What does the Latency graph show?
The Latency graph provides latency statistics, in milliseconds (ms), for volumes, volume groups, pools, applications, and workloads. This graph appears in the Logical View, Physical View, and Applications & Workloads View tabs.
Latency refers to any delay that occurs as data is read or written. Hover your cursor over a point on the graph to view the following values, in milliseconds (ms), for that point in time:
Average I/O size.