Telemetry : How to trace latency of agents individually

[MahorShekhar]

We are using langfuse along with Google ADK for logging purpose. We are experiencing challenges when we need to compute latency for individual agents. Issue is when one agent transfers control to other agent, second agent's span becomes nested under first agent's span. So, first agent's latency also include span latency of nested agent. And it just continues when there is transfer to other agents at further levels. So, how to compute latency of individual agents ? Is there any work around that ?

@hangfei @boyangsvl @Jacksunwei could you please assist me here ?