netdev - Re: Extending socket timestamping API for NTP

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Date:   Mon, 27 Mar 2017 12:21:28 -0700
From:   Denny Page <dennypage@...com>
To:     Richard Cochran <richardcochran@...il.com>
Cc:     Miroslav Lichvar <mlichvar@...hat.com>, netdev@...r.kernel.org,
        Jiri Benc <jbenc@...hat.com>,
        "Keller, Jacob E" <jacob.e.keller@...el.com>,
        Willem de Bruijn <willemb@...gle.com>
Subject: Re: Extending socket timestamping API for NTP

[Resend in plain text for vger]

> On Mar 27, 2017, at 11:28, Richard Cochran <richardcochran@...il.com> wrote:
> 
> I didn't do anything super methodical, and I didn't keep notes, but I
> had a phyter (whose delays were published by TI and independently
> confirmed in a ISPCS paper by Christian Riesch) and an i210 with a 100
> MBit link and with a PPS between them.  The phyter's numbers are
> correct to within a nanosecond, and I saw that the i210 was repeatedly
> landing at the published extreme of the range.  I don't remember which
> extreme, and I didn't repeat more than a few times, however.

Do you still have the resulting correction values from this?

Thanks,
Denny