{"id":23427,"date":"2025-01-09T19:03:53","date_gmt":"2025-01-09T11:03:53","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=23427"},"modified":"2025-01-09T19:03:53","modified_gmt":"2025-01-09T11:03:53","slug":"ebpf%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e8%b7%a8%e5%b9%b3%e5%8f%b0%e7%9a%84%e5%85%bc%e5%ae%b9%e6%80%a7%e5%92%8c%e5%8f%af%e7%a7%bb%e6%a4%8d%e6%80%a7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/23427.html","title":{"rendered":"eBPF\u5982\u4f55\u5b9e\u73b0\u8de8\u5e73\u53f0\u7684\u517c\u5bb9\u6027\u548c\u53ef\u79fb\u690d\u6027\uff1f"},"content":{"rendered":"

\t\t\t\t\n\n

\"eBPF\u5982\u4f55\u5b9e\u73b0\u8de8\u5e73\u53f0\u7684\u517c\u5bb9\u6027\u548c\u53ef\u79fb\u690d\u6027\uff1f\"<\/p>\n\n<\/p>\n\n\n\n

\u5728\u5f53\u4eca\u7684\u4e91\u8ba1\u7b97\u548c\u5206\u5e03\u5f0f\u7cfb\u7edf\u9886\u57df\uff0ceBPF\uff08\u6269\u5c55\u7684\u4f2f\u514b\u5229\u5305\u8fc7\u6ee4\u5668\uff09\u6280\u672f\u6b63\u9010\u6e10\u6210\u4e3a\u4e00\u9879\u9769\u547d\u6027\u7684\u5de5\u5177\u3002\u5b83\u4e0d\u4ec5\u80fd\u591f\u5728\u4e0d\u4fee\u6539\u5185\u6838\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u9ad8\u6027\u80fd\u7684\u7f51\u7edc\u76d1\u63a7\u548c\u7cfb\u7edf\u8ddf\u8e2a\uff0c\u8fd8\u56e0\u5176\u8de8\u5e73\u53f0\u7684\u517c\u5bb9\u6027\u548c\u53ef\u79fb\u690d\u6027\u800c\u5907\u53d7\u9752\u7750\u3002\u90a3\u4e48\uff0ceBPF\u662f\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u70b9\u7684\u5462\uff1f\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8eBPF\u5728\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u548c\u53ef\u79fb\u690d\u6027\u65b9\u9762\u7684\u6838\u5fc3\u673a\u5236\uff0c\u5e76\u5206\u6790\u5176\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u3002<\/p>\n\n\n\n\n

eBPF\u7684\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\uff1a\u5185\u6838\u62bd\u8c61\u4e0e\u6807\u51c6\u5316<\/h3>\n\n\n\n\n

eBPF\u7684\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u4e3b\u8981\u4f9d\u8d56\u4e8e\u5176\u5bf9\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u7684\u62bd\u8c61\u548c\u6807\u51c6\u5316\u3002eBPF\u6700\u521d\u662f\u4e3aLinux\u5185\u6838\u8bbe\u8ba1\u7684\uff0c\u4f46\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u5176\u8bbe\u8ba1\u7406\u5ff5\u9010\u6e10\u88ab\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u6240\u91c7\u7eb3\u3002eBPF\u7684\u6838\u5fc3\u601d\u60f3\u662f\u901a\u8fc7\u4e00\u79cd\u901a\u7528\u7684\u865a\u62df\u673a\uff08VM\uff09\u6765\u6267\u884c\u7528\u6237\u5b9a\u4e49\u7684\u4ee3\u7801\uff0c\u4ece\u800c\u907f\u514d\u76f4\u63a5\u64cd\u4f5c\u5e95\u5c42\u5185\u6838<\/strong>\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f97eBPF\u80fd\u591f\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u5e73\u53f0\u4e0a\u8fd0\u884c\uff0c\u800c\u65e0\u9700\u9488\u5bf9\u6bcf\u4e2a\u5e73\u53f0\u8fdb\u884c\u5927\u91cf\u7684\u9002\u914d\u5de5\u4f5c\u3002<\/p>\n\n\n\n\n

\u4e3a\u4e86\u5b9e\u73b0\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\uff0ceBPF\u91c7\u7528\u4e86\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u7b56\u7565\uff1a<\/p>\n\n\n\n\n

    \n\n\n
  1. \n\n

    \u7edf\u4e00\u7684\u6307\u4ee4\u96c6\u67b6\u6784<\/strong>\uff1aeBPF\u5b9a\u4e49\u4e86\u4e00\u5957\u7cbe\u7b80\u7684\u6307\u4ee4\u96c6\uff0c\u8fd9\u4e9b\u6307\u4ee4\u96c6\u4e0e\u5177\u4f53\u7684\u786c\u4ef6\u67b6\u6784\u65e0\u5173\u3002\u65e0\u8bba\u662fx86\u3001ARM\u8fd8\u662fRISC-V\uff0ceBPF\u7a0b\u5e8f\u90fd\u53ef\u4ee5\u901a\u8fc7\u865a\u62df\u673a\u89e3\u91ca\u6267\u884c\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u8de8\u786c\u4ef6\u5e73\u53f0\u7684\u517c\u5bb9\u6027\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n

  2. \n\n

    \u5185\u6838\u63a5\u53e3\u7684\u62bd\u8c61\u5c42<\/strong>\uff1aeBPF\u901a\u8fc7\u63d0\u4f9b\u4e00\u7ec4\u6807\u51c6\u5316\u7684\u5185\u6838\u63a5\u53e3\uff08\u5982maps\u3001helpers\u548chooks\uff09\uff0c\u5c4f\u853d\u4e86\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u7684\u5dee\u5f02\u3002\u5f00\u53d1\u8005\u53ea\u9700\u5173\u6ce8\u8fd9\u4e9b\u63a5\u53e3\u7684\u4f7f\u7528\uff0c\u800c\u65e0\u9700\u5173\u5fc3\u5e95\u5c42\u5185\u6838\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n

  3. \n\n

    \u53ef\u79fb\u690d\u7684\u5b57\u8282\u7801\u683c\u5f0f<\/strong>\uff1aeBPF\u7a0b\u5e8f\u4ee5\u5b57\u8282\u7801\u7684\u5f62\u5f0f\u5b58\u50a8\u548c\u6267\u884c\uff0c\u8fd9\u79cd\u683c\u5f0f\u4e0e\u5177\u4f53\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u786c\u4ef6\u65e0\u5173\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u4e00\u4e2a\u5e73\u53f0\u4e0a\u7f16\u5199eBPF\u7a0b\u5e8f\uff0c\u7136\u540e\u5c06\u5176\u90e8\u7f72\u5230\u53e6\u4e00\u4e2a\u5e73\u53f0\u4e0a\u8fd0\u884c\uff0c\u800c\u65e0\u9700\u91cd\u65b0\u7f16\u8bd1\u6216\u4fee\u6539\u4ee3\u7801\u3002<\/p>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n

    eBPF\u7684\u53ef\u79fb\u690d\u6027\uff1a\u5de5\u5177\u94fe\u4e0e\u751f\u6001\u7cfb\u7edf\u7684\u652f\u6301<\/h3>\n\n\n\n\n

    eBPF\u7684\u53ef\u79fb\u690d\u6027\u4e0d\u4ec5\u4f53\u73b0\u5728\u5176\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u4e0a\uff0c\u8fd8\u5f97\u76ca\u4e8e\u5176\u5f3a\u5927\u7684\u5de5\u5177\u94fe\u548c\u751f\u6001\u7cfb\u7edf\u652f\u6301\u3002eBPF\u7684\u5de5\u5177\u94fe\u5305\u62ec\u7f16\u8bd1\u5668\u3001\u8c03\u8bd5\u5668\u548c\u52a0\u8f7d\u5668\uff0c\u8fd9\u4e9b\u5de5\u5177\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4ece\u7f16\u5199\u5230\u90e8\u7f72\u7684\u5168\u6d41\u7a0b\u652f\u6301<\/strong>\u3002\u4f8b\u5982\uff0cLLVM\u7f16\u8bd1\u5668\u53ef\u4ee5\u5c06C\u8bed\u8a00\u4ee3\u7801\u7f16\u8bd1\u4e3aeBPF\u5b57\u8282\u7801\uff0c\u800cbpftool\u7b49\u5de5\u5177\u5219\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u8c03\u8bd5\u548c\u52a0\u8f7deBPF\u7a0b\u5e8f\u3002<\/p>\n\n\n\n\n

    \u6b64\u5916\uff0ceBPF\u7684\u751f\u6001\u7cfb\u7edf\u4e5f\u5728\u4e0d\u65ad\u53d1\u5c55\u58ee\u5927\u3002\u8bb8\u591a\u5f00\u6e90\u9879\u76ee\u548c\u5546\u4e1a\u4ea7\u54c1\u90fd\u5f00\u59cb\u652f\u6301eBPF\uff0c\u4f8b\u5982Cilium\u3001Falco\u548cPixie\u7b49\u3002\u8fd9\u4e9b\u9879\u76ee\u4e0d\u4ec5\u6269\u5c55\u4e86eBPF\u7684\u5e94\u7528\u573a\u666f\uff0c\u8fd8\u4e3a\u5176\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u8de8\u5e73\u53f0\u652f\u6301\u3002\u901a\u8fc7\u4e0e\u5176\u4ed6\u5de5\u5177\u548c\u6846\u67b6\u7684\u96c6\u6210\uff0ceBPF\u7684\u53ef\u79fb\u690d\u6027\u5f97\u5230\u4e86\u8fdb\u4e00\u6b65\u63d0\u5347<\/strong>\u3002<\/p>\n\n\n\n\n

    eBPF\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8de8\u5e73\u53f0\u4f18\u52bf<\/h3>\n\n\n\n\n

    \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0ceBPF\u7684\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u548c\u53ef\u79fb\u690d\u6027\u4e3a\u5f00\u53d1\u8005\u5e26\u6765\u4e86\u663e\u8457\u7684\u4f18\u52bf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5178\u578b\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n\n

      \n\n\n
    1. \n\n

      \u7f51\u7edc\u76d1\u63a7\u4e0e\u5b89\u5168<\/strong>\uff1aeBPF\u53ef\u4ee5\u7528\u4e8e\u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\uff0c\u68c0\u6d4b\u5f02\u5e38\u884c\u4e3a\u5e76\u5b9e\u65bd\u5b89\u5168\u7b56\u7565\u3002\u7531\u4e8eeBPF\u7684\u8de8\u5e73\u53f0\u7279\u6027\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u90e8\u7f72\u76f8\u540c\u7684\u76d1\u63a7\u7a0b\u5e8f\uff0c\u800c\u65e0\u9700\u9488\u5bf9\u6bcf\u4e2a\u5e73\u53f0\u8fdb\u884c\u5b9a\u5236\u5f00\u53d1\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n

    2. \n\n

      \u6027\u80fd\u5206\u6790\u4e0e\u4f18\u5316<\/strong>\uff1aeBPF\u53ef\u4ee5\u7528\u4e8e\u8ddf\u8e2a\u7cfb\u7edf\u8c03\u7528\u3001\u5185\u6838\u51fd\u6570\u548c\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\u7684\u6267\u884c\u60c5\u51b5\uff0c\u4ece\u800c\u5e2e\u52a9\u5f00\u53d1\u8005\u53d1\u73b0\u6027\u80fd\u74f6\u9888\u3002\u901a\u8fc7eBPF\u7684\u53ef\u79fb\u690d\u6027\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u73af\u5883\u4e2d\u4f7f\u7528\u76f8\u540c\u7684\u5206\u6790\u5de5\u5177\uff0c\u4ece\u800c\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n\n\n<\/li>\n\n\n\n\n

    3. \n\n

      \u5bb9\u5668\u4e0e\u5fae\u670d\u52a1\u67b6\u6784<\/strong>\uff1a\u5728\u5bb9\u5668\u548c\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0ceBPF\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u670d\u52a1\u7f51\u683c\u3001\u8d1f\u8f7d\u5747\u8861\u548c\u6545\u969c\u6ce8\u5165\u7b49\u529f\u80fd\u3002\u7531\u4e8e\u5176\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\uff0ceBPF\u53ef\u4ee5\u5728Kubernetes\u3001Docker\u7b49\u4e0d\u540c\u7684\u5bb9\u5668\u5e73\u53f0\u4e0a\u65e0\u7f1d\u8fd0\u884c\u3002<\/p>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n

      \u6311\u6218\u4e0e\u672a\u6765\u53d1\u5c55\u65b9\u5411<\/h3>\n\n\n\n\n

      \u5c3d\u7ba1eBPF\u5728\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u548c\u53ef\u79fb\u690d\u6027\u65b9\u9762\u53d6\u5f97\u4e86\u663e\u8457\u8fdb\u5c55\uff0c\u4f46\u4ecd\u9762\u4e34\u4e00\u4e9b\u6311\u6218\u3002\u4f8b\u5982\uff0c\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u5bf9eBPF\u7684\u652f\u6301\u7a0b\u5ea6\u5b58\u5728\u5dee\u5f02\uff0c\u67d0\u4e9b\u5e73\u53f0\u53ef\u80fd\u7f3a\u4e4f\u5b8c\u6574\u7684eBPF\u529f\u80fd\u652f\u6301\u3002\u6b64\u5916\uff0ceBPF\u7684\u6027\u80fd\u4f18\u5316\u548c\u5b89\u5168\u6027\u95ee\u9898\u4e5f\u9700\u8981\u8fdb\u4e00\u6b65\u7814\u7a76\u548c\u89e3\u51b3\u3002<\/p>\n\n\n\n\n

      \u672a\u6765\uff0c\u968f\u7740eBPF\u6280\u672f\u7684\u4e0d\u65ad\u6210\u719f\uff0c\u6211\u4eec\u53ef\u4ee5\u671f\u5f85\u5176\u5728\u66f4\u591a\u64cd\u4f5c\u7cfb\u7edf\u548c\u786c\u4ef6\u5e73\u53f0\u4e0a\u7684\u5e7f\u6cdb\u5e94\u7528\u3002\u901a\u8fc7\u8fdb\u4e00\u6b65\u6807\u51c6\u5316\u548c\u4f18\u5316\uff0ceBPF\u6709\u671b\u6210\u4e3a\u8de8\u5e73\u53f0\u7cfb\u7edf\u5f00\u53d1\u548c\u8fd0\u7ef4\u7684\u901a\u7528\u5de5\u5177<\/strong>\uff0c\u4e3a\u4e91\u8ba1\u7b97\u548c\u5206\u5e03\u5f0f\u7cfb\u7edf\u9886\u57df\u5e26\u6765\u66f4\u591a\u7684\u521b\u65b0\u548c\u7a81\u7834\u3002<\/p>\n\n\n\n\n

      \u603b\u4e4b\uff0ceBPF\u901a\u8fc7\u5176\u72ec\u7279\u7684\u8bbe\u8ba1\u7406\u5ff5\u548c\u5f3a\u5927\u7684\u5de5\u5177\u94fe\u652f\u6301\uff0c\u6210\u529f\u5b9e\u73b0\u4e86\u8de8\u5e73\u53f0\u7684\u517c\u5bb9\u6027\u548c\u53ef\u79fb\u690d\u6027\u3002\u65e0\u8bba\u662f\u5728\u7f51\u7edc\u76d1\u63a7\u3001\u6027\u80fd\u5206\u6790\u8fd8\u662f\u5bb9\u5668\u67b6\u6784\u4e2d\uff0ceBPF\u90fd\u5c55\u73b0\u51fa\u4e86\u5de8\u5927\u7684\u6f5c\u529b\u3002\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0ceBPF\u5fc5\u5c06\u5728\u672a\u6765\u7684\u7cfb\u7edf\u5f00\u53d1\u548c\u8fd0\u7ef4\u4e2d\u53d1\u6325\u66f4\u52a0\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n\n\n ]]>\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"

      \t\t\t\t\t\t<\/p>\n","protected":false},"author":5,"featured_media":23428,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-23427","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-discussion"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/23427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=23427"}],"version-history":[{"count":0,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/23427\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/23428"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=23427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=23427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=23427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}