Function llmTracingExample

examples/telemetry/main.go:139–174

llmTracingExample 演示 LLM 调用追踪

()

// llmTracingExample 演示 LLM 调用追踪
func llmTracingExample() {
	ctx := context.Background()
	tracer := telemetry.GetGlobalTracer()

	// 创建父 span
	ctx, parentSpan := tracer.StartSpan(ctx, "agent.process")
	defer parentSpan.End()

	// 创建 LLM 调用的子 span
	_, span := tracer.StartSpan(
		ctx,
		"llm.request",
		telemetry.WithSpanKind(telemetry.SpanKindClient),
		telemetry.WithAttributes(
			telemetry.String(telemetry.AttrLLMProvider, "anthropic"),
			telemetry.String(telemetry.AttrLLMModel, "claude-3-5-sonnet-20241022"),
			telemetry.Int(telemetry.AttrLLMMaxTokens, 4096),
		),
	)
	defer span.End()

	// 模拟 API 调用
	time.Sleep(200 * time.Millisecond)

	// 记录 token 使用情况
	span.SetAttributes(
		telemetry.Int(telemetry.AttrLLMInputTokens, 150),
		telemetry.Int(telemetry.AttrLLMOutputTokens, 80),
		telemetry.Int(telemetry.AttrLLMTotalTokens, 230),
	)

	span.AddEvent("llm.response.received")
	span.SetStatus(telemetry.StatusCodeOK, "LLM request completed")

	fmt.Println("✅ LLM tracing completed")
}

// toolTracingExample 演示工具执行追踪
func toolTracingExample() {