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diff --git a/PxShared/src/foundation/include/PsTime.h b/PxShared/src/foundation/include/PsTime.h
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+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and related documentation and
+// any modifications thereto. Any use, reproduction, disclosure, or
+// distribution of this software and related documentation without an express
+// license agreement from NVIDIA Corporation is strictly prohibited.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#ifndef PSFOUNDATION_PSTIME_H
+#define PSFOUNDATION_PSTIME_H
+
+#include "Ps.h"
+
+#if PX_LINUX || PX_ANDROID
+#include <time.h>
+#endif
+
+namespace physx
+{
+namespace shdfnd
+{
+
+struct CounterFrequencyToTensOfNanos
+{
+	uint64_t mNumerator;
+	uint64_t mDenominator;
+	CounterFrequencyToTensOfNanos(uint64_t inNum, uint64_t inDenom) : mNumerator(inNum), mDenominator(inDenom)
+	{
+	}
+
+	// quite slow.
+	uint64_t toTensOfNanos(uint64_t inCounter) const
+	{
+		return (inCounter * mNumerator) / mDenominator;
+	}
+};
+
+class PX_FOUNDATION_API Time
+{
+  public:
+	typedef double Second;
+	static const uint64_t sNumTensOfNanoSecondsInASecond = 100000000;
+	// This is supposedly guaranteed to not change after system boot
+	// regardless of processors, speedstep, etc.
+	static const CounterFrequencyToTensOfNanos& getBootCounterFrequency();
+
+	static CounterFrequencyToTensOfNanos getCounterFrequency();
+
+	static uint64_t getCurrentCounterValue();
+
+	// SLOW!!
+	// Thar be a 64 bit divide in thar!
+	static uint64_t getCurrentTimeInTensOfNanoSeconds()
+	{
+		uint64_t ticks = getCurrentCounterValue();
+		return getBootCounterFrequency().toTensOfNanos(ticks);
+	}
+
+	Time();
+	Second getElapsedSeconds();
+	Second peekElapsedSeconds();
+	Second getLastTime() const;
+
+  private:
+#if PX_LINUX || PX_ANDROID || PX_APPLE_FAMILY || PX_PS4
+	Second mLastTime;
+#else
+	int64_t mTickCount;
+#endif
+};
+} // namespace shdfnd
+} // namespace physx
+
+#endif // #ifndef PSFOUNDATION_PSTIME_H