From: Mike Galbraith <efault@gmx.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Dhaval Giani <dhaval@linux.vnet.ibm.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Srivatsa Vaddagiri <vatsa@in.ibm.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] sched: revert load_balance_monitor()
Date: Fri, 29 Feb 2008 08:11:05 +0100 [thread overview]
Message-ID: <1204269065.6143.20.camel@homer.simson.net> (raw)
In-Reply-To: <1204215191.4319.7.camel@homer.simson.net>
On Thu, 2008-02-28 at 17:13 +0100, Mike Galbraith wrote:
> On Thu, 2008-02-28 at 14:26 +0100, Ingo Molnar wrote:
>
> > Mike, could you check whether today's sched-devel.git (which includes
> > the full revert) works well for you? (with group scheduler enabled)
>
> No, it's fairly lurchy with three root chew-max and one user chew-max
> running. Moving the mouse around while they're running, I can see/feel
> the load, and max latency for the user chew-max quickly shoots to
> >500ms.
fair-group: single RQ approach was responsible for the lurchiness. In
testing with that commit reverted, I've hit a couple anomalies. Details
and mondo data sent offline.
-Mike
next prev parent reply other threads:[~2008-02-29 7:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-25 12:22 [PATCH] sched: revert load_balance_monitor() Peter Zijlstra
2008-02-25 14:29 ` Mike Galbraith
2008-02-25 14:35 ` Dhaval Giani
2008-02-25 14:37 ` Mike Galbraith
2008-02-28 13:26 ` Ingo Molnar
2008-02-28 16:13 ` Mike Galbraith
2008-02-29 7:11 ` Mike Galbraith [this message]
2008-02-25 15:28 ` Peter Zijlstra
2008-02-25 15:53 ` Heiko Carstens
2008-02-25 16:01 ` Srivatsa Vaddagiri
2008-02-25 16:34 ` Peter Zijlstra
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