diff options
Diffstat (limited to 'Source/kwsys/SystemInformation.cxx')
| -rw-r--r-- | Source/kwsys/SystemInformation.cxx | 163 |
1 files changed, 52 insertions, 111 deletions
diff --git a/Source/kwsys/SystemInformation.cxx b/Source/kwsys/SystemInformation.cxx index c565823..ed1cdc0 100644 --- a/Source/kwsys/SystemInformation.cxx +++ b/Source/kwsys/SystemInformation.cxx @@ -169,34 +169,6 @@ typedef struct rlimit ResourceLimitType; #include <cstring> #include <memory.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 @@ -212,8 +184,7 @@ typedef struct rlimit ResourceLimitType; # define USE_CPUID_INTRINSICS 0 #endif -#if USE_ASM_INSTRUCTIONS || USE_CPUID_INTRINSICS || \ - defined(KWSYS_CXX_HAS_BORLAND_ASM_CPUID) +#if USE_ASM_INSTRUCTIONS || USE_CPUID_INTRINSICS # define USE_CPUID 1 #else # define USE_CPUID 0 @@ -273,21 +244,6 @@ static bool call_cpuid(int select, int result[4]) } 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. @@ -313,7 +269,6 @@ using DELAY_FUNC = void (*)(unsigned int); class SystemInformationImplementation { public: - using LongLong = SystemInformation::LongLong; SystemInformationImplementation(); ~SystemInformationImplementation() = default; @@ -353,16 +308,16 @@ public: size_t GetTotalPhysicalMemory() const; size_t GetAvailablePhysicalMemory() const; - LongLong GetProcessId(); + long long GetProcessId(); // Retrieve memory information in KiB. - LongLong GetHostMemoryTotal(); - LongLong GetHostMemoryAvailable(const char* hostLimitEnvVarName); - LongLong GetHostMemoryUsed(); + long long GetHostMemoryTotal(); + long long GetHostMemoryAvailable(const char* hostLimitEnvVarName); + long long GetHostMemoryUsed(); - LongLong GetProcMemoryAvailable(const char* hostLimitEnvVarName, - const char* procLimitEnvVarName); - LongLong GetProcMemoryUsed(); + long long GetProcMemoryAvailable(const char* hostLimitEnvVarName, + const char* procLimitEnvVarName); + long long GetProcMemoryUsed(); double GetLoadAverage(); @@ -521,7 +476,8 @@ protected: void CPUCountWindows(); // For windows unsigned char GetAPICId(); // For windows bool IsSMTSupported() const; - static LongLong GetCyclesDifference(DELAY_FUNC, unsigned int); // For windows + static long long GetCyclesDifference(DELAY_FUNC, + unsigned int); // For windows // For Linux and Cygwin, /proc/cpuinfo formats are slightly different bool RetreiveInformationFromCpuInfoFile(); @@ -812,42 +768,41 @@ std::string SystemInformation::GetMemoryDescription( const char* hostLimitEnvVarName, const char* procLimitEnvVarName) { std::ostringstream oss; - oss << "Host Total: " << iostreamLongLong(this->GetHostMemoryTotal()) + oss << "Host Total: " << this->GetHostMemoryTotal() << " KiB, Host Available: " - << iostreamLongLong(this->GetHostMemoryAvailable(hostLimitEnvVarName)) + << this->GetHostMemoryAvailable(hostLimitEnvVarName) << " KiB, Process Available: " - << iostreamLongLong(this->GetProcMemoryAvailable(hostLimitEnvVarName, - procLimitEnvVarName)) + << this->GetProcMemoryAvailable(hostLimitEnvVarName, procLimitEnvVarName) << " KiB"; return oss.str(); } // host memory info in units of KiB. -SystemInformation::LongLong SystemInformation::GetHostMemoryTotal() +long long SystemInformation::GetHostMemoryTotal() { return this->Implementation->GetHostMemoryTotal(); } -SystemInformation::LongLong SystemInformation::GetHostMemoryAvailable( +long long SystemInformation::GetHostMemoryAvailable( const char* hostLimitEnvVarName) { return this->Implementation->GetHostMemoryAvailable(hostLimitEnvVarName); } -SystemInformation::LongLong SystemInformation::GetHostMemoryUsed() +long long SystemInformation::GetHostMemoryUsed() { return this->Implementation->GetHostMemoryUsed(); } // process memory info in units of KiB. -SystemInformation::LongLong SystemInformation::GetProcMemoryAvailable( +long long SystemInformation::GetProcMemoryAvailable( const char* hostLimitEnvVarName, const char* procLimitEnvVarName) { return this->Implementation->GetProcMemoryAvailable(hostLimitEnvVarName, procLimitEnvVarName); } -SystemInformation::LongLong SystemInformation::GetProcMemoryUsed() +long long SystemInformation::GetProcMemoryUsed() { return this->Implementation->GetProcMemoryUsed(); } @@ -857,7 +812,7 @@ double SystemInformation::GetLoadAverage() return this->Implementation->GetLoadAverage(); } -SystemInformation::LongLong SystemInformation::GetProcessId() +long long SystemInformation::GetProcessId() { return this->Implementation->GetProcessId(); } @@ -3628,8 +3583,7 @@ bool SystemInformationImplementation::QueryProcessor() /** Get total system RAM in units of KiB. */ -SystemInformation::LongLong -SystemInformationImplementation::GetHostMemoryTotal() +long long SystemInformationImplementation::GetHostMemoryTotal() { #if defined(_WIN32) # if defined(_MSC_VER) && _MSC_VER < 1300 @@ -3644,7 +3598,7 @@ SystemInformationImplementation::GetHostMemoryTotal() return statex.ullTotalPhys / 1024; # endif #elif defined(__linux) - SystemInformation::LongLong memTotal = 0; + long long memTotal = 0; int ierr = GetFieldFromFile("/proc/meminfo", "MemTotal:", memTotal); if (ierr) { return -1; @@ -3667,11 +3621,10 @@ SystemInformationImplementation::GetHostMemoryTotal() 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( +long long SystemInformationImplementation::GetHostMemoryAvailable( const char* hostLimitEnvVarName) { - SystemInformation::LongLong memTotal = this->GetHostMemoryTotal(); + long long memTotal = this->GetHostMemoryTotal(); // the following mechanism is provided for systems that // apply resource limits across groups of processes. @@ -3682,8 +3635,7 @@ SystemInformationImplementation::GetHostMemoryAvailable( if (hostLimitEnvVarName) { const char* hostLimitEnvVarValue = getenv(hostLimitEnvVarName); if (hostLimitEnvVarValue) { - SystemInformation::LongLong hostLimit = - atoLongLong(hostLimitEnvVarValue); + long long hostLimit = std::atoll(hostLimitEnvVarValue); if (hostLimit > 0) { memTotal = min(hostLimit, memTotal); } @@ -3697,20 +3649,17 @@ SystemInformationImplementation::GetHostMemoryAvailable( 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( +long long SystemInformationImplementation::GetProcMemoryAvailable( const char* hostLimitEnvVarName, const char* procLimitEnvVarName) { - SystemInformation::LongLong memAvail = - this->GetHostMemoryAvailable(hostLimitEnvVarName); + long long 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); + long long procLimit = std::atoll(procLimitEnvVarValue); if (procLimit > 0) { memAvail = min(procLimit, memAvail); } @@ -3722,28 +3671,24 @@ SystemInformationImplementation::GetProcMemoryAvailable( ResourceLimitType rlim; ierr = GetResourceLimit(RLIMIT_DATA, &rlim); if ((ierr == 0) && (rlim.rlim_cur != RLIM_INFINITY)) { - memAvail = - min((SystemInformation::LongLong)rlim.rlim_cur / 1024, memAvail); + memAvail = min((long long)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); + memAvail = min((long long)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); + memAvail = min((long long)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); + memAvail = min((long long)rlim.rlim_cur / 1024, memAvail); } #endif @@ -3753,8 +3698,7 @@ SystemInformationImplementation::GetProcMemoryAvailable( /** Get RAM used by all processes in the host, in units of KiB. */ -SystemInformation::LongLong -SystemInformationImplementation::GetHostMemoryUsed() +long long SystemInformationImplementation::GetHostMemoryUsed() { #if defined(_WIN32) # if defined(_MSC_VER) && _MSC_VER < 1300 @@ -3771,39 +3715,38 @@ SystemInformationImplementation::GetHostMemoryUsed() #elif defined(__linux) // First try to use MemAvailable, but it only works on newer kernels const char* names2[3] = { "MemTotal:", "MemAvailable:", nullptr }; - SystemInformation::LongLong values2[2] = { SystemInformation::LongLong(0) }; + long long values2[2] = { 0 }; int ierr = GetFieldsFromFile("/proc/meminfo", names2, values2); if (ierr) { const char* names4[5] = { "MemTotal:", "MemFree:", "Buffers:", "Cached:", nullptr }; - SystemInformation::LongLong values4[4] = { SystemInformation::LongLong( - 0) }; + long long values4[4] = { 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]; + long long& memTotal = values4[0]; + long long& memFree = values4[1]; + long long& memBuffers = values4[2]; + long long& memCached = values4[3]; return memTotal - memFree - memBuffers - memCached; } - SystemInformation::LongLong& memTotal = values2[0]; - SystemInformation::LongLong& memAvail = values2[1]; + long long& memTotal = values2[0]; + long long& memAvail = values2[1]; return memTotal - memAvail; #elif defined(__APPLE__) - SystemInformation::LongLong psz = getpagesize(); + long long psz = getpagesize(); if (psz < 1) { return -1; } const char* names[3] = { "Pages wired down:", "Pages active:", nullptr }; - SystemInformation::LongLong values[2] = { SystemInformation::LongLong(0) }; + long long values[2] = { 0 }; int ierr = GetFieldsFromCommand("vm_stat", names, values); if (ierr) { return -1; } - SystemInformation::LongLong& vmWired = values[0]; - SystemInformation::LongLong& vmActive = values[1]; + long long& vmWired = values[0]; + long long& vmActive = values[1]; return ((vmActive + vmWired) * psz) / 1024; #else return 0; @@ -3814,8 +3757,7 @@ SystemInformationImplementation::GetHostMemoryUsed() Get system RAM used by the process associated with the given process id in units of KiB. */ -SystemInformation::LongLong -SystemInformationImplementation::GetProcMemoryUsed() +long long SystemInformationImplementation::GetProcMemoryUsed() { #if defined(_WIN32) && defined(KWSYS_SYS_HAS_PSAPI) long pid = GetCurrentProcessId(); @@ -3832,14 +3774,14 @@ SystemInformationImplementation::GetProcMemoryUsed() } return pmc.WorkingSetSize / 1024; #elif defined(__linux) - SystemInformation::LongLong memUsed = 0; + long long memUsed = 0; int ierr = GetFieldFromFile("/proc/self/status", "VmRSS:", memUsed); if (ierr) { return -1; } return memUsed; #elif defined(__APPLE__) - SystemInformation::LongLong memUsed = 0; + long long memUsed = 0; pid_t pid = getpid(); std::ostringstream oss; oss << "ps -o rss= -p " << pid; @@ -3903,7 +3845,7 @@ double SystemInformationImplementation::GetLoadAverage() /** Get the process id of the running process. */ -SystemInformation::LongLong SystemInformationImplementation::GetProcessId() +long long SystemInformationImplementation::GetProcessId() { #if defined(_WIN32) return GetCurrentProcessId(); @@ -4316,9 +4258,8 @@ size_t SystemInformationImplementation::GetAvailablePhysicalMemory() const } /** Get Cycle differences */ -SystemInformation::LongLong -SystemInformationImplementation::GetCyclesDifference(DELAY_FUNC DelayFunction, - unsigned int uiParameter) +long long SystemInformationImplementation::GetCyclesDifference( + DELAY_FUNC DelayFunction, unsigned int uiParameter) { #if defined(_MSC_VER) && (_MSC_VER >= 1400) unsigned __int64 stamp1, stamp2; @@ -4449,12 +4390,12 @@ void SystemInformationImplementation::CPUCountWindows() DWORD Length = 0; DWORD rc = pGetLogicalProcessorInformation(nullptr, &Length); assert(FALSE == rc); - (void)rc; // Silence unused variable warning in Borland C++ 5.81 + (void)rc; // Silence unused variable warning 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 + (void)rc; // Silence unused variable warning } typedef std::vector<SYSTEM_LOGICAL_PROCESSOR_INFORMATION>::iterator |