diff options
Diffstat (limited to 'src/sysinfo.cc')
| -rw-r--r-- | src/sysinfo.cc | 60 |
1 files changed, 38 insertions, 22 deletions
diff --git a/src/sysinfo.cc b/src/sysinfo.cc index 922e83a..7261e2a 100644 --- a/src/sysinfo.cc +++ b/src/sysinfo.cc @@ -15,6 +15,10 @@ #include "internal_macros.h" #ifdef BENCHMARK_OS_WINDOWS +#if !defined(WINVER) || WINVER < 0x0600 +#undef WINVER +#define WINVER 0x0600 +#endif // WINVER handling #include <shlwapi.h> #undef StrCat // Don't let StrCat in string_util.h be renamed to lstrcatA #include <versionhelpers.h> @@ -158,7 +162,7 @@ ValueUnion GetSysctlImp(std::string const& name) { mib[1] = HW_CPUSPEED; } - if (sysctl(mib, 2, buff.data(), &buff.Size, nullptr, 0) == -1) { + if (sysctl(mib, 2, buff.data(), &buff.size, nullptr, 0) == -1) { return ValueUnion(); } return buff; @@ -346,7 +350,7 @@ std::vector<CPUInfo::CacheInfo> GetCacheSizesWindows() { CPUInfo::CacheInfo C; C.num_sharing = static_cast<int>(b.count()); C.level = cache.Level; - C.size = cache.Size; + C.size = static_cast<int>(cache.Size); C.type = "Unknown"; switch (cache.Type) { case CacheUnified: @@ -456,6 +460,8 @@ std::string GetSystemName() { #define HOST_NAME_MAX 256 #elif defined(BENCHMARK_OS_SOLARIS) #define HOST_NAME_MAX MAXHOSTNAMELEN +#elif defined(BENCHMARK_OS_ZOS) +#define HOST_NAME_MAX _POSIX_HOST_NAME_MAX #else #pragma message("HOST_NAME_MAX not defined. using 64") #define HOST_NAME_MAX 64 @@ -468,27 +474,25 @@ std::string GetSystemName() { #endif // Catch-all POSIX block. } -int GetNumCPUs() { +int GetNumCPUsImpl() { #ifdef BENCHMARK_HAS_SYSCTL int num_cpu = -1; if (GetSysctl("hw.ncpu", &num_cpu)) return num_cpu; - fprintf(stderr, "Err: %s\n", strerror(errno)); - std::exit(EXIT_FAILURE); + PrintErrorAndDie("Err: ", strerror(errno)); #elif defined(BENCHMARK_OS_WINDOWS) SYSTEM_INFO sysinfo; // Use memset as opposed to = {} to avoid GCC missing initializer false // positives. std::memset(&sysinfo, 0, sizeof(SYSTEM_INFO)); GetSystemInfo(&sysinfo); - return sysinfo.dwNumberOfProcessors; // number of logical - // processors in the current - // group + // number of logical processors in the current group + return static_cast<int>(sysinfo.dwNumberOfProcessors); #elif defined(BENCHMARK_OS_SOLARIS) // Returns -1 in case of a failure. long num_cpu = sysconf(_SC_NPROCESSORS_ONLN); if (num_cpu < 0) { - fprintf(stderr, "sysconf(_SC_NPROCESSORS_ONLN) failed with error: %s\n", - strerror(errno)); + PrintErrorAndDie("sysconf(_SC_NPROCESSORS_ONLN) failed with error: ", + strerror(errno)); } return (int)num_cpu; #elif defined(BENCHMARK_OS_QNX) @@ -504,10 +508,13 @@ int GetNumCPUs() { int max_id = -1; std::ifstream f("/proc/cpuinfo"); if (!f.is_open()) { - std::cerr << "failed to open /proc/cpuinfo\n"; - return -1; + PrintErrorAndDie("Failed to open /proc/cpuinfo"); } +#if defined(__alpha__) + const std::string Key = "cpus detected"; +#else const std::string Key = "processor"; +#endif std::string ln; while (std::getline(f, ln)) { if (ln.empty()) continue; @@ -530,12 +537,10 @@ int GetNumCPUs() { } } if (f.bad()) { - std::cerr << "Failure reading /proc/cpuinfo\n"; - return -1; + PrintErrorAndDie("Failure reading /proc/cpuinfo"); } if (!f.eof()) { - std::cerr << "Failed to read to end of /proc/cpuinfo\n"; - return -1; + PrintErrorAndDie("Failed to read to end of /proc/cpuinfo"); } f.close(); @@ -549,6 +554,16 @@ int GetNumCPUs() { BENCHMARK_UNREACHABLE(); } +int GetNumCPUs() { + const int num_cpus = GetNumCPUsImpl(); + if (num_cpus < 1) { + PrintErrorAndDie( + "Unable to extract number of CPUs. If your platform uses " + "/proc/cpuinfo, custom support may need to be added."); + } + return num_cpus; +} + class ThreadAffinityGuard final { public: ThreadAffinityGuard() : reset_affinity(SetAffinity()) { @@ -651,7 +666,7 @@ double GetCPUCyclesPerSecond(CPUInfo::Scaling scaling) { &freq)) { // The value is in kHz (as the file name suggests). For example, on a // 2GHz warpstation, the file contains the value "2000000". - return freq * 1000.0; + return static_cast<double>(freq) * 1000.0; } const double error_value = -1; @@ -719,9 +734,9 @@ double GetCPUCyclesPerSecond(CPUInfo::Scaling scaling) { #endif unsigned long long hz = 0; #if defined BENCHMARK_OS_OPENBSD - if (GetSysctl(freqStr, &hz)) return hz * 1000000; + if (GetSysctl(freqStr, &hz)) return static_cast<double>(hz * 1000000); #else - if (GetSysctl(freqStr, &hz)) return hz; + if (GetSysctl(freqStr, &hz)) return static_cast<double>(hz); #endif fprintf(stderr, "Unable to determine clock rate from sysctl: %s: %s\n", freqStr, strerror(errno)); @@ -771,8 +786,9 @@ double GetCPUCyclesPerSecond(CPUInfo::Scaling scaling) { kstat_close(kc); return clock_hz; #elif defined(BENCHMARK_OS_QNX) - return static_cast<double>((int64_t)(SYSPAGE_ENTRY(cpuinfo)->speed) * - (int64_t)(1000 * 1000)); + return static_cast<double>( + static_cast<int64_t>(SYSPAGE_ENTRY(cpuinfo)->speed) * + static_cast<int64_t>(1000 * 1000)); #elif defined(BENCHMARK_OS_QURT) // QuRT doesn't provide any API to query Hexagon frequency. return 1000000000; @@ -820,7 +836,7 @@ std::vector<double> GetLoadAvg() { !(defined(__ANDROID__) && __ANDROID_API__ < 29) static constexpr int kMaxSamples = 3; std::vector<double> res(kMaxSamples, 0.0); - const int nelem = getloadavg(res.data(), kMaxSamples); + const size_t nelem = static_cast<size_t>(getloadavg(res.data(), kMaxSamples)); if (nelem < 1) { res.clear(); } else { |