Messages in this thread |  | | | Subject | Re: SCHED: Is task migration necessary in sched_exec(). | | From | Peter Zijlstra <> | | Date | Wed, 23 Dec 2009 19:06:43 +0100 |
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On Wed, 2009-12-23 at 18:52 +0600, Rakib Mullick wrote:
> Yes - a fair win. But if load balancer moves other tasks from the runqueue > (2nd or 3rd task from your ex.) and thats how we also can achive 1/2 of cpu1's > time , right? Those waiting tasks could have effective 0 cache footprint too. > If they were not run before - right?
Could have, but is very unlikely, and here we have one we know for sure.
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