| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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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 |
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| 8 | <sect1 id="ch-system-procps" role="wrap">
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| 9 | <?dbhtml filename="procps-ng.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>procps-ng</productname>
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| 13 | <productnumber>&procps-ng-version;</productnumber>
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| 14 | <address>&procps-ng-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>Procps-ng-&procps-ng-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-procps">
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| 20 | <primary sortas="a-Procps">Procps-ng</primary>
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| 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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| 26 | <para>The Procps-ng package contains programs for monitoring processes.</para>
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| 27 |
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| 28 | <segmentedlist>
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| 29 | <segtitle>&buildtime;</segtitle>
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| 30 | <segtitle>&diskspace;</segtitle>
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| 31 |
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| 32 | <seglistitem>
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| 33 | <seg>&procps-ng-fin-sbu;</seg>
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| 34 | <seg>&procps-ng-fin-du;</seg>
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| 35 | </seglistitem>
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| 36 | </segmentedlist>
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| 37 |
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| 38 | </sect2>
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| 39 |
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| 40 | <sect2 role="installation">
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| 41 | <title>Installation of Procps-ng</title>
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| 42 |
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| 43 | <para>Prepare procps-ng for compilation:</para>
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| 44 |
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| 45 | <screen revision="sysv"><userinput remap="configure">./configure --prefix=/usr \
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| 46 | --docdir=/usr/share/doc/procps-ng-&procps-ng-version; \
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| 47 | --disable-static \
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| 48 | --disable-kill</userinput></screen>
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| 49 |
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| 50 | <screen revision="systemd"><userinput remap="configure">./configure --prefix=/usr \
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| 51 | --docdir=/usr/share/doc/procps-ng-&procps-ng-version; \
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| 52 | --disable-static \
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| 53 | --disable-kill \
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| 54 | --with-systemd</userinput></screen>
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| 55 |
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| 56 | <variablelist>
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| 57 | <title>The meaning of the configure option:</title>
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| 58 |
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| 59 | <varlistentry>
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| 60 | <term><parameter>--disable-kill</parameter></term>
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| 61 | <listitem>
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| 62 | <para>This switch disables building the <command>kill</command>
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| 63 | command that will be installed by the Util-linux package.</para>
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| 64 | </listitem>
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| 65 | </varlistentry>
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| 66 | </variablelist>
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| 67 |
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| 68 | <para>Compile the package:</para>
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| 69 |
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| 70 | <screen><userinput remap="make">make</userinput></screen>
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| 71 | <!--
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| 72 | <para>The test suite needs some custom modifications for LFS.
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| 73 | Remove a test that fails when scripting does not use a tty device and
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| 74 | fix two others.
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| 75 | To run the test suite, run the following commands:</para>
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| 76 |
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| 77 | <screen><userinput remap="test">sed -i -r 's|(pmap_initname)\\\$|\1|' testsuite/pmap.test/pmap.exp
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| 78 | sed -i '/set tty/d' testsuite/pkill.test/pkill.exp
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| 79 | rm testsuite/pgrep.test/pgrep.exp
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| 80 | make check</userinput></screen>
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| 81 | -->
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| 82 | <para> To run the test suite, run:</para>
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| 83 |
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| 84 | <screen><userinput remap="test">make check</userinput></screen>
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| 85 |
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| 86 | <!-- It's because "free -v" shows "used" greater than "total", and
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| 87 | a negative "free" for "Comm" line. The "total" value is from
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| 88 | "CommitLimit" in /proc/meminfo, which is the limit for one process.
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| 89 | But the "used" value is from "Committed_AS" in the same file,
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| 90 | which is the total commited virtual memory space of all processes.
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| 91 | I'll make a report to upstream anyway. -->
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| 92 | <para>One test named <filename>free with commit</filename>
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| 93 | may fail if some applications with a custom memory allocator (for
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| 94 | example, JVM and Web browsers) are running on the host distro.</para>
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| 95 |
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| 96 | <para>Install the package:</para>
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| 97 |
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| 98 | <screen><userinput remap="install">make install</userinput></screen>
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| 99 |
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| 100 | </sect2>
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| 101 |
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| 102 | <sect2 id="contents-procps" role="content">
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| 103 | <title>Contents of Procps-ng</title>
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| 104 |
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| 105 | <segmentedlist>
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| 106 | <segtitle>Installed programs</segtitle>
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| 107 | <segtitle>Installed library</segtitle>
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| 108 | <segtitle>Installed directories</segtitle>
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| 109 |
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| 110 | <seglistitem>
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| 111 | <seg>free, pgrep, pidof, pkill, pmap, ps, pwdx, slabtop,
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| 112 | sysctl, tload, top, uptime, vmstat, w, and watch</seg>
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| 113 | <seg>libproc-2.so</seg>
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| 114 | <seg>/usr/include/procps and /usr/share/doc/procps-ng-&procps-ng-version;</seg>
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| 115 | </seglistitem>
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| 116 | </segmentedlist>
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| 117 |
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| 118 | <variablelist>
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| 119 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 120 | <?dbfo list-presentation="list"?>
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| 121 | <?dbhtml list-presentation="table"?>
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| 122 |
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| 123 | <varlistentry id="free">
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| 124 | <term><command>free</command></term>
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| 125 | <listitem>
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| 126 | <para>Reports the amount of free and used memory (both physical and
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| 127 | swap memory) in the system</para>
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| 128 | <indexterm zone="ch-system-procps free">
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| 129 | <primary sortas="b-free">free</primary>
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| 130 | </indexterm>
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| 131 | </listitem>
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| 132 | </varlistentry>
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| 133 |
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| 134 | <varlistentry id="pgrep">
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| 135 | <term><command>pgrep</command></term>
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| 136 | <listitem>
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| 137 | <para>Looks up processes based on their name and other attributes</para>
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| 138 | <indexterm zone="ch-system-procps pgrep">
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| 139 | <primary sortas="b-pgrep">pgrep</primary>
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| 140 | </indexterm>
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| 141 | </listitem>
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| 142 | </varlistentry>
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| 143 |
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| 144 | <varlistentry id="pidof">
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| 145 | <term><command>pidof</command></term>
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| 146 | <listitem>
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| 147 | <para>Reports the PIDs of the given programs</para>
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| 148 | <indexterm zone="ch-system-procps pidof">
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| 149 | <primary sortas="b-pidof">pidof</primary>
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| 150 | </indexterm>
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| 151 | </listitem>
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| 152 | </varlistentry>
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| 153 |
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| 154 | <varlistentry id="pkill">
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| 155 | <term><command>pkill</command></term>
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| 156 | <listitem>
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| 157 | <para>Signals processes based on their name and other attributes</para>
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| 158 | <indexterm zone="ch-system-procps pkill">
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| 159 | <primary sortas="b-pkill">pkill</primary>
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| 160 | </indexterm>
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| 161 | </listitem>
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| 162 | </varlistentry>
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| 163 |
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| 164 | <varlistentry id="pmap">
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| 165 | <term><command>pmap</command></term>
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| 166 | <listitem>
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| 167 | <para>Reports the memory map of the given process</para>
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| 168 | <indexterm zone="ch-system-procps pmap">
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| 169 | <primary sortas="b-pmap">pmap</primary>
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| 170 | </indexterm>
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| 171 | </listitem>
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| 172 | </varlistentry>
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| 173 |
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| 174 | <varlistentry id="ps">
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| 175 | <term><command>ps</command></term>
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| 176 | <listitem>
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| 177 | <para>Lists the current running processes</para>
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| 178 | <indexterm zone="ch-system-procps ps">
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| 179 | <primary sortas="b-ps">ps</primary>
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| 180 | </indexterm>
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| 181 | </listitem>
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| 182 | </varlistentry>
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| 183 |
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| 184 | <varlistentry id="pwait">
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| 185 | <term><command>pwait</command></term>
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| 186 | <listitem>
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| 187 | <para>Waits for a process to finish before executing.</para>
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| 188 | <indexterm zone="ch-system-procps pwait">
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| 189 | <primary sortas="b-pwait">pwait</primary>
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| 190 | </indexterm>
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| 191 | </listitem>
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| 192 | </varlistentry>
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| 193 |
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| 194 | <varlistentry id="pwdx">
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| 195 | <term><command>pwdx</command></term>
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| 196 | <listitem>
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| 197 | <para>Reports the current working directory of a process</para>
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| 198 | <indexterm zone="ch-system-procps pwdx">
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| 199 | <primary sortas="b-pwdx">pwdx</primary>
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| 200 | </indexterm>
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| 201 | </listitem>
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| 202 | </varlistentry>
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| 203 |
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| 204 | <varlistentry id="slabtop">
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| 205 | <term><command>slabtop</command></term>
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| 206 | <listitem>
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| 207 | <para>Displays detailed kernel slab cache information in real time</para>
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| 208 | <indexterm zone="ch-system-procps slabtop">
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| 209 | <primary sortas="b-slabtop">slabtop</primary>
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| 210 | </indexterm>
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| 211 | </listitem>
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| 212 | </varlistentry>
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| 213 |
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| 214 | <varlistentry id="sysctl">
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| 215 | <term><command>sysctl</command></term>
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| 216 | <listitem>
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| 217 | <para>Modifies kernel parameters at run time</para>
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| 218 | <indexterm zone="ch-system-procps sysctl">
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| 219 | <primary sortas="b-sysctl">sysctl</primary>
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| 220 | </indexterm>
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| 221 | </listitem>
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| 222 | </varlistentry>
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| 223 |
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| 224 | <varlistentry id="tload">
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| 225 | <term><command>tload</command></term>
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| 226 | <listitem>
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| 227 | <para>Prints a graph of the current system load average</para>
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| 228 | <indexterm zone="ch-system-procps tload">
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| 229 | <primary sortas="b-tload">tload</primary>
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| 230 | </indexterm>
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| 231 | </listitem>
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| 232 | </varlistentry>
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| 233 |
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| 234 | <varlistentry id="top">
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| 235 | <term><command>top</command></term>
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| 236 | <listitem>
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| 237 | <para>Displays a list of the most CPU intensive processes; it
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| 238 | provides an ongoing look at processor activity in real time</para>
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| 239 | <indexterm zone="ch-system-procps top">
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| 240 | <primary sortas="b-top">top</primary>
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| 241 | </indexterm>
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| 242 | </listitem>
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| 243 | </varlistentry>
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| 244 |
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| 245 | <varlistentry id="uptime">
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| 246 | <term><command>uptime</command></term>
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| 247 | <listitem>
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| 248 | <para>Reports how long the system has been running, how many users are
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| 249 | logged on, and the system load averages</para>
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| 250 | <indexterm zone="ch-system-procps uptime">
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| 251 | <primary sortas="b-uptime">uptime</primary>
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| 252 | </indexterm>
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| 253 | </listitem>
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| 254 | </varlistentry>
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| 255 |
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| 256 | <varlistentry id="vmstat">
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| 257 | <term><command>vmstat</command></term>
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| 258 | <listitem>
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| 259 | <para>Reports virtual memory statistics, giving information about
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| 260 | processes, memory, paging, block Input/Output (IO), traps, and CPU
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| 261 | activity</para>
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| 262 | <indexterm zone="ch-system-procps vmstat">
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| 263 | <primary sortas="b-vmstat">vmstat</primary>
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| 264 | </indexterm>
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| 265 | </listitem>
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| 266 | </varlistentry>
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| 267 |
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| 268 | <varlistentry id="w">
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| 269 | <term><command>w</command></term>
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| 270 | <listitem>
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| 271 | <para>Shows which users are currently logged on, where, and since
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| 272 | when</para>
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| 273 | <indexterm zone="ch-system-procps w">
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| 274 | <primary sortas="b-w">w</primary>
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| 275 | </indexterm>
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| 276 | </listitem>
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| 277 | </varlistentry>
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| 278 |
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| 279 | <varlistentry id="watch">
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| 280 | <term><command>watch</command></term>
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| 281 | <listitem>
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| 282 | <para>Runs a given command repeatedly, displaying the first
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| 283 | screen-full of its output; this allows a user to watch the output
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| 284 | change over time</para>
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| 285 | <indexterm zone="ch-system-procps watch">
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| 286 | <primary sortas="b-watch">watch</primary>
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| 287 | </indexterm>
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| 288 | </listitem>
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| 289 | </varlistentry>
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| 290 |
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| 291 | <varlistentry id="libproc-2">
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| 292 | <term><filename class="libraryfile">libproc-2</filename></term>
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| 293 | <listitem>
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| 294 | <para>Contains the functions used by most programs in this
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| 295 | package</para>
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| 296 | <indexterm zone="ch-system-procps libproc-2">
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| 297 | <primary sortas="c-libproc-2">libproc-2</primary>
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| 298 | </indexterm>
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| 299 | </listitem>
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| 300 | </varlistentry>
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| 301 |
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| 302 | </variablelist>
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| 303 |
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| 304 | </sect2>
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| 305 |
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| 306 | </sect1>
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