All of lore.kernel.org
 help / color / mirror / Atom feed
From: Thomas Molina <tmolina@cablespeed.com>
To: Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.0 performance problems
Date: Mon, 29 Dec 2003 21:53:13 -0500 (EST)	[thread overview]
Message-ID: <Pine.LNX.4.58.0312292147330.6639@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.58.0312292020190.6227@localhost.localdomain>

> > Under 2.6 top shows:
> > user	nice	system	irq	softirq	iowait	idle
> > 0.9	0	5.3	0.9	0.3	92.6	0
> > 
> > Execution time for the test was:
> > real	22m42.397s
> > user	0m37.753s
> > sys	0m54.043s
> 
> 
> Changing 2.6 to 8 from 255 changed times:
> 
> real    25m39.653s
> user    0m37.594s
> sys     0m55.454s

Changing readahead to 8192 increased the real time to 28 minutes and left 
the user and sys times essentially unchanged.

I've recompiled with profiling support.  I'll give an update on that when 
I can.

  reply	other threads:[~2003-12-30  2:53 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-29 22:07 2.6.0 performance problems Thomas Molina
2003-12-29 22:21 ` Linus Torvalds
2003-12-29 22:58   ` Thomas Molina
2003-12-29 23:04     ` Linus Torvalds
2003-12-30 14:14       ` Thomas Molina
2003-12-30 14:39         ` William Lee Irwin III
2003-12-30 21:14           ` Thomas Molina
2003-12-30 21:23             ` Linus Torvalds
2003-12-31  0:50               ` Thomas Molina
2003-12-31  1:01                 ` Linus Torvalds
2003-12-31  1:34                 ` Andrew Morton
2003-12-31 11:25                   ` bert hubert
2003-12-30 21:35             ` William Lee Irwin III
2003-12-30 23:46             ` Roger Luethi
2003-12-30 18:20         ` Linus Torvalds
2003-12-29 23:14     ` Martin Schlemmer
2003-12-30  5:09       ` William Lee Irwin III
2003-12-30 10:27         ` Thomas Molina
2003-12-29 23:25     ` David B. Stevens
2003-12-29 23:05   ` Thomas Molina
2003-12-29 23:43     ` Martin Schlemmer
2003-12-30  0:17       ` Thomas Molina
2003-12-30  1:23         ` Martin Schlemmer
2003-12-30  1:27         ` Dave Jones
2003-12-30  1:37           ` Martin Schlemmer
2003-12-30  1:40             ` Dave Jones
2003-12-30  1:49             ` Thomas Molina
2003-12-30  2:03               ` Mike Fedyk
2004-01-03 19:37     ` Bill Davidsen
2003-12-30  1:25 ` Roger Luethi
2003-12-30  1:37   ` Thomas Molina
2003-12-30 19:21     ` Andy Isaacson
2003-12-30 19:40       ` William Lee Irwin III
2003-12-30 22:24         ` Roger Luethi
2003-12-31  0:33           ` Thomas Molina
2003-12-31 10:17             ` Roger Luethi
2003-12-31 11:21               ` Jens Axboe
2003-12-31 21:03                 ` Roger Luethi
2004-01-01  1:27                   ` Thomas Molina
2004-01-01 10:23                     ` Roger Luethi
2004-01-01 23:09                 ` Roger Luethi
2004-01-02 10:11                   ` Jens Axboe
2003-12-30  1:27 ` Thomas Molina
2003-12-30  2:53   ` Thomas Molina [this message]
2003-12-30 11:41 Samium Gromoff
2004-01-03 19:54 ` Bill Davidsen
     [not found] ` <200312300855.00741.edt@aei.ca>
2004-01-05 12:33   ` Samium Gromoff
2004-01-05 15:09     ` Ed Tomlinson
2004-01-06  2:23       ` David Lang
2004-01-06 14:44         ` Samium Gromoff

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=Pine.LNX.4.58.0312292147330.6639@localhost.localdomain \
    --to=tmolina@cablespeed.com \
    --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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.