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683 lines
22 KiB
683 lines
22 KiB
#!/usr/bin/env python3
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"""
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cpuinfo
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Copyright 2002 Pearu Peterson all rights reserved,
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Pearu Peterson <pearu@cens.ioc.ee>
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Permission to use, modify, and distribute this software is given under the
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terms of the NumPy (BSD style) license. See LICENSE.txt that came with
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this distribution for specifics.
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NO WARRANTY IS EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
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Pearu Peterson
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"""
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__all__ = ['cpu']
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import os
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import platform
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import re
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import sys
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import types
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import warnings
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from subprocess import getstatusoutput
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def getoutput(cmd, successful_status=(0,), stacklevel=1):
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try:
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status, output = getstatusoutput(cmd)
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except OSError as e:
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warnings.warn(str(e), UserWarning, stacklevel=stacklevel)
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return False, ""
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if os.WIFEXITED(status) and os.WEXITSTATUS(status) in successful_status:
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return True, output
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return False, output
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def command_info(successful_status=(0,), stacklevel=1, **kw):
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info = {}
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for key in kw:
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ok, output = getoutput(kw[key], successful_status=successful_status,
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stacklevel=stacklevel+1)
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if ok:
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info[key] = output.strip()
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return info
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def command_by_line(cmd, successful_status=(0,), stacklevel=1):
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ok, output = getoutput(cmd, successful_status=successful_status,
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stacklevel=stacklevel+1)
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if not ok:
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return
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for line in output.splitlines():
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yield line.strip()
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def key_value_from_command(cmd, sep, successful_status=(0,),
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stacklevel=1):
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d = {}
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for line in command_by_line(cmd, successful_status=successful_status,
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stacklevel=stacklevel+1):
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l = [s.strip() for s in line.split(sep, 1)]
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if len(l) == 2:
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d[l[0]] = l[1]
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return d
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class CPUInfoBase:
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"""Holds CPU information and provides methods for requiring
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the availability of various CPU features.
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"""
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def _try_call(self, func):
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try:
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return func()
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except Exception:
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pass
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def __getattr__(self, name):
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if not name.startswith('_'):
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if hasattr(self, '_'+name):
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attr = getattr(self, '_'+name)
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if isinstance(attr, types.MethodType):
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return lambda func=self._try_call,attr=attr : func(attr)
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else:
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return lambda : None
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raise AttributeError(name)
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def _getNCPUs(self):
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return 1
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def __get_nbits(self):
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abits = platform.architecture()[0]
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nbits = re.compile(r'(\d+)bit').search(abits).group(1)
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return nbits
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def _is_32bit(self):
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return self.__get_nbits() == '32'
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def _is_64bit(self):
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return self.__get_nbits() == '64'
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class LinuxCPUInfo(CPUInfoBase):
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info = None
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def __init__(self):
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if self.info is not None:
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return
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info = [ {} ]
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ok, output = getoutput('uname -m')
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if ok:
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info[0]['uname_m'] = output.strip()
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try:
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fo = open('/proc/cpuinfo')
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except OSError as e:
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warnings.warn(str(e), UserWarning, stacklevel=2)
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else:
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for line in fo:
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name_value = [s.strip() for s in line.split(':', 1)]
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if len(name_value) != 2:
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continue
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name, value = name_value
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if not info or name in info[-1]: # next processor
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info.append({})
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info[-1][name] = value
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fo.close()
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self.__class__.info = info
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def _not_impl(self): pass
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# Athlon
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def _is_AMD(self):
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return self.info[0]['vendor_id']=='AuthenticAMD'
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def _is_AthlonK6_2(self):
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return self._is_AMD() and self.info[0]['model'] == '2'
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def _is_AthlonK6_3(self):
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return self._is_AMD() and self.info[0]['model'] == '3'
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def _is_AthlonK6(self):
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return re.match(r'.*?AMD-K6', self.info[0]['model name']) is not None
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def _is_AthlonK7(self):
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return re.match(r'.*?AMD-K7', self.info[0]['model name']) is not None
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def _is_AthlonMP(self):
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return re.match(r'.*?Athlon\(tm\) MP\b',
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self.info[0]['model name']) is not None
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def _is_AMD64(self):
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return self.is_AMD() and self.info[0]['family'] == '15'
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def _is_Athlon64(self):
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return re.match(r'.*?Athlon\(tm\) 64\b',
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self.info[0]['model name']) is not None
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def _is_AthlonHX(self):
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return re.match(r'.*?Athlon HX\b',
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self.info[0]['model name']) is not None
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def _is_Opteron(self):
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return re.match(r'.*?Opteron\b',
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self.info[0]['model name']) is not None
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def _is_Hammer(self):
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return re.match(r'.*?Hammer\b',
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self.info[0]['model name']) is not None
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# Alpha
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def _is_Alpha(self):
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return self.info[0]['cpu']=='Alpha'
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def _is_EV4(self):
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return self.is_Alpha() and self.info[0]['cpu model'] == 'EV4'
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def _is_EV5(self):
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return self.is_Alpha() and self.info[0]['cpu model'] == 'EV5'
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def _is_EV56(self):
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return self.is_Alpha() and self.info[0]['cpu model'] == 'EV56'
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def _is_PCA56(self):
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return self.is_Alpha() and self.info[0]['cpu model'] == 'PCA56'
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# Intel
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#XXX
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_is_i386 = _not_impl
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def _is_Intel(self):
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return self.info[0]['vendor_id']=='GenuineIntel'
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def _is_i486(self):
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return self.info[0]['cpu']=='i486'
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def _is_i586(self):
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return self.is_Intel() and self.info[0]['cpu family'] == '5'
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def _is_i686(self):
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return self.is_Intel() and self.info[0]['cpu family'] == '6'
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def _is_Celeron(self):
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return re.match(r'.*?Celeron',
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self.info[0]['model name']) is not None
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def _is_Pentium(self):
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return re.match(r'.*?Pentium',
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self.info[0]['model name']) is not None
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def _is_PentiumII(self):
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return re.match(r'.*?Pentium.*?II\b',
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self.info[0]['model name']) is not None
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def _is_PentiumPro(self):
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return re.match(r'.*?PentiumPro\b',
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self.info[0]['model name']) is not None
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def _is_PentiumMMX(self):
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return re.match(r'.*?Pentium.*?MMX\b',
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self.info[0]['model name']) is not None
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def _is_PentiumIII(self):
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return re.match(r'.*?Pentium.*?III\b',
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self.info[0]['model name']) is not None
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def _is_PentiumIV(self):
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return re.match(r'.*?Pentium.*?(IV|4)\b',
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self.info[0]['model name']) is not None
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def _is_PentiumM(self):
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return re.match(r'.*?Pentium.*?M\b',
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self.info[0]['model name']) is not None
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def _is_Prescott(self):
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return self.is_PentiumIV() and self.has_sse3()
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def _is_Nocona(self):
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return (self.is_Intel()
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and (self.info[0]['cpu family'] == '6'
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or self.info[0]['cpu family'] == '15')
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and (self.has_sse3() and not self.has_ssse3())
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and re.match(r'.*?\blm\b', self.info[0]['flags']) is not None)
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def _is_Core2(self):
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return (self.is_64bit() and self.is_Intel() and
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re.match(r'.*?Core\(TM\)2\b',
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self.info[0]['model name']) is not None)
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def _is_Itanium(self):
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return re.match(r'.*?Itanium\b',
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self.info[0]['family']) is not None
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def _is_XEON(self):
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return re.match(r'.*?XEON\b',
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self.info[0]['model name'], re.IGNORECASE) is not None
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_is_Xeon = _is_XEON
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# Varia
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def _is_singleCPU(self):
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return len(self.info) == 1
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def _getNCPUs(self):
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return len(self.info)
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def _has_fdiv_bug(self):
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return self.info[0]['fdiv_bug']=='yes'
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def _has_f00f_bug(self):
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return self.info[0]['f00f_bug']=='yes'
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def _has_mmx(self):
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return re.match(r'.*?\bmmx\b', self.info[0]['flags']) is not None
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def _has_sse(self):
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return re.match(r'.*?\bsse\b', self.info[0]['flags']) is not None
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def _has_sse2(self):
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return re.match(r'.*?\bsse2\b', self.info[0]['flags']) is not None
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def _has_sse3(self):
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return re.match(r'.*?\bpni\b', self.info[0]['flags']) is not None
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def _has_ssse3(self):
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return re.match(r'.*?\bssse3\b', self.info[0]['flags']) is not None
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def _has_3dnow(self):
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return re.match(r'.*?\b3dnow\b', self.info[0]['flags']) is not None
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def _has_3dnowext(self):
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return re.match(r'.*?\b3dnowext\b', self.info[0]['flags']) is not None
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class IRIXCPUInfo(CPUInfoBase):
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info = None
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def __init__(self):
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if self.info is not None:
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return
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info = key_value_from_command('sysconf', sep=' ',
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successful_status=(0, 1))
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self.__class__.info = info
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def _not_impl(self): pass
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def _is_singleCPU(self):
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return self.info.get('NUM_PROCESSORS') == '1'
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def _getNCPUs(self):
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return int(self.info.get('NUM_PROCESSORS', 1))
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def __cputype(self, n):
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return self.info.get('PROCESSORS').split()[0].lower() == 'r%s' % (n)
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def _is_r2000(self): return self.__cputype(2000)
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def _is_r3000(self): return self.__cputype(3000)
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def _is_r3900(self): return self.__cputype(3900)
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def _is_r4000(self): return self.__cputype(4000)
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def _is_r4100(self): return self.__cputype(4100)
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def _is_r4300(self): return self.__cputype(4300)
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def _is_r4400(self): return self.__cputype(4400)
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def _is_r4600(self): return self.__cputype(4600)
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def _is_r4650(self): return self.__cputype(4650)
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def _is_r5000(self): return self.__cputype(5000)
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def _is_r6000(self): return self.__cputype(6000)
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def _is_r8000(self): return self.__cputype(8000)
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def _is_r10000(self): return self.__cputype(10000)
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def _is_r12000(self): return self.__cputype(12000)
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def _is_rorion(self): return self.__cputype('orion')
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def get_ip(self):
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try: return self.info.get('MACHINE')
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except Exception: pass
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def __machine(self, n):
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return self.info.get('MACHINE').lower() == 'ip%s' % (n)
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def _is_IP19(self): return self.__machine(19)
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def _is_IP20(self): return self.__machine(20)
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def _is_IP21(self): return self.__machine(21)
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def _is_IP22(self): return self.__machine(22)
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def _is_IP22_4k(self): return self.__machine(22) and self._is_r4000()
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def _is_IP22_5k(self): return self.__machine(22) and self._is_r5000()
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def _is_IP24(self): return self.__machine(24)
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def _is_IP25(self): return self.__machine(25)
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def _is_IP26(self): return self.__machine(26)
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def _is_IP27(self): return self.__machine(27)
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def _is_IP28(self): return self.__machine(28)
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def _is_IP30(self): return self.__machine(30)
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def _is_IP32(self): return self.__machine(32)
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def _is_IP32_5k(self): return self.__machine(32) and self._is_r5000()
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def _is_IP32_10k(self): return self.__machine(32) and self._is_r10000()
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class DarwinCPUInfo(CPUInfoBase):
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info = None
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def __init__(self):
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if self.info is not None:
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return
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info = command_info(arch='arch',
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machine='machine')
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info['sysctl_hw'] = key_value_from_command('sysctl hw', sep='=')
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self.__class__.info = info
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def _not_impl(self): pass
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def _getNCPUs(self):
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return int(self.info['sysctl_hw'].get('hw.ncpu', 1))
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def _is_Power_Macintosh(self):
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return self.info['sysctl_hw']['hw.machine']=='Power Macintosh'
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def _is_i386(self):
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return self.info['arch']=='i386'
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def _is_ppc(self):
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return self.info['arch']=='ppc'
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def __machine(self, n):
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return self.info['machine'] == 'ppc%s'%n
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def _is_ppc601(self): return self.__machine(601)
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def _is_ppc602(self): return self.__machine(602)
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def _is_ppc603(self): return self.__machine(603)
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def _is_ppc603e(self): return self.__machine('603e')
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def _is_ppc604(self): return self.__machine(604)
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def _is_ppc604e(self): return self.__machine('604e')
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def _is_ppc620(self): return self.__machine(620)
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def _is_ppc630(self): return self.__machine(630)
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def _is_ppc740(self): return self.__machine(740)
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def _is_ppc7400(self): return self.__machine(7400)
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def _is_ppc7450(self): return self.__machine(7450)
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def _is_ppc750(self): return self.__machine(750)
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def _is_ppc403(self): return self.__machine(403)
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def _is_ppc505(self): return self.__machine(505)
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def _is_ppc801(self): return self.__machine(801)
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def _is_ppc821(self): return self.__machine(821)
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def _is_ppc823(self): return self.__machine(823)
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def _is_ppc860(self): return self.__machine(860)
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class SunOSCPUInfo(CPUInfoBase):
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info = None
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def __init__(self):
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if self.info is not None:
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return
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info = command_info(arch='arch',
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mach='mach',
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uname_i='uname_i',
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isainfo_b='isainfo -b',
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isainfo_n='isainfo -n',
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)
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info['uname_X'] = key_value_from_command('uname -X', sep='=')
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for line in command_by_line('psrinfo -v 0'):
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m = re.match(r'\s*The (?P<p>[\w\d]+) processor operates at', line)
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if m:
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info['processor'] = m.group('p')
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break
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self.__class__.info = info
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def _not_impl(self): pass
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def _is_i386(self):
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return self.info['isainfo_n']=='i386'
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def _is_sparc(self):
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return self.info['isainfo_n']=='sparc'
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def _is_sparcv9(self):
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return self.info['isainfo_n']=='sparcv9'
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def _getNCPUs(self):
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return int(self.info['uname_X'].get('NumCPU', 1))
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def _is_sun4(self):
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return self.info['arch']=='sun4'
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def _is_SUNW(self):
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return re.match(r'SUNW', self.info['uname_i']) is not None
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def _is_sparcstation5(self):
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return re.match(r'.*SPARCstation-5', self.info['uname_i']) is not None
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def _is_ultra1(self):
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return re.match(r'.*Ultra-1', self.info['uname_i']) is not None
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def _is_ultra250(self):
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return re.match(r'.*Ultra-250', self.info['uname_i']) is not None
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def _is_ultra2(self):
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return re.match(r'.*Ultra-2', self.info['uname_i']) is not None
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def _is_ultra30(self):
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return re.match(r'.*Ultra-30', self.info['uname_i']) is not None
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def _is_ultra4(self):
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return re.match(r'.*Ultra-4', self.info['uname_i']) is not None
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def _is_ultra5_10(self):
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return re.match(r'.*Ultra-5_10', self.info['uname_i']) is not None
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def _is_ultra5(self):
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return re.match(r'.*Ultra-5', self.info['uname_i']) is not None
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def _is_ultra60(self):
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return re.match(r'.*Ultra-60', self.info['uname_i']) is not None
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def _is_ultra80(self):
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return re.match(r'.*Ultra-80', self.info['uname_i']) is not None
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def _is_ultraenterprice(self):
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return re.match(r'.*Ultra-Enterprise', self.info['uname_i']) is not None
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def _is_ultraenterprice10k(self):
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return re.match(r'.*Ultra-Enterprise-10000', self.info['uname_i']) is not None
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def _is_sunfire(self):
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return re.match(r'.*Sun-Fire', self.info['uname_i']) is not None
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def _is_ultra(self):
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return re.match(r'.*Ultra', self.info['uname_i']) is not None
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def _is_cpusparcv7(self):
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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(CPUInfoBase):
|
|
|
|
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
|
|
info = []
|
|
try:
|
|
#XXX: Bad style to use so long `try:...except:...`. Fix it!
|
|
import winreg
|
|
|
|
prgx = re.compile(r"family\s+(?P<FML>\d+)\s+model\s+(?P<MDL>\d+)"
|
|
r"\s+stepping\s+(?P<STP>\d+)", re.IGNORECASE)
|
|
chnd=winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, self.pkey)
|
|
pnum=0
|
|
while True:
|
|
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 Exception as e:
|
|
print(e, '(ignoring)')
|
|
self.__class__.info = info
|
|
|
|
def _not_impl(self): pass
|
|
|
|
# Athlon
|
|
|
|
def _is_AMD(self):
|
|
return self.info[0]['VendorIdentifier']=='AuthenticAMD'
|
|
|
|
def _is_Am486(self):
|
|
return self.is_AMD() and self.info[0]['Family']==4
|
|
|
|
def _is_Am5x86(self):
|
|
return self.is_AMD() and self.info[0]['Family']==4
|
|
|
|
def _is_AMDK5(self):
|
|
return self.is_AMD() and self.info[0]['Family']==5 \
|
|
and self.info[0]['Model'] in [0, 1, 2, 3]
|
|
|
|
def _is_AMDK6(self):
|
|
return self.is_AMD() and self.info[0]['Family']==5 \
|
|
and self.info[0]['Model'] in [6, 7]
|
|
|
|
def _is_AMDK6_2(self):
|
|
return self.is_AMD() and self.info[0]['Family']==5 \
|
|
and self.info[0]['Model']==8
|
|
|
|
def _is_AMDK6_3(self):
|
|
return self.is_AMD() and self.info[0]['Family']==5 \
|
|
and self.info[0]['Model']==9
|
|
|
|
def _is_AMDK7(self):
|
|
return self.is_AMD() and self.info[0]['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]['Family'] == 15
|
|
|
|
# Intel
|
|
|
|
def _is_Intel(self):
|
|
return self.info[0]['VendorIdentifier']=='GenuineIntel'
|
|
|
|
def _is_i386(self):
|
|
return self.info[0]['Family']==3
|
|
|
|
def _is_i486(self):
|
|
return self.info[0]['Family']==4
|
|
|
|
def _is_i586(self):
|
|
return self.is_Intel() and self.info[0]['Family']==5
|
|
|
|
def _is_i686(self):
|
|
return self.is_Intel() and self.info[0]['Family']==6
|
|
|
|
def _is_Pentium(self):
|
|
return self.is_Intel() and self.info[0]['Family']==5
|
|
|
|
def _is_PentiumMMX(self):
|
|
return self.is_Intel() and self.info[0]['Family']==5 \
|
|
and self.info[0]['Model']==4
|
|
|
|
def _is_PentiumPro(self):
|
|
return self.is_Intel() and self.info[0]['Family']==6 \
|
|
and self.info[0]['Model']==1
|
|
|
|
def _is_PentiumII(self):
|
|
return self.is_Intel() and self.info[0]['Family']==6 \
|
|
and self.info[0]['Model'] in [3, 5, 6]
|
|
|
|
def _is_PentiumIII(self):
|
|
return self.is_Intel() and self.info[0]['Family']==6 \
|
|
and self.info[0]['Model'] in [7, 8, 9, 10, 11]
|
|
|
|
def _is_PentiumIV(self):
|
|
return self.is_Intel() and self.info[0]['Family']==15
|
|
|
|
def _is_PentiumM(self):
|
|
return self.is_Intel() and self.info[0]['Family'] == 6 \
|
|
and self.info[0]['Model'] in [9, 13, 14]
|
|
|
|
def _is_Core2(self):
|
|
return self.is_Intel() and self.info[0]['Family'] == 6 \
|
|
and self.info[0]['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]['Family']==5 and self.info[0]['Model']==4) \
|
|
or (self.info[0]['Family'] in [6, 15])
|
|
elif self.is_AMD():
|
|
return self.info[0]['Family'] in [5, 6, 15]
|
|
else:
|
|
return False
|
|
|
|
def _has_sse(self):
|
|
if self.is_Intel():
|
|
return ((self.info[0]['Family']==6 and
|
|
self.info[0]['Model'] in [7, 8, 9, 10, 11])
|
|
or self.info[0]['Family']==15)
|
|
elif self.is_AMD():
|
|
return ((self.info[0]['Family']==6 and
|
|
self.info[0]['Model'] in [6, 7, 8, 10])
|
|
or self.info[0]['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]['Family'] in [5, 6, 15]
|
|
|
|
def _has_3dnowext(self):
|
|
return self.is_AMD() and self.info[0]['Family'] in [6, 15]
|
|
|
|
if sys.platform.startswith('linux'): # variations: linux2,linux-i386 (any others?)
|
|
cpuinfo = LinuxCPUInfo
|
|
elif sys.platform.startswith('irix'):
|
|
cpuinfo = IRIXCPUInfo
|
|
elif sys.platform == 'darwin':
|
|
cpuinfo = DarwinCPUInfo
|
|
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 = CPUInfoBase
|
|
|
|
cpu = cpuinfo()
|
|
|
|
#if __name__ == "__main__":
|
|
#
|
|
# cpu.is_blaa()
|
|
# cpu.is_Intel()
|
|
# cpu.is_Alpha()
|
|
#
|
|
# print('CPU information:'),
|
|
# for name in dir(cpuinfo):
|
|
# if name[0]=='_' and name[1]!='_':
|
|
# r = getattr(cpu,name[1:])()
|
|
# if r:
|
|
# if r!=1:
|
|
# print('%s=%s' %(name[1:],r))
|
|
# else:
|
|
# print(name[1:]),
|
|
# print()
|
|
|