os/kernelhwsrv/kerneltest/e32test/bench/t_excbm.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of the License "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 // e32test\bench\t_excbm.cpp
    15 // 
    16 //
    17 
    18 #include <e32std.h>
    19 #include <e32std_private.h>
    20 #include <e32base.h>
    21 #include <e32base_private.h>
    22 #include <e32test.h>
    23 #include <e32svr.h>
    24 
    25 const TInt KHeapSize=132*1024;
    26 const TInt KAverageOverInSeconds=10;
    27 const TInt KNumberOfCalculationsPerLoop=20;
    28 
    29 TInt64 count;
    30 
    31 RTest test(_L("T_EXCBM"));
    32 
    33 GLREF_C TInt SlowExec(TAny*);
    34 GLREF_C TInt FastExec(TAny*);
    35 
    36 TInt64 runTest(TThreadFunction aFunction,const TDesC& aTitle)
    37     {
    38 
    39     RThread thread;
    40 	TInt r=thread.Create(aTitle,aFunction,KDefaultStackSize,KHeapSize,KHeapSize,NULL);
    41 	if(r!=KErrNone)
    42 		{
    43 		test.Printf(_L("Failed to create thread with error %d\n"),r);
    44 		return(r);
    45 		}
    46     thread.Resume();
    47     User::After(1000000);
    48     count=0;
    49     User::After(KAverageOverInSeconds*1000000);
    50     TInt64 result=count;
    51     thread.Kill(0);
    52 	thread.Close();
    53     result *= KNumberOfCalculationsPerLoop;
    54     result /= KAverageOverInSeconds;
    55     TInt r2 = I64INT(result);
    56     test.Printf(_L("%S executed %d in 1 second\n"),&aTitle,r2);
    57     return(result);
    58     }
    59 
    60 TInt E32Main()
    61 //
    62 // Benchmark for Exec functions
    63 //
    64     {
    65 
    66     test.Title();
    67     test.Start(_L("Benchmarks for Exec functions"));
    68     runTest(SlowExec,_L("Slow Exec"));
    69     runTest(FastExec,_L("Fast Exec"));
    70     test.End();
    71 	return(KErrNone);
    72     }
    73