Re: [PATCH v3 09/22] sched: compute runnable load avg in cpu_loadand cpu_avg_load_per_task

From: Alex Shi
Date: Tue Jan 22 2013 - 21:00:14 EST


On 01/23/2013 09:47 AM, Mike Galbraith wrote:
> On Wed, 2013-01-23 at 08:36 +0800, Alex Shi wrote:
>> On 01/22/2013 05:52 PM, Mike Galbraith wrote:
>>> On Tue, 2013-01-22 at 15:50 +0800, Alex Shi wrote:
>>>
>>>> Thanks for your suggestions and example, Mike!
>>>> I just can't understand the your last words here, Sorry. what the
>>>> detailed concern of you on 'both performance profiles with either
>>>> metric'? Could you like to give your preferred solutions?
>>>
>>> Hm.. I'll try rephrasing. Any power saving gain will of necessity be
>>> paid for in latency currency. I don't have a solution other than make a
>>> button, let the user decide whether history influences fast path task
>>> placement or not. Any other decision maker will get it wrong.
>>
>> Um, if no other objection, I'd like to move the runnable load only used
>> for power friendly policy -- for this patchset, they are 'powersaving'
>> and 'balance', Can I?
>
> Yeah, that should work be fine.

Thanks for comments! :)
>
> -Mike
>


--
Thanks Alex
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