Re: [Resend patch v8 06/13] sched: compute runnable load avg in cpu_loadand cpu_avg_load_per_task

[Alex Shi]

On 06/20/2013 10:18 AM, Alex Shi wrote:
> They are the base values in load balance, update them with rq runnable
> load average, then the load balance will consider runnable load avg
> naturally.
> 
> We also try to include the blocked_load_avg as cpu load in balancing,
> but that cause kbuild performance drop 6% on every Intel machine, and
> aim7/oltp drop on some of 4 CPU sockets machines.
> Or only add blocked_load_avg into get_rq_runable_load, hackbench still
> drop a little on NHM EX.
> 
> Signed-off-by: Alex Shi <alex.shi@xxxxxxxxx>
> Reviewed-by: Gu Zheng <guz.fnst@xxxxxxxxxxxxxx>


I am sorry for still having some swing on cfs and rt task load consideration. 
So give extra RFC patch to consider RT load in balance.
With or without this patch, my test result has no change, since there is no 
much RT tasks in my testing.

I am not familiar with RT scheduler, just rely on PeterZ who is experts on this. :)

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