private static string GetName(NvPhysicalGpuHandle handle)
{
string gpuName;
if (NVAPI.NvAPI_GPU_GetFullName(handle, out gpuName) == NvStatus.OK)
{
return("NVIDIA " + gpuName.Trim());
}
else
{
return("NVIDIA");
}
}
public static NvStatus NvAPI_GPU_GetFullName(NvPhysicalGpuHandle gpuHandle,
out string name)
{
StringBuilder builder = new StringBuilder(SHORT_STRING_MAX);
NvStatus status;
if (_NvAPI_GPU_GetFullName != null)
{
status = _NvAPI_GPU_GetFullName(gpuHandle, builder);
}
else
{
status = NvStatus.FUNCTION_NOT_FOUND;
}
name = builder.ToString();
return(status);
}
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 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();
}
