Argh so there isnt even a register you can poll ?
> available (not used now). On the other hand, I want to timestamp
> everything tightly. I was wondering, which system call gets data
> directly from 8053 timer under Linux?
8253 I think (well nowdays random bit of integrated chipset). The
gettimeofday() call reads it - but its actually quite slow to read. Pentium
and higher processors use the RDTSC CPU internal time clock for the
same purpose
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