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    SubjectRe: [patch 2/2] RFC sched: Scale the nohz_tracker logic by making it per NUMA node
    * <> [2009-06-17 11:26:51]:

    > Having one idle CPU doing the rebalancing for all the idle CPUs in
    > nohz mode does not scale well with increasing number of cores and
    > sockets. Make the nohz_tracker per NUMA node. This results in multiple
    > idle load balancing happening at NUMA node level and idle load balancer
    > only does the rebalance domain among all the other nohz CPUs in that
    > NUMA node.

    This is a good optimisations but maybe an overkill for single chip
    NUMA node machines like a two socket Nehalems or Optrons.

    Some method to create load balancer group based on the scale of the
    machine will be good.


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