A feature for -lowlatency kernel?

ttoine ttoine at ttoine.net
Fri Mar 25 19:52:17 UTC 2011

2011/3/25 ailo <ailo.at at gmail.com>

> I've been doing some testing on previous kernels together with a few
> people, and the sum of my experience is, just use jack with a program
> you like, try using the lowest latency you can.
> I don't count xruns that come from starting or stopping programs. But I
> do look for any or even one xrun at a certain ms setting.
> Just writing on the list and telling shortly of the results is helpful.
> Like, what was the lowest ms setting, maybe adding a part of the jack
> message showing what settings were used.
> However, if we are to test the 2.6.39 for irq priority, I don't know
> what we need. Do we need a rtirq script, or will the irq priorities be
> set by just using realtime prio?
> For the tests, it would be greate to have people who usually get
> problems from irq sharing.
> On 03/24/2011 11:08 PM, Timothy Cook wrote:
> > On Thu, Mar 24, 2011 at 4:26 PM, Alessio Igor Bogani <abogani at ubuntu.com
> >wrote:
> >
> >>
> >> So I could provide a -lowlatency kernel based on 39 kernel if enough
> >> testers will offer theirs help. Sincerely I would want avoid to waste
> >> time for make something that no one will use.
> >>
> >> What do you think?
> >>
> >>
> > I for one, would enjoy having this.
> > I am currently using Natty with an Alesis io2 Express USB device.
> >
> > I am still not certain what are valid tests for this setup.  Should I
> report
> > xruns over a period of time,etc?
> >
> > Tim
> >
> >
> >
If your real time kernel provide it already, perhaps it would be better to
kee focus on a good real time kernel, than spending too much time on an
other kernel ?

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