[linux-audio-user] Re: [linux-audio-dev] [ANN] E-Radium V0.61b

Lee Revell rlrevell at joe-job.com
Wed Jul 13 13:27:32 EDT 2005


On Wed, 2005-07-13 at 18:31 +0200, Florian Schmidt wrote:
> On Wed, 13 Jul 2005 10:49:11 -0400
> Eric Dantan Rzewnicki <rzewnickie at rfa.org> wrote:
> 
> > > Correct, it's not an issue for apps driven by hardware interrupts like
> > > JACK, because the sound card consumes data at a constant rate.  But for
> > > MIDI or video where you have to periodically push data to the device it
> > > matters.
> > 
> > What is driving the kernel-devs to regress on this issue?
> 
> Well, i suppose it's a tradeoff between throughput and responsiveness.
> Larger timeslices increase system throughput (less time is spent in the
> scheduler) while smaller timeslices increase responsiveness.

Someone proposed HZ=864 which might be OK.

Can someone tell me what the minimum HZ you would need to send MIDI
clock or MTC would be?  I think this is a good place to draw the line.

Lee




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