public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Eric St-Laurent <ericstl34@sympatico.ca>
To: Takashi Iwai <tiwai@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: CONFIG_PREEMPT and server workloads
Date: Thu, 18 Mar 2004 22:07:41 -0500	[thread overview]
Message-ID: <1079665660.7609.6.camel@orbiter> (raw)
In-Reply-To: <s5hlllycgz3.wl@alsa2.suse.de>

On Thu, 2004-03-18 at 10:28, Takashi Iwai wrote:

> in my case with reiserfs, i got 0.4ms RT-latency with my test suite
> (with athlon 2200+).
> 
> there is another point to be fixed in the reiserfs journal
> transaction.  then you'll get 0.1ms RT-latency without preemption.

Are you talking about the following patch recently merged in Linus tree?

[PATCH] resierfs: scheduling latency improvements
http://linus.bkbits.net:8080/linux-2.5/cset@40571b49jtE7PzOtsXjBx65-GoDijg

I'm interested to try any patch you might have to help reduce latency
with reiserfs.



  parent reply	other threads:[~2004-03-19  3:07 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-18  4:00 CONFIG_PREEMPT and server workloads Marinos J. Yannikos
2004-03-18  5:12 ` Andrew Morton
2004-03-18  6:03 ` Andrea Arcangeli
2004-03-18  9:50   ` Andrew Morton
2004-03-18 14:51     ` Andrea Arcangeli
2004-03-18 15:34       ` Robert Love
2004-03-18 16:01         ` Andrea Arcangeli
2004-03-18 17:39       ` Andrew Morton
2004-03-18 17:58         ` Andrea Arcangeli
2004-03-18 18:26           ` Andrew Morton
2004-03-18 18:38             ` Andrea Arcangeli
2004-03-18 18:47               ` Andrew Morton
2004-03-18 19:01                 ` Andrea Arcangeli
2004-03-18 17:48       ` Robert Love
2004-03-18 18:00         ` Andrea Arcangeli
2004-03-20 10:48         ` Jamie Lokier
2004-03-19  2:17       ` Nick Piggin
     [not found]         ` <20040319050948.GN2045@holomorphy.com>
2004-03-20 12:14           ` Andrea Arcangeli
2004-03-20 14:51             ` William Lee Irwin III
2004-03-20 15:03               ` Andrea Arcangeli
2004-03-20 15:09                 ` William Lee Irwin III
2004-03-24 13:57                 ` Takashi Iwai
2004-03-24 14:52                   ` Andrea Arcangeli
2004-03-24 15:11                   ` William Lee Irwin III
2004-03-18 15:20     ` Tom Sightler
2004-03-18 15:37       ` Andrea Arcangeli
2004-03-18 23:54         ` Tom Sightler
2004-03-18 15:39       ` Robert Love
2004-03-18 15:28   ` Takashi Iwai
2004-03-18 15:40     ` Robert Love
2004-03-18 15:42     ` Andrea Arcangeli
2004-03-18 19:01     ` Andrew Morton
2004-03-18 19:08       ` Takashi Iwai
2004-03-18 19:18         ` Andrew Morton
2004-03-18 19:20           ` Takashi Iwai
2004-03-18 19:43             ` Andrea Arcangeli
2004-03-18 19:50               ` Takashi Iwai
2004-03-18 19:24         ` Robert Love
2004-03-19 22:03           ` Valdis.Kletnieks
2004-03-19 22:12             ` Robert Love
2004-03-24 15:00               ` Takashi Iwai
2004-03-18 19:16       ` Takashi Iwai
2004-03-18 19:29         ` Andrew Morton
2004-03-18 19:48           ` Chris Mason
2004-03-19 11:37             ` Takashi Iwai
2004-03-19 13:46               ` Chris Mason
2004-03-19 14:06                 ` Takashi Iwai
     [not found]         ` <20040318221006.74246648.akpm@osdl.org>
2004-03-19 10:30           ` Takashi Iwai
2004-03-23  9:14             ` Dipankar Sarma
2004-03-19 17:22           ` Dipankar Sarma
2004-03-19 18:03             ` Andrew Morton
2004-03-20 12:24             ` Andrea Arcangeli
2004-03-20 13:13               ` Dipankar Sarma
2004-03-18 19:39       ` Andrea Arcangeli
2004-03-18 22:32     ` Andrew Morton
2004-03-18 22:54       ` Chris Mason
2004-03-18 23:57         ` Andrew Morton
2004-03-19 20:46           ` Takashi Iwai
2004-03-19 21:08             ` Andrew Morton
2004-03-19  3:07     ` Eric St-Laurent [this message]
2004-03-19 11:23       ` Takashi Iwai
2004-03-19 13:35         ` Chris Mason

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=1079665660.7609.6.camel@orbiter \
    --to=ericstl34@sympatico.ca \
    --cc=linux-kernel@vger.kernel.org \
    --cc=tiwai@suse.de \
    /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