Re: periods and deadlines in SCHED_DEADLINE

From: Peter Zijlstra
Date: Fri Jul 09 2010 - 10:25:02 EST


On Fri, 2010-07-09 at 15:38 +0200, Raistlin wrote:
> Basically, from the scheduling point of view, what it could happen is
> that I'm still _NOT_ going to allow a task with runtime Q_i, deadline
> D_i and period P_i to use more bandwidth than Q_i/P_i, I'm still using D
> for scheduling but the passing of the simple in-kernel admission test
> Sum_i(Q_i/P_i)<1 won't guarantee that the task will always finish its
> jobs before D.

But the tardiness would still be bounded, right? So its a valid Soft-RT
model?
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