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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Damien Wyart <damien.wyart@free.fr>, Ingo Molnar <mingo@elte.hu>,
	Mike Galbraith <efault@gmx.de>,
	linux-kernel@vger.kernel.org
Subject: Re: Very high CPU load when idle with 3.0-rc1
Date: Mon, 30 May 2011 18:45:57 -0700	[thread overview]
Message-ID: <20110531014557.GV2668@linux.vnet.ibm.com> (raw)
In-Reply-To: <1306791328.23844.13.camel@twins>

On Mon, May 30, 2011 at 11:35:28PM +0200, Peter Zijlstra wrote:
> On Mon, 2011-05-30 at 14:29 -0700, Paul E. McKenney wrote:
> > But I should be able to move them back in under "if (cpu_online(cpu))",
> > right? 
> 
> Yeah, you should be able to put the wakeup in the spawn function when
> made conditional on cpu_online(), although I'm not quite sure how to do
> that for the rnp case, but I guess you'll have a better grasp on that.

OK, will give it a go.

							Thanx, Paul

  reply	other threads:[~2011-05-31  1:46 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-30  5:59 Very high CPU load when idle with 3.0-rc1 Damien Wyart
2011-05-30 11:34 ` Peter Zijlstra
2011-05-30 12:17   ` Ingo Molnar
2011-05-30 13:10   ` Mike Galbraith
2011-05-30 16:23   ` Paul E. McKenney
2011-05-30 16:41     ` Paul E. McKenney
2011-05-30 16:47       ` Peter Zijlstra
2011-05-30 16:46     ` Peter Zijlstra
2011-05-30 21:29       ` Paul E. McKenney
2011-05-30 21:35         ` Peter Zijlstra
2011-05-31  1:45           ` Paul E. McKenney [this message]
2011-05-30 17:19     ` Peter Zijlstra
2011-05-30 21:28       ` Paul E. McKenney
2011-05-30 21:33         ` Peter Zijlstra
2011-05-31  1:45           ` Paul E. McKenney
2011-06-01 11:05             ` Peter Zijlstra
2011-06-01 14:37               ` Paul E. McKenney
2011-06-01 16:58                 ` Peter Zijlstra
2011-06-01 18:19                   ` Paul E. McKenney
2011-05-31 12:30   ` [tip:core/urgent] rcu: Cure load woes tip-bot for Peter Zijlstra
2011-05-30 11:50 ` Very high CPU load when idle with 3.0-rc1 Damien Wyart
2011-05-30 12:22 ` Morten P.D. Stevens

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