author | Simon Howkins <simonh@symbian.org> |
Mon, 15 Nov 2010 14:53:34 +0000 | |
branch | RCL_3 |
changeset 105 | 871af676edac |
parent 94 | 919f36ff910f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#ifndef _MEMORYLOGGING_H |
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#define _MEMORYLOGGING_H |
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// INCLUDES |
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#include <e32std.h> |
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#include <e32def.h> |
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#include <flogger.h> |
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#include <f32file.h> |
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#ifdef OOM_LOGGING |
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// CONSTANTS |
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_LIT( KMEMLogDir, "WebCore"); |
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_LIT( KMEMLogFile, "Memory.log"); |
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_LIT( KChunkLogFile, "freechunks.log"); |
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_LIT8( KFuncMemLogBegin, "BEGIN: %S @ %S/%d InSize -> %d" ); |
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_LIT8( KFuncMemLogEnd, "END: Peek -> %d Diff -> %d Accumulated Peek -> %d" ); |
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_LIT8( KTab, "\t" ); |
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// MACROS |
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#define MEM_LOG_CREATE() \ |
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RFs fs; \ |
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_LIT( KFilePath, "C:\\Logs\\Webcore\\"); \ |
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TFileName path (KFilePath); \ |
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if(fs.Connect() == KErrNone) { \ |
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fs.MkDirAll( path ); \ |
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fs.Close(); \ |
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} |
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#define MEM_LOG(a) { _LIT8(temp, a); RFileLogger::Write(KMEMLogDir, KMEMLogFile, EFileLoggingModeAppend, temp); } |
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#define MEM_LOGF FPrint |
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#define C_LOG(a) { _LIT8(temp, a); RFileLogger::Write(KMEMLogDir, KChunkLogFile, EFileLoggingModeAppend, temp); } |
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#define C_LOGF FPrint2 |
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// FUNCTION DECLARATIONS |
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inline void FPrint(const TRefByValue<const TDesC8> aFmt, ...) |
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{ |
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VA_LIST list; |
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VA_START(list,aFmt); |
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RFileLogger::WriteFormat(KMEMLogDir, KMEMLogFile, EFileLoggingModeAppend, aFmt, list); |
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} |
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inline void FPrint2(const TRefByValue<const TDesC8> aFmt, ...) |
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{ |
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VA_LIST list; |
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VA_START(list,aFmt); |
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RFileLogger::WriteFormat(KMEMLogDir, KChunkLogFile, EFileLoggingModeAppend, aFmt, list); |
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} |
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// CLASS DECLARATION |
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/** |
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* A utility class to record the memory usage inside a function |
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* @lib memman.lib |
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* @since 3.1 |
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*/ |
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class FunctionLogger |
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{ |
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public: |
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inline FunctionLogger( const TDesC8& func, const TDesC8& file, TInt line, TInt size ); |
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inline ~FunctionLogger(); |
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TInt _peek; |
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TInt _used; |
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TInt _accum; |
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TInt _inSize; |
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static RPointerArray<FunctionLogger> loggers; |
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}; |
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// MEMBER FUNCTIONS |
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//----------------------------------------------------------------------------- |
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// FunctionLogger::FunctionLogger |
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//----------------------------------------------------------------------------- |
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inline FunctionLogger::FunctionLogger( const TDesC8& func, const TDesC8& file, TInt line, TInt size ) |
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: _peek( 0 ), _used( 0 ), _accum( 0 ) |
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{ |
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TBuf8<512> buf; |
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// indent |
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for( TInt i=0; i<loggers.Count(); ++i ) buf.Append( KTab ); |
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buf.Append( KFuncMemLogBegin ); |
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// write the logger info |
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MEM_LOGF( buf, &func, &file, line, size ); |
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_inSize = size; |
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// insert this logger to the head of loggers array |
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loggers.Insert( this, 0 ); |
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} |
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//----------------------------------------------------------------------------- |
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// FunctionLogger::~FunctionLogger |
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//----------------------------------------------------------------------------- |
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inline FunctionLogger::~FunctionLogger() |
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{ |
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TBuf8<512> buf; |
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// indent |
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for( TInt i=0; i<loggers.Count()-1; ++i ) buf.Append( KTab ); |
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buf.Append( KFuncMemLogEnd ); |
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_accum += _peek; |
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MEM_LOGF( buf, _peek, _used, _accum ); |
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// remove the logger |
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loggers.Remove( 0 ); |
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// update its parents' _accum |
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if( loggers.Count() > 0 ) |
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for( TInt i=0; i<loggers.Count(); ++i ) |
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loggers[ i ]->_accum += _peek; |
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} |
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#else // OOM_LOGGING |
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#define MEM_LOG_CREATE() |
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#define MEM_LOG(a) |
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#define MEM_LOGF |
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#define C_LOG(a) |
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#define C_LOGF |
0
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#endif |
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#endif |
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// END OF FILE |