Trace of LXRT Threads / HW Systems PC-104

Paolo Mantegazza mantegazza at
Mon Jul 11 20:51:03 CEST 2005

Daniel Sielaff wrote:
> Hello,
> i am working with rtai for about a half year.
> In that way I want to thanks all the developers for the great work.
> (Using Intel P4-Desktop System with rtai 3.0.1r4)
> At moment i have two questions, first i need a suggestion about traceing
> timeline of running threads. In my LXRT-project are running a dynamically
> count of
> threads and i have to trace the start and stop time of the processes.
> I do not want to make the same work two times, so maybe any further work
> was done.
> Otherwise my idea is to make a Linuxprocess and send the hole thread
> startup times throw
> a fifo to it. But in what way can i communicate between an HRT LXRT-process
> and a normal linux-process,
> RT-FIFOs aren't possible if i'm right.

They should, you have just to use rtf_.... call from hard real time 
processes real time. For an example see:



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