1 | /* $Id: tstVBoxAPIPerf.cpp 63258 2016-08-10 12:23:00Z vboxsync $ */
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2 | /** @file
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3 | * tstVBoxAPIPerf - Checks the performance of the COM / XPOM API.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2016 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 |
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19 | /*********************************************************************************************************************************
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20 | * Header Files *
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21 | *********************************************************************************************************************************/
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22 | #include <VBox/com/com.h>
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23 | #include <VBox/com/string.h>
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24 | #include <VBox/com/array.h>
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25 | #include <VBox/com/Guid.h>
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26 | #include <VBox/com/ErrorInfo.h>
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27 | #include <VBox/com/VirtualBox.h>
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28 | #include <VBox/sup.h>
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29 |
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30 | #include <iprt/test.h>
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31 | #include <iprt/time.h>
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32 |
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33 |
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34 |
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35 | /*********************************************************************************************************************************
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36 | * Global Variables *
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37 | *********************************************************************************************************************************/
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38 | static RTTEST g_hTest;
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39 |
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40 |
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41 | /** Worker fro TST_COM_EXPR(). */
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42 | static HRESULT tstComExpr(HRESULT hrc, const char *pszOperation, int iLine)
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43 | {
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44 | if (FAILED(hrc))
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45 | RTTestFailed(g_hTest, "%s failed on line %u with hrc=%Rhrc", pszOperation, iLine, hrc);
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46 | return hrc;
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47 | }
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48 |
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49 | /** Macro that executes the given expression and report any failure.
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50 | * The expression must return a HRESULT. */
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51 | #define TST_COM_EXPR(expr) tstComExpr(expr, #expr, __LINE__)
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52 |
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53 |
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54 |
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55 | static void tstApiPrf1(IVirtualBox *pVBox)
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56 | {
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57 | RTTestSub(g_hTest, "IVirtualBox::Revision performance");
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58 |
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59 | uint32_t const cCalls = 65536;
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60 | uint32_t cLeft = cCalls;
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61 | uint64_t uStartTS = RTTimeNanoTS();
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62 | while (cLeft-- > 0)
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63 | {
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64 | ULONG uRev;
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65 | HRESULT hrc = pVBox->COMGETTER(Revision)(&uRev);
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66 | if (FAILED(hrc))
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67 | {
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68 | tstComExpr(hrc, "IVirtualBox::Revision", __LINE__);
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69 | return;
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70 | }
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71 | }
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72 | uint64_t uElapsed = RTTimeNanoTS() - uStartTS;
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73 | RTTestValue(g_hTest, "IVirtualBox::Revision average", uElapsed / cCalls, RTTESTUNIT_NS_PER_CALL);
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74 | RTTestSubDone(g_hTest);
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75 | }
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76 |
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77 |
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78 | static void tstApiPrf2(IVirtualBox *pVBox)
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79 | {
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80 | RTTestSub(g_hTest, "IVirtualBox::Version performance");
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81 |
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82 | uint32_t const cCalls = 65536;
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83 | uint32_t cLeft = cCalls;
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84 | uint64_t uStartTS = RTTimeNanoTS();
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85 | while (cLeft-- > 0)
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86 | {
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87 | com::Bstr bstrVersion;
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88 | HRESULT hrc = pVBox->COMGETTER(Version)(bstrVersion.asOutParam());
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89 | if (FAILED(hrc))
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90 | {
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91 | tstComExpr(hrc, "IVirtualBox::Version", __LINE__);
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92 | return;
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93 | }
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94 | }
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95 | uint64_t uElapsed = RTTimeNanoTS() - uStartTS;
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96 | RTTestValue(g_hTest, "IVirtualBox::Version average", uElapsed / cCalls, RTTESTUNIT_NS_PER_CALL);
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97 | RTTestSubDone(g_hTest);
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98 | }
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99 |
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100 |
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101 | static void tstApiPrf3(IVirtualBox *pVBox)
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102 | {
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103 | RTTestSub(g_hTest, "IVirtualBox::Host performance");
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104 |
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105 | /* The first call. */
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106 | uint64_t uStartTS = RTTimeNanoTS();
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107 | IHost *pHost = NULL;
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108 | HRESULT hrc = pVBox->COMGETTER(Host)(&pHost);
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109 | if (FAILED(hrc))
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110 | {
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111 | tstComExpr(hrc, "IVirtualBox::Host", __LINE__);
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112 | return;
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113 | }
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114 | pHost->Release();
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115 | uint64_t uElapsed = RTTimeNanoTS() - uStartTS;
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116 | RTTestValue(g_hTest, "IVirtualBox::Host first", uElapsed, RTTESTUNIT_NS);
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117 |
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118 | /* Subsequent calls. */
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119 | uint32_t const cCalls1 = 4096;
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120 | uint32_t cLeft = cCalls1;
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121 | uStartTS = RTTimeNanoTS();
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122 | while (cLeft-- > 0)
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123 | {
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124 | IHost *pHost2 = NULL;
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125 | hrc = pVBox->COMGETTER(Host)(&pHost2);
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126 | if (FAILED(hrc))
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127 | {
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128 | tstComExpr(hrc, "IVirtualBox::Host", __LINE__);
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129 | return;
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130 | }
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131 | pHost2->Release();
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132 | }
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133 | uElapsed = RTTimeNanoTS() - uStartTS;
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134 | RTTestValue(g_hTest, "IVirtualBox::Host average", uElapsed / cCalls1, RTTESTUNIT_NS_PER_CALL);
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135 |
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136 | /* Keep a reference around and see how that changes things.
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137 | Note! VBoxSVC is not creating and destroying Host(). */
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138 | pHost = NULL;
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139 | hrc = pVBox->COMGETTER(Host)(&pHost);
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140 |
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141 | uint32_t const cCalls2 = 16384;
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142 | cLeft = cCalls2;
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143 | uStartTS = RTTimeNanoTS();
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144 | while (cLeft-- > 0)
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145 | {
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146 | IHost *pHost2 = NULL;
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147 | hrc = pVBox->COMGETTER(Host)(&pHost2);
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148 | if (FAILED(hrc))
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149 | {
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150 | tstComExpr(hrc, "IVirtualBox::Host", __LINE__);
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151 | pHost->Release();
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152 | return;
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153 | }
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154 | pHost2->Release();
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155 | }
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156 | uElapsed = RTTimeNanoTS() - uStartTS;
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157 | RTTestValue(g_hTest, "IVirtualBox::Host 2nd ref", uElapsed / cCalls2, RTTESTUNIT_NS_PER_CALL);
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158 | pHost->Release();
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159 |
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160 | RTTestSubDone(g_hTest);
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161 | }
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162 |
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163 |
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164 | static void tstApiPrf4(IVirtualBox *pVBox)
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165 | {
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166 | RTTestSub(g_hTest, "IHost::GetProcessorFeature performance");
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167 |
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168 | IHost *pHost = NULL;
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169 | HRESULT hrc = pVBox->COMGETTER(Host)(&pHost);
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170 | if (FAILED(hrc))
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171 | {
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172 | tstComExpr(hrc, "IVirtualBox::Host", __LINE__);
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173 | return;
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174 | }
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175 |
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176 | uint32_t const cCalls = 65536;
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177 | uint32_t cLeft = cCalls;
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178 | uint64_t uStartTS = RTTimeNanoTS();
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179 | while (cLeft-- > 0)
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180 | {
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181 | BOOL fSupported;
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182 | hrc = pHost->GetProcessorFeature(ProcessorFeature_PAE, &fSupported);
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183 | if (FAILED(hrc))
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184 | {
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185 | tstComExpr(hrc, "IHost::GetProcessorFeature", __LINE__);
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186 | pHost->Release();
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187 | return;
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188 | }
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189 | }
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190 | uint64_t uElapsed = RTTimeNanoTS() - uStartTS;
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191 | RTTestValue(g_hTest, "IHost::GetProcessorFeature average", uElapsed / cCalls, RTTESTUNIT_NS_PER_CALL);
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192 | pHost->Release();
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193 | RTTestSubDone(g_hTest);
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194 | }
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195 |
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196 |
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197 |
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198 | int main()
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199 | {
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200 | /*
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201 | * Initialization.
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202 | */
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203 | RTEXITCODE rcExit = RTTestInitAndCreate("tstVBoxAPIPerf", &g_hTest);
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204 | if (rcExit != RTEXITCODE_SUCCESS)
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205 | return rcExit;
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206 | SUPR3Init(NULL); /* Better time support. */
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207 | RTTestBanner(g_hTest);
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208 |
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209 | RTTestSub(g_hTest, "Initializing COM and singletons");
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210 | HRESULT hrc = com::Initialize();
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211 | if (SUCCEEDED(hrc))
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212 | {
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213 | ComPtr<IVirtualBoxClient> ptrVBoxClient;
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214 | ComPtr<IVirtualBox> ptrVBox;
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215 | hrc = TST_COM_EXPR(ptrVBoxClient.createInprocObject(CLSID_VirtualBoxClient));
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216 | if (SUCCEEDED(hrc))
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217 | hrc = TST_COM_EXPR(ptrVBoxClient->COMGETTER(VirtualBox)(ptrVBox.asOutParam()));
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218 | if (SUCCEEDED(hrc))
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219 | {
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220 | ComPtr<ISession> ptrSession;
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221 | hrc = TST_COM_EXPR(ptrSession.createInprocObject(CLSID_Session));
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222 | if (SUCCEEDED(hrc))
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223 | {
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224 | RTTestSubDone(g_hTest);
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225 |
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226 | /*
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227 | * Call test functions.
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228 | */
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229 | tstApiPrf1(ptrVBox);
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230 | tstApiPrf2(ptrVBox);
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231 | tstApiPrf3(ptrVBox);
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232 |
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233 | /** @todo Find something that returns a 2nd instance of an interface and see
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234 | * how if wrapper stuff is reused in any way. */
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235 | tstApiPrf4(ptrVBox);
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236 | }
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237 | }
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238 |
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239 | ptrVBox.setNull();
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240 | ptrVBoxClient.setNull();
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241 | com::Shutdown();
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242 | }
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243 | else
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244 | RTTestIFailed("com::Initialize failed with hrc=%Rhrc", hrc);
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245 | return RTTestSummaryAndDestroy(g_hTest);
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246 | }
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247 |
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