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Date: Tue, 28 Jun 2011 10:13:24 -0700 From: Nikhil Rao <ncrao@...gle.com> To: Peter Zijlstra <peterz@...radead.org> Cc: "Alex, Shi" <alex.shi@...el.com>, "mingo@...e.hu" <mingo@...e.hu>, "Chen, Tim C" <tim.c.chen@...el.com>, "Li, Shaohua" <shaohua.li@...el.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, len.brown@...el.com Subject: Re: power increase issue on light load On Tue, Jun 28, 2011 at 7:59 AM, Peter Zijlstra <peterz@...radead.org> wrote: > On Tue, 2011-06-28 at 08:02 +0800, Alex,Shi wrote: >> > > >> > > 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? > > I had a look over all that stuff, but I couldn't find an obvious unit > mis-match in any of the imbalance code. Nikhil any clue? > Sorry for the late reply. My mailbox filters failed me :-( Alex -- I'm looking into this issue. Will get back to you soon. -Thanks, Nikhil -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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