Sur Redhat
uname -p
x86_64
Sur Ubuntu
apt-get install lscpu
lscpu
Architecture: i686
CPU op-mode(s): 64-bit
CPU(s): 1
Thread(s) per core: 1
Core(s) per socket: 1
CPU socket(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 44
Stepping: 2
CPU MHz: 2532.613
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 12288K