Module pstate 

The GPU performance state APIs are used to get and set various performance levels on a per-GPU basis. P-States are GPU active/executing performance capability and power consumption states.

P-States range from P0 to P15, with P0 being the highest performance/power state, and P15 being the lowest performance/power state. Each P-State maps to a performance level. Not all P-States are available on a given system. The definition of each P-States are currently as follows:

• P0/P1 Maximum 3D performance
• P2/P3 Balanced 3D performance-power
• P8 Basic HD video playback
• P10 DVD playback
• P12 Minimum idle power consumption

Modules

private

Undocumented API

Structs

NV_GPU_DYNAMIC_PSTATES_INFO_EX

Used in NvAPI_GPU_GetDynamicPstatesInfoEx().

NV_GPU_DYNAMIC_PSTATES_INFO_EX_UTILIZATION

NV_GPU_PERF_PSTATE20_BASE_VOLTAGE_ENTRY_V1

NV_GPU_PERF_PSTATES20_INFO_V1

Used in NvAPI_GPU_GetPstates20() interface call.

NV_GPU_PERF_PSTATES20_INFO_V2

Used in NvAPI_GPU_GetPstates20() interface call.

NV_GPU_PERF_PSTATES20_PARAM_DELTA

Used to describe both voltage and frequency deltas

NV_GPU_PERF_PSTATES20_PSTATE

Performance state (P-State) settings

NV_GPU_PSTATE20_CLOCK_ENTRY_DATA

NV_GPU_PSTATE20_CLOCK_ENTRY_RANGE

NV_GPU_PSTATE20_CLOCK_ENTRY_SINGLE

NV_GPU_PSTATE20_CLOCK_ENTRY_V1

Used to describe single clock entry

Enums

NV_GPU_PSTATE20_CLOCK_ENTRY_DATA_VALUE

PstateClockType

Used to identify clock type

PstateId

UtilizationDomain

Domain index into NV_GPU_DYNAMIC_PSTATES_INFO_EX.utilization.

VoltageInfoDomain

Constants

NVAPI_GPU_PERF_PSTATE20_CLOCK_TYPE_RANGE

Clock domains that allow range of frequency values within given pstate

NVAPI_GPU_PERF_PSTATE20_CLOCK_TYPE_SINGLE

Clock domains that use single frequency value within given pstate

NVAPI_GPU_PERF_PSTATE_ALL

NVAPI_GPU_PERF_PSTATE_P0

NVAPI_GPU_PERF_PSTATE_P1

NVAPI_GPU_PERF_PSTATE_P2

NVAPI_GPU_PERF_PSTATE_P3

NVAPI_GPU_PERF_PSTATE_P4

NVAPI_GPU_PERF_PSTATE_P5

NVAPI_GPU_PERF_PSTATE_P6

NVAPI_GPU_PERF_PSTATE_P7

NVAPI_GPU_PERF_PSTATE_P8

NVAPI_GPU_PERF_PSTATE_P9

NVAPI_GPU_PERF_PSTATE_P10

NVAPI_GPU_PERF_PSTATE_P11

NVAPI_GPU_PERF_PSTATE_P12

NVAPI_GPU_PERF_PSTATE_P13

NVAPI_GPU_PERF_PSTATE_P14

NVAPI_GPU_PERF_PSTATE_P15

NVAPI_GPU_PERF_PSTATE_UNDEFINED

NVAPI_GPU_PERF_VOLTAGE_INFO_DOMAIN_CORE

NVAPI_GPU_PERF_VOLTAGE_INFO_DOMAIN_UNDEFINED

NVAPI_GPU_UTILIZATION_DOMAIN_BUS

NVAPI_GPU_UTILIZATION_DOMAIN_FB

NVAPI_GPU_UTILIZATION_DOMAIN_GPU

NVAPI_GPU_UTILIZATION_DOMAIN_VID

NVAPI_MAX_GPU_PSTATE20_BASE_VOLTAGES

NVAPI_MAX_GPU_PSTATE20_CLOCKS

NVAPI_MAX_GPU_PSTATE20_PSTATES

NVAPI_MAX_GPU_UTILIZATIONS

NV_GPU_DYNAMIC_PSTATES_INFO_EX_VER

NV_GPU_PERF_PSTATES20_INFO_VER

NV_GPU_PERF_PSTATES20_INFO_VER1

NV_GPU_PERF_PSTATES20_INFO_VER2

NV_GPU_PERF_PSTATES20_INFO_VER3

Functions

NvAPI_GPU_GetCurrentPstate^⚠

This function retrieves the current performance state (P-State).

NvAPI_GPU_GetDynamicPstatesInfoEx^⚠

This API retrieves the NV_GPU_DYNAMIC_PSTATES_INFO_EX structure for the specified physical GPU.

NvAPI_GPU_GetPstates20^⚠

This API retrieves all performance states (P-States) 2.0 information.

Type Aliases

GPU_GetCurrentPstateFn

GPU_GetDynamicPstatesInfoExFn

GPU_GetPstates20Fn

NV_GPU_PERF_PSTATE20_CLOCK_TYPE_ID

Used to identify clock type

NV_GPU_PERF_PSTATES20_INFO

NV_GPU_PERF_PSTATE_ID

NV_GPU_PERF_VOLTAGE_INFO_DOMAIN_ID

NV_GPU_UTILIZATION_DOMAIN_ID

Domain index into NV_GPU_DYNAMIC_PSTATES_INFO_EX.utilization.