Remove 'extra' attribute from ophelp XML output; bump schema version
As discussed on the oprofile mailing list on Sep 24, 2013, there is
no value add in keeping the 'extra' attribute in ophelp's XML output.
The previous commit added the 'name' field to the XML output, and
that is actual valuable information that consumers of the XML output
should use when coding event specifications to pass to operf or
This patch removes the 'extra' attribute and also bumps the schema
version (both in the ophelp.xsd and the XML instance documents).
The schema bump is needed mostly due to removing the 'extra' attribute;
but another reason for it is to draw attention to the new 'name'
attribute, which consumers really must use (when present) in order
to be sure they can properly specify the unitmask that the user
Signed-off-by: Maynard Johnson <firstname.lastname@example.org>