From: Mike Galbraith <efault@gmx.de>
To: Matthias Dahl <mlkernel@mortal-soul.de>
Cc: Jens Axboe <axboe@kernel.dk>, linux-kernel@vger.kernel.org
Subject: Re: sluggish system responsiveness under higher IO load
Date: Sun, 24 Sep 2006 20:27:17 +0000 [thread overview]
Message-ID: <1159129637.6098.60.camel@Homer.simpson.net> (raw)
In-Reply-To: <200609241632.11126.mlkernel@mortal-soul.de>
On Sun, 2006-09-24 at 16:32 +0200, Matthias Dahl wrote:
> On Friday 15 September 2006 20:17, Jens Axboe wrote:
>
> > Sounds like a hardware issue, someone could be hogging the bus. You
> > could try and play with the pci latency setting.
>
> Is there a way I can debug this...? I really would like to get to the bottom
> of this somehow. I did one more test: installed and started enemy territory
> because it's free and heavily uses OpenGL... works fine so far. But simply
> starting an untar process in the background while et is running causes quite
> distorted sound and even the mouse pointer won't react in time anymore until
> the untar process is finished. This can't be right. IO load shouldn't cause
> sluggish responsiveness...
It depends a lot on how the application is written. Start your app at
nice -10, and retry the IO interference test.
-Mike
prev parent reply other threads:[~2006-09-24 18:14 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-06 10:00 Matthias Dahl
2006-08-06 10:15 ` Andrew Morton
2006-08-06 13:54 ` Matthias Dahl
2006-08-06 19:37 ` Andrew Morton
2006-08-08 15:47 ` Matthias Dahl
2006-08-07 13:48 ` Jens Axboe
2006-08-08 15:56 ` Matthias Dahl
2006-08-08 17:44 ` Matthias Dahl
2006-08-08 19:02 ` Jens Axboe
2006-08-10 12:28 ` Jens Axboe
2006-08-11 11:40 ` Matthias Dahl
2006-08-13 16:15 ` Matthias Dahl
2006-10-06 15:58 ` Paolo Ornati
2006-10-08 14:28 ` Christian
2006-10-08 17:05 ` Jens Axboe
2006-10-08 23:50 ` Jesper Juhl
2006-10-09 5:58 ` Jens Axboe
2006-10-14 14:39 ` Matthias Dahl
2006-10-14 14:57 ` Paolo Ornati
2006-10-14 18:20 ` Mike Galbraith
2006-09-03 11:15 ` Matthias Dahl
2006-09-15 18:17 ` Jens Axboe
2006-09-24 14:32 ` Matthias Dahl
2006-09-24 20:27 ` Mike Galbraith [this message]
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