/usr/lib/python2.7/dist-packages/psutil/_psosx.py is in python-psutil 1.2.1-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 | #!/usr/bin/env python
# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""OSX platform implementation."""
import errno
import os
import sys
import warnings
import _psutil_osx
import _psutil_posix
from psutil import _psposix
from psutil._common import *
from psutil._compat import namedtuple, wraps
from psutil._error import AccessDenied, NoSuchProcess, TimeoutExpired
__extra__all__ = []
# --- constants
# Since these constants get determined at import time we do not want to
# crash immediately; instead we'll set them to None and most likely
# we'll crash later as they're used for determining process CPU stats
# and creation_time
try:
NUM_CPUS = _psutil_osx.get_num_cpus()
except Exception:
NUM_CPUS = None
warnings.warn("couldn't determine platform's NUM_CPUS", RuntimeWarning)
try:
BOOT_TIME = _psutil_osx.get_system_boot_time()
except Exception:
BOOT_TIME = None
warnings.warn("couldn't determine platform's BOOT_TIME", RuntimeWarning)
try:
TOTAL_PHYMEM = _psutil_osx.get_virtual_mem()[0]
except Exception:
TOTAL_PHYMEM = None
warnings.warn("couldn't determine platform's TOTAL_PHYMEM", RuntimeWarning)
PAGESIZE = os.sysconf("SC_PAGE_SIZE")
# http://students.mimuw.edu.pl/lxr/source/include/net/tcp_states.h
TCP_STATUSES = {
_psutil_osx.TCPS_ESTABLISHED: CONN_ESTABLISHED,
_psutil_osx.TCPS_SYN_SENT: CONN_SYN_SENT,
_psutil_osx.TCPS_SYN_RECEIVED: CONN_SYN_RECV,
_psutil_osx.TCPS_FIN_WAIT_1: CONN_FIN_WAIT1,
_psutil_osx.TCPS_FIN_WAIT_2: CONN_FIN_WAIT2,
_psutil_osx.TCPS_TIME_WAIT: CONN_TIME_WAIT,
_psutil_osx.TCPS_CLOSED: CONN_CLOSE,
_psutil_osx.TCPS_CLOSE_WAIT: CONN_CLOSE_WAIT,
_psutil_osx.TCPS_LAST_ACK: CONN_LAST_ACK,
_psutil_osx.TCPS_LISTEN: CONN_LISTEN,
_psutil_osx.TCPS_CLOSING: CONN_CLOSING,
_psutil_osx.PSUTIL_CONN_NONE: CONN_NONE,
}
PROC_STATUSES = {
_psutil_osx.SIDL: STATUS_IDLE,
_psutil_osx.SRUN: STATUS_RUNNING,
_psutil_osx.SSLEEP: STATUS_SLEEPING,
_psutil_osx.SSTOP: STATUS_STOPPED,
_psutil_osx.SZOMB: STATUS_ZOMBIE,
}
# --- functions
get_system_boot_time = _psutil_osx.get_system_boot_time
# ...so that we can test it from test_memory_leask.py
get_num_cpus = _psutil_osx.get_num_cpus()
nt_virtmem_info = namedtuple('vmem', ' '.join([
# all platforms
'total', 'available', 'percent', 'used', 'free',
# OSX specific
'active',
'inactive',
'wired']))
def virtual_memory():
"""System virtual memory as a namedtuple."""
total, active, inactive, wired, free = _psutil_osx.get_virtual_mem()
avail = inactive + free
used = active + inactive + wired
percent = usage_percent((total - avail), total, _round=1)
return nt_virtmem_info(total, avail, percent, used, free,
active, inactive, wired)
def swap_memory():
"""Swap system memory as a (total, used, free, sin, sout) tuple."""
total, used, free, sin, sout = _psutil_osx.get_swap_mem()
percent = usage_percent(used, total, _round=1)
return nt_swapmeminfo(total, used, free, percent, sin, sout)
_cputimes_ntuple = namedtuple('cputimes', 'user nice system idle')
def get_system_cpu_times():
"""Return system CPU times as a namedtuple."""
user, nice, system, idle = _psutil_osx.get_system_cpu_times()
return _cputimes_ntuple(user, nice, system, idle)
def get_system_per_cpu_times():
"""Return system CPU times as a named tuple"""
ret = []
for cpu_t in _psutil_osx.get_system_per_cpu_times():
user, nice, system, idle = cpu_t
item = _cputimes_ntuple(user, nice, system, idle)
ret.append(item)
return ret
def disk_partitions(all=False):
retlist = []
partitions = _psutil_osx.get_disk_partitions()
for partition in partitions:
device, mountpoint, fstype, opts = partition
if device == 'none':
device = ''
if not all:
if not os.path.isabs(device) or not os.path.exists(device):
continue
ntuple = nt_partition(device, mountpoint, fstype, opts)
retlist.append(ntuple)
return retlist
def get_system_users():
retlist = []
rawlist = _psutil_osx.get_system_users()
for item in rawlist:
user, tty, hostname, tstamp = item
if tty == '~':
continue # reboot or shutdown
if not tstamp:
continue
nt = nt_user(user, tty or None, hostname or None, tstamp)
retlist.append(nt)
return retlist
get_pid_list = _psutil_osx.get_pid_list
pid_exists = _psposix.pid_exists
get_disk_usage = _psposix.get_disk_usage
net_io_counters = _psutil_osx.get_net_io_counters
disk_io_counters = _psutil_osx.get_disk_io_counters
def wrap_exceptions(fun):
"""Decorator which translates bare OSError exceptions into
NoSuchProcess and AccessDenied.
"""
@wraps(fun)
def wrapper(self, *args, **kwargs):
try:
return fun(self, *args, **kwargs)
except OSError:
err = sys.exc_info()[1]
if err.errno == errno.ESRCH:
raise NoSuchProcess(self.pid, self._process_name)
if err.errno in (errno.EPERM, errno.EACCES):
raise AccessDenied(self.pid, self._process_name)
raise
return wrapper
class Process(object):
"""Wrapper class around underlying C implementation."""
__slots__ = ["pid", "_process_name"]
def __init__(self, pid):
self.pid = pid
self._process_name = None
@wrap_exceptions
def get_process_name(self):
"""Return process name as a string of limited len (15)."""
return _psutil_osx.get_process_name(self.pid)
@wrap_exceptions
def get_process_exe(self):
return _psutil_osx.get_process_exe(self.pid)
@wrap_exceptions
def get_process_cmdline(self):
"""Return process cmdline as a list of arguments."""
if not pid_exists(self.pid):
raise NoSuchProcess(self.pid, self._process_name)
return _psutil_osx.get_process_cmdline(self.pid)
@wrap_exceptions
def get_process_ppid(self):
"""Return process parent pid."""
return _psutil_osx.get_process_ppid(self.pid)
@wrap_exceptions
def get_process_cwd(self):
return _psutil_osx.get_process_cwd(self.pid)
@wrap_exceptions
def get_process_uids(self):
real, effective, saved = _psutil_osx.get_process_uids(self.pid)
return nt_uids(real, effective, saved)
@wrap_exceptions
def get_process_gids(self):
real, effective, saved = _psutil_osx.get_process_gids(self.pid)
return nt_gids(real, effective, saved)
@wrap_exceptions
def get_process_terminal(self):
tty_nr = _psutil_osx.get_process_tty_nr(self.pid)
tmap = _psposix._get_terminal_map()
try:
return tmap[tty_nr]
except KeyError:
return None
@wrap_exceptions
def get_memory_info(self):
"""Return a tuple with the process' RSS and VMS size."""
rss, vms = _psutil_osx.get_process_memory_info(self.pid)[:2]
return nt_meminfo(rss, vms)
_nt_ext_mem = namedtuple('meminfo', 'rss vms pfaults pageins')
@wrap_exceptions
def get_ext_memory_info(self):
"""Return a tuple with the process' RSS and VMS size."""
rss, vms, pfaults, pageins = _psutil_osx.get_process_memory_info(self.pid)
return self._nt_ext_mem(rss, vms,
pfaults * PAGESIZE,
pageins * PAGESIZE)
@wrap_exceptions
def get_cpu_times(self):
user, system = _psutil_osx.get_process_cpu_times(self.pid)
return nt_cputimes(user, system)
@wrap_exceptions
def get_process_create_time(self):
"""Return the start time of the process as a number of seconds since
the epoch."""
return _psutil_osx.get_process_create_time(self.pid)
@wrap_exceptions
def get_num_ctx_switches(self):
return nt_ctxsw(*_psutil_osx.get_process_num_ctx_switches(self.pid))
@wrap_exceptions
def get_process_num_threads(self):
"""Return the number of threads belonging to the process."""
return _psutil_osx.get_process_num_threads(self.pid)
@wrap_exceptions
def get_open_files(self):
"""Return files opened by process."""
if self.pid == 0:
return []
files = []
rawlist = _psutil_osx.get_process_open_files(self.pid)
for path, fd in rawlist:
if isfile_strict(path):
ntuple = nt_openfile(path, fd)
files.append(ntuple)
return files
@wrap_exceptions
def get_connections(self, kind='inet'):
"""Return etwork connections opened by a process as a list of
namedtuples.
"""
if kind not in conn_tmap:
raise ValueError("invalid %r kind argument; choose between %s"
% (kind, ', '.join([repr(x) for x in conn_tmap])))
families, types = conn_tmap[kind]
rawlist = _psutil_osx.get_process_connections(self.pid, families, types)
ret = []
for item in rawlist:
fd, fam, type, laddr, raddr, status = item
status = TCP_STATUSES[status]
nt = nt_connection(fd, fam, type, laddr, raddr, status)
ret.append(nt)
return ret
@wrap_exceptions
def get_num_fds(self):
if self.pid == 0:
return 0
return _psutil_osx.get_process_num_fds(self.pid)
@wrap_exceptions
def process_wait(self, timeout=None):
try:
return _psposix.wait_pid(self.pid, timeout)
except TimeoutExpired:
raise TimeoutExpired(self.pid, self._process_name)
@wrap_exceptions
def get_process_nice(self):
return _psutil_posix.getpriority(self.pid)
@wrap_exceptions
def set_process_nice(self, value):
return _psutil_posix.setpriority(self.pid, value)
@wrap_exceptions
def get_process_status(self):
code = _psutil_osx.get_process_status(self.pid)
# XXX is '?' legit? (we're not supposed to return it anyway)
return PROC_STATUSES.get(code, '?')
@wrap_exceptions
def get_process_threads(self):
"""Return the number of threads belonging to the process."""
rawlist = _psutil_osx.get_process_threads(self.pid)
retlist = []
for thread_id, utime, stime in rawlist:
ntuple = nt_thread(thread_id, utime, stime)
retlist.append(ntuple)
return retlist
nt_mmap_grouped = namedtuple(
'mmap',
'path rss private swapped dirtied ref_count shadow_depth')
nt_mmap_ext = namedtuple(
'mmap',
'addr perms path rss private swapped dirtied ref_count shadow_depth')
@wrap_exceptions
def get_memory_maps(self):
return _psutil_osx.get_process_memory_maps(self.pid)
|