Ubuntu check cpu usage command line

In a previous article, we put together a list of 10 useful commands to collect system and hardware information in Linux. In this guide, we will narrow down to the CPU/processor, and show you various ways of extracting detailed information about your machine CPU.

Just to give you an overview, we will query information such as CPU architecture, vendor_id, model, model name, number of CPU cores, speed of each core, and lots more.
Essentially, the /proc/cpuinfo contains this all info, every other command/utility gets its output from this file.

With that said, below are 9 commands for getting info about your Linux CPU.

1.

Get CPU Info Using cat Command

You can simply view the information of your system CPU by viewing the contents of the /proc/cpuinfo file with the help of cat command as follows:

$ cat /proc/cpuinfo

Linux CPU Information

processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 69 model name : Intel(R) Core(TM) i5-4210U CPU @ 1.70GHz stepping : 1 microcode : 0x1c cpu MHz : 1700.062 cache size : 3072 KB physical id : 0 siblings : 4 core id : 0 cpu cores

how to check cpu core usage in linux

how to check process cpu usage in linux