| 1 | <?xml version="1.0" encoding="UTF-8"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!-- Place this in the packages.ent file
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| 8 | <!ENTITY power-profiles-daemon-version "">
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| 9 | -->
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| 10 |
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| 11 | <!ENTITY power-profiles-daemon-download-http "https://gitlab.freedesktop.org/upower/power-profiles-daemon/-/archive/&power-profiles-daemon-version;/power-profiles-daemon-&power-profiles-daemon-version;.tar.gz">
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| 12 | <!ENTITY power-profiles-daemon-download-ftp " ">
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| 13 | <!ENTITY power-profiles-daemon-md5sum "0196aae5798263d3d8f33a9280a6cb10">
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| 14 | <!ENTITY power-profiles-daemon-size "76 KB">
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| 15 | <!ENTITY power-profiles-daemon-buildsize "3.2 MB">
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| 16 | <!ENTITY power-profiles-daemon-time "less than 0.1 SBU (with tests)">
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| 17 | ]>
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| 18 |
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| 19 | <sect1 id="power-profiles-daemon" xreflabel="power-profiles-daemon-&power-profiles-daemon-version;">
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| 20 | <?dbhtml filename="power-profiles-daemon.html"?>
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| 21 |
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| 22 |
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| 23 | <title>Power-profiles-daemon-&power-profiles-daemon-version;</title>
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| 24 |
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| 25 | <indexterm zone="power-profiles-daemon">
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| 26 | <primary sortas="a-Power-profiles-daemon">power-profiles-daemon</primary>
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| 27 | </indexterm>
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| 28 |
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| 29 | <sect2 role="package">
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| 30 | <title>Introduction to Power-profiles-daemon</title>
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| 31 |
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| 32 | <para>
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| 33 | The <application>Power-profiles-daemon</application> package provides a program
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| 34 | that allows modification of the system power/behavior state. This is used on
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| 35 | many laptops and can be used by a Desktop Environment to activate power saving
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| 36 | or performance CPU governors through dbus. On other systems, Power-profiles-daemon
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| 37 | can be used as a streamlined way to set the CPU governor in order to increase system
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| 38 | performance at the cost of energy usage.
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| 39 | </para>
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| 40 |
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| 41 | &lfs122_checked;
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| 42 |
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| 43 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 44 | <itemizedlist spacing="compact">
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| 45 | <listitem>
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| 46 | <para>
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| 47 | Download (HTTP): <ulink url="&power-profiles-daemon-download-http;"/>
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| 48 | </para>
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| 49 | </listitem>
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| 50 | <listitem>
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| 51 | <para>
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| 52 | Download (FTP): <ulink url="&power-profiles-daemon-download-ftp;"/>
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| 53 | </para>
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| 54 | </listitem>
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| 55 | <listitem>
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| 56 | <para>
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| 57 | Download MD5 sum: &power-profiles-daemon-md5sum;
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| 58 | </para>
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| 59 | </listitem>
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| 60 | <listitem>
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| 61 | <para>
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| 62 | Download size: &power-profiles-daemon-size;
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| 63 | </para>
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| 64 | </listitem>
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| 65 | <listitem>
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| 66 | <para>
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| 67 | Estimated disk space required: &power-profiles-daemon-buildsize;
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| 68 | </para>
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| 69 | </listitem>
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| 70 | <listitem>
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| 71 | <para>
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| 72 | Estimated build time: &power-profiles-daemon-time;
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| 73 | </para>
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| 74 | </listitem>
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| 75 | </itemizedlist>
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| 76 |
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| 77 | <bridgehead renderas="sect3">Power-profiles-daemon Dependencies</bridgehead>
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| 78 |
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| 79 | <bridgehead renderas="sect4">Required</bridgehead>
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| 80 | <para role="required">
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| 81 | <xref linkend="polkit"/>,
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| 82 | <xref linkend="pygobject3"/>
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| 83 | (pycairo is <emphasis role="bold">not</emphasis> needed), and
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| 84 | <xref linkend="upower"/>
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| 85 | </para>
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| 86 |
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| 87 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 88 | <para role="optional">
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| 89 | <xref linkend="gtk-doc"/>,
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| 90 | The rest are for the tests,
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| 91 | <xref linkend="python-dbusmock"/>,
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| 92 | <xref linkend="umockdev"/>,
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| 93 | <ulink url="https://github.com/PyCQA/isort">isort</ulink>, and
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| 94 | <ulink url="https://github.com/PyCQA/mccabe">mccabe</ulink>
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| 95 | </para>
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| 96 | </sect2>
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| 97 |
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| 98 | <sect2 role="kernel" id="power-profiles-daemon-kernel">
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| 99 | <title>Kernel Configuration</title>
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| 100 |
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| 101 | <para>
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| 102 | Enable the following options in the kernel configuration and recompile the
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| 103 | kernel if necessary:
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| 104 | </para>
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| 105 |
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| 106 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 107 | href="power-profiles-daemon-kernel.xml"/>
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| 108 |
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| 109 | <para>
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| 110 | Select the appropriate sub-options that appear when the above options are
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| 111 | selected. As much as possible, the layout should be the same as in
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| 112 | kernel configuration menus.
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| 113 | </para>
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| 114 |
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| 115 | <indexterm zone="power-profiles-daemon power-profiles-daemon-kernel">
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| 116 | <primary sortas="d-Power-profiles-daemon">Power-profiles-daemon</primary>
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| 117 | </indexterm>
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| 118 | </sect2>
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| 119 |
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| 120 | <sect2 role="installation">
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| 121 | <title>Installation of Power-profiles-daemon</title>
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| 122 |
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| 123 | <para>
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| 124 | Install <application>Power-profiles-daemon</application> by
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| 125 | running the following commands:
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| 126 | </para>
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| 127 | <screen revision="sysv"><userinput>mkdir build &&
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| 128 | cd build &&
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| 129 |
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| 130 | meson setup \
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| 131 | --prefix=/usr \
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| 132 | --buildtype=release \
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| 133 | -D gtk_doc=false \
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| 134 | -D tests=false \
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| 135 | -D systemdsystemunitdir=/tmp \
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| 136 | .. &&
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| 137 | ninja</userinput></screen>
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| 138 |
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| 139 |
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| 140 | <screen revision="systemd"><userinput>mkdir build &&
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| 141 | cd build &&
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| 142 |
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| 143 | meson setup \
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| 144 | --prefix=/usr \
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| 145 | --buildtype=release \
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| 146 | -D gtk_doc=false \
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| 147 | -D tests=false \
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| 148 | .. &&
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| 149 | ninja</userinput></screen>
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| 150 |
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| 151 | <para>
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| 152 | If you have installed the external dependencies, to test the results issue: <command>
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| 153 | ninja test</command>.
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| 154 | </para>
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| 155 |
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| 156 | <para>
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| 157 | Now, as the <systemitem class="username">root</systemitem> user:
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| 158 | </para>
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| 159 |
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| 160 | <screen role="root"><userinput>ninja install</userinput></screen>
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| 161 |
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| 162 | <para revision="sysv">
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| 163 | Now, clean up an unneeded systemd unit installed into /tmp:
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| 164 | </para>
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| 165 |
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| 166 | <screen revision="sysv" role="root">
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| 167 | <userinput>rm -fv /tmp/power-profiles-daemon.service</userinput>
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| 168 | </screen>
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| 169 |
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| 170 | <para revision="sysv">
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| 171 | Create a directory required for persistent power states
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| 172 | after reboot:
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| 173 | </para>
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| 174 |
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| 175 | <screen revision="sysv" role="root">
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| 176 | <userinput>install -vdm755 /var/lib/power-profiles-daemon</userinput>
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| 177 | </screen>
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| 178 |
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| 179 | </sect2>
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| 180 |
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| 181 |
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| 182 | <sect2 role="commands">
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| 183 | <title>Command Explanations</title>
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| 184 |
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| 185 | <para>
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| 186 | <parameter>-D gtk_doc=false</parameter>: Prevents building the
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| 187 | documentation. Remove this if you have <application>GTK-Doc</application>
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| 188 | installed and wish to build the documentation.
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| 189 | </para>
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| 190 |
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| 191 | <para>
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| 192 | <parameter>-D tests=false</parameter>: Prevents building the
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| 193 | tests because they cannot be run within the boundaries of
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| 194 | BLFS. Remove this if you have installed the external dependencies
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| 195 | and wish to run the tests.
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| 196 | </para>
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| 197 |
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| 198 | <para revision="sysv">
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| 199 | <parameter>-D systemdsystemunitdir=/tmp</parameter>: Removes
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| 200 | the dependency on <application>systemd</application>.
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| 201 | </para>
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| 202 |
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| 203 | </sect2>
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| 204 |
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| 205 | <sect2 role="configuration">
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| 206 | <title>Configuring Power-profiles-daemon</title>
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| 207 |
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| 208 | <sect3 id="power-profiles-daemon-init" revision="sysv">
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| 209 | <title>Boot Script</title>
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| 210 |
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| 211 | <para>
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| 212 | To automatically start the <command>power-profiles-daemon</command> when the
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| 213 | system is rebooted, install the
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| 214 | <filename>/etc/rc.d/init.d/power-profiles-daemon</filename> bootscript from the
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| 215 | <xref linkend="bootscripts" revision="sysv"/> as the
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| 216 | <systemitem class="username">root</systemitem> user:
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| 217 | </para>
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| 218 |
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| 219 | <indexterm zone="power-profiles-daemon power-profiles-daemon-init">
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| 220 | <primary sortas="f-Power-profiles-daemon">power-profiles-daemon</primary>
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| 221 | </indexterm>
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| 222 |
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| 223 | <screen role="root"><userinput>make install-power-profiles-daemon</userinput></screen>
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| 224 | </sect3>
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| 225 |
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| 226 |
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| 227 | <sect3 id="power-profiles-daemon-systemd" revision="systemd">
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| 228 | <title>Systemd Unit</title>
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| 229 |
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| 230 | <para>
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| 231 | To start the power-profiles-daemon on boot, enable the systemd
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| 232 | service that was installed by running the following command as the
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| 233 | <systemitem class="username">root</systemitem> user:
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| 234 | </para>
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| 235 |
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| 236 | <screen role="root"><userinput>systemctl enable power-profiles-daemon</userinput></screen>
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| 237 | </sect3>
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| 238 |
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| 239 | <sect3>
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| 240 | <title>Select a Power Profile</title>
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| 241 |
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| 242 | <para>
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| 243 | To list all supported power profiles, issue:
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| 244 | </para>
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| 245 |
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| 246 | <screen role="nodump"><userinput>powerprofilesctl</userinput></screen>
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| 247 |
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| 248 | <para>
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| 249 | To activate a power profile (for example
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| 250 | <replaceable>performance</replaceable>), issue:
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| 251 | </para>
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| 252 |
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| 253 | <screen role="nodump"><userinput>powerprofilesctl set <replaceable>performance</replaceable></userinput></screen>
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| 254 |
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| 255 | <para>
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| 256 | Some desktop environments (for example GNOME and KDE) also provide
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| 257 | a graphical interface to interact with
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| 258 | <command>power-profiles-daemon</command> and activate a power
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| 259 | profile.
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| 260 | </para>
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| 261 |
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| 262 | <para>
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| 263 | The activated power profile is automatically stored in
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| 264 | <filename>/var/lib/power-profiles-daemon/state.ini</filename> and
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| 265 | <command>power-profiles-daemon</command> will read it out and
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| 266 | activate it again on the next boot if the
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| 267 | <phrase revision='sysv'>bootscript is
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| 268 | installed</phrase><phrase revision='systemd'>Systemd
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| 269 | unit is enabled</phrase> as above.
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| 270 | </para>
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| 271 | </sect3>
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| 272 |
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| 273 | </sect2>
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| 274 |
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| 275 |
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| 276 |
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| 277 | <sect2 role="content">
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| 278 | <title>Contents</title>
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| 279 |
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| 280 | <segmentedlist>
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| 281 | <segtitle>Installed Program</segtitle>
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| 282 | <segtitle>Installed Libraries</segtitle>
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| 283 | <segtitle>Installed Directories</segtitle>
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| 284 |
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| 285 | <seglistitem>
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| 286 | <seg>
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| 287 | powerprofilesctl
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| 288 | </seg>
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| 289 | <seg>
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| 290 | None
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| 291 | </seg>
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| 292 | <seg>
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| 293 | None
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| 294 | </seg>
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| 295 | </seglistitem>
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| 296 | </segmentedlist>
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| 297 |
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| 298 | <variablelist>
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| 299 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 300 | <?dbfo list-presentation="list"?>
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| 301 | <?dbhtml list-presentation="table"?>
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| 302 |
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| 303 | <varlistentry id="powerprofilesctl">
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| 304 | <term><command>powerprofilesctl</command></term>
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| 305 | <listitem>
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| 306 | <para>
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| 307 | This allows the user to set the power governor of the
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| 308 | CPU.
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| 309 | </para>
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| 310 | <indexterm zone="powerprofilesctl">
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| 311 | <primary sortas="b-powerprofilesctl">powerprofilesctl</primary>
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| 312 | </indexterm>
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| 313 | </listitem>
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| 314 | </varlistentry>
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| 315 |
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| 316 | </variablelist>
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| 317 | </sect2>
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| 318 | </sect1>
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