> I use adeos with RTAI. > I'd like to know if it's possible to configure Adeos to let always 5% of CPU > time at Linux so as to allow the refresh of the screen (for example). > this is not realy an ADEOS problem but a RTAI problem fundamentally you are asking "how can I ensure priority inversion on my system" - the simple answer is ensure that all RT-tasks yield the CPU and don't over commit the CPU in RT-context.
If linux never gets scheduled then there are runable RT-tasks and in such a situation the idle task may simply not run. hofrat
