| Re: [chrony-dev] SW/HW timestamping on Linux |
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On Wed, Jan 18, 2017 at 06:56:08PM +0100, Miroslav Lichvar wrote:
> Avoiding the asymmetry on the PCIe bus is what I'm most interested in.
> I'll add support for the new ioctl, but I wanted to test it first. I
> think I found a system that has art and e1000e in our lab, so I'll see
> if I can test it there.
FWIW, I did some tests with the new ioctl and an i219, and as far as
stability is concerned it seems to be worse than the standard
approach. I was expecting it would be much better. There is an offset
of about 400-500ns betweem them and I'm not sure which should be
trusted.
--
Miroslav Lichvar
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