Pitfall Log: Fixing Modbus Multithread Deadlocks
A field note on shutdown deadlocks and timeout misjudgment in a Qt multithreaded Modbus workflow, with practical fixes.
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TrafficMonitor CPU Optimization Postmortem: An Engineering Simplification from 4% to 0.6%
A postmortem on CPU optimization under a high-frequency polling workload: by shrinking the UI logging path, removing high-frequency state machines, and fixing the wait model, CPU usage dropped from 3.6%~4.2% to 0.1%~0.6%.