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TheMatt2/check_platform.py

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Last active October 31, 2018 02:24
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Check OS/Python and Cpu Info
Raw
check_platform.py
"""Diagnose script for checking OS/hardware/python/pip/mxnet.
The output of this script can be a very good hint to issue/problem.
"""
import platform, subprocess, sys, os
def check_python():
print('----------Python Info----------')
print('Version : ' + platform.python_version())
print('Compiler : ' + platform.python_compiler())
print('Build : ' + ', '.join(platform.python_build()))
print('Arch : ' + ', '.join(platform.architecture()))
def check_pip():
print('------------Pip Info-----------')
try:
import pip
print('Version : ' + pip.__version__)
print('Directory : ' + os.path.dirname(pip.__file__))
except ImportError:
print('No corresponding pip install for current python.')
def check_mxnet():
print('----------MXNet Info-----------')
try:
import mxnet
print('Version : ' + mxnet.__version__)
mx_dir = os.path.dirname(mxnet.__file__)
print('Directory : ' + mx_dir)
commit_hash = os.path.join(mx_dir, 'COMMIT_HASH')
with open(commit_hash, 'r') as f:
ch = f.read().strip()
print('Commit Hash : ' + ch)
except ImportError:
print('No MXNet installed.')
except Exception as e:
import traceback
if not isinstance(e, IOError):
print("An error occured trying to import mxnet.")
print("This is very likely due to missing missing or incompatible library files.")
print(traceback.format_exc())
def check_os():
print('----------System Info----------')
print('Platform : ' + platform.platform())
print('System : ' + platform.system())
print('Node : ' + platform.node())
print('Release : ' + platform.release())
print('Version : ' + platform.version())
def check_hardware():
print('----------Hardware Info----------')
print('Machine : ' + platform.machine())
print('Processor : ' + platform.processor())
if sys.platform.startswith('darwin'):
pipe = subprocess.Popen(('sysctl', '-a'), stdout=subprocess.PIPE)
output = pipe.communicate()[0].decode('ascii')
for line in output.split('\n'):
if 'brand_string' in line or 'features' in line:
print(line.strip())
elif sys.platform.startswith('linux'):
subprocess.call(['lscpu'])
elif sys.platform.startswith('win32'):
subprocess.call(['wmic', 'cpu', 'get', 'name'])
def main():
check_python()
check_pip()
#check_mxnet()
check_os()
check_hardware()
main()
Raw
cpuinfo.py
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
# Copyright (c) 2014-2018, Matthew Brennan Jones <[email protected]>
# Py-cpuinfo gets CPU info with pure Python 2 & 3
# It uses the MIT License
# It is hosted at: https://github.com/workhorsy/py-cpuinfo
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
CPUINFO_VERSION = (4, 0, 0)
import os, sys
import glob
import re
import time
import platform
import multiprocessing
import ctypes
import pickle
import base64
import subprocess
try:
import _winreg as winreg
except ImportError as err:
try:
import winreg
except ImportError as err:
pass
PY2 = sys.version_info[0] == 2
# Load hacks for Windows
if platform.system().lower() == 'windows':
# Monkey patch multiprocessing's Popen to fork properly on Windows Pyinstaller
# https://github.com/pyinstaller/pyinstaller/wiki/Recipe-Multiprocessing
try:
import multiprocessing.popen_spawn_win32 as forking
except ImportError as err:
try:
import multiprocessing.popen_fork as forking
except ImportError as err:
import multiprocessing.forking as forking
class _Popen(forking.Popen):
def __init__(self, *args, **kw):
if hasattr(sys, 'frozen'):
# We have to set original _MEIPASS2 value from sys._MEIPASS
# to get --onefile mode working.
os.putenv('_MEIPASS2', sys._MEIPASS)
try:
super(_Popen, self).__init__(*args, **kw)
finally:
if hasattr(sys, 'frozen'):
# On some platforms (e.g. AIX) 'os.unsetenv()' is not
# available. In those cases we cannot delete the variable
# but only set it to the empty string. The bootloader
# can handle this case.
if hasattr(os, 'unsetenv'):
os.unsetenv('_MEIPASS2')
else:
os.putenv('_MEIPASS2', '')
forking.Popen = _Popen
class DataSource(object):
bits = platform.architecture()[0]
cpu_count = multiprocessing.cpu_count()
is_windows = platform.system().lower() == 'windows'
raw_arch_string = platform.machine()
can_cpuid = True
@staticmethod
def has_proc_cpuinfo():
return os.path.exists('/proc/cpuinfo')
@staticmethod
def has_dmesg():
return len(program_paths('dmesg')) > 0
@staticmethod
def has_var_run_dmesg_boot():
uname = platform.system().strip().strip('"').strip("'").strip().lower()
return 'linux' in uname and os.path.exists('/var/run/dmesg.boot')
@staticmethod
def has_cpufreq_info():
return len(program_paths('cpufreq-info')) > 0
@staticmethod
def has_sestatus():
return len(program_paths('sestatus')) > 0
@staticmethod
def has_sysctl():
return len(program_paths('sysctl')) > 0
@staticmethod
def has_isainfo():
return len(program_paths('isainfo')) > 0
@staticmethod
def has_kstat():
return len(program_paths('kstat')) > 0
@staticmethod
def has_sysinfo():
return len(program_paths('sysinfo')) > 0
@staticmethod
def has_lscpu():
return len(program_paths('lscpu')) > 0
@staticmethod
def has_ibm_pa_features():
return len(program_paths('lsprop')) > 0
@staticmethod
def has_wmic():
returncode, output = run_and_get_stdout(['wmic', 'os', 'get', 'Version'])
return returncode == 0 and len(output) > 0
@staticmethod
def cat_proc_cpuinfo():
return run_and_get_stdout(['cat', '/proc/cpuinfo'])
@staticmethod
def cpufreq_info():
return run_and_get_stdout(['cpufreq-info'])
@staticmethod
def sestatus_allow_execheap():
return run_and_get_stdout(['sestatus', '-b'], ['grep', '-i', '"allow_execheap"'])[1].strip().lower().endswith('on')
@staticmethod
def sestatus_allow_execmem():
return run_and_get_stdout(['sestatus', '-b'], ['grep', '-i', '"allow_execmem"'])[1].strip().lower().endswith('on')
@staticmethod
def dmesg_a():
return run_and_get_stdout(['dmesg', '-a'])
@staticmethod
def cat_var_run_dmesg_boot():
return run_and_get_stdout(['cat', '/var/run/dmesg.boot'])
@staticmethod
def sysctl_machdep_cpu_hw_cpufrequency():
return run_and_get_stdout(['sysctl', 'machdep.cpu', 'hw.cpufrequency'])
@staticmethod
def isainfo_vb():
return run_and_get_stdout(['isainfo', '-vb'])
@staticmethod
def kstat_m_cpu_info():
return run_and_get_stdout(['kstat', '-m', 'cpu_info'])
@staticmethod
def sysinfo_cpu():
return run_and_get_stdout(['sysinfo', '-cpu'])
@staticmethod
def lscpu():
return run_and_get_stdout(['lscpu'])
@staticmethod
def ibm_pa_features():
ibm_features = glob.glob('/proc/device-tree/cpus/*/ibm,pa-features')
if ibm_features:
return run_and_get_stdout(['lsprop', ibm_features[0]])
@staticmethod
def wmic_cpu():
return run_and_get_stdout(['wmic', 'cpu', 'get', 'Name,CurrentClockSpeed,L2CacheSize,L3CacheSize,Description,Caption,Manufacturer', '/format:list'])
@staticmethod
def winreg_processor_brand():
key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, r"Hardware\Description\System\CentralProcessor\0")
processor_brand = winreg.QueryValueEx(key, "ProcessorNameString")[0]
winreg.CloseKey(key)
return processor_brand
@staticmethod
def winreg_vendor_id():
key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, r"Hardware\Description\System\CentralProcessor\0")
vendor_id = winreg.QueryValueEx(key, "VendorIdentifier")[0]
winreg.CloseKey(key)
return vendor_id
@staticmethod
def winreg_raw_arch_string():
key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, r"SYSTEM\CurrentControlSet\Control\Session Manager\Environment")
raw_arch_string = winreg.QueryValueEx(key, "PROCESSOR_ARCHITECTURE")[0]
winreg.CloseKey(key)
return raw_arch_string
@staticmethod
def winreg_hz_actual():
key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, r"Hardware\Description\System\CentralProcessor\0")
hz_actual = winreg.QueryValueEx(key, "~Mhz")[0]
winreg.CloseKey(key)
hz_actual = to_hz_string(hz_actual)
return hz_actual
@staticmethod
def winreg_feature_bits():
key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, r"Hardware\Description\System\CentralProcessor\0")
feature_bits = winreg.QueryValueEx(key, "FeatureSet")[0]
winreg.CloseKey(key)
return feature_bits
def obj_to_b64(thing):
a = thing
b = pickle.dumps(a)
c = base64.b64encode(b)
d = c.decode('utf8')
return d
def b64_to_obj(thing):
try:
a = base64.b64decode(thing)
b = pickle.loads(a)
return b
except:
return {}
def run_and_get_stdout(command, pipe_command=None):
if not pipe_command:
p1 = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
output = p1.communicate()[0]
if not PY2:
output = output.decode(encoding='UTF-8')
return p1.returncode, output
else:
p1 = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
p2 = subprocess.Popen(pipe_command, stdin=p1.stdout, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
p1.stdout.close()
output = p2.communicate()[0]
if not PY2:
output = output.decode(encoding='UTF-8')
return p2.returncode, output
def program_paths(program_name):
paths = []
exts = filter(None, os.environ.get('PATHEXT', '').split(os.pathsep))
path = os.environ['PATH']
for p in os.environ['PATH'].split(os.pathsep):
p = os.path.join(p, program_name)
if os.access(p, os.X_OK):
paths.append(p)
for e in exts:
pext = p + e
if os.access(pext, os.X_OK):
paths.append(pext)
return paths
def _get_field_actual(cant_be_number, raw_string, field_names):
for line in raw_string.splitlines():
for field_name in field_names:
field_name = field_name.lower()
if ':' in line:
left, right = line.split(':', 1)
left = left.strip().lower()
right = right.strip()
if left == field_name and len(right) > 0:
if cant_be_number:
if not right.isdigit():
return right
else:
return right
return None
def _get_field(cant_be_number, raw_string, convert_to, default_value, *field_names):
retval = _get_field_actual(cant_be_number, raw_string, field_names)
# Convert the return value
if retval and convert_to:
try:
retval = convert_to(retval)
except:
retval = default_value
# Return the default if there is no return value
if retval is None:
retval = default_value
return retval
def _get_hz_string_from_brand(processor_brand):
# Just return 0 if the processor brand does not have the Hz
if not 'hz' in processor_brand.lower():
return (1, '0.0')
hz_brand = processor_brand.lower()
scale = 1
if hz_brand.endswith('mhz'):
scale = 6
elif hz_brand.endswith('ghz'):
scale = 9
if '@' in hz_brand:
hz_brand = hz_brand.split('@')[1]
else:
hz_brand = hz_brand.rsplit(None, 1)[1]
hz_brand = hz_brand.rstrip('mhz').rstrip('ghz').strip()
hz_brand = to_hz_string(hz_brand)
return (scale, hz_brand)
def to_friendly_hz(ticks, scale):
# Get the raw Hz as a string
left, right = to_raw_hz(ticks, scale)
ticks = '{0}.{1}'.format(left, right)
# Get the location of the dot, and remove said dot
dot_index = ticks.index('.')
ticks = ticks.replace('.', '')
# Get the Hz symbol and scale
symbol = "Hz"
scale = 0
if dot_index > 9:
symbol = "GHz"
scale = 9
elif dot_index > 6:
symbol = "MHz"
scale = 6
elif dot_index > 3:
symbol = "KHz"
scale = 3
# Get the Hz with the dot at the new scaled point
ticks = '{0}.{1}'.format(ticks[:-scale-1], ticks[-scale-1:])
# Format the ticks to have 4 numbers after the decimal
# and remove any superfluous zeroes.
ticks = '{0:.4f} {1}'.format(float(ticks), symbol)
ticks = ticks.rstrip('0')
return ticks
def to_raw_hz(ticks, scale):
# Scale the numbers
ticks = ticks.lstrip('0')
old_index = ticks.index('.')
ticks = ticks.replace('.', '')
ticks = ticks.ljust(scale + old_index+1, '0')
new_index = old_index + scale
ticks = '{0}.{1}'.format(ticks[:new_index], ticks[new_index:])
left, right = ticks.split('.')
left, right = int(left), int(right)
return (left, right)
def to_hz_string(ticks):
# Convert to string
ticks = '{0}'.format(ticks)
# Add decimal if missing
if '.' not in ticks:
ticks = '{0}.0'.format(ticks)
# Remove trailing zeros
ticks = ticks.rstrip('0')
# Add one trailing zero for empty right side
if ticks.endswith('.'):
ticks = '{0}0'.format(ticks)
return ticks
def to_friendly_bytes(input):
if not input:
return input
input = "{0}".format(input)
formats = {
r"^[0-9]+B$" : 'B',
r"^[0-9]+K$" : 'KB',
r"^[0-9]+M$" : 'MB',
r"^[0-9]+G$" : 'GB'
}
for pattern, friendly_size in formats.items():
if re.match(pattern, input):
return "{0} {1}".format(input[ : -1].strip(), friendly_size)
return input
def _parse_cpu_string(cpu_string):
# Get location of fields at end of string
fields_index = cpu_string.find('(', cpu_string.find('@'))
#print(fields_index)
# Processor Brand
processor_brand = cpu_string
if fields_index != -1:
processor_brand = cpu_string[0 : fields_index].strip()
#print('processor_brand: ', processor_brand)
fields = None
if fields_index != -1:
fields = cpu_string[fields_index : ]
#print('fields: ', fields)
# Hz
scale, hz_brand = _get_hz_string_from_brand(processor_brand)
# Various fields
vendor_id, stepping, model, family = (None, None, None, None)
if fields:
try:
fields = fields.rsplit('(', 1)[1].split(')')[0].split(',')
fields = [f.strip().lower() for f in fields]
fields = [f.split(':') for f in fields]
fields = [{f[0].strip() : f[1].strip()} for f in fields]
#print('fields: ', fields)
for field in fields:
name = list(field.keys())[0]
value = list(field.values())[0]
#print('name:{0}, value:{1}'.format(name, value))
if name == 'origin':
vendor_id = value.strip('"')
elif name == 'stepping':
stepping = int(value.lstrip('0x'), 16)
elif name == 'model':
model = int(value.lstrip('0x'), 16)
elif name in ['fam', 'family']:
family = int(value.lstrip('0x'), 16)
except:
#raise
pass
return (processor_brand, hz_brand, scale, vendor_id, stepping, model, family)
def _parse_dmesg_output(output):
try:
# Get all the dmesg lines that might contain a CPU string
lines = output.split(' CPU0:')[1:] + \
output.split(' CPU1:')[1:] + \
output.split(' CPU:')[1:] + \
output.split('\nCPU0:')[1:] + \
output.split('\nCPU1:')[1:] + \
output.split('\nCPU:')[1:]
lines = [l.split('\n')[0].strip() for l in lines]
# Convert the lines to CPU strings
cpu_strings = [_parse_cpu_string(l) for l in lines]
# Find the CPU string that has the most fields
best_string = None
highest_count = 0
for cpu_string in cpu_strings:
count = sum([n is not None for n in cpu_string])
if count > highest_count:
highest_count = count
best_string = cpu_string
# If no CPU string was found, return {}
if not best_string:
return {}
processor_brand, hz_actual, scale, vendor_id, stepping, model, family = best_string
# Origin
if ' Origin=' in output:
fields = output[output.find(' Origin=') : ].split('\n')[0]
fields = fields.strip().split()
fields = [n.strip().split('=') for n in fields]
fields = [{n[0].strip().lower() : n[1].strip()} for n in fields]
#print('fields: ', fields)
for field in fields:
name = list(field.keys())[0]
value = list(field.values())[0]
#print('name:{0}, value:{1}'.format(name, value))
if name == 'origin':
vendor_id = value.strip('"')
elif name == 'stepping':
stepping = int(value.lstrip('0x'), 16)
elif name == 'model':
model = int(value.lstrip('0x'), 16)
elif name in ['fam', 'family']:
family = int(value.lstrip('0x'), 16)
#print('FIELDS: ', (vendor_id, stepping, model, family))
# Features
flag_lines = []
for category in [' Features=', ' Features2=', ' AMD Features=', ' AMD Features2=']:
if category in output:
flag_lines.append(output.split(category)[1].split('\n')[0])
flags = []
for line in flag_lines:
line = line.split('<')[1].split('>')[0].lower()
for flag in line.split(','):
flags.append(flag)
flags.sort()
# Convert from GHz/MHz string to Hz
scale, hz_advertised = _get_hz_string_from_brand(processor_brand)
info = {
'vendor_id' : vendor_id,
'brand' : processor_brand,
'stepping' : stepping,
'model' : model,
'family' : family,
'flags' : flags
}
if hz_advertised and hz_advertised != '0.0':
info['hz_advertised'] = to_friendly_hz(hz_advertised, scale)
info['hz_actual'] = to_friendly_hz(hz_actual, scale)
if hz_advertised and hz_advertised != '0.0':
info['hz_advertised_raw'] = to_raw_hz(hz_advertised, scale)
info['hz_actual_raw'] = to_raw_hz(hz_actual, scale)
return {k: v for k, v in info.items() if v}
except:
#raise
pass
return {}
def parse_arch(raw_arch_string):
arch, bits = None, None
raw_arch_string = raw_arch_string.lower()
# X86
if re.match('^i\d86$|^x86$|^x86_32$|^i86pc$|^ia32$|^ia-32$|^bepc$', raw_arch_string):
arch = 'X86_32'
bits = 32
elif re.match('^x64$|^x86_64$|^x86_64t$|^i686-64$|^amd64$|^ia64$|^ia-64$', raw_arch_string):
arch = 'X86_64'
bits = 64
# ARM
elif re.match('^armv8-a|aarch64$', raw_arch_string):
arch = 'ARM_8'
bits = 64
elif re.match('^armv7$|^armv7[a-z]$|^armv7-[a-z]$|^armv6[a-z]$', raw_arch_string):
arch = 'ARM_7'
bits = 32
elif re.match('^armv8$|^armv8[a-z]$|^armv8-[a-z]$', raw_arch_string):
arch = 'ARM_8'
bits = 32
# PPC
elif re.match('^ppc32$|^prep$|^pmac$|^powermac$', raw_arch_string):
arch = 'PPC_32'
bits = 32
elif re.match('^powerpc$|^ppc64$|^ppc64le$', raw_arch_string):
arch = 'PPC_64'
bits = 64
# SPARC
elif re.match('^sparc32$|^sparc$', raw_arch_string):
arch = 'SPARC_32'
bits = 32
elif re.match('^sparc64$|^sun4u$|^sun4v$', raw_arch_string):
arch = 'SPARC_64'
bits = 64
return (arch, bits)
def is_bit_set(reg, bit):
mask = 1 << bit
is_set = reg & mask > 0
return is_set
class CPUID(object):
def __init__(self):
self.prochandle = None
# Figure out if SE Linux is on and in enforcing mode
self.is_selinux_enforcing = False
# Just return if the SE Linux Status Tool is not installed
if not DataSource.has_sestatus():
return
# Figure out if we can execute heap and execute memory
can_selinux_exec_heap = DataSource.sestatus_allow_execheap()
can_selinux_exec_memory = DataSource.sestatus_allow_execmem()
self.is_selinux_enforcing = (not can_selinux_exec_heap or not can_selinux_exec_memory)
def _asm_func(self, restype=None, argtypes=(), byte_code=[]):
byte_code = bytes.join(b'', byte_code)
address = None
if DataSource.is_windows:
# Allocate a memory segment the size of the byte code, and make it executable
size = len(byte_code)
# Alloc at least 1 page to ensure we own all pages that we want to change protection on
if size < 0x1000: size = 0x1000
MEM_COMMIT = ctypes.c_ulong(0x1000)
PAGE_READWRITE = ctypes.c_ulong(0x4)
pfnVirtualAlloc = ctypes.windll.kernel32.VirtualAlloc
pfnVirtualAlloc.restype = ctypes.c_void_p
address = pfnVirtualAlloc(None, ctypes.c_size_t(size), MEM_COMMIT, PAGE_READWRITE)
if not address:
raise Exception("Failed to VirtualAlloc")
# Copy the byte code into the memory segment
memmove = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_size_t)(ctypes._memmove_addr)
if memmove(address, byte_code, size) < 0:
raise Exception("Failed to memmove")
# Enable execute permissions
PAGE_EXECUTE = ctypes.c_ulong(0x10)
old_protect = ctypes.c_ulong(0)
pfnVirtualProtect = ctypes.windll.kernel32.VirtualProtect
res = pfnVirtualProtect(ctypes.c_void_p(address), ctypes.c_size_t(size), PAGE_EXECUTE, ctypes.byref(old_protect))
if not res:
raise Exception("Failed VirtualProtect")
# Flush Instruction Cache
# First, get process Handle
if not self.prochandle:
pfnGetCurrentProcess = ctypes.windll.kernel32.GetCurrentProcess
pfnGetCurrentProcess.restype = ctypes.c_void_p
self.prochandle = ctypes.c_void_p(pfnGetCurrentProcess())
# Actually flush cache
res = ctypes.windll.kernel32.FlushInstructionCache(self.prochandle, ctypes.c_void_p(address), ctypes.c_size_t(size))
if not res:
raise Exception("Failed FlushInstructionCache")
else:
# Allocate a memory segment the size of the byte code
size = len(byte_code)
pfnvalloc = ctypes.pythonapi.valloc
pfnvalloc.restype = ctypes.c_void_p
address = pfnvalloc(ctypes.c_size_t(size))
if not address:
raise Exception("Failed to valloc")
# Mark the memory segment as writeable only
if not self.is_selinux_enforcing:
WRITE = 0x2
if ctypes.pythonapi.mprotect(ctypes.c_void_p(address), size, WRITE) < 0:
raise Exception("Failed to mprotect")
# Copy the byte code into the memory segment
if ctypes.pythonapi.memmove(ctypes.c_void_p(address), byte_code, ctypes.c_size_t(size)) < 0:
raise Exception("Failed to memmove")
# Mark the memory segment as writeable and executable only
if not self.is_selinux_enforcing:
WRITE_EXECUTE = 0x2 | 0x4
if ctypes.pythonapi.mprotect(ctypes.c_void_p(address), size, WRITE_EXECUTE) < 0:
raise Exception("Failed to mprotect")
# Cast the memory segment into a function
functype = ctypes.CFUNCTYPE(restype, *argtypes)
fun = functype(address)
return fun, address
def _run_asm(self, *byte_code):
# Convert the byte code into a function that returns an int
restype = ctypes.c_uint32
argtypes = ()
func, address = self._asm_func(restype, argtypes, byte_code)
# Call the byte code like a function
retval = func()
byte_code = bytes.join(b'', byte_code)
size = ctypes.c_size_t(len(byte_code))
# Free the function memory segment
if DataSource.is_windows:
MEM_RELEASE = ctypes.c_ulong(0x8000)
ctypes.windll.kernel32.VirtualFree(ctypes.c_void_p(address), ctypes.c_size_t(0), MEM_RELEASE)
else:
# Remove the executable tag on the memory
READ_WRITE = 0x1 | 0x2
if ctypes.pythonapi.mprotect(ctypes.c_void_p(address), size, READ_WRITE) < 0:
raise Exception("Failed to mprotect")
ctypes.pythonapi.free(ctypes.c_void_p(address))
return retval
# FIXME: We should not have to use different instructions to
# set eax to 0 or 1, on 32bit and 64bit machines.
def _zero_eax(self):
return (
b"\x31\xC0" # xor eax,eax
)
def _zero_ecx(self):
return (
b"\x31\xC9" # xor ecx,ecx
)
def _one_eax(self):
return (
b"\xB8\x01\x00\x00\x00" # mov eax,0x1"
)
# http://en.wikipedia.org/wiki/CPUID#EAX.3D0:_Get_vendor_ID
def get_vendor_id(self):
# EBX
ebx = self._run_asm(
self._zero_eax(),
b"\x0F\xA2" # cpuid
b"\x89\xD8" # mov ax,bx
b"\xC3" # ret
)
# ECX
ecx = self._run_asm(
self._zero_eax(),
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3" # ret
)
# EDX
edx = self._run_asm(
self._zero_eax(),
b"\x0f\xa2" # cpuid
b"\x89\xD0" # mov ax,dx
b"\xC3" # ret
)
# Each 4bits is a ascii letter in the name
vendor_id = []
for reg in [ebx, edx, ecx]:
for n in [0, 8, 16, 24]:
vendor_id.append(chr((reg >> n) & 0xFF))
vendor_id = ''.join(vendor_id)
return vendor_id
# http://en.wikipedia.org/wiki/CPUID#EAX.3D1:_Processor_Info_and_Feature_Bits
def get_info(self):
# EAX
eax = self._run_asm(
self._one_eax(),
b"\x0f\xa2" # cpuid
b"\xC3" # ret
)
# Get the CPU info
stepping = (eax >> 0) & 0xF # 4 bits
model = (eax >> 4) & 0xF # 4 bits
family = (eax >> 8) & 0xF # 4 bits
processor_type = (eax >> 12) & 0x3 # 2 bits
extended_model = (eax >> 16) & 0xF # 4 bits
extended_family = (eax >> 20) & 0xFF # 8 bits
return {
'stepping' : stepping,
'model' : model,
'family' : family,
'processor_type' : processor_type,
'extended_model' : extended_model,
'extended_family' : extended_family
}
# http://en.wikipedia.org/wiki/CPUID#EAX.3D80000000h:_Get_Highest_Extended_Function_Supported
def get_max_extension_support(self):
# Check for extension support
max_extension_support = self._run_asm(
b"\xB8\x00\x00\x00\x80" # mov ax,0x80000000
b"\x0f\xa2" # cpuid
b"\xC3" # ret
)
return max_extension_support
# http://en.wikipedia.org/wiki/CPUID#EAX.3D1:_Processor_Info_and_Feature_Bits
def get_flags(self, max_extension_support):
# EDX
edx = self._run_asm(
self._one_eax(),
b"\x0f\xa2" # cpuid
b"\x89\xD0" # mov ax,dx
b"\xC3" # ret
)
# ECX
ecx = self._run_asm(
self._one_eax(),
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3" # ret
)
# Get the CPU flags
flags = {
'fpu' : is_bit_set(edx, 0),
'vme' : is_bit_set(edx, 1),
'de' : is_bit_set(edx, 2),
'pse' : is_bit_set(edx, 3),
'tsc' : is_bit_set(edx, 4),
'msr' : is_bit_set(edx, 5),
'pae' : is_bit_set(edx, 6),
'mce' : is_bit_set(edx, 7),
'cx8' : is_bit_set(edx, 8),
'apic' : is_bit_set(edx, 9),
#'reserved1' : is_bit_set(edx, 10),
'sep' : is_bit_set(edx, 11),
'mtrr' : is_bit_set(edx, 12),
'pge' : is_bit_set(edx, 13),
'mca' : is_bit_set(edx, 14),
'cmov' : is_bit_set(edx, 15),
'pat' : is_bit_set(edx, 16),
'pse36' : is_bit_set(edx, 17),
'pn' : is_bit_set(edx, 18),
'clflush' : is_bit_set(edx, 19),
#'reserved2' : is_bit_set(edx, 20),
'dts' : is_bit_set(edx, 21),
'acpi' : is_bit_set(edx, 22),
'mmx' : is_bit_set(edx, 23),
'fxsr' : is_bit_set(edx, 24),
'sse' : is_bit_set(edx, 25),
'sse2' : is_bit_set(edx, 26),
'ss' : is_bit_set(edx, 27),
'ht' : is_bit_set(edx, 28),
'tm' : is_bit_set(edx, 29),
'ia64' : is_bit_set(edx, 30),
'pbe' : is_bit_set(edx, 31),
'pni' : is_bit_set(ecx, 0),
'pclmulqdq' : is_bit_set(ecx, 1),
'dtes64' : is_bit_set(ecx, 2),
'monitor' : is_bit_set(ecx, 3),
'ds_cpl' : is_bit_set(ecx, 4),
'vmx' : is_bit_set(ecx, 5),
'smx' : is_bit_set(ecx, 6),
'est' : is_bit_set(ecx, 7),
'tm2' : is_bit_set(ecx, 8),
'ssse3' : is_bit_set(ecx, 9),
'cid' : is_bit_set(ecx, 10),
#'reserved3' : is_bit_set(ecx, 11),
'fma' : is_bit_set(ecx, 12),
'cx16' : is_bit_set(ecx, 13),
'xtpr' : is_bit_set(ecx, 14),
'pdcm' : is_bit_set(ecx, 15),
#'reserved4' : is_bit_set(ecx, 16),
'pcid' : is_bit_set(ecx, 17),
'dca' : is_bit_set(ecx, 18),
'sse4_1' : is_bit_set(ecx, 19),
'sse4_2' : is_bit_set(ecx, 20),
'x2apic' : is_bit_set(ecx, 21),
'movbe' : is_bit_set(ecx, 22),
'popcnt' : is_bit_set(ecx, 23),
'tscdeadline' : is_bit_set(ecx, 24),
'aes' : is_bit_set(ecx, 25),
'xsave' : is_bit_set(ecx, 26),
'osxsave' : is_bit_set(ecx, 27),
'avx' : is_bit_set(ecx, 28),
'f16c' : is_bit_set(ecx, 29),
'rdrnd' : is_bit_set(ecx, 30),
'hypervisor' : is_bit_set(ecx, 31)
}
# Get a list of only the flags that are true
flags = [k for k, v in flags.items() if v]
# http://en.wikipedia.org/wiki/CPUID#EAX.3D7.2C_ECX.3D0:_Extended_Features
if max_extension_support >= 7:
# EBX
ebx = self._run_asm(
self._zero_ecx(),
b"\xB8\x07\x00\x00\x00" # mov eax,7
b"\x0f\xa2" # cpuid
b"\x89\xD8" # mov ax,bx
b"\xC3" # ret
)
# ECX
ecx = self._run_asm(
self._zero_ecx(),
b"\xB8\x07\x00\x00\x00" # mov eax,7
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3" # ret
)
# Get the extended CPU flags
extended_flags = {
#'fsgsbase' : is_bit_set(ebx, 0),
#'IA32_TSC_ADJUST' : is_bit_set(ebx, 1),
'sgx' : is_bit_set(ebx, 2),
'bmi1' : is_bit_set(ebx, 3),
'hle' : is_bit_set(ebx, 4),
'avx2' : is_bit_set(ebx, 5),
#'reserved' : is_bit_set(ebx, 6),
'smep' : is_bit_set(ebx, 7),
'bmi2' : is_bit_set(ebx, 8),
'erms' : is_bit_set(ebx, 9),
'invpcid' : is_bit_set(ebx, 10),
'rtm' : is_bit_set(ebx, 11),
'pqm' : is_bit_set(ebx, 12),
#'FPU CS and FPU DS deprecated' : is_bit_set(ebx, 13),
'mpx' : is_bit_set(ebx, 14),
'pqe' : is_bit_set(ebx, 15),
'avx512f' : is_bit_set(ebx, 16),
'avx512dq' : is_bit_set(ebx, 17),
'rdseed' : is_bit_set(ebx, 18),
'adx' : is_bit_set(ebx, 19),
'smap' : is_bit_set(ebx, 20),
'avx512ifma' : is_bit_set(ebx, 21),
'pcommit' : is_bit_set(ebx, 22),
'clflushopt' : is_bit_set(ebx, 23),
'clwb' : is_bit_set(ebx, 24),
'intel_pt' : is_bit_set(ebx, 25),
'avx512pf' : is_bit_set(ebx, 26),
'avx512er' : is_bit_set(ebx, 27),
'avx512cd' : is_bit_set(ebx, 28),
'sha' : is_bit_set(ebx, 29),
'avx512bw' : is_bit_set(ebx, 30),
'avx512vl' : is_bit_set(ebx, 31),
'prefetchwt1' : is_bit_set(ecx, 0),
'avx512vbmi' : is_bit_set(ecx, 1),
'umip' : is_bit_set(ecx, 2),
'pku' : is_bit_set(ecx, 3),
'ospke' : is_bit_set(ecx, 4),
#'reserved' : is_bit_set(ecx, 5),
'avx512vbmi2' : is_bit_set(ecx, 6),
#'reserved' : is_bit_set(ecx, 7),
'gfni' : is_bit_set(ecx, 8),
'vaes' : is_bit_set(ecx, 9),
'vpclmulqdq' : is_bit_set(ecx, 10),
'avx512vnni' : is_bit_set(ecx, 11),
'avx512bitalg' : is_bit_set(ecx, 12),
#'reserved' : is_bit_set(ecx, 13),
'avx512vpopcntdq' : is_bit_set(ecx, 14),
#'reserved' : is_bit_set(ecx, 15),
#'reserved' : is_bit_set(ecx, 16),
#'mpx0' : is_bit_set(ecx, 17),
#'mpx1' : is_bit_set(ecx, 18),
#'mpx2' : is_bit_set(ecx, 19),
#'mpx3' : is_bit_set(ecx, 20),
#'mpx4' : is_bit_set(ecx, 21),
'rdpid' : is_bit_set(ecx, 22),
#'reserved' : is_bit_set(ecx, 23),
#'reserved' : is_bit_set(ecx, 24),
#'reserved' : is_bit_set(ecx, 25),
#'reserved' : is_bit_set(ecx, 26),
#'reserved' : is_bit_set(ecx, 27),
#'reserved' : is_bit_set(ecx, 28),
#'reserved' : is_bit_set(ecx, 29),
'sgx_lc' : is_bit_set(ecx, 30),
#'reserved' : is_bit_set(ecx, 31)
}
# Get a list of only the flags that are true
extended_flags = [k for k, v in extended_flags.items() if v]
flags += extended_flags
# http://en.wikipedia.org/wiki/CPUID#EAX.3D80000001h:_Extended_Processor_Info_and_Feature_Bits
if max_extension_support >= 0x80000001:
# EBX
ebx = self._run_asm(
b"\xB8\x01\x00\x00\x80" # mov ax,0x80000001
b"\x0f\xa2" # cpuid
b"\x89\xD8" # mov ax,bx
b"\xC3" # ret
)
# ECX
ecx = self._run_asm(
b"\xB8\x01\x00\x00\x80" # mov ax,0x80000001
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3" # ret
)
# Get the extended CPU flags
extended_flags = {
'fpu' : is_bit_set(ebx, 0),
'vme' : is_bit_set(ebx, 1),
'de' : is_bit_set(ebx, 2),
'pse' : is_bit_set(ebx, 3),
'tsc' : is_bit_set(ebx, 4),
'msr' : is_bit_set(ebx, 5),
'pae' : is_bit_set(ebx, 6),
'mce' : is_bit_set(ebx, 7),
'cx8' : is_bit_set(ebx, 8),
'apic' : is_bit_set(ebx, 9),
#'reserved' : is_bit_set(ebx, 10),
'syscall' : is_bit_set(ebx, 11),
'mtrr' : is_bit_set(ebx, 12),
'pge' : is_bit_set(ebx, 13),
'mca' : is_bit_set(ebx, 14),
'cmov' : is_bit_set(ebx, 15),
'pat' : is_bit_set(ebx, 16),
'pse36' : is_bit_set(ebx, 17),
#'reserved' : is_bit_set(ebx, 18),
'mp' : is_bit_set(ebx, 19),
'nx' : is_bit_set(ebx, 20),
#'reserved' : is_bit_set(ebx, 21),
'mmxext' : is_bit_set(ebx, 22),
'mmx' : is_bit_set(ebx, 23),
'fxsr' : is_bit_set(ebx, 24),
'fxsr_opt' : is_bit_set(ebx, 25),
'pdpe1gp' : is_bit_set(ebx, 26),
'rdtscp' : is_bit_set(ebx, 27),
#'reserved' : is_bit_set(ebx, 28),
'lm' : is_bit_set(ebx, 29),
'3dnowext' : is_bit_set(ebx, 30),
'3dnow' : is_bit_set(ebx, 31),
'lahf_lm' : is_bit_set(ecx, 0),
'cmp_legacy' : is_bit_set(ecx, 1),
'svm' : is_bit_set(ecx, 2),
'extapic' : is_bit_set(ecx, 3),
'cr8_legacy' : is_bit_set(ecx, 4),
'abm' : is_bit_set(ecx, 5),
'sse4a' : is_bit_set(ecx, 6),
'misalignsse' : is_bit_set(ecx, 7),
'3dnowprefetch' : is_bit_set(ecx, 8),
'osvw' : is_bit_set(ecx, 9),
'ibs' : is_bit_set(ecx, 10),
'xop' : is_bit_set(ecx, 11),
'skinit' : is_bit_set(ecx, 12),
'wdt' : is_bit_set(ecx, 13),
#'reserved' : is_bit_set(ecx, 14),
'lwp' : is_bit_set(ecx, 15),
'fma4' : is_bit_set(ecx, 16),
'tce' : is_bit_set(ecx, 17),
#'reserved' : is_bit_set(ecx, 18),
'nodeid_msr' : is_bit_set(ecx, 19),
#'reserved' : is_bit_set(ecx, 20),
'tbm' : is_bit_set(ecx, 21),
'topoext' : is_bit_set(ecx, 22),
'perfctr_core' : is_bit_set(ecx, 23),
'perfctr_nb' : is_bit_set(ecx, 24),
#'reserved' : is_bit_set(ecx, 25),
'dbx' : is_bit_set(ecx, 26),
'perftsc' : is_bit_set(ecx, 27),
'pci_l2i' : is_bit_set(ecx, 28),
#'reserved' : is_bit_set(ecx, 29),
#'reserved' : is_bit_set(ecx, 30),
#'reserved' : is_bit_set(ecx, 31)
}
# Get a list of only the flags that are true
extended_flags = [k for k, v in extended_flags.items() if v]
flags += extended_flags
flags.sort()
return flags
# http://en.wikipedia.org/wiki/CPUID#EAX.3D80000002h.2C80000003h.2C80000004h:_Processor_Brand_String
def get_processor_brand(self, max_extension_support):
processor_brand = ""
# Processor brand string
if max_extension_support >= 0x80000004:
instructions = [
b"\xB8\x02\x00\x00\x80", # mov ax,0x80000002
b"\xB8\x03\x00\x00\x80", # mov ax,0x80000003
b"\xB8\x04\x00\x00\x80" # mov ax,0x80000004
]
for instruction in instructions:
# EAX
eax = self._run_asm(
instruction, # mov ax,0x8000000?
b"\x0f\xa2" # cpuid
b"\x89\xC0" # mov ax,ax
b"\xC3" # ret
)
# EBX
ebx = self._run_asm(
instruction, # mov ax,0x8000000?
b"\x0f\xa2" # cpuid
b"\x89\xD8" # mov ax,bx
b"\xC3" # ret
)
# ECX
ecx = self._run_asm(
instruction, # mov ax,0x8000000?
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3" # ret
)
# EDX
edx = self._run_asm(
instruction, # mov ax,0x8000000?
b"\x0f\xa2" # cpuid
b"\x89\xD0" # mov ax,dx
b"\xC3" # ret
)
# Combine each of the 4 bytes in each register into the string
for reg in [eax, ebx, ecx, edx]:
for n in [0, 8, 16, 24]:
processor_brand += chr((reg >> n) & 0xFF)
# Strip off any trailing NULL terminators and white space
processor_brand = processor_brand.strip("\0").strip()
return processor_brand
# http://en.wikipedia.org/wiki/CPUID#EAX.3D80000006h:_Extended_L2_Cache_Features
def get_cache(self, max_extension_support):
cache_info = {}
# Just return if the cache feature is not supported
if max_extension_support < 0x80000006:
return cache_info
# ECX
ecx = self._run_asm(
b"\xB8\x06\x00\x00\x80" # mov ax,0x80000006
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3" # ret
)
cache_info = {
'size_kb' : ecx & 0xFF,
'line_size_b' : (ecx >> 12) & 0xF,
'associativity' : (ecx >> 16) & 0xFFFF
}
return cache_info
def get_ticks(self):
retval = None
if DataSource.bits == '32bit':
# Works on x86_32
restype = None
argtypes = (ctypes.POINTER(ctypes.c_uint), ctypes.POINTER(ctypes.c_uint))
get_ticks_x86_32, address = self._asm_func(restype, argtypes,
[
b"\x55", # push bp
b"\x89\xE5", # mov bp,sp
b"\x31\xC0", # xor ax,ax
b"\x0F\xA2", # cpuid
b"\x0F\x31", # rdtsc
b"\x8B\x5D\x08", # mov bx,[di+0x8]
b"\x8B\x4D\x0C", # mov cx,[di+0xc]
b"\x89\x13", # mov [bp+di],dx
b"\x89\x01", # mov [bx+di],ax
b"\x5D", # pop bp
b"\xC3" # ret
]
)
high = ctypes.c_uint32(0)
low = ctypes.c_uint32(0)
get_ticks_x86_32(ctypes.byref(high), ctypes.byref(low))
retval = ((high.value << 32) & 0xFFFFFFFF00000000) | low.value
elif DataSource.bits == '64bit':
# Works on x86_64
restype = ctypes.c_uint64
argtypes = ()
get_ticks_x86_64, address = self._asm_func(restype, argtypes,
[
b"\x48", # dec ax
b"\x31\xC0", # xor ax,ax
b"\x0F\xA2", # cpuid
b"\x0F\x31", # rdtsc
b"\x48", # dec ax
b"\xC1\xE2\x20", # shl dx,byte 0x20
b"\x48", # dec ax
b"\x09\xD0", # or ax,dx
b"\xC3", # ret
]
)
retval = get_ticks_x86_64()
return retval
def get_raw_hz(self):
start = self.get_ticks()
time.sleep(1)
end = self.get_ticks()
ticks = (end - start)
return ticks
def _actual_get_cpu_info_from_cpuid(queue):
'''
Warning! This function has the potential to crash the Python runtime.
Do not call it directly. Use the _get_cpu_info_from_cpuid function instead.
It will safely call this function in another process.
'''
# Pipe all output to nothing
sys.stdout = open(os.devnull, 'w')
sys.stderr = open(os.devnull, 'w')
# Get the CPU arch and bits
arch, bits = parse_arch(DataSource.raw_arch_string)
# Return none if this is not an X86 CPU
if not arch in ['X86_32', 'X86_64']:
queue.put(obj_to_b64({}))
return
# Return none if SE Linux is in enforcing mode
cpuid = CPUID()
if cpuid.is_selinux_enforcing:
queue.put(obj_to_b64({}))
return
# Get the cpu info from the CPUID register
max_extension_support = cpuid.get_max_extension_support()
cache_info = cpuid.get_cache(max_extension_support)
info = cpuid.get_info()
processor_brand = cpuid.get_processor_brand(max_extension_support)
# Get the Hz and scale
hz_actual = cpuid.get_raw_hz()
hz_actual = to_hz_string(hz_actual)
# Get the Hz and scale
scale, hz_advertised = _get_hz_string_from_brand(processor_brand)
info = {
'vendor_id' : cpuid.get_vendor_id(),
'hardware' : '',
'brand' : processor_brand,
'hz_advertised' : to_friendly_hz(hz_advertised, scale),
'hz_actual' : to_friendly_hz(hz_actual, 0),
'hz_advertised_raw' : to_raw_hz(hz_advertised, scale),
'hz_actual_raw' : to_raw_hz(hz_actual, 0),
'l2_cache_size' : to_friendly_bytes(cache_info['size_kb']),
'l2_cache_line_size' : cache_info['line_size_b'],
'l2_cache_associativity' : hex(cache_info['associativity']),
'stepping' : info['stepping'],
'model' : info['model'],
'family' : info['family'],
'processor_type' : info['processor_type'],
'extended_model' : info['extended_model'],
'extended_family' : info['extended_family'],
'flags' : cpuid.get_flags(max_extension_support)
}
info = {k: v for k, v in info.items() if v}
queue.put(obj_to_b64(info))
def _get_cpu_info_from_cpuid():
'''
Returns the CPU info gathered by querying the X86 cpuid register in a new process.
Returns {} on non X86 cpus.
Returns {} if SELinux is in enforcing mode.
'''
from multiprocessing import Process, Queue
# Return {} if can't cpuid
if not DataSource.can_cpuid:
return {}
# Get the CPU arch and bits
arch, bits = parse_arch(DataSource.raw_arch_string)
# Return {} if this is not an X86 CPU
if not arch in ['X86_32', 'X86_64']:
return {}
try:
# Start running the function in a subprocess
queue = Queue()
p = Process(target=_actual_get_cpu_info_from_cpuid, args=(queue,))
p.start()
# Wait for the process to end, while it is still alive
while p.is_alive():
p.join(0)
# Return {} if it failed
if p.exitcode != 0:
return {}
# Return the result, only if there is something to read
if not queue.empty():
output = queue.get()
return b64_to_obj(output)
except:
pass
# Return {} if everything failed
return {}
def _get_cpu_info_from_proc_cpuinfo():
'''
Returns the CPU info gathered from /proc/cpuinfo.
Returns {} if /proc/cpuinfo is not found.
'''
try:
# Just return {} if there is no cpuinfo
if not DataSource.has_proc_cpuinfo():
return {}
returncode, output = DataSource.cat_proc_cpuinfo()
if returncode != 0:
return {}
# Various fields
vendor_id = _get_field(False, output, None, '', 'vendor_id', 'vendor id', 'vendor')
processor_brand = _get_field(True, output, None, None, 'model name','cpu', 'processor')
cache_size = _get_field(False, output, None, '', 'cache size')
stepping = _get_field(False, output, int, 0, 'stepping')
model = _get_field(False, output, int, 0, 'model')
family = _get_field(False, output, int, 0, 'cpu family')
hardware = _get_field(False, output, None, '', 'Hardware')
# Flags
flags = _get_field(False, output, None, None, 'flags', 'Features')
if flags:
flags = flags.split()
flags.sort()
# Convert from MHz string to Hz
hz_actual = _get_field(False, output, None, '', 'cpu MHz', 'cpu speed', 'clock')
hz_actual = hz_actual.lower().rstrip('mhz').strip()
hz_actual = to_hz_string(hz_actual)
# Convert from GHz/MHz string to Hz
scale, hz_advertised = (0, None)
try:
scale, hz_advertised = _get_hz_string_from_brand(processor_brand)
except Exception:
pass
info = {
'hardware' : hardware,
'brand' : processor_brand,
'l3_cache_size' : to_friendly_bytes(cache_size),
'flags' : flags,
'vendor_id' : vendor_id,
'stepping' : stepping,
'model' : model,
'family' : family,
}
# Make the Hz the same for actual and advertised if missing any
if not hz_advertised or hz_advertised == '0.0':
hz_advertised = hz_actual
scale = 6
elif not hz_actual or hz_actual == '0.0':
hz_actual = hz_advertised
# Add the Hz if there is one
if to_raw_hz(hz_advertised, scale) > (0, 0):
info['hz_advertised'] = to_friendly_hz(hz_advertised, scale)
info['hz_advertised_raw'] = to_raw_hz(hz_advertised, scale)
if to_raw_hz(hz_actual, scale) > (0, 0):
info['hz_actual'] = to_friendly_hz(hz_actual, 6)
info['hz_actual_raw'] = to_raw_hz(hz_actual, 6)
info = {k: v for k, v in info.items() if v}
return info
except:
#raise # NOTE: To have this throw on error, uncomment this line
return {}
def _get_cpu_info_from_cpufreq_info():
'''
Returns the CPU info gathered from cpufreq-info.
Returns {} if cpufreq-info is not found.
'''
try:
scale, hz_brand = 1, '0.0'
if not DataSource.has_cpufreq_info():
return {}
returncode, output = DataSource.cpufreq_info()
if returncode != 0:
return {}
hz_brand = output.split('current CPU frequency is')[1].split('\n')[0]
i = hz_brand.find('Hz')
assert(i != -1)
hz_brand = hz_brand[0 : i+2].strip().lower()
if hz_brand.endswith('mhz'):
scale = 6
elif hz_brand.endswith('ghz'):
scale = 9
hz_brand = hz_brand.rstrip('mhz').rstrip('ghz').strip()
hz_brand = to_hz_string(hz_brand)
info = {
'hz_advertised' : to_friendly_hz(hz_brand, scale),
'hz_actual' : to_friendly_hz(hz_brand, scale),
'hz_advertised_raw' : to_raw_hz(hz_brand, scale),
'hz_actual_raw' : to_raw_hz(hz_brand, scale),
}
info = {k: v for k, v in info.items() if v}
return info
except:
#raise # NOTE: To have this throw on error, uncomment this line
return {}
def _get_cpu_info_from_lscpu():
'''
Returns the CPU info gathered from lscpu.
Returns {} if lscpu is not found.
'''
try:
if not DataSource.has_lscpu():
return {}
returncode, output = DataSource.lscpu()
if returncode != 0:
return {}
info = {}
new_hz = _get_field(False, output, None, None, 'CPU max MHz', 'CPU MHz')
if new_hz:
new_hz = to_hz_string(new_hz)
scale = 6
info['hz_advertised'] = to_friendly_hz(new_hz, scale)
info['hz_actual'] = to_friendly_hz(new_hz, scale)
info['hz_advertised_raw'] = to_raw_hz(new_hz, scale)
info['hz_actual_raw'] = to_raw_hz(new_hz, scale)
vendor_id = _get_field(False, output, None, None, 'Vendor ID')
if vendor_id:
info['vendor_id'] = vendor_id
brand = _get_field(False, output, None, None, 'Model name')
if brand:
info['brand'] = brand
family = _get_field(False, output, None, None, 'CPU family')
if family and family.isdigit():
info['family'] = int(family)
stepping = _get_field(False, output, None, None, 'Stepping')
if stepping and stepping.isdigit():
info['stepping'] = int(stepping)
model = _get_field(False, output, None, None, 'Model')
if model and model.isdigit():
info['model'] = int(model)
l1_data_cache_size = _get_field(False, output, None, None, 'L1d cache')
if l1_data_cache_size:
info['l1_data_cache_size'] = to_friendly_bytes(l1_data_cache_size)
l1_instruction_cache_size = _get_field(False, output, None, None, 'L1i cache')
if l1_instruction_cache_size:
info['l1_instruction_cache_size'] = to_friendly_bytes(l1_instruction_cache_size)
l2_cache_size = _get_field(False, output, None, None, 'L2 cache')
if l2_cache_size:
info['l2_cache_size'] = to_friendly_bytes(l2_cache_size)
l3_cache_size = _get_field(False, output, None, None, 'L3 cache')
if l3_cache_size:
info['l3_cache_size'] = to_friendly_bytes(l3_cache_size)
# Flags
flags = _get_field(False, output, None, None, 'flags', 'Features')
if flags:
flags = flags.split()
flags.sort()
info['flags'] = flags
info = {k: v for k, v in info.items() if v}
return info
except:
#raise # NOTE: To have this throw on error, uncomment this line
return {}
def _get_cpu_info_from_dmesg():
'''
Returns the CPU info gathered from dmesg.
Returns {} if dmesg is not found or does not have the desired info.
'''
# Just return {} if there is no dmesg
if not DataSource.has_dmesg():
return {}
# If dmesg fails return {}
returncode, output = DataSource.dmesg_a()
if output == None or returncode != 0:
return {}
return _parse_dmesg_output(output)
# https://openpowerfoundation.org/wp-content/uploads/2016/05/LoPAPR_DRAFT_v11_24March2016_cmt1.pdf
# page 767
def _get_cpu_info_from_ibm_pa_features():
'''
Returns the CPU info gathered from lsprop /proc/device-tree/cpus/*/ibm,pa-features
Returns {} if lsprop is not found or ibm,pa-features does not have the desired info.
'''
try:
# Just return {} if there is no lsprop
if not DataSource.has_ibm_pa_features():
return {}
# If ibm,pa-features fails return {}
returncode, output = DataSource.ibm_pa_features()
if output == None or returncode != 0:
return {}
# Filter out invalid characters from output
value = output.split("ibm,pa-features")[1].lower()
value = [s for s in value if s in list('0123456789abcfed')]
value = ''.join(value)
# Get data converted to Uint32 chunks
left = int(value[0 : 8], 16)
right = int(value[8 : 16], 16)
# Get the CPU flags
flags = {
# Byte 0
'mmu' : is_bit_set(left, 0),
'fpu' : is_bit_set(left, 1),
'slb' : is_bit_set(left, 2),
'run' : is_bit_set(left, 3),
#'reserved' : is_bit_set(left, 4),
'dabr' : is_bit_set(left, 5),
'ne' : is_bit_set(left, 6),
'wtr' : is_bit_set(left, 7),
# Byte 1
'mcr' : is_bit_set(left, 8),
'dsisr' : is_bit_set(left, 9),
'lp' : is_bit_set(left, 10),
'ri' : is_bit_set(left, 11),
'dabrx' : is_bit_set(left, 12),
'sprg3' : is_bit_set(left, 13),
'rislb' : is_bit_set(left, 14),
'pp' : is_bit_set(left, 15),
# Byte 2
'vpm' : is_bit_set(left, 16),
'dss_2.05' : is_bit_set(left, 17),
#'reserved' : is_bit_set(left, 18),
'dar' : is_bit_set(left, 19),
#'reserved' : is_bit_set(left, 20),
'ppr' : is_bit_set(left, 21),
'dss_2.02' : is_bit_set(left, 22),
'dss_2.06' : is_bit_set(left, 23),
# Byte 3
'lsd_in_dscr' : is_bit_set(left, 24),
'ugr_in_dscr' : is_bit_set(left, 25),
#'reserved' : is_bit_set(left, 26),
#'reserved' : is_bit_set(left, 27),
#'reserved' : is_bit_set(left, 28),
#'reserved' : is_bit_set(left, 29),
#'reserved' : is_bit_set(left, 30),
#'reserved' : is_bit_set(left, 31),
# Byte 4
'sso_2.06' : is_bit_set(right, 0),
#'reserved' : is_bit_set(right, 1),
#'reserved' : is_bit_set(right, 2),
#'reserved' : is_bit_set(right, 3),
#'reserved' : is_bit_set(right, 4),
#'reserved' : is_bit_set(right, 5),
#'reserved' : is_bit_set(right, 6),
#'reserved' : is_bit_set(right, 7),
# Byte 5
'le' : is_bit_set(right, 8),
'cfar' : is_bit_set(right, 9),
'eb' : is_bit_set(right, 10),
'lsq_2.07' : is_bit_set(right, 11),
#'reserved' : is_bit_set(right, 12),
#'reserved' : is_bit_set(right, 13),
#'reserved' : is_bit_set(right, 14),
#'reserved' : is_bit_set(right, 15),
# Byte 6
'dss_2.07' : is_bit_set(right, 16),
#'reserved' : is_bit_set(right, 17),
#'reserved' : is_bit_set(right, 18),
#'reserved' : is_bit_set(right, 19),
#'reserved' : is_bit_set(right, 20),
#'reserved' : is_bit_set(right, 21),
#'reserved' : is_bit_set(right, 22),
#'reserved' : is_bit_set(right, 23),
# Byte 7
#'reserved' : is_bit_set(right, 24),
#'reserved' : is_bit_set(right, 25),
#'reserved' : is_bit_set(right, 26),
#'reserved' : is_bit_set(right, 27),
#'reserved' : is_bit_set(right, 28),
#'reserved' : is_bit_set(right, 29),
#'reserved' : is_bit_set(right, 30),
#'reserved' : is_bit_set(right, 31),
}
# Get a list of only the flags that are true
flags = [k for k, v in flags.items() if v]
flags.sort()
info = {
'flags' : flags
}
info = {k: v for k, v in info.items() if v}
return info
except:
return {}
def _get_cpu_info_from_cat_var_run_dmesg_boot():
'''
Returns the CPU info gathered from /var/run/dmesg.boot.
Returns {} if dmesg is not found or does not have the desired info.
'''
# Just return {} if there is no /var/run/dmesg.boot
if not DataSource.has_var_run_dmesg_boot():
return {}
# If dmesg.boot fails return {}
returncode, output = DataSource.cat_var_run_dmesg_boot()
if output == None or returncode != 0:
return {}
return _parse_dmesg_output(output)
def _get_cpu_info_from_sysctl():
'''
Returns the CPU info gathered from sysctl.
Returns {} if sysctl is not found.
'''
try:
# Just return {} if there is no sysctl
if not DataSource.has_sysctl():
return {}
# If sysctl fails return {}
returncode, output = DataSource.sysctl_machdep_cpu_hw_cpufrequency()
if output == None or returncode != 0:
return {}
# Various fields
vendor_id = _get_field(False, output, None, None, 'machdep.cpu.vendor')
processor_brand = _get_field(True, output, None, None, 'machdep.cpu.brand_string')
cache_size = _get_field(False, output, None, None, 'machdep.cpu.cache.size')
stepping = _get_field(False, output, int, 0, 'machdep.cpu.stepping')
model = _get_field(False, output, int, 0, 'machdep.cpu.model')
family = _get_field(False, output, int, 0, 'machdep.cpu.family')
# Flags
flags = _get_field(False, output, None, '', 'machdep.cpu.features').lower().split()
flags.extend(_get_field(False, output, None, '', 'machdep.cpu.leaf7_features').lower().split())
flags.extend(_get_field(False, output, None, '', 'machdep.cpu.extfeatures').lower().split())
flags.sort()
# Convert from GHz/MHz string to Hz
scale, hz_advertised = _get_hz_string_from_brand(processor_brand)
hz_actual = _get_field(False, output, None, None, 'hw.cpufrequency')
hz_actual = to_hz_string(hz_actual)
info = {
'vendor_id' : vendor_id,
'brand' : processor_brand,
'hz_advertised' : to_friendly_hz(hz_advertised, scale),
'hz_actual' : to_friendly_hz(hz_actual, 0),
'hz_advertised_raw' : to_raw_hz(hz_advertised, scale),
'hz_actual_raw' : to_raw_hz(hz_actual, 0),
'l2_cache_size' : to_friendly_bytes(cache_size),
'stepping' : stepping,
'model' : model,
'family' : family,
'flags' : flags
}
info = {k: v for k, v in info.items() if v}
return info
except:
return {}
def _get_cpu_info_from_sysinfo():
'''
Returns the CPU info gathered from sysinfo.
Returns {} if sysinfo is not found.
'''
info = _get_cpu_info_from_sysinfo_v1()
info.update(_get_cpu_info_from_sysinfo_v2())
return info
def _get_cpu_info_from_sysinfo_v1():
'''
Returns the CPU info gathered from sysinfo.
Returns {} if sysinfo is not found.
'''
try:
# Just return {} if there is no sysinfo
if not DataSource.has_sysinfo():
return {}
# If sysinfo fails return {}
returncode, output = DataSource.sysinfo_cpu()
if output == None or returncode != 0:
return {}
# Various fields
vendor_id = '' #_get_field(False, output, None, None, 'CPU #0: ')
processor_brand = output.split('CPU #0: "')[1].split('"\n')[0]
cache_size = '' #_get_field(False, output, None, None, 'machdep.cpu.cache.size')
stepping = int(output.split(', stepping ')[1].split(',')[0].strip())
model = int(output.split(', model ')[1].split(',')[0].strip())
family = int(output.split(', family ')[1].split(',')[0].strip())
# Flags
flags = []
for line in output.split('\n'):
if line.startswith('\t\t'):
for flag in line.strip().lower().split():
flags.append(flag)
flags.sort()
# Convert from GHz/MHz string to Hz
scale, hz_advertised = _get_hz_string_from_brand(processor_brand)
hz_actual = hz_advertised
info = {
'vendor_id' : vendor_id,
'brand' : processor_brand,
'hz_advertised' : to_friendly_hz(hz_advertised, scale),
'hz_actual' : to_friendly_hz(hz_actual, scale),
'hz_advertised_raw' : to_raw_hz(hz_advertised, scale),
'hz_actual_raw' : to_raw_hz(hz_actual, scale),
'l2_cache_size' : to_friendly_bytes(cache_size),
'stepping' : stepping,
'model' : model,
'family' : family,
'flags' : flags
}
info = {k: v for k, v in info.items() if v}
return info
except:
return {}
def _get_cpu_info_from_sysinfo_v2():
'''
Returns the CPU info gathered from sysinfo.
Returns {} if sysinfo is not found.
'''
try:
# Just return {} if there is no sysinfo
if not DataSource.has_sysinfo():
return {}
# If sysinfo fails return {}
returncode, output = DataSource.sysinfo_cpu()
if output == None or returncode != 0:
return {}
# Various fields
vendor_id = '' #_get_field(False, output, None, None, 'CPU #0: ')
processor_brand = output.split('CPU #0: "')[1].split('"\n')[0]
cache_size = '' #_get_field(False, output, None, None, 'machdep.cpu.cache.size')
signature = output.split('Signature:')[1].split('\n')[0].strip()
#
stepping = int(signature.split('stepping ')[1].split(',')[0].strip())
model = int(signature.split('model ')[1].split(',')[0].strip())
family = int(signature.split('family ')[1].split(',')[0].strip())
# Flags
def get_subsection_flags(output):
retval = []
for line in output.split('\n')[1:]:
if not line.startswith(' '): break
for entry in line.strip().lower().split(' '):
retval.append(entry)
return retval
flags = get_subsection_flags(output.split('Features: ')[1]) + \
get_subsection_flags(output.split('Extended Features (0x00000001): ')[1]) + \
get_subsection_flags(output.split('Extended Features (0x80000001): ')[1])
flags.sort()
# Convert from GHz/MHz string to Hz
scale, hz_advertised = _get_hz_string_from_brand(processor_brand)
hz_actual = hz_advertised
info = {
'vendor_id' : vendor_id,
'brand' : processor_brand,
'hz_advertised' : to_friendly_hz(hz_advertised, scale),
'hz_actual' : to_friendly_hz(hz_actual, scale),
'hz_advertised_raw' : to_raw_hz(hz_advertised, scale),
'hz_actual_raw' : to_raw_hz(hz_actual, scale),
'l2_cache_size' : to_friendly_bytes(cache_size),
'stepping' : stepping,
'model' : model,
'family' : family,
'flags' : flags
}
info = {k: v for k, v in info.items() if v}
return info
except:
return {}
def _get_cpu_info_from_wmic():
'''
Returns the CPU info gathered from WMI.
Returns {} if not on Windows, or wmic is not installed.
'''
try:
# Just return {} if not Windows or there is no wmic
if not DataSource.is_windows or not DataSource.has_wmic():
return {}
returncode, output = DataSource.wmic_cpu()
if output == None or returncode != 0:
return {}
# Break the list into key values pairs
value = output.split("\n")
value = [s.rstrip().split('=') for s in value if '=' in s]
value = {k: v for k, v in value if v}
# Get the advertised MHz
processor_brand = value.get('Name')
scale_advertised, hz_advertised = _get_hz_string_from_brand(processor_brand)
# Get the actual MHz
hz_actual = value.get('CurrentClockSpeed')
scale_actual = 6
if hz_actual:
hz_actual = to_hz_string(hz_actual)
# Get cache sizes
l2_cache_size = value.get('L2CacheSize')
if l2_cache_size:
l2_cache_size = l2_cache_size + ' KB'
l3_cache_size = value.get('L3CacheSize')
if l3_cache_size:
l3_cache_size = l3_cache_size + ' KB'
# Get family, model, and stepping
family, model, stepping = '', '', ''
description = value.get('Description') or value.get('Caption')
entries = description.split(' ')
if 'Family' in entries and entries.index('Family') < len(entries)-1:
i = entries.index('Family')
family = int(entries[i + 1])
if 'Model' in entries and entries.index('Model') < len(entries)-1:
i = entries.index('Model')
model = int(entries[i + 1])
if 'Stepping' in entries and entries.index('Stepping') < len(entries)-1:
i = entries.index('Stepping')
stepping = int(entries[i + 1])
info = {
'vendor_id' : value.get('Manufacturer'),
'brand' : processor_brand,
'hz_advertised' : to_friendly_hz(hz_advertised, scale_advertised),
'hz_actual' : to_friendly_hz(hz_actual, scale_actual),
'hz_advertised_raw' : to_raw_hz(hz_advertised, scale_advertised),
'hz_actual_raw' : to_raw_hz(hz_actual, scale_actual),
'l2_cache_size' : l2_cache_size,
'l3_cache_size' : l3_cache_size,
'stepping' : stepping,
'model' : model,
'family' : family,
}
info = {k: v for k, v in info.items() if v}
return info
except:
#raise # NOTE: To have this throw on error, uncomment this line
return {}
def _get_cpu_info_from_registry():
'''
FIXME: Is missing many of the newer CPU flags like sse3
Returns the CPU info gathered from the Windows Registry.
Returns {} if not on Windows.
'''
try:
# Just return {} if not on Windows
if not DataSource.is_windows:
return {}
# Get the CPU name
processor_brand = DataSource.winreg_processor_brand()
# Get the CPU vendor id
vendor_id = DataSource.winreg_vendor_id()
# Get the CPU arch and bits
raw_arch_string = DataSource.winreg_raw_arch_string()
arch, bits = parse_arch(raw_arch_string)
# Get the actual CPU Hz
hz_actual = DataSource.winreg_hz_actual()
hz_actual = to_hz_string(hz_actual)
# Get the advertised CPU Hz
scale, hz_advertised = _get_hz_string_from_brand(processor_brand)
# Get the CPU features
feature_bits = DataSource.winreg_feature_bits()
def is_set(bit):
mask = 0x80000000 >> bit
retval = mask & feature_bits > 0
return retval
# http://en.wikipedia.org/wiki/CPUID
# http://unix.stackexchange.com/questions/43539/what-do-the-flags-in-proc-cpuinfo-mean
# http://www.lohninger.com/helpcsuite/public_constants_cpuid.htm
flags = {
'fpu' : is_set(0), # Floating Point Unit
'vme' : is_set(1), # V86 Mode Extensions
'de' : is_set(2), # Debug Extensions - I/O breakpoints supported
'pse' : is_set(3), # Page Size Extensions (4 MB pages supported)
'tsc' : is_set(4), # Time Stamp Counter and RDTSC instruction are available
'msr' : is_set(5), # Model Specific Registers
'pae' : is_set(6), # Physical Address Extensions (36 bit address, 2MB pages)
'mce' : is_set(7), # Machine Check Exception supported
'cx8' : is_set(8), # Compare Exchange Eight Byte instruction available
'apic' : is_set(9), # Local APIC present (multiprocessor operation support)
'sepamd' : is_set(10), # Fast system calls (AMD only)
'sep' : is_set(11), # Fast system calls
'mtrr' : is_set(12), # Memory Type Range Registers
'pge' : is_set(13), # Page Global Enable
'mca' : is_set(14), # Machine Check Architecture
'cmov' : is_set(15), # Conditional MOVe instructions
'pat' : is_set(16), # Page Attribute Table
'pse36' : is_set(17), # 36 bit Page Size Extensions
'serial' : is_set(18), # Processor Serial Number
'clflush' : is_set(19), # Cache Flush
#'reserved1' : is_set(20), # reserved
'dts' : is_set(21), # Debug Trace Store
'acpi' : is_set(22), # ACPI support
'mmx' : is_set(23), # MultiMedia Extensions
'fxsr' : is_set(24), # FXSAVE and FXRSTOR instructions
'sse' : is_set(25), # SSE instructions
'sse2' : is_set(26), # SSE2 (WNI) instructions
'ss' : is_set(27), # self snoop
#'reserved2' : is_set(28), # reserved
'tm' : is_set(29), # Automatic clock control
'ia64' : is_set(30), # IA64 instructions
'3dnow' : is_set(31) # 3DNow! instructions available
}
# Get a list of only the flags that are true
flags = [k for k, v in flags.items() if v]
flags.sort()
info = {
'vendor_id' : vendor_id,
'brand' : processor_brand,
'hz_advertised' : to_friendly_hz(hz_advertised, scale),
'hz_actual' : to_friendly_hz(hz_actual, 6),
'hz_advertised_raw' : to_raw_hz(hz_advertised, scale),
'hz_actual_raw' : to_raw_hz(hz_actual, 6),
'flags' : flags
}
info = {k: v for k, v in info.items() if v}
return info
except:
return {}
def _get_cpu_info_from_kstat():
'''
Returns the CPU info gathered from isainfo and kstat.
Returns {} if isainfo or kstat are not found.
'''
try:
# Just return {} if there is no isainfo or kstat
if not DataSource.has_isainfo() or not DataSource.has_kstat():
return {}
# If isainfo fails return {}
returncode, flag_output = DataSource.isainfo_vb()
if flag_output == None or returncode != 0:
return {}
# If kstat fails return {}
returncode, kstat = DataSource.kstat_m_cpu_info()
if kstat == None or returncode != 0:
return {}
# Various fields
vendor_id = kstat.split('\tvendor_id ')[1].split('\n')[0].strip()
processor_brand = kstat.split('\tbrand ')[1].split('\n')[0].strip()
stepping = int(kstat.split('\tstepping ')[1].split('\n')[0].strip())
model = int(kstat.split('\tmodel ')[1].split('\n')[0].strip())
family = int(kstat.split('\tfamily ')[1].split('\n')[0].strip())
# Flags
flags = flag_output.strip().split('\n')[-1].strip().lower().split()
flags.sort()
# Convert from GHz/MHz string to Hz
scale = 6
hz_advertised = kstat.split('\tclock_MHz ')[1].split('\n')[0].strip()
hz_advertised = to_hz_string(hz_advertised)
# Convert from GHz/MHz string to Hz
hz_actual = kstat.split('\tcurrent_clock_Hz ')[1].split('\n')[0].strip()
hz_actual = to_hz_string(hz_actual)
info = {
'vendor_id' : vendor_id,
'brand' : processor_brand,
'hz_advertised' : to_friendly_hz(hz_advertised, scale),
'hz_actual' : to_friendly_hz(hz_actual, 0),
'hz_advertised_raw' : to_raw_hz(hz_advertised, scale),
'hz_actual_raw' : to_raw_hz(hz_actual, 0),
'stepping' : stepping,
'model' : model,
'family' : family,
'flags' : flags
}
info = {k: v for k, v in info.items() if v}
return info
except:
return {}
def CopyNewFields(info, new_info):
keys = [
'vendor_id', 'hardware', 'brand', 'hz_advertised', 'hz_actual',
'hz_advertised_raw', 'hz_actual_raw', 'arch', 'bits', 'count',
'raw_arch_string', 'l2_cache_size', 'l2_cache_line_size',
'l2_cache_associativity', 'stepping', 'model', 'family',
'processor_type', 'extended_model', 'extended_family', 'flags',
'l3_cache_size', 'l1_data_cache_size', 'l1_instruction_cache_size'
]
for key in keys:
if new_info.get(key, None) and not info.get(key, None):
info[key] = new_info[key]
elif key == 'flags' and new_info.get('flags'):
for f in new_info['flags']:
if f not in info['flags']: info['flags'].append(f)
info['flags'].sort()
def get_cpu_info():
'''
Returns the CPU info by using the best sources of information for your OS.
Returns {} if nothing is found.
'''
# Get the CPU arch and bits
arch, bits = parse_arch(DataSource.raw_arch_string)
friendly_maxsize = { 2**31-1: '32 bit', 2**63-1: '64 bit' }.get(sys.maxsize) or 'unknown bits'
friendly_version = "{0}.{1}.{2}.{3}.{4}".format(*sys.version_info)
PYTHON_VERSION = "{0} ({1})".format(friendly_version, friendly_maxsize)
info = {
'python_version' : PYTHON_VERSION,
'cpuinfo_version' : CPUINFO_VERSION,
'arch' : arch,
'bits' : bits,
'count' : DataSource.cpu_count,
'raw_arch_string' : DataSource.raw_arch_string,
}
# Try the Windows wmic
CopyNewFields(info, _get_cpu_info_from_wmic())
# Try the Windows registry
CopyNewFields(info, _get_cpu_info_from_registry())
# Try /proc/cpuinfo
CopyNewFields(info, _get_cpu_info_from_proc_cpuinfo())
# Try cpufreq-info
CopyNewFields(info, _get_cpu_info_from_cpufreq_info())
# Try LSCPU
CopyNewFields(info, _get_cpu_info_from_lscpu())
# Try sysctl
CopyNewFields(info, _get_cpu_info_from_sysctl())
# Try kstat
CopyNewFields(info, _get_cpu_info_from_kstat())
# Try dmesg
CopyNewFields(info, _get_cpu_info_from_dmesg())
# Try /var/run/dmesg.boot
CopyNewFields(info, _get_cpu_info_from_cat_var_run_dmesg_boot())
# Try lsprop ibm,pa-features
CopyNewFields(info, _get_cpu_info_from_ibm_pa_features())
# Try sysinfo
CopyNewFields(info, _get_cpu_info_from_sysinfo())
# Try querying the CPU cpuid register
CopyNewFields(info, _get_cpu_info_from_cpuid())
return info
# Make sure we are running on a supported system
def _check_arch():
arch, bits = parse_arch(DataSource.raw_arch_string)
if not arch in ['X86_32', 'X86_64', 'ARM_7', 'ARM_8', 'PPC_64']:
raise Exception("py-cpuinfo currently only works on X86 and some PPC and ARM CPUs.")
def main():
try:
_check_arch()
except Exception as err:
sys.stderr.write(str(err) + "\n")
sys.exit(1)
info = get_cpu_info()
if info:
print('Python Version: {0}'.format(info.get('python_version', '')))
print('Cpuinfo Version: {0}'.format(info.get('cpuinfo_version', '')))
print('Vendor ID: {0}'.format(info.get('vendor_id', '')))
print('Hardware Raw: {0}'.format(info.get('hardware', '')))
print('Brand: {0}'.format(info.get('brand', '')))
print('Hz Advertised: {0}'.format(info.get('hz_advertised', '')))
print('Hz Actual: {0}'.format(info.get('hz_actual', '')))
print('Hz Advertised Raw: {0}'.format(info.get('hz_advertised_raw', '')))
print('Hz Actual Raw: {0}'.format(info.get('hz_actual_raw', '')))
print('Arch: {0}'.format(info.get('arch', '')))
print('Bits: {0}'.format(info.get('bits', '')))
print('Count: {0}'.format(info.get('count', '')))
print('Raw Arch String: {0}'.format(info.get('raw_arch_string', '')))
print('L1 Data Cache Size: {0}'.format(info.get('l1_data_cache_size', '')))
print('L1 Instruction Cache Size: {0}'.format(info.get('l1_instruction_cache_size', '')))
print('L2 Cache Size: {0}'.format(info.get('l2_cache_size', '')))
print('L2 Cache Line Size: {0}'.format(info.get('l2_cache_line_size', '')))
print('L2 Cache Associativity: {0}'.format(info.get('l2_cache_associativity', '')))
print('L3 Cache Size: {0}'.format(info.get('l3_cache_size', '')))
print('Stepping: {0}'.format(info.get('stepping', '')))
print('Model: {0}'.format(info.get('model', '')))
print('Family: {0}'.format(info.get('family', '')))
print('Processor Type: {0}'.format(info.get('processor_type', '')))
print('Extended Model: {0}'.format(info.get('extended_model', '')))
print('Extended Family: {0}'.format(info.get('extended_family', '')))
print('Flags: {0}'.format(', '.join(info.get('flags', '')).upper()))
else:
sys.stderr.write("Failed to find cpu info\n")
sys.exit(1)
from multiprocessing import freeze_support
freeze_support()
main()
Raw
cpuinfo_old.py
#!/usr/bin/env python
#*****************NOTE*************
# It appears much better fleshed out function can be found here:
# https://github.com/workhorsy/py-cpuinfo
#Forked from https://github.com/pydata/numexpr/blob/master/numexpr/cpuinfo.py
"""
cpuinfo
Copyright 2002 Pearu Peterson all rights reserved,
Pearu Peterson <[email protected]>
Permission to use, modify, and distribute this software is given under the
terms of the NumPy (BSD style) license.
Copyright statement for `cpuinfo` module.
Copyright 2002 Pearu Peterson all rights reserved,
Pearu Peterson <[email protected]>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of Pearu Peterson nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
HIS SOFTWARE IS PROVIDED BY PEARU PETERSON ''AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL PEARU PETERSON BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
NO WARRANTY IS EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
Pearu Peterson
"""
__all__ = ['cpu']
import sys, re, types
import os
import subprocess
import warnings
import platform
def getoutput(cmd, successful_status=(0,), stacklevel=1):
try:
p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
output, _ = p.communicate()
output = output.decode('ascii') # Make sure to decode
status = p.returncode
except EnvironmentError as e:
warnings.warn(str(e), UserWarning, stacklevel=stacklevel)
return False, ''
if os.WIFEXITED(status) and os.WEXITSTATUS(status) in successful_status:
return True, output
return False, output
def info_from_commands(successful_status=(0,), stacklevel=1, **kw):
info = {}
for key in kw:
ok, output = getoutput(kw[key], successful_status=successful_status,
stacklevel=stacklevel + 1)
if ok:
info[key] = output.strip()
else:
info[key] = '' # So the output is something.
return info
def command_by_line(cmd, successful_status=(0,), stacklevel=1):
ok, output = getoutput(cmd, successful_status=successful_status,
stacklevel=stacklevel + 1)
if not ok:
return
for line in output.splitlines():
yield line.strip()
def key_value_from_command(cmd, sep, successful_status=(0,),
stacklevel=1):
d = {}
for line in command_by_line(cmd, successful_status=successful_status,
stacklevel=stacklevel + 1):
l = [s.strip() for s in line.split(sep, 1)]
if len(l) == 2:
d[l[0]] = l[1]
return d
class BaseCPUInfo(object):
"""Holds CPU information and provides methods for acquiring
the availability of various CPU features.
"""
def _try_call(self, func):
try:
return func()
except:
pass
def __getattr__(self, name):
if not name.startswith('_'):
if hasattr(self, '_' + name):
attr = getattr(self, '_' + name)
if callable(attr):
return lambda func=self._try_call, attr=attr: func(attr)
else:
return lambda: None
raise AttributeError(name)
def getNCPUs(self):
return 1
def __get_nbits(self):
abits = platform.architecture()[0]
try:
nbits = re.compile('(\d+)bit').search(abits).group(1)
except AttributeError:
return None
return nbits
def is_32bit(self):
return self.__get_nbits() == '32'
def is_64bit(self):
return self.__get_nbits() == '64'
class LinuxCPUInfo(BaseCPUInfo):
_info = None
def __init__(self):
if self._info is not None:
return
info = [{}]
## ok, output = getoutput(['uname', '-m'])
## if ok:
## info[0]['uname_m'] = output.strip()
try:
fo = open('/proc/cpuinfo')
except EnvironmentError as e:
warnings.warn(str(e), UserWarning)
else:
for line in fo:
name_value = [s.strip() for s in line.split(':', 1)]
if len(name_value) != 2:
continue
name, value = name_value
if not info or name in info[-1]: # next processor
info.append({})
info[-1][name] = value
fo.close()
self.__class__._info = info
# Athlon
def is_AMD(self):return self._info[0].get('vendor_id', '') == 'AuthenticAMD'
def is_AthlonK6_2(self):return self.is_AMD() and self._info[0].get('model', '') == '2'
def is_AthlonK6_3(self):return self.is_AMD() and self._info[0].get('model', '') == '3'
def is_AthlonK6(self):return 'AMD-K6' in self._info[0].get('model name', '')
def is_AthlonK7(self):return 'AMD-K7' in self._info[0].get('model name', '')
def is_AthlonMP(self):return bool(re.search(r'Athlon\(tm\) MP\b', self._info[0].get('model name', '')))
def is_AMD64(self):return self.is_AMD() and self._info[0].get('family', '') == '15'
def is_Athlon64(self):return bool(re.search(r'Athlon\(tm\) 64\b',self._info[0].get('model name', '')))
def is_AthlonHX(self):return bool(re.search(r'Athlon HX\b',self._info[0].get('model name', '')))
def is_Opteron(self):return bool(re.search(r'Opteron\b', self._info[0].get('model name', '')))
def is_Hammer(self):return bool(re.search(r'Hammer\b', self._info[0].get('model name', '')))
# Alpha
def is_Alpha(self):return self._info[0].get('cpu', '') == 'Alpha'
def is_EV4(self):return self.is_Alpha() and self._info[0].get('cpu model', '') == 'EV4'
def is_EV5(self):return self.is_Alpha() and self._info[0].get('cpu model', '') == 'EV5'
def is_EV56(self):return self.is_Alpha() and self._info[0].get('cpu model', '') == 'EV56'
def is_PCA56(self):return self.is_Alpha() and self._info[0].get('cpu model', '') == 'PCA56'
# Intel
def is_i386(self):pass#raise NotImplementedError("i386 on linux not implemented")
def is_Intel(self):return self._info[0].get('vendor_id', '') == 'GenuineIntel'
def is_i486(self):return self._info[0].get('cpu', '') == 'i486'
def is_i586(self):return self.is_Intel() and self._info[0].get('cpu family', '') == '5'
def is_i686(self):return self.is_Intel() and self._info[0].get('cpu family', '') == '6'
def is_Celeron(self):return 'Celeron' in self._info[0].get('model name', '')
def is_Pentium(self):return 'Pentium' in self._info[0].get('model name', '')
def is_PentiumII(self):return bool(re.search(r'Pentium.*?II\b', self._info[0].get('model name', '')))
def is_PentiumPro(self):return bool(re.search(r'PentiumPro\b', self._info[0].get('model name', '')))
def is_PentiumMMX(self):return bool(re.search(r'Pentium.*?MMX\b', self._info[0].get('model name', '')))
def is_PentiumIII(self):return bool(re.search(r'Pentium.*?III\b', self._info[0].get('model name', '')))
def is_PentiumIV(self):return bool(re.search(r'Pentium.*?(IV|4)\b', self._info[0].get('model name', '')))
def is_PentiumM(self):return bool(re.search(r'Pentium.*?M\b', self._info[0].get('model name', '')))
def is_Prescott(self):return self.is_PentiumIV() and self.has_sse3()
def is_Nocona(self):
return (self.is_Intel() and
self._info[0].get('cpu family', '') in ('6', '15') and
# two s sse3; three s ssse3 not the same thing, this is fine
(self.has_sse3() and not self.has_ssse3()) and
bool(re.search(r'\blm\b', self._info[0].get('flags', ''))))
def is_Core2(self):
return (self.is_64bit() and self.is_Intel() and
bool(re.search(r'Core\(TM\)2\b', self._info[0].get('model name', ''))))
def is_Itanium(self):return bool(re.search(r'Itanium\b', self._info[0].get('family', '')))
def is_Xeon(self):return bool(re.search(r'XEON\b', self._info[0].get('model name', ''), re.I))
# Power
def is_Power(self):return 'POWER' in self._info[0].get('cpu', '')
def is_Power7(self):return 'POWER7' in self._info[0].get('cpu', '')
def is_Power8(self):return 'POWER8' in self._info[0].get('cpu', '')
def is_Power9(self):return 'POWER9' in self._info[0].get('cpu', '')
def has_Altivec(self):return 'altivec supported' in self._info[0].get('cpu', '')
# Varia
def is_singleCPU(self):return len(self._info) == 1
def getNCPUs(self):return len(self._info)
def has_fdiv_bug(self):return self._info[0].get('fdiv_bug', '') == 'yes'
def has_f00f_bug(self):return self._info[0].get('f00f_bug', '') == 'yes'
def has_mmx(self):return bool(re.search(r'\bmmx\b', self._info[0].get('flags', '')))
def has_sse(self):return bool(re.search(r'\bsse\b', self._info[0].get('flags', '')))
def has_sse2(self):return bool(re.search(r'\bsse2\b', self._info[0].get('flags', '')))
def has_sse3(self):return bool(re.search(r'\bpni\b', self._info[0].get('flags', '')))
def has_ssse3(self):return bool(re.search(r'\bssse3\b', self._info[0].get('flags', '')))
def has_3dnow(self):return bool(re.search(r'\b3dnow\b', self._info[0].get('flags', '')))
def has_3dnowext(self):return bool(re.search(r'\b3dnowext\b', self._info[0].get('flags', '')))
class IRIXCPUInfo(BaseCPUInfo):
_info = None
def __init__(self):
if self._info is not None:
return
info = key_value_from_command('sysconf', sep=' ',
successful_status=(0, 1))
self.__class__._info = info
def is_singleCPU(self):
return self._info.get('NUM_PROCESSORS') == '1'
def getNCPUs(self):
return int(self._info.get('NUM_PROCESSORS', 1))
def _cputype(self, n):
return self._info.get('PROCESSORS').split()[0].lower() == 'r%s' % n
def is_r2000(self):return self._cputype('2000')
def is_r3000(self):return self._cputype('3000')
def is_r3900(self):return self._cputype('3900')
def is_r4000(self):return self._cputype('4000')
def is_r4100(self):return self._cputype('4100')
def is_r4300(self):return self._cputype('4300')
def is_r4400(self):return self._cputype('4400')
def is_r4600(self):return self._cputype('4600')
def is_r4650(self):return self._cputype('4650')
def is_r5000(self):return self._cputype('5000')
def is_r6000(self):return self._cputype('6000')
def is_r8000(self):return self._cputype('8000')
def is_r10000(self):return self._cputype('10000')
def is_r12000(self):return self._cputype('12000')
def is_rorion(self):return self._cputype('orion')
def get_ip(self):
return self._info.get('MACHINE', None)
def _machine_type(self, n):
return self._info.get('MACHINE').lower() == 'ip%s' % n
def is_IP19(self):return self._machine_type('19')
def is_IP20(self):return self._machine_type('20')
def is_IP21(self):return self._machine_type('21')
def is_IP22(self):return self._machine_type('22')
def is_IP22_4k(self):return self._machine_type('22') and self.is_r4000()
def is_IP22_5k(self):return self._machine_type('22') and self.is_r5000()
def is_IP24(self):return self._machine_type('24')
def is_IP25(self):return self._machine_type('25')
def is_IP26(self):return self._machine_type('26')
def is_IP27(self):return self._machine_type('27')
def is_IP28(self):return self._machine_type('28')
def is_IP30(self):return self._machine_type('30')
def is_IP32(self):return self._machine_type('32')
def is_IP32_5k(self):return self._machine_type('32') and self.is_r5000()
def is_IP32_10k(self):return self._machine_type('32') and self.is_r10000()
class DarwinCPUInfo(BaseCPUInfo):
_info = None
def __init__(self):
if self._info is not None:
return
info = info_from_commands(arch='arch', machine='machine')
info['sysctl_hw'] = key_value_from_command(['sysctl', '-e', 'hw'], sep='=')
self.__class__._info = info
def getNCPUs(self):
return int(self._info['sysctl_hw'].get('hw.ncpu', 1))
def is_Power_Macintosh(self):
return self._info['sysctl_hw'].get('hw.machine', '') == 'Power Macintosh'
def is_i386(self):
return self._info['arch'] == 'i386'
def is_ppc(self):
return self._info['arch'] == 'ppc'
def _machine_type(self, n):
return self._info['machine'] == 'ppc%s' % n
def is_ppc601(self):return self._machine_type('601')
def is_ppc602(self):return self._machine_type('602')
def is_ppc603(self):return self._machine_type('603')
def is_ppc603e(self):return self._machine_type('603e')
def is_ppc604(self):return self._machine_type('604')
def is_ppc604e(self):return self._machine_type('604e')
def is_ppc620(self):return self._machine_type('620')
def is_ppc630(self):return self._machine_type('630')
def is_ppc740(self):return self._machine_type('740')
def is_ppc7400(self):return self._machine_type('7400')
def is_ppc7450(self):return self._machine_type('7450')
def is_ppc750(self):return self._machine_type('750')
def is_ppc403(self):return self._machine_type('403')
def is_ppc505(self):return self._machine_type('505')
def is_ppc801(self):return self._machine_type('801')
def is_ppc821(self):return self._machine_type('821')
def is_ppc823(self):return self._machine_type('823')
def is_ppc860(self):return self._machine_type('860')
class NetBSDCPUInfo(BaseCPUInfo):
_info = None
def __init__(self):
if self._info is not None:
return
info = {}
info['sysctl_hw'] = key_value_from_command(['sysctl', 'hw'], sep='=')
info['arch'] = info['sysctl_hw'].get('hw.machine_arch', 1)
info['machine'] = info['sysctl_hw'].get('hw.machine', 1)
self.__class__._info = info
def getNCPUs(self):return int(self._info['sysctl_hw'].get('hw.ncpu', 1))
def is_Intel(self):return self._info['sysctl_hw'].get('hw.model', '').startswith('Intel')
def is_AMD(self):return self._info['sysctl_hw'].get('hw.model', '').startswith('AMD')
class SunOSCPUInfo(BaseCPUInfo):
_info = None
def __init__(self):
if self._info is not None:
return
info = info_from_commands(arch='arch',
mach='mach',
uname_i=['uname', '-i'],
isainfo_b=['isainfo', '-b'],
isainfo_n=['isainfo', '-n'])
info['uname_X'] = key_value_from_command(['uname', '-X'], sep='=')
for line in command_by_line(['psrinfo', '-v', '0']):
m = re.match(r'\s*The ([\w\d]+) processor operates at', line)
if m:
info['processor'] = m.group(1)
break
else:
# Did not break, no processor set, set blank.
info['processor'] = ''
self.__class__._info = info
def is_i386(self):return self._info['isainfo_n'] == 'i386'
def is_sparc(self):return self._info['isainfo_n'] == 'sparc'
def is_sparcv9(self):return self._info['isainfo_n'] == 'sparcv9'
def getNCPUs(self):return int(self._info['uname_X'].get('NumCPU', 1))
def is_sun4(self):return self._info['arch'] == 'sun4'
def is_SUNW(self):return bool(self._info['uname_i'].startswith('SUNW'))
def is_sparcstation5(self):return 'SPARCstation-5' in self._info['uname_i']
def is_ultra1(self):return 'Ultra-1' in self._info['uname_i']
def is_ultra250(self):return 'Ultra-250' in self._info['uname_i']
def is_ultra2(self):return 'Ultra-2' in self._info['uname_i']
def is_ultra30(self):return 'Ultra-30' in self._info['uname_i']
def is_ultra4(self):return 'Ultra-4' in self._info['uname_i']
def is_ultra5_10(self):return 'Ultra-5_10' in self._info['uname_i']
def is_ultra5(self):return 'Ultra-5' in self._info['uname_i']
def is_ultra60(self):return 'Ultra-60' in self._info['uname_i']
def is_ultra80(self):return 'Ultra-80' in self._info['uname_i']
def is_ultraenterprice(self):return 'Ultra-Enterprise' in self._info['uname_i']
def is_ultraenterprice10k(self):return 'Ultra-Enterprise-10000' in self._info['uname_i']
def is_sunfire(self):return 'Sun-Fire' in self._info['uname_i']
def is_ultra(self):return 'Ultra' in self._info['uname_i']
def is_cpusparcv7(self):return self._info['processor'] == 'sparcv7'
def is_cpusparcv8(self):return self._info['processor'] == 'sparcv8'
def is_cpusparcv9(self):return self._info['processor'] == 'sparcv9'
class Win32CPUInfo(BaseCPUInfo):
_info = None
pkey = r'HARDWARE\DESCRIPTION\System\CentralProcessor'
# XXX: what does the value of
# HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0
# mean?
def __init__(self):
if self._info is not None:
return
try:
import _winreg
except ImportError: # Python 3
try:
import winreg as _winreg
except ImportError:
# Neither _winreg or winreg, can't determine
_winreg = None
info = []
try:
#XXX: Bad style to use so long `try:...except:...`. Fix it!
prgx = re.compile(r'family\s+(?P<FML>\d+)\s+model\s+(?P<MDL>\d+)'
r'\s+stepping\s+(?P<STP>\d+)', re.I)
chnd = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, self.pkey)
pnum = 0
while 1:
try:
proc = _winreg.EnumKey(chnd, pnum)
except _winreg.error:
break
else:
pnum += 1
info.append({'Processor': proc})
phnd = _winreg.OpenKey(chnd, proc)
pidx = 0
while True:
try:
name, value, vtpe = _winreg.EnumValue(phnd, pidx)
except _winreg.error:
break
else:
pidx = pidx + 1
info[-1][name] = value
if name == 'Identifier':
srch = prgx.search(value)
if srch:
info[-1]['Family'] = int(srch.group('FML'))
info[-1]['Model'] = int(srch.group('MDL'))
info[-1]['Stepping'] = int(srch.group('STP'))
except:
print(sys.exc_info()[1], '(ignoring)')
# Make sure info has at least 1 element.
if not info:
info.append({'Processor': ''})
self.__class__._info = info
# Athlon
def is_AMD(self):return self._info[0].get('VendorIdentifier', '') == 'AuthenticAMD'
def is_Am486(self):return self.is_AMD() and self._info[0].get('Family') == 4
def is_Am5x86(self):return self.is_AMD() and self._info[0].get('Family') == 4
def is_AMDK5(self):
return (self.is_AMD() and self._info[0].get('Family') == 5 and
self._info[0].get('Model') in [0, 1, 2, 3])
def is_AMDK6(self):
return (self.is_AMD() and self._info[0].get('Family') == 5 and
self._info[0].get('Model') in [6, 7])
def is_AMDK6_2(self):
return (self.is_AMD() and self._info[0].get('Family') == 5 and
self._info[0].get('Model') == 8)
def is_AMDK6_3(self):
return (self.is_AMD() and self._info[0].get('Family') == 5 and
self._info[0].get('Model') == 9)
def is_AMDK7(self):
return self.is_AMD() and self._info[0].get('Family') == 6
# To reliably distinguish between the different types of AMD64 chips
# (Athlon64, Operton, Athlon64 X2, Semperon, Turion 64, etc.) would
# require looking at the 'brand' from cpuid
def is_AMD64(self):
return self.is_AMD() and self._info[0].get('Family') == 15
# Intel
def is_Intel(self):
return self._info[0]['VendorIdentifier'] == 'GenuineIntel'
def is_i386(self):return self._info[0].get('Family') == 3
def is_i486(self):return self._info[0].get('Family') == 4
def is_i586(self):return self.is_Intel() and self._info[0].get('Family') == 5
def is_i686(self):return self.is_Intel() and self._info[0].get('Family') == 6
def is_Pentium(self):return self.is_Intel() and self._info[0].get('Family') == 5
def is_PentiumMMX(self):
return (self.is_Intel() and self._info[0].get('Family') == 5 and
self._info[0].get('Model') == 4)
def is_PentiumPro(self):
return (self.is_Intel() and self._info[0].get('Family') == 6 and
self._info[0].get('Model') == 1)
def is_PentiumII(self):
return (self.is_Intel() and self._info[0].get('Family') == 6 and
self._info[0].get('Model') in [3, 5, 6])
def is_PentiumIII(self):
return (self.is_Intel() and self._info[0].get('Family') == 6 and
self._info[0].get('Model') in [7, 8, 9, 10, 11])
def is_PentiumIV(self):return self.is_Intel() and self._info[0].get('Family') == 15
def is_PentiumM(self):
return (self.is_Intel() and self._info[0].get('Family') == 6 and
self._info[0].get('Model') in [9, 13, 14])
def is_Core2(self):
return (self.is_Intel() and self._info[0].get('Family') == 6 and
self._info[0].get('Model') in [15, 16, 17])
# Varia
def is_singleCPU(self):return len(self._info) == 1
def getNCPUs(self):return len(self._info)
def has_mmx(self):
if self.is_Intel():
return ((self._info[0].get('Family') == 5 and
self._info[0].get('Model') == 4) or
(self._info[0].get('Family') in [6, 15]))
elif self.is_AMD():
return self._info[0].get('Family') in [5, 6, 15]
else:
return False
def has_sse(self):
if self.is_Intel():
return ((self._info[0].get('Family') == 6 and
self._info[0].get('Model') in [7, 8, 9, 10, 11]) or
self._info[0].get('Family') == 15)
elif self.is_AMD():
return ((self._info[0].get('Family') == 6 and
self._info[0].get('Model') in [6, 7, 8, 10]) or
self._info[0].get('Family') == 15)
else:
return False
def has_sse2(self):
if self.is_Intel():
return self.is_Pentium4() or self.is_PentiumM() or self.is_Core2()
elif self.is_AMD():
return self.is_AMD64()
else:
return False
def has_3dnow(self):
return self.is_AMD() and self._info[0].get('Family') in [5, 6, 15]
def has_3dnowext(self):
return self.is_AMD() and self._info[0].get('Family') in [6, 15]
# variations: linux2,linux-i386 (any others?)
if sys.platform.startswith('linux'):cpuinfo = LinuxCPUInfo
elif sys.platform.startswith('irix'):cpuinfo = IRIXCPUInfo
elif sys.platform == 'darwin':cpuinfo = DarwinCPUInfo
elif sys.platform.startswith('netbsd'):cpuinfo = NetBSDCPUInfo
elif sys.platform.startswith('sunos'):cpuinfo = SunOSCPUInfo
elif sys.platform.startswith('win32'):cpuinfo = Win32CPUInfo
elif sys.platform.startswith('cygwin'):cpuinfo = LinuxCPUInfo
#XXX: other OS's. Eg. use _winreg on Win32. Or os.uname on unices.
else:cpuinfo = BaseCPUInfo
cpu = cpuinfo()
cpu.is_blaa()
cpu.is_Intel()
cpu.is_Alpha()
info = []
for name in dir(cpuinfo):
if name[0] == '_' and name[1] != '_':
func = getattr(cpu, name[1:], lambda: None)
if callable(func):
r = func()
if r and r != 1:info.append('%s=%s' % (name[1:], r))
elif r:info.append(name[1:])
# For *normal* ish funcitons.
if name[0] != '_':
func = getattr(cpu, name)
if callable(func):
r = func()
if r and r != 1:info.append('%s=%s' % (name, r))
elif r:info.append(name)
print('CPU information: ' + ' '.join(info))
@TheMatt2
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Removed the networking and made arguments. Instead of being meant to be put into a file, this is meant to be copy/pasted into an interpreter and to quickly give answers.

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