On Thu, Jan 05, 2017 at 10:29:57AM +0100, Federico Reghenzani wrote: > Hi all, > Hello- > I'm trying to setup a RT Linux system (currently on 4.8.2 PREEMPT_RT > patched), and I enabled he NO_HZ_FULL flag in order to reduce the > scheduling interrupts jitter. Trying to isolate one core, I also moved > all interrupts and threads to other CPUs. > > This works fine, however when I run my RT application, the thread > kimersoftd is always in "running" state, thus the scheduling interrupt > triggers (because there exists more than 1 task available to run). > Consequently, the advantages of NO_HZ_FULL are vanished. This sounds like the same problem that Haris (cc'd) has looked into and has put together a proposed solution. See the thread here: http://www.spinics.net/lists/linux-rt-users/msg16113.html Julia -- 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
