do not allow log_unix_epoch=1 with single-record histogram log
and no log_hist_msec parameter, because then we have no way of
estimating when the test started in absolute time.
elif len(intervals) > 1:
(second_timestamp, _, _, _) = intervals[1]
start_time = first_timestamp - (second_timestamp - first_timestamp)
elif len(intervals) > 1:
(second_timestamp, _, _, _) = intervals[1]
start_time = first_timestamp - (second_timestamp - first_timestamp)
+ else:
+ raise FioHistoLogExc('no way to estimate test start time')
(end_timestamp, _, _, _) = intervals[-1]
return (intervals, start_time, end_timestamp)
(end_timestamp, _, _, _) = intervals[-1]
return (intervals, start_time, end_timestamp)