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SubjectRe: [RFC PATCH 0/5] introduce sched-idle balancing
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On 2/24/22 11:29 PM, Vincent Guittot Wrote:
> On Thu, 24 Feb 2022 at 16:20, Peter Zijlstra <peterz@infradead.org> wrote:
>>
>> On Thu, Feb 17, 2022 at 11:43:56PM +0800, Abel Wu wrote:
>>> Current load balancing is mainly based on cpu capacity
>>> and task util, which makes sense in the POV of overall
>>> throughput. While there still might be some improvement
>>> can be done by reducing number of overloaded cfs rqs if
>>> sched-idle or idle rq exists.
>>
>> I'm much confused, there is an explicit new-idle balancer and a periodic
>> idle balancer already there.
>
> I agree, You failed to explain why newly_idle and periodic idle load
> balance are not enough and we need this new one

Hi Vincent, sorry for not giving a clearer explanation. Please check
my previous email replying to Peter, thanks.

Best Regards,
Abel

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