root@squeeze-build-amd64:~# grep CPULIMIT /etc/vz/conf/100.conf 
CPULIMIT="30"
root@squeeze-build-amd64:~# vzctl enter 100
entered into CT 100
root@squeeze-601-i386-minimal:~# grep MHz /proc/cpuinfo 
cpu MHz		: 496.419
root@squeeze-601-i386-minimal:/# free -m
             total       used       free     shared    buffers     cached
Mem:           256         14        241          0          0         10
-/+ buffers/cache:          3        252
Swap:          128          0        128