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vllm.v1.metrics.utils

create_metric_per_engine 

create_metric_per_engine(
    metric: PromMetric,
    per_engine_labelvalues: dict[int, list[object]],
) -> dict[int, PromMetric]

Create a labeled metric child for each engine index.

Source code in vllm/v1/metrics/utils.py 
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def create_metric_per_engine(
    metric: PromMetric,
    per_engine_labelvalues: dict[int, list[object]],
) -> dict[int, PromMetric]:
    """Create a labeled metric child for each engine index."""
    return {
        idx: metric.labels(*labelvalues)
        for idx, labelvalues in per_engine_labelvalues.items()
    }