> 265.73


You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=14500

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

[Nicolas Chevobbe [:nchevobbe]]

Hello,

This is totally expected as we introduced a new test (damp console.autocomplete) in DAMP. I checked the run you pointed to to ensure it was this and not something else.

Comment 2

[Ionuț Goldan [:igoldan]]

(In reply to Nicolas Chevobbe [:nchevobbe] from comment #1)
> Hello,
> 
> This is totally expected as we introduced a new test (damp
> console.autocomplete) in DAMP. I checked the run you pointed to to ensure it
> was this and not something else.

Cool. Marking this as wontfix.