Re: [Linuxptp-devel] Limited success with hardware PTP

2015-03-03 Thread Miroslav Lichvar
> Miroslav Lichvar wrote: > > The default precision of the SHM refclock in chrony is 1 microsecond, > > it won't report jitter smaller than that. Add "precision 1e-9" to the > > SHM line in your chrony.conf to fix that. > > Ah, that explains a lot. Will that fix the jitter computation? Yes, the

Re: [Linuxptp-devel] Limited success with hardware PTP

2015-03-03 Thread Gary E. Miller
Yo Miroslav! On Tue, 3 Mar 2015 09:31:58 +0100 Miroslav Lichvar wrote: > > Miroslav Lichvar wrote: > > > The default precision of the SHM refclock in chrony is 1 > > > microsecond, it won't report jitter smaller than that. Add > > > "precision 1e-9" to the SHM line in your chrony.conf to fix th

Re: [Linuxptp-devel] Stability tests linuxptp 1.5

2015-03-03 Thread Gary E. Miller
Yo Richard! On Tue, 3 Mar 2015 08:47:00 +0100 Richard Cochran wrote: > On Mon, Mar 02, 2015 at 03:27:33PM -0800, Gary E. Miller wrote: > > Any idea when they will hit the kernel mainline? > > Those patches are already in v4.0-rc1, and so they will definitely > appear in the upcoming v4.0. Cool

Re: [Linuxptp-devel] Limited success with hardware PTP

2015-03-03 Thread Miroslav Lichvar
On Tue, Mar 03, 2015 at 12:38:41AM -0800, Gary E. Miller wrote: > > > Ah, that explains a lot. Will that fix the jitter computation? > > > > Yes, the +/- value in the chronyc sources output should be smaller > > than 1 us now. It's mostly a cosmetic issue, it likely won't have any > > noticeable

Re: [Linuxptp-devel] Limited success with hardware PTP

2015-03-03 Thread Gary E. Miller
Yo Miroslav! On Tue, 3 Mar 2015 10:28:37 +0100 Miroslav Lichvar wrote: > On Tue, Mar 03, 2015 at 12:38:41AM -0800, Gary E. Miller wrote: > > > > Ah, that explains a lot. Will that fix the jitter computation? > > > > > > Yes, the +/- value in the chronyc sources output should be smaller > > > t

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