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我之前对Valve的印象一直就是”卖游戏的Steam“和”那个十几年不出3的公司“。 但这两年仔细看Valve在Linux底层技术上的投入，真的是堪称疯狂了。 调度层：sched_ext + SCX-LAVD sched_ext是什么？ 这是一个允许用eBPF来写进程调度器的框架，2024年终于合并进Linux 6.12主线内核了。