OpenHardwareMonitor: Hardware/Nvidia/NvidiaGPU.cs@673c2ad36db2

     1 /*

     3   Version: MPL 1.1/GPL 2.0/LGPL 2.1

     5   The contents of this file are subject to the Mozilla Public License Version

     6   1.1 (the "License"); you may not use this file except in compliance with

     7   the License. You may obtain a copy of the License at

     9   http://www.mozilla.org/MPL/

    11   Software distributed under the License is distributed on an "AS IS" basis,

    12   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License

    13   for the specific language governing rights and limitations under the License.

    15   The Original Code is the Open Hardware Monitor code.

    17   The Initial Developer of the Original Code is

    18   Michael Möller <m.moeller@gmx.ch>.

    19   Portions created by the Initial Developer are Copyright (C) 2009-2010

    20   the Initial Developer. All Rights Reserved.

    22   Contributor(s):

    24   Alternatively, the contents of this file may be used under the terms of

    25   either the GNU General Public License Version 2 or later (the "GPL"), or

    26   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),

    27   in which case the provisions of the GPL or the LGPL are applicable instead

    28   of those above. If you wish to allow use of your version of this file only

    29   under the terms of either the GPL or the LGPL, and not to allow others to

    30   use your version of this file under the terms of the MPL, indicate your

    31   decision by deleting the provisions above and replace them with the notice

    32   and other provisions required by the GPL or the LGPL. If you do not delete

    33   the provisions above, a recipient may use your version of this file under

    34   the terms of any one of the MPL, the GPL or the LGPL.

    36 */

    38 using System;

    39 using System.Collections.Generic;

    40 using System.Drawing;

    41 using System.Text;

    43 namespace OpenHardwareMonitor.Hardware.Nvidia {

    44   public class NvidiaGPU : Hardware, IHardware {

    46     private string name;

    47     private Image icon;

    48     private int adapterIndex;

    49     private NvPhysicalGpuHandle handle;

    50     private NvDisplayHandle? displayHandle;

    52     private Sensor[] temperatures;

    53     private Sensor fan = null;

    54     private Sensor[] clocks;

    55     private Sensor[] loads;

    56     private Sensor control;

    57     private Sensor memoryLoad;

    59     public NvidiaGPU(int adapterIndex, NvPhysicalGpuHandle handle,

    60       NvDisplayHandle? displayHandle)

    61     {

    62       string gpuName;

    63       if (NVAPI.NvAPI_GPU_GetFullName(handle, out gpuName) == NvStatus.OK) {

    64         this.name = "NVIDIA " + gpuName.Trim();

    65       } else {

    66         this.name = "NVIDIA";

    67       }

    68       this.icon = Utilities.EmbeddedResources.GetImage("nvidia.png");

    69       this.adapterIndex = adapterIndex;

    70       this.handle = handle;

    71       this.displayHandle = displayHandle;

    73       NvGPUThermalSettings settings = GetThermalSettings();

    74       temperatures = new Sensor[settings.Count];

    75       for (int i = 0; i < temperatures.Length; i++) {

    76         NvSensor sensor = settings.Sensor[i];

    77         string name;

    78         switch (sensor.Target) {

    79           case NvThermalTarget.BOARD: name = "GPU Board"; break;

    80           case NvThermalTarget.GPU: name = "GPU Core"; break;

    81           case NvThermalTarget.MEMORY: name = "GPU Memory"; break;

    82           case NvThermalTarget.POWER_SUPPLY: name = "GPU Power Supply"; break;

    83           case NvThermalTarget.UNKNOWN: name = "GPU Unknown"; break;

    84           default: name = "GPU"; break;

    85         }

    86         temperatures[i] = new Sensor(name, i, SensorType.Temperature, this,

    87           new ParameterDescription[0]);

    88         ActivateSensor(temperatures[i]);

    89       }

    91       int value;

    92       if (NVAPI.NvAPI_GPU_GetTachReading != null &&

    93         NVAPI.NvAPI_GPU_GetTachReading(handle, out value) == NvStatus.OK) {

    94         if (value > 0) {

    95           fan = new Sensor("GPU", 0, SensorType.Fan, this);

    96           ActivateSensor(fan);

    97         }

    98       }

   100       clocks = new Sensor[3];

   101       clocks[0] = new Sensor("GPU Core", 0, SensorType.Clock, this);

   102       clocks[1] = new Sensor("GPU Memory", 1, SensorType.Clock, this);

   103       clocks[2] = new Sensor("GPU Shader", 2, SensorType.Clock, this);

   104       for (int i = 0; i < clocks.Length; i++)

   105         ActivateSensor(clocks[i]);

   107       loads = new Sensor[3];

   108       loads[0] = new Sensor("GPU Core", 0, SensorType.Load, this);

   109       loads[1] = new Sensor("GPU Memory Controller", 1, SensorType.Load, this);

   110       loads[2] = new Sensor("GPU Video Engine", 2, SensorType.Load, this);

   111       memoryLoad = new Sensor("GPU Memory", 3, SensorType.Load, this);

   113       control = new Sensor("GPU Fan", 0, SensorType.Control, this);

   114     }

   116     public override string Name {

   117       get { return name; }

   118     }

   120     public override Identifier Identifier {

   121       get { return new Identifier("nvidiagpu", adapterIndex.ToString()); }

   122     }

   124     public override Image Icon {

   125       get { return icon; }

   126     }

   128     private NvGPUThermalSettings GetThermalSettings() {

   129       NvGPUThermalSettings settings = new NvGPUThermalSettings();

   130       settings.Version = NVAPI.GPU_THERMAL_SETTINGS_VER;

   131       settings.Count = NVAPI.MAX_THERMAL_SENSORS_PER_GPU;

   132       settings.Sensor = new NvSensor[NVAPI.MAX_THERMAL_SENSORS_PER_GPU];

   133       if (NVAPI.NvAPI_GPU_GetThermalSettings != null &&

   134         NVAPI.NvAPI_GPU_GetThermalSettings(handle, (int)NvThermalTarget.ALL,

   135         ref settings) != NvStatus.OK) {

   136         settings.Count = 0;

   137       }

   138       return settings;

   139     }

   141     private uint[] GetClocks() {

   142       NvClocks clocks = new NvClocks();

   143       clocks.Version = NVAPI.GPU_CLOCKS_VER;

   144       clocks.Clock = new uint[NVAPI.MAX_CLOCKS_PER_GPU];

   145       if (NVAPI.NvAPI_GPU_GetAllClocks != null &&

   146         NVAPI.NvAPI_GPU_GetAllClocks(handle, ref clocks) == NvStatus.OK) {

   147         return clocks.Clock;

   148       }

   149       return null;

   150     }

   152     public override void Update() {

   153       NvGPUThermalSettings settings = GetThermalSettings();

   154       foreach (Sensor sensor in temperatures)

   155         sensor.Value = settings.Sensor[sensor.Index].CurrentTemp;

   157       if (fan != null) {

   158         int value = 0;

   159         NVAPI.NvAPI_GPU_GetTachReading(handle, out value);

   160         fan.Value = value;

   161       }

   163       uint[] values = GetClocks();

   164       if (values != null) {

   165         clocks[0].Value = 0.001f * values[0];

   166         clocks[1].Value = 0.001f * values[8];

   167         clocks[2].Value = 0.001f * values[14];

   168         if (values[30] != 0) {

   169           clocks[0].Value = 0.0005f * values[30];

   170           clocks[2].Value = 0.001f * values[30];

   171         }

   172       }

   174       NvPStates states = new NvPStates();

   175       states.Version = NVAPI.GPU_PSTATES_VER;

   176       states.PStates = new NvPState[NVAPI.MAX_PSTATES_PER_GPU];

   177       if (NVAPI.NvAPI_GPU_GetPStates != null &&

   178         NVAPI.NvAPI_GPU_GetPStates(handle, ref states) == NvStatus.OK) {

   179         for (int i = 0; i < 3; i++)

   180           if (states.PStates[i].Present) {

   181             loads[i].Value = states.PStates[i].Percentage;

   182             ActivateSensor(loads[i]);

   183           }

   184       } else {

   185         NvUsages usages = new NvUsages();

   186         usages.Version = NVAPI.GPU_USAGES_VER;

   187         usages.Usage = new uint[NVAPI.MAX_USAGES_PER_GPU];

   188         if (NVAPI.NvAPI_GPU_GetUsages != null &&

   189           NVAPI.NvAPI_GPU_GetUsages(handle, ref usages) == NvStatus.OK) {

   190           loads[0].Value = usages.Usage[2];

   191           loads[1].Value = usages.Usage[6];

   192           loads[2].Value = usages.Usage[10];

   193           for (int i = 0; i < 3; i++)

   194             ActivateSensor(loads[i]);

   195         }

   196       }

   198       NvGPUCoolerSettings coolerSettings = new NvGPUCoolerSettings();

   199       coolerSettings.Version = NVAPI.GPU_COOLER_SETTINGS_VER;

   200       coolerSettings.Cooler = new NvCooler[NVAPI.MAX_COOLER_PER_GPU];

   201       if (NVAPI.NvAPI_GPU_GetCoolerSettings != null &&

   202         NVAPI.NvAPI_GPU_GetCoolerSettings(handle, 0, ref coolerSettings) ==

   203         NvStatus.OK && coolerSettings.Count > 0) {

   204         control.Value = coolerSettings.Cooler[0].CurrentLevel;

   205         ActivateSensor(control);

   206       }

   208       NvMemoryInfo memoryInfo = new NvMemoryInfo();

   209       memoryInfo.Version = NVAPI.GPU_MEMORY_INFO_VER;

   210       memoryInfo.Values = new uint[NVAPI.MAX_MEMORY_VALUES_PER_GPU];

   211       if (NVAPI.NvAPI_GPU_GetMemoryInfo != null && displayHandle.HasValue &&

   212         NVAPI.NvAPI_GPU_GetMemoryInfo(displayHandle.Value, ref memoryInfo) ==

   213         NvStatus.OK)

   214       {

   215         uint totalMemory = memoryInfo.Values[0];

   216         uint freeMemory = memoryInfo.Values[4];

   217         float usedMemory = Math.Max(totalMemory - freeMemory, 0);

   218         memoryLoad.Value = 100f * usedMemory / totalMemory;

   219         ActivateSensor(memoryLoad);

   220       }

   221     }

   223     public override string GetReport() {

   224       StringBuilder r = new StringBuilder();

   226       r.AppendLine("Nvidia GPU");

   227       r.AppendLine();

   229       r.AppendFormat("Name: {0}{1}", name, Environment.NewLine);

   230       r.AppendFormat("Index: {0}{1}", adapterIndex, Environment.NewLine);

   232       if (displayHandle.HasValue && NVAPI.NvAPI_GetDisplayDriverVersion != null)

   233       {

   234         NvDisplayDriverVersion driverVersion = new NvDisplayDriverVersion();

   235         driverVersion.Version = NVAPI.DISPLAY_DRIVER_VERSION_VER;

   236         if (NVAPI.NvAPI_GetDisplayDriverVersion(displayHandle.Value,

   237           ref driverVersion) == NvStatus.OK) {

   238           r.Append("Driver Version: ");

   239           r.Append(driverVersion.DriverVersion / 100);

   240           r.Append(".");

   241           r.Append((driverVersion.DriverVersion % 100).ToString("00"));

   242           r.AppendLine();

   243           r.Append("Driver Branch: ");

   244           r.AppendLine(driverVersion.BuildBranch);

   245         }

   246       }

   247       r.AppendLine();

   249       if (NVAPI.NvAPI_GPU_GetThermalSettings != null) {

   250         NvGPUThermalSettings settings = new NvGPUThermalSettings();

   251         settings.Version = NVAPI.GPU_THERMAL_SETTINGS_VER;

   252         settings.Count = NVAPI.MAX_THERMAL_SENSORS_PER_GPU;

   253         settings.Sensor = new NvSensor[NVAPI.MAX_THERMAL_SENSORS_PER_GPU];

   255         NvStatus status = NVAPI.NvAPI_GPU_GetThermalSettings(handle,

   256           (int)NvThermalTarget.ALL, ref settings);

   258         r.AppendLine("Thermal Settings");

   259         r.AppendLine();

   260         if (status == NvStatus.OK) {

   261           for (int i = 0; i < settings.Count; i++) {

   262             r.AppendFormat(" Sensor[{0}].Controller: {1}{2}", i,

   263               settings.Sensor[i].Controller, Environment.NewLine);

   264             r.AppendFormat(" Sensor[{0}].DefaultMinTemp: {1}{2}", i,

   265               settings.Sensor[i].DefaultMinTemp, Environment.NewLine);

   266             r.AppendFormat(" Sensor[{0}].DefaultMaxTemp: {1}{2}", i,

   267               settings.Sensor[i].DefaultMaxTemp, Environment.NewLine);

   268             r.AppendFormat(" Sensor[{0}].CurrentTemp: {1}{2}", i,

   269               settings.Sensor[i].CurrentTemp, Environment.NewLine);

   270             r.AppendFormat(" Sensor[{0}].Target: {1}{2}", i,

   271               settings.Sensor[i].Target, Environment.NewLine);

   272           }

   273         } else {

   274           r.Append(" Status: ");

   275           r.AppendLine(status.ToString());

   276         }

   277         r.AppendLine();

   278       }

   280       if (NVAPI.NvAPI_GPU_GetAllClocks != null) {

   281         NvClocks clocks = new NvClocks();

   282         clocks.Version = NVAPI.GPU_CLOCKS_VER;

   283         clocks.Clock = new uint[NVAPI.MAX_CLOCKS_PER_GPU];

   284         NvStatus status = NVAPI.NvAPI_GPU_GetAllClocks(handle, ref clocks);

   286         r.AppendLine("Clocks");

   287         r.AppendLine();

   288         if (status == NvStatus.OK) {

   289           for (int i = 0; i < clocks.Clock.Length; i++)

   290             if (clocks.Clock[i] > 0) {

   291               r.AppendFormat(" Clock[{0}]: {1}{2}", i, clocks.Clock[i],

   292                 Environment.NewLine);

   293             }

   294         } else {

   295           r.Append(" Status: ");

   296           r.AppendLine(status.ToString());

   297         }

   298         r.AppendLine();

   299       }

   301       if (NVAPI.NvAPI_GPU_GetTachReading != null) {

   302         int tachValue;

   303         NvStatus status = NVAPI.NvAPI_GPU_GetTachReading(handle, out tachValue);

   305         r.AppendLine("Tachometer");

   306         r.AppendLine();

   307         if (status == NvStatus.OK) {

   308           r.AppendFormat(" Value: {0}{1}", tachValue, Environment.NewLine);

   309         } else {

   310           r.Append(" Status: ");

   311           r.AppendLine(status.ToString());

   312         }

   313         r.AppendLine();

   314       }

   316       if (NVAPI.NvAPI_GPU_GetPStates != null) {

   317         NvPStates states = new NvPStates();

   318         states.Version = NVAPI.GPU_PSTATES_VER;

   319         states.PStates = new NvPState[NVAPI.MAX_PSTATES_PER_GPU];

   320         NvStatus status = NVAPI.NvAPI_GPU_GetPStates(handle, ref states);

   322         r.AppendLine("P-States");

   323         r.AppendLine();

   324         if (status == NvStatus.OK) {

   325           for (int i = 0; i < states.PStates.Length; i++)

   326             if (states.PStates[i].Present)

   327               r.AppendFormat(" Percentage[{0}]: {1}{2}", i,

   328                 states.PStates[i].Percentage, Environment.NewLine);

   329         } else {

   330           r.Append(" Status: ");

   331           r.AppendLine(status.ToString());

   332         }

   333         r.AppendLine();

   334       }

   336       if (NVAPI.NvAPI_GPU_GetUsages != null) {

   337         NvUsages usages = new NvUsages();

   338         usages.Version = NVAPI.GPU_USAGES_VER;

   339         usages.Usage = new uint[NVAPI.MAX_USAGES_PER_GPU];

   340         NvStatus status = NVAPI.NvAPI_GPU_GetUsages(handle, ref usages);

   342         r.AppendLine("Usages");

   343         r.AppendLine();

   344         if (status == NvStatus.OK) {

   345           for (int i = 0; i < usages.Usage.Length; i++)

   346             if (usages.Usage[i] > 0)

   347               r.AppendFormat(" Usage[{0}]: {1}{2}", i,

   348                 usages.Usage[i], Environment.NewLine);

   349         } else {

   350           r.Append(" Status: ");

   351           r.AppendLine(status.ToString());

   352         }

   353         r.AppendLine();

   354       }

   356       if (NVAPI.NvAPI_GPU_GetCoolerSettings != null) {

   357         NvGPUCoolerSettings settings = new NvGPUCoolerSettings();

   358         settings.Version = NVAPI.GPU_COOLER_SETTINGS_VER;

   359         settings.Cooler = new NvCooler[NVAPI.MAX_COOLER_PER_GPU];

   360         NvStatus status =

   361           NVAPI.NvAPI_GPU_GetCoolerSettings(handle, 0, ref settings);

   363         r.AppendLine("Cooler Settings");

   364         r.AppendLine();

   365         if (status == NvStatus.OK) {

   366           for (int i = 0; i < settings.Count; i++) {

   367             r.AppendFormat(" Cooler[{0}].Type: {1}{2}", i,

   368               settings.Cooler[i].Type, Environment.NewLine);

   369             r.AppendFormat(" Cooler[{0}].Controller: {1}{2}", i,

   370               settings.Cooler[i].Controller, Environment.NewLine);

   371             r.AppendFormat(" Cooler[{0}].DefaultMin: {1}{2}", i,

   372               settings.Cooler[i].DefaultMin, Environment.NewLine);

   373             r.AppendFormat(" Cooler[{0}].DefaultMax: {1}{2}", i,

   374               settings.Cooler[i].DefaultMax, Environment.NewLine);

   375             r.AppendFormat(" Cooler[{0}].CurrentMin: {1}{2}", i,

   376               settings.Cooler[i].CurrentMin, Environment.NewLine);

   377             r.AppendFormat(" Cooler[{0}].CurrentMax: {1}{2}", i,

   378               settings.Cooler[i].CurrentMax, Environment.NewLine);

   379             r.AppendFormat(" Cooler[{0}].CurrentLevel: {1}{2}", i,

   380               settings.Cooler[i].CurrentLevel, Environment.NewLine);

   381             r.AppendFormat(" Cooler[{0}].DefaultPolicy: {1}{2}", i,

   382               settings.Cooler[i].DefaultPolicy, Environment.NewLine);

   383             r.AppendFormat(" Cooler[{0}].CurrentPolicy: {1}{2}", i,

   384               settings.Cooler[i].CurrentPolicy, Environment.NewLine);

   385             r.AppendFormat(" Cooler[{0}].Target: {1}{2}", i,

   386               settings.Cooler[i].Target, Environment.NewLine);

   387             r.AppendFormat(" Cooler[{0}].ControlType: {1}{2}", i,

   388               settings.Cooler[i].ControlType, Environment.NewLine);

   389             r.AppendFormat(" Cooler[{0}].Active: {1}{2}", i,

   390               settings.Cooler[i].Active, Environment.NewLine);

   391           }

   392         } else {

   393           r.Append(" Status: ");

   394           r.AppendLine(status.ToString());

   395         }

   396         r.AppendLine();

   397       }

   399       if (NVAPI.NvAPI_GPU_GetMemoryInfo != null && displayHandle.HasValue) {

   400         NvMemoryInfo memoryInfo = new NvMemoryInfo();

   401         memoryInfo.Version = NVAPI.GPU_MEMORY_INFO_VER;

   402         memoryInfo.Values = new uint[NVAPI.MAX_MEMORY_VALUES_PER_GPU];

   403         NvStatus status = NVAPI.NvAPI_GPU_GetMemoryInfo(displayHandle.Value,

   404           ref memoryInfo);

   406         r.AppendLine("Memory Info");

   407         r.AppendLine();

   408         if (status == NvStatus.OK) {

   409           for (int i = 0; i < memoryInfo.Values.Length; i++)

   410             r.AppendFormat(" Value[{0}]: {1}{2}", i,

   411                 memoryInfo.Values[i], Environment.NewLine);

   412         } else {

   413           r.Append(" Status: ");

   414           r.AppendLine(status.ToString());

   415         }

   416         r.AppendLine();

   417       }

   419       return r.ToString();

   420     }

   421   }

   422 }

author	moel.mich
	Mon, 28 Jun 2010 20:39:49 +0000
changeset 145	673c2ad36db2
parent 134	8b3b9b2e28e5
child 165	813d8bc3192f
permissions	-rw-r--r--