unsigned int PStateNV::GetGPUUtil()
{
NvAPI_Status status = NvAPI_GPU_GetDynamicPstatesInfoEx(m_hPhysicalGPU[0], &m_DynamicPStateInfo);
if(status == NVAPI_OK )
return m_DynamicPStateInfo.utilization[UTIL_DOMAIN_GPU].percentage;
else
return 0U;
}
void PStateNV::GetGPUUtils(unsigned int &gpu, unsigned int &fb, unsigned int &vid)
{
NvAPI_Status status = NvAPI_GPU_GetDynamicPstatesInfoEx(m_hPhysicalGPU[0], &m_DynamicPStateInfo);
if(status == NVAPI_OK )
{
gpu = m_DynamicPStateInfo.utilization[UTIL_DOMAIN_GPU].percentage;
fb = m_DynamicPStateInfo.utilization[UTIL_DOMAIN_FB].percentage;
vid = m_DynamicPStateInfo.utilization[UTIL_DOMAIN_VID].percentage;
}
else
gpu = fb = vid = 0U;
}
void NvidiaGPUService::ObtainGPUs()
{
NvPhysicalGpuHandle hPhysicalGpu[NVAPI_MAX_PHYSICAL_GPUS];
NvU32 physicalGpuCount = 0;
NvAPI_Status ret = NvAPI_EnumPhysicalGPUs(hPhysicalGpu, &physicalGpuCount);
m_GPUs.New(physicalGpuCount);
for (NvU32 i = 0; i < physicalGpuCount; ++i)
{
m_GPUs[i].m_AvailableValues.Resize(9);
for(auto j = 0; j < m_GPUs[i].m_AvailableValues.Count(); ++j)
{
m_GPUs[i].m_AvailableValues(j) = false;
}
m_GPUs[i].m_MaxValues.Resize(9);
m_GPUs[i].m_MinValues.Resize(9);
m_GPUs[i].m_Values.Resize(9);
m_GPUs[i].m_AdapterId = hPhysicalGpu[i];
m_GPUs[i].m_AvailableValues(GPUService::FanSpeedPercentage) = false;
m_GPUs[i].m_MaxValues(GPUService::FanSpeedPercentage) = 1;
m_GPUs[i].m_MinValues(GPUService::FanSpeedPercentage) = 0;
NvU32 tach = 0;
if(NvAPI_GPU_GetTachReading(m_GPUs[i].m_AdapterId, &tach) == NVAPI_OK)
{
m_GPUs[i].m_AvailableValues(GPUService::FanSpeedRPM) = true;
m_GPUs[i].m_MaxValues(GPUService::FanSpeedRPM) = 1;
m_GPUs[i].m_MinValues(GPUService::FanSpeedRPM) = 0;
}
NV_GPU_THERMAL_SETTINGS thermal = {0};
thermal.version = NV_GPU_THERMAL_SETTINGS_VER;
thermal.sensor[0].target = NVAPI_THERMAL_TARGET_GPU;
thermal.sensor[0].controller = NVAPI_THERMAL_CONTROLLER_GPU_INTERNAL;
if(NvAPI_GPU_GetThermalSettings(m_GPUs[i].m_AdapterId, NVAPI_THERMAL_TARGET_NONE, &thermal) == NVAPI_OK)
{
m_GPUs[i].m_AvailableValues(GPUService::GPUTemperature) = true;
m_GPUs[i].m_MaxValues(GPUService::GPUTemperature) = thermal.sensor[0].defaultMaxTemp;
m_GPUs[i].m_MinValues(GPUService::GPUTemperature) = thermal.sensor[0].defaultMinTemp;
}
NvU32 lanes;
if(NvAPI_GPU_GetCurrentPCIEDownstreamWidth(m_GPUs[i].m_AdapterId, &lanes) == NVAPI_OK)
{
m_GPUs[i].m_AvailableValues(GPUService::Lanes) = true;
m_GPUs[i].m_MaxValues(GPUService::Lanes) = 16;
m_GPUs[i].m_MinValues(GPUService::Lanes) = 0;
m_GPUs[i].m_Values(GPUService::Lanes) = lanes;
}
NV_GPU_CLOCK_FREQUENCIES_V2 clkFreq = {0};
clkFreq.ClockType = NV_GPU_CLOCK_FREQUENCIES_CURRENT_FREQ;
clkFreq.version = NV_GPU_CLOCK_FREQUENCIES_VER;
if(NvAPI_GPU_GetAllClockFrequencies(m_GPUs[i].m_AdapterId, &clkFreq) == NVAPI_OK)
{
m_GPUs[i].m_AvailableValues(GPUService::MemoryClock) = clkFreq.domain[NVAPI_GPU_PUBLIC_CLOCK_MEMORY].bIsPresent;
m_GPUs[i].m_MaxValues(GPUService::MemoryClock) = 1;
m_GPUs[i].m_MinValues(GPUService::MemoryClock) = 0;
m_GPUs[i].m_AvailableValues(GPUService::CoreClock) = clkFreq.domain[NVAPI_GPU_PUBLIC_CLOCK_GRAPHICS].bIsPresent;
m_GPUs[i].m_MaxValues(GPUService::CoreClock) = 1;
m_GPUs[i].m_MinValues(GPUService::CoreClock) = 0;
}
NV_GPU_DYNAMIC_PSTATES_INFO_EX states = {0};
states.version = NV_GPU_DYNAMIC_PSTATES_INFO_EX_VER;
if(NvAPI_GPU_GetDynamicPstatesInfoEx(m_GPUs[i].m_AdapterId, &states) == NVAPI_OK)
{
m_GPUs[i].m_AvailableValues(GPUService::GPUActivity) = states.utilization[0].bIsPresent;
m_GPUs[i].m_MaxValues(GPUService::GPUActivity) = 1;
m_GPUs[i].m_MinValues(GPUService::GPUActivity) = 0;
}
m_GPUs[i].m_AvailableValues(GPUService::BusSpeed) = false;
m_GPUs[i].m_MaxValues(GPUService::BusSpeed) = 1;
m_GPUs[i].m_MinValues(GPUService::BusSpeed) = 0;
}
}
void NvidiaGPUService::Update(const RF_Type::Size GPUIndex)
{
if(m_GPUs.Count() > 0 && GPUIndex < m_GPUs.Count())
{
if(m_GPUs[GPUIndex].m_AvailableValues(GPUService::FanSpeedRPM))
{
NvU32 tach = 0;
if(NvAPI_GPU_GetTachReading(m_GPUs[GPUIndex].m_AdapterId, &tach) == NVAPI_OK)
{
m_GPUs[GPUIndex].m_Values(GPUService::FanSpeedRPM) = tach;
}
}
if(m_GPUs[GPUIndex].m_AvailableValues(GPUService::GPUTemperature))
{
NV_GPU_THERMAL_SETTINGS thermal = {0};
thermal.version = NV_GPU_THERMAL_SETTINGS_VER;
thermal.sensor[0].target = NVAPI_THERMAL_TARGET_GPU;
thermal.sensor[0].controller = NVAPI_THERMAL_CONTROLLER_GPU_INTERNAL;
if(NvAPI_GPU_GetThermalSettings(m_GPUs[GPUIndex].m_AdapterId, NVAPI_THERMAL_TARGET_NONE, &thermal) == NVAPI_OK)
{
m_GPUs[GPUIndex].m_Values(GPUService::GPUTemperature) = thermal.sensor[0].currentTemp;
}
}
if(m_GPUs[GPUIndex].m_AvailableValues(GPUService::Lanes))
{
NvU32 lanes;
if(NvAPI_GPU_GetCurrentPCIEDownstreamWidth(m_GPUs[GPUIndex].m_AdapterId, &lanes) == NVAPI_OK)
{
m_GPUs[GPUIndex].m_Values(GPUService::Lanes) = lanes;
}
}
if(m_GPUs[GPUIndex].m_AvailableValues(GPUService::MemoryClock))
{
NV_GPU_CLOCK_FREQUENCIES_V2 clkFreq = {0};
clkFreq.ClockType = NV_GPU_CLOCK_FREQUENCIES_CURRENT_FREQ;
clkFreq.version = NV_GPU_CLOCK_FREQUENCIES_VER;
if(NvAPI_GPU_GetAllClockFrequencies(m_GPUs[GPUIndex].m_AdapterId, &clkFreq) == NVAPI_OK)
{
m_GPUs[GPUIndex].m_Values(GPUService::MemoryClock) = clkFreq.domain[NVAPI_GPU_PUBLIC_CLOCK_MEMORY].frequency / 1000;
}
}
if(m_GPUs[GPUIndex].m_AvailableValues(GPUService::CoreClock))
{
NV_GPU_CLOCK_FREQUENCIES_V2 clkFreq = {0};
clkFreq.ClockType = NV_GPU_CLOCK_FREQUENCIES_CURRENT_FREQ;
clkFreq.version = NV_GPU_CLOCK_FREQUENCIES_VER;
if(NvAPI_GPU_GetAllClockFrequencies(m_GPUs[GPUIndex].m_AdapterId, &clkFreq) == NVAPI_OK)
{
m_GPUs[GPUIndex].m_Values(GPUService::CoreClock) = clkFreq.domain[NVAPI_GPU_PUBLIC_CLOCK_GRAPHICS].frequency/1000;
}
}
if(m_GPUs[GPUIndex].m_AvailableValues(GPUService::GPUActivity))
{
NV_GPU_DYNAMIC_PSTATES_INFO_EX states = {0};
states.version = NV_GPU_DYNAMIC_PSTATES_INFO_EX_VER;
if(NvAPI_GPU_GetDynamicPstatesInfoEx(m_GPUs[GPUIndex].m_AdapterId, &states) == NVAPI_OK)
{
m_GPUs[GPUIndex].m_Values(GPUService::GPUActivity) = states.utilization[0].percentage / 100.0f;
}
}
}
}
