os/kernelhwsrv/kerneltest/e32test/defrag/perf/t_timer.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/kerneltest/e32test/defrag/perf/t_timer.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,45 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// e32test/defrag/perf/t_timer.cpp
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#define __E32TEST_EXTENSION__
    1.22 +#include <e32test.h>
    1.23 +#include <hal.h>
    1.24 +
    1.25 +#include "t_perf.h"
    1.26 +
    1.27 +
    1.28 +const TInt CalAttempts = 100;
    1.29 +
    1.30 +void DefragLatency::CalibrateTimer(RTest& aTest)
    1.31 +	{
    1.32 +	TInt val = 0;
    1.33 +	TUint time1, time2;
    1.34 +	
    1.35 +	HAL::Get(HAL::EFastCounterFrequency, iFastCounterFreq);
    1.36 +	
    1.37 +	///////////////////////////////////////////
    1.38 +	for (TInt i = 0; i < CalAttempts; i++) 
    1.39 +		{
    1.40 +		time1 = GetFastCounter();
    1.41 +		time2 = GetFastCounter();
    1.42 +		if (time2 < time1)
    1.43 +			aTest.Printf(_L("CALIBRATION ERROR !!!!!!!!!!!!11\n"));
    1.44 +		val += time2 - time1;
    1.45 +		}
    1.46 +	iCalDelay = val / CalAttempts;
    1.47 +	}
    1.48 +