Quickly View Processor Usage From Ubuntu Command Line

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It is simple to view the per processor usage and statistics in Ubuntu just using the command line.

To do this, first install sysstat using the following Terminal command :

sudo apt-get install sysstat

After it is installed, mpstat is the command to view the processor usage. To display the average CPU utilization per processor, simply type :

mpstat -P ALL

average CPU utilization for all processors using mpstat

The above example shows a dual processor system. Processor 0 is the first processor, 1 is the second and so on.

To only display utilization of 1st processor (processor 0), the command will be :

mpstat -P 0

displaying per processor usage using mpstat

To display all the detailed statistics for all processors :

mpstat -A

displaying all the usage info of all available processors using mpstat

mpstat can also be scheduled to display the processor activities after a fixed time interval. So, suppose all the processor stats need to be updated at end of every 5 seconds, the command for that will be :

mpstat 5

generating processor usage stats every 5 seconds using mpstat

To exit, hit Ctrl+C.

This is a simple and powerful command line system tool. Do try it out.

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