Re: [LAU] SCHED_FIFO setpriority?

On Thu, Feb 28, 2013 at 8:50 AM, Peter P. <p8rpp@email-addr-hidden> wrote:

> * Paul Davis <paul@email-addr-hidden> [2013-02-28 14:07]:
> > On Thu, Feb 28, 2013 at 5:34 AM, Peter P. <p8rpp@email-addr-hidden> wrote:
> >
> > > Hey list,
> > >
> > > using jack_capture on an -RT kernel, I see the following message from
> > > the program:
> > >
> > > Warning. Could not set higher priority for a SCHED_FIFO process using
> > > setpriority().
> > >
> > > How could I set this higher priority?
> > >
> >
> > http://jackaudio.org/faq
>
> Thanks Paul!
> If I consider this to be the documents you had in mind
> http://jackaudio.org/realtime_vs_realtime_kernel
> http://jackaudio.org/linux_rt_config
> http://jackaudio.org/linux_group_sched
>

correct.

I can already start Jack using RT-Scheduling. At least this is
> what I assume, as the RT Icon flashes slowly on/off in the qjackctl
> GUI, and the messages window says
> "JACK server starting in realtime mode with priority 10"
> "ulimit -l" says:
> unlimited
>

then the problem is that jack_capture is asking for an even higher priority
than your system is configured to allow.

> Or did you imply that I should not run an RT-kernel?
>

i would hope that the first URL you mention above would provide a clear
answer to that question.

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Received on Thu Feb 28 16:15:09 2013