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Manual Pages  — CLOCKS


clocks – various system timers



#include <time.h>


HZ is not part of the application interface in BSD .

There are many different real and virtual (timekeeping) clocks with different frequencies:

Summary: if HZ is not 1000000 then the application is probably using the wrong clock.


gprof(1), clock_gettime(2), getitimer(2), getrusage(2), gettimeofday(2), select(2), clock(3), moncontrol(3), times(3)


This manual page was written by Jörg Wunsch after a description posted by Bruce Evans.

CLOCKS (7) January 18, 2008

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