Min version	Vista SP1		7		7		8 Pre RTM		8 Pre RTM	8		8.1 Update 1	8.1	10 Pre RTM	10 Pre RTM	10	10
Max version	Vista SP2				7 SP1								8.1 Update 1				10 TH2
Architecture	x86	x64	x86	x64	x86	x64	x86	x64	x86	x86	x64	x86	x64	x64	x64	x86	x64
x86 offset offset:bitpos	Field Name																	x64 offset offset:bitpos
0x0000	unsigned long Type		unsigned long Count				uint8_t ForceIdle					uint8_t InterfaceVersion						0x0000
0x0001							uint8_t AllowScaling		uint8_t EstimateIdleDuration			uint8_t ForceIdle						0x0001
0x0002							uint8_t PromotePercentBase		uint8_t ExitLatencyTraceEnabled			uint8_t EstimateIdleDuration						0x0002
0x0003							uint8_t DemotePercentBase					uint8_t ExitLatencyTraceEnabled						0x0003
0x0004	unsigned long Count		union <unnamed-tag> Flags				unsigned long Count		unsigned long ExitLatencyCountdown			uint8_t NonInterruptibleTransition						0x0004
0x0005																uint8_t UnaccountedTransition		0x0005
0x0006																uint8_t IdleDurationLimited		0x0006
0x0008	union <unnamed-tag> Flags		unsigned long TargetState									unsigned long ExitLatencyCountdown						0x0008
0x000C	unsigned long TargetState		unsigned long ActualState									unsigned long TargetState						0x000C
0x0010	unsigned long ActualState		unsigned long OldState						unsigned long ActualPlatformState			unsigned long ActualState						0x0010
0x0014	unsigned long OldState	unsigned long OldState	uint8_t NewlyUnparked	uint8_t NewlyUnparked			unsigned long OverrideIndex	unsigned long OverrideIndex		unsigned long OldState	unsigned long OldState	unsigned long OldState	unsigned long OldState			unsigned long OldState	unsigned long OldState	0x0014
0x0014					struct _KAFFINITY_EX TargetProcessors	struct _KAFFINITY_EX TargetProcessors			unsigned long OldState					unsigned long OverrideIndex				0x0018
0x0018	unsigned long TargetProcessors	uint64_t TargetProcessors	struct _KAFFINITY_EX TargetProcessors	struct _KAFFINITY_EX TargetProcessors			unsigned long DependencyCount		unsigned long OverrideIndex							unsigned long OverrideIndex		0x0018
0x001C							unsigned long MaximumDependencies	unsigned long MaximumDependencies		unsigned long PlatformIdleCount	unsigned long PlatformIdleCount	unsigned long ProcessorIdleCount	unsigned long ProcessorIdleCount			unsigned long ProcessorIdleCount	unsigned long ProcessorIdleCount	0x001C
0x001C	struct _PPM_IDLE_STATE[1] State	struct _PPM_IDLE_STATE[1] State							unsigned long PlatformIdleCount					unsigned long Type				0x0020
0x0020							struct _KAFFINITY_EX PrimaryProcessorMask			unsigned long ProcessorIdleCount	unsigned long ProcessorIdleCount	unsigned long Type	unsigned long Type			unsigned long Type	unsigned long Type	0x0020
0x0020					struct _PPM_IDLE_STATE[1] State	struct _PPM_IDLE_STATE[1] State			unsigned long ProcessorIdleCount									0x0040
0x0024										unsigned long Type	unsigned long Type	uint16_t ReasonFlags	uint16_t ReasonFlags			uint16_t ReasonFlags	uint16_t ReasonFlags	0x0024
0x0024			struct _PPM_IDLE_STATE[1] State	struct _PPM_IDLE_STATE[1] State					unsigned long Type									0x0040
0x0028									volatile int64_t InitiateWakeStamp	unsigned long ReasonFlags		volatile uint64_t InitiateWakeStamp	volatile uint64_t InitiateWakeStamp			volatile uint64_t InitiateWakeStamp	volatile uint64_t InitiateWakeStamp	0x0028
0x002C							struct _KAFFINITY_EX SecondaryProcessorMask	struct _KAFFINITY_EX SecondaryProcessorMask										0x0068
0x0030									long PreviousStatus	volatile int64_t InitiateWakeStamp		long PreviousStatus						0x0030
0x0034									struct _KAFFINITY_EX PrimaryProcessorMask			unsigned long PreviousCancelReason						0x0034
0x0038										long PreviousStatus	long PreviousStatus	struct _KAFFINITY_EX PrimaryProcessorMask	struct _KAFFINITY_EX PrimaryProcessorMask			struct _KAFFINITY_EX PrimaryProcessorMask	struct _KAFFINITY_EX PrimaryProcessorMask	0x0038
0x0038							struct _PROCESSOR_IDLE_DEPENDENCY * DependencyArray											0x00B0
0x003C										struct _KAFFINITY_EX PrimaryProcessorMask	struct _KAFFINITY_EX PrimaryProcessorMask							0x0040
0x003C							union _PPM_IDLE_SYNCHRONIZATION_STATE Synchronization											0x00B8
0x0040							void * Context		struct _KAFFINITY_EX SecondaryProcessorMask									0x00C0
0x0044							function * IdlePrepare	function * IdlePrepare										0x00C8
0x0044												struct _KAFFINITY_EX SecondaryProcessorMask	struct _KAFFINITY_EX SecondaryProcessorMask			struct _KAFFINITY_EX SecondaryProcessorMask	struct _KAFFINITY_EX SecondaryProcessorMask	0x00E0
0x0048							function * IdleExecute	function * IdleExecute										0x00D0
0x0048										struct _KAFFINITY_EX SecondaryProcessorMask	struct _KAFFINITY_EX SecondaryProcessorMask							0x00E8
0x004C							function * IdleComplete		function * IdlePrepare									0x00D8
0x0050							function * IdleCancel	function * IdleCancel	function * IdleExecute									0x00E0
0x0050												function * IdlePrepare						0x0188
0x0054							function * IdleIsHalted	function * IdleIsHalted										0x00E8
0x0054									function * IdleComplete	function * IdlePrepare		function * IdleExecute		function * IdlePreExecute				0x0190
0x0058							function * IdleInitiateWake	function * IdleInitiateWake	function * IdleCancel									0x00F0
0x0058										function * IdleExecute		function * IdlePreselect		function * IdleExecute				0x0198
0x005C									function * IdleIsHalted	function * IdleComplete		function * IdleTest		function * IdlePreselect				0x01A0
0x0060							struct _PROCESSOR_IDLE_CONSTRAINTS Constraints	struct _PROCESSOR_IDLE_CONSTRAINTS Constraints										0x00F8
0x0060									function * IdleInitiateWake	function * IdleCancel		function * IdleComplete		function * IdleTest				0x01A8
0x0064										function * IdleIsHalted		function * IdleCancel		function * IdleAvailabilityCheck				0x01B0
0x0068									struct _PROCESSOR_IDLE_PREPARE_INFO PrepareInfo	function * IdleInitiateWake		function * IdleIsHalted		function * IdleComplete				0x01B8
0x006C												function * IdleInitiateWake	function * IdleInitiateWake			function * IdleCancel	function * IdleCancel	0x01C0
0x0070										struct _PROCESSOR_IDLE_PREPARE_INFO PrepareInfo	struct _PROCESSOR_IDLE_PREPARE_INFO PrepareInfo			function * IdleCancel				0x01C0
0x0070												function * QueryPlatformStateResidency		function * IdleIsHalted				0x01C8
0x0074														function * IdleInitiateWake		function * IdleInitiateWake	function * IdleInitiateWake	0x01D0
0x0078												struct _PROCESSOR_IDLE_PREPARE_INFO PrepareInfo	struct _PROCESSOR_IDLE_PREPARE_INFO PrepareInfo					0x01D0
0x0078														struct _PROCESSOR_IDLE_PREPARE_INFO PrepareInfo		struct _PROCESSOR_IDLE_PREPARE_INFO PrepareInfo	struct _PROCESSOR_IDLE_PREPARE_INFO PrepareInfo	0x01D8
0x0088							struct _PPM_IDLE_STATE[1] State											0x0120
0x00B0									struct _PPM_IDLE_STATE[1] State
0x00C0										struct _PPM_IDLE_STATE[1] State	struct _PPM_IDLE_STATE[1] State							0x0218
0x00C8														struct _KAFFINITY_EX DeepIdleSnapshot				0x0230
0x00D4														struct _PERFINFO_PPM_STATE_SELECTION * Tracing				0x02D8
0x00D8												struct _PERFINFO_PPM_STATE_SELECTION * Tracing	struct _PERFINFO_PPM_STATE_SELECTION * Tracing					0x0238
0x00D8														struct _PPM_SELECTION_MENU ProcessorMenu	struct _PERFINFO_PPM_STATE_SELECTION * CoordinatedTracing			0x02E0
0x00DC												struct _PPM_IDLE_STATE[1] State	struct _PPM_IDLE_STATE[1] State					0x0240
0x00DC															struct _PPM_SELECTION_MENU ProcessorMenu	struct _PPM_SELECTION_MENU ProcessorMenu	struct _PPM_SELECTION_MENU ProcessorMenu	0x02E8
														struct _PPM_SELECTION_MENU CoordinatedMenu				0x02F0
0x00E4															struct _PPM_SELECTION_MENU CoordinatedMenu	struct _PPM_SELECTION_MENU CoordinatedMenu	struct _PPM_SELECTION_MENU CoordinatedMenu	0x02F8
														struct _PPM_COORDINATED_SELECTION CoordinatedSelection				0x0300
0x00EC															struct _PPM_COORDINATED_SELECTION CoordinatedSelection	struct _PPM_COORDINATED_SELECTION CoordinatedSelection	struct _PPM_COORDINATED_SELECTION CoordinatedSelection	0x0308
														struct _PPM_IDLE_STATE[1] State				0x0318
0x00FC															struct _PPM_IDLE_STATE[1] State			0x0320