On Sun, Dec 7, 2014 at 12:09 PM, folkert <folk...@vanheusden.com> wrote:
> > On my rpi the jitter is between 2 and 10us iirc but it is a while since > I tested it. A quick peak shows me currently 3us jitter. Not bad for a > userspace solution imho. Really? The PPS to GPIO interface is handles in user space? It is not interrupt driven? In the implementations I've seen the critical real time work is done inside the PPS interrupt handler and then of course ntpd runs in userland and can take as much time as it needs -- Chris Albertson Redondo Beach, California _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
