Re: [PATCH v3 07/22] sched: set initial load avg of new forked task

[Alex Shi]

On 01/11/2013 01:10 PM, Preeti U Murthy wrote:
>> >  	update_curr(cfs_rq);
>> > -	enqueue_entity_load_avg(cfs_rq, se, flags & ENQUEUE_WAKEUP);
>> > +	enqueue_entity_load_avg(cfs_rq, se, flags);
>> >  	account_entity_enqueue(cfs_rq, se);
>> >  	update_cfs_shares(cfs_rq);
>> > 
> I had seen in my experiments, that the forked tasks with initial load to
> be 0,would adversely affect the runqueue lengths.Since the load for
> these tasks to pick up takes some time,the cpus on which the forked
> tasks are scheduled, could be candidates for "dst_cpu" many times and
> the runqueue lengths increase considerably.
> 
> This patch solves this issue by making the forked tasks contribute
> actively to the runqueue load.
> 
> Reviewed-by:Preeti U Murthy
> 

Thanks for review, Preeti! :)


-- 
Thanks Alex
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