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CentOS 7.0 - man page for function::get_cycles (centos section 3stap)

FUNCTION::GET_CYCLES(3stap)			 Timestamp Functions			  FUNCTION::GET_CYCLES(3stap)

NAME
function::get_cycles - Processor cycle count
SYNOPSIS
get_cycles:long()
ARGUMENTS
None
DESCRIPTION
This function returns the processor cycle counter value if available, else it returns zero. The cycle counter is free running and unsynchronized on each processor. Thus, the order of events cannot determined by comparing the results of the get_cycles function on different processors. SystemTap Tapset Reference June 2014 FUNCTION::GET_CYCLES(3stap)


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