From: Christian Vogel <vogel@skunk.physik.uni-erlangen.de>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: linux-2.6.0-test2: Never using pm_idle (CPU wasting power)
Date: Fri, 1 Aug 2003 11:18:15 +0200 [thread overview]
Message-ID: <20030801111815.A14236@skunk.physik.uni-erlangen.de> (raw)
In-Reply-To: <20030731155948.1826b9c7.akpm@osdl.org>; from akpm@osdl.org on Thu, Jul 31, 2003 at 03:59:48PM -0700
Hi Andrew,
On Thu, Jul 31, 2003 at 03:59:48PM -0700, Andrew Morton wrote:
> Yes, I assume that need_resched() is always false because kernel preemption
> cuts in first. Can you please confirm that you're using CONFIG_PREEMPT,
> and that the problem goes away if CONFIG_PREEMPT is disabled?
Yes I was using PREEMPT, unfortunately the machine is not here right
now so I can't test without it. Your diff is also exactly what I did and
it helped. (I already wrote that).
Chris
--
Smith & Wesson: The original point-and-click interface
prev parent reply other threads:[~2003-08-01 9:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-31 13:07 linux-2.6.0-test2: Never using pm_idle (CPU wasting power) Christian Vogel
2003-07-31 14:12 ` Charles Lepple
2003-07-31 14:44 ` Christian Vogel
2003-07-31 22:45 ` Roger Larsson
2003-07-31 22:58 ` Robert Love
2003-07-31 23:26 ` Robert Love
2003-07-31 22:59 ` Andrew Morton
2003-08-01 9:18 ` Christian Vogel [this message]
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