[LAU] rtirq usage

[Ken Restivo]

On Thu, Sep 03, 2009 at 01:08:04PM +1000, Patrick Shirkey wrote:
> On 09/03/2009 12:59 PM, Louis Gorenfeld wrote:
> > Hi Patrick,
> >    Try: ps -eo cmd,rtprio .. this will list all the realtime priorities
> > for all your tasks.  cat /proc/asound/cards will show the IRQs for
> > your cards.  Sorry, I can't remember the details about rtirq
> > specifically off-hand.
> >    
> 
> 
> Thanks. That command is very useful.
> 
> 
> I see this result. Sound card is irq 16 and wifi is irq 17. Does it mean 
> the wifi card has a higher prio than the sound card?
> 
> 
> CMD                         RTPRIO
> 
> [IRQ-16]                         -
> [IRQ-17]                        50
> 
> > On Wed, Sep 2, 2009 at 7:47 PM, Patrick
> > Shirkey<pshirkey at boosthardware.com>  wrote:
> >    
> >> Hi,
> >>
> >>
> >> If I'm running rtirq from /usr/src/rtirq folder will it pick up the conf
> >> file in the same folder or does it have to be in the /etc/ folder?
> >>
> >> Also how can I check the existing irq prios for the devices prior and
> >> after running the script?
> >>
> >>

I wrote a goofy little script some years ago to do all this for me when I start up JACK:

http://www.restivo.org/blog/archives/sanity-checking-rtirqs

-ken