def virtual_memory():
total, free, buffers, shared, _, _ = cext.linux_sysinfo()
cached = active = inactive = None
with open('/proc/meminfo', 'rb') as f:
for line in f:
if line.startswith(b"Cached:"):
cached = int(line.split()[1]) * 1024
elif line.startswith(b"Active:"):
active = int(line.split()[1]) * 1024
elif line.startswith(b"Inactive:"):
inactive = int(line.split()[1]) * 1024
if (cached is not None and active is not None
and inactive is not None):
break
else:
# we might get here when dealing with exotic Linux flavors, see:
# https://github.com/giampaolo/psutil/issues/313
msg = "'cached', 'active' and 'inactive' memory stats couldn't " \
"be determined and were set to 0"
warnings.warn(msg, RuntimeWarning)
cached = active = inactive = 0
avail = free + buffers + cached
used = total - free
percent = usage_percent((total - avail), total, _round=1)
return svmem(total, avail, percent, used, free, active, inactive, buffers,
cached)
def virtual_memory():
total, free, buffers, shared, _, _ = cext.linux_sysinfo()
cached = active = inactive = None
f = open('/proc/meminfo', 'rb')
CACHED, ACTIVE, INACTIVE = b("Cached:"), b("Active:"), b("Inactive:")
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):
inactive = int(line.split()[1]) * 1024
if (cached is not None and active is not None
and inactive is not None):
break
else:
# we might get here when dealing with exotic Linux flavors, see:
# http://code.google.com/p/psutil/issues/detail?id=313
msg = "'cached', 'active' and 'inactive' memory stats couldn't " \
"be determined and were set to 0"
warnings.warn(msg, RuntimeWarning)
cached = active = inactive = 0
finally:
f.close()
avail = free + buffers + cached
used = total - free
percent = usage_percent((total - avail), total, _round=1)
return svmem(total, avail, percent, used, free, active, inactive, buffers,
cached)
def swap_memory():
_, _, _, _, total, free = cext.linux_sysinfo()
used = total - free
percent = usage_percent(used, total, _round=1)
# get pgin/pgouts
f = open("/proc/vmstat", "rb")
SIN, SOUT = b('pswpin'), b('pswpout')
sin = sout = None
try:
for line in f:
# values are expressed in 4 kilo bytes, we want bytes instead
if line.startswith(SIN):
sin = int(line.split(b(' '))[1]) * 4 * 1024
elif line.startswith(SOUT):
sout = int(line.split(b(' '))[1]) * 4 * 1024
if sin is not None and sout is not None:
break
else:
# we might get here when dealing with exotic Linux flavors, see:
# http://code.google.com/p/psutil/issues/detail?id=313
msg = "'sin' and 'sout' swap memory stats couldn't " \
"be determined and were set to 0"
warnings.warn(msg, RuntimeWarning)
sin = sout = 0
finally:
f.close()
return _common.sswap(total, used, free, percent, sin, sout)
def swap_memory():
_, _, _, _, total, free = cext.linux_sysinfo()
used = total - free
percent = usage_percent(used, total, _round=1)
# get pgin/pgouts
f = open("/proc/vmstat", "rb")
SIN, SOUT = b('pswpin'), b('pswpout')
sin = sout = None
try:
for line in f:
# values are expressed in 4 kilo bytes, we want bytes instead
if line.startswith(SIN):
sin = int(line.split(b(' '))[1]) * 4 * 1024
elif line.startswith(SOUT):
sout = int(line.split(b(' '))[1]) * 4 * 1024
if sin is not None and sout is not None:
break
else:
# we might get here when dealing with exotic Linux flavors, see:
# https://github.com/giampaolo/psutil/issues/313
msg = "'sin' and 'sout' swap memory stats couldn't " \
"be determined and were set to 0"
warnings.warn(msg, RuntimeWarning)
sin = sout = 0
finally:
f.close()
return _common.sswap(total, used, free, percent, sin, sout)
def swap_memory():
sin, sout = cext.swap_mem()
# XXX
# we are supposed to get total/free by doing so:
# http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/
# usr/src/cmd/swap/swap.c
# ...nevertheless I can't manage to obtain the same numbers as 'swap'
# cmdline utility, so let's parse its output (sigh!)
p = subprocess.Popen(['swap', '-l', '-k'], stdout=subprocess.PIPE)
stdout, stderr = p.communicate()
if PY3:
stdout = stdout.decode(sys.stdout.encoding)
if p.returncode != 0:
raise RuntimeError("'swap -l -k' failed (retcode=%s)" % p.returncode)
lines = stdout.strip().split('\n')[1:]
if not lines:
raise RuntimeError('no swap device(s) configured')
total = free = 0
for line in lines:
line = line.split()
t, f = line[-2:]
t = t.replace('K', '')
f = f.replace('K', '')
total += int(int(t) * 1024)
free += int(int(f) * 1024)
used = total - free
percent = usage_percent(used, total, _round=1)
return _common.sswap(total, used, free, percent,
sin * PAGE_SIZE, sout * PAGE_SIZE)
def virtual_memory():
total, free, buffers, shared, _, _ = cext.linux_sysinfo()
cached = active = inactive = None
f = open('/proc/meminfo', 'rb')
CACHED, ACTIVE, INACTIVE = b("Cached:"), b("Active:"), b("Inactive:")
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):
inactive = int(line.split()[1]) * 1024
if (cached is not None
and active is not None
and inactive is not None):
break
else:
# we might get here when dealing with exotic Linux flavors, see:
# http://code.google.com/p/psutil/issues/detail?id=313
msg = "'cached', 'active' and 'inactive' memory stats couldn't " \
"be determined and were set to 0"
warnings.warn(msg, RuntimeWarning)
cached = active = inactive = 0
finally:
f.close()
avail = free + buffers + cached
used = total - free
percent = usage_percent((total - avail), total, _round=1)
return svmem(total, avail, percent, used, free,
active, inactive, buffers, cached)
def virtual_memory():
total, free, buffers, shared, _, _ = cext.linux_sysinfo()
cached = active = inactive = None
with open('/proc/meminfo', 'rb') as f:
for line in f:
if line.startswith(b"Cached:"):
cached = int(line.split()[1]) * 1024
elif line.startswith(b"Active:"):
active = int(line.split()[1]) * 1024
elif line.startswith(b"Inactive:"):
inactive = int(line.split()[1]) * 1024
if (cached is not None
and active is not None
and inactive is not None):
break
else:
# we might get here when dealing with exotic Linux flavors, see:
# https://github.com/giampaolo/psutil/issues/313
msg = "'cached', 'active' and 'inactive' memory stats couldn't " \
"be determined and were set to 0"
warnings.warn(msg, RuntimeWarning)
cached = active = inactive = 0
avail = free + buffers + cached
used = total - free
percent = usage_percent((total - avail), total, _round=1)
return svmem(total, avail, percent, used, free,
active, inactive, buffers, cached)
def swap_memory():
sin, sout = cext.swap_mem()
# XXX
# we are supposed to get total/free by doing so:
# http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/
# usr/src/cmd/swap/swap.c
# ...nevertheless I can't manage to obtain the same numbers as 'swap'
# cmdline utility, so let's parse its output (sigh!)
p = subprocess.Popen(['swap', '-l', '-k'], stdout=subprocess.PIPE)
stdout, stderr = p.communicate()
if PY3:
stdout = stdout.decode(sys.stdout.encoding)
if p.returncode != 0:
raise RuntimeError("'swap -l -k' failed (retcode=%s)" % p.returncode)
lines = stdout.strip().split('\n')[1:]
if not lines:
raise RuntimeError('no swap device(s) configured')
total = free = 0
for line in lines:
line = line.split()
t, f = line[-2:]
t = t.replace('K', '')
f = f.replace('K', '')
total += int(int(t) * 1024)
free += int(int(f) * 1024)
used = total - free
percent = usage_percent(used, total, _round=1)
return _common.sswap(total, used, free, percent,
sin * PAGE_SIZE, sout * PAGE_SIZE)
def disk_usage(path):
"""Return disk usage associated with path."""
try:
st = os.statvfs(path)
except UnicodeEncodeError:
if not PY3 and isinstance(path, unicode):
# this is a bug with os.statvfs() and unicode on
# Python 2, see:
# - https://github.com/giampaolo/psutil/issues/416
# - http://bugs.python.org/issue18695
try:
path = path.encode(sys.getfilesystemencoding())
except UnicodeEncodeError:
pass
st = os.statvfs(path)
else:
raise
free = (st.f_bavail * st.f_frsize)
total = (st.f_blocks * st.f_frsize)
used = (st.f_blocks - st.f_bfree) * st.f_frsize
percent = usage_percent(used, total, _round=1)
# NB: the percentage is -5% than what shown by df due to
# reserved blocks that we are currently not considering:
# http://goo.gl/sWGbH
return sdiskusage(total, used, free, percent)
def get_disk_usage(path):
"""Return disk usage associated with path."""
try:
st = os.statvfs(path)
except UnicodeEncodeError:
if not PY3 and isinstance(path, unicode):
# this is a bug with os.statvfs() and unicode on
# Python 2, see:
# - https://code.google.com/p/psutil/issues/detail?id=416
# - http://bugs.python.org/issue18695
try:
path = path.encode(sys.getfilesystemencoding())
except UnicodeEncodeError:
pass
st = os.statvfs(path)
else:
raise
free = (st.f_bavail * st.f_frsize)
total = (st.f_blocks * st.f_frsize)
used = (st.f_blocks - st.f_bfree) * st.f_frsize
percent = usage_percent(used, total, _round=1)
# NB: the percentage is -5% than what shown by df due to
# reserved blocks that we are currently not considering:
# http://goo.gl/sWGbH
return nt_diskinfo(total, used, free, percent)
def virtual_memory():
"""System virtual memory as a namedtuple."""
total, active, inactive, wired, free = cext.virtual_mem()
avail = inactive + free
used = active + inactive + wired
percent = usage_percent((total - avail), total, _round=1)
return svmem(total, avail, percent, used, free, active, inactive, wired)
def virtual_memory():
"""System virtual memory as a namedtuple."""
total, active, inactive, wired, free = cext.virtual_mem()
avail = inactive + free
used = active + inactive + wired
percent = usage_percent((total - avail), total, _round=1)
return svmem(total, avail, percent, used, free,
active, inactive, wired)
def swap_memory():
"""Swap system memory as a (total, used, free, sin, sout) tuple."""
mem = cext.virtual_mem()
total = mem[2]
free = mem[3]
used = total - free
percent = usage_percent(used, total, _round=1)
return _common.sswap(total, used, free, percent, 0, 0)
def virtual_memory():
# we could have done this with kstat, but imho this is good enough
total = os.sysconf('SC_PHYS_PAGES') * PAGE_SIZE
# note: there's no difference on Solaris
free = avail = os.sysconf('SC_AVPHYS_PAGES') * PAGE_SIZE
used = total - free
percent = usage_percent(used, total, _round=1)
return svmem(total, avail, percent, used, free)
def swap_memory():
"""Swap system memory as a (total, used, free, sin, sout) tuple."""
mem = cext.virtual_mem()
total = mem[2]
free = mem[3]
used = total - free
percent = usage_percent(used, total, _round=1)
return _common.sswap(total, used, free, percent, 0, 0)
def virtual_memory():
# we could have done this with kstat, but imho this is good enough
total = os.sysconf('SC_PHYS_PAGES') * PAGE_SIZE
# note: there's no difference on Solaris
free = avail = os.sysconf('SC_AVPHYS_PAGES') * PAGE_SIZE
used = total - free
percent = usage_percent(used, total, _round=1)
return svmem(total, avail, percent, used, free)
def virtual_memory():
"""System virtual memory as a namedtuple."""
mem = cext.virtual_mem()
total, free, active, inactive, wired, cached, buffers, shared = mem
avail = inactive + cached + free
used = active + wired + cached
percent = usage_percent((total - avail), total, _round=1)
return svmem(total, avail, percent, used, free,
active, inactive, buffers, cached, shared, wired)
def virtual_memory():
"""System virtual memory as a namedtuple."""
mem = cext.virtual_mem()
total, free, active, inactive, wired, cached, buffers, shared = mem
avail = inactive + cached + free
used = active + wired + cached
percent = usage_percent((total - avail), total, _round=1)
return svmem(total, avail, percent, used, free, active, inactive, buffers,
cached, shared, wired)
def get_disk_usage(path):
"""Return disk usage associated with path."""
st = os.statvfs(path)
free = (st.f_bavail * st.f_frsize)
total = (st.f_blocks * st.f_frsize)
used = (st.f_blocks - st.f_bfree) * st.f_frsize
percent = usage_percent(used, total, _round=1)
# NB: the percentage is -5% than what shown by df due to
# reserved blocks that we are currently not considering:
# http://goo.gl/sWGbH
return nt_diskinfo(total, used, free, percent)
def virtual_memory():
"""System virtual memory as a namedtuple."""
mem = cext.virtual_mem()
totphys, availphys, totpagef, availpagef, totvirt, freevirt = mem
#
total = totphys
avail = availphys
free = availphys
used = total - avail
percent = usage_percent((total - avail), total, _round=1)
return svmem(total, avail, percent, used, free)
def get_disk_usage(path):
"""Return disk usage associated with path."""
st = os.statvfs(path)
free = (st.f_bavail * st.f_frsize)
total = (st.f_blocks * st.f_frsize)
used = (st.f_blocks - st.f_bfree) * st.f_frsize
percent = usage_percent(used, total, _round=1)
# NB: the percentage is -5% than what shown by df due to
# reserved blocks that we are currently not considering:
# http://goo.gl/sWGbH
return ntuple_diskinfo(total, used, free, percent)
def virtual_memory():
"""System virtual memory as a namedtuple."""
mem = cext.virtual_mem()
totphys, availphys, totpagef, availpagef, totvirt, freevirt = mem
#
total = totphys
avail = availphys
free = availphys
used = total - avail
percent = usage_percent((total - avail), total, _round=1)
return svmem(total, avail, percent, used, free)
def disk_usage(path):
"""Return disk usage associated with path."""
try:
total, free = cext.disk_usage(path)
except WindowsError:
if not os.path.exists(path):
msg = "No such file or directory: '%s'" % path
raise OSError(errno.ENOENT, msg)
raise
used = total - free
percent = usage_percent(used, total, _round=1)
return _common.sdiskusage(total, used, free, percent)
def disk_usage(path):
"""Return disk usage associated with path."""
try:
total, free = cext.disk_usage(path)
except WindowsError:
if not os.path.exists(path):
msg = "No such file or directory: '%s'" % path
raise OSError(errno.ENOENT, msg)
raise
used = total - free
percent = usage_percent(used, total, _round=1)
return _common.sdiskusage(total, used, free, percent)
def swap_memory():
_, _, _, _, total, free = cext.linux_sysinfo()
used = total - free
percent = usage_percent(used, total, _round=1)
# get pgin/pgouts
with open("/proc/vmstat", "rb") as f:
sin = sout = None
for line in f:
# values are expressed in 4 kilo bytes, we want bytes instead
if line.startswith(b'pswpin'):
sin = int(line.split(b' ')[1]) * 4 * 1024
elif line.startswith(b'pswpout'):
sout = int(line.split(b' ')[1]) * 4 * 1024
if sin is not None and sout is not None:
break
else:
# we might get here when dealing with exotic Linux flavors, see:
# https://github.com/giampaolo/psutil/issues/313
msg = "'sin' and 'sout' swap memory stats couldn't " \
"be determined and were set to 0"
warnings.warn(msg, RuntimeWarning)
sin = sout = 0
return _common.sswap(total, used, free, percent, sin, sout)
def swap_memory():
"""System swap memory as (total, used, free, sin, sout) namedtuple."""
total, used, free, sin, sout = [x * PAGESIZE for x in cext.swap_mem()]
percent = usage_percent(used, total, _round=1)
return _common.sswap(total, used, free, percent, sin, sout)
def swap_memory():
"""Swap system memory as a (total, used, free, sin, sout) tuple."""
total, used, free, sin, sout = cext.swap_mem()
percent = usage_percent(used, total, _round=1)
return _common.sswap(total, used, free, percent, sin, sout)
def swap_memory():
"""System swap memory as (total, used, free, sin, sout) namedtuple."""
total, used, free, sin, sout = [x * PAGESIZE for x in cext.swap_mem()]
percent = usage_percent(used, total, _round=1)
return _common.sswap(total, used, free, percent, sin, sout)
def swap_memory():
"""Swap system memory as a (total, used, free, sin, sout) tuple."""
total, used, free, sin, sout = cext.swap_mem()
percent = usage_percent(used, total, _round=1)
return _common.sswap(total, used, free, percent, sin, sout)