On 2018-12-11 08:28:12 [+0000], Andreas Hoefler wrote: > Hi all Him > I finally found the root cause of my problem! What made me very suspicious was the fact, that the spikes occur pretty much exactly after 950ms each time. > It turns out that throttling was activated having sched_rt_runtime_us set to 950000. Switching it to -1 and everything runs just fine! Be aware that once a RT task forgets to go to sleep, it may lockup / starve the whole system. > Just out of curiosity: in case the throttling kicks in, are all the rt task just in a suspended state? All RT tasks. This includes threaded interrupts which usually run at FIFO 50. > Again thanx to Sebastian for helping me out here! > > BR > Andy Sebastian
