FRLinux <frlinux () gmail ! com> wrote:
> NTP is slowly drifting back the time to normal but I am
> wondering if anyone has seen this.

>From adjtime(2):
"The skew
     used to perform the correction is generally a fraction of one percent."

Every adjustment brings the local clock closer to the desired time -
the immediately subsequent delta (difference) becomes concommitantly
smaller and the next adjustment (the fraction of one percent of the
remaining difference) is ... therefore smaller.
Surely this is not an oddity though but very much desired - the jumps
should be as small as possible to keep time dependent functions happy,
logs readable, etcetera.
So the resultant smaller difference after the 321s adjustment is taken
advantage of as soon as possible - at the very next jump - using a
value of 320s ...

That's how I read it and it fits with what would seem to be a reasonable goal.

http://marc.info/?l=openbsd-misc&m=121638309016429&w=2

Best wishes.

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