> On Fri, 2006-06-23 at 10:19 +0930, Jonathan Woithe wrote: > > At the time I ran the tests there were no other usermode processes > > running at any RT priority. Only the latency analyser itself and the > > ieee stress tester had elevated RT priorities. Also the system hasn't > > had priorities of kernel things tuned on startup - the system is a > > bog-standard 2.6.16-rt25 running as booted. > > In the -rt kernel IRQ handlers run as user processes with realtime > priority. You have to use ps to check.
I see. I'll check. Note that in this case I haven't done any tuning, so the priorities of the kernel IRQ handlers will be whatever an RT kernel sets them to by default. Regards jonathan
