mirror of
https://github.com/Zeckmathederg/glfs.git
synced 2025-01-25 07:42:13 +08:00
ff769b8c61
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@3656 af4574ff-66df-0310-9fd7-8a98e5e911e0
215 lines
7.2 KiB
XML
215 lines
7.2 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
|
|
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
|
|
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
|
|
<!ENTITY % general-entities SYSTEM "../../general.ent">
|
|
%general-entities;
|
|
|
|
<!ENTITY sysstat-download-http "http://perso.wanadoo.fr/sebastien.godard/sysstat-&sysstat-version;.tar.bz2">
|
|
<!ENTITY sysstat-download-ftp "ftp://ibiblio.org/pub/linux/system/status/sysstat-&sysstat-version;.tar.bz2">
|
|
<!ENTITY sysstat-md5sum "075488cbb5979deec0ab05f3ca0c8d12">
|
|
<!ENTITY sysstat-size "118 KB">
|
|
<!ENTITY sysstat-buildsize "1.88 MB">
|
|
<!ENTITY sysstat-time "0.04 SBU">
|
|
]>
|
|
|
|
<sect1 id="sysstat" xreflabel="Sysstat-&sysstat-version;">
|
|
<sect1info>
|
|
<othername>$LastChangedBy$</othername>
|
|
<date>$Date$</date>
|
|
</sect1info>
|
|
<?dbhtml filename="sysstat.html"?>
|
|
<title>Sysstat-&sysstat-version;</title>
|
|
<indexterm zone="sysstat">
|
|
<primary sortas="a-Sysstat">Sysstat</primary></indexterm>
|
|
|
|
<sect2>
|
|
<title>Introduction to <application>Sysstat</application></title>
|
|
|
|
<para>The <application>Sysstat</application> package contains utilities to
|
|
monitor system performance and usage activity.
|
|
<application>Sysstat</application> contains the <command>sar</command> utility,
|
|
common to many commercial Unixes, and tools you can schedule via cron to
|
|
collect and historize performance and activity data.</para>
|
|
|
|
<sect3><title>Package information</title>
|
|
<itemizedlist spacing='compact'>
|
|
<listitem><para>Download (HTTP):
|
|
<ulink url="&sysstat-download-http;"/></para></listitem>
|
|
<listitem><para>Download (FTP):
|
|
<ulink url="&sysstat-download-ftp;"/></para></listitem>
|
|
<listitem><para>Download MD5 sum:
|
|
&sysstat-md5sum;</para></listitem>
|
|
<listitem><para>Download size:
|
|
&sysstat-size;</para></listitem>
|
|
<listitem><para>Estimated disk space required:
|
|
&sysstat-buildsize;</para></listitem>
|
|
<listitem><para>Estimated build time:
|
|
&sysstat-time;</para></listitem></itemizedlist>
|
|
</sect3>
|
|
|
|
<sect3><title><application>Sysstat</application> dependencies</title>
|
|
<sect4><title>Recommended</title>
|
|
<para><xref linkend="fcron"/></para></sect4>
|
|
</sect3>
|
|
|
|
</sect2>
|
|
|
|
<sect2>
|
|
<title>Installation of <application>Sysstat</application></title>
|
|
|
|
<para>Install <application>Sysstat</application> by running the
|
|
following commands:</para>
|
|
|
|
<screen><userinput><command>make config &&
|
|
make</command></userinput></screen>
|
|
|
|
<para>Now, as the root user:</para>
|
|
|
|
<screen><userinput role='root'><command>make install</command></userinput></screen>
|
|
|
|
</sect2>
|
|
|
|
<sect2>
|
|
<title>Command explanations</title>
|
|
|
|
<para><command>make config</command>: Runs the interactive configuration
|
|
process. The first question prompts you for an
|
|
<quote><computeroutput>Installation directory</computeroutput></quote>. Reply
|
|
with <filename class="directory">/usr</filename>, as
|
|
this is equivalent to <application>Autoconf</application>'s
|
|
<parameter>--prefix=/usr</parameter> parameter to
|
|
<command>configure</command>. For all other prompts, you may
|
|
press <command>Enter</command> to accept the (very sane) defaults. When
|
|
prompted for <quote><computeroutput>Number of daily data files to keep:
|
|
[7]</computeroutput></quote>, you may wish to keep a larger number of files.
|
|
However, don't exceed 25 because <application>Sysstat</application> will
|
|
resuse existing files the next month, leading to erroneous daily
|
|
reports.</para>
|
|
|
|
</sect2>
|
|
|
|
<sect2>
|
|
<title>Configuring <application>Sysstat</application></title>
|
|
|
|
<sect3><title>Cron information</title>
|
|
|
|
<para>To begin gathering <application>Sysstat</application> history
|
|
information, you must add to, or create a privileged user's crontab. The
|
|
default history data location is
|
|
<filename class="directory">/var/log/sa</filename>. The user running
|
|
<application>Sysstat</application> utilities via cron must have write
|
|
access to this location.</para>
|
|
|
|
<para>Below is an example of what to install in the crontab. Adjust the
|
|
parameters to suit your needs. Use <command>man sa1</command> and
|
|
<command>man sa2</command> for information about the commands.</para>
|
|
|
|
<screen><userinput># 8am-7pm activity reports every 10 minutes during weekdays
|
|
0 8-18 * * 1-5 /usr/lib/sa/sa1 600 6 &
|
|
|
|
# 7pm-8am activity reports every hour during weekdays
|
|
0 19-7 * * 1-5 /usr/lib/sa/sa1 &
|
|
|
|
# Activity reports every hour on Saturday and Sunday
|
|
0 * * * 0,6 /usr/lib/sa/sa1 &
|
|
|
|
# Daily summary prepared at 19:05
|
|
5 19 * * * /usr/lib/sa/sa2 -A &</userinput></screen>
|
|
|
|
<para>Ensure you submit the revised crontab to the cron daemon.</para>
|
|
</sect3>
|
|
|
|
<sect3 id="sysstat-init"><title>System startup information</title>
|
|
<indexterm zone="sysstat sysstat-init">
|
|
<primary sortas="f-sysstat">sysstat</primary></indexterm>
|
|
|
|
<para>At system startup, a LINUX RESTART message must be inserted in the daily
|
|
data file to reinitialize the kernel counters. This can be automated by
|
|
installing the <filename>/etc/rc.d/init.d/sysstat</filename> init script
|
|
included in the <xref linkend="intro-important-bootscripts"/> package using
|
|
the following command:</para>
|
|
|
|
<screen><userinput role='root'><command>make install-sysstat</command></userinput></screen>
|
|
</sect3>
|
|
|
|
</sect2>
|
|
|
|
<sect2>
|
|
<title>Contents</title>
|
|
|
|
<segmentedlist>
|
|
<segtitle>Installed Programs</segtitle>
|
|
<segtitle>Installed Libraries</segtitle>
|
|
<segtitle>Installed Directories</segtitle>
|
|
|
|
<seglistitem>
|
|
<seg>iostat, mpstat, sar, sa1, sa2 and sadc</seg>
|
|
<seg>None</seg>
|
|
<seg>/usr/lib/sa and /var/log/sa</seg>
|
|
</seglistitem>
|
|
</segmentedlist>
|
|
|
|
<variablelist>
|
|
<bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|
<?dbfo list-presentation="list"?>
|
|
|
|
<varlistentry id="iostat">
|
|
<term><command>iostat</command></term>
|
|
<listitem><para>reports <acronym>CPU</acronym> statistics and input/output
|
|
statistics for devices and partitions.</para>
|
|
<indexterm zone="sysstat iostat">
|
|
<primary sortas="b-iostat">iostat</primary>
|
|
</indexterm></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="mpstat">
|
|
<term><command>mpstat</command></term>
|
|
<listitem><para>reports individual or combined processor related
|
|
statistics.</para>
|
|
<indexterm zone="sysstat mpstat">
|
|
<primary sortas="b-mpstat">mpstat</primary>
|
|
</indexterm></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sar">
|
|
<term><command>sar</command></term>
|
|
<listitem><para> collects, reports and saves system activity
|
|
information.</para>
|
|
<indexterm zone="sysstat sar">
|
|
<primary sortas="b-sar">sar</primary>
|
|
</indexterm></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sa1">
|
|
<term><command>sa1</command></term>
|
|
<listitem><para>collects and stores binary data in the system activity daily
|
|
data file. It is a front end to <filename>sadc</filename> designed to be run
|
|
from cron.</para>
|
|
<indexterm zone="sysstat sa1">
|
|
<primary sortas="b-sa1">sa1</primary>
|
|
</indexterm></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sa2">
|
|
<term><command>sa2</command></term>
|
|
<listitem><para>writes a summarized daily activity report. It is a front end
|
|
to <command>sar</command> designed to be run from cron.</para>
|
|
<indexterm zone="sysstat sa2">
|
|
<primary sortas="b-sa2">sa2</primary>
|
|
</indexterm></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="sadc">
|
|
<term><command>sadc</command></term>
|
|
<listitem><para>is the system activity data collector, used as a backend for
|
|
<command>sar</command>.</para>
|
|
<indexterm zone="sysstat sadc">
|
|
<primary sortas="b-sadc">sadc</primary>
|
|
</indexterm></listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
|
|
</sect2>
|
|
|
|
</sect1>
|