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From: Niel Lambrechts <unix@telkomsa.net>
To: Gene Heskett <gene.heskett@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: [report] renicing X, cfs-v5 vs sd-0.46
Date: Mon, 23 Apr 2007 20:52:53 +0200	[thread overview]
Message-ID: <462D0085.6070806@telkomsa.net> (raw)
In-Reply-To: <8dawR-4zw-21@gated-at.bofh.it>

Gene Heskett wrote:
> This message prompted me to do some checking in re context switches myself, 
> and I've come to the conclusion that there could be a bug in vmstat itself.

Perhaps. perhaps not. :)

> Run singly the context switching is reasonable even for a -19 niceness of x, 
> its only showing about 200 or so on the first loop of vmstat.  But throw in 
> the -n 1 arguments and it goes crazy on the second and subsequent loops.

man vmstat:
"The first report produced gives averages since the last reboot.
Additional reports  give information on a sampling period of length delay."

Regards,
Niel

       reply	other threads:[~2007-04-23 19:31 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <8c1Z0-5Lw-29@gated-at.bofh.it>
     [not found] ` <8cWMV-8vr-3@gated-at.bofh.it>
     [not found]   ` <8d8uH-1sm-3@gated-at.bofh.it>
     [not found]     ` <8dawR-4zw-21@gated-at.bofh.it>
2007-04-23 18:52       ` Niel Lambrechts [this message]
2007-04-24  1:51         ` [report] renicing X, cfs-v5 vs sd-0.46 Gene Heskett
2007-04-20 14:04 [patch] CFS scheduler, v4 Ingo Molnar
2007-04-21 15:55 ` [REPORT] cfs-v4 vs sd-0.44 Con Kolivas
2007-04-21 16:00   ` Ingo Molnar
2007-04-21 23:59     ` Con Kolivas
2007-04-22 13:04       ` Juliusz Chroboczek
2007-04-22 23:24         ` Linus Torvalds
2007-04-23  2:42           ` [report] renicing X, cfs-v5 vs sd-0.46 Ingo Molnar
2007-04-23 15:09             ` Linus Torvalds
2007-04-23 17:19               ` Gene Heskett
2007-04-23 17:19               ` Gene Heskett
2007-04-23 19:48               ` Ingo Molnar
2007-04-23 20:56                 ` Michael K. Edwards

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