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Message-ID: <45D0934B.1060400@gmail.com>
Date: Mon, 12 Feb 2007 08:18:19 -0800
From: Tejun Heo <htejun@gmail.com>
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To: ris <ris@elsat.net.pl>
CC: linux-kernel@vger.kernel.org
Subject: Re: High CPU usage with sata_nv
References: <20070115164541.M22367@elsat.net.pl> <20070115165432.M87238@elsat.net.pl> <20070115182642.GA18374@slug> <20070115222320.M55059@elsat.net.pl> <45B43241.1070301@gmail.com> <loom.20070211T232847-590@post.gmane.org> <45D00DF7.6090605@gmail.com> <loom.20070212T150936-751@post.gmane.org>
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ris wrote:
> Tejun Heo <htejun <at> gmail.com> writes:
> 
>> iowait != cpu busy.  Your cpu idleness stays above 80%.
>>
> 
> 
> Ok ...... but one of my CPU core are at 99% usage ....
> htop report this ....
> 
> So how to solve this problem ?

The red part of cpu usage bar represents 'iowait' not cpu usage.  Fire 
up both top and htop and pay attention to 'Wa' value in top.  You're 
just confused about how the graph is drawn in htop, nothing wrong with 
your system.

-- 
tejun
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