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      <title>BPF：一个&#34;过期&#34;技术的十五年逆袭</title>
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      <description>从1992年Berkeley Packet Filter诞生到2014年eBPF重塑Linux内核，再到2020年代成为云原生基础设施的核心。深入解析BPF如何从网络包过滤工具演变为操作系统可编程层，剖析验证器如何保证内核安全、JIT编译如何实现原生性能、CO-RE如何解决跨内核兼容性，以及Cilium、Falco等生产级应用的技术内幕。</description>
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