static NVML()
{
if (instance == null)
{
instance = new NVML();
}
}
public override string GetReport()
{
StringBuilder r = new StringBuilder();
r.AppendLine("Nvidia GPU");
r.AppendLine();
r.AppendFormat("Name: {0}{1}", name, Environment.NewLine);
NVML.NvmlDeviceGetIndex(handle, out uint index);
r.AppendFormat("Index: {0}{1}", index, Environment.NewLine);
if (NVML.GetDriverVersionString(out string drvVer) == NvmlReturn.SUCCESS)
{
r.AppendLine("Driver Version: " + drvVer);
}
r.AppendLine();
NvmlPciInfo pciInfo = new NvmlPciInfo();
if (NVML.NvmlDeviceGetPciInfo(handle, ref pciInfo) == NvmlReturn.SUCCESS)
{
r.AppendLine("PCIBus: " + pciInfo.busId);
r.Append("PCIBusId: 0x");
r.AppendLine(pciInfo.bus.ToString("X", CultureInfo.InvariantCulture));
r.Append("PCISubSystemID: 0x");
r.AppendLine(pciInfo.pciSubSystemId.ToString("X", CultureInfo.InvariantCulture));
r.Append("DeviceID: 0x");
r.AppendLine(pciInfo.pciDeviceId.ToString("X", CultureInfo.InvariantCulture));
r.AppendLine();
}
if (NVML.NvmlDeviceGetCurrPcieLinkGeneration(handle, out uint linkGen) == NvmlReturn.SUCCESS)
{
r.AppendLine("PCIE Generation: " + linkGen);
}
if (NVML.NvmlDeviceGetCurrPcieLinkWidth(handle, out uint linkWidth) == NvmlReturn.SUCCESS)
{
r.AppendLine("PCIE Width: x" + linkWidth);
}
r.AppendLine();
if (NVML.GetDeviceUUID(handle, out string uuid) == NvmlReturn.SUCCESS)
{
r.AppendLine("Device UUID: " + uuid);
}
if (NVML.GetDeviceVbiosVersionString(handle, out string vbios) == NvmlReturn.SUCCESS)
{
r.AppendLine("VBIOS Version: " + vbios);
}
r.AppendLine();
r.AppendLine();
return(r.ToString());
}
public NvidiaGPU(uint deviceIndex, ISettings settings)
: base(GetName(deviceIndex), new Identifier("nvidiagpu",
deviceIndex.ToString(CultureInfo.InvariantCulture)), settings)
{
if (NVML.NvmlDeviceGetHandleByIndex(deviceIndex, ref handle) != NvmlReturn.SUCCESS)
{
return;
}
clocks = new Sensor[3];
clocks[0] = new Sensor("GPU Core", 0, SensorType.Clock, this, settings);
clocks[1] = new Sensor("GPU Memory", 2, SensorType.Clock, this, settings);
clocks[2] = new Sensor("GPU Shader", 3, SensorType.Clock, this, settings);
foreach (var clock in clocks)
{
ActivateSensor(clock);
}
thermal = new Sensor("GPU Core", 0, SensorType.Temperature, this, settings);
ActivateSensor(thermal);
// Shows % instead of RPM
//fan = new Sensor("GPU Fan", 0, SensorType.Fan, this, settings);
fan = new Sensor("GPU Fan", 0, SensorType.Level, this, settings);
ActivateSensor(fan);
powers = new Sensor[2];
powers[0] = new Sensor("GPU Power", 0, SensorType.Power, this, settings);
powers[1] = new Sensor("GPU TDP", 1, SensorType.Level, this, settings);
foreach (var power in powers)
{
ActivateSensor(power);
}
loads = new Sensor[3];
loads[0] = new Sensor("GPU Core", 0, SensorType.Load, this, settings);
loads[1] = new Sensor("GPU Memory Controller", 1, SensorType.Load, this, settings);
loads[2] = new Sensor("GPU Video Engine", 2, SensorType.Load, this, settings);
foreach (var load in loads)
{
ActivateSensor(load);
}
memory = new Sensor[4];
memory[0] = new Sensor("GPU Memory", 3, SensorType.Load, this, settings);
memory[1] = new Sensor("GPU Memory Total", 0, SensorType.SmallData, this, settings);
memory[2] = new Sensor("GPU Memory Used", 1, SensorType.SmallData, this, settings);
memory[3] = new Sensor("GPU Memory Free", 2, SensorType.SmallData, this, settings);
foreach (var mem in memory)
{
ActivateSensor(mem);
}
}
public void Close()
{
foreach (Hardware gpu in hardware)
{
gpu.Close();
}
if (NVML.IsInitialized)
{
NVML.NvmlShutdown();
}
}
public NvidiaNVMLGPU(int adapterIndex, NvPhysicalGpuHandle handle,
NvDisplayHandle?displayHandle, ISettings settings, NVML nvml)
: base(adapterIndex, handle, displayHandle, settings)
{
if (nvml == null)
{
throw new ArgumentNullException(nameof(nvml));
}
this.nvml = nvml;
if (nvml.Initialised)
{
device = nvml.NvmlDeviceGetHandleByIndex(adapterIndex);
if (device.HasValue)
{
powerUsage = new Sensor("GPU Package", 0, SensorType.Power, this, settings);
}
}
}
public override void Update()
{
foreach (var clock in clocks)
{
NVML.NvmlDeviceGetClockInfo(handle, (NvmlClockType)clock.Index, out uint clockMhz);
clock.Value = clockMhz;
}
NVML.NvmlDeviceGetTemperature(handle, NvmlTemperatureSensors.GPU, out uint temp);
thermal.Value = temp;
NVML.NvmlDeviceGetFanSpeed(handle, out uint fanSpeed);
fan.Value = fanSpeed;
NVML.NvmlDeviceGetPowerUsage(handle, out uint powerUsage);
powers[0].Value = powerUsage / 1000.0f;
NVML.NvmlDeviceGetPowerManagementDefaultLimit(handle, out uint tdp);
powers[1].Value = powerUsage * 100.0f / tdp;
NvmlUtilization util = new NvmlUtilization();
NVML.NvmlDeviceGetUtilizationRates(handle, ref util);
loads[0].Value = util.gpu;
loads[1].Value = util.memory;
NVML.NvmlDeviceGetDecoderUtilization(handle, out uint videoUtil, out uint vidSamPer);
loads[2].Value = videoUtil;
NvmlMemory memInfo = new NvmlMemory();
NVML.NvmlDeviceGetMemoryInfo(handle, ref memInfo);
memory[0].Value = 100.0f * memInfo.used / memInfo.total;
memory[1].Value = (float)(memInfo.total / byteConv);
memory[2].Value = (float)(memInfo.used / byteConv);
memory[3].Value = (float)(memInfo.free / byteConv);
}
public NvidiaGPU(int adapterIndex, NvPhysicalGpuHandle handle,
NvDisplayHandle?displayHandle, ISettings settings)
: base(GetName(handle), new Identifier("nvidiagpu",
adapterIndex.ToString(CultureInfo.InvariantCulture)), settings)
{
this.adapterIndex = adapterIndex;
this.handle = handle;
this.displayHandle = displayHandle;
NvGPUThermalSettings thermalSettings = GetThermalSettings();
temperatures = new Sensor[thermalSettings.Count];
for (int i = 0; i < temperatures.Length; i++)
{
NvSensor sensor = thermalSettings.Sensor[i];
string name;
switch (sensor.Target)
{
case NvThermalTarget.BOARD: name = "GPU Board"; break;
case NvThermalTarget.GPU: name = "GPU Core"; break;
case NvThermalTarget.MEMORY: name = "GPU Memory"; break;
case NvThermalTarget.POWER_SUPPLY: name = "GPU Power Supply"; break;
case NvThermalTarget.UNKNOWN: name = "GPU Unknown"; break;
default: name = "GPU"; break;
}
temperatures[i] = new Sensor(name, i, SensorType.Temperature, this,
new ParameterDescription[0], settings);
ActivateSensor(temperatures[i]);
}
fan = new Sensor("GPU", 0, SensorType.Fan, this, settings);
clocks = new Sensor[3];
clocks[0] = new Sensor("GPU Core", 0, SensorType.Clock, this, settings);
clocks[1] = new Sensor("GPU Memory", 1, SensorType.Clock, this, settings);
clocks[2] = new Sensor("GPU Shader", 2, SensorType.Clock, this, settings);
for (int i = 0; i < clocks.Length; i++)
{
ActivateSensor(clocks[i]);
}
loads = new Sensor[4];
loads[0] = new Sensor("GPU Core", 0, SensorType.Load, this, settings);
loads[1] = new Sensor("GPU Frame Buffer", 1, SensorType.Load, this, settings);
loads[2] = new Sensor("GPU Video Engine", 2, SensorType.Load, this, settings);
loads[3] = new Sensor("GPU Bus Interface", 3, SensorType.Load, this, settings);
memoryLoad = new Sensor("GPU Memory", 4, SensorType.Load, this, settings);
memoryFree = new Sensor("GPU Memory Free", 1, SensorType.SmallData, this, settings);
memoryUsed = new Sensor("GPU Memory Used", 2, SensorType.SmallData, this, settings);
memoryAvail = new Sensor("GPU Memory Total", 3, SensorType.SmallData, this, settings);
control = new Sensor("GPU Fan", 0, SensorType.Control, this, settings);
NvGPUCoolerSettings coolerSettings = GetCoolerSettings();
if (coolerSettings.Count > 0)
{
fanControl = new Control(control, settings,
coolerSettings.Cooler[0].DefaultMin,
coolerSettings.Cooler[0].DefaultMax);
fanControl.ControlModeChanged += ControlModeChanged;
fanControl.SoftwareControlValueChanged += SoftwareControlValueChanged;
ControlModeChanged(fanControl);
control.Control = fanControl;
}
if (NVML.IsInitialized)
{
if (NVAPI.NvAPI_GPU_GetBusId != null &&
NVAPI.NvAPI_GPU_GetBusId(handle, out uint busId) == NvStatus.OK)
{
if (NVML.NvmlDeviceGetHandleByPciBusId != null &&
NVML.NvmlDeviceGetHandleByPciBusId(
"0000:" + busId.ToString("X2") + ":00.0", out var result)
== NVML.NvmlReturn.Success)
{
device = result;
power = new Sensor("GPU Power", 0, SensorType.Power, this, settings);
pcieThroughputRx = new Sensor("GPU PCIE Rx", 0,
SensorType.Throughput, this, settings);
pcieThroughputTx = new Sensor("GPU PCIE Tx", 1,
SensorType.Throughput, this, settings);
}
}
}
Update();
}
public override void Update()
{
NvGPUThermalSettings settings = GetThermalSettings();
foreach (Sensor sensor in temperatures)
{
sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;
}
bool tachReadingOk = false;
if (NVAPI.NvAPI_GPU_GetTachReading != null &&
NVAPI.NvAPI_GPU_GetTachReading(handle, out int fanValue) == NvStatus.OK)
{
fan.Value = fanValue;
ActivateSensor(fan);
tachReadingOk = true;
}
uint[] values = GetClocks();
if (values != null)
{
clocks[1].Value = 0.001f * values[8];
if (values[30] != 0)
{
clocks[0].Value = 0.0005f * values[30];
clocks[2].Value = 0.001f * values[30];
}
else
{
clocks[0].Value = 0.001f * values[0];
clocks[2].Value = 0.001f * values[14];
}
}
var infoEx = new NvDynamicPstatesInfoEx();
infoEx.Version = NVAPI.GPU_DYNAMIC_PSTATES_INFO_EX_VER;
infoEx.UtilizationDomains =
new NvUtilizationDomainEx[NVAPI.NVAPI_MAX_GPU_UTILIZATIONS];
if (NVAPI.NvAPI_GPU_GetDynamicPstatesInfoEx != null &&
NVAPI.NvAPI_GPU_GetDynamicPstatesInfoEx(handle, ref infoEx) == NvStatus.OK)
{
for (int i = 0; i < loads.Length; i++)
{
if (infoEx.UtilizationDomains[i].Present)
{
loads[i].Value = infoEx.UtilizationDomains[i].Percentage;
ActivateSensor(loads[i]);
}
}
}
else
{
var info = new NvDynamicPstatesInfo();
info.Version = NVAPI.GPU_DYNAMIC_PSTATES_INFO_VER;
info.UtilizationDomains =
new NvUtilizationDomain[NVAPI.NVAPI_MAX_GPU_UTILIZATIONS];
if (NVAPI.NvAPI_GPU_GetDynamicPstatesInfo != null &&
NVAPI.NvAPI_GPU_GetDynamicPstatesInfo(handle, ref info) == NvStatus.OK)
{
for (int i = 0; i < loads.Length; i++)
{
if (info.UtilizationDomains[i].Present)
{
loads[i].Value = info.UtilizationDomains[i].Percentage;
ActivateSensor(loads[i]);
}
}
}
}
var coolerSettings = GetCoolerSettings();
var coolerSettingsOk = false;
if (coolerSettings.Count > 0)
{
control.Value = coolerSettings.Cooler[0].CurrentLevel;
ActivateSensor(control);
coolerSettingsOk = true;
}
if (!tachReadingOk || !coolerSettingsOk)
{
var coolersStatus = GetFanCoolersStatus();
if (coolersStatus.Count > 0)
{
if (!coolerSettingsOk)
{
control.Value = coolersStatus.Items[0].CurrentLevel;
ActivateSensor(control);
coolerSettingsOk = true;
}
if (!tachReadingOk)
{
fan.Value = coolersStatus.Items[0].CurrentRpm;
ActivateSensor(fan);
tachReadingOk = true;
}
}
}
NvDisplayDriverMemoryInfo memoryInfo = new NvDisplayDriverMemoryInfo();
memoryInfo.Version = NVAPI.DISPLAY_DRIVER_MEMORY_INFO_VER;
memoryInfo.Values = new uint[NVAPI.MAX_MEMORY_VALUES_PER_GPU];
if (NVAPI.NvAPI_GetDisplayDriverMemoryInfo != null && displayHandle.HasValue &&
NVAPI.NvAPI_GetDisplayDriverMemoryInfo(displayHandle.Value, ref memoryInfo) ==
NvStatus.OK)
{
uint totalMemory = memoryInfo.Values[0];
uint freeMemory = memoryInfo.Values[4];
float usedMemory = Math.Max(totalMemory - freeMemory, 0);
memoryFree.Value = freeMemory / 1024;
memoryAvail.Value = totalMemory / 1024;
memoryUsed.Value = usedMemory / 1024;
memoryLoad.Value = 100f * usedMemory / totalMemory;
ActivateSensor(memoryAvail);
ActivateSensor(memoryUsed);
ActivateSensor(memoryFree);
ActivateSensor(memoryLoad);
}
if (power != null)
{
if (NVML.NvmlDeviceGetPowerUsage(device.Value, out int powerValue)
== NVML.NvmlReturn.Success)
{
power.Value = powerValue * 0.001f;
ActivateSensor(power);
}
}
if (pcieThroughputRx != null)
{
if (NVML.NvmlDeviceGetPcieThroughput(device.Value,
NVML.NvmlPcieUtilCounter.RxBytes, out uint value)
== NVML.NvmlReturn.Success)
{
pcieThroughputRx.Value = value * (1.0f / 0x400);
ActivateSensor(pcieThroughputRx);
}
}
if (pcieThroughputTx != null)
{
if (NVML.NvmlDeviceGetPcieThroughput(device.Value,
NVML.NvmlPcieUtilCounter.TxBytes, out uint value)
== NVML.NvmlReturn.Success)
{
pcieThroughputTx.Value = value * (1.0f / 0x400);
ActivateSensor(pcieThroughputTx);
}
}
}
private static string GetName(uint deviceIndex)
{
NVML.GetDeviceName(deviceIndex, out string name);
return(name);
}
public override void Close()
{
NVML.Close();
base.Close();
}
public NvidiaGroup(ISettings settings)
{
if (!NVAPI.IsAvailable)
{
return;
}
report.AppendLine("NVAPI");
report.AppendLine();
string version;
if (NVAPI.NvAPI_GetInterfaceVersionString(out version) == NvStatus.OK)
{
report.Append(" Version: ");
report.AppendLine(version);
}
NvPhysicalGpuHandle[] handles =
new NvPhysicalGpuHandle[NVAPI.MAX_PHYSICAL_GPUS];
int count;
if (NVAPI.NvAPI_EnumPhysicalGPUs == null)
{
report.AppendLine(" Error: NvAPI_EnumPhysicalGPUs not available");
report.AppendLine();
return;
}
else
{
NvStatus status = NVAPI.NvAPI_EnumPhysicalGPUs(handles, out count);
if (status != NvStatus.OK)
{
report.AppendLine(" Status: " + status);
report.AppendLine();
return;
}
}
var result = NVML.NvmlInit();
report.AppendLine();
report.AppendLine("NVML");
report.AppendLine();
report.AppendLine(" Status: " + result);
report.AppendLine();
IDictionary <NvPhysicalGpuHandle, NvDisplayHandle> displayHandles =
new Dictionary <NvPhysicalGpuHandle, NvDisplayHandle>();
if (NVAPI.NvAPI_EnumNvidiaDisplayHandle != null &&
NVAPI.NvAPI_GetPhysicalGPUsFromDisplay != null)
{
NvStatus status = NvStatus.OK;
int i = 0;
while (status == NvStatus.OK)
{
NvDisplayHandle displayHandle = new NvDisplayHandle();
status = NVAPI.NvAPI_EnumNvidiaDisplayHandle(i, ref displayHandle);
i++;
if (status == NvStatus.OK)
{
NvPhysicalGpuHandle[] handlesFromDisplay =
new NvPhysicalGpuHandle[NVAPI.MAX_PHYSICAL_GPUS];
uint countFromDisplay;
if (NVAPI.NvAPI_GetPhysicalGPUsFromDisplay(displayHandle,
handlesFromDisplay, out countFromDisplay) == NvStatus.OK)
{
for (int j = 0; j < countFromDisplay; j++)
{
if (!displayHandles.ContainsKey(handlesFromDisplay[j]))
{
displayHandles.Add(handlesFromDisplay[j], displayHandle);
}
}
}
}
}
}
report.Append("Number of GPUs: ");
report.AppendLine(count.ToString(CultureInfo.InvariantCulture));
for (int i = 0; i < count; i++)
{
NvDisplayHandle displayHandle;
displayHandles.TryGetValue(handles[i], out displayHandle);
hardware.Add(new NvidiaGPU(i, handles[i], displayHandle, settings));
}
report.AppendLine();
}
public NvidiaGPU(int adapterIndex, NvPhysicalGpuHandle handle,
NvDisplayHandle?displayHandle, ISettings settings, PhysicalGPU physicalGPU = null)
: base(GetName(handle), new Identifier("nvidiagpu",
adapterIndex.ToString(CultureInfo.InvariantCulture)), settings)
{
this.adapterIndex = adapterIndex;
this.handle = handle;
this.displayHandle = displayHandle;
this.physicalGPU = physicalGPU;
NvGPUThermalSettings thermalSettings = GetThermalSettings();
temperatures = new Sensor[thermalSettings.Count];
for (int i = 0; i < temperatures.Length; i++)
{
NvSensor sensor = thermalSettings.Sensor[i];
string name;
switch (sensor.Target)
{
case NvThermalTarget.BOARD: name = "GPU Board"; break;
case NvThermalTarget.GPU: name = "GPU Core"; break;
case NvThermalTarget.MEMORY: name = "GPU Memory"; break;
case NvThermalTarget.POWER_SUPPLY: name = "GPU Power Supply"; break;
case NvThermalTarget.UNKNOWN: name = "GPU Unknown"; break;
default: name = "GPU"; break;
}
temperatures[i] = new Sensor(name, i, SensorType.Temperature, this,
new ParameterDescription[0], settings);
ActivateSensor(temperatures[i]);
}
clocks = new Sensor[3];
clocks[0] = new Sensor("GPU Core", 0, SensorType.Clock, this, settings);
clocks[1] = new Sensor("GPU Memory", 1, SensorType.Clock, this, settings);
clocks[2] = new Sensor("GPU Shader", 2, SensorType.Clock, this, settings);
for (int i = 0; i < clocks.Length; i++)
{
ActivateSensor(clocks[i]);
}
loads = new Sensor[4];
loads[0] = new Sensor("GPU Core", 0, SensorType.Load, this, settings);
loads[1] = new Sensor("GPU Frame Buffer", 1, SensorType.Load, this, settings);
loads[2] = new Sensor("GPU Video Engine", 2, SensorType.Load, this, settings);
loads[3] = new Sensor("GPU Bus Interface", 3, SensorType.Load, this, settings);
memoryLoad = new Sensor("GPU Memory", 4, SensorType.Load, this, settings);
memoryFree = new Sensor("GPU Memory Free", 1, SensorType.SmallData, this, settings);
memoryUsed = new Sensor("GPU Memory Used", 2, SensorType.SmallData, this, settings);
memoryAvail = new Sensor("GPU Memory Total", 3, SensorType.SmallData, this, settings);
memoryUsageDedicated = new Sensor("GPU Memory Dedicated", 4, SensorType.SmallData, this, settings);
memoryUsageShared = new Sensor("GPU Memory Shared", 5, SensorType.SmallData, this, settings);
fan = new Sensor("GPU Fan", 0, SensorType.Fan, this, settings);
control = new Sensor("GPU Fan", 1, SensorType.Control, this, settings);
voltage = new Sensor("GPU Voltage", 0, SensorType.Voltage, this, settings);
powerLimit = new Sensor("GPU Power Limit", 0, SensorType.Factor, this, settings);
temperatureLimit = new Sensor("GPU Thermal Limit", 1, SensorType.Factor, this, settings);
voltageLimit = new Sensor("GPU Voltage Limit", 2, SensorType.Factor, this, settings);
power = new Sensor("GPU Power", 0, SensorType.Power, this, settings);
NvGPUCoolerSettings coolerSettings = GetCoolerSettings();
if (coolerSettings.Count > 0)
{
fanControl = new Control(control, settings,
coolerSettings.Cooler[0].DefaultMin,
coolerSettings.Cooler[0].DefaultMax);
fanControl.ControlModeChanged += ControlModeChanged;
fanControl.SoftwareControlValueChanged += SoftwareControlValueChanged;
ControlModeChanged(fanControl);
control.Control = fanControl;
}
try
{
if (PerformanceCounterCategory.Exists("GPU Adapter Memory"))
{
var category = new PerformanceCounterCategory("GPU Adapter Memory");
var instances = category.GetInstanceNames();
if (instances.Any())
{
long maxRawValue = 0;
int maxIndex = 0;
for (int i = 0; i < instances.Length; i++)
{
try
{
var currentPerfCounter = new PerformanceCounter("GPU Adapter Memory", "Dedicated Usage", instances[i]);
if (currentPerfCounter.RawValue > maxRawValue)
{
maxRawValue = currentPerfCounter.RawValue;
maxIndex = i;
}
}
catch (Exception ex)
{
Log.Logger.Error(ex, $"Error while creating performance counter with instance {i}.");
}
}
dedicatedVramUsagePerformCounter = new PerformanceCounter("GPU Adapter Memory", "Dedicated Usage", instances[maxIndex]);
sharedVramUsagePerformCounter = new PerformanceCounter("GPU Adapter Memory", "Shared Usage", instances[maxIndex]);
}
}
}
catch (Exception ex)
{
Log.Logger.Error(ex, "Error while creating GPU memory performance counter.");
}
if (NVML.IsInitialized)
{
if (NVAPI.NvAPI_GPU_GetBusId != null &&
NVAPI.NvAPI_GPU_GetBusId(handle, out uint busId) == NvStatus.OK)
{
if (NVML.NvmlDeviceGetHandleByPciBusId != null &&
NVML.NvmlDeviceGetHandleByPciBusId(
"0000:" + busId.ToString("X2") + ":00.0", out var result)
== NVML.NvmlReturn.Success)
{
device = result;
pcieThroughputRx = new Sensor("GPU PCIE Rx", 0,
SensorType.Throughput, this, settings);
pcieThroughputTx = new Sensor("GPU PCIE Tx", 1,
SensorType.Throughput, this, settings);
}
}
}
Update();
}
public override void Update()
{
NvGPUThermalSettings settings = GetThermalSettings();
foreach (Sensor sensor in temperatures)
{
sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;
}
bool tachReadingOk = false;
if (NVAPI.NvAPI_GPU_GetTachReading != null &&
NVAPI.NvAPI_GPU_GetTachReading(handle, out int fanValue) == NvStatus.OK)
{
fan.Value = fanValue;
ActivateSensor(fan);
tachReadingOk = true;
}
uint[] values = GetClocks();
if (values != null)
{
clocks[1].Value = 0.001f * values[8];
if (values[30] != 0)
{
clocks[0].Value = 0.0005f * values[30];
clocks[2].Value = 0.001f * values[30];
}
else
{
clocks[0].Value = 0.001f * values[0];
clocks[2].Value = 0.001f * values[14];
}
}
// set extra sensors from external NvAPI wrapper
if (physicalGPU != null)
{
try
{
voltage.Value = GPUApi.GetCurrentVoltage(physicalGPU.Handle).ValueInMicroVolt / 1E06f;
ActivateSensor(voltage);
var currentActiveLimit = physicalGPU.PerformanceControl.CurrentActiveLimit;
powerLimit.Value = ((currentActiveLimit & PerformanceLimit.PowerLimit)
== PerformanceLimit.PowerLimit) ? 1 : 0;
ActivateSensor(powerLimit);
temperatureLimit.Value = ((currentActiveLimit & PerformanceLimit.TemperatureLimit)
== PerformanceLimit.TemperatureLimit) ? 1 : 0;
ActivateSensor(temperatureLimit);
voltageLimit.Value = ((currentActiveLimit & PerformanceLimit.VoltageLimit)
== PerformanceLimit.VoltageLimit) ? 1 : 0;
ActivateSensor(voltageLimit);
}
catch
{
voltage.Value = float.NaN;
powerLimit.Value = float.NaN;
temperatureLimit.Value = float.NaN;
voltageLimit.Value = float.NaN;
}
}
var infoEx = new NvDynamicPstatesInfoEx();
infoEx.Version = NVAPI.GPU_DYNAMIC_PSTATES_INFO_EX_VER;
infoEx.UtilizationDomains =
new NvUtilizationDomainEx[NVAPI.NVAPI_MAX_GPU_UTILIZATIONS];
if (NVAPI.NvAPI_GPU_GetDynamicPstatesInfoEx != null &&
NVAPI.NvAPI_GPU_GetDynamicPstatesInfoEx(handle, ref infoEx) == NvStatus.OK)
{
for (int i = 0; i < loads.Length; i++)
{
if (infoEx.UtilizationDomains[i].Present)
{
loads[i].Value = infoEx.UtilizationDomains[i].Percentage;
ActivateSensor(loads[i]);
}
}
}
else
{
var info = new NvDynamicPstatesInfo
{
Version = NVAPI.GPU_DYNAMIC_PSTATES_INFO_VER,
UtilizationDomains =
new NvUtilizationDomain[NVAPI.NVAPI_MAX_GPU_UTILIZATIONS]
};
if (NVAPI.NvAPI_GPU_GetDynamicPstatesInfo != null &&
NVAPI.NvAPI_GPU_GetDynamicPstatesInfo(handle, ref info) == NvStatus.OK)
{
for (int i = 0; i < loads.Length; i++)
{
if (info.UtilizationDomains[i].Present)
{
loads[i].Value = info.UtilizationDomains[i].Percentage;
ActivateSensor(loads[i]);
}
}
}
}
var coolerSettings = GetCoolerSettings();
var coolerSettingsOk = false;
if (coolerSettings.Count > 0)
{
control.Value = coolerSettings.Cooler[0].CurrentLevel;
ActivateSensor(control);
coolerSettingsOk = true;
}
if (!tachReadingOk || !coolerSettingsOk)
{
var coolersStatus = GetFanCoolersStatus();
if (coolersStatus.Count > 0)
{
if (!coolerSettingsOk)
{
control.Value = coolersStatus.Items[0].CurrentLevel;
ActivateSensor(control);
coolerSettingsOk = true;
}
if (!tachReadingOk)
{
fan.Value = coolersStatus.Items[0].CurrentRpm;
ActivateSensor(fan);
tachReadingOk = true;
}
}
}
NvDisplayDriverMemoryInfo memoryInfo = new NvDisplayDriverMemoryInfo
{
Version = NVAPI.DISPLAY_DRIVER_MEMORY_INFO_VER,
Values = new uint[NVAPI.MAX_MEMORY_VALUES_PER_GPU]
};
if (NVAPI.NvAPI_GetDisplayDriverMemoryInfo != null && displayHandle.HasValue &&
NVAPI.NvAPI_GetDisplayDriverMemoryInfo(displayHandle.Value, ref memoryInfo) ==
NvStatus.OK)
{
uint totalMemory = memoryInfo.Values[0];
uint freeMemory = memoryInfo.Values[4];
float usedMemory = Math.Max(totalMemory - freeMemory, 0);
memoryFree.Value = (float)freeMemory / 1024;
memoryAvail.Value = (float)totalMemory / 1024;
memoryUsed.Value = usedMemory / 1024;
memoryLoad.Value = 100f * usedMemory / totalMemory;
ActivateSensor(memoryAvail);
ActivateSensor(memoryUsed);
ActivateSensor(memoryFree);
ActivateSensor(memoryLoad);
}
if (power != null)
{
var channels = new NvGpuPowerMonitorPowerChannelStatus[NVAPI.POWER_STATUS_CHANNEL_COUNT];
for (int i = 0; i < channels.Length; i++)
{
channels[i].Rsvd = new byte[NVAPI.POWER_STATUS_RSVD_SIZE];
}
var powerStatus = new NvGpuPowerStatus
{
Version = NVAPI.GPU_POWER_MONITOR_STATUS_VER,
Rsvd = new byte[NVAPI.POWER_STATUS_RSVD_SIZE],
Channels = channels
};
if (NVAPI.NvAPI_GPU_PowerMonitorGetStatus != null &&
NVAPI.NvAPI_GPU_PowerMonitorGetStatus(handle, ref powerStatus) == NvStatus.OK)
{
power.Value = powerStatus.TotalGpuPowermW * 1E-03f;
ActivateSensor(power);
//// Grap all other sensors/channels
//var powerSensors = powerStatus.Channels.Where(ch => ch.PwrAvgmW != 0).Select(ch => ch.PwrAvgmW * 1E-03).ToArray();
//for (int i = 0; i < powerSensors.Length; i++)
//{
// Console.WriteLine($"Sensor {i}: {powerSensors[i]}W");
//}
//Console.WriteLine("------------------------------------------");
}
}
// update VRAM usage
if (dedicatedVramUsagePerformCounter != null)
{
try
{
memoryUsageDedicated.Value = dedicatedVramUsagePerformCounter.NextValue() / 1024f / 1024f;
ActivateSensor(memoryUsageDedicated);
}
catch { }
}
if (sharedVramUsagePerformCounter != null)
{
try
{
memoryUsageShared.Value = (float)sharedVramUsagePerformCounter.NextValue() / 1024f / 1024f;
ActivateSensor(memoryUsageShared);
}
catch { }
}
if (pcieThroughputRx != null)
{
if (NVML.NvmlDeviceGetPcieThroughput(device.Value,
NVML.NvmlPcieUtilCounter.RxBytes, out uint value)
== NVML.NvmlReturn.Success)
{
pcieThroughputRx.Value = value / 1024f;
ActivateSensor(pcieThroughputRx);
}
}
if (pcieThroughputTx != null)
{
if (NVML.NvmlDeviceGetPcieThroughput(device.Value,
NVML.NvmlPcieUtilCounter.TxBytes, out uint value)
== NVML.NvmlReturn.Success)
{
pcieThroughputTx.Value = value / 1024f;
ActivateSensor(pcieThroughputTx);
}
}
}
public override void Update()
{
if (temperatures.Any(sensor => sensorConfig.GetSensorEvaluate(sensor.IdentifierString)))
{
NvGPUThermalSettings settings = GetThermalSettings();
foreach (Sensor sensor in temperatures)
{
sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;
}
}
else
{
foreach (Sensor sensor in temperatures)
{
sensor.Value = null;
}
}
bool tachReadingOk = false;
if (sensorConfig.GetSensorEvaluate(fan.IdentifierString))
{
if (NVAPI.NvAPI_GPU_GetTachReading != null &&
NVAPI.NvAPI_GPU_GetTachReading(handle, out int fanValue) == NvStatus.OK)
{
fan.Value = fanValue;
ActivateSensor(fan);
tachReadingOk = true;
}
}
else
{
fan.Value = null;
}
if (clocks.Any(sensor => sensorConfig.GetSensorEvaluate(sensor.IdentifierString)))
{
uint[] values = GetClocks();
if (values != null)
{
clocks[1].Value = 0.001f * values[8];
if (values[30] != 0)
{
clocks[0].Value = 0.0005f * values[30];
clocks[2].Value = 0.001f * values[30];
}
else
{
clocks[0].Value = 0.001f * values[0];
clocks[2].Value = 0.001f * values[14];
}
}
}
else
{
for (int i = 0; i < clocks.Length; i++)
{
clocks[i].Value = null;
}
}
if (sensorConfig.GetSensorEvaluate(voltage.IdentifierString))
{
var gpuVoltageStatus = new NvGpuVoltageStatus
{
Version = NVAPI.GPU_VOLTAGE_STATUS_VER,
Unknown2 = new uint[8],
Unknown3 = new uint[8]
};
if (NVAPI.NvAPI_GPU_GetCurrentVoltage != null &&
NVAPI.NvAPI_GPU_GetCurrentVoltage(handle, ref gpuVoltageStatus) == NvStatus.OK)
{
voltage.Value = gpuVoltageStatus.ValueInuV / 1E06f;
ActivateSensor(voltage);
}
}
else
{
voltage.Value = null;
}
if (loads.Any(sensor => sensorConfig.GetSensorEvaluate(sensor.IdentifierString)))
{
var infoEx = new NvDynamicPstatesInfoEx
{
Version = NVAPI.GPU_DYNAMIC_PSTATES_INFO_EX_VER,
UtilizationDomains =
new NvUtilizationDomainEx[NVAPI.NVAPI_MAX_GPU_UTILIZATIONS]
};
if (NVAPI.NvAPI_GPU_GetDynamicPstatesInfoEx != null &&
NVAPI.NvAPI_GPU_GetDynamicPstatesInfoEx(handle, ref infoEx) == NvStatus.OK)
{
for (int i = 0; i < loads.Length; i++)
{
if (infoEx.UtilizationDomains[i].Present)
{
loads[i].Value = infoEx.UtilizationDomains[i].Percentage;
ActivateSensor(loads[i]);
}
}
}
else
{
var info = new NvDynamicPstatesInfo
{
Version = NVAPI.GPU_DYNAMIC_PSTATES_INFO_VER,
UtilizationDomains =
new NvUtilizationDomain[NVAPI.NVAPI_MAX_GPU_UTILIZATIONS]
};
if (NVAPI.NvAPI_GPU_GetDynamicPstatesInfo != null &&
NVAPI.NvAPI_GPU_GetDynamicPstatesInfo(handle, ref info) == NvStatus.OK)
{
for (int i = 0; i < loads.Length; i++)
{
if (info.UtilizationDomains[i].Present)
{
loads[i].Value = info.UtilizationDomains[i].Percentage;
ActivateSensor(loads[i]);
}
}
}
}
}
else
{
for (int i = 0; i < loads.Length; i++)
{
loads[i].Value = null;
}
}
if (sensorConfig.GetSensorEvaluate(control.IdentifierString) ||
sensorConfig.GetSensorEvaluate(fan.IdentifierString))
{
var coolerSettings = GetCoolerSettings();
var coolerSettingsOk = false;
if (coolerSettings.Count > 0)
{
control.Value = coolerSettings.Cooler[0].CurrentLevel;
ActivateSensor(control);
coolerSettingsOk = true;
}
if (!tachReadingOk || !coolerSettingsOk)
{
var coolersStatus = GetFanCoolersStatus();
if (coolersStatus.Count > 0)
{
if (!coolerSettingsOk)
{
control.Value = coolersStatus.Items[0].CurrentLevel;
ActivateSensor(control);
coolerSettingsOk = true;
}
if (!tachReadingOk)
{
fan.Value = coolersStatus.Items[0].CurrentRpm;
ActivateSensor(fan);
tachReadingOk = true;
}
}
}
}
else
{
control.Value = null;
fan.Value = null;
}
if (!(!sensorConfig.GetSensorEvaluate(memoryAvail.IdentifierString) &&
!sensorConfig.GetSensorEvaluate(memoryUsed.IdentifierString) &&
!sensorConfig.GetSensorEvaluate(memoryFree.IdentifierString) &&
!sensorConfig.GetSensorEvaluate(memoryLoad.IdentifierString)))
{
NvDisplayDriverMemoryInfo memoryInfo = new NvDisplayDriverMemoryInfo
{
Version = NVAPI.DISPLAY_DRIVER_MEMORY_INFO_VER,
Values = new uint[NVAPI.MAX_MEMORY_VALUES_PER_GPU]
};
if (NVAPI.NvAPI_GetDisplayDriverMemoryInfo != null && displayHandle.HasValue &&
NVAPI.NvAPI_GetDisplayDriverMemoryInfo(displayHandle.Value, ref memoryInfo) ==
NvStatus.OK)
{
uint totalMemory = memoryInfo.Values[0];
uint freeMemory = memoryInfo.Values[4];
float usedMemory = Math.Max(totalMemory - freeMemory, 0);
memoryFree.Value = (float)freeMemory / 1024 / 1024;
memoryAvail.Value = (float)totalMemory / 1024 / 1024;
memoryUsed.Value = usedMemory / 1024 / 1024;
memoryLoad.Value = 100f * usedMemory / totalMemory;
ActivateSensor(memoryAvail);
ActivateSensor(memoryUsed);
ActivateSensor(memoryFree);
ActivateSensor(memoryLoad);
}
}
else
{
memoryAvail.Value = null;
memoryUsed.Value = null;
memoryFree.Value = null;
memoryLoad.Value = null;
}
if (power != null)
{
if (sensorConfig.GetSensorEvaluate(power.IdentifierString))
{
var channels = new NvGpuPowerMonitorPowerChannelStatus[NVAPI.POWER_STATUS_CHANNEL_COUNT];
for (int i = 0; i < channels.Length; i++)
{
channels[i].Rsvd = new byte[NVAPI.POWER_STATUS_RSVD_SIZE];
}
var powerStatus = new NvGpuPowerStatus
{
Version = NVAPI.GPU_POWER_MONITOR_STATUS_VER,
Rsvd = new byte[NVAPI.POWER_STATUS_RSVD_SIZE],
Channels = channels
};
if (NVAPI.NvAPI_GPU_PowerMonitorGetStatus != null &&
NVAPI.NvAPI_GPU_PowerMonitorGetStatus(handle, ref powerStatus) == NvStatus.OK)
{
power.Value = powerStatus.TotalGpuPowermW * 1E-03f;
ActivateSensor(power);
}
}
else
{
power.Value = null;
}
}
// update VRAM usage
if (dedicatedVramUsagePerformCounter != null)
{
try
{
if (sensorConfig.GetSensorEvaluate(memoryUsageDedicated.IdentifierString))
{
memoryUsageDedicated.Value = dedicatedVramUsagePerformCounter.NextValue() / SCALE;
ActivateSensor(memoryUsageDedicated);
}
else
{
memoryUsageDedicated.Value = null;
}
}
catch { memoryUsageDedicated.Value = null; }
}
if (sharedVramUsagePerformCounter != null)
{
try
{
if (sensorConfig.GetSensorEvaluate(memoryUsageShared.IdentifierString))
{
memoryUsageShared.Value = (float)sharedVramUsagePerformCounter.NextValue() / SCALE;
ActivateSensor(memoryUsageShared);
}
else
{
memoryUsageShared.Value = null;
}
}
catch { memoryUsageShared.Value = null; }
}
try
{
if (sensorConfig.GetSensorEvaluate(processMemoryUsageDedicated.IdentifierString))
{
lock (_performanceCounterLock)
{
processMemoryUsageDedicated.Value = dedicatedVramUsageProcessPerformCounter == null
? 0f : (float)dedicatedVramUsageProcessPerformCounter.NextValue() / SCALE;
}
ActivateSensor(processMemoryUsageDedicated);
}
else
{
processMemoryUsageDedicated.Value = null;
}
}
catch { processMemoryUsageDedicated.Value = null; }
try
{
if (sensorConfig.GetSensorEvaluate(processMemoryUsageShared.IdentifierString))
{
lock (_performanceCounterLock)
{
processMemoryUsageShared.Value = sharedVramUsageProcessPerformCounter == null
? 0f : (float)sharedVramUsageProcessPerformCounter.NextValue() / SCALE;
}
ActivateSensor(processMemoryUsageShared);
}
else
{
processMemoryUsageShared.Value = null;
}
}
catch { processMemoryUsageShared.Value = null; }
if (pcieThroughputRx != null)
{
if (sensorConfig.GetSensorEvaluate(pcieThroughputRx.IdentifierString))
{
if (NVML.NvmlDeviceGetPcieThroughput(device.Value,
NVML.NvmlPcieUtilCounter.RxBytes, out uint value)
== NVML.NvmlReturn.Success)
{
pcieThroughputRx.Value = value / 1024f;
ActivateSensor(pcieThroughputRx);
}
}
else
{
pcieThroughputRx.Value = null;
}
}
if (pcieThroughputTx != null)
{
if (sensorConfig.GetSensorEvaluate(pcieThroughputTx.IdentifierString))
{
if (NVML.NvmlDeviceGetPcieThroughput(device.Value,
NVML.NvmlPcieUtilCounter.TxBytes, out uint value)
== NVML.NvmlReturn.Success)
{
pcieThroughputTx.Value = value / 1024f;
ActivateSensor(pcieThroughputTx);
}
}
else
{
pcieThroughputTx.Value = null;
}
}
if (sensorConfig.GetSensorEvaluate(monitorRefreshRate.IdentifierString))
{
if (NVAPI.NvAPI_GetVBlankCounter(displayHandle.Value, out uint pCounter)
== NvStatus.OK)
{
var deltaTicks = stopwatch.ElapsedTicks;
stopwatch.Restart();
lock (_displayLock)
{
var currentRefreshRate = (float)(pCounter - lastpCounter) / deltaTicks * Stopwatch.Frequency;
refreshRateBuffer.Add(currentRefreshRate);
var refreshRateFiltered = (float)Math.Ceiling(refreshRateBuffer.RefreshRates.Average());
monitorRefreshRate.Value = refreshRateFiltered > refreshRateCurrentWindowHandle ? refreshRateCurrentWindowHandle : refreshRateFiltered;
}
lastpCounter = pCounter;
ActivateSensor(monitorRefreshRate);
}
}
else
{
monitorRefreshRate.Value = null;
}
}
public NvidiaGPU(int adapterIndex, NvPhysicalGpuHandle handle,
NvDisplayHandle?displayHandle, ISettings settings, NVML nvml)
: base(GetName(handle), new Identifier("nvidiagpu",
adapterIndex.ToString(CultureInfo.InvariantCulture)), settings)
{
this.adapterIndex = adapterIndex;
this.handle = handle;
this.displayHandle = displayHandle;
this.nvml = nvml;
NvGPUThermalSettings thermalSettings = GetThermalSettings();
temperatures = new Sensor[thermalSettings.Count];
for (int i = 0; i < temperatures.Length; i++)
{
NvSensor sensor = thermalSettings.Sensor[i];
string name;
switch (sensor.Target)
{
case NvThermalTarget.BOARD: name = "GPU Board"; break;
case NvThermalTarget.GPU: name = "GPU Core"; break;
case NvThermalTarget.MEMORY: name = "GPU Memory"; break;
case NvThermalTarget.POWER_SUPPLY: name = "GPU Power Supply"; break;
case NvThermalTarget.UNKNOWN: name = "GPU Unknown"; break;
default: name = "GPU"; break;
}
temperatures[i] = new Sensor(name, i, SensorType.Temperature, this,
new ParameterDescription[0], settings);
ActivateSensor(temperatures[i]);
}
int value;
if (NVAPI.NvAPI_GPU_GetTachReading != null &&
NVAPI.NvAPI_GPU_GetTachReading(handle, out value) == NvStatus.OK)
{
if (value >= 0)
{
fan = new Sensor("GPU", 0, SensorType.Fan, this, settings);
ActivateSensor(fan);
}
}
clocks = new Sensor[3];
clocks[0] = new Sensor("GPU Core", 0, SensorType.Clock, this, settings);
clocks[1] = new Sensor("GPU Memory", 1, SensorType.Clock, this, settings);
clocks[2] = new Sensor("GPU Shader", 2, SensorType.Clock, this, settings);
for (int i = 0; i < clocks.Length; i++)
{
ActivateSensor(clocks[i]);
}
loads = new Sensor[3];
loads[0] = new Sensor("GPU Core", 0, SensorType.Load, this, settings);
loads[1] = new Sensor("GPU Memory Controller", 1, SensorType.Load, this, settings);
loads[2] = new Sensor("GPU Video Engine", 2, SensorType.Load, this, settings);
memoryLoad = new Sensor("GPU Memory", 3, SensorType.Load, this, settings);
memoryFree = new Sensor("GPU Memory Free", 1, SensorType.SmallData, this, settings);
memoryUsed = new Sensor("GPU Memory Used", 2, SensorType.SmallData, this, settings);
memoryAvail = new Sensor("GPU Memory Total", 3, SensorType.SmallData, this, settings);
control = new Sensor("GPU Fan", 0, SensorType.Control, this, settings);
NvGPUCoolerSettings coolerSettings = GetCoolerSettings();
if (coolerSettings.Count > 0)
{
fanControl = new Control(control, settings,
coolerSettings.Cooler[0].DefaultMin,
coolerSettings.Cooler[0].DefaultMax);
fanControl.ControlModeChanged += ControlModeChanged;
fanControl.SoftwareControlValueChanged += SoftwareControlValueChanged;
ControlModeChanged(fanControl);
control.Control = fanControl;
}
if (nvml.Initialised)
{
nvmlDevice = nvml.NvmlDeviceGetHandleByIndex(adapterIndex);
if (nvmlDevice.HasValue)
{
powerUsage = new Sensor("GPU Package", 0, SensorType.Power, this, settings);
}
}
Update();
}
