Re: [Linuxptp-devel] phc2sys timestamp filtering

2017-02-15 Thread Richard Cochran
On Wed, Feb 15, 2017 at 10:33:52AM +0100, Miroslav Lichvar wrote: > In general this looks interesting, but it's not very clear to me what > would be the advantage over using the PI servo with smaller constants. Yes, I was wondering this as well. If you have some test results that show the advanta

Re: [Linuxptp-devel] phc2sys timestamp filtering

2017-02-15 Thread Miroslav Lichvar
On Tue, Feb 14, 2017 at 04:33:34PM +, Urs Ritzmann wrote: > I know, moving time from the less accurate, higher jitter NTP domain to the > PTP domain is a bad idea in general, but the use case is still valid. And it > seems to be possible, given a filter with slow enough time constant to remov