labs: kernel: debugging: mention decode_stacktrace.sh

Signed-off-by: Miquel Raynal <[email protected]>

labs/kernel-debugging/kernel-debugging.tex

@@ -148,7 +148,9 @@ \subsection{Locating the exact line where the error happens}
 
 A little understanding of assembly instructions on the architecture
 you are working on helps, but seeing the original C code should answer
-most questions.
+most questions. Anyway, it is also possible to get an automated
+translation of the symbol offsets using
+\code{scripts/decode_stacktrace.sh} (in the kernel sources).
 
 Note that the same technique works if the error comes directly from
 the code of a module. Just dissassemble the \code{.o} file