ANN: psutil 4.3.1 released

Giampaolo Rodola' g.rodola at
Fri Sep 2 14:27:22 EDT 2016

Hello all,
I'm glad to announce the release of psutil 4.3.1:


psutil (process and system 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, Sun Solaris, FreeBSD, OpenBSD and
NetBSD, 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 version). PyPy is also
known to work.

What's new


- #881: "make install" now works also when using a virtual env.

**Bug fixes**

- #854: Process.as_dict() raises ValueError if passed an erroneous attrs
- #857: [SunOS] Process cpu_times(), cpu_percent(), threads() amd
  may raise RuntimeError if attempting to query a 64bit process with a 32bit
  python. "Null" values are returned as a fallback.
- #858: Process.as_dict() should not return memory_info_ex() because it's
- #863: [Windows] memory_map truncates addresses above 32 bits
- #866: [Windows] win_service_iter() and services in general are not able to
  handle unicode service names / descriptions.
- #869: [Windows] Process.wait() may raise TimeoutExpired with wrong timeout
  unit (ms instead of sec).
- #870: [Windows] Handle leak inside psutil_get_process_data.


- Home page:
- Download:
- Documentation:
- What's new:


Giampaolo -

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