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

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FUNCTION::USTACK(3stap) 		Context Functions		  FUNCTION::USTACK(3stap)

NAME
       function::ustack - Return address at given depth of user stack backtrace

SYNOPSIS
	   ustack:long(n:long)

ARGUMENTS
       n
	   number of levels to descend in the stack.

DESCRIPTION
       Performs a simple (user space) backtrace, and returns the element at the specified
       position. The results of the backtrace itself are cached, so that the backtrace
       computation is performed at most once no matter how many times ustack is called, or in
       what order.

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