From: Peter Zijlstra <peterz@infradead.org>
To: Jirka Hladky <jhladky@redhat.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Kamil Kolakowski <kkolakow@redhat.com>
Subject: Re: Kernel 4.7rc3 - Performance drop 30-40% for SPECjbb2005 and SPECjvm2008 benchmarks against 4.6 kernel
Date: Fri, 24 Jun 2016 10:08:52 +0200 [thread overview]
Message-ID: <20160624080852.GX30154@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <CAE4VaGBzNyhw58cASkQofCVaUHPUYrJ97_U8ymHMw7A9_0mjsg@mail.gmail.com>
On Fri, Jun 24, 2016 at 09:44:41AM +0200, Jirka Hladky wrote:
> I have double checked default settings and
>
> kernel.sched_autogroup_enabled
>
> is by default ON both in 4.6 and 4.7 kernel.
Yeah, if you enable that CONFIG its default enabled. In any case, I'll
go trawl through the cgroup code now. I spend yesterday looking at the
'wrong' part things.
next prev parent reply other threads:[~2016-06-24 8:09 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-16 16:38 Jirka Hladky
2016-06-16 17:22 ` Peter Zijlstra
2016-06-16 23:04 ` Jirka Hladky
2016-06-21 13:17 ` Jirka Hladky
2016-06-22 7:16 ` Peter Zijlstra
2016-06-22 7:49 ` Peter Zijlstra
2016-06-22 7:54 ` Peter Zijlstra
2016-06-22 9:52 ` Jirka Hladky
2016-06-22 11:12 ` Peter Zijlstra
2016-06-22 12:37 ` Jirka Hladky
2016-06-22 12:46 ` Jirka Hladky
2016-06-22 14:41 ` Jirka Hladky
2016-06-22 20:59 ` Peter Zijlstra
2016-06-22 8:20 ` Jirka Hladky
2016-06-23 18:33 ` Peter Zijlstra
2016-06-23 18:43 ` Peter Zijlstra
2016-06-24 7:44 ` Jirka Hladky
2016-06-24 8:08 ` Peter Zijlstra [this message]
2016-06-24 8:20 ` Jirka Hladky
2016-06-24 12:02 ` Peter Zijlstra
2016-06-24 12:09 ` Jirka Hladky
2016-06-24 12:30 ` Peter Zijlstra
2016-06-24 12:35 ` Jirka Hladky
2016-06-24 12:44 ` Vincent Guittot
2016-06-24 13:08 ` Jirka Hladky
2016-06-24 13:09 ` Peter Zijlstra
2016-06-24 13:23 ` Vincent Guittot
2016-06-24 13:33 ` Peter Zijlstra
2016-06-24 13:45 ` Peter Zijlstra
2016-06-24 13:42 ` Peter Zijlstra
2016-06-24 15:54 ` Peter Zijlstra
2016-06-24 22:13 ` Jirka Hladky
2016-06-22 7:37 Branimir Maksimovic
2016-06-22 8:25 ` Jirka Hladky
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