~ubuntu-branches/ubuntu/oneiric/gnome-system-monitor/oneiric-proposed

To report a bug or make a suggestion regarding the &app; application or this manual, follow the directions in the <ulink url="ghelp:gnome-feedback" type="help">GNOME Feedback Page</ulink>.

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</para>

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</legalnotice>

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</articleinfo>

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<primary>System Monitor</primary>

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</indexterm>

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<primary>gnome-system-monitor</primary>

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</indexterm>

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<primary>procman</primary>

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</indexterm>

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<title>Introduction</title>

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<para>

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The <application>&app;</application> application enables you to monitor system processes and usage of system resources. You can also use <application>&app;</application> to modify the behavior of your system.

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</para>

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<para>

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The <application>&app;</application> window contains two tabbed sections:

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</para>

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<term>

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<guilabel>Process Listing</guilabel>

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</term>

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<para>

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Shows active processes, and how processes are related to each other. Provides detailed information about individual processes, and enables you to control active processes.

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</para>

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</listitem>

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</varlistentry>

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<term>

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<guilabel>Resource Monitor</guilabel>

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</term>

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<para>

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Displays the current usage of the following system resources:

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</para>

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<para>

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CPU (central processing unit) time

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</para>

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</listitem>

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<para>

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Memory and swap space

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</para>

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</listitem>

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<para>

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Disk space on each device

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</para>

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</listitem>

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</itemizedlist>

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</listitem>

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</varlistentry>

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</variablelist>

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</sect1>

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<title>Getting Started</title>

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<title>To Start &app;</title>

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<para>You can start <application>&app;</application> in the following ways:</para>

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<term><guimenu>Applications</guimenu> menu</term>

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<para>

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Choose <menuchoice><guimenu>System Tools</guimenu> <guimenuitem>System Monitor</guimenuitem></menuchoice>.

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</para>

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</listitem>

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</varlistentry>

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<term>Command line</term>

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<para>

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Execute the following command: <command>gnome-system-monitor</command></para>

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</listitem>

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</varlistentry>

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</variablelist>

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</sect2>

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<title>When You Start &app;</title>

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<para>

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When you start <application>&app;</application>, the following window is displayed:

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</para>

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<title>&app; Window</title>

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</imageobject>

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<textobject> <phrase>Shows System Monitor main window.</phrase>

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</textobject>

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</mediaobject>

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</screenshot>

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</figure>

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<para>

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The <application>&app;</application> window contains the following elements:

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</para>

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<term>Menubar</term>

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<para>

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The menus on the menubar contain all of the commands that you need to work with <application>&app;</application>.

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</para>

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</listitem>

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</varlistentry>

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<term>Display area</term>

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<para>

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The display area contains the system monitor information. The display area contains the following tabbed sections:

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</para>

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<para>

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<guilabel>Process Listing</guilabel>

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</para>

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<para>

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Contains a <guilabel>Search</guilabel> text box, a <guilabel>View</guilabel> drop-down list, a list of processes organized as a table, a <guilabel>More Info</guilabel> button, and an <guilabel>End Process</guilabel> button.

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</para>

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<note>

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<para>

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Do not confuse the <guilabel>View</guilabel> drop-down list on the <guilabel>Process Listing</guilabel> tabbed section with the <guilabel>View</guilabel> menu in the menubar.

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</para>

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</note>

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</listitem>

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<para>

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<guilabel>Resource Monitor</guilabel>

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</para>

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<para>

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Contains a <guilabel>CPU History</guilabel> graph, a <guilabel>Memory and Swap History</guilabel> graph, and a list of <guilabel>Devices</guilabel> organized as a table.

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</para>

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</listitem>

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</itemizedlist>

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</listitem>

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</varlistentry>

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<term>Statusbar</term>

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<para>

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The statusbar displays information about current <application>&app;</application> activity and contextual information about the menu items.

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</para>

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</listitem>

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</varlistentry>

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</variablelist>

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</sect2>

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</sect1>

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<title>Usage</title>

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<title>To Display the Process List</title>

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<para>

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To display the process list, select the <guilabel>Process Listing</guilabel> tab. The <guilabel>Process Listing</guilabel> tab is displayed by default when you start <application>&app;</application>.

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</para>

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<para>

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In the <guilabel>Process Listing</guilabel> tab, the processes are organized as a table. The rows of the table display information about the processes. The columns represent information fields for the processes, such as the name of the user who owns the process, the amount of memory currently being used by the process, and so on. From left to right, the <guilabel>Process Listing</guilabel> tab displays the following columns by default:

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</para>

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<para>Process Name</para>

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</listitem>

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</listitem>

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<para>Memory</para>

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</listitem>

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<para>X Server Memory</para>

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</listitem>

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</listitem>

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</listitem>

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</itemizedlist>

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<para>

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For information about how to change the columns displayed in the process list, see <xref linkend="gnome-system-monitor-prefs-proclist"/>.

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</para>

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<title>Parent Processes, Child Processes, and Threads</title>

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<para>

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A parent process is a process that spawns another process. The spawned process is a child process of the original parent process. By default, <application>&app;</application> shows process dependencies. For information about how to change the default display behavior, see <xref linkend="gnome-system-monitor-modify-processlist-viewdeps"/>.

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</para>

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<para>

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A thread is a portion of a process that can run independently of and concurrently with other portions of the process. By default, <application>&app;</application> does not show threads. For information about how to change the default display behavior, see <xref linkend="gnome-system-monitor-modify-processlist-viewthreads"/>.

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</para>

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</sect3>

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<title>Process Priority and Nice Values</title>

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<para>

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Processes run in order of priority: high-priority processes run before low-priority processes. Child processes generally inherit their priority from their parent process.

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</para>

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<para>

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The priority of a process is set by the nice value of the process, as follows:

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</para>

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<para>

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A nice value of 0 means that the process has normal priority.

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</para>

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</listitem>

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<para>

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The higher the nice value, the lower the priority.

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</para>

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</listitem>

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<para>

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The lower the nice value, the higher the priority.

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</para>

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</listitem>

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</itemizedlist>

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<para>

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For information about how to change the priority of a process, see <xref linkend="gnome-system-monitor-change-priority"/>.

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</para>

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</sect3>

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</sect2>

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<title>To Sort the Process List</title>

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<para>

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To sort the process list, perform the following steps:

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</para>

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<para>

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Select the <guilabel>Process Listing</guilabel> tab to display the process list.

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</para>

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</listitem>

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<para>

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By default, the processes are listed by name, in alphabetical order. To list the processes in reverse alphabetical order, click on the <guilabel>Process Name</guilabel> column header.

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</para>

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</listitem>

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<para>

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Click on any column header to sort the processes by the information in that column, in alphabetical or numerical order.

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</para>

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</listitem>

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<para>

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Click again on the column header to sort the data in reverse alphabetical or reverse numerical order.

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</para>

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</listitem>

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</orderedlist>

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</sect2>

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<title>To Modify the Contents of the Process List</title>

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<para>

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You can modify the contents of the process list in several ways.

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</para>

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<title>To Show All Processes</title>

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<para>

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To show all processes in the process list, perform the following steps:

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</para>

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<para>

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Select the <guilabel>Process Listing</guilabel> tab to display the process list.

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</para>

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</listitem>

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<para>

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Click on the <guilabel>View</guilabel> drop-down list, then select <guilabel>All Processes</guilabel>.

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</para>

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</listitem>

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</orderedlist>

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</sect3>

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<title>To Show Only Processes Owned by the Current User</title>

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<para>

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To show only the processes that are owned by the current user, perform the following steps:

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</para>

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<para>

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Select the <guilabel>Process Listing</guilabel> tab to display the process list.

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</para>

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</listitem>

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<para>

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Click on the <guilabel>View</guilabel> drop-down list, then select <guilabel>My Processes</guilabel>.

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</para>

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</listitem>

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</orderedlist>

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</sect3>

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<title>To Show Only Active Processes</title>

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<para>

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To show only the active processes in the process list, perform the following steps:

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</para>

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<para>

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Select the <guilabel>Process Listing</guilabel> tab to display the process list.

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</para>

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</listitem>

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<para>

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Click on the <guilabel>View</guilabel> drop-down list, then select <guilabel>Active Processes</guilabel>.

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</para>

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</listitem>

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</orderedlist>

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</sect3>

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<title>To Show Process Dependencies</title>

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<para>

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To show process dependencies in the process list, perform the following steps:

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</para>

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<para>

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Select the <guilabel>Process Listing</guilabel> tab to display the process list.

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</para>

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</listitem>

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<para>

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Choose <menuchoice><guimenu>View</guimenu><guimenuitem>Process Dependencies</guimenuitem></menuchoice>.

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</para>

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</listitem>

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</orderedlist>

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<para>

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If the <guimenuitem>Process Dependencies</guimenuitem> menu item is selected, the processes are listed as follows:

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</para>

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<para>

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Parent processes are indicated by a triangle symbol to the left of the process name. Click on the triangle symbol to show or hide the associated child processes.

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</para>

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</listitem>

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<para>

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Child processes are indented, and listed with their parent process.

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</para>

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</listitem>

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</itemizedlist>

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<para>

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If the <guimenuitem>Process Dependencies</guimenuitem> menu item is not selected:

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</para>

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<para>

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Parent processes and child processes are not distinguishable.

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</para>

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</listitem>

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<para>

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All processes are listed in alphabetical order.

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</para>

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</listitem>

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</itemizedlist>

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</sect3>

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<title>To Show Threads</title>

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<para>

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To show threads in the process list, perform the following steps:

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</para>

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<para>

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Select the <guilabel>Process Listing</guilabel> tab to display the process list.

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</para>

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</listitem>

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<para>

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Choose <menuchoice><guimenu>View</guimenu><guimenuitem>Threads</guimenuitem></menuchoice>.

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</para>

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</listitem>

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</orderedlist>

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</sect3>

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<title>To Hide a Process</title>

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<para>

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To hide a process, perform the following steps:

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</para>

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<para>

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Select the <guilabel>Process Listing</guilabel> tab to display the process list.

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</para>

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</listitem>

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<para>

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Select the process that you want to hide.

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</para>

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</listitem>

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<para>

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Choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Hide Process</guimenuitem></menuchoice>.

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</para>

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<para>

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By default, a confirmation alert is displayed. For information about how to display or hide the confirmation alert, see <xref linkend="gnome-system-monitor-prefs-proclist"/>.

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</para>

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</listitem>

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<para>

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Click on the <guibutton>Hide Process</guibutton> button to confirm that you want to hide the process.

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</para>

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</listitem>

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</orderedlist>

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</sect3>

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<title>To Re-Display Hidden Processes</title>

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<para>

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To re-display hidden processes in the process list, perform the following steps:

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</para>

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<para>

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Choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Hidden Processes</guimenuitem></menuchoice>. If no processes are currently hidden, an information alert is displayed. If any processes are currently hidden, the <guilabel>Manage Hidden Processes</guilabel> dialog is displayed.

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</para>

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</listitem>

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<para>

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Select the processes that you want to re-display in the process list.

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</para>

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</listitem>

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<para>

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Click on the <guibutton>Remove From List</guibutton> button. The processes are no longer hidden, and are displayed in the process list.

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</para>

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</listitem>

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<para>

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Click <guibutton>Close</guibutton> to close the <guilabel>Manage Hidden Processes</guilabel> dialog.

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</para>

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</listitem>

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</orderedlist>

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</sect3>

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</sect2>

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<title>To Find a Process</title>

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<para>

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To find a process in the process list, perform the following steps:

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</para>

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<para>

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Select the <guilabel>Process Listing</guilabel> tab to display the process list.

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</para>

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</listitem>

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<para>

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Type the name of the process in the <guilabel>Search</guilabel> text box. Wildcards are not supported.

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</para>

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</listitem>

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<para>

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Press <keycap>Return</keycap>.

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</para>

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<para>

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If the process exists, <application>&app;</application> highlights the process name in the process list. Press <keycap>Return</keycap> repeatedly to highlight other occurrences of the process name in the process list.

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</para>

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<para>

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If the process does not exist, <application>&app;</application> displays an error dialog.

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</para>

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</listitem>

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</orderedlist>

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</sect2>

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<title>To Show or Hide Additional Process Information</title>

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<para>

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To show additional information about a process, perform the following steps:

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</para>

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<para>

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Select the <guilabel>Process Listing</guilabel> tab to display the process list.

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</para>

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</listitem>

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<para>

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Select the process in the process list.

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</para>

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</listitem>

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<para>

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Click on the <guibutton>More Info</guibutton> button.

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</para>

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</listitem>

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</orderedlist>

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<para>

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<application>&app;</application> displays the following additional process information:

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</para>

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<term><guilabel>Process Info</guilabel></term>

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<para>

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<guilabel>Command</guilabel>

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</para>

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<para>

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The name of the command that started the process.

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</para>

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</listitem>

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<para>

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<guilabel>Status</guilabel>

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</para>

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<para>

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The current status of the process: sleeping or running.

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</para>

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</listitem>

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<para>

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<guilabel>Priority</guilabel>

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</para>

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<para>

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The priority of the process, and the associated nice value.

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</para>

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</listitem>

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</itemizedlist>

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</listitem>

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</varlistentry>

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<term><guilabel>Memory Usage</guilabel></term>

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<para>

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<guilabel>Total</guilabel>

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</para>

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<para>

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The total amount of memory used by the process.

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</para>

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</listitem>

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<para>

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</para>

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<para>

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The amount of RSS or physical memory used by the process.

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</para>

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</listitem>

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<para>

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<guilabel>Shared</guilabel>

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</para>

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<para>

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The amount of shared memory used by the process.

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</para>

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</listitem>

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</itemizedlist>

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</listitem>

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</varlistentry>

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</variablelist>

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<para>

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To hide the additional process information, click on the <guibutton>Less Info</guibutton> button.

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</para>

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<tip>

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<para>

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You can also double-click on the process in the process list, to show or hide the additional process information.

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</para>

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</tip>

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</sect2>

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<title>To Display Memory Maps for a Process</title>

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<para>

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To display memory maps for a process, perform the following steps:

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</para>

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<para>

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Select the <guilabel>Process Listing</guilabel> tab to display the process list.

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</para>

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</listitem>

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<para>

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Select the process in the process list.

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</para>

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</listitem>

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<para>

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Choose <menuchoice><guimenu>View</guimenu><guimenuitem>Memory Maps</guimenuitem></menuchoice>.

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</para>

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</listitem>

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</orderedlist>

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<para>

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The <guilabel>Memory Maps</guilabel> dialog displays the information in tabular format. The name of the process is displayed above the memory-map table. From left to right, the <guilabel>Memory Maps</guilabel> dialog displays the following columns:

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</para>

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<term><guilabel>Filename</guilabel></term>

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<para>

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The location of a shared library that is currently used by the process. If this field is blank, the memory information in this row describes memory that is owned by the process whose name is displayed above the memory-map table.

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</para>

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</listitem>

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</varlistentry>

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<term><guilabel>VM Start</guilabel></term>

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<para>

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The address at which the memory segment begins.

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</para>

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</listitem>

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</varlistentry>

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<para>

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The address at which the memory segment ends.

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</para>

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</listitem>

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</varlistentry>

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<para>

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The size of the memory segment.

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</para>

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</listitem>

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</varlistentry>

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<term><guilabel>Flags</guilabel></term>

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<para>

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The following flags describe the different types of memory-segment access that the process can have:

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</para>

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<para>

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The memory segment is private to the process, and is not accessible to other processes.

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</para>

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</listitem>

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</varlistentry>

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<para>

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The process has permission to read from the memory segment.

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</para>

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</listitem>

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</varlistentry>

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<para>

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The memory segment is shared with other processes.

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</para>

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</listitem>

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</varlistentry>

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<para>

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The process has permission to write into the memory segment.

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</para>

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</listitem>

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</varlistentry>

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<para>

819

The process has permission to execute instructions that are contained within the memory segment.

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</para>

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</listitem>

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</varlistentry>

823

</variablelist>

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</listitem>

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</varlistentry>

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<term><guilabel>VM offset</guilabel></term>

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<para>

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The virtual memory offset of the memory segment.

831

</para>

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</listitem>

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</varlistentry>

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<term><guilabel>Device</guilabel></term>

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<para>

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The major and minor device numbers of the device on which the shared library filename is located.

839

</para>

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</listitem>

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</varlistentry>

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<term><guilabel>Inode</guilabel></term>

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<para>

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The inode on the device from which the shared library location is loaded into memory.

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</para>

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</listitem>

849

</varlistentry>

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</variablelist>

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<para>

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Click on any column header to sort the data by the information in that column, in alphabetical or numerical order. Click again on the column header to sort the data in reverse alphabetical or reverse numerical order.

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</para>

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<para>

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Click <guibutton>Close</guibutton> to close the <guilabel>Memory Maps</guilabel> dialog.

856

</para>

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</sect2>

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<title>To Change the Priority of a Process</title>

861

<para>

862

To change the priority of a process, perform the following steps:

863

</para>

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<para>

867

Select the <guilabel>Process Listing</guilabel> tab to display the process list.

868

</para>

869

</listitem>

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<para>

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Select the process for which you want to change the priority.

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</para>

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</listitem>

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<para>

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Choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Change Priority</guimenuitem></menuchoice>. The <guilabel>Change Priority</guilabel> dialog is displayed.

878

</para>

879

</listitem>

880

881

<para>

882

Use the slider to set the nice value of the process.

883

</para>

884

<para>

885

The nice value sets the priority of the process: the lower the nice value, the higher the priority.

886

</para>

887

<para>

888

To specify a nice value lower than zero, non-root users must enter the root password.

889

</para>

890

</listitem>

891

892

<para>

893

Click on the <guibutton>Change Priority</guibutton> button.

894

</para>

895

</listitem>

896

</orderedlist>

897

</sect2>

898

899

900

901

<title>To End a Process</title>

902

<para>

903

To end a process, perform the following steps:

904

</para>

905

906

907

<para>

908

Select the <guilabel>Process Listing</guilabel> tab to display the process list.

909

</para>

910

</listitem>

911

912

<para>

913

Select the process that you want to end.

914

</para>

915

</listitem>

916

917

<para>

918

Choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>End Process</guimenuitem></menuchoice>, or click on the <guibutton>End Process</guibutton> button.

919

</para>

920

<para>

921

By default, a confirmation alert is displayed. For information about how to display or hide the confirmation alert, see <xref linkend="gnome-system-monitor-prefs-proclist"/>.

922

</para>

923

</listitem>

924

925

<para>

926

Click on the <guibutton>End Process</guibutton> button to confirm that you want to end the process. <application>&app;</application> forces the process to finish normally.

927

</para>

928

</listitem>

929

</orderedlist>

930

<para>

931

This is the preferred way to stop a process.

932

</para>

933

</sect2>

934

935

936

<title>To Terminate a Process</title>

937

<para>

938

To terminate a process, perform the following steps:

939

</para>

940

941

942

<para>

943

Select the <guilabel>Process Listing</guilabel> tab to display the process list.

944

</para>

945

</listitem>

946

947

<para>

948

Select the process that you want to terminate.

949

</para>

950

</listitem>

951

952

<para>

953

Choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Kill Process</guimenuitem></menuchoice>.

954

</para>

955

<para>

956

By default, a confirmation alert is displayed. For information about how to display or hide the confirmation alert, see <xref linkend="gnome-system-monitor-prefs-proclist"/>.

957

</para>

958

</listitem>

959

960

<para>

961

Click on the <guibutton>Kill Process</guibutton> button to confirm that you want to terminate the process. <application>&app;</application> forces the process to finish immediately.

962

</para>

963

</listitem>

964

</orderedlist>

965

<para>

966

You usually terminate a process only if you cannot end the process normally as described in <xref linkend="gnome-system-monitor-end-process"/>.

967

</para>

968

</sect2>

969

970

971

<title>To Monitor CPU Usage</title>

972

<para>

973

To monitor CPU usage, select the <guilabel>Resource Monitor</guilabel> tab.

974

</para>

975

<para>

976

<application>&app;</application> displays the CPU usage history in graphical format. Underneath the graph, <application>&app;</application> also displays the current CPU usage, as a percentage.

977

</para>

978

</sect2>

979

980

981

982

<title>To Monitor Memory and Swap Usage</title>

983

<para>

984

To monitor memory and swap usage, select the <guilabel>Resource Monitor</guilabel> tab.

985

</para>

986

<para>

987

<application>&app;</application> displays the memory usage history and the swap usage history in graphical format. Underneath the graph, <application>&app;</application> also displays the following numerical values:

988

</para>

989

990

991

<para>

992

Used memory

993

</para>

994

</listitem>

995

996

<para>

997

Total memory

998

</para>

999

</listitem>

1000

1001

<para>

1002

Used swap

1003

</para>

1004

</listitem>

1005

1006

<para>

1007

Total swap

1008

</para>

1009

</listitem>

1010

</itemizedlist>

1011

1012

</sect2>

1013

1014

1015

<title>To Monitor Disk Space Usage</title>

1016

<para>

1017

To monitor disk space usage, select the <guilabel>Resource Monitor</guilabel> tab.

1018

</para>

1019

<para>

1020

<application>&app;</application> displays the disk space usage information in tabular format. From left to right, the <guilabel>Devices</guilabel> table displays the following columns:

1021

</para>

1022

1023

1024

1025

1026

<para>

1027

The name of the device.

1028

</para>

1029

</listitem>

1030

</varlistentry>

1031

1032

<term><guilabel>Directory</guilabel></term>

1033

1034

<para>

1035

The location of the device.

1036

</para>

1037

</listitem>

1038

</varlistentry>

1039

1040

1041

1042

<para>

1043

The type of the device.

1044

</para>

1045

</listitem>

1046

</varlistentry>

1047

1048

<term><guilabel>Total</guilabel></term>

1049

1050

<para>

1051

The total amount of disk space available on the device.

1052

</para>

1053

</listitem>

1054

</varlistentry>

1055

1056

1057

1058

<para>

1059

The amount of disk space currently used on the device, expressed in bytes and as a percentage.

1060

</para>

1061

</listitem>

1062

</varlistentry>

1063

</variablelist>

1064

</sect2>

1065

1066

1067

<title>To Customize the Resource Monitor Tabbed Section</title>

1068

<para>

1069

You can customize the <guilabel>Resource Monitor</guilabel> tabbed section in the following ways:

1070

</para>

1071

1072

1073

1074

</para>

1075

</listitem>

1076

1077

1078

</para>

1079

</listitem>

1080

1081

1082

</para>

1083

</listitem>

1084

1085

1086

</para>

1087

</listitem>

1088

</itemizedlist>

1089

1090

1091

<title>To Change the Background Color of Graphs</title>

1092

<para>

1093

To change the background color of the <application>&app;</application> graphs, perform the following steps:

1094

</para>

1095

1096

1097

<para>

1098

Choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Preferences</guimenuitem></menuchoice>. The <guilabel>Preferences</guilabel> dialog is displayed.

1099

</para>

1100

</listitem>

1101

1102

<para>

1103

Select the <guilabel>Resource Monitor</guilabel> tab in the <guilabel>Preferences</guilabel> dialog.

1104

</para>

1105

</listitem>

1106

1107

<para>

1108

Click on the <guilabel>Background color</guilabel> button. The <guilabel>Pick a color</guilabel> dialog is displayed.

1109

</para>

1110

</listitem>

1111

1112

<para>

1113

Choose a color from the <guilabel>Palette</guilabel>, or use the color wheel or the spin boxes to customize the color.

1114

</para>

1115

</listitem>

1116

1117

<para>

1118

Click <guibutton>OK</guibutton> to close the <guilabel>Pick a color</guilabel> dialog.

1119

</para>

1120

</listitem>

1121

1122

<para>

1123

Click <guibutton>Close</guibutton> to close the <guilabel>Preferences</guilabel> dialog.

1124

</para>

1125

</listitem>

1126

</orderedlist>

1127

</sect3>

1128

1129

1130

<title>To Change the Grid Color of Graphs</title>

1131

<para>

1132

To change the grid color of the <application>&app;</application> graphs, perform the following steps:

1133

</para>

1134

1135

1136

<para>

1137

Choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Preferences</guimenuitem></menuchoice>. The <guilabel>Preferences</guilabel> dialog is displayed.

1138

</para>

1139

</listitem>

1140

1141

<para>

1142

Select the <guilabel>Resource Monitor</guilabel> tab in the <guilabel>Preferences</guilabel> dialog.

1143

</para>

1144

</listitem>

1145

1146

<para>

1147

Click on the <guilabel>Grid color</guilabel> button. The <guilabel>Pick a color</guilabel> dialog is displayed.

1148

</para>

1149

</listitem>

1150

1151

<para>

1152

Choose a color from the <guilabel>Palette</guilabel>, or use the color wheel or the spin boxes to customize the color.

1153

</para>

1154

</listitem>

1155

1156

<para>

1157

Click <guibutton>OK</guibutton> to close the <guilabel>Pick a color</guilabel> dialog.

1158

</para>

1159

</listitem>

1160

1161

<para>

1162

Click <guibutton>Close</guibutton> to close the <guilabel>Preferences</guilabel> dialog.

1163

</para>

1164

</listitem>

1165

</orderedlist>

1166

</sect3>

1167

1168

1169

<title>To Change the Line Color of the CPU Graph</title>

1170

<para>

1171

To change the color of the line that represents CPU usage in the <guilabel>CPU History</guilabel> graph, perform the following steps:

1172

</para>

1173

1174

1175

<para>

1176

Select the <guilabel>Resource Monitor</guilabel> tab in the <guilabel>System Monitor</guilabel> window, to display the graphs and table that provide information about the usage of system resources.

1177

</para>

1178

</listitem>

1179

1180

<para>

1181

Click on the <guibutton>CPU</guibutton> color button. The <guilabel>Pick a color</guilabel> dialog is displayed.

1182

</para>

1183

</listitem>

1184

1185

<para>

1186

Choose a color from the <guilabel>Palette</guilabel>, or use the color wheel or the spin boxes to customize the color.

1187

</para>

1188

</listitem>

1189

1190

<para>

1191

Click <guibutton>OK</guibutton> to close the <guilabel>Pick a color</guilabel> dialog.

1192

</para>

1193

</listitem>

1194

</orderedlist>

1195

</sect3>

1196

1197

1198

<title>To Change the Line Colors of the Memory and Swap Graph</title>

1199

<para>

1200

To change the color of the lines that represent memory and swap usage in the graph, perform the following steps:

1201

</para>

1202

1203

1204

<para>

1205

Select the <guilabel>Resource Monitor</guilabel> tab in the <guilabel>System Monitor</guilabel> window, to display the graphs and table that provide information about the usage of system resources.

1206

</para>

1207

</listitem>

1208

1209

<para>

1210

Click on the <guibutton>Used memory</guibutton> or <guibutton>Used swap</guibutton> button. The <guilabel>Pick a color</guilabel> dialog is displayed.

1211

</para>

1212

</listitem>

1213

1214

<para>

1215

Choose a color from the <guilabel>Palette</guilabel>, or use the color wheel or the spin boxes to customize the color.

1216

</para>

1217

</listitem>

1218

1219

<para>

1220

Click <guibutton>OK</guibutton> to close the <guilabel>Pick a color</guilabel> dialog.

1221

</para>

1222

</listitem>

1223

</orderedlist>

1224

</sect3>

1225

1226

</sect2>

1227

1228

</sect1>

1229

1230

1231

<title>Preferences</title>

1232

<para>To configure <application>&app;</application>, choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Preferences</guimenuitem></menuchoice>. The <guilabel>Preferences</guilabel> dialog contains the following tabbed sections:

1233

</para>

1234

1235

1236

1237

</listitem>

1238

1239

1240

</listitem>

1241

</itemizedlist>

1242

1243

1244

<title>Process Listing</title>

1245

1246

1247

<term>

1248

<guilabel>Behavior</guilabel>

1249

</term>

1250

1251

1252

1253

<para>

1254

<guilabel>Update interval ... seconds</guilabel>

1255

</para>

1256

<para>

1257

Use this spin box to specify the interval at which you want to update the process list.

1258

</para>

1259

</listitem>

1260

1261

<para>

1262

<guilabel>Show warning dialog when ending or killing processes</guilabel>

1263

</para>

1264

<para>

1265

Select this option to display a confirmation alert when you end a process or terminate a process.

1266

</para>

1267

</listitem>

1268

1269

<para>

1270

<guilabel>Show warning dialog when hiding processes</guilabel>

1271

</para>

1272

<para>

1273

Select this option to display a confirmation alert when you hide a process.

1274

</para>

1275

</listitem>

1276

</itemizedlist>

1277

</listitem>

1278

</varlistentry>

1279

1280

<term>

1281

<guilabel>Process Fields</guilabel>

1282

</term>

1283

1284

<para>

1285

Use the following options to select which fields are displayed in the process list:

1286

</para>

1287

1288

1289

<para>

1290

<guilabel>Process Name</guilabel>

1291

</para>

1292

<para>

1293

Select this option to display the name of the process. This column may also contain an icon to indicate the application that is associated with the process.

1294

</para>

1295

</listitem>

1296

1297

<para>

1298

<guilabel>Arguments</guilabel>

1299

</para>

1300

<para>

1301

Select this option to display the name of the command, including arguments, that started the process.

1302

</para>

1303

</listitem>

1304

1305

<para>

1306

1307

</para>

1308

<para>

1309

Select this option to display the name of the user who owns the process.

1310

</para>

1311

</listitem>

1312

1313

<para>

1314

<guilabel>Status</guilabel>

1315

</para>

1316

<para>

1317

Select this option to display the current status of the process: sleeping or running.

1318

</para>

1319

</listitem>

1320

1321

<para>

1322

<guilabel>Memory</guilabel>

1323

</para>

1324

<para>

1325

Select this option to display the amount of system memory that is currently being used by the process.

1326

</para>

1327

</listitem>

1328

1329

<para>

1330

1331

</para>

1332

<para>

1333

Select this option to display the amount of virtual memory that is allocated to the process.

1334

</para>

1335

</listitem>

1336

1337

<para>

1338

<guilabel>Resident Memory</guilabel>

1339

</para>

1340

<para>

1341

Select this option to display the amount of physical memory that is allocated to the process.

1342

</para>

1343

</listitem>

1344

1345

<para>

1346

<guilabel>Shared Memory</guilabel>

1347

</para>

1348

<para>

1349

Select this option to display the amount of shared memory that is allocated to the process. Shared memory is memory that can be accessed by another process.

1350

</para>

1351

</listitem>

1352

1353

<para>

1354

<guilabel>RSS Memory</guilabel>

1355

</para>

1356

<para>

1357

Select this option to display the amount of physical memory, excluding swapped-out pages, that is used by the process.

1358

</para>

1359

</listitem>

1360

1361

<para>

1362

<guilabel>X Server Memory</guilabel>

1363

</para>

1364

<para>

1365

Select this option to display the amount of X server memory that is used by the process.

1366

</para>

1367

</listitem>

1368

1369

<para>

1370

1371

</para>

1372

<para>

1373

Select this option to display the percentage of CPU time currently being used by the process.

1374

</para>

1375

</listitem>

1376

1377

<para>

1378

1379

</para>

1380

<para>

1381

Select this option to display the nice value of the process. The nice value sets the priority of the process: the lower the nice value, the higher the priority.

1382

</para>

1383

</listitem>

1384

1385

<para>

1386

1387

</para>

1388

<para>

1389

Select this option to display the process identifier, also known as the pid. The pid is a number that uniquely identifies the process. You can use the pid to manipulate the process on the command line.

1390

</para>

1391

</listitem>

1392

</itemizedlist>

1393

</listitem>

1394

</varlistentry>

1395

</variablelist>

1396

</sect2>

1397

1398

1399

<title>Resource Monitor</title>

1400

1401

1402

<term><guilabel>Graphs</guilabel></term>

1403

1404

1405

1406

<para>

1407

<guilabel>Update interval ... seconds</guilabel>

1408

</para>

1409

<para>

1410

Use this spin box to specify how often you want to update the <application>&app;</application> graphs.

1411

</para>

1412

</listitem>

1413

1414

<para>

1415

<guilabel>Background color</guilabel>

1416

</para>

1417

<para>

1418

Use this button to customize the background color of the <application>&app;</application> graphs, as described in <xref linkend="gnome-system-monitor-customize-background"/>.

1419

</para>

1420

</listitem>

1421

1422

<para>

1423

<guilabel>Grid color</guilabel>

1424

</para>

1425

<para>

1426

Use this button to customize the grid color of the <application>&app;</application> graphs, as described in <xref linkend="gnome-system-monitor-customize-grid"/>.

1427

</para>

1428

</listitem>

1429

</itemizedlist>

1430

</listitem>

1431

</varlistentry>

1432

1433

<term><guilabel>Devices</guilabel></term>

1434

1435

1436

1437

<para>

1438

<guilabel>Update interval ... seconds</guilabel>

1439

</para>

1440

<para>

1441

Use this spin box to specify how often you want to update the <guilabel>Devices</guilabel> table.

1442

</para>

1443

</listitem>

1444

</itemizedlist>

1445

</listitem>

1446

</varlistentry>

1447

</variablelist>

1448

</sect2>

1449

1450

</sect1>

1451

1452

</article>

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