linux-kernel - Re: [PATCH] sched: smart wake-affine

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Date:	Mon, 08 Jul 2013 10:49:54 +0800
From:	Michael Wang <wangyun@...ux.vnet.ibm.com>
To:	Mike Galbraith <efault@....de>
CC:	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>, Alex Shi <alex.shi@...el.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Turner <pjt@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Nikunj A. Dadhania" <nikunj@...ux.vnet.ibm.com>,
	Ram Pai <linuxram@...ibm.com>
Subject: Re: [PATCH] sched: smart wake-affine

On 07/07/2013 02:43 PM, Mike Galbraith wrote:
> On Fri, 2013-07-05 at 14:16 +0800, Michael Wang wrote:
> 
>> PeterZ has suggested some optimization which I sent out yesterday, I
>> suppose they haven't been included into this test yet, correct?
> 
> No, that was with both v3 patches applied.  hackbench -l 1000 delta
> tracked to next pull/build fwiw, but I don't see anything noteworthy
> elsewhere, so I'm filing it under "tasks/core ~= zillion ~= hohum".

I see, thanks for the testing, Mike :)

I still can't reproduce the issue on my box, so I suggest we put down
this temporarily, if later more similar report show up, let's try to
catch the point.

BTW, could you please show me the '/proc/cpuinfo' of your box? I'd like
to collect some data for analyse later ;-)

Regards,
Michael Wang

> 
> -Mike
> 
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