Re: [patch] Re: scheduler oddity [bug?]

From: Mike Galbraith
Date: Mon Mar 09 2009 - 09:16:23 EST


On Mon, 2009-03-09 at 12:04 +0100, Peter Zijlstra wrote:

> OK, talked a bit with Ingo, the reason you're doing is that avg_overlap
> can easily grow stale.. I can see that happen indeed.
>
> So the 'perfect' thing would be a task-runtime decay, barring that the
> preemption thing seems a sane enough hart-beat of a task.
>
> How does the below look to you?

Other than the fact that the test for sync reject is currently
avg_overlap > sysctl_sched_migration_cost, looks fine to me. Having it
capped at the boundary is probably the better way to go.

-Mike

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