perfsrv/memspy/Driver/Kernel/Source/MemSpyDriverHeap.cpp
changeset 48 516af714ebb4
child 52 c2f44e33b468
equal deleted inserted replaced
45:185201be11b0 48:516af714ebb4
       
     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:
       
    15 *
       
    16 */
       
    17 
       
    18 #include "MemSpyDriverHeap.h"
       
    19 
       
    20 // System includes
       
    21 #include <kern_priv.h>
       
    22 
       
    23 // User includes
       
    24 #include "MemSpyDriverOSAdaption.h"
       
    25 #include "MemSpyDriverUtils.h"
       
    26 #include "heaputils.h"
       
    27 
       
    28 
       
    29 
       
    30 RMemSpyDriverRHeapBase::RMemSpyDriverRHeapBase()
       
    31 	: iHelper(NULL)
       
    32     {
       
    33     Reset();
       
    34     }
       
    35 
       
    36 LtkUtils::RAllocatorHelper* RMemSpyDriverRHeapBase::Helper()
       
    37 	{
       
    38 	return iHelper;
       
    39 	}
       
    40 
       
    41 TMemSpyHeapInfo::THeapImplementationType RMemSpyDriverRHeapBase::GetTypeFromHelper() const
       
    42 	{
       
    43 	if (iHelper)
       
    44 		{
       
    45 		LtkUtils::RAllocatorHelper::TType type = iHelper->GetType();
       
    46 		switch (type)
       
    47 			{
       
    48 			case LtkUtils::RAllocatorHelper::ETypeRHeap:
       
    49 				return TMemSpyHeapInfo::ETypeRHeap;
       
    50 			case LtkUtils::RAllocatorHelper::ETypeRHybridHeap:
       
    51 				return TMemSpyHeapInfo::ETypeRHybridHeap;
       
    52 			case LtkUtils::RAllocatorHelper::ETypeUnknown:
       
    53 			default:
       
    54 				return TMemSpyHeapInfo::ETypeUnknown;
       
    55 			}
       
    56 		}
       
    57 	return TMemSpyHeapInfo::ETypeUnknown;
       
    58 	}
       
    59 
       
    60 void RMemSpyDriverRHeapBase::Reset()
       
    61     {
       
    62 	Close();
       
    63 	}
       
    64 
       
    65 void RMemSpyDriverRHeapBase::Close()
       
    66 	{
       
    67 	if (iHelper)
       
    68 		{
       
    69 	    NKern::ThreadEnterCS();
       
    70 		iHelper->Close();
       
    71 		delete iHelper;
       
    72 		iHelper = NULL;
       
    73 		NKern::ThreadLeaveCS();
       
    74 		}
       
    75     }
       
    76 
       
    77 void RMemSpyDriverRHeapBase::PrintInfo()
       
    78     {
       
    79 	/* TOMSCI TODO replace with tracing based on latest struct info. See DMemSpyDriverLogChanHeapBase::PrintHeapInfo
       
    80 	 * Alternatively just call DMemSpyDriverLogChanHeapBase::PrintHeapInfo() somehow?
       
    81 	 
       
    82 #if defined(TRACE_TYPE_KERNELHEAP) || defined(TRACE_TYPE_USERHEAP)
       
    83     Kern::Printf(" " );
       
    84     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RAllocator - iAccessCount:    0x%08x", iAccessCount );
       
    85     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RAllocator - iHandleCount:    0x%08x", iHandleCount );
       
    86     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RAllocator - iHandles:        0x%08x", iHandles );
       
    87     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RAllocator - iFlags:          0x%08x", iFlags );
       
    88     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RAllocator - iCellCount:      0x%08x", iCellCount );
       
    89     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RAllocator - iTotalAllocSize: 0x%08x", iTotalAllocSize );
       
    90 
       
    91     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iMinLength:      0x%08x", iMinLength );
       
    92     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iMaxLength:      0x%08x", iMaxLength );
       
    93     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iOffset:         0x%08x", iOffset);
       
    94     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iGrowBy:         0x%08x", iGrowBy);
       
    95     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iChunkHandle:    0x%08x", iChunkHandle);
       
    96     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iBase:           0x%08x", Base());
       
    97     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iTop:            0x%08x", iTop );
       
    98     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iAlign:          0x%08x", iAlign);
       
    99     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iMinCell:        0x%08x", iMinCell);
       
   100     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iPageSize:       0x%08x", iPageSize);
       
   101     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iFree len:       0x%08x", iFree.len);
       
   102     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iFree next:      0x%08x", iFree.next);
       
   103     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iNestingLevel:   0x%08x", iNestingLevel);
       
   104     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      iAllocCount:     0x%08x", iAllocCount);
       
   105     Kern::Printf("RMemSpyDriverRHeapBase::PrintInfo - RHeap -      size:              %8d",  Size() );
       
   106     Kern::Printf(" " );
       
   107     Kern::Printf(" " );
       
   108 #endif
       
   109 	*/
       
   110     }
       
   111 
       
   112 RMemSpyDriverRHeapReadFromCopy::RMemSpyDriverRHeapReadFromCopy( DMemSpyDriverOSAdaption& aOSAdaption )
       
   113 :   iOSAdaption( aOSAdaption ), iChunk( NULL ), iChunkAddress( 0 ), iChunkMappingAttributes( 0 ) /*, iClientToKernelDelta( 0 )*/
       
   114     {
       
   115     }
       
   116 
       
   117 
       
   118 void RMemSpyDriverRHeapReadFromCopy::Reset()
       
   119     {
       
   120     RMemSpyDriverRHeapBase::Reset();
       
   121 	//
       
   122     iChunk = NULL;
       
   123     iChunkAddress = 0;
       
   124     iChunkMappingAttributes = 0;
       
   125     //iClientToKernelDelta = 0;
       
   126     }
       
   127 
       
   128 
       
   129 void RMemSpyDriverRHeapReadFromCopy::AssociateWithKernelChunk( DChunk* aChunk, TLinAddr aAddress, TUint32 aMappingAttributes )
       
   130     {
       
   131     TRACE_HEAP( Kern::Printf("RMemSpyDriverRHeapReadFromCopy::AssociateWithKernelChunk() - START - aChunk: %O, aChunk base: 0x%08x, aAddress: 0x%08x, clients heap base: 0x%08x, aChunk size: %8d", aChunk, aChunk->iBase, aAddress, Base(), aChunk->iSize ) );
       
   132 
       
   133     iChunk = aChunk;
       
   134     iChunkAddress = aAddress;
       
   135     iChunkMappingAttributes = aMappingAttributes;
       
   136 
       
   137     // Calculate start of real heap data (skipping over embedded RHeap object)
       
   138     // Since we must operate with kernel-side addressing into our cloned heap chunk,
       
   139     // we must use aAddress (the kernel address of the chunk) rather than aChunk->iBase
       
   140     //TOMSCI iClientToKernelDelta = ( (TUint8*) aAddress ) - ( Base() - KRHeapObjectSize );
       
   141 
       
   142     TRACE_HEAP( Kern::Printf("RMemSpyDriverRHeapReadFromCopy::AssociateWithKernelChunk() - END - delta between client's user-side base address (base: 0x%08x), kernel-side base address (base: 0x%08x), and kernel-side chunk (base: 0x%08x) is: 0x%08x", Base(), aChunk->iBase, aAddress, iClientToKernelDelta) );
       
   143     }
       
   144 
       
   145 
       
   146 /*void RMemSpyDriverRHeapReadFromCopy::DisassociateWithKernelChunk()
       
   147     {
       
   148     TRACE_HEAP( Kern::Printf("RMemSpyDriverRHeapReadFromCopy::DisassociateWithKernelChunk() - START - iChunk: 0x%08x", iChunk ) );
       
   149 
       
   150     NKern::ThreadEnterCS();
       
   151     if  ( iChunk != NULL )
       
   152         {
       
   153         Kern::ChunkClose( iChunk );
       
   154         iChunk = NULL;
       
   155         }
       
   156     NKern::ThreadLeaveCS();
       
   157 
       
   158     TRACE_HEAP( Kern::Printf("RMemSpyDriverRHeapReadFromCopy::DisassociateWithKernelChunk() - END") );
       
   159     }
       
   160 */
       
   161 
       
   162 DChunk& RMemSpyDriverRHeapReadFromCopy::Chunk()
       
   163     {
       
   164     return *iChunk;
       
   165     }
       
   166 
       
   167 
       
   168 const DChunk& RMemSpyDriverRHeapReadFromCopy::Chunk() const
       
   169     {
       
   170     return *iChunk;
       
   171     }
       
   172 
       
   173 
       
   174 /*TLinAddr RMemSpyDriverRHeapReadFromCopy::ChunkKernelAddress() const
       
   175     {
       
   176     return iChunkAddress;
       
   177     }
       
   178 
       
   179 
       
   180 TBool RMemSpyDriverRHeapReadFromCopy::ChunkIsInitialised() const
       
   181     {
       
   182     return iChunk != NULL;
       
   183     }
       
   184 
       
   185 TUint RMemSpyDriverRHeapReadFromCopy::ClientToKernelDelta() const
       
   186     {
       
   187     return iClientToKernelDelta;
       
   188     }
       
   189 */
       
   190 
       
   191 
       
   192 
       
   193 
       
   194 
       
   195 RMemSpyDriverRHeapUser::RMemSpyDriverRHeapUser( DMemSpyDriverOSAdaption& aOSAdaption )
       
   196 	: RMemSpyDriverRHeapBase(), iOSAdaption(aOSAdaption)
       
   197     {
       
   198     }
       
   199 
       
   200 
       
   201 TInt RMemSpyDriverRHeapUser::OpenUserHeap(DThread& aThread, TBool aEuserUdeb)
       
   202 	{
       
   203 	TLinAddr allocatorAddr = (TLinAddr)OSAdaption().DThread().GetAllocator(aThread);
       
   204 	NKern::ThreadEnterCS();
       
   205 	LtkUtils::RKernelSideAllocatorHelper* helper = new LtkUtils::RKernelSideAllocatorHelper;
       
   206 	if (!helper)
       
   207 		{
       
   208 		NKern::ThreadLeaveCS();
       
   209 		return KErrNoMemory;
       
   210 		}
       
   211 	TInt err = helper->OpenUserHeap(OSAdaption().DThread().GetId(aThread), allocatorAddr, aEuserUdeb);
       
   212 	if (!err)
       
   213 		{
       
   214 		iChunk = helper->OpenUnderlyingChunk();
       
   215 		if (!iChunk) err = KErrNotFound;
       
   216 		}
       
   217 	if (err)
       
   218 		{
       
   219 		delete helper;
       
   220 		}
       
   221 	else
       
   222 		{
       
   223 		iHelper = helper;
       
   224 		}
       
   225 	NKern::ThreadLeaveCS();
       
   226 	return err;
       
   227 	}
       
   228 
       
   229 RMemSpyDriverRHeapKernelFromCopy::RMemSpyDriverRHeapKernelFromCopy( DMemSpyDriverOSAdaption& aOSAdaption )
       
   230 :   RMemSpyDriverRHeapReadFromCopy( aOSAdaption )
       
   231     {
       
   232     }
       
   233 
       
   234 
       
   235 void RMemSpyDriverRHeapKernelFromCopy::SetKernelHeap( RHeapK& aKernelHeap )
       
   236     {
       
   237     TRACE_KH( Kern::Printf("RMemSpyDriverRHeapKernelFromCopy::SetKernelHeap() - START" ) );
       
   238 
       
   239     // Perform a copy operation in order to populate base class with a duplicate of the kernel's heap info.
       
   240     iKernelHeap = &aKernelHeap;
       
   241 
       
   242     // Source address
       
   243     TUint8* sourceAddress = (TUint8*) iKernelHeap + KRAllocatorAndRHeapMemberDataOffset;
       
   244     TUint8* destinationAddress = (TUint8*) this + KRAllocatorAndRHeapMemberDataOffset;
       
   245 
       
   246     // Copy 
       
   247     memcpy( destinationAddress, sourceAddress, KRHeapMemberDataSize );
       
   248 
       
   249     // And print info in debug builds for verification...
       
   250     PrintInfo();
       
   251 
       
   252     TRACE_KH( Kern::Printf("RMemSpyDriverRHeapKernelFromCopy::SetKernelHeap() - END" ) );
       
   253     }
       
   254 
       
   255 
       
   256 /*
       
   257 void RMemSpyDriverRHeapKernelFromCopy::DisassociateWithKernelChunk()
       
   258     {
       
   259     TRACE_KH( Kern::Printf("RMemSpyDriverRHeapKernelFromCopy::DisassociateWithKernelChunk() - START - iKernelHeap: 0x%08x", iKernelHeap ));
       
   260     iKernelHeap = NULL;
       
   261     RMemSpyDriverRHeapReadFromCopy::DisassociateWithKernelChunk();
       
   262     TRACE_KH( Kern::Printf("RMemSpyDriverRHeapKernelFromCopy::DisassociateWithKernelChunk() - END") );
       
   263     }
       
   264 */
       
   265 
       
   266 void RMemSpyDriverRHeapKernelFromCopy::Close()
       
   267 	{
       
   268 	//TOMSCI TODO close the chunk
       
   269 	}
       
   270 
       
   271 RMemSpyDriverRHeapKernelInPlace::RMemSpyDriverRHeapKernelInPlace()
       
   272 	: iChunk(NULL)
       
   273     {
       
   274     }
       
   275 
       
   276 TInt RMemSpyDriverRHeapKernelInPlace::OpenKernelHeap()
       
   277 	{
       
   278 	NKern::ThreadEnterCS();
       
   279 	LtkUtils::RAllocatorHelper* helper = new LtkUtils::RAllocatorHelper;
       
   280 	if (!helper)
       
   281 		{
       
   282 		NKern::ThreadLeaveCS();
       
   283 		return KErrNoMemory;
       
   284 		}
       
   285 	TInt err = helper->OpenKernelHeap();
       
   286 	if (!err)
       
   287 		{
       
   288 		iChunk = helper->OpenUnderlyingChunk();
       
   289 		if (!iChunk) err = KErrNotFound;
       
   290 		}
       
   291 
       
   292 	if (err)
       
   293 		{
       
   294 		delete helper;
       
   295 		}
       
   296 	else
       
   297 		{
       
   298 		iHelper = helper;
       
   299 		}
       
   300 	NKern::ThreadLeaveCS();
       
   301 	return err;
       
   302 	}
       
   303 
       
   304 void RMemSpyDriverRHeapKernelInPlace::Close()
       
   305     {
       
   306 	NKern::ThreadEnterCS();
       
   307 	iChunk->Close(NULL);
       
   308 	iChunk = NULL;
       
   309 	RMemSpyDriverRHeapBase::Close();
       
   310 	NKern::ThreadLeaveCS();
       
   311     }
       
   312 
       
   313 DChunk& RMemSpyDriverRHeapKernelInPlace::Chunk()
       
   314     {
       
   315     return *iChunk;
       
   316     }
       
   317 
       
   318 
       
   319 const DChunk& RMemSpyDriverRHeapKernelInPlace::Chunk() const
       
   320     {
       
   321     return *iChunk;
       
   322     }
       
   323