mirror of
https://github.com/systemd/systemd-stable.git
synced 2025-01-25 06:03:40 +03:00
bdac560801
For users, the square brackets already serve as markup and clearly delineate the section name from surrounding text. Putting additional markup around that only adds clutter. Also, we were very inconsistent in using the quotes. Let's just drop them altogether.
203 lines
8.4 KiB
XML
203 lines
8.4 KiB
XML
<?xml version='1.0'?>
|
|
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
|
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
|
|
<!-- SPDX-License-Identifier: LGPL-2.1+ -->
|
|
|
|
<refentry id="systemd-sleep.conf"
|
|
xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
<refentryinfo>
|
|
<title>systemd-sleep.conf</title>
|
|
<productname>systemd</productname>
|
|
</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
|
|
[Sleep] section of
|
|
<filename>/etc/systemd/sleep.conf</filename> or a
|
|
<filename>sleep.conf.d</filename> file:</para>
|
|
|
|
<variablelist class='config-directives'>
|
|
<varlistentry>
|
|
<term><varname>AllowSuspend=</varname></term>
|
|
<term><varname>AllowHibernation=</varname></term>
|
|
<term><varname>AllowSuspendThenHibernate=</varname></term>
|
|
<term><varname>AllowHybridSleep=</varname></term>
|
|
|
|
<listitem><para>By default any power-saving mode is advertised if possible (i.e.
|
|
the kernel supports that mode, the necessary resources are available). Those
|
|
switches can be used to disable specific modes.</para>
|
|
|
|
<para>If <varname>AllowHibernation=no</varname> or <varname>AllowSuspend=no</varname> is
|
|
used, this implies <varname>AllowSuspendThenHibernate=no</varname> and
|
|
<varname>AllowHybridSleep=no</varname>, since those methods use both suspend and hibernation
|
|
internally. <varname>AllowSuspendThenHibernate=yes</varname> and
|
|
<varname>AllowHybridSleep=yes</varname> can be used to override and enable those specific
|
|
modes.</para></listitem>
|
|
</varlistentry>
|
|
|
|
<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 the system spends in suspend mode before the system is
|
|
automatically put into hibernate mode, when using
|
|
<citerefentry><refentrytitle>systemd-suspend-then-hibernate.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. Defaults
|
|
to 2h.</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>
|