gnome shell session vs. cinnamon session
========================================
# this is a list of processes, which run in addition to a cinnemon session on
# a vanilla install with a virgin user, i.e. ~ 350 MiB
# Ubuntu 16.04.02: ubuntu-gnome-desktop vs.
# cinnamon-desktop-environment+nemo+gstreamer*+network-manager-gnome+gnome-panel

avahi    19079     1  0.0  0.0   38592    2548 S    17:13:38 avahi-daemon: running [tpol2.local]
avahi    19081 19079  0.0  0.0   38460     304 S    17:13:38 avahi-daemon: chroot helper
foobar   22222     1  0.0  0.0  341324    6616 S    10:10:37 /usr/lib/gvfs/gvfsd-fuse /run/user/6018/gvfs -f -o big_writes
foobar   22264     1  0.0  0.0  405144    8948 S    10:10:37 /usr/lib/gvfs/gvfs-afc-volume-monitor
foobar   22270     1  0.0  0.0  261168    6148 S    10:10:37 /usr/lib/gvfs/gvfs-mtp-volume-monitor
foobar   22275     1  0.0  0.0  259064    5596 S    10:10:37 /usr/lib/gvfs/gvfs-goa-volume-monitor
foobar   22279     1  0.0  0.0  731392   30684 S    10:10:37 /usr/lib/gnome-online-accounts/goa-daemon
foobar   22287     1  0.0  0.0  283112    5276 S    10:10:37 /usr/lib/gnome-online-accounts/goa-identity-service
foobar   22289     1  0.0  0.0  376312    7828 S    10:10:37 /usr/lib/telepathy/mission-control-5
foobar   22295     1  0.0  0.0  273364    4560 S    10:10:37 /usr/lib/gvfs/gvfs-gphoto2-volume-monitor
foobar   22330     1  0.0  0.0  314188    9888 S    10:10:37 /usr/lib/tracker/tracker-store
foobar   22341 22155  0.0  0.0 1089680   39480 S    10:10:37 /usr/lib/evolution/evolution-alarm-notify
foobar   22364     1  0.0  0.0 1215532   21504 S    10:10:37 /usr/lib/evolution/evolution-source-registry
foobar   22372     1  0.0  0.0  851084   54104 S    10:10:36 /usr/lib/evolution/evolution-calendar-factory
foobar   22384 22372  0.0  0.0  876740   48672 S    10:10:36 /usr/lib/evolution/evolution-calendar-factory-subprocess --factory contacts --bus-name org.gnome.evolution.dataserver.Subprocess.Backend.Calendarx22372x2 --own-path /org/gnome/evolution/dataserver/Subprocess/Backend/Calendar/22372/2
foobar   22394     1  0.0  0.0  685796   14096 S    10:10:36 /usr/lib/evolution/evolution-addressbook-factory
foobar   22397 22372  0.0  0.0  861120   48556 S    10:10:36 /usr/lib/evolution/evolution-calendar-factory-subprocess --factory local --bus-name org.gnome.evolution.dataserver.Subprocess.Backend.Calendarx22372x3 --own-path /org/gnome/evolution/dataserver/Subprocess/Backend/Calendar/22372/3
foobar   22404 22394  0.0  0.0  900528   17744 S    10:10:36 /usr/lib/evolution/evolution-addressbook-factory-subprocess --factory local --bus-name org.gnome.evolution.dataserver.Subprocess.Backend.AddressBookx22394x2 --own-path /org/gnome/evolution/dataserver/Subprocess/Backend/AddressBook/22394/2
foobar   22650 22540  0.0  0.0  243108   24100 S    10:10:21 /usr/bin/python3 /usr/bin/chrome-gnome-shell /usr/lib/mozilla/native-messaging-hosts/org.gnome.chrome_gnome_shell.json