bmel:percentileLatency¶
Category: LLM & AI Observability · Returns: bmel:number
bmel:percentileLatency(latencies: bmel:array<number>, p: bmel:number)
Description¶
Returns the p-th percentile latency from an array of latency measurements (in milliseconds). Semantically equivalent to bmel:percentileOf but named for the LLM observability context where p99, p95, and p50 are the canonical SLA metrics. p must be between 0 and 100 inclusive.
Arguments¶
| Parameter | Type | Required | Description |
|---|---|---|---|
latencies | bmel:array<number> | ✅ | Array of latency measurements in milliseconds. |
p | bmel:number | ✅ | Percentile to compute (0-100). Common values: 50 (median), 95 (p95), 99 (p99). |
Example¶
bmel:percentileLatency({batch:Response Payload}.$.latencies, 99)