[linux-audio-user] IRQ settings and low latency

Greg Jednaszewski greg at attenuated.org
Mon Mar 15 10:06:51 EST 2004


Hi,

On Sat, Mar 13, 2004 at 08:41:20AM -0800, Mark Knecht wrote:
> The first column is the hex version of what's in the /cat
> /proc/interrupts table, and the last column is the vector associated
> with that interrupt. The priority, as I understand it, is driven by the
> highest vector number. In the table above vector 'D1' is highest, so you
> look back at it's IRQ number (16 hex) convert it to decimal (22) and
> look it up in the /proc/interrupts table and find that in this machine
> the VIA8233 has the highest priority, followed by USB, then the ICE1712,
> the radeon, and so on.

Ah, ok.  This makes sense.  I had found some references to the vector
table, but nothing complete enough for me to figure out what was going
on.  Thanks for the explanation.

Thanks,
Greg

-- 
Greg Jednaszewski
greg at attenuated.org



More information about the Linux-audio-user mailing list