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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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+.. image:: https://img.shields.io/pypi/dm/psutil.svg
+ :target: https://pypi.python.org/pypi/psutil#downloads
+ :alt: Downloads this month
+
+.. image:: https://api.travis-ci.org/giampaolo/psutil.png?branch=master
+ :target: https://travis-ci.org/giampaolo/psutil
+ :alt: Linux tests (Travis)
+
+.. image:: https://ci.appveyor.com/api/projects/status/qdwvw7v1t915ywr5/branch/master?svg=true
+ :target: https://ci.appveyor.com/project/giampaolo/psutil
+ :alt: Windows tests (Appveyor)
+
+.. image:: https://coveralls.io/repos/giampaolo/psutil/badge.svg?branch=master&service=github
+ :target: https://coveralls.io/github/giampaolo/psutil?branch=master
+ :alt: Test coverage (coverall.io)
+
+.. image:: https://img.shields.io/pypi/v/psutil.svg
+ :target: https://pypi.python.org/pypi/psutil/
+ :alt: Latest version
+
+.. image:: https://img.shields.io/github/stars/giampaolo/psutil.svg
+ :target: https://github.com/giampaolo/psutil/
+ :alt: Github stars
+
+.. image:: https://img.shields.io/scrutinizer/g/giampaolo/psutil.svg
+ :target: https://scrutinizer-ci.com/g/giampaolo/psutil/
+ :alt: Code quality (scrutinizer-ci.com)
+
+.. image:: https://img.shields.io/pypi/l/psutil.svg
+ :target: https://pypi.python.org/pypi/psutil/
+ :alt: License
+
+===========
+Quick links
+===========
+
+- `Home page <https://github.com/giampaolo/psutil>`_
+- `Documentation <http://pythonhosted.org/psutil/>`_
+- `Installation <https://github.com/giampaolo/psutil/blob/master/INSTALL.rst>`_
+- `Download <https://pypi.python.org/pypi?:action=display&name=psutil#downloads>`_
+- `Forum <http://groups.google.com/group/psutil/topics>`_
+- `Blog <http://grodola.blogspot.com/search/label/psutil>`_
+- `Development guide <https://github.com/giampaolo/psutil/blob/master/DEVGUIDE.rst>`_
+- `What's new <https://github.com/giampaolo/psutil/blob/master/HISTORY.rst>`_
+
+=======
+Summary
+=======
+
+psutil (python system and process utilities) is a cross-platform library for
+retrieving information on **running processes** and **system utilization**
+(CPU, memory, disks, network) in Python. It is useful mainly for **system
+monitoring**, **profiling and limiting process resources** and **management of
+running processes**. It implements many functionalities offered by command line
+tools such as: ps, top, lsof, netstat, ifconfig, who, df, kill, free, nice,
+ionice, iostat, iotop, uptime, pidof, tty, taskset, pmap. It currently supports
+**Linux, Windows, OSX, FreeBSD** and **Sun Solaris**, both **32-bit** and
+**64-bit** architectures, with Python versions from **2.6 to 3.5** (users of
+Python 2.4 and 2.5 may use `2.1.3 <https://pypi.python.org/pypi?name=psutil&version=2.1.3&:action=files>`__ version).
+`PyPy <http://pypy.org/>`__ is also known to work.
+
+====================
+Example applications
+====================
+
+.. image:: http://psutil.googlecode.com/svn/wiki/images/top-thumb.png
+ :target: http://psutil.googlecode.com/svn/wiki/images/top.png
+ :alt: top
+
+.. image:: http://psutil.googlecode.com/svn/wiki/images/nettop-thumb.png
+ :target: http://psutil.googlecode.com/svn/wiki/images/nettop.png
+ :alt: nettop
+
+.. image:: http://psutil.googlecode.com/svn/wiki/images/iotop-thumb.png
+ :target: http://psutil.googlecode.com/svn/wiki/images/iotop.png
+ :alt: iotop
+
+See also:
+
+ * https://github.com/nicolargo/glances
+ * https://github.com/google/grr
+ * https://github.com/Jahaja/psdash
+
+==============
+Example usages
+==============
+
+CPU
+===
+
+.. code-block:: python
+
+ >>> import psutil
+ >>> psutil.cpu_times()
+ scputimes(user=3961.46, nice=169.729, system=2150.659, idle=16900.540, iowait=629.59, irq=0.0, softirq=19.42, steal=0.0, guest=0, nice=0.0)
+ >>>
+ >>> for x in range(3):
+ ... psutil.cpu_percent(interval=1)
+ ...
+ 4.0
+ 5.9
+ 3.8
+ >>>
+ >>> for x in range(3):
+ ... psutil.cpu_percent(interval=1, percpu=True)
+ ...
+ [4.0, 6.9, 3.7, 9.2]
+ [7.0, 8.5, 2.4, 2.1]
+ [1.2, 9.0, 9.9, 7.2]
+ >>>
+ >>>
+ >>> for x in range(3):
+ ... psutil.cpu_times_percent(interval=1, percpu=False)
+ ...
+ scputimes(user=1.5, nice=0.0, system=0.5, idle=96.5, iowait=1.5, irq=0.0, softirq=0.0, steal=0.0, guest=0.0, guest_nice=0.0)
+ scputimes(user=1.0, nice=0.0, system=0.0, idle=99.0, iowait=0.0, irq=0.0, softirq=0.0, steal=0.0, guest=0.0, guest_nice=0.0)
+ scputimes(user=2.0, nice=0.0, system=0.0, idle=98.0, iowait=0.0, irq=0.0, softirq=0.0, steal=0.0, guest=0.0, guest_nice=0.0)
+ >>>
+ >>> psutil.cpu_count()
+ 4
+ >>> psutil.cpu_count(logical=False)
+ 2
+ >>>
+
+Memory
+======
+
+.. code-block:: python
+
+ >>> psutil.virtual_memory()
+ svmem(total=8374149120, available=2081050624, percent=75.1, used=8074080256, free=300068864, active=3294920704, inactive=1361616896, buffers=529895424, cached=1251086336)
+ >>> psutil.swap_memory()
+ sswap(total=2097147904, used=296128512, free=1801019392, percent=14.1, sin=304193536, sout=677842944)
+ >>>
+
+Disks
+=====
+
+.. code-block:: python
+
+ >>> psutil.disk_partitions()
+ [sdiskpart(device='/dev/sda1', mountpoint='/', fstype='ext4', opts='rw,nosuid'),
+ sdiskpart(device='/dev/sda2', mountpoint='/home', fstype='ext, opts='rw')]
+ >>>
+ >>> psutil.disk_usage('/')
+ sdiskusage(total=21378641920, used=4809781248, free=15482871808, percent=22.5)
+ >>>
+ >>> psutil.disk_io_counters(perdisk=False)
+ sdiskio(read_count=719566, write_count=1082197, read_bytes=18626220032, write_bytes=24081764352, read_time=5023392, write_time=63199568)
+ >>>
+
+Network
+=======
+
+.. code-block:: python
+
+ >>> psutil.net_io_counters(pernic=True)
+ {'eth0': netio(bytes_sent=485291293, bytes_recv=6004858642, packets_sent=3251564, packets_recv=4787798, errin=0, errout=0, dropin=0, dropout=0),
+ 'lo': netio(bytes_sent=2838627, bytes_recv=2838627, packets_sent=30567, packets_recv=30567, errin=0, errout=0, dropin=0, dropout=0)}
+ >>>
+ >>> psutil.net_connections()
+ [pconn(fd=115, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=('10.0.0.1', 48776), raddr=('93.186.135.91', 80), status='ESTABLISHED', pid=1254),
+ pconn(fd=117, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=('10.0.0.1', 43761), raddr=('72.14.234.100', 80), status='CLOSING', pid=2987),
+ pconn(fd=-1, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=('10.0.0.1', 60759), raddr=('72.14.234.104', 80), status='ESTABLISHED', pid=None),
+ pconn(fd=-1, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=('10.0.0.1', 51314), raddr=('72.14.234.83', 443), status='SYN_SENT', pid=None)
+ ...]
+ >>>
+ >>> psutil.net_if_addrs()
+ {'lo': [snic(family=<AddressFamily.AF_INET: 2>, address='127.0.0.1', netmask='255.0.0.0', broadcast='127.0.0.1'),
+ snic(family=<AddressFamily.AF_INET6: 10>, address='::1', netmask='ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff', broadcast=None),
+ snic(family=<AddressFamily.AF_LINK: 17>, address='00:00:00:00:00:00', netmask=None, broadcast='00:00:00:00:00:00')],
+ 'wlan0': [snic(family=<AddressFamily.AF_INET: 2>, address='192.168.1.3', netmask='255.255.255.0', broadcast='192.168.1.255'),
+ snic(family=<AddressFamily.AF_INET6: 10>, address='fe80::c685:8ff:fe45:641%wlan0', netmask='ffff:ffff:ffff:ffff::', broadcast=None),
+ snic(family=<AddressFamily.AF_LINK: 17>, address='c4:85:08:45:06:41', netmask=None, broadcast='ff:ff:ff:ff:ff:ff')]}
+ >>>
+ >>> psutil.net_if_stats()
+ {'eth0': snicstats(isup=True, duplex=<NicDuplex.NIC_DUPLEX_FULL: 2>, speed=100, mtu=1500),
+ 'lo': snicstats(isup=True, duplex=<NicDuplex.NIC_DUPLEX_UNKNOWN: 0>, speed=0, mtu=65536)}
+
+Other system info
+=================
+
+.. code-block:: python
+
+ >>> psutil.users()
+ [user(name='giampaolo', terminal='pts/2', host='localhost', started=1340737536.0),
+ user(name='giampaolo', terminal='pts/3', host='localhost', started=1340737792.0)]
+ >>>
+ >>> psutil.boot_time()
+ 1365519115.0
+ >>>
+
+Process management
+==================
+
+.. code-block:: python
+
+ >>> import psutil
+ >>> psutil.pids()
+ [1, 2, 3, 4, 5, 6, 7, 46, 48, 50, 51, 178, 182, 222, 223, 224,
+ 268, 1215, 1216, 1220, 1221, 1243, 1244, 1301, 1601, 2237, 2355,
+ 2637, 2774, 3932, 4176, 4177, 4185, 4187, 4189, 4225, 4243, 4245,
+ 4263, 4282, 4306, 4311, 4312, 4313, 4314, 4337, 4339, 4357, 4358,
+ 4363, 4383, 4395, 4408, 4433, 4443, 4445, 4446, 5167, 5234, 5235,
+ 5252, 5318, 5424, 5644, 6987, 7054, 7055, 7071]
+ >>>
+ >>> p = psutil.Process(7055)
+ >>> p.name()
+ 'python'
+ >>> p.exe()
+ '/usr/bin/python'
+ >>> p.cwd()
+ '/home/giampaolo'
+ >>> p.cmdline()
+ ['/usr/bin/python', 'main.py']
+ >>>
+ >>> p.status()
+ 'running'
+ >>> p.username()
+ 'giampaolo'
+ >>> p.create_time()
+ 1267551141.5019531
+ >>> p.terminal()
+ '/dev/pts/0'
+ >>>
+ >>> p.uids()
+ puids(real=1000, effective=1000, saved=1000)
+ >>> p.gids()
+ pgids(real=1000, effective=1000, saved=1000)
+ >>>
+ >>> p.cpu_times()
+ pcputimes(user=1.02, system=0.31)
+ >>> p.cpu_percent(interval=1.0)
+ 12.1
+ >>> p.cpu_affinity()
+ [0, 1, 2, 3]
+ >>> p.cpu_affinity([0]) # set
+ >>>
+ >>> p.memory_percent()
+ 0.63423
+ >>>
+ >>> p.memory_info()
+ pmem(rss=7471104, vms=68513792)
+ >>> p.memory_info_ex()
+ extmem(rss=9662464, vms=49192960, shared=3612672, text=2564096, lib=0, data=5754880, dirty=0)
+ >>> p.memory_maps()
+ [pmmap_grouped(path='/lib/x86_64-linux-gnu/libutil-2.15.so', rss=16384, anonymous=8192, swap=0),
+ pmmap_grouped(path='/lib/x86_64-linux-gnu/libc-2.15.so', rss=6384, anonymous=15, swap=0),
+ pmmap_grouped(path='/lib/x86_64-linux-gnu/libcrypto.so.1.0.0', rss=34124, anonymous=1245, swap=0),
+ pmmap_grouped(path='[heap]', rss=54653, anonymous=8192, swap=0),
+ pmmap_grouped(path='[stack]', rss=1542, anonymous=166, swap=0),
+ ...]
+ >>>
+ >>> p.io_counters()
+ pio(read_count=478001, write_count=59371, read_bytes=700416, write_bytes=69632)
+ >>>
+ >>> p.open_files()
+ [popenfile(path='/home/giampaolo/svn/psutil/somefile', fd=3)]
+ >>>
+ >>> p.connections()
+ [pconn(fd=115, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=('10.0.0.1', 48776), raddr=('93.186.135.91', 80), status='ESTABLISHED'),
+ pconn(fd=117, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=('10.0.0.1', 43761), raddr=('72.14.234.100', 80), status='CLOSING'),
+ pconn(fd=119, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=('10.0.0.1', 60759), raddr=('72.14.234.104', 80), status='ESTABLISHED'),
+ pconn(fd=123, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=('10.0.0.1', 51314), raddr=('72.14.234.83', 443), status='SYN_SENT')]
+ >>>
+ >>> p.num_threads()
+ 4
+ >>> p.num_fds()
+ 8
+ >>> p.threads()
+ [pthread(id=5234, user_time=22.5, system_time=9.2891),
+ pthread(id=5235, user_time=0.0, system_time=0.0),
+ pthread(id=5236, user_time=0.0, system_time=0.0),
+ pthread(id=5237, user_time=0.0707, system_time=1.1)]
+ >>>
+ >>> p.num_ctx_switches()
+ pctxsw(voluntary=78, involuntary=19)
+ >>>
+ >>> p.nice()
+ 0
+ >>> p.nice(10) # set
+ >>>
+ >>> p.ionice(psutil.IOPRIO_CLASS_IDLE) # IO priority (Win and Linux only)
+ >>> p.ionice()
+ pionice(ioclass=<IOPriority.IOPRIO_CLASS_IDLE: 3>, value=0)
+ >>>
+ >>> p.rlimit(psutil.RLIMIT_NOFILE, (5, 5)) # set resource limits (Linux only)
+ >>> p.rlimit(psutil.RLIMIT_NOFILE)
+ (5, 5)
+ >>>
+ >>> p.suspend()
+ >>> p.resume()
+ >>>
+ >>> p.terminate()
+ >>> p.wait(timeout=3)
+ 0
+ >>>
+ >>> psutil.test()
+ USER PID %CPU %MEM VSZ RSS TTY START TIME COMMAND
+ root 1 0.0 0.0 24584 2240 Jun17 00:00 init
+ root 2 0.0 0.0 0 0 Jun17 00:00 kthreadd
+ root 3 0.0 0.0 0 0 Jun17 00:05 ksoftirqd/0
+ ...
+ giampaolo 31475 0.0 0.0 20760 3024 /dev/pts/0 Jun19 00:00 python2.4
+ giampaolo 31721 0.0 2.2 773060 181896 00:04 10:30 chrome
+ root 31763 0.0 0.0 0 0 00:05 00:00 kworker/0:1
+ >>>
+
+Further process APIs
+====================
+
+.. code-block:: python
+
+ >>> for p in psutil.process_iter():
+ ... print(p)
+ ...
+ psutil.Process(pid=1, name='init')
+ psutil.Process(pid=2, name='kthreadd')
+ psutil.Process(pid=3, name='ksoftirqd/0')
+ ...
+ >>>
+ >>> def on_terminate(proc):
+ ... print("process {} terminated".format(proc))
+ ...
+ >>> # waits for multiple processes to terminate
+ >>> gone, alive = psutil.wait_procs(procs_list, 3, callback=on_terminate)
+ >>>
+
+======
+Donate
+======
+
+A lot of time and effort went into making psutil as it is right now.
+If you feel psutil is useful to you or your business and want to support its future development please consider donating me (`Giampaolo Rodola' <http://grodola.blogspot.com/p/about.html>`_) some money.
+I only ask for a small donation, but of course I appreciate any amount.
+
+.. image:: http://www.paypal.com/en_US/i/btn/x-click-but04.gif
+ :target: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A9ZS7PKKRM3S8
+ :alt: Donate via PayPal
+
+Don't want to donate money? Then maybe you could `write me a recommendation on Linkedin <http://www.linkedin.com/in/grodola>`_.
+
+============
+Mailing list
+============
+
+http://groups.google.com/group/psutil/
+
+========
+Timeline
+========
+
+- 2015-07-15: `psutil-3.1.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-3.1.1.tar.gz>`_
+- 2015-07-15: `psutil-3.1.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-3.1.0.tar.gz>`_
+- 2015-06-18: `psutil-3.0.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-3.0.1.tar.gz>`_
+- 2015-06-13: `psutil-3.0.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-3.0.0.tar.gz>`_
+- 2015-02-02: `psutil-2.2.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-2.2.1.tar.gz>`_
+- 2015-01-06: `psutil-2.2.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-2.2.0.tar.gz>`_
+- 2014-09-26: `psutil-2.1.3.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-2.1.3.tar.gz>`_
+- 2014-09-21: `psutil-2.1.2.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-2.1.2.tar.gz>`_
+- 2014-04-30: `psutil-2.1.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-2.1.1.tar.gz>`_
+- 2014-04-08: `psutil-2.1.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-2.1.0.tar.gz>`_
+- 2014-03-10: `psutil-2.0.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-2.0.0.tar.gz>`_
+- 2013-11-25: `psutil-1.2.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-1.2.1.tar.gz>`_
+- 2013-11-20: `psutil-1.2.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-1.2.0.tar.gz>`_
+- 2013-11-07: `psutil-1.1.3.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-1.1.3.tar.gz>`_
+- 2013-10-22: `psutil-1.1.2.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-1.1.2.tar.gz>`_
+- 2013-10-08: `psutil-1.1.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-1.1.1.tar.gz>`_
+- 2013-09-28: `psutil-1.1.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-1.1.0.tar.gz>`_
+- 2013-07-12: `psutil-1.0.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-1.0.1.tar.gz>`_
+- 2013-07-10: `psutil-1.0.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-1.0.0.tar.gz>`_
+- 2013-05-03: `psutil-0.7.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.7.1.tar.gz>`_
+- 2013-04-12: `psutil-0.7.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.7.0.tar.gz>`_
+- 2012-08-16: `psutil-0.6.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.6.1.tar.gz>`_
+- 2012-08-13: `psutil-0.6.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.6.0.tar.gz>`_
+- 2012-06-29: `psutil-0.5.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.5.1.tar.gz>`_
+- 2012-06-27: `psutil-0.5.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.5.0.tar.gz>`_
+- 2011-12-14: `psutil-0.4.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.4.1.tar.gz>`_
+- 2011-10-29: `psutil-0.4.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.4.0.tar.gz>`_
+- 2011-07-08: `psutil-0.3.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.3.0.tar.gz>`_
+- 2011-03-20: `psutil-0.2.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.2.1.tar.gz>`_
+- 2010-11-13: `psutil-0.2.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.2.0.tar.gz>`_
+- 2010-03-02: `psutil-0.1.3.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.1.3.tar.gz>`_
+- 2009-05-06: `psutil-0.1.2.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.1.2.tar.gz>`_
+- 2009-03-06: `psutil-0.1.1.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.1.1.tar.gz>`_
+- 2009-01-27: `psutil-0.1.0.tar.gz <https://pypi.python.org/packages/source/p/psutil/psutil-0.1.0.tar.gz>`_