1 /* |
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2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include "SearchServerConfiguration.h" |
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19 |
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20 #include "SearchServerTesting.h" |
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21 #include "SearchServerLogger.h" |
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22 |
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23 #include "CSearchServer.h" |
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24 |
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25 #ifdef PROVIDE_TESTING_UTILITY |
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26 |
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27 |
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28 #include <e32math.h> |
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29 |
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30 TPerformanceRecord::TPerformanceRecord() |
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31 : iMinimum(0x7fffffff), |
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32 iAverage(0), |
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33 iVarEst(0), |
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34 iPeak(0), |
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35 iSampleCount(0) |
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36 { |
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37 |
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38 } |
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39 |
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40 void TPerformanceRecord::Record( TInt aValue ) |
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41 { |
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42 iAverage = ( iAverage ) * ( (double)iSampleCount / (double)( iSampleCount + 1. ) ) |
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43 + ( ( double ) aValue ) / ( iSampleCount + 1. ); |
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44 iVarEst = ( iVarEst ) * ( (double)iSampleCount / (double)( iSampleCount + 1. ) ) |
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45 + ( ( aValue - iAverage ) * ( aValue - iAverage ) ) / ( iSampleCount + 1. ); |
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46 iPeak = Max( iPeak, aValue ); |
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47 iMinimum = Min( iMinimum, aValue ); |
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48 iSampleCount++; |
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49 } |
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50 |
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51 void TPerformanceRecord::Record( TPerformanceRecord& aRecord ) |
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52 { |
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53 iAverage = ((iAverage*iSampleCount) + (aRecord.iAverage*aRecord.iSampleCount)) / (iSampleCount+aRecord.iSampleCount); |
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54 iVarEst = ((iVarEst*iSampleCount) + (aRecord.iVarEst*aRecord.iSampleCount)) / (iSampleCount+aRecord.iSampleCount); |
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55 iPeak = Max( iPeak, aRecord.iPeak ); |
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56 iMinimum = Min( iPeak, aRecord.iPeak ); |
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57 iSampleCount += aRecord.iSampleCount; |
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58 } |
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59 |
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60 void TPerformanceRecord::ToStringL( TDes& aString, const TDesC& aUnit, TInt aScale ) |
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61 { |
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62 TReal sd; |
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63 Math::Sqrt( sd, iVarEst ); |
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64 aString.AppendNum( iMinimum / aScale ); |
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65 aString.Append( _L( " " ) ); |
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66 aString.Append( aUnit ); |
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67 aString.Append( _L( " > ~") ); |
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68 aString.AppendNum( (TInt)(iAverage / aScale) ); |
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69 aString.Append( _L( "+-" ) ); |
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70 aString.AppendNum( (TInt)(sd / aScale) ); |
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71 aString.Append( _L( " " ) ); |
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72 aString.Append( aUnit ); |
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73 aString.Append( _L( " < ") ); |
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74 aString.AppendNum( iPeak / aScale ); |
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75 aString.Append( _L( " " ) ); |
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76 aString.Append( aUnit ); |
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77 aString.Append( _L( " (n=") ); |
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78 aString.AppendNum( iSampleCount ); |
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79 aString.Append( _L( ")") ); |
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80 } |
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81 |
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82 int MemoryRecorder::iInstances = 0; |
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83 |
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84 MemoryRecorder* MemoryRecorder::NewL() |
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85 { |
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86 MemoryRecorder* self = new ( ELeave ) MemoryRecorder(); |
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87 CleanupStack::PushL( self ); |
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88 self->ConstructL(); |
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89 CleanupStack::Pop( self ); |
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90 return self; |
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91 } |
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92 |
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93 MemoryRecorder::MemoryRecorder() |
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94 : iSemaphore(), |
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95 iWorkerThread(), |
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96 iAbandon( EFalse ), |
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97 iRecord( NULL ) |
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98 { |
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99 } |
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100 |
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101 void MemoryRecorder::ConstructL() |
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102 { |
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103 TThreadFunction function = MemoryRecorder::ThreadFunction; |
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104 User::LeaveIfError( iSemaphore.CreateLocal( 0 ) ); |
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105 TBuf<64> buf; |
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106 buf.Append( _L( "MemUsgRecord" ) ); |
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107 buf.AppendNum( iInstances++ ); |
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108 User::LeaveIfError( iWorkerThread.Create( buf, function, 2048, NULL, this ) ); |
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109 // Ownerhips is safely transferred to the worker thread |
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110 // Go thread go. It will get stuck in the semaphore |
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111 iWorkerThread.Resume(); |
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112 } |
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113 |
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114 MemoryRecorder::~MemoryRecorder() |
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115 { |
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116 if ( iRecord ) |
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117 { |
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118 // We are still recording! |
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119 iSemaphore.Wait(); // need to do this to access the iRecord |
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120 delete iRecord; |
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121 // And the thread is stuck |
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122 // Semaphore is in 0 |
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123 } |
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124 |
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125 iAbandon = ETrue; // Thread, let's go and die |
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126 iSemaphore.Signal(); // Release thread and kill semaphore |
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127 |
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128 TRequestStatus status; |
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129 iWorkerThread.Logon( status ); |
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130 User::WaitForRequest( status ); |
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131 |
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132 iWorkerThread.Close(); |
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133 iSemaphore.Close(); |
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134 } |
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135 |
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136 void MemoryRecorder::StartL( TInt aRecordingIntervalMs ) |
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137 { |
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138 if ( iRecord ) |
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139 { |
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140 User::Leave( KErrNotReady ); |
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141 } |
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142 |
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143 iIntervalMs = aRecordingIntervalMs; |
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144 iRecord = new TPerformanceRecord(); |
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145 Record(); |
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146 iSemaphore.Signal(); // Go thread go |
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147 |
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148 // Must not touch record from this thread anymore |
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149 } |
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150 |
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151 TBool MemoryRecorder::IsActive() |
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152 { |
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153 return iRecord != 0; |
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154 } |
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155 |
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156 TPerformanceRecord* MemoryRecorder::Finish() |
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157 { |
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158 if ( !iRecord ) |
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159 { |
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160 User::Panic( _L( "MemUsageRecord" ), 1 ); |
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161 } |
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162 iSemaphore.Wait(); // Thread, stop |
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163 // Can touch record from this thread now |
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164 Record(); |
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165 TPerformanceRecord* ret = iRecord; |
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166 iRecord = NULL; |
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167 return ret; |
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168 } |
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169 |
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170 void MemoryRecorder::Record() |
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171 { |
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172 TInt |
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173 largestBlock; |
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174 TInt |
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175 mem = User::Heap().Size() - User::Heap().Available(largestBlock); |
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176 |
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177 iRecord->Record( mem ); |
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178 } |
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179 |
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180 void MemoryRecorder::Work() |
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181 { |
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182 while (true) |
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183 { |
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184 iSemaphore.Wait(); |
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185 // Condition: iAbandon == ETrue || iRecord != NULL |
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186 if ( iAbandon ) { |
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187 break; // Quit execution |
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188 } |
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189 Record(); |
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190 iSemaphore.Signal(); |
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191 |
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192 User::After( iIntervalMs * 1000 ); |
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193 } |
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194 } |
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195 |
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196 |
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197 TInt MemoryRecorder::ThreadFunction(void *aThis) |
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198 { |
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199 (reinterpret_cast<MemoryRecorder*>(aThis))->Work(); |
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200 return KErrNone; |
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201 } |
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202 |
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203 #endif // |
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204 |
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205 |
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206 #ifdef LOG_PERIODIC_MEMORY_USAGE |
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207 |
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208 CMemoryLogger::CMemoryLogger() |
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209 { |
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210 } |
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211 |
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212 CMemoryLogger::~CMemoryLogger() |
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213 { |
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214 //iPeriodic->Cancel(); |
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215 delete iPeriodic; |
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216 if ( iRecorder ) |
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217 { |
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218 iRecorder->Close(); |
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219 } |
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220 } |
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221 |
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222 |
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223 void CMemoryLogger::StartL() |
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224 { |
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225 TCallBack callback(CMemoryLogger::RunThisL, this); |
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226 iPeriodic = CPeriodic::NewL( CActive::EPriorityNormal ); |
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227 iPeriodic->Start( TTimeIntervalMicroSeconds32( KMemoryLoggingIntervalMs*1000 ), |
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228 TTimeIntervalMicroSeconds32( KMemoryLoggingIntervalMs*1000 ), |
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229 callback ); |
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230 |
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231 iRecorder = RMemoryRecorder::NewL(); |
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232 iRecorder->StartL( KMemoryRecordingIntervalMs ); |
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233 } |
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234 |
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235 void CMemoryLogger::Stop() |
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236 { |
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237 iPeriodic->Cancel(); |
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238 delete iPeriodic; |
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239 iPeriodic = NULL; |
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240 iRecorder->Close(); |
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241 iRecorder = NULL; |
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242 } |
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243 |
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244 void CMemoryLogger::RunL() |
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245 { |
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246 TPerformanceRecord* record = iRecorder->Finish(); |
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247 |
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248 CleanupStack::PushL( record ); |
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249 |
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250 TBuf<256> buf; |
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251 buf.Append( _L("SearchServer ") ); |
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252 record->ToStringL( buf ); |
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253 PERFORMANCE_LOG( buf ); |
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254 |
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255 CleanupStack::PopAndDestroy( record ); |
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256 |
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257 iRecorder->StartL( KMemoryRecordingIntervalMs ); |
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258 } |
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259 |
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260 TInt CMemoryLogger::RunThisL(void *aThis) |
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261 { |
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262 (reinterpret_cast<CMemoryLogger*>(aThis))->RunL(); |
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263 return KErrNone; |
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264 } |
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265 |
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266 #endif |
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267 |
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268 #ifdef PROVIDE_TESTING_UTILITY |
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269 |
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270 |
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271 TFunctionPerformanceEntry::TFunctionPerformanceEntry( const TDesC& aId ) |
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272 { |
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273 iId = aId; |
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274 } |
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275 |
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276 CSearchServerTesting* CSearchServerTesting::iInstance = NULL; |
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277 |
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278 CSearchServerTesting* CSearchServerTesting::Instance() |
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279 { |
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280 return iInstance; |
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281 } |
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282 |
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283 CSearchServerTesting::CSearchServerTesting() |
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284 : iRecorder( 0 ), |
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285 iServer( 0 ), |
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286 iPeriodic( 0 ), |
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287 iEntries() |
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288 { |
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289 iInstance = this; |
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290 } |
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291 |
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292 void CSearchServerTesting::ConstructL() |
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293 { |
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294 User::LeaveIfError( iFs.Connect() ); |
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295 iPeriodic = CPeriodic::NewL( CActive::EPriorityLow ); |
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296 iRecorder = MemoryRecorder::NewL(); |
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297 } |
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298 |
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299 CSearchServerTesting::~CSearchServerTesting() |
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300 { |
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301 Stop(); |
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302 |
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303 delete iRecorder; |
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304 |
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305 iEntries.Reset(); |
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306 iEntries.Close(); |
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307 |
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308 iInstance = NULL; |
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309 delete iPeriodic; |
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310 |
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311 iPeriodic = NULL; |
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312 iFs.Close(); |
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313 } |
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314 |
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315 void CSearchServerTesting::SetServer( CSearchServer* aServer ) |
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316 { |
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317 iServer = aServer; |
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318 } |
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319 |
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320 void CSearchServerTesting::Reset() |
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321 { |
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322 iEntries.Reset(); |
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323 } |
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324 |
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325 TFunctionPerformanceEntry& CSearchServerTesting::FunctionEntry( const TDesC& aFunctionId ) |
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326 { |
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327 for ( TInt i = 0; i < iEntries.Count(); i++ ) |
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328 { |
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329 if ( iEntries[i].iId == aFunctionId ) |
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330 { |
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331 return iEntries[i]; |
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332 } |
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333 } |
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334 |
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335 TFunctionPerformanceEntry entry( aFunctionId ); |
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336 TRAP_IGNORE(iEntries.AppendL( entry )); |
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337 |
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338 return iEntries[iEntries.Count()-1]; |
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339 } |
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340 |
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341 void CSearchServerTesting::StartL() |
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342 { |
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343 User::LeaveIfError( iFs.Connect() ); |
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344 TCallBack callback( CSearchServerTesting::RunThisL, this ); |
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345 iPeriodic->Start( TTimeIntervalMicroSeconds32( TSignalCheckIntervalMs*1000 ), |
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346 TTimeIntervalMicroSeconds32( TSignalCheckIntervalMs*1000 ), |
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347 callback ); |
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348 } |
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349 |
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350 void CSearchServerTesting::Stop() |
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351 { |
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352 iPeriodic->Cancel(); |
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353 } |
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354 |
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355 void CSearchServerTesting::RunL() |
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356 { |
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357 TEntry entry; |
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358 |
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359 if ( iFs.Entry( KStartRecordingSignalFile, entry ) == KErrNone ) |
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360 { |
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361 iFs.Delete( KStartRecordingSignalFile ); |
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362 StartRecordingL(); |
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363 } |
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364 |
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365 if ( iFs.Entry( KStopRecordingSignalFile, entry ) == KErrNone ) |
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366 { |
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367 iFs.Delete( KStopRecordingSignalFile ); |
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368 StopRecording(); |
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369 } |
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370 |
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371 if ( iFs.Entry( KDumpRecordSignalFile, entry ) == KErrNone ) |
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372 { |
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373 iFs.Delete( KDumpRecordSignalFile ); |
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374 DumpRecordL(); |
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375 } |
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376 |
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377 if ( iFs.Entry( KShutdownSignalFile, entry ) == KErrNone ) |
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378 { |
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379 iFs.Delete( KShutdownSignalFile ); |
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380 ShutdownL(); |
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381 } |
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382 } |
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383 |
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384 TInt CSearchServerTesting::RunThisL(void *aThis) |
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385 { |
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386 (reinterpret_cast<CSearchServerTesting*>(aThis))->RunL(); |
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387 return KErrNone; |
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388 } |
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389 |
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390 void CSearchServerTesting::ShutdownL() |
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391 { |
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392 if ( iServer ) |
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393 { |
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394 iServer->ShutDown(); |
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395 } |
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396 } |
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397 |
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398 void CSearchServerTesting::StartRecordingL() |
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399 { |
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400 if ( !iRecorder->IsActive() ) |
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401 { |
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402 iRecorder->StartL( KMemoryRecordingIntervalMs ); |
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403 } |
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404 } |
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405 |
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406 void CSearchServerTesting::StopRecording() |
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407 { |
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408 if ( iRecorder->IsActive() ) |
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409 { |
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410 TPerformanceRecord* record; |
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411 record = iRecorder->Finish(); |
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412 delete record; |
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413 } |
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414 } |
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415 |
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416 |
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417 void CSearchServerTesting::DumpRecordL() |
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418 { |
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419 if ( !iRecorder->IsActive() ) return; // not active |
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420 |
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421 TPerformanceRecord* record = iRecorder->Finish(); |
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422 CleanupStack::PushL( record ); |
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423 |
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424 HBufC8* buf = HBufC8::NewLC( 2048 ); |
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425 |
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426 RFile file; |
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427 TBool created = EFalse; |
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428 if ( file.Open( iFs, KServerRecordFile, EFileWrite ) == KErrNotFound ) |
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429 { |
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430 User::LeaveIfError( file.Create( iFs, KServerRecordFile, EFileWrite ) ); |
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431 created = ETrue; |
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432 } |
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433 CleanupClosePushL( file ); |
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434 |
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435 TInt end = 0; |
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436 file.Seek( ESeekEnd, end ); |
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437 |
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438 if ( created ) |
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439 { |
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440 buf->Des().Append( _L8("heap min ; heap aver; heap peak\n" ) ); |
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441 file.Write( *buf ); |
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442 buf->Des().Zero(); |
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443 } |
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444 |
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445 buf->Des().AppendNum( record->iMinimum ); |
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446 |
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447 TInt spaces = Max( 0, 9 - buf->Length() ); |
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448 if ( spaces ) buf->Des().AppendFill( ' ', spaces ); |
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449 buf->Des().Append( _L8("; " ) ); |
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450 buf->Des().AppendNum( record->iAverage ); |
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451 |
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452 spaces = Max( 0, 20 - buf->Length() ); |
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453 if ( spaces ) buf->Des().AppendFill( ' ', spaces ); |
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454 buf->Des().Append( _L8("; " ) ); |
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455 buf->Des().AppendNum( record->iPeak ); |
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456 |
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457 buf->Des().Append( _L8("\n" ) ); |
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458 file.Write( *buf ); |
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459 file.Flush(); |
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460 |
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461 CleanupStack::PopAndDestroy(); // file |
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462 CleanupStack::PopAndDestroy( buf ); |
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463 CleanupStack::PopAndDestroy( record ); |
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464 |
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465 Reset(); |
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466 StartRecordingL(); |
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467 } |
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468 |
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469 |
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470 |
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471 #endif // PROVIDE_TESTING_UTILITY |
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472 |
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473 |
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