Embedded types should be at the top of the field list of a struct.

And there should be an empty line separating embedded fields from regular fields

collectors/numastatsMetric.go

@@ -59,6 +59,7 @@ type NUMAStatsCollectorTopolgy struct {
 
 type NUMAStatsCollector struct {
 	metricCollector
+
 	topology      []NUMAStatsCollectorTopolgy
 	config        NUMAStatsCollectorConfig
 	lastTimestamp time.Time