✘Local RMS Time Jitter: Ooops

Eric S. Raymond esr at thyrsus.com
Wed Oct 12 03:28:26 UTC 2016


Gary E. Miller <gem at rellim.com>:
> Yo All!
> 
> I like the code direction in today's git head, but something went wrong.
> 
> See attached.  You can see that when I restarted with git head at
> 23:25 11 Oct UTC, that the loss of precision, which was at 0.954 µs
> now appears to be doubled to about 1.908 µs.
> 
> You can see that plot live here:
> 
>     https://pi4.rellim.com/day/#local_rms_time_jitter
> 
> BTW, the attached png also shows off the in-progress --clip mode to ntpviz.
> The new mode throws away data less than 1% and more than 99%.  Good for
> seeing the data after restarts as it ignoers the huge spikes.
> 
> RGDS
> GARY
> ---------------------------------------------------------------------------
> Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
> 	gem at rellim.com  Tel:+1 541 382 8588

I don't have a baseline - I wouldn't know bad numbers if I saw them.

You'll have to bisect on this.  Maybe something will jump out at us
when we look at the diff.
-- 
		<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 811 bytes
Desc: not available
URL: <http://lists.ntpsec.org/pipermail/devel/attachments/20161011/9de2f521/attachment.bin>


More information about the devel mailing list