On 05/06/2013 04:53 PM, Paul Turner wrote:
>> > +static unsigned long task_h_load_avg(struct task_struct *p)
>> > +{
>> > + return div_u64(task_h_load(p) * (u64)p->se.avg.runnable_avg_sum,
>> > + p->se.avg.runnable_avg_period + 1);
> Similarly, I think you also want to at least include blocked_load_avg here.
>
> More fundamentally:
> I suspect the instability from comparing these to an average taken on
> them will not give a representative imbalance weight. While we should
> be no worse off than the present situation; we could be doing much
> better.
>
> Consider that by not consuming {runnable, blocked}_load_avg directly
> you are "hiding" the movement from one load-balancer to the next.
Sure, sounds reasonable, I will try it.
--
Thanks
Alex
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