linux-kernel - Re: [discussion]sched: a rough proposal to enable power saving in scheduler

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Message-ID: <502C7F24.6020900@intel.com>
Date:	Thu, 16 Aug 2012 13:03:32 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
CC:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	vincent.guittot@...aro.org, svaidy@...ux.vnet.ibm.com,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [discussion]sched: a rough proposal to enable power saving in
 scheduler

On 08/16/2012 12:19 AM, Matthew Garrett wrote:

> On Mon, Aug 13, 2012 at 08:21:00PM +0800, Alex Shi wrote:
> 
>> power aware scheduling), this proposal will adopt the
>> sched_balance_policy concept and use 2 kind of policy: performance, power.
> 
> Are there workloads in which "power" might provide more performance than 
> "performance"? If so, don't use these terms.
> 


Power scheme should no chance has better performance in design.
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