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

[Abel Wu]

On 2/24/22 11:29 PM, Vincent Guittot Wrote:
> 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

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

Best Regards,
	Abel