1579356 - 5.12 - 5.32% build times (linux64) regression on push 56248ad240922ef2c7bca41eda522a0bf374be28 (Tue August 27 2019)

Status: RESOLVED DUPLICATE of bug 1578254

(Firefox Build System :: General, defect)

Description

[Marian Raiciof [:marauder]]

We have detected a build metrics regression from push:

https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=56248ad240922ef2c7bca41eda522a0bf374be28

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

Regressions:

5% build times linux64 debug plain taskcluster-c5d.4xlarge 1,099.93 -> 1,158.45
5% build times linux64 debug plain taskcluster-c4.4xlarge 1,436.97 -> 1,510.49

You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=22864

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 jobs in a pushlog format.

To learn more about the regressing test(s), please see: https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Automated_Performance_Testing_and_Sheriffing/Build_Metrics

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

Comment 1

[Marian Raiciof [:marauder]]

Hi everyone,

We have this alert on linux64, which seems to be related to https://bugzilla.mozilla.org/show_bug.cgi?id=1578254

For build times i used this URL:
https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedJob=263586187&group_state=expanded&searchStr=linux%2Cx64%2Cdebug%2Cbuild-linux64-plain%2Fdebug%2C%28bp%29&tochange=fbbf527bd3a80e1fc8e192047254b3792db6e08f&fromchange=fdd1a25b68e1d43d41a77a3aaad0b330df51c36f

I need your opinions on this one.

Thanks!