root@am65xx-evm:~# phc2sys -s CLOCK_REALTIME -c eth0 -O 0 -R 10 -m
phc2sys[411.275]: eth0 sys offset -1606363664277025940 s0 freq      +0 delay   5070
phc2sys[411.376]: eth0 sys offset -1606363664277025952 s1 freq    -119 delay   5075
phc2sys[411.476]: eth0 sys offset     -5073 s2 freq   -5192 delay   5065
phc2sys[411.576]: eth0 sys offset     -4655 s2 freq   -6296 delay   5265
phc2sys[411.677]: eth0 sys offset     -3929 s2 freq   -6967 delay   5085
...
phc2sys[4435.797]: eth0 sys offset        -9 s2 freq     -16 delay   5085
phc2sys[4435.897]: eth0 sys offset         7 s2 freq      -3 delay   5055
phc2sys[4435.997]: eth0 sys offset         0 s2 freq      -8 delay   5060
phc2sys[4436.098]: eth0 sys offset         5 s2 freq      -3 delay   5070
phc2sys[4436.198]: eth0 sys offset        -2 s2 freq      -9 delay   5085
phc2sys[4436.298]: eth0 sys offset         1 s2 freq      -6 delay   5080
...
phc2sys[8764.301]: eth0 sys offset        -3 s2 freq     -33 delay   5095
phc2sys[8764.401]: eth0 sys offset        12 s2 freq     -19 delay   5070
phc2sys[8764.502]: eth0 sys offset         7 s2 freq     -20 delay   5095
phc2sys[8764.602]: eth0 sys offset         6 s2 freq     -19 delay   5100
phc2sys[8764.702]: eth0 sys offset         3 s2 freq     -20 delay   5120
phc2sys[8764.802]: eth0 sys offset         5 s2 freq     -17 delay   5120
...
phc2sys[13149.020]: eth0 sys offset        -6 s2 freq     -15 delay   5090
phc2sys[13149.120]: eth0 sys offset       -62 s2 freq     -73 delay   5225
phc2sys[13149.221]: eth0 sys offset         9 s2 freq     -21 delay   5090