centos man page for function::ubacktrace

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

NAME
       function::ubacktrace - Hex backtrace of current user-space task stack.

SYNOPSIS
	   ubacktrace:string()

ARGUMENTS
       None

DESCRIPTION
       Return a string of hex addresses that are a backtrace of the stack of the current task. Output may be truncated as per maximum string
       length. Returns empty string when current probe point cannot determine user backtrace. See backtrace for kernel traceback.

NOTE
       To get (full) backtraces for user space applications and shared shared libraries not mentioned in the current script run stap with -d
       /path/to/exe-or-so and/or add --ldd to load all needed unwind data.

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