ret[t] = append(ret[t], stackTrace)
			}
		case record:
			save(line)
		default:
			z := goroutinesRE.FindStringSubmatch(line)
			if len(z) == 3 {
				if z[2] != "" {
					a, _ := strconv.Atoi(z[2])
					t = time.Duration(a) * time.Minute
					save(line)
					record = true
				} else {
					skip = true
				}
			}
		}
	}

	return ret, nil
}

const helpUsage = `

				continue
			}
			parts := 1
			multipart := false
			s := strings.Split(object.ETag, "-")
			switch len(s) {
			case 1:
				// nothing to do
			case 2:
				if p, err := strconv.Atoi(s[1]); err == nil {
					parts = p
				} else {
					log.Println("FAILED: ETAG of", objFullPath(object), "has a wrong format:", err)
					continue
				}
				multipart = true
			default: