Measure CPU/memory usage of child processes

[ekisu]

Feature Request

Right now, the CPU/memory usage displayed on the TUI only considers the spawned process, but does not consider the usage of their spawned subprocesses. It would be nice if the combined CPU/memory usage was shown instead.

Use Case:

In my case, I use just to run the actual processes I need. I could imagine this also being useful for some servers that spawn subprocesses eg. nginx

Proposed Change:

Sum the usages of the spawned process and all its subprocesses; and display those on the TUI

Who Benefits From The Change(s)?

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Alternative Approaches

Aside from looking at htop/similar tools, none really