On Thu, 17 Mar 2016, Peter Zijlstra wrote: > Also, maybe the tracer should measure the time from need_resched() > getting true until the next preemption point, instead of the entire time > preemption was disabled. Which would avoid the entire issue altogether. Well, that only gives you the information on a actual preemption, but not information about long preempt disabled regions which can cause a problem eventually. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
