beorn7 d566808d40 Bring back logging of discarded samples
But only on DEBUG level.

Also, count and report the two cases of out-of-order timestamps on the
one hand and same timestamp but different value on the other hand
separately.
2016-04-25 16:43:52 +02:00
..
2015-11-05 11:23:43 +01:00
2016-04-13 16:08:22 +02:00