def _get_cputimes_ntuple():
""" Return a (nt, rindex) tuple depending on the CPU times available
on this Linux kernel version which may be:
user, nice, system, idle, iowait, irq, softirq [steal, [guest, [guest_nice]]]
"""
f = open('/proc/stat', 'r')
try:
values = f.readline().split()[1:]
finally:
f.close()
fields = ['user', 'nice', 'system', 'idle', 'iowait', 'irq', 'softirq']
rindex = 8
vlen = len(values)
if vlen >= 8:
# Linux >= 2.6.11
fields.append('steal')
rindex += 1
if vlen >= 9:
# Linux >= 2.6.24
fields.append('guest')
rindex += 1
if vlen >= 10:
# Linux >= 3.2.0
fields.append('guest_nice')
rindex += 1
return (namedtuple('cputimes', ' '.join(fields)), rindex)
def _get_cputimes_ntuple():
""" Return a (nt, rindex) tuple depending on the CPU times available
on this Linux kernel version which may be:
user, nice, system, idle, iowait, irq, softirq [steal, [guest, [guest_nice]]]
"""
f = open('/proc/stat', 'r')
try:
values = f.readline().split()[1:]
finally:
f.close()
fields = ['user', 'nice', 'system', 'idle', 'iowait', 'irq', 'softirq']
rindex = 8
vlen = len(values)
if vlen >= 8:
# Linux >= 2.6.11
fields.append('steal')
rindex += 1
if vlen >= 9:
# Linux >= 2.6.24
fields.append('guest')
rindex += 1
if vlen >= 10:
# Linux >= 3.2.0
fields.append('guest_nice')
rindex += 1
return (namedtuple('cputimes', ' '.join(fields)), rindex)
class pconn(
namedtuple('pconn',
['fd', 'family', 'type', 'laddr', 'raddr', 'status'])):
__slots__ = ()
@property
def local_address(self):
warnings.warn("'local_address' field is deprecated; use 'laddr'"
"instead", category=DeprecationWarning, stacklevel=2)
return self.laddr
@property
def remote_address(self):
warnings.warn("'remote_address' field is deprecated; use 'raddr'"
"instead", category=DeprecationWarning, stacklevel=2)
return self.raddr
f.close()
fields = ['user', 'nice', 'system', 'idle', 'iowait', 'irq', 'softirq']
vlen = len(values)
if vlen >= 8:
# Linux >= 2.6.11
fields.append('steal')
if vlen >= 9:
# Linux >= 2.6.24
fields.append('guest')
if vlen >= 10:
# Linux >= 3.2.0
fields.append('guest_nice')
return fields
scputimes = namedtuple('scputimes', _get_cputimes_fields())
svmem = namedtuple(
'svmem', ['total', 'available', 'percent', 'used', 'free',
'active', 'inactive', 'buffers', 'cached'])
pextmem = namedtuple('pextmem', 'rss vms shared text lib data dirty')
pmmap_grouped = namedtuple(
'pmmap_grouped', ['path', 'rss', 'size', 'pss', 'shared_clean',
'shared_dirty', 'private_clean', 'private_dirty',
'referenced', 'anonymous', 'swap'])
pmmap_ext = namedtuple(
'pmmap_ext', 'addr perms ' + ' '.join(pmmap_grouped._fields))
cext.TCPS_SYN_SENT: _common.CONN_SYN_SENT,
cext.TCPS_SYN_RCVD: _common.CONN_SYN_RECV,
cext.TCPS_FIN_WAIT_1: _common.CONN_FIN_WAIT1,
cext.TCPS_FIN_WAIT_2: _common.CONN_FIN_WAIT2,
cext.TCPS_TIME_WAIT: _common.CONN_TIME_WAIT,
cext.TCPS_CLOSED: _common.CONN_CLOSE,
cext.TCPS_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
cext.TCPS_LAST_ACK: _common.CONN_LAST_ACK,
cext.TCPS_LISTEN: _common.CONN_LISTEN,
cext.TCPS_CLOSING: _common.CONN_CLOSING,
cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
cext.TCPS_IDLE: CONN_IDLE, # sunos specific
cext.TCPS_BOUND: CONN_BOUND, # sunos specific
}
scputimes = namedtuple('scputimes', ['user', 'system', 'idle', 'iowait'])
svmem = namedtuple('svmem', ['total', 'available', 'percent', 'used', 'free'])
pextmem = namedtuple('pextmem', ['rss', 'vms'])
pmmap_grouped = namedtuple('pmmap_grouped', ['path', 'rss', 'anon', 'locked'])
pmmap_ext = namedtuple(
'pmmap_ext', 'addr perms ' + ' '.join(pmmap_grouped._fields))
# set later from __init__.py
NoSuchProcess = None
AccessDenied = None
TimeoutExpired = None
# --- functions
disk_io_counters = cext.disk_io_counters
net_io_counters = cext.net_io_counters
class Process(object):
"""Wrapper class around underlying C implementation."""
__slots__ = ["pid", "_name"]
def __init__(self, pid):
self.pid = pid
self._name = None
@wrap_exceptions
def name(self):
# note: max len == 15
return cext.proc_name_and_args(self.pid)[0]
@wrap_exceptions
def exe(self):
# Will be guess later from cmdline but we want to explicitly
# invoke cmdline here in order to get an AccessDenied
# exception if the user has not enough privileges.
self.cmdline()
return ""
@wrap_exceptions
def cmdline(self):
return cext.proc_name_and_args(self.pid)[1].split(' ')
@wrap_exceptions
def create_time(self):
return cext.proc_basic_info(self.pid)[3]
@wrap_exceptions
def num_threads(self):
return cext.proc_basic_info(self.pid)[5]
@wrap_exceptions
def nice_get(self):
# For some reason getpriority(3) return ESRCH (no such process)
# for certain low-pid processes, no matter what (even as root).
# The process actually exists though, as it has a name,
# creation time, etc.
# The best thing we can do here appears to be raising AD.
# Note: tested on Solaris 11; on Open Solaris 5 everything is
# fine.
try:
return _psutil_posix.getpriority(self.pid)
except EnvironmentError:
err = sys.exc_info()[1]
if err.errno in (errno.ENOENT, errno.ESRCH):
if pid_exists(self.pid):
raise AccessDenied(self.pid, self._name)
raise
@wrap_exceptions
def nice_set(self, value):
if self.pid in (2, 3):
# Special case PIDs: internally setpriority(3) return ESRCH
# (no such process), no matter what.
# The process actually exists though, as it has a name,
# creation time, etc.
raise AccessDenied(self.pid, self._name)
return _psutil_posix.setpriority(self.pid, value)
@wrap_exceptions
def ppid(self):
return cext.proc_basic_info(self.pid)[0]
@wrap_exceptions
def uids(self):
real, effective, saved, _, _, _ = cext.proc_cred(self.pid)
return _common.puids(real, effective, saved)
@wrap_exceptions
def gids(self):
_, _, _, real, effective, saved = cext.proc_cred(self.pid)
return _common.puids(real, effective, saved)
@wrap_exceptions
def cpu_times(self):
user, system = cext.proc_cpu_times(self.pid)
return _common.pcputimes(user, system)
@wrap_exceptions
def terminal(self):
hit_enoent = False
tty = wrap_exceptions(cext.proc_basic_info(self.pid)[0])
if tty != cext.PRNODEV:
for x in (0, 1, 2, 255):
try:
return os.readlink('/proc/%d/path/%d' % (self.pid, x))
except OSError:
err = sys.exc_info()[1]
if err.errno == errno.ENOENT:
hit_enoent = True
continue
raise
if hit_enoent:
# raise NSP if the process disappeared on us
os.stat('/proc/%s' % self.pid)
@wrap_exceptions
def cwd(self):
# /proc/PID/path/cwd may not be resolved by readlink() even if
# it exists (ls shows it). If that's the case and the process
# is still alive return None (we can return None also on BSD).
# Reference: http://goo.gl/55XgO
try:
return os.readlink("/proc/%s/path/cwd" % self.pid)
except OSError:
err = sys.exc_info()[1]
if err.errno == errno.ENOENT:
os.stat("/proc/%s" % self.pid)
return None
raise
@wrap_exceptions
def memory_info(self):
ret = cext.proc_basic_info(self.pid)
rss, vms = ret[1] * 1024, ret[2] * 1024
return _common.pmem(rss, vms)
# it seems Solaris uses rss and vms only
memory_info_ex = memory_info
@wrap_exceptions
def status(self):
code = cext.proc_basic_info(self.pid)[6]
# XXX is '?' legit? (we're not supposed to return it anyway)
return PROC_STATUSES.get(code, '?')
@wrap_exceptions
def threads(self):
ret = []
tids = os.listdir('/proc/%d/lwp' % self.pid)
hit_enoent = False
for tid in tids:
tid = int(tid)
try:
utime, stime = cext.query_process_thread(self.pid, tid)
except EnvironmentError:
# ENOENT == thread gone in meantime
err = sys.exc_info()[1]
if err.errno == errno.ENOENT:
hit_enoent = True
continue
raise
else:
nt = _common.pthread(tid, utime, stime)
ret.append(nt)
if hit_enoent:
# raise NSP if the process disappeared on us
os.stat('/proc/%s' % self.pid)
return ret
@wrap_exceptions
def open_files(self):
retlist = []
hit_enoent = False
pathdir = '/proc/%d/path' % self.pid
for fd in os.listdir('/proc/%d/fd' % self.pid):
path = os.path.join(pathdir, fd)
if os.path.islink(path):
try:
file = os.readlink(path)
except OSError:
# ENOENT == file which is gone in the meantime
err = sys.exc_info()[1]
if err.errno == errno.ENOENT:
hit_enoent = True
continue
raise
else:
if isfile_strict(file):
retlist.append(_common.popenfile(file, int(fd)))
if hit_enoent:
# raise NSP if the process disappeared on us
os.stat('/proc/%s' % self.pid)
return retlist
def _get_unix_sockets(self, pid):
"""Get UNIX sockets used by process by parsing 'pfiles' output."""
# TODO: rewrite this in C (...but the damn netstat source code
# does not include this part! Argh!!)
cmd = "pfiles %s" % pid
p = subprocess.Popen(cmd,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
if PY3:
stdout, stderr = [
x.decode(sys.stdout.encoding) for x in (stdout, stderr)
]
if p.returncode != 0:
if 'permission denied' in stderr.lower():
raise AccessDenied(self.pid, self._name)
if 'no such process' in stderr.lower():
raise NoSuchProcess(self.pid, self._name)
raise RuntimeError("%r command error\n%s" % (cmd, stderr))
lines = stdout.split('\n')[2:]
for i, line in enumerate(lines):
line = line.lstrip()
if line.startswith('sockname: AF_UNIX'):
path = line.split(' ', 2)[2]
type = lines[i - 2].strip()
if type == 'SOCK_STREAM':
type = socket.SOCK_STREAM
elif type == 'SOCK_DGRAM':
type = socket.SOCK_DGRAM
else:
type = -1
yield (-1, socket.AF_UNIX, type, path, "", _common.CONN_NONE)
@wrap_exceptions
def connections(self, kind='inet'):
ret = net_connections(kind, _pid=self.pid)
# The underlying C implementation retrieves all OS connections
# and filters them by PID. At this point we can't tell whether
# an empty list means there were no connections for process or
# process is no longer active so we force NSP in case the PID
# is no longer there.
if not ret:
os.stat('/proc/%s' % self.pid) # will raise NSP if process is gone
# UNIX sockets
if kind in ('all', 'unix'):
ret.extend([
_common.pconn(*conn)
for conn in self._get_unix_sockets(self.pid)
])
return ret
nt_mmap_grouped = namedtuple('mmap', 'path rss anon locked')
nt_mmap_ext = namedtuple('mmap', 'addr perms path rss anon locked')
@wrap_exceptions
def memory_maps(self):
def toaddr(start, end):
return '%s-%s' % (hex(start)[2:].strip('L'),
hex(end)[2:].strip('L'))
retlist = []
rawlist = cext.proc_memory_maps(self.pid)
hit_enoent = False
for item in rawlist:
addr, addrsize, perm, name, rss, anon, locked = item
addr = toaddr(addr, addrsize)
if not name.startswith('['):
try:
name = os.readlink('/proc/%s/path/%s' % (self.pid, name))
except OSError:
err = sys.exc_info()[1]
if err.errno == errno.ENOENT:
# sometimes the link may not be resolved by
# readlink() even if it exists (ls shows it).
# If that's the case we just return the
# unresolved link path.
# This seems an incosistency with /proc similar
# to: http://goo.gl/55XgO
name = '/proc/%s/path/%s' % (self.pid, name)
hit_enoent = True
else:
raise
retlist.append((addr, perm, name, rss, anon, locked))
if hit_enoent:
# raise NSP if the process disappeared on us
os.stat('/proc/%s' % self.pid)
return retlist
@wrap_exceptions
def num_fds(self):
return len(os.listdir("/proc/%s/fd" % self.pid))
@wrap_exceptions
def num_ctx_switches(self):
return _common.pctxsw(*cext.proc_num_ctx_switches(self.pid))
@wrap_exceptions
def wait(self, timeout=None):
try:
return _psposix.wait_pid(self.pid, timeout)
except _psposix.TimeoutExpired:
# support for private module import
if TimeoutExpired is None:
raise
raise TimeoutExpired(timeout, self.pid, self._name)
cext.TCPS_SYN_SENT: _common.CONN_SYN_SENT,
cext.TCPS_SYN_RCVD: _common.CONN_SYN_RECV,
cext.TCPS_FIN_WAIT_1: _common.CONN_FIN_WAIT1,
cext.TCPS_FIN_WAIT_2: _common.CONN_FIN_WAIT2,
cext.TCPS_TIME_WAIT: _common.CONN_TIME_WAIT,
cext.TCPS_CLOSED: _common.CONN_CLOSE,
cext.TCPS_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
cext.TCPS_LAST_ACK: _common.CONN_LAST_ACK,
cext.TCPS_LISTEN: _common.CONN_LISTEN,
cext.TCPS_CLOSING: _common.CONN_CLOSING,
cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
cext.TCPS_IDLE: CONN_IDLE, # sunos specific
cext.TCPS_BOUND: CONN_BOUND, # sunos specific
}
scputimes = namedtuple('scputimes', ['user', 'system', 'idle', 'iowait'])
svmem = namedtuple('svmem', ['total', 'available', 'percent', 'used', 'free'])
pextmem = namedtuple('pextmem', ['rss', 'vms'])
pmmap_grouped = namedtuple('pmmap_grouped', ['path', 'rss', 'anon', 'locked'])
pmmap_ext = namedtuple('pmmap_ext',
'addr perms ' + ' '.join(pmmap_grouped._fields))
# set later from __init__.py
NoSuchProcess = None
AccessDenied = None
TimeoutExpired = None
# --- functions
disk_io_counters = cext.disk_io_counters
net_io_counters = cext.net_io_counters
f.close()
fields = ['user', 'nice', 'system', 'idle', 'iowait', 'irq', 'softirq']
vlen = len(values)
if vlen >= 8:
# Linux >= 2.6.11
fields.append('steal')
if vlen >= 9:
# Linux >= 2.6.24
fields.append('guest')
if vlen >= 10:
# Linux >= 3.2.0
fields.append('guest_nice')
return fields
scputimes = namedtuple('scputimes', _get_cputimes_fields())
svmem = namedtuple('svmem', [
'total', 'available', 'percent', 'used', 'free', 'active', 'inactive',
'buffers', 'cached'
])
pextmem = namedtuple('pextmem', 'rss vms shared text lib data dirty')
pmmap_grouped = namedtuple('pmmap_grouped', [
'path', 'rss', 'size', 'pss', 'shared_clean', 'shared_dirty',
'private_clean', 'private_dirty', 'referenced', 'anonymous', 'swap'
])
pmmap_ext = namedtuple('pmmap_ext',
'addr perms ' + ' '.join(pmmap_grouped._fields))
cext.TCPS_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
cext.TCPS_LAST_ACK: _common.CONN_LAST_ACK,
cext.TCPS_LISTEN: _common.CONN_LISTEN,
cext.TCPS_CLOSING: _common.CONN_CLOSING,
cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
}
PROC_STATUSES = {
cext.SIDL: _common.STATUS_IDLE,
cext.SRUN: _common.STATUS_RUNNING,
cext.SSLEEP: _common.STATUS_SLEEPING,
cext.SSTOP: _common.STATUS_STOPPED,
cext.SZOMB: _common.STATUS_ZOMBIE,
}
scputimes = namedtuple('scputimes', ['user', 'nice', 'system', 'idle'])
svmem = namedtuple('svmem', [
'total', 'available', 'percent', 'used', 'free', 'active', 'inactive',
'wired'
])
pextmem = namedtuple('pextmem', ['rss', 'vms', 'pfaults', 'pageins'])
pmmap_grouped = namedtuple(
'pmmap_grouped', 'path rss private swapped dirtied ref_count shadow_depth')
pmmap_ext = namedtuple('pmmap_ext',
'addr perms ' + ' '.join(pmmap_grouped._fields))
# set later from __init__.py
cext.MIB_TCP_STATE_ESTAB: _common.CONN_ESTABLISHED,
cext.MIB_TCP_STATE_SYN_SENT: _common.CONN_SYN_SENT,
cext.MIB_TCP_STATE_SYN_RCVD: _common.CONN_SYN_RECV,
cext.MIB_TCP_STATE_FIN_WAIT1: _common.CONN_FIN_WAIT1,
cext.MIB_TCP_STATE_FIN_WAIT2: _common.CONN_FIN_WAIT2,
cext.MIB_TCP_STATE_TIME_WAIT: _common.CONN_TIME_WAIT,
cext.MIB_TCP_STATE_CLOSED: _common.CONN_CLOSE,
cext.MIB_TCP_STATE_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
cext.MIB_TCP_STATE_LAST_ACK: _common.CONN_LAST_ACK,
cext.MIB_TCP_STATE_LISTEN: _common.CONN_LISTEN,
cext.MIB_TCP_STATE_CLOSING: _common.CONN_CLOSING,
cext.MIB_TCP_STATE_DELETE_TCB: CONN_DELETE_TCB,
cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
}
scputimes = namedtuple('scputimes', ['user', 'system', 'idle'])
svmem = namedtuple('svmem', ['total', 'available', 'percent', 'used', 'free'])
pextmem = namedtuple('pextmem', [
'num_page_faults', 'peak_wset', 'wset', 'peak_paged_pool', 'paged_pool',
'peak_nonpaged_pool', 'nonpaged_pool', 'pagefile', 'peak_pagefile',
'private'
])
pmmap_grouped = namedtuple('pmmap_grouped', ['path', 'rss'])
pmmap_ext = namedtuple('pmmap_ext',
'addr perms ' + ' '.join(pmmap_grouped._fields))
# set later from __init__.py
NoSuchProcess = None
AccessDenied = None
TimeoutExpired = None
# ioprio_* constants http://linux.die.net/man/2/ioprio_get
IOPRIO_CLASS_NONE = 0
IOPRIO_CLASS_RT = 1
IOPRIO_CLASS_BE = 2
IOPRIO_CLASS_IDLE = 3
# --- system memory functions
nt_virtmem_info = namedtuple(
'vmem',
' '.join([
# all platforms
'total',
'available',
'percent',
'used',
'free',
# linux specific
'active',
'inactive',
'buffers',
'cached'
]))
def virtual_memory():
total, free, buffers, shared, _, _ = _psutil_linux.get_sysinfo()
cached = active = inactive = None
f = open('/proc/meminfo', 'r')
try:
for line in f:
cext.TCPS_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
cext.TCPS_LAST_ACK: _common.CONN_LAST_ACK,
cext.TCPS_LISTEN: _common.CONN_LISTEN,
cext.TCPS_CLOSING: _common.CONN_CLOSING,
cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
}
PROC_STATUSES = {
cext.SIDL: _common.STATUS_IDLE,
cext.SRUN: _common.STATUS_RUNNING,
cext.SSLEEP: _common.STATUS_SLEEPING,
cext.SSTOP: _common.STATUS_STOPPED,
cext.SZOMB: _common.STATUS_ZOMBIE,
}
scputimes = namedtuple('scputimes', ['user', 'nice', 'system', 'idle'])
svmem = namedtuple(
'svmem', ['total', 'available', 'percent', 'used', 'free',
'active', 'inactive', 'wired'])
pextmem = namedtuple('pextmem', ['rss', 'vms', 'pfaults', 'pageins'])
pmmap_grouped = namedtuple(
'pmmap_grouped',
'path rss private swapped dirtied ref_count shadow_depth')
pmmap_ext = namedtuple(
'pmmap_ext', 'addr perms ' + ' '.join(pmmap_grouped._fields))
# set later from __init__.py
class Process(object):
"""Wrapper class around underlying C implementation."""
__slots__ = ["pid", "_name"]
def __init__(self, pid):
self.pid = pid
self._name = None
@wrap_exceptions
def name(self):
return cext.proc_name(self.pid)
@wrap_exceptions
def exe(self):
return cext.proc_exe(self.pid)
@wrap_exceptions
def cmdline(self):
return cext.proc_cmdline(self.pid)
@wrap_exceptions
def terminal(self):
tty_nr = cext.proc_tty_nr(self.pid)
tmap = _psposix._get_terminal_map()
try:
return tmap[tty_nr]
except KeyError:
return None
@wrap_exceptions
def ppid(self):
return cext.proc_ppid(self.pid)
@wrap_exceptions
def uids(self):
real, effective, saved = cext.proc_uids(self.pid)
return _common.puids(real, effective, saved)
@wrap_exceptions
def gids(self):
real, effective, saved = cext.proc_gids(self.pid)
return _common.pgids(real, effective, saved)
@wrap_exceptions
def cpu_times(self):
user, system = cext.proc_cpu_times(self.pid)
return _common.pcputimes(user, system)
@wrap_exceptions
def memory_info(self):
rss, vms = cext.proc_memory_info(self.pid)[:2]
return _common.pmem(rss, vms)
@wrap_exceptions
def memory_info_ex(self):
return pextmem(*cext.proc_memory_info(self.pid))
@wrap_exceptions
def create_time(self):
return cext.proc_create_time(self.pid)
@wrap_exceptions
def num_threads(self):
return cext.proc_num_threads(self.pid)
@wrap_exceptions
def num_ctx_switches(self):
return _common.pctxsw(*cext.proc_num_ctx_switches(self.pid))
@wrap_exceptions
def threads(self):
rawlist = cext.proc_threads(self.pid)
retlist = []
for thread_id, utime, stime in rawlist:
ntuple = _common.pthread(thread_id, utime, stime)
retlist.append(ntuple)
return retlist
@wrap_exceptions
def connections(self, kind='inet'):
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 = cext.proc_connections(self.pid, families, types)
ret = []
for item in rawlist:
fd, fam, type, laddr, raddr, status = item
status = TCP_STATUSES[status]
nt = _common.pconn(fd, fam, type, laddr, raddr, status)
ret.append(nt)
return ret
@wrap_exceptions
def wait(self, timeout=None):
try:
return _psposix.wait_pid(self.pid, timeout)
except _psposix.TimeoutExpired:
# support for private module import
if TimeoutExpired is None:
raise
raise TimeoutExpired(timeout, self.pid, self._name)
@wrap_exceptions
def nice_get(self):
return _psutil_posix.getpriority(self.pid)
@wrap_exceptions
def nice_set(self, value):
return _psutil_posix.setpriority(self.pid, value)
@wrap_exceptions
def status(self):
code = cext.proc_status(self.pid)
if code in PROC_STATUSES:
return PROC_STATUSES[code]
# XXX is this legit? will we even ever get here?
return "?"
@wrap_exceptions
def io_counters(self):
rc, wc, rb, wb = cext.proc_io_counters(self.pid)
return _common.pio(rc, wc, rb, wb)
nt_mmap_grouped = namedtuple(
'mmap', 'path rss, private, ref_count, shadow_count')
nt_mmap_ext = namedtuple(
'mmap', 'addr, perms path rss, private, ref_count, shadow_count')
# FreeBSD < 8 does not support functions based on kinfo_getfile()
# and kinfo_getvmmap()
if hasattr(cext, 'proc_open_files'):
@wrap_exceptions
def open_files(self):
"""Return files opened by process as a list of namedtuples."""
rawlist = cext.proc_open_files(self.pid)
return [_common.popenfile(path, fd) for path, fd in rawlist]
@wrap_exceptions
def cwd(self):
"""Return process current working directory."""
# sometimes we get an empty string, in which case we turn
# it into None
return cext.proc_cwd(self.pid) or None
@wrap_exceptions
def memory_maps(self):
return cext.proc_memory_maps(self.pid)
@wrap_exceptions
def num_fds(self):
"""Return the number of file descriptors opened by this process."""
return cext.proc_num_fds(self.pid)
else:
def _not_implemented(self):
raise NotImplementedError("supported only starting from FreeBSD 8")
open_files = _not_implemented
proc_cwd = _not_implemented
memory_maps = _not_implemented
num_fds = _not_implemented
cext.TCPS_FIN_WAIT_1: _common.CONN_FIN_WAIT1,
cext.TCPS_FIN_WAIT_2: _common.CONN_FIN_WAIT2,
cext.TCPS_TIME_WAIT: _common.CONN_TIME_WAIT,
cext.TCPS_CLOSED: _common.CONN_CLOSE,
cext.TCPS_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
cext.TCPS_LAST_ACK: _common.CONN_LAST_ACK,
cext.TCPS_LISTEN: _common.CONN_LISTEN,
cext.TCPS_CLOSING: _common.CONN_CLOSING,
cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
}
PAGESIZE = os.sysconf("SC_PAGE_SIZE")
# extend base mem ntuple with BSD-specific memory metrics
svmem = namedtuple(
'svmem', ['total', 'available', 'percent', 'used', 'free',
'active', 'inactive', 'buffers', 'cached', 'shared', 'wired'])
scputimes = namedtuple(
'scputimes', ['user', 'nice', 'system', 'idle', 'irq'])
pextmem = namedtuple('pextmem', ['rss', 'vms', 'text', 'data', 'stack'])
pmmap_grouped = namedtuple(
'pmmap_grouped', 'path rss, private, ref_count, shadow_count')
pmmap_ext = namedtuple(
'pmmap_ext', 'addr, perms path rss, private, ref_count, shadow_count')
# set later from __init__.py
NoSuchProcess = None
AccessDenied = None
TimeoutExpired = None
"tcp6": ([AF_INET6], [SOCK_STREAM]),
"udp6": ([AF_INET6], [SOCK_DGRAM]),
})
if AF_UNIX is not None:
conn_tmap.update({
"unix": ([AF_UNIX], [SOCK_STREAM, SOCK_DGRAM]),
})
del AF_INET, AF_INET6, AF_UNIX, SOCK_STREAM, SOCK_DGRAM, socket
# --- namedtuples for psutil.* system-related functions
# psutil.swap_memory()
sswap = namedtuple('sswap', ['total', 'used', 'free', 'percent', 'sin',
'sout'])
# psutil.disk_usage()
sdiskusage = namedtuple('sdiskusage', ['total', 'used', 'free', 'percent'])
# psutil.disk_io_counters()
sdiskio = namedtuple('sdiskio', ['read_count', 'write_count',
'read_bytes', 'write_bytes',
'read_time', 'write_time'])
# psutil.disk_partitions()
sdiskpart = namedtuple('sdiskpart', ['device', 'mountpoint', 'fstype', 'opts'])
# psutil.net_io_counters()
snetio = namedtuple('snetio', ['bytes_sent', 'bytes_recv',
'packets_sent', 'packets_recv',
'errin', 'errout',
'dropin', 'dropout'])
# psutil.users()
suser = namedtuple('suser', ['name', 'terminal', 'host', 'started'])
except Exception:
NUM_CPUS = None
warnings.warn("couldn't determine platform's NUM_CPUS", RuntimeWarning)
# ioprio_* constants http://linux.die.net/man/2/ioprio_get
IOPRIO_CLASS_NONE = 0
IOPRIO_CLASS_RT = 1
IOPRIO_CLASS_BE = 2
IOPRIO_CLASS_IDLE = 3
# --- system memory functions
nt_virtmem_info = namedtuple('vmem', ' '.join([
# all platforms
'total', 'available', 'percent', 'used', 'free',
# linux specific
'active',
'inactive',
'buffers',
'cached']))
def virtual_memory():
total, free, buffers, shared, _, _ = _psutil_linux.get_sysinfo()
cached = active = inactive = None
f = open('/proc/meminfo', 'r')
try:
for line in f:
if line.startswith('Cached:'):
cached = int(line.split()[1]) * 1024
elif line.startswith('Active:'):
active = int(line.split()[1]) * 1024
elif line.startswith('Inactive:'):
cext.MIB_TCP_STATE_SYN_SENT: _common.CONN_SYN_SENT,
cext.MIB_TCP_STATE_SYN_RCVD: _common.CONN_SYN_RECV,
cext.MIB_TCP_STATE_FIN_WAIT1: _common.CONN_FIN_WAIT1,
cext.MIB_TCP_STATE_FIN_WAIT2: _common.CONN_FIN_WAIT2,
cext.MIB_TCP_STATE_TIME_WAIT: _common.CONN_TIME_WAIT,
cext.MIB_TCP_STATE_CLOSED: _common.CONN_CLOSE,
cext.MIB_TCP_STATE_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
cext.MIB_TCP_STATE_LAST_ACK: _common.CONN_LAST_ACK,
cext.MIB_TCP_STATE_LISTEN: _common.CONN_LISTEN,
cext.MIB_TCP_STATE_CLOSING: _common.CONN_CLOSING,
cext.MIB_TCP_STATE_DELETE_TCB: CONN_DELETE_TCB,
cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
}
scputimes = namedtuple('scputimes', ['user', 'system', 'idle'])
svmem = namedtuple('svmem', ['total', 'available', 'percent', 'used', 'free'])
pextmem = namedtuple(
'pextmem', ['num_page_faults', 'peak_wset', 'wset', 'peak_paged_pool',
'paged_pool', 'peak_nonpaged_pool', 'nonpaged_pool',
'pagefile', 'peak_pagefile', 'private'])
pmmap_grouped = namedtuple('pmmap_grouped', ['path', 'rss'])
pmmap_ext = namedtuple(
'pmmap_ext', 'addr perms ' + ' '.join(pmmap_grouped._fields))
# set later from __init__.py
NoSuchProcess = None
AccessDenied = None
TimeoutExpired = None
