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From: Peter Zijlstra <peterz@infradead.org>
To: Mike Galbraith <efault@gmx.de>
Cc: Prashanth Nageshappa <prashanth@linux.vnet.ibm.com>,
	mingo@kernel.org, LKML <linux-kernel@vger.kernel.org>,
	roland@kernel.org, Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
	Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] sched: balance_cpu to consider other cpus in its group as target of (pinned) task migration
Date: Mon, 04 Jun 2012 13:53:16 +0200	[thread overview]
Message-ID: <1338810796.28282.32.camel@twins> (raw)
In-Reply-To: <1338801907.7356.163.camel@marge.simpson.net>

On Mon, 2012-06-04 at 11:25 +0200, Mike Galbraith wrote:
> Isn't this poking the wrong spot?

Yes and no, the use-case is definitely so-so.. However, even if a FIFO
task were to only consume 95% of time, we might still want to balance
things differently, and I don't think we do the sane thing there either.

But fully agreed, if you run FIFO at 100% you get to keep the pieces.

  reply	other threads:[~2012-06-04 11:53 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-04  5:57 [PATCH] sched: balance_cpu to consider other cpus in its group as target of (pinned) task migration Prashanth Nageshappa
2012-06-04  9:00 ` Peter Zijlstra
2012-06-04 11:41   ` Srivatsa Vaddagiri
2012-06-04 11:49     ` Peter Zijlstra
2012-06-04 12:27       ` Srivatsa Vaddagiri
2012-06-04 11:51     ` Peter Zijlstra
2012-06-04  9:25 ` Mike Galbraith
2012-06-04 11:53   ` Peter Zijlstra [this message]
2012-06-04 12:47     ` Mike Galbraith
2012-06-04 13:07       ` Srivatsa Vaddagiri
2012-06-04 14:30         ` Mike Galbraith
2012-06-04 14:38           ` Srivatsa Vaddagiri
2012-06-04 14:41             ` Mike Galbraith
2012-06-04 15:00               ` Srivatsa Vaddagiri
2012-06-04 15:21                 ` Peter Zijlstra
2012-06-04 15:25                   ` Srivatsa Vaddagiri
2012-06-04 15:33                     ` Peter Zijlstra
2012-06-04 15:46                       ` Srivatsa Vaddagiri
2012-06-04 16:56                       ` Mike Galbraith
2012-06-04 17:37                         ` Srivatsa Vaddagiri

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