YueGuobin 82fc7f2bd1
debug: add per-command timing to _connect_nio ubridge calls
Temporary diagnostic instrumentation to measure the wall-clock time of
each ubridge command during NIO addition (add_nio_udp, bridge start,
filters, markers).  The logs will reveal whether the 12-NIO/s
throughput stems from ubridge command latency itself or from lock
contention / HTTP overhead outside _connect_nio.
2026-08-10 22:45:32 +08:00
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