FUNCTION::USTACK

Section: Context Functions (3stap)
Updated: November 2020
Page Index
 

NAME

function::ustack - Return address at given depth of user stack backtrace  

SYNOPSIS

    ustack:long(n:long)
 

ARGUMENTS

n

number of levels to descend in the stack.
 

DESCRIPTION

Performs a simple (user space) backtrace, and returns the element at the specified position. The results of the backtrace itself are cached, so that the backtrace computation is performed at most once no matter how many times ustack is called, or in what order.  

SEE ALSO

tapset::ucontext-symbols(3stap)

 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
SEE ALSO