"Real-time, embedded systems and Linux are commonly used words
in these days. The thesis on which this article is based looks
deeper into the possibility of turning Linux into a real-time
operating system. Particularly, it investigates available hard
real-time solutions for Linux, but also looks into the soft
variants for completeness.
"RTAI is selected as a suitable solution for Axis and is ported
to the ETRAX 100LX, an Axis-developed system-on-chip processor
designed with networking and embedded systems in mind. A large
number of performance tests are conducted during the evaluation to
make sure that the implementation meets the demands of a real-time
"The evaluation shows that RTAI provides good real-time
performance, especially when compared to standard Linux..."