linux-kernel - Re: [PATCH 7/7] ondemand: Solve the big performance issue with ondemand during disk IO

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Message-ID: <20100423090819.4273b327@infradead.org>
Date:	Fri, 23 Apr 2010 09:08:19 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Thomas Renninger <trenn@...e.de>
Cc:	Willy Tarreau <w@....eu>, Pavel Machek <pavel@....cz>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	mingo@...e.hu, peterz@...radead.org, tglx@...utronix.de,
	davej@...hat.com, cpufreq@...r.kernel.org
Subject: Re: [PATCH 7/7] ondemand: Solve the big performance issue with
 ondemand during disk IO

On Fri, 23 Apr 2010 10:50:10 +0200
Thomas Renninger <trenn@...e.de> wrote:
 Especially on battery, users will appreciate some minutes
> of more battery lifetime and do not care about some ms of IO
> latencies. 

the assumption that power doesn't matter on AC is a huge fiction
that any data center operator would love to get out of everyones head
as quickly as possible.




-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
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