https://answer.freetools.me/tags/cfs/ Recent content in CFS on Answer Hugo -- 0.152.2 zh-cn Thu, 05 Mar 2026 16:46:42 +0800 https://answer.freetools.me/%E8%BF%9B%E7%A8%8B%E8%B0%83%E5%BA%A6%E4%B8%BA%E4%BB%80%E4%B9%88linux%E6%94%BE%E5%BC%83%E4%BA%86o1%E7%9A%84%E5%AE%8C%E7%BE%8E%E6%97%B6%E9%97%B4%E5%A4%8D%E6%9D%82%E5%BA%A6/ Thu, 05 Mar 2026 16:46:42 +0800 https://answer.freetools.me/%E8%BF%9B%E7%A8%8B%E8%B0%83%E5%BA%A6%E4%B8%BA%E4%BB%80%E4%B9%88linux%E6%94%BE%E5%BC%83%E4%BA%86o1%E7%9A%84%E5%AE%8C%E7%BE%8E%E6%97%B6%E9%97%B4%E5%A4%8D%E6%9D%82%E5%BA%A6/ 从1991年Linus Torvalds写下的20行调度代码，到2023年EEVDF取代统治十六年的CFS，Linux进程调度器的演进揭示了操作系统中看似已"解决"的问题如何在多核时代重新变得复杂。本文深入剖析O(1)调度器为何失败、CFS如何用O(log n)换取公平性、以及EEVDF如何用虚拟截止时间解决延迟困境。