/usr/share/doc/python-psutil/examples/meminfo.py is in python-psutil 1.2.1-1ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | #!/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.
"""
Print system memory information.
"""
import psutil
from psutil._compat import print_
def bytes2human(n):
# http://code.activestate.com/recipes/578019
# >>> bytes2human(10000)
# '9.8K'
# >>> bytes2human(100001221)
# '95.4M'
symbols = ('K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y')
prefix = {}
for i, s in enumerate(symbols):
prefix[s] = 1 << (i + 1) * 10
for s in reversed(symbols):
if n >= prefix[s]:
value = float(n) / prefix[s]
return '%.1f%s' % (value, s)
return "%sB" % n
def pprint_ntuple(nt):
for name in nt._fields:
value = getattr(nt, name)
if name != 'percent':
value = bytes2human(value)
print_('%-10s : %7s' % (name.capitalize(), value))
def main():
print_('MEMORY\n------')
pprint_ntuple(psutil.virtual_memory())
print_('\nSWAP\n----')
pprint_ntuple(psutil.swap_memory())
if __name__ == '__main__':
main()
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