use strict;
use warnings;

use XML::Simple;
use Data::Dumper;

my $ref = XMLin(\*DATA, forcearray=>1, keyattr=>{wrapper=>"name"});

# feel free to uncomment these Dumps
#print Dumper $ref;

for (@{$ref->{wrapper}{'testName 1.0.3'}{parm}}) {

   #print Dumper $_;

   while(my ($k,$v) = each %$_) {
      print "$k => $v\n";
   }
}

__DATA__
<config>
 ... rest of XML ...