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D3DKMT_ADAPTER_PERFDATA structure (d3dkmthk.h)

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Contains input arguments for the D3DKMTQueryAdapterInfo function. Represents performance data collected per adapter on an interval basis.

Syntax

typedef struct _D3DKMT_ADAPTER_PERFDATA {
  UINT32                   PhysicalAdapterIndex;
  D3DKMT_ALIGN64 ULONGLONG MemoryFrequency;
  D3DKMT_ALIGN64 ULONGLONG MaxMemoryFrequency;
  D3DKMT_ALIGN64 ULONGLONG MaxMemoryFrequencyOC;
  D3DKMT_ALIGN64 ULONGLONG MemoryBandwidth;
  D3DKMT_ALIGN64 ULONGLONG PCIEBandwidth;
  ULONG                    FanRPM;
  ULONG                    Power;
  ULONG                    Temperature;
  UCHAR                    PowerStateOverride;
} D3DKMT_ADAPTER_PERFDATA;

Members

PhysicalAdapterIndex

The physical adapter index in the LDA (linked display adapter) chain.

MemoryFrequency

Clock frequency of the memory, represented in hertz.

MaxMemoryFrequency

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

MaxMemoryFrequencyOC

Max clock frequency of the memory while overclocked, represented 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.

Requirements

Requirement Value
Header d3dkmthk.h