mirror of
https://github.com/systemd/systemd.git
synced 2024-11-07 01:27:11 +03:00
0f943ae4ea
We have a common parser, but for the user it might be completely unobvious that the same general rules apply to all those files. Let's add a page about the basic syntax so that the more specific pages don't have to repeat those details.
202 lines
7.8 KiB
XML
202 lines
7.8 KiB
XML
<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
|
|
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
|
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
|
|
|
|
<!--
|
|
SPDX-License-Identifier: LGPL-2.1+
|
|
|
|
This file is part of systemd.
|
|
|
|
Copyright 2013 Zbigniew Jędrzejewski-Szmek
|
|
-->
|
|
|
|
<refentry id="systemd-sleep.conf"
|
|
xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
<refentryinfo>
|
|
<title>systemd-sleep.conf</title>
|
|
<productname>systemd</productname>
|
|
|
|
<authorgroup>
|
|
<author>
|
|
<contrib>Developer</contrib>
|
|
<firstname>Zbigniew</firstname>
|
|
<surname>Jędrzejewski-Szmek</surname>
|
|
<email>zbyszek@in.waw.pl</email>
|
|
</author>
|
|
</authorgroup>
|
|
</refentryinfo>
|
|
|
|
<refmeta>
|
|
<refentrytitle>systemd-sleep.conf</refentrytitle>
|
|
<manvolnum>5</manvolnum>
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
<refname>systemd-sleep.conf</refname>
|
|
<refname>sleep.conf.d</refname>
|
|
<refpurpose>Suspend and hibernation configuration file</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsynopsisdiv>
|
|
<para><filename>/etc/systemd/sleep.conf</filename></para>
|
|
<para><filename>/etc/systemd/sleep.conf.d/*.conf</filename></para>
|
|
<para><filename>/run/systemd/sleep.conf.d/*.conf</filename></para>
|
|
<para><filename>/usr/lib/systemd/sleep.conf.d/*.conf</filename></para>
|
|
</refsynopsisdiv>
|
|
|
|
<refsect1>
|
|
<title>Description</title>
|
|
|
|
<para><command>systemd</command> supports four general
|
|
power-saving modes:</para>
|
|
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term>suspend</term>
|
|
|
|
<listitem><para>a low-power state
|
|
where execution of the OS is paused,
|
|
and complete power loss might result
|
|
in lost data, and which is fast to
|
|
enter and exit. This corresponds to
|
|
suspend, standby, or freeze states as
|
|
understood by the kernel.
|
|
</para></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term>hibernate</term>
|
|
|
|
<listitem><para>a low-power state
|
|
where execution of the OS is paused,
|
|
and complete power loss does not
|
|
result in lost data, and which might
|
|
be slow to enter and exit. This
|
|
corresponds to the hibernation as
|
|
understood by the kernel.
|
|
</para></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term>hybrid-sleep</term>
|
|
|
|
<listitem><para>a low-power state
|
|
where execution of the OS is paused,
|
|
which might be slow to enter, and on
|
|
complete power loss does not result in
|
|
lost data but might be slower to exit
|
|
in that case. This mode is called
|
|
suspend-to-both by the kernel.
|
|
</para></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term>suspend-then-hibernate</term>
|
|
|
|
<listitem><para>A low power state where the system is initially suspended
|
|
(the state is stored in RAM). If not interrupted within the delay specified by
|
|
<command>HibernateDelaySec=</command>, the system will be woken using an RTC
|
|
alarm and hibernated (the state is then stored on disk).
|
|
</para></listitem>
|
|
</varlistentry>
|
|
|
|
</variablelist>
|
|
|
|
<para>Settings in these files determine what strings
|
|
will be written to
|
|
<filename>/sys/power/disk</filename> and
|
|
<filename>/sys/power/state</filename> by
|
|
<citerefentry><refentrytitle>systemd-sleep</refentrytitle><manvolnum>8</manvolnum></citerefentry>
|
|
when
|
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
|
|
attempts to suspend or hibernate the machine.
|
|
See
|
|
<citerefentry><refentrytitle>systemd.syntax</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
|
for a general description of the syntax.</para>
|
|
</refsect1>
|
|
|
|
<xi:include href="standard-conf.xml" xpointer="main-conf" />
|
|
|
|
<refsect1>
|
|
<title>Options</title>
|
|
|
|
<para>The following options can be configured in the
|
|
<literal>[Sleep]</literal> section of
|
|
<filename>/etc/systemd/sleep.conf</filename> or a
|
|
<filename>sleep.conf.d</filename> file:</para>
|
|
|
|
<variablelist class='systemd-directives'>
|
|
<varlistentry>
|
|
<term><varname>SuspendMode=</varname></term>
|
|
<term><varname>HibernateMode=</varname></term>
|
|
<term><varname>HybridSleepMode=</varname></term>
|
|
|
|
<listitem><para>The string to be written to
|
|
<filename>/sys/power/disk</filename> by,
|
|
respectively,
|
|
<citerefentry><refentrytitle>systemd-suspend.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-hybrid-sleep.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, or
|
|
<citerefentry><refentrytitle>systemd-suspend-then-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
|
|
More than one value can be specified by separating
|
|
multiple values with whitespace. They will be tried
|
|
in turn, until one is written without error. If
|
|
neither succeeds, the operation will be aborted.
|
|
</para></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>SuspendState=</varname></term>
|
|
<term><varname>HibernateState=</varname></term>
|
|
<term><varname>HybridSleepState=</varname></term>
|
|
|
|
<listitem><para>The string to be written to
|
|
<filename>/sys/power/state</filename> by,
|
|
respectively,
|
|
<citerefentry><refentrytitle>systemd-suspend.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-hybrid-sleep.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, or
|
|
<citerefentry><refentrytitle>systemd-suspend-then-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
|
|
More than one value can be specified by separating
|
|
multiple values with whitespace. They will be tried
|
|
in turn, until one is written without error. If
|
|
neither succeeds, the operation will be aborted.
|
|
</para></listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><varname>HibernateDelaySec=</varname></term>
|
|
|
|
<listitem><para>The amount of time in seconds
|
|
that will pass before the system is automatically
|
|
put into hibernate when using
|
|
<citerefentry><refentrytitle>systemd-suspend-then-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
|
|
</para></listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Example: freeze</title>
|
|
|
|
<para>Example: to exploit the <quote>freeze</quote> mode added
|
|
in Linux 3.9, one can use <command>systemctl suspend</command>
|
|
with
|
|
<programlisting>[Sleep]
|
|
SuspendState=freeze</programlisting></para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>See Also</title>
|
|
<para>
|
|
<citerefentry><refentrytitle>systemd-sleep</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-suspend.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-hybrid-sleep.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-suspend-then-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd.directives</refentrytitle><manvolnum>7</manvolnum></citerefentry>
|
|
</para>
|
|
</refsect1>
|
|
|
|
</refentry>
|