Allan Schaffer (aschaffe)
Mon, 9 Jan 1995 16:47:38 -0800
Below is a kernel tune to assist your real-time operations.
I'll add this to the FAQ list as well.
Caveat: Be sure -not- to specify CPU 0, as you will want it
to be available for necessary interrupts.
Allan
-------------
There is a new real-time kernel directive for Onyx/Challenge
processors for directing system interrupts away from real-time
processors.
In the file
/var/sysgen/system/irix.sm
Search for NOINTR and below the comment explaining NOINTR, add the
line
NOINTR: 1 2 3 4 .....
where you list the CPUs that you intend to do real-time processing on
and then reboot.
This can be done on 5.2+ Onyx/Challenge systems and is very important
for real-time behavior. This wasn't covered in the base IRIX5
documentation.
-- Allan Schaffer Silicon Graphics aschaffe++at++sgi.com http://reality.sgi.com/employees/aschaffe
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