Control group /:
-.slice
|-user.slice 
| `-user-500.slice 
|   |-user@500.service ...
|   | |-session.slice 
|   | | |-pulseaudio.service 
|   | | | `- 2996 /usr/bin/pulseaudio --daemonize=no --log-target=journal
|   | | `-dbus.service 
|   | |   |- 3000 /bin/dbus-daemon --session --address=systemd: --nofork --no...
|   | |   |- 3205 /usr/libexec/goa-daemon
|   | |   |- 3213 mate-menu
|   | |   `- 3218 /usr/libexec/goa-identity-service
|   | |-background.slice 
|   | | `-tracker-miner-fs-3.service 
|   | |   `- 3366 /usr/libexec/tracker-miner-fs-3
|   | |-app.slice 
|   | | |-gvfs-goa-volume-monitor.service 
|   | | | `- 3201 /usr/libexec/gvfs/gvfs-goa-volume-monitor
|   | | |-dconf.service 
|   | | | `- 3145 /usr/libexec/dconf-service
|   | | |-gvfs-daemon.service 
|   | | | |- 3005 /usr/libexec/gvfs/gvfsd
|   | | | |- 3013 /usr/libexec/gvfs/gvfsd-fuse /run/user/500/gvfs -f
|   | | | |- 3292 /usr/libexec/gvfs/gvfsd-trash --spawner :1.2 /org/gtk/gvfs/...
|   | | | |- 3649 /usr/libexec/gvfs/gvfsd-network --spawner :1.2 /org/gtk/gvf...
|   | | | `- 3662 /usr/libexec/gvfs/gvfsd-dnssd --spawner :1.2 /org/gtk/gvfs/...
|   | | |-gvfs-udisks2-volume-monitor.service 
|   | | | `- 3186 /usr/libexec/gvfs/gvfs-udisks2-volume-monitor
|   | | |-gvfs-gphoto2-volume-monitor.service 
|   | | | `- 3222 /usr/libexec/gvfs/gvfs-gphoto2-volume-monitor
|   | | |-obex.service 
|   | | | `- 3331 /usr/libexec/bluetooth/obexd
|   | | |-at-spi-dbus-bus.service 
|   | | | |- 3115 /usr/libexec/at-spi-bus-launcher
|   | | | |- 3120 /bin/dbus-daemon --config-file=/usr/share/defaults/at-spi2/...
|   | | | `- 3153 /usr/libexec/at-spi2-registryd --use-gnome-session
|   | | |-gvfs-metadata.service 
|   | | | `- 3387 /usr/libexec/gvfs/gvfsd-metadata
|   | | |-gvfs-mtp-volume-monitor.service 
|   | | | `- 3258 /usr/libexec/gvfs/gvfs-mtp-volume-monitor
|   | | `-gvfs-afc-volume-monitor.service 
|   | |   `- 3196 /usr/libexec/gvfs/gvfs-afc-volume-monitor
|   | `-init.scope 
|   |   |- 2987 /lib/systemd/systemd --user
|   |   `- 2989 (sd-pam)
|   `-session-3.scope 
|     |- 2913 lightdm --session-child 12 19
|     |- 3004 /usr/bin/gnome-keyring-daemon --daemonize --login
|     |- 3011 /usr/bin/mate-session
|     |- 3067 ssh-agent -u
|     |- 3151 /usr/libexec/mate-settings-daemon
|     |- 3164 marco
|     |- 3171 mate-panel
|     |- 3206 /usr/bin/caja
|     |- 3226 parcellite
|     |- 3227 blueberry-obex-agent
|     |- 3230 /usr/libexec/polkit-mate-authentication-agent-1
|     |- 3232 /usr/bin/python3 /usr/share/system-config-printer/applet.py
|     |- 3236 mate-screensaver
|     |- 3242 mate-power-manager
|     |- 3244 apt-indicator --autostarted
|     |- 3247 nm-applet
|     |- 3256 blueberry-tray
|     |- 3260 mate-volume-control-status-icon
|     |- 3348 /bin/sh /usr/share/blueberry/safechild /usr/sbin/rfkill event
|     |- 3349 /usr/sbin/rfkill event
|     |- 3422 mate-terminal
|     |- 3469 bash
|     |- 3476 su -
|     |- 3482 -bash
|     |- 4007 /bin/bash ./run.sh logs
|     |- 4519 /usr/libexec/mate-screensaver/floaters /usr/share/pixmaps/gnome...
|     |- 4562 dbus-launch --exit-with-session /usr/bin/mate-session --version
|     |- 4563 /bin/dbus-daemon --syslog --fork --print-pid 5 --print-address ...
|     |- 4676 /usr/bin/python2.7 /usr/sbin/sosreport
|     |- 4815 timeout 300s systemd-cgls
|     `- 4816 systemd-cgls
|-init.scope 
| `- 1 /sbin/init splash
`-system.slice 
  |-systemd-udevd.service 
  | |- 2095 /lib/systemd/systemd-udevd
  | |- 4742 (udev-worker)
  | |- 4769 (udev-worker)
  | |- 4770 (udev-worker)
  | `- 4771 (udev-worker)
  |-polkit.service 
  | `- 2370 /usr/libexec/polkit-1/polkitd --no-debug
  |-chronyd.service 
  | `- 3874 /usr/sbin/chronyd
  |-bluetooth.service 
  | `- 2613 /usr/libexec/bluetooth/bluetoothd
  |-accounts-daemon.service 
  | `- 2346 /usr/libexec/accounts-daemon
  |-wpa_supplicant.service 
  | `- 2626 /usr/sbin/wpa_supplicant -u
  |-lightdm.service 
  | |- 2763 /usr/sbin/lightdm
  | `- 2771 X -nolisten tcp :0 -seat seat0 -auth /run/lightdm/root/:0 -nolist...
  |-ModemManager.service 
  | `- 2490 /usr/sbin/ModemManager
  |-systemd-journald.service 
  | `- 2062 /lib/systemd/systemd-journald
  |-sshd.service 
  | `- 3605 /usr/sbin/sshd -D
  |-crond.service 
  | `- 2646 /usr/sbin/crond -n
  |-colord.service 
  | `- 2653 /usr/libexec/colord
  |-NetworkManager.service 
  | `- 2499 /usr/sbin/NetworkManager --no-daemon
  |-system-cups.slice 
  | `-cups.service 
  |   |- 2641 /usr/sbin/cupsd -l
  |   `- 3894 /usr/lib/cups/notifier/dbus dbus://
  |-cups-browsed.service 
  | `- 2977 /usr/sbin/cups-browsed
  |-pcscd.service 
  | `- 3631 /usr/sbin/pcscd --foreground --auto-exit
  |-smb.service 
  | |- 3607 /usr/sbin/smbd --foreground --no-process-group
  | |- 3610 /usr/sbin/smbd --foreground --no-process-group
  | `- 3611 /usr/sbin/smbd --foreground --no-process-group
  |-upower.service 
  | `- 2380 /usr/libexec/upower/upowerd
  |-alteratord.service 
  | `- 2348 /usr/bin/guile --no-auto-compile /usr/sbin/alteratord
  |-udisks2.service 
  | `- 2378 /usr/libexec/udisks2/udisksd
  |-dbus.service 
  | `- 2366 /bin/dbus-daemon --system --address=systemd: --nofork --nopidfile...
  |-avahi-daemon.service 
  | |- 2350 avahi-daemon: running [kq2k9dtqjzlrw.local]
  | `- 2389 avahi-daemon: chroot helper
  `-systemd-logind.service 
    `- 2376 /lib/systemd/systemd-logind
