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.

SEE ALSO

       tapset::ucontext-unwind(3stap)

SystemTap Tapset Reference                         April 2016                        FUNCTION::UBACKTRACE(3stap)