Re: [patch v3 0/8] sched: use runnable avg in load balance

[Alex Shi]

On 04/03/2013 03:18 PM, Michael Wang wrote:
>> > the following patch include the renamed knob, and you can tune it under 
>> > /proc/sys/kernel/... to see detailed impact degree.
> Could I make the conclusion that the improvement on pgbench was caused
> by the new weighted_cpuload()?

guess too.
> 
> The burst branch seems to just adopt the load in old world, if reduce
> the rate to enter that branch could regain the benefit, then I could
> confirm my supposition.
> 
>> > 
>> > +	if (cpu_rq(this_cpu)->avg_idle < sysctl_sched_migration_cost ||
>> > +		cpu_rq(prev_cpu)->avg_idle < sysctl_sched_migration_cost)
> It should be 'sysctl_sched_burst_threshold' here, isn't it? anyway, I
> will take a try with different rate.

Ops, sth wrong in my git operation.

-- 
Thanks Alex
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