Tecadmin published a tutorial about installing and configuring Sysstat on Ubuntu 20.04.
How to Install and Configure Sysstat on Ubuntu 20.04
Sysstat is a powerful system performance monitoring tool written in C language. This is the best tool I found for the debugging of performance issues on my Linux systems. You can view the system performance data in real time or analyze data from the saved archives. Sysstat is an opensource and freely available tool.
How to Install and Configure Sysstat on Ubuntu 20.04
