1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.4/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 | <!ENTITY sysstat-download-http "http://perso.wanadoo.fr/sebastien.godard/sysstat-&sysstat-version;.tar.bz2">
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8 | <!ENTITY sysstat-download-ftp "ftp://ibiblio.org/pub/linux/system/status/sysstat-&sysstat-version;.tar.bz2">
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9 | <!ENTITY sysstat-md5sum "99ed143d7e753f0b2220baa115859b44">
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10 | <!ENTITY sysstat-size "120 KB">
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11 | <!ENTITY sysstat-buildsize "1.9 MB">
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12 | <!ENTITY sysstat-time "less than 0.1 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="sysstat" xreflabel="Sysstat-&sysstat-version;">
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16 | <?dbhtml filename="sysstat.html"?>
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17 |
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18 | <sect1info>
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19 | <othername>$LastChangedBy$</othername>
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20 | <date>$Date$</date>
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21 | <keywordset>
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22 | <keyword role="package">sysstat-&sysstat-version;.tar</keyword>
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23 | <keyword role="ftpdir">sysstat</keyword>
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24 | </keywordset>
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25 | </sect1info>
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26 |
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27 | <title>Sysstat-&sysstat-version;</title>
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28 |
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29 | <indexterm zone="sysstat">
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30 | <primary sortas="a-Sysstat">Sysstat</primary>
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31 | </indexterm>
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32 |
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33 | <sect2 role="package">
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34 | <title>Introduction to Sysstat</title>
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35 |
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36 | <para>The <application>Sysstat</application> package contains utilities
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37 | to monitor system performance and usage activity.
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38 | <application>Sysstat</application> contains the <command>sar</command>
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39 | utility, common to many commercial Unixes, and tools you can schedule via
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40 | cron to collect and historize performance and activity data.</para>
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41 |
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42 | <bridgehead renderas="sect3">Package Information</bridgehead>
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43 | <itemizedlist spacing="compact">
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44 | <listitem>
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45 | <para>Download (HTTP): <ulink url="&sysstat-download-http;"/></para>
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46 | </listitem>
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47 | <listitem>
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48 | <para>Download (FTP): <ulink url="&sysstat-download-ftp;"/></para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>Download MD5 sum: &sysstat-md5sum;</para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>Download size: &sysstat-size;</para>
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55 | </listitem>
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56 | <listitem>
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57 | <para>Estimated disk space required: &sysstat-buildsize;</para>
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58 | </listitem>
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59 | <listitem>
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60 | <para>Estimated build time: &sysstat-time;</para>
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61 | </listitem>
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62 | </itemizedlist>
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63 |
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64 | <bridgehead renderas="sect3">Sysstat Dependencies</bridgehead>
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65 |
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66 | <bridgehead renderas="sect4">Recommended</bridgehead>
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67 | <para role="recommended"><xref linkend="fcron"/></para>
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68 |
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69 | <para condition="html" role="usernotes">User Notes:
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70 | <ulink url="&blfs-wiki;/sysstat"/></para>
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71 |
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72 | </sect2>
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73 |
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74 | <sect2 role="installation">
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75 | <title>Installation of Sysstat</title>
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76 |
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77 | <para>Install <application>Sysstat</application> by running the
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78 | following commands:</para>
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79 |
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80 | <screen><userinput>make config &&
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81 | make</userinput></screen>
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82 |
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83 | <para>This package does not come with a test suite.</para>
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84 |
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85 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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86 |
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87 | <screen role="root"><userinput>make install &&
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88 | install -v -m644 sysstat.sysconfig /etc/sysconfig/sysstat</userinput></screen>
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89 |
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90 | </sect2>
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91 |
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92 | <sect2 role="commands">
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93 | <title>Command Explanations</title>
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94 |
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95 | <para><command>make config</command>: Runs the interactive configuration
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96 | process. The first question prompts you for an
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97 | <quote><computeroutput>Installation directory</computeroutput></quote>.
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98 | Reply with <filename class="directory">/usr</filename>, as this is
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99 | equivalent to <application>Autoconf</application>'s
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100 | <option>--prefix=/usr</option> parameter to <command>configure</command>.
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101 | For all other prompts, you may press <keycap>Enter</keycap> to accept the
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102 | (very sane) defaults. When prompted for <quote><computeroutput>Number of
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103 | daily data files to keep: [7]</computeroutput></quote>, you may wish to
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104 | keep a larger number of files. Note that anything entered larger than 28
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105 | will result in 28 being used.</para>
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106 |
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107 | </sect2>
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108 |
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109 | <sect2 role="configuration">
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110 | <title>Configuring Sysstat</title>
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111 |
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112 | <sect3>
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113 | <title>Cron Information</title>
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114 |
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115 | <para>To begin gathering <application>Sysstat</application> history
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116 | information, you must add to, or create a privileged user's crontab. The
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117 | default history data location is
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118 | <filename class="directory">/var/log/sa</filename>. The user running
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119 | <application>Sysstat</application> utilities via cron must have write
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120 | access to this location.</para>
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121 |
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122 | <para>Below is an example of what to install in the crontab. Adjust the
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123 | parameters to suit your needs. Use <command>man sa1</command> and
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124 | <command>man sa2</command> for information about the commands.</para>
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125 |
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126 | <screen><literal># 8am-7pm activity reports every 10 minutes during weekdays
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127 | 0 8-18 * * 1-5 /usr/lib/sa/sa1 600 6 &
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128 |
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129 | # 7pm-8am activity reports every hour during weekdays
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130 | 0 19-7 * * 1-5 /usr/lib/sa/sa1 &
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131 |
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132 | # Activity reports every hour on Saturday and Sunday
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133 | 0 * * * 0,6 /usr/lib/sa/sa1 &
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134 |
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135 | # Daily summary prepared at 19:05
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136 | 5 19 * * * /usr/lib/sa/sa2 -A &</literal></screen>
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137 |
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138 | <para>Ensure you submit the revised crontab to the cron daemon.</para>
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139 |
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140 | </sect3>
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141 |
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142 | <sect3 id="sysstat-init">
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143 | <title>System Startup Information</title>
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144 |
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145 | <indexterm zone="sysstat sysstat-init">
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146 | <primary sortas="f-sysstat">sysstat</primary>
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147 | </indexterm>
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148 |
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149 | <para>At system startup, a LINUX RESTART message must be inserted in the
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150 | daily data file to reinitialize the kernel counters. This can be
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151 | automated by installing the <filename>/etc/rc.d/init.d/sysstat</filename>
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152 | init script included in the <xref linkend="bootscripts"/>
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153 | package using the following command as the
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154 | <systemitem class="username">root</systemitem> user:</para>
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155 |
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156 | <screen role="root"><userinput>make install-sysstat</userinput></screen>
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157 |
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158 | </sect3>
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159 |
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160 | </sect2>
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161 |
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162 | <sect2 role="content">
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163 | <title>Contents</title>
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164 |
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165 | <segmentedlist>
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166 | <segtitle>Installed Programs</segtitle>
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167 | <segtitle>Installed Libraries</segtitle>
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168 | <segtitle>Installed Directories</segtitle>
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169 |
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170 | <seglistitem>
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171 | <seg>iostat, mpstat, sar, sa1, sa2, sadc and sadf</seg>
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172 | <seg>None</seg>
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173 | <seg>/usr/lib/sa, /usr/share/doc/sysstat-&sysstat-version; and
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174 | /var/log/sa</seg>
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175 | </seglistitem>
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176 | </segmentedlist>
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177 |
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178 | <variablelist>
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179 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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180 | <?dbfo list-presentation="list"?>
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181 | <?dbhtml list-presentation="table"?>
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182 |
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183 | <varlistentry id="iostat">
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184 | <term><command>iostat</command></term>
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185 | <listitem>
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186 | <para>reports CPU statistics and input/output
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187 | statistics for devices and partitions.</para>
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188 | <indexterm zone="sysstat iostat">
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189 | <primary sortas="b-iostat">iostat</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="mpstat">
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195 | <term><command>mpstat</command></term>
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196 | <listitem>
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197 | <para>reports individual or combined processor related
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198 | statistics.</para>
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199 | <indexterm zone="sysstat mpstat">
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200 | <primary sortas="b-mpstat">mpstat</primary>
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201 | </indexterm>
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202 | </listitem>
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203 | </varlistentry>
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204 |
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205 | <varlistentry id="sar">
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206 | <term><command>sar</command></term>
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207 | <listitem>
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208 | <para> collects, reports and saves system activity
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209 | information.</para>
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210 | <indexterm zone="sysstat sar">
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211 | <primary sortas="b-sar">sar</primary>
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212 | </indexterm>
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213 | </listitem>
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214 | </varlistentry>
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215 |
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216 | <varlistentry id="sa1">
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217 | <term><command>sa1</command></term>
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218 | <listitem>
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219 | <para>collects and stores binary data in the system activity daily
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220 | data file. It is a front end to <filename>sadc</filename> designed
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221 | to be run from cron.</para>
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222 | <indexterm zone="sysstat sa1">
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223 | <primary sortas="b-sa1">sa1</primary>
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224 | </indexterm>
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225 | </listitem>
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226 | </varlistentry>
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227 |
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228 | <varlistentry id="sa2">
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229 | <term><command>sa2</command></term>
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230 | <listitem>
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231 | <para>writes a summarized daily activity report. It is a front end
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232 | to <command>sar</command> designed to be run from cron.</para>
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233 | <indexterm zone="sysstat sa2">
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234 | <primary sortas="b-sa2">sa2</primary>
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235 | </indexterm>
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236 | </listitem>
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237 | </varlistentry>
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238 |
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239 | <varlistentry id="sadc">
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240 | <term><command>sadc</command></term>
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241 | <listitem>
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242 | <para>is the system activity data collector, used as a backend for
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243 | <command>sar</command>.</para>
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244 | <indexterm zone="sysstat sadc">
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245 | <primary sortas="b-sadc">sadc</primary>
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246 | </indexterm>
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247 | </listitem>
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248 | </varlistentry>
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249 |
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250 | <varlistentry id="sadf">
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251 | <term><command>sadf</command></term>
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252 | <listitem>
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253 | <para>is used for displaying the contents of data files created by
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254 | the <command>sar</command> command. But unlike
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255 | <command>sar</command>, <command>sadf</command> can write its data
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256 | in many different formats.</para>
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257 | <indexterm zone="sysstat sadf">
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258 | <primary sortas="b-sadf">sadf</primary>
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259 | </indexterm>
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260 | </listitem>
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261 | </varlistentry>
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262 |
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263 | </variablelist>
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264 |
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265 | </sect2>
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266 |
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267 | </sect1>
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