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1 /* |
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2 * Copyright (c) 2009 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 // INCLUDE FILES |
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18 #include "perfmon_engine.h" |
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19 #include <coeutils.h> |
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20 #include <bautils.h> |
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21 #include <eikenv.h> |
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22 #include <e32hal.h> |
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23 #include <u32std.h> |
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24 #include <s32file.h> |
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25 #include <akntitle.h> |
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26 #include <eikspane.h> |
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27 #include <aknnotewrappers.h> |
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28 _LIT(KDefaultLogFilePath, "c:\\data\\PerfMon.log"); |
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29 |
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30 const TInt KCalibrationLength = 2; |
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31 const TInt KMinimumSamplesLength = 16; |
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32 const TInt KCPUTimeMultiplier = 1000000; // used to avoid TReal conversions |
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33 |
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34 const TInt KSettingsDrive = EDriveC; |
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35 _LIT(KSettingsFileName, "perfmon_settings.ini"); |
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36 |
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37 // -------------------------------------------------------------------------------------------- |
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38 |
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39 TInt CPULoadCount(TAny* aInt) |
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40 { |
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41 // increase the counter |
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42 (*(TUint*) aInt)++; |
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43 return 1; |
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44 } |
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45 |
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46 TInt CPULoadNOPThread(TAny* aParam) |
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47 { |
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48 CTrapCleanup* pC = CTrapCleanup::New(); |
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49 CActiveScheduler* pS = new CActiveScheduler; |
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50 CActiveScheduler::Install(pS); |
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51 |
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52 CIdle* idle = CIdle::NewL(CActive::EPriorityLow); |
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53 TCallBack cb(CPULoadCount, aParam); |
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54 idle->Start(cb); |
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55 |
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56 pS->Start(); |
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57 |
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58 delete idle; |
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59 delete pS; |
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60 delete pC; |
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61 |
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62 return 0; |
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63 } |
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64 |
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65 // ===================================== MEMBER FUNCTIONS ===================================== |
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66 |
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67 CPerfMonEngine::CPerfMonEngine() : |
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68 CActive(EPriorityUserInput) |
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69 { |
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70 } |
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71 |
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72 // -------------------------------------------------------------------------------------------- |
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73 |
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74 void CPerfMonEngine::ConstructL() |
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75 { |
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76 iCurrentCPUMode = ECPUModeNotSet; |
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77 iLogFileInitialized = EFalse; |
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78 |
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79 iEnv = CEikonEnv::Static(); |
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80 User::LeaveIfError(iLs.Connect()); |
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81 |
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82 User::LeaveIfError(iTimer.CreateLocal()); |
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83 CActiveScheduler::Add(this); |
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84 } |
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85 |
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86 // -------------------------------------------------------------------------------------------- |
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87 |
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88 void CPerfMonEngine::ActivateEngineL() |
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89 { |
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90 // load settings |
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91 TRAP_IGNORE(LoadSettingsL()); |
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92 |
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93 // create data storages for the samples |
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94 CreateSamplesDataArrayL(); |
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95 |
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96 // set default modes |
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97 HandleSettingsChangeL(); |
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98 |
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99 // start sampling data immediately (jump to RunL) |
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100 iTimer.After(iStatus, 100); |
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101 SetActive(); |
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102 } |
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103 |
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104 // -------------------------------------------------------------------------------------------- |
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105 |
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106 void CPerfMonEngine::DeActivateEngineL() |
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107 { |
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108 Cancel(); |
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109 |
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110 DeActivateCPUMonitoring(); |
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111 |
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112 // close log file |
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113 OpenLogFile(EFalse); |
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114 } |
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115 |
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116 // -------------------------------------------------------------------------------------------- |
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117 |
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118 CPerfMonEngine::~CPerfMonEngine() |
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119 { |
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120 iTimer.Close(); |
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121 |
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122 // clear data storages |
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123 if (iSampleEntryArray) |
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124 { |
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125 for (TInt i = 0; i < iSampleEntryArray->Count(); i++) |
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126 { |
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127 delete iSampleEntryArray->At(i).iSampleDataArray; |
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128 } |
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129 |
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130 delete iSampleEntryArray; |
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131 } |
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132 |
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133 iLs.Close(); |
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134 } |
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135 |
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136 // -------------------------------------------------------------------------------------------- |
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137 |
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138 void CPerfMonEngine::DoCancel() |
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139 { |
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140 iTimer.Cancel(); |
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141 } |
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142 |
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143 // -------------------------------------------------------------------------------------------- |
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144 |
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145 void CPerfMonEngine::RunL() |
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146 { |
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147 // calculate new values |
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148 UpdateSamplesDataL(); |
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149 |
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150 // log changes |
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151 AppendLatestSamplesToLogsL(); |
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152 |
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153 // redraw views |
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154 SendDrawEventToContainersL(); |
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155 |
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156 // continue |
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157 iTimer.After(iStatus, iSettings.iHeartBeat * 1000); // convert from milliseconds to microseconds |
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158 SetActive(); |
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159 } |
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160 |
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161 // -------------------------------------------------------------------------------------------- |
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162 |
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163 void CPerfMonEngine::HandleSettingsChangeL() |
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164 { |
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165 // set priority of the thread |
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166 RThread().SetPriority(SettingItemToThreadPriority(iSettings.iPriority)); |
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167 |
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168 // init cpu monitor if setting has been changed |
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169 if (iCurrentCPUMode != iSettings.iCPUMode) |
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170 { |
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171 DeActivateCPUMonitoring(); |
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172 ActivateCPUMonitoringL(); |
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173 } |
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174 |
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175 // close log file |
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176 OpenLogFile(EFalse); |
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177 |
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178 // enable log file |
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179 if (iSettings.iLoggingEnabled && (iSettings.iLoggingMode |
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180 == ELoggingModeLogFile || iSettings.iLoggingMode |
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181 == ELoggingModeRDebugLogFile)) |
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182 OpenLogFile(ETrue); |
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183 } |
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184 |
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185 // -------------------------------------------------------------------------------------------- |
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186 |
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187 void CPerfMonEngine::EnableLogging(TBool aEnable) |
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188 { |
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189 if (aEnable) |
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190 { |
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191 if (iSettings.iLoggingMode == ELoggingModeLogFile |
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192 || iSettings.iLoggingMode == ELoggingModeRDebugLogFile) |
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193 OpenLogFile(ETrue); |
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194 |
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195 iSettings.iLoggingEnabled = ETrue; |
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196 } |
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197 else // disable |
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198 { |
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199 iSettings.iLoggingEnabled = EFalse; |
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200 OpenLogFile(EFalse); |
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201 } |
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202 } |
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203 |
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204 // -------------------------------------------------------------------------------------------- |
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205 |
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206 void CPerfMonEngine::OpenLogFile(TBool aOpen) |
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207 { |
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208 // open log file for writing |
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209 if (aOpen) |
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210 { |
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211 if (!iLogFileInitialized) |
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212 { |
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213 TInt err(KErrNone); |
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214 |
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215 // open the log file for writing |
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216 if (iLogFile.Open(iEnv->FsSession(), iSettings.iLoggingFilePath, |
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217 EFileWrite) != KErrNone) |
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218 { |
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219 iEnv->FsSession().MkDirAll(iSettings.iLoggingFilePath); |
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220 err = iLogFile.Replace(iEnv->FsSession(), |
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221 iSettings.iLoggingFilePath, EFileWrite); |
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222 } |
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223 else |
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224 { |
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225 // file opens correctly, seek to the end |
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226 TInt fileSize = 0; |
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227 iLogFile.Size(fileSize); |
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228 err = iLogFile.Seek(ESeekCurrent, fileSize); |
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229 } |
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230 |
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231 if (err == KErrNone) |
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232 { |
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233 iLogFileInitialized = ETrue; |
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234 } |
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235 else |
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236 { |
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237 // show error |
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238 CAknErrorNote* note = new (ELeave) CAknErrorNote(); |
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239 note->ExecuteLD(_L("Unable to create log file, check settings")); |
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240 } |
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241 } |
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242 } |
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243 |
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244 // close handle to log file |
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245 else |
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246 { |
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247 if (iLogFileInitialized) |
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248 { |
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249 iLogFile.Flush(); |
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250 iLogFile.Close(); |
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251 |
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252 iLogFileInitialized = EFalse; |
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253 } |
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254 } |
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255 } |
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256 |
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257 // -------------------------------------------------------------------------------------------- |
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258 |
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259 void CPerfMonEngine::ActivateCPUMonitoringL() |
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260 { |
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261 // reset counter variables |
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262 iCPULoadCalibrating = ETrue; |
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263 iCPULoadCalibrationCounter = 0; |
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264 iCPULoadMaxValue = 999999999; |
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265 iCPULoadPreviousValue = 1; |
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266 iCPULoadCounter = 0; |
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267 |
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268 // use null thread is cpu time is supported and the setting is on |
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269 if (CPUTimeSupported() && iSettings.iCPUMode == ECPUModeCPUTime) |
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270 { |
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271 // try to open handle to null thread |
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272 if (OpenHandleToNullThread()) |
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273 { |
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274 // handle is open, get initial value |
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275 TTimeIntervalMicroSeconds time; |
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276 iNullThread.GetCpuTime(time); |
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277 iCPULoadPreviousValue = time.Int64(); |
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278 iPreviousTime.HomeTime(); |
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279 |
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280 iCurrentCPUMode = ECPUModeCPUTime; |
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281 return; // cpu time is succesfully in use |
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282 } |
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283 } |
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284 |
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285 // otherwise use normal sampling with nops |
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286 iCurrentCPUMode = ECPUModeNotSet; |
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287 |
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288 // show a warning if cpu time cannot be taken in use |
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289 if (iSettings.iCPUMode == ECPUModeCPUTime) |
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290 { |
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291 CAknInformationNote* note = new (ELeave) CAknInformationNote(); |
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292 note->ExecuteLD( |
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293 _L("CPU Time not supported in this system, using NOPs sampling")); |
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294 } |
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295 |
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296 // create a thread for CPU load monitoring |
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297 User::LeaveIfError(iCPULoadThread.Create(_L("PerfMonCPULoad"), |
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298 CPULoadNOPThread, 0x1000, 0x1000, 0x100000, &iCPULoadCounter)); |
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299 iCPULoadThread.SetPriority(EPriorityAbsoluteVeryLow); |
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300 iCPULoadThread.Resume(); |
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301 |
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302 iCurrentCPUMode = ECPUModeNOPs; // NOPs taken succesfully in use |
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303 } |
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304 |
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305 // -------------------------------------------------------------------------------------------- |
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306 |
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307 TBool CPerfMonEngine::OpenHandleToNullThread() |
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308 { |
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309 // find the kernel process and then the null thread |
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310 TFindProcess fp(_L("ekern.exe*")); |
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311 |
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312 TFullName kernelName; |
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313 if (fp.Next(kernelName) == KErrNone) |
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314 { |
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315 // process found, append null thread identifier |
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316 kernelName.Append(_L("::Null")); |
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317 |
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318 // find the thread |
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319 TFindThread ft(kernelName); |
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320 |
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321 TFullName threadName; |
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322 if (ft.Next(threadName) == KErrNone) |
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323 { |
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324 // open instance to the thread |
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325 if (iNullThread.Open(threadName) != KErrNone) |
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326 return EFalse; |
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327 } |
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328 } |
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329 |
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330 // process not found |
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331 else |
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332 return EFalse; |
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333 |
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334 // success! |
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335 return ETrue; |
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336 } |
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337 |
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338 // -------------------------------------------------------------------------------------------- |
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339 |
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340 void CPerfMonEngine::DeActivateCPUMonitoring() |
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341 { |
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342 if (iCurrentCPUMode == ECPUModeCPUTime) |
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343 { |
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344 iNullThread.Close(); |
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345 } |
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346 |
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347 else if (iCurrentCPUMode == ECPUModeNOPs) |
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348 { |
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349 // kill the cpu load thread |
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350 iCPULoadThread.Kill(0); |
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351 iCPULoadThread.Close(); |
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352 } |
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353 } |
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354 |
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355 // -------------------------------------------------------------------------------------------- |
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356 |
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357 TBool CPerfMonEngine::CPUTimeSupported() |
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358 { |
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359 TTimeIntervalMicroSeconds time; |
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360 TInt err = RThread().GetCpuTime(time); |
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361 |
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362 if (err == KErrNone && time.Int64() > 0) |
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363 return ETrue; |
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364 else |
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365 return EFalse; |
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366 } |
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367 |
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368 // -------------------------------------------------------------------------------------------- |
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369 |
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370 TThreadPriority CPerfMonEngine::SettingItemToThreadPriority(TInt aIndex) |
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371 { |
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372 TThreadPriority threadPriority = EPriorityNull; |
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373 |
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374 switch (aIndex) |
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375 { |
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376 case EThreadPriorityTypeMuchLess: |
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377 { |
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378 threadPriority = EPriorityMuchLess; |
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379 break; |
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380 } |
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381 case EThreadPriorityTypeLess: |
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382 { |
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383 threadPriority = EPriorityLess; |
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384 break; |
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385 } |
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386 case EThreadPriorityTypeNormal: |
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387 { |
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388 threadPriority = EPriorityNormal; |
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389 break; |
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390 } |
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391 case EThreadPriorityTypeMore: |
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392 { |
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393 threadPriority = EPriorityMore; |
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394 break; |
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395 } |
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396 case EThreadPriorityTypeMuchMore: |
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397 { |
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398 threadPriority = EPriorityMuchMore; |
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399 break; |
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400 } |
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401 case EThreadPriorityTypeRealTime: |
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402 { |
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403 threadPriority = EPriorityRealTime; |
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404 break; |
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405 } |
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406 case EThreadPriorityTypeAbsoluteVeryLow: |
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407 { |
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408 threadPriority = EPriorityAbsoluteVeryLow; |
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409 break; |
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410 } |
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411 case EThreadPriorityTypeAbsoluteLow: |
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412 { |
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413 threadPriority = EPriorityAbsoluteLow; |
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414 break; |
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415 } |
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416 case EThreadPriorityTypeAbsoluteBackground: |
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417 { |
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418 threadPriority = EPriorityAbsoluteBackground; |
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419 break; |
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420 } |
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421 case EThreadPriorityTypeAbsoluteForeground: |
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422 { |
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423 threadPriority = EPriorityAbsoluteForeground; |
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424 break; |
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425 } |
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426 case EThreadPriorityTypeAbsoluteHigh: |
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427 { |
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428 threadPriority = EPriorityAbsoluteHigh; |
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429 break; |
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430 } |
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431 |
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432 default: |
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433 { |
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434 User::Panic(_L("Wrong tp index"), 276); |
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435 break; |
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436 } |
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437 } |
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438 |
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439 return threadPriority; |
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440 } |
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441 |
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442 // -------------------------------------------------------------------------------------------- |
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443 |
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444 void CPerfMonEngine::CreateSamplesDataArrayL() |
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445 { |
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446 TInt |
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447 maxSamples = |
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448 iSettings.iMaxSamples >= KMinimumSamplesLength ? iSettings.iMaxSamples |
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449 : KMinimumSamplesLength; |
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450 |
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451 // create the data structure to store all samples |
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452 iSampleEntryArray = new (ELeave) CSampleEntryArray(16); |
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453 |
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454 // add all source entries |
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455 for (TInt i = 0; i < ESourcesLength; i++) |
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456 { |
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457 TSampleEntry newSampleEntry; |
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458 |
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459 if (i == ESourceCPU) |
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460 { |
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461 newSampleEntry.iDescription.Copy(_L("CPU")); |
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462 newSampleEntry.iUnitTypeShort.Copy(KNullDesC); |
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463 newSampleEntry.iUnitTypeLong.Copy(KNullDesC); |
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464 newSampleEntry.iDriveNumber = -1; |
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465 newSampleEntry.iGraphColor = KRgbYellow; |
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466 } |
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467 |
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468 else if (i == ESourceRAM) |
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469 { |
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470 newSampleEntry.iDescription.Copy(_L("RAM")); |
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471 newSampleEntry.iUnitTypeShort.Copy(_L("b")); |
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472 newSampleEntry.iUnitTypeLong.Copy(_L("bytes")); |
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473 newSampleEntry.iDriveNumber = -1; |
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474 newSampleEntry.iGraphColor = KRgbGreen; |
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475 } |
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476 |
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477 else //drives |
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478 { |
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479 TChar driveLetter = 'C' + i - ESourceC; // C is the first drive |
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480 |
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481 newSampleEntry.iDescription.Append(driveLetter); |
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482 newSampleEntry.iDescription.Append(_L(":")); |
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483 newSampleEntry.iUnitTypeShort.Copy(_L("b")); |
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484 newSampleEntry.iUnitTypeLong.Copy(_L("bytes")); |
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485 |
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486 iEnv->FsSession().CharToDrive(driveLetter, |
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487 newSampleEntry.iDriveNumber); |
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488 |
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489 newSampleEntry.iGraphColor = KRgbCyan; |
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490 newSampleEntry.iGraphColor.SetGreen(255 - (i - ESourceC) * 30); |
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491 newSampleEntry.iGraphColor.SetRed(i * 30); |
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492 } |
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493 |
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494 newSampleEntry.iSampleDataArray = new (ELeave) CSampleDataArray( |
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495 maxSamples); |
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496 |
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497 iSampleEntryArray->AppendL(newSampleEntry); |
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498 } |
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499 |
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500 // save current time as start time |
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501 iStartTime.HomeTime(); |
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502 } |
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503 |
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504 // -------------------------------------------------------------------------------------------- |
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505 |
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506 void CPerfMonEngine::UpdateSamplesDataL() |
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507 { |
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508 // reset inactivity timers |
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509 if (iSettings.iKeepBacklightOn) |
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510 User::ResetInactivityTime(); |
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511 |
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512 // get current time |
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513 TTime currentTime; |
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514 currentTime.HomeTime(); |
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515 |
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516 // calculate time difference |
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517 TTimeIntervalMicroSeconds timeDeltaFromPreviousSample = |
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518 currentTime.MicroSecondsFrom(iPreviousTime); |
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519 |
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520 // remember current time as previous |
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521 iPreviousTime = currentTime; |
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522 |
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523 // get CPU |
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524 TInt64 cpuLoadDelta(0); |
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525 TInt64 cpuLoadFree(0); |
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526 TInt64 cpuLoadSize(0); |
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527 TInt64 currentCPUValue(0); |
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528 |
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529 if (iCurrentCPUMode == ECPUModeCPUTime || iCurrentCPUMode == ECPUModeNOPs) |
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530 { |
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531 if (iCurrentCPUMode == ECPUModeCPUTime) |
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532 { |
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533 TTimeIntervalMicroSeconds time; |
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534 iNullThread.GetCpuTime(time); |
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535 currentCPUValue = time.Int64(); |
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536 } |
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537 else if (iCurrentCPUMode == ECPUModeNOPs) |
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538 { |
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539 currentCPUValue = iCPULoadCounter; |
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540 } |
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541 |
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542 // get delta and store the previous value |
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543 cpuLoadDelta = currentCPUValue - iCPULoadPreviousValue; |
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544 iCPULoadPreviousValue = currentCPUValue; |
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545 |
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546 // velocity = distance / time |
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547 cpuLoadFree = cpuLoadDelta * KCPUTimeMultiplier |
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548 / timeDeltaFromPreviousSample.Int64(); |
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549 |
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550 // detect maximum value |
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551 if (cpuLoadFree > iCPULoadMaxValue) |
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552 iCPULoadMaxValue = cpuLoadFree; |
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553 |
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554 // check calibration status |
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555 if (iCPULoadCalibrating) |
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556 { |
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557 iCPULoadCalibrationCounter++; |
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558 cpuLoadSize = cpuLoadFree; |
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559 |
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560 // check if need to calibrate anymore |
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561 if (iCPULoadCalibrationCounter > KCalibrationLength) |
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562 { |
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563 iCPULoadCalibrating = EFalse; |
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564 |
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565 // from the samples, get the minimum value, and let it be the max value |
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566 for (TInt i = 0; i |
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567 < iSampleEntryArray->At(0).iSampleDataArray->Count(); i++) |
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568 { |
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569 TInt64 newCPULoadMaxValue = iCPULoadMaxValue; |
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570 |
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571 if (iSampleEntryArray->At(0).iSampleDataArray->At(i).iFree |
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572 < newCPULoadMaxValue) |
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573 { |
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574 newCPULoadMaxValue |
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575 = iSampleEntryArray->At(0).iSampleDataArray->At( |
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576 i).iFree; |
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577 } |
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578 |
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579 iCPULoadMaxValue = newCPULoadMaxValue; |
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580 } |
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581 |
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582 // adjust priority of the poller thread |
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583 if (iCurrentCPUMode == ECPUModeNOPs) |
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584 { |
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585 iCPULoadThread.SetPriority(EPriorityAbsoluteVeryLow); |
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586 } |
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587 } |
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588 |
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589 } |
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590 else |
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591 { |
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592 cpuLoadSize = iCPULoadMaxValue; |
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593 } |
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594 } |
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595 |
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596 // save cpu sample data |
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597 TSampleData cpuSample; |
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598 cpuSample.iFree = cpuLoadFree; |
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599 cpuSample.iSize = cpuLoadSize; |
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600 cpuSample.iTimeFromStart = currentTime.MicroSecondsFrom(iStartTime); |
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601 |
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602 iSampleEntryArray->At(0).iSampleDataArray->InsertL(0, cpuSample); |
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603 |
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604 // get ram memory |
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605 TMemoryInfoV1Buf ramMemory; |
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606 UserHal::MemoryInfo(ramMemory); |
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607 |
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608 TSampleData memorySample; |
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609 memorySample.iFree = ramMemory().iFreeRamInBytes; |
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610 memorySample.iSize = ramMemory().iMaxFreeRamInBytes; |
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611 memorySample.iTimeFromStart = currentTime.MicroSecondsFrom(iStartTime); |
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612 |
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613 iSampleEntryArray->At(1).iSampleDataArray->InsertL(0, memorySample); |
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614 |
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615 // all drives |
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616 for (TInt i = 2; i < iSampleEntryArray->Count(); i++) |
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617 { |
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618 TSampleData driveSample; |
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619 |
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620 // get volume info from RFs |
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621 TVolumeInfo volumeInfo; |
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622 if (iEnv->FsSession().Volume(volumeInfo, |
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623 iSampleEntryArray->At(i).iDriveNumber) == KErrNone) |
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624 { |
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625 driveSample.iFree = volumeInfo.iFree; |
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626 driveSample.iSize = volumeInfo.iSize; |
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627 } |
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628 else |
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629 { |
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630 driveSample.iFree = 0; |
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631 driveSample.iSize = 0; |
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632 } |
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633 |
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634 driveSample.iTimeFromStart = currentTime.MicroSecondsFrom(iStartTime); |
|
635 |
|
636 iSampleEntryArray->At(i).iSampleDataArray->InsertL(0, driveSample); |
|
637 } |
|
638 |
|
639 // compress sample data arrays to save memory |
|
640 TInt curLength(iSampleEntryArray->At(0).iSampleDataArray->Count()); |
|
641 |
|
642 TInt |
|
643 maxSamples = |
|
644 iSettings.iMaxSamples >= KMinimumSamplesLength ? iSettings.iMaxSamples |
|
645 : KMinimumSamplesLength; |
|
646 |
|
647 if (curLength > maxSamples && curLength % 5 == 0) |
|
648 { |
|
649 for (TInt i = 0; i < iSampleEntryArray->Count(); i++) |
|
650 { |
|
651 iSampleEntryArray->At(i).iSampleDataArray->ResizeL(maxSamples); // looses old samples |
|
652 iSampleEntryArray->At(i).iSampleDataArray->Compress(); |
|
653 } |
|
654 } |
|
655 } |
|
656 |
|
657 // -------------------------------------------------------------------------------------------- |
|
658 |
|
659 void CPerfMonEngine::AppendLatestSamplesToLogsL() |
|
660 { |
|
661 if (iSettings.iLoggingEnabled && SampleEntryArray()) |
|
662 { |
|
663 // loop all sources |
|
664 for (TInt i = 0; i < SampleEntryArray()->Count(); i++) |
|
665 { |
|
666 // check if this setting has been enabled and it has some data |
|
667 if (iSettings.iLoggingSources.iSrcEnabled[i] |
|
668 && SampleEntryArray()->At(i).iSampleDataArray->Count() > 0) |
|
669 { |
|
670 // get current sample |
|
671 TSampleData& currentSample = |
|
672 SampleEntryArray()->At(i).iSampleDataArray->At(0); |
|
673 |
|
674 TBuf<128> buf; |
|
675 buf.Append(_L("PERFMON;")); |
|
676 buf.Append(SampleEntryArray()->At(i).iDescription); |
|
677 buf.Append(_L(";")); |
|
678 buf.AppendNum(currentSample.iTimeFromStart.Int64()); |
|
679 buf.Append(_L(";")); |
|
680 buf.AppendNum(currentSample.iFree); |
|
681 buf.Append(_L(";")); |
|
682 buf.AppendNum(currentSample.iSize); |
|
683 |
|
684 // print to RDebug |
|
685 if (iSettings.iLoggingMode == ELoggingModeRDebug |
|
686 || iSettings.iLoggingMode == ELoggingModeRDebugLogFile) |
|
687 { |
|
688 RDebug::Print(buf); |
|
689 } |
|
690 |
|
691 // print to log file |
|
692 if (iSettings.iLoggingMode == ELoggingModeLogFile |
|
693 || iSettings.iLoggingMode == ELoggingModeRDebugLogFile) |
|
694 { |
|
695 buf.Append(_L("\r\n")); |
|
696 |
|
697 TBuf8<128> buf8; |
|
698 buf8.Copy(buf); |
|
699 |
|
700 iLogFile.Write(buf8); |
|
701 } |
|
702 } |
|
703 } |
|
704 } |
|
705 } |
|
706 |
|
707 void CPerfMonEngine::LoadSettingsL() |
|
708 { |
|
709 // set defaults |
|
710 iSettings.iHeartBeat = 600; |
|
711 iSettings.iMaxSamples = 64; |
|
712 iSettings.iPriority = EThreadPriorityTypeNormal; |
|
713 iSettings.iCPUMode = ECPUModeCPUTime; |
|
714 iSettings.iKeepBacklightOn = ETrue; |
|
715 |
|
716 iSettings.iDataPopupVisibility = EDataPopupVisbilityAlwaysOn; |
|
717 // TODO: remove the next line once data popup is working |
|
718 iSettings.iDataPopupVisibility = EDataPopupVisbilityAlwaysAlwaysOff; |
|
719 iSettings.iDataPopupLocation = EDataPopupLocationTopRight; |
|
720 iSettings.iDataPopupSources.SetDefaults1(); |
|
721 |
|
722 iSettings.iGraphsVerticalBarPeriod = 5; |
|
723 iSettings.iGraphsSources.SetDefaults2(); |
|
724 |
|
725 iSettings.iLoggingMode = ELoggingModeRDebug; |
|
726 iSettings.iLoggingFilePath.Copy(KDefaultLogFilePath); |
|
727 iSettings.iLoggingSources.SetDefaults2(); |
|
728 |
|
729 iSettings.iLoggingEnabled = EFalse; |
|
730 |
|
731 // make sure that the private path of this app in c-drive exists |
|
732 iEnv->FsSession().CreatePrivatePath(KSettingsDrive); // c:\\private\\20011385\\ |
|
733 |
|
734 // handle settings always in the private directory |
|
735 if (iEnv->FsSession().SetSessionToPrivate(KSettingsDrive) == KErrNone) |
|
736 { |
|
737 const TUid KUidPerfMon = |
|
738 { |
|
739 0x20011385 |
|
740 }; |
|
741 // open or create a dictionary file store |
|
742 CDictionaryFileStore* settingsStore = CDictionaryFileStore::OpenLC( |
|
743 iEnv->FsSession(), KSettingsFileName, KUidPerfMon); |
|
744 |
|
745 LoadDFSValueL(settingsStore, KPMSettingHeartBeat, iSettings.iHeartBeat); |
|
746 LoadDFSValueL(settingsStore, KPMSettingMaxSamples, |
|
747 iSettings.iMaxSamples); |
|
748 LoadDFSValueL(settingsStore, KPMSettingPriority, iSettings.iPriority); |
|
749 |
|
750 LoadDFSValueL(settingsStore, KPMSettingCPUMode, iSettings.iCPUMode); |
|
751 |
|
752 LoadDFSValueL(settingsStore, KPMSettingKeepBackLightOn, |
|
753 iSettings.iKeepBacklightOn); |
|
754 |
|
755 LoadDFSValueL(settingsStore, KPMSettingDataPopupVisbility, |
|
756 iSettings.iDataPopupVisibility); |
|
757 LoadDFSValueL(settingsStore, KPMSettingDataPopupLocation, |
|
758 iSettings.iDataPopupLocation); |
|
759 LoadDFSValueL(settingsStore, KPMSettingDataPopupSources, |
|
760 iSettings.iDataPopupSources); |
|
761 |
|
762 LoadDFSValueL(settingsStore, KPMSettingGraphsVerticalBarPeriod, |
|
763 iSettings.iGraphsVerticalBarPeriod); |
|
764 LoadDFSValueL(settingsStore, KPMSettingGraphsSources, |
|
765 iSettings.iGraphsSources); |
|
766 |
|
767 LoadDFSValueL(settingsStore, KPMSettingLoggingMode, |
|
768 iSettings.iLoggingMode); |
|
769 LoadDFSValueL(settingsStore, KPMSettingLoggingFilePath, |
|
770 iSettings.iLoggingFilePath); |
|
771 LoadDFSValueL(settingsStore, KPMSettingLoggingSources, |
|
772 iSettings.iLoggingSources); |
|
773 |
|
774 CleanupStack::PopAndDestroy(); // settingsStore |
|
775 } |
|
776 } |
|
777 |
|
778 // -------------------------------------------------------------------------------------------- |
|
779 |
|
780 void CPerfMonEngine::SaveSettingsL() |
|
781 { |
|
782 // handle settings always in c:\\private\\20011385\\ |
|
783 if (iEnv->FsSession().SetSessionToPrivate( KSettingsDrive ) == KErrNone) |
|
784 { |
|
785 // delete existing store to make sure that it is clean and not eg corrupted |
|
786 if (BaflUtils::FileExists(iEnv->FsSession(), KSettingsFileName)) |
|
787 { |
|
788 iEnv->FsSession().Delete(KSettingsFileName); |
|
789 } |
|
790 |
|
791 const TUid KUidPerfMon = |
|
792 { |
|
793 0x20011385 |
|
794 }; |
|
795 // create a dictionary file store |
|
796 CDictionaryFileStore* settingsStore = CDictionaryFileStore::OpenLC( |
|
797 iEnv->FsSession(), KSettingsFileName, KUidPerfMon); |
|
798 |
|
799 SaveDFSValueL(settingsStore, KPMSettingHeartBeat, iSettings.iHeartBeat); |
|
800 SaveDFSValueL(settingsStore, KPMSettingMaxSamples, |
|
801 iSettings.iMaxSamples); |
|
802 SaveDFSValueL(settingsStore, KPMSettingPriority, iSettings.iPriority); |
|
803 SaveDFSValueL(settingsStore, KPMSettingCPUMode, iSettings.iCPUMode); |
|
804 SaveDFSValueL(settingsStore, KPMSettingKeepBackLightOn, |
|
805 iSettings.iKeepBacklightOn); |
|
806 |
|
807 SaveDFSValueL(settingsStore, KPMSettingDataPopupVisbility, |
|
808 iSettings.iDataPopupVisibility); |
|
809 SaveDFSValueL(settingsStore, KPMSettingDataPopupLocation, |
|
810 iSettings.iDataPopupLocation); |
|
811 SaveDFSValueL(settingsStore, KPMSettingDataPopupSources, |
|
812 iSettings.iDataPopupSources); |
|
813 |
|
814 SaveDFSValueL(settingsStore, KPMSettingGraphsVerticalBarPeriod, |
|
815 iSettings.iGraphsVerticalBarPeriod); |
|
816 SaveDFSValueL(settingsStore, KPMSettingGraphsSources, |
|
817 iSettings.iGraphsSources); |
|
818 |
|
819 SaveDFSValueL(settingsStore, KPMSettingLoggingMode, |
|
820 iSettings.iLoggingMode); |
|
821 SaveDFSValueL(settingsStore, KPMSettingLoggingFilePath, |
|
822 iSettings.iLoggingFilePath); |
|
823 SaveDFSValueL(settingsStore, KPMSettingLoggingSources, |
|
824 iSettings.iLoggingSources); |
|
825 |
|
826 settingsStore->CommitL(); |
|
827 CleanupStack::PopAndDestroy(); // settingsStore |
|
828 } |
|
829 } |
|
830 |
|
831 // --------------------------------------------------------------------------- |
|
832 |
|
833 void CPerfMonEngine::LoadDFSValueL(CDictionaryFileStore* aDicFS, |
|
834 const TUid& aUid, TInt& aValue) |
|
835 { |
|
836 if (aDicFS->IsPresentL(aUid)) |
|
837 { |
|
838 RDictionaryReadStream in; |
|
839 in.OpenLC(*aDicFS, aUid); |
|
840 aValue = in.ReadInt16L(); |
|
841 CleanupStack::PopAndDestroy(); // in |
|
842 } |
|
843 } |
|
844 |
|
845 // --------------------------------------------------------------------------- |
|
846 |
|
847 void CPerfMonEngine::LoadDFSValueL(CDictionaryFileStore* aDicFS, |
|
848 const TUid& aUid, TDes& aValue) |
|
849 { |
|
850 if (aDicFS->IsPresentL(aUid)) |
|
851 { |
|
852 RDictionaryReadStream in; |
|
853 in.OpenLC(*aDicFS, aUid); |
|
854 TInt bufLength = in.ReadInt16L(); // get length of descriptor |
|
855 in.ReadL(aValue, bufLength); // get the descriptor itself |
|
856 CleanupStack::PopAndDestroy(); // in |
|
857 } |
|
858 } |
|
859 |
|
860 // --------------------------------------------------------------------------- |
|
861 |
|
862 void CPerfMonEngine::LoadDFSValueL(CDictionaryFileStore* aDicFS, |
|
863 const TUid& aUid, TPerfMonSources& aValue) |
|
864 { |
|
865 if (aDicFS->IsPresentL(aUid)) |
|
866 { |
|
867 RDictionaryReadStream in; |
|
868 in.OpenLC(*aDicFS, aUid); |
|
869 TInt bufLength = in.ReadInt16L(); // get length of the array |
|
870 |
|
871 if (bufLength < 0 || bufLength > ESourcesLength) // check for validaty |
|
872 User::Leave(KErrNotSupported); |
|
873 |
|
874 for (TInt i = 0; i < bufLength; i++) // get all items |
|
875 aValue.iSrcEnabled[i] = in.ReadInt16L(); |
|
876 |
|
877 CleanupStack::PopAndDestroy(); // in |
|
878 } |
|
879 } |
|
880 |
|
881 // --------------------------------------------------------------------------- |
|
882 |
|
883 void CPerfMonEngine::SaveDFSValueL(CDictionaryFileStore* aDicFS, |
|
884 const TUid& aUid, const TInt& aValue) |
|
885 { |
|
886 RDictionaryWriteStream out; |
|
887 out.AssignLC(*aDicFS, aUid); |
|
888 out.WriteInt16L(aValue); |
|
889 out.CommitL(); |
|
890 CleanupStack::PopAndDestroy(); // out |
|
891 } |
|
892 |
|
893 // --------------------------------------------------------------------------- |
|
894 |
|
895 void CPerfMonEngine::SaveDFSValueL(CDictionaryFileStore* aDicFS, |
|
896 const TUid& aUid, const TDes& aValue) |
|
897 { |
|
898 RDictionaryWriteStream out; |
|
899 out.AssignLC(*aDicFS, aUid); |
|
900 out.WriteInt16L(aValue.Length()); // write length of the descriptor |
|
901 out.WriteL(aValue, aValue.Length()); // write the descriptor itself |
|
902 out.CommitL(); |
|
903 CleanupStack::PopAndDestroy(); // out |
|
904 } |
|
905 |
|
906 // --------------------------------------------------------------------------- |
|
907 |
|
908 void CPerfMonEngine::SaveDFSValueL(CDictionaryFileStore* aDicFS, |
|
909 const TUid& aUid, const TPerfMonSources& aValue) |
|
910 { |
|
911 RDictionaryWriteStream out; |
|
912 out.AssignLC(*aDicFS, aUid); |
|
913 |
|
914 out.WriteInt16L(ESourcesLength); // write length of the array |
|
915 |
|
916 for (TInt i = 0; i < ESourcesLength; i++) // write all items |
|
917 out.WriteInt16L(aValue.iSrcEnabled[i]); |
|
918 |
|
919 out.CommitL(); |
|
920 CleanupStack::PopAndDestroy(); // out |
|
921 } |
|
922 |
|
923 // --------------------------------------------------------------------------- |
|
924 |
|
925 // End of File |