About Source documentation Reference

FIDL System calls Kernel

fuchsia.tracing.controller

PROTOCOLS

Controller

Defined in fuchsia.tracing.controller/trace_controller.fidl

StartTracing

Request

Name	Type
`options`	`TraceOptions`
`output`	`handle<socket>`

Response

Name	Type

StopTracing

Request

Name	Type

GetKnownCategories

Request

Name	Type

Response

Name	Type
`categories`	`vector<KnownCategory>`

STRUCTS

KnownCategory

Defined in fuchsia.tracing.controller/trace_controller.fidl

Name	Type	Description	Default
`name`	`string[100]`		No default
`description`	`string`		No default

ENUMS

BufferingMode

Type: uint8

Defined in fuchsia.tracing.controller/trace_controller.fidl

Name	Value	Description
`ONESHOT`	`0`
`CIRCULAR`	`1`
`STREAMING`	`2`

TABLES

ProviderSpec

Defined in fuchsia.tracing.controller/trace_controller.fidl

Ordinal	Name	Type	Description
1	`name`	`string[100]`
2	`buffer_size_megabytes_hint`	`uint32`

TraceOptions

Defined in fuchsia.tracing.controller/trace_controller.fidl

Provides options for the trace.

Ordinal	Name	Type	Description
1	`categories`	`vector<string>[100]`	The trace categories to record, or an empty array for all.
2	`buffer_size_megabytes_hint`	`uint32`	Suggested size of trace buffer which each provider should receive.
3	`start_timeout_milliseconds`	`uint64`	Acknowledge start request after at most `start_timeout_milliseconds`.
4	`buffering_mode`	`BufferingMode`
5	`provider_specs`	`vector<ProviderSpec>[100]`	Overrides for particular providers.

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