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SubjectRe: Linux 2.2.18: /proc/apm slows system time (was: Linux 2.2.19pre3)
On Tue, 02 Jan 2001, Alan Cox wrote:

> The TSC one is fairly sane, the CMOS gets messy because host and CMOS time
> are not always the same

The idea is to read out the CMOS clock before and after polling the
BIOS, hoping that the BIOS would not tamper with the CMOS time. However,
thinking more elaborately, I think, CMOS is limited to 1 s, so the
granularity will make the whole thing pretty vain.

Matthias Andree
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