linux-kernel - Re: [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]

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Message-ID: <20070421073905.GA28073@wotan.suse.de>
Date:	Sat, 21 Apr 2007 09:39:05 +0200
From:	Nick Piggin <npiggin@...e.de>
To:	Bill Davidsen <davidsen@....com>
Cc:	Ingo Molnar <mingo@...e.hu>, Bill Huey <billh@...ppy.monkey.org>,
	Mike Galbraith <efault@....de>,
	Peter Williams <pwil3058@...pond.net.au>,
	linux-kernel@...r.kernel.org, ck list <ck@....kolivas.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [Announce] [patch] Modular Scheduler Core and Completely   Fair Scheduler [CFS]

On Fri, Apr 20, 2007 at 04:47:27PM -0400, Bill Davidsen wrote:
> Ingo Molnar wrote:
> 
> >( Lets be cautious though: the jury is still out whether people actually 
> >  like this more than the current approach. While CFS feedback looks 
> >  promising after a whopping 3 days of it being released [ ;-) ], the 
> >  test coverage of all 'fairness centric' schedulers, even considering 
> >  years of availability is less than 1% i'm afraid, and that < 1% was 
> >  mostly self-selecting. )
> >
> All of my testing has been on desktop machines, although in most cases 
> they were really loaded desktops which had load avg 10..100 from time to 
> time, and none were low memory machines. Up to CFS v3 I thought 
> nicksched was my winner, now CFSv3 looks better, by not having stumbles 
> under stupid loads.

What base_timeslice were you using for nicksched, and what HZ?

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