add more important node stats (#82)

pkg/printer/bytes.go

@@ -22,10 +22,16 @@ type ByteSize struct {
 	size uint64
 }
 
-func Bytes(size int64) ByteSize {
-	return ByteSize{size: uint64(size)}
-}
-
 func (b *ByteSize) String() string {
 	return humanize.Bytes(b.size)
 }
+
+func Bytes(size int64) *ByteSize {
+	return &ByteSize{size: uint64(size)}
+}
+
+func ByteString(size int64) string {
+	b := ByteSize{size: uint64(size)}
+
+	return b.String()
+}

pkg/printer/cast.go

@@ -38,12 +38,16 @@ func any2string(in any) string {
 		return strconv.Itoa(val)
 	case float64:
 		return fmt.Sprintf("%.2f", val)
+	case float32:
+		return fmt.Sprintf("%.2f", val)
 	case []string:
 		return strings.Join(val, ",")
 	case ByteSize:
 		return val.String()
 	case time.Time:
 		return val.Format("2006-01-02 15:04:05")
+	case time.Duration:
+		return val.String()
 	case []byte:
 		return string(val)
 	case nil: