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Subject: Re: power increase issue on light load
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>,
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Date: Tue, 28 Jun 2011 08:02:09 +0800
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> > 
> > 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?