diff -r 000000000000 -r bde4ae8d615e os/graphics/graphicstest/graphicstestharness/inc/t_simloadutils.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/graphics/graphicstest/graphicstestharness/inc/t_simloadutils.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,78 @@
+// 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
+*/
+
+#ifndef __T_SIM_LOAD_UTILS_H__
+#define __T_SIM_LOAD_UTILS_H__
+
+#include <e32base.h>
+
+ _LIT(KDefaultSectionName, "default");
+
+class CTSimLoadAppUtils
+	{
+public:
+	/**
+	* Read in sim load type parameter from configuration file
+	* created by test step, and indicate whether the type is
+	* static.
+	*
+	* @return   ETrue if static load specified.
+				EFalse if spiked load specified
+	* @leave	KErrAbort if the load type cannot be determined,
+				otherwise a system error code.
+	*/
+	IMPORT_C static TBool IsStaticLoadL();
+
+	/**
+	* Read in the simload (as a percentage) config parameter from
+	* configuration file created by test step.
+	*
+	* @return	The simulated load that the app (in
+	*			combination with 2 other apps) is to achieve.
+	* @leave	System error code.
+	*/
+	IMPORT_C static TInt SimLoadL();
+
+	/**
+	* Given a load percentage, and seed value for delay, create a load that when
+	* combined with 2 other sim load apps produce the load percentage passed in.
+	*
+	* @param	aLoadPercentage The simulated load that the app (in
+	*			combination with 2 other apps) is to achieve.
+	* @param    aDelay Seed value which harmonises the load pattern.
+	* @leave	System wide error code
+	*/
+	IMPORT_C static void SimulateStaticLoadL(TInt aLoadPercentage, TInt aDelay);
+
+	/**
+	* Simulates a spiked load, e.g. 100% load for short period of time, at regular
+	* spaced intervals, to simulate the load produced when for example a phone
+	* call is received.
+	*/
+	IMPORT_C static void SimulateSpikedLoad();
+
+private:
+	CTSimLoadAppUtils() {}
+	static void SimulateTestLoad(TInt, TInt);
+	static TInt CalculateSimLoadL(TInt);
+	};
+
+#endif // __T_SIM_LOAD_UTILS_H__
+