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

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Message-ID: <20070415235421.GF2986@holomorphy.com>
Date:	Sun, 15 Apr 2007 16:54:21 -0700
From:	William Lee Irwin III <wli@...omorphy.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Willy Tarreau <w@....eu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Nick Piggin <npiggin@...e.de>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Con Kolivas <kernel@...ivas.org>,
	Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jiri Slaby <jirislaby@...il.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]

* William Lee Irwin III <wli@...omorphy.com> wrote:
>> I've been suggesting testing CPU bandwidth allocation as influenced by 
>> nice numbers for a while now for a reason.

On Sun, Apr 15, 2007 at 09:57:48PM +0200, Ingo Molnar wrote:
> Oh I was very much testing "CPU bandwidth allocation as influenced by 
> nice numbers" - it's one of the basic things i do when modifying the 
> scheduler. An automated tool, while nice (all automation is nice) 
> wouldnt necessarily show such bugs though, because here too it needed 
> thousands of running tasks to trigger in practice. Any volunteers? ;)

Worse comes to worse I might actually get around to doing it myself.
Any more detailed descriptions of the test for a rainy day?


-- wli
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