man7.org > Linux > man-pages

Linux/UNIX system programming training

function::ubacktrace(3stap) — Linux manual page

NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | NOTE | SEE ALSO | COLOPHON 

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

NAME         top

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

SYNOPSIS         top

           ubacktrace:string()

ARGUMENTS         top

       None

DESCRIPTION         top

       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         top

       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         top

       tapset::ucontext-unwind(3stap)

COLOPHON         top

       This page is part of the systemtap (a tracing and live-system
       analysis tool) project.  Information about the project can be
       found at ⟨https://sourceware.org/systemtap/⟩.  If you have a bug
       report for this manual page, send it to systemtap@sourceware.org.
       This page was obtained from the project's upstream Git repository
       ⟨git://sourceware.org/git/systemtap.git⟩ on 2024-06-14.  (At that
       time, the date of the most recent commit that was found in the
       repository was 2024-06-13.)  If you discover any rendering
       problems in this HTML version of the page, or you believe there
       is a better or more up-to-date source for the page, or you have
       corrections or improvements to the information in this COLOPHON
       (which is not part of the original manual page), send a mail to
       man-pages@man7.org

SystemTap Tapset Reference     April 2024    FUNCTION::UBACKTRACE(3stap)

Pages that refer to this page: tapset::ucontext-unwind(3stap)

HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface.

For details of in-depth Linux/UNIX system programming training courses that I teach, look here.

Hosting by jambit GmbH.

Cover of TLPI