Tino, On Wed, Jan 07, 2015 at 03:10:21PM +0100, Tino Keitel wrote: > ptp4l[3620464.599]: rms 34999387468 max 34999407058 freq -19592 +/- 0 > ptp4l[3620468.598]: rms 34999465846 max 34999485433 freq -19595 +/- 7
Max here is always positive. It is the absolute value (magnitude) of the maximum offset during the interval. > Querying ptp4l using pmc gives this output (note the first > offsetFromMaster value): > > $ pmc -u "get CURRENT_DATA_SET" > sending: GET CURRENT_DATA_SET > 001b21.fffe.929906-0 seq 0 RESPONSE MANAGMENT CURRENT_DATA_SET > stepsRemoved 2 > offsetFromMaster -35000968295.0 Here the plain offset is given. Both values show the offset error to be about 35 seconds, which is the TAI/UTC offset. Probably your PHC driver sets its time to the UTC system time when loading. HTH, Richard ------------------------------------------------------------------------------ Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
