From: Frans Pop <elendil@planet.nl>
To: Mike Galbraith <efault@gmx.de>
Cc: Arjan van de Ven <arjan@infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
linux-wireless@vger.kernel.org
Subject: Re: [.32-rc3] scheduler: iwlagn consistently high in "waiting for CPU"
Date: Thu, 8 Oct 2009 22:59:34 +0200 [thread overview]
Message-ID: <200910082259.35204.elendil@planet.nl> (raw)
In-Reply-To: <1255026217.6643.12.camel@marge.simson.net>
On Thursday 08 October 2009, Mike Galbraith wrote:
> I still see very high latencies coming out of idle (last noted was >
> 300ms, NO_HZ) with this patch,
>
> Like this:
>
> Cause Maximum Percentage
> Scheduler: waiting for cpu 604.2 msec 49.0 %
I'm not seeing anything even remotely like that.
I've tried quieting the system down as much as possible, but that made
no difference. I do have NO_HZ set; will send my full config privately.
If you'd still like me to try your patch I will, but I'm not sure if
that has much value.
Cheers,
FJP
next prev parent reply other threads:[~2009-10-08 21:00 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-05 13:00 [.32-rc3] scheduler: iwlagn consistently high in "waiting for CPU" Frans Pop
2009-10-05 14:13 ` Frans Pop
2009-10-05 14:24 ` Arjan van de Ven
2009-10-06 15:49 ` Frans Pop
2009-10-07 17:10 ` Frans Pop
2009-10-07 18:10 ` Mike Galbraith
2009-10-07 18:34 ` Frans Pop
2009-10-08 4:05 ` Mike Galbraith
2009-10-08 6:23 ` Mike Galbraith
2009-10-08 13:40 ` Arjan van de Ven
2009-10-08 14:13 ` Mike Galbraith
2009-10-08 14:54 ` Mike Galbraith
2009-10-08 14:55 ` Frans Pop
2009-10-08 15:09 ` Arjan van de Ven
2009-10-08 18:23 ` Mike Galbraith
2009-10-08 20:34 ` Markus Trippelsdorf
2009-10-09 3:35 ` Mike Galbraith
2009-10-09 3:51 ` Markus Trippelsdorf
2009-10-08 20:59 ` Frans Pop [this message]
2009-10-09 3:04 ` Mike Galbraith
2009-10-09 6:35 ` Mike Galbraith
2009-10-09 7:13 ` Peter Zijlstra
2009-10-09 7:55 ` Sedat Dilek
2009-10-09 7:55 ` Sedat Dilek
2009-10-09 8:06 ` Peter Zijlstra
2009-10-09 8:06 ` Peter Zijlstra
2009-10-09 14:23 ` [tip:sched/urgent] sched: Update the clock of runqueue select_task_rq() selected tip-bot for Mike Galbraith
2009-10-09 16:27 ` [.32-rc3] scheduler: iwlagn consistently high in "waiting for CPU" Frans Pop
2009-10-09 20:06 ` Mike Galbraith
2009-10-08 15:30 ` [tip:timers/urgent] x86, timers: Check for pending timers after (device) interrupts tip-bot for Arjan van de Ven
2009-10-09 14:23 ` [tip:sched/urgent] Revert "x86, timers: Check for pending timers after (device) interrupts" tip-bot for Ingo Molnar
2009-10-08 11:24 ` [.32-rc3] scheduler: iwlagn consistently high in "waiting for CPU" Mike Galbraith
2009-10-08 13:09 ` Frans Pop
2009-10-08 13:18 ` Mike Galbraith
2009-10-08 13:45 ` Arjan van de Ven
2009-10-08 14:15 ` Mike Galbraith
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