Re: [LAD] a *simple* ring buffer, comments pls? | Linuxaudio.org

Re: [LAD] a simple ring buffer, comments pls?

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From: Olivier Guilyardi <list@...>

To: <linux-audio-dev@...>

Subject: Re: [LAD] a *simple* ring buffer, comments pls?

Date: Monday, July 11, 2011 - 11:06 pm

On 07/12/2011 12:06 AM, Fons Adriaensen wrote:

> OTOH, if you have a number of threads at the same priority

quoted text

> as Jack's and doing audio work (e.g. to use all the CPUs of
> an SMP machine) then using locks between them (but no other
> threads) should be OK - depending a bit on how they are used.

So, you can use locks as long as that's only meant to synchronize realtime
threads with each other? Should some master thread (could be the JACK process
thread) have a realtime priority slightly higher than the other (worker)
realtime threads? What are the caveats in general?

--
Olivier

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Messages in current thread:

[LAD] a *simple* ring buffer, comments pls?, James Morris, (Thu Jul 7, 12:10 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, James Morris, (Fri Jul 8, 12:51 am)

Re: [LAD] a *simple* ring buffer, comments pls?, James Morris, (Fri Jul 8, 11:24 am)

Re: [LAD] a *simple* ring buffer, comments pls?, Paul Davis, (Fri Jul 8, 1:22 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Fri Jul 8, 5:17 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Gabriel M. Beddingfield, (Fri Jul 8, 6:12 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Arnold Krille, (Fri Jul 8, 7:06 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Fri Jul 8, 7:53 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Paul Davis, (Fri Jul 8, 8:41 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Fri Jul 8, 9:01 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Arnold Krille, (Fri Jul 8, 8:59 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Fri Jul 8, 9:11 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Muresan, (Fri Jul 8, 7:23 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Muresan, (Mon Jul 11, 6:59 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Mon Jul 11, 8:53 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Muresan, (Tue Jul 12, 5:41 am)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Kegel, (Fri Jul 8, 7:29 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Paul Davis, (Fri Jul 8, 8:49 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Sean Bolton, (Fri Jul 8, 9:57 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Muresan, (Fri Jul 8, 11:03 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Fri Jul 8, 11:27 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Muresan, (Sat Jul 9, 1:25 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Sat Jul 9, 2:38 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Muresan, (Sun Jul 10, 3:05 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Sun Jul 10, 9:15 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Muresan, (Mon Jul 11, 12:03 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Mon Jul 11, 8:44 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Kegel, (Sun Jul 10, 10:34 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Paul Davis, (Sun Jul 10, 9:41 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Sean Bolton, (Mon Jul 11, 1:34 am)

Re: [LAD] a *simple* ring buffer, comments pls?, Sean Bolton, (Mon Jul 11, 1:44 am)

Re: [LAD] a *simple* ring buffer, comments pls?, Olivier Guilyardi, (Mon Jul 11, 7:19 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, James Morris, (Mon Jul 11, 8:32 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Chris Cannam, (Mon Jul 11, 8:50 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Tim E. Real, (Mon Jul 11, 9:38 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Robin Gareus, (Mon Jul 11, 10:27 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Arnold Krille, (Mon Jul 11, 10:12 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Robin Gareus, (Mon Jul 11, 10:28 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Paul Davis, (Mon Jul 11, 10:34 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Mills, (Mon Jul 11, 10:24 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Mon Jul 11, 10:06 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Olivier Guilyardi, (Mon Jul 11, 11:06 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Muresan, (Mon Jul 11, 10:17 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Paul Davis, (Mon Jul 11, 8:58 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Chris Cannam, (Tue Jul 12, 7:07 am)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Muresan, (Tue Jul 12, 12:44 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Kai Vehmanen, (Wed Jul 20, 9:25 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Emanuel Rumpf, (Sat Aug 20, 6:24 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Emanuel Rumpf, (Sat Aug 27, 7:21 am)

Re: [LAD] a *simple* ring buffer, comments pls?, Gabriel Beddingfield, (Sat Aug 20, 7:16 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Chris Cannam, (Tue Jul 12, 7:46 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Olivier Guilyardi, (Tue Jul 12, 8:20 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Arnold Krille, (Tue Jul 12, 11:31 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Paul Davis, (Tue Jul 12, 11:56 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Olivier Guilyardi, (Wed Jul 13, 12:27 am)

Re: [LAD] a *simple* ring buffer, comments pls?, Chris Cannam, (Tue Jul 12, 9:07 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Olivier Guilyardi, (Tue Jul 12, 9:26 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Paul Davis, (Tue Jul 12, 8:36 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Olivier Guilyardi, (Tue Jul 12, 9:32 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Kegel, (Tue Jul 12, 10:23 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Olivier Guilyardi, (Tue Jul 12, 11:50 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fred Gleason, (Wed Jul 13, 12:08 am)

Re: [LAD] a *simple* ring buffer, comments pls?, Olivier Guilyardi, (Wed Jul 13, 12:25 am)

Re: [LAD] a *simple* ring buffer, comments pls?, Chris Cannam, (Tue Jul 12, 9:37 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Olivier Guilyardi, (Tue Jul 12, 10:00 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Chris Cannam, (Tue Jul 12, 9:16 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Emanuel Rumpf, (Tue Jul 12, 5:20 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Chris Cannam, (Mon Jul 11, 8:50 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, David Olofson, (Mon Jul 11, 8:47 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Dan Kegel, (Fri Jul 8, 9:52 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Fons Adriaensen, (Fri Jul 8, 6:39 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, James Morris, (Fri Jul 8, 12:21 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Olivier Guilyardi, (Fri Jul 8, 12:56 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, Gabriel M. Beddingfield, (Fri Jul 8, 1:04 am)

Re: [LAD] a *simple* ring buffer, comments pls?, David Robillard, (Fri Jul 8, 2:23 pm)

Re: [LAD] a *simple* ring buffer, comments pls?, James Morris, (Fri Jul 8, 8:45 am)

Re: [LAD] a *simple* ring buffer, comments pls?, James Morris, (Fri Jul 8, 8:40 am)