Re: [RFC PATCH 0/5] introduce sched-idle balancing

[Vincent Guittot]

On Thu, 24 Feb 2022 at 16:20, Peter Zijlstra <peterz@xxxxxxxxxxxxx> 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