forked from mirrors/gecko-dev
69 lines
1.5 KiB
Python
69 lines
1.5 KiB
Python
#!/usr/bin/env python
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# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""
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Print system memory information.
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$ python scripts/meminfo.py
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MEMORY
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------
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Total : 9.7G
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Available : 4.9G
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Percent : 49.0
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Used : 8.2G
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Free : 1.4G
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Active : 5.6G
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Inactive : 2.1G
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Buffers : 341.2M
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Cached : 3.2G
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SWAP
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----
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Total : 0B
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Used : 0B
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Free : 0B
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Percent : 0.0
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Sin : 0B
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Sout : 0B
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"""
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import psutil
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def bytes2human(n):
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# http://code.activestate.com/recipes/578019
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# >>> bytes2human(10000)
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# '9.8K'
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# >>> bytes2human(100001221)
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# '95.4M'
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symbols = ('K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y')
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prefix = {}
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for i, s in enumerate(symbols):
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prefix[s] = 1 << (i + 1) * 10
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for s in reversed(symbols):
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if n >= prefix[s]:
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value = float(n) / prefix[s]
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return '%.1f%s' % (value, s)
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return "%sB" % n
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def pprint_ntuple(nt):
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for name in nt._fields:
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value = getattr(nt, name)
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if name != 'percent':
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value = bytes2human(value)
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print('%-10s : %7s' % (name.capitalize(), value))
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def main():
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print('MEMORY\n------')
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pprint_ntuple(psutil.virtual_memory())
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print('\nSWAP\n----')
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pprint_ntuple(psutil.swap_memory())
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if __name__ == '__main__':
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main()
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