[RFC PATCH v2 3/6] sched: pack small tasks

[Alex Shi]

On 12/14/2012 12:45 PM, Mike Galbraith wrote:
>> > Do you have further ideas for buddy cpu on such example?
>>> > > 
>>> > > Which kind of sched_domain configuration have you for such system ?
>>> > > and how many sched_domain level have you ?
>> > 
>> > it is general X86 domain configuration. with 4 levels,
>> > sibling/core/cpu/numa.
> CPU is a bug that slipped into domain degeneration.  You should have
> SIBLING/MC/NUMA (chasing that down is on todo).

Maybe.
the CPU/NUMA is different on domain flags, CPU has SD_PREFER_SIBLING.