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<!ENTITY legal SYSTEM "legal.xml">
<!ENTITY appletversion "1.10.2">
<!ENTITY manrevision "2.12">
<!ENTITY date "July 2015">
<!ENTITY applet "System Monitor">
]>
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<article id="index" lang="zh-CN">
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  <articleinfo>
    <title lang="en">System Monitor Manual</title>
    <abstract role="description">
      <para lang="en">System Monitor displays system load information in graphical
        format in a panel.</para>
    </abstract>
    <copyright><year>2015</year> <holder>MATE 文档项目</holder></copyright>
    <copyright lang="en">
     <year>2005</year>
     <holder>Davyd Madeley</holder>
    </copyright>
    <copyright><year>2004</year> <holder>Sun Microsystems</holder></copyright>
    <copyright lang="en">
      <year>2003</year>
      <year>2004</year>
      <holder>Chee Bin HOH</holder>
    </copyright>

<!-- translators: uncomment this:
    <copyright>
    <year>2002</year>
    <holder>ME-THE-TRANSLATOR (Latin translation)</holder>
    </copyright>
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    <publisher role="maintainer">
      <publishername>MATE 文档项目</publishername>
    </publisher>
    <publisher>
      <publishername>GNOME 文档项目</publishername>
    </publisher>

      <legalnotice id="legalnotice">
	<para>对于本文档的复制、分发和／或修改必须遵循自由软件基金会 (Free Software Foundation) 发布的 GNU 自由文档许可证 (GFDL) 版本 1.1 或更高版本，该许可证没有固定的部分、没有封面和背页文本。您可以在此<ulink type="help" url="help:fdl">链接</ulink>上或在随本手册一起分发的 COPYING-DOCS 文件中找到 GFDL 的副本。</para>
         <para>本手册是在 GFDL 许可之下分发的 MATE 手册集合的一部分。如果想要单独分发此手册，可以在手册中添加该许可证的一份副本然后分发，如该许可证的第 6 部分所述。</para>

	<para>各个公司使用的许多用于区别它们产品和服务的名称都声明为商标。在所有的 MATE 文档以及 MATE 文档项目的成员中，这些名称都是以全大写字母或首字母大写显示，从而表明它们是商标。</para>

	<para>本文档和文档是根据 GNU 免费文档许可协议的条款提供的，并且还有进一步的阐述: <orderedlist>
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		  <para>无论在任何情况以及在任何法律理论下，本文档或文档修改版本的作者、最初的编写者、任何撰写人或任何分发者，或者任意这些方的任何提供者都不对任何人由于使用本文档或文档修改版本引起或带来的任何直接的、间接的、特殊的、偶然的或继发的损失承担任何民事(包括疏忽)、合同或其它方面的责任，这些损失包括但不限于信誉损失、工作停止、计算机失败或故障，或任何以及所有其它损失或由此引发的或与之相关的损失，即使这些方已被告知存在出现此类损失的可能性时也是如此。</para>
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  </legalnotice>


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    <authorgroup>

      <author lang="en">
        <firstname>MATE Documentation Team</firstname>
        <surname/>
        <affiliation>
        <orgname>MATE Desktop</orgname>
        </affiliation>
      </author>

      <author lang="en">
        <firstname>Angela</firstname>
        <surname>Boyle</surname>
	<affiliation><address>
	 <email>aboyle@aboyle.com</email>
	</address></affiliation>
      </author>

      <author lang="en">
	<firstname>Chee Bin</firstname>
	<surname>HOH</surname>
	<affiliation>
	  <orgname>GNOME Documentation Project</orgname>
	  <address><email>cbhoh@mimos.my</email></address>
	</affiliation>
      </author>

      <author lang="en">
       <firstname>Davyd</firstname><surname>Madeley</surname>
       <affiliation>
        <orgname>GNOME Project</orgname>
        <address><email>davyd@madeley.id.au</email></address>
       </affiliation>
      </author>

      <!-- This is appropriate place for other contributors: translators,
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      <othercredit role="translator">
        <firstname>Latin</firstname>
        <surname>Translator 1</surname>
        <affiliation>
          <orgname>Latin Translation Team</orgname>
          <address> <email>translator@gnome.org</email> </address>
        </affiliation>
        <contrib>Latin translation</contrib>
      </othercredit>
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    </authorgroup>

	<releaseinfo revision="1.10.2" role="review"/>

    <revhistory>
      <revision lang="en">
        <revnumber>System Monitor V2.12</revnumber>
        <date>July 2015</date>
        <revdescription>
          <para role="author" lang="en">MATE Documentation Team</para>
          <para role="publisher" lang="en">MATE Documentation Project</para>
        </revdescription>
      </revision>

      <revision lang="en">
        <revnumber>Version 2.10</revnumber>
	<date>March 2005</date>
	<revdescription>
	  <para role="author" lang="en">Davyd Madeley</para>
	</revdescription>
      </revision>

      <revision lang="en">
	<revnumber>Version 2.8</revnumber>
	<date>August 2004</date>
	<revdescription>
          <para role="author" lang="en">Angela Boyle</para>
          <para role="publisher" lang="en">GNOME Documentation Project</para>
	</revdescription>
      </revision>

      <revision lang="en">
	<revnumber>System Monitor Applet Manual V2.1</revnumber>
	<date>February 2004</date>
	<revdescription>
          <para role="author" lang="en">Sun GNOME Documentation Team</para>
          <para role="publisher" lang="en">GNOME Documentation Project</para>
	</revdescription>
      </revision>

      <revision lang="en">
	<revnumber>System Monitor Applet Manual V2.0</revnumber>
	<date>July 2003</date>
	<revdescription>
	  <para role="author" lang="en">Chee Bin HOH
	    <email>cbhoh@mimos.my</email>
          </para>
	  <para role="publisher" lang="en">GNOME Documentation Project</para>
	</revdescription>
      </revision>

    </revhistory>

    <releaseinfo lang="en"> This manual describes version 1.10.2 of System Monitor.
    </releaseinfo>
    <legalnotice>
      <title>反馈</title>
      <para lang="en"> To report a bug or make a suggestion regarding the System Monitor applet or this
	     manual, follow the directions in the
	     <ulink url="help:mate-user-guide/feedback" type="help">MATE Feedback Page</ulink>.
      </para>
    </legalnotice>
  
    <othercredit class="translator">
      <personname>
        <firstname>Christopher Meng</firstname>
      </personname>
      <email>i@cicku.me</email>
    </othercredit>
    <copyright>
      
        <year>2012-2013</year>
      
      <holder>Christopher Meng</holder>
    </copyright>
  
    <othercredit class="translator">
      <personname>
        <firstname>ravix</firstname>
      </personname>
      <email>dr.neemous@gmail.com</email>
    </othercredit>
    <copyright>
      
        <year>2013</year>
      
      <holder>ravix</holder>
    </copyright>
  
    <othercredit class="translator">
      <personname>
        <firstname>Dianjin Wang</firstname>
      </personname>
      <email>1132321739qq@gmail.com</email>
    </othercredit>
    <copyright>
      
        <year>2012</year>
      
      <holder>Dianjin Wang</holder>
    </copyright>
  
    <othercredit class="translator">
      <personname>
        <firstname>Cravix</firstname>
      </personname>
      <email>dr.neemous@gmail.com</email>
    </othercredit>
    <copyright>
      
        <year>2013</year>
      
      <holder>Cravix</holder>
    </copyright>
  
    <othercredit class="translator">
      <personname>
        <firstname>nyanyh</firstname>
      </personname>
      <email>rebuilty@gmail.com</email>
    </othercredit>
    <copyright>
      
        <year>2013</year>
      
      <holder>nyanyh</holder>
    </copyright>
  
    <othercredit class="translator">
      <personname>
        <firstname>liulitchi</firstname>
      </personname>
      <email>xingzuo88@qq.com</email>
    </othercredit>
    <copyright>
      
        <year>2013</year>
      
      <holder>liulitchi</holder>
    </copyright>
  
    <othercredit class="translator">
      <personname>
        <firstname>玉堂白鹤</firstname>
      </personname>
      <email>yjwork@qq.com</email>
    </othercredit>
    <copyright>
      
        <year>2015</year>
      
      <holder>玉堂白鹤</holder>
    </copyright>
  
    <othercredit class="translator">
      <personname>
        <firstname>Mingye Wang</firstname>
      </personname>
      <email>arthur200126@gmail.com</email>
    </othercredit>
    <copyright>
      
        <year>2015-2016</year>
      
      <holder>Mingye Wang</holder>
    </copyright>
  
    <othercredit class="translator">
      <personname>
        <firstname>白铭骢</firstname>
      </personname>
      <email>jeffbai@aosc.xyz</email>
    </othercredit>
    <copyright>
      
        <year>2015-2016</year>
      
      <holder>白铭骢</holder>
    </copyright>
  
    <othercredit class="translator">
      <personname>
        <firstname>刘子兴</firstname>
      </personname>
      <email>liushuyu@aosc.xyz</email>
    </othercredit>
    <copyright>
      
        <year>2015-2016</year>
      
      <holder>刘子兴</holder>
    </copyright>
  </articleinfo>

  <indexterm zone="index" lang="en">
    <primary>System Monitor Applet</primary>
  </indexterm>
  <indexterm zone="index" lang="en">
    <primary>System Monitor</primary>
  </indexterm>

<!-- ============= Document Body ============================= -->
<!-- ============= Introduction ============================== -->
  <sect1 id="multiload-introduction">
    <title>介绍</title>

      <!-- ==== Figure ============================================= -->
      <figure id="system-monitor-applet-fig">
        <title>系统监视器</title>
        <screenshot>
        <mediaobject lang="en">
          <imageobject><imagedata fileref="figures/system-monitor-applet_window.png" format="PNG"/>
          </imageobject>
 	  <textobject>
 	    <phrase>Shows System Monitor. Displays a graph for system CPU load.
            </phrase>
          </textobject>
        </mediaobject>
	</screenshot>
      </figure>
      <!-- ==== End of Figure ======================================= -->

      <para lang="en">
        The <application>System Monitor</application> displays
        system load information in graphical format in a panel.
        You can configure <application>System Monitor</application> to display
        the following information for your system:
      </para>
      <itemizedlist>
        <listitem>
          <para lang="en">
            Usage of CPU (central processing unit) time
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            Memory usage
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            Network traffic
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            Usage of swap space
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            Average system load
          </para>
        </listitem>
	<listitem><para lang="en">Disk load</para></listitem>
      </itemizedlist>

    <sect2 id="multiload-introduction-add">
      <title lang="en">To Add System Monitor to a Panel</title>
      <para lang="en">
        To add <application>System Monitor</application> to a panel, perform the
        following steps:
      </para>
      <orderedlist>
        <listitem>
          <para lang="en">
            Right-click on the panel.
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            Choose <guimenuitem>Add to Panel</guimenuitem>.
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            Scroll down the list of items in the <guilabel>Add to Panel</guilabel>
            dialog, then select <guilabel>System Monitor</guilabel>.
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            Click <guibutton>Add</guibutton>.
          </para>
        </listitem>
      </orderedlist>
      <para lang="en">
        The layout of the <application>System Monitor</application> varies
        depending on the size and type of panel in which the applet resides.
      </para>
    </sect2>

  </sect1>

<!-- ================ Usage ================================ -->
<!-- Use this section to describe how to use the applet to perform the tasks for
     which the applet is designed. -->
  <sect1 id="multiload-usage">
    <title lang="en">Viewing Graphs</title>
	<!-- ================ displaying addistional graphics======================== -->
    <sect2 id="multiload-usage-graphs">
      <title lang="en">Displaying Additional Graphs</title>
      <para lang="en">To configure the <application>System Monitor</application> applet, right-click on the applet, then choose <guimenuitem>Preferences</guimenuitem>. Under <guilabel>Monitored Resources</guilabel> you can choose which graphics you want to display:</para>
          <itemizedlist>
            <listitem>
              <para lang="en">
                <guilabel>Processor</guilabel>
              </para>
              <para lang="en">
                Select this option to display the graph for CPU usage.
              </para>
            </listitem>
            <listitem>
              <para lang="en">
                <guilabel>Memory</guilabel>
              </para>
              <para lang="en">
                Select this option to display the graph for memory usage.
              </para>
            </listitem>
            <listitem>
              <para lang="en">
                <guilabel>Network</guilabel>
              </para>
              <para lang="en">
                Select this option to display the graph for network traffic.
              </para>
            </listitem>
            <listitem>
              <para lang="en">
                <guilabel>Swap Space</guilabel>
              </para>
              <para lang="en">
                Select this option to display the graph for swap-space usage.
              </para>
            </listitem>
            <listitem>
              <para lang="en">
                <guilabel>Load</guilabel>
              </para>
              <para lang="en">
                Select this option to display the graph for average system load.
              </para>
            </listitem>
	    <listitem>
	     <para lang="en"><guilabel>Harddisk</guilabel></para>
	     <para lang="en">
	      Select this option to display the graph for disk usage.
	     </para>
	    </listitem>
          </itemizedlist>
    </sect2>
	<!-- ================ displaying current usage of system resources================== -->
    <sect2 id="multiload-usage-current">
      <title lang="en">To Display the Current Usage of a System Resource</title>
      <para lang="en">
        To display the current usage of a system resource,
        position the mouse pointer over the corresponding graph in the applet.
        A tooltip displays the current usage as a percentage.
      </para>
    </sect2>
	<!-- ================ displaying additional info================== -->
    <sect2 id="multiload-usage-extra">
      <title lang="en">To Display Additional System Monitor Information</title>
      <para lang="en">
        To display additional system monitor information, right-click on the applet,
        then choose <guimenuitem>Open System Monitor</guimenuitem> to start the
        <application>System Monitor</application> application.
      </para>
      <para lang="en">
        The <application>System Monitor</application> application
        enables you to monitor system processes and usage of system resources.
        You can use the <application>System Monitor</application> application
        to modify the behavior of your system.
      </para>
    </sect2>

  </sect1>

<!-- ============= Preferences =========================== -->
  <sect1 id="multiload-prefs">
    <title lang="en">Customizing Appearance</title>
      <figure id="system-monitor-prefs-fig">
        <title lang="en">Preferences Dialog</title>
        <screenshot>
        <mediaobject lang="en">
          <imageobject><imagedata fileref="figures/multiload-preferences.png" format="PNG"/>
          </imageobject>
 	  <textobject>
 	    <phrase>Preferences Dialog
            </phrase>
          </textobject>
        </mediaobject>
	</screenshot>
      </figure>
    <sect2 id="multiload-size">
        <title lang="en">To Change the Width</title>
              <para lang="en">In the right-click menu, go to <guimenuitem>Preferences</guimenuitem>. Under <guilabel>Options</guilabel>, use the <guilabel>System monitor width</guilabel> spin box to specify the width of each <application>System Monitor</application> graph in pixels.</para>
  </sect2>
  <sect2 id="multiload-update">
        <title lang="en">To Update at Regular Intervals</title>
              <para lang="en">In the right-click menu, go to <guimenuitem>Preferences</guimenuitem>. Under <guilabel>Options</guilabel>, use the <guilabel>System monitor update interval</guilabel> spin box to specify the interval at which you want to update the graphs in milliseconds.
              </para>
    </sect2>
	<!-- ================ changing graph colors======================== -->
    <sect2 id="multiload-usage-colors">
      <title lang="en">Changing the Colors in a Graph</title>
      <para lang="en">
        To change the colors in a graph, perform the following steps:
      </para>
      <orderedlist>
        <listitem>
          <para lang="en">
            Right-click on the applet, then choose <guimenuitem>Preferences</guimenuitem>.
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            Select the relevant tab in the <guilabel>Colors</guilabel> area of
            the <guilabel>System Monitor Preferences</guilabel> dialog.
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            Click on the relevant color selector button in the selected tabbed section.
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            On the <guilabel>Pick a Color</guilabel> dialog,
            use the color wheel or spin boxes to choose the line color
            for the selected parameter.
          </para>
        </listitem>
        <listitem>
          <para lang="en">
            Click <guibutton>OK</guibutton>.
          </para>
        </listitem>
      </orderedlist>
      <para lang="en">
            The tabbed section for each resource provides color selection buttons
            that you can use to change the color of the parameters for each resource.
          </para>
          <itemizedlist>
            <listitem>
              <para lang="en">
                <guilabel>Processor</guilabel>
              </para>
              <para lang="en">
                Select this tab to display the color buttons for the following parameters:
              </para>
              <informaltable frame="all">
                <tgroup cols="2" colsep="1" rowsep="1">
                  <colspec colname="COLSPEC0" colwidth="50*"/>
                  <colspec colname="COLSPEC1" colwidth="50*"/>
                  <thead>
                    <row valign="top">
                      <entry colname="COLSPEC0">
                        <para lang="en">Parameter</para></entry>
                      <entry colname="COLSPEC1">
                        <para>描述</para></entry>
                    </row>
                  </thead>
                  <tbody>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>User</guilabel></para></entry>
                      <entry><para lang="en">Processor time used by non-kernel activities</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>System</guilabel></para></entry>
                      <entry><para lang="en">Processor time used by kernel activities</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Nice</guilabel></para></entry>
                      <entry><para lang="en">Processor time used by low-priority processes</para></entry>
                    </row>
		    <row valign="top">
		      <entry><para lang="en"><guilabel>IOWait</guilabel></para></entry>
		      <entry>
		       <para lang="en">Processor time used waiting for I/O</para>
		      </entry>
		    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Idle</guilabel></para></entry>
                      <entry><para lang="en">Unused processor capacity</para></entry>
                    </row>
                  </tbody>
                </tgroup>
              </informaltable>
            </listitem>
            <listitem>
              <para lang="en">
                <guilabel>Memory</guilabel>
              </para>
              <para lang="en">
                Select this tab to display the color buttons for the following parameters:
              </para>
              <informaltable frame="all">
                <tgroup cols="2" colsep="1" rowsep="1">
                  <colspec colname="COLSPEC0" colwidth="50*"/>
                  <colspec colname="COLSPEC1" colwidth="50*"/>
                  <thead>
                    <row valign="top">
                      <entry colname="COLSPEC0">
                        <para lang="en">Parameter</para></entry>
                      <entry colname="COLSPEC1">
                        <para>描述</para></entry>
                    </row>
                  </thead>
                  <tbody>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>User</guilabel></para></entry>
                      <entry><para lang="en">Memory used by non-kernel activities</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Shared</guilabel></para></entry>
                      <entry><para lang="en">Memory used by more than one application</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Buffers</guilabel></para></entry>
                      <entry><para lang="en">Memory used to temporarily store sent or received data</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Cached</guilabel></para></entry>
                      <entry><para lang="en">Memory used to store data for fast access</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Free</guilabel></para></entry>
                      <entry><para lang="en">Memory not currently in use</para></entry>
                    </row>
                  </tbody>
                </tgroup>
              </informaltable>
            </listitem>
            <listitem>
              <para lang="en">
                <guilabel>Network</guilabel>
              </para>
              <para lang="en">
                Select this tab to display the color buttons for the following parameters:
              </para>
              <informaltable frame="all">
                <tgroup cols="2" colsep="1" rowsep="1">
                  <colspec colname="COLSPEC0" colwidth="50*"/>
                  <colspec colname="COLSPEC1" colwidth="50*"/>
                  <thead>
                    <row valign="top">
                      <entry colname="COLSPEC0">
                        <para lang="en">Parameter</para></entry>
                      <entry colname="COLSPEC1">
                        <para>描述</para></entry>
                    </row>
                  </thead>
                  <tbody>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>In</guilabel></para></entry>
                      <entry><para lang="en">Incoming traffic</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Out</guilabel></para></entry>
                      <entry><para lang="en">Outgoing traffic</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Local</guilabel></para></entry>
                      <entry><para lang="en">Traffic over loopback</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Background</guilabel></para></entry>
                      <entry><para lang="en">Graph background color</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Gridline</guilabel></para></entry>
                      <entry><para lang="en">Color of horizontal gridline when scaling graph</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Indicator</guilabel></para></entry>
                      <entry><para lang="en">Color of indicator showing which threshold was reached</para></entry>
                    </row>

                  </tbody>
                </tgroup>
              </informaltable>
            </listitem>
            <listitem>
              <para lang="en">
                <guilabel>Swap Space</guilabel>
              </para>
              <para lang="en">
                Select this tab to display the color buttons for the following parameters:
              </para>
              <informaltable frame="all">
                <tgroup cols="2" colsep="1" rowsep="1">
                  <colspec colname="COLSPEC0" colwidth="50*"/>
                  <colspec colname="COLSPEC1" colwidth="50*"/>
                  <thead>
                    <row valign="top">
                      <entry colname="COLSPEC0">
                        <para lang="en">Parameter</para></entry>
                      <entry colname="COLSPEC1">
                        <para>描述</para></entry>
                    </row>
                  </thead>
                  <tbody>
                    <row valign="top">
		     <entry><para lang="en"><guilabel>Used</guilabel></para></entry>
		     <entry>
		      <para lang="en">Swap space being used by the system</para>
		     </entry>
		    </row>
		    <row valign="top">
		     <entry><para lang="en"><guilabel>Free</guilabel></para></entry>
		     <entry>
		      <para lang="en">Swap space that is free to be used</para>
		     </entry>
		    </row>
		  </tbody>
		</tgroup>
              </informaltable>
            </listitem>
            <listitem>
              <para lang="en">
                <guilabel>Load</guilabel>
              </para>
              <para lang="en">
                Select this tab to display the color buttons for the following parameters:
              </para>
              <informaltable frame="all">
                <tgroup cols="2" colsep="1" rowsep="1">
                  <colspec colname="COLSPEC0" colwidth="50*"/>
                  <colspec colname="COLSPEC1" colwidth="50*"/>
                  <thead>
                    <row valign="top">
                      <entry colname="COLSPEC0">
                        <para lang="en">Parameter</para></entry>
                      <entry colname="COLSPEC1">
                        <para>描述</para></entry>
                    </row>
                  </thead>
                  <tbody>
                    <row valign="top">
		     <entry><para lang="en"><guilabel>Average</guilabel></para></entry>
		     <entry><para lang="en">System Load</para></entry>
		    </row>
		    <row valign="top">
		     <entry><para lang="en"><guilabel>Background</guilabel></para></entry>
		     <entry><para lang="en">that is, no load</para></entry>
		    </row>
		    <row valign="top">
		     <entry><para lang="en"><guilabel>Grid line</guilabel></para></entry>
		     <entry><para lang="en">Color of grid lines</para></entry>
		    </row>
		  </tbody>
		</tgroup>
	      </informaltable>
            </listitem>
            <listitem>
              <para lang="en">
                <guilabel>Harddisk</guilabel>
              </para>
              <para lang="en">
                Select this tab to display the color buttons for the following parameters:
              </para>
              <informaltable frame="all">
                <tgroup cols="2" colsep="1" rowsep="1">
                  <colspec colname="COLSPEC0" colwidth="50*"/>
                  <colspec colname="COLSPEC1" colwidth="50*"/>
                  <thead>
                    <row valign="top">
                      <entry colname="COLSPEC0">
                        <para lang="en">Parameter</para></entry>
                      <entry colname="COLSPEC1">
                        <para>描述</para></entry>
                    </row>
                  </thead>
                  <tbody>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Read</guilabel></para></entry>
                      <entry><para lang="en">Disk read rate</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Write</guilabel></para></entry>
                      <entry><para lang="en">Disk write rate</para></entry>
                    </row>
                    <row valign="top">
                      <entry><para lang="en"><guilabel>Background</guilabel></para></entry>
                      <entry><para lang="en">Idle disk time</para></entry>
                    </row>
		  </tbody>
		</tgroup>
	      </informaltable>
	    </listitem>
          </itemizedlist>
    </sect2>
    <!-- ================ Explaining thresholds======================== -->
    <sect2 id="network thresholds">
        <title>网络速度阈值</title>
        <para lang="en">
            Thresholds together with indicator allow network graph to scale and better represent actual workload.
            If combined network traffic (in + out + loopback) is below threshold1, no indicator is shown, y-axis
            on network graph go from 0 to threshold1. When traffic is more than threshold1, one indicator will be
            shown and y-axis now go from 0 to threshold2. When threshold2 is reached, two indicators will be shown
            and y-axis go from 0 to threshold3. When threshold3 is reached, three indicators are shown and y-axis
            go form 0 to whatever is current maximum in graph.
        </para>
        <para lang="en">
            Gridlines are hard to explain, just observe, and they are obvious.
        </para>
    </sect2>
  </sect1>
</article>
