On 2020-11-09 15:37:03 [+0100], Daniel Wagner wrote: > > I've been staring at the code of signaltest on Friday and I might need > > to stare longer to figure out what it does. > > I hear you. Anyway, I gave the current head a run with lazy preemption > disabled as you asked for. I just sent a few patches your way regarding signaltest. It should help you with tracing. I've been playing with it on a juno box and I didn't see anything odd. My max value was below 200us. I added a few tracing bits. With sched, signal and hrtimer events you should be able to see what delays the RT thread. I didn't see anything odd. Sebastian
