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Overview FIDL System calls Kernel

fuchsia.cobalt

PROTOCOLS

LoggerFactory

Defined in fuchsia.cobalt/cobalt.fidl

CreateLogger

Request

Name	Type
`profile`	`ProjectProfile`
`logger`	`request<Logger>`

Response

Name	Type
`status`	`Status`

CreateLoggerSimple

Request

Name	Type
`profile`	`ProjectProfile`
`logger`	`request<LoggerSimple>`

Response

Name	Type
`status`	`Status`

CreateLoggerFromProjectName

Request

Name	Type
`project_name`	`string[64]`
`release_stage`	`ReleaseStage`
`logger`	`request<Logger>`

Response

Name	Type
`status`	`Status`

CreateLoggerSimpleFromProjectName

Request

Name	Type
`project_name`	`string[64]`
`release_stage`	`ReleaseStage`
`logger`	`request<LoggerSimple>`

Response

Name	Type
`status`	`Status`

CreateLoggerFromProjectId

Request

Name	Type
`project_id`	`uint32`
`logger`	`request<Logger>`

Response

Name	Type
`status`	`Status`

CreateLoggerSimpleFromProjectId

Request

Name	Type
`project_id`	`uint32`
`logger`	`request<LoggerSimple>`

Response

Name	Type
`status`	`Status`

LoggerBase

Defined in fuchsia.cobalt/cobalt.fidl

LoggerBase Interface

LogEvent

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`

Response

Name	Type
`status`	`Status`

LogEventCount

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`period_duration_micros`	`int64`
`count`	`int64`

Response

Name	Type
`status`	`Status`

LogElapsedTime

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`elapsed_micros`	`int64`

Response

Name	Type
`status`	`Status`

LogFrameRate

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`fps`	`float32`

Response

Name	Type
`status`	`Status`

LogMemoryUsage

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`bytes`	`int64`

Response

Name	Type
`status`	`Status`

LogString

Request

Name	Type
`metric_id`	`uint32`
`s`	`string[256]`

Response

Name	Type
`status`	`Status`

StartTimer

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`timer_id`	`string[64]`
`timestamp`	`uint64`
`timeout_s`	`uint32`

Response

Name	Type
`status`	`Status`

EndTimer

Request

Name	Type
`timer_id`	`string[64]`
`timestamp`	`uint64`
`timeout_s`	`uint32`

Response

Name	Type
`status`	`Status`

Logger

Defined in fuchsia.cobalt/cobalt.fidl

LogEvent

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`

Response

Name	Type
`status`	`Status`

LogEventCount

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`period_duration_micros`	`int64`
`count`	`int64`

Response

Name	Type
`status`	`Status`

LogElapsedTime

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`elapsed_micros`	`int64`

Response

Name	Type
`status`	`Status`

LogFrameRate

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`fps`	`float32`

Response

Name	Type
`status`	`Status`

LogMemoryUsage

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`bytes`	`int64`

Response

Name	Type
`status`	`Status`

LogString

Request

Name	Type
`metric_id`	`uint32`
`s`	`string[256]`

Response

Name	Type
`status`	`Status`

StartTimer

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`timer_id`	`string[64]`
`timestamp`	`uint64`
`timeout_s`	`uint32`

Response

Name	Type
`status`	`Status`

EndTimer

Request

Name	Type
`timer_id`	`string[64]`
`timestamp`	`uint64`
`timeout_s`	`uint32`

Response

Name	Type
`status`	`Status`

LogIntHistogram

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`histogram`	`vector<HistogramBucket>[500]`

Response

Name	Type
`status`	`Status`

LogCustomEvent

Request

Name	Type
`metric_id`	`uint32`
`event_values`	`vector<CustomEventValue>`

Response

Name	Type
`status`	`Status`

LogCobaltEvent

Request

Name	Type
`event`	`CobaltEvent`

Response

Name	Type
`status`	`Status`

LogCobaltEvents

Request

Name	Type
`events`	`vector<CobaltEvent>[64]`

Response

Name	Type
`status`	`Status`

LoggerSimple

Defined in fuchsia.cobalt/cobalt.fidl

LoggerSimple Interface

LogEvent

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`

Response

Name	Type
`status`	`Status`

LogEventCount

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`period_duration_micros`	`int64`
`count`	`int64`

Response

Name	Type
`status`	`Status`

LogElapsedTime

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`elapsed_micros`	`int64`

Response

Name	Type
`status`	`Status`

LogFrameRate

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`fps`	`float32`

Response

Name	Type
`status`	`Status`

LogMemoryUsage

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`bytes`	`int64`

Response

Name	Type
`status`	`Status`

LogString

Request

Name	Type
`metric_id`	`uint32`
`s`	`string[256]`

Response

Name	Type
`status`	`Status`

StartTimer

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`timer_id`	`string[64]`
`timestamp`	`uint64`
`timeout_s`	`uint32`

Response

Name	Type
`status`	`Status`

EndTimer

Request

Name	Type
`timer_id`	`string[64]`
`timestamp`	`uint64`
`timeout_s`	`uint32`

Response

Name	Type
`status`	`Status`

LogIntHistogram

Request

Name	Type
`metric_id`	`uint32`
`event_code`	`uint32`
`component`	`string[64]`
`bucket_indices`	`vector<uint32>[500]`
`bucket_counts`	`vector<uint64>[500]`

Response

Name	Type
`status`	`Status`

SystemDataUpdater

Defined in fuchsia.cobalt/cobalt.fidl

SetExperimentState

Request

Name	Type
`experiments`	`vector<Experiment>`

Response

Name	Type
`status`	`Status`

SetChannel

Request

Name	Type
`current_channel`	`string[256]`

Response

Name	Type
`status`	`Status`

Controller

Defined in fuchsia.cobalt/cobalt_controller.fidl

RequestSendSoon

Request

Name	Type

Response

Name	Type
`success`	`bool`

BlockUntilEmpty

Request

Name	Type
`max_wait_seconds`	`uint32`

Response

Name	Type

GetNumSendAttempts

Request

Name	Type

Response

Name	Type
`num`	`uint32`

GetFailedSendAttempts

Request

Name	Type

Response

Name	Type
`num`	`uint32`

GetNumObservationsAdded

Request

Name	Type

Response

Name	Type
`num_obs`	`uint64`

GenerateAggregatedObservations

Request

Name	Type
`day_index`	`uint32`
`report_ids`	`vector<uint32>`

Response

Name	Type
`num_obs`	`vector<uint64>`

STRUCTS

ProjectProfile

Defined in fuchsia.cobalt/cobalt.fidl

Name	Type	Description	Default
`config`	`fuchsia.mem/Buffer`		No default
`release_stage`	`ReleaseStage`		No default

CustomEventValue

Defined in fuchsia.cobalt/cobalt.fidl

Logger Interface

Name	Type	Description	Default
`dimension_name`	`string`		No default
`value`	`Value`		No default

HistogramBucket

Defined in fuchsia.cobalt/cobalt.fidl

Name	Type	Description	Default
`index`	`uint32`		No default
`count`	`uint64`		No default

CountEvent

Defined in fuchsia.cobalt/cobalt.fidl

Name	Type	Description	Default
`period_duration_micros`	`int64`		No default
`count`	`int64`		No default

Event

Defined in fuchsia.cobalt/cobalt.fidl

Name	Type	Description	Default

CobaltEvent

Defined in fuchsia.cobalt/cobalt.fidl

Name	Type	Description	Default
`metric_id`	`uint32`		No default
`event_codes`	`vector<uint32>[5]`		No default
`component`	`string[64]?`		No default
`payload`	`EventPayload`		No default

Experiment

Defined in fuchsia.cobalt/cobalt.fidl

SystemProfileUpdater Interface

Name	Type	Description	Default
`experiment_id`	`uint64`		No default
`arm_id`	`uint32`		No default

ENUMS

Status

Type: int32

Defined in fuchsia.cobalt/cobalt.fidl

Name	Value	Description
`OK`	`0`
`INVALID_ARGUMENTS`	`1`
`EVENT_TOO_BIG`	`2`
`BUFFER_FULL`	`3`
`INTERNAL_ERROR`	`-1`

ReleaseStage

Type: int32

Defined in fuchsia.cobalt/cobalt.fidl

Name	Value	Description
`GA`	`0`
`DOGFOOD`	`10`
`FISHFOOD`	`20`
`DEBUG`	`99`

UNIONS

Value

Defined in fuchsia.cobalt/cobalt.fidl

Name	Type	Description
`string_value`	`string`
`int_value`	`int64`
`double_value`	`float64`
`index_value`	`uint32`

EventPayload

Defined in fuchsia.cobalt/cobalt.fidl

Name	Type	Description
`event`	`Event`
`event_count`	`CountEvent`
`elapsed_micros`	`int64`
`fps`	`float32`
`memory_bytes_used`	`int64`
`string_event`	`string[256]`
`int_histogram`	`vector<HistogramBucket>[500]`

CONSTANTS

Name	Value	Type	Description
MAX_BYTES_PER_EVENT	`102400`	`int64`
MAX_HISTOGRAM_BUCKETS	`500`	`uint32`
MAX_BATCHED_EVENTS	`64`	`uint32`
MAX_COMPONENT_LENGTH	`64`	`uint32`
MAX_PROJECT_NAME_LENGTH	`64`	`uint32`
MAX_TIMER_ID_LENGTH	`64`	`uint32`
MAX_STRING_EVENT_SIZE	`256`	`uint32`
MAX_EVENT_CODE_COUNT	`5`	`uint32`
MAX_CHANNEL_NAME_LENGTH	`256`	`uint32`

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