fixup! Add Metric.Emit

Rename Metric.Emit to Metric.Sample

Author: mstoykov

lib/executor/ramping_arrival_rate.go

@@ -482,7 +482,7 @@ func (varr RampingArrivalRate) Run(
 		// Since there aren't any free VUs available, consider this iteration
 		// dropped - we aren't going to try to recover it, but
 
-		stats.PushIfNotDone(parentCtx, out, droppedIterationMetric.Emit(time.Now(), metricTags, 1))
+		stats.PushIfNotDone(parentCtx, out, droppedIterationMetric.Sample(time.Now(), metricTags, 1))
 
 		// We'll try to start allocating another VU in the background,
 		// non-blockingly, if we have remainingUnplannedVUs...

stats/stats.go

@@ -450,8 +450,8 @@ type Metric struct {
 	Sink       Sink         `json:"-"`
 }
 
-// Emit a sample for the metric at the given time, with the provided tags and values
-func (m *Metric) Emit(t time.Time, tags *SampleTags, value float64) Sample {
+// Sample samples the metric at the given time, with the provided tags and value
+func (m *Metric) Sample(t time.Time, tags *SampleTags, value float64) Sample {
 	return Sample{
 		Time:   t,
 		Tags:   tags,