[ntp:questions] what is the typical linux kernel clock like?
Thomas A. Horsley
tom.horsley at att.net
Sun Feb 12 18:38:58 UTC 2006
Just idle curiosity:
Does frequently dropped time of day clock interrupts still give the typical
linux kernel time keeping fits (to pick an example, the kernel version
shipped with redhat enterprise linux)?
Wasn't there some talk once of (on i86, anwyay) using something like the TSC
register to interpolate the interval between time of day interrupts so you
could get smooth time keeping even if you missed some interrupts? Has
anything like that made it into commonly distributed linux kernels? How
tricky does it get if the kernel also supports variable clock speeds for
power saving? :-).
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