diff -r 000000000000 -r bde4ae8d615e os/graphics/windowing/windowserver/test/t_integ/src/t_perfdata.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/graphics/windowing/windowserver/test/t_integ/src/t_perfdata.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,198 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+/**
+ @file
+ @test
+ @internalComponent
+*/
+
+#include <iniparser.h>
+#include <s32file.h>
+#include <hal.h>
+#include <e32math.h>
+
+#include "t_perfdata.h"
+#include "t_wservconsts.h"
+
+// Strings used when writing results to file to
+// describe the values accordingly.
+// e.g. KPerfDataFrameRate = 24
+// is the calculated frame rate for the measurements taken.
+_LIT(KPerfDataTrimedMean, "KPerfDataTrimedMean");
+_LIT(KPerfDataMaxTime,    "KPerfDataMaxTime");
+_LIT(KPerfDataMinTime,    "KPerfDataMinTime");
+_LIT(KPerfDataFrameRate,  "KPerfDataFrameRate");
+
+EXPORT_C CTPerfData*  CTPerfData::NewL()
+	{
+	CTPerfData* self = new(ELeave) CTPerfData();
+	CleanupStack::PushL(self);
+	self->Construct();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+EXPORT_C void CTPerfData::StartCounter()
+	{
+	iCounter = User::FastCounter();
+	}
+
+EXPORT_C void CTPerfData::StopCounterL()
+	{
+	TUint32 counter = User::FastCounter();
+	iResults.AppendL(counter-iCounter);
+	iCounter=counter;
+	}
+
+EXPORT_C void CTPerfData::WriteResultsL(const TDesC& aFileName)
+	{
+	AnalyseResultsL();
+
+	RFs myFs;
+	User::LeaveIfError(myFs.Connect());
+
+	RFileWriteStream writer;
+	writer.PushL(); // writer on cleanup stack
+	TInt err = myFs.MkDirAll(aFileName);
+
+	if (err==KErrNone || err==KErrAlreadyExists)
+		{
+		User::LeaveIfError(writer.Replace(myFs, aFileName, EFileStreamText|EFileWrite));
+		writer.CommitL();
+		CleanupStack::PopAndDestroy(&writer); // writer
+
+		CIniData* myData=CIniData::NewL(aFileName);
+		CleanupStack::PushL(myData);
+
+		TBuf<255> tempStore;
+		_LIT(KIntData, "%d");
+		tempStore.Format(KIntData,iTrimedMean);
+		User::LeaveIfError(myData->AddValue(KDefaultSectionName, KPerfDataTrimedMean, tempStore));
+		tempStore.Format(KIntData,iMaxTime);
+		User::LeaveIfError(myData->AddValue(KDefaultSectionName, KPerfDataMaxTime, tempStore));
+		tempStore.Format(KIntData,iMinTime);
+		User::LeaveIfError(myData->AddValue(KDefaultSectionName, KPerfDataMinTime, tempStore));
+		_LIT(KRealData, "%4.0f");
+		tempStore.Format(KRealData,iFrameRate);
+		User::LeaveIfError(myData->AddValue(KDefaultSectionName, KPerfDataFrameRate, tempStore));
+		myData->WriteToFileL();
+
+		CleanupStack::PopAndDestroy(myData);
+		}
+	else
+		{
+		CleanupStack::PopAndDestroy(&writer); // writer
+		}
+
+	myFs.Close();
+	}
+
+void CTPerfData::Construct()
+	{
+	iResults.Reset();
+	}
+
+CTPerfData::~CTPerfData()
+	{
+	iResults.Reset();
+	}
+
+void CTPerfData::AnalyseResultsL()
+	{
+	TrimedMeanL();
+	MaxTime();
+	MinTime();
+	FrameRateL();
+	}
+
+void CTPerfData::TrimedMeanL()
+	{
+	TInt64 total = 0;
+	if (iResults.Count() <= 50)
+		{
+		RDebug::Print(_L("Not enough results for trimming - need more than 50, but got %d"), iResults.Count());
+		iTrimedMean = 0;
+		}
+	else
+		{
+		TReal tempVar = iResults.Count() * 0.20;
+		TInt32 twentyPercentCount = 0;
+		User::LeaveIfError(Math::Int(twentyPercentCount, tempVar));
+
+
+
+		for (TInt count = twentyPercentCount; count < iResults.Count()-twentyPercentCount; count++)
+			{
+			total += iResults[count];
+			}
+
+		iTrimedMean = (static_cast<TUint32>(total/(iResults.Count()-(static_cast<TInt64>(twentyPercentCount)*2))));
+		}
+
+	RDebug::Print(_L("CTPerfData::TrimedMeanL - %d"), iTrimedMean);
+	}
+
+void CTPerfData::MaxTime()
+	{
+	TUint32 result = iResults[0];
+	for(TInt i = 0; i < iResults.Count(); i++)
+		{
+		if(iResults[i] > result)
+			{
+			result = iResults[i];
+			}
+		}
+	iMaxTime = result;
+
+	RDebug::Print(_L("CTPerfData::MaxTime - %d"), iMaxTime);
+	}
+
+void CTPerfData::MinTime()
+	{
+	TUint32 result = iResults[0];
+	for(TInt i = 0; i < iResults.Count(); i++)
+		{
+		if(iResults[i] < result)
+			{
+			result = iResults[i];
+			}
+		}
+	iMinTime = result;
+
+	RDebug::Print(_L("CTPerfData::MinTime - %d"), iMinTime);
+	}
+
+void CTPerfData::FrameRateL()
+	{
+	iFrameRate = 0;
+	if (iTrimedMean==0)
+		{
+		TrimedMeanL();
+		}
+	TInt counterFreq = 1;
+	User::LeaveIfError(HAL::Get(HALData::EFastCounterFrequency, counterFreq));
+
+	if (iTrimedMean)
+		{
+		iFrameRate = static_cast<TReal>(counterFreq)/iTrimedMean;
+		}
+	else
+		{
+		User::Leave(KErrAbort);
+		}
+
+	RDebug::Print(_L("CTPerfData::FrameRate - %4.0f"), iFrameRate);
+	}