########################
yum -y install perl-ExtUtils-CBuilder
yum -y install perl-ExtUtils-MakeMaker
yum -y install perl-DBD-MySQL
tar -xzvf percona-toolkit-3.5.2_x86_64.tar.gz
cd percona-toolkit-3.5.2
perl Makefile.PL
make
make install
# 默认安装到了/usr/local/bin
