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| |downloads| |stars| |forks| |contributors| |coverage| |quality| | |version| |py-versions| |packages| |license| | |travis| |appveyor| |doc| |twitter| |tidelift| .. |downloads| image:: https://img.shields.io/pypi/dm/psutil.svg :target: https://pepy.tech/project/psutil :alt: Downloads .. |stars| image:: https://img.shields.io/github/stars/giampaolo/psutil.svg :target: https://github.com/giampaolo/psutil/stargazers :alt: Github stars .. |forks| image:: https://img.shields.io/github/forks/giampaolo/psutil.svg :target: https://github.com/giampaolo/psutil/network/members :alt: Github forks .. |contributors| image:: https://img.shields.io/github/contributors/giampaolo/psutil.svg :target: https://github.com/giampaolo/psutil/graphs/contributors :alt: Contributors .. |quality| image:: https://img.shields.io/codacy/grade/ce63e7f7f69d44b5b59682196e6fbfca.svg :target: https://www.codacy.com/app/g-rodola/psutil?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=giampaolo/psutil&amp;utm_campaign=Badge_Grade :alt: Code quality .. |travis| image:: https://img.shields.io/travis/giampaolo/psutil/master.svg?maxAge=3600&label=linux%20/%20osx :target: https://travis-ci.org/giampaolo/psutil :alt: Linux tests (Travis) .. |appveyor| image:: https://img.shields.io/appveyor/ci/giampaolo/psutil/master.svg?maxAge=3600&label=windows :target: https://ci.appveyor.com/project/giampaolo/psutil :alt: Windows tests (Appveyor) .. |coverage| image:: https://img.shields.io/coveralls/github/giampaolo/psutil.svg?label=test%20coverage :target: https://coveralls.io/github/giampaolo/psutil?branch=master :alt: Test coverage (coverall.io) .. |doc| image:: https://readthedocs.org/projects/psutil/badge/?version=latest :target: http://psutil.readthedocs.io/en/latest/?badge=latest :alt: Documentation Status .. |version| image:: https://img.shields.io/pypi/v/psutil.svg?label=pypi :target: https://pypi.org/project/psutil :alt: Latest version .. |py-versions| image:: https://img.shields.io/pypi/pyversions/psutil.svg :target: https://pypi.org/project/psutil :alt: Supported Python versions .. |packages| image:: https://repology.org/badge/tiny-repos/python:psutil.svg :target: https://repology.org/metapackage/python:psutil/versions :alt: Binary packages .. |license| image:: https://img.shields.io/pypi/l/psutil.svg :target: https://github.com/giampaolo/psutil/blob/master/LICENSE :alt: License .. |twitter| image:: https://img.shields.io/twitter/follow/grodola.svg?label=follow&style=flat&logo=twitter&logoColor=4FADFF :target: https://twitter.com/grodola :alt: Twitter Follow .. |tidelift| image:: https://tidelift.com/badges/github/giampaolo/psutil?style=flat :target: https://tidelift.com/subscription/pkg/pypi-psutil?utm_source=pypi-psutil&utm_medium=referral&utm_campaign=readme :alt: Tidelift ----- Quick links =========== - `Home page <https://github.com/giampaolo/psutil>`_ - `Install <https://github.com/giampaolo/psutil/blob/master/INSTALL.rst>`_ - `Documentation <http://psutil.readthedocs.io>`_ - `Download <https://pypi.org/project/psutil/#files>`_ - `Forum <http://groups.google.com/group/psutil/topics>`_ - `StackOverflow <https://stackoverflow.com/questions/tagged/psutil>`_ - `Blog <http://grodola.blogspot.com/search/label/psutil>`_ - `Development guide <https://github.com/giampaolo/psutil/blob/master/docs/DEVGUIDE.rst>`_ - `What's new <https://github.com/giampaolo/psutil/blob/master/HISTORY.rst>`_ Summary ======= psutil (process and system utilities) is a cross-platform library for retrieving information on **running processes** and **system utilization** (CPU, memory, disks, network, sensors) 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 classic UNIX command line tools such as *ps, top, iotop, lsof, netstat, ifconfig, free* and others. psutil currently supports the following platforms: - **Linux** - **Windows** - **macOS** - **FreeBSD, OpenBSD**, **NetBSD** - **Sun Solaris** - **AIX** ...both **32-bit** and **64-bit** architectures. Supported Python versions are **2.6**, **2.7** and **3.4+**. `PyPy <http://pypy.org/>`__ is also known to work. Professional support ==================== .. |tideliftlogo| image:: https://nedbatchelder.com/pix/Tidelift_Logos_RGB_Tidelift_Shorthand_On-White_small.png :width: 100 :alt: Tidelift :target: https://tidelift.com/subscription/pkg/pypi-psutil?utm_source=pypi-psutil&utm_medium=referral&utm_campaign=readme .. list-table:: :widths: 10 100 * - |tideliftlogo| - Professional support for psutil is available as part of the `Tidelift Subscription`_. Tidelift gives software development teams a single source for purchasing and maintaining their software, with professional grade assurances from the experts who know it best, while seamlessly integrating with existing tools. By subscribing you will help me (`Giampaolo Rodola`_) support psutil future development. Alternatively consider making a small `donation`_. Security ======== To report a security vulnerability, please use the `Tidelift security contact`_. Tidelift will coordinate the fix and disclosure. Example applications ==================== +------------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------+ | .. image:: https://github.com/giampaolo/psutil/blob/master/docs/_static/procinfo-small.png | .. image:: https://github.com/giampaolo/psutil/blob/master/docs/_static/top-small.png | | :target: https://github.com/giampaolo/psutil/blob/master/docs/_static/procinfo.png | :target: https://github.com/giampaolo/psutil/blob/master/docs/_static/top.png | +------------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------+ | .. image:: https://github.com/giampaolo/psutil/blob/master/docs/_static/procsmem-small.png | .. image:: https://github.com/giampaolo/psutil/blob/master/docs/_static/pmap-small.png | | :target: https://github.com/giampaolo/psutil/blob/master/docs/_static/procsmem.png | :target: https://github.com/giampaolo/psutil/blob/master/docs/_static/pmap.png | +------------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------+ Also see `scripts directory <https://github.com/giampaolo/psutil/tree/master/scripts>`__ and `doc recipes <http://psutil.readthedocs.io/#recipes/>`__. Projects using psutil ===================== psutil has roughly the following monthly downloads: .. image:: https://img.shields.io/pypi/dm/psutil.svg :target: https://pepy.tech/project/psutil :alt: Downloads There are over `10.000 open source projects <https://libraries.io/pypi/psutil/dependent_repositories?page=1>`__ on github which depend from psutil. Here's some I find particularly interesting: - https://github.com/google/grr - https://github.com/facebook/osquery/ - https://github.com/nicolargo/glances - https://github.com/Jahaja/psdash - https://github.com/ajenti/ajenti - https://github.com/home-assistant/home-assistant/ Portings ======== - Go: https://github.com/shirou/gopsutil - C: https://github.com/hamon-in/cpslib - Node: https://github.com/christkv/node-psutil - Rust: https://github.com/borntyping/rust-psutil - Ruby: https://github.com/spacewander/posixpsutil - Nim: https://github.com/johnscillieri/psutil-nim Example usages ============== This represents pretty much the whole psutil API. 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 >>> >>> psutil.cpu_stats() scpustats(ctx_switches=20455687, interrupts=6598984, soft_interrupts=2134212, syscalls=0) >>> >>> psutil.cpu_freq() scpufreq(current=931.42925, min=800.0, max=3500.0) >>> >>> psutil.getloadavg() # also on Windows (emulated) (3.14, 3.89, 4.67) Memory ------ .. code-block:: python >>> psutil.virtual_memory() svmem(total=10367352832, available=6472179712, percent=37.6, used=8186245120, free=2181107712, active=4748992512, inactive=2758115328, buffers=790724608, cached=3500347392, shared=787554304) >>> 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, read_merged_count=619166, write_merged_count=812396, busy_time=4523412) >>> 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() [sconn(fd=115, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=addr(ip='10.0.0.1', port=48776), raddr=addr(ip='93.186.135.91', port=80), status='ESTABLISHED', pid=1254), sconn(fd=117, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=addr(ip='10.0.0.1', port=43761), raddr=addr(ip='72.14.234.100', port=80), status='CLOSING', pid=2987), ...] >>> >>> psutil.net_if_addrs() {'lo': [snicaddr(family=<AddressFamily.AF_INET: 2>, address='127.0.0.1', netmask='255.0.0.0', broadcast='127.0.0.1', ptp=None), snicaddr(family=<AddressFamily.AF_INET6: 10>, address='::1', netmask='ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff', broadcast=None, ptp=None), snicaddr(family=<AddressFamily.AF_LINK: 17>, address='00:00:00:00:00:00', netmask=None, broadcast='00:00:00:00:00:00', ptp=None)], 'wlan0': [snicaddr(family=<AddressFamily.AF_INET: 2>, address='192.168.1.3', netmask='255.255.255.0', broadcast='192.168.1.255', ptp=None), snicaddr(family=<AddressFamily.AF_INET6: 10>, address='fe80::c685:8ff:fe45:641%wlan0', netmask='ffff:ffff:ffff:ffff::', broadcast=None, ptp=None), snicaddr(family=<AddressFamily.AF_LINK: 17>, address='c4:85:08:45:06:41', netmask=None, broadcast='ff:ff:ff:ff:ff:ff', ptp=None)]} >>> >>> psutil.net_if_stats() {'lo': snicstats(isup=True, duplex=<NicDuplex.NIC_DUPLEX_UNKNOWN: 0>, speed=0, mtu=65536), 'wlan0': snicstats(isup=True, duplex=<NicDuplex.NIC_DUPLEX_FULL: 2>, speed=100, mtu=1500)} >>> Sensors ------- .. code-block:: python >>> import psutil >>> psutil.sensors_temperatures() {'acpitz': [shwtemp(label='', current=47.0, high=103.0, critical=103.0)], 'asus': [shwtemp(label='', current=47.0, high=None, critical=None)], 'coretemp': [shwtemp(label='Physical id 0', current=52.0, high=100.0, critical=100.0), shwtemp(label='Core 0', current=45.0, high=100.0, critical=100.0)]} >>> >>> psutil.sensors_fans() {'asus': [sfan(label='cpu_fan', current=3200)]} >>> >>> psutil.sensors_battery() sbattery(percent=93, secsleft=16628, power_plugged=False) >>> Other system info ----------------- .. code-block:: python >>> import psutil >>> psutil.users() [suser(name='giampaolo', terminal='pts/2', host='localhost', started=1340737536.0, pid=1352), suser(name='giampaolo', terminal='pts/3', host='localhost', started=1340737792.0, pid=1788)] >>> >>> 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 psutil.Process(pid=7055, name='python', started='09:04:44') >>> p.name() 'python' >>> p.exe() '/usr/bin/python' >>> p.cwd() '/home/giampaolo' >>> p.cmdline() ['/usr/bin/python', 'main.py'] >>> >>> p.pid 7055 >>> p.ppid() 7054 >>> p.children(recursive=True) [psutil.Process(pid=29835, name='python2.7', started='11:45:38'), psutil.Process(pid=29836, name='python2.7', started='11:43:39')] >>> >>> p.parent() psutil.Process(pid=4699, name='bash', started='09:06:44') >>> p.parents() [psutil.Process(pid=4699, name='bash', started='09:06:44'), psutil.Process(pid=4689, name='gnome-terminal-server', started='0:06:44'), psutil.Process(pid=1, name='systemd', started='05:56:55')] >>> >>> 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, children_user=0.32, children_system=0.1, iowait=0.0) >>> p.cpu_percent(interval=1.0) 12.1 >>> p.cpu_affinity() [0, 1, 2, 3] >>> p.cpu_affinity([0, 1]) # set >>> p.cpu_num() 1 >>> >>> p.memory_info() pmem(rss=10915840, vms=67608576, shared=3313664, text=2310144, lib=0, data=7262208, dirty=0) >>> p.memory_full_info() # "real" USS memory usage (Linux, macOS, Win only) pfullmem(rss=10199040, vms=52133888, shared=3887104, text=2867200, lib=0, data=5967872, dirty=0, uss=6545408, pss=6872064, swap=0) >>> p.memory_percent() 0.7823 >>> p.memory_maps() [pmmap_grouped(path='/lib/x8664-linux-gnu/libutil-2.15.so', rss=32768, size=2125824, pss=32768, shared_clean=0, shared_dirty=0, private_clean=20480, private_dirty=12288, referenced=32768, anonymous=12288, swap=0), pmmap_grouped(path='/lib/x8664-linux-gnu/libc-2.15.so', rss=3821568, size=3842048, pss=3821568, shared_clean=0, shared_dirty=0, private_clean=0, private_dirty=3821568, referenced=3575808, anonymous=3821568, swap=0), pmmap_grouped(path='[heap]', rss=32768, size=139264, pss=32768, shared_clean=0, shared_dirty=0, private_clean=0, private_dirty=32768, referenced=32768, anonymous=32768, swap=0), pmmap_grouped(path='[stack]', rss=2465792, size=2494464, pss=2465792, shared_clean=0, shared_dirty=0, private_clean=0, private_dirty=2465792, referenced=2277376, anonymous=2465792, swap=0), ...] >>> >>> p.io_counters() pio(read_count=478001, write_count=59371, read_bytes=700416, write_bytes=69632, read_chars=456232, write_chars=517543) >>> >>> p.open_files() [popenfile(path='/home/giampaolo/monit.py', fd=3, position=0, mode='r', flags=32768), popenfile(path='/var/log/monit.log', fd=4, position=235542, mode='a', flags=33793)] >>> >>> p.connections() [pconn(fd=115, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=addr(ip='10.0.0.1', port=48776), raddr=addr(ip='93.186.135.91', port=80), status='ESTABLISHED'), pconn(fd=117, family=<AddressFamily.AF_INET: 2>, type=<SocketType.SOCK_STREAM: 1>, laddr=addr(ip='10.0.0.1', port=43761), raddr=addr(ip='72.14.234.100', port=80), status='CLOSING')] >>> >>> p.num_threads() 4 >>> p.num_fds() 8 >>> p.threads() [pthread(id=5234, user_time=22.5, system_time=9.2891), 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.environ() {'LC_PAPER': 'it_IT.UTF-8', 'SHELL': '/bin/bash', 'GREP_OPTIONS': '--color=auto', 'XDG_CONFIG_DIRS': '/etc/xdg/xdg-ubuntu:/usr/share/upstart/xdg:/etc/xdg', ...} >>> >>> p.as_dict() {'status': 'running', 'num_ctx_switches': pctxsw(voluntary=63, involuntary=1), 'pid': 5457, ...} >>> p.is_running() True >>> p.suspend() >>> p.resume() >>> >>> p.terminate() >>> p.kill() >>> 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 ... 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 >>> import psutil >>> for proc in psutil.process_iter(attrs=['pid', 'name']): ... print(proc.info) ... {'pid': 1, 'name': 'systemd'} {'pid': 2, 'name': 'kthreadd'} {'pid': 3, 'name': 'ksoftirqd/0'} ... >>> >>> psutil.pid_exists(3) True >>> >>> def on_terminate(proc): ... print("process {} terminated".format(proc)) ... >>> # waits for multiple processes to terminate >>> gone, alive = psutil.wait_procs(procs_list, timeout=3, callback=on_terminate) >>> Popen wrapper: .. code-block:: python >>> import psutil >>> from subprocess import PIPE >>> p = psutil.Popen(["/usr/bin/python", "-c", "print('hello')"], stdout=PIPE) >>> p.name() 'python' >>> p.username() 'giampaolo' >>> p.communicate() ('hello\n', None) >>> p.wait(timeout=2) 0 >>> Windows services ---------------- .. code-block:: python >>> list(psutil.win_service_iter()) [<WindowsService(name='AeLookupSvc', display_name='Application Experience') at 38850096>, <WindowsService(name='ALG', display_name='Application Layer Gateway Service') at 38850128>, <WindowsService(name='APNMCP', display_name='Ask Update Service') at 38850160>, <WindowsService(name='AppIDSvc', display_name='Application Identity') at 38850192>, ...] >>> s = psutil.win_service_get('alg') >>> s.as_dict() {'binpath': 'C:\\Windows\\System32\\alg.exe', 'description': 'Provides support for 3rd party protocol plug-ins for Internet Connection Sharing', 'display_name': 'Application Layer Gateway Service', 'name': 'alg', 'pid': None, 'start_type': 'manual', 'status': 'stopped', 'username': 'NT AUTHORITY\\LocalService'} .. _`Giampaolo Rodola`: http://grodola.blogspot.com/p/about.html .. _`donation`: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A9ZS7PKKRM3S8 .. _Tidelift security contact: https://tidelift.com/security .. _Tidelift Subscription: https://tidelift.com/subscription/pkg/pypi-psutil?utm_source=pypi-psutil&utm_medium=referral&utm_campaign=readme