// d3dkmdt.h

typedef struct _DXGK_ADAPTER_PERFDATA {
  ULONGLONG MemoryFrequency;
  ULONGLONG MaxMemoryFrequency;
  ULONGLONG MaxMemoryFrequencyOC;
  ULONGLONG MemoryBandwidth;
  ULONGLONG PCIEBandwidth;
  ULONG     FanRPM;
  ULONG     Power;
  ULONG     Temperature;
  UCHAR     PowerStateOverride;
} DXGK_ADAPTER_PERFDATA;
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Windows Driver Kit DDI reference (ns-d3dkmdt-_dxgk_adapter_perfdata)

_DXGK_ADAPTER_PERFDATA structure

Description

Contains the display adapter performance data.

Members

`MemoryFrequency`

Clock frequency of the requested engine, represented in hertz.

`MaxMemoryFrequency`

Max clock frequency of the memory while not overclocked, represented in hertz.

`MaxMemoryFrequencyOC`

The max frequency the engine can reach with it’s current overclock in hertz.

`MemoryBandwidth`

Amount of total memory transferred in bytes.

`PCIEBandwidth`

Amount of total memory transferred over the PCIE in bytes.

`FanRPM`

The current rpm of the main fan.

`Power`

The current power draw of the adapter in tenths of percentage, 1 = 0.1%.

`Temperature`

The main temperature sensors reading in decimal Celsius. 1 = 0.1C.

`PowerStateOverride`

Reports if the GPU is powered on with 1 otherwise it is 0. This overrides dxgkrnl’s adapter level view for a better understanding of each physical GPU that are linked together.

View the official Windows Driver Kit DDI reference

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