Issue

• Getting parse errors while running the iostat-scsi systemtap script.

# stap /usr/share/doc/systemtap-client-1.8/examples/io/iostat-scsi.stp 10
parse error: embedded code in unprivileged script; need stap -g
        saw: embedded-code at /usr/share/doc/systemtap-client-1.8/examples/io/iostat-scsi.stp:28:1
     source: %{
             ^
parse error: embedded code in unprivileged script; need stap -g
        saw: embedded-code at /usr/share/doc/systemtap-client-1.8/examples/io/iostat-scsi.stp:32:39
     source: function get_nr_sectors:long(rq:long) %{ /* pure */
                                                   ^
2 parse errors.
Pass 1: parse failed.  Try again with another '--vp 1' option.

• Semantic error while running stap script.

# stap -v --all-modules bt.stap
semantic error: missing x86_64 kernel/module debuginfo [man warning::debuginfo] under '/lib/modules/2.6.32-504.8.1.el6.x86_64/build'
semantic error: while resolving probe point: identifier 'kernel' at :13:7
        source: probe kernel.function("__sock_create").call
                      ^

semantic error: missing x86_64 kernel/module debuginfo [man warning::debuginfo] under '/lib/modules/2.6.32-504.8.1.el6.x86_64/build'