Messages in this thread | | | Subject | Re: [RFC - 0/9] Generic timekeeping subsystem (v. B5) | From | john stultz <> | Date | Tue, 16 Aug 2005 17:17:29 -0700 |
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On Tue, 2005-08-16 at 17:14 -0700, Christoph Lameter wrote: > On Tue, 16 Aug 2005, john stultz wrote: > > > This is basically what I do in my patch. I directly apply the NTP > > adjustment to the timesource interval, and periodically increment the > > NTP state machine by the timesource interval when we accumulate it. > > Is there some way to tell the NTP code how much the time_interpolator time > deviates from xtime? > > If the NTP code would use getnstimeofday or > do_gettimeofday then it would already get interpolated time.
That seems a bit backwards, no?
> The curious issue in the current arrangement is that the interpolator > knows much more accurately how much time has passed between interrupts > than the timer interrupt but it has no time to make that information > available to the NTP code.
That is why I'm suggesting time_interpolator users to move to my code (when they're ready, of course :).
thanks -john
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