// but it does validate that the event is a regular
// event with a timestamp (vs. a structural event).
//
// It requires that the event its reading be timed, which must
// be the case for every event in a plain EventBatch.
func readTimedBaseEvent(b []byte, e *baseEvent) (int, timestamp, error) {
	// Get the event type.
	typ := event.Type(b[0])
	specs := go122.Specs()
	if int(typ) >= len(specs) {

Trace Go1.22
EventBatch gen=1 m=18446744073709551615 time=7689672466239 size=5
Frequency freq=15625000
EventBatch gen=1 m=1709048 time=7689670869319 size=423
ProcStart dt=409 p=7 p_seq=1
GoStart dt=31 g=34 g_seq=1
GoStop dt=291990 reason_string=16 stack=50
GoStart dt=21 g=34 g_seq=2
GoStop dt=315853 reason_string=16 stack=50
GoStart dt=30 g=34 g_seq=3
GoUnblock dt=173432 g=1 g_seq=73 stack=52
GoDestroy dt=96
GoStart dt=22 g=1 g_seq=74

	}
	return fmt.Sprintf("Invalid(%d)", typ)
}

func Specs() []event.Spec {
	return specs[:]
}

var specs = [...]event.Spec{
	// "Structural" Events.
	EvEventBatch: event.Spec{
		Name: "EventBatch",
		Args: []string{"gen", "m", "time", "size"},
	},
	EvStacks: event.Spec{
		Name: "Stacks",
	},
	EvStack: event.Spec{
		Name:    "Stack",
		Args:    []string{"id", "nframes"},
		IsStack: true,

	var wg sync.WaitGroup
	wg.Add(2)

	go func() {
		defer close(eventCh)
		wg.Wait()
	}()

	go func() {
		defer eventWatch.Stop()
		defer wg.Done()
		for {
			select {
			case <-stopChannel:
				return
			case eventEvent, ok := <-eventWatch.ResultChan():
				if !ok {
					return
				}
				eventCh <- eventEvent
			}
		}
	}()

	go func() {