Talos has detected a Firefox performance regression from push: https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=39a94e16a3694c443a985081ac1c6cd761363da2 As author of one of the patches included in that push, we need your help to address this regression. Regressions: 32% sessionrestore_many_windows windows10-64 opt e10s 3,034.50 -> 4,015.33 31% sessionrestore_many_windows windows7-32 opt e10s 3,168.58 -> 4,144.17 6% sessionrestore_many_windows osx-10-10 opt e10s 2,990.67 -> 3,172.92 You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=9333 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
:beekill, can you look into this large regression in our performance test?
Resolved by backout of the offending changeset.