linux-kernel - Re: RSDL v0.30 cpu scheduler for mainline kernels

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Date:	Sat, 17 Mar 2007 16:27:51 +0200 (EET)
From:	Szonyi Calin <caszonyi@...il.com>
To:	Con Kolivas <kernel@...ivas.org>
cc:	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	ck list <ck@....kolivas.org>
Subject: Re: RSDL v0.30 cpu scheduler for mainline kernels

On Mon, 12 Mar 2007, Con Kolivas wrote:

> There are updated patches for 2.6.20, 2.6.20.2, 2.6.21-rc3 and 2.6.21-rc3-mm2
> to bring RSDL up to version 0.30 for download here:
>
> Full patches:
>
> http://ck.kolivas.org/patches/staircase-deadline/2.6.20-sched-rsdl-0.30.patch
> http://ck.kolivas.org/patches/staircase-deadline/2.6.20.2-rsdl-0.30.patch
> http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc3-sched-rsdl-0.30.patch
> http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc3-mm2-rsdl-0.30.patch
>

Works fine here. Better than mainline. I can listen music from a video dvd 
while browsing with opera and amule running. In mainline (CFQ scheduler) i 
cannot do this because the sound skips badly. With RSDL there are very few 
skips, they are shorter and related on a particular event - in this case 
clicking a link in Opera browser.

Now system info:
CPU:  AMD Duron 700 MHz, MB chipset VIAKT133 (UDMA 66), memory 384172 kB 
(reported by /proc/meminfo).

Kernel is 2.6.21-rc3 #3 PREEMPT with RSDL 0.30 patches.

Thanks

Bye
Calin

P.S. As a side note: in mainline the cpu was distributed almost equally 
between different tasks which favoured the big cpu hogs (amule and opera). 
Now, in RSDL the mplayer gets a bigger stake

--

"frate, trezeste-te, aici nu-i razboiul stelelor"
 				Radu R. pe offtopic at lug.ro

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