Quote:
Originally Posted by Tom Bottiglieri
After doing some quick research, it would definitely be a better decision for the RC to run a commercial RTOS (I really liked VxWorks and QNX) than an open source implementation of RTLinux. It seems like the commercial options were built from the ground up to run in real time, while the latter is just a way to de-prioritize the linux kernel to keep important threads running in real time.
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Assuming you don't use any skanky drivers, the 2.6 linux kernel does pretty well in near real-time systems. For hard real-time applications, there is also Monta Vista Linux (mvista.com), which I would prefer to RTLinux.
-Kevin