.

wcfs/internal/xbtree/δbtail.go

@@ -245,10 +245,12 @@ func (δBtail *ΔBtail) Track(key Key, nodePath []Node) error { // XXX Tree|Buck
 
 	path := nodePathToPath(nodePath)
 
-	pathv := []string{}
-	for _, node := range nodePath { pathv = append(pathv, vnode(node)) }
-	tracefΔBtail("\nTrack [%v] %s\n", key, strings.Join(pathv, " -> "))
-	tracefΔBtail("trackSet: %s\n", δBtail.trackSet) // XXX locking
+	if traceΔBtail {
+		pathv := []string{}
+		for _, node := range nodePath { pathv = append(pathv, vnode(node)) }
+		tracefΔBtail("\nTrack [%v] %s\n", key, strings.Join(pathv, " -> "))
+		tracefΔBtail("trackSet: %s\n", δBtail.trackSet) // XXX locking
+	}
 
 	return δBtail.track(key, path)
 }