Name
function::print_ubacktrace —
Print stack back trace for current user-space task.
Synopsis
1) print_ubacktrace()
2) print_ubacktrace(pc:long,sp:long,fp:long)
Arguments
pc
override PC
sp
override SP
fp
override FP
Description
1)
2) Equivalent to print_ustack(ubacktrace
), except that deeper stack
nesting may be supported. Returns nothing. See print_backtrace
for kernel backtrace.
Equivalent to print_ubacktrace
, but it performs the backtrace
using the pc, sp, and fp provided. Useful
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.