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diff --git a/man/systemd-cgtop.xml b/man/systemd-cgtop.xml deleted file mode 100644 index f1ff218c39..0000000000 --- a/man/systemd-cgtop.xml +++ /dev/null @@ -1,253 +0,0 @@ -<?xml version='1.0'?> <!--*-nxml-*--> -<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" - "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> - -<!-- - This file is part of systemd. - - Copyright 2012 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. ---> - -<refentry id="systemd-cgtop" - xmlns:xi="http://www.w3.org/2001/XInclude"> - - <refentryinfo> - <title>systemd-cgtop</title> - <productname>systemd</productname> - - <authorgroup> - <author> - <contrib>Developer</contrib> - <firstname>Lennart</firstname> - <surname>Poettering</surname> - <email>lennart@poettering.net</email> - </author> - </authorgroup> - </refentryinfo> - - <refmeta> - <refentrytitle>systemd-cgtop</refentrytitle> - <manvolnum>1</manvolnum> - </refmeta> - - <refnamediv> - <refname>systemd-cgtop</refname> - <refpurpose>Show top control groups by their resource usage</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <cmdsynopsis> - <command>systemd-cgtop</command> - <arg choice="opt" rep="repeat">OPTIONS</arg> - </cmdsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Description</title> - - <para><command>systemd-cgtop</command> shows the top control - groups of the local Linux control group hierarchy, ordered by - their CPU, memory, or disk I/O load. The display is refreshed in - regular intervals (by default every 1s), similar in style to - <citerefentry project='man-pages'><refentrytitle>top</refentrytitle><manvolnum>1</manvolnum></citerefentry>. - If <command>systemd-cgtop</command> is not connected to a tty, - only one iteration is performed and no columns headers are - printed. This mode is suitable for scripting.</para> - - <para>Resource usage is only accounted for control groups in the - relevant hierarchy, i.e. CPU usage is only accounted for control - groups in the <literal>cpuacct</literal> hierarchy, memory usage - only for those in <literal>memory</literal> and disk I/O usage for - those in <literal>blkio</literal>. If resource monitoring for - these resources is required, it is recommended to add the - <varname>CPUAccounting=1</varname>, - <varname>MemoryAccounting=1</varname> and - <varname>BlockIOAccounting=1</varname> settings in the unit files - in question. See - <citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry> - for details.</para> - - <para>To emphasize this: unless - <literal>CPUAccounting=1</literal>, - <literal>MemoryAccounting=1</literal> and - <literal>BlockIOAccounting=1</literal> are enabled for the - services in question, no resource accounting will be available for - system services and the data shown by - <command>systemd-cgtop</command> will be incomplete.</para> - </refsect1> - - <refsect1> - <title>Options</title> - - <para>The following options are understood:</para> - - <variablelist> - <varlistentry> - <term><option>-p</option></term> - - <listitem><para>Order by control group - path name.</para></listitem> - </varlistentry> - - <varlistentry> - <term><option>-t</option></term> - - <listitem><para>Order by number of tasks in control group - (i.e. threads and processes).</para></listitem> - </varlistentry> - - <varlistentry> - <term><option>-c</option></term> - - <listitem><para>Order by CPU load.</para></listitem> - </varlistentry> - - <varlistentry> - <term><option>-m</option></term> - - <listitem><para>Order by memory usage.</para></listitem> - </varlistentry> - - <varlistentry> - <term><option>-i</option></term> - - <listitem><para>Order by disk I/O load.</para></listitem> - </varlistentry> - - <varlistentry> - <term><option>-b</option></term> - <term><option>--batch</option></term> - - <listitem><para>Run in "batch" mode: do not accept input and - run until the iteration limit set with - <option>--iterations</option> is exhausted or until killed. - This mode could be useful for sending output from - <command>systemd-cgtop</command> to other programs or to a - file.</para></listitem> - </varlistentry> - - <varlistentry> - <term><option>-n</option></term> - <term><option>--iterations=</option></term> - - <listitem><para>Perform only this many iterations. - </para></listitem> - </varlistentry> - - <varlistentry> - <term><option>-d</option></term> - <term><option>--delay=</option></term> - - <listitem><para>Specify refresh delay in seconds (or if one of - <literal>ms</literal>, - <literal>us</literal>, - <literal>min</literal> is specified as unit in this time - unit).</para></listitem> - </varlistentry> - - <varlistentry> - <term><option>--depth=</option></term> - - <listitem><para>Maximum control group tree traversal depth. - Specifies how deep <command>systemd-cgtop</command> shall - traverse the control group hierarchies. If 0 is specified, - only the root group is monitored. For 1, only the first level - of control groups is monitored, and so on. Defaults to - 3.</para></listitem> - </varlistentry> - - <xi:include href="standard-options.xml" xpointer="help" /> - <xi:include href="standard-options.xml" xpointer="version" /> - </variablelist> - - </refsect1> - - - <refsect1> - <title>Keys</title> - - <para><command>systemd-cgtop</command> is an interactive tool and - may be controlled via user input using the following keys:</para> - - <variablelist> - <varlistentry> - <term>h</term> - - <listitem><para>Shows a short help text.</para></listitem> - </varlistentry> - - <varlistentry> - <term>SPACE</term> - - <listitem><para>Immediately refresh output.</para></listitem> - </varlistentry> - - <varlistentry> - <term>q</term> - - <listitem><para>Terminate the program.</para></listitem> - </varlistentry> - - - <varlistentry> - <term>p</term> - <term>t</term> - <term>c</term> - <term>m</term> - <term>i</term> - - <listitem><para>Sort the control groups by path, number of - tasks, CPU load, memory usage, or IO load, respectively. - </para></listitem> - </varlistentry> - - <varlistentry> - <term>%</term> - - <listitem><para>Toggle between showing CPU time as time or - percentage.</para></listitem> - </varlistentry> - - <varlistentry> - <term>+</term> - <term>-</term> - - <listitem><para>Increase or decrease refresh delay, - respectively.</para></listitem> - </varlistentry> - - </variablelist> - </refsect1> - - <refsect1> - <title>Exit status</title> - - <para>On success, 0 is returned, a non-zero failure code - otherwise.</para> - </refsect1> - - <refsect1> - <title>See Also</title> - <para> - <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, - <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, - <citerefentry><refentrytitle>systemd-cgls</refentrytitle><manvolnum>1</manvolnum></citerefentry>, - <citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>, - <citerefentry project='man-pages'><refentrytitle>top</refentrytitle><manvolnum>1</manvolnum></citerefentry> - </para> - </refsect1> - -</refentry> |