public override string GetReport()
{
StringBuilder r = new StringBuilder();
r.AppendLine("Nvidia GPU");
r.AppendLine();
r.AppendFormat("Name: {0}{1}", _name, Environment.NewLine);
r.AppendFormat("Index: {0}{1}", _adapterIndex, Environment.NewLine);
if (_displayHandle.HasValue && NvApi.NvAPI_GetDisplayDriverVersion != null)
{
NvApi.NvDisplayDriverVersion driverVersion = new NvApi.NvDisplayDriverVersion {
Version = NvApi.DISPLAY_DRIVER_VERSION_VER
};
if (NvApi.NvAPI_GetDisplayDriverVersion(_displayHandle.Value, ref driverVersion) == NvApi.NvStatus.OK)
{
r.Append("Driver Version: ");
r.Append(driverVersion.DriverVersion / 100);
r.Append(".");
r.Append((driverVersion.DriverVersion % 100).ToString("00", CultureInfo.InvariantCulture));
r.AppendLine();
r.Append("Driver Branch: ");
r.AppendLine(driverVersion.BuildBranch);
}
}
r.AppendLine();
if (NvApi.NvAPI_GPU_GetPCIIdentifiers != null)
{
NvApi.NvStatus status = NvApi.NvAPI_GPU_GetPCIIdentifiers(_handle, out uint deviceId, out uint subSystemId, out uint revisionId, out uint extDeviceId);
if (status == NvApi.NvStatus.OK)
{
r.Append("DeviceID: 0x");
r.AppendLine(deviceId.ToString("X", CultureInfo.InvariantCulture));
r.Append("SubSystemID: 0x");
r.AppendLine(subSystemId.ToString("X", CultureInfo.InvariantCulture));
r.Append("RevisionID: 0x");
r.AppendLine(revisionId.ToString("X", CultureInfo.InvariantCulture));
r.Append("ExtDeviceID: 0x");
r.AppendLine(extDeviceId.ToString("X", CultureInfo.InvariantCulture));
r.AppendLine();
}
}
if (NvApi.NvAPI_GPU_GetThermalSettings != null)
{
NvApi.NvGPUThermalSettings settings = new NvApi.NvGPUThermalSettings
{
Version = NvApi.GPU_THERMAL_SETTINGS_VER, Count = NvApi.MAX_THERMAL_SENSORS_PER_GPU, Sensor = new NvApi.NvSensor[NvApi.MAX_THERMAL_SENSORS_PER_GPU]
};
NvApi.NvStatus status = NvApi.NvAPI_GPU_GetThermalSettings(_handle, (int)NvApi.NvThermalTarget.ALL, ref settings);
r.AppendLine("Thermal Settings");
r.AppendLine();
if (status == NvApi.NvStatus.OK)
{
for (int i = 0; i < settings.Count; i++)
{
r.AppendFormat(" Sensor[{0}].Controller: {1}{2}", i, settings.Sensor[i].Controller, Environment.NewLine);
r.AppendFormat(" Sensor[{0}].DefaultMinTemp: {1}{2}", i, settings.Sensor[i].DefaultMinTemp, Environment.NewLine);
r.AppendFormat(" Sensor[{0}].DefaultMaxTemp: {1}{2}", i, settings.Sensor[i].DefaultMaxTemp, Environment.NewLine);
r.AppendFormat(" Sensor[{0}].CurrentTemp: {1}{2}", i, settings.Sensor[i].CurrentTemp, Environment.NewLine);
r.AppendFormat(" Sensor[{0}].Target: {1}{2}", i, settings.Sensor[i].Target, Environment.NewLine);
}
}
else
{
r.Append(" Status: ");
r.AppendLine(status.ToString());
}
r.AppendLine();
}
if (NvApi.NvAPI_GPU_GetAllClocks != null)
{
NvApi.NvClocks allClocks = new NvApi.NvClocks {
Version = NvApi.GPU_CLOCKS_VER, Clock = new uint[NvApi.MAX_CLOCKS_PER_GPU]
};
NvApi.NvStatus status = NvApi.NvAPI_GPU_GetAllClocks(_handle, ref allClocks);
r.AppendLine("Clocks");
r.AppendLine();
if (status == NvApi.NvStatus.OK)
{
for (int i = 0; i < allClocks.Clock.Length; i++)
{
if (allClocks.Clock[i] > 0)
{
r.AppendFormat(" Clock[{0}]: {1}{2}", i, allClocks.Clock[i], Environment.NewLine);
}
}
}
else
{
r.Append(" Status: ");
r.AppendLine(status.ToString());
}
r.AppendLine();
}
if (NvApi.NvAPI_GPU_GetTachReading != null)
{
NvApi.NvStatus status = NvApi.NvAPI_GPU_GetTachReading(_handle, out int tachValue);
r.AppendLine("Tachometer");
r.AppendLine();
if (status == NvApi.NvStatus.OK)
{
r.AppendFormat(" Value: {0}{1}", tachValue, Environment.NewLine);
}
else
{
r.Append(" Status: ");
r.AppendLine(status.ToString());
}
r.AppendLine();
}
if (NvApi.NvAPI_GPU_GetPStates != null)
{
NvApi.NvPStates states = new NvApi.NvPStates {
Version = NvApi.GPU_PSTATES_VER, PStates = new NvApi.NvPState[NvApi.MAX_PSTATES_PER_GPU]
};
NvApi.NvStatus status = NvApi.NvAPI_GPU_GetPStates(_handle, ref states);
r.AppendLine("P-States");
r.AppendLine();
if (status == NvApi.NvStatus.OK)
{
for (int i = 0; i < states.PStates.Length; i++)
{
if (states.PStates[i].Present)
{
r.AppendFormat(" Percentage[{0}]: {1}{2}", i, states.PStates[i].Percentage, Environment.NewLine);
}
}
}
else
{
r.Append(" Status: ");
r.AppendLine(status.ToString());
}
r.AppendLine();
}
if (NvApi.NvAPI_GPU_GetUsages != null)
{
NvApi.NvUsages usages = new NvApi.NvUsages {
Version = NvApi.GPU_USAGES_VER, Usage = new uint[NvApi.MAX_USAGES_PER_GPU]
};
NvApi.NvStatus status = NvApi.NvAPI_GPU_GetUsages(_handle, ref usages);
r.AppendLine("Usages");
r.AppendLine();
if (status == NvApi.NvStatus.OK)
{
for (int i = 0; i < usages.Usage.Length; i++)
{
if (usages.Usage[i] > 0)
{
r.AppendFormat(" Usage[{0}]: {1}{2}", i, usages.Usage[i], Environment.NewLine);
}
}
}
else
{
r.Append(" Status: ");
r.AppendLine(status.ToString());
}
r.AppendLine();
}
if (NvApi.NvAPI_GPU_GetCoolerSettings != null)
{
NvApi.NvGPUCoolerSettings settings = new NvApi.NvGPUCoolerSettings {
Version = NvApi.GPU_COOLER_SETTINGS_VER, Cooler = new NvApi.NvCooler[NvApi.MAX_COOLER_PER_GPU]
};
NvApi.NvStatus status = NvApi.NvAPI_GPU_GetCoolerSettings(_handle, 0, ref settings);
r.AppendLine("Cooler Settings");
r.AppendLine();
if (status == NvApi.NvStatus.OK)
{
for (int i = 0; i < settings.Count; i++)
{
r.AppendFormat(" Cooler[{0}].Type: {1}{2}", i, settings.Cooler[i].Type, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].Controller: {1}{2}", i, settings.Cooler[i].Controller, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].DefaultMin: {1}{2}", i, settings.Cooler[i].DefaultMin, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].DefaultMax: {1}{2}", i, settings.Cooler[i].DefaultMax, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].CurrentMin: {1}{2}", i, settings.Cooler[i].CurrentMin, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].CurrentMax: {1}{2}", i, settings.Cooler[i].CurrentMax, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].CurrentLevel: {1}{2}", i, settings.Cooler[i].CurrentLevel, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].DefaultPolicy: {1}{2}", i, settings.Cooler[i].DefaultPolicy, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].CurrentPolicy: {1}{2}", i, settings.Cooler[i].CurrentPolicy, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].Target: {1}{2}", i, settings.Cooler[i].Target, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].ControlType: {1}{2}", i, settings.Cooler[i].ControlType, Environment.NewLine);
r.AppendFormat(" Cooler[{0}].Active: {1}{2}", i, settings.Cooler[i].Active, Environment.NewLine);
}
}
else
{
r.Append(" Status: ");
r.AppendLine(status.ToString());
}
r.AppendLine();
}
if (NvApi.NvAPI_GPU_ClientFanCoolersGetStatus != null)
{
var coolers = new NvApi.NvFanCoolersStatus
{
Version = NvApi.GPU_FAN_COOLERS_STATUS_VER,
Items = new NvApi.NvFanCoolersStatusItem[NvApi.MAX_FAN_COOLERS_STATUS_ITEMS]
};
NvApi.NvStatus status = NvApi.NvAPI_GPU_ClientFanCoolersGetStatus(_handle, ref coolers);
r.AppendLine("Fan Coolers Status");
r.AppendLine();
if (status == NvApi.NvStatus.OK)
{
for (int i = 0; i < coolers.Count; i++)
{
r.AppendFormat(" Items[{0}].Type: {1}{2}", i,
coolers.Items[i].Type, Environment.NewLine);
r.AppendFormat(" Items[{0}].CurrentRpm: {1}{2}", i,
coolers.Items[i].CurrentRpm, Environment.NewLine);
r.AppendFormat(" Items[{0}].CurrentMinLevel: {1}{2}", i,
coolers.Items[i].CurrentMinLevel, Environment.NewLine);
r.AppendFormat(" Items[{0}].CurrentMaxLevel: {1}{2}", i,
coolers.Items[i].CurrentMaxLevel, Environment.NewLine);
r.AppendFormat(" Items[{0}].CurrentLevel: {1}{2}", i,
coolers.Items[i].CurrentLevel, Environment.NewLine);
}
}
else
{
r.Append(" Status: ");
r.AppendLine(status.ToString());
}
r.AppendLine();
}
if (NvApi.NvAPI_GPU_GetMemoryInfo != null && _displayHandle.HasValue)
{
NvApi.NvMemoryInfo memoryInfo = new NvApi.NvMemoryInfo {
Version = NvApi.GPU_MEMORY_INFO_VER, Values = new uint[NvApi.MAX_MEMORY_VALUES_PER_GPU]
};
NvApi.NvStatus status = NvApi.NvAPI_GPU_GetMemoryInfo(_displayHandle.Value, ref memoryInfo);
r.AppendLine("Memory Info");
r.AppendLine();
if (status == NvApi.NvStatus.OK)
{
for (int i = 0; i < memoryInfo.Values.Length; i++)
{
r.AppendFormat(" Value[{0}]: {1}{2}", i, memoryInfo.Values[i], Environment.NewLine);
}
}
else
{
r.Append(" Status: ");
r.AppendLine(status.ToString());
}
r.AppendLine();
}
return(r.ToString());
}
public NvidiaGpu(int adapterIndex, NvApi.NvPhysicalGpuHandle handle, NvApi.NvDisplayHandle?displayHandle, ISettings settings)
: base(GetName(handle), new Identifier("gpu", adapterIndex.ToString(CultureInfo.InvariantCulture)), settings)
{
_adapterIndex = adapterIndex;
_handle = handle;
_displayHandle = displayHandle;
bool hasPciBusId = NvApi.NvAPI_GPU_GetBusId(handle, out uint busId) == NvApi.NvStatus.OK;
NvApi.NvGPUThermalSettings thermalSettings = GetThermalSettings();
_temperatures = new Sensor[thermalSettings.Count];
for (int i = 0; i < _temperatures.Length; i++)
{
NvApi.NvSensor sensor = thermalSettings.Sensor[i];
string name;
switch (sensor.Target)
{
case NvApi.NvThermalTarget.BOARD:
name = "GPU Board";
break;
case NvApi.NvThermalTarget.GPU:
name = "GPU Core";
break;
case NvApi.NvThermalTarget.MEMORY:
name = "GPU Memory";
break;
case NvApi.NvThermalTarget.POWER_SUPPLY:
name = "GPU Power Supply";
break;
case NvApi.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]);
}
if (NvApi.NvAPI_GPU_GetTachReading != null && NvApi.NvAPI_GPU_GetTachReading(handle, out _) == NvApi.NvStatus.OK)
{
_fan = new Sensor("GPU", 0, SensorType.Fan, this, settings);
}
else if (NvApi.NvAPI_GPU_ClientFanCoolersGetStatus != null && GetCoolerSettings().Count > 0)
{
_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 Memory Controller", 1, SensorType.Load, this, settings);
_loads[2] = new Sensor("GPU Video Engine", 2, SensorType.Load, this, settings);
_loads[3] = new Sensor("GPU Bus", 4, 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);
NvApi.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 (NvidiaML.IsAvailable)
{
if (hasPciBusId)
{
_nvmlDevice = NvidiaML.NvmlDeviceGetHandleByPciBusId($" 0000:{busId:X2}:00.0") ?? NvidiaML.NvmlDeviceGetHandleByIndex(_adapterIndex);
}
else
{
_nvmlDevice = NvidiaML.NvmlDeviceGetHandleByIndex(_adapterIndex);
}
if (_nvmlDevice.HasValue)
{
_powerUsage = new Sensor("GPU Package", 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()
{
NvApi.NvGPUThermalSettings settings = GetThermalSettings();
foreach (Sensor sensor in _temperatures)
{
sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;
}
bool readTach = false;
if (_fan != null)
{
if (NvApi.NvAPI_GPU_GetTachReading(_handle, out int value) == NvApi.NvStatus.OK)
{
_fan.Value = value;
ActivateSensor(_fan);
readTach = 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];
}
}
NvApi.NvPStates states = new NvApi.NvPStates {
Version = NvApi.GPU_PSTATES_VER, PStates = new NvApi.NvPState[NvApi.MAX_PSTATES_PER_GPU]
};
if (NvApi.NvAPI_GPU_GetPStates != null && NvApi.NvAPI_GPU_GetPStates(_handle, ref states) == NvApi.NvStatus.OK)
{
for (int i = 0; i < _loads.Length; i++)
{
if (states.PStates[i].Present)
{
_loads[i].Value = states.PStates[i].Percentage;
ActivateSensor(_loads[i]);
}
}
}
else
{
NvApi.NvUsages usages = new NvApi.NvUsages {
Version = NvApi.GPU_USAGES_VER, Usage = new uint[NvApi.MAX_USAGES_PER_GPU]
};
if (NvApi.NvAPI_GPU_GetUsages != null && NvApi.NvAPI_GPU_GetUsages(_handle, ref usages) == NvApi.NvStatus.OK)
{
_loads[0].Value = usages.Usage[2];
_loads[1].Value = usages.Usage[6];
_loads[2].Value = usages.Usage[10];
for (int i = 0; i < 3; i++)
{
ActivateSensor(_loads[i]);
}
}
}
bool readCoolerSettings = false;
NvApi.NvGPUCoolerSettings coolerSettings = GetCoolerSettings();
if (coolerSettings.Count > 0)
{
_control.Value = coolerSettings.Cooler[0].CurrentLevel;
ActivateSensor(_control);
readCoolerSettings = true;
}
if (!readTach || !readCoolerSettings)
{
NvApi.NvFanCoolersStatus coolersStatus = GetFanCoolersStatus();
if (coolersStatus.Count > 0)
{
if (!readCoolerSettings)
{
_control.Value = coolersStatus.Items[0].CurrentLevel;
ActivateSensor(_control);
}
if (!readTach && _fan != null)
{
_fan.Value = coolersStatus.Items[0].CurrentRpm;
ActivateSensor(_fan);
}
}
}
NvApi.NvMemoryInfo memoryInfo = new NvApi.NvMemoryInfo {
Version = NvApi.GPU_MEMORY_INFO_VER, Values = new uint[NvApi.MAX_MEMORY_VALUES_PER_GPU]
};
if (NvApi.NvAPI_GPU_GetMemoryInfo != null && _displayHandle.HasValue && NvApi.NvAPI_GPU_GetMemoryInfo(_displayHandle.Value, ref memoryInfo) == NvApi.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 (NvidiaML.IsAvailable && _nvmlDevice.HasValue)
{
int?result = NvidiaML.NvmlDeviceGetPowerUsage(_nvmlDevice.Value);
if (result.HasValue)
{
_powerUsage.Value = (float)result.Value / 1000;
ActivateSensor(_powerUsage);
}
// In MB/s, throughput sensors are passed as in KB/s.
uint?rx = NvidiaML.NvmlDeviceGetPcieThroughput(_nvmlDevice.Value, NvidiaML.NvmlPcieUtilCounter.RxBytes);
if (rx.HasValue)
{
_pcieThroughputRx.Value = rx * 1024;
ActivateSensor(_pcieThroughputRx);
}
uint?tx = NvidiaML.NvmlDeviceGetPcieThroughput(_nvmlDevice.Value, NvidiaML.NvmlPcieUtilCounter.TxBytes);
if (tx.HasValue)
{
_pcieThroughputTx.Value = tx * 1024;
ActivateSensor(_pcieThroughputTx);
}
}
}
public override void Update()
{
NvApi.NvGPUThermalSettings settings = GetThermalSettings();
foreach (Sensor sensor in _temperatures)
{
sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;
}
if (_fan != null)
{
NvApi.NvAPI_GPU_GetTachReading(_handle, out int value);
_fan.Value = value;
}
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];
}
}
NvApi.NvPStates states = new NvApi.NvPStates {
Version = NvApi.GPU_PSTATES_VER, PStates = new NvApi.NvPState[NvApi.MAX_PSTATES_PER_GPU]
};
if (NvApi.NvAPI_GPU_GetPStates != null && NvApi.NvAPI_GPU_GetPStates(_handle, ref states) == NvApi.NvStatus.OK)
{
for (int i = 0; i < 3; i++)
{
if (states.PStates[i].Present)
{
_loads[i].Value = states.PStates[i].Percentage;
ActivateSensor(_loads[i]);
}
}
}
else
{
NvApi.NvUsages usages = new NvApi.NvUsages {
Version = NvApi.GPU_USAGES_VER, Usage = new uint[NvApi.MAX_USAGES_PER_GPU]
};
if (NvApi.NvAPI_GPU_GetUsages != null && NvApi.NvAPI_GPU_GetUsages(_handle, ref usages) == NvApi.NvStatus.OK)
{
_loads[0].Value = usages.Usage[2];
_loads[1].Value = usages.Usage[6];
_loads[2].Value = usages.Usage[10];
for (int i = 0; i < 3; i++)
{
ActivateSensor(_loads[i]);
}
}
}
NvApi.NvGPUCoolerSettings coolerSettings = GetCoolerSettings();
if (coolerSettings.Count > 0)
{
_control.Value = coolerSettings.Cooler[0].CurrentLevel;
ActivateSensor(_control);
}
NvApi.NvMemoryInfo memoryInfo = new NvApi.NvMemoryInfo {
Version = NvApi.GPU_MEMORY_INFO_VER, Values = new uint[NvApi.MAX_MEMORY_VALUES_PER_GPU]
};
if (NvApi.NvAPI_GPU_GetMemoryInfo != null && _displayHandle.HasValue && NvApi.NvAPI_GPU_GetMemoryInfo(_displayHandle.Value, ref memoryInfo) == NvApi.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 (NvidiaML.IsAvailable && _nvmlDevice.HasValue)
{
var result = NvidiaML.NvmlDeviceGetPowerUsage(_nvmlDevice.Value);
if (result.HasValue)
{
_powerUsage.Value = (float)result.Value / 1000;
ActivateSensor(_powerUsage);
}
}
}
public NvidiaGpu(int adapterIndex, NvApi.NvPhysicalGpuHandle handle, NvApi.NvDisplayHandle?displayHandle, ISettings settings)
: base(GetName(handle), new Identifier("gpu-nvidia", adapterIndex.ToString(CultureInfo.InvariantCulture)), settings)
{
_adapterIndex = adapterIndex;
_handle = handle;
_displayHandle = displayHandle;
bool hasPciBusId = NvApi.NvAPI_GPU_GetBusId(handle, out uint busId) == NvApi.NvStatus.OK;
NvApi.NvGPUThermalSettings thermalSettings = GetThermalSettings();
_temperatures = new Sensor[thermalSettings.Count];
for (int i = 0; i < _temperatures.Length; i++)
{
NvApi.NvSensor sensor = thermalSettings.Sensor[i];
string name;
switch (sensor.Target)
{
case NvApi.NvThermalTarget.BOARD:
name = "GPU Board";
break;
case NvApi.NvThermalTarget.GPU:
name = "GPU Core";
break;
case NvApi.NvThermalTarget.MEMORY:
name = "GPU Memory";
break;
case NvApi.NvThermalTarget.POWER_SUPPLY:
name = "GPU Power Supply";
break;
case NvApi.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]);
}
if (NvApi.NvAPI_GPU_GetTachReading != null && NvApi.NvAPI_GPU_GetTachReading(handle, out _) == NvApi.NvStatus.OK)
{
_fan = new Sensor("GPU", 0, SensorType.Fan, this, settings);
}
else if (NvApi.NvAPI_GPU_ClientFanCoolersGetStatus != null && GetCoolerSettings().Count > 0)
{
_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 Memory Controller", 1, SensorType.Load, this, settings);
_loads[2] = new Sensor("GPU Video Engine", 2, SensorType.Load, this, settings);
_loads[3] = new Sensor("GPU Bus", 4, 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);
NvApi.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 (NvidiaML.IsAvailable || NvidiaML.Initialize())
{
if (hasPciBusId)
{
_nvmlDevice = NvidiaML.NvmlDeviceGetHandleByPciBusId($" 0000:{busId:X2}:00.0") ?? NvidiaML.NvmlDeviceGetHandleByIndex(_adapterIndex);
}
else
{
_nvmlDevice = NvidiaML.NvmlDeviceGetHandleByIndex(_adapterIndex);
}
if (_nvmlDevice.HasValue)
{
_powerUsage = new Sensor("GPU Package", 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);
if (!Software.OperatingSystem.IsUnix)
{
NvidiaML.NvmlPciInfo?pciInfo = NvidiaML.NvmlDeviceGetPciInfo(_nvmlDevice.Value);
if (pciInfo is { } pci)
{
string[] deviceIdentifiers = D3DDisplayDevice.GetDeviceIdentifiers();
if (deviceIdentifiers != null)
{
foreach (string deviceIdentifier in deviceIdentifiers)
{
if (deviceIdentifier.IndexOf("VEN_" + pci.pciVendorId.ToString("X"), StringComparison.OrdinalIgnoreCase) != -1 &&
deviceIdentifier.IndexOf("DEV_" + pci.pciDeviceId.ToString("X"), StringComparison.OrdinalIgnoreCase) != -1 &&
deviceIdentifier.IndexOf("SUBSYS_" + pci.pciSubSystemId.ToString("X"), StringComparison.OrdinalIgnoreCase) != -1)
{
bool isMatch = false;
try
{
if (Registry.GetValue(@"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\nvlddmkm\Enum", adapterIndex.ToString(), null) is string adapterPnpId)
{
if (deviceIdentifier.IndexOf(adapterPnpId.Replace('\\', '#'), StringComparison.OrdinalIgnoreCase) != -1)
{
isMatch = true;
}
}
}
catch
{
// Ignored.
}
if (!isMatch)
{
try
{
string path = deviceIdentifier;
if (path.StartsWith(@"\\?\"))
{
path = path.Substring(4);
}
path = path.Replace('#', '\\');
int index = path.IndexOf('{');
if (index != -1)
{
path = path.Substring(0, index);
}
path = @"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\" + path;
if (Registry.GetValue(path, "LocationInformation", null) is string locationInformation)
{
// For example:
// @System32\drivers\pci.sys,#65536;PCI bus %1, device %2, function %3;(38,0,0)
index = locationInformation.IndexOf('(');
if (index != -1)
{
index++;
int secondIndex = locationInformation.IndexOf(',', index);
if (secondIndex != -1)
{
string bus = locationInformation.Substring(index, secondIndex - index);
if (pci.bus.ToString() == bus)
{
isMatch = true;
}
}
}
}
}
catch
{
// Ignored.
}
}
if (isMatch && D3DDisplayDevice.GetDeviceInfoByIdentifier(deviceIdentifier, out D3DDisplayDevice.D3DDeviceInfo deviceInfo))
{
_windowsDeviceName = deviceIdentifier;
_gpuDedicatedMemoryUsage = new Sensor("D3D Dedicated Memory Used", _memorySensorIndex++, SensorType.SmallData, this, settings);
_gpuSharedMemoryUsage = new Sensor("D3D Shared Memory Used", _memorySensorIndex++, SensorType.SmallData, this, settings);
_gpuNodeUsage = new Sensor[deviceInfo.Nodes.Length];
_gpuNodeUsagePrevValue = new long[deviceInfo.Nodes.Length];
_gpuNodeUsagePrevTick = new DateTime[deviceInfo.Nodes.Length];
foreach (D3DDisplayDevice.D3DDeviceNodeInfo node in deviceInfo.Nodes)
{
_gpuNodeUsage[node.Id] = new Sensor(node.Name, _nodeSensorIndex++, SensorType.Load, this, settings);
_gpuNodeUsagePrevValue[node.Id] = node.RunningTime;
_gpuNodeUsagePrevTick[node.Id] = node.QueryTime;
}
}
}
}
}
}
}
}
}
Update();
}
public override void Update()
{
if (_windowsDeviceName != null && D3DDisplayDevice.GetDeviceInfoByIdentifier(_windowsDeviceName, out D3DDisplayDevice.D3DDeviceInfo deviceInfo))
{
_gpuDedicatedMemoryUsage.Value = 1f * deviceInfo.GpuDedicatedUsed / 1024 / 1024;
_gpuSharedMemoryUsage.Value = 1f * deviceInfo.GpuSharedUsed / 1024 / 1024;
ActivateSensor(_gpuDedicatedMemoryUsage);
ActivateSensor(_gpuSharedMemoryUsage);
foreach (D3DDisplayDevice.D3DDeviceNodeInfo node in deviceInfo.Nodes)
{
long runningTimeDiff = node.RunningTime - _gpuNodeUsagePrevValue[node.Id];
long timeDiff = node.QueryTime.Ticks - _gpuNodeUsagePrevTick[node.Id].Ticks;
_gpuNodeUsage[node.Id].Value = 100f * runningTimeDiff / timeDiff;
_gpuNodeUsagePrevValue[node.Id] = node.RunningTime;
_gpuNodeUsagePrevTick[node.Id] = node.QueryTime;
ActivateSensor(_gpuNodeUsage[node.Id]);
}
}
NvApi.NvGPUThermalSettings settings = GetThermalSettings();
// settings.Count is 0 when no valid data available, this happens when you try to read out this value with a high polling interval.
if (settings.Count > 0)
{
foreach (Sensor sensor in _temperatures)
{
sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;
}
}
bool readTach = false;
if (_fan != null)
{
if (NvApi.NvAPI_GPU_GetTachReading(_handle, out int value) == NvApi.NvStatus.OK)
{
_fan.Value = value;
ActivateSensor(_fan);
readTach = 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];
}
}
NvApi.NvPStates states = new() { Version = NvApi.GPU_PSTATES_VER, PStates = new NvApi.NvPState[NvApi.MAX_PSTATES_PER_GPU] };
if (NvApi.NvAPI_GPU_GetPStates != null && NvApi.NvAPI_GPU_GetPStates(_handle, ref states) == NvApi.NvStatus.OK)
{
for (int i = 0; i < _loads.Length; i++)
{
if (states.PStates[i].Present)
{
_loads[i].Value = states.PStates[i].Percentage;
ActivateSensor(_loads[i]);
}
}
}
else
{
NvApi.NvUsages usages = new() { Version = NvApi.GPU_USAGES_VER, Usage = new uint[NvApi.MAX_USAGES_PER_GPU] };
if (NvApi.NvAPI_GPU_GetUsages != null && NvApi.NvAPI_GPU_GetUsages(_handle, ref usages) == NvApi.NvStatus.OK)
{
_loads[0].Value = usages.Usage[2];
_loads[1].Value = usages.Usage[6];
_loads[2].Value = usages.Usage[10];
for (int i = 0; i < 3; i++)
{
ActivateSensor(_loads[i]);
}
}
}
bool readCoolerSettings = false;
NvApi.NvGPUCoolerSettings coolerSettings = GetCoolerSettings();
if (coolerSettings.Count > 0)
{
_control.Value = coolerSettings.Cooler[0].CurrentLevel;
ActivateSensor(_control);
readCoolerSettings = true;
}
if (!readTach || !readCoolerSettings)
{
NvApi.NvFanCoolersStatus coolersStatus = GetFanCoolersStatus();
if (coolersStatus.Count > 0)
{
if (!readCoolerSettings)
{
_control.Value = coolersStatus.Items[0].CurrentLevel;
ActivateSensor(_control);
}
if (!readTach && _fan != null)
{
_fan.Value = coolersStatus.Items[0].CurrentRpm;
ActivateSensor(_fan);
}
}
}
NvApi.NvMemoryInfo memoryInfo = new() { Version = NvApi.GPU_MEMORY_INFO_VER, Values = new uint[NvApi.MAX_MEMORY_VALUES_PER_GPU] };
if (NvApi.NvAPI_GPU_GetMemoryInfo != null && _displayHandle.HasValue && NvApi.NvAPI_GPU_GetMemoryInfo(_displayHandle.Value, ref memoryInfo) == NvApi.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 (NvidiaML.IsAvailable && _nvmlDevice.HasValue)
{
int?result = NvidiaML.NvmlDeviceGetPowerUsage(_nvmlDevice.Value);
if (result.HasValue)
{
_powerUsage.Value = (float)result.Value / 1000;
ActivateSensor(_powerUsage);
}
// In MB/s, throughput sensors are passed as in KB/s.
uint?rx = NvidiaML.NvmlDeviceGetPcieThroughput(_nvmlDevice.Value, NvidiaML.NvmlPcieUtilCounter.RxBytes);
if (rx.HasValue)
{
_pcieThroughputRx.Value = rx * 1024;
ActivateSensor(_pcieThroughputRx);
}
uint?tx = NvidiaML.NvmlDeviceGetPcieThroughput(_nvmlDevice.Value, NvidiaML.NvmlPcieUtilCounter.TxBytes);
if (tx.HasValue)
{
_pcieThroughputTx.Value = tx * 1024;
ActivateSensor(_pcieThroughputTx);
}
}
}
public override string GetReport()