|| FreeBSD Kernel Developer's Manual
convert time interval to tick count
#include < sys/time.h>
tvtohz( struct timeval *tv);
tvtohz() function accepts a single argument
tv which specifies the time interval over which to calculate the number of system ticks that would elapse.
RETURN VALUES Returns the integral number of system ticks expected to elapse in the given interval, including the current tick.
tvtohz function first appeared in
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