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Date: Thu, 13 Dec 2012 10:51:26 +0800
From: Alex Shi <alex.shi@intel.com>
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To: Vincent Guittot <vincent.guittot@linaro.org>
CC: Alex Shi <lkml.alex@gmail.com>, Amit Kucheria <amit.kucheria@linaro.org>,
        Arjan van de Ven <arjan@linux.intel.com>,
        Borislav Petkov <bp@alien8.de>, rob@landley.net, mingo@redhat.com,
        peterz@infradead.org, gregkh@linuxfoundation.org,
        andre.przywara@amd.com, rjw@sisk.pl, paul.gortmaker@windriver.com,
        akpm@linux-foundation.org, paulmck@linux.vnet.ibm.com,
        linux-kernel@vger.kernel.org, pjt@google.com,
        Preeti U Murthy <preeti@linux.vnet.ibm.com>
Subject: Re: [PATCH 0/18] sched: simplified fork, enable load average into
 LB and power awareness scheduling
References: <1355127754-8444-1-git-send-email-alex.shi@intel.com> <CAGjg+kGAokK0oOAOJL=apkcyi_deqtHHsaJCViCz9tOMKG56bw@mail.gmail.com> <50C722AC.3080806@intel.com> <20121211154819.GC8873@liondog.tnic> <50C75935.1040004@linux.intel.com> <20121211161320.GA28827@liondog.tnic> <50C76208.107@linux.intel.com> <CAHLCerPy2+-t0mAwn3nEAd2CRMmyqCLVTO3j2zua1P4uDE1BPA@mail.gmail.com> <CAGjg+kHTvQe4NBTf41oSanZ9WBvFHsRPFqT4MdW9Sft=pOd5HA@mail.gmail.com> <CAKfTPtC+=-zvQ=NyVyDto76SfJY=90e4mrkJ0DGH-_PVpBg3EQ@mail.gmail.com>
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On 12/12/2012 10:21 PM, Vincent Guittot wrote:
>>> >> If Linux is to continue to work efficiently on heterogeneous
>>> >> multi-processing platforms, it needs to provide scheduling mechanisms
>>> >> that can be exploited as per the demands of the HW architecture.
>> >
>> > Linus definitely disagree such ideas. :) So, need to summaries the
>> > logical beyond all hardware.
>> >
>>> >> example is the "small task packing (and spreading)" for which Vincent
>>> >> Guittot has posted a patchset[1] earlier and so has Alex now.
>> >
>> > Sure. I just thought my patchset should handled the 'small task
>> > packing' scenario. Could you guy like to have a try?
> Hi Alex,
> 
> Yes, I will do a try with your patchset when i will have some spare time

Thanks Vincent! the balance and powersaving policy should have effect.