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How can I log and plot a graph of

  • all available hardware temperatures (CPU, SSD, etc).
  • CPU load

over a given time (say a day or a week) in linux?

The CPU is i7 haswell if this matters, I have both, an SSD and HDD in this box.

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If you want to code some of this yourself you should take a look at at RRDTool

You will need to script a method for inputting data to an RRD database and by running a simple command you can output png (the default) images of graphs.

Otherwise there are quite a large number of web based applications that can log and graph metrics on a server. One that immediately comes to mind is Cacti

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You also can take a look into Munin. Munin is a lightweight and easy to configurable monitoring tool.

http://munin-monitoring.org/

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Take a look at s-tui. (DISCLAIMER: I created s-tui) It lets you monitor temperature frequency and CPU utilization over time. No SSD temp at the moment.

You can check it out at https://github.com/amanusk/s-tui

Screenshot:
s-tui demonstration

Download the executable from releases, or run it with python by following the README on github.

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