For your second question, you could write a basic async/await Python or Rust application, then use strace and ftrace to figure out what system calls are happeni

For your second question, you could write a basic async/await Python or Rust application, then use strace and ftrace to figure out what system calls are happening and what the kernel is doing with them. https://strace.io/ https://strace.io/ https://www.kernel.org/doc/html/v5.0/trace/ftrace.html https://www.kernel.org/doc/html/v5.0/trace/ftrace.html