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Diffstat (limited to 'Source/kwsys/SystemInformation.cxx')
| -rw-r--r-- | Source/kwsys/SystemInformation.cxx | 5426 |
1 files changed, 5426 insertions, 0 deletions
diff --git a/Source/kwsys/SystemInformation.cxx b/Source/kwsys/SystemInformation.cxx new file mode 100644 index 0000000..cfe62b4 --- /dev/null +++ b/Source/kwsys/SystemInformation.cxx @@ -0,0 +1,5426 @@ +/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying + file Copyright.txt or https://cmake.org/licensing#kwsys for details. */ +#if defined(_WIN32) +# define NOMINMAX // use our min,max +# if !defined(_WIN32_WINNT) && !(defined(_MSC_VER) && _MSC_VER < 1300) +# define _WIN32_WINNT 0x0501 +# endif +# include <winsock.h> // WSADATA, include before sys/types.h +#endif + +#if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE) +# define _GNU_SOURCE +#endif + +// TODO: +// We need an alternative implementation for many functions in this file +// when USE_ASM_INSTRUCTIONS gets defined as 0. +// +// Consider using these on Win32/Win64 for some of them: +// +// IsProcessorFeaturePresent +// http://msdn.microsoft.com/en-us/library/ms724482(VS.85).aspx +// +// GetProcessMemoryInfo +// http://msdn.microsoft.com/en-us/library/ms683219(VS.85).aspx + +#include "kwsysPrivate.h" +#include KWSYS_HEADER(SystemInformation.hxx) +#include KWSYS_HEADER(Process.h) + +// Work-around CMake dependency scanning limitation. This must +// duplicate the above list of headers. +#if 0 +# include "Process.h.in" +# include "SystemInformation.hxx.in" +#endif + +#include <algorithm> +#include <bitset> +#include <cassert> +#include <fstream> +#include <iostream> +#include <limits> +#include <set> +#include <sstream> +#include <string> +#include <vector> + +#if defined(_WIN32) +# include <windows.h> +# if defined(_MSC_VER) && _MSC_VER >= 1800 +# define KWSYS_WINDOWS_DEPRECATED_GetVersionEx +# endif +# include <errno.h> +# if defined(KWSYS_SYS_HAS_PSAPI) +# include <psapi.h> +# endif +# if !defined(siginfo_t) +typedef int siginfo_t; +# endif +#else +# include <sys/types.h> + +# include <errno.h> // extern int errno; +# include <fcntl.h> +# include <signal.h> +# include <sys/resource.h> // getrlimit +# include <sys/time.h> +# include <sys/utsname.h> // int uname(struct utsname *buf); +# include <unistd.h> +#endif + +#if defined(__CYGWIN__) && !defined(_WIN32) +# include <windows.h> +# undef _WIN32 +#endif + +#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) || \ + defined(__DragonFly__) +# include <netdb.h> +# include <netinet/in.h> +# include <sys/param.h> +# include <sys/socket.h> +# include <sys/sysctl.h> +# if defined(KWSYS_SYS_HAS_IFADDRS_H) +# include <ifaddrs.h> +# include <net/if.h> +# define KWSYS_SYSTEMINFORMATION_IMPLEMENT_FQDN +# endif +#endif + +#if defined(KWSYS_SYS_HAS_MACHINE_CPU_H) +# include <machine/cpu.h> +#endif + +#ifdef __APPLE__ +# include <mach/host_info.h> +# include <mach/mach.h> +# include <mach/mach_types.h> +# include <mach/vm_statistics.h> +# include <netdb.h> +# include <netinet/in.h> +# include <sys/socket.h> +# include <sys/sysctl.h> +# if defined(KWSYS_SYS_HAS_IFADDRS_H) +# include <ifaddrs.h> +# include <net/if.h> +# define KWSYS_SYSTEMINFORMATION_IMPLEMENT_FQDN +# endif +# if !(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ - 0 >= 1050) +# undef KWSYS_SYSTEMINFORMATION_HAS_BACKTRACE +# endif +#endif + +#if defined(__linux) || defined(__sun) || defined(_SCO_DS) +# include <netdb.h> +# include <netinet/in.h> +# include <sys/socket.h> +# if defined(KWSYS_SYS_HAS_IFADDRS_H) +# include <ifaddrs.h> +# include <net/if.h> +# if defined(__LSB_VERSION__) +/* LSB has no getifaddrs */ +# elif defined(__ANDROID_API__) && __ANDROID_API__ < 24 +/* Android has no getifaddrs prior to API 24. */ +# else +# define KWSYS_SYSTEMINFORMATION_IMPLEMENT_FQDN +# endif +# endif +# if defined(KWSYS_CXX_HAS_RLIMIT64) +typedef struct rlimit64 ResourceLimitType; +# define GetResourceLimit getrlimit64 +# else +typedef struct rlimit ResourceLimitType; +# define GetResourceLimit getrlimit +# endif +#elif defined(__hpux) +# include <sys/param.h> +# include <sys/pstat.h> +# if defined(KWSYS_SYS_HAS_MPCTL_H) +# include <sys/mpctl.h> +# endif +#endif + +#ifdef __HAIKU__ +# include <OS.h> +#endif + +#if defined(KWSYS_SYSTEMINFORMATION_HAS_BACKTRACE) +# include <execinfo.h> +# if defined(KWSYS_SYSTEMINFORMATION_HAS_CPP_DEMANGLE) +# include <cxxabi.h> +# endif +# if defined(KWSYS_SYSTEMINFORMATION_HAS_SYMBOL_LOOKUP) +# include <dlfcn.h> +# endif +#else +# undef KWSYS_SYSTEMINFORMATION_HAS_CPP_DEMANGLE +# undef KWSYS_SYSTEMINFORMATION_HAS_SYMBOL_LOOKUP +#endif + +#include <ctype.h> // int isdigit(int c); +#include <memory.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#if defined(KWSYS_USE_LONG_LONG) +# if defined(KWSYS_IOS_HAS_OSTREAM_LONG_LONG) +# define iostreamLongLong(x) (x) +# else +# define iostreamLongLong(x) ((long)(x)) +# endif +#elif defined(KWSYS_USE___INT64) +# if defined(KWSYS_IOS_HAS_OSTREAM___INT64) +# define iostreamLongLong(x) (x) +# else +# define iostreamLongLong(x) ((long)(x)) +# endif +#else +# error "No Long Long" +#endif + +#if defined(KWSYS_CXX_HAS_ATOLL) +# define atoLongLong atoll +#else +# if defined(KWSYS_CXX_HAS__ATOI64) +# define atoLongLong _atoi64 +# elif defined(KWSYS_CXX_HAS_ATOL) +# define atoLongLong atol +# else +# define atoLongLong atoi +# endif +#endif + +#if defined(_MSC_VER) && (_MSC_VER >= 1300) && !defined(_WIN64) && \ + !defined(__clang__) +# define USE_ASM_INSTRUCTIONS 1 +#else +# define USE_ASM_INSTRUCTIONS 0 +#endif + +#if defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(__clang__) +# include <intrin.h> +# define USE_CPUID_INTRINSICS 1 +#else +# define USE_CPUID_INTRINSICS 0 +#endif + +#if USE_ASM_INSTRUCTIONS || USE_CPUID_INTRINSICS || \ + defined(KWSYS_CXX_HAS_BORLAND_ASM_CPUID) +# define USE_CPUID 1 +#else +# define USE_CPUID 0 +#endif + +#if USE_CPUID + +# define CPUID_AWARE_COMPILER + +/** + * call CPUID instruction + * + * Will return false if the instruction failed. + */ +static bool call_cpuid(int select, int result[4]) +{ +# if USE_CPUID_INTRINSICS + __cpuid(result, select); + return true; +# else + int tmp[4]; +# if defined(_MSC_VER) + // Use SEH to determine CPUID presence + __try { + _asm { +# ifdef CPUID_AWARE_COMPILER + ; we must push/pop the registers <<CPUID>> writes to, as the + ; optimiser does not know about <<CPUID>>, and so does not expect + ; these registers to change. + push eax + push ebx + push ecx + push edx +# endif + ; <<CPUID>> + mov eax, select +# ifdef CPUID_AWARE_COMPILER + cpuid +# else + _asm _emit 0x0f + _asm _emit 0xa2 +# endif + mov tmp[0 * TYPE int], eax + mov tmp[1 * TYPE int], ebx + mov tmp[2 * TYPE int], ecx + mov tmp[3 * TYPE int], edx + +# ifdef CPUID_AWARE_COMPILER + pop edx + pop ecx + pop ebx + pop eax +# endif + } + } __except (1) { + return false; + } + + memcpy(result, tmp, sizeof(tmp)); +# elif defined(KWSYS_CXX_HAS_BORLAND_ASM_CPUID) + unsigned int a, b, c, d; + __asm { + mov EAX, select; + cpuid + mov a, EAX; + mov b, EBX; + mov c, ECX; + mov d, EDX; + } + + result[0] = a; + result[1] = b; + result[2] = c; + result[3] = d; +# endif + + // The cpuid instruction succeeded. + return true; +# endif +} +#endif + +namespace KWSYS_NAMESPACE { +template <typename T> +T min(T a, T b) +{ + return a < b ? a : b; +} + +extern "C" { +typedef void (*SigAction)(int, siginfo_t*, void*); +} + +// Define SystemInformationImplementation class +typedef void (*DELAY_FUNC)(unsigned int uiMS); + +class SystemInformationImplementation +{ +public: + typedef SystemInformation::LongLong LongLong; + SystemInformationImplementation(); + ~SystemInformationImplementation(); + + const char* GetVendorString(); + 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); + + const char* GetOSName(); + const char* GetHostname(); + int GetFullyQualifiedDomainName(std::string& fqdn); + const char* GetOSRelease(); + const char* GetOSVersion(); + const char* GetOSPlatform(); + + bool Is64Bits(); + + unsigned int GetNumberOfLogicalCPU(); // per physical cpu + unsigned int GetNumberOfPhysicalCPU(); + + bool DoesCPUSupportCPUID(); + + // Retrieve memory information in MiB. + size_t GetTotalVirtualMemory(); + size_t GetAvailableVirtualMemory(); + size_t GetTotalPhysicalMemory(); + size_t GetAvailablePhysicalMemory(); + + LongLong GetProcessId(); + + // Retrieve memory information in KiB. + LongLong GetHostMemoryTotal(); + LongLong GetHostMemoryAvailable(const char* envVarName); + LongLong GetHostMemoryUsed(); + + LongLong GetProcMemoryAvailable(const char* hostLimitEnvVarName, + const char* procLimitEnvVarName); + LongLong GetProcMemoryUsed(); + + double GetLoadAverage(); + + // enable/disable stack trace signal handler. + static void SetStackTraceOnError(int enable); + + // get current stack + static std::string GetProgramStack(int firstFrame, int wholePath); + + /** Run the different checks */ + void RunCPUCheck(); + void RunOSCheck(); + void RunMemoryCheck(); + +public: + typedef 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; + + typedef struct tagCPUPowerManagement + { + bool HasVoltageID; + bool HasFrequencyID; + bool HasTempSenseDiode; + } CPUPowerManagement; + + typedef struct tagCPUExtendedFeatures + { + bool Has3DNow; + bool Has3DNowPlus; + bool SupportsMP; + bool HasMMXPlus; + bool HasSSEMMX; + unsigned int LogicalProcessorsPerPhysical; + int APIC_ID; + CPUPowerManagement PowerManagement; + } CPUExtendedFeatures; + + 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 + { + AMD, + Intel, + NSC, + UMC, + Cyrix, + NexGen, + IDT, + Rise, + Transmeta, + Sun, + IBM, + Motorola, + HP, + UnknownManufacturer + }; + +protected: + // For windows + bool RetrieveCPUFeatures(); + bool RetrieveCPUIdentity(); + bool RetrieveCPUCacheDetails(); + bool RetrieveClassicalCPUCacheDetails(); + bool RetrieveCPUClockSpeed(); + bool RetrieveClassicalCPUClockSpeed(); + bool RetrieveCPUExtendedLevelSupport(int); + bool RetrieveExtendedCPUFeatures(); + bool RetrieveProcessorSerialNumber(); + bool RetrieveCPUPowerManagement(); + bool RetrieveClassicalCPUIdentity(); + bool RetrieveExtendedCPUIdentity(); + + // Processor information + Manufacturer ChipManufacturer; + CPUFeatures Features; + ID ChipID; + float CPUSpeedInMHz; + unsigned int NumberOfLogicalCPU; + unsigned int NumberOfPhysicalCPU; + + void CPUCountWindows(); // For windows + unsigned char GetAPICId(); // For windows + bool IsSMTSupported(); + static LongLong GetCyclesDifference(DELAY_FUNC, unsigned int); // For windows + + // For Linux and Cygwin, /proc/cpuinfo formats are slightly different + bool RetreiveInformationFromCpuInfoFile(); + std::string ExtractValueFromCpuInfoFile(std::string buffer, const char* word, + size_t init = 0); + + bool QueryLinuxMemory(); + bool QueryCygwinMemory(); + + static void Delay(unsigned int); + static void DelayOverhead(unsigned int); + + void FindManufacturer(const std::string& family = ""); + + // For Mac + bool ParseSysCtl(); + int CallSwVers(const char* arg, std::string& ver); + void TrimNewline(std::string&); + std::string ExtractValueFromSysCtl(const char* word); + std::string SysCtlBuffer; + + // For Solaris + bool QuerySolarisMemory(); + bool QuerySolarisProcessor(); + std::string ParseValueFromKStat(const char* arguments); + std::string RunProcess(std::vector<const char*> args); + + // For Haiku OS + bool QueryHaikuInfo(); + + // For QNX + bool QueryQNXMemory(); + bool QueryQNXProcessor(); + + // For OpenBSD, FreeBSD, NetBSD, DragonFly + bool QueryBSDMemory(); + bool QueryBSDProcessor(); + + // For HP-UX + bool QueryHPUXMemory(); + bool QueryHPUXProcessor(); + + // For Microsoft Windows + bool QueryWindowsMemory(); + + // For AIX + bool QueryAIXMemory(); + + bool QueryProcessorBySysconf(); + bool QueryProcessor(); + + // Evaluate the memory information. + bool QueryMemoryBySysconf(); + bool QueryMemory(); + size_t TotalVirtualMemory; + size_t AvailableVirtualMemory; + size_t TotalPhysicalMemory; + size_t AvailablePhysicalMemory; + + size_t CurrentPositionInFile; + + // Operating System information + bool QueryOSInformation(); + std::string OSName; + std::string Hostname; + std::string OSRelease; + std::string OSVersion; + std::string OSPlatform; + bool OSIs64Bit; +}; + +SystemInformation::SystemInformation() +{ + this->Implementation = new SystemInformationImplementation; +} + +SystemInformation::~SystemInformation() +{ + delete this->Implementation; +} + +const char* SystemInformation::GetVendorString() +{ + return this->Implementation->GetVendorString(); +} + +const char* SystemInformation::GetVendorID() +{ + return this->Implementation->GetVendorID(); +} + +std::string SystemInformation::GetTypeID() +{ + return this->Implementation->GetTypeID(); +} + +std::string SystemInformation::GetFamilyID() +{ + return this->Implementation->GetFamilyID(); +} + +std::string SystemInformation::GetModelID() +{ + return this->Implementation->GetModelID(); +} + +std::string SystemInformation::GetModelName() +{ + return this->Implementation->GetModelName(); +} + +std::string SystemInformation::GetSteppingCode() +{ + return this->Implementation->GetSteppingCode(); +} + +const char* SystemInformation::GetExtendedProcessorName() +{ + return this->Implementation->GetExtendedProcessorName(); +} + +const char* SystemInformation::GetProcessorSerialNumber() +{ + return this->Implementation->GetProcessorSerialNumber(); +} + +int SystemInformation::GetProcessorCacheSize() +{ + return this->Implementation->GetProcessorCacheSize(); +} + +unsigned int SystemInformation::GetLogicalProcessorsPerPhysical() +{ + return this->Implementation->GetLogicalProcessorsPerPhysical(); +} + +float SystemInformation::GetProcessorClockFrequency() +{ + return this->Implementation->GetProcessorClockFrequency(); +} + +int SystemInformation::GetProcessorAPICID() +{ + return this->Implementation->GetProcessorAPICID(); +} + +int SystemInformation::GetProcessorCacheXSize(long int l) +{ + return this->Implementation->GetProcessorCacheXSize(l); +} + +bool SystemInformation::DoesCPUSupportFeature(long int i) +{ + return this->Implementation->DoesCPUSupportFeature(i); +} + +std::string SystemInformation::GetCPUDescription() +{ + std::ostringstream oss; + oss << this->GetNumberOfPhysicalCPU() << " core "; + if (this->GetModelName().empty()) { + oss << this->GetProcessorClockFrequency() << " MHz " + << this->GetVendorString() << " " << this->GetExtendedProcessorName(); + } else { + oss << this->GetModelName(); + } + + // remove extra spaces + std::string tmp = oss.str(); + size_t pos; + while ((pos = tmp.find(" ")) != std::string::npos) { + tmp.replace(pos, 2, " "); + } + + return tmp; +} + +const char* SystemInformation::GetOSName() +{ + return this->Implementation->GetOSName(); +} + +const char* SystemInformation::GetHostname() +{ + return this->Implementation->GetHostname(); +} + +std::string SystemInformation::GetFullyQualifiedDomainName() +{ + std::string fqdn; + this->Implementation->GetFullyQualifiedDomainName(fqdn); + return fqdn; +} + +const char* SystemInformation::GetOSRelease() +{ + return this->Implementation->GetOSRelease(); +} + +const char* SystemInformation::GetOSVersion() +{ + return this->Implementation->GetOSVersion(); +} + +const char* SystemInformation::GetOSPlatform() +{ + return this->Implementation->GetOSPlatform(); +} + +int SystemInformation::GetOSIsWindows() +{ +#if defined(_WIN32) + return 1; +#else + return 0; +#endif +} + +int SystemInformation::GetOSIsLinux() +{ +#if defined(__linux) + return 1; +#else + return 0; +#endif +} + +int SystemInformation::GetOSIsApple() +{ +#if defined(__APPLE__) + return 1; +#else + return 0; +#endif +} + +std::string SystemInformation::GetOSDescription() +{ + std::ostringstream oss; + oss << this->GetOSName() << " " << this->GetOSRelease() << " " + << this->GetOSVersion(); + + return oss.str(); +} + +bool SystemInformation::Is64Bits() +{ + return this->Implementation->Is64Bits(); +} + +unsigned int SystemInformation::GetNumberOfLogicalCPU() // per physical cpu +{ + return this->Implementation->GetNumberOfLogicalCPU(); +} + +unsigned int SystemInformation::GetNumberOfPhysicalCPU() +{ + return this->Implementation->GetNumberOfPhysicalCPU(); +} + +bool SystemInformation::DoesCPUSupportCPUID() +{ + return this->Implementation->DoesCPUSupportCPUID(); +} + +// Retrieve memory information in MiB. +size_t SystemInformation::GetTotalVirtualMemory() +{ + return this->Implementation->GetTotalVirtualMemory(); +} + +size_t SystemInformation::GetAvailableVirtualMemory() +{ + return this->Implementation->GetAvailableVirtualMemory(); +} + +size_t SystemInformation::GetTotalPhysicalMemory() +{ + return this->Implementation->GetTotalPhysicalMemory(); +} + +size_t SystemInformation::GetAvailablePhysicalMemory() +{ + return this->Implementation->GetAvailablePhysicalMemory(); +} + +std::string SystemInformation::GetMemoryDescription( + const char* hostLimitEnvVarName, const char* procLimitEnvVarName) +{ + std::ostringstream oss; + oss << "Host Total: " << iostreamLongLong(this->GetHostMemoryTotal()) + << " KiB, Host Available: " + << iostreamLongLong(this->GetHostMemoryAvailable(hostLimitEnvVarName)) + << " KiB, Process Available: " + << iostreamLongLong(this->GetProcMemoryAvailable(hostLimitEnvVarName, + procLimitEnvVarName)) + << " KiB"; + return oss.str(); +} + +// host memory info in units of KiB. +SystemInformation::LongLong SystemInformation::GetHostMemoryTotal() +{ + return this->Implementation->GetHostMemoryTotal(); +} + +SystemInformation::LongLong SystemInformation::GetHostMemoryAvailable( + const char* hostLimitEnvVarName) +{ + return this->Implementation->GetHostMemoryAvailable(hostLimitEnvVarName); +} + +SystemInformation::LongLong SystemInformation::GetHostMemoryUsed() +{ + return this->Implementation->GetHostMemoryUsed(); +} + +// process memory info in units of KiB. +SystemInformation::LongLong SystemInformation::GetProcMemoryAvailable( + const char* hostLimitEnvVarName, const char* procLimitEnvVarName) +{ + return this->Implementation->GetProcMemoryAvailable(hostLimitEnvVarName, + procLimitEnvVarName); +} + +SystemInformation::LongLong SystemInformation::GetProcMemoryUsed() +{ + return this->Implementation->GetProcMemoryUsed(); +} + +double SystemInformation::GetLoadAverage() +{ + return this->Implementation->GetLoadAverage(); +} + +SystemInformation::LongLong SystemInformation::GetProcessId() +{ + return this->Implementation->GetProcessId(); +} + +void SystemInformation::SetStackTraceOnError(int enable) +{ + SystemInformationImplementation::SetStackTraceOnError(enable); +} + +std::string SystemInformation::GetProgramStack(int firstFrame, int wholePath) +{ + return SystemInformationImplementation::GetProgramStack(firstFrame, + wholePath); +} + +/** Run the different checks */ +void SystemInformation::RunCPUCheck() +{ + this->Implementation->RunCPUCheck(); +} + +void SystemInformation::RunOSCheck() +{ + this->Implementation->RunOSCheck(); +} + +void SystemInformation::RunMemoryCheck() +{ + this->Implementation->RunMemoryCheck(); +} + +// SystemInformationImplementation starts here + +#define STORE_TLBCACHE_INFO(x, y) x = (x < (y)) ? (y) : x +#define TLBCACHE_INFO_UNITS (15) +#define CLASSICAL_CPU_FREQ_LOOP 10000000 +#define RDTSC_INSTRUCTION _asm _emit 0x0f _asm _emit 0x31 + +// Status Flag +#define HT_NOT_CAPABLE 0 +#define HT_ENABLED 1 +#define HT_DISABLED 2 +#define HT_SUPPORTED_NOT_ENABLED 3 +#define HT_CANNOT_DETECT 4 + +// EDX[28] Bit 28 is set if HT is supported +#define HT_BIT 0x10000000 + +// EAX[11:8] Bit 8-11 contains family processor ID. +#define FAMILY_ID 0x0F00 +#define PENTIUM4_ID 0x0F00 +// EAX[23:20] Bit 20-23 contains extended family processor ID +#define EXT_FAMILY_ID 0x0F00000 +// EBX[23:16] Bit 16-23 in ebx contains the number of logical +#define NUM_LOGICAL_BITS 0x00FF0000 +// processors per physical processor when execute cpuid with +// eax set to 1 +// EBX[31:24] Bits 24-31 (8 bits) return the 8-bit unique +#define INITIAL_APIC_ID_BITS 0xFF000000 +// initial APIC ID for the processor this code is running on. +// Default value = 0xff if HT is not supported + +// Hide implementation details in an anonymous namespace. +namespace { +// ***************************************************************************** +#if defined(__linux) || defined(__APPLE__) +int LoadLines(FILE* file, std::vector<std::string>& lines) +{ + // Load each line in the given file into a the vector. + int nRead = 0; + const int bufSize = 1024; + char buf[bufSize] = { '\0' }; + while (!feof(file) && !ferror(file)) { + errno = 0; + if (fgets(buf, bufSize, file) == KWSYS_NULLPTR) { + if (ferror(file) && (errno == EINTR)) { + clearerr(file); + } + continue; + } + char* pBuf = buf; + while (*pBuf) { + if (*pBuf == '\n') + *pBuf = '\0'; + pBuf += 1; + } + lines.push_back(buf); + ++nRead; + } + if (ferror(file)) { + return 0; + } + return nRead; +} + +# if defined(__linux) +// ***************************************************************************** +int LoadLines(const char* fileName, std::vector<std::string>& lines) +{ + FILE* file = fopen(fileName, "r"); + if (file == 0) { + return 0; + } + int nRead = LoadLines(file, lines); + fclose(file); + return nRead; +} +# endif + +// **************************************************************************** +template <typename T> +int NameValue(std::vector<std::string> const& lines, std::string const& name, + T& value) +{ + size_t nLines = lines.size(); + for (size_t i = 0; i < nLines; ++i) { + size_t at = lines[i].find(name); + if (at == std::string::npos) { + continue; + } + std::istringstream is(lines[i].substr(at + name.size())); + is >> value; + return 0; + } + return -1; +} +#endif + +#if defined(__linux) +// **************************************************************************** +template <typename T> +int GetFieldsFromFile(const char* fileName, const char** fieldNames, T* values) +{ + std::vector<std::string> fields; + if (!LoadLines(fileName, fields)) { + return -1; + } + int i = 0; + while (fieldNames[i] != NULL) { + int ierr = NameValue(fields, fieldNames[i], values[i]); + if (ierr) { + return -(i + 2); + } + i += 1; + } + return 0; +} + +// **************************************************************************** +template <typename T> +int GetFieldFromFile(const char* fileName, const char* fieldName, T& value) +{ + const char* fieldNames[2] = { fieldName, NULL }; + T values[1] = { T(0) }; + int ierr = GetFieldsFromFile(fileName, fieldNames, values); + if (ierr) { + return ierr; + } + value = values[0]; + return 0; +} +#endif + +// **************************************************************************** +#if defined(__APPLE__) +template <typename T> +int GetFieldsFromCommand(const char* command, const char** fieldNames, + T* values) +{ + FILE* file = popen(command, "r"); + if (file == KWSYS_NULLPTR) { + return -1; + } + std::vector<std::string> fields; + int nl = LoadLines(file, fields); + pclose(file); + if (nl == 0) { + return -1; + } + int i = 0; + while (fieldNames[i] != KWSYS_NULLPTR) { + int ierr = NameValue(fields, fieldNames[i], values[i]); + if (ierr) { + return -(i + 2); + } + i += 1; + } + return 0; +} +#endif + +// **************************************************************************** +#if !defined(_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__) +void StacktraceSignalHandler(int sigNo, siginfo_t* sigInfo, + void* /*sigContext*/) +{ +# if defined(__linux) || defined(__APPLE__) + std::ostringstream oss; + oss << std::endl + << "=========================================================" + << std::endl + << "Process id " << getpid() << " "; + switch (sigNo) { + case SIGINT: + oss << "Caught SIGINT"; + break; + + case SIGTERM: + oss << "Caught SIGTERM"; + break; + + case SIGABRT: + oss << "Caught SIGABRT"; + break; + + case SIGFPE: + oss << "Caught SIGFPE at " + << (sigInfo->si_addr == KWSYS_NULLPTR ? "0x" : "") + << sigInfo->si_addr << " "; + switch (sigInfo->si_code) { +# if defined(FPE_INTDIV) + case FPE_INTDIV: + oss << "integer division by zero"; + break; +# endif + +# if defined(FPE_INTOVF) + case FPE_INTOVF: + oss << "integer overflow"; + break; +# endif + + case FPE_FLTDIV: + oss << "floating point divide by zero"; + break; + + case FPE_FLTOVF: + oss << "floating point overflow"; + break; + + case FPE_FLTUND: + oss << "floating point underflow"; + break; + + case FPE_FLTRES: + oss << "floating point inexact result"; + break; + + case FPE_FLTINV: + oss << "floating point invalid operation"; + break; + +# if defined(FPE_FLTSUB) + case FPE_FLTSUB: + oss << "floating point subscript out of range"; + break; +# endif + + default: + oss << "code " << sigInfo->si_code; + break; + } + break; + + case SIGSEGV: + oss << "Caught SIGSEGV at " + << (sigInfo->si_addr == KWSYS_NULLPTR ? "0x" : "") + << sigInfo->si_addr << " "; + switch (sigInfo->si_code) { + case SEGV_MAPERR: + oss << "address not mapped to object"; + break; + + case SEGV_ACCERR: + oss << "invalid permission for mapped object"; + break; + + default: + oss << "code " << sigInfo->si_code; + break; + } + break; + + case SIGBUS: + oss << "Caught SIGBUS at " + << (sigInfo->si_addr == KWSYS_NULLPTR ? "0x" : "") + << sigInfo->si_addr << " "; + switch (sigInfo->si_code) { + case BUS_ADRALN: + oss << "invalid address alignment"; + break; + +# if defined(BUS_ADRERR) + case BUS_ADRERR: + oss << "nonexistent physical address"; + break; +# endif + +# if defined(BUS_OBJERR) + case BUS_OBJERR: + oss << "object-specific hardware error"; + break; +# endif + +# if defined(BUS_MCEERR_AR) + case BUS_MCEERR_AR: + oss << "Hardware memory error consumed on a machine check; action " + "required."; + break; +# endif + +# if defined(BUS_MCEERR_AO) + case BUS_MCEERR_AO: + oss << "Hardware memory error detected in process but not consumed; " + "action optional."; + break; +# endif + + default: + oss << "code " << sigInfo->si_code; + break; + } + break; + + case SIGILL: + oss << "Caught SIGILL at " + << (sigInfo->si_addr == KWSYS_NULLPTR ? "0x" : "") + << sigInfo->si_addr << " "; + switch (sigInfo->si_code) { + case ILL_ILLOPC: + oss << "illegal opcode"; + break; + +# if defined(ILL_ILLOPN) + case ILL_ILLOPN: + oss << "illegal operand"; + break; +# endif + +# if defined(ILL_ILLADR) + case ILL_ILLADR: + oss << "illegal addressing mode."; + break; +# endif + + case ILL_ILLTRP: + oss << "illegal trap"; + break; + + case ILL_PRVOPC: + oss << "privileged opcode"; + break; + +# if defined(ILL_PRVREG) + case ILL_PRVREG: + oss << "privileged register"; + break; +# endif + +# if defined(ILL_COPROC) + case ILL_COPROC: + oss << "co-processor error"; + break; +# endif + +# if defined(ILL_BADSTK) + case ILL_BADSTK: + oss << "internal stack error"; + break; +# endif + + default: + oss << "code " << sigInfo->si_code; + break; + } + break; + + default: + oss << "Caught " << sigNo << " code " << sigInfo->si_code; + break; + } + oss << std::endl + << "Program Stack:" << std::endl + << SystemInformationImplementation::GetProgramStack(2, 0) + << "=========================================================" + << std::endl; + std::cerr << oss.str() << std::endl; + + // restore the previously registered handlers + // and abort + SystemInformationImplementation::SetStackTraceOnError(0); + abort(); +# else + // avoid warning C4100 + (void)sigNo; + (void)sigInfo; +# endif +} +#endif + +#if defined(KWSYS_SYSTEMINFORMATION_HAS_BACKTRACE) +# define safes(_arg) ((_arg) ? (_arg) : "???") + +// Description: +// A container for symbol properties. Each instance +// must be Initialized. +class SymbolProperties +{ +public: + SymbolProperties(); + + // Description: + // The SymbolProperties instance must be initialized by + // passing a stack address. + void Initialize(void* address); + + // Description: + // Get the symbol's stack address. + void* GetAddress() const { return this->Address; } + + // Description: + // If not set paths will be removed. eg, from a binary + // or source file. + void SetReportPath(int rp) { this->ReportPath = rp; } + + // Description: + // Set/Get the name of the binary file that the symbol + // is found in. + void SetBinary(const char* binary) { this->Binary = safes(binary); } + + std::string GetBinary() const; + + // Description: + // Set the name of the function that the symbol is found in. + // If c++ demangling is supported it will be demangled. + void SetFunction(const char* function) + { + this->Function = this->Demangle(function); + } + + std::string GetFunction() const { return this->Function; } + + // Description: + // Set/Get the name of the source file where the symbol + // is defined. + void SetSourceFile(const char* sourcefile) + { + this->SourceFile = safes(sourcefile); + } + + std::string GetSourceFile() const + { + return this->GetFileName(this->SourceFile); + } + + // Description: + // Set/Get the line number where the symbol is defined + void SetLineNumber(long linenumber) { this->LineNumber = linenumber; } + long GetLineNumber() const { return this->LineNumber; } + + // Description: + // Set the address where the binary image is mapped + // into memory. + void SetBinaryBaseAddress(void* address) + { + this->BinaryBaseAddress = address; + } + +private: + void* GetRealAddress() const + { + return (void*)((char*)this->Address - (char*)this->BinaryBaseAddress); + } + + std::string GetFileName(const std::string& path) const; + std::string Demangle(const char* symbol) const; + +private: + std::string Binary; + void* BinaryBaseAddress; + void* Address; + std::string SourceFile; + std::string Function; + long LineNumber; + int ReportPath; +}; + +std::ostream& operator<<(std::ostream& os, const SymbolProperties& sp) +{ +# if defined(KWSYS_SYSTEMINFORMATION_HAS_SYMBOL_LOOKUP) + os << std::hex << sp.GetAddress() << " : " << sp.GetFunction() << " [(" + << sp.GetBinary() << ") " << sp.GetSourceFile() << ":" << std::dec + << sp.GetLineNumber() << "]"; +# elif defined(KWSYS_SYSTEMINFORMATION_HAS_BACKTRACE) + void* addr = sp.GetAddress(); + char** syminfo = backtrace_symbols(&addr, 1); + os << safes(syminfo[0]); + free(syminfo); +# else + (void)os; + (void)sp; +# endif + return os; +} + +SymbolProperties::SymbolProperties() +{ + // not using an initializer list + // to avoid some PGI compiler warnings + this->SetBinary("???"); + this->SetBinaryBaseAddress(KWSYS_NULLPTR); + this->Address = KWSYS_NULLPTR; + this->SetSourceFile("???"); + this->SetFunction("???"); + this->SetLineNumber(-1); + this->SetReportPath(0); + // avoid PGI compiler warnings + this->GetRealAddress(); + this->GetFunction(); + this->GetSourceFile(); + this->GetLineNumber(); +} + +std::string SymbolProperties::GetFileName(const std::string& path) const +{ + std::string file(path); + if (!this->ReportPath) { + size_t at = file.rfind("/"); + if (at != std::string::npos) { + file = file.substr(at + 1); + } + } + return file; +} + +std::string SymbolProperties::GetBinary() const +{ +// only linux has proc fs +# if defined(__linux__) + if (this->Binary == "/proc/self/exe") { + std::string binary; + char buf[1024] = { '\0' }; + ssize_t ll = 0; + if ((ll = readlink("/proc/self/exe", buf, 1024)) > 0 && ll < 1024) { + buf[ll] = '\0'; + binary = buf; + } else { + binary = "/proc/self/exe"; + } + return this->GetFileName(binary); + } +# endif + return this->GetFileName(this->Binary); +} + +std::string SymbolProperties::Demangle(const char* symbol) const +{ + std::string result = safes(symbol); +# if defined(KWSYS_SYSTEMINFORMATION_HAS_CPP_DEMANGLE) + int status = 0; + size_t bufferLen = 1024; + char* buffer = (char*)malloc(1024); + char* demangledSymbol = + abi::__cxa_demangle(symbol, buffer, &bufferLen, &status); + if (!status) { + result = demangledSymbol; + } + free(buffer); +# else + (void)symbol; +# endif + return result; +} + +void SymbolProperties::Initialize(void* address) +{ + this->Address = address; +# if defined(KWSYS_SYSTEMINFORMATION_HAS_SYMBOL_LOOKUP) + // first fallback option can demangle c++ functions + Dl_info info; + int ierr = dladdr(this->Address, &info); + if (ierr && info.dli_sname && info.dli_saddr) { + this->SetBinary(info.dli_fname); + this->SetFunction(info.dli_sname); + } +# else +// second fallback use builtin backtrace_symbols +// to decode the bactrace. +# endif +} +#endif // don't define this class if we're not using it + +#if defined(_WIN32) || defined(__CYGWIN__) +# define KWSYS_SYSTEMINFORMATION_USE_GetSystemTimes +#endif +#if defined(_MSC_VER) && _MSC_VER < 1310 +# undef KWSYS_SYSTEMINFORMATION_USE_GetSystemTimes +#endif +#if defined(KWSYS_SYSTEMINFORMATION_USE_GetSystemTimes) +double calculateCPULoad(unsigned __int64 idleTicks, + unsigned __int64 totalTicks) +{ + static double previousLoad = -0.0; + static unsigned __int64 previousIdleTicks = 0; + static unsigned __int64 previousTotalTicks = 0; + + unsigned __int64 const idleTicksSinceLastTime = + idleTicks - previousIdleTicks; + unsigned __int64 const totalTicksSinceLastTime = + totalTicks - previousTotalTicks; + + double load; + if (previousTotalTicks == 0 || totalTicksSinceLastTime == 0) { + // No new information. Use previous result. + load = previousLoad; + } else { + // Calculate load since last time. + load = 1.0 - double(idleTicksSinceLastTime) / totalTicksSinceLastTime; + + // Smooth if possible. + if (previousLoad > 0) { + load = 0.25 * load + 0.75 * previousLoad; + } + } + + previousLoad = load; + previousIdleTicks = idleTicks; + previousTotalTicks = totalTicks; + + return load; +} + +unsigned __int64 fileTimeToUInt64(FILETIME const& ft) +{ + LARGE_INTEGER out; + out.HighPart = ft.dwHighDateTime; + out.LowPart = ft.dwLowDateTime; + return out.QuadPart; +} +#endif + +} // anonymous namespace + +SystemInformationImplementation::SystemInformationImplementation() +{ + this->TotalVirtualMemory = 0; + this->AvailableVirtualMemory = 0; + this->TotalPhysicalMemory = 0; + this->AvailablePhysicalMemory = 0; + this->CurrentPositionInFile = 0; + this->ChipManufacturer = UnknownManufacturer; + memset(&this->Features, 0, sizeof(CPUFeatures)); + this->ChipID.Type = 0; + this->ChipID.Family = 0; + this->ChipID.Model = 0; + this->ChipID.Revision = 0; + this->ChipID.ExtendedFamily = 0; + this->ChipID.ExtendedModel = 0; + this->CPUSpeedInMHz = 0; + this->NumberOfLogicalCPU = 0; + this->NumberOfPhysicalCPU = 0; + this->OSName = ""; + this->Hostname = ""; + this->OSRelease = ""; + this->OSVersion = ""; + this->OSPlatform = ""; + this->OSIs64Bit = (sizeof(void*) == 8); +} + +SystemInformationImplementation::~SystemInformationImplementation() +{ +} + +void SystemInformationImplementation::RunCPUCheck() +{ +#ifdef _WIN32 + // Check to see if this processor supports CPUID. + bool supportsCPUID = DoesCPUSupportCPUID(); + + if (supportsCPUID) { + // Retrieve the CPU details. + RetrieveCPUIdentity(); + this->FindManufacturer(); + RetrieveCPUFeatures(); + } + + // These two may be called without support for the CPUID instruction. + // (But if the instruction is there, they should be called *after* + // the above call to RetrieveCPUIdentity... that's why the two if + // blocks exist with the same "if (supportsCPUID)" logic... + // + if (!RetrieveCPUClockSpeed()) { + RetrieveClassicalCPUClockSpeed(); + } + + if (supportsCPUID) { + // Retrieve cache information. + if (!RetrieveCPUCacheDetails()) { + RetrieveClassicalCPUCacheDetails(); + } + + // Retrieve the extended CPU details. + if (!RetrieveExtendedCPUIdentity()) { + RetrieveClassicalCPUIdentity(); + } + + RetrieveExtendedCPUFeatures(); + RetrieveCPUPowerManagement(); + + // Now attempt to retrieve the serial number (if possible). + RetrieveProcessorSerialNumber(); + } + + this->CPUCountWindows(); + +#elif defined(__APPLE__) + this->ParseSysCtl(); +#elif defined(__SVR4) && defined(__sun) + this->QuerySolarisProcessor(); +#elif defined(__HAIKU__) + this->QueryHaikuInfo(); +#elif defined(__QNX__) + this->QueryQNXProcessor(); +#elif defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) || \ + defined(__DragonFly__) + this->QueryBSDProcessor(); +#elif defined(__hpux) + this->QueryHPUXProcessor(); +#elif defined(__linux) || defined(__CYGWIN__) + this->RetreiveInformationFromCpuInfoFile(); +#else + this->QueryProcessor(); +#endif +} + +void SystemInformationImplementation::RunOSCheck() +{ + this->QueryOSInformation(); +} + +void SystemInformationImplementation::RunMemoryCheck() +{ +#if defined(__APPLE__) + this->ParseSysCtl(); +#elif defined(__SVR4) && defined(__sun) + this->QuerySolarisMemory(); +#elif defined(__HAIKU__) + this->QueryHaikuInfo(); +#elif defined(__QNX__) + this->QueryQNXMemory(); +#elif defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) || \ + defined(__DragonFly__) + this->QueryBSDMemory(); +#elif defined(__CYGWIN__) + this->QueryCygwinMemory(); +#elif defined(_WIN32) + this->QueryWindowsMemory(); +#elif defined(__hpux) + this->QueryHPUXMemory(); +#elif defined(__linux) + this->QueryLinuxMemory(); +#elif defined(_AIX) + this->QueryAIXMemory(); +#else + this->QueryMemory(); +#endif +} + +/** Get the vendor string */ +const char* SystemInformationImplementation::GetVendorString() +{ + return this->ChipID.Vendor.c_str(); +} + +/** Get the OS Name */ +const char* SystemInformationImplementation::GetOSName() +{ + return this->OSName.c_str(); +} + +/** Get the hostname */ +const char* SystemInformationImplementation::GetHostname() +{ + if (this->Hostname.empty()) { + this->Hostname = "localhost"; +#if defined(_WIN32) + WORD wVersionRequested; + WSADATA wsaData; + char name[255]; + wVersionRequested = MAKEWORD(2, 0); + if (WSAStartup(wVersionRequested, &wsaData) == 0) { + gethostname(name, sizeof(name)); + WSACleanup(); + } + this->Hostname = name; +#else + struct utsname unameInfo; + int errorFlag = uname(&unameInfo); + if (errorFlag == 0) { + this->Hostname = unameInfo.nodename; + } +#endif + } + return this->Hostname.c_str(); +} + +/** Get the FQDN */ +int SystemInformationImplementation::GetFullyQualifiedDomainName( + std::string& fqdn) +{ + // in the event of absolute failure return localhost. + fqdn = "localhost"; + +#if defined(_WIN32) + int ierr; + // TODO - a more robust implementation for windows, see comments + // in unix implementation. + WSADATA wsaData; + WORD ver = MAKEWORD(2, 0); + ierr = WSAStartup(ver, &wsaData); + if (ierr) { + return -1; + } + + char base[256] = { '\0' }; + ierr = gethostname(base, 256); + if (ierr) { + WSACleanup(); + return -2; + } + fqdn = base; + + HOSTENT* hent = gethostbyname(base); + if (hent) { + fqdn = hent->h_name; + } + + WSACleanup(); + return 0; + +#elif defined(KWSYS_SYSTEMINFORMATION_IMPLEMENT_FQDN) + // gethostname typical returns an alias for loopback interface + // we want the fully qualified domain name. Because there are + // any number of interfaces on this system we look for the + // first of these that contains the name returned by gethostname + // and is longer. failing that we return gethostname and indicate + // with a failure code. Return of a failure code is not necessarily + // an indication of an error. for instance gethostname may return + // the fully qualified domain name, or there may not be one if the + // system lives on a private network such as in the case of a cluster + // node. + + int ierr = 0; + char base[NI_MAXHOST]; + ierr = gethostname(base, NI_MAXHOST); + if (ierr) { + return -1; + } + size_t baseSize = strlen(base); + fqdn = base; + + struct ifaddrs* ifas; + struct ifaddrs* ifa; + ierr = getifaddrs(&ifas); + if (ierr) { + return -2; + } + + for (ifa = ifas; ifa != KWSYS_NULLPTR; ifa = ifa->ifa_next) { + int fam = ifa->ifa_addr ? ifa->ifa_addr->sa_family : -1; + // Skip Loopback interfaces + if (((fam == AF_INET) || (fam == AF_INET6)) && + !(ifa->ifa_flags & IFF_LOOPBACK)) { + char host[NI_MAXHOST] = { '\0' }; + + const size_t addrlen = (fam == AF_INET ? sizeof(struct sockaddr_in) + : sizeof(struct sockaddr_in6)); + + ierr = getnameinfo(ifa->ifa_addr, static_cast<socklen_t>(addrlen), host, + NI_MAXHOST, KWSYS_NULLPTR, 0, NI_NAMEREQD); + if (ierr) { + // don't report the failure now since we may succeed on another + // interface. If all attempts fail then return the failure code. + ierr = -3; + continue; + } + + std::string candidate = host; + if ((candidate.find(base) != std::string::npos) && + baseSize < candidate.size()) { + // success, stop now. + ierr = 0; + fqdn = candidate; + break; + } + } + } + freeifaddrs(ifas); + + return ierr; +#else + /* TODO: Implement on more platforms. */ + fqdn = this->GetHostname(); + return -1; +#endif +} + +/** Get the OS release */ +const char* SystemInformationImplementation::GetOSRelease() +{ + return this->OSRelease.c_str(); +} + +/** Get the OS version */ +const char* SystemInformationImplementation::GetOSVersion() +{ + return this->OSVersion.c_str(); +} + +/** Get the OS platform */ +const char* SystemInformationImplementation::GetOSPlatform() +{ + return this->OSPlatform.c_str(); +} + +/** Get the vendor ID */ +const char* SystemInformationImplementation::GetVendorID() +{ + // Return the vendor ID. + switch (this->ChipManufacturer) { + case Intel: + return "Intel Corporation"; + case AMD: + return "Advanced Micro Devices"; + case NSC: + return "National Semiconductor"; + case Cyrix: + return "Cyrix Corp., VIA Inc."; + case NexGen: + return "NexGen Inc., Advanced Micro Devices"; + case IDT: + return "IDT\\Centaur, Via Inc."; + case UMC: + return "United Microelectronics Corp."; + case Rise: + return "Rise"; + case Transmeta: + return "Transmeta"; + case Sun: + return "Sun Microelectronics"; + case IBM: + return "IBM"; + case Motorola: + return "Motorola"; + case HP: + return "Hewlett-Packard"; + case UnknownManufacturer: + default: + return "Unknown Manufacturer"; + } +} + +/** Return the type ID of the CPU */ +std::string SystemInformationImplementation::GetTypeID() +{ + std::ostringstream str; + str << this->ChipID.Type; + return str.str(); +} + +/** Return the family of the CPU present */ +std::string SystemInformationImplementation::GetFamilyID() +{ + std::ostringstream str; + str << this->ChipID.Family; + return str.str(); +} + +// Return the model of CPU present */ +std::string SystemInformationImplementation::GetModelID() +{ + std::ostringstream str; + str << this->ChipID.Model; + return str.str(); +} + +// Return the model name of CPU present */ +std::string SystemInformationImplementation::GetModelName() +{ + return this->ChipID.ModelName; +} + +/** Return the stepping code of the CPU present. */ +std::string SystemInformationImplementation::GetSteppingCode() +{ + std::ostringstream str; + str << this->ChipID.Revision; + return str.str(); +} + +/** Return the stepping code of the CPU present. */ +const char* SystemInformationImplementation::GetExtendedProcessorName() +{ + 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() +{ + return this->ChipID.SerialNumber.c_str(); +} + +/** Return the logical processors per physical */ +unsigned int SystemInformationImplementation::GetLogicalProcessorsPerPhysical() +{ + return this->Features.ExtendedFeatures.LogicalProcessorsPerPhysical; +} + +/** Return the processor clock frequency. */ +float SystemInformationImplementation::GetProcessorClockFrequency() +{ + return this->CPUSpeedInMHz; +} + +/** Return the APIC ID. */ +int SystemInformationImplementation::GetProcessorAPICID() +{ + return this->Features.ExtendedFeatures.APIC_ID; +} + +/** Return the L1 cache size. */ +int SystemInformationImplementation::GetProcessorCacheSize() +{ + return this->Features.L1CacheSize; +} + +/** Return the chosen cache size. */ +int SystemInformationImplementation::GetProcessorCacheXSize(long int dwCacheID) +{ + switch (dwCacheID) { + case SystemInformation::CPU_FEATURE_L1CACHE: + return this->Features.L1CacheSize; + case SystemInformation::CPU_FEATURE_L2CACHE: + return this->Features.L2CacheSize; + case SystemInformation::CPU_FEATURE_L3CACHE: + return this->Features.L3CacheSize; + } + return -1; +} + +bool SystemInformationImplementation::DoesCPUSupportFeature(long int dwFeature) +{ + bool bHasFeature = false; + + // Check for MMX instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_MMX) != 0) && + this->Features.HasMMX) + bHasFeature = true; + + // Check for MMX+ instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_MMX_PLUS) != 0) && + this->Features.ExtendedFeatures.HasMMXPlus) + bHasFeature = true; + + // Check for SSE FP instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_SSE) != 0) && + this->Features.HasSSE) + bHasFeature = true; + + // Check for SSE FP instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_SSE_FP) != 0) && + this->Features.HasSSEFP) + bHasFeature = true; + + // Check for SSE MMX instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_SSE_MMX) != 0) && + this->Features.ExtendedFeatures.HasSSEMMX) + bHasFeature = true; + + // Check for SSE2 instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_SSE2) != 0) && + this->Features.HasSSE2) + bHasFeature = true; + + // Check for 3DNow! instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_AMD_3DNOW) != 0) && + this->Features.ExtendedFeatures.Has3DNow) + bHasFeature = true; + + // Check for 3DNow+ instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_AMD_3DNOW_PLUS) != 0) && + this->Features.ExtendedFeatures.Has3DNowPlus) + bHasFeature = true; + + // Check for IA64 instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_IA64) != 0) && + this->Features.HasIA64) + bHasFeature = true; + + // Check for MP capable. + if (((dwFeature & SystemInformation::CPU_FEATURE_MP_CAPABLE) != 0) && + this->Features.ExtendedFeatures.SupportsMP) + bHasFeature = true; + + // Check for a serial number for the processor. + if (((dwFeature & SystemInformation::CPU_FEATURE_SERIALNUMBER) != 0) && + this->Features.HasSerial) + bHasFeature = true; + + // Check for a local APIC in the processor. + if (((dwFeature & SystemInformation::CPU_FEATURE_APIC) != 0) && + this->Features.HasAPIC) + bHasFeature = true; + + // Check for CMOV instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_CMOV) != 0) && + this->Features.HasCMOV) + bHasFeature = true; + + // Check for MTRR instructions. + if (((dwFeature & SystemInformation::CPU_FEATURE_MTRR) != 0) && + this->Features.HasMTRR) + bHasFeature = true; + + // Check for L1 cache size. + if (((dwFeature & SystemInformation::CPU_FEATURE_L1CACHE) != 0) && + (this->Features.L1CacheSize != -1)) + bHasFeature = true; + + // Check for L2 cache size. + if (((dwFeature & SystemInformation::CPU_FEATURE_L2CACHE) != 0) && + (this->Features.L2CacheSize != -1)) + bHasFeature = true; + + // Check for L3 cache size. + if (((dwFeature & SystemInformation::CPU_FEATURE_L3CACHE) != 0) && + (this->Features.L3CacheSize != -1)) + bHasFeature = true; + + // Check for ACPI capability. + if (((dwFeature & SystemInformation::CPU_FEATURE_ACPI) != 0) && + this->Features.HasACPI) + bHasFeature = true; + + // Check for thermal monitor support. + if (((dwFeature & SystemInformation::CPU_FEATURE_THERMALMONITOR) != 0) && + this->Features.HasThermal) + bHasFeature = true; + + // Check for temperature sensing diode support. + if (((dwFeature & SystemInformation::CPU_FEATURE_TEMPSENSEDIODE) != 0) && + this->Features.ExtendedFeatures.PowerManagement.HasTempSenseDiode) + bHasFeature = true; + + // Check for frequency ID support. + if (((dwFeature & SystemInformation::CPU_FEATURE_FREQUENCYID) != 0) && + this->Features.ExtendedFeatures.PowerManagement.HasFrequencyID) + bHasFeature = true; + + // Check for voltage ID support. + if (((dwFeature & SystemInformation::CPU_FEATURE_VOLTAGEID_FREQUENCY) != + 0) && + this->Features.ExtendedFeatures.PowerManagement.HasVoltageID) + bHasFeature = true; + + // Check for FPU support. + if (((dwFeature & SystemInformation::CPU_FEATURE_FPU) != 0) && + this->Features.HasFPU) + bHasFeature = true; + + return bHasFeature; +} + +void SystemInformationImplementation::Delay(unsigned int uiMS) +{ +#ifdef _WIN32 + LARGE_INTEGER Frequency, StartCounter, EndCounter; + __int64 x; + + // Get the frequency of the high performance counter. + if (!QueryPerformanceFrequency(&Frequency)) + return; + x = Frequency.QuadPart / 1000 * uiMS; + + // Get the starting position of the counter. + QueryPerformanceCounter(&StartCounter); + + do { + // Get the ending position of the counter. + QueryPerformanceCounter(&EndCounter); + } while (EndCounter.QuadPart - StartCounter.QuadPart < x); +#endif + (void)uiMS; +} + +bool SystemInformationImplementation::DoesCPUSupportCPUID() +{ +#if USE_CPUID + int dummy[4] = { 0, 0, 0, 0 }; + +# if USE_ASM_INSTRUCTIONS + return call_cpuid(0, dummy); +# else + call_cpuid(0, dummy); + return dummy[0] || dummy[1] || dummy[2] || dummy[3]; +# endif +#else + // Assume no cpuid instruction. + return false; +#endif +} + +bool SystemInformationImplementation::RetrieveCPUFeatures() +{ +#if USE_CPUID + int cpuinfo[4] = { 0, 0, 0, 0 }; + + if (!call_cpuid(1, cpuinfo)) { + return false; + } + + // Retrieve the features of CPU present. + this->Features.HasFPU = + ((cpuinfo[3] & 0x00000001) != 0); // FPU Present --> Bit 0 + this->Features.HasTSC = + ((cpuinfo[3] & 0x00000010) != 0); // TSC Present --> Bit 4 + this->Features.HasAPIC = + ((cpuinfo[3] & 0x00000200) != 0); // APIC Present --> Bit 9 + this->Features.HasMTRR = + ((cpuinfo[3] & 0x00001000) != 0); // MTRR Present --> Bit 12 + this->Features.HasCMOV = + ((cpuinfo[3] & 0x00008000) != 0); // CMOV Present --> Bit 15 + this->Features.HasSerial = + ((cpuinfo[3] & 0x00040000) != 0); // Serial Present --> Bit 18 + this->Features.HasACPI = + ((cpuinfo[3] & 0x00400000) != 0); // ACPI Capable --> Bit 22 + this->Features.HasMMX = + ((cpuinfo[3] & 0x00800000) != 0); // MMX Present --> Bit 23 + this->Features.HasSSE = + ((cpuinfo[3] & 0x02000000) != 0); // SSE Present --> Bit 25 + this->Features.HasSSE2 = + ((cpuinfo[3] & 0x04000000) != 0); // SSE2 Present --> Bit 26 + this->Features.HasThermal = + ((cpuinfo[3] & 0x20000000) != 0); // Thermal Monitor Present --> Bit 29 + this->Features.HasIA64 = + ((cpuinfo[3] & 0x40000000) != 0); // IA64 Present --> Bit 30 + +# if USE_ASM_INSTRUCTIONS + // Retrieve extended SSE capabilities if SSE is available. + if (this->Features.HasSSE) { + + // Attempt to __try some SSE FP instructions. + __try { + // Perform: orps xmm0, xmm0 + _asm + { + _emit 0x0f + _emit 0x56 + _emit 0xc0 + } + + // SSE FP capable processor. + this->Features.HasSSEFP = true; + } __except (1) { + // bad instruction - processor or OS cannot handle SSE FP. + this->Features.HasSSEFP = false; + } + } else { + // Set the advanced SSE capabilities to not available. + this->Features.HasSSEFP = false; + } +# else + this->Features.HasSSEFP = false; +# endif + + // Retrieve Intel specific extended features. + if (this->ChipManufacturer == Intel) { + bool SupportsSMT = + ((cpuinfo[3] & 0x10000000) != 0); // Intel specific: SMT --> Bit 28 + + if ((SupportsSMT) && (this->Features.HasAPIC)) { + // Retrieve APIC information if there is one present. + this->Features.ExtendedFeatures.APIC_ID = + ((cpuinfo[1] & 0xFF000000) >> 24); + } + } + + return true; + +#else + return false; +#endif +} + +/** Find the manufacturer given the vendor id */ +void SystemInformationImplementation::FindManufacturer( + const std::string& family) +{ + if (this->ChipID.Vendor == "GenuineIntel") + this->ChipManufacturer = Intel; // Intel Corp. + else if (this->ChipID.Vendor == "UMC UMC UMC ") + this->ChipManufacturer = UMC; // United Microelectronics Corp. + else if (this->ChipID.Vendor == "AuthenticAMD") + this->ChipManufacturer = AMD; // Advanced Micro Devices + else if (this->ChipID.Vendor == "AMD ISBETTER") + this->ChipManufacturer = AMD; // Advanced Micro Devices (1994) + else if (this->ChipID.Vendor == "CyrixInstead") + this->ChipManufacturer = Cyrix; // Cyrix Corp., VIA Inc. + else if (this->ChipID.Vendor == "NexGenDriven") + this->ChipManufacturer = NexGen; // NexGen Inc. (now AMD) + else if (this->ChipID.Vendor == "CentaurHauls") + this->ChipManufacturer = IDT; // IDT/Centaur (now VIA) + else if (this->ChipID.Vendor == "RiseRiseRise") + this->ChipManufacturer = Rise; // Rise + else if (this->ChipID.Vendor == "GenuineTMx86") + this->ChipManufacturer = Transmeta; // Transmeta + else if (this->ChipID.Vendor == "TransmetaCPU") + this->ChipManufacturer = Transmeta; // Transmeta + else if (this->ChipID.Vendor == "Geode By NSC") + this->ChipManufacturer = NSC; // National Semiconductor + else if (this->ChipID.Vendor == "Sun") + this->ChipManufacturer = Sun; // Sun Microelectronics + else if (this->ChipID.Vendor == "IBM") + this->ChipManufacturer = IBM; // IBM Microelectronics + else if (this->ChipID.Vendor == "Hewlett-Packard") + this->ChipManufacturer = HP; // Hewlett-Packard + else if (this->ChipID.Vendor == "Motorola") + this->ChipManufacturer = Motorola; // Motorola Microelectronics + else if (family.substr(0, 7) == "PA-RISC") + this->ChipManufacturer = HP; // Hewlett-Packard + else + this->ChipManufacturer = UnknownManufacturer; // Unknown manufacturer +} + +/** */ +bool SystemInformationImplementation::RetrieveCPUIdentity() +{ +#if USE_CPUID + int localCPUVendor[4]; + int localCPUSignature[4]; + + if (!call_cpuid(0, localCPUVendor)) { + return false; + } + if (!call_cpuid(1, localCPUSignature)) { + return false; + } + + // Process the returned information. + // ; eax = 0 --> eax: maximum value of CPUID instruction. + // ; ebx: part 1 of 3; CPU signature. + // ; edx: part 2 of 3; CPU signature. + // ; ecx: part 3 of 3; CPU signature. + char vbuf[13]; + memcpy(&(vbuf[0]), &(localCPUVendor[1]), sizeof(int)); + memcpy(&(vbuf[4]), &(localCPUVendor[3]), sizeof(int)); + memcpy(&(vbuf[8]), &(localCPUVendor[2]), sizeof(int)); + vbuf[12] = '\0'; + this->ChipID.Vendor = vbuf; + + // Retrieve the family of CPU present. + // ; eax = 1 --> eax: CPU ID - bits 31..16 - unused, bits 15..12 - type, + // bits 11..8 - family, bits 7..4 - model, bits 3..0 - mask revision + // ; ebx: 31..24 - default APIC ID, 23..16 - logical processor ID, + // 15..8 - CFLUSH chunk size , 7..0 - brand ID + // ; edx: CPU feature flags + this->ChipID.ExtendedFamily = + ((localCPUSignature[0] & 0x0FF00000) >> 20); // Bits 27..20 Used + this->ChipID.ExtendedModel = + ((localCPUSignature[0] & 0x000F0000) >> 16); // Bits 19..16 Used + this->ChipID.Type = + ((localCPUSignature[0] & 0x0000F000) >> 12); // Bits 15..12 Used + this->ChipID.Family = + ((localCPUSignature[0] & 0x00000F00) >> 8); // Bits 11..8 Used + this->ChipID.Model = + ((localCPUSignature[0] & 0x000000F0) >> 4); // Bits 7..4 Used + this->ChipID.Revision = + ((localCPUSignature[0] & 0x0000000F) >> 0); // Bits 3..0 Used + + return true; + +#else + return false; +#endif +} + +/** */ +bool SystemInformationImplementation::RetrieveCPUCacheDetails() +{ +#if USE_CPUID + int L1Cache[4] = { 0, 0, 0, 0 }; + int L2Cache[4] = { 0, 0, 0, 0 }; + + // Check to see if what we are about to do is supported... + if (RetrieveCPUExtendedLevelSupport(0x80000005)) { + if (!call_cpuid(0x80000005, L1Cache)) { + return false; + } + // Save the L1 data cache size (in KB) from ecx: bits 31..24 as well as + // data cache size from edx: bits 31..24. + this->Features.L1CacheSize = ((L1Cache[2] & 0xFF000000) >> 24); + this->Features.L1CacheSize += ((L1Cache[3] & 0xFF000000) >> 24); + } else { + // Store -1 to indicate the cache could not be queried. + this->Features.L1CacheSize = -1; + } + + // Check to see if what we are about to do is supported... + if (RetrieveCPUExtendedLevelSupport(0x80000006)) { + if (!call_cpuid(0x80000006, L2Cache)) { + return false; + } + // Save the L2 unified cache size (in KB) from ecx: bits 31..16. + this->Features.L2CacheSize = ((L2Cache[2] & 0xFFFF0000) >> 16); + } else { + // Store -1 to indicate the cache could not be queried. + this->Features.L2CacheSize = -1; + } + + // Define L3 as being not present as we cannot test for it. + this->Features.L3CacheSize = -1; + +#endif + + // Return failure if we cannot detect either cache with this method. + return ((this->Features.L1CacheSize == -1) && + (this->Features.L2CacheSize == -1)) + ? false + : true; +} + +/** */ +bool SystemInformationImplementation::RetrieveClassicalCPUCacheDetails() +{ +#if USE_CPUID + int TLBCode = -1, TLBData = -1, L1Code = -1, L1Data = -1, L1Trace = -1, + L2Unified = -1, L3Unified = -1; + int TLBCacheData[4] = { 0, 0, 0, 0 }; + int TLBPassCounter = 0; + int TLBCacheUnit = 0; + + do { + if (!call_cpuid(2, TLBCacheData)) { + return false; + } + + int bob = ((TLBCacheData[0] & 0x00FF0000) >> 16); + (void)bob; + // Process the returned TLB and cache information. + for (int nCounter = 0; nCounter < TLBCACHE_INFO_UNITS; nCounter++) { + // First of all - decide which unit we are dealing with. + switch (nCounter) { + // eax: bits 8..15 : bits 16..23 : bits 24..31 + case 0: + TLBCacheUnit = ((TLBCacheData[0] & 0x0000FF00) >> 8); + break; + case 1: + TLBCacheUnit = ((TLBCacheData[0] & 0x00FF0000) >> 16); + break; + case 2: + TLBCacheUnit = ((TLBCacheData[0] & 0xFF000000) >> 24); + break; + + // ebx: bits 0..7 : bits 8..15 : bits 16..23 : bits 24..31 + case 3: + TLBCacheUnit = ((TLBCacheData[1] & 0x000000FF) >> 0); + break; + case 4: + TLBCacheUnit = ((TLBCacheData[1] & 0x0000FF00) >> 8); + break; + case 5: + TLBCacheUnit = ((TLBCacheData[1] & 0x00FF0000) >> 16); + break; + case 6: + TLBCacheUnit = ((TLBCacheData[1] & 0xFF000000) >> 24); + break; + + // ecx: bits 0..7 : bits 8..15 : bits 16..23 : bits 24..31 + case 7: + TLBCacheUnit = ((TLBCacheData[2] & 0x000000FF) >> 0); + break; + case 8: + TLBCacheUnit = ((TLBCacheData[2] & 0x0000FF00) >> 8); + break; + case 9: + TLBCacheUnit = ((TLBCacheData[2] & 0x00FF0000) >> 16); + break; + case 10: + TLBCacheUnit = ((TLBCacheData[2] & 0xFF000000) >> 24); + break; + + // edx: bits 0..7 : bits 8..15 : bits 16..23 : bits 24..31 + case 11: + TLBCacheUnit = ((TLBCacheData[3] & 0x000000FF) >> 0); + break; + case 12: + TLBCacheUnit = ((TLBCacheData[3] & 0x0000FF00) >> 8); + break; + case 13: + TLBCacheUnit = ((TLBCacheData[3] & 0x00FF0000) >> 16); + break; + case 14: + TLBCacheUnit = ((TLBCacheData[3] & 0xFF000000) >> 24); + break; + + // Default case - an error has occurred. + default: + return false; + } + + // Now process the resulting unit to see what it means.... + switch (TLBCacheUnit) { + case 0x00: + break; + case 0x01: + STORE_TLBCACHE_INFO(TLBCode, 4); + break; + case 0x02: + STORE_TLBCACHE_INFO(TLBCode, 4096); + break; + case 0x03: + STORE_TLBCACHE_INFO(TLBData, 4); + break; + case 0x04: + STORE_TLBCACHE_INFO(TLBData, 4096); + break; + case 0x06: + STORE_TLBCACHE_INFO(L1Code, 8); + break; + case 0x08: + STORE_TLBCACHE_INFO(L1Code, 16); + break; + case 0x0a: + STORE_TLBCACHE_INFO(L1Data, 8); + break; + case 0x0c: + STORE_TLBCACHE_INFO(L1Data, 16); + break; + case 0x10: + STORE_TLBCACHE_INFO(L1Data, 16); + break; // <-- FIXME: IA-64 Only + case 0x15: + STORE_TLBCACHE_INFO(L1Code, 16); + break; // <-- FIXME: IA-64 Only + case 0x1a: + STORE_TLBCACHE_INFO(L2Unified, 96); + break; // <-- FIXME: IA-64 Only + case 0x22: + STORE_TLBCACHE_INFO(L3Unified, 512); + break; + case 0x23: + STORE_TLBCACHE_INFO(L3Unified, 1024); + break; + case 0x25: + STORE_TLBCACHE_INFO(L3Unified, 2048); + break; + case 0x29: + STORE_TLBCACHE_INFO(L3Unified, 4096); + break; + case 0x39: + STORE_TLBCACHE_INFO(L2Unified, 128); + break; + case 0x3c: + STORE_TLBCACHE_INFO(L2Unified, 256); + break; + case 0x40: + STORE_TLBCACHE_INFO(L2Unified, 0); + break; // <-- FIXME: No integrated L2 cache (P6 core) or L3 cache (P4 + // core). + case 0x41: + STORE_TLBCACHE_INFO(L2Unified, 128); + break; + case 0x42: + STORE_TLBCACHE_INFO(L2Unified, 256); + break; + case 0x43: + STORE_TLBCACHE_INFO(L2Unified, 512); + break; + case 0x44: + STORE_TLBCACHE_INFO(L2Unified, 1024); + break; + case 0x45: + STORE_TLBCACHE_INFO(L2Unified, 2048); + break; + case 0x50: + STORE_TLBCACHE_INFO(TLBCode, 4096); + break; + case 0x51: + STORE_TLBCACHE_INFO(TLBCode, 4096); + break; + case 0x52: + STORE_TLBCACHE_INFO(TLBCode, 4096); + break; + case 0x5b: + STORE_TLBCACHE_INFO(TLBData, 4096); + break; + case 0x5c: + STORE_TLBCACHE_INFO(TLBData, 4096); + break; + case 0x5d: + STORE_TLBCACHE_INFO(TLBData, 4096); + break; + case 0x66: + STORE_TLBCACHE_INFO(L1Data, 8); + break; + case 0x67: + STORE_TLBCACHE_INFO(L1Data, 16); + break; + case 0x68: + STORE_TLBCACHE_INFO(L1Data, 32); + break; + case 0x70: + STORE_TLBCACHE_INFO(L1Trace, 12); + break; + case 0x71: + STORE_TLBCACHE_INFO(L1Trace, 16); + break; + case 0x72: + STORE_TLBCACHE_INFO(L1Trace, 32); + break; + case 0x77: + STORE_TLBCACHE_INFO(L1Code, 16); + break; // <-- FIXME: IA-64 Only + case 0x79: + STORE_TLBCACHE_INFO(L2Unified, 128); + break; + case 0x7a: + STORE_TLBCACHE_INFO(L2Unified, 256); + break; + case 0x7b: + STORE_TLBCACHE_INFO(L2Unified, 512); + break; + case 0x7c: + STORE_TLBCACHE_INFO(L2Unified, 1024); + break; + case 0x7e: + STORE_TLBCACHE_INFO(L2Unified, 256); + break; + case 0x81: + STORE_TLBCACHE_INFO(L2Unified, 128); + break; + case 0x82: + STORE_TLBCACHE_INFO(L2Unified, 256); + break; + case 0x83: + STORE_TLBCACHE_INFO(L2Unified, 512); + break; + case 0x84: + STORE_TLBCACHE_INFO(L2Unified, 1024); + break; + case 0x85: + STORE_TLBCACHE_INFO(L2Unified, 2048); + break; + case 0x88: + STORE_TLBCACHE_INFO(L3Unified, 2048); + break; // <-- FIXME: IA-64 Only + case 0x89: + STORE_TLBCACHE_INFO(L3Unified, 4096); + break; // <-- FIXME: IA-64 Only + case 0x8a: + STORE_TLBCACHE_INFO(L3Unified, 8192); + break; // <-- FIXME: IA-64 Only + case 0x8d: + STORE_TLBCACHE_INFO(L3Unified, 3096); + break; // <-- FIXME: IA-64 Only + case 0x90: + STORE_TLBCACHE_INFO(TLBCode, 262144); + break; // <-- FIXME: IA-64 Only + case 0x96: + STORE_TLBCACHE_INFO(TLBCode, 262144); + break; // <-- FIXME: IA-64 Only + case 0x9b: + STORE_TLBCACHE_INFO(TLBCode, 262144); + break; // <-- FIXME: IA-64 Only + + // Default case - an error has occurred. + default: + return false; + } + } + + // Increment the TLB pass counter. + TLBPassCounter++; + } while ((TLBCacheData[0] & 0x000000FF) > TLBPassCounter); + + // Ok - we now have the maximum TLB, L1, L2, and L3 sizes... + if ((L1Code == -1) && (L1Data == -1) && (L1Trace == -1)) { + this->Features.L1CacheSize = -1; + } else if ((L1Code == -1) && (L1Data == -1) && (L1Trace != -1)) { + this->Features.L1CacheSize = L1Trace; + } else if ((L1Code != -1) && (L1Data == -1)) { + this->Features.L1CacheSize = L1Code; + } else if ((L1Code == -1) && (L1Data != -1)) { + this->Features.L1CacheSize = L1Data; + } else if ((L1Code != -1) && (L1Data != -1)) { + this->Features.L1CacheSize = L1Code + L1Data; + } else { + this->Features.L1CacheSize = -1; + } + + // Ok - we now have the maximum TLB, L1, L2, and L3 sizes... + if (L2Unified == -1) { + this->Features.L2CacheSize = -1; + } else { + this->Features.L2CacheSize = L2Unified; + } + + // Ok - we now have the maximum TLB, L1, L2, and L3 sizes... + if (L3Unified == -1) { + this->Features.L3CacheSize = -1; + } else { + this->Features.L3CacheSize = L3Unified; + } + + return true; + +#else + return false; +#endif +} + +/** */ +bool SystemInformationImplementation::RetrieveCPUClockSpeed() +{ + bool retrieved = false; + +#if defined(_WIN32) + unsigned int uiRepetitions = 1; + unsigned int uiMSecPerRepetition = 50; + __int64 i64Total = 0; + __int64 i64Overhead = 0; + + // Check if the TSC implementation works at all + if (this->Features.HasTSC && + GetCyclesDifference(SystemInformationImplementation::Delay, + uiMSecPerRepetition) > 0) { + for (unsigned int nCounter = 0; nCounter < uiRepetitions; nCounter++) { + i64Total += GetCyclesDifference(SystemInformationImplementation::Delay, + uiMSecPerRepetition); + i64Overhead += GetCyclesDifference( + SystemInformationImplementation::DelayOverhead, uiMSecPerRepetition); + } + + // Calculate the MHz speed. + i64Total -= i64Overhead; + i64Total /= uiRepetitions; + i64Total /= uiMSecPerRepetition; + i64Total /= 1000; + + // Save the CPU speed. + this->CPUSpeedInMHz = (float)i64Total; + + retrieved = true; + } + + // If RDTSC is not supported, we fallback to trying to read this value + // from the registry: + if (!retrieved) { + HKEY hKey = NULL; + LONG err = + RegOpenKeyExW(HKEY_LOCAL_MACHINE, + L"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0", 0, + KEY_READ, &hKey); + + if (ERROR_SUCCESS == err) { + DWORD dwType = 0; + DWORD data = 0; + DWORD dwSize = sizeof(DWORD); + + err = + RegQueryValueExW(hKey, L"~MHz", 0, &dwType, (LPBYTE)&data, &dwSize); + + if (ERROR_SUCCESS == err) { + this->CPUSpeedInMHz = (float)data; + retrieved = true; + } + + RegCloseKey(hKey); + hKey = NULL; + } + } +#endif + + return retrieved; +} + +/** */ +bool SystemInformationImplementation::RetrieveClassicalCPUClockSpeed() +{ +#if USE_ASM_INSTRUCTIONS + LARGE_INTEGER liStart, liEnd, liCountsPerSecond; + double dFrequency, dDifference; + + // Attempt to get a starting tick count. + QueryPerformanceCounter(&liStart); + + __try { + _asm { + mov eax, 0x80000000 + mov ebx, CLASSICAL_CPU_FREQ_LOOP + Timer_Loop: + bsf ecx,eax + dec ebx + jnz Timer_Loop + } + } __except (1) { + return false; + } + + // Attempt to get a starting tick count. + QueryPerformanceCounter(&liEnd); + + // Get the difference... NB: This is in seconds.... + QueryPerformanceFrequency(&liCountsPerSecond); + dDifference = (((double)liEnd.QuadPart - (double)liStart.QuadPart) / + (double)liCountsPerSecond.QuadPart); + + // Calculate the clock speed. + if (this->ChipID.Family == 3) { + // 80386 processors.... Loop time is 115 cycles! + dFrequency = (((CLASSICAL_CPU_FREQ_LOOP * 115) / dDifference) / 1000000); + } else if (this->ChipID.Family == 4) { + // 80486 processors.... Loop time is 47 cycles! + dFrequency = (((CLASSICAL_CPU_FREQ_LOOP * 47) / dDifference) / 1000000); + } else if (this->ChipID.Family == 5) { + // Pentium processors.... Loop time is 43 cycles! + dFrequency = (((CLASSICAL_CPU_FREQ_LOOP * 43) / dDifference) / 1000000); + } + + // Save the clock speed. + this->Features.CPUSpeed = (int)dFrequency; + + return true; + +#else + return false; +#endif +} + +/** */ +bool SystemInformationImplementation::RetrieveCPUExtendedLevelSupport( + int CPULevelToCheck) +{ + int cpuinfo[4] = { 0, 0, 0, 0 }; + + // The extended CPUID is supported by various vendors starting with the + // following CPU models: + // + // Manufacturer & Chip Name | Family Model Revision + // + // AMD K6, K6-2 | 5 6 x + // Cyrix GXm, Cyrix III "Joshua" | 5 4 x + // IDT C6-2 | 5 8 x + // VIA Cyrix III | 6 5 x + // Transmeta Crusoe | 5 x x + // Intel Pentium 4 | f x x + // + + // We check to see if a supported processor is present... + if (this->ChipManufacturer == AMD) { + if (this->ChipID.Family < 5) + return false; + if ((this->ChipID.Family == 5) && (this->ChipID.Model < 6)) + return false; + } else if (this->ChipManufacturer == Cyrix) { + if (this->ChipID.Family < 5) + return false; + if ((this->ChipID.Family == 5) && (this->ChipID.Model < 4)) + return false; + if ((this->ChipID.Family == 6) && (this->ChipID.Model < 5)) + return false; + } else if (this->ChipManufacturer == IDT) { + if (this->ChipID.Family < 5) + return false; + if ((this->ChipID.Family == 5) && (this->ChipID.Model < 8)) + return false; + } else if (this->ChipManufacturer == Transmeta) { + if (this->ChipID.Family < 5) + return false; + } else if (this->ChipManufacturer == Intel) { + if (this->ChipID.Family < 0xf) { + return false; + } + } + +#if USE_CPUID + if (!call_cpuid(0x80000000, cpuinfo)) { + return false; + } +#endif + + // Now we have to check the level wanted vs level returned... + int nLevelWanted = (CPULevelToCheck & 0x7FFFFFFF); + int nLevelReturn = (cpuinfo[0] & 0x7FFFFFFF); + + // Check to see if the level provided is supported... + if (nLevelWanted > nLevelReturn) { + return false; + } + + return true; +} + +/** */ +bool SystemInformationImplementation::RetrieveExtendedCPUFeatures() +{ + + // Check that we are not using an Intel processor as it does not support + // this. + if (this->ChipManufacturer == Intel) { + return false; + } + + // Check to see if what we are about to do is supported... + if (!RetrieveCPUExtendedLevelSupport(static_cast<int>(0x80000001))) { + return false; + } + +#if USE_CPUID + int localCPUExtendedFeatures[4] = { 0, 0, 0, 0 }; + + if (!call_cpuid(0x80000001, localCPUExtendedFeatures)) { + return false; + } + + // Retrieve the extended features of CPU present. + this->Features.ExtendedFeatures.Has3DNow = + ((localCPUExtendedFeatures[3] & 0x80000000) != + 0); // 3DNow Present --> Bit 31. + this->Features.ExtendedFeatures.Has3DNowPlus = + ((localCPUExtendedFeatures[3] & 0x40000000) != + 0); // 3DNow+ Present -- > Bit 30. + this->Features.ExtendedFeatures.HasSSEMMX = + ((localCPUExtendedFeatures[3] & 0x00400000) != + 0); // SSE MMX Present --> Bit 22. + this->Features.ExtendedFeatures.SupportsMP = + ((localCPUExtendedFeatures[3] & 0x00080000) != + 0); // MP Capable -- > Bit 19. + + // Retrieve AMD specific extended features. + if (this->ChipManufacturer == AMD) { + this->Features.ExtendedFeatures.HasMMXPlus = + ((localCPUExtendedFeatures[3] & 0x00400000) != + 0); // AMD specific: MMX-SSE --> Bit 22 + } + + // Retrieve Cyrix specific extended features. + if (this->ChipManufacturer == Cyrix) { + this->Features.ExtendedFeatures.HasMMXPlus = + ((localCPUExtendedFeatures[3] & 0x01000000) != + 0); // Cyrix specific: Extended MMX --> Bit 24 + } + + return true; + +#else + return false; +#endif +} + +/** */ +bool SystemInformationImplementation::RetrieveProcessorSerialNumber() +{ + // Check to see if the processor supports the processor serial number. + if (!this->Features.HasSerial) { + return false; + } + +#if USE_CPUID + int SerialNumber[4]; + + if (!call_cpuid(3, SerialNumber)) { + return false; + } + + // Process the returned information. + // ; eax = 3 --> ebx: top 32 bits are the processor signature bits --> NB: + // Transmeta only ?!? + // ; ecx: middle 32 bits are the processor signature bits + // ; edx: bottom 32 bits are the processor signature bits + char sn[128]; + sprintf(sn, "%.2x%.2x-%.2x%.2x-%.2x%.2x-%.2x%.2x-%.2x%.2x-%.2x%.2x", + ((SerialNumber[1] & 0xff000000) >> 24), + ((SerialNumber[1] & 0x00ff0000) >> 16), + ((SerialNumber[1] & 0x0000ff00) >> 8), + ((SerialNumber[1] & 0x000000ff) >> 0), + ((SerialNumber[2] & 0xff000000) >> 24), + ((SerialNumber[2] & 0x00ff0000) >> 16), + ((SerialNumber[2] & 0x0000ff00) >> 8), + ((SerialNumber[2] & 0x000000ff) >> 0), + ((SerialNumber[3] & 0xff000000) >> 24), + ((SerialNumber[3] & 0x00ff0000) >> 16), + ((SerialNumber[3] & 0x0000ff00) >> 8), + ((SerialNumber[3] & 0x000000ff) >> 0)); + this->ChipID.SerialNumber = sn; + return true; + +#else + return false; +#endif +} + +/** */ +bool SystemInformationImplementation::RetrieveCPUPowerManagement() +{ + // Check to see if what we are about to do is supported... + if (!RetrieveCPUExtendedLevelSupport(static_cast<int>(0x80000007))) { + this->Features.ExtendedFeatures.PowerManagement.HasFrequencyID = false; + this->Features.ExtendedFeatures.PowerManagement.HasVoltageID = false; + this->Features.ExtendedFeatures.PowerManagement.HasTempSenseDiode = false; + return false; + } + +#if USE_CPUID + int localCPUPowerManagement[4] = { 0, 0, 0, 0 }; + + if (!call_cpuid(0x80000007, localCPUPowerManagement)) { + return false; + } + + // Check for the power management capabilities of the CPU. + this->Features.ExtendedFeatures.PowerManagement.HasTempSenseDiode = + ((localCPUPowerManagement[3] & 0x00000001) != 0); + this->Features.ExtendedFeatures.PowerManagement.HasFrequencyID = + ((localCPUPowerManagement[3] & 0x00000002) != 0); + this->Features.ExtendedFeatures.PowerManagement.HasVoltageID = + ((localCPUPowerManagement[3] & 0x00000004) != 0); + + return true; + +#else + return false; +#endif +} + +#if USE_CPUID +// Used only in USE_CPUID implementation below. +static void SystemInformationStripLeadingSpace(std::string& str) +{ + // Because some manufacturers have leading white space - we have to + // post-process the name. + std::string::size_type pos = str.find_first_not_of(" "); + if (pos != std::string::npos) { + str = str.substr(pos); + } +} +#endif + +/** */ +bool SystemInformationImplementation::RetrieveExtendedCPUIdentity() +{ + // Check to see if what we are about to do is supported... + if (!RetrieveCPUExtendedLevelSupport(static_cast<int>(0x80000002))) + return false; + if (!RetrieveCPUExtendedLevelSupport(static_cast<int>(0x80000003))) + return false; + if (!RetrieveCPUExtendedLevelSupport(static_cast<int>(0x80000004))) + return false; + +#if USE_CPUID + int CPUExtendedIdentity[12]; + + if (!call_cpuid(0x80000002, CPUExtendedIdentity)) { + return false; + } + if (!call_cpuid(0x80000003, CPUExtendedIdentity + 4)) { + return false; + } + if (!call_cpuid(0x80000004, CPUExtendedIdentity + 8)) { + return false; + } + + // Process the returned information. + char nbuf[49]; + memcpy(&(nbuf[0]), &(CPUExtendedIdentity[0]), sizeof(int)); + memcpy(&(nbuf[4]), &(CPUExtendedIdentity[1]), sizeof(int)); + memcpy(&(nbuf[8]), &(CPUExtendedIdentity[2]), sizeof(int)); + memcpy(&(nbuf[12]), &(CPUExtendedIdentity[3]), sizeof(int)); + memcpy(&(nbuf[16]), &(CPUExtendedIdentity[4]), sizeof(int)); + memcpy(&(nbuf[20]), &(CPUExtendedIdentity[5]), sizeof(int)); + memcpy(&(nbuf[24]), &(CPUExtendedIdentity[6]), sizeof(int)); + memcpy(&(nbuf[28]), &(CPUExtendedIdentity[7]), sizeof(int)); + memcpy(&(nbuf[32]), &(CPUExtendedIdentity[8]), sizeof(int)); + memcpy(&(nbuf[36]), &(CPUExtendedIdentity[9]), sizeof(int)); + memcpy(&(nbuf[40]), &(CPUExtendedIdentity[10]), sizeof(int)); + memcpy(&(nbuf[44]), &(CPUExtendedIdentity[11]), sizeof(int)); + nbuf[48] = '\0'; + this->ChipID.ProcessorName = nbuf; + this->ChipID.ModelName = nbuf; + + // Because some manufacturers have leading white space - we have to + // post-process the name. + SystemInformationStripLeadingSpace(this->ChipID.ProcessorName); + return true; +#else + return false; +#endif +} + +/** */ +bool SystemInformationImplementation::RetrieveClassicalCPUIdentity() +{ + // Start by decided which manufacturer we are using.... + switch (this->ChipManufacturer) { + case Intel: + // Check the family / model / revision to determine the CPU ID. + switch (this->ChipID.Family) { + case 3: + this->ChipID.ProcessorName = "Newer i80386 family"; + break; + case 4: + switch (this->ChipID.Model) { + case 0: + this->ChipID.ProcessorName = "i80486DX-25/33"; + break; + case 1: + this->ChipID.ProcessorName = "i80486DX-50"; + break; + case 2: + this->ChipID.ProcessorName = "i80486SX"; + break; + case 3: + this->ChipID.ProcessorName = "i80486DX2"; + break; + case 4: + this->ChipID.ProcessorName = "i80486SL"; + break; + case 5: + this->ChipID.ProcessorName = "i80486SX2"; + break; + case 7: + this->ChipID.ProcessorName = "i80486DX2 WriteBack"; + break; + case 8: + this->ChipID.ProcessorName = "i80486DX4"; + break; + case 9: + this->ChipID.ProcessorName = "i80486DX4 WriteBack"; + break; + default: + this->ChipID.ProcessorName = "Unknown 80486 family"; + return false; + } + break; + case 5: + switch (this->ChipID.Model) { + case 0: + this->ChipID.ProcessorName = "P5 A-Step"; + break; + case 1: + this->ChipID.ProcessorName = "P5"; + break; + case 2: + this->ChipID.ProcessorName = "P54C"; + break; + case 3: + this->ChipID.ProcessorName = "P24T OverDrive"; + break; + case 4: + this->ChipID.ProcessorName = "P55C"; + break; + case 7: + this->ChipID.ProcessorName = "P54C"; + break; + case 8: + this->ChipID.ProcessorName = "P55C (0.25micron)"; + break; + default: + this->ChipID.ProcessorName = "Unknown Pentium family"; + return false; + } + break; + case 6: + switch (this->ChipID.Model) { + case 0: + this->ChipID.ProcessorName = "P6 A-Step"; + break; + case 1: + this->ChipID.ProcessorName = "P6"; + break; + case 3: + this->ChipID.ProcessorName = "Pentium II (0.28 micron)"; + break; + case 5: + this->ChipID.ProcessorName = "Pentium II (0.25 micron)"; + break; + case 6: + this->ChipID.ProcessorName = "Pentium II With On-Die L2 Cache"; + break; + case 7: + this->ChipID.ProcessorName = "Pentium III (0.25 micron)"; + break; + case 8: + this->ChipID.ProcessorName = + "Pentium III (0.18 micron) With 256 KB On-Die L2 Cache "; + break; + case 0xa: + this->ChipID.ProcessorName = + "Pentium III (0.18 micron) With 1 Or 2 MB On-Die L2 Cache "; + break; + case 0xb: + this->ChipID.ProcessorName = "Pentium III (0.13 micron) With " + "256 Or 512 KB On-Die L2 Cache "; + break; + case 23: + this->ChipID.ProcessorName = + "Intel(R) Core(TM)2 Duo CPU T9500 @ 2.60GHz"; + break; + default: + this->ChipID.ProcessorName = "Unknown P6 family"; + return false; + } + break; + case 7: + this->ChipID.ProcessorName = "Intel Merced (IA-64)"; + break; + case 0xf: + // Check the extended family bits... + switch (this->ChipID.ExtendedFamily) { + case 0: + switch (this->ChipID.Model) { + case 0: + this->ChipID.ProcessorName = "Pentium IV (0.18 micron)"; + break; + case 1: + this->ChipID.ProcessorName = "Pentium IV (0.18 micron)"; + break; + case 2: + this->ChipID.ProcessorName = "Pentium IV (0.13 micron)"; + break; + default: + this->ChipID.ProcessorName = "Unknown Pentium 4 family"; + return false; + } + break; + case 1: + this->ChipID.ProcessorName = "Intel McKinley (IA-64)"; + break; + default: + this->ChipID.ProcessorName = "Pentium"; + } + break; + default: + this->ChipID.ProcessorName = "Unknown Intel family"; + return false; + } + break; + + case AMD: + // Check the family / model / revision to determine the CPU ID. + switch (this->ChipID.Family) { + case 4: + switch (this->ChipID.Model) { + case 3: + this->ChipID.ProcessorName = "80486DX2"; + break; + case 7: + this->ChipID.ProcessorName = "80486DX2 WriteBack"; + break; + case 8: + this->ChipID.ProcessorName = "80486DX4"; + break; + case 9: + this->ChipID.ProcessorName = "80486DX4 WriteBack"; + break; + case 0xe: + this->ChipID.ProcessorName = "5x86"; + break; + case 0xf: + this->ChipID.ProcessorName = "5x86WB"; + break; + default: + this->ChipID.ProcessorName = "Unknown 80486 family"; + return false; + } + break; + case 5: + switch (this->ChipID.Model) { + case 0: + this->ChipID.ProcessorName = "SSA5 (PR75, PR90 = PR100)"; + break; + case 1: + this->ChipID.ProcessorName = "5k86 (PR120 = PR133)"; + break; + case 2: + this->ChipID.ProcessorName = "5k86 (PR166)"; + break; + case 3: + this->ChipID.ProcessorName = "5k86 (PR200)"; + break; + case 6: + this->ChipID.ProcessorName = "K6 (0.30 micron)"; + break; + case 7: + this->ChipID.ProcessorName = "K6 (0.25 micron)"; + break; + case 8: + this->ChipID.ProcessorName = "K6-2"; + break; + case 9: + this->ChipID.ProcessorName = "K6-III"; + break; + case 0xd: + this->ChipID.ProcessorName = "K6-2+ or K6-III+ (0.18 micron)"; + break; + default: + this->ChipID.ProcessorName = "Unknown 80586 family"; + return false; + } + break; + case 6: + switch (this->ChipID.Model) { + case 1: + this->ChipID.ProcessorName = "Athlon- (0.25 micron)"; + break; + case 2: + this->ChipID.ProcessorName = "Athlon- (0.18 micron)"; + break; + case 3: + this->ChipID.ProcessorName = "Duron- (SF core)"; + break; + case 4: + this->ChipID.ProcessorName = "Athlon- (Thunderbird core)"; + break; + case 6: + this->ChipID.ProcessorName = "Athlon- (Palomino core)"; + break; + case 7: + this->ChipID.ProcessorName = "Duron- (Morgan core)"; + break; + case 8: + if (this->Features.ExtendedFeatures.SupportsMP) + this->ChipID.ProcessorName = "Athlon - MP (Thoroughbred core)"; + else + this->ChipID.ProcessorName = "Athlon - XP (Thoroughbred core)"; + break; + default: + this->ChipID.ProcessorName = "Unknown K7 family"; + return false; + } + break; + default: + this->ChipID.ProcessorName = "Unknown AMD family"; + return false; + } + break; + + case Transmeta: + switch (this->ChipID.Family) { + case 5: + switch (this->ChipID.Model) { + case 4: + this->ChipID.ProcessorName = "Crusoe TM3x00 and TM5x00"; + break; + default: + this->ChipID.ProcessorName = "Unknown Crusoe family"; + return false; + } + break; + default: + this->ChipID.ProcessorName = "Unknown Transmeta family"; + return false; + } + break; + + case Rise: + switch (this->ChipID.Family) { + case 5: + switch (this->ChipID.Model) { + case 0: + this->ChipID.ProcessorName = "mP6 (0.25 micron)"; + break; + case 2: + this->ChipID.ProcessorName = "mP6 (0.18 micron)"; + break; + default: + this->ChipID.ProcessorName = "Unknown Rise family"; + return false; + } + break; + default: + this->ChipID.ProcessorName = "Unknown Rise family"; + return false; + } + break; + + case UMC: + switch (this->ChipID.Family) { + case 4: + switch (this->ChipID.Model) { + case 1: + this->ChipID.ProcessorName = "U5D"; + break; + case 2: + this->ChipID.ProcessorName = "U5S"; + break; + default: + this->ChipID.ProcessorName = "Unknown UMC family"; + return false; + } + break; + default: + this->ChipID.ProcessorName = "Unknown UMC family"; + return false; + } + break; + + case IDT: + switch (this->ChipID.Family) { + case 5: + switch (this->ChipID.Model) { + case 4: + this->ChipID.ProcessorName = "C6"; + break; + case 8: + this->ChipID.ProcessorName = "C2"; + break; + case 9: + this->ChipID.ProcessorName = "C3"; + break; + default: + this->ChipID.ProcessorName = "Unknown IDT\\Centaur family"; + return false; + } + break; + case 6: + switch (this->ChipID.Model) { + case 6: + this->ChipID.ProcessorName = "VIA Cyrix III - Samuel"; + break; + default: + this->ChipID.ProcessorName = "Unknown IDT\\Centaur family"; + return false; + } + break; + default: + this->ChipID.ProcessorName = "Unknown IDT\\Centaur family"; + return false; + } + break; + + case Cyrix: + switch (this->ChipID.Family) { + case 4: + switch (this->ChipID.Model) { + case 4: + this->ChipID.ProcessorName = "MediaGX GX = GXm"; + break; + case 9: + this->ChipID.ProcessorName = "5x86"; + break; + default: + this->ChipID.ProcessorName = "Unknown Cx5x86 family"; + return false; + } + break; + case 5: + switch (this->ChipID.Model) { + case 2: + this->ChipID.ProcessorName = "Cx6x86"; + break; + case 4: + this->ChipID.ProcessorName = "MediaGX GXm"; + break; + default: + this->ChipID.ProcessorName = "Unknown Cx6x86 family"; + return false; + } + break; + case 6: + switch (this->ChipID.Model) { + case 0: + this->ChipID.ProcessorName = "6x86MX"; + break; + case 5: + this->ChipID.ProcessorName = "Cyrix M2 Core"; + break; + case 6: + this->ChipID.ProcessorName = "WinChip C5A Core"; + break; + case 7: + this->ChipID.ProcessorName = "WinChip C5B\\C5C Core"; + break; + case 8: + this->ChipID.ProcessorName = "WinChip C5C-T Core"; + break; + default: + this->ChipID.ProcessorName = "Unknown 6x86MX\\Cyrix III family"; + return false; + } + break; + default: + this->ChipID.ProcessorName = "Unknown Cyrix family"; + return false; + } + break; + + case NexGen: + switch (this->ChipID.Family) { + case 5: + switch (this->ChipID.Model) { + case 0: + this->ChipID.ProcessorName = "Nx586 or Nx586FPU"; + break; + default: + this->ChipID.ProcessorName = "Unknown NexGen family"; + return false; + } + break; + default: + this->ChipID.ProcessorName = "Unknown NexGen family"; + return false; + } + break; + + case NSC: + this->ChipID.ProcessorName = "Cx486SLC \\ DLC \\ Cx486S A-Step"; + break; + + case Sun: + case IBM: + case Motorola: + case HP: + case UnknownManufacturer: + default: + this->ChipID.ProcessorName = + "Unknown family"; // We cannot identify the processor. + return false; + } + + return true; +} + +/** Extract a value from the CPUInfo file */ +std::string SystemInformationImplementation::ExtractValueFromCpuInfoFile( + std::string buffer, const char* word, size_t init) +{ + size_t pos = buffer.find(word, init); + if (pos != std::string::npos) { + this->CurrentPositionInFile = pos; + pos = buffer.find(":", pos); + size_t pos2 = buffer.find("\n", pos); + if (pos != std::string::npos && pos2 != std::string::npos) { + // It may happen that the beginning matches, but this is still not the + // requested key. + // An example is looking for "cpu" when "cpu family" comes first. So we + // check that + // we have only spaces from here to pos, otherwise we search again. + for (size_t i = this->CurrentPositionInFile + strlen(word); i < pos; + ++i) { + if (buffer[i] != ' ' && buffer[i] != '\t') { + return this->ExtractValueFromCpuInfoFile(buffer, word, pos2); + } + } + return buffer.substr(pos + 2, pos2 - pos - 2); + } + } + this->CurrentPositionInFile = std::string::npos; + return ""; +} + +/** Query for the cpu status */ +bool SystemInformationImplementation::RetreiveInformationFromCpuInfoFile() +{ + this->NumberOfLogicalCPU = 0; + this->NumberOfPhysicalCPU = 0; + std::string buffer; + + FILE* fd = fopen("/proc/cpuinfo", "r"); + if (!fd) { + std::cout << "Problem opening /proc/cpuinfo" << std::endl; + return false; + } + + size_t fileSize = 0; + while (!feof(fd)) { + buffer += static_cast<char>(fgetc(fd)); + fileSize++; + } + fclose(fd); + buffer.resize(fileSize - 2); + // Number of logical CPUs (combination of multiple processors, multi-core + // and SMT) + size_t pos = buffer.find("processor\t"); + while (pos != std::string::npos) { + this->NumberOfLogicalCPU++; + pos = buffer.find("processor\t", pos + 1); + } + +#ifdef __linux + // Count sockets. + std::set<int> PhysicalIDs; + std::string idc = this->ExtractValueFromCpuInfoFile(buffer, "physical id"); + while (this->CurrentPositionInFile != std::string::npos) { + int id = atoi(idc.c_str()); + PhysicalIDs.insert(id); + idc = this->ExtractValueFromCpuInfoFile(buffer, "physical id", + this->CurrentPositionInFile + 1); + } + uint64_t NumberOfSockets = PhysicalIDs.size(); + NumberOfSockets = std::max(NumberOfSockets, (uint64_t)1); + // Physical ids returned by Linux don't distinguish cores. + // 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()); + NumberOfCoresPerSocket = std::max(NumberOfCoresPerSocket, 1u); + this->NumberOfPhysicalCPU = + NumberOfCoresPerSocket * (unsigned int)NumberOfSockets; + +#else // __CYGWIN__ + // does not have "physical id" entries, neither "cpu cores" + // this has to be fixed for hyper-threading. + std::string cpucount = + this->ExtractValueFromCpuInfoFile(buffer, "cpu count"); + this->NumberOfPhysicalCPU = this->NumberOfLogicalCPU = + atoi(cpucount.c_str()); +#endif + // gotta have one, and if this is 0 then we get a / by 0n + // better to have a bad answer than a crash + if (this->NumberOfPhysicalCPU <= 0) { + this->NumberOfPhysicalCPU = 1; + } + // LogicalProcessorsPerPhysical>1 => SMT. + this->Features.ExtendedFeatures.LogicalProcessorsPerPhysical = + this->NumberOfLogicalCPU / this->NumberOfPhysicalCPU; + + // CPU speed (checking only the first processor) + std::string CPUSpeed = this->ExtractValueFromCpuInfoFile(buffer, "cpu MHz"); + if (!CPUSpeed.empty()) { + this->CPUSpeedInMHz = static_cast<float>(atof(CPUSpeed.c_str())); + } +#ifdef __linux + else { + // 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; + } +#endif + + // Chip family + std::string familyStr = + this->ExtractValueFromCpuInfoFile(buffer, "cpu family"); + if (familyStr.empty()) { + familyStr = this->ExtractValueFromCpuInfoFile(buffer, "CPU architecture"); + } + this->ChipID.Family = atoi(familyStr.c_str()); + + // Chip Vendor + this->ChipID.Vendor = this->ExtractValueFromCpuInfoFile(buffer, "vendor_id"); + this->FindManufacturer(familyStr); + + // second try for setting family + if (this->ChipID.Family == 0 && this->ChipManufacturer == HP) { + if (familyStr == "PA-RISC 1.1a") + this->ChipID.Family = 0x11a; + else if (familyStr == "PA-RISC 2.0") + this->ChipID.Family = 0x200; + // If you really get CMake to work on a machine not belonging to + // any of those families I owe you a dinner if you get it to + // contribute nightly builds regularly. + } + + // Chip Model + this->ChipID.Model = + atoi(this->ExtractValueFromCpuInfoFile(buffer, "model").c_str()); + if (!this->RetrieveClassicalCPUIdentity()) { + // Some platforms (e.g. PA-RISC) tell us their CPU name here. + // Note: x86 does not. + std::string cpuname = this->ExtractValueFromCpuInfoFile(buffer, "cpu"); + if (!cpuname.empty()) { + this->ChipID.ProcessorName = cpuname; + } + } + + // Chip revision + std::string cpurev = this->ExtractValueFromCpuInfoFile(buffer, "stepping"); + if (cpurev.empty()) { + cpurev = this->ExtractValueFromCpuInfoFile(buffer, "CPU revision"); + } + this->ChipID.Revision = atoi(cpurev.c_str()); + + // Chip Model Name + this->ChipID.ModelName = + this->ExtractValueFromCpuInfoFile(buffer, "model name").c_str(); + + // L1 Cache size + // Different architectures may show different names for the caches. + // Sum up everything we find. + std::vector<const char*> cachename; + cachename.clear(); + + cachename.push_back("cache size"); // e.g. x86 + cachename.push_back("I-cache"); // e.g. PA-RISC + 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]); + if (!cacheSize.empty()) { + pos = cacheSize.find(" KB"); + if (pos != std::string::npos) { + cacheSize = cacheSize.substr(0, pos); + } + this->Features.L1CacheSize += atoi(cacheSize.c_str()); + } + } + + // processor feature flags (probably x86 specific) + std::string cpuflags = this->ExtractValueFromCpuInfoFile(buffer, "flags"); + if (!cpurev.empty()) { + // now we can match every flags as space + flag + space + cpuflags = " " + cpuflags + " "; + if ((cpuflags.find(" fpu ") != std::string::npos)) { + this->Features.HasFPU = true; + } + if ((cpuflags.find(" tsc ") != std::string::npos)) { + this->Features.HasTSC = true; + } + if ((cpuflags.find(" mmx ") != std::string::npos)) { + this->Features.HasMMX = true; + } + if ((cpuflags.find(" sse ") != std::string::npos)) { + this->Features.HasSSE = true; + } + if ((cpuflags.find(" sse2 ") != std::string::npos)) { + this->Features.HasSSE2 = true; + } + if ((cpuflags.find(" apic ") != std::string::npos)) { + this->Features.HasAPIC = true; + } + if ((cpuflags.find(" cmov ") != std::string::npos)) { + this->Features.HasCMOV = true; + } + if ((cpuflags.find(" mtrr ") != std::string::npos)) { + this->Features.HasMTRR = true; + } + if ((cpuflags.find(" acpi ") != std::string::npos)) { + this->Features.HasACPI = true; + } + if ((cpuflags.find(" 3dnow ") != std::string::npos)) { + this->Features.ExtendedFeatures.Has3DNow = true; + } + } + + return true; +} + +bool SystemInformationImplementation::QueryProcessorBySysconf() +{ +#if defined(_SC_NPROC_ONLN) && !defined(_SC_NPROCESSORS_ONLN) +// IRIX names this slightly different +# define _SC_NPROCESSORS_ONLN _SC_NPROC_ONLN +#endif + +#ifdef _SC_NPROCESSORS_ONLN + long c = sysconf(_SC_NPROCESSORS_ONLN); + if (c <= 0) { + return false; + } + + this->NumberOfPhysicalCPU = static_cast<unsigned int>(c); + this->NumberOfLogicalCPU = this->NumberOfPhysicalCPU; + + return true; +#else + return false; +#endif +} + +bool SystemInformationImplementation::QueryProcessor() +{ + return this->QueryProcessorBySysconf(); +} + +/** +Get total system RAM in units of KiB. +*/ +SystemInformation::LongLong +SystemInformationImplementation::GetHostMemoryTotal() +{ +#if defined(_WIN32) +# if defined(_MSC_VER) && _MSC_VER < 1300 + MEMORYSTATUS stat; + stat.dwLength = sizeof(stat); + GlobalMemoryStatus(&stat); + return stat.dwTotalPhys / 1024; +# else + MEMORYSTATUSEX statex; + statex.dwLength = sizeof(statex); + GlobalMemoryStatusEx(&statex); + return statex.ullTotalPhys / 1024; +# endif +#elif defined(__linux) + SystemInformation::LongLong memTotal = 0; + int ierr = GetFieldFromFile("/proc/meminfo", "MemTotal:", memTotal); + if (ierr) { + return -1; + } + return memTotal; +#elif defined(__APPLE__) + uint64_t mem; + size_t len = sizeof(mem); + int ierr = sysctlbyname("hw.memsize", &mem, &len, KWSYS_NULLPTR, 0); + if (ierr) { + return -1; + } + return mem / 1024; +#else + return 0; +#endif +} + +/** +Get total system RAM in units of KiB. This may differ from the +host total if a host-wide resource limit is applied. +*/ +SystemInformation::LongLong +SystemInformationImplementation::GetHostMemoryAvailable( + const char* hostLimitEnvVarName) +{ + SystemInformation::LongLong memTotal = this->GetHostMemoryTotal(); + + // the following mechanism is provided for systems that + // apply resource limits across groups of processes. + // this is of use on certain SMP systems (eg. SGI UV) + // where the host has a large amount of ram but a given user's + // access to it is severely restricted. The system will + // apply a limit across a set of processes. Units are in KiB. + if (hostLimitEnvVarName) { + const char* hostLimitEnvVarValue = getenv(hostLimitEnvVarName); + if (hostLimitEnvVarValue) { + SystemInformation::LongLong hostLimit = + atoLongLong(hostLimitEnvVarValue); + if (hostLimit > 0) { + memTotal = min(hostLimit, memTotal); + } + } + } + + return memTotal; +} + +/** +Get total system RAM in units of KiB. This may differ from the +host total if a per-process resource limit is applied. +*/ +SystemInformation::LongLong +SystemInformationImplementation::GetProcMemoryAvailable( + const char* hostLimitEnvVarName, const char* procLimitEnvVarName) +{ + SystemInformation::LongLong memAvail = + this->GetHostMemoryAvailable(hostLimitEnvVarName); + + // the following mechanism is provide for systems where rlimits + // are not employed. Units are in KiB. + if (procLimitEnvVarName) { + const char* procLimitEnvVarValue = getenv(procLimitEnvVarName); + if (procLimitEnvVarValue) { + SystemInformation::LongLong procLimit = + atoLongLong(procLimitEnvVarValue); + if (procLimit > 0) { + memAvail = min(procLimit, memAvail); + } + } + } + +#if defined(__linux) + int ierr; + ResourceLimitType rlim; + ierr = GetResourceLimit(RLIMIT_DATA, &rlim); + if ((ierr == 0) && (rlim.rlim_cur != RLIM_INFINITY)) { + memAvail = + min((SystemInformation::LongLong)rlim.rlim_cur / 1024, memAvail); + } + + ierr = GetResourceLimit(RLIMIT_AS, &rlim); + if ((ierr == 0) && (rlim.rlim_cur != RLIM_INFINITY)) { + memAvail = + min((SystemInformation::LongLong)rlim.rlim_cur / 1024, memAvail); + } +#elif defined(__APPLE__) + struct rlimit rlim; + int ierr; + ierr = getrlimit(RLIMIT_DATA, &rlim); + if ((ierr == 0) && (rlim.rlim_cur != RLIM_INFINITY)) { + memAvail = + min((SystemInformation::LongLong)rlim.rlim_cur / 1024, memAvail); + } + + ierr = getrlimit(RLIMIT_RSS, &rlim); + if ((ierr == 0) && (rlim.rlim_cur != RLIM_INFINITY)) { + memAvail = + min((SystemInformation::LongLong)rlim.rlim_cur / 1024, memAvail); + } +#endif + + return memAvail; +} + +/** +Get RAM used by all processes in the host, in units of KiB. +*/ +SystemInformation::LongLong +SystemInformationImplementation::GetHostMemoryUsed() +{ +#if defined(_WIN32) +# if defined(_MSC_VER) && _MSC_VER < 1300 + MEMORYSTATUS stat; + stat.dwLength = sizeof(stat); + GlobalMemoryStatus(&stat); + return (stat.dwTotalPhys - stat.dwAvailPhys) / 1024; +# else + MEMORYSTATUSEX statex; + statex.dwLength = sizeof(statex); + GlobalMemoryStatusEx(&statex); + return (statex.ullTotalPhys - statex.ullAvailPhys) / 1024; +# endif +#elif defined(__linux) + // First try to use MemAvailable, but it only works on newer kernels + const char* names2[3] = { "MemTotal:", "MemAvailable:", NULL }; + SystemInformation::LongLong values2[2] = { SystemInformation::LongLong(0) }; + int ierr = GetFieldsFromFile("/proc/meminfo", names2, values2); + if (ierr) { + const char* names4[5] = { "MemTotal:", "MemFree:", "Buffers:", "Cached:", + NULL }; + SystemInformation::LongLong values4[4] = { SystemInformation::LongLong( + 0) }; + ierr = GetFieldsFromFile("/proc/meminfo", names4, values4); + if (ierr) { + return ierr; + } + SystemInformation::LongLong& memTotal = values4[0]; + SystemInformation::LongLong& memFree = values4[1]; + SystemInformation::LongLong& memBuffers = values4[2]; + SystemInformation::LongLong& memCached = values4[3]; + return memTotal - memFree - memBuffers - memCached; + } + SystemInformation::LongLong& memTotal = values2[0]; + SystemInformation::LongLong& memAvail = values2[1]; + return memTotal - memAvail; +#elif defined(__APPLE__) + SystemInformation::LongLong psz = getpagesize(); + if (psz < 1) { + return -1; + } + const char* names[3] = { "Pages wired down:", "Pages active:", + KWSYS_NULLPTR }; + SystemInformation::LongLong values[2] = { SystemInformation::LongLong(0) }; + int ierr = GetFieldsFromCommand("vm_stat", names, values); + if (ierr) { + return -1; + } + SystemInformation::LongLong& vmWired = values[0]; + SystemInformation::LongLong& vmActive = values[1]; + return ((vmActive + vmWired) * psz) / 1024; +#else + return 0; +#endif +} + +/** +Get system RAM used by the process associated with the given +process id in units of KiB. +*/ +SystemInformation::LongLong +SystemInformationImplementation::GetProcMemoryUsed() +{ +#if defined(_WIN32) && defined(KWSYS_SYS_HAS_PSAPI) + long pid = GetCurrentProcessId(); + HANDLE hProc; + hProc = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, false, pid); + if (hProc == 0) { + return -1; + } + PROCESS_MEMORY_COUNTERS pmc; + int ok = GetProcessMemoryInfo(hProc, &pmc, sizeof(pmc)); + CloseHandle(hProc); + if (!ok) { + return -2; + } + return pmc.WorkingSetSize / 1024; +#elif defined(__linux) + SystemInformation::LongLong memUsed = 0; + int ierr = GetFieldFromFile("/proc/self/status", "VmRSS:", memUsed); + if (ierr) { + return -1; + } + return memUsed; +#elif defined(__APPLE__) + SystemInformation::LongLong memUsed = 0; + pid_t pid = getpid(); + std::ostringstream oss; + oss << "ps -o rss= -p " << pid; + FILE* file = popen(oss.str().c_str(), "r"); + if (file == KWSYS_NULLPTR) { + return -1; + } + oss.str(""); + while (!feof(file) && !ferror(file)) { + char buf[256] = { '\0' }; + errno = 0; + size_t nRead = fread(buf, 1, 256, file); + if (ferror(file) && (errno == EINTR)) { + clearerr(file); + } + if (nRead) + oss << buf; + } + int ierr = ferror(file); + pclose(file); + if (ierr) { + return -2; + } + std::istringstream iss(oss.str()); + iss >> memUsed; + return memUsed; +#else + return 0; +#endif +} + +double SystemInformationImplementation::GetLoadAverage() +{ +#if defined(KWSYS_CXX_HAS_GETLOADAVG) + double loadavg[3] = { 0.0, 0.0, 0.0 }; + if (getloadavg(loadavg, 3) > 0) { + return loadavg[0]; + } + return -0.0; +#elif defined(KWSYS_SYSTEMINFORMATION_USE_GetSystemTimes) + // Old windows.h headers do not provide GetSystemTimes. + typedef BOOL(WINAPI * GetSystemTimesType)(LPFILETIME, LPFILETIME, + LPFILETIME); + static GetSystemTimesType pGetSystemTimes = + (GetSystemTimesType)GetProcAddress(GetModuleHandleW(L"kernel32"), + "GetSystemTimes"); + FILETIME idleTime, kernelTime, userTime; + if (pGetSystemTimes && pGetSystemTimes(&idleTime, &kernelTime, &userTime)) { + unsigned __int64 const idleTicks = fileTimeToUInt64(idleTime); + unsigned __int64 const totalTicks = + fileTimeToUInt64(kernelTime) + fileTimeToUInt64(userTime); + return calculateCPULoad(idleTicks, totalTicks) * GetNumberOfPhysicalCPU(); + } + return -0.0; +#else + // Not implemented on this platform. + return -0.0; +#endif +} + +/** +Get the process id of the running process. +*/ +SystemInformation::LongLong SystemInformationImplementation::GetProcessId() +{ +#if defined(_WIN32) + return GetCurrentProcessId(); +#elif defined(__linux) || defined(__APPLE__) + return getpid(); +#else + return -1; +#endif +} + +/** +return current program stack in a string +demangle cxx symbols if possible. +*/ +std::string SystemInformationImplementation::GetProgramStack(int firstFrame, + int wholePath) +{ + std::string programStack = "" +#if !defined(KWSYS_SYSTEMINFORMATION_HAS_BACKTRACE) + "WARNING: The stack could not be examined " + "because backtrace is not supported.\n" +#elif !defined(KWSYS_SYSTEMINFORMATION_HAS_DEBUG_BUILD) + "WARNING: The stack trace will not use advanced " + "capabilities because this is a release build.\n" +#else +# if !defined(KWSYS_SYSTEMINFORMATION_HAS_SYMBOL_LOOKUP) + "WARNING: Function names will not be demangled " + "because " + "dladdr is not available.\n" +# endif +# if !defined(KWSYS_SYSTEMINFORMATION_HAS_CPP_DEMANGLE) + "WARNING: Function names will not be demangled " + "because cxxabi is not available.\n" +# endif +#endif + ; + + std::ostringstream oss; +#if defined(KWSYS_SYSTEMINFORMATION_HAS_BACKTRACE) + void* stackSymbols[256]; + int nFrames = backtrace(stackSymbols, 256); + for (int i = firstFrame; i < nFrames; ++i) { + SymbolProperties symProps; + symProps.SetReportPath(wholePath); + symProps.Initialize(stackSymbols[i]); + oss << symProps << std::endl; + } +#else + (void)firstFrame; + (void)wholePath; +#endif + programStack += oss.str(); + + return programStack; +} + +/** +when set print stack trace in response to common signals. +*/ +void SystemInformationImplementation::SetStackTraceOnError(int enable) +{ +#if !defined(_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__) + static int saOrigValid = 0; + static struct sigaction saABRTOrig; + static struct sigaction saSEGVOrig; + static struct sigaction saTERMOrig; + static struct sigaction saINTOrig; + static struct sigaction saILLOrig; + static struct sigaction saBUSOrig; + static struct sigaction saFPEOrig; + + if (enable && !saOrigValid) { + // save the current actions + sigaction(SIGABRT, KWSYS_NULLPTR, &saABRTOrig); + sigaction(SIGSEGV, KWSYS_NULLPTR, &saSEGVOrig); + sigaction(SIGTERM, KWSYS_NULLPTR, &saTERMOrig); + sigaction(SIGINT, KWSYS_NULLPTR, &saINTOrig); + sigaction(SIGILL, KWSYS_NULLPTR, &saILLOrig); + sigaction(SIGBUS, KWSYS_NULLPTR, &saBUSOrig); + sigaction(SIGFPE, KWSYS_NULLPTR, &saFPEOrig); + + // enable read, disable write + saOrigValid = 1; + + // install ours + struct sigaction sa; + sa.sa_sigaction = (SigAction)StacktraceSignalHandler; + sa.sa_flags = SA_SIGINFO | SA_RESETHAND; +# ifdef SA_RESTART + sa.sa_flags |= SA_RESTART; +# endif + sigemptyset(&sa.sa_mask); + + sigaction(SIGABRT, &sa, KWSYS_NULLPTR); + sigaction(SIGSEGV, &sa, KWSYS_NULLPTR); + sigaction(SIGTERM, &sa, KWSYS_NULLPTR); + sigaction(SIGINT, &sa, KWSYS_NULLPTR); + sigaction(SIGILL, &sa, KWSYS_NULLPTR); + sigaction(SIGBUS, &sa, KWSYS_NULLPTR); + sigaction(SIGFPE, &sa, KWSYS_NULLPTR); + } else if (!enable && saOrigValid) { + // restore previous actions + sigaction(SIGABRT, &saABRTOrig, KWSYS_NULLPTR); + sigaction(SIGSEGV, &saSEGVOrig, KWSYS_NULLPTR); + sigaction(SIGTERM, &saTERMOrig, KWSYS_NULLPTR); + sigaction(SIGINT, &saINTOrig, KWSYS_NULLPTR); + sigaction(SIGILL, &saILLOrig, KWSYS_NULLPTR); + sigaction(SIGBUS, &saBUSOrig, KWSYS_NULLPTR); + sigaction(SIGFPE, &saFPEOrig, KWSYS_NULLPTR); + + // enable write, disable read + saOrigValid = 0; + } +#else + // avoid warning C4100 + (void)enable; +#endif +} + +bool SystemInformationImplementation::QueryWindowsMemory() +{ +#if defined(_WIN32) +# if defined(_MSC_VER) && _MSC_VER < 1300 + MEMORYSTATUS ms; + unsigned long tv, tp, av, ap; + ms.dwLength = sizeof(ms); + GlobalMemoryStatus(&ms); +# define MEM_VAL(value) dw##value +# else + MEMORYSTATUSEX ms; + DWORDLONG tv, tp, av, ap; + ms.dwLength = sizeof(ms); + if (0 == GlobalMemoryStatusEx(&ms)) { + return 0; + } +# define MEM_VAL(value) ull##value +# endif + tv = ms.MEM_VAL(TotalPageFile); + tp = ms.MEM_VAL(TotalPhys); + av = ms.MEM_VAL(AvailPageFile); + ap = ms.MEM_VAL(AvailPhys); + this->TotalVirtualMemory = tv >> 10 >> 10; + this->TotalPhysicalMemory = tp >> 10 >> 10; + this->AvailableVirtualMemory = av >> 10 >> 10; + this->AvailablePhysicalMemory = ap >> 10 >> 10; + return true; +#else + return false; +#endif +} + +bool SystemInformationImplementation::QueryLinuxMemory() +{ +#if defined(__linux) + unsigned long tv = 0; + unsigned long tp = 0; + unsigned long av = 0; + unsigned long ap = 0; + + char buffer[1024]; // for reading lines + + int linuxMajor = 0; + int linuxMinor = 0; + + // Find the Linux kernel version first + struct utsname unameInfo; + int errorFlag = uname(&unameInfo); + if (errorFlag != 0) { + std::cout << "Problem calling uname(): " << strerror(errno) << std::endl; + return false; + } + + if (strlen(unameInfo.release) >= 3) { + // release looks like "2.6.3-15mdk-i686-up-4GB" + char majorChar = unameInfo.release[0]; + char minorChar = unameInfo.release[2]; + + if (isdigit(majorChar)) { + linuxMajor = majorChar - '0'; + } + + if (isdigit(minorChar)) { + linuxMinor = minorChar - '0'; + } + } + + FILE* fd = fopen("/proc/meminfo", "r"); + if (!fd) { + std::cout << "Problem opening /proc/meminfo" << std::endl; + return false; + } + + if (linuxMajor >= 3 || ((linuxMajor >= 2) && (linuxMinor >= 6))) { + // new /proc/meminfo format since kernel 2.6.x + // Rigorously, this test should check from the developing version 2.5.x + // that introduced the new format... + + enum + { + mMemTotal, + mMemFree, + mBuffers, + mCached, + mSwapTotal, + mSwapFree + }; + const char* format[6] = { "MemTotal:%lu kB", "MemFree:%lu kB", + "Buffers:%lu kB", "Cached:%lu kB", + "SwapTotal:%lu kB", "SwapFree:%lu kB" }; + bool have[6] = { false, false, false, false, false, false }; + unsigned long value[6]; + int count = 0; + while (fgets(buffer, static_cast<int>(sizeof(buffer)), fd)) { + for (int i = 0; i < 6; ++i) { + if (!have[i] && sscanf(buffer, format[i], &value[i]) == 1) { + have[i] = true; + ++count; + } + } + } + if (count == 6) { + this->TotalPhysicalMemory = value[mMemTotal] / 1024; + this->AvailablePhysicalMemory = + (value[mMemFree] + value[mBuffers] + value[mCached]) / 1024; + this->TotalVirtualMemory = value[mSwapTotal] / 1024; + this->AvailableVirtualMemory = value[mSwapFree] / 1024; + } else { + std::cout << "Problem parsing /proc/meminfo" << std::endl; + fclose(fd); + return false; + } + } else { + // /proc/meminfo format for kernel older than 2.6.x + + unsigned long temp; + unsigned long cachedMem; + unsigned long buffersMem; + // Skip "total: used:..." + char* r = fgets(buffer, static_cast<int>(sizeof(buffer)), fd); + int status = 0; + if (r == buffer) { + status += fscanf(fd, "Mem: %lu %lu %lu %lu %lu %lu\n", &tp, &temp, &ap, + &temp, &buffersMem, &cachedMem); + } + if (status == 6) { + status += fscanf(fd, "Swap: %lu %lu %lu\n", &tv, &temp, &av); + } + if (status == 9) { + this->TotalVirtualMemory = tv >> 10 >> 10; + this->TotalPhysicalMemory = tp >> 10 >> 10; + this->AvailableVirtualMemory = av >> 10 >> 10; + this->AvailablePhysicalMemory = + (ap + buffersMem + cachedMem) >> 10 >> 10; + } else { + std::cout << "Problem parsing /proc/meminfo" << std::endl; + fclose(fd); + return false; + } + } + fclose(fd); + + return true; +#else + return false; +#endif +} + +bool SystemInformationImplementation::QueryCygwinMemory() +{ +#ifdef __CYGWIN__ + // _SC_PAGE_SIZE does return the mmap() granularity on Cygwin, + // see http://cygwin.com/ml/cygwin/2006-06/msg00350.html + // Therefore just use 4096 as the page size of Windows. + long m = sysconf(_SC_PHYS_PAGES); + if (m < 0) { + return false; + } + this->TotalPhysicalMemory = m >> 8; + return true; +#else + return false; +#endif +} + +bool SystemInformationImplementation::QueryAIXMemory() +{ +#if defined(_AIX) && defined(_SC_AIX_REALMEM) + long c = sysconf(_SC_AIX_REALMEM); + if (c <= 0) { + return false; + } + + this->TotalPhysicalMemory = c / 1024; + + return true; +#else + return false; +#endif +} + +bool SystemInformationImplementation::QueryMemoryBySysconf() +{ +#if defined(_SC_PHYS_PAGES) && defined(_SC_PAGESIZE) + // Assume the mmap() granularity as returned by _SC_PAGESIZE is also + // the system page size. The only known system where this isn't true + // is Cygwin. + long p = sysconf(_SC_PHYS_PAGES); + long m = sysconf(_SC_PAGESIZE); + + if (p < 0 || m < 0) { + return false; + } + + // assume pagesize is a power of 2 and smaller 1 MiB + size_t pagediv = (1024 * 1024 / m); + + this->TotalPhysicalMemory = p; + this->TotalPhysicalMemory /= pagediv; + +# if defined(_SC_AVPHYS_PAGES) + p = sysconf(_SC_AVPHYS_PAGES); + if (p < 0) { + return false; + } + + this->AvailablePhysicalMemory = p; + this->AvailablePhysicalMemory /= pagediv; +# endif + + return true; +#else + return false; +#endif +} + +/** Query for the memory status */ +bool SystemInformationImplementation::QueryMemory() +{ + return this->QueryMemoryBySysconf(); +} + +/** */ +size_t SystemInformationImplementation::GetTotalVirtualMemory() +{ + return this->TotalVirtualMemory; +} + +/** */ +size_t SystemInformationImplementation::GetAvailableVirtualMemory() +{ + return this->AvailableVirtualMemory; +} + +size_t SystemInformationImplementation::GetTotalPhysicalMemory() +{ + return this->TotalPhysicalMemory; +} + +/** */ +size_t SystemInformationImplementation::GetAvailablePhysicalMemory() +{ + return this->AvailablePhysicalMemory; +} + +/** Get Cycle differences */ +SystemInformation::LongLong +SystemInformationImplementation::GetCyclesDifference(DELAY_FUNC DelayFunction, + unsigned int uiParameter) +{ +#if defined(_MSC_VER) && (_MSC_VER >= 1400) + unsigned __int64 stamp1, stamp2; + + stamp1 = __rdtsc(); + DelayFunction(uiParameter); + stamp2 = __rdtsc(); + + return stamp2 - stamp1; +#elif USE_ASM_INSTRUCTIONS + + unsigned int edx1, eax1; + unsigned int edx2, eax2; + + // Calculate the frequency of the CPU instructions. + __try { + _asm { + push uiParameter ; push parameter param + mov ebx, DelayFunction ; store func in ebx + + RDTSC_INSTRUCTION + + mov esi, eax ; esi = eax + mov edi, edx ; edi = edx + + call ebx ; call the delay functions + + RDTSC_INSTRUCTION + + pop ebx + + mov edx2, edx ; edx2 = edx + mov eax2, eax ; eax2 = eax + + mov edx1, edi ; edx2 = edi + mov eax1, esi ; eax2 = esi + } + } __except (1) { + return -1; + } + + return ((((__int64)edx2 << 32) + eax2) - (((__int64)edx1 << 32) + eax1)); + +#else + (void)DelayFunction; + (void)uiParameter; + return -1; +#endif +} + +/** Compute the delay overhead */ +void SystemInformationImplementation::DelayOverhead(unsigned int uiMS) +{ +#if defined(_WIN32) + LARGE_INTEGER Frequency, StartCounter, EndCounter; + __int64 x; + + // Get the frequency of the high performance counter. + if (!QueryPerformanceFrequency(&Frequency)) { + return; + } + x = Frequency.QuadPart / 1000 * uiMS; + + // Get the starting position of the counter. + QueryPerformanceCounter(&StartCounter); + + do { + // Get the ending position of the counter. + QueryPerformanceCounter(&EndCounter); + } while (EndCounter.QuadPart - StartCounter.QuadPart == x); +#endif + (void)uiMS; +} + +/** Works only for windows */ +bool SystemInformationImplementation::IsSMTSupported() +{ + return this->Features.ExtendedFeatures.LogicalProcessorsPerPhysical > 1; +} + +/** Return the APIC Id. Works only for windows. */ +unsigned char SystemInformationImplementation::GetAPICId() +{ + int Regs[4] = { 0, 0, 0, 0 }; + +#if USE_CPUID + if (!this->IsSMTSupported()) { + return static_cast<unsigned char>(-1); // HT not supported + } // Logical processor = 1 + call_cpuid(1, Regs); +#endif + + return static_cast<unsigned char>((Regs[1] & INITIAL_APIC_ID_BITS) >> 24); +} + +/** Count the number of CPUs. Works only on windows. */ +void SystemInformationImplementation::CPUCountWindows() +{ +#if defined(_WIN32) + this->NumberOfPhysicalCPU = 0; + this->NumberOfLogicalCPU = 0; + + typedef BOOL(WINAPI * GetLogicalProcessorInformationType)( + PSYSTEM_LOGICAL_PROCESSOR_INFORMATION, PDWORD); + static GetLogicalProcessorInformationType pGetLogicalProcessorInformation = + (GetLogicalProcessorInformationType)GetProcAddress( + GetModuleHandleW(L"kernel32"), "GetLogicalProcessorInformation"); + + if (!pGetLogicalProcessorInformation) { + // Fallback to approximate implementation on ancient Windows versions. + SYSTEM_INFO info; + ZeroMemory(&info, sizeof(info)); + GetSystemInfo(&info); + this->NumberOfPhysicalCPU = + static_cast<unsigned int>(info.dwNumberOfProcessors); + this->NumberOfLogicalCPU = this->NumberOfPhysicalCPU; + return; + } + + std::vector<SYSTEM_LOGICAL_PROCESSOR_INFORMATION> ProcInfo; + { + DWORD Length = 0; + DWORD rc = pGetLogicalProcessorInformation(NULL, &Length); + assert(FALSE == rc); + (void)rc; // Silence unused variable warning in Borland C++ 5.81 + assert(GetLastError() == ERROR_INSUFFICIENT_BUFFER); + ProcInfo.resize(Length / sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION)); + rc = pGetLogicalProcessorInformation(&ProcInfo[0], &Length); + assert(rc != FALSE); + (void)rc; // Silence unused variable warning in Borland C++ 5.81 + } + + typedef std::vector<SYSTEM_LOGICAL_PROCESSOR_INFORMATION>::iterator + pinfoIt_t; + for (pinfoIt_t it = ProcInfo.begin(); it != ProcInfo.end(); ++it) { + SYSTEM_LOGICAL_PROCESSOR_INFORMATION PInfo = *it; + if (PInfo.Relationship != RelationProcessorCore) { + continue; + } + + std::bitset<std::numeric_limits<ULONG_PTR>::digits> ProcMask( + (unsigned long long)PInfo.ProcessorMask); + unsigned int count = (unsigned int)ProcMask.count(); + if (count == 0) { // I think this should never happen, but just to be safe. + continue; + } + this->NumberOfPhysicalCPU++; + this->NumberOfLogicalCPU += (unsigned int)count; + this->Features.ExtendedFeatures.LogicalProcessorsPerPhysical = count; + } + this->NumberOfPhysicalCPU = std::max(1u, this->NumberOfPhysicalCPU); + this->NumberOfLogicalCPU = std::max(1u, this->NumberOfLogicalCPU); +#else +#endif +} + +/** Return the number of logical CPUs on the system */ +unsigned int SystemInformationImplementation::GetNumberOfLogicalCPU() +{ + return this->NumberOfLogicalCPU; +} + +/** Return the number of physical CPUs on the system */ +unsigned int SystemInformationImplementation::GetNumberOfPhysicalCPU() +{ + return this->NumberOfPhysicalCPU; +} + +/** For Mac use sysctlbyname calls to find system info */ +bool SystemInformationImplementation::ParseSysCtl() +{ +#if defined(__APPLE__) + char retBuf[128]; + int err = 0; + uint64_t value = 0; + size_t len = sizeof(value); + sysctlbyname("hw.memsize", &value, &len, KWSYS_NULLPTR, 0); + this->TotalPhysicalMemory = static_cast<size_t>(value / 1048576); + + // Parse values for Mac + this->AvailablePhysicalMemory = 0; + vm_statistics_data_t vmstat; + mach_msg_type_number_t count = HOST_VM_INFO_COUNT; + if (host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vmstat, + &count) == KERN_SUCCESS) { + len = sizeof(value); + err = sysctlbyname("hw.pagesize", &value, &len, KWSYS_NULLPTR, 0); + int64_t available_memory = vmstat.free_count * value; + this->AvailablePhysicalMemory = + static_cast<size_t>(available_memory / 1048576); + } + +# ifdef VM_SWAPUSAGE + // Virtual memory. + int mib[2] = { CTL_VM, VM_SWAPUSAGE }; + size_t miblen = sizeof(mib) / sizeof(mib[0]); + struct xsw_usage swap; + len = sizeof(swap); + err = sysctl(mib, miblen, &swap, &len, KWSYS_NULLPTR, 0); + if (err == 0) { + this->AvailableVirtualMemory = + static_cast<size_t>(swap.xsu_avail / 1048576); + this->TotalVirtualMemory = static_cast<size_t>(swap.xsu_total / 1048576); + } +# else + this->AvailableVirtualMemory = 0; + this->TotalVirtualMemory = 0; +# endif + + // CPU Info + len = sizeof(this->NumberOfPhysicalCPU); + sysctlbyname("hw.physicalcpu", &this->NumberOfPhysicalCPU, &len, + KWSYS_NULLPTR, 0); + len = sizeof(this->NumberOfLogicalCPU); + sysctlbyname("hw.logicalcpu", &this->NumberOfLogicalCPU, &len, KWSYS_NULLPTR, + 0); + + int cores_per_package = 0; + len = sizeof(cores_per_package); + err = sysctlbyname("machdep.cpu.cores_per_package", &cores_per_package, &len, + KWSYS_NULLPTR, 0); + // That name was not found, default to 1 + this->Features.ExtendedFeatures.LogicalProcessorsPerPhysical = + err != 0 ? 1 : static_cast<unsigned char>(cores_per_package); + + len = sizeof(value); + sysctlbyname("hw.cpufrequency", &value, &len, KWSYS_NULLPTR, 0); + this->CPUSpeedInMHz = static_cast<float>(value) / 1000000; + + // Chip family + len = sizeof(this->ChipID.Family); + // Seems only the intel chips will have this name so if this fails it is + // probably a PPC machine + err = sysctlbyname("machdep.cpu.family", &this->ChipID.Family, &len, + KWSYS_NULLPTR, 0); + if (err != 0) // Go back to names we know but are less descriptive + { + this->ChipID.Family = 0; + ::memset(retBuf, 0, 128); + len = 32; + err = sysctlbyname("hw.machine", &retBuf, &len, KWSYS_NULLPTR, 0); + std::string machineBuf(retBuf); + if (machineBuf.find_first_of("Power") != std::string::npos) { + this->ChipID.Vendor = "IBM"; + len = sizeof(this->ChipID.Family); + err = sysctlbyname("hw.cputype", &this->ChipID.Family, &len, + KWSYS_NULLPTR, 0); + len = sizeof(this->ChipID.Model); + err = sysctlbyname("hw.cpusubtype", &this->ChipID.Model, &len, + KWSYS_NULLPTR, 0); + this->FindManufacturer(); + } + } else // Should be an Intel Chip. + { + len = sizeof(this->ChipID.Family); + err = sysctlbyname("machdep.cpu.family", &this->ChipID.Family, &len, + KWSYS_NULLPTR, 0); + + ::memset(retBuf, 0, 128); + len = 128; + err = sysctlbyname("machdep.cpu.vendor", retBuf, &len, KWSYS_NULLPTR, 0); + // Chip Vendor + this->ChipID.Vendor = retBuf; + this->FindManufacturer(); + + // Chip Model + len = sizeof(value); + err = sysctlbyname("machdep.cpu.model", &value, &len, KWSYS_NULLPTR, 0); + this->ChipID.Model = static_cast<int>(value); + + // Chip Stepping + len = sizeof(value); + value = 0; + err = sysctlbyname("machdep.cpu.stepping", &value, &len, KWSYS_NULLPTR, 0); + if (!err) { + this->ChipID.Revision = static_cast<int>(value); + } + + // feature string + char* buf = KWSYS_NULLPTR; + size_t allocSize = 128; + + err = 0; + len = 0; + + // sysctlbyname() will return with err==0 && len==0 if the buffer is too + // small + while (err == 0 && len == 0) { + delete[] buf; + allocSize *= 2; + buf = new char[allocSize]; + if (!buf) { + break; + } + buf[0] = ' '; + len = allocSize - 2; // keep space for leading and trailing space + err = + sysctlbyname("machdep.cpu.features", buf + 1, &len, KWSYS_NULLPTR, 0); + } + if (!err && buf && len) { + // now we can match every flags as space + flag + space + buf[len + 1] = ' '; + std::string cpuflags(buf, len + 2); + + if ((cpuflags.find(" FPU ") != std::string::npos)) { + this->Features.HasFPU = true; + } + if ((cpuflags.find(" TSC ") != std::string::npos)) { + this->Features.HasTSC = true; + } + if ((cpuflags.find(" MMX ") != std::string::npos)) { + this->Features.HasMMX = true; + } + if ((cpuflags.find(" SSE ") != std::string::npos)) { + this->Features.HasSSE = true; + } + if ((cpuflags.find(" SSE2 ") != std::string::npos)) { + this->Features.HasSSE2 = true; + } + if ((cpuflags.find(" APIC ") != std::string::npos)) { + this->Features.HasAPIC = true; + } + if ((cpuflags.find(" CMOV ") != std::string::npos)) { + this->Features.HasCMOV = true; + } + if ((cpuflags.find(" MTRR ") != std::string::npos)) { + this->Features.HasMTRR = true; + } + if ((cpuflags.find(" ACPI ") != std::string::npos)) { + this->Features.HasACPI = true; + } + } + delete[] buf; + } + + // brand string + ::memset(retBuf, 0, sizeof(retBuf)); + len = sizeof(retBuf); + err = + sysctlbyname("machdep.cpu.brand_string", retBuf, &len, KWSYS_NULLPTR, 0); + if (!err) { + this->ChipID.ProcessorName = retBuf; + this->ChipID.ModelName = retBuf; + } + + // Cache size + len = sizeof(value); + err = sysctlbyname("hw.l1icachesize", &value, &len, KWSYS_NULLPTR, 0); + this->Features.L1CacheSize = static_cast<int>(value); + len = sizeof(value); + err = sysctlbyname("hw.l2cachesize", &value, &len, KWSYS_NULLPTR, 0); + this->Features.L2CacheSize = static_cast<int>(value); + + return true; +#else + return false; +#endif +} + +/** Extract a value from sysctl command */ +std::string SystemInformationImplementation::ExtractValueFromSysCtl( + const char* word) +{ + size_t pos = this->SysCtlBuffer.find(word); + if (pos != std::string::npos) { + pos = this->SysCtlBuffer.find(": ", pos); + size_t pos2 = this->SysCtlBuffer.find("\n", pos); + if (pos != std::string::npos && pos2 != std::string::npos) { + return this->SysCtlBuffer.substr(pos + 2, pos2 - pos - 2); + } + } + return ""; +} + +/** Run a given process */ +std::string SystemInformationImplementation::RunProcess( + std::vector<const char*> args) +{ + std::string buffer = ""; + + // Run the application + kwsysProcess* gp = kwsysProcess_New(); + kwsysProcess_SetCommand(gp, &*args.begin()); + kwsysProcess_SetOption(gp, kwsysProcess_Option_HideWindow, 1); + + kwsysProcess_Execute(gp); + + char* data = KWSYS_NULLPTR; + int length; + double timeout = 255; + int pipe; // pipe id as returned by kwsysProcess_WaitForData() + + while ((static_cast<void>( + pipe = kwsysProcess_WaitForData(gp, &data, &length, &timeout)), + (pipe == kwsysProcess_Pipe_STDOUT || + pipe == kwsysProcess_Pipe_STDERR))) // wait for 1s + { + buffer.append(data, length); + } + kwsysProcess_WaitForExit(gp, KWSYS_NULLPTR); + + int result = 0; + switch (kwsysProcess_GetState(gp)) { + case kwsysProcess_State_Exited: { + result = kwsysProcess_GetExitValue(gp); + } break; + case kwsysProcess_State_Error: { + std::cerr << "Error: Could not run " << args[0] << ":\n"; + std::cerr << kwsysProcess_GetErrorString(gp) << "\n"; + } break; + case kwsysProcess_State_Exception: { + std::cerr << "Error: " << args[0] << " terminated with an exception: " + << kwsysProcess_GetExceptionString(gp) << "\n"; + } break; + case kwsysProcess_State_Starting: + case kwsysProcess_State_Executing: + case kwsysProcess_State_Expired: + case kwsysProcess_State_Killed: { + // Should not get here. + std::cerr << "Unexpected ending state after running " << args[0] + << std::endl; + } break; + } + kwsysProcess_Delete(gp); + if (result) { + std::cerr << "Error " << args[0] << " returned :" << result << "\n"; + } + return buffer; +} + +std::string SystemInformationImplementation::ParseValueFromKStat( + const char* arguments) +{ + std::vector<const char*> args; + args.clear(); + args.push_back("kstat"); + args.push_back("-p"); + + std::string command = arguments; + size_t start = std::string::npos; + size_t pos = command.find(' ', 0); + while (pos != std::string::npos) { + bool inQuotes = false; + // Check if we are between quotes + size_t b0 = command.find('"', 0); + size_t b1 = command.find('"', b0 + 1); + while (b0 != std::string::npos && b1 != std::string::npos && b1 > b0) { + if (pos > b0 && pos < b1) { + inQuotes = true; + break; + } + b0 = command.find('"', b1 + 1); + b1 = command.find('"', b0 + 1); + } + + if (!inQuotes) { + std::string arg = command.substr(start + 1, pos - start - 1); + + // Remove the quotes if any + size_t quotes = arg.find('"'); + while (quotes != std::string::npos) { + arg.erase(quotes, 1); + quotes = arg.find('"'); + } + args.push_back(arg.c_str()); + start = pos; + } + pos = command.find(' ', pos + 1); + } + std::string lastArg = command.substr(start + 1, command.size() - start - 1); + args.push_back(lastArg.c_str()); + + args.push_back(KWSYS_NULLPTR); + + std::string buffer = this->RunProcess(args); + + std::string value = ""; + for (size_t i = buffer.size() - 1; i > 0; i--) { + if (buffer[i] == ' ' || buffer[i] == '\t') { + break; + } + if (buffer[i] != '\n' && buffer[i] != '\r') { + std::string val = value; + value = buffer[i]; + value += val; + } + } + return value; +} + +/** Querying for system information from Solaris */ +bool SystemInformationImplementation::QuerySolarisMemory() +{ +#if defined(__SVR4) && defined(__sun) +// Solaris allows querying this value by sysconf, but if this is +// a 32 bit process on a 64 bit host the returned memory will be +// limited to 4GiB. So if this is a 32 bit process or if the sysconf +// method fails use the kstat interface. +# if SIZEOF_VOID_P == 8 + if (this->QueryMemoryBySysconf()) { + return true; + } +# endif + + char* tail; + unsigned long totalMemory = + strtoul(this->ParseValueFromKStat("-s physmem").c_str(), &tail, 0); + this->TotalPhysicalMemory = totalMemory / 128; + + return true; +#else + return false; +#endif +} + +bool SystemInformationImplementation::QuerySolarisProcessor() +{ + if (!this->QueryProcessorBySysconf()) { + return false; + } + + // Parse values + this->CPUSpeedInMHz = static_cast<float>( + atoi(this->ParseValueFromKStat("-s clock_MHz").c_str())); + + // Chip family + this->ChipID.Family = 0; + + // Chip Model + this->ChipID.ProcessorName = this->ParseValueFromKStat("-s cpu_type"); + this->ChipID.Model = 0; + + // Chip Vendor + if (this->ChipID.ProcessorName != "i386") { + this->ChipID.Vendor = "Sun"; + this->FindManufacturer(); + } + + return true; +} + +/** Querying for system information from Haiku OS */ +bool SystemInformationImplementation::QueryHaikuInfo() +{ +#if defined(__HAIKU__) + + // CPU count + system_info info; + get_system_info(&info); + this->NumberOfPhysicalCPU = info.cpu_count; + + // CPU speed + uint32 topologyNodeCount = 0; + cpu_topology_node_info* topology = 0; + get_cpu_topology_info(0, &topologyNodeCount); + if (topologyNodeCount != 0) + topology = new cpu_topology_node_info[topologyNodeCount]; + get_cpu_topology_info(topology, &topologyNodeCount); + + for (uint32 i = 0; i < topologyNodeCount; i++) { + if (topology[i].type == B_TOPOLOGY_CORE) { + this->CPUSpeedInMHz = + topology[i].data.core.default_frequency / 1000000.0f; + break; + } + } + + delete[] topology; + + // Physical Memory + this->TotalPhysicalMemory = (info.max_pages * B_PAGE_SIZE) / (1024 * 1024); + this->AvailablePhysicalMemory = this->TotalPhysicalMemory - + ((info.used_pages * B_PAGE_SIZE) / (1024 * 1024)); + + // NOTE: get_system_info_etc is currently a private call so just set to 0 + // until it becomes public + this->TotalVirtualMemory = 0; + this->AvailableVirtualMemory = 0; + + // Retrieve cpuid_info union for cpu 0 + cpuid_info cpu_info; + get_cpuid(&cpu_info, 0, 0); + + // Chip Vendor + // Use a temporary buffer so that we can add NULL termination to the string + char vbuf[13]; + strncpy(vbuf, cpu_info.eax_0.vendor_id, 12); + vbuf[12] = '\0'; + this->ChipID.Vendor = vbuf; + + this->FindManufacturer(); + + // Retrieve cpuid_info union for cpu 0 this time using a register value of 1 + get_cpuid(&cpu_info, 1, 0); + + this->NumberOfLogicalCPU = cpu_info.eax_1.logical_cpus; + + // Chip type + this->ChipID.Type = cpu_info.eax_1.type; + + // Chip family + this->ChipID.Family = cpu_info.eax_1.family; + + // Chip Model + this->ChipID.Model = cpu_info.eax_1.model; + + // Chip Revision + this->ChipID.Revision = cpu_info.eax_1.stepping; + + // Chip Extended Family + this->ChipID.ExtendedFamily = cpu_info.eax_1.extended_family; + + // Chip Extended Model + this->ChipID.ExtendedModel = cpu_info.eax_1.extended_model; + + // Get ChipID.ProcessorName from other information already gathered + this->RetrieveClassicalCPUIdentity(); + + // Cache size + this->Features.L1CacheSize = 0; + this->Features.L2CacheSize = 0; + + return true; + +#else + return false; +#endif +} + +bool SystemInformationImplementation::QueryQNXMemory() +{ +#if defined(__QNX__) + std::string buffer; + std::vector<const char*> args; + args.clear(); + + args.push_back("showmem"); + args.push_back("-S"); + args.push_back(0); + buffer = this->RunProcess(args); + args.clear(); + + size_t pos = buffer.find("System RAM:"); + if (pos == std::string::npos) + return false; + pos = buffer.find(":", pos); + size_t pos2 = buffer.find("M (", pos); + if (pos2 == std::string::npos) + return false; + + pos++; + while (buffer[pos] == ' ') + pos++; + + this->TotalPhysicalMemory = atoi(buffer.substr(pos, pos2 - pos).c_str()); + return true; +#endif + return false; +} + +bool SystemInformationImplementation::QueryBSDMemory() +{ +#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) || \ + defined(__DragonFly__) + int ctrl[2] = { CTL_HW, HW_PHYSMEM }; +# if defined(HW_PHYSMEM64) + int64_t k; + ctrl[1] = HW_PHYSMEM64; +# else + int k; +# endif + size_t sz = sizeof(k); + + if (sysctl(ctrl, 2, &k, &sz, NULL, 0) != 0) { + return false; + } + + this->TotalPhysicalMemory = k >> 10 >> 10; + + return true; +#else + return false; +#endif +} + +bool SystemInformationImplementation::QueryQNXProcessor() +{ +#if defined(__QNX__) + // the output on my QNX 6.4.1 looks like this: + // Processor1: 686 Pentium II Stepping 3 2175MHz FPU + std::string buffer; + std::vector<const char*> args; + args.clear(); + + args.push_back("pidin"); + args.push_back("info"); + args.push_back(0); + buffer = this->RunProcess(args); + args.clear(); + + size_t pos = buffer.find("Processor1:"); + if (pos == std::string::npos) + return false; + + size_t pos2 = buffer.find("MHz", pos); + if (pos2 == std::string::npos) + return false; + + size_t pos3 = pos2; + while (buffer[pos3] != ' ') + --pos3; + + this->CPUSpeedInMHz = atoi(buffer.substr(pos3 + 1, pos2 - pos3 - 1).c_str()); + + pos2 = buffer.find(" Stepping", pos); + if (pos2 != std::string::npos) { + pos2 = buffer.find(" ", pos2 + 1); + if (pos2 != std::string::npos && pos2 < pos3) { + this->ChipID.Revision = + atoi(buffer.substr(pos2 + 1, pos3 - pos2).c_str()); + } + } + + this->NumberOfPhysicalCPU = 0; + do { + pos = buffer.find("\nProcessor", pos + 1); + ++this->NumberOfPhysicalCPU; + } while (pos != std::string::npos); + this->NumberOfLogicalCPU = 1; + + return true; +#else + return false; +#endif +} + +bool SystemInformationImplementation::QueryBSDProcessor() +{ +#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) || \ + defined(__DragonFly__) + int k; + size_t sz = sizeof(k); + int ctrl[2] = { CTL_HW, HW_NCPU }; + + if (sysctl(ctrl, 2, &k, &sz, NULL, 0) != 0) { + return false; + } + + this->NumberOfPhysicalCPU = k; + this->NumberOfLogicalCPU = this->NumberOfPhysicalCPU; + +# if defined(HW_CPUSPEED) + ctrl[1] = HW_CPUSPEED; + + if (sysctl(ctrl, 2, &k, &sz, NULL, 0) != 0) { + return false; + } + + this->CPUSpeedInMHz = (float)k; +# endif + +# if defined(CPU_SSE) + ctrl[0] = CTL_MACHDEP; + ctrl[1] = CPU_SSE; + + if (sysctl(ctrl, 2, &k, &sz, NULL, 0) != 0) { + return false; + } + + this->Features.HasSSE = (k > 0); +# endif + +# if defined(CPU_SSE2) + ctrl[0] = CTL_MACHDEP; + ctrl[1] = CPU_SSE2; + + if (sysctl(ctrl, 2, &k, &sz, NULL, 0) != 0) { + return false; + } + + this->Features.HasSSE2 = (k > 0); +# endif + +# if defined(CPU_CPUVENDOR) + ctrl[0] = CTL_MACHDEP; + ctrl[1] = CPU_CPUVENDOR; + char vbuf[25]; + ::memset(vbuf, 0, sizeof(vbuf)); + sz = sizeof(vbuf) - 1; + if (sysctl(ctrl, 2, vbuf, &sz, NULL, 0) != 0) { + return false; + } + + this->ChipID.Vendor = vbuf; + this->FindManufacturer(); +# endif + + return true; +#else + return false; +#endif +} + +bool SystemInformationImplementation::QueryHPUXMemory() +{ +#if defined(__hpux) + unsigned long tv = 0; + unsigned long tp = 0; + unsigned long av = 0; + unsigned long ap = 0; + struct pst_static pst; + struct pst_dynamic pdy; + + unsigned long ps = 0; + if (pstat_getstatic(&pst, sizeof(pst), (size_t)1, 0) == -1) { + return false; + } + + ps = pst.page_size; + tp = pst.physical_memory * ps; + tv = (pst.physical_memory + pst.pst_maxmem) * ps; + if (pstat_getdynamic(&pdy, sizeof(pdy), (size_t)1, 0) == -1) { + return false; + } + + ap = tp - pdy.psd_rm * ps; + av = tv - pdy.psd_vm; + this->TotalVirtualMemory = tv >> 10 >> 10; + this->TotalPhysicalMemory = tp >> 10 >> 10; + this->AvailableVirtualMemory = av >> 10 >> 10; + this->AvailablePhysicalMemory = ap >> 10 >> 10; + return true; +#else + return false; +#endif +} + +bool SystemInformationImplementation::QueryHPUXProcessor() +{ +#if defined(__hpux) +# if defined(KWSYS_SYS_HAS_MPCTL_H) + int c = mpctl(MPC_GETNUMSPUS_SYS, 0, 0); + if (c <= 0) { + return false; + } + + this->NumberOfPhysicalCPU = c; + this->NumberOfLogicalCPU = this->NumberOfPhysicalCPU; + + long t = sysconf(_SC_CPU_VERSION); + + if (t == -1) { + return false; + } + + switch (t) { + case CPU_PA_RISC1_0: + this->ChipID.Vendor = "Hewlett-Packard"; + this->ChipID.Family = 0x100; + break; + case CPU_PA_RISC1_1: + this->ChipID.Vendor = "Hewlett-Packard"; + this->ChipID.Family = 0x110; + break; + case CPU_PA_RISC2_0: + this->ChipID.Vendor = "Hewlett-Packard"; + this->ChipID.Family = 0x200; + break; +# if defined(CPU_HP_INTEL_EM_1_0) || defined(CPU_IA64_ARCHREV_0) +# ifdef CPU_HP_INTEL_EM_1_0 + case CPU_HP_INTEL_EM_1_0: +# endif +# ifdef CPU_IA64_ARCHREV_0 + case CPU_IA64_ARCHREV_0: +# endif + this->ChipID.Vendor = "GenuineIntel"; + this->Features.HasIA64 = true; + break; +# endif + default: + return false; + } + + this->FindManufacturer(); + + return true; +# else + return false; +# endif +#else + return false; +#endif +} + +/** Query the operating system information */ +bool SystemInformationImplementation::QueryOSInformation() +{ +#if defined(_WIN32) + + this->OSName = "Windows"; + + OSVERSIONINFOEXW osvi; + BOOL bIsWindows64Bit; + BOOL bOsVersionInfoEx; + char operatingSystem[256]; + + // Try calling GetVersionEx using the OSVERSIONINFOEX structure. + ZeroMemory(&osvi, sizeof(OSVERSIONINFOEXW)); + osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW); +# ifdef KWSYS_WINDOWS_DEPRECATED_GetVersionEx +# pragma warning(push) +# ifdef __INTEL_COMPILER +# pragma warning(disable : 1478) +# else +# pragma warning(disable : 4996) +# endif +# endif + bOsVersionInfoEx = GetVersionExW((OSVERSIONINFOW*)&osvi); + if (!bOsVersionInfoEx) { + osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW); + if (!GetVersionExW((OSVERSIONINFOW*)&osvi)) { + return false; + } + } +# ifdef KWSYS_WINDOWS_DEPRECATED_GetVersionEx +# pragma warning(pop) +# endif + + switch (osvi.dwPlatformId) { + case VER_PLATFORM_WIN32_NT: + // Test for the product. + if (osvi.dwMajorVersion <= 4) { + this->OSRelease = "NT"; + } + if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0) { + this->OSRelease = "2000"; + } + if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1) { + this->OSRelease = "XP"; + } + // XP Professional x64 + if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2) { + this->OSRelease = "XP"; + } +# ifdef VER_NT_WORKSTATION + // Test for product type. + if (bOsVersionInfoEx) { + if (osvi.wProductType == VER_NT_WORKSTATION) { + if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 0) { + this->OSRelease = "Vista"; + } + if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 1) { + this->OSRelease = "7"; + } +// VER_SUITE_PERSONAL may not be defined +# ifdef VER_SUITE_PERSONAL + else { + if (osvi.wSuiteMask & VER_SUITE_PERSONAL) { + this->OSRelease += " Personal"; + } else { + this->OSRelease += " Professional"; + } + } +# endif + } else if (osvi.wProductType == VER_NT_SERVER) { + // Check for .NET Server instead of Windows XP. + if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1) { + this->OSRelease = ".NET"; + } + + // Continue with the type detection. + if (osvi.wSuiteMask & VER_SUITE_DATACENTER) { + this->OSRelease += " DataCenter Server"; + } else if (osvi.wSuiteMask & VER_SUITE_ENTERPRISE) { + this->OSRelease += " Advanced Server"; + } else { + this->OSRelease += " Server"; + } + } + + sprintf(operatingSystem, "%ls (Build %ld)", osvi.szCSDVersion, + osvi.dwBuildNumber & 0xFFFF); + this->OSVersion = operatingSystem; + } else +# endif // VER_NT_WORKSTATION + { + HKEY hKey; + wchar_t szProductType[80]; + DWORD dwBufLen; + + // Query the registry to retrieve information. + RegOpenKeyExW(HKEY_LOCAL_MACHINE, + L"SYSTEM\\CurrentControlSet\\Control\\ProductOptions", 0, + KEY_QUERY_VALUE, &hKey); + RegQueryValueExW(hKey, L"ProductType", NULL, NULL, + (LPBYTE)szProductType, &dwBufLen); + RegCloseKey(hKey); + + if (lstrcmpiW(L"WINNT", szProductType) == 0) { + this->OSRelease += " Professional"; + } + if (lstrcmpiW(L"LANMANNT", szProductType) == 0) { + // Decide between Windows 2000 Advanced Server and Windows .NET + // Enterprise Server. + if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1) { + this->OSRelease += " Standard Server"; + } else { + this->OSRelease += " Server"; + } + } + if (lstrcmpiW(L"SERVERNT", szProductType) == 0) { + // Decide between Windows 2000 Advanced Server and Windows .NET + // Enterprise Server. + if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1) { + this->OSRelease += " Enterprise Server"; + } else { + this->OSRelease += " Advanced Server"; + } + } + } + + // Display version, service pack (if any), and build number. + if (osvi.dwMajorVersion <= 4) { + // NB: NT 4.0 and earlier. + sprintf(operatingSystem, "version %ld.%ld %ls (Build %ld)", + osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.szCSDVersion, + osvi.dwBuildNumber & 0xFFFF); + this->OSVersion = operatingSystem; + } else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1) { + // Windows XP and .NET server. + typedef BOOL(CALLBACK * LPFNPROC)(HANDLE, BOOL*); + HINSTANCE hKernelDLL; + LPFNPROC DLLProc; + + // Load the Kernel32 DLL. + hKernelDLL = LoadLibraryW(L"kernel32"); + if (hKernelDLL != NULL) { + // Only XP and .NET Server support IsWOW64Process so... Load + // dynamically! + DLLProc = (LPFNPROC)GetProcAddress(hKernelDLL, "IsWow64Process"); + + // If the function address is valid, call the function. + if (DLLProc != NULL) + (DLLProc)(GetCurrentProcess(), &bIsWindows64Bit); + else + bIsWindows64Bit = false; + + // Free the DLL module. + FreeLibrary(hKernelDLL); + } + } else { + // Windows 2000 and everything else. + sprintf(operatingSystem, "%ls (Build %ld)", osvi.szCSDVersion, + osvi.dwBuildNumber & 0xFFFF); + this->OSVersion = operatingSystem; + } + break; + + case VER_PLATFORM_WIN32_WINDOWS: + // Test for the product. + if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0) { + this->OSRelease = "95"; + if (osvi.szCSDVersion[1] == 'C') { + this->OSRelease += "OSR 2.5"; + } else if (osvi.szCSDVersion[1] == 'B') { + this->OSRelease += "OSR 2"; + } + } + + if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10) { + this->OSRelease = "98"; + if (osvi.szCSDVersion[1] == 'A') { + this->OSRelease += "SE"; + } + } + + if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90) { + this->OSRelease = "Me"; + } + break; + + case VER_PLATFORM_WIN32s: + this->OSRelease = "Win32s"; + break; + + default: + this->OSRelease = "Unknown"; + break; + } + + // Get the hostname + WORD wVersionRequested; + WSADATA wsaData; + char name[255]; + wVersionRequested = MAKEWORD(2, 0); + + if (WSAStartup(wVersionRequested, &wsaData) == 0) { + gethostname(name, sizeof(name)); + WSACleanup(); + } + this->Hostname = name; + + const char* arch = getenv("PROCESSOR_ARCHITECTURE"); + const char* wow64 = getenv("PROCESSOR_ARCHITEW6432"); + if (arch) { + this->OSPlatform = arch; + } + + if (wow64) { + // the PROCESSOR_ARCHITEW6432 is only defined when running 32bit programs + // on 64bit OS + this->OSIs64Bit = true; + } else if (arch) { + // all values other than x86 map to 64bit architectures + this->OSIs64Bit = (strncmp(arch, "x86", 3) != 0); + } + +#else + + struct utsname unameInfo; + int errorFlag = uname(&unameInfo); + if (errorFlag == 0) { + this->OSName = unameInfo.sysname; + this->Hostname = unameInfo.nodename; + this->OSRelease = unameInfo.release; + this->OSVersion = unameInfo.version; + this->OSPlatform = unameInfo.machine; + + // This is still insufficient to capture 64bit architecture such + // powerpc and possible mips and sparc + if (this->OSPlatform.find_first_of("64") != std::string::npos) { + this->OSIs64Bit = true; + } + } + +# ifdef __APPLE__ + this->OSName = "Unknown Apple OS"; + this->OSRelease = "Unknown product version"; + this->OSVersion = "Unknown build version"; + + this->CallSwVers("-productName", this->OSName); + this->CallSwVers("-productVersion", this->OSRelease); + this->CallSwVers("-buildVersion", this->OSVersion); +# endif + +#endif + + return true; +} + +int SystemInformationImplementation::CallSwVers(const char* arg, + std::string& ver) +{ +#ifdef __APPLE__ + std::vector<const char*> args; + args.push_back("sw_vers"); + args.push_back(arg); + args.push_back(KWSYS_NULLPTR); + ver = this->RunProcess(args); + this->TrimNewline(ver); +#else + // avoid C4100 + (void)arg; + (void)ver; +#endif + return 0; +} + +void SystemInformationImplementation::TrimNewline(std::string& output) +{ + // remove \r + std::string::size_type pos = 0; + while ((pos = output.find("\r", pos)) != std::string::npos) { + output.erase(pos); + } + + // remove \n + pos = 0; + while ((pos = output.find("\n", pos)) != std::string::npos) { + output.erase(pos); + } +} + +/** Return true if the machine is 64 bits */ +bool SystemInformationImplementation::Is64Bits() +{ + return this->OSIs64Bit; +} +} |