timing

func Scope ¶ added in v1.28.4

func Scope(category string) (trace.Span, func())

Scope begins a span for category and makes it the parent of spans started until the returned function runs, which also ends the span. Only the sequential build path may use it, work handed to a goroutine has to name its parent with StartChild instead.

func SetTracer ¶ added in v1.28.2

func SetTracer(ctx context.Context, t trace.Tracer)

func Start ¶

func Start(category string) trace.Span

Start begins a span for category, or a noop span when the category is not traced.

func StartChild ¶ added in v1.28.3

func StartChild(parent trace.Span, category string) trace.Span

StartChild begins a span for category nested under parent.

func TracingEnabled ¶ added in v1.28.3

func TracingEnabled() bool