Hello Remy,

I like to have a low latecy predictable system.
And I know the rt.wiki.kernel.org webpage.
Also for example
http://www.diyaudio.com/wiki/index.php?page=LINUX+Audio which is
referencing zen-sources.

But I would like to understand rt differences. That's what I have
asked for. From viewpoint of application, I do not have a deep Linux
or even kernel knowledge. Or do all the latest rt developments simply
have no meaning or effect on the application?

Best

Uli

On Thu, May 29, 2008 at 8:48 PM, Remy Bohmer [off-list ref] wrote:

Hello Uli,

quoted

I like to use Linux for audio purposes.
So of course I'm interested in getting a best performance.

What do you mean exactly with 'performance' ? (speed versus 'a nice
play/showtime')

Realtime is not about performance (in the sense of speed), it is about
determinism.

So, if you want a fast system, you probably do not want realtime.
If you want a predictable (low latency) system, you could think about realtime.

quoted

Can someone explain me how to select a kernel and the rt-version? What
are advantages/disadvantages under realtime aspects?

Already looked on http://rt.wiki.kernel.org ??


Kind Regards,

Remy

quoted

Now I can see that there are constant updates of rt-versions:
- 2.6.24.7 now there is rt11
- 2.6.25.4 we have rt3
- 2.6.26-rc4 no rt work yet published

It seems that the rt-versions for the different kernels are maintained
in parallel but e.g. last updates have been for 2.6.24.7

Can someone explain me how to select a kernel and the rt-version? What
are advantages/disadvantages under realtime aspects?

Thanks

Uli
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