From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, Yuyang Du <yuyang.du@intel.com>
Subject: Re: 4.3 group scheduling regression
Date: Mon, 12 Oct 2015 09:44:57 +0200 [thread overview]
Message-ID: <1444635897.3425.19.camel@gmail.com> (raw)
In-Reply-To: <20151012072344.GM3604@twins.programming.kicks-ass.net>
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
next prev parent reply other threads:[~2015-10-12 7:45 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-05 21:48 CFS scheduler unfairly prefers pinned tasks paul.szabo
2015-10-06 2:45 ` Mike Galbraith
2015-10-06 10:06 ` paul.szabo
2015-10-06 12:17 ` Mike Galbraith
2015-10-06 20:44 ` paul.szabo
2015-10-07 1:28 ` Mike Galbraith
2015-10-08 8:19 ` Mike Galbraith
2015-10-08 10:54 ` paul.szabo
2015-10-08 11:19 ` Peter Zijlstra
2015-10-10 13:22 ` [patch] sched: disable task group re-weighting on the desktop Mike Galbraith
2015-10-10 14:03 ` kbuild test robot
2015-10-10 14:41 ` Mike Galbraith
2015-10-10 17:01 ` Peter Zijlstra
2015-10-10 17:13 ` Peter Zijlstra
2015-10-11 2:25 ` Mike Galbraith
2015-10-11 17:42 ` 4.3 group scheduling regression Mike Galbraith
2015-10-12 7:23 ` Peter Zijlstra
2015-10-12 7:44 ` Mike Galbraith [this message]
2015-10-12 8:04 ` Peter Zijlstra
2015-10-12 0:53 ` Yuyang Du
2015-10-12 9:12 ` Peter Zijlstra
2015-10-12 2:12 ` Yuyang Du
2015-10-12 10:23 ` Mike Galbraith
2015-10-12 19:55 ` Yuyang Du
2015-10-13 4:08 ` Mike Galbraith
2015-10-12 20:42 ` Yuyang Du
2015-10-13 8:06 ` Peter Zijlstra
2015-10-13 0:35 ` Yuyang Du
2015-10-13 8:10 ` Peter Zijlstra
2015-10-13 0:37 ` Yuyang Du
2015-10-12 11:47 ` Peter Zijlstra
2015-10-12 19:32 ` Yuyang Du
2015-10-13 8:07 ` Peter Zijlstra
2015-10-13 2:22 ` Mike Galbraith
2015-10-12 8:48 ` Mike Galbraith
2015-10-10 20:14 ` [patch] sched: disable task group re-weighting on the desktop paul.szabo
2015-10-11 2:38 ` Mike Galbraith
2015-10-11 9:25 ` paul.szabo
2015-10-11 12:49 ` Mike Galbraith
2015-10-11 19:46 ` paul.szabo
2015-10-12 1:59 ` Mike Galbraith
2015-10-08 14:25 ` CFS scheduler unfairly prefers pinned tasks Mike Galbraith
2015-10-08 21:55 ` paul.szabo
2015-10-09 1:56 ` Mike Galbraith
2015-10-09 2:40 ` Mike Galbraith
2015-10-11 9:43 ` paul.szabo
2015-10-10 3:59 ` Wanpeng Li
2015-10-10 7:58 ` Wanpeng Li
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