2.4.13. lscpu

lscpu displays CPU architecture, core, and thread information.

2.4.13.1. Common lscpu usage

On Linux, show the number of cores and threads:

lscpu | grep -E 'Core|Thread'

• core: physical processing unit

• thread: logical execution path

  • can use simultaneous multithreading (SMT)

  • Intel calls SMT “hyper-threading,” allowing each core to run 2 threads concurrently