mirror of
https://github.com/systemd/systemd-stable.git
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99 lines
3.2 KiB
XML
99 lines
3.2 KiB
XML
<?xml version='1.0'?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" >
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<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
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<refentry id="org.freedesktop.oom1" conditional='ENABLE_OOMD'
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>org.freedesktop.oom1</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>org.freedesktop.oom1</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>org.freedesktop.oom1</refname>
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<refpurpose>The D-Bus interface of systemd-oomd</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Introduction</title>
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<para>
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<citerefentry><refentrytitle>systemd-oomd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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is a system service which implements a userspace out-of-memory (OOM) killer. This page describes the
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D-Bus interface.</para>
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</refsect1>
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<refsect1>
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<title>The Manager Object</title>
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<para>The service exposes the following interfaces on the Manager object on the bus:</para>
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<programlisting executable="systemd-oomd" node="/org/freedesktop/oom1" interface="org.freedesktop.oom1.Manager">
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node /org/freedesktop/oom1 {
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interface org.freedesktop.oom1.Manager {
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methods:
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DumpByFileDescriptor(out h fd);
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signals:
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Killed(s cgroup,
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s reason);
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};
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interface org.freedesktop.DBus.Peer { ... };
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interface org.freedesktop.DBus.Introspectable { ... };
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interface org.freedesktop.DBus.Properties { ... };
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};
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</programlisting>
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<!--method DumpByFileDescriptor is not documented!-->
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<!--Autogenerated cross-references for systemd.directives, do not edit-->
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<variablelist class="dbus-interface" generated="True" extra-ref="org.freedesktop.oom1.Manager"/>
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<variablelist class="dbus-interface" generated="True" extra-ref="org.freedesktop.oom1.Manager"/>
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<variablelist class="dbus-method" generated="True" extra-ref="DumpByFileDescriptor()"/>
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<variablelist class="dbus-signal" generated="True" extra-ref="Killed"/>
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<!--End of Autogenerated section-->
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<refsect2>
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<title>Methods</title>
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<para><function>Killed</function> signal is sent when any cgroup is killed by oomd.</para>
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<para>Note that more reasons will be added in the future, and the table below will be expanded accordingly.</para>
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<table>
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<title>Killing reasons</title>
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<tgroup cols="2" align="left" colsep="1" rowsep="1">
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<colspec colname="reason"/>
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<colspec colname="description"/>
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<thead>
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<row>
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<entry>Reason</entry>
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<entry>Description</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>memory-used</entry>
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<entry>Application took too much memory and swap.</entry>
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</row>
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<row>
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<entry>memory-pressure</entry>
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<entry>Application took enough memory and swap to cause sufficient slowdown of other applications.</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</refsect2>
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</refsect1>
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<xi:include href="org.freedesktop.locale1.xml" xpointer="versioning"/>
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</refentry>
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