On Sat, Mar 16, 2013 at 8:49 AM, Paul Coccoli <pcoccoli@gmail.com> wrote:

I just noticed this on my Fedora 17 system. I run jackd like this:

you've fallen for a classic mistake when using ps(1) on multithreaded applications.

[paul@watt ~]$ ps -p 20370 -o cmd,class,pri,rtprio
CMD CLS PRI RTPRIO
/usr/bin/jackd --realtime - TS 19 -

jackd runs more than one thread. your use of ps(1) shows only the initial thread, which is not RT.

--p