linux-kernel - Re: [patch v3 0/8] sched: use runnable avg in load balance

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Date:	Wed, 10 Apr 2013 21:12:20 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	Alex Shi <alex.shi@...el.com>, peterz@...radead.org
CC:	mingo@...hat.com, tglx@...utronix.de, akpm@...ux-foundation.org,
	arjan@...ux.intel.com, bp@...en8.de, pjt@...gle.com,
	namhyung@...nel.org, efault@....de, morten.rasmussen@....com,
	vincent.guittot@...aro.org, gregkh@...uxfoundation.org,
	preeti@...ux.vnet.ibm.com, viresh.kumar@...aro.org,
	linux-kernel@...r.kernel.org, len.brown@...el.com,
	rafael.j.wysocki@...el.com, jkosina@...e.cz,
	clark.williams@...il.com, tony.luck@...el.com,
	keescook@...omium.org, mgorman@...e.de, riel@...hat.com
Subject: Re: [patch v3 0/8] sched: use runnable avg in load balance

On 04/09/2013 01:08 PM, Alex Shi wrote:
> On 04/02/2013 11:23 AM, Alex Shi wrote:
>> > This version resolved the aim7 liked benchmark issue by patch 8th.
>> > Thanks for MikeG's avg_idle that is a good bursty wakeup indicator.
>> > 
>> > The first 3 patches were also include in my power aware scheduling patchset.
>> > 
>> > Morten, you can rebase your patch on this new version that bases on latest
>> > Linus tree. :)
>> > 
>> > a git tree for this patchset:
>> > 	https://github.com/alexshi/power-scheduling.git runnablelb
> I removed the 3rd and 8th patches, left 1,2,4,5,6,7. and updated them in
> above git tree.
> 
> I tested the kbuild, specjbb2005, aim9, fileio-cfq, hackbench and
> dbench. on my NHM EP and 2 sockets SNB EP box. hackbench increased 3~5%
> on both machines. kbuild has suspicious 2% increase. others has no clear
> change.

This patchset has tested by ARM guys and Michael. None of regression found.

Peter, could you like to give some comments?

-- 
Thanks
    Alex
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