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SubjectRe: [PATCH 1/4] numa: introduce per-cgroup numa balancing locality, statistic

On 2019/7/12 下午3:58, Peter Zijlstra wrote:
>>> Then our task t1 should be accounted to B (as you do), but also to A and
>>> R.
>> I get the point but not quite sure about this...
>> Not like pages there are no hierarchical limitation on locality, also tasks
> You can use cpusets to affect that.

Could you please give more detail on this?

>> running in a particular group have no influence to others, not to mention the
>> extra overhead, does it really meaningful to account the stuff hierarchically?
> AFAIU it's a requirement of cgroups to be hierarchical. All our other
> cgroup accounting is like that.

Ok, should respect the convention :-)

Michael Wang


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