text: #include <unistd.h>
  #include <stdio.h>
  
  static void __attribute__ ((noinline)) function() {
      asm("");
      usleep(1);
      asm("");
  }
  
  static inline void __attribute__((always_inline)) inline_function_2nd() {
      function();
  }
  
  static inline void __attribute__((always_inline)) inline_function_1st() {
      inline_function_2nd();
  }
  
  int main() {
      for (;;) { inline_function_1st(); }
      return 0;
  }
  