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Working further with ghz I observed strange values in the csv report.
There are four fields in the report: Timestamp, Latency, Status and Error. The problem is that sometimes latency doesn't correspond to status. F.e., I have a row with DeadlineExceeded status, but latency (350 ms) is still inside specified client timeout (500ms) which makes no sense.
It turns out there's a bug in the reporter. If there're errors during the test they are not counted in
lats
array. However, both errors and oks are recorded instatuses
array. So, the index inlats
doesn't always correspond to the index in other stat arrays.This PR fixes the problem. Details array is recorded right away during background report processing. Then filtering is used to compute percentiles of successful requests.