#!/bin/sh
for VZ in $(/usr/sbin/vzlist -H -o veid); do
  echo -n "CPU usage for VEID $VZ: " && vzps h -o %cpu -E $VZ |\
   awk '{sum += $1} END {print sum}';
done

#!/bin/sh for VZ in $(/usr/sbin/vzlist -H -o veid); do echo -n "CPU usage for VEID $VZ: " && vzps h -o %cpu -E $VZ |\ awk '{sum += $1} END {print sum}'; done