Messages in this thread | | | Date | Thu, 18 Jun 2009 00:51:16 +0530 | From | Vaidyanathan Srinivasan <> | Subject | Re: [patch 2/2] RFC sched: Scale the nohz_tracker logic by making it per NUMA node |
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* venkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com> [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.
--Vaidy
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