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corinfo
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ColumbusTech 2018-11-22 15:09:07 +03:00
parent 8c621c33c9
commit b5cf22ff1e
1 changed files with 23 additions and 19 deletions
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42
corinfo.h
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@ -37,6 +37,8 @@
#ifdef _WIN32
#include <windows.h>
#include <Powrprof.h>
#pragma comment(lib, "Powrprof.lib")
#endif
#include <stdio.h>
@ -161,11 +163,29 @@ static void __extensions(int cpu[4], struct corinfo* info);
SYSTEM_INFO sys;
MEMORYSTATUSEX mem;
struct
{
ULONG Number;
ULONG MaxMhz;
ULONG CurrentMhz;
ULONG MhzLimit;
ULONG MaxIdleState;
ULONG CurrentIdleState;
} PROCESSOR_POWER_INFORMATION, *PPI;
mem.dwLength = sizeof(mem);
GetSystemInfo(&sys);
GlobalMemoryStatusEx(&mem);
BYTE* buf = (BYTE*)malloc(sizeof(PROCESSOR_POWER_INFORMATION) * 4);
if (buf == NULL) return -1;
CallNtPowerInformation(ProcessorInformation, NULL, 0, buf, sizeof(PROCESSOR_POWER_INFORMATION) * sys.dwNumberOfProcessors);
PPI = buf;
int cpu[4];
// CPUID 0x00 code returns in EAX maximum CPUID code and vendor string in EBX, EDX, ECX.
__cpuid(cpu, 0x00000000);
@ -173,31 +193,15 @@ static void __extensions(int cpu[4], struct corinfo* info);
__brand_string(cpu, info->BrandString);
__extensions(cpu, info);
// Some WinAPI hell.
wchar_t Buffer[_MAX_PATH];
DWORD BufSize = _MAX_PATH;
DWORD dwMHz = _MAX_PATH;
HKEY hKey;
long lError = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
L"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0", 0, KEY_READ, &hKey);
if (lError != ERROR_SUCCESS)
{
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, lError, 0, Buffer, _MAX_PATH, 0);
wprintf(Buffer);
return 0;
}
RegQueryValueEx(hKey, L"~MHz", NULL, NULL, (LPBYTE)&dwMHz, &BufSize);
info->CpuCount = sys.dwNumberOfProcessors;
info->CpuFrequency = dwMHz;
info->CpuFrequency = PPI->MaxMhz;
info->RamSize = mem.ullTotalPhys / 1024;
info->RamFree = mem.ullAvailPhys / 1024;
info->RamUsage = mem.dwMemoryLoad;
free(buf);
return 0;
}
#endif