Re: scheduler scalability - cgroups, cpusets andload-balancing

[Gregory Haskins]

>>> On Tue, Jan 29, 2008 at  7:12 AM, in message
<20080129061202.95b66041.pj@xxxxxxx>, Paul Jackson <pj@xxxxxxx> wrote: 
> Peter, replying to Paul:
>> >  3) you turn off sched_load_balance in that realtime cpuset.
>> 
>> Ah, I don't think 3 is needed. Quite to the contrary, there is quite a
>> large body of research work covering the scheduling of (hard and soft)
>> realtime tasks on multiple cpus.
> 
> Well, the way it's coded now, the user space code needs to do (3),
> because that's the only way they get the system to have anything
> other than one big fat sched domain covering the all the CPUs in
> the system.

What about exclusive cpusets?  Don't they create a new sched-domain or did I misunderstand there?

-Greg

> 
> Actually ... I need a picture of a bunny with a pancake hat here,
> as I have no idea what you just said ;).




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