From: Michael wang <wangyun@linux.vnet.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <bitbucket@online.de>,
Ingo Molnar <mingo@kernel.org>, Paul Turner <pjt@google.com>,
Rik van Riel <riel@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH] sched: Avoid select_idle_sibling() for wake_affine(.sync=true)
Date: Fri, 27 Sep 2013 09:19:13 +0800 [thread overview]
Message-ID: <5244DD11.30806@linux.vnet.ibm.com> (raw)
In-Reply-To: <20130926154419.GF3657@laptop.programming.kicks-ass.net>
On 09/26/2013 11:44 PM, Peter Zijlstra wrote:
> On Thu, Sep 26, 2013 at 11:09:46PM +0800, Michael wang wrote:
>>> + if (sync)
>>> + p->se.last_sync_wakeup = sched_clock_cpu(cpu);
>>
>> Forgive me but I'm trying to understand it... why not 'current' but 'p'
>> here? we want the get off speed of waker or the working time of wakee?
>
> Because I'm an idiot? ;-)
Well, I know you are full of good ideas ;-)
Regards,
Michael Wang
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prev parent reply other threads:[~2013-09-27 1:19 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-25 7:53 [RFC][PATCH] sched: Avoid select_idle_sibling() for wake_affine(.sync=true) Peter Zijlstra
2013-09-25 8:56 ` Mike Galbraith
2013-09-26 2:50 ` Michael wang
2013-09-26 3:41 ` Mike Galbraith
2013-09-26 5:12 ` Michael wang
2013-09-26 5:34 ` Mike Galbraith
2013-09-26 6:15 ` Mike Galbraith
2013-09-26 6:32 ` Michael wang
2013-09-26 7:09 ` Mike Galbraith
2013-09-26 7:26 ` Michael wang
2013-09-26 9:58 ` Peter Zijlstra
2013-09-26 10:05 ` Peter Zijlstra
2013-09-26 10:55 ` Paul Turner
2013-09-26 11:16 ` Peter Zijlstra
2013-09-26 11:39 ` Paul Turner
2013-09-26 14:35 ` Peter Zijlstra
2013-09-26 15:43 ` Peter Zijlstra
2013-09-26 13:46 ` Mike Galbraith
2013-09-26 15:09 ` Michael wang
2013-09-26 15:44 ` Peter Zijlstra
2013-09-27 1:19 ` Michael wang [this message]
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