The "I/O and Network Activity” and “Engine Activity” reports have been generated for a Sybase instance.
What does the "Wait Time (sec)" value means and how it is calculated?
The “Wait Time (sec)” in both reports shows the Server wide calculation including all active connections.
The “Wait Time Avg. for Period” shows wait time per sample (for example: 60sec) over a period of time (for example: 8 hours).
The events description can be found on Sybase site: