From: Tommy Vercetti <vercetti@zlew.org>
To: Paolo Ornati <ornati@fastwebnet.it>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.21.1 - 97% wait time on IDE operations
Date: Sat, 26 May 2007 16:07:49 +0200 [thread overview]
Message-ID: <200705261607.49416@gj-laptop> (raw)
In-Reply-To: <20070526155223.1bedba5a@localhost>
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@puppet:~$ 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
next prev parent reply other threads:[~2007-05-26 14:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-26 13:05 2.6.21.1 - 97% wait time on IDE operations Tommy Vercetti
2007-05-26 13:52 ` Paolo Ornati
2007-05-26 14:07 ` Tommy Vercetti [this message]
2007-05-26 15:56 ` Paolo Ornati
2007-05-26 14:39 ` Julio M. Merino Vidal
2007-05-26 15:13 ` Ray Lee
2007-05-26 15:46 ` Tommy Vercetti
2007-05-26 16:07 ` Ray Lee
2007-05-27 10:22 ` Tommy Vercetti
2007-05-27 12:02 ` Alan Cox
2007-05-27 18:17 ` Clemens Koller
2007-05-28 9:51 ` Benny Amorsen
2007-05-28 19:22 ` Alan Cox
2007-05-26 15:23 ` Guillaume Chazarain
2007-05-29 20:32 ` Bill Davidsen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200705261607.49416@gj-laptop \
--to=vercetti@zlew.org \
--cc=linux-kernel@vger.kernel.org \
--cc=ornati@fastwebnet.it \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox