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From: "Alex,Shi" <alex.shi@intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: "ncrao@google.com" <ncrao@google.com>,
	"mingo@elte.hu" <mingo@elte.hu>,
	"Chen, Tim C" <tim.c.chen@intel.com>,
	"Li, Shaohua" <shaohua.li@intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	len.brown@intel.com
Subject: Re: power increase issue on light load
Date: Tue, 28 Jun 2011 08:02:09 +0800	[thread overview]
Message-ID: <1309219329.14604.11.camel@debian> (raw)
In-Reply-To: <1308876099.23204.124.camel@debian>

> > 
> > What happens if you try something like the below. Increased imbalance
> > might lead to more load-balance action, which might lead to more task
> > migration/waking up of cpus etc.
> > 
> > If the below makes any difference, Nikhil's changes have a funny that
> > needs to be caught.
> 
> Yes, it most remove the commit effect, So the power recovered. 
> 
> In fact the only suspicious I found is large imbalance, but that is
> the commit want ...

Any further comments for this? 




  reply	other threads:[~2011-06-28  0:03 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-23  2:43 power increase issue on light load Alex,Shi
2011-06-23  9:02 ` Peter Zijlstra
2011-06-24  0:41   ` Alex,Shi
2011-06-28  0:02     ` Alex,Shi [this message]
2011-06-28 14:59       ` Peter Zijlstra
2011-06-28 17:13         ` Nikhil Rao
2011-06-29  2:30           ` Nikhil Rao
2011-06-29  3:22             ` Alex,Shi
2011-06-29  6:55               ` Alex,Shi
2011-06-30  0:26                 ` Nikhil Rao
2011-06-30  8:38                   ` Alex,Shi
2011-06-30  0:07             ` Nikhil Rao
2011-06-30  8:34               ` Alex,Shi
2011-07-01  5:44 ` Ming Lei
2011-07-01 18:00   ` Nikhil Rao
2011-07-01 23:51     ` Ming Lei
2011-07-04  0:45     ` Alex,Shi

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