Symbian3/PDK/Source/GUID-2822DEF4-F7E2-5795-BD67-14BF77C1EB85.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Tue, 30 Mar 2010 11:56:28 +0100
changeset 5 f345bda72bc4
parent 3 46218c8b8afa
child 14 578be2adaf3e
permissions -rw-r--r--
Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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<?xml version="1.0" encoding="utf-8"?>
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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<!-- This component and the accompanying materials are made available under the terms of the License 
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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"Eclipse Public License v1.0" which accompanies this distribution, 
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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<!-- Initial Contributors:
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents: 3
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    Nokia Corporation - initial contribution.
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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parents: 3
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Contributors: 
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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parents: 3
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-->
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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<!DOCTYPE concept
f345bda72bc4 Week 12 contribution of PDK documentation_content. See release notes for details. Fixes Bug 2054, Bug 1583, Bug 381, Bug 390, Bug 463, Bug 1897, Bug 344, Bug 1319, Bug 394, Bug 1520, Bug 1522, Bug 1892"
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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25a17d01db0c Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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<concept xml:lang="en" id="GUID-2822DEF4-F7E2-5795-BD67-14BF77C1EB85"><title>ps</title><prolog><metadata><keywords/></metadata></prolog><conbody><p><userinput>ps [-fhsl] [-o]...</userinput> </p> <p>The <codeph>ps</codeph> command lists the details all the processes running on a system. By default, the following details are displayed for each process: </p> <ul><li id="GUID-FED78113-2C99-5022-A24D-3C6105E3036C"><p>Process ID </p> </li> <li id="GUID-8FC71FF6-C921-5AC2-B329-6B148D14146E"><p>Total execution time </p> </li> <li id="GUID-0BB887B0-4732-5BFD-94B2-8FCF2CCED800"><p>Process name </p> </li> </ul> <p> <b>Notes:</b>  </p> <ul><li id="GUID-4A81CC4F-A8C2-5833-A6A9-AAD83D834001"><p>Whenever data is not accessible to the <codeph>ps</codeph> command, a <b>?</b> symbol is displayed. </p> </li> <li id="GUID-F32CBB6C-E6AE-5AA8-BD01-8FF6FA6CA60D"><p>The total execution time is not listed on a Hardware Reference Platform (HRP) or a production device as the monitoring mechanism is optimised out of production ROMs. </p> </li> </ul> <p>The <codeph>ps</codeph> command supports the following options: </p> <table id="GUID-B7FC30FF-E6D2-5394-8F57-6EBEE2D43C93"><tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/><thead><row><entry>Option</entry> <entry>Description</entry> </row> </thead> <tbody><row><entry><p> <codeph>-f</codeph>  </p> </entry> <entry><p>Lists the details all the processes along with the following information for each process: </p> <ul><li id="GUID-1DADF78F-A392-5946-8E50-98890C896C60"><p>Process ID </p> </li> <li id="GUID-066CE9E2-23F2-51C8-A936-DA321DA7EF34"><p>Total execution time </p> </li> <li id="GUID-6744B988-EF19-5D93-A81F-D922729158C6"><p>Complete path of the executable used by the process </p> </li> </ul> </entry> </row> <row><entry><p> <codeph>-h</codeph>  </p> </entry> <entry><p>Displays help information for the <codeph>ps</codeph> command. </p> </entry> </row> <row><entry><p> <codeph>-s</codeph>  </p> </entry> <entry><p>Lists the names of the servers. </p> </entry> </row> <row><entry><p> <codeph>-l</codeph>  </p> </entry> <entry><p>Lists the details all the processes along with the following information for each process: </p> <ul><li id="GUID-3F6BDB4C-0ABC-5905-BE04-A7A2C2565140"><p>Status of the process </p> </li> <li id="GUID-06E1D31A-1F11-5CD9-8468-F1F46C70D295"><p>Process ID </p> </li> <li id="GUID-1E5CB2AD-C84F-5C78-8582-61A364815361"><p>Priority of the process </p> </li> <li id="GUID-28EEBEE8-77B6-5F3D-9391-B0C4085ECA20"><p>Address of the process </p> </li> <li id="GUID-3016385B-ABA7-5E58-A7AD-AE25F0B877C1"><p>Size of the process </p> </li> <li id="GUID-8DA900DF-BC28-55F8-AC86-B39CA4245439"><p>Total execution time </p> </li> <li id="GUID-CD62477C-3241-53C6-9790-C052D49F5DEB"><p>Name of the process </p> </li> </ul> </entry> </row> <row><entry><p> <codeph>-o</codeph>  </p> </entry> <entry><p>This option enables you to customise the column headers displayed when the details of all the processes are listed. The default column headers are <b>TIME</b>, <b>PID</b>, <b>COMMAND</b> (command arguments for the process), and <b>COMMAND</b> (complete path of the executable used by the process). You can customise these column headers by assigning a value for the following variables: </p> <ul><li id="GUID-5648EA03-FEFC-59B0-B2E5-B034751532BC"><p> <b>time (TIME):</b> Total execution time. </p> </li> <li id="GUID-6D8A79A4-8A6F-510C-8DFC-B78767B00B56"><p> <b>pid (PID):</b> Process ID. </p> </li> <li id="GUID-12AA284C-9B70-5298-9888-ADBC34059FD1"><p> <b>args (COMMAND):</b> Command arguments for the process. The Symbian version of the <codeph>ps</codeph> command does not list any command arguments for a process, instead the complete path of the executable used by the process is displayed within square brackets under the <b>comm</b> column. </p> </li> <li id="GUID-C40D8523-923B-500F-8B0A-750656084C86"><p> <b>comm (COMMAND):</b> Complete path of the executable used by the process. </p> </li> </ul> <p> <b>Examples:</b>  </p> <ul><li id="GUID-8DE4314C-EEFF-5BF9-8E03-5EAC57DCB355"><p>To assign <b>Total Execution Time</b> as column header instead of <b>TIME</b> (the default value), use the following command: </p> <p><userinput>ps -o "time=Total Execution Time"</userinput> </p> <p> <b>Note:</b> You can use a comma (,) to specify multiple values using the <codeph>-o</codeph> option. </p> </li> <li id="GUID-7E2AC6F1-5329-5BDC-BFBA-48AE571C38EE"><p>To view the details of the processes with their default column headers, use the following command: </p> <p><userinput>ps -o comm,time,args,pid</userinput> </p> </li> <li id="GUID-20F0B32A-A757-5699-857F-440B8257326D"><p>To view the details of the processes with their complete path and assign <b>Exec Time</b> as column header for <b>TIME</b>, use the following command: </p> <p><userinput>ps -o comm, time=Exec Time</userinput> </p> </li> </ul> </entry> </row> </tbody> </tgroup> </table> <p>The following table describes the default column headers used be the <codeph>ps</codeph> command: </p> <table id="GUID-367EE044-500B-5062-BCD4-9D076810288E"><tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/><thead><row><entry>Column Header</entry> <entry>Description</entry> </row> </thead> <tbody><row><entry><p>S</p> </entry> <entry><p>Describes the state of the process. The only state supported by Symbian is <b>Running</b>. </p> </entry> </row> <row><entry><p>PID </p> </entry> <entry><p>Indicates the process ID of the process. </p> </entry> </row> <row><entry><p>PRI </p> </entry> <entry><p>Indicates the priority of the process. When the state of the process is suffixed by <b>&lt;</b> it indicates that the process is of high priority. Otherwise, when the status is suffixed by <b>N</b> it indicates that the process is of low priority. </p> </entry> </row> <row><entry><p>ADDR </p> </entry> <entry><p>Indicates the memory address of the process. </p> </entry> </row> <row><entry><p>SZ </p> </entry> <entry><p>The size in blocks of the core image of the process. (1 block = 512 bytes). </p> </entry> </row> <row><entry><p>TIME </p> </entry> <entry><p>The total execution time for the process. This is displayed in the following format: </p> <p> <codeph>[dd-]hh:mm:ss</codeph>  </p> <ul><li id="GUID-DD3E2AEC-742B-594F-8C11-9A82B13B6171"><p> <b>dd:</b> Days </p> </li> <li id="GUID-D2AF0252-CB01-5204-BCC4-548A0DC9B60F"><p> <b>hh:</b> Hours </p> </li> <li id="GUID-977B3E67-569A-5635-B513-7D19A642460F"><p> <b>mm:</b> Minutes </p> </li> <li id="GUID-D7CA229C-AADC-5CB2-986A-C5ADAB04C505"><p> <b>ss:</b> Seconds </p> </li> </ul> </entry> </row> <row><entry><p>CMD </p> </entry> <entry><p>Indicates the command name (complete path of the executable used by the process). The complete path is displayed when you use the <codeph>-f</codeph> option. </p> </entry> </row> </tbody> </tgroup> </table> </conbody></concept>