Offset and Delay are in nanoseconds. The Frequency is (I'm pretty sure) in parts-per billion.
-Dale On Thu, Jan 12, 2017 at 8:40 PM, Hardik Gohil <hardikgohil1...@gmail.com> wrote: > Hello, > > I am working on Linux 3.12 running on TI AM335x. > > The Test system is GPS connected to CPU over Ethernet and GPS is configured > to End to End protocol. > > following are the messages > -------------------------------------- > ptp4l[71468.231]: master offset -230 s2 freq -23449 path delay > 15359 > ptp4l[71469.232]: master offset -185 s2 freq -23473 path delay > 15372 > ptp4l[71470.233]: master offset 90 s2 freq -23254 path delay > 15503 > ptp4l[71471.234]: master offset -321 s2 freq -23638 path delay > 15500 > ptp4l[71472.234]: master offset 152 s2 freq -23261 path delay > 15500 > ptp4l[71473.235]: master offset 279 s2 freq -23088 path delay > 15500 > ptp4l[71474.237]: master offset -343 s2 freq -23627 path delay > 15500 > ptp4l[71475.242]: master offset 77 s2 freq -23310 path delay > 15500 > ptp4l[71476.242]: master offset 51 s2 freq -23313 path delay > 15500 > ptp4l[71477.242]: master offset 29 s2 freq -23319 path delay > 15500 > ----------------------------------------- > phc2sys[71501.627]: sys offset -75 s2 freq -23336 delay 3480 > phc2sys[71502.628]: sys offset 37 s2 freq -23246 delay 3521 > phc2sys[71503.629]: sys offset 229 s2 freq -23043 delay 3480 > phc2sys[71504.630]: sys offset -3 s2 freq -23207 delay 3560 > phc2sys[71505.631]: sys offset -203 s2 freq -23408 delay 3520 > phc2sys[71506.631]: sys offset -340 s2 freq -23605 delay 3440 > phc2sys[71507.632]: sys offset -233 s2 freq -23600 delay 3560 > phc2sys[71508.633]: sys offset -8 s2 freq -23445 delay 3480 > phc2sys[71509.634]: sys offset 234 s2 freq -23206 delay 3521 > phc2sys[71510.634]: sys offset 235 s2 freq -23135 delay 3560 > phc2sys[71511.635]: sys offset 162 s2 freq -23137 delay 3520 > phc2sys[71512.636]: sys offset 37 s2 freq -23213 delay 3520 > phc2sys[71513.637]: sys offset -252 s2 freq -23491 delay 3560 > phc2sys[71514.638]: sys offset -89 s2 freq -23404 delay 3560 > phc2sys[71515.639]: sys offset 269 s2 freq -23073 delay 3480 > ---------------------------------------------- > > I am trying to understand this messages. > > how do I know whether system time is synced to GPS and what is accuracy ?? > > > > > Regards, > Hardik A Gohil > > ------------------------------------------------------------------------------ > Developer Access Program for Intel Xeon Phi Processors > Access to Intel Xeon Phi processor-based developer platforms. > With one year of Intel Parallel Studio XE. > Training and support from Colfax. > Order your platform today. http://sdm.link/xeonphi > _______________________________________________ > Linuxptp-users mailing list > Linuxptp-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linuxptp-users > ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today. http://sdm.link/xeonphi _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
