Re: [LAU] jackd thinks it's got realtime priority, but it doesn't

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To: Paul Coccoli <pcoccoli@...>
Cc: A list for linux audio users <linux-audio-user@...>
Date: Saturday, March 16, 2013 - 1:03 pm

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On Sat, Mar 16, 2013 at 8:49 AM, Paul Coccoli 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

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

--p

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On Sat, Mar 16, 2013 at 8:49 AM, Paul Co=
ccoli <pcoccoli@gmail.com> wrote:
I just noticed this on my Fedora 17 system. =A0I 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 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 CLS PRI RTPRIO
/usr/bin/jackd --realtime - TS =A0 19 =A0 =A0 =A0-jackd runs more than one thread. your use of ps(1) shows only the initial =
thread, which is not RT.--p

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Re: [LAU] jackd thinks it's got realtime priority, but it do..., Paul Davis, (Sat Mar 16, 1:03 pm)