All of lore.kernel.org
 help / color / mirror / Atom feed
From: Miguel Angel Flores <maf@sombragris.com>
To: linux-kernel@vger.kernel.org
Cc: Joe Hsu <joe@softwell.com.tw>
Subject: Re: Kernel 2.6 with X (xorg) 4.4 (eats more CPU power)
Date: Wed, 01 Dec 2004 11:56:30 +0100	[thread overview]
Message-ID: <41ADA35E.2010801@sombragris.com> (raw)
In-Reply-To: <1101896505.2161.45.camel@joe>

Its just an idea but... ¿Have you configured your 2.6 kernel as a 
Preemptive kernel?

Cheers,
MaF

Joe Hsu escribió:

>     In contrast, I've tried Kernel 2.4 with same X, same 
> program, and same machine. It consumes almost zero of CPU 
> resource( no matter it runs on a P4 1.xG or P4 3.0G and no
> matter it runs on 4.4 or 4.2 X-server).
> 
>     Same phenomenon happened when I ran 4 mpeg4 playback 
> programs (each 320x240, 30 frames per second, no scaling).
> It seems that these programs and X consume almost zero of 
> CPU power when the KERNEL HZ is 100. (I've 
> tried Robert Love's variable HZ patch to kernel 2.4 and 
> change HZ to 1000........Same phenomenon as 2.6)

      parent reply	other threads:[~2004-12-01 10:57 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-01 10:21 Kernel 2.6 with X (xorg) 4.4 (eats more CPU power) Joe Hsu
2004-12-01 10:26 ` Arjan van de Ven
2004-12-02  3:21   ` Kernel 2.6 with X (eats more CPU power)...with test program Joe Hsu
2004-12-01 10:27 ` Kernel 2.6 with X (xorg) 4.4 (eats more CPU power) Arjan van de Ven
2004-12-01 10:56 ` Miguel Angel Flores [this message]

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=41ADA35E.2010801@sombragris.com \
    --to=maf@sombragris.com \
    --cc=joe@softwell.com.tw \
    --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.