Release version 0.1.12. Added error handling for PerformanceCounters (CPU load sensor).
3 Version: MPL 1.1/GPL 2.0/LGPL 2.1
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6 1.1 (the "License"); you may not use this file except in compliance with
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12 WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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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.
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"),
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39 using System.Collections.Generic;
41 using System.Diagnostics;
45 namespace OpenHardwareMonitor.Hardware.CPU {
46 public class AMD0FCPU : IHardware {
51 private uint pciAddress;
53 private Sensor[] coreTemperatures;
56 private Sensor totalLoad;
57 private Sensor[] coreLoads;
59 private List<ISensor> active = new List<ISensor>();
61 private PerformanceCounter totalLoadCounter;
62 private PerformanceCounter[] coreLoadCounters;
64 private const ushort PCI_AMD_VENDOR_ID = 0x1022;
65 private const ushort PCI_AMD_0FH_MISCELLANEOUS_DEVICE_ID = 0x1103;
66 private const uint THERMTRIP_STATUS_REGISTER = 0xE4;
67 private const byte THERM_SENSE_CORE_SEL_CPU0 = 0x2;
68 private const byte THERM_SENSE_CORE_SEL_CPU1 = 0x0;
70 public AMD0FCPU(string name, uint family, uint model, uint stepping,
71 uint[,] cpuidData, uint[,] cpuidExtData) {
74 this.icon = Utilities.EmbeddedResources.GetImage("cpu.png");
77 if (cpuidExtData.GetLength(0) > 8)
78 coreCount = (cpuidExtData[8, 2] & 0xFF) + 1;
81 coreCount = coreCount > 2 ? 2 : coreCount;
84 totalLoadCounter = new PerformanceCounter();
85 totalLoadCounter.CategoryName = "Processor";
86 totalLoadCounter.CounterName = "% Processor Time";
87 totalLoadCounter.InstanceName = "_Total";
88 totalLoadCounter.NextValue();
90 totalLoadCounter = null;
92 totalLoad = new Sensor("CPU Total", 0, SensorType.Load, this);
94 coreLoadCounters = new PerformanceCounter[coreCount];
95 coreLoads = new Sensor[coreCount];
96 for (int i = 0; i < coreLoadCounters.Length; i++) {
98 coreLoadCounters[i] = new PerformanceCounter();
99 coreLoadCounters[i].CategoryName = "Processor";
100 coreLoadCounters[i].CounterName = "% Processor Time";
101 coreLoadCounters[i].InstanceName = i.ToString();
102 coreLoadCounters[i].NextValue();
103 } catch (Exception) {
104 coreLoadCounters[i] = null;
106 coreLoads[i] = new Sensor("Core #" + (i + 1), i + 1,
107 SensorType.Load, this);
110 coreTemperatures = new Sensor[coreCount];
111 for (int i = 0; i < coreCount; i++)
112 coreTemperatures[i] =
113 new Sensor("Core #" + (i + 1), i, SensorType.Temperature, this);
115 pciAddress = WinRing0.FindPciDeviceById(PCI_AMD_VENDOR_ID,
116 PCI_AMD_0FH_MISCELLANEOUS_DEVICE_ID, 0);
120 // AM2+ 65nm +21 offset
121 if (model >= 0x69 && model != 0xc1 && model != 0x6c && model != 0x7c)
131 public string Identifier {
132 get { return "/amdcpu/0"; }
139 public ISensor[] Sensors {
140 get { return active.ToArray(); }
143 public string GetReport() {
147 public void Update() {
148 if (pciAddress == 0xFFFFFFFF)
151 for (uint i = 0; i < coreTemperatures.Length; i++) {
152 if (WinRing0.WritePciConfigDwordEx(
153 pciAddress, THERMTRIP_STATUS_REGISTER,
154 i > 0 ? THERM_SENSE_CORE_SEL_CPU1 : THERM_SENSE_CORE_SEL_CPU0)) {
156 if (WinRing0.ReadPciConfigDwordEx(
157 pciAddress, THERMTRIP_STATUS_REGISTER, out value)) {
158 coreTemperatures[i].Value = ((value >> 16) & 0xFF) + offset;
159 ActivateSensor(coreTemperatures[i]);
161 DeactivateSensor(coreTemperatures[i]);
166 if (totalLoadCounter != null) {
167 totalLoad.Value = totalLoadCounter.NextValue();
168 ActivateSensor(totalLoad);
171 for (int i = 0; i < coreLoads.Length; i++)
172 if (coreLoadCounters[i] != null) {
173 coreLoads[i].Value = coreLoadCounters[i].NextValue();
174 ActivateSensor(coreLoads[i]);
178 private void ActivateSensor(Sensor sensor) {
179 if (!active.Contains(sensor)) {
181 if (SensorAdded != null)
186 private void DeactivateSensor(Sensor sensor) {
187 if (active.Contains(sensor)) {
188 active.Remove(sensor);
189 if (SensorRemoved != null)
190 SensorRemoved(sensor);
194 public event SensorEventHandler SensorAdded;
195 public event SensorEventHandler SensorRemoved;