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function::ucallers
Name
function::ucallers — Return first n elements of user stack backtrace
Synopsis
ucallers:string(n:long)
Arguments
n- number of levels to descend in the stack (not counting the top level). If n is -1, print the entire stack.
Description
This function returns a string of the first n hex addresses from the backtrace of the user stack. Output may be truncated as per maximum string length (MAXSTRINGLEN).
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.
