Technologies/LangChain/langchain_tool_time
LangChainLangChainMetric

langchain_tool_time

Duration of a tool invocation within an agent
Dimensions:None
Available on:OpenTelemetryOpenTelemetry (1)
Interface Metrics (1)
OpenTelemetryOpenTelemetry
Duration of a tool invocation within an agent
Dimensions:None
Sources
langchain.tool.durationopentelemetry.io
Related Insights (2)
Tool Execution Timeout Cascadewarning

Tool executions that timeout continue chain processing with missing data, causing downstream errors or poor quality outputs without clear failure signals.

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Agent Intermediate Steps Explosionwarning

langchain_agent_intermediate_steps counts reasoning/tool-use iterations. Unbounded growth indicates agents spinning on complex tasks, inefficient tool selection, or poor stopping criteria, driving up latency and cost.

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