Min version	7	8 Pre RTM	8	10 Pre RTM	10 Pre RTM
Max version	7 SP1		8.1 Update 1		10 TH2
x64 offset offset:bitpos	Field Name
0x0000	struct _KPRCB * Prcb
0x0008	uint64_t PerfContext
0x0010	unsigned long PercentageCap		unsigned long PlatformCap	unsigned long NodeCap	unsigned long ProcCap
0x0014	unsigned long ThermalCap			unsigned long NodeFloor	unsigned long ProcFloor
0x0018	unsigned long TargetFrequency		unsigned long LimitReasons	unsigned long ProcCap	unsigned long PlatformCap
0x001C	unsigned long AcumulatedFullFrequency			unsigned long ProcFloor	unsigned long ThermalCap
0x0020	unsigned long AcumulatedZeroFrequency		uint64_t PlatformCapStartTime	unsigned long PlatformCap	unsigned long LimitReasons
0x0024	unsigned long FrequencyHistoryTotal	unsigned long FrequencySensitivity		unsigned long ThermalCap
0x0028	unsigned long AverageFrequency		unsigned long TargetPercent	unsigned long LimitReasons	uint64_t PlatformCapStartTime
0x002C			unsigned long DesiredPercent
0x0030			unsigned long SelectedPercent	uint64_t PlatformCapStartTime	unsigned long TargetPercent
0x0034			unsigned long SelectedFrequency		unsigned long SelectedPercent
0x0038			unsigned long PreviousFrequency	unsigned long TargetPercent	unsigned long SelectedFrequency
0x003C			unsigned long PreviousPercent	unsigned long SelectedPercent	unsigned long PreviousFrequency
0x0040			unsigned long LatestFrequencyPercent	unsigned long SelectedFrequency	unsigned long PreviousPercent
0x0044				unsigned long PreviousFrequency	unsigned long LatestFrequencyPercent
0x0048			uint64_t SelectedState	unsigned long PreviousPercent	uint64_t SelectedState
0x004C				unsigned long LatestFrequencyPercent
0x0050			uint8_t Force	uint64_t SelectedState	uint8_t Force
0x0058				uint8_t Force