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Diffstat (limited to 'man/systemd-bootchart.xml')
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diff --git a/man/systemd-bootchart.xml b/man/systemd-bootchart.xml new file mode 100644 index 0000000000..4d53824d46 --- /dev/null +++ b/man/systemd-bootchart.xml @@ -0,0 +1,117 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?> +<!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 Intel Corporation + + Authors: + Auke Kok <auke-jan.h.kok@intel.com> + + 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-bootchart"> + <refentryinfo> + <title>systemd-bootchart</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Auke</firstname> + <surname>Kok</surname> + <email>auke-jan.h.kok@intel.com</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-bootchart</refentrytitle> + <manvolnum>1</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-bootchart</refname> + <refpurpose>Boot performance analysis graphing tool</refpurpose> + </refnamediv> + + <refsect1> + <title>Description</title> + + <para>Systemd-bootchart is an boot time analysis tool. It represents + various aspects of the system as graph elements. These graph + elements allow the user to determine resource usage, efficiency + and performance issues.</para> + + </refsect1> + + <refsect1> + <title>Invocation</title> + + <para>systemd-bootchart can be invoked in several different ways:</para> + + <variablelist class='bootchart-invocation'> + + <varlistentry> + <title>Kernel invocation</title> + <listitem><para>The kernel can invoke systemd-bootchart + instead of the init process. In itself, systemd-bootchart + will invoke <filename>/sbin/init</filename> if invoked in + this matter.</para></listitem> + </varlistentry> + + <varlistentry> + <title>Started as a standalone program</title> + <listitem><para>One can execute systemd-bootchart as + normal application from the commandline. In this mode + it is highly recommended to pass the "-r" flag in order + to not graph the time elapsed since boot and before + systemd-bootchart was started, as it may result in + extremely large graphs. + </para></listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>Options</title> + + <para>Please read systemd-bootchart --help or the bootchart.conf manual + page for information about the various options that influence how + systemd-bootchart operates.</para> + </refsect1> + + <refsect1> + <title>Output</title> + + <para>Systemd-bootchart generates SVG graphs. In order to render these + on a graphica display any SVG capable viewer can be used. It should be + noted that the SVG render engines in most browsers (including Chrome + and Firefox) are many times faster than dedicated graphical applications + like Gimp and Inkscape. Just point your browser at "file:///var/log"! + </para> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>bootchart.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |