Re: [PATCH 2/3] ptp: add a software clock based onclock_monotonic_raw

From: Richard Cochran
Date: Fri Mar 04 2011 - 01:46:39 EST


On Thu, Mar 03, 2011 at 11:34:04AM -0800, john stultz wrote:
> On Thu, 2011-03-03 at 18:26 +0100, Torben Hohn wrote:
> > First version of a software clock. Not very useful yet,
> > as it doesnt generate events, but at least it allows
> > for testing the ptp framework without special hardware.
>
> So in the past, I pushed back on Richard for having something similar,
> as I'm not psyched about duplicating interfaces. However, your
> implementation is CLOCK_MONOTONIC_RAW instead of CLOCK_REALTIME and it
> keeps the adjustments internal, I'm not as opposed.

(Aha! So it is okay after all ;)

I do think a software only PHC will make it easier for people to get
started with the new interface. I have been carrying along such a
patch privately for my own testing.

Thanks,

Richard
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