centos man page for function::jiffies

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

NAME
       function::jiffies - Kernel jiffies count

SYNOPSIS
	   jiffies:long()

ARGUMENTS
       None

DESCRIPTION
       This function returns the value of the kernel jiffies variable. This value is incremented periodically by timer interrupts, and may wrap
       around a 32-bit or 64-bit boundary. See HZ.

SystemTap Tapset Reference					     June 2014						  FUNCTION::JIFFIES(3stap)