Tracing - github.com/dsisnero/tracing.cr 0.5.2

Constants

DEFAULT_BUFFERED_LINES_LIMIT = 128000

DEFAULT_MAX_LEVEL = LevelFilter.info

VERSION = "0.5.1"

child_span(parent_id : Core::Span::Id, level : Level, name : String, **fields) : Span

Create a new span as a child of the given parent span ID.

create_default_writer

debug(name : String, **fields) : Nil

Level shorthand: dispatch an event at DEBUG level.

error(name : String, **fields) : Nil

Level shorthand: dispatch an event at ERROR level.

event(level : Level, name : String, *, target : String | Nil = nil, **fields) : Nil

Dispatch an event with the current subscriber.

Usage: Tracing.event(Level::INFO, "my_event", key: "value")

fmt

fmt_layer

info(name : String, **fields) : Nil

Level shorthand: dispatch an event at INFO level.

instrument(name : String, **fields, & : -> T) : T forall T

Wrap a block in a span context.

Ported from upstream #[instrument] attribute.

Usage: Tracing.instrument("my_func", arg: value) do # work happens inside span "my_func" end

span(level : Level, name : String, *, target : String | Nil = nil, **fields) : Span

Create a new span with the current subscriber.

Usage: span = Tracing.span(Level::INFO, "my_span", answer: 42) span.in_scope { do_work }

trace(name : String, **fields) : Nil

Level shorthand: dispatch an event at TRACE level.

warn(name : String, **fields) : Nil

Level shorthand: dispatch an event at WARN level.