func export(s core.EventSink, data *core.EventBatch) {
startTime := time.Now()
defer exporterDuration.
WithLabelValues(s.Name()).
Observe(float64(time.Since(startTime)) / float64(time.Microsecond))
s.ExportEvents(data)
}
func doThreeBatches(manager core.EventSink) time.Duration {
now := time.Now()
batch := core.EventBatch{
Timestamp: now,
Events: []*kube_api.Event{},
}
manager.ExportEvents(&batch)
manager.ExportEvents(&batch)
manager.ExportEvents(&batch)
elapsed := time.Now().Sub(now)
return elapsed
}