1 | /* $Id: PerformanceImpl.cpp 19161 2009-04-24 09:47:12Z vboxsync $ */
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2 |
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3 | /** @file
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4 | *
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5 | * VBox Performance API COM Classes implementation
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6 | */
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7 |
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8 | /*
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9 | * Copyright (C) 2008 Sun Microsystems, Inc.
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10 | *
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11 | * This file is part of VirtualBox Open Source Edition (OSE), as
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12 | * available from http://www.virtualbox.org. This file is free software;
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13 | * you can redistribute it and/or modify it under the terms of the GNU
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14 | * General Public License (GPL) as published by the Free Software
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15 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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16 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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17 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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18 | *
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19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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20 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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21 | * additional information or have any questions.
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22 | */
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23 |
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24 | #include "PerformanceImpl.h"
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25 |
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26 | #include "Logging.h"
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27 |
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28 | #include <iprt/process.h>
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29 |
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30 | #include <VBox/err.h>
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31 | #include <VBox/settings.h>
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32 |
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33 | #include <vector>
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34 | #include <algorithm>
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35 | #include <functional>
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36 |
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37 | #include "Performance.h"
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38 |
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39 | static Bstr gMetricNames[] =
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40 | {
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41 | "CPU/Load/User",
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42 | "CPU/Load/User:avg",
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43 | "CPU/Load/User:min",
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44 | "CPU/Load/User:max",
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45 | "CPU/Load/Kernel",
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46 | "CPU/Load/Kernel:avg",
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47 | "CPU/Load/Kernel:min",
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48 | "CPU/Load/Kernel:max",
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49 | "CPU/Load/Idle",
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50 | "CPU/Load/Idle:avg",
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51 | "CPU/Load/Idle:min",
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52 | "CPU/Load/Idle:max",
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53 | "CPU/MHz",
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54 | "CPU/MHz:avg",
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55 | "CPU/MHz:min",
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56 | "CPU/MHz:max",
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57 | "RAM/Usage/Total",
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58 | "RAM/Usage/Total:avg",
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59 | "RAM/Usage/Total:min",
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60 | "RAM/Usage/Total:max",
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61 | "RAM/Usage/Used",
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62 | "RAM/Usage/Used:avg",
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63 | "RAM/Usage/Used:min",
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64 | "RAM/Usage/Used:max",
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65 | "RAM/Usage/Free",
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66 | "RAM/Usage/Free:avg",
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67 | "RAM/Usage/Free:min",
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68 | "RAM/Usage/Free:max",
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69 | };
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70 |
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71 | ////////////////////////////////////////////////////////////////////////////////
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72 | // PerformanceCollector class
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73 | ////////////////////////////////////////////////////////////////////////////////
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74 |
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75 | // constructor / destructor
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76 | ////////////////////////////////////////////////////////////////////////////////
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77 |
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78 | PerformanceCollector::PerformanceCollector() : mMagic(0) {}
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79 |
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80 | PerformanceCollector::~PerformanceCollector() {}
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81 |
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82 | HRESULT PerformanceCollector::FinalConstruct()
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83 | {
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84 | LogFlowThisFunc (("\n"));
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85 |
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86 | return S_OK;
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87 | }
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88 |
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89 | void PerformanceCollector::FinalRelease()
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90 | {
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91 | LogFlowThisFunc (("\n"));
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92 | }
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93 |
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94 | // public initializer/uninitializer for internal purposes only
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95 | ////////////////////////////////////////////////////////////////////////////////
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96 |
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97 | /**
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98 | * Initializes the PerformanceCollector object.
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99 | */
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100 | HRESULT PerformanceCollector::init()
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101 | {
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102 | /* Enclose the state transition NotReady->InInit->Ready */
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103 | AutoInitSpan autoInitSpan (this);
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104 | AssertReturn (autoInitSpan.isOk(), E_FAIL);
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105 |
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106 | LogFlowThisFuncEnter();
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107 |
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108 | HRESULT rc = S_OK;
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109 |
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110 | m.hal = pm::createHAL();
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111 |
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112 | /* Let the sampler know it gets a valid collector. */
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113 | mMagic = MAGIC;
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114 |
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115 | /* Start resource usage sampler */
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116 | int vrc = RTTimerLRCreate (&m.sampler, VBOX_USAGE_SAMPLER_MIN_INTERVAL,
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117 | &PerformanceCollector::staticSamplerCallback, this);
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118 | AssertMsgRC (vrc, ("Failed to create resource usage "
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119 | "sampling timer(%Rra)\n", vrc));
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120 | if (RT_FAILURE (vrc))
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121 | rc = E_FAIL;
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122 |
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123 | if (SUCCEEDED (rc))
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124 | autoInitSpan.setSucceeded();
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125 |
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126 | LogFlowThisFuncLeave();
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127 |
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128 | return rc;
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129 | }
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130 |
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131 | /**
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132 | * Uninitializes the PerformanceCollector object.
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133 | *
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134 | * Called either from FinalRelease() or by the parent when it gets destroyed.
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135 | */
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136 | void PerformanceCollector::uninit()
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137 | {
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138 | LogFlowThisFuncEnter();
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139 |
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140 | /* Enclose the state transition Ready->InUninit->NotReady */
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141 | AutoUninitSpan autoUninitSpan (this);
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142 | if (autoUninitSpan.uninitDone())
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143 | {
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144 | LogFlowThisFunc (("Already uninitialized.\n"));
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145 | LogFlowThisFuncLeave();
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146 | return;
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147 | }
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148 |
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149 | mMagic = 0;
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150 |
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151 | /* Destroy resource usage sampler */
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152 | int vrc = RTTimerLRDestroy (m.sampler);
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153 | AssertMsgRC (vrc, ("Failed to destroy resource usage "
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154 | "sampling timer (%Rra)\n", vrc));
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155 | m.sampler = NULL;
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156 |
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157 | //delete m.factory;
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158 | //m.factory = NULL;
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159 |
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160 | delete m.hal;
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161 | m.hal = NULL;
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162 |
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163 | LogFlowThisFuncLeave();
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164 | }
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165 |
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166 | // IPerformanceCollector properties
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167 | ////////////////////////////////////////////////////////////////////////////////
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168 |
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169 | STDMETHODIMP
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170 | PerformanceCollector::COMGETTER(MetricNames) (ComSafeArrayOut (BSTR, theMetricNames))
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171 | {
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172 | if (ComSafeArrayOutIsNull (theMetricNames))
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173 | return E_POINTER;
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174 |
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175 | AutoCaller autoCaller (this);
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176 | CheckComRCReturnRC (autoCaller.rc());
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177 |
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178 | AutoReadLock alock (this);
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179 |
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180 | com::SafeArray <BSTR> metricNames(RT_ELEMENTS(gMetricNames));
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181 | for (size_t i = 0; i < RT_ELEMENTS(gMetricNames); i++)
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182 | {
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183 | gMetricNames[i].detachTo(&metricNames[i]);
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184 | }
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185 | //gMetricNames.detachTo(ComSafeArrayOutArg (theMetricNames));
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186 | metricNames.detachTo (ComSafeArrayOutArg (theMetricNames));
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187 |
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188 | return S_OK;
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189 | }
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190 |
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191 | // IPerformanceCollector methods
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192 | ////////////////////////////////////////////////////////////////////////////////
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193 |
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194 | HRESULT PerformanceCollector::toIPerformanceMetric(pm::Metric *src, IPerformanceMetric **dst)
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195 | {
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196 | ComObjPtr <PerformanceMetric> metric;
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197 | HRESULT rc = metric.createObject();
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198 | if (SUCCEEDED (rc))
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199 | rc = metric->init (src);
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200 | AssertComRCReturnRC (rc);
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201 | metric.queryInterfaceTo (dst);
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202 | return rc;
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203 | }
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204 |
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205 | HRESULT PerformanceCollector::toIPerformanceMetric(pm::BaseMetric *src, IPerformanceMetric **dst)
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206 | {
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207 | ComObjPtr <PerformanceMetric> metric;
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208 | HRESULT rc = metric.createObject();
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209 | if (SUCCEEDED (rc))
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210 | rc = metric->init (src);
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211 | AssertComRCReturnRC (rc);
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212 | metric.queryInterfaceTo (dst);
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213 | return rc;
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214 | }
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215 |
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216 | STDMETHODIMP
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217 | PerformanceCollector::GetMetrics (ComSafeArrayIn (IN_BSTR, metricNames),
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218 | ComSafeArrayIn (IUnknown *, objects),
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219 | ComSafeArrayOut (IPerformanceMetric *, outMetrics))
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220 | {
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221 | LogFlowThisFuncEnter();
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222 | //LogFlowThisFunc (("mState=%d, mType=%d\n", mState, mType));
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223 |
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224 | HRESULT rc = S_OK;
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225 |
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226 | AutoCaller autoCaller (this);
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227 | CheckComRCReturnRC (autoCaller.rc());
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228 |
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229 | pm::Filter filter (ComSafeArrayInArg (metricNames),
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230 | ComSafeArrayInArg (objects));
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231 |
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232 | AutoReadLock alock (this);
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233 |
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234 | MetricList filteredMetrics;
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235 | MetricList::iterator it;
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236 | for (it = m.metrics.begin(); it != m.metrics.end(); ++it)
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237 | if (filter.match ((*it)->getObject(), (*it)->getName()))
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238 | filteredMetrics.push_back (*it);
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239 |
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240 | com::SafeIfaceArray<IPerformanceMetric> retMetrics (filteredMetrics.size());
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241 | int i = 0;
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242 | for (it = filteredMetrics.begin(); it != filteredMetrics.end(); ++it)
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243 | {
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244 | ComObjPtr <PerformanceMetric> metric;
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245 | rc = metric.createObject();
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246 | if (SUCCEEDED (rc))
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247 | rc = metric->init (*it);
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248 | AssertComRCReturnRC (rc);
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249 | LogFlow (("PerformanceCollector::GetMetrics() store a metric at "
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250 | "retMetrics[%d]...\n", i));
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251 | metric.queryInterfaceTo (&retMetrics [i++]);
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252 | }
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253 | retMetrics.detachTo (ComSafeArrayOutArg(outMetrics));
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254 | LogFlowThisFuncLeave();
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255 | return rc;
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256 | }
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257 |
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258 | STDMETHODIMP
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259 | PerformanceCollector::SetupMetrics (ComSafeArrayIn (IN_BSTR, metricNames),
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260 | ComSafeArrayIn (IUnknown *, objects),
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261 | ULONG aPeriod, ULONG aCount,
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262 | ComSafeArrayOut (IPerformanceMetric *,
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263 | outMetrics))
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264 | {
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265 | AutoCaller autoCaller (this);
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266 | CheckComRCReturnRC (autoCaller.rc());
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267 |
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268 | pm::Filter filter (ComSafeArrayInArg (metricNames),
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269 | ComSafeArrayInArg (objects));
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270 |
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271 | AutoWriteLock alock (this);
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272 |
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273 | HRESULT rc = S_OK;
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274 | BaseMetricList filteredMetrics;
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275 | BaseMetricList::iterator it;
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276 | for (it = m.baseMetrics.begin(); it != m.baseMetrics.end(); ++it)
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277 | if (filter.match((*it)->getObject(), (*it)->getName()))
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278 | {
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279 | LogFlow (("PerformanceCollector::SetupMetrics() setting period to %u,"
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280 | " count to %u for %s\n", aPeriod, aCount, (*it)->getName()));
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281 | (*it)->init(aPeriod, aCount);
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282 | if (aPeriod == 0 || aCount == 0)
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283 | {
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284 | LogFlow (("PerformanceCollector::SetupMetrics() disabling %s\n",
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285 | (*it)->getName()));
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286 | (*it)->disable();
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287 | }
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288 | else
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289 | {
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290 | LogFlow (("PerformanceCollector::SetupMetrics() enabling %s\n",
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291 | (*it)->getName()));
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292 | (*it)->enable();
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293 | }
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294 | filteredMetrics.push_back(*it);
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295 | }
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296 |
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297 | com::SafeIfaceArray<IPerformanceMetric> retMetrics (filteredMetrics.size());
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298 | int i = 0;
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299 | for (it = filteredMetrics.begin();
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300 | it != filteredMetrics.end() && SUCCEEDED (rc); ++it)
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301 | rc = toIPerformanceMetric(*it, &retMetrics [i++]);
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302 | retMetrics.detachTo (ComSafeArrayOutArg(outMetrics));
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303 |
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304 | LogFlowThisFuncLeave();
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305 | return rc;
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306 | }
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307 |
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308 | STDMETHODIMP
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309 | PerformanceCollector::EnableMetrics (ComSafeArrayIn (IN_BSTR, metricNames),
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310 | ComSafeArrayIn (IUnknown *, objects),
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311 | ComSafeArrayOut (IPerformanceMetric *,
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312 | outMetrics))
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313 | {
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314 | AutoCaller autoCaller (this);
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315 | CheckComRCReturnRC (autoCaller.rc());
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316 |
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317 | pm::Filter filter (ComSafeArrayInArg (metricNames),
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318 | ComSafeArrayInArg (objects));
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319 |
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320 | AutoWriteLock alock (this); /* Write lock is not needed atm since we are */
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321 | /* fiddling with enable bit only, but we */
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322 | /* care for those who come next :-). */
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323 |
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324 | HRESULT rc = S_OK;
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325 | BaseMetricList filteredMetrics;
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326 | BaseMetricList::iterator it;
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327 | for (it = m.baseMetrics.begin(); it != m.baseMetrics.end(); ++it)
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328 | if (filter.match((*it)->getObject(), (*it)->getName()))
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329 | {
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330 | (*it)->enable();
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331 | filteredMetrics.push_back(*it);
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332 | }
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333 |
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334 | com::SafeIfaceArray<IPerformanceMetric> retMetrics (filteredMetrics.size());
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335 | int i = 0;
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336 | for (it = filteredMetrics.begin();
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337 | it != filteredMetrics.end() && SUCCEEDED (rc); ++it)
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338 | rc = toIPerformanceMetric(*it, &retMetrics [i++]);
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339 | retMetrics.detachTo (ComSafeArrayOutArg(outMetrics));
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340 |
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341 | LogFlowThisFuncLeave();
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342 | return rc;
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343 | }
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344 |
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345 | STDMETHODIMP
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346 | PerformanceCollector::DisableMetrics (ComSafeArrayIn (IN_BSTR, metricNames),
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347 | ComSafeArrayIn (IUnknown *, objects),
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348 | ComSafeArrayOut (IPerformanceMetric *,
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349 | outMetrics))
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350 | {
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351 | AutoCaller autoCaller (this);
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352 | CheckComRCReturnRC (autoCaller.rc());
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353 |
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354 | pm::Filter filter (ComSafeArrayInArg (metricNames),
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355 | ComSafeArrayInArg (objects));
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356 |
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357 | AutoWriteLock alock (this); /* Write lock is not needed atm since we are */
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358 | /* fiddling with enable bit only, but we */
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359 | /* care for those who come next :-). */
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360 |
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361 | HRESULT rc = S_OK;
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362 | BaseMetricList filteredMetrics;
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363 | BaseMetricList::iterator it;
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364 | for (it = m.baseMetrics.begin(); it != m.baseMetrics.end(); ++it)
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365 | if (filter.match((*it)->getObject(), (*it)->getName()))
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366 | {
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367 | (*it)->disable();
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368 | filteredMetrics.push_back(*it);
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369 | }
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370 |
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371 | com::SafeIfaceArray<IPerformanceMetric> retMetrics (filteredMetrics.size());
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372 | int i = 0;
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373 | for (it = filteredMetrics.begin();
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374 | it != filteredMetrics.end() && SUCCEEDED (rc); ++it)
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375 | rc = toIPerformanceMetric(*it, &retMetrics [i++]);
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376 | retMetrics.detachTo (ComSafeArrayOutArg(outMetrics));
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377 |
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378 | LogFlowThisFuncLeave();
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379 | return rc;
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380 | }
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381 |
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382 | STDMETHODIMP
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383 | PerformanceCollector::QueryMetricsData (ComSafeArrayIn (IN_BSTR, metricNames),
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384 | ComSafeArrayIn (IUnknown *, objects),
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385 | ComSafeArrayOut (BSTR, outMetricNames),
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386 | ComSafeArrayOut (IUnknown *, outObjects),
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387 | ComSafeArrayOut (BSTR, outUnits),
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388 | ComSafeArrayOut (ULONG, outScales),
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389 | ComSafeArrayOut (ULONG, outSequenceNumbers),
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390 | ComSafeArrayOut (ULONG, outDataIndices),
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391 | ComSafeArrayOut (ULONG, outDataLengths),
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392 | ComSafeArrayOut (LONG, outData))
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393 | {
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394 | AutoCaller autoCaller (this);
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395 | CheckComRCReturnRC (autoCaller.rc());
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396 |
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397 | pm::Filter filter (ComSafeArrayInArg (metricNames),
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398 | ComSafeArrayInArg (objects));
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399 |
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400 | AutoReadLock alock (this);
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401 |
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402 | /* Let's compute the size of the resulting flat array */
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403 | size_t flatSize = 0;
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404 | MetricList filteredMetrics;
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405 | MetricList::iterator it;
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406 | for (it = m.metrics.begin(); it != m.metrics.end(); ++it)
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407 | if (filter.match ((*it)->getObject(), (*it)->getName()))
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408 | {
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409 | filteredMetrics.push_back (*it);
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410 | flatSize += (*it)->getLength();
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411 | }
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412 |
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413 | int i = 0;
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414 | size_t flatIndex = 0;
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415 | size_t numberOfMetrics = filteredMetrics.size();
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416 | com::SafeArray <BSTR> retNames (numberOfMetrics);
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417 | com::SafeIfaceArray <IUnknown> retObjects (numberOfMetrics);
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418 | com::SafeArray <BSTR> retUnits (numberOfMetrics);
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419 | com::SafeArray <ULONG> retScales (numberOfMetrics);
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420 | com::SafeArray <ULONG> retSequenceNumbers (numberOfMetrics);
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421 | com::SafeArray <ULONG> retIndices (numberOfMetrics);
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422 | com::SafeArray <ULONG> retLengths (numberOfMetrics);
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423 | com::SafeArray <LONG> retData (flatSize);
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424 |
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425 | for (it = filteredMetrics.begin(); it != filteredMetrics.end(); ++it, ++i)
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426 | {
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427 | ULONG *values, length, sequenceNumber;
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428 | /* @todo We may want to revise the query method to get rid of excessive alloc/memcpy calls. */
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429 | (*it)->query(&values, &length, &sequenceNumber);
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430 | LogFlow (("PerformanceCollector::QueryMetricsData() querying metric %s "
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431 | "returned %d values.\n", (*it)->getName(), length));
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432 | memcpy(retData.raw() + flatIndex, values, length * sizeof(*values));
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433 | Bstr tmp((*it)->getName());
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434 | tmp.detachTo(&retNames[i]);
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435 | (*it)->getObject().queryInterfaceTo (&retObjects[i]);
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436 | tmp = (*it)->getUnit();
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437 | tmp.detachTo(&retUnits[i]);
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438 | retScales[i] = (*it)->getScale();
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439 | retSequenceNumbers[i] = sequenceNumber;
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440 | retLengths[i] = length;
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441 | retIndices[i] = (ULONG)flatIndex;
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442 | flatIndex += length;
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443 | }
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444 |
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445 | retNames.detachTo (ComSafeArrayOutArg (outMetricNames));
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446 | retObjects.detachTo (ComSafeArrayOutArg (outObjects));
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447 | retUnits.detachTo (ComSafeArrayOutArg (outUnits));
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448 | retScales.detachTo (ComSafeArrayOutArg (outScales));
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449 | retSequenceNumbers.detachTo (ComSafeArrayOutArg (outSequenceNumbers));
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450 | retIndices.detachTo (ComSafeArrayOutArg (outDataIndices));
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451 | retLengths.detachTo (ComSafeArrayOutArg (outDataLengths));
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452 | retData.detachTo (ComSafeArrayOutArg (outData));
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453 | return S_OK;
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454 | }
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455 |
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456 | // public methods for internal purposes
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457 | ///////////////////////////////////////////////////////////////////////////////
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458 |
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459 | void PerformanceCollector::registerBaseMetric (pm::BaseMetric *baseMetric)
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460 | {
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461 | //LogFlowThisFuncEnter();
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462 | AutoCaller autoCaller (this);
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463 | if (!SUCCEEDED (autoCaller.rc())) return;
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464 |
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465 | AutoWriteLock alock (this);
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466 | LogAleksey(("{%p} " LOG_FN_FMT ": obj=%p name=%s\n", this, __PRETTY_FUNCTION__, (void *)baseMetric->getObject(), baseMetric->getName()));
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467 | m.baseMetrics.push_back (baseMetric);
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468 | //LogFlowThisFuncLeave();
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469 | }
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470 |
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471 | void PerformanceCollector::registerMetric (pm::Metric *metric)
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472 | {
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473 | //LogFlowThisFuncEnter();
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474 | AutoCaller autoCaller (this);
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475 | if (!SUCCEEDED (autoCaller.rc())) return;
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476 |
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477 | AutoWriteLock alock (this);
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478 | LogAleksey(("{%p} " LOG_FN_FMT ": obj=%p name=%s\n", this, __PRETTY_FUNCTION__, (void *)metric->getObject(), metric->getName()));
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479 | m.metrics.push_back (metric);
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480 | //LogFlowThisFuncLeave();
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481 | }
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482 |
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483 | void PerformanceCollector::unregisterBaseMetricsFor (const ComPtr <IUnknown> &aObject)
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484 | {
|
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485 | //LogFlowThisFuncEnter();
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486 | AutoCaller autoCaller (this);
|
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487 | if (!SUCCEEDED (autoCaller.rc())) return;
|
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488 |
|
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489 | AutoWriteLock alock (this);
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490 | LogAleksey(("{%p} " LOG_FN_FMT ": before remove_if: m.baseMetrics.size()=%d\n", this, __PRETTY_FUNCTION__, m.baseMetrics.size()));
|
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491 | BaseMetricList::iterator it;
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492 | for (it = m.baseMetrics.begin(); it != m.baseMetrics.end();)
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493 | if ((*it)->associatedWith(aObject))
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494 | {
|
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495 | delete *it;
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496 | m.baseMetrics.erase(it++);
|
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497 | }
|
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498 | else
|
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499 | ++it;
|
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500 | LogAleksey(("{%p} " LOG_FN_FMT ": after remove_if: m.baseMetrics.size()=%d\n", this, __PRETTY_FUNCTION__, m.baseMetrics.size()));
|
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501 | //LogFlowThisFuncLeave();
|
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502 | }
|
---|
503 |
|
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504 | void PerformanceCollector::unregisterMetricsFor (const ComPtr <IUnknown> &aObject)
|
---|
505 | {
|
---|
506 | //LogFlowThisFuncEnter();
|
---|
507 | AutoCaller autoCaller (this);
|
---|
508 | if (!SUCCEEDED (autoCaller.rc())) return;
|
---|
509 |
|
---|
510 | AutoWriteLock alock (this);
|
---|
511 | LogAleksey(("{%p} " LOG_FN_FMT ": obj=%p\n", this, __PRETTY_FUNCTION__, (void *)aObject));
|
---|
512 | MetricList::iterator it;
|
---|
513 | for (it = m.metrics.begin(); it != m.metrics.end();)
|
---|
514 | if ((*it)->associatedWith(aObject))
|
---|
515 | {
|
---|
516 | delete *it;
|
---|
517 | m.metrics.erase(it++);
|
---|
518 | }
|
---|
519 | else
|
---|
520 | ++it;
|
---|
521 | //LogFlowThisFuncLeave();
|
---|
522 | }
|
---|
523 |
|
---|
524 | // private methods
|
---|
525 | ///////////////////////////////////////////////////////////////////////////////
|
---|
526 |
|
---|
527 | /* static */
|
---|
528 | void PerformanceCollector::staticSamplerCallback (RTTIMERLR hTimerLR, void *pvUser,
|
---|
529 | uint64_t /* iTick */)
|
---|
530 | {
|
---|
531 | AssertReturnVoid (pvUser != NULL);
|
---|
532 | PerformanceCollector *collector = static_cast <PerformanceCollector *> (pvUser);
|
---|
533 | Assert (collector->mMagic == MAGIC);
|
---|
534 | if (collector->mMagic == MAGIC)
|
---|
535 | {
|
---|
536 | collector->samplerCallback();
|
---|
537 | }
|
---|
538 | NOREF (hTimerLR);
|
---|
539 | }
|
---|
540 |
|
---|
541 | void PerformanceCollector::samplerCallback()
|
---|
542 | {
|
---|
543 | Log4(("{%p} " LOG_FN_FMT ": ENTER\n", this, __PRETTY_FUNCTION__));
|
---|
544 | AutoWriteLock alock (this);
|
---|
545 |
|
---|
546 | pm::CollectorHints hints;
|
---|
547 | uint64_t timestamp = RTTimeMilliTS();
|
---|
548 | BaseMetricList toBeCollected;
|
---|
549 | BaseMetricList::iterator it;
|
---|
550 | /* Compose the list of metrics being collected at this moment */
|
---|
551 | for (it = m.baseMetrics.begin(); it != m.baseMetrics.end(); it++)
|
---|
552 | if ((*it)->collectorBeat(timestamp))
|
---|
553 | {
|
---|
554 | (*it)->preCollect(hints);
|
---|
555 | toBeCollected.push_back(*it);
|
---|
556 | }
|
---|
557 |
|
---|
558 | if (toBeCollected.size() == 0)
|
---|
559 | return;
|
---|
560 |
|
---|
561 | /* Let know the platform specific code what is being collected */
|
---|
562 | m.hal->preCollect(hints);
|
---|
563 |
|
---|
564 | /* Finally, collect the data */
|
---|
565 | std::for_each (toBeCollected.begin(), toBeCollected.end(),
|
---|
566 | std::mem_fun (&pm::BaseMetric::collect));
|
---|
567 | Log4(("{%p} " LOG_FN_FMT ": LEAVE\n", this, __PRETTY_FUNCTION__));
|
---|
568 | }
|
---|
569 |
|
---|
570 | ////////////////////////////////////////////////////////////////////////////////
|
---|
571 | // PerformanceMetric class
|
---|
572 | ////////////////////////////////////////////////////////////////////////////////
|
---|
573 |
|
---|
574 | // constructor / destructor
|
---|
575 | ////////////////////////////////////////////////////////////////////////////////
|
---|
576 |
|
---|
577 | PerformanceMetric::PerformanceMetric()
|
---|
578 | {
|
---|
579 | }
|
---|
580 |
|
---|
581 | PerformanceMetric::~PerformanceMetric()
|
---|
582 | {
|
---|
583 | }
|
---|
584 |
|
---|
585 | HRESULT PerformanceMetric::FinalConstruct()
|
---|
586 | {
|
---|
587 | LogFlowThisFunc (("\n"));
|
---|
588 |
|
---|
589 | return S_OK;
|
---|
590 | }
|
---|
591 |
|
---|
592 | void PerformanceMetric::FinalRelease()
|
---|
593 | {
|
---|
594 | LogFlowThisFunc (("\n"));
|
---|
595 |
|
---|
596 | uninit ();
|
---|
597 | }
|
---|
598 |
|
---|
599 | // public initializer/uninitializer for internal purposes only
|
---|
600 | ////////////////////////////////////////////////////////////////////////////////
|
---|
601 |
|
---|
602 | HRESULT PerformanceMetric::init (pm::Metric *aMetric)
|
---|
603 | {
|
---|
604 | m.name = aMetric->getName();
|
---|
605 | m.object = aMetric->getObject();
|
---|
606 | m.description = aMetric->getDescription();
|
---|
607 | m.period = aMetric->getPeriod();
|
---|
608 | m.count = aMetric->getLength();
|
---|
609 | m.unit = aMetric->getUnit();
|
---|
610 | m.min = aMetric->getMinValue();
|
---|
611 | m.max = aMetric->getMaxValue();
|
---|
612 | return S_OK;
|
---|
613 | }
|
---|
614 |
|
---|
615 | HRESULT PerformanceMetric::init (pm::BaseMetric *aMetric)
|
---|
616 | {
|
---|
617 | m.name = aMetric->getName();
|
---|
618 | m.object = aMetric->getObject();
|
---|
619 | m.description = "";
|
---|
620 | m.period = aMetric->getPeriod();
|
---|
621 | m.count = aMetric->getLength();
|
---|
622 | m.unit = aMetric->getUnit();
|
---|
623 | m.min = aMetric->getMinValue();
|
---|
624 | m.max = aMetric->getMaxValue();
|
---|
625 | return S_OK;
|
---|
626 | }
|
---|
627 |
|
---|
628 | void PerformanceMetric::uninit()
|
---|
629 | {
|
---|
630 | }
|
---|
631 |
|
---|
632 | STDMETHODIMP PerformanceMetric::COMGETTER(MetricName) (BSTR *aMetricName)
|
---|
633 | {
|
---|
634 | /// @todo (r=dmik) why do all these getters not do AutoCaller and
|
---|
635 | /// AutoReadLock? Is the underlying metric a constant object?
|
---|
636 |
|
---|
637 | m.name.cloneTo (aMetricName);
|
---|
638 | return S_OK;
|
---|
639 | }
|
---|
640 |
|
---|
641 | STDMETHODIMP PerformanceMetric::COMGETTER(Object) (IUnknown **anObject)
|
---|
642 | {
|
---|
643 | m.object.queryInterfaceTo(anObject);
|
---|
644 | return S_OK;
|
---|
645 | }
|
---|
646 |
|
---|
647 | STDMETHODIMP PerformanceMetric::COMGETTER(Description) (BSTR *aDescription)
|
---|
648 | {
|
---|
649 | m.description.cloneTo (aDescription);
|
---|
650 | return S_OK;
|
---|
651 | }
|
---|
652 |
|
---|
653 | STDMETHODIMP PerformanceMetric::COMGETTER(Period) (ULONG *aPeriod)
|
---|
654 | {
|
---|
655 | *aPeriod = m.period;
|
---|
656 | return S_OK;
|
---|
657 | }
|
---|
658 |
|
---|
659 | STDMETHODIMP PerformanceMetric::COMGETTER(Count) (ULONG *aCount)
|
---|
660 | {
|
---|
661 | *aCount = m.count;
|
---|
662 | return S_OK;
|
---|
663 | }
|
---|
664 |
|
---|
665 | STDMETHODIMP PerformanceMetric::COMGETTER(Unit) (BSTR *aUnit)
|
---|
666 | {
|
---|
667 | m.unit.cloneTo(aUnit);
|
---|
668 | return S_OK;
|
---|
669 | }
|
---|
670 |
|
---|
671 | STDMETHODIMP PerformanceMetric::COMGETTER(MinimumValue) (LONG *aMinValue)
|
---|
672 | {
|
---|
673 | *aMinValue = m.min;
|
---|
674 | return S_OK;
|
---|
675 | }
|
---|
676 |
|
---|
677 | STDMETHODIMP PerformanceMetric::COMGETTER(MaximumValue) (LONG *aMaxValue)
|
---|
678 | {
|
---|
679 | *aMaxValue = m.max;
|
---|
680 | return S_OK;
|
---|
681 | }
|
---|
682 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
|
---|