[Python] ANN: rilasciata psutil (python process utilities) 0.2.1

Massimo Capanni massimo.capanni a gmail.com
Lun 21 Mar 2011 15:04:51 CET


Concordo, mi potrebbe tornare molto utile per certi controlli che devo
fare su alcuni processi in esecuzione nei server.
Lo provero' senz'altro :)


Il 21 marzo 2011 14:49, Mefrio <mefrio.g a gmail.com> ha scritto:
> Sembra interessante. Grazie per la segnalazione
>
> Mario
>
> Inviato da iPhone
>
> Il giorno 21/mar/2011, alle ore 13:46, Giampaolo Rodolą <g.rodola a gmail.com> ha scritto:
>
>> Salute a tutti,
>> sono lieto di annunciare il rilascio della versione 0.2.1 di psutil:
>> http://code.google.com/p/psutil
>>
>> === About ===
>>
>> psutil č un modulo che permette di ottenere informazioni riguardo i
>> processi in esecuzione e il sistema operativo (CPU, memoria) tramite
>> Python, implementando diverse funzionalitą offerte da tools da linea
>> di comando quali ps, top, lsof e netstat.
>> psutil supporta Linux, Windows, OS X e FreeBSD, sia 32-bit che 64-bit,
>> su Python da 2.4 a 3.2 utilizzando un'unica code-base.
>>
>> === Nuove features ===
>>
>> * process I/O counters
>> * process wait() (aspetta che un processo termini e ritorna l'exit code)
>> * process get_threads() informazioni (id, user and kernel times)
>> riguardo i thread aperti dal processo
>> * process uids/gids (saved, real e effective)
>> * process "niceness" (prioritą, get e set)
>> * stato dei processi (running, stopped etc...)
>> * process I/O "niceness" (prioritą I/O)
>> * psutil.Popen, una nuova classe che offre un'interfaccia pił
>> conveniente di subprocess.Popen
>>
>> === Esempio delle nuove features ===
>>
>>>>> p = psutil.Process(7055)
>>>>> p.name
>> 'python'
>>>>>
>>>>> str(p.status)
>> 'running'
>>>>>
>>>>> p.uids
>> user(real=1000, effective=1000, saved=1000)
>>>>> p.gids
>> group(real=1000, effective=1000, saved=1000)
>>>>>
>>>>> p.nice
>> 0
>>>>> p.nice = 10  # cambia prioritą
>>>>> p.nice
>> 10
>>>>>
>>>>> p.get_ionice()
>> ionice(ioclass=0, value=0)
>>>>> p.set_ionice(psutil.IOPRIO_CLASS_IDLE)  # cambia prioritą I/O
>>>>> p.get_ionice()
>> ionice(ioclass=3, value=0)
>>>>>
>>>>> p.get_io_counters()
>> io(read_count=478001, write_count=59371, read_bytes=700416, write_bytes=69632)
>>>>>
>>>>> p.get_threads()
>> [thread(id=5234, user_time=22.5, system_time=9.2891),
>> thread(id=5235, user_time=0.0, system_time=0.0),
>> thread(id=5236, user_time=0.0, system_time=0.0),
>> thread(id=5237, user_time=0.0707, system_time=1.2)]
>>>>>
>>>>> p.terminate()
>>>>> p.wait(timeout=3)
>> 0
>>>>>
>>
>>
>> = psutil.Popen =
>>
>>>>> import psutil
>>>>> from subprocess import PIPE
>>>>> p = psutil.Popen(["/usr/bin/python", "-c", "print 'hi'"], stdout=PIPE)
>>>>> p.name
>> 'python'
>>>>> p.uids
>> user(real=1000, effective=1000, saved=1000)
>>>>> p.username
>> 'giampaolo'
>>>>> p.communicate()
>> ('hi\n', None)
>>>>> p.terminate()
>>>>> p.wait(timeout=2)
>> 0
>>>>>
>>
>>
>> === Links ===
>>
>> * Home page: http://code.google.com/p/psutil
>> * Mailing list: http://groups.google.com/group/psutil/topics
>> * Sorgenti: http://psutil.googlecode.com/files/psutil-0.2.1.tar.gz
>> * Documentazione: http://code.google.com/p/psutil/wiki/Documentation
>>
>>
>> --- Giampaolo Rodola'
>>
>> http://code.google.com/p/pyftpdlib
>> http://code.google.com/p/psutil/
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