Min version	8 Pre RTM	8 Pre RTM	8	10 Pre RTM	10
Max version			8.1 Update 1		10 TH2
x86 offset offset:bitpos	Field Name
0x0000	struct _PROC_FEEDBACK_COUNTER * FrequencyCounter	unsigned long Lock
0x0004	struct _PROC_FEEDBACK_COUNTER * PerformanceCounter
0x0008	volatile int64_t PerformanceScaledTime	uint64_t CyclesLast
0x0010	volatile int64_t PerformanceScaledKernelTime	uint64_t CyclesActive
0x0018	volatile int64_t UnaccountedTime	struct _PROC_FEEDBACK_COUNTER *[3] Counters	struct _PROC_FEEDBACK_COUNTER *[2] Counters
0x0020	uint64_t LastUpdateTime		uint64_t LastUpdateTime
0x0028	uint64_t CyclesLast	uint64_t LastUpdateTime	uint64_t UnscaledTime
0x0030	uint64_t CyclesActive	uint64_t UnscaledTime	volatile int64_t UnaccountedTime
0x0038	unsigned long UserTimeLast	volatile int64_t UnaccountedTime	uint64_t[2] ScaledTime
0x003C	unsigned long KernelTimeLast
0x0040		uint64_t[3] ScaledTime
0x0048			uint64_t UnaccountedKernelTime
0x0050			uint64_t PerformanceScaledKernelTime
0x0058		uint64_t UnaccountedKernelTime	unsigned long UserTimeLast
0x005C			unsigned long KernelTimeLast
0x0060		uint64_t PerformanceScaledKernelTime	uint8_t KernelTimesIndex	uint64_t IdleGenerationNumberLast
0x0068		unsigned long UserTimeLast		uint64_t HvActiveTimeLast
0x006C		unsigned long KernelTimeLast
0x0070		uint8_t KernelTimesIndex		uint8_t KernelTimesIndex	uint64_t StallCyclesLast
0x0078					uint64_t StallTime
0x0080					uint8_t KernelTimesIndex