ddi_get_lbolt() returns the value of lbolt where lbolt is an integer that represents the number of clock ticks since the last system reboot. This value is used as a counter or timer inside the system kernel. The tick frequency can be determined by using drv_usectohz(9F) which converts microseconds into clock ticks.
ddi_get_lbolt() returns the value oflbolt.
This routine can to be called from any context.