linux-kernel - Re: [patch v5 10/15] sched: packing transitory tasks in wake/exec power balancing

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Message-ID: <51248F59.2060900@intel.com>
Date:	Wed, 20 Feb 2013 16:54:49 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	Mike Galbraith <efault@....de>
CC:	peterz@...radead.org, Joonsoo Kim <iamjoonsoo.kim@....com>,
	torvalds@...ux-foundation.org, mingo@...hat.com,
	tglx@...utronix.de, akpm@...ux-foundation.org,
	arjan@...ux.intel.com, bp@...en8.de, pjt@...gle.com,
	namhyung@...nel.org, vincent.guittot@...aro.org,
	gregkh@...uxfoundation.org, preeti@...ux.vnet.ibm.com,
	viresh.kumar@...aro.org, linux-kernel@...r.kernel.org,
	morten.rasmussen@....com
Subject: Re: [patch v5 10/15] sched: packing transitory tasks in wake/exec
 power balancing

On 02/20/2013 04:43 PM, Mike Galbraith wrote:
>> > 
>> > Sounds reasonable too.
>> > 
>> > I have no idea of the of the decision now.
>> > And guess many guys dislike to use a knob to let user do the choice.
> Nobody likes seeing yet more knobs much, automagical is preferred.
> Trouble with automagical heuristics usage is that any heuristic will
> inevitably get it wrong sometimes, so giving the user control over usage
> is IMHO a good thing.. and once we give the user the choice, we must
> honor it, else what was the point?
> 
> Anyway, fwiw, I liked what I saw test driving the patch set..
> 
>> > What's your opinions, Peter?
> ..but maintainer opinions carry more weight than mine, even to me ;-)

:) Yes, maintainers usually heard enough arguments and can balance them...


-- 
Thanks Alex
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