RegisterTraceServiceHandler registers the http handlers for service TraceService to "mux".

RegisterTraceServiceHandlerClient registers the http handlers for service TraceService to "mux".

RegisterTraceServiceHandlerFromEndpoint is same as RegisterTraceServiceHandler but automatically dials to "endpoint" and closes the connection when "ctx" gets done.

Sampler that always makes a constant decision on span sampling.

Sampler that tries to uniformly sample traces with a given probability.

Sampler that tries to sample with a rate per time window.

Global configuration of the trace service.

UnimplementedTraceServiceServer can be embedded to have forward compatible implementations.

TraceServiceClient is the client API for TraceService service.

TraceServiceServer is the server API for TraceService service.

How spans should be sampled: - Always off - Always on - Always follow the parent Span's decision (off if no parent).