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)
prev 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]
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