Also see Test::Parser for functions available from the base class.
Creates a new Test::Parser::Sar instance.
Also calls the Test::Parser base class new() routine.
Takes no arguments.
Returns a hash representation of the sar data.
Override of Test::Parsers default parse() routine to make it able
to parse sar output. Support only reading from a file until a better
parsing algorithm comes along.
Returns sar data transformed into XML.