9 .Nd read kernel time variables
18 .Op Fl t Ar time_constant
22 utility is useful only with special kernels
25 A Kernel Model for Precision Timekeeping
28 (available as part of the HTML documentation
30 .Pa /usr/share/doc/ntp ) .
31 It reads and displays time-related kernel variables
36 system calls if available.
37 A similar display can be obtained using the
43 The following options are available:
44 .Bl -tag -width indent
46 Display the execution time of
50 Specify estimated error, in microseconds.
52 Specify frequency offset, in parts per million.
54 Display help information.
56 Specify the leap bits as a code from 0 to 3.
58 Specify max possible errors, in microseconds.
60 Specify clock offset, in microseconds.
62 Display Unix and NTP times in raw format.
64 .It Fl t Ar time_constant
65 Specify time constant, an integer in the range 0-4.