Added seconds unit (#1179)

jkohen · Bogdan Drutu · commit 3b5a343282fe · 2019-10-15T12:20:41.000-07:00
diff --git a/stats/units.go b/stats/units.go
@@ -22,4 +22,5 @@ const (
 	UnitDimensionless = "1"
 	UnitBytes         = "By"
 	UnitMilliseconds  = "ms"
+	UnitSeconds       = "s"
 )
