third_party/psutil/docs/index.html - Issue 6246123: Moving psutil to third_party. This is first step for Media Performance test project.

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Issue 6246123: Moving psutil to third_party. This is first step for Media Performance test project. (Closed) Base URL: http://git.chromium.org/git/chromium.git@trunk

Patch Set: modification based on code review's comments Created 9 years, 10 months ago

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	23 <h1><a name="Summary"></a>Summary<a href="#Summary" class="section_anchor"></a> </h1><p>psutil is a module providing an interface for retrieving information on running processes and system utilization (CPU, memory) in a portable way by usin g Python, implementing many functionalities offered by command line tools like < strong>ps</strong>, <strong>top</strong>, <strong>kill</strong> and Windows <str ong>task manager</strong>. </p><p>It currently supports <strong>Linux</strong>, <strong>OS X</strong>, <strong>FreeBSD</strong> and <strong>Windows</strong> wit h Python versions from <strong>2.4</strong> to <strong>3.1</strong> by using a u nique code base. </p><h1><a name="Example_usage"></a>Example usage<a href="#Exam ple_usage" class="section_anchor"></a></h1><h3><a name="process_management"></a> process management<a href="#process_management" class="section_anchor"></a></h3> <pre class="prettyprint">>>> import psutil

	24 >>> psutil.get_pid_list()

	25 [1, 2, 3, 4, 5, 6, 7, 46, 48, 50, 51, 178, 182, 222, 223, 224,

	26 268, 1215, 1216, 1220, 1221, 1243, 1244, 1301, 1601, 2237, 2355,

	27 2637, 2774, 3932, 4176, 4177, 4185, 4187, 4189, 4225, 4243, 4245,

	28 4263, 4282, 4306, 4311, 4312, 4313, 4314, 4337, 4339, 4357, 4358,

	29 4363, 4383, 4395, 4408, 4433, 4443, 4445, 4446, 5167, 5234, 5235,

	30 5252, 5318, 5424, 5644, 6987, 7054, 7055, 7071]

	31 >>> p = psutil.Process(7055)

	32 >>> p.name

	33 'python'

	34 >>> p.path

	35 '/usr/bin'

	36 >>> p.cmdline

	37 ['/usr/bin/python', '-O', 'run.py']

	38 >>> p.uid

	39 1000

	40 >>> p.gid

	41 1000

	42 >>> p.username

	43 'jake'

	44 >>> p.create_time

	45 1267551141.5019531

	46 >>> p.get_cpu_percent()

	47 12.31243

	48 >>> p.get_memory_percent()

	49 0.63423

	50 >>> rss, vms = p.get_memory_info()

	51 >>> "Resident memory: %s KB" %(rss / 1024)

	52 'Resident memory: 3768 KB'

	53 >>> "Virtual memory: %s KB" %(vms / 1024)

	54 'Virtual memory: 6176 KB'

	55 >>>

	56 >>> p.suspend()

	57 >>> p.resume()

	58 >>> psutil.test()

	59 UID PID %CPU %MEM VSZ RSS START TIME COMMAND

	60 0 0 0.0 0.0 0 0 00:12 00:00 [sched]

	61 0 1 0.0 0.3 1740 600 00:12 00:04 /sbin/init

	62 0 2 0.0 0.0 0 0 00:12 00:00 [kthreadd]

	63 0 3 0.0 0.0 0 0 00:12 00:00 [migration/0]

	64 ...

	65 0 13239 0.0 2.6 13604 1044 00:38 00:00 /usr/sbin/smbd -D

	66 1000 23648 0.0 2.4 12512 2008 14:43 00:06 sshd: user@pts/2

	67 1000 23649 0.0 1.2 5944 3340 14:43 00:00 -bash

	68 0 25926 0.0 1.1 5432 3072 17:55 00:00 -su

	69 0 28655 0.0 1.0 4932 3204 21:58 00:00 python _psutil.py

	70 >>></pre><h3><a name="System_monitoring_(CPU_and_memory)"></a>System mo nitoring (CPU and memory)<a href="#System_monitoring_(CPU_and_memory)" class="se ction_anchor"></a></h3><pre class="prettyprint">>>> import psutil, time

	71 >>> print psutil.cpu_times()

	72 softirq=50.87; iowait=39.63; system=1130.67; idle=164171.41; user=965.15; irq=7. 08; nice=0.0

	73 >>>

	74 >>> while 1:

	75 ... print round(psutil.cpu_percent(), 1)

	76 ... time.sleep(1)

	77 ...

	78 5.4

	79 3.2

	80 7.3

	81 7.1

	82 2.5

	83 Traceback (most recent call last):

	84 File "<stdin>", line 3, in <module>

	85 KeyboardInterrupt

	86 >>>

	87 >>> psutil.TOTAL_PHYMEM

	88 526458880

	89 >>> psutil.avail_phymem()

	90 153530368

	91 >>> psutil.total_virtmem()

	92 197365760

	93 >>> psutil.avail_virtmem()

	94 194277376</pre><h1><a name="Mailing_lists"></a>Mailing lists<a href="#Mailing_li sts" class="section_anchor"></a></h1><p><strong>Users</strong><br><a href="http: //groups.google.com/group/psutil/topics" rel="nofollow">http://groups.google.com /group/psutil/topics</a> </p><p><strong>Developers</strong><br><a href="http://g roups.google.com/group/psutil-dev/topics" rel="nofollow">http://groups.google.co m/group/psutil-dev/topics</a> </p><p><strong>SVN commits and issue tracker chang es</strong><br><a href="http://groups.google.com/group/psutil-commits/topics" re l="nofollow">http://groups.google.com/group/psutil-commits/topics</a> </p><h1><a name="Contribute"></a>Contribute<a href="#Contribute" class="section_anchor"></ a></h1><p>If you want to help or just give us suggestions about the project and other related things, subscribe to the <a href="http://groups.google.com/group/ psutil" rel="nofollow">discussion mailing list</a>. If you want to talk with pro ject team members about psutil and other related things feel free to contact us at the following addresses: </p><p><table><tr><td style="border: 1px solid #aaa; padding: 5px;"> <strong>Name</strong> </td><td style="border: 1px solid #aaa; p adding: 5px;"> <strong>Country</strong> </td><td style="border: 1px solid #aaa; padding: 5px;"> <strong>E-mail</strong> </td></tr> <tr><td style="border: 1px so lid #aaa; padding: 5px;"> Jay Loden </td><td style="border: 1px solid #aaa; padd ing: 5px;"> New Jersey (USA) </td><td style="border: 1px solid #aaa; padding: 5p x;"> jloden at gmail dot com </td></tr> <tr><td style="border: 1px solid #aaa; padding: 5px;"> Giampaolo Rodola' </td><td style="border: 1px solid #aaa; p adding: 5px;"> Turin (Italy) </td><td style="border: 1px solid #aaa; padding: 5p x;"> g.rodola at gmail dot com </td></tr> </table></p><p>Feedbacks and suggestio ns are greatly appreciated as well as new testers and coders willing to join the development.<br> For any bug report, patch proposal or feature request, add an entry into the <a href="http://code.google.com/p/psutil/issues/list" rel="nofoll ow">Issue Tracker</a>.<br> </p><p>Thank you. </p>

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