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sbapp/plyer/platforms/win/cpu.py 2.0.0 (cf698d96) Text, 6.65 KB
T8b949e'''
Module of Windows API for plyer.cpu.
'''
Tff7b72from T7ee787ctypes Tff7b72import Tb4b4b4(
Te6edf3c_ulonglongTb4b4b4, Te6edf3c_ulongTb4b4b4, Te6edf3byrefTb4b4b4,
Te6edf3StructureTb4b4b4, Te6edf3POINTERTb4b4b4, Te6edf3UnionTb4b4b4, Te6edf3windllTb4b4b4, Te6edf3create_string_bufferTb4b4b4,
Te6edf3sizeofTb4b4b4, Te6edf3castTb4b4b4, Te6edf3c_void_pTb4b4b4, Te6edf3c_uint32
Tb4b4b4)
Tff7b72from T7ee787ctypesT7ee787.T7ee787wintypes Tff7b72import Tb4b4b4(
Te6edf3BYTETb4b4b4, Te6edf3DWORDTb4b4b4, Te6edf3WORD
Tb4b4b4)
Tff7b72from T7ee787sbappT7ee787.T7ee787plyerT7ee787.T7ee787facades Tff7b72import Te6edf3CPU
Te6edf3KERNEL Tff7b72= Te6edf3windllTff7b72.Td2a8ffkernel32
Te6edf3ERROR_INSUFFICIENT_BUFFER Tff7b72= T79c0ff0x0000007A
Tff7b72class T56d364CacheTypeTb4b4b4:
T8b949e'''
Win API PROCESSOR_CACHE_TYPE enum.
'''
Te6edf3unified Tff7b72= T79c0ff0
Te6edf3instruction Tff7b72= T79c0ff1
Te6edf3data Tff7b72= T79c0ff2
Te6edf3trace Tff7b72= T79c0ff3
Tff7b72class T56d364RelationshipTypeTb4b4b4:
T8b949e'''
Win API LOGICAL_PROCESSOR_RELATIONSHIP enum.
'''
Te6edf3processor_core Tff7b72= T79c0ff0 T8b949e# logical proc sharing single core
Te6edf3numa_node Tff7b72= T79c0ff1 T8b949e# logical proc sharing single NUMA node
Te6edf3cache Tff7b72= T79c0ff2 T8b949e# logical proc sharing cache
Te6edf3processor_package Tff7b72= T79c0ff3 T8b949e# logical proc sharing physical package
Te6edf3group Tff7b72= T79c0ff4 T8b949e# logical proc sharing processor group
Tffa657all Tff7b72= T79c0ff0xffff T8b949e# logical proc info for all groups
Tff7b72class T56d364CacheDescriptorTb4b4b4(Te6edf3StructureTb4b4b4)Tb4b4b4:
T8b949e'''
Win API CACHE_DESCRIPTOR struct.
'''
Te6edf3_fields_ Tff7b72= Tb4b4b4[
Tb4b4b4(Ta5d6ff'Ta5d6ffLevelTa5d6ff'Tb4b4b4, Te6edf3BYTETb4b4b4)Tb4b4b4,
Tb4b4b4(Ta5d6ff'Ta5d6ffAssociativityTa5d6ff'Tb4b4b4, Te6edf3BYTETb4b4b4)Tb4b4b4,
Tb4b4b4(Ta5d6ff'Ta5d6ffLineSizeTa5d6ff'Tb4b4b4, Te6edf3WORDTb4b4b4)Tb4b4b4,
Tb4b4b4(Ta5d6ff'Ta5d6ffSizeTa5d6ff'Tb4b4b4, Te6edf3DWORDTb4b4b4)Tb4b4b4,
Tb4b4b4(Ta5d6ff'Ta5d6ffTypeTa5d6ff'Tb4b4b4, Te6edf3DWORDTb4b4b4)
Tb4b4b4]
Tff7b72class T56d364ProcessorCoreTb4b4b4(Te6edf3StructureTb4b4b4)Tb4b4b4:
T8b949e'''
Win API ProcessorCore struct.
'''
Te6edf3_fields_ Tff7b72= Tb4b4b4[Tb4b4b4(Ta5d6ff'Ta5d6ffFlagsTa5d6ff'Tb4b4b4, Te6edf3BYTETb4b4b4)Tb4b4b4]
Tff7b72class T56d364NumaNodeTb4b4b4(Te6edf3StructureTb4b4b4)Tb4b4b4:
T8b949e'''
Win API NumaNode struct.
'''
Te6edf3_fields_ Tff7b72= Tb4b4b4[Tb4b4b4(Ta5d6ff'Ta5d6ffNodeNumberTa5d6ff'Tb4b4b4, Te6edf3DWORDTb4b4b4)Tb4b4b4]
Tff7b72class T56d364SystemLPIUnionTb4b4b4(Te6edf3UnionTb4b4b4)Tb4b4b4:
T8b949e'''
Win API SYSTEM_LOGICAL_PROCESSOR_INFORMATION union without name.
'''
Te6edf3_fields_ Tff7b72= Tb4b4b4[
Tb4b4b4(Ta5d6ff'Ta5d6ffProcessorCoreTa5d6ff'Tb4b4b4, Te6edf3ProcessorCoreTb4b4b4)Tb4b4b4,
Tb4b4b4(Ta5d6ff'Ta5d6ffNumaNodeTa5d6ff'Tb4b4b4, Te6edf3NumaNodeTb4b4b4)Tb4b4b4,
Tb4b4b4(Ta5d6ff'Ta5d6ffCacheTa5d6ff'Tb4b4b4, Te6edf3CacheDescriptorTb4b4b4)Tb4b4b4,
Tb4b4b4(Ta5d6ff'Ta5d6ffReservedTa5d6ff'Tb4b4b4, Te6edf3c_ulonglongTb4b4b4)
Tb4b4b4]
Tff7b72class T56d364SystemLPITb4b4b4(Te6edf3StructureTb4b4b4)Tb4b4b4:
T8b949e'''
Win API SYSTEM_LOGICAL_PROCESSOR_INFORMATION struct.
'''
Te6edf3_fields_ Tff7b72= Tb4b4b4[
Tb4b4b4(Ta5d6ff'Ta5d6ffProcessorMaskTa5d6ff'Tb4b4b4, Te6edf3c_ulongTb4b4b4)Tb4b4b4,
Tb4b4b4(Ta5d6ff'Ta5d6ffRelationshipTa5d6ff'Tb4b4b4, Te6edf3c_ulongTb4b4b4)Tb4b4b4,
Tb4b4b4(Ta5d6ff'Ta5d6ffLPITa5d6ff'Tb4b4b4, Te6edf3SystemLPIUnionTb4b4b4)
Tb4b4b4]
Tff7b72class T56d364WinCPUTb4b4b4(Te6edf3CPUTb4b4b4)Tb4b4b4:
T8b949e'''
Implementation of Windows CPU API.
'''
Tf0883e@staticmethod
Tff7b72def Td2a8ff_countbitsTb4b4b4(Te6edf3maskTb4b4b4)Tb4b4b4:
T8b949e# make sure the correct ULONG_PTR size is used on 64bit
T8b949e# https://docs.microsoft.com/en-us/windows/
T8b949e# desktop/WinProg/windows-data-types
T8b949e# note: not a pointer per-se, != PULONG_PTR
Te6edf3ulong_ptr Tff7b72= Te6edf3c_ulonglong Tff7b72if Te6edf3sizeofTb4b4b4(Te6edf3c_void_pTb4b4b4) Tff7b72== T79c0ff8 Tff7b72else Te6edf3c_ulong
T8b949e# note: c_ulonglong only on 64bit, otherwise c_ulong
T8b949e# DWORD == c_uint32
T8b949e# https://docs.microsoft.com/en-us/windows/
T8b949e# desktop/WinProg/windows-data-types
Te6edf3lshift Tff7b72= Te6edf3c_uint32Tb4b4b4(Te6edf3sizeofTb4b4b4(Te6edf3ulong_ptrTb4b4b4) Tff7b72* T79c0ff8 Tff7b72- T79c0ff1Tb4b4b4)
Tff7b72assert Te6edf3lshiftTff7b72.Td2a8ffvalue Tff7b72in Tb4b4b4(T79c0ff31Tb4b4b4, T79c0ff63Tb4b4b4)Tb4b4b4, Te6edf3lshift T8b949e# 32 or 64 bits - 1
Te6edf3lshift Tff7b72= Te6edf3lshiftTff7b72.Td2a8ffvalue
Te6edf3test Tff7b72= T79c0ff1 Tff7b72<< Te6edf3lshift
Tff7b72assert Te6edf3test Tff7b72% T79c0ff2 Tff7b72== T79c0ff0Tb4b4b4, Te6edf3test
Te6edf3count Tff7b72= T79c0ff0
Te6edf3i Tff7b72= T79c0ff0
Tff7b72while Te6edf3i Tff7b72<Tff7b72= Te6edf3lshiftTb4b4b4:
Te6edf3i Tff7b72+Tff7b72= T79c0ff1
T8b949e# do NOT remove!!!
T8b949e# test value has to be %2 == 0,
T8b949e# except the last case where the value is 1,
T8b949e# so that int(test) == int(float(test))
T8b949e# and the mask bit is counted correctly
Tff7b72assert Te6edf3test Tff7b72% T79c0ff2 Tff7b72== T79c0ff0 Tff7b72or Tffa657floatTb4b4b4(Te6edf3testTb4b4b4) Tff7b72== T79c0ff1.0Tb4b4b4, Te6edf3test
T8b949e# https://stackoverflow.com/a/1746642/5994041
T8b949e# note: useful to print(str(bin(int(...)))[2:])
Te6edf3count Tff7b72+Tff7b72= T79c0ff1 Tff7b72if Tb4b4b4(Te6edf3mask Tff7b72& Tffa657intTb4b4b4(Te6edf3testTb4b4b4)Tb4b4b4) Tff7b72else T79c0ff0
Te6edf3test Tff7b72/Tff7b72= T79c0ff2
Tff7b72return Te6edf3count
Tff7b72def Td2a8ff_logprocinfoTb4b4b4(Tff7b72selfTb4b4b4, Te6edf3relationshipTb4b4b4)Tb4b4b4:
Te6edf3get_logical_process_info Tff7b72= Te6edf3KERNELTff7b72.Td2a8ffGetLogicalProcessorInformation
T8b949e# first call with no structure to get the real size of the required
Te6edf3buff_length Tff7b72= Te6edf3c_ulongTb4b4b4(T79c0ff0Tb4b4b4)
Te6edf3result Tff7b72= Te6edf3get_logical_process_infoTb4b4b4(Tff7b72NoneTb4b4b4, Te6edf3byrefTb4b4b4(Te6edf3buff_lengthTb4b4b4)Tb4b4b4)
Tff7b72assert Tff7b72not Te6edf3resultTb4b4b4, Te6edf3result
Te6edf3error Tff7b72= Te6edf3KERNELTff7b72.Td2a8ffGetLastErrorTb4b4b4(Tb4b4b4)
Tff7b72assert Te6edf3error Tff7b72== Te6edf3ERROR_INSUFFICIENT_BUFFERTb4b4b4, Te6edf3error
Tff7b72assert Te6edf3buff_lengthTb4b4b4, Te6edf3buff_length
T8b949e# create buffer from the real winapi buffer length
Te6edf3buff Tff7b72= Te6edf3create_string_bufferTb4b4b4(Te6edf3buff_lengthTff7b72.Td2a8ffvalueTb4b4b4)
T8b949e# call again with buffer pointer + the same length as arguments
Te6edf3result Tff7b72= Te6edf3get_logical_process_infoTb4b4b4(Te6edf3buffTb4b4b4, Te6edf3byrefTb4b4b4(Te6edf3buff_lengthTb4b4b4)Tb4b4b4)
Tff7b72assert Te6edf3resultTb4b4b4, Tb4b4b4(Te6edf3resultTb4b4b4, Te6edf3KERNELTff7b72.Td2a8ffGetLastErrorTb4b4b4(Tb4b4b4)Tb4b4b4)
T8b949e# memory size of one LPI struct in the array of LPI structs
Te6edf3offset Tff7b72= Te6edf3sizeofTb4b4b4(Te6edf3SystemLPITb4b4b4) T8b949e# ok
Te6edf3values Tff7b72= Tb4b4b4{
Te6edf3keyTb4b4b4: T79c0ff0 Tff7b72for Te6edf3key Tff7b72in Tb4b4b4(
Ta5d6ff'Ta5d6ffrelationshipTa5d6ff'Tb4b4b4, Ta5d6ff'Ta5d6ffmaskTa5d6ff'Tb4b4b4,
Ta5d6ff'Ta5d6ffL1Ta5d6ff'Tb4b4b4, Ta5d6ff'Ta5d6ffL2Ta5d6ff'Tb4b4b4, Ta5d6ff'Ta5d6ffL3Ta5d6ff'
Tb4b4b4)
Tb4b4b4}
Tff7b72for Te6edf3i Tff7b72in Tffa657rangeTb4b4b4(T79c0ff0Tb4b4b4, Te6edf3buff_lengthTff7b72.Td2a8ffvalueTb4b4b4, Te6edf3offsetTb4b4b4)Tb4b4b4:
Te6edf3slpi Tff7b72= Te6edf3castTb4b4b4(
Te6edf3buffTb4b4b4[Te6edf3iTb4b4b4: Te6edf3i Tff7b72+ Te6edf3offsetTb4b4b4]Tb4b4b4,
Te6edf3POINTERTb4b4b4(Te6edf3SystemLPITb4b4b4)
Tb4b4b4)Tff7b72.Td2a8ffcontents
Tff7b72if Te6edf3slpiTff7b72.Td2a8ffRelationship Tff7b72!= Te6edf3relationshipTb4b4b4:
Tff7b72continue
Te6edf3valuesTb4b4b4[Ta5d6ff'Ta5d6ffrelationshipTa5d6ff'Tb4b4b4] Tff7b72+Tff7b72= T79c0ff1
Te6edf3valuesTb4b4b4[Ta5d6ff'Ta5d6ffmaskTa5d6ff'Tb4b4b4] Tff7b72+Tff7b72= Tff7b72selfTff7b72.Td2a8ff_countbitsTb4b4b4(Te6edf3slpiTff7b72.Td2a8ffProcessorMaskTb4b4b4)
Tff7b72if Te6edf3slpiTff7b72.Td2a8ffLPITff7b72.Td2a8ffCacheTff7b72.Td2a8ffLevel Tff7b72== T79c0ff1Tb4b4b4:
Te6edf3valuesTb4b4b4[Ta5d6ff'Ta5d6ffL1Ta5d6ff'Tb4b4b4] Tff7b72+Tff7b72= T79c0ff1
Tff7b72elif Te6edf3slpiTff7b72.Td2a8ffLPITff7b72.Td2a8ffCacheTff7b72.Td2a8ffLevel Tff7b72== T79c0ff2Tb4b4b4:
Te6edf3valuesTb4b4b4[Ta5d6ff'Ta5d6ffL2Ta5d6ff'Tb4b4b4] Tff7b72+Tff7b72= T79c0ff1
Tff7b72elif Te6edf3slpiTff7b72.Td2a8ffLPITff7b72.Td2a8ffCacheTff7b72.Td2a8ffLevel Tff7b72== T79c0ff3Tb4b4b4:
Te6edf3valuesTb4b4b4[Ta5d6ff'Ta5d6ffL3Ta5d6ff'Tb4b4b4] Tff7b72+Tff7b72= T79c0ff1
Tff7b72return Te6edf3values
Tff7b72def Td2a8ff_socketsTb4b4b4(Tff7b72selfTb4b4b4)Tb4b4b4:
T8b949e# physical CPU sockets (or slots) on motherboard
Tff7b72return Tff7b72selfTff7b72.Td2a8ff_logprocinfoTb4b4b4(
Te6edf3RelationshipTypeTff7b72.Td2a8ffprocessor_package
Tb4b4b4)Tb4b4b4[Ta5d6ff'Ta5d6ffrelationshipTa5d6ff'Tb4b4b4]
Tff7b72def Td2a8ff_physicalTb4b4b4(Tff7b72selfTb4b4b4)Tb4b4b4:
T8b949e# cores
Tff7b72return Tff7b72selfTff7b72.Td2a8ff_logprocinfoTb4b4b4(
Te6edf3RelationshipTypeTff7b72.Td2a8ffprocessor_core
Tb4b4b4)Tb4b4b4[Ta5d6ff'Ta5d6ffrelationshipTa5d6ff'Tb4b4b4]
Tff7b72def Td2a8ff_logicalTb4b4b4(Tff7b72selfTb4b4b4)Tb4b4b4:
T8b949e# cores * threads
T8b949e# if hyperthreaded core -> more than one logical processor
Tff7b72return Tff7b72selfTff7b72.Td2a8ff_logprocinfoTb4b4b4(
Te6edf3RelationshipTypeTff7b72.Td2a8ffprocessor_core
Tb4b4b4)Tb4b4b4[Ta5d6ff'Ta5d6ffmaskTa5d6ff'Tb4b4b4]
Tff7b72def Td2a8ff_cacheTb4b4b4(Tff7b72selfTb4b4b4)Tb4b4b4:
T8b949e# L1, L2, L3 cache count
Te6edf3result Tff7b72= Tff7b72selfTff7b72.Td2a8ff_logprocinfoTb4b4b4(
Te6edf3RelationshipTypeTff7b72.Td2a8ffcache
Tb4b4b4)
Tff7b72return Tb4b4b4{
Te6edf3keyTb4b4b4: Te6edf3resultTb4b4b4[Te6edf3keyTb4b4b4]
Tff7b72for Te6edf3key Tff7b72in Te6edf3result
Tff7b72if Te6edf3key Tff7b72in Tb4b4b4(Ta5d6ff'Ta5d6ffL1Ta5d6ff'Tb4b4b4, Ta5d6ff'Ta5d6ffL2Ta5d6ff'Tb4b4b4, Ta5d6ff'Ta5d6ffL3Ta5d6ff'Tb4b4b4)
Tb4b4b4}
Tff7b72def Td2a8ff_numaTb4b4b4(Tff7b72selfTb4b4b4)Tb4b4b4:
T8b949e# numa nodes
Tff7b72return Tff7b72selfTff7b72.Td2a8ff_logprocinfoTb4b4b4(
Te6edf3RelationshipTypeTff7b72.Td2a8ffnuma_node
Tb4b4b4)Tb4b4b4[Ta5d6ff'Ta5d6ffrelationshipTa5d6ff'Tb4b4b4]
Tff7b72def Td2a8ffinstanceTb4b4b4(Tb4b4b4)Tb4b4b4:
T8b949e'''
Instance for facade proxy.
'''
Tff7b72return Te6edf3WinCPUTb4b4b4(Tb4b4b4)
T8b949e# Resources:
T8b949e# GetLogicalProcessInformation
T8b949e# https://msdn.microsoft.com/en-us/library/ms683194(v=vs.85).aspx
T8b949e# SYSTEM_LOGICAL_PROCESSOR_INFORMATION
T8b949e# https://msdn.microsoft.com/en-us/library/ms686694(v=vs.85).aspx
T8b949e# LOGICAL_PROCESSOR_RELATIONSHIP enum (0 - 4, 0xffff)
T8b949e# https://msdn.microsoft.com/2ada52f0-70ec-4146-9ef7-9af3b08996f9
T8b949e# CACHE_DESCRIPTOR struct
T8b949e# https://msdn.microsoft.com/38cfa605-831c-45ef-a99f-55f42b2b56e9
T8b949e# PROCESSOR_CACHE_TYPE
T8b949e# https://msdn.microsoft.com/23044f67-e944-43c2-8c75-3d2fba87cb3c
T8b949e# C example
T8b949e# https://msdn.microsoft.com/en-us/904d2d35-f419-4e8f-a689-f39ed926644c
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