> Is it possible to call NOW() in xen, and then sometime later
> call it again and get a slightly smaller value (ie, by a few
> thousand ns)? Is there something that makes small corrections
> to the rtc once in a while?
> I''m trying to track down a bug in some code I''m
developing
> and it looks like time really does go backwards sometimes.
NOW() uses get_s_time (system time), which should always be greater or
equal to the previous value.
If you''re running a domain 0 with xntpd, then Xen''s wall clock
time time
(as opposed to system time) can indeed go backwards if domain 0 pushes
down adjustments to it.
Ian
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