Closed Bug 1163518 Opened 6 years ago Closed 6 years ago

13-18% Linux*/Win* damp regression on Fx-Team-Non-PGO (v.40) on May 08, 2015 from push 2bda9fb3b5d6


(Testing :: Talos, defect)

Not set


(Not tracked)



(Reporter: vaibhav1994, Unassigned)



Talos has detected a Firefox performance regression from your commit 2bda9fb3b5d6 in bug 862341.  We need you to address this regression.

This is a list of all known regressions and improvements related to your bug:

On the page above you can see Talos 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, please see:

Reproducing and debugging the regression:
If you would like to re-run this Talos test on a potential fix, use try with the following syntax:
try: -b o -p linux,win64,win32 -u none -t g2  # add "mozharness: --spsProfile" to generate profile data

To run the test locally and do a more in-depth investigation, first set up a local Talos environment:

Then run the following command from the directory where you set up Talos:
talos --develop -e <path>/firefox -a damp

Making a decision:
As the patch author we need your feedback to help us handle this regression.

Our wiki page oulines the common responses and expectations:
Panos, I see in, that this regression was expected. So kindly look into it and if possible fix it, else we can mark this bug as WONT FIX.
Flags: needinfo?(past)
Yes, I think we need to live with this regression. We will keep looking for ways to improve toolbox startup performance of course.
Closed: 6 years ago
Flags: needinfo?(past)
Resolution: --- → WONTFIX
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