systemd-cgls

Show the contents of the selected Linux control group hierarchy in a tree. More information: https://www.freedesktop.org/software/systemd/man/systemd-cgls.html.

• Display the whole control group hierarchy on your system:

systemd-cgls

• Display a control group tree of a specific resource controller:

systemd-cgls cpu|memory|io

• Display the control group hierarchy of one or more systemd units:

systemd-cgls --unit unit1 unit2 ...