private NvGPUCoolerSettings GetCoolerSettings()
{
NvGPUCoolerSettings settings = new NvGPUCoolerSettings();
settings.Version = NVAPI.GPU_COOLER_SETTINGS_VER;
settings.Cooler = new NvCooler[NVAPI.MAX_COOLER_PER_GPU];
if (!(NVAPI.NvAPI_GPU_GetCoolerSettings != null &&
NVAPI.NvAPI_GPU_GetCoolerSettings(handle, 0,
ref settings) == NvStatus.OK))
{
settings.Count = 0;
}
return(settings);
}
private NvGPUThermalSettings GetThermalSettings()
{
NvGPUThermalSettings settings = new NvGPUThermalSettings();
settings.Version = NVAPI.GPU_THERMAL_SETTINGS_VER;
settings.Count = NVAPI.MAX_THERMAL_SENSORS_PER_GPU;
settings.Sensor = new NvSensor[NVAPI.MAX_THERMAL_SENSORS_PER_GPU];
if (!(NVAPI.NvAPI_GPU_GetThermalSettings != null &&
NVAPI.NvAPI_GPU_GetThermalSettings(handle, (int)NvThermalTarget.ALL,
ref settings) == NvStatus.OK))
{
settings.Count = 0;
}
return(settings);
}
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;
}
}
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)
: 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[] { new ParameterDescription("Desired [°C]", "Desired temperature.", 50),
new ParameterDescription("Critical [°C]", "Critical temperature.", 70) }, 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 && coolerSettings.Cooler.Length > 0 && fan != null)
{
fanControl = new Control(control, settings,
coolerSettings.Cooler[0].DefaultMin,
coolerSettings.Cooler[0].DefaultMax, fan);
fan.Affector = control;
fanControl.ControlModeChanged += ControlModeChanged;
fanControl.SoftwareControlValueChanged += SoftwareControlValueChanged;
ControlModeChanged(fanControl);
control.Control = fanControl;
}
Update();
}
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)
{
NvDisplayDriverVersion driverVersion = new NvDisplayDriverVersion();
driverVersion.Version = NVAPI.DISPLAY_DRIVER_VERSION_VER;
if (NVAPI.NvAPI_GetDisplayDriverVersion(displayHandle.Value,
ref driverVersion) == 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)
{
uint deviceId, subSystemId, revisionId, extDeviceId;
NvStatus status = NVAPI.NvAPI_GPU_GetPCIIdentifiers(handle,
out deviceId, out subSystemId, out revisionId, out extDeviceId);
if (status == 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)
{
NvGPUThermalSettings settings = new NvGPUThermalSettings();
settings.Version = NVAPI.GPU_THERMAL_SETTINGS_VER;
settings.Count = NVAPI.MAX_THERMAL_SENSORS_PER_GPU;
settings.Sensor = new NvSensor[NVAPI.MAX_THERMAL_SENSORS_PER_GPU];
NvStatus status = NVAPI.NvAPI_GPU_GetThermalSettings(handle,
(int)NvThermalTarget.ALL, ref settings);
r.AppendLine("Thermal Settings");
r.AppendLine();
if (status == 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)
{
NvClocks allClocks = new NvClocks();
allClocks.Version = NVAPI.GPU_CLOCKS_VER;
allClocks.Clock = new uint[NVAPI.MAX_CLOCKS_PER_GPU];
NvStatus status = NVAPI.NvAPI_GPU_GetAllClocks(handle, ref allClocks);
r.AppendLine("Clocks");
r.AppendLine();
if (status == 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)
{
int tachValue;
NvStatus status = NVAPI.NvAPI_GPU_GetTachReading(handle, out tachValue);
r.AppendLine("Tachometer");
r.AppendLine();
if (status == 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)
{
NvPStates states = new NvPStates();
states.Version = NVAPI.GPU_PSTATES_VER;
states.PStates = new NvPState[NVAPI.MAX_PSTATES_PER_GPU];
NvStatus status = NVAPI.NvAPI_GPU_GetPStates(handle, ref states);
r.AppendLine("P-States");
r.AppendLine();
if (status == 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)
{
NvUsages usages = new NvUsages();
usages.Version = NVAPI.GPU_USAGES_VER;
usages.Usage = new uint[NVAPI.MAX_USAGES_PER_GPU];
NvStatus status = NVAPI.NvAPI_GPU_GetUsages(handle, ref usages);
r.AppendLine("Usages");
r.AppendLine();
if (status == 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)
{
NvGPUCoolerSettings settings = new NvGPUCoolerSettings();
settings.Version = NVAPI.GPU_COOLER_SETTINGS_VER;
settings.Cooler = new NvCooler[NVAPI.MAX_COOLER_PER_GPU];
NvStatus status =
NVAPI.NvAPI_GPU_GetCoolerSettings(handle, 0, ref settings);
r.AppendLine("Cooler Settings");
r.AppendLine();
if (status == 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_GetMemoryInfo != null && displayHandle.HasValue)
{
NvMemoryInfo memoryInfo = new NvMemoryInfo();
memoryInfo.Version = NVAPI.GPU_MEMORY_INFO_VER;
memoryInfo.Values = new uint[NVAPI.MAX_MEMORY_VALUES_PER_GPU];
NvStatus status = NVAPI.NvAPI_GPU_GetMemoryInfo(displayHandle.Value,
ref memoryInfo);
r.AppendLine("Memory Info");
r.AppendLine();
if (status == 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 override void Update()
{
NvGPUThermalSettings settings = GetThermalSettings();
foreach (Sensor sensor in temperatures)
{
sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;
}
if (fan != null)
{
int value = 0;
NVAPI.NvAPI_GPU_GetTachReading(handle, out 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];
}
}
NvPStates states = new NvPStates();
states.Version = NVAPI.GPU_PSTATES_VER;
states.PStates = new NvPState[NVAPI.MAX_PSTATES_PER_GPU];
if (NVAPI.NvAPI_GPU_GetPStates != null &&
NVAPI.NvAPI_GPU_GetPStates(handle, ref states) == 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
{
NvUsages usages = new NvUsages();
usages.Version = NVAPI.GPU_USAGES_VER;
usages.Usage = new uint[NVAPI.MAX_USAGES_PER_GPU];
if (NVAPI.NvAPI_GPU_GetUsages != null &&
NVAPI.NvAPI_GPU_GetUsages(handle, ref usages) == 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]);
}
}
}
NvGPUCoolerSettings coolerSettings = GetCoolerSettings();
if (coolerSettings.Count > 0)
{
control.Value = coolerSettings.Cooler[0].CurrentLevel;
ActivateSensor(control);
}
NvMemoryInfo memoryInfo = new NvMemoryInfo();
memoryInfo.Version = NVAPI.GPU_MEMORY_INFO_VER;
memoryInfo.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) ==
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);
}
}
