Macros

Pattern that matches an unknown MetricEventPayload member.

Structs

Enums

Error codes for MetricEventLogger operations.
A factory that is used to create a MetricEventLogger for a specific project.
A logger for events that are associated with one project’s metrics.
The variadic part of a MetricEvent.

Constants

Maximum number of events that may be logged in a single FIDL call.
The maximum size of a single Event is 100 KB.
Maximum number of experiment ids that can be provided to a single logger.
This is intended as a reasonable maximum number of histogram buckets per event.
Maximum number of event codes that can be associated with a single event.
String events should not be longer than this.

Traits

Type Definitions