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annotate planemo/lib/python3.7/site-packages/psutil/tests/test_linux.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1
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1 #!/usr/bin/env python3
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2
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3 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
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4 # Use of this source code is governed by a BSD-style license that can be
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5 # found in the LICENSE file.
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6
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7 """Linux specific tests."""
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8
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9 from __future__ import division
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10 import collections
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11 import contextlib
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12 import errno
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13 import glob
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14 import io
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15 import os
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16 import re
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17 import shutil
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18 import socket
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19 import struct
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20 import textwrap
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21 import time
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22 import warnings
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23
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24 import psutil
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25 from psutil import LINUX
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26 from psutil._compat import basestring
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27 from psutil._compat import FileNotFoundError
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28 from psutil._compat import PY3
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29 from psutil._compat import u
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30 from psutil.tests import call_until
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31 from psutil.tests import GLOBAL_TIMEOUT
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32 from psutil.tests import HAS_BATTERY
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33 from psutil.tests import HAS_CPU_FREQ
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34 from psutil.tests import HAS_GETLOADAVG
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35 from psutil.tests import HAS_RLIMIT
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36 from psutil.tests import mock
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37 from psutil.tests import PsutilTestCase
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38 from psutil.tests import PYPY
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39 from psutil.tests import reload_module
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40 from psutil.tests import retry_on_failure
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41 from psutil.tests import safe_rmpath
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42 from psutil.tests import sh
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43 from psutil.tests import skip_on_not_implemented
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44 from psutil.tests import ThreadTask
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45 from psutil.tests import TOLERANCE_DISK_USAGE
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46 from psutil.tests import TOLERANCE_SYS_MEM
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47 from psutil.tests import TRAVIS
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48 from psutil.tests import unittest
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49 from psutil.tests import which
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50
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51
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52 HERE = os.path.abspath(os.path.dirname(__file__))
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53 SIOCGIFADDR = 0x8915
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54 SIOCGIFCONF = 0x8912
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55 SIOCGIFHWADDR = 0x8927
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56 if LINUX:
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57 SECTOR_SIZE = 512
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58 EMPTY_TEMPERATURES = not glob.glob('/sys/class/hwmon/hwmon*')
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59
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60 # =====================================================================
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61 # --- utils
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62 # =====================================================================
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63
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64
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65 def get_ipv4_address(ifname):
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66 import fcntl
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67 ifname = ifname[:15]
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68 if PY3:
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69 ifname = bytes(ifname, 'ascii')
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70 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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71 with contextlib.closing(s):
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72 return socket.inet_ntoa(
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73 fcntl.ioctl(s.fileno(),
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74 SIOCGIFADDR,
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75 struct.pack('256s', ifname))[20:24])
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76
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77
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78 def get_mac_address(ifname):
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79 import fcntl
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80 ifname = ifname[:15]
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81 if PY3:
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82 ifname = bytes(ifname, 'ascii')
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83 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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84 with contextlib.closing(s):
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85 info = fcntl.ioctl(
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86 s.fileno(), SIOCGIFHWADDR, struct.pack('256s', ifname))
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87 if PY3:
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88 def ord(x):
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89 return x
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90 else:
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91 import __builtin__
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92 ord = __builtin__.ord
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93 return ''.join(['%02x:' % ord(char) for char in info[18:24]])[:-1]
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94
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95
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96 def free_swap():
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97 """Parse 'free' cmd and return swap memory's s total, used and free
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98 values.
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99 """
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100 out = sh('free -b', env={"LANG": "C.UTF-8"})
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101 lines = out.split('\n')
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102 for line in lines:
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103 if line.startswith('Swap'):
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104 _, total, used, free = line.split()
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105 nt = collections.namedtuple('free', 'total used free')
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106 return nt(int(total), int(used), int(free))
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107 raise ValueError(
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108 "can't find 'Swap' in 'free' output:\n%s" % '\n'.join(lines))
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109
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110
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111 def free_physmem():
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112 """Parse 'free' cmd and return physical memory's total, used
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113 and free values.
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114 """
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115 # Note: free can have 2 different formats, invalidating 'shared'
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116 # and 'cached' memory which may have different positions so we
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117 # do not return them.
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118 # https://github.com/giampaolo/psutil/issues/538#issuecomment-57059946
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119 out = sh('free -b', env={"LANG": "C.UTF-8"})
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120 lines = out.split('\n')
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121 for line in lines:
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122 if line.startswith('Mem'):
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123 total, used, free, shared = \
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124 [int(x) for x in line.split()[1:5]]
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125 nt = collections.namedtuple(
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126 'free', 'total used free shared output')
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127 return nt(total, used, free, shared, out)
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128 raise ValueError(
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129 "can't find 'Mem' in 'free' output:\n%s" % '\n'.join(lines))
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130
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131
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132 def vmstat(stat):
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133 out = sh("vmstat -s", env={"LANG": "C.UTF-8"})
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134 for line in out.split("\n"):
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135 line = line.strip()
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136 if stat in line:
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137 return int(line.split(' ')[0])
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138 raise ValueError("can't find %r in 'vmstat' output" % stat)
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139
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140
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141 def get_free_version_info():
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142 out = sh("free -V").strip()
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143 if 'UNKNOWN' in out:
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144 raise unittest.SkipTest("can't determine free version")
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145 return tuple(map(int, out.split()[-1].split('.')))
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146
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147
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148 @contextlib.contextmanager
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149 def mock_open_content(for_path, content):
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150 """Mock open() builtin and forces it to return a certain `content`
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151 on read() if the path being opened matches `for_path`.
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152 """
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153 def open_mock(name, *args, **kwargs):
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154 if name == for_path:
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155 if PY3:
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156 if isinstance(content, basestring):
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157 return io.StringIO(content)
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158 else:
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159 return io.BytesIO(content)
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160 else:
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161 return io.BytesIO(content)
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162 else:
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163 return orig_open(name, *args, **kwargs)
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164
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165 orig_open = open
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166 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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167 with mock.patch(patch_point, create=True, side_effect=open_mock) as m:
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168 yield m
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169
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170
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171 @contextlib.contextmanager
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172 def mock_open_exception(for_path, exc):
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173 """Mock open() builtin and raises `exc` if the path being opened
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174 matches `for_path`.
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175 """
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176 def open_mock(name, *args, **kwargs):
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177 if name == for_path:
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178 raise exc
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179 else:
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180 return orig_open(name, *args, **kwargs)
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181
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182 orig_open = open
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183 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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184 with mock.patch(patch_point, create=True, side_effect=open_mock) as m:
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185 yield m
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186
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187
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188 # =====================================================================
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189 # --- system virtual memory
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190 # =====================================================================
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191
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192
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193 @unittest.skipIf(not LINUX, "LINUX only")
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194 class TestSystemVirtualMemory(PsutilTestCase):
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195
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196 def test_total(self):
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197 # free_value = free_physmem().total
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198 # psutil_value = psutil.virtual_memory().total
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199 # self.assertEqual(free_value, psutil_value)
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200 vmstat_value = vmstat('total memory') * 1024
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201 psutil_value = psutil.virtual_memory().total
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202 self.assertAlmostEqual(vmstat_value, psutil_value)
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203
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204 @retry_on_failure()
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205 def test_used(self):
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206 # Older versions of procps used slab memory to calculate used memory.
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207 # This got changed in:
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208 # https://gitlab.com/procps-ng/procps/commit/
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209 # 05d751c4f076a2f0118b914c5e51cfbb4762ad8e
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210 if get_free_version_info() < (3, 3, 12):
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211 raise self.skipTest("old free version")
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212 free = free_physmem()
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213 free_value = free.used
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214 psutil_value = psutil.virtual_memory().used
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215 self.assertAlmostEqual(
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216 free_value, psutil_value, delta=TOLERANCE_SYS_MEM,
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217 msg='%s %s \n%s' % (free_value, psutil_value, free.output))
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218
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219 @unittest.skipIf(TRAVIS, "unreliable on TRAVIS")
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220 @retry_on_failure()
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221 def test_free(self):
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222 vmstat_value = vmstat('free memory') * 1024
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223 psutil_value = psutil.virtual_memory().free
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224 self.assertAlmostEqual(
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225 vmstat_value, psutil_value, delta=TOLERANCE_SYS_MEM)
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226
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227 @retry_on_failure()
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228 def test_buffers(self):
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229 vmstat_value = vmstat('buffer memory') * 1024
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230 psutil_value = psutil.virtual_memory().buffers
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231 self.assertAlmostEqual(
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232 vmstat_value, psutil_value, delta=TOLERANCE_SYS_MEM)
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233
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234 # https://travis-ci.org/giampaolo/psutil/jobs/226719664
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235 @unittest.skipIf(TRAVIS, "unreliable on TRAVIS")
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236 @retry_on_failure()
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237 def test_active(self):
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238 vmstat_value = vmstat('active memory') * 1024
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239 psutil_value = psutil.virtual_memory().active
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240 self.assertAlmostEqual(
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241 vmstat_value, psutil_value, delta=TOLERANCE_SYS_MEM)
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242
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243 # https://travis-ci.org/giampaolo/psutil/jobs/227242952
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244 @unittest.skipIf(TRAVIS, "unreliable on TRAVIS")
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245 @retry_on_failure()
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246 def test_inactive(self):
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247 vmstat_value = vmstat('inactive memory') * 1024
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248 psutil_value = psutil.virtual_memory().inactive
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249 self.assertAlmostEqual(
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250 vmstat_value, psutil_value, delta=TOLERANCE_SYS_MEM)
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251
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252 @retry_on_failure()
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253 def test_shared(self):
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254 free = free_physmem()
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255 free_value = free.shared
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256 if free_value == 0:
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257 raise unittest.SkipTest("free does not support 'shared' column")
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258 psutil_value = psutil.virtual_memory().shared
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259 self.assertAlmostEqual(
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260 free_value, psutil_value, delta=TOLERANCE_SYS_MEM,
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261 msg='%s %s \n%s' % (free_value, psutil_value, free.output))
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262
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263 @retry_on_failure()
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264 def test_available(self):
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265 # "free" output format has changed at some point:
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266 # https://github.com/giampaolo/psutil/issues/538#issuecomment-147192098
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267 out = sh("free -b")
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268 lines = out.split('\n')
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269 if 'available' not in lines[0]:
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270 raise unittest.SkipTest("free does not support 'available' column")
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271 else:
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272 free_value = int(lines[1].split()[-1])
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273 psutil_value = psutil.virtual_memory().available
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274 self.assertAlmostEqual(
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275 free_value, psutil_value, delta=TOLERANCE_SYS_MEM,
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276 msg='%s %s \n%s' % (free_value, psutil_value, out))
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277
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278 def test_warnings_on_misses(self):
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279 # Emulate a case where /proc/meminfo provides few info.
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280 # psutil is supposed to set the missing fields to 0 and
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281 # raise a warning.
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282 with mock_open_content(
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283 '/proc/meminfo',
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284 textwrap.dedent("""\
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285 Active(anon): 6145416 kB
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286 Active(file): 2950064 kB
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287 Inactive(anon): 574764 kB
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288 Inactive(file): 1567648 kB
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289 MemAvailable: -1 kB
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290 MemFree: 2057400 kB
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291 MemTotal: 16325648 kB
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292 SReclaimable: 346648 kB
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293 """).encode()) as m:
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294 with warnings.catch_warnings(record=True) as ws:
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295 warnings.simplefilter("always")
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296 ret = psutil.virtual_memory()
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297 assert m.called
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298 self.assertEqual(len(ws), 1)
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299 w = ws[0]
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300 assert w.filename.endswith('psutil/_pslinux.py')
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301 self.assertIn(
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302 "memory stats couldn't be determined", str(w.message))
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303 self.assertIn("cached", str(w.message))
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304 self.assertIn("shared", str(w.message))
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305 self.assertIn("active", str(w.message))
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306 self.assertIn("inactive", str(w.message))
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307 self.assertIn("buffers", str(w.message))
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308 self.assertIn("available", str(w.message))
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309 self.assertEqual(ret.cached, 0)
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310 self.assertEqual(ret.active, 0)
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311 self.assertEqual(ret.inactive, 0)
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312 self.assertEqual(ret.shared, 0)
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313 self.assertEqual(ret.buffers, 0)
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314 self.assertEqual(ret.available, 0)
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315 self.assertEqual(ret.slab, 0)
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316
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317 @retry_on_failure()
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318 def test_avail_old_percent(self):
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319 # Make sure that our calculation of avail mem for old kernels
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320 # is off by max 15%.
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321 from psutil._pslinux import calculate_avail_vmem
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322 from psutil._pslinux import open_binary
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323
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324 mems = {}
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325 with open_binary('/proc/meminfo') as f:
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326 for line in f:
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327 fields = line.split()
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328 mems[fields[0]] = int(fields[1]) * 1024
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329
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330 a = calculate_avail_vmem(mems)
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331 if b'MemAvailable:' in mems:
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332 b = mems[b'MemAvailable:']
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333 diff_percent = abs(a - b) / a * 100
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334 self.assertLess(diff_percent, 15)
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335
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336 def test_avail_old_comes_from_kernel(self):
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337 # Make sure "MemAvailable:" coluimn is used instead of relying
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338 # on our internal algorithm to calculate avail mem.
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339 with mock_open_content(
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340 '/proc/meminfo',
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341 textwrap.dedent("""\
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342 Active: 9444728 kB
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343 Active(anon): 6145416 kB
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344 Active(file): 2950064 kB
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345 Buffers: 287952 kB
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346 Cached: 4818144 kB
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347 Inactive(file): 1578132 kB
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348 Inactive(anon): 574764 kB
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349 Inactive(file): 1567648 kB
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350 MemAvailable: 6574984 kB
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351 MemFree: 2057400 kB
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352 MemTotal: 16325648 kB
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353 Shmem: 577588 kB
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354 SReclaimable: 346648 kB
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355 """).encode()) as m:
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356 with warnings.catch_warnings(record=True) as ws:
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357 ret = psutil.virtual_memory()
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358 assert m.called
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359 self.assertEqual(ret.available, 6574984 * 1024)
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360 w = ws[0]
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361 self.assertIn(
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362 "inactive memory stats couldn't be determined", str(w.message))
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363
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364 def test_avail_old_missing_fields(self):
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365 # Remove Active(file), Inactive(file) and SReclaimable
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366 # from /proc/meminfo and make sure the fallback is used
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367 # (free + cached),
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368 with mock_open_content(
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369 "/proc/meminfo",
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370 textwrap.dedent("""\
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371 Active: 9444728 kB
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372 Active(anon): 6145416 kB
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373 Buffers: 287952 kB
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374 Cached: 4818144 kB
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375 Inactive(file): 1578132 kB
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376 Inactive(anon): 574764 kB
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377 MemFree: 2057400 kB
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378 MemTotal: 16325648 kB
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379 Shmem: 577588 kB
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380 """).encode()) as m:
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381 with warnings.catch_warnings(record=True) as ws:
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382 ret = psutil.virtual_memory()
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383 assert m.called
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384 self.assertEqual(ret.available, 2057400 * 1024 + 4818144 * 1024)
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385 w = ws[0]
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386 self.assertIn(
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387 "inactive memory stats couldn't be determined", str(w.message))
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388
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389 def test_avail_old_missing_zoneinfo(self):
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390 # Remove /proc/zoneinfo file. Make sure fallback is used
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391 # (free + cached).
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392 with mock_open_content(
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393 "/proc/meminfo",
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394 textwrap.dedent("""\
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395 Active: 9444728 kB
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396 Active(anon): 6145416 kB
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397 Active(file): 2950064 kB
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398 Buffers: 287952 kB
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399 Cached: 4818144 kB
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400 Inactive(file): 1578132 kB
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401 Inactive(anon): 574764 kB
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402 Inactive(file): 1567648 kB
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403 MemFree: 2057400 kB
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404 MemTotal: 16325648 kB
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405 Shmem: 577588 kB
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406 SReclaimable: 346648 kB
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407 """).encode()):
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408 with mock_open_exception(
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409 "/proc/zoneinfo",
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410 IOError(errno.ENOENT, 'no such file or directory')):
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411 with warnings.catch_warnings(record=True) as ws:
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412 ret = psutil.virtual_memory()
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413 self.assertEqual(
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414 ret.available, 2057400 * 1024 + 4818144 * 1024)
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415 w = ws[0]
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416 self.assertIn(
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417 "inactive memory stats couldn't be determined",
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418 str(w.message))
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419
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420 def test_virtual_memory_mocked(self):
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421 # Emulate /proc/meminfo because neither vmstat nor free return slab.
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422 def open_mock(name, *args, **kwargs):
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423 if name == '/proc/meminfo':
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424 return io.BytesIO(textwrap.dedent("""\
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425 MemTotal: 100 kB
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426 MemFree: 2 kB
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427 MemAvailable: 3 kB
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428 Buffers: 4 kB
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429 Cached: 5 kB
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430 SwapCached: 6 kB
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431 Active: 7 kB
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432 Inactive: 8 kB
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433 Active(anon): 9 kB
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434 Inactive(anon): 10 kB
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435 Active(file): 11 kB
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436 Inactive(file): 12 kB
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437 Unevictable: 13 kB
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438 Mlocked: 14 kB
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439 SwapTotal: 15 kB
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440 SwapFree: 16 kB
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441 Dirty: 17 kB
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442 Writeback: 18 kB
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443 AnonPages: 19 kB
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444 Mapped: 20 kB
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445 Shmem: 21 kB
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446 Slab: 22 kB
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447 SReclaimable: 23 kB
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448 SUnreclaim: 24 kB
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449 KernelStack: 25 kB
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450 PageTables: 26 kB
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451 NFS_Unstable: 27 kB
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452 Bounce: 28 kB
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453 WritebackTmp: 29 kB
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454 CommitLimit: 30 kB
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455 Committed_AS: 31 kB
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456 VmallocTotal: 32 kB
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457 VmallocUsed: 33 kB
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458 VmallocChunk: 34 kB
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459 HardwareCorrupted: 35 kB
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460 AnonHugePages: 36 kB
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461 ShmemHugePages: 37 kB
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462 ShmemPmdMapped: 38 kB
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463 CmaTotal: 39 kB
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464 CmaFree: 40 kB
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465 HugePages_Total: 41 kB
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466 HugePages_Free: 42 kB
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467 HugePages_Rsvd: 43 kB
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468 HugePages_Surp: 44 kB
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469 Hugepagesize: 45 kB
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470 DirectMap46k: 46 kB
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471 DirectMap47M: 47 kB
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472 DirectMap48G: 48 kB
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473 """).encode())
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474 else:
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475 return orig_open(name, *args, **kwargs)
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476
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477 orig_open = open
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478 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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479 with mock.patch(patch_point, create=True, side_effect=open_mock) as m:
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480 mem = psutil.virtual_memory()
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481 assert m.called
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482 self.assertEqual(mem.total, 100 * 1024)
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483 self.assertEqual(mem.free, 2 * 1024)
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484 self.assertEqual(mem.buffers, 4 * 1024)
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485 # cached mem also includes reclaimable memory
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486 self.assertEqual(mem.cached, (5 + 23) * 1024)
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487 self.assertEqual(mem.shared, 21 * 1024)
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488 self.assertEqual(mem.active, 7 * 1024)
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489 self.assertEqual(mem.inactive, 8 * 1024)
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490 self.assertEqual(mem.slab, 22 * 1024)
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491 self.assertEqual(mem.available, 3 * 1024)
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492
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493
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494 # =====================================================================
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495 # --- system swap memory
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496 # =====================================================================
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497
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498
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499 @unittest.skipIf(not LINUX, "LINUX only")
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500 class TestSystemSwapMemory(PsutilTestCase):
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501
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502 @staticmethod
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503 def meminfo_has_swap_info():
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504 """Return True if /proc/meminfo provides swap metrics."""
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505 with open("/proc/meminfo") as f:
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506 data = f.read()
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507 return 'SwapTotal:' in data and 'SwapFree:' in data
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508
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509 def test_total(self):
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510 free_value = free_swap().total
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511 psutil_value = psutil.swap_memory().total
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512 return self.assertAlmostEqual(
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513 free_value, psutil_value, delta=TOLERANCE_SYS_MEM)
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514
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515 @retry_on_failure()
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516 def test_used(self):
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517 free_value = free_swap().used
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518 psutil_value = psutil.swap_memory().used
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diff changeset
519 return self.assertAlmostEqual(
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diff changeset
520 free_value, psutil_value, delta=TOLERANCE_SYS_MEM)
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521
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522 @retry_on_failure()
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523 def test_free(self):
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524 free_value = free_swap().free
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525 psutil_value = psutil.swap_memory().free
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diff changeset
526 return self.assertAlmostEqual(
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diff changeset
527 free_value, psutil_value, delta=TOLERANCE_SYS_MEM)
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528
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529 def test_missing_sin_sout(self):
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530 with mock.patch('psutil._common.open', create=True) as m:
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531 with warnings.catch_warnings(record=True) as ws:
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532 warnings.simplefilter("always")
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533 ret = psutil.swap_memory()
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534 assert m.called
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535 self.assertEqual(len(ws), 1)
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536 w = ws[0]
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537 assert w.filename.endswith('psutil/_pslinux.py')
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538 self.assertIn(
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diff changeset
539 "'sin' and 'sout' swap memory stats couldn't "
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540 "be determined", str(w.message))
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541 self.assertEqual(ret.sin, 0)
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542 self.assertEqual(ret.sout, 0)
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543
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544 def test_no_vmstat_mocked(self):
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545 # see https://github.com/giampaolo/psutil/issues/722
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546 with mock_open_exception(
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547 "/proc/vmstat",
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548 IOError(errno.ENOENT, 'no such file or directory')) as m:
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549 with warnings.catch_warnings(record=True) as ws:
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550 warnings.simplefilter("always")
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551 ret = psutil.swap_memory()
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552 assert m.called
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553 self.assertEqual(len(ws), 1)
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554 w = ws[0]
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555 assert w.filename.endswith('psutil/_pslinux.py')
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556 self.assertIn(
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diff changeset
557 "'sin' and 'sout' swap memory stats couldn't "
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parents:
diff changeset
558 "be determined and were set to 0",
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559 str(w.message))
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560 self.assertEqual(ret.sin, 0)
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561 self.assertEqual(ret.sout, 0)
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562
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563 def test_meminfo_against_sysinfo(self):
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564 # Make sure the content of /proc/meminfo about swap memory
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565 # matches sysinfo() syscall, see:
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diff changeset
566 # https://github.com/giampaolo/psutil/issues/1015
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diff changeset
567 if not self.meminfo_has_swap_info():
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568 return unittest.skip("/proc/meminfo has no swap metrics")
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569 with mock.patch('psutil._pslinux.cext.linux_sysinfo') as m:
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570 swap = psutil.swap_memory()
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571 assert not m.called
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572 import psutil._psutil_linux as cext
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573 _, _, _, _, total, free, unit_multiplier = cext.linux_sysinfo()
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574 total *= unit_multiplier
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575 free *= unit_multiplier
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576 self.assertEqual(swap.total, total)
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577 self.assertAlmostEqual(swap.free, free, delta=TOLERANCE_SYS_MEM)
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578
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579 def test_emulate_meminfo_has_no_metrics(self):
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580 # Emulate a case where /proc/meminfo provides no swap metrics
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diff changeset
581 # in which case sysinfo() syscall is supposed to be used
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diff changeset
582 # as a fallback.
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diff changeset
583 with mock_open_content("/proc/meminfo", b"") as m:
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584 psutil.swap_memory()
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diff changeset
585 assert m.called
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586
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587
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588 # =====================================================================
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589 # --- system CPU
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590 # =====================================================================
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591
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592
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593 @unittest.skipIf(not LINUX, "LINUX only")
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diff changeset
594 class TestSystemCPUTimes(PsutilTestCase):
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595
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596 @unittest.skipIf(TRAVIS, "unknown failure on travis")
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597 def test_fields(self):
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598 fields = psutil.cpu_times()._fields
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diff changeset
599 kernel_ver = re.findall(r'\d+\.\d+\.\d+', os.uname()[2])[0]
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diff changeset
600 kernel_ver_info = tuple(map(int, kernel_ver.split('.')))
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diff changeset
601 if kernel_ver_info >= (2, 6, 11):
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diff changeset
602 self.assertIn('steal', fields)
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diff changeset
603 else:
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604 self.assertNotIn('steal', fields)
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diff changeset
605 if kernel_ver_info >= (2, 6, 24):
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parents:
diff changeset
606 self.assertIn('guest', fields)
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diff changeset
607 else:
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diff changeset
608 self.assertNotIn('guest', fields)
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diff changeset
609 if kernel_ver_info >= (3, 2, 0):
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diff changeset
610 self.assertIn('guest_nice', fields)
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611 else:
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diff changeset
612 self.assertNotIn('guest_nice', fields)
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613
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614
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615 @unittest.skipIf(not LINUX, "LINUX only")
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616 class TestSystemCPUCountLogical(PsutilTestCase):
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617
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618 @unittest.skipIf(not os.path.exists("/sys/devices/system/cpu/online"),
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diff changeset
619 "/sys/devices/system/cpu/online does not exist")
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diff changeset
620 def test_against_sysdev_cpu_online(self):
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621 with open("/sys/devices/system/cpu/online") as f:
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622 value = f.read().strip()
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diff changeset
623 if "-" in str(value):
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624 value = int(value.split('-')[1]) + 1
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diff changeset
625 self.assertEqual(psutil.cpu_count(), value)
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626
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627 @unittest.skipIf(not os.path.exists("/sys/devices/system/cpu"),
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diff changeset
628 "/sys/devices/system/cpu does not exist")
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diff changeset
629 def test_against_sysdev_cpu_num(self):
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630 ls = os.listdir("/sys/devices/system/cpu")
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631 count = len([x for x in ls if re.search(r"cpu\d+$", x) is not None])
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diff changeset
632 self.assertEqual(psutil.cpu_count(), count)
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diff changeset
633
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diff changeset
634 @unittest.skipIf(not which("nproc"), "nproc utility not available")
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635 def test_against_nproc(self):
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636 num = int(sh("nproc --all"))
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diff changeset
637 self.assertEqual(psutil.cpu_count(logical=True), num)
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diff changeset
638
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diff changeset
639 @unittest.skipIf(not which("lscpu"), "lscpu utility not available")
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diff changeset
640 def test_against_lscpu(self):
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641 out = sh("lscpu -p")
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diff changeset
642 num = len([x for x in out.split('\n') if not x.startswith('#')])
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diff changeset
643 self.assertEqual(psutil.cpu_count(logical=True), num)
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diff changeset
644
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diff changeset
645 def test_emulate_fallbacks(self):
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646 import psutil._pslinux
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647 original = psutil._pslinux.cpu_count_logical()
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diff changeset
648 # Here we want to mock os.sysconf("SC_NPROCESSORS_ONLN") in
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diff changeset
649 # order to cause the parsing of /proc/cpuinfo and /proc/stat.
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650 with mock.patch(
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651 'psutil._pslinux.os.sysconf', side_effect=ValueError) as m:
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652 self.assertEqual(psutil._pslinux.cpu_count_logical(), original)
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diff changeset
653 assert m.called
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654
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655 # Let's have open() return emtpy data and make sure None is
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656 # returned ('cause we mimick os.cpu_count()).
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657 with mock.patch('psutil._common.open', create=True) as m:
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diff changeset
658 self.assertIsNone(psutil._pslinux.cpu_count_logical())
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659 self.assertEqual(m.call_count, 2)
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660 # /proc/stat should be the last one
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diff changeset
661 self.assertEqual(m.call_args[0][0], '/proc/stat')
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662
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663 # Let's push this a bit further and make sure /proc/cpuinfo
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diff changeset
664 # parsing works as expected.
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665 with open('/proc/cpuinfo', 'rb') as f:
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666 cpuinfo_data = f.read()
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diff changeset
667 fake_file = io.BytesIO(cpuinfo_data)
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diff changeset
668 with mock.patch('psutil._common.open',
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669 return_value=fake_file, create=True) as m:
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diff changeset
670 self.assertEqual(psutil._pslinux.cpu_count_logical(), original)
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diff changeset
671
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672 # Finally, let's make /proc/cpuinfo return meaningless data;
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diff changeset
673 # this way we'll fall back on relying on /proc/stat
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diff changeset
674 with mock_open_content('/proc/cpuinfo', b"") as m:
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diff changeset
675 self.assertEqual(psutil._pslinux.cpu_count_logical(), original)
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diff changeset
676 m.called
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diff changeset
677
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diff changeset
678
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diff changeset
679 @unittest.skipIf(not LINUX, "LINUX only")
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diff changeset
680 class TestSystemCPUCountPhysical(PsutilTestCase):
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diff changeset
681
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diff changeset
682 @unittest.skipIf(not which("lscpu"), "lscpu utility not available")
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diff changeset
683 def test_against_lscpu(self):
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diff changeset
684 out = sh("lscpu -p")
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diff changeset
685 core_ids = set()
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diff changeset
686 for line in out.split('\n'):
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parents:
diff changeset
687 if not line.startswith('#'):
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diff changeset
688 fields = line.split(',')
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diff changeset
689 core_ids.add(fields[1])
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parents:
diff changeset
690 self.assertEqual(psutil.cpu_count(logical=False), len(core_ids))
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diff changeset
691
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diff changeset
692 def test_emulate_none(self):
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diff changeset
693 with mock.patch('glob.glob', return_value=[]) as m1:
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diff changeset
694 with mock.patch('psutil._common.open', create=True) as m2:
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diff changeset
695 self.assertIsNone(psutil._pslinux.cpu_count_physical())
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parents:
diff changeset
696 assert m1.called
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diff changeset
697 assert m2.called
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diff changeset
698
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diff changeset
699
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diff changeset
700 @unittest.skipIf(not LINUX, "LINUX only")
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diff changeset
701 class TestSystemCPUFrequency(PsutilTestCase):
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parents:
diff changeset
702
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diff changeset
703 @unittest.skipIf(TRAVIS, "fails on Travis")
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diff changeset
704 @unittest.skipIf(not HAS_CPU_FREQ, "not supported")
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diff changeset
705 def test_emulate_use_second_file(self):
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diff changeset
706 # https://github.com/giampaolo/psutil/issues/981
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diff changeset
707 def path_exists_mock(path):
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diff changeset
708 if path.startswith("/sys/devices/system/cpu/cpufreq/policy"):
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diff changeset
709 return False
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diff changeset
710 else:
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711 return orig_exists(path)
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diff changeset
712
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diff changeset
713 orig_exists = os.path.exists
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diff changeset
714 with mock.patch("os.path.exists", side_effect=path_exists_mock,
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diff changeset
715 create=True):
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parents:
diff changeset
716 assert psutil.cpu_freq()
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parents:
diff changeset
717
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diff changeset
718 @unittest.skipIf(not HAS_CPU_FREQ, "not supported")
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parents:
diff changeset
719 def test_emulate_use_cpuinfo(self):
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diff changeset
720 # Emulate a case where /sys/devices/system/cpu/cpufreq* does not
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diff changeset
721 # exist and /proc/cpuinfo is used instead.
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parents:
diff changeset
722 def path_exists_mock(path):
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diff changeset
723 if path.startswith('/sys/devices/system/cpu/'):
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parents:
diff changeset
724 return False
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diff changeset
725 else:
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parents:
diff changeset
726 if path == "/proc/cpuinfo":
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diff changeset
727 flags.append(None)
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parents:
diff changeset
728 return os_path_exists(path)
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parents:
diff changeset
729
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diff changeset
730 flags = []
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diff changeset
731 os_path_exists = os.path.exists
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parents:
diff changeset
732 try:
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parents:
diff changeset
733 with mock.patch("os.path.exists", side_effect=path_exists_mock):
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guerler
parents:
diff changeset
734 reload_module(psutil._pslinux)
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parents:
diff changeset
735 ret = psutil.cpu_freq()
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parents:
diff changeset
736 assert ret
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parents:
diff changeset
737 assert flags
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parents:
diff changeset
738 self.assertEqual(ret.max, 0.0)
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guerler
parents:
diff changeset
739 self.assertEqual(ret.min, 0.0)
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guerler
parents:
diff changeset
740 for freq in psutil.cpu_freq(percpu=True):
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guerler
parents:
diff changeset
741 self.assertEqual(ret.max, 0.0)
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guerler
parents:
diff changeset
742 self.assertEqual(ret.min, 0.0)
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parents:
diff changeset
743 finally:
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parents:
diff changeset
744 reload_module(psutil._pslinux)
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guerler
parents:
diff changeset
745 reload_module(psutil)
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guerler
parents:
diff changeset
746
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parents:
diff changeset
747 @unittest.skipIf(not HAS_CPU_FREQ, "not supported")
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guerler
parents:
diff changeset
748 def test_emulate_data(self):
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guerler
parents:
diff changeset
749 def open_mock(name, *args, **kwargs):
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guerler
parents:
diff changeset
750 if (name.endswith('/scaling_cur_freq') and
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guerler
parents:
diff changeset
751 name.startswith("/sys/devices/system/cpu/cpufreq/policy")):
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parents:
diff changeset
752 return io.BytesIO(b"500000")
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parents:
diff changeset
753 elif (name.endswith('/scaling_min_freq') and
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guerler
parents:
diff changeset
754 name.startswith("/sys/devices/system/cpu/cpufreq/policy")):
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guerler
parents:
diff changeset
755 return io.BytesIO(b"600000")
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guerler
parents:
diff changeset
756 elif (name.endswith('/scaling_max_freq') and
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guerler
parents:
diff changeset
757 name.startswith("/sys/devices/system/cpu/cpufreq/policy")):
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guerler
parents:
diff changeset
758 return io.BytesIO(b"700000")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
759 elif name == '/proc/cpuinfo':
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
760 return io.BytesIO(b"cpu MHz : 500")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
761 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
762 return orig_open(name, *args, **kwargs)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
763
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
764 orig_open = open
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
765 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
766 with mock.patch(patch_point, side_effect=open_mock):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
767 with mock.patch(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
768 'os.path.exists', return_value=True):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
769 freq = psutil.cpu_freq()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
770 self.assertEqual(freq.current, 500.0)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
771 # when /proc/cpuinfo is used min and max frequencies are not
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
772 # available and are set to 0.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
773 if freq.min != 0.0:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
774 self.assertEqual(freq.min, 600.0)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
775 if freq.max != 0.0:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
776 self.assertEqual(freq.max, 700.0)
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guerler
parents:
diff changeset
777
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
778 @unittest.skipIf(not HAS_CPU_FREQ, "not supported")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
779 def test_emulate_multi_cpu(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
780 def open_mock(name, *args, **kwargs):
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guerler
parents:
diff changeset
781 n = name
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guerler
parents:
diff changeset
782 if (n.endswith('/scaling_cur_freq') and
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
783 n.startswith("/sys/devices/system/cpu/cpufreq/policy0")):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
784 return io.BytesIO(b"100000")
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guerler
parents:
diff changeset
785 elif (n.endswith('/scaling_min_freq') and
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
786 n.startswith("/sys/devices/system/cpu/cpufreq/policy0")):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
787 return io.BytesIO(b"200000")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
788 elif (n.endswith('/scaling_max_freq') and
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
789 n.startswith("/sys/devices/system/cpu/cpufreq/policy0")):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
790 return io.BytesIO(b"300000")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
791 elif (n.endswith('/scaling_cur_freq') and
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
792 n.startswith("/sys/devices/system/cpu/cpufreq/policy1")):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
793 return io.BytesIO(b"400000")
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guerler
parents:
diff changeset
794 elif (n.endswith('/scaling_min_freq') and
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guerler
parents:
diff changeset
795 n.startswith("/sys/devices/system/cpu/cpufreq/policy1")):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
796 return io.BytesIO(b"500000")
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guerler
parents:
diff changeset
797 elif (n.endswith('/scaling_max_freq') and
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
798 n.startswith("/sys/devices/system/cpu/cpufreq/policy1")):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
799 return io.BytesIO(b"600000")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
800 elif name == '/proc/cpuinfo':
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
801 return io.BytesIO(b"cpu MHz : 100\n"
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guerler
parents:
diff changeset
802 b"cpu MHz : 400")
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guerler
parents:
diff changeset
803 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
804 return orig_open(name, *args, **kwargs)
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guerler
parents:
diff changeset
805
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
806 orig_open = open
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
807 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
808 with mock.patch(patch_point, side_effect=open_mock):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
809 with mock.patch('os.path.exists', return_value=True):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
810 with mock.patch('psutil._pslinux.cpu_count_logical',
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
811 return_value=2):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
812 freq = psutil.cpu_freq(percpu=True)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
813 self.assertEqual(freq[0].current, 100.0)
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guerler
parents:
diff changeset
814 if freq[0].min != 0.0:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
815 self.assertEqual(freq[0].min, 200.0)
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guerler
parents:
diff changeset
816 if freq[0].max != 0.0:
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guerler
parents:
diff changeset
817 self.assertEqual(freq[0].max, 300.0)
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guerler
parents:
diff changeset
818 self.assertEqual(freq[1].current, 400.0)
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guerler
parents:
diff changeset
819 if freq[1].min != 0.0:
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guerler
parents:
diff changeset
820 self.assertEqual(freq[1].min, 500.0)
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guerler
parents:
diff changeset
821 if freq[1].max != 0.0:
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guerler
parents:
diff changeset
822 self.assertEqual(freq[1].max, 600.0)
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guerler
parents:
diff changeset
823
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
824 @unittest.skipIf(TRAVIS, "fails on Travis")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
825 @unittest.skipIf(not HAS_CPU_FREQ, "not supported")
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guerler
parents:
diff changeset
826 def test_emulate_no_scaling_cur_freq_file(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
827 # See: https://github.com/giampaolo/psutil/issues/1071
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guerler
parents:
diff changeset
828 def open_mock(name, *args, **kwargs):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
829 if name.endswith('/scaling_cur_freq'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
830 raise IOError(errno.ENOENT, "")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
831 elif name.endswith('/cpuinfo_cur_freq'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
832 return io.BytesIO(b"200000")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
833 elif name == '/proc/cpuinfo':
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
834 return io.BytesIO(b"cpu MHz : 200")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
835 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
836 return orig_open(name, *args, **kwargs)
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guerler
parents:
diff changeset
837
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
838 orig_open = open
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
839 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
840 with mock.patch(patch_point, side_effect=open_mock):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
841 with mock.patch('os.path.exists', return_value=True):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
842 with mock.patch('psutil._pslinux.cpu_count_logical',
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
843 return_value=1):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
844 freq = psutil.cpu_freq()
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guerler
parents:
diff changeset
845 self.assertEqual(freq.current, 200)
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guerler
parents:
diff changeset
846
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
847
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
848 @unittest.skipIf(not LINUX, "LINUX only")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
849 class TestSystemCPUStats(PsutilTestCase):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
850
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
851 @unittest.skipIf(TRAVIS, "fails on Travis")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
852 def test_ctx_switches(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
853 vmstat_value = vmstat("context switches")
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guerler
parents:
diff changeset
854 psutil_value = psutil.cpu_stats().ctx_switches
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guerler
parents:
diff changeset
855 self.assertAlmostEqual(vmstat_value, psutil_value, delta=500)
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guerler
parents:
diff changeset
856
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
857 @unittest.skipIf(TRAVIS, "fails on Travis")
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guerler
parents:
diff changeset
858 def test_interrupts(self):
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guerler
parents:
diff changeset
859 vmstat_value = vmstat("interrupts")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
860 psutil_value = psutil.cpu_stats().interrupts
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
861 self.assertAlmostEqual(vmstat_value, psutil_value, delta=500)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
862
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
863
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
864 @unittest.skipIf(not LINUX, "LINUX only")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
865 class TestLoadAvg(PsutilTestCase):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
866
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
867 @unittest.skipIf(not HAS_GETLOADAVG, "not supported")
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guerler
parents:
diff changeset
868 def test_getloadavg(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
869 psutil_value = psutil.getloadavg()
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guerler
parents:
diff changeset
870 with open("/proc/loadavg", "r") as f:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
871 proc_value = f.read().split()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
872
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
873 self.assertAlmostEqual(float(proc_value[0]), psutil_value[0], delta=1)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
874 self.assertAlmostEqual(float(proc_value[1]), psutil_value[1], delta=1)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
875 self.assertAlmostEqual(float(proc_value[2]), psutil_value[2], delta=1)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
876
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
877
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
878 # =====================================================================
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
879 # --- system network
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
880 # =====================================================================
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guerler
parents:
diff changeset
881
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
882
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
883 @unittest.skipIf(not LINUX, "LINUX only")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
884 class TestSystemNetIfAddrs(PsutilTestCase):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
885
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
886 def test_ips(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
887 for name, addrs in psutil.net_if_addrs().items():
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
888 for addr in addrs:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
889 if addr.family == psutil.AF_LINK:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
890 self.assertEqual(addr.address, get_mac_address(name))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
891 elif addr.family == socket.AF_INET:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
892 self.assertEqual(addr.address, get_ipv4_address(name))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
893 # TODO: test for AF_INET6 family
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
894
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
895 # XXX - not reliable when having virtual NICs installed by Docker.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
896 # @unittest.skipIf(not which('ip'), "'ip' utility not available")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
897 # @unittest.skipIf(TRAVIS, "skipped on Travis")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
898 # def test_net_if_names(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
899 # out = sh("ip addr").strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
900 # nics = [x for x in psutil.net_if_addrs().keys() if ':' not in x]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
901 # found = 0
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
902 # for line in out.split('\n'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
903 # line = line.strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
904 # if re.search(r"^\d+:", line):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
905 # found += 1
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
906 # name = line.split(':')[1].strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
907 # self.assertIn(name, nics)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
908 # self.assertEqual(len(nics), found, msg="%s\n---\n%s" % (
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
909 # pprint.pformat(nics), out))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
910
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
911
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
912 @unittest.skipIf(not LINUX, "LINUX only")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
913 class TestSystemNetIfStats(PsutilTestCase):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
914
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
915 def test_against_ifconfig(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
916 for name, stats in psutil.net_if_stats().items():
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
917 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
918 out = sh("ifconfig %s" % name)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
919 except RuntimeError:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
920 pass
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
921 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
922 # Not always reliable.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
923 # self.assertEqual(stats.isup, 'RUNNING' in out, msg=out)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
924 self.assertEqual(stats.mtu,
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
925 int(re.findall(r'(?i)MTU[: ](\d+)', out)[0]))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
926
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
927
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
928 @unittest.skipIf(not LINUX, "LINUX only")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
929 class TestSystemNetIOCounters(PsutilTestCase):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
930
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
931 @retry_on_failure()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
932 def test_against_ifconfig(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
933 def ifconfig(nic):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
934 ret = {}
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
935 out = sh("ifconfig %s" % name)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
936 ret['packets_recv'] = int(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
937 re.findall(r'RX packets[: ](\d+)', out)[0])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
938 ret['packets_sent'] = int(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
939 re.findall(r'TX packets[: ](\d+)', out)[0])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
940 ret['errin'] = int(re.findall(r'errors[: ](\d+)', out)[0])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
941 ret['errout'] = int(re.findall(r'errors[: ](\d+)', out)[1])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
942 ret['dropin'] = int(re.findall(r'dropped[: ](\d+)', out)[0])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
943 ret['dropout'] = int(re.findall(r'dropped[: ](\d+)', out)[1])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
944 ret['bytes_recv'] = int(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
945 re.findall(r'RX (?:packets \d+ +)?bytes[: ](\d+)', out)[0])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
946 ret['bytes_sent'] = int(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
947 re.findall(r'TX (?:packets \d+ +)?bytes[: ](\d+)', out)[0])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
948 return ret
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
949
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
950 nio = psutil.net_io_counters(pernic=True, nowrap=False)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
951 for name, stats in nio.items():
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
952 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
953 ifconfig_ret = ifconfig(name)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
954 except RuntimeError:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
955 continue
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
956 self.assertAlmostEqual(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
957 stats.bytes_recv, ifconfig_ret['bytes_recv'], delta=1024 * 5)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
958 self.assertAlmostEqual(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
959 stats.bytes_sent, ifconfig_ret['bytes_sent'], delta=1024 * 5)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
960 self.assertAlmostEqual(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
961 stats.packets_recv, ifconfig_ret['packets_recv'], delta=1024)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
962 self.assertAlmostEqual(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
963 stats.packets_sent, ifconfig_ret['packets_sent'], delta=1024)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
964 self.assertAlmostEqual(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
965 stats.errin, ifconfig_ret['errin'], delta=10)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
966 self.assertAlmostEqual(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
967 stats.errout, ifconfig_ret['errout'], delta=10)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
968 self.assertAlmostEqual(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
969 stats.dropin, ifconfig_ret['dropin'], delta=10)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
970 self.assertAlmostEqual(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
971 stats.dropout, ifconfig_ret['dropout'], delta=10)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
972
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
973
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
974 @unittest.skipIf(not LINUX, "LINUX only")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
975 class TestSystemNetConnections(PsutilTestCase):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
976
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
977 @mock.patch('psutil._pslinux.socket.inet_ntop', side_effect=ValueError)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
978 @mock.patch('psutil._pslinux.supports_ipv6', return_value=False)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
979 def test_emulate_ipv6_unsupported(self, supports_ipv6, inet_ntop):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
980 # see: https://github.com/giampaolo/psutil/issues/623
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
981 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
982 s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
983 self.addCleanup(s.close)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
984 s.bind(("::1", 0))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
985 except socket.error:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
986 pass
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
987 psutil.net_connections(kind='inet6')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
988
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
989 def test_emulate_unix(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
990 with mock_open_content(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
991 '/proc/net/unix',
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
992 textwrap.dedent("""\
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
993 0: 00000003 000 000 0001 03 462170 @/tmp/dbus-Qw2hMPIU3n
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
994 0: 00000003 000 000 0001 03 35010 @/tmp/dbus-tB2X8h69BQ
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
995 0: 00000003 000 000 0001 03 34424 @/tmp/dbus-cHy80Y8O
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
996 000000000000000000000000000000000000000000000000000000
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
997 """)) as m:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
998 psutil.net_connections(kind='unix')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
999 assert m.called
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1000
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1001
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1002 # =====================================================================
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1003 # --- system disks
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1004 # =====================================================================
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1005
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1006
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1007 @unittest.skipIf(not LINUX, "LINUX only")
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1008 class TestSystemDiskPartitions(PsutilTestCase):
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1009
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1010 @unittest.skipIf(not hasattr(os, 'statvfs'), "os.statvfs() not available")
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1011 @skip_on_not_implemented()
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1012 def test_against_df(self):
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1013 # test psutil.disk_usage() and psutil.disk_partitions()
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1014 # against "df -a"
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1015 def df(path):
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1016 out = sh('df -P -B 1 "%s"' % path).strip()
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1017 lines = out.split('\n')
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1018 lines.pop(0)
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1019 line = lines.pop(0)
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1020 dev, total, used, free = line.split()[:4]
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1021 if dev == 'none':
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1022 dev = ''
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1023 total, used, free = int(total), int(used), int(free)
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1024 return dev, total, used, free
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1025
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1026 for part in psutil.disk_partitions(all=False):
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1027 usage = psutil.disk_usage(part.mountpoint)
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1028 dev, total, used, free = df(part.mountpoint)
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1029 self.assertEqual(usage.total, total)
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1030 self.assertAlmostEqual(usage.free, free,
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1031 delta=TOLERANCE_DISK_USAGE)
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1032 self.assertAlmostEqual(usage.used, used,
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1033 delta=TOLERANCE_DISK_USAGE)
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1034
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1035 def test_zfs_fs(self):
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1036 # Test that ZFS partitions are returned.
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1037 with open("/proc/filesystems", "r") as f:
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1038 data = f.read()
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1039 if 'zfs' in data:
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1040 for part in psutil.disk_partitions():
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1041 if part.fstype == 'zfs':
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1042 break
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1043 else:
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1044 self.fail("couldn't find any ZFS partition")
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1045 else:
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1046 # No ZFS partitions on this system. Let's fake one.
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1047 fake_file = io.StringIO(u("nodev\tzfs\n"))
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1048 with mock.patch('psutil._common.open',
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1049 return_value=fake_file, create=True) as m1:
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1050 with mock.patch(
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1051 'psutil._pslinux.cext.disk_partitions',
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1052 return_value=[('/dev/sdb3', '/', 'zfs', 'rw')]) as m2:
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1053 ret = psutil.disk_partitions()
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1054 assert m1.called
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1055 assert m2.called
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1056 assert ret
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1057 self.assertEqual(ret[0].fstype, 'zfs')
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1058
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1059 def test_emulate_realpath_fail(self):
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1060 # See: https://github.com/giampaolo/psutil/issues/1307
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1061 try:
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1062 with mock.patch('os.path.realpath',
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1063 return_value='/non/existent') as m:
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1064 with self.assertRaises(FileNotFoundError):
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1065 psutil.disk_partitions()
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1066 assert m.called
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1067 finally:
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1068 psutil.PROCFS_PATH = "/proc"
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1069
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1070
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1071 @unittest.skipIf(not LINUX, "LINUX only")
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1072 class TestSystemDiskIoCounters(PsutilTestCase):
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1073
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1074 def test_emulate_kernel_2_4(self):
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1075 # Tests /proc/diskstats parsing format for 2.4 kernels, see:
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1076 # https://github.com/giampaolo/psutil/issues/767
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1077 with mock_open_content(
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1078 '/proc/diskstats',
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1079 " 3 0 1 hda 2 3 4 5 6 7 8 9 10 11 12"):
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1080 with mock.patch('psutil._pslinux.is_storage_device',
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1081 return_value=True):
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1082 ret = psutil.disk_io_counters(nowrap=False)
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1083 self.assertEqual(ret.read_count, 1)
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1084 self.assertEqual(ret.read_merged_count, 2)
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1085 self.assertEqual(ret.read_bytes, 3 * SECTOR_SIZE)
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1086 self.assertEqual(ret.read_time, 4)
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1087 self.assertEqual(ret.write_count, 5)
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1088 self.assertEqual(ret.write_merged_count, 6)
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1089 self.assertEqual(ret.write_bytes, 7 * SECTOR_SIZE)
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1090 self.assertEqual(ret.write_time, 8)
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1091 self.assertEqual(ret.busy_time, 10)
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1092
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1093 def test_emulate_kernel_2_6_full(self):
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1094 # Tests /proc/diskstats parsing format for 2.6 kernels,
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1095 # lines reporting all metrics:
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1096 # https://github.com/giampaolo/psutil/issues/767
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1097 with mock_open_content(
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1098 '/proc/diskstats',
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1099 " 3 0 hda 1 2 3 4 5 6 7 8 9 10 11"):
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1100 with mock.patch('psutil._pslinux.is_storage_device',
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1101 return_value=True):
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1102 ret = psutil.disk_io_counters(nowrap=False)
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1103 self.assertEqual(ret.read_count, 1)
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1104 self.assertEqual(ret.read_merged_count, 2)
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1105 self.assertEqual(ret.read_bytes, 3 * SECTOR_SIZE)
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1106 self.assertEqual(ret.read_time, 4)
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1107 self.assertEqual(ret.write_count, 5)
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1108 self.assertEqual(ret.write_merged_count, 6)
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1109 self.assertEqual(ret.write_bytes, 7 * SECTOR_SIZE)
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1110 self.assertEqual(ret.write_time, 8)
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1111 self.assertEqual(ret.busy_time, 10)
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1112
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1113 def test_emulate_kernel_2_6_limited(self):
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1114 # Tests /proc/diskstats parsing format for 2.6 kernels,
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1115 # where one line of /proc/partitions return a limited
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1116 # amount of metrics when it bumps into a partition
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1117 # (instead of a disk). See:
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1118 # https://github.com/giampaolo/psutil/issues/767
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1119 with mock_open_content(
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1120 '/proc/diskstats',
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1121 " 3 1 hda 1 2 3 4"):
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1122 with mock.patch('psutil._pslinux.is_storage_device',
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1123 return_value=True):
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1124 ret = psutil.disk_io_counters(nowrap=False)
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diff changeset
1125 self.assertEqual(ret.read_count, 1)
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diff changeset
1126 self.assertEqual(ret.read_bytes, 2 * SECTOR_SIZE)
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parents:
diff changeset
1127 self.assertEqual(ret.write_count, 3)
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parents:
diff changeset
1128 self.assertEqual(ret.write_bytes, 4 * SECTOR_SIZE)
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parents:
diff changeset
1129
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parents:
diff changeset
1130 self.assertEqual(ret.read_merged_count, 0)
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parents:
diff changeset
1131 self.assertEqual(ret.read_time, 0)
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parents:
diff changeset
1132 self.assertEqual(ret.write_merged_count, 0)
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diff changeset
1133 self.assertEqual(ret.write_time, 0)
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diff changeset
1134 self.assertEqual(ret.busy_time, 0)
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parents:
diff changeset
1135
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diff changeset
1136 def test_emulate_include_partitions(self):
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diff changeset
1137 # Make sure that when perdisk=True disk partitions are returned,
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parents:
diff changeset
1138 # see:
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parents:
diff changeset
1139 # https://github.com/giampaolo/psutil/pull/1313#issuecomment-408626842
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diff changeset
1140 with mock_open_content(
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diff changeset
1141 '/proc/diskstats',
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parents:
diff changeset
1142 textwrap.dedent("""\
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parents:
diff changeset
1143 3 0 nvme0n1 1 2 3 4 5 6 7 8 9 10 11
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diff changeset
1144 3 0 nvme0n1p1 1 2 3 4 5 6 7 8 9 10 11
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diff changeset
1145 """)):
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diff changeset
1146 with mock.patch('psutil._pslinux.is_storage_device',
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parents:
diff changeset
1147 return_value=False):
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diff changeset
1148 ret = psutil.disk_io_counters(perdisk=True, nowrap=False)
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diff changeset
1149 self.assertEqual(len(ret), 2)
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diff changeset
1150 self.assertEqual(ret['nvme0n1'].read_count, 1)
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parents:
diff changeset
1151 self.assertEqual(ret['nvme0n1p1'].read_count, 1)
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parents:
diff changeset
1152 self.assertEqual(ret['nvme0n1'].write_count, 5)
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parents:
diff changeset
1153 self.assertEqual(ret['nvme0n1p1'].write_count, 5)
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diff changeset
1154
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diff changeset
1155 def test_emulate_exclude_partitions(self):
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diff changeset
1156 # Make sure that when perdisk=False partitions (e.g. 'sda1',
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parents:
diff changeset
1157 # 'nvme0n1p1') are skipped and not included in the total count.
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parents:
diff changeset
1158 # https://github.com/giampaolo/psutil/pull/1313#issuecomment-408626842
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parents:
diff changeset
1159 with mock_open_content(
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parents:
diff changeset
1160 '/proc/diskstats',
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parents:
diff changeset
1161 textwrap.dedent("""\
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parents:
diff changeset
1162 3 0 nvme0n1 1 2 3 4 5 6 7 8 9 10 11
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parents:
diff changeset
1163 3 0 nvme0n1p1 1 2 3 4 5 6 7 8 9 10 11
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diff changeset
1164 """)):
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diff changeset
1165 with mock.patch('psutil._pslinux.is_storage_device',
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parents:
diff changeset
1166 return_value=False):
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parents:
diff changeset
1167 ret = psutil.disk_io_counters(perdisk=False, nowrap=False)
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parents:
diff changeset
1168 self.assertIsNone(ret)
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diff changeset
1169
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diff changeset
1170 #
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diff changeset
1171 def is_storage_device(name):
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diff changeset
1172 return name == 'nvme0n1'
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diff changeset
1173
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diff changeset
1174 with mock_open_content(
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parents:
diff changeset
1175 '/proc/diskstats',
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parents:
diff changeset
1176 textwrap.dedent("""\
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parents:
diff changeset
1177 3 0 nvme0n1 1 2 3 4 5 6 7 8 9 10 11
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parents:
diff changeset
1178 3 0 nvme0n1p1 1 2 3 4 5 6 7 8 9 10 11
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diff changeset
1179 """)):
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diff changeset
1180 with mock.patch('psutil._pslinux.is_storage_device',
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parents:
diff changeset
1181 create=True, side_effect=is_storage_device):
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parents:
diff changeset
1182 ret = psutil.disk_io_counters(perdisk=False, nowrap=False)
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diff changeset
1183 self.assertEqual(ret.read_count, 1)
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diff changeset
1184 self.assertEqual(ret.write_count, 5)
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diff changeset
1185
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diff changeset
1186 def test_emulate_use_sysfs(self):
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parents:
diff changeset
1187 def exists(path):
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diff changeset
1188 if path == '/proc/diskstats':
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parents:
diff changeset
1189 return False
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diff changeset
1190 return True
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diff changeset
1191
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parents:
diff changeset
1192 wprocfs = psutil.disk_io_counters(perdisk=True)
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parents:
diff changeset
1193 with mock.patch('psutil._pslinux.os.path.exists',
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parents:
diff changeset
1194 create=True, side_effect=exists):
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parents:
diff changeset
1195 wsysfs = psutil.disk_io_counters(perdisk=True)
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guerler
parents:
diff changeset
1196 self.assertEqual(len(wprocfs), len(wsysfs))
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parents:
diff changeset
1197
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parents:
diff changeset
1198 def test_emulate_not_impl(self):
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parents:
diff changeset
1199 def exists(path):
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diff changeset
1200 return False
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parents:
diff changeset
1201
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parents:
diff changeset
1202 with mock.patch('psutil._pslinux.os.path.exists',
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1203 create=True, side_effect=exists):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1204 self.assertRaises(NotImplementedError, psutil.disk_io_counters)
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guerler
parents:
diff changeset
1205
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parents:
diff changeset
1206
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parents:
diff changeset
1207 # =====================================================================
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parents:
diff changeset
1208 # --- misc
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parents:
diff changeset
1209 # =====================================================================
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parents:
diff changeset
1210
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parents:
diff changeset
1211
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guerler
parents:
diff changeset
1212 @unittest.skipIf(not LINUX, "LINUX only")
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guerler
parents:
diff changeset
1213 class TestMisc(PsutilTestCase):
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guerler
parents:
diff changeset
1214
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parents:
diff changeset
1215 def test_boot_time(self):
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guerler
parents:
diff changeset
1216 vmstat_value = vmstat('boot time')
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guerler
parents:
diff changeset
1217 psutil_value = psutil.boot_time()
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guerler
parents:
diff changeset
1218 self.assertEqual(int(vmstat_value), int(psutil_value))
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guerler
parents:
diff changeset
1219
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guerler
parents:
diff changeset
1220 def test_no_procfs_on_import(self):
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guerler
parents:
diff changeset
1221 my_procfs = self.get_testfn()
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guerler
parents:
diff changeset
1222 os.mkdir(my_procfs)
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guerler
parents:
diff changeset
1223
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guerler
parents:
diff changeset
1224 with open(os.path.join(my_procfs, 'stat'), 'w') as f:
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guerler
parents:
diff changeset
1225 f.write('cpu 0 0 0 0 0 0 0 0 0 0\n')
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guerler
parents:
diff changeset
1226 f.write('cpu0 0 0 0 0 0 0 0 0 0 0\n')
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guerler
parents:
diff changeset
1227 f.write('cpu1 0 0 0 0 0 0 0 0 0 0\n')
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guerler
parents:
diff changeset
1228
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guerler
parents:
diff changeset
1229 try:
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guerler
parents:
diff changeset
1230 orig_open = open
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guerler
parents:
diff changeset
1231
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guerler
parents:
diff changeset
1232 def open_mock(name, *args, **kwargs):
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guerler
parents:
diff changeset
1233 if name.startswith('/proc'):
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guerler
parents:
diff changeset
1234 raise IOError(errno.ENOENT, 'rejecting access for test')
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guerler
parents:
diff changeset
1235 return orig_open(name, *args, **kwargs)
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guerler
parents:
diff changeset
1236
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guerler
parents:
diff changeset
1237 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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guerler
parents:
diff changeset
1238 with mock.patch(patch_point, side_effect=open_mock):
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guerler
parents:
diff changeset
1239 reload_module(psutil)
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guerler
parents:
diff changeset
1240
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guerler
parents:
diff changeset
1241 self.assertRaises(IOError, psutil.cpu_times)
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guerler
parents:
diff changeset
1242 self.assertRaises(IOError, psutil.cpu_times, percpu=True)
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guerler
parents:
diff changeset
1243 self.assertRaises(IOError, psutil.cpu_percent)
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guerler
parents:
diff changeset
1244 self.assertRaises(IOError, psutil.cpu_percent, percpu=True)
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guerler
parents:
diff changeset
1245 self.assertRaises(IOError, psutil.cpu_times_percent)
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guerler
parents:
diff changeset
1246 self.assertRaises(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1247 IOError, psutil.cpu_times_percent, percpu=True)
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diff changeset
1248
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parents:
diff changeset
1249 psutil.PROCFS_PATH = my_procfs
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parents:
diff changeset
1250
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parents:
diff changeset
1251 self.assertEqual(psutil.cpu_percent(), 0)
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guerler
parents:
diff changeset
1252 self.assertEqual(sum(psutil.cpu_times_percent()), 0)
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parents:
diff changeset
1253
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parents:
diff changeset
1254 # since we don't know the number of CPUs at import time,
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guerler
parents:
diff changeset
1255 # we awkwardly say there are none until the second call
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parents:
diff changeset
1256 per_cpu_percent = psutil.cpu_percent(percpu=True)
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parents:
diff changeset
1257 self.assertEqual(sum(per_cpu_percent), 0)
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parents:
diff changeset
1258
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parents:
diff changeset
1259 # ditto awkward length
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parents:
diff changeset
1260 per_cpu_times_percent = psutil.cpu_times_percent(percpu=True)
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guerler
parents:
diff changeset
1261 self.assertEqual(sum(map(sum, per_cpu_times_percent)), 0)
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parents:
diff changeset
1262
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parents:
diff changeset
1263 # much user, very busy
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parents:
diff changeset
1264 with open(os.path.join(my_procfs, 'stat'), 'w') as f:
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parents:
diff changeset
1265 f.write('cpu 1 0 0 0 0 0 0 0 0 0\n')
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parents:
diff changeset
1266 f.write('cpu0 1 0 0 0 0 0 0 0 0 0\n')
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diff changeset
1267 f.write('cpu1 1 0 0 0 0 0 0 0 0 0\n')
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diff changeset
1268
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diff changeset
1269 self.assertNotEqual(psutil.cpu_percent(), 0)
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parents:
diff changeset
1270 self.assertNotEqual(
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parents:
diff changeset
1271 sum(psutil.cpu_percent(percpu=True)), 0)
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guerler
parents:
diff changeset
1272 self.assertNotEqual(sum(psutil.cpu_times_percent()), 0)
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parents:
diff changeset
1273 self.assertNotEqual(
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diff changeset
1274 sum(map(sum, psutil.cpu_times_percent(percpu=True))), 0)
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diff changeset
1275 finally:
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diff changeset
1276 shutil.rmtree(my_procfs)
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parents:
diff changeset
1277 reload_module(psutil)
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diff changeset
1278
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diff changeset
1279 self.assertEqual(psutil.PROCFS_PATH, '/proc')
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diff changeset
1280
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diff changeset
1281 def test_cpu_steal_decrease(self):
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diff changeset
1282 # Test cumulative cpu stats decrease. We should ignore this.
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parents:
diff changeset
1283 # See issue #1210.
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parents:
diff changeset
1284 with mock_open_content(
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parents:
diff changeset
1285 "/proc/stat",
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parents:
diff changeset
1286 textwrap.dedent("""\
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parents:
diff changeset
1287 cpu 0 0 0 0 0 0 0 1 0 0
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parents:
diff changeset
1288 cpu0 0 0 0 0 0 0 0 1 0 0
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diff changeset
1289 cpu1 0 0 0 0 0 0 0 1 0 0
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diff changeset
1290 """).encode()) as m:
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parents:
diff changeset
1291 # first call to "percent" functions should read the new stat file
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parents:
diff changeset
1292 # and compare to the "real" file read at import time - so the
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parents:
diff changeset
1293 # values are meaningless
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diff changeset
1294 psutil.cpu_percent()
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parents:
diff changeset
1295 assert m.called
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diff changeset
1296 psutil.cpu_percent(percpu=True)
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parents:
diff changeset
1297 psutil.cpu_times_percent()
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parents:
diff changeset
1298 psutil.cpu_times_percent(percpu=True)
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diff changeset
1299
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diff changeset
1300 with mock_open_content(
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diff changeset
1301 "/proc/stat",
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diff changeset
1302 textwrap.dedent("""\
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diff changeset
1303 cpu 1 0 0 0 0 0 0 0 0 0
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parents:
diff changeset
1304 cpu0 1 0 0 0 0 0 0 0 0 0
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diff changeset
1305 cpu1 1 0 0 0 0 0 0 0 0 0
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diff changeset
1306 """).encode()) as m:
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diff changeset
1307 # Increase "user" while steal goes "backwards" to zero.
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diff changeset
1308 cpu_percent = psutil.cpu_percent()
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parents:
diff changeset
1309 assert m.called
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diff changeset
1310 cpu_percent_percpu = psutil.cpu_percent(percpu=True)
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diff changeset
1311 cpu_times_percent = psutil.cpu_times_percent()
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parents:
diff changeset
1312 cpu_times_percent_percpu = psutil.cpu_times_percent(percpu=True)
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diff changeset
1313 self.assertNotEqual(cpu_percent, 0)
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diff changeset
1314 self.assertNotEqual(sum(cpu_percent_percpu), 0)
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diff changeset
1315 self.assertNotEqual(sum(cpu_times_percent), 0)
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diff changeset
1316 self.assertNotEqual(sum(cpu_times_percent), 100.0)
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diff changeset
1317 self.assertNotEqual(sum(map(sum, cpu_times_percent_percpu)), 0)
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diff changeset
1318 self.assertNotEqual(sum(map(sum, cpu_times_percent_percpu)), 100.0)
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diff changeset
1319 self.assertEqual(cpu_times_percent.steal, 0)
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diff changeset
1320 self.assertNotEqual(cpu_times_percent.user, 0)
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diff changeset
1321
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diff changeset
1322 def test_boot_time_mocked(self):
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diff changeset
1323 with mock.patch('psutil._common.open', create=True) as m:
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diff changeset
1324 self.assertRaises(
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diff changeset
1325 RuntimeError,
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diff changeset
1326 psutil._pslinux.boot_time)
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parents:
diff changeset
1327 assert m.called
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diff changeset
1328
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diff changeset
1329 def test_users_mocked(self):
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parents:
diff changeset
1330 # Make sure ':0' and ':0.0' (returned by C ext) are converted
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diff changeset
1331 # to 'localhost'.
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diff changeset
1332 with mock.patch('psutil._pslinux.cext.users',
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parents:
diff changeset
1333 return_value=[('giampaolo', 'pts/2', ':0',
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parents:
diff changeset
1334 1436573184.0, True, 2)]) as m:
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parents:
diff changeset
1335 self.assertEqual(psutil.users()[0].host, 'localhost')
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parents:
diff changeset
1336 assert m.called
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diff changeset
1337 with mock.patch('psutil._pslinux.cext.users',
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parents:
diff changeset
1338 return_value=[('giampaolo', 'pts/2', ':0.0',
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parents:
diff changeset
1339 1436573184.0, True, 2)]) as m:
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parents:
diff changeset
1340 self.assertEqual(psutil.users()[0].host, 'localhost')
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parents:
diff changeset
1341 assert m.called
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diff changeset
1342 # ...otherwise it should be returned as-is
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parents:
diff changeset
1343 with mock.patch('psutil._pslinux.cext.users',
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diff changeset
1344 return_value=[('giampaolo', 'pts/2', 'foo',
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parents:
diff changeset
1345 1436573184.0, True, 2)]) as m:
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parents:
diff changeset
1346 self.assertEqual(psutil.users()[0].host, 'foo')
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parents:
diff changeset
1347 assert m.called
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diff changeset
1348
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diff changeset
1349 def test_procfs_path(self):
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diff changeset
1350 tdir = self.get_testfn()
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diff changeset
1351 os.mkdir(tdir)
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diff changeset
1352 try:
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diff changeset
1353 psutil.PROCFS_PATH = tdir
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parents:
diff changeset
1354 self.assertRaises(IOError, psutil.virtual_memory)
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parents:
diff changeset
1355 self.assertRaises(IOError, psutil.cpu_times)
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parents:
diff changeset
1356 self.assertRaises(IOError, psutil.cpu_times, percpu=True)
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parents:
diff changeset
1357 self.assertRaises(IOError, psutil.boot_time)
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diff changeset
1358 # self.assertRaises(IOError, psutil.pids)
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diff changeset
1359 self.assertRaises(IOError, psutil.net_connections)
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parents:
diff changeset
1360 self.assertRaises(IOError, psutil.net_io_counters)
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parents:
diff changeset
1361 self.assertRaises(IOError, psutil.net_if_stats)
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parents:
diff changeset
1362 # self.assertRaises(IOError, psutil.disk_io_counters)
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diff changeset
1363 self.assertRaises(IOError, psutil.disk_partitions)
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parents:
diff changeset
1364 self.assertRaises(psutil.NoSuchProcess, psutil.Process)
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parents:
diff changeset
1365 finally:
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diff changeset
1366 psutil.PROCFS_PATH = "/proc"
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diff changeset
1367
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diff changeset
1368 @retry_on_failure()
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diff changeset
1369 def test_issue_687(self):
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diff changeset
1370 # In case of thread ID:
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parents:
diff changeset
1371 # - pid_exists() is supposed to return False
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parents:
diff changeset
1372 # - Process(tid) is supposed to work
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parents:
diff changeset
1373 # - pids() should not return the TID
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guerler
parents:
diff changeset
1374 # See: https://github.com/giampaolo/psutil/issues/687
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parents:
diff changeset
1375 t = ThreadTask()
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diff changeset
1376 t.start()
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parents:
diff changeset
1377 try:
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parents:
diff changeset
1378 p = psutil.Process()
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parents:
diff changeset
1379 threads = p.threads()
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parents:
diff changeset
1380 self.assertEqual(len(threads), 2)
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parents:
diff changeset
1381 tid = sorted(threads, key=lambda x: x.id)[1].id
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diff changeset
1382 self.assertNotEqual(p.pid, tid)
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parents:
diff changeset
1383 pt = psutil.Process(tid)
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parents:
diff changeset
1384 pt.as_dict()
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parents:
diff changeset
1385 self.assertNotIn(tid, psutil.pids())
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parents:
diff changeset
1386 finally:
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parents:
diff changeset
1387 t.stop()
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parents:
diff changeset
1388
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parents:
diff changeset
1389 def test_pid_exists_no_proc_status(self):
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guerler
parents:
diff changeset
1390 # Internally pid_exists relies on /proc/{pid}/status.
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parents:
diff changeset
1391 # Emulate a case where this file is empty in which case
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parents:
diff changeset
1392 # psutil is supposed to fall back on using pids().
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parents:
diff changeset
1393 with mock_open_content("/proc/%s/status", "") as m:
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parents:
diff changeset
1394 assert psutil.pid_exists(os.getpid())
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parents:
diff changeset
1395 assert m.called
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parents:
diff changeset
1396
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diff changeset
1397
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diff changeset
1398 # =====================================================================
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parents:
diff changeset
1399 # --- sensors
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parents:
diff changeset
1400 # =====================================================================
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diff changeset
1401
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diff changeset
1402
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parents:
diff changeset
1403 @unittest.skipIf(not LINUX, "LINUX only")
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parents:
diff changeset
1404 @unittest.skipIf(not HAS_BATTERY, "no battery")
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diff changeset
1405 class TestSensorsBattery(PsutilTestCase):
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parents:
diff changeset
1406
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parents:
diff changeset
1407 @unittest.skipIf(not which("acpi"), "acpi utility not available")
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parents:
diff changeset
1408 def test_percent(self):
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parents:
diff changeset
1409 out = sh("acpi -b")
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parents:
diff changeset
1410 acpi_value = int(out.split(",")[1].strip().replace('%', ''))
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parents:
diff changeset
1411 psutil_value = psutil.sensors_battery().percent
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parents:
diff changeset
1412 self.assertAlmostEqual(acpi_value, psutil_value, delta=1)
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diff changeset
1413
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parents:
diff changeset
1414 @unittest.skipIf(not which("acpi"), "acpi utility not available")
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parents:
diff changeset
1415 def test_power_plugged(self):
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parents:
diff changeset
1416 out = sh("acpi -b")
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parents:
diff changeset
1417 if 'unknown' in out.lower():
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parents:
diff changeset
1418 return unittest.skip("acpi output not reliable")
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parents:
diff changeset
1419 if 'discharging at zero rate' in out:
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parents:
diff changeset
1420 plugged = True
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diff changeset
1421 else:
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parents:
diff changeset
1422 plugged = "Charging" in out.split('\n')[0]
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parents:
diff changeset
1423 self.assertEqual(psutil.sensors_battery().power_plugged, plugged)
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diff changeset
1424
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parents:
diff changeset
1425 def test_emulate_power_plugged(self):
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guerler
parents:
diff changeset
1426 # Pretend the AC power cable is connected.
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parents:
diff changeset
1427 def open_mock(name, *args, **kwargs):
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parents:
diff changeset
1428 if name.endswith("AC0/online") or name.endswith("AC/online"):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1429 return io.BytesIO(b"1")
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parents:
diff changeset
1430 else:
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parents:
diff changeset
1431 return orig_open(name, *args, **kwargs)
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parents:
diff changeset
1432
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parents:
diff changeset
1433 orig_open = open
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parents:
diff changeset
1434 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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parents:
diff changeset
1435 with mock.patch(patch_point, side_effect=open_mock) as m:
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guerler
parents:
diff changeset
1436 self.assertEqual(psutil.sensors_battery().power_plugged, True)
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parents:
diff changeset
1437 self.assertEqual(
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parents:
diff changeset
1438 psutil.sensors_battery().secsleft, psutil.POWER_TIME_UNLIMITED)
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parents:
diff changeset
1439 assert m.called
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parents:
diff changeset
1440
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parents:
diff changeset
1441 def test_emulate_power_plugged_2(self):
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guerler
parents:
diff changeset
1442 # Same as above but pretend /AC0/online does not exist in which
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guerler
parents:
diff changeset
1443 # case code relies on /status file.
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parents:
diff changeset
1444 def open_mock(name, *args, **kwargs):
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parents:
diff changeset
1445 if name.endswith("AC0/online") or name.endswith("AC/online"):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1446 raise IOError(errno.ENOENT, "")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1447 elif name.endswith("/status"):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1448 return io.StringIO(u("charging"))
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parents:
diff changeset
1449 else:
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guerler
parents:
diff changeset
1450 return orig_open(name, *args, **kwargs)
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parents:
diff changeset
1451
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guerler
parents:
diff changeset
1452 orig_open = open
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parents:
diff changeset
1453 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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guerler
parents:
diff changeset
1454 with mock.patch(patch_point, side_effect=open_mock) as m:
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guerler
parents:
diff changeset
1455 self.assertEqual(psutil.sensors_battery().power_plugged, True)
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guerler
parents:
diff changeset
1456 assert m.called
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guerler
parents:
diff changeset
1457
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guerler
parents:
diff changeset
1458 def test_emulate_power_not_plugged(self):
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guerler
parents:
diff changeset
1459 # Pretend the AC power cable is not connected.
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guerler
parents:
diff changeset
1460 def open_mock(name, *args, **kwargs):
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guerler
parents:
diff changeset
1461 if name.endswith("AC0/online") or name.endswith("AC/online"):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1462 return io.BytesIO(b"0")
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parents:
diff changeset
1463 else:
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guerler
parents:
diff changeset
1464 return orig_open(name, *args, **kwargs)
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guerler
parents:
diff changeset
1465
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guerler
parents:
diff changeset
1466 orig_open = open
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guerler
parents:
diff changeset
1467 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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guerler
parents:
diff changeset
1468 with mock.patch(patch_point, side_effect=open_mock) as m:
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guerler
parents:
diff changeset
1469 self.assertEqual(psutil.sensors_battery().power_plugged, False)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1470 assert m.called
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1471
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1472 def test_emulate_power_not_plugged_2(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1473 # Same as above but pretend /AC0/online does not exist in which
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1474 # case code relies on /status file.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1475 def open_mock(name, *args, **kwargs):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1476 if name.endswith("AC0/online") or name.endswith("AC/online"):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1477 raise IOError(errno.ENOENT, "")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1478 elif name.endswith("/status"):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1479 return io.StringIO(u("discharging"))
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guerler
parents:
diff changeset
1480 else:
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guerler
parents:
diff changeset
1481 return orig_open(name, *args, **kwargs)
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guerler
parents:
diff changeset
1482
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guerler
parents:
diff changeset
1483 orig_open = open
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guerler
parents:
diff changeset
1484 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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guerler
parents:
diff changeset
1485 with mock.patch(patch_point, side_effect=open_mock) as m:
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guerler
parents:
diff changeset
1486 self.assertEqual(psutil.sensors_battery().power_plugged, False)
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guerler
parents:
diff changeset
1487 assert m.called
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guerler
parents:
diff changeset
1488
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guerler
parents:
diff changeset
1489 def test_emulate_power_undetermined(self):
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guerler
parents:
diff changeset
1490 # Pretend we can't know whether the AC power cable not
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guerler
parents:
diff changeset
1491 # connected (assert fallback to False).
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parents:
diff changeset
1492 def open_mock(name, *args, **kwargs):
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parents:
diff changeset
1493 if name.startswith("/sys/class/power_supply/AC0/online") or \
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1494 name.startswith("/sys/class/power_supply/AC/online"):
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guerler
parents:
diff changeset
1495 raise IOError(errno.ENOENT, "")
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guerler
parents:
diff changeset
1496 elif name.startswith("/sys/class/power_supply/BAT0/status"):
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guerler
parents:
diff changeset
1497 return io.BytesIO(b"???")
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parents:
diff changeset
1498 else:
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parents:
diff changeset
1499 return orig_open(name, *args, **kwargs)
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parents:
diff changeset
1500
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parents:
diff changeset
1501 orig_open = open
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parents:
diff changeset
1502 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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parents:
diff changeset
1503 with mock.patch(patch_point, side_effect=open_mock) as m:
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guerler
parents:
diff changeset
1504 self.assertIsNone(psutil.sensors_battery().power_plugged)
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guerler
parents:
diff changeset
1505 assert m.called
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parents:
diff changeset
1506
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parents:
diff changeset
1507 def test_emulate_no_base_files(self):
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guerler
parents:
diff changeset
1508 # Emulate a case where base metrics files are not present,
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guerler
parents:
diff changeset
1509 # in which case we're supposed to get None.
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parents:
diff changeset
1510 with mock_open_exception(
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parents:
diff changeset
1511 "/sys/class/power_supply/BAT0/energy_now",
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guerler
parents:
diff changeset
1512 IOError(errno.ENOENT, "")):
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guerler
parents:
diff changeset
1513 with mock_open_exception(
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guerler
parents:
diff changeset
1514 "/sys/class/power_supply/BAT0/charge_now",
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guerler
parents:
diff changeset
1515 IOError(errno.ENOENT, "")):
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guerler
parents:
diff changeset
1516 self.assertIsNone(psutil.sensors_battery())
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parents:
diff changeset
1517
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parents:
diff changeset
1518 def test_emulate_energy_full_0(self):
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guerler
parents:
diff changeset
1519 # Emulate a case where energy_full files returns 0.
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guerler
parents:
diff changeset
1520 with mock_open_content(
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parents:
diff changeset
1521 "/sys/class/power_supply/BAT0/energy_full", b"0") as m:
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guerler
parents:
diff changeset
1522 self.assertEqual(psutil.sensors_battery().percent, 0)
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guerler
parents:
diff changeset
1523 assert m.called
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parents:
diff changeset
1524
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parents:
diff changeset
1525 def test_emulate_energy_full_not_avail(self):
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guerler
parents:
diff changeset
1526 # Emulate a case where energy_full file does not exist.
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guerler
parents:
diff changeset
1527 # Expected fallback on /capacity.
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guerler
parents:
diff changeset
1528 with mock_open_exception(
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guerler
parents:
diff changeset
1529 "/sys/class/power_supply/BAT0/energy_full",
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guerler
parents:
diff changeset
1530 IOError(errno.ENOENT, "")):
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guerler
parents:
diff changeset
1531 with mock_open_exception(
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guerler
parents:
diff changeset
1532 "/sys/class/power_supply/BAT0/charge_full",
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guerler
parents:
diff changeset
1533 IOError(errno.ENOENT, "")):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1534 with mock_open_content(
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guerler
parents:
diff changeset
1535 "/sys/class/power_supply/BAT0/capacity", b"88"):
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guerler
parents:
diff changeset
1536 self.assertEqual(psutil.sensors_battery().percent, 88)
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guerler
parents:
diff changeset
1537
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parents:
diff changeset
1538 def test_emulate_no_power(self):
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guerler
parents:
diff changeset
1539 # Emulate a case where /AC0/online file nor /BAT0/status exist.
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guerler
parents:
diff changeset
1540 with mock_open_exception(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1541 "/sys/class/power_supply/AC/online",
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1542 IOError(errno.ENOENT, "")):
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guerler
parents:
diff changeset
1543 with mock_open_exception(
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parents:
diff changeset
1544 "/sys/class/power_supply/AC0/online",
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1545 IOError(errno.ENOENT, "")):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1546 with mock_open_exception(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
1547 "/sys/class/power_supply/BAT0/status",
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1548 IOError(errno.ENOENT, "")):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1549 self.assertIsNone(psutil.sensors_battery().power_plugged)
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guerler
parents:
diff changeset
1550
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parents:
diff changeset
1551
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parents:
diff changeset
1552 @unittest.skipIf(not LINUX, "LINUX only")
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guerler
parents:
diff changeset
1553 class TestSensorsTemperatures(PsutilTestCase):
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parents:
diff changeset
1554
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parents:
diff changeset
1555 def test_emulate_class_hwmon(self):
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parents:
diff changeset
1556 def open_mock(name, *args, **kwargs):
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guerler
parents:
diff changeset
1557 if name.endswith('/name'):
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guerler
parents:
diff changeset
1558 return io.StringIO(u("name"))
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guerler
parents:
diff changeset
1559 elif name.endswith('/temp1_label'):
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guerler
parents:
diff changeset
1560 return io.StringIO(u("label"))
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guerler
parents:
diff changeset
1561 elif name.endswith('/temp1_input'):
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guerler
parents:
diff changeset
1562 return io.BytesIO(b"30000")
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guerler
parents:
diff changeset
1563 elif name.endswith('/temp1_max'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1564 return io.BytesIO(b"40000")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1565 elif name.endswith('/temp1_crit'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1566 return io.BytesIO(b"50000")
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guerler
parents:
diff changeset
1567 else:
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guerler
parents:
diff changeset
1568 return orig_open(name, *args, **kwargs)
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guerler
parents:
diff changeset
1569
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guerler
parents:
diff changeset
1570 orig_open = open
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guerler
parents:
diff changeset
1571 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1572 with mock.patch(patch_point, side_effect=open_mock):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1573 # Test case with /sys/class/hwmon
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1574 with mock.patch('glob.glob',
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1575 return_value=['/sys/class/hwmon/hwmon0/temp1']):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1576 temp = psutil.sensors_temperatures()['name'][0]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1577 self.assertEqual(temp.label, 'label')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1578 self.assertEqual(temp.current, 30.0)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1579 self.assertEqual(temp.high, 40.0)
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guerler
parents:
diff changeset
1580 self.assertEqual(temp.critical, 50.0)
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guerler
parents:
diff changeset
1581
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1582 def test_emulate_class_thermal(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1583 def open_mock(name, *args, **kwargs):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1584 if name.endswith('0_temp'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1585 return io.BytesIO(b"50000")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1586 elif name.endswith('temp'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1587 return io.BytesIO(b"30000")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1588 elif name.endswith('0_type'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1589 return io.StringIO(u("critical"))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1590 elif name.endswith('type'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1591 return io.StringIO(u("name"))
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guerler
parents:
diff changeset
1592 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1593 return orig_open(name, *args, **kwargs)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1594
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1595 def glob_mock(path):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1596 if path == '/sys/class/hwmon/hwmon*/temp*_*':
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1597 return []
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1598 elif path == '/sys/class/hwmon/hwmon*/device/temp*_*':
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1599 return []
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1600 elif path == '/sys/class/thermal/thermal_zone*':
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1601 return ['/sys/class/thermal/thermal_zone0']
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1602 elif path == '/sys/class/thermal/thermal_zone0/trip_point*':
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1603 return ['/sys/class/thermal/thermal_zone1/trip_point_0_type',
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1604 '/sys/class/thermal/thermal_zone1/trip_point_0_temp']
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1605 return []
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guerler
parents:
diff changeset
1606
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1607 orig_open = open
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1608 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1609 with mock.patch(patch_point, side_effect=open_mock):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1610 with mock.patch('glob.glob', create=True, side_effect=glob_mock):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1611 temp = psutil.sensors_temperatures()['name'][0]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
1612 self.assertEqual(temp.label, '')
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diff changeset
1613 self.assertEqual(temp.current, 30.0)
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diff changeset
1614 self.assertEqual(temp.high, 50.0)
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parents:
diff changeset
1615 self.assertEqual(temp.critical, 50.0)
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diff changeset
1616
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diff changeset
1617
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diff changeset
1618 @unittest.skipIf(not LINUX, "LINUX only")
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parents:
diff changeset
1619 class TestSensorsFans(PsutilTestCase):
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diff changeset
1620
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diff changeset
1621 def test_emulate_data(self):
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diff changeset
1622 def open_mock(name, *args, **kwargs):
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parents:
diff changeset
1623 if name.endswith('/name'):
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parents:
diff changeset
1624 return io.StringIO(u("name"))
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parents:
diff changeset
1625 elif name.endswith('/fan1_label'):
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parents:
diff changeset
1626 return io.StringIO(u("label"))
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parents:
diff changeset
1627 elif name.endswith('/fan1_input'):
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parents:
diff changeset
1628 return io.StringIO(u("2000"))
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parents:
diff changeset
1629 else:
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parents:
diff changeset
1630 return orig_open(name, *args, **kwargs)
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parents:
diff changeset
1631
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diff changeset
1632 orig_open = open
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parents:
diff changeset
1633 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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parents:
diff changeset
1634 with mock.patch(patch_point, side_effect=open_mock):
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parents:
diff changeset
1635 with mock.patch('glob.glob',
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parents:
diff changeset
1636 return_value=['/sys/class/hwmon/hwmon2/fan1']):
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parents:
diff changeset
1637 fan = psutil.sensors_fans()['name'][0]
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parents:
diff changeset
1638 self.assertEqual(fan.label, 'label')
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parents:
diff changeset
1639 self.assertEqual(fan.current, 2000)
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diff changeset
1640
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diff changeset
1641
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diff changeset
1642 # =====================================================================
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parents:
diff changeset
1643 # --- test process
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diff changeset
1644 # =====================================================================
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diff changeset
1645
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diff changeset
1646
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parents:
diff changeset
1647 @unittest.skipIf(not LINUX, "LINUX only")
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diff changeset
1648 class TestProcess(PsutilTestCase):
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diff changeset
1649
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diff changeset
1650 @retry_on_failure()
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diff changeset
1651 def test_memory_full_info(self):
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diff changeset
1652 testfn = self.get_testfn()
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diff changeset
1653 src = textwrap.dedent("""
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parents:
diff changeset
1654 import time
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parents:
diff changeset
1655 with open("%s", "w") as f:
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parents:
diff changeset
1656 time.sleep(10)
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parents:
diff changeset
1657 """ % testfn)
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parents:
diff changeset
1658 sproc = self.pyrun(src)
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parents:
diff changeset
1659 call_until(lambda: os.listdir('.'), "'%s' not in ret" % testfn)
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parents:
diff changeset
1660 p = psutil.Process(sproc.pid)
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parents:
diff changeset
1661 time.sleep(.1)
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parents:
diff changeset
1662 mem = p.memory_full_info()
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parents:
diff changeset
1663 maps = p.memory_maps(grouped=False)
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parents:
diff changeset
1664 self.assertAlmostEqual(
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parents:
diff changeset
1665 mem.uss, sum([x.private_dirty + x.private_clean for x in maps]),
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parents:
diff changeset
1666 delta=4096)
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parents:
diff changeset
1667 self.assertAlmostEqual(
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parents:
diff changeset
1668 mem.pss, sum([x.pss for x in maps]), delta=4096)
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parents:
diff changeset
1669 self.assertAlmostEqual(
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parents:
diff changeset
1670 mem.swap, sum([x.swap for x in maps]), delta=4096)
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parents:
diff changeset
1671
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parents:
diff changeset
1672 def test_memory_full_info_mocked(self):
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parents:
diff changeset
1673 # See: https://github.com/giampaolo/psutil/issues/1222
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parents:
diff changeset
1674 with mock_open_content(
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parents:
diff changeset
1675 "/proc/%s/smaps" % os.getpid(),
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parents:
diff changeset
1676 textwrap.dedent("""\
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parents:
diff changeset
1677 fffff0 r-xp 00000000 00:00 0 [vsyscall]
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parents:
diff changeset
1678 Size: 1 kB
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parents:
diff changeset
1679 Rss: 2 kB
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parents:
diff changeset
1680 Pss: 3 kB
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parents:
diff changeset
1681 Shared_Clean: 4 kB
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parents:
diff changeset
1682 Shared_Dirty: 5 kB
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parents:
diff changeset
1683 Private_Clean: 6 kB
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parents:
diff changeset
1684 Private_Dirty: 7 kB
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parents:
diff changeset
1685 Referenced: 8 kB
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diff changeset
1686 Anonymous: 9 kB
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diff changeset
1687 LazyFree: 10 kB
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diff changeset
1688 AnonHugePages: 11 kB
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parents:
diff changeset
1689 ShmemPmdMapped: 12 kB
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parents:
diff changeset
1690 Shared_Hugetlb: 13 kB
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parents:
diff changeset
1691 Private_Hugetlb: 14 kB
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parents:
diff changeset
1692 Swap: 15 kB
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parents:
diff changeset
1693 SwapPss: 16 kB
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parents:
diff changeset
1694 KernelPageSize: 17 kB
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parents:
diff changeset
1695 MMUPageSize: 18 kB
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parents:
diff changeset
1696 Locked: 19 kB
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parents:
diff changeset
1697 VmFlags: rd ex
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parents:
diff changeset
1698 """).encode()) as m:
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parents:
diff changeset
1699 p = psutil.Process()
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parents:
diff changeset
1700 mem = p.memory_full_info()
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parents:
diff changeset
1701 assert m.called
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parents:
diff changeset
1702 self.assertEqual(mem.uss, (6 + 7 + 14) * 1024)
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guerler
parents:
diff changeset
1703 self.assertEqual(mem.pss, 3 * 1024)
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guerler
parents:
diff changeset
1704 self.assertEqual(mem.swap, 15 * 1024)
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parents:
diff changeset
1705
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parents:
diff changeset
1706 # On PYPY file descriptors are not closed fast enough.
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parents:
diff changeset
1707 @unittest.skipIf(PYPY, "unreliable on PYPY")
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guerler
parents:
diff changeset
1708 def test_open_files_mode(self):
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parents:
diff changeset
1709 def get_test_file(fname):
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parents:
diff changeset
1710 p = psutil.Process()
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parents:
diff changeset
1711 giveup_at = time.time() + GLOBAL_TIMEOUT
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parents:
diff changeset
1712 while True:
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parents:
diff changeset
1713 for file in p.open_files():
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guerler
parents:
diff changeset
1714 if file.path == os.path.abspath(fname):
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guerler
parents:
diff changeset
1715 return file
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parents:
diff changeset
1716 elif time.time() > giveup_at:
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guerler
parents:
diff changeset
1717 break
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parents:
diff changeset
1718 raise RuntimeError("timeout looking for test file")
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guerler
parents:
diff changeset
1719
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parents:
diff changeset
1720 #
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parents:
diff changeset
1721 testfn = self.get_testfn()
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guerler
parents:
diff changeset
1722 with open(testfn, "w"):
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guerler
parents:
diff changeset
1723 self.assertEqual(get_test_file(testfn).mode, "w")
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guerler
parents:
diff changeset
1724 with open(testfn, "r"):
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guerler
parents:
diff changeset
1725 self.assertEqual(get_test_file(testfn).mode, "r")
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guerler
parents:
diff changeset
1726 with open(testfn, "a"):
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guerler
parents:
diff changeset
1727 self.assertEqual(get_test_file(testfn).mode, "a")
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guerler
parents:
diff changeset
1728 #
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guerler
parents:
diff changeset
1729 with open(testfn, "r+"):
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guerler
parents:
diff changeset
1730 self.assertEqual(get_test_file(testfn).mode, "r+")
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guerler
parents:
diff changeset
1731 with open(testfn, "w+"):
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guerler
parents:
diff changeset
1732 self.assertEqual(get_test_file(testfn).mode, "r+")
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guerler
parents:
diff changeset
1733 with open(testfn, "a+"):
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guerler
parents:
diff changeset
1734 self.assertEqual(get_test_file(testfn).mode, "a+")
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guerler
parents:
diff changeset
1735 # note: "x" bit is not supported
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guerler
parents:
diff changeset
1736 if PY3:
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guerler
parents:
diff changeset
1737 safe_rmpath(testfn)
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guerler
parents:
diff changeset
1738 with open(testfn, "x"):
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guerler
parents:
diff changeset
1739 self.assertEqual(get_test_file(testfn).mode, "w")
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guerler
parents:
diff changeset
1740 safe_rmpath(testfn)
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guerler
parents:
diff changeset
1741 with open(testfn, "x+"):
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guerler
parents:
diff changeset
1742 self.assertEqual(get_test_file(testfn).mode, "r+")
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guerler
parents:
diff changeset
1743
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parents:
diff changeset
1744 def test_open_files_file_gone(self):
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guerler
parents:
diff changeset
1745 # simulates a file which gets deleted during open_files()
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parents:
diff changeset
1746 # execution
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parents:
diff changeset
1747 p = psutil.Process()
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guerler
parents:
diff changeset
1748 files = p.open_files()
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guerler
parents:
diff changeset
1749 with open(self.get_testfn(), 'w'):
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guerler
parents:
diff changeset
1750 # give the kernel some time to see the new file
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guerler
parents:
diff changeset
1751 call_until(p.open_files, "len(ret) != %i" % len(files))
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guerler
parents:
diff changeset
1752 with mock.patch('psutil._pslinux.os.readlink',
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guerler
parents:
diff changeset
1753 side_effect=OSError(errno.ENOENT, "")) as m:
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guerler
parents:
diff changeset
1754 files = p.open_files()
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guerler
parents:
diff changeset
1755 assert not files
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guerler
parents:
diff changeset
1756 assert m.called
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guerler
parents:
diff changeset
1757 # also simulate the case where os.readlink() returns EINVAL
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guerler
parents:
diff changeset
1758 # in which case psutil is supposed to 'continue'
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guerler
parents:
diff changeset
1759 with mock.patch('psutil._pslinux.os.readlink',
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guerler
parents:
diff changeset
1760 side_effect=OSError(errno.EINVAL, "")) as m:
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guerler
parents:
diff changeset
1761 self.assertEqual(p.open_files(), [])
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guerler
parents:
diff changeset
1762 assert m.called
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guerler
parents:
diff changeset
1763
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parents:
diff changeset
1764 def test_open_files_fd_gone(self):
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guerler
parents:
diff changeset
1765 # Simulate a case where /proc/{pid}/fdinfo/{fd} disappears
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guerler
parents:
diff changeset
1766 # while iterating through fds.
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parents:
diff changeset
1767 # https://travis-ci.org/giampaolo/psutil/jobs/225694530
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guerler
parents:
diff changeset
1768 p = psutil.Process()
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guerler
parents:
diff changeset
1769 files = p.open_files()
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guerler
parents:
diff changeset
1770 with open(self.get_testfn(), 'w'):
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guerler
parents:
diff changeset
1771 # give the kernel some time to see the new file
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guerler
parents:
diff changeset
1772 call_until(p.open_files, "len(ret) != %i" % len(files))
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guerler
parents:
diff changeset
1773 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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guerler
parents:
diff changeset
1774 with mock.patch(patch_point,
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guerler
parents:
diff changeset
1775 side_effect=IOError(errno.ENOENT, "")) as m:
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guerler
parents:
diff changeset
1776 files = p.open_files()
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guerler
parents:
diff changeset
1777 assert not files
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guerler
parents:
diff changeset
1778 assert m.called
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parents:
diff changeset
1779
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parents:
diff changeset
1780 # --- mocked tests
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parents:
diff changeset
1781
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parents:
diff changeset
1782 def test_terminal_mocked(self):
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parents:
diff changeset
1783 with mock.patch('psutil._pslinux._psposix.get_terminal_map',
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guerler
parents:
diff changeset
1784 return_value={}) as m:
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guerler
parents:
diff changeset
1785 self.assertIsNone(psutil._pslinux.Process(os.getpid()).terminal())
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guerler
parents:
diff changeset
1786 assert m.called
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guerler
parents:
diff changeset
1787
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guerler
parents:
diff changeset
1788 # TODO: re-enable this test.
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guerler
parents:
diff changeset
1789 # def test_num_ctx_switches_mocked(self):
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guerler
parents:
diff changeset
1790 # with mock.patch('psutil._common.open', create=True) as m:
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parents:
diff changeset
1791 # self.assertRaises(
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parents:
diff changeset
1792 # NotImplementedError,
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parents:
diff changeset
1793 # psutil._pslinux.Process(os.getpid()).num_ctx_switches)
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guerler
parents:
diff changeset
1794 # assert m.called
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parents:
diff changeset
1795
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parents:
diff changeset
1796 def test_cmdline_mocked(self):
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parents:
diff changeset
1797 # see: https://github.com/giampaolo/psutil/issues/639
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parents:
diff changeset
1798 p = psutil.Process()
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parents:
diff changeset
1799 fake_file = io.StringIO(u('foo\x00bar\x00'))
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parents:
diff changeset
1800 with mock.patch('psutil._common.open',
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parents:
diff changeset
1801 return_value=fake_file, create=True) as m:
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guerler
parents:
diff changeset
1802 self.assertEqual(p.cmdline(), ['foo', 'bar'])
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parents:
diff changeset
1803 assert m.called
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guerler
parents:
diff changeset
1804 fake_file = io.StringIO(u('foo\x00bar\x00\x00'))
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guerler
parents:
diff changeset
1805 with mock.patch('psutil._common.open',
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parents:
diff changeset
1806 return_value=fake_file, create=True) as m:
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guerler
parents:
diff changeset
1807 self.assertEqual(p.cmdline(), ['foo', 'bar', ''])
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parents:
diff changeset
1808 assert m.called
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parents:
diff changeset
1809
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parents:
diff changeset
1810 def test_cmdline_spaces_mocked(self):
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parents:
diff changeset
1811 # see: https://github.com/giampaolo/psutil/issues/1179
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guerler
parents:
diff changeset
1812 p = psutil.Process()
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parents:
diff changeset
1813 fake_file = io.StringIO(u('foo bar '))
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guerler
parents:
diff changeset
1814 with mock.patch('psutil._common.open',
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guerler
parents:
diff changeset
1815 return_value=fake_file, create=True) as m:
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guerler
parents:
diff changeset
1816 self.assertEqual(p.cmdline(), ['foo', 'bar'])
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guerler
parents:
diff changeset
1817 assert m.called
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guerler
parents:
diff changeset
1818 fake_file = io.StringIO(u('foo bar '))
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guerler
parents:
diff changeset
1819 with mock.patch('psutil._common.open',
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guerler
parents:
diff changeset
1820 return_value=fake_file, create=True) as m:
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guerler
parents:
diff changeset
1821 self.assertEqual(p.cmdline(), ['foo', 'bar', ''])
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guerler
parents:
diff changeset
1822 assert m.called
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guerler
parents:
diff changeset
1823
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guerler
parents:
diff changeset
1824 def test_cmdline_mixed_separators(self):
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parents:
diff changeset
1825 # https://github.com/giampaolo/psutil/issues/
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guerler
parents:
diff changeset
1826 # 1179#issuecomment-552984549
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guerler
parents:
diff changeset
1827 p = psutil.Process()
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parents:
diff changeset
1828 fake_file = io.StringIO(u('foo\x20bar\x00'))
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guerler
parents:
diff changeset
1829 with mock.patch('psutil._common.open',
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guerler
parents:
diff changeset
1830 return_value=fake_file, create=True) as m:
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guerler
parents:
diff changeset
1831 self.assertEqual(p.cmdline(), ['foo', 'bar'])
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guerler
parents:
diff changeset
1832 assert m.called
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guerler
parents:
diff changeset
1833
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parents:
diff changeset
1834 def test_readlink_path_deleted_mocked(self):
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guerler
parents:
diff changeset
1835 with mock.patch('psutil._pslinux.os.readlink',
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guerler
parents:
diff changeset
1836 return_value='/home/foo (deleted)'):
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guerler
parents:
diff changeset
1837 self.assertEqual(psutil.Process().exe(), "/home/foo")
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guerler
parents:
diff changeset
1838 self.assertEqual(psutil.Process().cwd(), "/home/foo")
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guerler
parents:
diff changeset
1839
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parents:
diff changeset
1840 def test_threads_mocked(self):
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guerler
parents:
diff changeset
1841 # Test the case where os.listdir() returns a file (thread)
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guerler
parents:
diff changeset
1842 # which no longer exists by the time we open() it (race
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guerler
parents:
diff changeset
1843 # condition). threads() is supposed to ignore that instead
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guerler
parents:
diff changeset
1844 # of raising NSP.
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guerler
parents:
diff changeset
1845 def open_mock(name, *args, **kwargs):
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guerler
parents:
diff changeset
1846 if name.startswith('/proc/%s/task' % os.getpid()):
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guerler
parents:
diff changeset
1847 raise IOError(errno.ENOENT, "")
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guerler
parents:
diff changeset
1848 else:
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guerler
parents:
diff changeset
1849 return orig_open(name, *args, **kwargs)
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guerler
parents:
diff changeset
1850
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guerler
parents:
diff changeset
1851 orig_open = open
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guerler
parents:
diff changeset
1852 patch_point = 'builtins.open' if PY3 else '__builtin__.open'
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guerler
parents:
diff changeset
1853 with mock.patch(patch_point, side_effect=open_mock) as m:
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guerler
parents:
diff changeset
1854 ret = psutil.Process().threads()
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guerler
parents:
diff changeset
1855 assert m.called
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guerler
parents:
diff changeset
1856 self.assertEqual(ret, [])
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guerler
parents:
diff changeset
1857
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guerler
parents:
diff changeset
1858 # ...but if it bumps into something != ENOENT we want an
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guerler
parents:
diff changeset
1859 # exception.
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diff changeset
1860 def open_mock(name, *args, **kwargs):
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parents:
diff changeset
1861 if name.startswith('/proc/%s/task' % os.getpid()):
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parents:
diff changeset
1862 raise IOError(errno.EPERM, "")
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parents:
diff changeset
1863 else:
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parents:
diff changeset
1864 return orig_open(name, *args, **kwargs)
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parents:
diff changeset
1865
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parents:
diff changeset
1866 with mock.patch(patch_point, side_effect=open_mock):
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guerler
parents:
diff changeset
1867 self.assertRaises(psutil.AccessDenied, psutil.Process().threads)
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parents:
diff changeset
1868
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parents:
diff changeset
1869 def test_exe_mocked(self):
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parents:
diff changeset
1870 with mock.patch('psutil._pslinux.readlink',
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parents:
diff changeset
1871 side_effect=OSError(errno.ENOENT, "")) as m1:
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guerler
parents:
diff changeset
1872 with mock.patch('psutil.Process.cmdline',
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parents:
diff changeset
1873 side_effect=psutil.AccessDenied(0, "")) as m2:
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guerler
parents:
diff changeset
1874 # No such file error; might be raised also if /proc/pid/exe
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parents:
diff changeset
1875 # path actually exists for system processes with low pids
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parents:
diff changeset
1876 # (about 0-20). In this case psutil is supposed to return
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parents:
diff changeset
1877 # an empty string.
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diff changeset
1878 ret = psutil.Process().exe()
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parents:
diff changeset
1879 assert m1.called
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parents:
diff changeset
1880 assert m2.called
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parents:
diff changeset
1881 self.assertEqual(ret, "")
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parents:
diff changeset
1882
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parents:
diff changeset
1883 # ...but if /proc/pid no longer exist we're supposed to treat
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parents:
diff changeset
1884 # it as an alias for zombie process
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parents:
diff changeset
1885 with mock.patch('psutil._pslinux.os.path.lexists',
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parents:
diff changeset
1886 return_value=False):
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parents:
diff changeset
1887 self.assertRaises(
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parents:
diff changeset
1888 psutil.ZombieProcess, psutil.Process().exe)
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parents:
diff changeset
1889
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parents:
diff changeset
1890 def test_issue_1014(self):
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parents:
diff changeset
1891 # Emulates a case where smaps file does not exist. In this case
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guerler
parents:
diff changeset
1892 # wrap_exception decorator should not raise NoSuchProcess.
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parents:
diff changeset
1893 with mock_open_exception(
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parents:
diff changeset
1894 '/proc/%s/smaps' % os.getpid(),
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parents:
diff changeset
1895 IOError(errno.ENOENT, "")) as m:
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parents:
diff changeset
1896 p = psutil.Process()
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parents:
diff changeset
1897 with self.assertRaises(FileNotFoundError):
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parents:
diff changeset
1898 p.memory_maps()
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parents:
diff changeset
1899 assert m.called
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parents:
diff changeset
1900
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parents:
diff changeset
1901 @unittest.skipIf(not HAS_RLIMIT, "not supported")
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guerler
parents:
diff changeset
1902 def test_rlimit_zombie(self):
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guerler
parents:
diff changeset
1903 # Emulate a case where rlimit() raises ENOSYS, which may
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parents:
diff changeset
1904 # happen in case of zombie process:
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parents:
diff changeset
1905 # https://travis-ci.org/giampaolo/psutil/jobs/51368273
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parents:
diff changeset
1906 with mock.patch("psutil._pslinux.cext.linux_prlimit",
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parents:
diff changeset
1907 side_effect=OSError(errno.ENOSYS, "")) as m:
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parents:
diff changeset
1908 p = psutil.Process()
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parents:
diff changeset
1909 p.name()
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parents:
diff changeset
1910 with self.assertRaises(psutil.ZombieProcess) as exc:
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1911 p.rlimit(psutil.RLIMIT_NOFILE)
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parents:
diff changeset
1912 assert m.called
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parents:
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1913 self.assertEqual(exc.exception.pid, p.pid)
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1914 self.assertEqual(exc.exception.name, p.name())
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1915
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1916 def test_cwd_zombie(self):
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1917 with mock.patch("psutil._pslinux.os.readlink",
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1918 side_effect=OSError(errno.ENOENT, "")) as m:
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diff changeset
1919 p = psutil.Process()
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1920 p.name()
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diff changeset
1921 with self.assertRaises(psutil.ZombieProcess) as exc:
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1922 p.cwd()
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diff changeset
1923 assert m.called
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1924 self.assertEqual(exc.exception.pid, p.pid)
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diff changeset
1925 self.assertEqual(exc.exception.name, p.name())
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diff changeset
1926
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1927 def test_stat_file_parsing(self):
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diff changeset
1928 from psutil._pslinux import CLOCK_TICKS
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1929
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1930 args = [
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1931 "0", # pid
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1932 "(cat)", # name
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1933 "Z", # status
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diff changeset
1934 "1", # ppid
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diff changeset
1935 "0", # pgrp
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diff changeset
1936 "0", # session
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diff changeset
1937 "0", # tty
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diff changeset
1938 "0", # tpgid
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diff changeset
1939 "0", # flags
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diff changeset
1940 "0", # minflt
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parents:
diff changeset
1941 "0", # cminflt
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parents:
diff changeset
1942 "0", # majflt
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parents:
diff changeset
1943 "0", # cmajflt
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1944 "2", # utime
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diff changeset
1945 "3", # stime
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diff changeset
1946 "4", # cutime
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diff changeset
1947 "5", # cstime
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1948 "0", # priority
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diff changeset
1949 "0", # nice
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1950 "0", # num_threads
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1951 "0", # itrealvalue
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diff changeset
1952 "6", # starttime
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parents:
diff changeset
1953 "0", # vsize
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diff changeset
1954 "0", # rss
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parents:
diff changeset
1955 "0", # rsslim
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parents:
diff changeset
1956 "0", # startcode
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guerler
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diff changeset
1957 "0", # endcode
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diff changeset
1958 "0", # startstack
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guerler
parents:
diff changeset
1959 "0", # kstkesp
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guerler
parents:
diff changeset
1960 "0", # kstkeip
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guerler
parents:
diff changeset
1961 "0", # signal
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guerler
parents:
diff changeset
1962 "0", # blocked
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guerler
parents:
diff changeset
1963 "0", # sigignore
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guerler
parents:
diff changeset
1964 "0", # sigcatch
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guerler
parents:
diff changeset
1965 "0", # wchan
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guerler
parents:
diff changeset
1966 "0", # nswap
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guerler
parents:
diff changeset
1967 "0", # cnswap
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guerler
parents:
diff changeset
1968 "0", # exit_signal
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guerler
parents:
diff changeset
1969 "6", # processor
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guerler
parents:
diff changeset
1970 "0", # rt priority
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guerler
parents:
diff changeset
1971 "0", # policy
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guerler
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diff changeset
1972 "7", # delayacct_blkio_ticks
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guerler
parents:
diff changeset
1973 ]
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diff changeset
1974 content = " ".join(args).encode()
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diff changeset
1975 with mock_open_content('/proc/%s/stat' % os.getpid(), content):
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diff changeset
1976 p = psutil.Process()
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diff changeset
1977 self.assertEqual(p.name(), 'cat')
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parents:
diff changeset
1978 self.assertEqual(p.status(), psutil.STATUS_ZOMBIE)
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diff changeset
1979 self.assertEqual(p.ppid(), 1)
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diff changeset
1980 self.assertEqual(
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diff changeset
1981 p.create_time(), 6 / CLOCK_TICKS + psutil.boot_time())
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diff changeset
1982 cpu = p.cpu_times()
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diff changeset
1983 self.assertEqual(cpu.user, 2 / CLOCK_TICKS)
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guerler
parents:
diff changeset
1984 self.assertEqual(cpu.system, 3 / CLOCK_TICKS)
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guerler
parents:
diff changeset
1985 self.assertEqual(cpu.children_user, 4 / CLOCK_TICKS)
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diff changeset
1986 self.assertEqual(cpu.children_system, 5 / CLOCK_TICKS)
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parents:
diff changeset
1987 self.assertEqual(cpu.iowait, 7 / CLOCK_TICKS)
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diff changeset
1988 self.assertEqual(p.cpu_num(), 6)
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parents:
diff changeset
1989
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diff changeset
1990 def test_status_file_parsing(self):
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diff changeset
1991 with mock_open_content(
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diff changeset
1992 '/proc/%s/status' % os.getpid(),
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parents:
diff changeset
1993 textwrap.dedent("""\
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diff changeset
1994 Uid:\t1000\t1001\t1002\t1003
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parents:
diff changeset
1995 Gid:\t1004\t1005\t1006\t1007
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parents:
diff changeset
1996 Threads:\t66
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diff changeset
1997 Cpus_allowed:\tf
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diff changeset
1998 Cpus_allowed_list:\t0-7
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diff changeset
1999 voluntary_ctxt_switches:\t12
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diff changeset
2000 nonvoluntary_ctxt_switches:\t13""").encode()):
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diff changeset
2001 p = psutil.Process()
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diff changeset
2002 self.assertEqual(p.num_ctx_switches().voluntary, 12)
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diff changeset
2003 self.assertEqual(p.num_ctx_switches().involuntary, 13)
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diff changeset
2004 self.assertEqual(p.num_threads(), 66)
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parents:
diff changeset
2005 uids = p.uids()
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parents:
diff changeset
2006 self.assertEqual(uids.real, 1000)
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parents:
diff changeset
2007 self.assertEqual(uids.effective, 1001)
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parents:
diff changeset
2008 self.assertEqual(uids.saved, 1002)
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parents:
diff changeset
2009 gids = p.gids()
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parents:
diff changeset
2010 self.assertEqual(gids.real, 1004)
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parents:
diff changeset
2011 self.assertEqual(gids.effective, 1005)
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parents:
diff changeset
2012 self.assertEqual(gids.saved, 1006)
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parents:
diff changeset
2013 self.assertEqual(p._proc._get_eligible_cpus(), list(range(0, 8)))
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parents:
diff changeset
2014
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parents:
diff changeset
2015
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parents:
diff changeset
2016 @unittest.skipIf(not LINUX, "LINUX only")
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diff changeset
2017 class TestProcessAgainstStatus(PsutilTestCase):
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diff changeset
2018 """/proc/pid/stat and /proc/pid/status have many values in common.
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diff changeset
2019 Whenever possible, psutil uses /proc/pid/stat (it's faster).
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parents:
diff changeset
2020 For all those cases we check that the value found in
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parents:
diff changeset
2021 /proc/pid/stat (by psutil) matches the one found in
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guerler
parents:
diff changeset
2022 /proc/pid/status.
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parents:
diff changeset
2023 """
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parents:
diff changeset
2024
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parents:
diff changeset
2025 @classmethod
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parents:
diff changeset
2026 def setUpClass(cls):
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parents:
diff changeset
2027 cls.proc = psutil.Process()
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parents:
diff changeset
2028
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parents:
diff changeset
2029 def read_status_file(self, linestart):
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parents:
diff changeset
2030 with psutil._psplatform.open_text(
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parents:
diff changeset
2031 '/proc/%s/status' % self.proc.pid) as f:
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guerler
parents:
diff changeset
2032 for line in f:
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parents:
diff changeset
2033 line = line.strip()
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parents:
diff changeset
2034 if line.startswith(linestart):
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guerler
parents:
diff changeset
2035 value = line.partition('\t')[2]
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guerler
parents:
diff changeset
2036 try:
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parents:
diff changeset
2037 return int(value)
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guerler
parents:
diff changeset
2038 except ValueError:
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guerler
parents:
diff changeset
2039 return value
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guerler
parents:
diff changeset
2040 raise ValueError("can't find %r" % linestart)
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parents:
diff changeset
2041
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parents:
diff changeset
2042 def test_name(self):
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parents:
diff changeset
2043 value = self.read_status_file("Name:")
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guerler
parents:
diff changeset
2044 self.assertEqual(self.proc.name(), value)
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parents:
diff changeset
2045
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parents:
diff changeset
2046 def test_status(self):
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guerler
parents:
diff changeset
2047 value = self.read_status_file("State:")
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guerler
parents:
diff changeset
2048 value = value[value.find('(') + 1:value.rfind(')')]
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guerler
parents:
diff changeset
2049 value = value.replace(' ', '-')
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guerler
parents:
diff changeset
2050 self.assertEqual(self.proc.status(), value)
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guerler
parents:
diff changeset
2051
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parents:
diff changeset
2052 def test_ppid(self):
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guerler
parents:
diff changeset
2053 value = self.read_status_file("PPid:")
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guerler
parents:
diff changeset
2054 self.assertEqual(self.proc.ppid(), value)
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guerler
parents:
diff changeset
2055
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parents:
diff changeset
2056 def test_num_threads(self):
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guerler
parents:
diff changeset
2057 value = self.read_status_file("Threads:")
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guerler
parents:
diff changeset
2058 self.assertEqual(self.proc.num_threads(), value)
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guerler
parents:
diff changeset
2059
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guerler
parents:
diff changeset
2060 def test_uids(self):
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guerler
parents:
diff changeset
2061 value = self.read_status_file("Uid:")
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guerler
parents:
diff changeset
2062 value = tuple(map(int, value.split()[1:4]))
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guerler
parents:
diff changeset
2063 self.assertEqual(self.proc.uids(), value)
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guerler
parents:
diff changeset
2064
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parents:
diff changeset
2065 def test_gids(self):
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guerler
parents:
diff changeset
2066 value = self.read_status_file("Gid:")
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guerler
parents:
diff changeset
2067 value = tuple(map(int, value.split()[1:4]))
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guerler
parents:
diff changeset
2068 self.assertEqual(self.proc.gids(), value)
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guerler
parents:
diff changeset
2069
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guerler
parents:
diff changeset
2070 @retry_on_failure()
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guerler
parents:
diff changeset
2071 def test_num_ctx_switches(self):
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guerler
parents:
diff changeset
2072 value = self.read_status_file("voluntary_ctxt_switches:")
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guerler
parents:
diff changeset
2073 self.assertEqual(self.proc.num_ctx_switches().voluntary, value)
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guerler
parents:
diff changeset
2074 value = self.read_status_file("nonvoluntary_ctxt_switches:")
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guerler
parents:
diff changeset
2075 self.assertEqual(self.proc.num_ctx_switches().involuntary, value)
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guerler
parents:
diff changeset
2076
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guerler
parents:
diff changeset
2077 def test_cpu_affinity(self):
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guerler
parents:
diff changeset
2078 value = self.read_status_file("Cpus_allowed_list:")
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guerler
parents:
diff changeset
2079 if '-' in str(value):
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guerler
parents:
diff changeset
2080 min_, max_ = map(int, value.split('-'))
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guerler
parents:
diff changeset
2081 self.assertEqual(
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guerler
parents:
diff changeset
2082 self.proc.cpu_affinity(), list(range(min_, max_ + 1)))
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guerler
parents:
diff changeset
2083
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guerler
parents:
diff changeset
2084 def test_cpu_affinity_eligible_cpus(self):
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guerler
parents:
diff changeset
2085 value = self.read_status_file("Cpus_allowed_list:")
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guerler
parents:
diff changeset
2086 with mock.patch("psutil._pslinux.per_cpu_times") as m:
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guerler
parents:
diff changeset
2087 self.proc._proc._get_eligible_cpus()
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guerler
parents:
diff changeset
2088 if '-' in str(value):
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guerler
parents:
diff changeset
2089 assert not m.called
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guerler
parents:
diff changeset
2090 else:
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guerler
parents:
diff changeset
2091 assert m.called
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guerler
parents:
diff changeset
2092
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guerler
parents:
diff changeset
2093
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guerler
parents:
diff changeset
2094 # =====================================================================
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guerler
parents:
diff changeset
2095 # --- test utils
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guerler
parents:
diff changeset
2096 # =====================================================================
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guerler
parents:
diff changeset
2097
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guerler
parents:
diff changeset
2098
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guerler
parents:
diff changeset
2099 @unittest.skipIf(not LINUX, "LINUX only")
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guerler
parents:
diff changeset
2100 class TestUtils(PsutilTestCase):
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guerler
parents:
diff changeset
2101
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guerler
parents:
diff changeset
2102 def test_readlink(self):
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guerler
parents:
diff changeset
2103 with mock.patch("os.readlink", return_value="foo (deleted)") as m:
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guerler
parents:
diff changeset
2104 self.assertEqual(psutil._psplatform.readlink("bar"), "foo")
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guerler
parents:
diff changeset
2105 assert m.called
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guerler
parents:
diff changeset
2106
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guerler
parents:
diff changeset
2107 def test_cat(self):
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guerler
parents:
diff changeset
2108 testfn = self.get_testfn()
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guerler
parents:
diff changeset
2109 with open(testfn, "wt") as f:
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guerler
parents:
diff changeset
2110 f.write("foo ")
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2111 self.assertEqual(psutil._psplatform.cat(testfn, binary=False), "foo")
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2112 self.assertEqual(psutil._psplatform.cat(testfn, binary=True), b"foo")
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2113 self.assertEqual(
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2114 psutil._psplatform.cat(testfn + '??', fallback="bar"), "bar")
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2115
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2116
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2117 if __name__ == '__main__':
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2118 from psutil.tests.runner import run_from_name
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2119 run_from_name(__file__)