【本文由小黑盒作者@北十九道街于05月10日发布，转载请标明出处！】 盒友们，你有没有想过一个问题：CPU那个“最高加速频率”到底准不准？比如标称5.0GHz，实际上每个核心能跑到的上限其实不一样，但操作系统只能猜个大概。

Linux is a powerful and flexible operating system, widely used in servers, embedded systems, and even personal computers. However, even the best-configured systems can face performance bottlenecks ...