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: Perf log Header.

    15 *

    16 */

    17 

    18 #ifndef ALFPERFORMANCE_H

    19 #define ALFPERFORMANCE_H

    20 

    21 //  INCLUDES

    22 #include <e32debug.h>

    23 #include <e32base.h>

    24 #include <e32std.h>

    25 #include <hal.h>

    26 #include <e32cmn.h>

    27 #include <flogger.h>

    28 #include <f32file.h>

    29 

    30 _LIT(KLogFileName,"alfperf.log");

    31 _LIT(KLogFileDir,"alflogs");

    32 _LIT(KLogFileRootDir,"c:\\logs\\");

    33 

    34 class CAlfPerformance : public CBase

    35     {

    36     public:

    37         struct TPerfData

    38             {

    39             TTime iStartTime;

    40             TInt iStartMemory;

    41             };

    42 

    43     public:  // Constructors and destructor

    44         static CAlfPerformance* NewL();

    45         virtual ~CAlfPerformance();

    46 

    47     public: // New functions

    48         inline static void PrintUserMem(const TDesC& aMsg);

    49         inline static TPerfData* StartTestCase(const TDesC& aMsg = KNullDesC);

    50         inline static void StopTestCase(TPerfData* aData, const TDesC& aMsg = KNullDesC);

    51         //creates log file if it doesn't exist already

    52         inline static void CreateLogFile();

    53     private:

    54         CAlfPerformance();

    55         void ConstructL();

    56     };

    57 

    58 inline void CAlfPerformance::PrintUserMem(const TDesC& aMsg)

    59     {

    60     TBuf<512> buffer;

    61     TInt freeRAM;

    62     HAL::Get(HALData::EMemoryRAMFree, freeRAM);

    63     RHeap heap = User::Heap();

    64     heap.Open();

    65     TInt _size = heap.Size();

    66     TInt largest = 0;

    67     TInt available = heap.Available(largest);

    68     heap.Close();

    69     _LIT( KMemoryFormat, "FreeRAM: %d kB, User: - heap %d kB, available %d kB, largest block %d kB" );

    70     buffer.Format(KMemoryFormat, freeRAM / 1024, _size / 1024, available / 1024, largest / 1024);

    71     CreateLogFile();

    72     //Write logs into file

    73     RFileLogger::WriteFormat( KLogFileDir,KLogFileName,EFileLoggingModeAppend,_L("RAM - %S - %S"), &aMsg, &buffer);

    74     }

    75 

    76 inline CAlfPerformance::TPerfData* CAlfPerformance::StartTestCase(const TDesC& aMsg)

    77     {

    78     CreateLogFile();

    79     //Write logs into file

    80     RFileLogger::WriteFormat(KLogFileDir,KLogFileName,EFileLoggingModeAppend,_L("Test case %S starts"), &aMsg);

    81     CAlfPerformance::TPerfData* data = new (ELeave) TPerfData;

    82     TTime readyTime;

    83     data->iStartTime.HomeTime();

    84     User::AllocSize(data->iStartMemory);

    85     return data;

    86     }

    87 

    88 inline void CAlfPerformance::StopTestCase(CAlfPerformance::TPerfData* aData, const TDesC& aMsg)

    89     {

    90     if(!aData)

    91         {

    92         return;

    93         }

    94     TTime readyTime;

    95     readyTime.HomeTime();

    96     TTimeIntervalMicroSeconds delay = readyTime.MicroSecondsFrom(aData->iStartTime);

    97     TTime transferTime(delay.Int64());

    98     TBuf<64> timeString;

    99     transferTime.FormatL(timeString, _L("- Elapsed time: %S%C microseconds"));

   100     TBuf<256> tmp;

   101     tmp.Append(timeString);

   102 

   103     RFileLogger::Write(KLogFileDir,KLogFileName,EFileLoggingModeAppend,tmp);

   104     // Memory consumption

   105     TInt endMemory;

   106     User::AllocSize(endMemory); 

   107 

   108     CreateLogFile();

   109     //Write logs into file

   110     RFileLogger::WriteFormat(KLogFileDir,KLogFileName,EFileLoggingModeAppend,_L("- Allocated memory: %d kB"), (endMemory - aData->iStartMemory) / 1024);

   111     delete aData;

   112     aData = NULL;

   113     RFileLogger::WriteFormat(KLogFileDir,KLogFileName,EFileLoggingModeAppend,_L("Test case %S ends"), &aMsg);

   114     }

   115 inline void CAlfPerformance::CreateLogFile()

   116     {

   117         RFs fsSession;

   118         RFile file;

   119         User::LeaveIfError(fsSession.Connect());

   120         TFileName filename;

   121         filename.Append(KLogFileRootDir);

   122         filename.Append(KLogFileDir);

   123         filename.Append(_L("\\"));

   124         //create logs directory if it doesn't exist

   125         fsSession.MkDir(filename);

   126         filename.Append(KLogFileName);

   127         //check if log file already exists

   128         TInt retStatus = file.Open(fsSession,filename,EFileRead);

   129         if(retStatus == KErrNotFound)

   130             file.Create(fsSession,filename,EFileWrite);         //create a new log file

   131         file.Close();

   132         fsSession.Close();

   133     }

   134 #endif // ALFPERFORMANCE_H

   135             

   136 // End of File