From: Andi Kleen <andi@firstfloor.org>
To: Arjan van de Ven <arjan@infradead.org>
Cc: "Martin A. Fink" <fink@mpe.mpg.de>,
Matthias Schniedermeyer <ms@citd.de>,
linux-kernel@vger.kernel.org
Subject: Re: SATA-performance: Linux vs. FreeBSD
Date: 13 Feb 2007 12:18:21 +0100 [thread overview]
Message-ID: <p73r6sugvb6.fsf@bingen.suse.de> (raw)
In-Reply-To: <1171361290.12771.77.camel@laptopd505.fenrus.org>
Arjan van de Ven <arjan@infradead.org> writes:
> > >
> > The problem is: FreeBSD is fast, but lacks of some special drivers. Linux has
> > all drivers but access to harddisk is unpredictable and thus unreliable!
> > What can I do??
>
>
> there's several tunables you can do;
[...] Well Linux certainly should perform better out of the box
on such a simple configuration.
Something is wrong especially when the CPU usage is so high.
That is why I suggested oprofile. Perhaps contact linux-ide@vger.kernel.org
(if the results show driver problems) and linux-mm@kvack.org (otherwise)
with the results.
-Andi
next prev parent reply other threads:[~2007-02-13 10:18 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-12 14:02 SATA-performance: Linux vs. FreeBSD Martin A. Fink
2007-02-12 17:04 ` Andi Kleen
2007-02-12 16:27 ` Martin A. Fink
2007-02-12 18:41 ` Andi Kleen
2007-02-12 17:56 ` Martin A. Fink
2007-02-12 18:17 ` Ray Lee
2007-02-12 19:08 ` Alan
2007-02-12 20:34 ` Nigel Cunningham
2007-02-13 9:34 ` Martin A. Fink
2007-02-13 11:25 ` Alan
2007-02-13 12:32 ` Martin A. Fink
2007-02-13 14:47 ` Theodore Tso
2007-02-13 15:03 ` Alan
2007-02-13 17:12 ` Jeff Garzik
2007-02-12 23:31 ` Matthias Schniedermeyer
2007-02-13 9:25 ` Martin A. Fink
2007-02-13 10:08 ` Arjan van de Ven
2007-02-13 11:18 ` Andi Kleen [this message]
2007-02-13 10:25 ` Arjan van de Ven
2007-02-13 11:27 ` Alan
2007-02-13 11:59 ` Jörn Engel
2007-02-13 19:54 ` Jeffrey Hundstad
2007-02-13 10:16 ` Matthias Schniedermeyer
2007-02-13 10:29 ` Martin A. Fink
2007-02-13 12:04 ` Jörn Engel
2007-02-13 12:24 ` Matthias Schniedermeyer
2007-02-13 12:49 ` Martin A. Fink
2007-02-13 13:53 ` Matthias Schniedermeyer
2007-02-12 16:37 ` Martin A. Fink
2007-02-12 18:19 ` Stefan Richter
2007-02-13 19:09 ` Jeff Carr
2007-02-12 17:42 ` Martin A. Fink
2007-02-15 5:48 ` Tejun Heo
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