linux-kernel - Re: 2.6.21.1 - 97% wait time on IDE operations

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Message-Id: <200705261607.49416@gj-laptop>
Date:	Sat, 26 May 2007 16:07:49 +0200
From:	Tommy Vercetti <vercetti@...w.org>
To:	Paolo Ornati <ornati@...twebnet.it>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.21.1 - 97% wait time on IDE operations

On Saturday 26 May 2007 15:52, Paolo Ornati wrote:
> On Sat, 26 May 2007 15:05:38 +0200
> It means that the disk is slow and the CPU is fast... so while the disk
> is busy seeking and reading data the CPU has nothing to do but wait for
> it.
>
> Idle == CPU has nothing to do
> Waiting == CPU has nothing to do, but it will have as soon as the slow
> 	disk (or whatever) delivers data
mhm.

> Anyway 97% is quite high... what CPU / Hard Disk do you have?
Intel(R) Pentium(R) M processor 1400MHz
TOSHIBA MK8025GAS

> What kernel version?
2.6.21.1
> I/O scheduler? (cat /sys/block/DEVICE/queue/scheduler)
gj@...pet:~$ cat /sys/block/hda/queue/scheduler
noop anticipatory deadline [cfq]

> Filesystem?
reiser3
> And what time of "operations" are you doing?
apt-get install, vmware

-- 
Vercetti
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