Trace (opentelemetry-lwt.Opentelemetry

include module type of struct include Opentelemetry.Trace end

Traces.

type span = Opentelemetry.Span.t

val make_resource_spans : 
  ?service_name:string ->
  ?attrs:
    (string * [< `Bool of bool | `Int of int | `None | `String of string ])
      list ->
  Opentelemetry.Proto.Trace.span list ->
  Opentelemetry.Proto.Trace.resource_spans

type scope = Opentelemetry.Trace.scope = {

trace_id : Opentelemetry.Trace_id.t;

span_id : Opentelemetry.Span_id.t;

mutable events : Opentelemetry.Event.t list;

}

Scope to be used with with_.

val add_event : scope -> ( unit -> Opentelemetry.Event.t ) -> unit

Add an event to the scope. It will be aggregated into the span.

Note that this takes a function that produces an event, and will only call it if there is an instrumentation backend.

val emit : 
  ?service_name:string ->
  ?attrs:
    (string * [< `Bool of bool | `Int of int | `None | `String of string ])
      list ->
  span list ->
  unit Lwt.t

Emit asynchronously

val with_ : 
  ?trace_state:string ->
  ?service_name:string ->
  ?attrs:Span.key_value list ->
  ?kind:Span.kind ->
  ?trace_id:Trace_id.t ->
  ?parent:Span.id ->
  ?links:(Opentelemetry.Trace_id.t * Opentelemetry.Span_id.t * string) list ->
  string ->
  ( Opentelemetry.Trace.scope -> 'a Lwt.t ) ->
  'a Lwt.t

Sync span guard