{"id":91263,"date":"2026-08-07T13:48:55","date_gmt":"2026-08-07T05:48:55","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/91263.html"},"modified":"2026-08-07T13:48:55","modified_gmt":"2026-08-07T05:48:55","slug":"ebpf-%e5%86%85%e6%a0%b8%e5%ae%89%e5%85%a8%e9%bb%91%e7%a7%91%e6%8a%80%ef%bc%9a%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90-tetragon-%e5%8f%8a%e5%85%b6%e5%8e%bb%e7%94%a8%e6%88%b7%e7%a9%ba%e9%97%b4-agen","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/91263.html","title":{"rendered":"eBPF \u5185\u6838\u5b89\u5168\u9ed1\u79d1\u6280\uff1a\u6df1\u5165\u89e3\u6790 Tetragon \u53ca\u5176\u201c\u53bb\u7528\u6237\u7a7a\u95f4 Agent\u201d\u6f14\u8fdb\u4e4b\u8def"},"content":{"rendered":"<p>\u968f\u7740\u4e91\u539f\u751f\u6280\u672f\u7684\u6f14\u8fdb&#xff0c;\u4f20\u7edf\u7684\u5bb9\u5668\u5b89\u5168\u5de5\u5177\u9010\u6e10\u66b4\u9732\u51fa\u6027\u80fd\u635f\u8017\u5927\u3001\u54cd\u5e94\u5ef6\u8fdf\u9ad8\u4ee5\u53ca\u9632\u5fa1\u4e0d\u5f7b\u5e95\u7b49\u7f3a\u70b9\u3002Tetragon\u2014\u2014\u7531 Isovalent&#xff08;Cilium \u56e2\u961f&#xff09;\u5f00\u6e90\u7684\u57fa\u4e8e eBPF \u7684\u5185\u6838\u7ea7\u5b89\u5168\u76d1\u63a7\u4e0e\u8fd0\u884c\u65f6\u9632\u5fa1\u5de5\u5177&#xff0c;\u6b63\u662f\u5728\u8fd9\u4e00\u80cc\u666f\u4e0b\u5e94\u8fd0\u800c\u751f\u3002<\/p>\n<p>\u672c\u6587\u5c06\u6df1\u5165\u4ecb\u7ecd Tetragon \u7684\u67b6\u6784\u539f\u7406\u3001\u6838\u5fc3\u529f\u80fd\u4e0e\u4f7f\u7528\u65b9\u6cd5&#xff0c;\u5e76\u7ed3\u5408 2026 \u5e74 Linux \u5b58\u50a8\u3001\u6587\u4ef6\u7cfb\u7edf\u3001\u5185\u5b58\u7ba1\u7406\u4e0e BPF \u5cf0\u4f1a&#xff08;LFSMMBPF&#xff09;\u7684\u6700\u65b0\u8ba8\u8bba&#xff0c;\u6df1\u5ea6\u63a2\u8ba8\u793e\u533a\u5982\u4f55\u901a\u8fc7\u7ed5\u8fc7\u7528\u6237\u7a7a\u95f4 Agent&#xff0c;\u5c06 Tetragon \u7684\u5b89\u5168\u9632\u5fa1\u80fd\u529b\u63a8\u5411\u201c\u7edd\u5bf9\u4e0d\u53ef\u6740\u6b7b\u201d\u7684\u7ec8\u6781\u5f62\u6001\u3002<\/p>\n<\/p>\n<h3>\u4e00\u3001 Tetragon \u6df1\u5ea6\u89e3\u6790&#xff1a;\u67b6\u6784\u3001\u529f\u80fd\u4e0e\u5b9e\u6218\u4f7f\u7528<\/h3>\n<p>Tetragon \u662f\u4e00\u6b3e\u8fd0\u884c\u5728 Linux \u5185\u6838\u4fa7\u7684\u9ad8\u6027\u80fd\u5b89\u5168\u76d1\u63a7\u4e0e\u5b9e\u65f6\u9632\u5fa1\u5de5\u5177\u3002\u5b83\u4e0d\u9700\u8981\u4fee\u6539\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801&#xff0c;\u5373\u53ef\u6df1\u5165 Linux \u5185\u6838\u6355\u83b7\u5404\u79cd\u5b89\u5168\u4e8b\u4ef6&#xff0c;\u5e76\u5728\u6076\u610f\u884c\u4e3a\u53d1\u751f\u7684\u7b2c\u4e00\u65f6\u95f4\u5b9e\u73b0\u5185\u6838\u7ea7\u5b9e\u65f6\u963b\u65ad&#xff08;Enforcement&#xff09;\u3002<\/p>\n<\/p>\n<h4>1. \u6838\u5fc3\u67b6\u6784\u4e0e\u5de5\u4f5c\u539f\u7406<\/h4>\n<p>\u4f20\u7edf\u5b89\u5168\u5de5\u5177&#xff08;\u5982\u65e9\u671f\u7684\u5ba1\u8ba1\u65e5\u5fd7\u5de5\u5177&#xff09;\u5927\u591a\u4f9d\u8d56\u201c\u5185\u6838\u6355\u83b7 $\\\\rightarrow$ \u62f7\u8d1d\u81f3\u7528\u6237\u7a7a\u95f4 $\\\\rightarrow$ \u5339\u914d\u5206\u6790 $\\\\rightarrow$ \u8fd4\u56de\u5185\u6838\u963b\u65ad\u201d\u7684\u8def\u5f84\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u5f00\u9500\u5de8\u5927&#xff0c;\u4e14\u65e0\u6cd5\u5728\u6076\u610f\u884c\u4e3a\u53d1\u751f\u7684\u7b2c\u4e00\u77ac\u95f4\u8fdb\u884c\u963b\u65ad\u3002<\/p>\n<\/p>\n<p>Tetragon \u7684\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e \u201c\u5185\u6838\u4fa7\u8fc7\u6ee4\u4e0e\u9632\u5fa1&#xff08;In-Kernel Enforcement&#xff09;\u201d&#xff1a;<\/p>\n<\/p>\n<ul>\n<li>\n<p>eBPF Kernel Component&#xff08;\u5185\u6838\u8fd0\u884c\u65f6\u89c4\u5219\u5f15\u64ce&#xff09;&#xff1a;<\/p>\n<p>\u76f4\u63a5\u6302\u8f7d\u5230\u7cfb\u7edf\u8c03\u7528&#xff08;Syscalls&#xff09;\u3001VFS&#xff08;\u865a\u62df\u6587\u4ef6\u7cfb\u7edf&#xff09;\u3001\u7f51\u7edc\u534f\u8bae\u6808\u3001\u547d\u540d\u7a7a\u95f4&#xff08;Namespaces&#xff09;\u4ee5\u53ca\u5185\u6838\u51fd\u6570&#xff08;kprobes \/ tracepoints&#xff09;\u3002\u5b83\u76f4\u63a5\u5728\u5185\u6838\u7a7a\u95f4\u5339\u914d\u89c4\u5219\u5e76\u8fdb\u884c\u8fc7\u6ee4&#xff0c;\u82e5\u68c0\u6d4b\u5230\u8fdd\u89c4\u884c\u4e3a&#xff08;\u5982\u975e\u6388\u6743\u4fee\u6539\u7cfb\u7edf\u6587\u4ef6\u3001\u8d8a\u6743\u6267\u884c Shell&#xff09;&#xff0c;\u80fd\u591f\u76f4\u63a5\u5728\u5185\u6838\u4fa7\u7ec8\u6b62\u8fdb\u7a0b&#xff08;\u53d1\u9001 SIGKILL&#xff09;\u6216\u91cd\u7f6e\u7f51\u7edc\u8fde\u63a5&#xff0c;\u5b9e\u73b0\u96f6\u5ef6\u8fdf\u9632\u5fa1\u3002<\/p>\n<\/li>\n<li>\n<p>Tetragon Agent&#xff08;\u7528\u6237\u7a7a\u95f4\u8fdb\u7a0b&#xff09;&#xff1a;<\/p>\n<p>\u8fd0\u884c\u5728\u7528\u6237\u7a7a\u95f4&#xff0c;\u8d1f\u8d23\u52a0\u8f7d eBPF \u7a0b\u5e8f\u3001\u8bfb\u53d6\u7531\u5185\u6838\u8fc7\u6ee4\u540e\u7684\u65e5\u5fd7&#xff08;\u901a\u8fc7 BPF Ring Buffer&#xff09;&#xff0c;\u5e76\u5c06\u7cfb\u7edf\u7ea7\u4e8b\u4ef6\u6620\u5c04\u5e76\u5173\u8054\u4e3a Kubernetes \u7ea7\u7684\u5143\u6570\u636e&#xff08;\u5982 Pod Name\u3001Namespace\u3001Container ID&#xff09;&#xff0c;\u6700\u7ec8\u5bf9\u63a5 SIEM \u6216\u76d1\u63a7\u7cfb\u7edf\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>2. \u56db\u5927\u6838\u5fc3\u529f\u80fd<\/h4>\n<li>\n<p>\u8fdb\u7a0b\u6267\u884c\u76d1\u63a7\u4e0e\u63d0\u6743\u68c0\u6d4b&#xff08;Process Tracking&#xff09;&#xff1a; \u6355\u83b7\u4efb\u4f55\u8fdb\u7a0b\u542f\u52a8\u3001\u547d\u4ee4\u53c2\u6570\u53d8\u5316\u3001\u547d\u540d\u7a7a\u95f4\u5207\u6362\u53ca\u6743\u9650\u63d0\u5347&#xff08;Privilege Escalation&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u5185\u6838\u7ea7\u5b9e\u65f6\u963b\u65ad&#xff08;In-Kernel Enforcement&#xff09;&#xff1a; \u914d\u5408 TracingPolicy CRD&#xff0c;\u5b9a\u4e49\u5728\u68c0\u6d4b\u5230\u653b\u51fb\u884c\u4e3a\u65f6\u76f4\u63a5\u5728\u5185\u6838\u4fa7 killing \u6389\u76ee\u6807\u8fdb\u7a0b&#xff08;SIGKILL&#xff09;\u6216\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n<\/li>\n<li>\n<p>\u6587\u4ef6\u8bbf\u95ee\u4e0e VFS \u76d1\u63a7&#xff1a; \u76d1\u63a7\u5173\u952e\u76ee\u5f55&#xff08;\u5982 \/etc\/shadow\u3001\/etc\/kubernetes\/manifests&#xff09;\u7684\u8bfb\u5199\u3001\u4fee\u6539\u4e0e\u654f\u611f\u8bbf\u95ee\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f51\u7edc\u4e0e Kubernetes \u539f\u751f\u611f\u77e5&#xff1a; \u76d1\u63a7 Socket \u8fde\u63a5\u4e0e DNS \u67e5\u8be2\u884c\u4e3a&#xff0c;\u5e76\u81ea\u52a8\u4e3a\u5185\u6838\u7ea7\u5b89\u5168\u4e8b\u4ef6\u6253\u4e0a Pod\u3001Namespace \u53ca Container ID \u7684\u4e0a\u4e0b\u6587\u6807\u53f7\u3002<\/p>\n<\/li>\n<h4>3. \u5982\u4f55\u4f7f\u7528 Tetragon<\/h4>\n<h5>&#xff08;1&#xff09;\u5728 Kubernetes \u4e2d\u5feb\u901f\u90e8\u7f72<\/h5>\n<p>\u4f7f\u7528 Helm \u53ef\u4ee5\u5c06 Tetragon Agent \u4ee5 DaemonSet \u7684\u5f62\u5f0f\u90e8\u7f72\u5230\u5404\u4e2a\u8282\u70b9&#xff1a;<\/p>\n<p># \u6dfb\u52a0 Cilium \/ Tetragon Helm \u4ed3\u5e93<br \/>\nhelm repo add cilium https:\/\/helm.cilium.io\/<br \/>\nhelm repo update<\/p>\n<p># \u5b89\u88c5 Tetragon<br \/>\nhelm install tetragon cilium\/tetragon -n kube-system<\/p>\n<h5>&#xff08;2&#xff09;\u901a\u8fc7 CLI \u5b9e\u65f6\u67e5\u770b\u5b89\u5168\u4e8b\u4ef6<\/h5>\n<p>\u5b89\u88c5\u5b8c\u6210\u540e&#xff0c;\u53ef\u4ee5\u901a\u8fc7 Tetragon \u63d0\u4f9b\u7684 tetra \u547d\u4ee4\u884c\u5de5\u5177\u67e5\u770b\u5185\u6838\u6355\u83b7\u5230\u7684\u5b9e\u65f6\u4e8b\u4ef6&#xff1a;<\/p>\n<p># \u5b9e\u65f6\u67e5\u770b\u96c6\u7fa4\u5185\u90e8\u7684\u8fdb\u7a0b\u6267\u884c\u548c\u6587\u4ef6\u8bbf\u95ee\u4e8b\u4ef6<br \/>\nkubectl exec -ti -n kube-system daemonset\/tetragon -c tetragon &#8212; tetra getevents -o compact<\/p>\n<p>\u5178\u578b\u65e5\u5fd7\u8f93\u51fa&#xff1a;<\/p>\n<p>&#x1f680; process default\/demo-pod \/usr\/bin\/curl http:\/\/example.com<br \/>\n&#x1f4c1; file    default\/demo-pod \/etc\/passwd open<\/p>\n<h5>&#xff08;3&#xff09;\u901a\u8fc7 TracingPolicy CRD \u914d\u7f6e\u5b89\u5168\u7b56\u7565<\/h5>\n<p>Tetragon \u7684\u5f3a\u5927\u4e4b\u5904\u5728\u4e8e\u53ef\u4ee5\u901a\u8fc7 Kubernetes CRD \u7075\u6d3b\u5b9a\u5236\u76d1\u63a7\u4e0e\u963b\u65ad\u89c4\u5219\u3002<\/p>\n<\/p>\n<h6>\u573a\u666f A&#xff1a;\u654f\u611f\u6587\u4ef6\u8bbf\u95ee\u76d1\u63a7&#xff08;\u4ee5 \/etc\/passwd \u4e3a\u4f8b&#xff09;<\/h6>\n<p>\u5f53\u6709\u5bb9\u5668\u5c1d\u8bd5\u4fee\u6539\u6216\u6253\u5f00\u654f\u611f\u6587\u4ef6\u65f6\u89e6\u53d1\u5b89\u5168\u544a\u8b66&#xff1a;<\/p>\n<p>apiVersion: cilium.io\/v1alpha1<br \/>\nkind: TracingPolicy<br \/>\nmetadata:<br \/>\n  name: monitor-etc-passwd<br \/>\nspec:<br \/>\n  kprobes:<br \/>\n    &#8211; call: &#034;sys_openat&#034;<br \/>\n      syscall: true<br \/>\n      args:<br \/>\n        &#8211; index: 1<br \/>\n          type: &#034;string&#034; # \u6355\u83b7\u6587\u4ef6\u8def\u5f84<br \/>\n      selectors:<br \/>\n        &#8211; matchArgs:<br \/>\n            &#8211; index: 1<br \/>\n              operator: &#034;Prefix&#034;<br \/>\n              values:<br \/>\n                &#8211; &#034;\/etc\/passwd&#034;<\/p>\n<h6>\u573a\u666f B&#xff1a;\u5185\u6838\u7ea7\u5b9e\u65f6\u963b\u65ad&#xff08;\u6740\u6389\u975e\u6cd5\u542f\u52a8 Shell \u7684\u8fdb\u7a0b&#xff09;<\/h6>\n<p>\u5982\u679c\u68c0\u6d4b\u5230\u6307\u5b9a\u5e94\u7528\u8bd5\u56fe\u6267\u884c \/bin\/bash&#xff0c;\u76f4\u63a5\u5728\u5185\u6838\u4fa7\u53d1\u9001 SIGKILL \u7ec8\u6b62\u8fdb\u7a0b&#xff1a;<\/p>\n<p>apiVersion: cilium.io\/v1alpha1<br \/>\nkind: TracingPolicy<br \/>\nmetadata:<br \/>\n  name: kill-unauthorized-shell<br \/>\nspec:<br \/>\n  kprobes:<br \/>\n    &#8211; call: &#034;sys_execve&#034;<br \/>\n      syscall: true<br \/>\n      selectors:<br \/>\n        &#8211; matchArgs:<br \/>\n            &#8211; index: 0<br \/>\n              operator: &#034;Prefix&#034;<br \/>\n              values:<br \/>\n                &#8211; &#034;\/bin\/bash&#034;<br \/>\n          matchActions:<br \/>\n            &#8211; action: Sigkill # \u5185\u6838\u4fa7\u96f6\u5ef6\u8fdf\u7ec8\u6b62\u8fdb\u7a0b<\/p>\n<p>\u90e8\u7f72\u7b56\u7565&#xff1a;<\/p>\n<p>kubectl apply -f kill-unauthorized-shell.yaml<\/p>\n<h3>\u4e8c\u3001 \u524d\u6cbf\u63a2\u7d22&#xff1a;\u6d88\u9664 Tetragon \u5bf9\u7528\u6237\u7a7a\u95f4 Agent \u7684\u4f9d\u8d56<\/h3>\n<p>\u5c3d\u7ba1\u5f53\u524d Tetragon \u67b6\u6784\u5df2\u7ecf\u8db3\u591f\u5f3a\u5927&#xff0c;\u4f46\u5b83\u4ecd\u7136\u5305\u542b\u4e00\u4e2a\u8106\u5f31\u70b9&#xff1a;\u5982\u679c\u653b\u51fb\u8005\u8bbe\u6cd5\u6740\u6b7b\u4e86\u8fd0\u884c\u5728\u7528\u6237\u7a7a\u95f4\u7684 Tetragon Agent&#xff0c;\u5b89\u5168\u5de5\u5177\u5c06\u65e0\u6cd5\u7ee7\u7eed\u5411\u8fdc\u7aef\u670d\u52a1\u7aef\u62a5\u544a\u7cfb\u7edf\u7684\u5f02\u5e38\u72b6\u51b5\u3002<\/p>\n<\/p>\n<p>\u5728 2026 \u5e74 Linux \u5b58\u50a8\u3001\u6587\u4ef6\u7cfb\u7edf\u3001\u5185\u5b58\u7ba1\u7406\u4e0e BPF \u5cf0\u4f1a\u4e0a&#xff0c;Song Liu\u3001Mah\u00e9 Tardy \u548c Liam Wiseheart \u6df1\u5165\u5206\u4eab\u4e86\u4ed6\u4eec\u6d88\u9664\u7528\u6237\u7a7a\u95f4 Agent \u4f9d\u8d56\u7684\u7814\u7a76\u8fdb\u5c55\u3002<\/p>\n<\/p>\n<h4>1. \u901a\u4fe1\u74f6\u9888\u4e0e\u65e9\u671f\u7684\u7a81\u7834\u5c1d\u8bd5<\/h4>\n<p>Wiseheart&#xff08;\u6765\u81ea Meta&#xff0c;\u81f4\u529b\u4e8e\u89e3\u51b3\u540c\u7c7b BPF \u72ec\u7acb\u8fd0\u884c\u95ee\u9898&#xff09;\u6307\u51fa&#xff0c;\u5f53\u524d Meta \u91c7\u7528\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u56fa\u5b9a&#xff08;pinning&#xff09;\u7a0b\u5e8f\u7684\u65b9\u6cd5&#xff0c;\u8fd9\u80fd\u9632\u6b62\u7528\u6237\u7a7a\u95f4\u7ec4\u4ef6\u88ab\u6740\u65f6\u7a0b\u5e8f\u88ab\u5220\u9664&#xff0c;\u4f46\u65e0\u6cd5\u6839\u6cbb\u65e5\u5fd7\u65e0\u6cd5\u4e0a\u4f20\u7684\u95ee\u9898\u3002<\/p>\n<\/p>\n<p>Tardy \u89e3\u91ca\u9053&#xff0c;Tetragon \u4e0e\u7528\u6237\u7a7a\u95f4\u7684\u4ea4\u4e92\u9ad8\u5ea6\u4f9d\u8d56\u73af\u5f62\u7f13\u51b2\u533a&#xff08;ring buffer&#xff09;&#xff1a;\u7528\u6237\u7a7a\u95f4\u7ec4\u4ef6\u8bfb\u53d6\u6d88\u606f\u3001\u53d1\u9001\u81f3\u8fdc\u7aef\u670d\u52a1\u5668\u3001\u63a5\u6536\u56de\u590d\u5e76\u653e\u56de\u7f13\u51b2\u533a\u3002\u5982\u679c BPF \u7a0b\u5e8f\u80fd\u76f4\u63a5\u4ece\u5185\u6838\u5411\u8fdc\u7a0b\u670d\u52a1\u5668\u53d1\u9001\u7f51\u7edc\u5305&#xff0c;\u4e0d\u4ec5\u6548\u7387\u66f4\u9ad8&#xff0c;\u800c\u4e14\u80fd\u5f7b\u5e95\u6446\u8131\u7528\u6237\u7a7a\u95f4 Agent \u88ab\u6740\u5bfc\u81f4\u7684\u201c\u54d1\u5df4\u201d\u98ce\u9669\u3002<\/p>\n<\/p>\n<ul>\n<li>\n<p>2025 \u5e74\u65b9\u6848&#xff1a; Tardy \u56e2\u961f\u66fe\u63d0\u51fa\u57fa\u4e8e splice() \u7684\u65b9\u6848&#xff0c;\u4f46\u7531\u4e8e\u540c\u6b65\u9009\u9879\u4e0d\u592a\u9002\u5408 BPF&#xff0c;\u672a\u88ab\u5e7f\u6cdb\u8ba4\u53ef\u3002<\/p>\n<\/li>\n<li>\n<p>netpoll \u65b9\u6848&#xff1a; \u540e\u6765\u5185\u6838\u5f00\u53d1\u8005\u5efa\u8bae\u501f\u9274 netconsole \u5e95\u5c42\u7684 netpoll \u673a\u5236\u3002netpoll \u80fd\u8ba9\u5185\u6838\u4ee3\u7801\u5728\u4efb\u4f55\u4e0a\u4e0b\u6587\u76f4\u63a5\u53d1\u9001\u6570\u636e\u5305&#xff0c;\u5e76\u7ed5\u8fc7\u5e38\u89c4\u7f51\u7edc\u534f\u8bae\u6808\u3002<\/p>\n<p>\u4ed6\u4eec\u5f00\u53d1\u4e86 bpf_netpoll_create() \u548c bpf_netpoll_send_udp() \u7b49 kfuncs\u3002\u5728\u73b0\u573a\u6f14\u793a\u4e2d&#xff0c;Tardy \u542f\u52a8\u865a\u62df\u673a\u5e76\u8fd0\u884c\u4e86\u4e00\u4e2a BPF \u7a0b\u5e8f\u5411\u5bbf\u4e3b\u673a ping \u62a5\u6587&#xff1b;\u968f\u540e\u4ed6\u6740\u6b7b\u4e86\u7528\u6237\u7a7a\u95f4 Agent&#xff0c;\u8fdc\u7aef\u63a7\u5236\u53f0\u4ecd\u7136\u6e90\u6e90\u4e0d\u65ad\u5730\u6536\u5230 BPF \u5185\u6838\u7a0b\u5e8f\u76f4\u63a5\u53d1\u6765\u7684 ping \u62a5\u6587\u4e0e\u52a0\u5bc6\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>2. UDP vs TCP&#xff1a;\u5185\u6838\u793e\u533a\u7684\u5927\u8ba8\u8bba<\/h4>\n<p>\u867d\u7136 netpoll \u65b9\u6848\u6210\u529f\u5b9e\u73b0\u4e86\u8131\u79bb Agent \u53d1\u5305&#xff0c;\u4f46\u5728\u793e\u533a\u8ba8\u8bba\u4e2d&#xff0c;Song Liu \u63d0\u5230\u6709\u4eba\u63d0\u51fa\u53cd\u9988&#xff1a;\u201cUDP \u662f\u6709\u5bb3\u7684\u201d\u3002<\/p>\n<\/p>\n<ul>\n<li>\n<p>\u53cd\u65b9\u89c2\u70b9&#xff1a; netpoll \u7ed5\u8fc7\u4e86\u6b63\u5e38\u7f51\u7edc\u534f\u8bae\u6808&#xff0c;\u5982\u679c BPF \u6d41\u91cf\u7206\u53d1&#xff0c;\u4f1a\u65e0\u9650\u5236\u5730\u62a2\u5360\u5176\u4ed6\u8fdb\u7a0b\u7684\u5e26\u5bbd\u3002\u90e8\u5206\u5f00\u53d1\u8005\u5efa\u8bae\u884d\u751f\u4e00\u4e2a\u5185\u6838\u7ebf\u7a0b&#xff08;kthread&#xff09;\u8d70\u5e38\u89c4\u7f51\u7edc\u6808&#xff0c;\u6216\u8005\u6539\u7528 TCP&#xff08;\u4ed6\u4eec\u5728\u6f14\u8bb2\u524d 10 \u5c0f\u65f6\u6d4b\u8bd5\u4e86 TCP \u7248\u672c&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u6b63\u65b9\u89c2\u70b9&#xff08;\u4e3b\u6d41&#xff09;&#xff1a; \u73b0\u573a\u5927\u591a\u6570\u5927\u4f6c\u503e\u5411\u4e8e\u4fdd\u6301\u57fa\u4e8e UDP \u7684 netpoll \u65b9\u6848\u3002<\/p>\n<p>\u00a0<\/p>\n<ul>\n<li>\n<p>Alexei Starovoitov \u89c9\u5f97\u6ca1\u5fc5\u8981\u504f\u7231 TCP&#xff0c;\u5e76\u6307\u51fa netpoll \u5728\u5185\u6838\u4e2d\u65e9\u5df2\u6210\u719f\u5b58\u5728&#xff0c;\u4e14\u53ea\u4f7f\u7528\u7f51\u5361\u5355\u4e2a\u961f\u5217&#xff0c;\u4e0d\u592a\u53ef\u80fd\u5f15\u53d1\u4e25\u91cd\u5e26\u5bbd\u707e\u96be\u3002<\/p>\n<\/li>\n<li>\n<p>John Fastabend \u8ba4\u4e3a UDP \u5bf9\u4e8e\u5b89\u5168\u65e5\u5fd7\u8bb0\u5f55\u8fd9\u4e00\u573a\u666f\u5df2\u7ecf\u5b8c\u5168\u591f\u7528\u3002<\/p>\n<\/li>\n<li>\n<p>Liam Wiseheart \u4e0e Starovoitov \u5f3a\u8c03\u4e86 netpoll \u7ed5\u8fc7\u534f\u8bae\u6808\u5e26\u6765\u7684\u8d85\u9ad8\u5065\u58ee\u6027&#xff1a;\u5373\u4f7f\u7cfb\u7edf\u7684\u7f51\u7edc\u534f\u8bae\u6808\u56e0\u4e3a\u635f\u574f\u7684\u5b89\u5168\u6a21\u5757\u6216\u786c\u4ef6\u7f3a\u9677\u800c\u762b\u75ea&#xff08;\u6bd4\u5982\u7f51\u5361\u635f\u574f\u5bfc\u81f4\u65e0\u6cd5\u63a5\u6536\u5305&#xff09;&#xff0c;netpoll \u4f9d\u7136\u80fd\u575a\u633a\u5730\u5c06\u5173\u952e\u544a\u8b66\u6570\u636e\u5305\u53d1\u9001\u51fa\u53bb\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>3. \u6700\u65b0\u8fdb\u5c55&#xff1a;\u57fa\u4e8e UDP \u5185\u6838\u5957\u63a5\u5b57\u7684\u6f14\u8fdb<\/h4>\n<p>\u5728\u5cf0\u4f1a\u8ba8\u8bba\u4e2d&#xff0c;Daniel Borkmann \u63d0\u5230\u4e86\u9a71\u52a8\u517c\u5bb9\u6027\u9690\u60a3&#xff08;Starovoitov \u4f30\u7b97\u9664 Meta \u5e38\u7528\u7684\u9a71\u52a8\u5916&#xff0c;\u7ea6 90% \u7684\u7f51\u5361\u9a71\u52a8\u5bf9 netpoll \u652f\u6301\u4e0d\u4f73\u6216\u5b58\u5728 bug&#xff09;\u3002<\/p>\n<\/p>\n<p>\u8fd9\u4e00\u672a\u7adf\u7684\u8ba8\u8bba\u4fc3\u4f7f\u56e2\u961f\u5728\u4f1a\u540e\u6301\u7eed\u653b\u5173\u3002\u6700\u7ec8\u5728\u5cf0\u4f1a\u7ed3\u675f\u540e\u7684 7 \u6708 6 \u65e5&#xff0c;Tardy \u53ca\u5176\u56e2\u961f\u63d0\u4ea4\u4e86\u4e00\u5957\u5168\u65b0\u7684\u5185\u6838\u8865\u4e01&#xff0c;\u5141\u8bb8 BPF \u7a0b\u5e8f\u76f4\u63a5\u521b\u5efa\u5e76\u4f7f\u7528 UDP \u5185\u6838\u5957\u63a5\u5b57&#xff08;UDP kernel sockets&#xff09;&#xff0c;\u5728\u6452\u5f03 netpoll \u9a71\u52a8\u4f9d\u8d56\u7684\u540c\u65f6&#xff0c;\u771f\u6b63\u8fc8\u51fa\u4e86\u201cBPF \u79bb\u7ebf\u72ec\u7acb\u5b89\u5168\u9632\u5fa1\u201d\u7684\u91cc\u7a0b\u7891\u5f0f\u4e00\u6b65\u3002<\/p>\n<\/p>\n<h3>\u4e09\u3001 \u603b\u7ed3<\/h3>\n<p>\u4ece Kubernetes \u539f\u751f\u7684\u5b89\u5168\u76d1\u63a7\u4e0e\u5185\u6838\u7ea7\u5b9e\u65f6\u963b\u65ad&#xff08;In-Kernel Enforcement&#xff09;&#xff0c;\u5230\u63a2\u7d22\u6781\u81f4\u9632\u7be1\u6539\u3001\u8131\u79bb\u7528\u6237\u7a7a\u95f4\u8fdb\u7a0b\u7684\u201c\u7eaf\u5185\u6838\u7ea7\u65e5\u5fd7\u76f4\u8fde\u201d&#xff0c;Tetragon \u53ca\u5176\u80cc\u540e\u7684 eBPF \u793e\u533a\u6b63\u5728\u91cd\u65b0\u5b9a\u4e49\u7cfb\u7edf\u5b89\u5168\u3002\u672a\u6765&#xff0c;\u968f\u7740 BPF \u76f4\u63a5\u53d1\u9001\u7f51\u7edc\u6570\u636e\u5305\u80fd\u529b\u7684\u6210\u719f&#xff0c;\u5b89\u5168\u76d1\u63a7\u5de5\u5177\u5c06\u5177\u5907\u9762\u5bf9\u8d85\u7ea7\u6743\u9650\u653b\u51fb\u8005\u65f6\u201c\u4e0d\u53ef\u88ab\u6740\u6b7b\u3001\u4e0d\u53ef\u88ab\u906e\u853d\u201d\u7684\u7ec8\u6781\u9632\u5fa1\u97e7\u6027\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"883\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260807054853-6a7571c5b8d57.png\" width=\"1176\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u968f\u7740\u4e91\u539f\u751f\u6280\u672f\u7684\u6f14\u8fdb&#xff0c;\u4f20\u7edf\u7684\u5bb9\u5668\u5b89\u5168\u5de5\u5177\u9010\u6e10\u66b4\u9732\u51fa\u6027\u80fd\u635f\u8017\u5927\u3001\u54cd\u5e94\u5ef6\u8fdf\u9ad8\u4ee5\u53ca\u9632\u5fa1\u4e0d\u5f7b\u5e95\u7b49\u7f3a\u70b9\u3002Tetragon\u2014\u2014\u7531 Isovalent&#xff08;Cilium \u56e2\u961f&#xff09;\u5f00\u6e90\u7684\u57fa\u4e8e eBPF \u7684\u5185\u6838\u7ea7\u5b89\u5168\u76d1\u63a7\u4e0e\u8fd0\u884c\u65f6\u9632\u5fa1\u5de5\u5177&#xff0c;\u6b63\u662f\u5728\u8fd9\u4e00\u80cc\u666f\u4e0b\u5e94\u8fd0\u800c\u751f\u3002\u672c\u6587\u5c06\u6df1\u5165\u4ecb\u7ecd Tetragon \u7684\u67b6\u6784\u539f\u7406\u3001\u6838\u5fc3\u529f\u80fd\u4e0e\u4f7f\u7528\u65b9\u6cd5&#xff0c;\u5e76\u7ed3\u5408 2026 \u5e74 Linux \u5b58\u50a8\u3001\u6587\u4ef6\u7cfb\u7edf\u3001\u5185\u5b58\u7ba1\u7406\u4e0e BPF \u5cf0\u4f1a&#xff08;LFSMMBP<\/p>\n","protected":false},"author":2,"featured_media":91262,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10187,10406,9404,9403,10407,58],"topic":[],"class_list":["post-91263","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-codingplan","tag-ebpf","tag-kernel","tag-linux-kernel","tag-tetragon","tag-linux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>eBPF \u5185\u6838\u5b89\u5168\u9ed1\u79d1\u6280\uff1a\u6df1\u5165\u89e3\u6790 Tetragon \u53ca\u5176\u201c\u53bb\u7528\u6237\u7a7a\u95f4 Agent\u201d\u6f14\u8fdb\u4e4b\u8def - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/91263.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"eBPF \u5185\u6838\u5b89\u5168\u9ed1\u79d1\u6280\uff1a\u6df1\u5165\u89e3\u6790 Tetragon \u53ca\u5176\u201c\u53bb\u7528\u6237\u7a7a\u95f4 Agent\u201d\u6f14\u8fdb\u4e4b\u8def - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u968f\u7740\u4e91\u539f\u751f\u6280\u672f\u7684\u6f14\u8fdb&#xff0c;\u4f20\u7edf\u7684\u5bb9\u5668\u5b89\u5168\u5de5\u5177\u9010\u6e10\u66b4\u9732\u51fa\u6027\u80fd\u635f\u8017\u5927\u3001\u54cd\u5e94\u5ef6\u8fdf\u9ad8\u4ee5\u53ca\u9632\u5fa1\u4e0d\u5f7b\u5e95\u7b49\u7f3a\u70b9\u3002Tetragon\u2014\u2014\u7531 Isovalent&#xff08;Cilium \u56e2\u961f&#xff09;\u5f00\u6e90\u7684\u57fa\u4e8e eBPF \u7684\u5185\u6838\u7ea7\u5b89\u5168\u76d1\u63a7\u4e0e\u8fd0\u884c\u65f6\u9632\u5fa1\u5de5\u5177&#xff0c;\u6b63\u662f\u5728\u8fd9\u4e00\u80cc\u666f\u4e0b\u5e94\u8fd0\u800c\u751f\u3002\u672c\u6587\u5c06\u6df1\u5165\u4ecb\u7ecd Tetragon \u7684\u67b6\u6784\u539f\u7406\u3001\u6838\u5fc3\u529f\u80fd\u4e0e\u4f7f\u7528\u65b9\u6cd5&#xff0c;\u5e76\u7ed3\u5408 2026 \u5e74 Linux \u5b58\u50a8\u3001\u6587\u4ef6\u7cfb\u7edf\u3001\u5185\u5b58\u7ba1\u7406\u4e0e BPF \u5cf0\u4f1a&#xff08;LFSMMBP\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/91263.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-07T05:48:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260807054853-6a7571c5b8d57.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/91263.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/91263.html\",\"name\":\"eBPF \u5185\u6838\u5b89\u5168\u9ed1\u79d1\u6280\uff1a\u6df1\u5165\u89e3\u6790 Tetragon \u53ca\u5176\u201c\u53bb\u7528\u6237\u7a7a\u95f4 Agent\u201d\u6f14\u8fdb\u4e4b\u8def - 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