On Fri, 5 Aug 2016 17:40:43 +0200 Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote: > > Ah, this is when we have GENERIC_SCHED_CLOCK, which would break tracing > > if any arch that has this also has NMIs. Probably need to look at arm64. > > arm64 should use the generic code as they don't provide sched_clock() > (and I doubt they go for the weak jiffy version). And I'm guessing that arm64 supports NMIs. Is there no NMI safe clock? I probably need to look at the tracing code. Because you can have the same issue while tracing in an NMI as well. -- Steve -- 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