I have documented this here: < https://developer.mozilla.org/en-US/docs/Developer_Guide/Committing_Rules_and_Responsibilities#Dealing_with_performance_regressions >
-- Ehsan <http://ehsanakhgari.org/> On Thu, Oct 18, 2012 at 2:05 PM, Ehsan Akhgari <ehsan.akhg...@gmail.com>wrote: > Hi everyone, > > As part of our efforts to get more value out of the Talos test suite for > preventing performance regressions, we believe that we are now ready to put > a first set of measures against startup time regressions. We will start by > imposing a new backout policy for mozilla-inbound checkins for regressions > more than 4% on any given platform. If your patch falls in a range which > causes more than 4% Ts regression, it will be backed out by our sheriffs > together with the rest of the patches in that range, and you can only > reland after you fix the regression by testing locally or on the try server. > > The 4% threshold has been chosen based on anecdotal evidence on the most > recent Ts regressions that we have seen, and is too generous, but we will > be working to improve the reporting and regression detection systems > better, and as those get improved, we would feel more comfortable with > imposing this policy on other Talos tests with tighter thresholds. > > Please let me know if you have any questions. > > Cheers, > -- > Ehsan > <http://ehsanakhgari.org/> > _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform