diff -r 000000000000 -r bde4ae8d615e os/graphics/windowing/windowserver/test/t_integ/inc/t_perfdata.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/graphics/windowing/windowserver/test/t_integ/inc/t_perfdata.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,75 @@
+// 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 <e32base.h>
+
+#ifndef __T_PERF_DATA_H__
+#define __T_PERF_DATA_H__
+
+class CTPerfData : public CBase
+	{
+public:
+	IMPORT_C static CTPerfData* NewL();
+
+	/**
+	* Start performance counter. Use this to mark the
+	* point at which measurement is to start e.g. beginning
+	* of draw frame.
+	*/
+	IMPORT_C void StartCounter();
+
+	/**
+	* Stop performance counter. Call this to mark the point
+	* at which measurement is to finish e.g. end of draw
+	* frame.
+	*/
+	IMPORT_C void StopCounterL();
+
+	/**
+	* Write performance results to designated file
+	*
+	* @param	aFileName Name of file to write to
+	* @leave	System wide error code.
+	*/
+	IMPORT_C void WriteResultsL(const TDesC& aFileName);
+
+
+	~CTPerfData();
+
+private:
+	void Construct();
+	void AnalyseResultsL();
+	void TrimedMeanL();
+	void MaxTime();
+	void MinTime();
+	void FrameRateL();
+	CTPerfData() {}
+
+private:
+	RArray<TUint32> iResults;
+	TUint32 iCounter;
+	TUint32 iTrimedMean;
+	TUint32 iMaxTime;
+	TUint32 iMinTime;
+	TReal iFrameRate;
+	};
+
+#endif //__T_PERF_DATA_H__