Yo Hal! On Mon, 01 Aug 2016 02:40:11 -0700 Hal Murray <hmur...@megapathdsl.net> wrote:
> Here are the before and after graphs: > http://users.megapathdsl.net/~hmurray/ntpsec/PPS-kernel.png > The data is from two separate days so this isn't a clean comparison. > I don't know what that machine was doing on either day. I would have expected your non-kernel PLL to be 30x or 100x better. Even on a RasPi2 I get much better, -400 ᵤSec to +800ᵤSec offset on the PPS: https://pi2.rellim.com/day/#PPS Are you sure your kernel PPS (RFC 2783) time stamping is working? RGDS GARY --------------------------------------------------------------------------- Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703 g...@rellim.com Tel:+1 541 382 8588
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