Provided by: systemtap-doc_2.3-1ubuntu1_all bug

NAME

       function::target_set_pid - Does pid descend from target process?

SYNOPSIS

           target_set_pid(pid:)

ARGUMENTS

       pid
           The pid of the process to query

DESCRIPTION

       This function returns whether the given process-id is within the “target set”, that is
       whether it is a descendant of the top-level target process.