linux-kernel - Re: [patch] CFS scheduler, -v6

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Date:	Thu, 26 Apr 2007 20:39:07 -0400
From:	Gene Heskett <gene.heskett@...il.com>
To:	Con Kolivas <kernel@...ivas.org>
Cc:	Redeeman <redeeman@...anurb.dk>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Peter Williams <pwil3058@...pond.net.au>,
	Thomas Gleixner <tglx@...utronix.de>, caglar@...dus.org.tr,
	Willy Tarreau <w@....eu>, Mark Lord <lkml@....ca>,
	Zach Carter <linux@...hcarter.com>,
	buddabrod <buddabrod@...il.com>
Subject: Re: [patch] CFS scheduler, -v6

On Thursday 26 April 2007, Con Kolivas wrote:
>On Friday 27 April 2007 00:41, Gene Heskett wrote:
>> On Thursday 26 April 2007, Redeeman wrote:
>> >On Wed, 2007-04-25 at 23:47 +0200, Ingo Molnar wrote:
>> ><snip>
>> >
>> >> As usual, any sort of feedback, bugreport, fix and suggestion is more
>> >> than welcome,
>> >
>> >well, from my experiences with cfs on workstation/desktop, on amd64
>> >2ghz, cfs doesent measure up to SD at all.
>> >
>> >audio skips easily, with or without reniced X, and games are not as
>> >smooth. also it seems to be much lower throughput. vanilla seems much
>> >better by comparisin.
>
>That's a pretty bad regression for CFS to not even play audio without
>stuttering.
>
>> Well, I don't generally feel as if the few stutters I just heard in a cbs
>> news story I just played were anything but dsl glitches here. xmms,
>> playing high quality (Q7) oggs from my own drive are dead smoothly done. 
>> nbc did want to let me play anything because I have adblock enabled, and
>> neither did abc but their anims played nicely, fox news smoothly played
>> everything I clicked on.
>>
>> The only problem I've had so far is with a proprietary daemon from belkin,
>> which took about 10 kills and restarts after I'd booted to 2.6.21-CFS-v6
>> before it quit wanting a steady 40% of the cpu when it was running.  Now
>> it only does that when the bulldog gui is running.  That's not normal
>> either, but getting fixes out of belkin is like breeding elephants, lots
>> of yelling and screaming and it takes 22 months to get results.  My next
>> ups will NOT be a belkin.
>>
>> X is not reniced here, but I did run kmail up to -5.
>>
>> Compared to mainline?  I still think this is a 100% keeper for desktop
>> users like me.
>
>Hi Gene
>
>Have you given up on SD testing then since it's stable and CFS is still
> shiny and new (and written by Ingo) therefore it must be better?

Not necessarily Con.  Do you have a fresh one for 2.6.21?

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
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