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

NAME

       function::user_string_n_warn - Retrieves string from user space

SYNOPSIS

           user_string_n_warn:string(addr:long,n:long)

ARGUMENTS

       addr
           the user space address to retrieve the string from

       n
           the maximum length of the string (if not null terminated)

DESCRIPTION

       Returns up to n characters of a C string from a given user space memory address. Reports
       “<unknown>” on the rare cases when userspace data is not accessible and warns (but does
       not abort) about the failure.