Files
roytam1 98894236c9 import changes from `dev' branch of rmottola/Arctic-Fox:
- Bug 1171200 - Add means of checking if a document links to a manifest. r=billm (066ddad20)
- Bug 1167300 - Consolidate the performance tool directory, r=jsantell (c7dd7dc34)
- Bug 1167300 - Create a way to get strings from multiple localization files, r=jsantell (0973b8d3e)
- modules not in gre (914e4080e)
- Bug 1153011 - Remove zoom button from call tree. r=vporof (797b8f91d)
- Bug 1151973 - Inverted call tree should be ordered by 'self cost', not 'total cost', r=jsantell (f2800b272)
- more gre removal (27aed87a0)
- Bug 1144034 - Flamegraph text is barely readable on non-retina display, r=jsantell (cb19fd9f2)
- Bug 1151973 - Inverted call tree should be ordered by 'self cost', not 'total cost', r=jsantell (9c579599e)
- Bug 1167300 - Fix all performance tool imports to work with the new file locations, r=jsantell (70b2995c4)
- Bug 1167298 - Remove the ordinal property on categories, r=jsantell (00b3f5830)
- Bug 1167733 - Consolidate prefs access and usage in the new performance tool, r=jsantell (4dab15e7f)
- Bug 1167006 - part 3 fully revert merge from 780e1f999f54. (8aaa33c9c)
- Bug 1167961 - Task is incorrectly used in compatibility.js, r=jsantell (7291f68d1)
- Bug 1138641 - Updated remaining callsites to use newChannel2 in browser/devtools (r=vporof) (60ac4b2c8)
- Bug 1164130 - Correctly include RecordingUtils when importing older version 2 profiler data. r=vp (8169d0398)
- Bug 1167962 - Keep exports at bottom of modules, r=jsantell (7426919db)
- Bug 1167962 - Fix import in synthesizeProfileForTest, r=orange (cc7fab771)
- fix merge of later patch Bug 1167006 (c0b57b0e2)
- Bug 1157523 - Fix intermittent where markers are selected in the waterfall views when there is no recording selected. r=vp (35cec0bd1)
- Bug 1196253 - update in-tree psutil to 3.1.1. r=gps (80f243738)
2021-05-26 11:17:55 +08:00

69 lines
1.5 KiB
Python
Executable File

#!/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.
$ python examples/meminfo.py
MEMORY
------
Total : 9.7G
Available : 4.9G
Percent : 49.0
Used : 8.2G
Free : 1.4G
Active : 5.6G
Inactive : 2.1G
Buffers : 341.2M
Cached : 3.2G
SWAP
----
Total : 0B
Used : 0B
Free : 0B
Percent : 0.0
Sin : 0B
Sout : 0B
"""
import psutil
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()