From: Mike Galbraith <efault@gmx.de>
To: davidsen@posidon.tmr.com
Cc: Linux Kernel M/L <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] another scheduler beater
Date: Tue, 24 Apr 2007 06:36:33 +0200 [thread overview]
Message-ID: <1177389393.6299.16.camel@Homer.simpson.net> (raw)
In-Reply-To: <462D2B4E.7050009@tmr.com>
On Mon, 2007-04-23 at 17:55 -0400, Bill Davidsen wrote:
> Based on just this script as load I would say renice on X isn't a good
> thing. Based on one small test, I would say that renice of X in
> conjunction with heavy disk i/o and a single fast scrolling xterm (think
> kernel compile) seems to slow the raid6 thread measurably.
Yeah, I was testing a UP kernel yesterday. It doesn't take much renice
to severely injure the competition with them having no place else to go.
Nice -19 is definitely overkill.
-Mike
next prev parent reply other threads:[~2007-04-24 4:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-23 21:55 [RFC] another scheduler beater Bill Davidsen
2007-04-24 4:36 ` Mike Galbraith [this message]
2007-04-24 8:17 ` Ingo Molnar
2007-04-24 12:06 ` Ed Tomlinson
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