Messages in this thread | | | Date | Mon, 7 Jul 2003 10:58:06 -0700 (PDT) | From | Davide Libenzi <> | Subject | Re: 2.5.74-mm1 |
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On Mon, 7 Jul 2003, Daniel Phillips wrote:
> That's not correct in this case, because the sound servicing routine is > realtime, which makes it special. Furthermore, Zinf is already trying to > provide the kernel with the hint it needs via PThreads SetPriority but > because Linux has brain damage - both in the kernel and user space imho - the > hint isn't accomplishing what it's supposed to. > > As I said earlier: trying to detect automagically which threads are realtime > and which aren't is stupid. Such policy decisions don't belong in the > kernel.
Having hacked a little bit with vsound I can say that many sound players do not use at 100% the buffering the sound card/kernel is able to provide and they still use 4-8Kb feeding chunks. That require very short timings to not lose the time.
- Davide
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