Messages in this thread | | | Date | Tue, 23 Aug 2005 23:34:05 +0200 (CEST) | From | Roman Zippel <> | Subject | Re: [RFC - 0/9] Generic timekeeping subsystem (v. B5) |
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Hi,
On Tue, 23 Aug 2005, john stultz wrote:
> In the case above, you're accumulating in fixed cycle intervals. This > does avoid having to do the mult/shift combo each interrupt, however > since you do not accumulate the entire interval, and there is some > sub-tick remainder in cycle_offset. We have to ensure that that sub-tick > remainder is accumulated at the next interrupt using the same ntp > adjustment it would use in a call to gettimeofday() just prior to this > interrupt.
Look closer and you'll notice that the cycle_offset remainder isn't lost. :)
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