<arg choice="opt" rep="repeat"><replaceable>UNIT</replaceable></arg>
</cmdsynopsis>
- <cmdsynopsis>
- <command>systemd-analyze</command>
- <arg choice="opt" rep="repeat">OPTIONS</arg>
- <arg choice="plain">log-level</arg>
- <arg choice="opt"><replaceable>LEVEL</replaceable></arg>
- </cmdsynopsis>
- <cmdsynopsis>
- <command>systemd-analyze</command>
- <arg choice="opt" rep="repeat">OPTIONS</arg>
- <arg choice="plain">log-target</arg>
- <arg choice="opt"><replaceable>TARGET</replaceable></arg>
- </cmdsynopsis>
- <cmdsynopsis>
- <command>systemd-analyze</command>
- <arg choice="opt" rep="repeat">OPTIONS</arg>
- <arg choice="plain">service-watchdogs</arg>
- <arg choice="opt"><replaceable>BOOL</replaceable></arg>
- </cmdsynopsis>
-
<cmdsynopsis>
<command>systemd-analyze</command>
<arg choice="opt" rep="repeat">OPTIONS</arg>
<arg choice="opt" rep="repeat">OPTIONS</arg>
<arg choice="plain">unit-paths</arg>
</cmdsynopsis>
+ <cmdsynopsis>
+ <command>systemd-analyze</command>
+ <arg choice="opt" rep="repeat">OPTIONS</arg>
+ <arg choice="plain">exit-status</arg>
+ <arg choice="opt" rep="repeat"><replaceable>STATUS</replaceable></arg>
+ </cmdsynopsis>
+ <cmdsynopsis>
+ <command>systemd-analyze</command>
+ <arg choice="opt" rep="repeat">OPTIONS</arg>
+ <arg choice="plain">condition</arg>
+ <arg choice="plain"><replaceable>CONDITION</replaceable>…</arg>
+ </cmdsynopsis>
<cmdsynopsis>
<command>systemd-analyze</command>
<arg choice="opt" rep="repeat">OPTIONS</arg>
initialization of one service might be slow simply because it waits for the initialization of another
service to complete. Also note: <command>systemd-analyze blame</command> doesn't display results for
services with <varname>Type=simple</varname>, because systemd considers such services to be started
- immediately, hence no measurement of the initialization delays can be done.</para>
+ immediately, hence no measurement of the initialization delays can be done. Also note that this command
+ only shows the time units took for starting up, it does not show how long unit jobs spent in the
+ execution queue. In particular it shows the time units spent in <literal>activating</literal> state,
+ which is not defined for units such as device units that transition directly from
+ <literal>inactive</literal> to <literal>active</literal>. This command hence gives an impression of the
+ performance of program code, but cannot accurately reflect latency introduced by waiting for
+ hardware and similar events.</para>
<example>
<title><command>Show which units took the most time during boot</command></title>
<replaceable>UNIT</replaceable>s or for the default target otherwise). The time after the unit is
active or started is printed after the "@" character. The time the unit takes to start is printed after
the "+" character. Note that the output might be misleading as the initialization of services might
- depend on socket activation and because of the parallel execution of units.</para>
+ depend on socket activation and because of the parallel execution of units. Also, similar to the
+ <command>blame</command> command, this only takes into account the time units spent in
+ <literal>activating</literal> state, and hence does not cover units that never went through an
+ <literal>activating</literal> state (such as device units that transition directly from
+ <literal>inactive</literal> to <literal>active</literal>). Moreover it does not show information on
+ jobs (and in particular not jobs that timed out).</para>
<example>
<title><command>systemd-analyze time</command></title>
</example>
</refsect2>
- <refsect2>
- <title><command>systemd-analyze log-level [<replaceable>LEVEL</replaceable>]</command></title>
-
- <para><command>systemd-analyze log-level</command> prints the current log level of the
- <command>systemd</command> daemon. If an optional argument <replaceable>LEVEL</replaceable> is
- provided, then the command changes the current log level of the <command>systemd</command> daemon to
- <replaceable>LEVEL</replaceable> (accepts the same values as <option>--log-level=</option> described in
- <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>).</para>
- </refsect2>
-
- <refsect2>
- <title><command>systemd-analyze log-target [<replaceable>TARGET</replaceable>]</command></title>
-
- <para><command>systemd-analyze log-target</command> prints the current log target of the
- <command>systemd</command> daemon. If an optional argument <replaceable>TARGET</replaceable> is
- provided, then the command changes the current log target of the <command>systemd</command> daemon to
- <replaceable>TARGET</replaceable> (accepts the same values as <option>--log-target=</option>, described
- in <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>).</para>
- </refsect2>
-
- <refsect2>
- <title><command>systemd-analyze service-watchdogs [yes|no]</command></title>
-
- <para><command>systemd-analyze service-watchdogs</command> prints the current state of service runtime
- watchdogs of the <command>systemd</command> daemon. If an optional boolean argument is provided, then
- globally enables or disables the service runtime watchdogs (<option>WatchdogSec=</option>) and
- emergency actions (e.g. <option>OnFailure=</option> or <option>StartLimitAction=</option>); see
- <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
- The hardware watchdog is not affected by this setting.</para>
- </refsect2>
-
<refsect2>
<title><command>systemd-analyze dump</command></title>
to retrieve the actual list that the manager uses, with any empty directories omitted.</para>
</refsect2>
+ <refsect2>
+ <title><command>systemd-analyze exit-status <optional><replaceable>STATUS</replaceable>...</optional></command></title>
+
+ <para>This command prints a list of exit statuses along with their "class", i.e. the source of the
+ definition (one of <literal>glibc</literal>, <literal>systemd</literal>, <literal>LSB</literal>, or
+ <literal>BSD</literal>), see the Process Exit Codes section in
+ <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+ If no additional arguments are specified, all known statuses are are shown. Otherwise, only the
+ definitions for the specified codes are shown.</para>
+
+ <example>
+ <title><command>Show some example exit status names</command></title>
+
+ <programlisting>$ systemd-analyze exit-status 0 1 {63..65}
+NAME STATUS CLASS
+SUCCESS 0 glibc
+FAILURE 1 glibc
+- 63 -
+USAGE 64 BSD
+DATAERR 65 BSD
+</programlisting>
+ </example>
+ </refsect2>
+
+ <refsect2>
+ <title><command>systemd-analyze condition <replaceable>CONDITION</replaceable>...</command></title>
+
+ <para>This command will evaluate <varname noindex='true'>Condition*=...</varname> and
+ <varname noindex='true'>Assert*=...</varname> assignments, and print their values, and
+ the resulting value of the combined condition set. See
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for a list of available conditions and asserts.</para>
+
+ <example>
+ <title>Evaluate conditions that check kernel versions</title>
+
+ <programlisting>$ systemd-analyze condition 'ConditionKernelVersion = ! <4.0' \
+ 'ConditionKernelVersion = >=5.1' \
+ 'ConditionACPower=|false' \
+ 'ConditionArchitecture=|!arm' \
+ 'AssertPathExists=/etc/os-release'
+test.service: AssertPathExists=/etc/os-release succeeded.
+Asserts succeeded.
+test.service: ConditionArchitecture=|!arm succeeded.
+test.service: ConditionACPower=|false failed.
+test.service: ConditionKernelVersion=>=5.1 succeeded.
+test.service: ConditionKernelVersion=!<4.0 succeeded.
+Conditions succeeded.</programlisting>
+ </example>
+ </refsect2>
+
<refsect2>
<title><command>systemd-analyze syscall-filter <optional><replaceable>SET</replaceable>...</optional></command></title>
iterations the specified calendar expression will elapse next. Defaults to 1.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--base-time=<replaceable>TIMESTAMP</replaceable></option></term>
+
+ <listitem><para>When used with the <command>calendar</command> command, show next iterations relative
+ to the specified point in time. If not specified defaults to the current time.</para></listitem>
+ </varlistentry>
+
<xi:include href="user-system-options.xml" xpointer="host" />
<xi:include href="user-system-options.xml" xpointer="machine" />
projects / thirdparty / systemd.git / blobdiff