Re: [PATCH 2/2] sched: add statistic for rq->max_idle_balance_cost

[Alex Shi]

On 01/23/2014 02:10 AM, Jason Low wrote:
>>> > >  	P64(avg_idle);
>>> > > +	P64(max_idle_balance_cost);
>>> > >  #endif
>>> > >   	P(ttwu_count);
>> > 
>> > Not also the per-sd value in sd_alloc_ctl_domain_table() ?
> Yeah, tracking the sd->max_newidle_lb_cost can also be useful.
> 
> 

Thanks for suggestion!

I thought the sd->max_newidle_lb_cost keep changing. But yes, it's
still meaningful. 
BTW, in the pandaboard ES, sd balance cost is about 1~2ms.

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