wget http://www.percona.com/redir/downloads/percona-toolkit/2.1.1/percona-toolkit-2.1.1.tar.gz
yum -y install perl-devel
yum -y install perl-CPAN
tar xzvf percona-toolkit-2.1.1.tar.gz
cd percona-toolkit-2.1.1
perl Makefile.PL
make
make test
make install