public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Pavel Machek <pavel@suse.cz>
To: Konstantin Sobolev <kos@supportwizard.com>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: poor sata performance on 2.6
Date: Thu, 15 Apr 2004 21:50:53 +0200	[thread overview]
Message-ID: <20040415195053.GP468@openzaurus.ucw.cz> (raw)
In-Reply-To: <200404150236.05894.kos@supportwizard.com>

Hi!

> I recently got a new sata disk and must say that it's performace is totally 
> unacceptable, on both siimage and sata_sil drivers. DMA is turned on.
...
> /dev/hde:
>  Timing buffer-cache reads:   1436 MB in  2.00 seconds = 717.03 MB/sec
>  Timing buffered disk reads:  100 MB in  3.03 seconds =  32.95 MB/sec

33MB/sec "totally unacceptable"? Wow.

> * Did you receive a proper socialist education?			      

Only half of it ;-)

-- 
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms         


  parent reply	other threads:[~2004-04-15 20:41 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-14 22:36 poor sata performance on 2.6 Konstantin Sobolev
2004-04-15  3:54 ` Ryan Geoffrey Bourgeois
2004-04-15 10:55   ` Konstantin Sobolev
2004-04-15 12:02     ` Justin Cormack
2004-04-15 13:34       ` Konstantin Sobolev
2004-04-15 14:00         ` Justin Cormack
2004-04-15 14:26           ` Konstantin Sobolev
2004-04-15 14:33             ` Justin Cormack
2004-04-15 14:48               ` Konstantin Sobolev
2004-04-15 14:52                 ` Prakash K. Cheemplavam
2004-04-15 17:30                 ` Denis Vlasenko
2004-04-16  1:05                   ` Jeff Garzik
2004-04-16 14:48                     ` Denis Vlasenko
2004-04-16 16:59                       ` Konstantin Sobolev
2004-04-16 17:46                       ` cira
2004-04-20 12:41                     ` Prakash K. Cheemplavam
2004-04-15 15:51     ` Ryan Geoffrey Bourgeois
2004-04-15 23:34       ` Simon Koch
2004-04-16  0:11         ` poor sata performance on 2.6 - Promise SX4 Ryan Geoffrey Bourgeois
2004-04-16  1:03         ` poor sata performance on 2.6 Jeff Garzik
2004-04-19 16:45           ` Henrik Gustafsson
2004-04-19 16:56             ` Jeff Garzik
2004-04-15  7:12 ` Lenar Lõhmus
2004-04-15 10:40   ` Konstantin Sobolev
2004-04-15 12:37     ` Denis Vlasenko
2004-04-15 12:57       ` Lenar Lõhmus
2004-04-15 16:54         ` Denis Vlasenko
2004-04-15 13:05       ` Konstantin Sobolev
2004-04-15 19:50 ` Pavel Machek [this message]
2004-04-15 21:13   ` Konstantin Sobolev

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=20040415195053.GP468@openzaurus.ucw.cz \
    --to=pavel@suse.cz \
    --cc=kos@supportwizard.com \
    --cc=linux-ide@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    /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