+ global_metrics.add("latency_seconds",
+ {{ "measuring_point", measuring_point },
+ { "card", card_index_str },
+ { "frame_age", frame_index_str },
+ { "frame_type", "total" }},
+ &summaries[card_index][frame_index][2],
+ (frame_index == 0) ? Metrics::PRINT_ALWAYS : Metrics::PRINT_WHEN_NONEMPTY);