From: Tejun Heo <htejun@gmail.com>
To: ris <ris@elsat.net.pl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: High CPU usage with sata_nv
Date: Mon, 12 Feb 2007 08:18:19 -0800 [thread overview]
Message-ID: <45D0934B.1060400@gmail.com> (raw)
In-Reply-To: <loom.20070212T150936-751@post.gmane.org>
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
next prev parent reply other threads:[~2007-02-12 16:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070115164541.M22367@elsat.net.pl>
2007-01-15 16:54 ` High CPU usage with sata_nv ris
2007-01-15 18:26 ` Frederik Deweerdt
2007-01-15 22:28 ` ris
2007-01-22 3:40 ` Tejun Heo
2007-02-11 22:31 ` ris
2007-02-12 6:49 ` Tejun Heo
2007-02-12 14:11 ` ris
2007-02-12 16:18 ` Tejun Heo [this message]
2007-02-12 20:02 ` Matthew Fredrickson
2007-02-12 20:09 ` Tejun Heo
[not found] <fa.1OWRIIUBXsZOXflsGLA+7d4YCc0@ifi.uio.no>
[not found] ` <fa.A0XBTh7eCfsh11d3AhMO71/4xQU@ifi.uio.no>
[not found] ` <fa.fCm35VohC2wt9vlkg94Ru7me4ic@ifi.uio.no>
[not found] ` <fa.qDqCne4pXntL0PolSS2j8t4py3g@ifi.uio.no>
[not found] ` <fa.8TboLRab6f7zzIWFr/JPM6q04Zo@ifi.uio.no>
[not found] ` <fa.PMqnzxUBiShkWV4h9SiztNIwYc0@ifi.uio.no>
2007-02-21 3:43 ` Robert Hancock
2007-02-21 15:28 ` Matthew Fredrickson
2007-02-21 18:04 ` Lee Revell
2007-02-22 2:34 ` Robert Hancock
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