Messages in this thread | | | Subject | Re: 4.3 group scheduling regression | From | Mike Galbraith <> | Date | Mon, 12 Oct 2015 09:44:57 +0200 |
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On Mon, 2015-10-12 at 09:23 +0200, Peter Zijlstra wrote: > On Sun, Oct 11, 2015 at 07:42:01PM +0200, Mike Galbraith wrote: > > (change subject, CCs) > > > > On Sun, 2015-10-11 at 04:25 +0200, Mike Galbraith wrote: > > > > > > Is the interactivity the same (horrible) at fe32d3cd5e8e (ie, before the > > > > load tracking rewrite from Yuyang)? > > > > It is the rewrite, 9d89c257dfb9c51a532d69397f6eed75e5168c35. > > Just to be sure, so 9d89c257dfb9^1 is good, while 9d89c257dfb9 is bad?
Yeah, I went ahead and bisected.
> And *groan*, _just_ the thing I need on a monday morning ;-)
Sorry 'bout that.
It's odd to me that things look pretty much the same good/bad tree with hogs vs hogs or hogs vs tbench (with top anyway, just adding up times). Seems Xorg+mplayer more or less playing cross group ping-pong must be the BadThing trigger.
-Mike
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