Re: SCHED: Is task migration necessary in sched_exec().

[Rakib Mullick]

On 12/23/09, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Wed, 2009-12-23 at 18:04 +0600, Rakib Mullick wrote:
>  > On 12/23/09, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>  > > On Wed, 2009-12-23 at 17:35 +0600, Rakib Mullick wrote:
>
>  So its a win, right?
>
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?
>
>
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