Re: [RFC][PATCH 03/22] sched: SCHED_DEADLINE data structures.

[Raistlin]

On Wed, 2010-11-10 at 19:59 +0100, Peter Zijlstra wrote:
> On Fri, 2010-10-29 at 08:28 +0200, Raistlin wrote:
> > +       /*
> > +        * Bandwidth enforcement timer. Each -deadline task has its
> > +        * own bandwidth to be enforced, thus we need one timer per task.
> > +        */
> > +       struct hrtimer dl_timer; 
> 
> This is for the bandwidth replenishment right? 
Yep.

> Not the runtime throttle?
> 
Not, that is done on tick basis, or by means of hrtick, if enabled.

> The throttle thing should only need a single timer per rq as only the
> current task will be consuming runtime.
>
Sure, and that's what the hrtick does (again, if enabled).

Thanks,
Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
----------------------------------------------------------------------
Dario Faggioli, ReTiS Lab, Scuola Superiore Sant'Anna, Pisa  (Italy)

http://blog.linux.it/raistlin / raistlin@xxxxxxxxx /
dario.faggioli@xxxxxxxxxx

Attachment: signature.asc
Description: This is a digitally signed message part