linux-kernel - Re: Plumbers: Tweaking scheduler policy micro-conf RFP

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Date:	Wed, 23 May 2012 17:59:26 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Chen <hi3766691@...il.com>, Peter Zijlstra <peterz@...radead.org>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: Plumbers: Tweaking scheduler policy micro-conf RFP


* Joe Perches <joe@...ches.com> wrote:

> On Wed, 2012-05-23 at 17:50 +0200, Ingo Molnar wrote:
> > * Joe Perches <joe@...ches.com> wrote:
> > >
> > > In a 1000 cpu config, there also an extra 500+ bytes per cpu
> > > in printk (I don't think that's particularly important btw)
> >
> > A 1000 cpu piece of hardware will have a terabyte of RAM or 
> > more. 0.5K per CPU is reasonable.
> 
> That's not fundamentally true, [...]

Compared to the known alternatives it's pretty fundamentally 
true.

Thanks,

	Ingo
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