use XML::Twig::XPath;

my $t = XML::Twig->new( twig_roots   => 
						{ 
							'BalancerStatus/WebServer/OverallConnectionPoolStatus' => \&section,	
           				}); 
$t->parsefile( 'localhost.xml');

#
sub section {
	my ($t, $section) = @_;

	print $section->get_xpath( q{//OverallConnectionPoolStatus/FlowRater[Name='Total.IncomingReq']} );
	$t->purge;
}

##</code><code>##

    use XML::XPath;
    use XML::XPath::XMLParser;
    
    my $xp = XML::XPath->new(filename => 'chunk.xml');
    
    my $nodeset = $xp->find( q{//OverallConnectionPoolStatus/FlowRater[Name='Total.IncomingReq']} ); # find all paragraphs
    
    foreach my $node ($nodeset->get_nodelist) {
        print "FOUND\n\n", 
            XML::XPath::XMLParser::as_string($node),
            "\n\n";
    }