diff options
Diffstat (limited to 'Source/kwsys/SystemInformation.cxx')
| -rw-r--r-- | Source/kwsys/SystemInformation.cxx | 181 |
1 files changed, 111 insertions, 70 deletions
diff --git a/Source/kwsys/SystemInformation.cxx b/Source/kwsys/SystemInformation.cxx index 6ec6e48..3cf64a8 100644 --- a/Source/kwsys/SystemInformation.cxx +++ b/Source/kwsys/SystemInformation.cxx @@ -132,7 +132,7 @@ typedef int siginfo_t; # endif # endif # if defined(KWSYS_CXX_HAS_RLIMIT64) -typedef struct rlimit64 ResourceLimitType; +using ResourceLimitType = struct rlimit64; # define GetResourceLimit getrlimit64 # else typedef struct rlimit ResourceLimitType; @@ -303,34 +303,34 @@ T min(T a, T b) } extern "C" { -typedef void (*SigAction)(int, siginfo_t*, void*); +using SigAction = void (*)(int, siginfo_t*, void*); } // Define SystemInformationImplementation class -typedef void (*DELAY_FUNC)(unsigned int uiMS); +using DELAY_FUNC = void (*)(unsigned int); class SystemInformationImplementation { public: - typedef SystemInformation::LongLong LongLong; + using LongLong = SystemInformation::LongLong; SystemInformationImplementation(); - ~SystemInformationImplementation(); + ~SystemInformationImplementation() = default; - const char* GetVendorString(); + const char* GetVendorString() const; const char* GetVendorID(); - std::string GetTypeID(); - std::string GetFamilyID(); - std::string GetModelID(); - std::string GetModelName(); - std::string GetSteppingCode(); - const char* GetExtendedProcessorName(); - const char* GetProcessorSerialNumber(); - int GetProcessorCacheSize(); - unsigned int GetLogicalProcessorsPerPhysical(); - float GetProcessorClockFrequency(); - int GetProcessorAPICID(); - int GetProcessorCacheXSize(long int); - bool DoesCPUSupportFeature(long int); + std::string GetTypeID() const; + std::string GetFamilyID() const; + std::string GetModelID() const; + std::string GetModelName() const; + std::string GetSteppingCode() const; + const char* GetExtendedProcessorName() const; + const char* GetProcessorSerialNumber() const; + int GetProcessorCacheSize() const; + unsigned int GetLogicalProcessorsPerPhysical() const; + float GetProcessorClockFrequency() const; + int GetProcessorAPICID() const; + int GetProcessorCacheXSize(long int) const; + bool DoesCPUSupportFeature(long int) const; const char* GetOSName(); const char* GetHostname(); @@ -339,24 +339,24 @@ public: const char* GetOSVersion(); const char* GetOSPlatform(); - bool Is64Bits(); + bool Is64Bits() const; - unsigned int GetNumberOfLogicalCPU(); // per physical cpu - unsigned int GetNumberOfPhysicalCPU(); + unsigned int GetNumberOfLogicalCPU() const; // per physical cpu + unsigned int GetNumberOfPhysicalCPU() const; bool DoesCPUSupportCPUID(); // Retrieve memory information in MiB. - size_t GetTotalVirtualMemory(); - size_t GetAvailableVirtualMemory(); - size_t GetTotalPhysicalMemory(); - size_t GetAvailablePhysicalMemory(); + size_t GetTotalVirtualMemory() const; + size_t GetAvailableVirtualMemory() const; + size_t GetTotalPhysicalMemory() const; + size_t GetAvailablePhysicalMemory() const; LongLong GetProcessId(); // Retrieve memory information in KiB. LongLong GetHostMemoryTotal(); - LongLong GetHostMemoryAvailable(const char* envVarName); + LongLong GetHostMemoryAvailable(const char* hostLimitEnvVarName); LongLong GetHostMemoryUsed(); LongLong GetProcMemoryAvailable(const char* hostLimitEnvVarName, @@ -377,60 +377,103 @@ public: void RunMemoryCheck(); public: - typedef struct tagID + using ID = struct tagID + { + int Type; + int Family; + int Model; + int Revision; + int ExtendedFamily; + int ExtendedModel; + std::string ProcessorName; + std::string Vendor; + std::string SerialNumber; + std::string ModelName; - } ID; + }; + + using CPUPowerManagement = struct tagCPUPowerManagement - typedef struct tagCPUPowerManagement { + bool HasVoltageID; + bool HasFrequencyID; + bool HasTempSenseDiode; - } CPUPowerManagement; + }; + + using CPUExtendedFeatures = struct tagCPUExtendedFeatures - typedef struct tagCPUExtendedFeatures { + bool Has3DNow; + bool Has3DNowPlus; + bool SupportsMP; + bool HasMMXPlus; + bool HasSSEMMX; + unsigned int LogicalProcessorsPerPhysical; + int APIC_ID; + CPUPowerManagement PowerManagement; - } CPUExtendedFeatures; + }; + + using CPUFeatures = struct CPUtagFeatures - typedef struct CPUtagFeatures { + bool HasFPU; + bool HasTSC; + bool HasMMX; + bool HasSSE; + bool HasSSEFP; + bool HasSSE2; + bool HasIA64; + bool HasAPIC; + bool HasCMOV; + bool HasMTRR; + bool HasACPI; + bool HasSerial; + bool HasThermal; + int CPUSpeed; + int L1CacheSize; + int L2CacheSize; + int L3CacheSize; + CPUExtendedFeatures ExtendedFeatures; - } CPUFeatures; + }; enum Manufacturer { @@ -476,7 +519,7 @@ protected: void CPUCountWindows(); // For windows unsigned char GetAPICId(); // For windows - bool IsSMTSupported(); + bool IsSMTSupported() const; static LongLong GetCyclesDifference(DELAY_FUNC, unsigned int); // For windows // For Linux and Cygwin, /proc/cpuinfo formats are slightly different @@ -885,7 +928,7 @@ int LoadLines(FILE* file, std::vector<std::string>& lines) *pBuf = '\0'; pBuf += 1; } - lines.push_back(buf); + lines.emplace_back(buf); ++nRead; } if (ferror(file)) { @@ -899,7 +942,7 @@ int LoadLines(FILE* file, std::vector<std::string>& lines) int LoadLines(const char* fileName, std::vector<std::string>& lines) { FILE* file = fopen(fileName, "r"); - if (file == 0) { + if (file == nullptr) { return 0; } int nRead = LoadLines(file, lines); @@ -1464,10 +1507,6 @@ SystemInformationImplementation::SystemInformationImplementation() this->OSIs64Bit = (sizeof(void*) == 8); } -SystemInformationImplementation::~SystemInformationImplementation() -{ -} - void SystemInformationImplementation::RunCPUCheck() { #ifdef _WIN32 @@ -1564,7 +1603,7 @@ void SystemInformationImplementation::RunMemoryCheck() } /** Get the vendor string */ -const char* SystemInformationImplementation::GetVendorString() +const char* SystemInformationImplementation::GetVendorString() const { return this->ChipID.Vendor.c_str(); } @@ -1760,7 +1799,7 @@ const char* SystemInformationImplementation::GetVendorID() } /** Return the type ID of the CPU */ -std::string SystemInformationImplementation::GetTypeID() +std::string SystemInformationImplementation::GetTypeID() const { std::ostringstream str; str << this->ChipID.Type; @@ -1768,7 +1807,7 @@ std::string SystemInformationImplementation::GetTypeID() } /** Return the family of the CPU present */ -std::string SystemInformationImplementation::GetFamilyID() +std::string SystemInformationImplementation::GetFamilyID() const { std::ostringstream str; str << this->ChipID.Family; @@ -1776,7 +1815,7 @@ std::string SystemInformationImplementation::GetFamilyID() } // Return the model of CPU present */ -std::string SystemInformationImplementation::GetModelID() +std::string SystemInformationImplementation::GetModelID() const { std::ostringstream str; str << this->ChipID.Model; @@ -1784,13 +1823,13 @@ std::string SystemInformationImplementation::GetModelID() } // Return the model name of CPU present */ -std::string SystemInformationImplementation::GetModelName() +std::string SystemInformationImplementation::GetModelName() const { return this->ChipID.ModelName; } /** Return the stepping code of the CPU present. */ -std::string SystemInformationImplementation::GetSteppingCode() +std::string SystemInformationImplementation::GetSteppingCode() const { std::ostringstream str; str << this->ChipID.Revision; @@ -1798,44 +1837,46 @@ std::string SystemInformationImplementation::GetSteppingCode() } /** Return the stepping code of the CPU present. */ -const char* SystemInformationImplementation::GetExtendedProcessorName() +const char* SystemInformationImplementation::GetExtendedProcessorName() const { return this->ChipID.ProcessorName.c_str(); } /** Return the serial number of the processor * in hexadecimal: xxxx-xxxx-xxxx-xxxx-xxxx-xxxx. */ -const char* SystemInformationImplementation::GetProcessorSerialNumber() +const char* SystemInformationImplementation::GetProcessorSerialNumber() const { return this->ChipID.SerialNumber.c_str(); } /** Return the logical processors per physical */ unsigned int SystemInformationImplementation::GetLogicalProcessorsPerPhysical() + const { return this->Features.ExtendedFeatures.LogicalProcessorsPerPhysical; } /** Return the processor clock frequency. */ -float SystemInformationImplementation::GetProcessorClockFrequency() +float SystemInformationImplementation::GetProcessorClockFrequency() const { return this->CPUSpeedInMHz; } /** Return the APIC ID. */ -int SystemInformationImplementation::GetProcessorAPICID() +int SystemInformationImplementation::GetProcessorAPICID() const { return this->Features.ExtendedFeatures.APIC_ID; } /** Return the L1 cache size. */ -int SystemInformationImplementation::GetProcessorCacheSize() +int SystemInformationImplementation::GetProcessorCacheSize() const { return this->Features.L1CacheSize; } /** Return the chosen cache size. */ -int SystemInformationImplementation::GetProcessorCacheXSize(long int dwCacheID) +int SystemInformationImplementation::GetProcessorCacheXSize( + long int dwCacheID) const { switch (dwCacheID) { case SystemInformation::CPU_FEATURE_L1CACHE: @@ -1848,7 +1889,8 @@ int SystemInformationImplementation::GetProcessorCacheXSize(long int dwCacheID) return -1; } -bool SystemInformationImplementation::DoesCPUSupportFeature(long int dwFeature) +bool SystemInformationImplementation::DoesCPUSupportFeature( + long int dwFeature) const { bool bHasFeature = false; @@ -3409,7 +3451,7 @@ bool SystemInformationImplementation::RetreiveInformationFromCpuInfoFile() // We want to record the total number of cores in this->NumberOfPhysicalCPU // (checking only the first proc) std::string Cores = this->ExtractValueFromCpuInfoFile(buffer, "cpu cores"); - unsigned int NumberOfCoresPerSocket = (unsigned int)atoi(Cores.c_str()); + auto NumberOfCoresPerSocket = (unsigned int)atoi(Cores.c_str()); NumberOfCoresPerSocket = std::max(NumberOfCoresPerSocket, 1u); this->NumberOfPhysicalCPU = NumberOfCoresPerSocket * (unsigned int)NumberOfSockets; @@ -3441,7 +3483,7 @@ bool SystemInformationImplementation::RetreiveInformationFromCpuInfoFile() // Linux Sparc: CPU speed is in Hz and encoded in hexadecimal CPUSpeed = this->ExtractValueFromCpuInfoFile(buffer, "Cpu0ClkTck"); this->CPUSpeedInMHz = - static_cast<float>(strtoull(CPUSpeed.c_str(), 0, 16)) / 1000000.0f; + static_cast<float>(strtoull(CPUSpeed.c_str(), nullptr, 16)) / 1000000.0f; } #endif @@ -3502,9 +3544,8 @@ bool SystemInformationImplementation::RetreiveInformationFromCpuInfoFile() cachename.push_back("D-cache"); // e.g. PA-RISC this->Features.L1CacheSize = 0; - for (size_t index = 0; index < cachename.size(); index++) { - std::string cacheSize = - this->ExtractValueFromCpuInfoFile(buffer, cachename[index]); + for (auto& index : cachename) { + std::string cacheSize = this->ExtractValueFromCpuInfoFile(buffer, index); if (!cacheSize.empty()) { pos = cacheSize.find(" KB"); if (pos != std::string::npos) { @@ -4249,24 +4290,24 @@ bool SystemInformationImplementation::QueryMemory() } /** */ -size_t SystemInformationImplementation::GetTotalVirtualMemory() +size_t SystemInformationImplementation::GetTotalVirtualMemory() const { return this->TotalVirtualMemory; } /** */ -size_t SystemInformationImplementation::GetAvailableVirtualMemory() +size_t SystemInformationImplementation::GetAvailableVirtualMemory() const { return this->AvailableVirtualMemory; } -size_t SystemInformationImplementation::GetTotalPhysicalMemory() +size_t SystemInformationImplementation::GetTotalPhysicalMemory() const { return this->TotalPhysicalMemory; } /** */ -size_t SystemInformationImplementation::GetAvailablePhysicalMemory() +size_t SystemInformationImplementation::GetAvailablePhysicalMemory() const { return this->AvailablePhysicalMemory; } @@ -4350,7 +4391,7 @@ void SystemInformationImplementation::DelayOverhead(unsigned int uiMS) } /** Works only for windows */ -bool SystemInformationImplementation::IsSMTSupported() +bool SystemInformationImplementation::IsSMTSupported() const { return this->Features.ExtendedFeatures.LogicalProcessorsPerPhysical > 1; } @@ -4432,13 +4473,13 @@ void SystemInformationImplementation::CPUCountWindows() } /** Return the number of logical CPUs on the system */ -unsigned int SystemInformationImplementation::GetNumberOfLogicalCPU() +unsigned int SystemInformationImplementation::GetNumberOfLogicalCPU() const { return this->NumberOfLogicalCPU; } /** Return the number of physical CPUs on the system */ -unsigned int SystemInformationImplementation::GetNumberOfPhysicalCPU() +unsigned int SystemInformationImplementation::GetNumberOfPhysicalCPU() const { return this->NumberOfPhysicalCPU; } @@ -4739,8 +4780,8 @@ std::string SystemInformationImplementation::ParseValueFromKStat( args.reserve(3 + args_string.size()); args.push_back("kstat"); args.push_back("-p"); - for (size_t i = 0; i < args_string.size(); ++i) { - args.push_back(args_string[i].c_str()); + for (auto& i : args_string) { + args.push_back(i.c_str()); } args.push_back(nullptr); @@ -5459,7 +5500,7 @@ void SystemInformationImplementation::TrimNewline(std::string& output) } /** Return true if the machine is 64 bits */ -bool SystemInformationImplementation::Is64Bits() +bool SystemInformationImplementation::Is64Bits() const { return this->OSIs64Bit; } |