Linux performance tools

On Centos/RH
yum install sysstat

vmstat -w 2
mpstat -P ALL 2
iostat -dxm 10

nmon:
wget http://pkgs.repoforge.org/nmon/nmon-14g-1.el6.rf.x86_64.rpm
rpm -ivh nmon-14g-1.el6.rf.x86_64.rpm

nicstat

wget http://nchc.dl.sourceforge.net/project/nicstat/nicstat-1.92.tar.gz
untar
yum install glibc.i686
ln -s .nicstat.RedHat_5_i386 .nicstat.RedHat_6_i386