kubernetes/vendor/go.opentelemetry.io/otel/trace.go

// Tracer creates a named tracer that implements Tracer interface.
// If the name is an empty string then provider uses default name.
//
// This is short for GetTracerProvider().Tracer(name, opts...)
func Tracer(name string, opts ...trace.TracerOption) trace.Tracer { … }

// GetTracerProvider returns the registered global trace provider.
// If none is registered then an instance of NoopTracerProvider is returned.
//
// Use the trace provider to create a named tracer. E.g.
//
//	tracer := otel.GetTracerProvider().Tracer("example.com/foo")
//
// or
//
//	tracer := otel.Tracer("example.com/foo")
func GetTracerProvider() trace.TracerProvider { … }

// SetTracerProvider registers `tp` as the global trace provider.
func SetTracerProvider(tp trace.TracerProvider) { … }