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annotate planemo/lib/python3.7/site-packages/psutil/_pssunos.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 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
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2 # Use of this source code is governed by a BSD-style license that can be
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3 # found in the LICENSE file.
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4
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5 """Sun OS Solaris platform implementation."""
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6
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7 import errno
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8 import functools
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9 import os
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10 import socket
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11 import subprocess
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12 import sys
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13 from collections import namedtuple
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14 from socket import AF_INET
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15
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16 from . import _common
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17 from . import _psposix
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18 from . import _psutil_posix as cext_posix
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19 from . import _psutil_sunos as cext
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20 from ._common import AccessDenied
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21 from ._common import AF_INET6
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22 from ._common import debug
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23 from ._common import get_procfs_path
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24 from ._common import isfile_strict
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25 from ._common import memoize_when_activated
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26 from ._common import NoSuchProcess
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27 from ._common import sockfam_to_enum
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28 from ._common import socktype_to_enum
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29 from ._common import usage_percent
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30 from ._common import ZombieProcess
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31 from ._compat import b
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32 from ._compat import FileNotFoundError
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33 from ._compat import PermissionError
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34 from ._compat import ProcessLookupError
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35 from ._compat import PY3
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36
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37
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38 __extra__all__ = ["CONN_IDLE", "CONN_BOUND", "PROCFS_PATH"]
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39
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40
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41 # =====================================================================
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42 # --- globals
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43 # =====================================================================
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44
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45
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46 PAGE_SIZE = os.sysconf('SC_PAGE_SIZE')
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47 AF_LINK = cext_posix.AF_LINK
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48 IS_64_BIT = sys.maxsize > 2**32
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49
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50 CONN_IDLE = "IDLE"
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51 CONN_BOUND = "BOUND"
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52
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53 PROC_STATUSES = {
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54 cext.SSLEEP: _common.STATUS_SLEEPING,
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55 cext.SRUN: _common.STATUS_RUNNING,
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56 cext.SZOMB: _common.STATUS_ZOMBIE,
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57 cext.SSTOP: _common.STATUS_STOPPED,
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58 cext.SIDL: _common.STATUS_IDLE,
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59 cext.SONPROC: _common.STATUS_RUNNING, # same as run
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60 cext.SWAIT: _common.STATUS_WAITING,
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61 }
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62
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63 TCP_STATUSES = {
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64 cext.TCPS_ESTABLISHED: _common.CONN_ESTABLISHED,
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65 cext.TCPS_SYN_SENT: _common.CONN_SYN_SENT,
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66 cext.TCPS_SYN_RCVD: _common.CONN_SYN_RECV,
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67 cext.TCPS_FIN_WAIT_1: _common.CONN_FIN_WAIT1,
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68 cext.TCPS_FIN_WAIT_2: _common.CONN_FIN_WAIT2,
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69 cext.TCPS_TIME_WAIT: _common.CONN_TIME_WAIT,
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70 cext.TCPS_CLOSED: _common.CONN_CLOSE,
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71 cext.TCPS_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
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72 cext.TCPS_LAST_ACK: _common.CONN_LAST_ACK,
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73 cext.TCPS_LISTEN: _common.CONN_LISTEN,
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74 cext.TCPS_CLOSING: _common.CONN_CLOSING,
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75 cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
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76 cext.TCPS_IDLE: CONN_IDLE, # sunos specific
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77 cext.TCPS_BOUND: CONN_BOUND, # sunos specific
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78 }
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79
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80 proc_info_map = dict(
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81 ppid=0,
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82 rss=1,
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83 vms=2,
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84 create_time=3,
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85 nice=4,
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86 num_threads=5,
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87 status=6,
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88 ttynr=7,
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89 uid=8,
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90 euid=9,
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91 gid=10,
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92 egid=11)
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93
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94
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95 # =====================================================================
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96 # --- named tuples
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97 # =====================================================================
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98
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99
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100 # psutil.cpu_times()
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101 scputimes = namedtuple('scputimes', ['user', 'system', 'idle', 'iowait'])
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102 # psutil.cpu_times(percpu=True)
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103 pcputimes = namedtuple('pcputimes',
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104 ['user', 'system', 'children_user', 'children_system'])
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105 # psutil.virtual_memory()
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106 svmem = namedtuple('svmem', ['total', 'available', 'percent', 'used', 'free'])
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107 # psutil.Process.memory_info()
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108 pmem = namedtuple('pmem', ['rss', 'vms'])
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109 pfullmem = pmem
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110 # psutil.Process.memory_maps(grouped=True)
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111 pmmap_grouped = namedtuple('pmmap_grouped',
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112 ['path', 'rss', 'anonymous', 'locked'])
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113 # psutil.Process.memory_maps(grouped=False)
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114 pmmap_ext = namedtuple(
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115 'pmmap_ext', 'addr perms ' + ' '.join(pmmap_grouped._fields))
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116
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117
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118 # =====================================================================
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119 # --- memory
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120 # =====================================================================
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121
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122
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123 def virtual_memory():
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124 """Report virtual memory metrics."""
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125 # we could have done this with kstat, but IMHO this is good enough
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126 total = os.sysconf('SC_PHYS_PAGES') * PAGE_SIZE
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127 # note: there's no difference on Solaris
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128 free = avail = os.sysconf('SC_AVPHYS_PAGES') * PAGE_SIZE
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129 used = total - free
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130 percent = usage_percent(used, total, round_=1)
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131 return svmem(total, avail, percent, used, free)
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132
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133
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134 def swap_memory():
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135 """Report swap memory metrics."""
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136 sin, sout = cext.swap_mem()
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137 # XXX
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138 # we are supposed to get total/free by doing so:
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139 # http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/
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140 # usr/src/cmd/swap/swap.c
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141 # ...nevertheless I can't manage to obtain the same numbers as 'swap'
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142 # cmdline utility, so let's parse its output (sigh!)
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143 p = subprocess.Popen(['/usr/bin/env', 'PATH=/usr/sbin:/sbin:%s' %
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144 os.environ['PATH'], 'swap', '-l'],
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145 stdout=subprocess.PIPE)
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146 stdout, stderr = p.communicate()
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147 if PY3:
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148 stdout = stdout.decode(sys.stdout.encoding)
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149 if p.returncode != 0:
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150 raise RuntimeError("'swap -l' failed (retcode=%s)" % p.returncode)
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151
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152 lines = stdout.strip().split('\n')[1:]
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153 if not lines:
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154 raise RuntimeError('no swap device(s) configured')
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155 total = free = 0
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156 for line in lines:
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157 line = line.split()
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158 t, f = line[-2:]
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159 total += int(int(t) * 512)
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160 free += int(int(f) * 512)
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161 used = total - free
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162 percent = usage_percent(used, total, round_=1)
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163 return _common.sswap(total, used, free, percent,
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164 sin * PAGE_SIZE, sout * PAGE_SIZE)
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165
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166
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167 # =====================================================================
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168 # --- CPU
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169 # =====================================================================
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170
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171
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172 def cpu_times():
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173 """Return system-wide CPU times as a named tuple"""
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174 ret = cext.per_cpu_times()
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175 return scputimes(*[sum(x) for x in zip(*ret)])
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176
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177
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178 def per_cpu_times():
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179 """Return system per-CPU times as a list of named tuples"""
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180 ret = cext.per_cpu_times()
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181 return [scputimes(*x) for x in ret]
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182
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183
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184 def cpu_count_logical():
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185 """Return the number of logical CPUs in the system."""
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186 try:
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187 return os.sysconf("SC_NPROCESSORS_ONLN")
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188 except ValueError:
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189 # mimic os.cpu_count() behavior
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190 return None
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191
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192
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193 def cpu_count_physical():
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194 """Return the number of physical CPUs in the system."""
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195 return cext.cpu_count_phys()
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196
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197
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198 def cpu_stats():
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199 """Return various CPU stats as a named tuple."""
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200 ctx_switches, interrupts, syscalls, traps = cext.cpu_stats()
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201 soft_interrupts = 0
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202 return _common.scpustats(ctx_switches, interrupts, soft_interrupts,
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203 syscalls)
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204
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205
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206 # =====================================================================
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207 # --- disks
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208 # =====================================================================
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209
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210
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211 disk_io_counters = cext.disk_io_counters
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212 disk_usage = _psposix.disk_usage
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213
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214
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215 def disk_partitions(all=False):
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216 """Return system disk partitions."""
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217 # TODO - the filtering logic should be better checked so that
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218 # it tries to reflect 'df' as much as possible
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219 retlist = []
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220 partitions = cext.disk_partitions()
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221 for partition in partitions:
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222 device, mountpoint, fstype, opts = partition
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223 if device == 'none':
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224 device = ''
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225 if not all:
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226 # Differently from, say, Linux, we don't have a list of
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227 # common fs types so the best we can do, AFAIK, is to
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228 # filter by filesystem having a total size > 0.
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229 try:
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230 if not disk_usage(mountpoint).total:
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231 continue
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232 except OSError as err:
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233 # https://github.com/giampaolo/psutil/issues/1674
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234 debug("skipping %r: %r" % (mountpoint, err))
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235 continue
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236 ntuple = _common.sdiskpart(device, mountpoint, fstype, opts)
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237 retlist.append(ntuple)
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238 return retlist
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239
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240
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241 # =====================================================================
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242 # --- network
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243 # =====================================================================
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244
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245
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246 net_io_counters = cext.net_io_counters
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247 net_if_addrs = cext_posix.net_if_addrs
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248
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249
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250 def net_connections(kind, _pid=-1):
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251 """Return socket connections. If pid == -1 return system-wide
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252 connections (as opposed to connections opened by one process only).
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253 Only INET sockets are returned (UNIX are not).
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254 """
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255 cmap = _common.conn_tmap.copy()
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256 if _pid == -1:
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257 cmap.pop('unix', 0)
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258 if kind not in cmap:
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259 raise ValueError("invalid %r kind argument; choose between %s"
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260 % (kind, ', '.join([repr(x) for x in cmap])))
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261 families, types = _common.conn_tmap[kind]
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262 rawlist = cext.net_connections(_pid)
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263 ret = set()
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264 for item in rawlist:
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265 fd, fam, type_, laddr, raddr, status, pid = item
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266 if fam not in families:
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267 continue
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268 if type_ not in types:
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269 continue
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270 # TODO: refactor and use _common.conn_to_ntuple.
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271 if fam in (AF_INET, AF_INET6):
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272 if laddr:
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273 laddr = _common.addr(*laddr)
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274 if raddr:
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275 raddr = _common.addr(*raddr)
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276 status = TCP_STATUSES[status]
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277 fam = sockfam_to_enum(fam)
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278 type_ = socktype_to_enum(type_)
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279 if _pid == -1:
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280 nt = _common.sconn(fd, fam, type_, laddr, raddr, status, pid)
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281 else:
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282 nt = _common.pconn(fd, fam, type_, laddr, raddr, status)
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283 ret.add(nt)
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284 return list(ret)
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285
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286
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287 def net_if_stats():
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288 """Get NIC stats (isup, duplex, speed, mtu)."""
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289 ret = cext.net_if_stats()
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290 for name, items in ret.items():
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291 isup, duplex, speed, mtu = items
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292 if hasattr(_common, 'NicDuplex'):
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293 duplex = _common.NicDuplex(duplex)
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294 ret[name] = _common.snicstats(isup, duplex, speed, mtu)
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295 return ret
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296
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297
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298 # =====================================================================
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299 # --- other system functions
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300 # =====================================================================
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301
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302
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303 def boot_time():
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304 """The system boot time expressed in seconds since the epoch."""
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305 return cext.boot_time()
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306
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307
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308 def users():
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309 """Return currently connected users as a list of namedtuples."""
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310 retlist = []
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311 rawlist = cext.users()
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312 localhost = (':0.0', ':0')
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313 for item in rawlist:
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314 user, tty, hostname, tstamp, user_process, pid = item
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315 # note: the underlying C function includes entries about
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316 # system boot, run level and others. We might want
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317 # to use them in the future.
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318 if not user_process:
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319 continue
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320 if hostname in localhost:
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321 hostname = 'localhost'
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322 nt = _common.suser(user, tty, hostname, tstamp, pid)
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323 retlist.append(nt)
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324 return retlist
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325
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326
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327 # =====================================================================
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328 # --- processes
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329 # =====================================================================
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330
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331
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332 def pids():
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333 """Returns a list of PIDs currently running on the system."""
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334 return [int(x) for x in os.listdir(b(get_procfs_path())) if x.isdigit()]
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335
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336
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337 def pid_exists(pid):
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338 """Check for the existence of a unix pid."""
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339 return _psposix.pid_exists(pid)
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340
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341
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342 def wrap_exceptions(fun):
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343 """Call callable into a try/except clause and translate ENOENT,
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344 EACCES and EPERM in NoSuchProcess or AccessDenied exceptions.
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345 """
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346 @functools.wraps(fun)
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347 def wrapper(self, *args, **kwargs):
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348 try:
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349 return fun(self, *args, **kwargs)
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350 except (FileNotFoundError, ProcessLookupError):
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351 # ENOENT (no such file or directory) gets raised on open().
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352 # ESRCH (no such process) can get raised on read() if
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353 # process is gone in meantime.
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354 if not pid_exists(self.pid):
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355 raise NoSuchProcess(self.pid, self._name)
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356 else:
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357 raise ZombieProcess(self.pid, self._name, self._ppid)
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358 except PermissionError:
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359 raise AccessDenied(self.pid, self._name)
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360 except OSError:
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361 if self.pid == 0:
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362 if 0 in pids():
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363 raise AccessDenied(self.pid, self._name)
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364 else:
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365 raise
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366 raise
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367 return wrapper
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368
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369
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370 class Process(object):
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371 """Wrapper class around underlying C implementation."""
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372
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373 __slots__ = ["pid", "_name", "_ppid", "_procfs_path", "_cache"]
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374
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375 def __init__(self, pid):
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376 self.pid = pid
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377 self._name = None
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378 self._ppid = None
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379 self._procfs_path = get_procfs_path()
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380
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381 def _assert_alive(self):
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382 """Raise NSP if the process disappeared on us."""
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383 # For those C function who do not raise NSP, possibly returning
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384 # incorrect or incomplete result.
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diff changeset
385 os.stat('%s/%s' % (self._procfs_path, self.pid))
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386
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387 def oneshot_enter(self):
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388 self._proc_name_and_args.cache_activate(self)
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diff changeset
389 self._proc_basic_info.cache_activate(self)
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diff changeset
390 self._proc_cred.cache_activate(self)
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391
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392 def oneshot_exit(self):
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393 self._proc_name_and_args.cache_deactivate(self)
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394 self._proc_basic_info.cache_deactivate(self)
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395 self._proc_cred.cache_deactivate(self)
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396
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397 @wrap_exceptions
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398 @memoize_when_activated
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399 def _proc_name_and_args(self):
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400 return cext.proc_name_and_args(self.pid, self._procfs_path)
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401
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402 @wrap_exceptions
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403 @memoize_when_activated
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diff changeset
404 def _proc_basic_info(self):
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diff changeset
405 if self.pid == 0 and not \
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406 os.path.exists('%s/%s/psinfo' % (self._procfs_path, self.pid)):
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407 raise AccessDenied(self.pid)
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408 ret = cext.proc_basic_info(self.pid, self._procfs_path)
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409 assert len(ret) == len(proc_info_map)
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410 return ret
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411
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412 @wrap_exceptions
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413 @memoize_when_activated
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414 def _proc_cred(self):
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415 return cext.proc_cred(self.pid, self._procfs_path)
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416
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417 @wrap_exceptions
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418 def name(self):
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419 # note: max len == 15
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420 return self._proc_name_and_args()[0]
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421
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422 @wrap_exceptions
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423 def exe(self):
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424 try:
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425 return os.readlink(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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426 "%s/%s/path/a.out" % (self._procfs_path, self.pid))
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427 except OSError:
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428 pass # continue and guess the exe name from the cmdline
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diff changeset
429 # Will be guessed later from cmdline but we want to explicitly
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diff changeset
430 # invoke cmdline here in order to get an AccessDenied
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diff changeset
431 # exception if the user has not enough privileges.
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diff changeset
432 self.cmdline()
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433 return ""
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434
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435 @wrap_exceptions
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diff changeset
436 def cmdline(self):
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437 return self._proc_name_and_args()[1].split(' ')
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diff changeset
438
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439 @wrap_exceptions
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440 def environ(self):
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441 return cext.proc_environ(self.pid, self._procfs_path)
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442
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443 @wrap_exceptions
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444 def create_time(self):
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445 return self._proc_basic_info()[proc_info_map['create_time']]
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guerler
parents:
diff changeset
446
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447 @wrap_exceptions
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448 def num_threads(self):
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449 return self._proc_basic_info()[proc_info_map['num_threads']]
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guerler
parents:
diff changeset
450
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diff changeset
451 @wrap_exceptions
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diff changeset
452 def nice_get(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
453 # Note #1: getpriority(3) doesn't work for realtime processes.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
454 # Psinfo is what ps uses, see:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
455 # https://github.com/giampaolo/psutil/issues/1194
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parents:
diff changeset
456 return self._proc_basic_info()[proc_info_map['nice']]
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guerler
parents:
diff changeset
457
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
458 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
459 def nice_set(self, value):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
460 if self.pid in (2, 3):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
461 # Special case PIDs: internally setpriority(3) return ESRCH
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
462 # (no such process), no matter what.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
463 # The process actually exists though, as it has a name,
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parents:
diff changeset
464 # creation time, etc.
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diff changeset
465 raise AccessDenied(self.pid, self._name)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
466 return cext_posix.setpriority(self.pid, value)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
467
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
468 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
469 def ppid(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
470 self._ppid = self._proc_basic_info()[proc_info_map['ppid']]
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diff changeset
471 return self._ppid
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
472
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
473 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
474 def uids(self):
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diff changeset
475 try:
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476 real, effective, saved, _, _, _ = self._proc_cred()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
477 except AccessDenied:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
478 real = self._proc_basic_info()[proc_info_map['uid']]
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diff changeset
479 effective = self._proc_basic_info()[proc_info_map['euid']]
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diff changeset
480 saved = None
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
481 return _common.puids(real, effective, saved)
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diff changeset
482
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
483 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
484 def gids(self):
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diff changeset
485 try:
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diff changeset
486 _, _, _, real, effective, saved = self._proc_cred()
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parents:
diff changeset
487 except AccessDenied:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
488 real = self._proc_basic_info()[proc_info_map['gid']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
489 effective = self._proc_basic_info()[proc_info_map['egid']]
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diff changeset
490 saved = None
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
491 return _common.puids(real, effective, saved)
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guerler
parents:
diff changeset
492
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
493 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
494 def cpu_times(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
495 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
496 times = cext.proc_cpu_times(self.pid, self._procfs_path)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
497 except OSError as err:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
498 if err.errno == errno.EOVERFLOW and not IS_64_BIT:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
499 # We may get here if we attempt to query a 64bit process
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guerler
parents:
diff changeset
500 # with a 32bit python.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
501 # Error originates from read() and also tools like "cat"
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
502 # fail in the same way (!).
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
503 # Since there simply is no way to determine CPU times we
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
504 # return 0.0 as a fallback. See:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
505 # https://github.com/giampaolo/psutil/issues/857
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
506 times = (0.0, 0.0, 0.0, 0.0)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
507 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
508 raise
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
509 return _common.pcputimes(*times)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
510
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
511 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
512 def cpu_num(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
513 return cext.proc_cpu_num(self.pid, self._procfs_path)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
514
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
515 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
516 def terminal(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
517 procfs_path = self._procfs_path
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
518 hit_enoent = False
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
519 tty = wrap_exceptions(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
520 self._proc_basic_info()[proc_info_map['ttynr']])
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
521 if tty != cext.PRNODEV:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
522 for x in (0, 1, 2, 255):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
523 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
524 return os.readlink(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
525 '%s/%d/path/%d' % (procfs_path, self.pid, x))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
526 except FileNotFoundError:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
527 hit_enoent = True
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
528 continue
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
529 if hit_enoent:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
530 self._assert_alive()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
531
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
532 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
533 def cwd(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
534 # /proc/PID/path/cwd may not be resolved by readlink() even if
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
535 # it exists (ls shows it). If that's the case and the process
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
536 # is still alive return None (we can return None also on BSD).
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
537 # Reference: http://goo.gl/55XgO
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
538 procfs_path = self._procfs_path
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
539 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
540 return os.readlink("%s/%s/path/cwd" % (procfs_path, self.pid))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
541 except FileNotFoundError:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
542 os.stat("%s/%s" % (procfs_path, self.pid)) # raise NSP or AD
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
543 return None
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
544
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
545 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
546 def memory_info(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
547 ret = self._proc_basic_info()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
548 rss = ret[proc_info_map['rss']] * 1024
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
549 vms = ret[proc_info_map['vms']] * 1024
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
550 return pmem(rss, vms)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
551
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
552 memory_full_info = memory_info
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
553
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
554 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
555 def status(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
556 code = self._proc_basic_info()[proc_info_map['status']]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
557 # XXX is '?' legit? (we're not supposed to return it anyway)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
558 return PROC_STATUSES.get(code, '?')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
559
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
560 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
561 def threads(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
562 procfs_path = self._procfs_path
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
563 ret = []
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
564 tids = os.listdir('%s/%d/lwp' % (procfs_path, self.pid))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
565 hit_enoent = False
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
566 for tid in tids:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
567 tid = int(tid)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
568 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
569 utime, stime = cext.query_process_thread(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
570 self.pid, tid, procfs_path)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
571 except EnvironmentError as err:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
572 if err.errno == errno.EOVERFLOW and not IS_64_BIT:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
573 # We may get here if we attempt to query a 64bit process
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
574 # with a 32bit python.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
575 # Error originates from read() and also tools like "cat"
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
576 # fail in the same way (!).
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
577 # Since there simply is no way to determine CPU times we
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
578 # return 0.0 as a fallback. See:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
579 # https://github.com/giampaolo/psutil/issues/857
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
580 continue
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
581 # ENOENT == thread gone in meantime
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
582 if err.errno == errno.ENOENT:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
583 hit_enoent = True
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
584 continue
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
585 raise
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
586 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
587 nt = _common.pthread(tid, utime, stime)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
588 ret.append(nt)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
589 if hit_enoent:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
590 self._assert_alive()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
591 return ret
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
592
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
593 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
594 def open_files(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
595 retlist = []
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
596 hit_enoent = False
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
597 procfs_path = self._procfs_path
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
598 pathdir = '%s/%d/path' % (procfs_path, self.pid)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
599 for fd in os.listdir('%s/%d/fd' % (procfs_path, self.pid)):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
600 path = os.path.join(pathdir, fd)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
601 if os.path.islink(path):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
602 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
603 file = os.readlink(path)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
604 except FileNotFoundError:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
605 hit_enoent = True
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
606 continue
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
607 else:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
608 if isfile_strict(file):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
609 retlist.append(_common.popenfile(file, int(fd)))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
610 if hit_enoent:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
611 self._assert_alive()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
612 return retlist
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
613
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
614 def _get_unix_sockets(self, pid):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
615 """Get UNIX sockets used by process by parsing 'pfiles' output."""
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
616 # TODO: rewrite this in C (...but the damn netstat source code
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
617 # does not include this part! Argh!!)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
618 cmd = "pfiles %s" % pid
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
619 p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
620 stderr=subprocess.PIPE)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
621 stdout, stderr = p.communicate()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
622 if PY3:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
623 stdout, stderr = [x.decode(sys.stdout.encoding)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
624 for x in (stdout, stderr)]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
625 if p.returncode != 0:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
626 if 'permission denied' in stderr.lower():
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
627 raise AccessDenied(self.pid, self._name)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
628 if 'no such process' in stderr.lower():
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
629 raise NoSuchProcess(self.pid, self._name)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
630 raise RuntimeError("%r command error\n%s" % (cmd, stderr))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
631
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
632 lines = stdout.split('\n')[2:]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
633 for i, line in enumerate(lines):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
634 line = line.lstrip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
635 if line.startswith('sockname: AF_UNIX'):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
636 path = line.split(' ', 2)[2]
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
637 type = lines[i - 2].strip()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
638 if type == 'SOCK_STREAM':
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diff changeset
639 type = socket.SOCK_STREAM
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diff changeset
640 elif type == 'SOCK_DGRAM':
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diff changeset
641 type = socket.SOCK_DGRAM
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642 else:
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diff changeset
643 type = -1
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diff changeset
644 yield (-1, socket.AF_UNIX, type, path, "", _common.CONN_NONE)
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diff changeset
645
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parents:
diff changeset
646 @wrap_exceptions
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647 def connections(self, kind='inet'):
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648 ret = net_connections(kind, _pid=self.pid)
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diff changeset
649 # The underlying C implementation retrieves all OS connections
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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650 # and filters them by PID. At this point we can't tell whether
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diff changeset
651 # an empty list means there were no connections for process or
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diff changeset
652 # process is no longer active so we force NSP in case the PID
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diff changeset
653 # is no longer there.
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654 if not ret:
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parents:
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655 # will raise NSP if process is gone
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diff changeset
656 os.stat('%s/%s' % (self._procfs_path, self.pid))
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657
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658 # UNIX sockets
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659 if kind in ('all', 'unix'):
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diff changeset
660 ret.extend([_common.pconn(*conn) for conn in
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diff changeset
661 self._get_unix_sockets(self.pid)])
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diff changeset
662 return ret
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diff changeset
663
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664 nt_mmap_grouped = namedtuple('mmap', 'path rss anon locked')
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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665 nt_mmap_ext = namedtuple('mmap', 'addr perms path rss anon locked')
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666
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667 @wrap_exceptions
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668 def memory_maps(self):
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669 def toaddr(start, end):
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670 return '%s-%s' % (hex(start)[2:].strip('L'),
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diff changeset
671 hex(end)[2:].strip('L'))
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diff changeset
672
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673 procfs_path = self._procfs_path
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674 retlist = []
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675 try:
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676 rawlist = cext.proc_memory_maps(self.pid, procfs_path)
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677 except OSError as err:
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678 if err.errno == errno.EOVERFLOW and not IS_64_BIT:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
679 # We may get here if we attempt to query a 64bit process
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parents:
diff changeset
680 # with a 32bit python.
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diff changeset
681 # Error originates from read() and also tools like "cat"
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guerler
parents:
diff changeset
682 # fail in the same way (!).
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diff changeset
683 # Since there simply is no way to determine CPU times we
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diff changeset
684 # return 0.0 as a fallback. See:
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diff changeset
685 # https://github.com/giampaolo/psutil/issues/857
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686 return []
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687 else:
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688 raise
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689 hit_enoent = False
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690 for item in rawlist:
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diff changeset
691 addr, addrsize, perm, name, rss, anon, locked = item
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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692 addr = toaddr(addr, addrsize)
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diff changeset
693 if not name.startswith('['):
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694 try:
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695 name = os.readlink(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
696 '%s/%s/path/%s' % (procfs_path, self.pid, name))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
697 except OSError as err:
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diff changeset
698 if err.errno == errno.ENOENT:
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guerler
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diff changeset
699 # sometimes the link may not be resolved by
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parents:
diff changeset
700 # readlink() even if it exists (ls shows it).
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diff changeset
701 # If that's the case we just return the
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guerler
parents:
diff changeset
702 # unresolved link path.
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
703 # This seems an incosistency with /proc similar
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parents:
diff changeset
704 # to: http://goo.gl/55XgO
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705 name = '%s/%s/path/%s' % (procfs_path, self.pid, name)
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diff changeset
706 hit_enoent = True
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diff changeset
707 else:
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diff changeset
708 raise
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diff changeset
709 retlist.append((addr, perm, name, rss, anon, locked))
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guerler
parents:
diff changeset
710 if hit_enoent:
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diff changeset
711 self._assert_alive()
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diff changeset
712 return retlist
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
713
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guerler
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diff changeset
714 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
715 def num_fds(self):
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diff changeset
716 return len(os.listdir("%s/%s/fd" % (self._procfs_path, self.pid)))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
717
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
718 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
719 def num_ctx_switches(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
720 return _common.pctxsw(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
721 *cext.proc_num_ctx_switches(self.pid, self._procfs_path))
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
722
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
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diff changeset
723 @wrap_exceptions
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
724 def wait(self, timeout=None):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
725 return _psposix.wait_pid(self.pid, timeout, self._name)