Re: [RFC] (How to) Let idle CPUs sleep

From: Srivatsa Vaddagiri
Date: Fri May 13 2005 - 01:32:22 EST


On Thu, May 12, 2005 at 05:43:46PM -0700, Jesse Barnes wrote:
> But in this case you probably want it to, so it can rebalance tasks to
> the CPU that just woke up.

Usually the sleeping idle CPU is sent a resched IPI, which will cause it to
call schedule or idle_balance_retry/rebalance_tick (ref: my earlier patch) to
find out if it has do a load balance.

--


Thanks and Regards,
Srivatsa Vaddagiri,
Linux Technology Center,
IBM Software Labs,
Bangalore, INDIA - 560017
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