> systemd-cgls [OPTION…] [CGROUP…]
> systemd-cgls [OPTION…] --unit|--user-unit UNIT…

Recursively show control group contents.

Options:
  -h --help              Show this help
     --version           Show package version
     --no-pager          Do not start a pager
  -a --all               Show all groups, including empty
  -u --unit[=UNIT]       Show the subtrees of specified system units
     --user-unit[=UNIT]  Show the subtrees of specified user units
     --xattr[=BOOL]      Show cgroup extended attributes
  -x                     Same as --xattr=true
     --cgroup-id[=BOOL]  Show cgroup ID
  -c                     Same as --cgroup-id=true
  -l --full              Do not ellipsize output
  -k                     Include kernel threads in output
  -M --machine=CONTAINER Operate on local container

See the systemd-cgls(1) man page for details.