The Synchronization Status of
There is a need to be able to easily and consistently determine if
system clock and/or
's idea of its internal state and the system
clock are "correct" (for some definition of correct).
To offer this ability, it seems to me that the first thing we need to
nail down is the definition and specification of "correct".
The definition of 'correct' time
How about the following:
- The decoded system status bits contain
ntpd is in state
S_SYNC (which Dave is renaming to
- any slew adjustment in-process is under X (where X is configurable)
- Do we care about the root dispersion?