Module tracing

Expand description

Utilities to initialize and use tracing and tracing-subscriber in Lambda Functions. This module provides primitives to work with tracing and tracing-subscriber in Lambda functions.

The tracing and tracing-subscriber crates are re-exported so you don’t have to include them as direct dependencies in your projects.

Modules§

callsite: Callsites represent the source locations from which spans or events originate.
dispatcher: Dispatches trace events to Subscribers.
event: Events represent single points in time during the execution of a program.
field: Span and Event key-value data.
instrument: Attach a span to a std::future::Future.
level_filters: Trace verbosity level filtering.
metadata: Metadata describing trace data.
span: Spans represent periods of time in which a program was executing in a particular context.
subscriber: Utilities for implementing and composing tracing subscribers.

Macros§

debug: Constructs an event at the debug level.
debug_span: Constructs a span at the debug level.
enabled: Checks whether a span or event is enabled based on the provided metadata.
error: Constructs an event at the error level.
error_span: Constructs a span at the error level.
event: Constructs a new Event.
event_enabled: Tests whether an event with the specified level and target would be enabled.
info: Constructs an event at the info level.
info_span: Constructs a span at the info level.
metadata: Statically constructs new span metadata.
span: Constructs a new span.
span_enabled: Tests whether a span with the specified level and target would be enabled.
trace: Constructs an event at the trace level.
trace_span: Constructs a span at the trace level.
warn: Constructs an event at the warn level.
warn_span: Constructs a span at the warn level.

Structs§

Dispatch: Dispatch trace data to a Subscriber.
Event: Events represent single points in time where something occurred during the execution of a program.
Id: Identifies a span within the context of a subscriber.
Level: Describes the level of verbosity of a span or event.
Metadata: Metadata describing a span or event.
Span: A handle representing a span, with the capability to enter the span if it exists.

Traits§

Callsite: Trait implemented by callsites.
Instrument: Attaches spans to a std::future::Future.
Subscriber: Trait representing the functions required to collect trace data.
Value: A field value of an erased type.

Functions§

init_default_subscriber: Initialize tracing-subscriber with default logging options.

Attribute Macros§

instrument: Instruments a function to create and enter a tracing span every time the function is called.