Describe handling of an AF_UNIX socket

[elogind.git] / man / systemd-cgtop.xml

diff --git a/man/systemd-cgtop.xml b/man/systemd-cgtop.xml
index 7a34512b2193448533cbf6dc5e17d185e0d7b1a2..e765172234ac46176b8ec7a76ebf9deaecad26c9 100644 (file)
--- a/man/systemd-cgtop.xml
+++ b/man/systemd-cgtop.xml
@@ -49,7 +49,8 @@
 
         <refsynopsisdiv>
                 <cmdsynopsis>
-                        <command>systemd-cgtop <arg choice="opt" rep="repeat">OPTIONS</arg></command>
+                        <command>systemd-cgtop</command>
+                        <arg choice="opt" rep="repeat">OPTIONS</arg>
                 </cmdsynopsis>
         </refsynopsisdiv>
 
@@ -58,10 +59,14 @@
 
                 <para><command>systemd-cgtop</command> shows the top
                 control groups of the local Linux control group
-                hierarchy, ordered by their CPU, memory and disk I/O load. The
+                hierarchy, ordered by their CPU, memory, or disk I/O load. The
                 display is refreshed in regular intervals (by default
                 every 1s), similar in style to
-                <citerefentry><refentrytitle>top</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
+                <citerefentry><refentrytitle>top</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
+                If <command>systemd-cgtop</command> is not connected
+                to a tty, only one iteration is performed and no
+                columns headers are printed. This mode is suitable for
+                scripting.</para>
 
                 <para>Resource usage is only accounted for control
                 groups in the relevant hierarchy, i.e. CPU usage is
@@ -78,7 +83,7 @@
                 <literal>blkio</literal> and <literal>memory</literal>
                 to the <varname>DefaultControllers=</varname> setting
                 in <filename>/etc/systemd/system.conf</filename> (see
-                <citerefentry><refentrytitle>systemd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+                <citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 for details). Alternatively, it is possible to enable
                 resource accounting individually for services, by
                 making use of the <varname>ControlGroup=</varname>
@@ -244,6 +249,13 @@
                                 load, respectively.</para></listitem>
                         </varlistentry>
 
+                        <varlistentry>
+                                <term>%</term>
+
+                                <listitem><para>Toggle between showing CPU time as
+                                time or percentage.</para></listitem>
+                        </varlistentry>
+
                         <varlistentry>
                                 <term>+</term>
                                 <term>-</term>