Re: [RFC PATCH] sched: find the latest idle cpu

[Alex Shi]

On 01/15/2014 03:35 PM, Peter Zijlstra wrote:
> On Wed, Jan 15, 2014 at 12:07:59PM +0800, Alex Shi wrote:
>> Currently we just try to find least load cpu. If some cpus idled,
>> we just pick the first cpu in cpu mask.
>>
>> In fact we can get the interrupted idle cpu or the latest idled cpu,
>> then we may get the benefit from both latency and power.
>> The selected cpu maybe not the best, since other cpu may be interrupted
>> during our selecting. But be captious costs too much.
> 
> No, we should not do anything like this without first integrating
> cpuidle.
> 
> At which point we have a sane view of the idle states and can make a
> sane choice between them.
> 


Daniel,

Any comments to make it better?

-- 
Thanks
    Alex
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