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-rw-r--r--man/systemd-analyze.xml40
1 files changed, 40 insertions, 0 deletions
diff --git a/man/systemd-analyze.xml b/man/systemd-analyze.xml
index c2ff9cc5bd..533bc4264f 100644
--- a/man/systemd-analyze.xml
+++ b/man/systemd-analyze.xml
@@ -57,6 +57,9 @@
<cmdsynopsis>
<command>systemd-analyze <arg choice="opt" rep="repeat">OPTIONS</arg> plot <arg choice="opt">&gt; file.svg</arg></command>
</cmdsynopsis>
+ <cmdsynopsis>
+ <command>systemd-analyze <arg choice="opt" rep="repeat">OPTIONS</arg> dot </command>
+ </cmdsynopsis>
</refsynopsisdiv>
<refsect1>
@@ -90,6 +93,17 @@
been started at what time, highlighting the time they
spent on initialization.</para>
+ <para><command>systemd-analyze dot</command>
+ Generate textual dependency graph description in dot
+ format for further processing with the GraphViz
+ <citerefentry><refentrytitle>dot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ tool. Use a command line like <command>systemd-analyze
+ dot | dot -Tsvg > systemd.svg</command> to generate
+ a graphical dependency tree. Unless
+ <option>--order</option> or <option>--require</option>
+ is passed the generated graph will show both ordering
+ and requirement dependencies.</para>
+
<para>If no command is passed <command>systemd-analyze
time</command> is implied.</para>
@@ -116,6 +130,32 @@
of user sessions instead of the system
manager.</para></listitem>
</varlistentry>
+
+ <varlistentry>
+ <term><option>--order</option></term>
+ <term><option>--require</option></term>
+
+ <listitem><para>When used in
+ conjunction with the
+ <command>dot</command> command (see
+ above), selects which dependencies are
+ shown in the dependency graph. If
+ <option>--order</option> is passed
+ only dependencies of type
+ <varname>After=</varname> or
+ <varname>Before=</varname> are
+ shown. If <option>--require</option>
+ is passed only dependencies of type
+ <varname>Requires=</varname>,
+ <varname>RequiresOverridable=</varname>,
+ <varname>Requisite=</varname>,
+ <varname>RequisiteOverridable=</varname>,
+ <varname>Wants=</varname> and
+ <varname>Conflicts=</varname> are
+ shown. If neither is passed, shows
+ dependencies of all these
+ types.</para></listitem>
+ </varlistentry>
</variablelist>
</refsect1>