=head2 Plugin C<cgroups_cpuacct>
-This plugin collects the CPU user/system time for each cgroup by reading the
-cpuacct.stat files in the first cpuacct-mountpoint (typically
-F</sys/fs/cgroup/cpu,cpuacct> on machines using systemd).
+This plugin collects the CPU user/system time for each I<cgroup> by reading the
+F<cpuacct.stat> files in the first cpuacct-mountpoint (typically
+F</sys/fs/cgroup/cpu.cpuacct> on machines using systemd).
=over 4
=item B<CGroup> I<Directory>
-Select cgroup based on the name.
+Select I<cgroup> based on the name. Whether only matching I<cgroups> are
+collected or if they are ignored is controlled by the B<IgnoreSelected> option;
+see below.
=item B<IgnoreSelected> B<true>|B<false>
-Invert the selection: If set to true, all cgroups B<except> the ones that
+Invert the selection: If set to true, all cgroups I<except> the ones that
match any one of the criteria are collected. By default only selected
cgroups are collected if a selection is made. If no selection is configured
at all, B<all> cgroups are selected.