public override float NextValue()
{
// Update GPU processor load
NvPStates states = new NvPStates
{
Version = NVAPI.GPU_PSTATES_VER,
PStates = new NvPState[NVAPI.MAX_PSTATES_PER_GPU]
};
if (NVAPI.NvAPI_GPU_GetPStates != null && NVAPI.NvAPI_GPU_GetPStates(gpuHandle, ref states) == NvStatus.OK)
{
if (states.PStates[0].Present)
{
return(states.PStates[2].Percentage);
}
}
else
{
NvUsages usages = new NvUsages
{
Version = NVAPI.GPU_USAGES_VER,
Usage = new uint[NVAPI.MAX_USAGES_PER_GPU]
};
if (NVAPI.NvAPI_GPU_GetUsages != null && NVAPI.NvAPI_GPU_GetUsages(gpuHandle, ref usages) == NvStatus.OK)
{
return(usages.Usage[10]);
}
}
return(0);
}
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);
}
}
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();
}
