Module `subscriber`

Collects and records trace data.

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.
metadata Metadata describing trace data.
span Spans represent periods of time in the execution of a program.
subscriber Collectors collect and record trace data.

Structs

Functions

set_default Sets the Subscriber as the default for the current thread for the duration of the lifetime of the returned DefaultGuard.
set_global_default Sets this subscriber as the global default for the duration of the entire program. Will be used as a fallback if no thread-local subscriber has been set in a thread (using with_default.)
with_default Sets this Subscriber as the default for the current thread for the duration of a closure.

Macros

identify_callsite Statically constructs an Identifier for the provided Callsite.
metadata Statically constructs new span [metadata].