Is there a program to record CPU load and later converting it into an image?

Question

I want to add a system usage diagram to our CI build server for our management so they can see that we need to buy a larger build server when the time has come

Should just save a png or svg image that occurred during last build.

Is there any simple program to do this? I don't want to add a whole prometheus/grafana pipeline setup to the build process.

Answer 1

As mentioned in to comments you can use sar which is part of sysstat package. To create graph from this data you can use ksar, RRDtool, sargraph and probably a lot of other software

Answer 2

You may find atop useful: https://www.atoptool.nl/netatop.php. When installed, it automatically collects historical data and provides basic reporting capabilities via atopsar.

I've also just found this tool which can be used to create graphs from atop metrics: https://github.com/aplsms/atop-graph

Answer 3

You can use a comprehensive monitoring tool like Netdata to gather realtime statistics.

https://www.netdata.cloud