Min version	8 Pre RTM		8 Pre RTM	8		10 Pre RTM		10
Max version				8.1 Update 1				10 TH2
Architecture	x86	x64	x86	x86	x64	x86	x64	x86	x64
x86 offset offset:bitpos	Field Name									x64 offset offset:bitpos
0x0000	struct _PROC_FEEDBACK_COUNTER * FrequencyCounter		uintptr_t Lock							0x0000
0x0004	struct _PROC_FEEDBACK_COUNTER * PerformanceCounter	struct _PROC_FEEDBACK_COUNTER * PerformanceCounter								0x0008
0x0008			uint64_t CyclesLast		uint64_t CyclesLast	uint64_t CyclesLast	uint64_t CyclesLast	uint64_t CyclesLast	uint64_t CyclesLast	0x0008
0x0008	volatile int64_t PerformanceScaledTime	volatile int64_t PerformanceScaledTime								0x0010
0x0010				uint64_t CyclesActive	uint64_t CyclesActive	uint64_t CyclesActive	uint64_t CyclesActive	uint64_t CyclesActive	uint64_t CyclesActive	0x0010
0x0010	volatile int64_t PerformanceScaledKernelTime	volatile int64_t PerformanceScaledKernelTime	uint64_t CyclesActive							0x0018
0x0018				struct _PROC_FEEDBACK_COUNTER *[2] Counters						0x0018
0x0018	volatile int64_t UnaccountedTime		struct _PROC_FEEDBACK_COUNTER *[3] Counters							0x0020
0x0020	uint64_t LastUpdateTime			uint64_t LastUpdateTime						0x0028
0x0028	uint64_t CyclesLast		uint64_t LastUpdateTime	uint64_t UnscaledTime						0x0030
0x0030	uint64_t CyclesActive		uint64_t UnscaledTime	volatile int64_t UnaccountedTime						0x0038
0x0038	unsigned long UserTimeLast		volatile int64_t UnaccountedTime	uint64_t[2] ScaledTime						0x0040
0x003C	unsigned long KernelTimeLast									0x0044
0x0040			uint64_t[3] ScaledTime
0x0048				uint64_t UnaccountedKernelTime						0x0050
0x0050				uint64_t PerformanceScaledKernelTime						0x0058
0x0058			uint64_t UnaccountedKernelTime	unsigned long UserTimeLast						0x0060
0x005C				unsigned long KernelTimeLast						0x0064
0x0060			uint64_t PerformanceScaledKernelTime	uint8_t KernelTimesIndex		uint64_t IdleGenerationNumberLast				0x0068
0x0068			unsigned long UserTimeLast			uint64_t HvActiveTimeLast				0x0070
0x006C			unsigned long KernelTimeLast
0x0070			uint8_t KernelTimesIndex			uint8_t KernelTimesIndex		uint64_t StallCyclesLast		0x0078
0x0078								uint64_t StallTime		0x0080
0x0080								uint8_t KernelTimesIndex		0x0088