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1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32test/mmu/t_shbuf_perf.cpp |
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15 // |
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16 // |
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17 |
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18 /** |
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19 * @file |
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20 * |
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21 * Performance Testing of shared buffers. |
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22 * |
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23 * Runs a number of tests using descriptors and RShBuf handles and compares |
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24 * the results to see the improvements in performance. |
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25 */ |
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26 |
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27 |
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28 #define __E32TEST_EXTENSION__ |
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29 |
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30 #include <e32def.h> |
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31 #include <e32test.h> |
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32 #include <e32debug.h> |
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33 #include <e32msgqueue.h> |
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34 #include <e32shbuf.h> |
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35 #include <hal.h> |
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36 #include <u32hal.h> |
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37 #include <e32svr.h> |
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38 |
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39 #include "d_shbuf.h" |
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40 #include "t_shbuf_perfclient.h" |
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41 |
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42 |
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43 // |
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44 // Test name (and process name!)... |
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45 // |
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46 _LIT(KTestProcessName, "T_SHBUF_PERF"); |
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47 |
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48 |
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49 /** |
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50 * Global test object (must be called 'test' to match some macros)... |
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51 */ |
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52 RTest test(KTestProcessName); |
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53 |
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54 // |
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55 // Number of iterations to run for each test. The timings are worked out by |
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56 // running the test X number of times and dividing the total time by X. |
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57 // |
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58 #ifdef _DEBUG |
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59 /** |
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60 * Number of iterations to run for each test (WINS/WINSCW/Target Debug). |
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61 */ |
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62 const TInt KNumberOfIterations(50); // Used for debuging and hence not measurement. |
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63 #else |
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64 #ifdef __WINS__ |
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65 /** |
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66 * Number of iterations to run for each test (WINS/WINSCW Release). |
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67 */ |
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68 const TInt KNumberOfIterations(5000); // Proper emulator performance testing. |
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69 #else |
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70 /** |
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71 * Number of iterations to run for each test (Target Release). |
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72 */ |
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73 const TInt KNumberOfIterations(500); // Proper target performance testing. |
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74 #endif |
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75 #endif |
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76 |
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77 |
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78 TUint8 iClearCache[32768]; |
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79 |
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80 |
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81 /** |
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82 * RShBuf performance test types. |
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83 */ |
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84 enum TRShBufPerfTest |
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85 { |
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86 /** |
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87 * Send buffer from the client to the driver directly and back. |
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88 */ |
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89 ERShBufPerfTestClientToDriverReturn, |
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90 |
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91 /** |
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92 * Send buffer from the client to the driver directly one way. |
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93 */ |
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94 ERShBufPerfTestClientToDriverOneWay, |
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95 |
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96 /** |
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97 * Send buffer from the client to a second process to the driver and back. |
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98 */ |
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99 ERShBufPerfTestClientToProcessToDriverReturn, |
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100 |
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101 /** |
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102 * Send buffer from the client to a second process to the driver one way. |
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103 */ |
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104 ERShBufPerfTestClientToProcessToDriverOneWay, |
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105 |
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106 /** |
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107 * Read buffer from the driver directly and send it back. |
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108 */ |
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109 ERShBufPerfTestDriverToClientReturn, |
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110 |
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111 /** |
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112 * Read buffer from the driver directly one way. |
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113 */ |
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114 ERShBufPerfTestDriverToClientOneWay, |
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115 |
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116 /** |
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117 * Read buffer from the driver via a second process and send it back. |
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118 */ |
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119 ERShBufPerfTestDriverToProcessToClientReturn, |
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120 |
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121 /** |
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122 * Read buffer from the driver via a second process one way. |
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123 */ |
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124 ERShBufPerfTestDriverToProcessToClientOneWay |
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125 }; |
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126 |
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127 |
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128 void StartSecondProcessAndDriver(TRShBufPerfTest aTestType, |
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129 RShBufTestChannel& aLdd, |
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130 RShBufTestServerSession& aTestServer, |
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131 RThread& aTestServerThread, |
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132 TInt aDriverNum) |
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133 { |
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134 // |
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135 // If a second process is needed start this process as a child... |
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136 // |
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137 if (aTestType == ERShBufPerfTestClientToProcessToDriverReturn || |
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138 aTestType == ERShBufPerfTestClientToProcessToDriverOneWay || |
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139 aTestType == ERShBufPerfTestDriverToProcessToClientReturn || |
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140 aTestType == ERShBufPerfTestDriverToProcessToClientOneWay) |
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141 { |
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142 test.Next(_L("Start slave server process...")); |
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143 test_KErrNone(aTestServer.Connect()); |
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144 test.Next(_L("Find slave server thread...")); |
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145 test_KErrNone(aTestServerThread.Open(_L("t_shbuf_perf.exe[00000000]0001::!RShBufServer"))); |
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146 } |
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147 |
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148 // |
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149 // Open the driver (always open it as it is used to get buffers too!)... |
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150 // |
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151 TInt r = User::LoadLogicalDevice(_L("D_SHBUF_CLIENT.LDD")); |
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152 test(r == KErrNone || r == KErrAlreadyExists); |
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153 r = User::LoadLogicalDevice(_L("D_SHBUF_OWN.LDD")); |
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154 test(r == KErrNone || r == KErrAlreadyExists); |
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155 test_KErrNone(aLdd.Open(aDriverNum)); |
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156 } // StartSecondProcessAndDriver |
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157 |
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158 |
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159 void StopSecondProcessAndDriver(TRShBufPerfTest aTestType, |
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160 RShBufTestChannel& aLdd, |
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161 RShBufTestServerSession& aTestServer, |
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162 RThread& aTestServerThread) |
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163 { |
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164 // |
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165 // Close the driver.. |
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166 // |
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167 aLdd.Close(); |
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168 |
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169 if (aTestType == ERShBufPerfTestClientToProcessToDriverReturn || |
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170 aTestType == ERShBufPerfTestClientToProcessToDriverOneWay || |
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171 aTestType == ERShBufPerfTestDriverToProcessToClientReturn || |
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172 aTestType == ERShBufPerfTestDriverToProcessToClientOneWay) |
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173 { |
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174 #ifdef CAN_TRANSFER_SHBUF_TO_ANOTHER_PROCESS |
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175 test.Next(_L("Stop slave server process...")); |
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176 test_KErrNone(aTestServer.ShutdownServer()); |
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177 #endif |
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178 aTestServerThread.Close(); |
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179 aTestServer.Close(); |
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180 } |
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181 } // StopSecondProcessAndDriver |
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182 |
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183 |
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184 /** |
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185 * Print the TRShBufPerfTest enum. |
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186 */ |
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187 void PrinTRShBufPerfTestType(const TDesC& aPrefix, TRShBufPerfTest aTestType) |
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188 { |
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189 switch (aTestType) |
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190 { |
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191 case ERShBufPerfTestClientToDriverReturn: |
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192 { |
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193 test.Printf(_L("%SaTestType=ERShBufPerfTestClientToDriverReturn (%d)"), &aPrefix, aTestType); |
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194 } |
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195 break; |
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196 |
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197 case ERShBufPerfTestClientToDriverOneWay: |
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198 { |
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199 test.Printf(_L("%SaTestType=ERShBufPerfTestClientToDriverOneWay (%d)"), &aPrefix, aTestType); |
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200 } |
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201 break; |
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202 |
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203 case ERShBufPerfTestClientToProcessToDriverReturn: |
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204 { |
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205 test.Printf(_L("%SaTestType=ERShBufPerfTestClientToProcessToDriverReturn (%d)"), &aPrefix, aTestType); |
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206 } |
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207 break; |
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208 |
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209 case ERShBufPerfTestClientToProcessToDriverOneWay: |
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210 { |
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211 test.Printf(_L("%SaTestType=ERShBufPerfTestClientToProcessToDriverOneWay (%d)"), &aPrefix, aTestType); |
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212 } |
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213 break; |
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214 |
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215 case ERShBufPerfTestDriverToClientReturn: |
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216 { |
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217 test.Printf(_L("%SaTestType=ERShBufPerfTestDriverToClientReturn (%d)"), &aPrefix, aTestType); |
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218 } |
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219 break; |
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220 |
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221 case ERShBufPerfTestDriverToClientOneWay: |
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222 { |
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223 test.Printf(_L("%SaTestType=ERShBufPerfTestDriverToClientOneWay (%d)"), &aPrefix, aTestType); |
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224 } |
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225 break; |
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226 |
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227 case ERShBufPerfTestDriverToProcessToClientReturn: |
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228 { |
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229 test.Printf(_L("%SaTestType=ERShBufPerfTestDriverToProcessToClientReturn (%d)"), &aPrefix, aTestType); |
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230 } |
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231 break; |
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232 |
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233 case ERShBufPerfTestDriverToProcessToClientOneWay: |
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234 { |
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235 test.Printf(_L("%SaTestType=ERShBufPerfTestDriverToProcessToClientOneWay (%d)"), &aPrefix, aTestType); |
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236 } |
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237 break; |
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238 |
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239 default: |
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240 { |
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241 test.Printf(_L("%SaTestType=<unknown> (%d)"), &aPrefix, aTestType); |
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242 } |
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243 break; |
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244 } |
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245 } // PrinTRShBufPerfTestType |
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246 |
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247 |
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248 /** |
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249 * Print the TShPoolCreateInfo object. |
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250 */ |
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251 void PrintTShPoolInfo(const TDesC& aPrefix, TShPoolInfo aShPoolInfo) |
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252 { |
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253 test.Printf(_L("%SaShPoolInfo.iBufSize=%d"), &aPrefix, aShPoolInfo.iBufSize); |
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254 test.Printf(_L("%SaShPoolInfo.iInitialBufs=%d"), &aPrefix, aShPoolInfo.iInitialBufs); |
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255 test.Printf(_L("%SaShPoolInfo.iMaxBufs=%d"), &aPrefix, aShPoolInfo.iMaxBufs); |
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256 test.Printf(_L("%SaShPoolInfo.iGrowTriggerRatio=%d"), &aPrefix, aShPoolInfo.iGrowTriggerRatio); |
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257 test.Printf(_L("%SaShPoolInfo.iGrowByRatio=%d"), &aPrefix, aShPoolInfo.iGrowByRatio); |
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258 test.Printf(_L("%SaShPoolInfo.iShrinkHysteresisRatio=%d"), &aPrefix, aShPoolInfo.iShrinkHysteresisRatio); |
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259 test.Printf(_L("%SaShPoolInfo.iAlignment=%d (0x%x)"), &aPrefix, aShPoolInfo.iAlignment, |
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260 2 << (aShPoolInfo.iAlignment - 1)); |
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261 test.Printf(_L("%SaShPoolInfo.iFlags=0x%08x"), &aPrefix, aShPoolInfo.iFlags); |
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262 } // PrintTShPoolInfo |
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263 |
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264 |
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265 void TestSharedBufferPerformanceL(TRShBufPerfTest aTestType, |
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266 TInt aMinAllocSize, TInt aMaxAllocSize, |
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267 TInt aBufferSizeSteps, TInt aTotalIterations, |
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268 TShPoolCreateFlags aFlags, TInt aDriverNum, |
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269 TDes& aSummaryBuf) |
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270 { |
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271 TShPoolInfo shPoolInfo; |
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272 |
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273 shPoolInfo.iBufSize = aMaxAllocSize; |
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274 shPoolInfo.iInitialBufs = 5; |
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275 shPoolInfo.iMaxBufs = 5; |
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276 shPoolInfo.iGrowTriggerRatio = 0; |
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277 shPoolInfo.iGrowByRatio = 0; |
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278 shPoolInfo.iShrinkHysteresisRatio = 0; |
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279 shPoolInfo.iAlignment = 9; |
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280 shPoolInfo.iFlags = aFlags; |
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281 |
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282 // |
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283 // Start test and print the parameters... |
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284 // |
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285 test.Printf(_L(" Test parameters:")); |
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286 PrinTRShBufPerfTestType(_L(" "), aTestType); |
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287 PrintTShPoolInfo(_L(" "), shPoolInfo); |
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288 test.Printf(_L(" aMinAllocSize=%d"), aMinAllocSize); |
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289 test.Printf(_L(" aMaxAllocSize=%d"), aMaxAllocSize); |
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290 test.Printf(_L(" aBufferSizeSteps=%d"), aBufferSizeSteps); |
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291 test.Printf(_L(" aTotalIterations=%d"), aTotalIterations); |
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292 test.Printf(_L(" aDriverNum=%d"), aDriverNum); |
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293 |
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294 // |
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295 // Initialise second process and/or open the driver... |
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296 // |
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297 RShBufTestServerSession testServer; |
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298 RShBufTestChannel shBufLdd; |
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299 RThread testServerThread; |
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300 |
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301 StartSecondProcessAndDriver(aTestType, shBufLdd, testServer, testServerThread, aDriverNum); |
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302 CleanupClosePushL(testServer); |
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303 |
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304 // |
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305 // Allocate a RShPool... |
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306 // |
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307 RShPool shPool; |
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308 |
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309 if (aFlags & EShPoolPageAlignedBuffer) |
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310 { |
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311 TShPoolCreateInfo shPoolCreateInfo(TShPoolCreateInfo::EPageAlignedBuffer, |
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312 shPoolInfo.iBufSize, shPoolInfo.iInitialBufs); |
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313 test_KErrNone(shPool.Create(shPoolCreateInfo, KDefaultPoolHandleFlags)); |
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314 CleanupClosePushL(shPool); |
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315 |
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316 test_KErrNone(shPool.SetBufferWindow(-1, ETrue)); |
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317 shPoolInfo.iAlignment = 12; |
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318 } |
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319 else if (aFlags & EShPoolNonPageAlignedBuffer) |
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320 { |
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321 TShPoolCreateInfo shPoolCreateInfo(TShPoolCreateInfo::ENonPageAlignedBuffer, |
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322 shPoolInfo.iBufSize, shPoolInfo.iInitialBufs, |
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323 shPoolInfo.iAlignment); |
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324 test_KErrNone(shPool.Create(shPoolCreateInfo, KDefaultPoolHandleFlags)); |
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325 CleanupClosePushL(shPool); |
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326 } |
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327 |
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328 test(shPool.Handle() != 0); |
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329 |
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330 if (aTestType == ERShBufPerfTestClientToProcessToDriverReturn || |
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331 aTestType == ERShBufPerfTestClientToProcessToDriverOneWay || |
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332 aTestType == ERShBufPerfTestDriverToProcessToClientReturn || |
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333 aTestType == ERShBufPerfTestDriverToProcessToClientOneWay) |
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334 { |
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335 test_KErrNone(testServer.OpenRShBufPool(shPool.Handle(), shPoolInfo)); |
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336 } |
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337 else |
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338 { |
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339 test_KErrNone(shBufLdd.OpenUserPool(shPool.Handle(), shPoolInfo)); |
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340 } |
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341 |
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342 // |
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343 // Run the test iterations and time the result... |
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344 // |
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345 TInt fastTimerFreq; |
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346 HAL::Get(HALData::EFastCounterFrequency, fastTimerFreq); |
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347 TReal ticksPerMicroSec = 1.0E-6 * fastTimerFreq; |
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348 |
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349 // Bind this thread to CPU 0. This is so that timer deltas don't drift from |
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350 // scheduling - else, it causes spurious failures. |
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351 if (UserSvr::HalFunction(EHalGroupKernel, EKernelHalNumLogicalCpus, 0, 0) > 1) |
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352 (void)UserSvr::HalFunction(EHalGroupKernel, EKernelHalLockThreadToCpu, (TAny *)0, 0); |
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353 |
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354 TReal64 totalLengthOfDesTest(0); |
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355 TReal64 totalLengthOfShBufTest(0); |
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356 TInt breakevenPoint = 0; |
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357 TInt bufferStep; |
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358 |
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359 test.Printf(_L("BufSize\tTotalTime(Des)\tAvTime(Des)\tTotalTime(ShBuf)\tAvTime(ShBuf)\tSpeedUp(%%)")); |
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360 #ifndef __WINS__ |
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361 test.Printf(_L("\n")); |
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362 #endif |
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363 for (bufferStep = 0; bufferStep < aBufferSizeSteps; bufferStep++) |
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364 { |
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365 // |
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366 // Run a single buffer size through these tests... |
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367 // |
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368 TInt bufferSize = aMinAllocSize + |
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369 (((aMaxAllocSize - aMinAllocSize) * bufferStep) / (aBufferSizeSteps-1)); |
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370 TUint32 startDesTest = 0; |
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371 TUint32 startShBufTest = 0; |
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372 TInt iteration; |
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373 |
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374 TUint32 lengthOfDesTest=0; |
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375 |
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376 // |
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377 // Test normal descriptor methods first... |
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378 // |
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379 |
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380 for (iteration = 0; iteration < aTotalIterations; iteration++) |
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381 { |
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382 // |
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383 // Allocate a local buffer for this test... |
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384 // |
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385 HBufC8* singleBuf = HBufC8::NewLC(bufferSize); |
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386 |
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387 startDesTest = User::FastCounter(); |
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388 test(singleBuf != NULL); |
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389 |
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390 TPtr8 singleBufPtr = singleBuf->Des(); |
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391 singleBufPtr.SetLength(bufferSize); |
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392 |
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393 // |
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394 // Are we sending or receiving? |
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395 // |
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396 if (aTestType == ERShBufPerfTestClientToDriverOneWay || |
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397 aTestType == ERShBufPerfTestClientToProcessToDriverOneWay) |
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398 { |
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399 #ifdef _DEBUG // do not cache |
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400 TUint8* bufptr = const_cast<TUint8*>(singleBuf->Ptr()); |
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401 |
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402 // We are sending... |
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403 for (TInt pos = 0; pos < bufferSize; pos++) |
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404 { |
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405 bufptr[pos] = (TUint8)(pos%32); |
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406 } |
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407 // clear cache |
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408 memset(iClearCache, 0xFF, sizeof(iClearCache)); |
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409 #endif |
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410 } |
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411 |
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412 |
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413 // |
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414 // Either send to the driver or to the other process... |
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415 // |
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416 if (aTestType == ERShBufPerfTestClientToDriverReturn) |
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417 { |
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418 test_KErrNone(shBufLdd.FromTPtr8ProcessAndReturn(singleBufPtr, bufferSize)); |
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419 test(singleBufPtr.Length() == bufferSize-2); |
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420 } |
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421 else if (aTestType == ERShBufPerfTestClientToDriverOneWay) |
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422 { |
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423 test_KErrNone(shBufLdd.FromTPtr8ProcessAndRelease(singleBufPtr)); |
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424 } |
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425 else if (aTestType == ERShBufPerfTestClientToProcessToDriverReturn) |
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426 { |
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427 test_KErrNone(testServer.FromTPtr8ProcessAndReturn(singleBufPtr, bufferSize)); |
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428 test(singleBufPtr.Length() == bufferSize-2); |
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429 } |
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430 else if (aTestType == ERShBufPerfTestClientToProcessToDriverOneWay) |
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431 { |
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432 test_KErrNone(testServer.FromTPtr8ProcessAndRelease(singleBufPtr)); |
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433 } |
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434 |
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435 lengthOfDesTest += (User::FastCounter() - startDesTest); |
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436 |
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437 CleanupStack::PopAndDestroy(singleBuf); |
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438 } |
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439 |
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440 TInt64 lengthOfShBufTest = 0; |
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441 |
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442 // |
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443 // Test ShBuf methods... |
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444 // |
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445 for (iteration = 0; iteration < aTotalIterations; iteration++) |
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446 { |
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447 RShBuf shBuf; |
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448 TInt* lengthPtr; |
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449 // |
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450 // Are we sending or receiving? |
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451 // |
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452 startShBufTest = User::FastCounter(); |
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453 if (aTestType == ERShBufPerfTestClientToDriverOneWay || |
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454 aTestType == ERShBufPerfTestClientToProcessToDriverOneWay) |
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455 { |
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456 // We are sending... |
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457 |
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458 // |
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459 // Allocate a buffer (using a pool)... |
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460 // |
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461 |
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462 test_KErrNone(shBuf.Alloc(shPool)); |
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463 TUint8* shBufPtr = shBuf.Ptr(); |
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464 |
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465 lengthPtr = (TInt*)(&shBufPtr[0]); // First 32bit word is length! |
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466 *lengthPtr = bufferSize; |
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467 #ifdef _DEBUG // do not cache |
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468 for (TInt pos = 4; pos < bufferSize; pos++) |
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469 { |
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470 shBufPtr[pos] = (TUint8)(pos%32); |
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471 } |
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472 // clear cache |
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473 memset(iClearCache, 0xFF, sizeof(iClearCache)); |
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474 #endif |
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475 } |
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476 |
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477 |
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478 // |
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479 // Either send to the driver or to the other process... |
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480 // |
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481 if (aTestType == ERShBufPerfTestClientToDriverReturn) |
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482 { |
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483 TInt retHandle; |
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484 retHandle = shBufLdd.FromRShBufProcessAndReturn(bufferSize); |
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485 test_Compare(retHandle, >, 0); |
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486 shBuf.SetReturnedHandle(retHandle); |
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487 |
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488 TInt* retPtr = (TInt*)shBuf.Ptr(); |
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489 |
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490 test(*retPtr == bufferSize-2); |
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491 |
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492 shBuf.Close(); |
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493 } |
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494 else if (aTestType == ERShBufPerfTestClientToDriverOneWay) |
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495 { |
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496 test_KErrNone(shBufLdd.FromRShBufProcessAndRelease(shBuf.Handle())); |
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497 } |
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498 else if (aTestType == ERShBufPerfTestClientToProcessToDriverReturn) |
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499 { |
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500 test_KErrNone(testServer.FromRShBufProcessAndReturn(shBuf, bufferSize)); |
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501 TInt* retPtr = (TInt*)shBuf.Ptr(); |
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502 |
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503 test(*retPtr == bufferSize-2); |
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504 |
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505 shBuf.Close(); |
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506 } |
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507 else if (aTestType == ERShBufPerfTestClientToProcessToDriverOneWay) |
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508 { |
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509 test_KErrNone(testServer.FromRShBufProcessAndRelease(shBuf)); |
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510 } |
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511 lengthOfShBufTest += (User::FastCounter() - startShBufTest); |
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512 } |
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513 |
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514 // |
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515 // Print results of this buffer size... |
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516 // |
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517 |
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518 test.Printf(_L("%d\t%10.2lfusec\t%10.2lfusec\t%.2f%%"), bufferSize, |
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519 I64REAL(lengthOfDesTest) / (TReal(aTotalIterations) * ticksPerMicroSec), |
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520 I64REAL(lengthOfShBufTest) / (TReal(aTotalIterations) * ticksPerMicroSec), |
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521 ((100.0 / I64REAL(lengthOfShBufTest)) * I64REAL(lengthOfDesTest)) - 100.0); |
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522 #ifndef __WINS__ |
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523 test.Printf(_L("\n")); |
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524 #endif |
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525 |
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526 totalLengthOfDesTest += lengthOfDesTest; |
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527 totalLengthOfShBufTest += lengthOfShBufTest; |
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528 |
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529 // |
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530 // Track the breakeven point (e.g. the buffer size at which RShBuf is |
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531 // quicker). This is normally when the number of bytes copied by the |
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532 // descriptor takes longer than the handling of the RShBuf. |
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533 // |
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534 if (lengthOfShBufTest >= lengthOfDesTest) |
|
535 { |
|
536 breakevenPoint = aMinAllocSize + |
|
537 (((aMaxAllocSize - aMinAllocSize) * (bufferStep + 1)) / (aBufferSizeSteps-1)); |
|
538 } |
|
539 } |
|
540 |
|
541 // |
|
542 // Display timing information... |
|
543 // |
|
544 test.Printf(_L("Average\t%10.2lfusec\t%10.2lfusec\t%.2f%%"), |
|
545 I64REAL(totalLengthOfDesTest) / (TReal(aTotalIterations * aBufferSizeSteps) * ticksPerMicroSec), |
|
546 I64REAL(totalLengthOfShBufTest) / (TReal(aTotalIterations * aBufferSizeSteps) * ticksPerMicroSec), |
|
547 ((100.0 / I64REAL(totalLengthOfShBufTest)) * I64REAL(totalLengthOfDesTest)) - 100.0); |
|
548 #ifndef __WINS__ |
|
549 test.Printf(_L("\n")); |
|
550 #endif |
|
551 |
|
552 // |
|
553 // Record summary info for later use... |
|
554 // |
|
555 aSummaryBuf.Zero(); |
|
556 |
|
557 if (breakevenPoint <= aMaxAllocSize) |
|
558 { |
|
559 aSummaryBuf.AppendFormat(_L("%10.2lfusec\t%10.2lfusec\t%.2f%%%%\t%d"), |
|
560 I64REAL(totalLengthOfDesTest) / TReal(aTotalIterations * aBufferSizeSteps * ticksPerMicroSec), |
|
561 I64REAL(totalLengthOfShBufTest) / TReal(aTotalIterations * aBufferSizeSteps * ticksPerMicroSec), |
|
562 ((100.0 / I64REAL(totalLengthOfShBufTest)) * I64REAL(totalLengthOfDesTest)) - 100.0, |
|
563 breakevenPoint); |
|
564 } |
|
565 else |
|
566 { |
|
567 aSummaryBuf.AppendFormat(_L("%10.2lfusec\t%10.2lfusec\t%.2f%%%%\tFailed to breakeven"), |
|
568 I64REAL(totalLengthOfDesTest) / TReal(aTotalIterations * aBufferSizeSteps * ticksPerMicroSec), |
|
569 I64REAL(totalLengthOfShBufTest) / TReal(aTotalIterations * aBufferSizeSteps * ticksPerMicroSec), |
|
570 ((100.0 / I64REAL(totalLengthOfShBufTest)) * I64REAL(totalLengthOfDesTest)) - 100.0); |
|
571 } |
|
572 |
|
573 // |
|
574 // Clean up... |
|
575 // |
|
576 TInt shPoolHandle = shPool.Handle(); |
|
577 CleanupStack::PopAndDestroy(&shPool); |
|
578 |
|
579 if (aTestType == ERShBufPerfTestClientToProcessToDriverReturn || |
|
580 aTestType == ERShBufPerfTestClientToProcessToDriverOneWay || |
|
581 aTestType == ERShBufPerfTestDriverToProcessToClientReturn || |
|
582 aTestType == ERShBufPerfTestDriverToProcessToClientOneWay) |
|
583 { |
|
584 testServer.CloseRShBufPool(shPoolHandle); |
|
585 } |
|
586 else |
|
587 { |
|
588 test_KErrNone(shBufLdd.CloseUserPool()); |
|
589 } |
|
590 |
|
591 // |
|
592 // Shutdown the second process and/or close the driver. |
|
593 // |
|
594 CleanupStack::Pop(&testServer); |
|
595 StopSecondProcessAndDriver(aTestType, shBufLdd, testServer, testServerThread); |
|
596 } // TestSharedBufferPerformanceL |
|
597 |
|
598 |
|
599 /** |
|
600 * Main test process which performs the testing. |
|
601 */ |
|
602 void RunTestsL() |
|
603 { |
|
604 // |
|
605 // Setup the test... |
|
606 // |
|
607 test.Title(); |
|
608 |
|
609 test.Start(_L("Check for Shared Buffers availability")); |
|
610 TInt r; |
|
611 RShPool pool; |
|
612 TShPoolCreateInfo inf(TShPoolCreateInfo::EPageAlignedBuffer, 100, 10); |
|
613 r = pool.Create(inf, KDefaultPoolHandleFlags); |
|
614 if (r == KErrNotSupported) |
|
615 { |
|
616 test.Printf(_L("Not supported by this memory model.\n")); |
|
617 } |
|
618 else |
|
619 { |
|
620 test_KErrNone(r); |
|
621 pool.Close(); |
|
622 |
|
623 test.Next(_L("Performance test shared buffers")); |
|
624 |
|
625 // |
|
626 // Create a summary buffer to hold the average speeds of different pools... |
|
627 // |
|
628 HBufC* summaryBuf = HBufC::NewLC(16 * 128 * 2); |
|
629 TPtr summaryBufPtr = summaryBuf->Des(); |
|
630 TBuf<128> testName, testSummary; |
|
631 |
|
632 summaryBufPtr.Append(_L("Test Type\tAverage Time(Des)\tAverage Time(ShBuf)\tAverage SpeedUp(%%)\tBreakeven Buffer Size\n")); |
|
633 |
|
634 // |
|
635 // Run tests... |
|
636 // |
|
637 testName.Copy(_L("Client->Driver (non-aligned/client-thread)")); |
|
638 test.Next(testName); |
|
639 TestSharedBufferPerformanceL( |
|
640 /* Test type */ ERShBufPerfTestClientToDriverOneWay, |
|
641 /* Min Alloc size */ 64, |
|
642 /* Max Alloc size */ 8192, |
|
643 /* Buffer size steps */ 128, |
|
644 /* Total iterations */ KNumberOfIterations, |
|
645 /* Buffer flags */ EShPoolNonPageAlignedBuffer, |
|
646 /* Driver to use */ RShBufTestChannel::EClientThread, |
|
647 /* Summary string */ testSummary); |
|
648 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
649 |
|
650 testName.Copy(_L("Client->Driver (aligned/client-thread)")); |
|
651 test.Next(testName); |
|
652 TestSharedBufferPerformanceL( |
|
653 /* Test type */ ERShBufPerfTestClientToDriverOneWay, |
|
654 /* Min Alloc size */ 64, |
|
655 /* Max Alloc size */ 8192, |
|
656 /* Buffer size steps */ 128, |
|
657 /* Total iterations */ KNumberOfIterations, |
|
658 /* Buffer flags */ EShPoolPageAlignedBuffer, |
|
659 /* Driver to use */ RShBufTestChannel::EClientThread, |
|
660 /* Summary string */ testSummary); |
|
661 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
662 |
|
663 testName.Copy(_L("Client->Driver (non-aligned/own-thread)")); |
|
664 test.Next(testName); |
|
665 TestSharedBufferPerformanceL( |
|
666 /* Test type */ ERShBufPerfTestClientToDriverOneWay, |
|
667 /* Min Alloc size */ 64, |
|
668 /* Max Alloc size */ 8192, |
|
669 /* Buffer size steps */ 128, |
|
670 /* Total iterations */ KNumberOfIterations, |
|
671 /* Buffer flags */ EShPoolNonPageAlignedBuffer, |
|
672 /* Driver to use */ RShBufTestChannel::EOwnThread, |
|
673 /* Summary string */ testSummary); |
|
674 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
675 |
|
676 testName.Copy(_L("Client->Driver (aligned/own-thread)")); |
|
677 test.Next(testName); |
|
678 TestSharedBufferPerformanceL( |
|
679 /* Test type */ ERShBufPerfTestClientToDriverOneWay, |
|
680 /* Min Alloc size */ 64, |
|
681 /* Max Alloc size */ 8192, |
|
682 /* Buffer size steps */ 128, |
|
683 /* Total iterations */ KNumberOfIterations, |
|
684 /* Buffer flags */ EShPoolPageAlignedBuffer, |
|
685 /* Driver to use */ RShBufTestChannel::EOwnThread, |
|
686 /* Summary string */ testSummary); |
|
687 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
688 |
|
689 testName.Copy(_L("Client->Driver->Client (non-aligned/client-thread)")); |
|
690 test.Next(testName); |
|
691 TestSharedBufferPerformanceL( |
|
692 /* Test type */ ERShBufPerfTestClientToDriverReturn, |
|
693 /* Min Alloc size */ 64, |
|
694 /* Max Alloc size */ 8192, |
|
695 /* Buffer size steps */ 128, |
|
696 /* Total iterations */ KNumberOfIterations, |
|
697 /* Buffer flags */ EShPoolNonPageAlignedBuffer, |
|
698 /* Driver to use */ RShBufTestChannel::EClientThread, |
|
699 /* Summary string */ testSummary); |
|
700 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
701 |
|
702 testName.Copy(_L("Client->Driver->Client (aligned/client-thread)")); |
|
703 test.Next(testName); |
|
704 TestSharedBufferPerformanceL( |
|
705 /* Test type */ ERShBufPerfTestClientToDriverReturn, |
|
706 /* Min Alloc size */ 64, |
|
707 /* Max Alloc size */ 8192, |
|
708 /* Buffer size steps */ 128, |
|
709 /* Total iterations */ KNumberOfIterations, |
|
710 /* Buffer flags */ EShPoolPageAlignedBuffer, |
|
711 /* Driver to use */ RShBufTestChannel::EClientThread, |
|
712 /* Summary string */ testSummary); |
|
713 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
714 |
|
715 testName.Copy(_L("Client->Driver->Client (non-aligned/own-thread)")); |
|
716 test.Next(testName); |
|
717 TestSharedBufferPerformanceL( |
|
718 /* Test type */ ERShBufPerfTestClientToDriverReturn, |
|
719 /* Min Alloc size */ 64, |
|
720 /* Max Alloc size */ 8192, |
|
721 /* Buffer size steps */ 128, |
|
722 /* Total iterations */ KNumberOfIterations, |
|
723 /* Buffer flags */ EShPoolNonPageAlignedBuffer, |
|
724 /* Driver to use */ RShBufTestChannel::EOwnThread, |
|
725 /* Summary string */ testSummary); |
|
726 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
727 |
|
728 testName.Copy(_L("Client->Driver->Client (aligned/own-thread)")); |
|
729 test.Next(testName); |
|
730 TestSharedBufferPerformanceL( |
|
731 /* Test type */ ERShBufPerfTestClientToDriverReturn, |
|
732 /* Min Alloc size */ 64, |
|
733 /* Max Alloc size */ 8192, |
|
734 /* Buffer size steps */ 128, |
|
735 /* Total iterations */ KNumberOfIterations, |
|
736 /* Buffer flags */ EShPoolPageAlignedBuffer, |
|
737 /* Driver to use */ RShBufTestChannel::EOwnThread, |
|
738 /* Summary string */ testSummary); |
|
739 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
740 |
|
741 testName.Copy(_L("Client->Process->Driver (non-aligned/client-thread)")); |
|
742 test.Next(testName); |
|
743 TestSharedBufferPerformanceL( |
|
744 /* Test type */ ERShBufPerfTestClientToProcessToDriverOneWay, |
|
745 /* Min Alloc size */ 64, |
|
746 /* Max Alloc size */ 8192, |
|
747 /* Buffer size steps */ 128, |
|
748 /* Total iterations */ KNumberOfIterations, |
|
749 /* Buffer flags */ EShPoolNonPageAlignedBuffer, |
|
750 /* Driver to use */ RShBufTestChannel::EClientThread, |
|
751 /* Summary string */ testSummary); |
|
752 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
753 |
|
754 testName.Copy(_L("Client->Process->Driver (aligned/client-thread)")); |
|
755 test.Next(testName); |
|
756 TestSharedBufferPerformanceL( |
|
757 /* Test type */ ERShBufPerfTestClientToProcessToDriverOneWay, |
|
758 /* Min Alloc size */ 64, |
|
759 /* Max Alloc size */ 8192, |
|
760 /* Buffer size steps */ 128, |
|
761 /* Total iterations */ KNumberOfIterations, |
|
762 /* Buffer flags */ EShPoolPageAlignedBuffer, |
|
763 /* Driver to use */ RShBufTestChannel::EClientThread, |
|
764 /* Summary string */ testSummary); |
|
765 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
766 |
|
767 testName.Copy(_L("Client->Process->Driver (non-aligned/own-thread)")); |
|
768 test.Next(testName); |
|
769 TestSharedBufferPerformanceL( |
|
770 /* Test type */ ERShBufPerfTestClientToProcessToDriverOneWay, |
|
771 /* Min Alloc size */ 64, |
|
772 /* Max Alloc size */ 8192, |
|
773 /* Buffer size steps */ 128, |
|
774 /* Total iterations */ KNumberOfIterations, |
|
775 /* Buffer flags */ EShPoolNonPageAlignedBuffer, |
|
776 /* Driver to use */ RShBufTestChannel::EOwnThread, |
|
777 /* Summary string */ testSummary); |
|
778 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
779 |
|
780 testName.Copy(_L("Client->Process->Driver (aligned/own-thread)")); |
|
781 test.Next(testName); |
|
782 TestSharedBufferPerformanceL( |
|
783 /* Test type */ ERShBufPerfTestClientToProcessToDriverOneWay, |
|
784 /* Min Alloc size */ 64, |
|
785 /* Max Alloc size */ 8192, |
|
786 /* Buffer size steps */ 128, |
|
787 /* Total iterations */ KNumberOfIterations, |
|
788 /* Buffer flags */ EShPoolPageAlignedBuffer, |
|
789 /* Driver to use */ RShBufTestChannel::EOwnThread, |
|
790 /* Summary string */ testSummary); |
|
791 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
792 |
|
793 testName.Copy(_L("Client->Process->Driver->Process->Client (non-aligned/client-thread)")); |
|
794 test.Next(testName); |
|
795 TestSharedBufferPerformanceL( |
|
796 /* Test type */ ERShBufPerfTestClientToProcessToDriverReturn, |
|
797 /* Min Alloc size */ 64, |
|
798 /* Max Alloc size */ 8192, |
|
799 /* Buffer size steps */ 128, |
|
800 /* Total iterations */ KNumberOfIterations, |
|
801 /* Buffer flags */ EShPoolNonPageAlignedBuffer, |
|
802 /* Driver to use */ RShBufTestChannel::EClientThread, |
|
803 /* Summary string */ testSummary); |
|
804 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
805 |
|
806 testName.Copy(_L("Client->Process->Driver->Process->Client (aligned/client-thread)")); |
|
807 test.Next(testName); |
|
808 TestSharedBufferPerformanceL( |
|
809 /* Test type */ ERShBufPerfTestClientToProcessToDriverReturn, |
|
810 /* Min Alloc size */ 64, |
|
811 /* Max Alloc size */ 8192, |
|
812 /* Buffer size steps */ 128, |
|
813 /* Total iterations */ KNumberOfIterations, |
|
814 /* Buffer flags */ EShPoolPageAlignedBuffer, |
|
815 /* Driver to use */ RShBufTestChannel::EClientThread, |
|
816 /* Summary string */ testSummary); |
|
817 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
818 |
|
819 testName.Copy(_L("Client->Process->Driver->Process->Client (non-aligned/own-thread)")); |
|
820 test.Next(testName); |
|
821 TestSharedBufferPerformanceL( |
|
822 /* Test type */ ERShBufPerfTestClientToProcessToDriverReturn, |
|
823 /* Min Alloc size */ 64, |
|
824 /* Max Alloc size */ 8192, |
|
825 /* Buffer size steps */ 128, |
|
826 /* Total iterations */ KNumberOfIterations, |
|
827 /* Buffer flags */ EShPoolNonPageAlignedBuffer, |
|
828 /* Driver to use */ RShBufTestChannel::EOwnThread, |
|
829 /* Summary string */ testSummary); |
|
830 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
831 |
|
832 testName.Copy(_L("Client->Process->Driver->Process->Client (aligned/own-thread)")); |
|
833 test.Next(testName); |
|
834 TestSharedBufferPerformanceL( |
|
835 /* Test type */ ERShBufPerfTestClientToProcessToDriverReturn, |
|
836 /* Min Alloc size */ 64, |
|
837 /* Max Alloc size */ 8192, |
|
838 /* Buffer size steps */ 128, |
|
839 /* Total iterations */ KNumberOfIterations, |
|
840 /* Buffer flags */ EShPoolPageAlignedBuffer, |
|
841 /* Driver to use */ RShBufTestChannel::EOwnThread, |
|
842 /* Summary string */ testSummary); |
|
843 summaryBufPtr.AppendFormat(_L("%S\t%S\n"), &testName, &testSummary); |
|
844 |
|
845 // |
|
846 // Print the summary... |
|
847 // |
|
848 TInt nextLineBreak = summaryBufPtr.Find(_L("\n")); |
|
849 |
|
850 test.Next(_L("Results summary (average values for each test)")); |
|
851 |
|
852 while (nextLineBreak != KErrNotFound) |
|
853 { |
|
854 test.Printf(summaryBufPtr.Left(nextLineBreak)); |
|
855 #ifndef __WINS__ |
|
856 test.Printf(_L("\n")); |
|
857 #endif |
|
858 |
|
859 summaryBufPtr = summaryBufPtr.Mid(nextLineBreak+1); |
|
860 nextLineBreak = summaryBufPtr.Find(_L("\n")); |
|
861 } |
|
862 CleanupStack::PopAndDestroy(summaryBuf); |
|
863 } |
|
864 test.End(); |
|
865 test.Close(); |
|
866 } // RunTestsL |
|
867 |
|
868 |
|
869 /** |
|
870 * Main entry point. |
|
871 */ |
|
872 TInt E32Main() |
|
873 { |
|
874 // |
|
875 // Allocate a clean up stack and top level TRAP... |
|
876 // |
|
877 __UHEAP_MARK; |
|
878 CTrapCleanup* cleanup = CTrapCleanup::New(); |
|
879 TInt err = KErrNoMemory; |
|
880 |
|
881 if (cleanup) |
|
882 { |
|
883 TRAP(err, RunTestsL()); |
|
884 delete cleanup; |
|
885 } |
|
886 |
|
887 __UHEAP_MARKEND; |
|
888 return err; |
|
889 } // E32Main |
|
890 |