linux-kernel - Re: [DISCUSSION] removing variety rq->cpu

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Message-ID: <51AD735A.2080108@intel.com>
Date:	Tue, 04 Jun 2013 12:55:54 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	Michael Wang <wangyun@...ux.vnet.ibm.com>
CC:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Turner <pjt@...gle.com>, Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Borislav Petkov <bp@...en8.de>,
	Namhyung Kim <namhyung@...nel.org>,
	Mike Galbraith <efault@....de>,
	Morten Rasmussen <morten.rasmussen@....com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Preeti U Murthy <preeti@...ux.vnet.ibm.com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mel Gorman <mgorman@...e.de>, Rik van Riel <riel@...hat.com>
Subject: Re: [DISCUSSION] removing variety rq->cpu_load ?


>>> >> Forgive me but I'm a little lost on this thread...
>>> >>
>>> >> So we are planing to rely on instant 'cpu_load[0]' and decayed
>>> >> 'runnable_load_avg' only, do we?
>> > 
>> > cpu_load is a kind of time decay for cpu load, but after runnable load introduced, 
>> > the decay functionality is a kind duplicate with it.
>> > So, remove them will make code simple. The idea were mentioned by Paul, Peter and I.
> Nice, what about make a patch 9 and clean up all those stuff?
> 
> I suppose we will get more benefit :)

I'd like to.

But since Peter doesn't response this thread for long time, I even don't
know what's he opinions of patch 1~8. :(

-- 
Thanks
    Alex
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