FUNCTION::USTACK(3stap) Context Functions FUNCTION::USTACK(3stap)NAMEfunction::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.
SystemTap Tapset Reference November 2013 FUNCTION::USTACK(3stap)