diff -r 000000000000 -r 08ec8eefde2f traceservices/tracefw/ost_trace_api/unit_test/te_ost/inc/te_kerneltimer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/traceservices/tracefw/ost_trace_api/unit_test/te_ost/inc/te_kerneltimer.h	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,67 @@
+// 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:
+// UTrace Performance Tests Kernel-Side Timer.
+//
+
+
+
+/**
+ @file te_uptkerneltimer.h
+ @internalTechnology
+ @prototype
+*/
+
+#ifndef TE_UPTKERNELTIMER_H_
+#define TE_UPTKERNELTIMER_H_
+	
+#include <kern_priv.h>
+#include <kernel.h>
+#include <platform.h>
+
+class TKernelTimer
+{
+public:
+	TKernelTimer();
+	~TKernelTimer();
+	TInt 	StartBackgroundTimer();
+	TUint32 FinalTime();
+	TBool	IsTimerExpired(){return iTimerExpired;};
+	void	IncreaseCount(){iCount++;};
+	TUint32	FinalCount(){return iFinalCount;};
+	/**
+	 * This is used by the NTimer when the timer expires.
+	 */
+     static void FinishTiming(TKernelTimer* aSelf);
+private:
+	void 	WaitForNextTick();
+private:
+	//This is all about the timer and timing a trace call... 
+	//should refactor into its own class, but it's so small so far it doesnt matter too much 
+	//This is used to set up a timer such that we can measure how long a trace call takes
+    NTimer 			iTimer;
+    //For the timer to work we need a volatile member that we can change the status of when the timer has expired
+    volatile TBool	iTimerExpired;
+    //We count how many times we could make a call to trace before the timer expires
+ 	volatile TUint32 	iCount;
+ 	//Because the iCount can be increased before we knew that the timer had expired we make sure
+ 	//that we keep the last iCount as it was when the timer expired. So iFinalCount has the
+ 	//exact count and iCount may have the corect count or may have been increased while the timer expired.
+ 	TUint32			iFinalCount;
+};
+
+
+
+#endif /*TE_UPTKERNELTIMER_H_*/
+
+