'Signal that the job should monitor disk space usage on /
and generate a warning if a test uses up disk space at a
rate exceeding \'max_rate\'.
Parameters:
max_rate - the maximium allowed rate of disk consumption
during a test, in MB/hour, or 0 to indicate
no limit.'

def monitor_disk_usage(self, max_rate):

    self._max_disk_usage_rate = max_rate
