strace -e read,write -p $(pidof your_serial_app)
Standard COM ports are exclusive; only one application can open a port at a time. A setup introduces a virtual multiplexer. This allows multiple applications (e.g., a logging tool, a GUI dashboard, and a control script) to read from the same physical serial device simultaneously without data collision.
strace -e read,write -p $(pidof your_serial_app)
Standard COM ports are exclusive; only one application can open a port at a time. A setup introduces a virtual multiplexer. This allows multiple applications (e.g., a logging tool, a GUI dashboard, and a control script) to read from the same physical serial device simultaneously without data collision. serialfd com top