python/psutil/examples/free.py
author Alexandre Poirot <poirot.alex@gmail.com>
Wed, 04 Nov 2015 08:56:00 +0100
changeset 307645 f4c516bc60ee0a50885a73c8e9a97b8bb8e58162
parent 286873 2eea7ab5228dde61fdc8706ea8452df10da6dd1d
permissions -rwxr-xr-x
Bug 1221238 - Fix devtools filter popup inputs width on linux. r=pbrosset

#!/usr/bin/env python

# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""
A clone of 'free' cmdline utility.

$ python examples/free.py
             total       used       free     shared    buffers      cache
Mem:      10125520    8625996    1499524          0     349500    3307836
Swap:            0          0          0
"""

import psutil


def main():
    virt = psutil.virtual_memory()
    swap = psutil.swap_memory()
    templ = "%-7s %10s %10s %10s %10s %10s %10s"
    print(templ % ('', 'total', 'used', 'free', 'shared', 'buffers', 'cache'))
    print(templ % (
        'Mem:',
        int(virt.total / 1024),
        int(virt.used / 1024),
        int(virt.free / 1024),
        int(getattr(virt, 'shared', 0) / 1024),
        int(getattr(virt, 'buffers', 0) / 1024),
        int(getattr(virt, 'cached', 0) / 1024)))
    print(templ % (
        'Swap:', int(swap.total / 1024),
        int(swap.used / 1024),
        int(swap.free / 1024),
        '',
        '',
        ''))

if __name__ == '__main__':
    main()