Last Updated : 16 Dec, 2022
Sysstat is a useful utility that includes a number of programs for monitoring system resources, performance, and use. The sysstat package contains a number of programs that we all use on a daily basis. It also includes a program that can be used to collect all performance and activity data.
Installing SysstatThe Sysstat package is available in the default package repositories and may be installed with the commands below.
$ sudo apt install sysstatCPU Usage
To view current CPU stats, use the sar command with the -u option.
$ sar -uIndividual CPU Utilization
The majority of modern CPUs are multi-core. Use the -P ALL command to see the utilization data of each core individually.
$ sar -P ALL 1 1Memory Usage
This is where you'll find the RAM statistics. “1 3” reports three times for everyonto second.
$ sar -r 1 3Examine Your Device's Usage
To find disc statistics, use the iostat command. It displays the current data transfer rate, the total number of blocks read and written to disc, and the average block rate.
$ iostat -d 1 5Viewing the Current Process
$ pidstat -d
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