linux-kernel - Re: [PATCH 2/3] sched: idle: Add sched balance option

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Date:	Wed, 30 Apr 2014 00:02:11 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Morten Rasmussen <morten.rasmussen@....com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Amit Kucheria <amit.kucheria@...aro.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Ingo Molnar <mingo@...e.hu>,
	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] sched: idle: Add sched balance option

On Tuesday, April 29, 2014 11:50:02 AM Morten Rasmussen wrote:
> On Sun, Apr 27, 2014 at 02:23:24PM +0100, Rafael J. Wysocki wrote:

[cut]

> > The same applies to the maximum sustainable power draw limit more or less.
> > While it generally changes between "on battery" and "on AC power", it may also
> > depend on other factors like the capacity of the available power supply for a
> > data center.
> 
> I haven't given maximum power draw much thought, but it is a third
> objective independent of energy efficiency even though methods for
> improving energy efficiency (such as disabling expensive DVFS states)
> might be useful for this as well.

Yes, it is an independent objective.

Thanks!

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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