React Native CDP Status

SystemInfo Domain

The SystemInfo domain defines methods and events for querying low-level system information.

Experimental

Methods

SystemInfo.getFeatureState
SystemInfo.getInfo
SystemInfo.getProcessInfo

Types

SystemInfo.GPUDevice
SystemInfo.GPUInfo
SystemInfo.ImageDecodeAcceleratorCapability
SystemInfo.ImageType
SystemInfo.ProcessInfo
SystemInfo.Size
SystemInfo.SubsamplingFormat
SystemInfo.VideoDecodeAcceleratorCapability
SystemInfo.VideoEncodeAcceleratorCapability

Methods

SystemInfo.getFeatureState #

Returns information about the feature state.

Parameters

featureState

string

Return object

featureEnabled

boolean

SystemInfo.getInfo #

Returns information about the system.

Return object

gpu

GPUInfo

Information about the GPUs on the system.

modelName

string

A platform-dependent description of the model of the machine. On Mac OS, this is, for example, 'MacBookPro'. Will be the empty string if not supported.

modelVersion

string

A platform-dependent description of the version of the machine. On Mac OS, this is, for example, '10.1'. Will be the empty string if not supported.

commandLine

string

The command line string used to launch the browser. Will be the empty string if not supported.

SystemInfo.getProcessInfo #

Returns information about all running processes.

Return object

processInfo

array[ ProcessInfo ]

An array of process info blocks.

Types

SystemInfo.GPUDevice #

Describes a single graphics processor (GPU).

Type: object

Properties

vendorId

number

PCI ID of the GPU vendor, if available; 0 otherwise.

deviceId

number

PCI ID of the GPU device, if available; 0 otherwise.

subSysId
Optional

number

Sub sys ID of the GPU, only available on Windows.

revision
Optional

number

Revision of the GPU, only available on Windows.

vendorString

string

String description of the GPU vendor, if the PCI ID is not available.

deviceString

string

String description of the GPU device, if the PCI ID is not available.

driverVendor

string

String description of the GPU driver vendor.

driverVersion

string

String description of the GPU driver version.

SystemInfo.GPUInfo #

Provides information about the GPU(s) on the system.

Type: object

Properties

devices

array[ GPUDevice ]

The graphics devices on the system. Element 0 is the primary GPU.

auxAttributes
Optional

object

An optional dictionary of additional GPU related attributes.

featureStatus
Optional

object

An optional dictionary of graphics features and their status.

driverBugWorkarounds

array[ string ]

An optional array of GPU driver bug workarounds.

videoDecoding

array[ VideoDecodeAcceleratorCapability ]

Supported accelerated video decoding capabilities.

videoEncoding

array[ VideoEncodeAcceleratorCapability ]

Supported accelerated video encoding capabilities.

imageDecoding

array[ ImageDecodeAcceleratorCapability ]

Supported accelerated image decoding capabilities.

SystemInfo.ImageDecodeAcceleratorCapability #

Describes a supported image decoding profile with its associated minimum and maximum resolutions and subsampling.

Type: object

Properties

imageType

ImageType

Image coded, e.g. Jpeg.

maxDimensions

Size

Maximum supported dimensions of the image in pixels.

minDimensions

Size

Minimum supported dimensions of the image in pixels.

subsamplings

array[ SubsamplingFormat ]

Optional array of supported subsampling formats, e.g. 4:2:0, if known.

SystemInfo.ImageType #

Image format of a given image.

Type: string

Allowed values: jpeg, webp, unknown

SystemInfo.ProcessInfo #

Represents process info.

Type: object

Properties

type

string

Specifies process type.

id

integer

Specifies process id.

cpuTime

number

Specifies cumulative CPU usage in seconds across all threads of the process since the process start.

SystemInfo.Size #

Describes the width and height dimensions of an entity.

Type: object

Properties

width

integer

Width in pixels.

height

integer

Height in pixels.

SystemInfo.SubsamplingFormat #

YUV subsampling type of the pixels of a given image.

Type: string

Allowed values: yuv420, yuv422, yuv444

SystemInfo.VideoDecodeAcceleratorCapability #

Describes a supported video decoding profile with its associated minimum and maximum resolutions.

Type: object

Properties

profile

string

Video codec profile that is supported, e.g. VP9 Profile 2.

maxResolution

Size

Maximum video dimensions in pixels supported for this |profile|.

minResolution

Size

Minimum video dimensions in pixels supported for this |profile|.

SystemInfo.VideoEncodeAcceleratorCapability #

Describes a supported video encoding profile with its associated maximum resolution and maximum framerate.

Type: object

Properties

profile

string

Video codec profile that is supported, e.g H264 Main.

maxResolution

Size

Maximum video dimensions in pixels supported for this |profile|.

maxFramerateNumerator

integer

Maximum encoding framerate in frames per second supported for this |profile|, as fraction's numerator and denominator, e.g. 24/1 fps, 24000/1001 fps, etc.

maxFramerateDenominator

integer