- <term><varname>DefaultControllers=cpu</varname></term>
-
- <listitem><para>Configures in which
- cgroup controller hierarchies to
- create per-service cgroups
- automatically, in addition to the
- name=systemd named hierarchy. Defaults
- to 'cpu'. Takes a space separated list
- of controller names. Pass an empty
- string to ensure that systemd does not
- touch any hierarchies but its
- own.</para>
-
- <para>Note that the default value of
- 'cpu' will make realtime scheduling
- unavailable to system services. See
- <ulink
- url="http://www.freedesktop.org/wiki/Software/systemd/MyServiceCantGetRealtime">My
- Service Can't Get Realtime!</ulink>
- for more
- information.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><varname>JoinControllers=cpu,cpuacct,cpuset net_cls,netprio</varname></term>