function::ubacktrace
Name
function::ubacktrace — Hex backtrace of current task stack. EXPERIMENTAL!
Synopsis
function 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.
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.
