| 1 | /* $Id: tstVBoxAPIPerf.cpp 49943 2013-12-16 20:19:58Z 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) 2006-2013 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(int argc, char **argv)
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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<IVirtualBox> ptrVBox;
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| 214 | hrc = TST_COM_EXPR(ptrVBox.createLocalObject(CLSID_VirtualBox));
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| 215 | if (SUCCEEDED(hrc))
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| 216 | {
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| 217 | ComPtr<ISession> ptrSession;
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| 218 | hrc = TST_COM_EXPR(ptrSession.createInprocObject(CLSID_Session));
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| 219 | if (SUCCEEDED(hrc))
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| 220 | {
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| 221 | RTTestSubDone(g_hTest);
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| 222 |
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| 223 | /*
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| 224 | * Call test functions.
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| 225 | */
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| 226 | tstApiPrf1(ptrVBox);
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| 227 | tstApiPrf2(ptrVBox);
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| 228 | tstApiPrf3(ptrVBox);
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| 229 |
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| 230 | /** @todo Find something that returns a 2nd instance of an interface and see
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| 231 | * how if wrapper stuff is reused in any way. */
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| 232 | tstApiPrf4(ptrVBox);
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| 233 | }
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| 234 | }
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| 235 |
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| 236 | ptrVBox.setNull();
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| 237 | com::Shutdown();
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| 238 | }
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| 239 | else
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| 240 | RTTestIFailed("com::Initialize failed with hrc=%Rhrc", hrc);
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| 241 | return RTTestSummaryAndDestroy(g_hTest);
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| 242 | }
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| 243 |
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