Chris Adams <[email protected]> wrote: >>I further studied the matter and found that on the CentOS 6.5 system >>where I first checked the kernel is at 2.6.32 and the pps_parport module >>is not yet included. > > When I ran this on a CentOS system, I didn't use the in-kernel PPS. I > used the shmpps daemon from EPEL instead (user-space daemon, so not > quite as accurate).
Sure, on my own system I use an old gpsd in which I included a user-space PPS daemon which works quite well, but for this purpose we can use all accuracy we can get. Timestamping in the IRQ handler is probably a lot better than in a user process. _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
