Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/psutil/_psaix.py @ 4:79f47841a781 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:47:39 -0400
parents 26e78fe6e8c4
children
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1 # Copyright (c) 2009, Giampaolo Rodola'
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2 # Copyright (c) 2017, Arnon Yaari
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3 # 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 """AIX platform implementation."""
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8
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9 import functools
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10 import glob
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11 import os
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12 import re
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13 import subprocess
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14 import sys
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15 from collections import namedtuple
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16
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17 from . import _common
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18 from . import _psposix
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19 from . import _psutil_aix as cext
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20 from . import _psutil_posix as cext_posix
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21 from ._common import AccessDenied
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22 from ._common import conn_to_ntuple
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23 from ._common import get_procfs_path
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24 from ._common import memoize_when_activated
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25 from ._common import NIC_DUPLEX_FULL
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26 from ._common import NIC_DUPLEX_HALF
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27 from ._common import NIC_DUPLEX_UNKNOWN
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28 from ._common import NoSuchProcess
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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 FileNotFoundError
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32 from ._compat import PermissionError
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33 from ._compat import ProcessLookupError
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34 from ._compat import PY3
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35
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36
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37 __extra__all__ = ["PROCFS_PATH"]
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38
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39
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40 # =====================================================================
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41 # --- globals
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42 # =====================================================================
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43
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44
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45 HAS_THREADS = hasattr(cext, "proc_threads")
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46 HAS_NET_IO_COUNTERS = hasattr(cext, "net_io_counters")
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47 HAS_PROC_IO_COUNTERS = hasattr(cext, "proc_io_counters")
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48
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49 PAGE_SIZE = os.sysconf('SC_PAGE_SIZE')
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50 AF_LINK = cext_posix.AF_LINK
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51
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52 PROC_STATUSES = {
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53 cext.SIDL: _common.STATUS_IDLE,
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54 cext.SZOMB: _common.STATUS_ZOMBIE,
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55 cext.SACTIVE: _common.STATUS_RUNNING,
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56 cext.SSWAP: _common.STATUS_RUNNING, # TODO what status is this?
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57 cext.SSTOP: _common.STATUS_STOPPED,
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58 }
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59
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60 TCP_STATUSES = {
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61 cext.TCPS_ESTABLISHED: _common.CONN_ESTABLISHED,
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62 cext.TCPS_SYN_SENT: _common.CONN_SYN_SENT,
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63 cext.TCPS_SYN_RCVD: _common.CONN_SYN_RECV,
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64 cext.TCPS_FIN_WAIT_1: _common.CONN_FIN_WAIT1,
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65 cext.TCPS_FIN_WAIT_2: _common.CONN_FIN_WAIT2,
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66 cext.TCPS_TIME_WAIT: _common.CONN_TIME_WAIT,
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67 cext.TCPS_CLOSED: _common.CONN_CLOSE,
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68 cext.TCPS_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
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69 cext.TCPS_LAST_ACK: _common.CONN_LAST_ACK,
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70 cext.TCPS_LISTEN: _common.CONN_LISTEN,
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71 cext.TCPS_CLOSING: _common.CONN_CLOSING,
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72 cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
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73 }
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74
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75 proc_info_map = dict(
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76 ppid=0,
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77 rss=1,
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78 vms=2,
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79 create_time=3,
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80 nice=4,
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81 num_threads=5,
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82 status=6,
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83 ttynr=7)
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84
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85
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86 # =====================================================================
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87 # --- named tuples
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88 # =====================================================================
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89
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90
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91 # psutil.Process.memory_info()
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92 pmem = namedtuple('pmem', ['rss', 'vms'])
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93 # psutil.Process.memory_full_info()
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94 pfullmem = pmem
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95 # psutil.Process.cpu_times()
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96 scputimes = namedtuple('scputimes', ['user', 'system', 'idle', 'iowait'])
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97 # psutil.virtual_memory()
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98 svmem = namedtuple('svmem', ['total', 'available', 'percent', 'used', 'free'])
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99
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100
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101 # =====================================================================
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102 # --- memory
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103 # =====================================================================
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104
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105
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106 def virtual_memory():
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107 total, avail, free, pinned, inuse = cext.virtual_mem()
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108 percent = usage_percent((total - avail), total, round_=1)
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109 return svmem(total, avail, percent, inuse, free)
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110
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111
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112 def swap_memory():
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113 """Swap system memory as a (total, used, free, sin, sout) tuple."""
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114 total, free, sin, sout = cext.swap_mem()
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115 used = total - free
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116 percent = usage_percent(used, total, round_=1)
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117 return _common.sswap(total, used, free, percent, sin, sout)
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118
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119
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120 # =====================================================================
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121 # --- CPU
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122 # =====================================================================
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123
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124
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125 def cpu_times():
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126 """Return system-wide CPU times as a named tuple"""
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127 ret = cext.per_cpu_times()
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128 return scputimes(*[sum(x) for x in zip(*ret)])
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129
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130
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131 def per_cpu_times():
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132 """Return system per-CPU times as a list of named tuples"""
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133 ret = cext.per_cpu_times()
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134 return [scputimes(*x) for x in ret]
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135
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136
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137 def cpu_count_logical():
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138 """Return the number of logical CPUs in the system."""
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139 try:
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140 return os.sysconf("SC_NPROCESSORS_ONLN")
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141 except ValueError:
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142 # mimic os.cpu_count() behavior
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143 return None
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144
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145
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146 def cpu_count_physical():
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147 cmd = "lsdev -Cc processor"
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148 p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
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149 stderr=subprocess.PIPE)
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150 stdout, stderr = p.communicate()
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151 if PY3:
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152 stdout, stderr = [x.decode(sys.stdout.encoding)
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153 for x in (stdout, stderr)]
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154 if p.returncode != 0:
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155 raise RuntimeError("%r command error\n%s" % (cmd, stderr))
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156 processors = stdout.strip().splitlines()
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157 return len(processors) or None
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158
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159
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160 def cpu_stats():
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161 """Return various CPU stats as a named tuple."""
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162 ctx_switches, interrupts, soft_interrupts, syscalls = cext.cpu_stats()
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163 return _common.scpustats(
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164 ctx_switches, interrupts, soft_interrupts, syscalls)
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165
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166
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167 # =====================================================================
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168 # --- disks
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169 # =====================================================================
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170
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171
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172 disk_io_counters = cext.disk_io_counters
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173 disk_usage = _psposix.disk_usage
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174
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175
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176 def disk_partitions(all=False):
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177 """Return system disk partitions."""
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178 # TODO - the filtering logic should be better checked so that
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179 # it tries to reflect 'df' as much as possible
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180 retlist = []
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181 partitions = cext.disk_partitions()
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182 for partition in partitions:
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183 device, mountpoint, fstype, opts = partition
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184 if device == 'none':
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185 device = ''
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186 if not all:
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187 # Differently from, say, Linux, we don't have a list of
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188 # common fs types so the best we can do, AFAIK, is to
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189 # filter by filesystem having a total size > 0.
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190 if not disk_usage(mountpoint).total:
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191 continue
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192 ntuple = _common.sdiskpart(device, mountpoint, fstype, opts)
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193 retlist.append(ntuple)
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194 return retlist
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195
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196
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197 # =====================================================================
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198 # --- network
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199 # =====================================================================
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200
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201
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202 net_if_addrs = cext_posix.net_if_addrs
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203
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204 if HAS_NET_IO_COUNTERS:
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205 net_io_counters = cext.net_io_counters
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206
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207
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208 def net_connections(kind, _pid=-1):
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209 """Return socket connections. If pid == -1 return system-wide
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210 connections (as opposed to connections opened by one process only).
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211 """
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212 cmap = _common.conn_tmap
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213 if kind not in cmap:
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214 raise ValueError("invalid %r kind argument; choose between %s"
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215 % (kind, ', '.join([repr(x) for x in cmap])))
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216 families, types = _common.conn_tmap[kind]
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217 rawlist = cext.net_connections(_pid)
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218 ret = []
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219 for item in rawlist:
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220 fd, fam, type_, laddr, raddr, status, pid = item
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221 if fam not in families:
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222 continue
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223 if type_ not in types:
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224 continue
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225 nt = conn_to_ntuple(fd, fam, type_, laddr, raddr, status,
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226 TCP_STATUSES, pid=pid if _pid == -1 else None)
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227 ret.append(nt)
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228 return ret
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229
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230
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231 def net_if_stats():
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232 """Get NIC stats (isup, duplex, speed, mtu)."""
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233 duplex_map = {"Full": NIC_DUPLEX_FULL,
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234 "Half": NIC_DUPLEX_HALF}
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235 names = set([x[0] for x in net_if_addrs()])
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236 ret = {}
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237 for name in names:
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238 isup, mtu = cext.net_if_stats(name)
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239
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240 # try to get speed and duplex
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241 # TODO: rewrite this in C (entstat forks, so use truss -f to follow.
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242 # looks like it is using an undocumented ioctl?)
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243 duplex = ""
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244 speed = 0
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245 p = subprocess.Popen(["/usr/bin/entstat", "-d", name],
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246 stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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247 stdout, stderr = p.communicate()
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248 if PY3:
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249 stdout, stderr = [x.decode(sys.stdout.encoding)
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250 for x in (stdout, stderr)]
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251 if p.returncode == 0:
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252 re_result = re.search(
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253 r"Running: (\d+) Mbps.*?(\w+) Duplex", stdout)
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254 if re_result is not None:
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255 speed = int(re_result.group(1))
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256 duplex = re_result.group(2)
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257
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258 duplex = duplex_map.get(duplex, NIC_DUPLEX_UNKNOWN)
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259 ret[name] = _common.snicstats(isup, duplex, speed, mtu)
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260 return ret
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261
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262
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263 # =====================================================================
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264 # --- other system functions
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265 # =====================================================================
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266
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267
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268 def boot_time():
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269 """The system boot time expressed in seconds since the epoch."""
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270 return cext.boot_time()
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271
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272
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273 def users():
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274 """Return currently connected users as a list of namedtuples."""
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275 retlist = []
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276 rawlist = cext.users()
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277 localhost = (':0.0', ':0')
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278 for item in rawlist:
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279 user, tty, hostname, tstamp, user_process, pid = item
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280 # note: the underlying C function includes entries about
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281 # system boot, run level and others. We might want
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282 # to use them in the future.
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283 if not user_process:
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284 continue
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285 if hostname in localhost:
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286 hostname = 'localhost'
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287 nt = _common.suser(user, tty, hostname, tstamp, pid)
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288 retlist.append(nt)
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289 return retlist
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290
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291
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292 # =====================================================================
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293 # --- processes
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294 # =====================================================================
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295
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296
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297 def pids():
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298 """Returns a list of PIDs currently running on the system."""
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299 return [int(x) for x in os.listdir(get_procfs_path()) if x.isdigit()]
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300
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301
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302 def pid_exists(pid):
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303 """Check for the existence of a unix pid."""
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304 return os.path.exists(os.path.join(get_procfs_path(), str(pid), "psinfo"))
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305
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306
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307 def wrap_exceptions(fun):
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308 """Call callable into a try/except clause and translate ENOENT,
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309 EACCES and EPERM in NoSuchProcess or AccessDenied exceptions.
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310 """
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311 @functools.wraps(fun)
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312 def wrapper(self, *args, **kwargs):
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313 try:
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314 return fun(self, *args, **kwargs)
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315 except (FileNotFoundError, ProcessLookupError):
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316 # ENOENT (no such file or directory) gets raised on open().
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317 # ESRCH (no such process) can get raised on read() if
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318 # process is gone in meantime.
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319 if not pid_exists(self.pid):
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320 raise NoSuchProcess(self.pid, self._name)
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321 else:
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322 raise ZombieProcess(self.pid, self._name, self._ppid)
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323 except PermissionError:
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324 raise AccessDenied(self.pid, self._name)
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325 return wrapper
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326
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327
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328 class Process(object):
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329 """Wrapper class around underlying C implementation."""
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330
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331 __slots__ = ["pid", "_name", "_ppid", "_procfs_path", "_cache"]
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332
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333 def __init__(self, pid):
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334 self.pid = pid
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335 self._name = None
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336 self._ppid = None
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337 self._procfs_path = get_procfs_path()
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338
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339 def oneshot_enter(self):
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340 self._proc_basic_info.cache_activate(self)
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341 self._proc_cred.cache_activate(self)
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342
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343 def oneshot_exit(self):
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344 self._proc_basic_info.cache_deactivate(self)
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345 self._proc_cred.cache_deactivate(self)
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346
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347 @wrap_exceptions
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348 @memoize_when_activated
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349 def _proc_basic_info(self):
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350 return cext.proc_basic_info(self.pid, self._procfs_path)
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351
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352 @wrap_exceptions
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353 @memoize_when_activated
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354 def _proc_cred(self):
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355 return cext.proc_cred(self.pid, self._procfs_path)
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356
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357 @wrap_exceptions
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358 def name(self):
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359 if self.pid == 0:
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360 return "swapper"
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361 # note: max 16 characters
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362 return cext.proc_name(self.pid, self._procfs_path).rstrip("\x00")
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363
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364 @wrap_exceptions
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365 def exe(self):
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366 # there is no way to get executable path in AIX other than to guess,
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367 # and guessing is more complex than what's in the wrapping class
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368 cmdline = self.cmdline()
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369 if not cmdline:
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370 return ''
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371 exe = cmdline[0]
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372 if os.path.sep in exe:
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373 # relative or absolute path
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374 if not os.path.isabs(exe):
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375 # if cwd has changed, we're out of luck - this may be wrong!
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376 exe = os.path.abspath(os.path.join(self.cwd(), exe))
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377 if (os.path.isabs(exe) and
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378 os.path.isfile(exe) and
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379 os.access(exe, os.X_OK)):
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380 return exe
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381 # not found, move to search in PATH using basename only
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382 exe = os.path.basename(exe)
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383 # search for exe name PATH
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384 for path in os.environ["PATH"].split(":"):
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parents:
diff changeset
385 possible_exe = os.path.abspath(os.path.join(path, exe))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
386 if (os.path.isfile(possible_exe) and
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
387 os.access(possible_exe, os.X_OK)):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
388 return possible_exe
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
389 return ''
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
390
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
391 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
392 def cmdline(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
393 return cext.proc_args(self.pid)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
394
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
395 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
396 def environ(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
397 return cext.proc_environ(self.pid)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
398
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
399 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
400 def create_time(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
401 return self._proc_basic_info()[proc_info_map['create_time']]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
402
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
403 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
404 def num_threads(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
405 return self._proc_basic_info()[proc_info_map['num_threads']]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
406
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
407 if HAS_THREADS:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
408 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
409 def threads(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
410 rawlist = cext.proc_threads(self.pid)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
411 retlist = []
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
412 for thread_id, utime, stime in rawlist:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
413 ntuple = _common.pthread(thread_id, utime, stime)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
414 retlist.append(ntuple)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
415 # The underlying C implementation retrieves all OS threads
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
416 # and filters them by PID. At this point we can't tell whether
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
417 # an empty list means there were no connections for process or
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
418 # process is no longer active so we force NSP in case the PID
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
419 # is no longer there.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
420 if not retlist:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
421 # will raise NSP if process is gone
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
422 os.stat('%s/%s' % (self._procfs_path, self.pid))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
423 return retlist
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
424
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
425 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
426 def connections(self, kind='inet'):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
427 ret = net_connections(kind, _pid=self.pid)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
428 # The underlying C implementation retrieves all OS connections
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
429 # and filters them by PID. At this point we can't tell whether
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
430 # an empty list means there were no connections for process or
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
431 # process is no longer active so we force NSP in case the PID
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
432 # is no longer there.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
433 if not ret:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
434 # will raise NSP if process is gone
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
435 os.stat('%s/%s' % (self._procfs_path, self.pid))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
436 return ret
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
437
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
438 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
439 def nice_get(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
440 return cext_posix.getpriority(self.pid)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
441
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
442 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
443 def nice_set(self, value):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
444 return cext_posix.setpriority(self.pid, value)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
445
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
446 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
447 def ppid(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
448 self._ppid = self._proc_basic_info()[proc_info_map['ppid']]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
449 return self._ppid
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
450
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
451 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
452 def uids(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
453 real, effective, saved, _, _, _ = self._proc_cred()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
454 return _common.puids(real, effective, saved)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
455
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
456 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
457 def gids(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
458 _, _, _, real, effective, saved = self._proc_cred()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
459 return _common.puids(real, effective, saved)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
460
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
461 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
462 def cpu_times(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
463 cpu_times = cext.proc_cpu_times(self.pid, self._procfs_path)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
464 return _common.pcputimes(*cpu_times)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
465
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
466 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
467 def terminal(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
468 ttydev = self._proc_basic_info()[proc_info_map['ttynr']]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
469 # convert from 64-bit dev_t to 32-bit dev_t and then map the device
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
470 ttydev = (((ttydev & 0x0000FFFF00000000) >> 16) | (ttydev & 0xFFFF))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
471 # try to match rdev of /dev/pts/* files ttydev
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
472 for dev in glob.glob("/dev/**/*"):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
473 if os.stat(dev).st_rdev == ttydev:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
474 return dev
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
475 return None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
476
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
477 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
478 def cwd(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
479 procfs_path = self._procfs_path
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
480 try:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
481 result = os.readlink("%s/%s/cwd" % (procfs_path, self.pid))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
482 return result.rstrip('/')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
483 except FileNotFoundError:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
484 os.stat("%s/%s" % (procfs_path, self.pid)) # raise NSP or AD
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
485 return None
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
486
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
487 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
488 def memory_info(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
489 ret = self._proc_basic_info()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
490 rss = ret[proc_info_map['rss']] * 1024
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
491 vms = ret[proc_info_map['vms']] * 1024
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
492 return pmem(rss, vms)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
493
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
494 memory_full_info = memory_info
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
495
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
496 @wrap_exceptions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
497 def status(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
498 code = self._proc_basic_info()[proc_info_map['status']]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
499 # XXX is '?' legit? (we're not supposed to return it anyway)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
500 return PROC_STATUSES.get(code, '?')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
501
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
502 def open_files(self):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
503 # TODO rewrite without using procfiles (stat /proc/pid/fd/* and then
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
504 # find matching name of the inode)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
505 p = subprocess.Popen(["/usr/bin/procfiles", "-n", str(self.pid)],
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
506 stdout=subprocess.PIPE, stderr=subprocess.PIPE)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
507 stdout, stderr = p.communicate()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
508 if PY3:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
509 stdout, stderr = [x.decode(sys.stdout.encoding)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
510 for x in (stdout, stderr)]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
511 if "no such process" in stderr.lower():
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
512 raise NoSuchProcess(self.pid, self._name)
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513 procfiles = re.findall(r"(\d+): S_IFREG.*\s*.*name:(.*)\n", stdout)
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514 retlist = []
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515 for fd, path in procfiles:
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516 path = path.strip()
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517 if path.startswith("//"):
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518 path = path[1:]
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519 if path.lower() == "cannot be retrieved":
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520 continue
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521 retlist.append(_common.popenfile(path, int(fd)))
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522 return retlist
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523
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524 @wrap_exceptions
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525 def num_fds(self):
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526 if self.pid == 0: # no /proc/0/fd
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527 return 0
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528 return len(os.listdir("%s/%s/fd" % (self._procfs_path, self.pid)))
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shellac
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529
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530 @wrap_exceptions
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531 def num_ctx_switches(self):
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532 return _common.pctxsw(
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shellac
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533 *cext.proc_num_ctx_switches(self.pid))
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shellac
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534
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535 @wrap_exceptions
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shellac
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536 def wait(self, timeout=None):
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537 return _psposix.wait_pid(self.pid, timeout, self._name)
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shellac
parents:
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538
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shellac
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539 if HAS_PROC_IO_COUNTERS:
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diff changeset
540 @wrap_exceptions
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shellac
parents:
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541 def io_counters(self):
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shellac
parents:
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542 try:
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shellac
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543 rc, wc, rb, wb = cext.proc_io_counters(self.pid)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
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544 except OSError:
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parents:
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545 # if process is terminated, proc_io_counters returns OSError
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shellac
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diff changeset
546 # instead of NSP
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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547 if not pid_exists(self.pid):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
548 raise NoSuchProcess(self.pid, self._name)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
549 raise
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shellac
parents:
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550 return _common.pio(rc, wc, rb, wb)