internal static bool GetMaxProcessorSpeeds(out int[] result)
{
IntPtr zero = IntPtr.Zero;
bool flag = false;
result = new int[Environment.ProcessorCount];
try
{
flag = CPUPowerWrapper.AllocateAndGetProcessorInfo(out zero);
if (flag)
{
int num = 0;
for (int i = 0; i < Environment.ProcessorCount; i++)
{
IntPtr ptr = CPUPowerWrapper.AddOffset(zero, num);
PROCESSOR_POWER_INFORMATION processor_POWER_INFORMATION = (PROCESSOR_POWER_INFORMATION)Marshal.PtrToStructure(ptr, typeof(PROCESSOR_POWER_INFORMATION));
result[i] = (int)processor_POWER_INFORMATION.MaxMhz;
num += CPUPowerWrapper.PpiSize;
}
}
}
finally
{
Marshal.FreeCoTaskMem(zero);
}
return(flag);
}
internal static bool GetCurrentPowerInfoForProcessor(int currentProcessor, out PROCESSOR_POWER_INFORMATION ppi)
{
IntPtr zero = IntPtr.Zero;
bool flag = false;
try
{
flag = CPUPowerWrapper.AllocateAndGetProcessorInfo(out zero);
if (flag)
{
int offset = currentProcessor * CPUPowerWrapper.PpiSize;
IntPtr ptr = CPUPowerWrapper.AddOffset(zero, offset);
ppi = (PROCESSOR_POWER_INFORMATION)Marshal.PtrToStructure(ptr, typeof(PROCESSOR_POWER_INFORMATION));
}
else
{
ppi = default(PROCESSOR_POWER_INFORMATION);
}
}
finally
{
Marshal.FreeCoTaskMem(zero);
}
return(flag);
}
private static bool GetIsCpuThrottlingSupported()
{
bool isProcessorThrottlingEnabled = CPUPowerWrapper.IsProcessorThrottlingEnabled;
if (!isProcessorThrottlingEnabled && !CPUPowerWrapper.GetMaxProcessorSpeeds(out MyStopwatch.nonThrottlingCpuMHz))
{
throw new InvalidOperationException("CPUPowerWrapper.GetMaxProcessorSpeeds() unexpectedly returned false.");
}
return(isProcessorThrottlingEnabled);
}
private static void GetCurrentAndMaxMHz(int cpuId, out int current, out int max)
{
if (cpuId < 0 || cpuId > Environment.ProcessorCount)
{
throw new ArgumentException("Needs to be between 0 and Environment.ProcessorCount-1.", "cpuId");
}
current = 0;
max = 0;
if (!MyStopwatch.isCpuThrottlingSupported)
{
current = MyStopwatch.nonThrottlingCpuMHz[cpuId];
max = MyStopwatch.nonThrottlingCpuMHz[cpuId];
return;
}
PROCESSOR_POWER_INFORMATION processor_POWER_INFORMATION;
if (CPUPowerWrapper.GetCurrentPowerInfoForProcessor(cpuId, out processor_POWER_INFORMATION))
{
current = (int)processor_POWER_INFORMATION.CurrentMhz;
max = (int)processor_POWER_INFORMATION.MaxMhz;
return;
}
throw new InvalidOperationException("CPUPowerWrapper.GetCurrentPowerInfoForProcessor() unexpectedly returned false.");
}
