FUNCTION::PRINT_UBAC(3stap) Context FunctionsFUNCTION::PRINT_UBAC(3stap)
function::print_ubacktrace_fileline - Print stack back trace for current user-space task.
1) print_ubacktrace_fileline() 2) print_ubacktrace_fileline(pc:long,sp:long,fp:long)
pc override PC sp override SP fp override FP
1) 2) Equivalent toprint_ubacktrace, but output for each symbol is longer including file names and line numbers. Equivalent to print_ubacktrace_fileline, but it performs the backtrace using the pc, sp, and fp passed in.
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.
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Pages that refer to this page: tapset::ucontext-unwind(3stap)