# Kernel Model for Precision Timekeeping

**URL:** <https://community.nwtime.org/t/kernel-model-for-precision-timekeeping/161>\
**Category:** Documentation\
**Created:** [February 11, 2026, 3:01pm UTC](https://community.nwtime.org/t/kernel-model-for-precision-timekeeping/161 "2026-02-11T15:01:06Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Dru](https://sea1.discourse-cdn.com/flex001/user_avatar/community.nwtime.org/dru/32/337_2.png) [@Dru](https://community.nwtime.org/u/Dru)\
**Post date:** [February 11, 2026, 3:01pm UTC](https://community.nwtime.org/t/kernel-model-for-precision-timekeeping/161/1 "2026-02-11T15:01:06Z")

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> **[Kernel Model for Precision Timekeeping](https://www.ntp.org/documentation/4.2.8-series/kern/)**
>
> The technical report describes an engineering model for a precision clock discipline function for a generic operating system. The model is the same hybrid phase/frequecy-lock feedback loop used by ntpd, but implemented in the kernel.