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.
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// Copyright (c) 1996-2009 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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// e32test\bench\t_excbm.cpp
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// 
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//
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#include <e32std.h>
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#include <e32std_private.h>
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#include <e32base.h>
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#include <e32base_private.h>
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#include <e32test.h>
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#include <e32svr.h>
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const TInt KHeapSize=132*1024;
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const TInt KAverageOverInSeconds=10;
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const TInt KNumberOfCalculationsPerLoop=20;
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TInt64 count;
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RTest test(_L("T_EXCBM"));
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GLREF_C TInt SlowExec(TAny*);
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GLREF_C TInt FastExec(TAny*);
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TInt64 runTest(TThreadFunction aFunction,const TDesC& aTitle)
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    {
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    RThread thread;
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	TInt r=thread.Create(aTitle,aFunction,KDefaultStackSize,KHeapSize,KHeapSize,NULL);
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	if(r!=KErrNone)
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		{
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		test.Printf(_L("Failed to create thread with error %d\n"),r);
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		return(r);
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		}
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    thread.Resume();
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    User::After(1000000);
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    count=0;
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    User::After(KAverageOverInSeconds*1000000);
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    TInt64 result=count;
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    thread.Kill(0);
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	thread.Close();
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    result *= KNumberOfCalculationsPerLoop;
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    result /= KAverageOverInSeconds;
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    TInt r2 = I64INT(result);
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    test.Printf(_L("%S executed %d in 1 second\n"),&aTitle,r2);
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    return(result);
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    }
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TInt E32Main()
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//
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// Benchmark for Exec functions
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//
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    {
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    test.Title();
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    test.Start(_L("Benchmarks for Exec functions"));
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    runTest(SlowExec,_L("Slow Exec"));
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    runTest(FastExec,_L("Fast Exec"));
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    test.End();
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	return(KErrNone);
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    }
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