From: safemode <safemode@speakeasy.net>
To: Andrea Arcangeli <andrea@suse.de>
Cc: "Andrew Morton" <akpm@zip.com.au>,
"Dieter Nützel" <Dieter.Nuetzel@hamburg.de>,
"Robert Love" <rml@tech9.net>,
"Linux Kernel List" <linux-kernel@vger.kernel.org>
Subject: Re: 2.4.10-ac10-preempt lmbench output.
Date: Wed, 10 Oct 2001 19:42:31 -0400 [thread overview]
Message-ID: <20011010234211Z277533-761+17907@vger.kernel.org> (raw)
In-Reply-To: <200110100358.NAA17519@isis.its.uow.edu.au> <20011010120009.851921E7C9@Cantor.suse.de> <20011010153653.Q726@athlon.random>
In-Reply-To: <20011010153653.Q726@athlon.random>
On Wednesday 10 October 2001 09:36, Andrea Arcangeli wrote:
> On Wed, Oct 10, 2001 at 08:00:04AM -0400, safemode wrote:
> > OK, i copied the mp3 into /dev/shm and without any renicing of anything
> > it plays fine during dbench 32. so the problem is disk access taking too
> > long.
> >
> > Which is strange since i'm running dbench on a separate hdd on a totally
> > different controller.
>
> then if you know it's not disk congestion, it's most probably due the vm
> write throttling.
>
> Andrea
How is it that a process at the same priority as allowed to throttle the
kernel's vm and starve other processes at the same priority. That sounds
like dbench is being allowed to preempt other processes at the same priority.
even if it is indirect preemption. The effect is the same.
next prev parent reply other threads:[~2001-10-10 23:42 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200110100358.NAA17519@isis.its.uow.edu.au>
2001-10-10 5:13 ` Andrew Morton
2001-10-10 5:26 ` Andrea Arcangeli
2001-10-10 11:41 ` safemode
2001-10-10 12:00 ` safemode
[not found] ` <20011010120009.851921E7C9@Cantor.suse.de>
2001-10-10 13:36 ` Andrea Arcangeli
2001-10-10 15:37 ` Dieter Nützel
2001-10-10 20:10 ` Justin A
2001-10-10 23:42 ` safemode [this message]
2001-10-11 0:30 ` Mike Fedyk
2001-10-10 18:14 ` george anzinger
[not found] <20011010035818.A556B1E760@Cantor.suse.de>
2001-10-10 4:23 ` Andrea Arcangeli
2001-10-10 4:42 ` Dieter Nützel
[not found] ` <20011010044242.82D131E768@Cantor.suse.de>
2001-10-10 4:48 ` Andrea Arcangeli
[not found] <200110100358.f9A3wSB17421@zero.tech9.net>
2001-10-10 4:02 ` Robert Love
2001-10-10 4:27 ` Andrea Arcangeli
2001-10-10 4:04 ` Robert Love
2001-10-10 3:57 Dieter Nützel
[not found] <200110100036.UAA128640@ufl.edu>
2001-10-10 2:02 ` Robert Love
-- strict thread matches above, loose matches on Subject: below --
2001-10-10 0:36 safemode
2001-10-10 1:18 ` Andrea Arcangeli
2001-10-10 2:09 ` safemode
[not found] ` <20011010020935.50DEF1E756@Cantor.suse.de>
2001-10-10 2:30 ` Andrea Arcangeli
2001-10-10 2:37 ` Robert Love
2001-10-10 3:06 ` Andrea Arcangeli
2001-10-10 3:24 ` Robert Love
2001-10-10 4:03 ` Andrea Arcangeli
2001-10-12 13:22 ` Pavel Machek
2001-10-13 20:42 ` Mike Fedyk
2001-10-13 23:21 ` Robert Love
2001-10-14 6:18 ` Pavel Machek
2001-10-10 2:10 ` Robert Love
2001-10-10 2:51 ` Andrea Arcangeli
2001-10-10 5:25 ` Justin A
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