--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/traceservices/tracefw/ost_trace_api/unit_test/te_ost/src/te_kerneltimer.cpp	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.cpp
+ @internalTechnology
+ @prototype
+*/
+
+#include "te_kerneltimer.h"
+#include "te_traceglobals.h"
+
+	
+TKernelTimer::TKernelTimer()
+: iTimer((NTimerFn)FinishTiming,this)
+	{}
+
+TKernelTimer::~TKernelTimer()
+	{
+	iTimer.Cancel();
+	}
+
+TInt TKernelTimer::StartBackgroundTimer()
+	{	
+    // wait for next tick...
+	 WaitForNextTick();
+
+	 // do benchmark...
+    iCount = 0;
+    iFinalCount = 0;    
+    iTimerExpired = EFalse;
+    //TimerTicks does it in milliseconds, not microseconds!!!
+    iTimer.OneShot(NKern::TimerTicks(KTimerDuration / KMicroToNanoSecondConversion));
+    return KErrNone;
+	}
+	
+TUint32 TKernelTimer::FinalTime()
+	{
+	return (KTimerDuration * (TUint32) KMicroToNanoSecondConversion) / (TUint32)iFinalCount;
+	}
+
+void TKernelTimer::FinishTiming(TKernelTimer* aSelf)
+     {
+     aSelf->iTimerExpired = ETrue;
+     aSelf->iFinalCount = aSelf->iCount;
+     }
+
+void TKernelTimer::WaitForNextTick()
+	{
+	TInt tick = NKern::TickCount();
+	while( NKern::TickCount() == tick ){}
+	}