How volume latency metrics are calculated

1. How latency counter would be cooked

2. Applying the thresholding where any counter ends with latency and it has a property of average or percent

• https://github.com/NetApp/harvest/blob/2c01f97758b73cfc127dfcc53ea89488693727a4/cmd/collectors/zapiperf/zapiperf.go#L866

3. Special case as applying minimum number of iops as threshold

• https://github.com/NetApp/harvest/blob/9d2818989352fcfd01977fbd7296798c5bb59468/pkg/matrix/matrix.go#L476

4. Comparison of Prometheus and/or Grafana, ONTAP CLI statistics, PAS, and System Manager screenshots for the same time period