245     def __init__(self, control, args, resultdir, label, user, machines,  argument
314         self.machines = machines
340                     'hostname' : ','.join(machines),
487         if not self.machines:
503         if not self.machines:
519         if not self.machines:
535         if not self.machines:
585     def _make_parallel_wrapper(self, function, machines, log):  argument
594         if (machines and isinstance(machines, list)
595             and isinstance(machines[0], dict)):
596             machines = [m['hostname'] for m in machines]
597         if len(machines) > 1 and log:
612     def parallel_simple(self, function, machines, log=True, timeout=None,  argument
631         wrapper = self._make_parallel_wrapper(function, machines, log)
633                 wrapper, machines,
638     def parallel_on_machines(self, function, machines, timeout=None):  argument
647         results = self.parallel_simple(function, machines, timeout=timeout,
650         for result, machine in zip(results, machines):
755         machines = self.machines
810                                     'autotest packages on %s', machines)
869             if machines and (collect_crashdumps or collect_crashinfo):
920         self.parallel_simple(serial, self.machines)
939             self.parallel_simple(serial, self.machines)
1435         if len(self.machines) > 1:
1436             machines_text = '\n'.join(self.machines) + '\n'
1531         if len(self.machines) > 1:
1533             for host in self.machines: