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Python Get Cpu Usage Linux


This is similar to os.times() but can be used for any process PID. Changed in version 4.4.0: added support for netmask field on Windows which is no longer None. Moving everything to functions looks much better (usually I do so with '''Docstrings''' there, just... Using line_profiler module The line_profiler module gives you information about the CPU time spent on each line in your code. his comment is here

The return value is not cached because the cmdline of a process may change. >>> import psutil >>> psutil.Process().cmdline() ['python', 'manage.py', 'runserver'] environ()¶ The environment variables of the process as a You can run it from the command-line, so you can run it from Python. Linux OSX BSD Solaris Windows rss rss rss rss rss (alias for wset) vms vms vms vms vms (alias for pagefile) shared pfaults text num_page_faults text pageins data I would factor out any temporary variables, e.g.

Python Get Cpu Usage Linux

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. more hot questions question feed lang-py about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation but I am happy to hear any other options. The output will be sent to a file." Including -p you can specify the pid of the process that you are after.

I'll start with the final version and then work towards it from the original code. could you guys show me some example of what you're using ? That means that if the Process instance is old enough and the PID has been reused in the meantime you might end up interacting with another process. Python Psutil Get Process By Name Note: this might not reflect changes made after the process started. >>> import psutil >>> psutil.Process().environ() {'LC_NUMERIC': 'it_IT.UTF-8', 'QT_QPA_PLATFORMTHEME': 'appmenu-qt5', 'IM_CONFIG_PHASE': '1', 'XDG_GREETER_DATA_DIR': '/var/lib/lightdm-data/giampaolo', 'GNOME_DESKTOP_SESSION_ID': 'this-is-deprecated', 'XDG_CURRENT_DESKTOP': 'Unity', 'UPSTART_EVENTS': 'started starting',

First element of the list refers to first CPU, second element to second CPU and so on. Next, type: $ python -m memory_profiler timing_functions.py 1 $ python -m memory_profiler timing_functions.py yes, the previous script takes longer than the 1 or 2 seconds that took before. def read_cpu_usage(stat_path='/proc/stat'): with open(stat_path) as stat_file: return sum(float(time) for time in next(stat_file).split()[1:]) Remove the try/catch exit. navigate to these guys On Windows this is implemented via GetPriorityClass and SetPriorityClass Windows APIs and value is one of the psutil.*_PRIORITY_CLASS constants reflecting the MSDN documentation.

The only exceptions for which process identity is preemptively checked (via PID + creation time) and guaranteed are for nice() (set), ionice() (set), cpu_affinity() (set), rlimit() (set), Python Get Current Process Name On Windows this is an alias for pagefile field and it matches "Mem Usage" "VM Size" column of taskmgr.exe. pid()¶ The process PID, if any, else None. Why call it a "major" revision if the suggested changes are seemingly minor?

Python Get Cpu Usage Windows

On UNIX this is the same as os.kill(pid, signal.SIGTERM). navigate to these guys share|improve this answer answered Jun 7 '09 at 12:38 Alex J 2,0331323 i tried that one, i just wasn't able to get that module installed, and i thought there Python Get Cpu Usage Linux netmask: the netmask address (may be None). Psutil Memory Usage Use a decorator to time your functions The simpler way to time a function is to define a decorator that measures the elapsed time in running the function, and prints the result:

Note uss is probably the most representative metric for determining how much memory is actually being used by a process. http://homecomputermarket.com/cpu-usage/limit-cpu-usage-linux.html Using the timeit module Anther option is to use the timeit module, which gives you an average time measure. watch doesn't seem ideal to me for this: superuser.com/questions/281347/filtering-top-command-output –P-M Jul 4 at 15:29 add a comment| up vote 1 down vote This simple python script should do what you want: Victorian Ship Weighing How can I convince players not to offload a seemingly useless weapon? Psutil Python Install

Generate 10 numbers and move first number to the end 10 times Word that means "to fill the air with a bad smell"? Example: >>> import psutil >>> psutil.users() [suser(name='giampaolo', terminal='pts/2', host='localhost', started=1340737536.0), suser(name='giampaolo', terminal='pts/3', host='localhost', started=1340737792.0)] Processes¶ Functions¶ psutil.pids()¶ Return a list of current running PIDs. Sebastian 188k46356523 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password weblink from itertools import islice __all__ = ['CPUUsage', 'get_cpu_usage'] _instance = None def _get_instance(): global _instance if _instance is None: _instance = CPUUsage() return _instance def get_cpu_usage(): return _get_instance().get() class CPUUsage(object): def

The return value is one of the psutil.CONN_* constants. Python Get Total Memory Not the answer you're looking for? OSX is not supported. >>> import psutil >>> p = psutil.Process() >>> p.io_counters() pio(read_count=454556, write_count=3456, read_bytes=110592, write_bytes=0) Availability: all platforms except OSX and Solaris num_ctx_switches()¶ The number voluntary and involuntary context

If you want to learn more about speeding your Python code, I recommend you the book High Performance Python: Practical Performant Programming for Humans, september 2014.

Example: >>> import psutil >>> p = psutil.Process() >>> # process may open no more than 128 file descriptors >>> p.rlimit(psutil.RLIMIT_NOFILE, (128, 128)) >>> # process may create files no bigger send_signal(signal)¶ Send a signal to process (see signal module constants) preemptively checking whether PID has been reused. Thanks for your time. Python High Cpu Usage On UNIX this is the same as os.kill(pid, sig).

To wait for multiple processes use psutil.wait_procs(). >>> import psutil >>> p = psutil.Process(9891) >>> p.terminate() >>> p.wait() Popen class¶ class psutil.Popen(*args, **kwargs)¶ A more convenient interface to stdlib On UNIX it matches "top"‘s VIRT column (see doc). Note In order to efficiently fetch more than one information about the process at the same time, make sure to use either as_dict() or oneshot() context manager. http://homecomputermarket.com/cpu-usage/linux-cpu-usage-per-process.html username()¶ The name of the user that owns this service.

This is the same as os.getresgid() but can be used for any process PID. Memory¶ psutil.virtual_memory()¶ Return statistics about system memory usage as a namedtuple including the following fields, expressed in bytes. When the remote endpoint is not connected you'll get an empty tuple (AF_INET*) or None (AF_UNIX). memory_info_ex()¶ Same as memory_info() (deprecated).

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) >>> Thanks. Additionally, when you remove the top comparison, your loop will be: proctotal = proct(pid) cputotal = cput() try: while True: pr_proctotal = proctotal pr_cputotal = cputotal proctotal = proct(pid) cputotal = Why didn't the Roman maniple make a comeback in the Renaissance? 9-year-old received tablet as gift, but he does not have the self-control or maturity to own a tablet What is

When using this context manager the internal routine is executed once (in the example below on name()) the value of interest is returned and the others are cached. What is the structure in which people sit on the elephant called in English? share|improve this answer edited Jan 13 at 4:42 muru 75.7k13145198 answered Aug 8 '11 at 10:20 Stefano Palazzo♦ 49.1k25156207 Dear Stefano, thank you very much for your script. That means the first time this is called it will return a meaningless 0.0 value which you are supposed to ignore.

Changed in version 3.2.0: ptp field was added. from itertools import islice class CPUUsage(object): def __init__(self, stat_path='/proc/stat'): self.stat_path = stat_path def get(self): return self.parse(self.read(self.stat_path)) __call__ = get @staticmethod def read(stat_source): if isinstance(stat_source, basestring): open_stat = lambda: open(stat_source) else: open_stat pfaults (OSX): number of page faults. Unfortunately it seems to output wrong results.

swap (Linux): amount of memory that has been swapped out to disk. psutil.cpu_times_percent(interval=1, percpu=False) ... And it sounds logical. –setevoy Oct 26 '14 at 5:12 @setevoy - My solution to your bug is wrong, but you still have a bug... For example, if I'm monitoring a chrome process I get values that oscillate between 1 and 2, but task manager shows values oscillating between 25 and 30.

This will of course return more than purely cpu and ram but it will contain thos fields. Detect the missing number in a randomly-sorted array Why shouldn’t I use Unicode characters to simulate typographic styles (such as small caps or script)? Why didn't the Roman maniple make a comeback in the Renaissance? How to describe a person who always prefers things from other countries but not from their home countries?