Messages in this thread |  | | Date | Tue, 04 Sep 2001 11:54:17 -0700 | From | J Sloan <> | Subject | Re: Should I use Linux to develop driver for specialized ISA card? |
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Roger Larsson wrote:
> 1) Why shouldn't the low-latency patches work for another architecture? > Andrew Morton might be interested to fix other architectures too. > (but most patches are not in architecture specific code) > > 2) Montavistas reschedulable kernel is a very interesting approach, newly > released an update by Robert Love > http://kpreempt.sourceforge.net/ > http://tech9.net/rml/linux/patch-rml-2.4.10-pre2-preempt-kernel-1 > (there are still some spikes, but the floor is smooth) > > But note you with both approaches you want to run the latency critical process > with a higher priority, and probably with the memory locked down. > > See example code (latencytest) at: > http://www.gardena.net/benno/linux/audio/ > (but there is no need to run at the maximum possible priority since your > process will be alone anyway...)
Just a data point here -
The Andrew Morton patches have worked well for me here - I test it often with quake 3 arena, and am currently on 2.4.10-pre4 -
I was never successful in getting the kernel to compile and run with any of the the other low latency patches floating around -
cu
jjs
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