You can use /proc/cpuinfo file or use the lscpu command to get info about CPU architecture. It will display information like:
- Number of CPUs
- Threads
- Cores
- Sockets
- NUMA nodes
- Information about CPU caches,
- CPU family, model and stepping.
- in human-readable format. Alternatively, it can print out in parsable
- format including how different caches are shared by different CPUs,
- which can also be fed to other programs.
$ less /proc/cpuinfo
OR
$ lscpu
Sample outputs:
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
CPU(s): 8
Thread(s) per core: 2
Core(s) per socket: 4
CPU socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 30
Stepping: 5
CPU MHz: 1199.000
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 8192K
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