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 |
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18 #include "MemSpyDriverLogChanHeapInfo.h" |
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19 |
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20 // System includes |
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21 #include <u32hal.h> |
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22 #include <e32rom.h> |
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23 #include <memspy/driver/memspydriverconstants.h> |
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24 #include <memspy/driver/memspydriverobjectsshared.h> |
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25 |
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26 // Shared includes |
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27 #include "MemSpyDriverOpCodes.h" |
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28 #include "MemSpyDriverObjectsInternal.h" |
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29 |
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30 // User includes |
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31 #include "MemSpyDriverHeap.h" |
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32 #include "MemSpyDriverUtils.h" |
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33 #include "MemSpyDriverOSAdaption.h" |
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34 #include "MemSpyDriverHeapWalker.h" |
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35 #include "MemSpyDriverSuspensionManager.h" |
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36 |
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37 |
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38 |
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39 DMemSpyDriverLogChanHeapInfo::DMemSpyDriverLogChanHeapInfo( DMemSpyDriverDevice& aDevice, DThread& aThread ) |
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40 : DMemSpyDriverLogChanHeapBase( aDevice, aThread ) |
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41 { |
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42 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::DMemSpyDriverLogChanHeapInfo() - this: 0x%08x", this )); |
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43 } |
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44 |
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45 |
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46 DMemSpyDriverLogChanHeapInfo::~DMemSpyDriverLogChanHeapInfo() |
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47 { |
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48 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::~DMemSpyDriverLogChanHeapInfo() - START - this: 0x%08x", this )); |
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49 ReleaseCellList(); |
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50 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::~DMemSpyDriverLogChanHeapInfo() - END - this: 0x%08x", this )); |
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51 } |
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52 |
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53 TInt DMemSpyDriverLogChanHeapInfo::Request( TInt aFunction, TAny* a1, TAny* a2 ) |
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54 { |
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55 TInt r = DMemSpyDriverLogChanHeapBase::Request( aFunction, a1, a2 ); |
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56 if ( r == KErrNone ) |
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57 { |
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58 if ( aFunction != EMemSpyDriverOpCodeHeapInfoFetchCellList ) |
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59 { |
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60 ReleaseCellList(); |
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61 } |
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62 // |
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63 switch( aFunction ) |
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64 { |
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65 case EMemSpyDriverOpCodeHeapInfoGetUser: |
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66 r = GetHeapInfoUser( (TMemSpyDriverInternalHeapRequestParameters*) a1 ); |
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67 break; |
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68 case EMemSpyDriverOpCodeHeapInfoGetKernel: |
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69 r = GetHeapInfoKernel( (TMemSpyDriverInternalHeapRequestParameters*) a1, (TDes8*) a2 ); |
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70 break; |
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71 case EMemSpyDriverOpCodeHeapInfoGetIsDebugKernel: |
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72 r = GetIsDebugKernel(a1); |
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73 break; |
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74 case EMemSpyDriverOpCodeHeapInfoFetchCellList: |
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75 r = FetchCellList( (TDes8*) a1 ); |
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76 break; |
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77 |
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78 default: |
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79 r = KErrNotSupported; |
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80 break; |
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81 } |
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82 } |
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83 // |
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84 return r; |
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85 } |
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86 |
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87 |
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88 TBool DMemSpyDriverLogChanHeapInfo::IsHandler( TInt aFunction ) const |
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89 { |
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90 return ( aFunction > EMemSpyDriverOpCodeHeapInfoBase && aFunction < EMemSpyDriverOpCodeHeapInfoEnd ); |
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91 } |
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92 |
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93 |
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94 |
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95 |
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96 |
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97 |
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98 |
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99 |
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100 |
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101 |
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102 |
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103 |
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104 |
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105 TInt DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser( TMemSpyDriverInternalHeapRequestParameters* aParams ) |
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106 { |
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107 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser() - START" ) ); |
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108 |
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109 TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, &iHeapInfoParams, sizeof(TMemSpyDriverInternalHeapRequestParameters) ); |
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110 if ( r != KErrNone ) |
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111 { |
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112 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - params read error: %d", r)); |
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113 } |
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114 else |
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115 { |
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116 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - thread id: %d, vtable: 0x%08x, debugAllocator: %d", iHeapInfoParams.iTid, iHeapInfoParams.iRHeapVTable, iHeapInfoParams.iDebugAllocator) ); |
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117 |
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118 r = OpenTempObject( iHeapInfoParams.iTid, EThread ); |
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119 if ( r != KErrNone ) |
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120 { |
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121 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - thread not found") ); |
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122 } |
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123 else |
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124 { |
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125 // Check that the process' thread's are suspended |
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126 DThread* thread = (DThread*) TempObject(); |
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127 if ( SuspensionManager().IsSuspended( *thread ) ) |
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128 { |
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129 // Open client's heap |
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130 RMemSpyDriverRHeapUser rHeap( OSAdaption() ); |
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131 r = rHeap.OpenUserHeap(*thread, iHeapInfoParams.iDebugAllocator); |
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132 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - opening client heap returned: %d", r) ); |
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133 |
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134 if ( r == KErrNone ) |
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135 { |
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136 // This object holds all of the info we will accumulate for the client. |
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137 TMemSpyHeapInfo masterHeapInfo; |
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138 masterHeapInfo.SetType(rHeap.GetTypeFromHelper()); |
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139 masterHeapInfo.SetTid( iHeapInfoParams.iTid ); |
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140 masterHeapInfo.SetPid( OSAdaption().DThread().GetOwningProcessId( *thread ) ); |
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141 |
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142 // This is the RHeap-specific object that contains all RHeap info |
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143 TMemSpyHeapInfoRHeap& rHeapInfo = masterHeapInfo.AsRHeap(); |
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144 |
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145 |
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146 // We must walk the client's heap in order to build statistics |
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147 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - calling heap walker constructor...")); |
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148 RMemSpyDriverHeapWalker heapWalker(rHeap); |
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149 if (iHeapInfoParams.iBuildFreeCellList || iHeapInfoParams.iBuildAllocCellList) |
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150 { |
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151 heapWalker.SetObserver( this ); |
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152 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - collecting cells")); |
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153 } |
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154 else |
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155 { |
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156 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - not collecting cells")); |
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157 } |
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158 |
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159 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - starting traversal openerr: %d...", r)); |
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160 |
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161 #if ( defined( TRACE_TYPE_USERHEAP ) && defined( TRACE_TYPE_HEAPWALK ) ) |
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162 heapWalker.SetPrintDebug(); |
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163 #endif |
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164 if (r == KErrNone) r = heapWalker.Traverse(); |
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165 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - finished traversal - err: %d", r )); |
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166 |
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167 TMemSpyHeapStatisticsRHeap& rHeapStats = rHeapInfo.Statistics(); |
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168 heapWalker.CopyStatsTo( rHeapStats ); |
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169 |
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170 // Get remaining meta data that isn't stored elsewhere |
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171 TMemSpyHeapMetaDataRHeap& rHeapMetaData = rHeapInfo.MetaData(); |
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172 DChunk& userHeapChunk = rHeap.Chunk(); |
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173 TFullName chunkName; |
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174 userHeapChunk.FullName(chunkName); |
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175 rHeapMetaData.SetChunkName( chunkName ); |
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176 rHeapMetaData.SetChunkSize( (TUint) OSAdaption().DChunk().GetSize( userHeapChunk ) ); |
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177 rHeapMetaData.SetChunkHandle( &userHeapChunk ); |
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178 rHeapMetaData.SetChunkBaseAddress( OSAdaption().DChunk().GetBase( userHeapChunk ) ); |
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179 rHeapMetaData.SetDebugAllocator(rHeap.Helper()->AllocatorIsUdeb()); |
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180 rHeapMetaData.SetUserThread( ETrue ); |
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181 rHeapMetaData.iHeapSize = rHeap.Helper()->CommittedSize(); |
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182 rHeapMetaData.iAllocatorAddress = (TAny*)rHeap.Helper()->AllocatorAddress(); |
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183 rHeapMetaData.iMinHeapSize = rHeap.Helper()->MinCommittedSize(); |
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184 rHeapMetaData.iMaxHeapSize = rHeap.Helper()->MaxCommittedSize(); |
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185 |
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186 PrintHeapInfo( masterHeapInfo ); |
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187 |
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188 // Write free cells if requested |
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189 if ( r == KErrNone && (iHeapInfoParams.iBuildFreeCellList || iHeapInfoParams.iBuildAllocCellList)) |
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190 { |
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191 r = PrepareCellListTransferBuffer(); |
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192 } |
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193 |
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194 // Update info ready for writing back to the user-side |
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195 if ( r >= KErrNone ) |
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196 { |
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197 // Write results back to user-side |
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198 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - writing to user-side...")); |
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199 TMemSpyHeapInfo* userMasterInfo = iHeapInfoParams.iMasterInfo; |
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200 const TInt error = Kern::ThreadRawWrite( &ClientThread(), userMasterInfo, &masterHeapInfo, sizeof(TMemSpyHeapInfo) ); |
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201 if ( error < 0 ) |
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202 { |
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203 r = error; |
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204 } |
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205 } |
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206 |
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207 // Release resources |
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208 rHeap.Close(); |
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209 } |
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210 } |
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211 else |
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212 { |
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213 r = KErrAccessDenied; |
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214 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser - parent process not suspended => KErrAccessDenied")); |
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215 } |
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216 |
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217 CloseTempObject(); |
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218 } |
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219 } |
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220 |
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221 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoUser() - END - ret: %d", r)); |
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222 return r; |
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223 } |
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224 |
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225 |
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226 |
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227 |
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228 |
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229 |
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230 |
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231 TInt DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel( TMemSpyDriverInternalHeapRequestParameters* aParams, TDes8* aTransferBuffer ) |
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232 { |
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233 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - START - aTransferBuffer: 0x%08x", aTransferBuffer ) ); |
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234 |
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235 TMemSpyDriverInternalHeapRequestParameters params; |
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236 TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverInternalHeapRequestParameters) ); |
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237 if ( r == KErrNone ) |
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238 { |
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239 // Open kernel heap |
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240 RMemSpyDriverRHeapKernelInPlace rHeap; |
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241 r = rHeap.OpenKernelHeap(); |
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242 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - open err: %d", r ) ); |
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243 |
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244 if ( r == KErrNone ) |
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245 { |
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246 r = DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel(rHeap, params.iMasterInfo, aTransferBuffer); |
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247 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - base class get heap info: %d", r) ); |
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248 } |
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249 else |
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250 { |
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251 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - open err: %d", r ) ); |
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252 } |
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253 } |
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254 else |
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255 { |
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256 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - params read error: %d", r) ); |
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257 } |
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258 |
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259 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetHeapInfoKernel() - END - ret: %d", r) ); |
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260 return r; |
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261 } |
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262 |
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263 |
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264 |
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265 |
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266 |
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267 |
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268 TInt DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel(TAny* aResult) |
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269 { |
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270 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - START") ); |
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271 |
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272 TInt r = KErrNone; |
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273 TBool debugKernel = EFalse; |
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274 |
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275 NKern::ThreadEnterCS(); |
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276 |
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277 RMemSpyDriverRHeapKernelInPlace rHeap; |
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278 r = rHeap.OpenKernelHeap(); |
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279 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - open kernel heap returned: %d", r) ); |
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280 |
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281 if ( r == KErrNone ) |
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282 { |
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283 debugKernel = rHeap.Helper()->AllocatorIsUdeb(); |
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284 |
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285 // Tidy up |
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286 rHeap.Close(); |
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287 } |
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288 |
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289 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - debugKernel: %d", debugKernel) ); |
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290 |
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291 // Write back to user-land |
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292 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - writing to user-side...") ); |
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293 r = Kern::ThreadRawWrite( &ClientThread(), aResult, &debugKernel, sizeof(TBool) ); |
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294 |
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295 NKern::ThreadLeaveCS(); |
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296 |
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297 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::GetIsDebugKernel() - END - ret: %d", r) ); |
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298 return r; |
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299 } |
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300 |
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301 TInt DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() |
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302 { |
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303 // Transfer free cells immediately from xfer stream |
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304 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() - START - iHeapStream: 0x%08x", iHeapStream )); |
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305 __ASSERT_ALWAYS( !iHeapStream, MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapFreeCellStreamNotClosed ) ); |
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306 // |
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307 TInt r = KErrNoMemory; |
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308 // |
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309 NKern::ThreadEnterCS(); |
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310 // |
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311 iHeapStream = new RMemSpyMemStreamWriter(); |
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312 if ( iHeapStream ) |
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313 { |
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314 const TInt requiredMemory = CalculateCellListBufferSize(); |
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315 r = OpenXferStream( *iHeapStream, requiredMemory ); |
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316 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() - requested %d bytes for free cell list, r: %d", requiredMemory, r )); |
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317 |
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318 if ( r == KErrNone ) |
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319 { |
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320 const TInt count = iCellList.Count(); |
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321 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() - cell count: %d", count )); |
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322 // |
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323 iHeapStream->WriteInt32( count ); |
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324 for( TInt i=0; i<count; i++ ) |
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325 { |
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326 const TMemSpyDriverCell& cell = iCellList[ i ]; |
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327 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() - storing entry: %d", i )); |
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328 // |
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329 iHeapStream->WriteInt32( cell.iType ); |
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330 iHeapStream->WriteUint32( reinterpret_cast<TUint32>( cell.iAddress ) ); |
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331 iHeapStream->WriteInt32( cell.iLength ); |
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332 } |
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333 |
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334 // Finished with the array now |
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335 iCellList.Reset(); |
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336 |
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337 // We return the amount of client-side memory that needs to be allocated to hold the buffer |
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338 r = requiredMemory; |
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339 } |
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340 } |
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341 // |
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342 NKern::ThreadLeaveCS(); |
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343 |
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344 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::PrepareCellListTransferBuffer() - END - r: %d", r)); |
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345 return r; |
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346 } |
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347 |
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348 |
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349 TInt DMemSpyDriverLogChanHeapInfo::FetchCellList( TDes8* aBufferSink ) |
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350 { |
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351 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::FetchCellList() - START - iHeapStream: 0x%08x", iHeapStream )); |
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352 __ASSERT_ALWAYS( iHeapStream, MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapFreeCellStreamNotOpen ) ); |
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353 |
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354 TInt r = KErrNone; |
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355 |
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356 // Write buffer to client |
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357 NKern::ThreadEnterCS(); |
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358 r = iHeapStream->WriteAndClose( aBufferSink ); |
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359 |
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360 // Tidy up |
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361 ReleaseCellList(); |
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362 |
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363 NKern::ThreadLeaveCS(); |
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364 // |
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365 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::FetchCellList() - END - r: %d", r)); |
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366 return r; |
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367 } |
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368 |
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369 |
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370 |
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371 TInt DMemSpyDriverLogChanHeapInfo::CalculateCellListBufferSize() const |
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372 { |
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373 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::CalculateCellListBufferSize() - START" )); |
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374 |
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375 const TInt count = iCellList.Count(); |
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376 const TInt entrySize = sizeof( TInt32 ) + sizeof( TInt32 ) + sizeof( TUint32 ); |
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377 const TInt r = ( count * entrySize ) + sizeof( TInt ); // Extra TInt to hold count |
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378 |
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379 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::CalculateCellListBufferSize() - END - r: %d, count: %d, entrySize: %d", r, count, entrySize )); |
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380 return r; |
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381 } |
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382 |
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383 |
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384 |
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385 void DMemSpyDriverLogChanHeapInfo::ReleaseCellList() |
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386 { |
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387 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::ReleaseCellList() - START - this: 0x%08x", this )); |
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388 |
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389 NKern::ThreadEnterCS(); |
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390 iCellList.Reset(); |
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391 delete iHeapStream; |
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392 iHeapStream = NULL; |
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393 NKern::ThreadLeaveCS(); |
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394 |
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395 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapInfo::ReleaseCellList() - END - this: 0x%08x", this )); |
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396 } |
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397 |
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398 TBool DMemSpyDriverLogChanHeapInfo::HandleHeapCell(TMemSpyDriverCellType aCellType, TAny* aCellAddress, TInt aLength, TInt /*aNestingLevel*/, TInt /*aAllocNumber*/) |
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399 { |
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400 TInt err = KErrNone; |
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401 if (((aCellType & EMemSpyDriverFreeCellMask) && iHeapInfoParams.iBuildFreeCellList) || |
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402 ((aCellType & EMemSpyDriverAllocatedCellMask) && iHeapInfoParams.iBuildAllocCellList)) |
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403 { |
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404 TMemSpyDriverCell cell; |
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405 cell.iType = aCellType; |
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406 cell.iAddress = aCellAddress; |
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407 cell.iLength = aLength; |
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408 |
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409 NKern::ThreadEnterCS(); |
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410 err = iCellList.Append(cell); |
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411 NKern::ThreadLeaveCS(); |
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412 } |
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413 return err == KErrNone; |
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414 } |
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415 |
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416 void DMemSpyDriverLogChanHeapInfo::HandleHeapWalkInit() |
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417 { |
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418 } |
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