kubernetes/staging/src/k8s.io/component-base/tracing/tracing.go

const instrumentationScope …

// Start creates spans using both OpenTelemetry, and the k8s.io/utils/trace package.
// It only creates an OpenTelemetry span if the incoming context already includes a span.
func Start(ctx context.Context, name string, attributes ...attribute.KeyValue) (context.Context, *Span) { … }

type Span …

// AddEvent adds a point-in-time event with a name and attributes.
func (s *Span) AddEvent(name string, attributes ...attribute.KeyValue) { … }

// End ends the span, and logs if the span duration is greater than the logThreshold.
func (s *Span) End(logThreshold time.Duration) { … }

// RecordError will record err as an exception span event for this span.
// If this span is not being recorded or err is nil then this method does nothing.
func (s *Span) RecordError(err error, attributes ...attribute.KeyValue) { … }

func attributesToFields(attributes []attribute.KeyValue) []utiltrace.Field { … }

// SpanFromContext returns the *Span from the current context. It is composed of the active
// OpenTelemetry and k8s.io/utils/trace spans.
func SpanFromContext(ctx context.Context) *Span { … }

// ContextWithSpan returns a context with the Span included in the context.
func ContextWithSpan(ctx context.Context, s *Span) context.Context { … }