man/systemd-cgls.xml

   1 <?xml version='1.0'?> <!--*-nxml-*-->
   2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
   3         "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   4
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   6   This file is part of systemd.
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   8   Copyright 2010 Lennart Poettering
   9
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  23
  24 <refentry id="systemd-cgls">
  25
  26         <refentryinfo>
  27                 <title>systemd-cgls</title>
  28                 <productname>systemd</productname>
  29
  30                 <authorgroup>
  31                         <author>
  32                                 <contrib>Developer</contrib>
  33                                 <firstname>Lennart</firstname>
  34                                 <surname>Poettering</surname>
  35                                 <email>lennart@poettering.net</email>
  36                         </author>
  37                 </authorgroup>
  38         </refentryinfo>
  39
  40         <refmeta>
  41                 <refentrytitle>systemd-cgls</refentrytitle>
  42                 <manvolnum>1</manvolnum>
  43         </refmeta>
  44
  45         <refnamediv>
  46                 <refname>systemd-cgls</refname>
  47                 <refpurpose>Recursively show control group contents</refpurpose>
  48         </refnamediv>
  49
  50         <refsynopsisdiv>
  51                 <cmdsynopsis>
  52                         <command>systemd-cgls</command>
  53                         <arg choice="opt" rep="repeat">OPTIONS</arg>
  54                         <arg choice="opt" rep="repeat">CGROUP</arg>
  55                 </cmdsynopsis>
  56         </refsynopsisdiv>
  57
  58         <refsect1>
  59                 <title>Description</title>
  60
  61                 <para><command>systemd-cgls</command> recursively
  62                 shows the contents of the selected Linux control group
  63                 hierarchy in a tree. If arguments are specified shows
  64                 all member processes of the specified control groups
  65                 plus all their subgroups and their members. The
  66                 control groups may either be specified by their full
  67                 file paths or are assumed in the systemd control group
  68                 hierarchy. If no argument is specified and the current
  69                 working directory is beneath the control group mount
  70                 point <filename>/sys/fs/cgroup</filename> shows the contents
  71                 of the control group the working directory refers
  72                 to. Otherwise the full systemd control group hierarchy
  73                 is shown.</para>
  74
  75                 <para>By default empty control groups are not
  76                 shown.</para>
  77         </refsect1>
  78
  79         <refsect1>
  80                 <title>Options</title>
  81
  82                 <para>The following options are understood:</para>
  83
  84                 <variablelist>
  85                         <varlistentry>
  86                                 <term><option>-h</option></term>
  87                                 <term><option>--help</option></term>
  88
  89                                 <listitem><para>Prints a short help
  90                                 text and exits.</para></listitem>
  91                         </varlistentry>
  92
  93                         <varlistentry>
  94                                 <term><option>--version</option></term>
  95
  96                                 <listitem><para>Prints a short version
  97                                 string and exits.</para></listitem>
  98                         </varlistentry>
  99
 100                         <varlistentry>
 101                                 <term><option>--no-pager</option></term>
 102
 103                                 <listitem><para>Do not pipe output into a
 104                                 pager.</para></listitem>
 105                         </varlistentry>
 106
 107                         <varlistentry>
 108                                 <term><option>--all</option></term>
 109
 110                                 <listitem><para>Don't hide empty
 111                                 control groups in the
 112                                 output.</para></listitem>
 113                         </varlistentry>
 114
 115                         <varlistentry>
 116                                 <term><option>--full</option></term>
 117
 118                                 <listitem><para>Do not ellipsize cgroup
 119                                 members.</para>
 120                                 </listitem>
 121                         </varlistentry>
 122
 123                         <varlistentry>
 124                                 <term><option>-k</option></term>
 125
 126                                 <listitem><para>Include kernel
 127                                 threads in output.</para></listitem>
 128                         </varlistentry>
 129
 130                         <varlistentry>
 131                                 <term><option>-m <replaceable>MACHINE</replaceable></option></term>
 132                                 <term><option>--machine=<replaceable>MACHINE</replaceable></option></term>
 133
 134                                 <listitem><para>Limit cgroups shown to
 135                                 the part corresponding to the
 136                                 container <replaceable>MACHINE</replaceable>.
 137                                 </para></listitem>
 138                         </varlistentry>
 139
 140                 </variablelist>
 141
 142         </refsect1>
 143
 144         <refsect1>
 145                 <title>Exit status</title>
 146
 147                 <para>On success 0 is returned, a non-zero failure
 148                 code otherwise.</para>
 149         </refsect1>
 150
 151         <refsect1>
 152                 <title>See Also</title>
 153                 <para>
 154                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 155                         <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 156                         <citerefentry><refentrytitle>systemd-cgtop</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 157                         <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 158                         <citerefentry><refentrytitle>ps</refentrytitle><manvolnum>1</manvolnum></citerefentry>
 159                 </para>
 160         </refsect1>
 161
 162 </refentry>