[ntp:questions] Why is my precision=-15? I'm using a nano kernel.

Edward T. Mischanko etm1962 at hotmail.com
Tue Jan 15 18:18:14 UTC 2013



"unruh"  wrote in message news:0RgJs.101361$2v.686 at newsfe05.iad... 

On 2013-01-15, Edward T. Mischanko <etm1962 at hotmail.com> wrote:
>
>
> associd=0 status=011d leap_none, sync_pps, 1 event, kern,
> version="ntpd 4.2.7p347 at 1.2483-o Mon Jan  7 19:42:41 UTC 2013 (1)",
> processor="i386", system="FreeBSD/8.2-RELEASE", leap=00, stratum=1,
> precision=-15, rootdelay=0.000, rootdisp=1.105, refid=PPS,
> reftime=d4a00515.47aa3d3d  Tue, Jan 15 2013 10:40:53.279,
> clock=d4a0051c.90ecf115  Tue, Jan 15 2013 10:41:00.566, peer=41592, tc=3,
> mintc=3, offset=-0.000239, frequency=6.395, sys_jitter=0.030518,
> clk_jitter=0.000, clk_wander=0.000, tai=35, leapsec=201207010000,
> expire=201306280000

It means that successive calls to the gettimeofday function return with
a difference that is not less than 2^-15 sec. 

Thanks for the reply and the information.  Is -15 good, bad, or average?

Regards,
Ed



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