linux-kernel - Re: [PATCH] sched: Add nr_running_cpu() to get current of running threads of each core

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Date:	Tue, 14 May 2013 14:39:30 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	mingo@...hat.com, linux-kernel@...r.kernel.org,
	myungjoo.ham@...sung.com, kyungmin.park@...sung.com
Subject: Re: [PATCH] sched: Add nr_running_cpu() to get current of running
 threads of each core

On 05/13/2013 05:59 PM, Peter Zijlstra wrote:
> On Mon, May 13, 2013 at 05:33:12PM +0900, Chanwoo Choi wrote:
>> This patch add nr_running_cpu() function to get current
>> number of running threads of each core.
>>
> Uhm, not without a very good reason. 
>
I am implementing the cpu hotplug policy for reducing
power-consumption in user-space. The cpu hotplug policy
need specific information of each core to know correct
state of each core through specific kernel node like as /proc/sched_stats.
So, I sent only this patch but I didn't send other patchset
because other patch aren't designed according to the kernel
mainline style.

When I develop patchset, I will resend patchset which get
the information of each core for cpu hotplug in user-space.

Thanks,
Chanwoo Choi

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