Messages in this thread | | | Subject | Re: [RFC 9/12][PATCH] SCHED_DEADLINE: system wide bandwidth management | From | Raistlin <> | Date | Wed, 13 Jan 2010 10:41:23 +0100 |
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On Mon, 2009-12-28 at 15:44 +0100, Peter Zijlstra wrote: > > Default value is _zero_ bandwidth available, thus write some numbers in those > > files before trying to start some SCHED_DEADLINE task. Setting runtime > period > > is allowed (i.e., more than 100% bandwidth available for -deadline tasks), > > since it makes more than sense in SMP systems. > > Right, so the current rt bandwidth controls go up to 100%, where 100% is > root_domain wide. That is, the bandwidth usage scale is irrespective of > the number of cpus. > Yep, I know. Mine controls were working a little bit different because of the fact I have bandwidth control at the task group --not rq-- level. Anyway...
> If that was the best choice could of course be argued, but since we have > that, it would be strange to add another set of controls which do not > conform. > ... I again agree that consistency come first, and I'll move the controls in the right place, and convert them to the conforming behavior.
Thanks and regards, Dario
-- <<This happens because I choose it to happen!>> (Raistlin Majere) ---------------------------------------------------------------------- Dario Faggioli, ReTiS Lab, Scuola Superiore Sant'Anna, Pisa (Italy)
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