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

NAME

       function::user_string2_n_warn - Retrieves string from user space with alternative warning
       string

SYNOPSIS

           user_string2_n_warn:string(addr:long,n:long,warn_msg:string)

ARGUMENTS

       addr
           the user space address to retrieve the string from

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

       warn_msg
           the warning message to return when data isn't available

DESCRIPTION

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