linux-kernel - Re: top displaying 9999% CPU usage

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Message-ID: <Pine.LNX.4.64.0710031746260.27745@kivilampi-30.cs.helsinki.fi>
Date:	Wed, 3 Oct 2007 17:51:45 +0300 (EEST)
From:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To:	Frans Pop <elendil@...net.nl>
cc:	LKML <linux-kernel@...r.kernel.org>,
	"Alexander E. Patrakov" <patrakov@....usu.ru>
Subject: Re: top displaying 9999% CPU usage

On Wed, 3 Oct 2007, Ilpo Järvinen wrote:

> On Wed, 3 Oct 2007, Frans Pop wrote:
> 
> > The only change is in 2 consecutive columns: "2911 502" -> "2912 500".
> > Is processor usage calculated from those? Can someone explain how?
> 
> The latter seems to be utime ...decreasing. No wonder if arithmetics will 
> give strange results (probably top is using unsigned delta?)...

Hmm, minor miscounting from my side, stime seems more appropriate...

-- 
 i.