pci tuning is done using the lspci (for viewing pci bus ids, etc) and setpci commands. review the man pages of both of these, and have a look in google for "linux pci latency"
ibm has a good article on this: http://www-128.ibm.com/developerworks/linux/library/l-hw2.html
On Fri, 2006-09-08 at 09:41 +0200, Davide Morelli wrote:
I'm currently using Fedora Core 4 with the 2.4.19 kernel on a 1.6 GHz Sempron processor (could be upgraded to an Athlon64). I'm not sure which system specs are most important for getting good throughput, front side bus, memory access speed...how to balance them?
try CCRMA packages on top of your FC4 system, they come with 2 realtime kernels: 50% preepmption (rdt kernels) and 100% preemption (rtt ones). see http://ccrma.stanford.edu/planetccrma/software/node3.html
I think the interrupt priority of your soundcard should be high and it should not be shared with other devices, jackd should be executed with realtime priority ( -R flag). I'd really like to know how to set the irq priority.. but i don't.. i guess it has something to do with APIC/ACPI... If anyone knows how to set:
- the process priority
- the irq priority
could please tell how? i can't find anything on the web..
ciao, davide.
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