Messages in this thread | | | Date | Tue, 21 Jan 2014 11:28:37 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH] sched/deadline: Add sched_dl documentation |
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On Tue, 21 Jan 2014 14:55:59 +0100 Peter Zijlstra <peterz@infradead.org> wrote:
> > >I would strongly urge you not to use that as an example, because its > > >dead wrong design. An RT thread (be it RR,FIFO or DL) should _NEVER_ do > > >blocking IO. > > Well, but it does happen in reality :) > > Yeah, I know, my point was more about not encouraging people to do this > by explicitly mentioning it.
Unless it is mentioned that this is fine for soft real-time uses, such as what Luca described (mplayer and possibly Jack). Tools where missing a deadline does not crash the system, but just reduces quality.
-- Steve
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