linux-kernel - Re: [patch v4 0/18] sched: simplified fork, release load avg and power awareness scheduling

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Message-ID: <5105D442.9090401@intel.com>
Date:	Mon, 28 Jan 2013 09:28:34 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	Alex Shi <alex.shi@...el.com>
CC:	torvalds@...ux-foundation.org, mingo@...hat.com,
	peterz@...radead.org, tglx@...utronix.de,
	akpm@...ux-foundation.org, arjan@...ux.intel.com, bp@...en8.de,
	pjt@...gle.com, namhyung@...nel.org, efault@....de,
	vincent.guittot@...aro.org, gregkh@...uxfoundation.org,
	preeti@...ux.vnet.ibm.com, viresh.kumar@...aro.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch v4 0/18] sched: simplified fork, release load avg and
 power awareness scheduling

On 01/24/2013 11:06 AM, Alex Shi wrote:
> Since the runnable info needs 345ms to accumulate, balancing
> doesn't do well for many tasks burst waking. After talking with Mike
> Galbraith, we are agree to just use runnable avg in power friendly 
> scheduling and keep current instant load in performance scheduling for 
> low latency.
> 
> So the biggest change in this version is removing runnable load avg in
> balance and just using runnable data in power balance.
> 
> The patchset bases on Linus' tree, includes 3 parts,

Would you like to give some comments, Ingo? :)

Best regards!


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