Linux View CPU Information commands and simple examples _linux

Sometimes the leader will ask you how many cores a server is, how many threads, is not will be Meng, the following teach you how to see Cpuinfo

1, view the number of CPUs:

# Cat/proc/cpuinfo | grep ' Physical ID ' | Sort-u

2, view the number of CPU cores:

# Cat/proc/cpuinfo | grep ' Core ID ' | Sort-u | Wc-l

3. View CPU Threads:

# Cat/proc/cpuinfo | grep ' Processor ' | Sort-u | Wc-l

Eg: the information given in the following figure is: a 2-core, total 4-thread CPU (1 cores are two-threaded)

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