{"id":2474,"date":"2023-12-13T21:36:51","date_gmt":"2023-12-13T13:36:51","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=2474"},"modified":"2023-12-13T21:36:51","modified_gmt":"2023-12-13T13:36:51","slug":"ebpf%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/2474.html","title":{"rendered":"eBPF\u662f\u4ec0\u4e48"},"content":{"rendered":"\n\t\t\t\t<![CDATA[\n<p>eBPF\uff08Extended Berkeley Packet Filter\uff09\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u7684\u5185\u6838\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u52a8\u6001\u5730\u6dfb\u52a0\u548c\u6267\u884c\u81ea\u5b9a\u4e49\u7684\u7a0b\u5e8f\u4ee3\u7801\u7247\u6bb5\u6765\u62e6\u622a\u3001\u4fee\u6539\u548c\u89c2\u5bdf\u5185\u6838\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u884c\u4e3a\u3002eBPF\u6700\u521d\u662f\u5728Linux\u5185\u6838\u4e2d\u5f15\u5165\u7684\uff0c\u4f46\u73b0\u5728\u5df2\u7ecf\u6269\u5c55\u5230\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u548c\u5e73\u53f0\u3002DeepFlow\u9762\u5411\u6df7\u5408\u4e91\u3001\u5bb9\u5668\u3001\u5fae\u670d\u52a1\u7684\u5168\u6808\u865a\u62df\u5316\u73af\u5883\uff0c\u89e3\u51b3\u4e91\u539f\u751f\u5e94\u7528\u8bca\u65ad\u96be\u7684\u6838\u5fc3\u75db\u70b9\u3002\u57fa\u4e8e\u81ea\u4e3b\u7814\u53d1\u7684\u96f6\u4fb5\u6270\u91c7\u96c6\u548c\u9ad8\u6027\u80fd\u5b9e\u65f6\u6570\u4ed3\u7b49\u521b\u65b0\u6280\u672f\uff0c\u5b9e\u73b0\u5bf9\u7f51\u7edc\u3001\u7cfb\u7edf\u3001\u5e94\u7528\u7684\u5168\u6808\u6307\u6807\u91c7\u96c6\u548c\u5168\u94fe\u8def\u8ffd\u8e2a\uff0c\u5e76\u7ed3\u5408\u4e91\u8d44\u6e90\u77e5\u8bc6\u56fe\u8c31\u5b9e\u73b0100+\u7ef4\u5ea6\u6307\u6807\u6570\u636e\u7684\u52a8\u6001\u6807\u6ce8\uff0c\u6784\u5efa\u591a\u7ef4\u5ea6\u3001\u4e00\u4f53\u5316\u7684\u53ef\u89c2\u6d4b\u6027\u5e73\u53f0\u3002<\/p>\n\n\n\n<p>eBPF\u7684\u4e3b\u8981\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u5b89\u5168\u6027\uff1aeBPF\u4ee3\u7801\u5728\u5185\u6838\u4e2d\u8fd0\u884c\uff0c\u4f46\u4e25\u683c\u53d7\u5230\u5b89\u5168\u673a\u5236\u7684\u9650\u5236\uff0c\u4ee5\u9632\u6b62\u6076\u610f\u4ee3\u7801\u6267\u884c\u548c\u4e0d\u5b89\u5168\u7684\u64cd\u4f5c\u3002\u8fd9\u4f7f\u5f97eBPF\u6210\u4e3a\u4e00\u79cd\u5b89\u5168\u53ef\u6269\u5c55\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4f7f\u7528\u3002<\/li><li>\u52a8\u6001\u53ef\u7f16\u7a0b\u6027\uff1aeBPF\u5141\u8bb8\u7528\u6237\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u5730\u52a0\u8f7d\u3001\u4fee\u6539\u548c\u5378\u8f7d\u81ea\u5b9a\u4e49\u4ee3\u7801\u7247\u6bb5\u3002\u8fd9\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u901a\u8fc7eBPF\u6765\u5b9e\u73b0\u7075\u6d3b\u7684\u5185\u6838\u6269\u5c55\u548c\u5e94\u7528\u7a0b\u5e8f\u884c\u4e3a\u4fee\u6539\uff0c\u800c\u65e0\u9700\u91cd\u65b0\u7f16\u8bd1\u548c\u91cd\u65b0\u542f\u52a8\u6574\u4e2a\u5185\u6838\u6216\u5e94\u7528\u7a0b\u5e8f\u3002<\/li><li>\u8f7b\u91cf\u9ad8\u6548\uff1aeBPF\u662f\u4e3a\u9ad8\u6027\u80fd\u8bbe\u8ba1\u7684\uff0c\u5b83\u53ef\u4ee5\u5728\u5185\u6838\u7a7a\u95f4\u4e2d\u76f4\u63a5\u6267\u884c\u4ee3\u7801\uff0c\u907f\u514d\u4e86\u7528\u6237\u6001\u548c\u5185\u6838\u6001\u4e4b\u95f4\u7684\u9891\u7e41\u5207\u6362\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6027\u80fd\u548c\u6548\u7387\u3002<\/li><li>\u7f51\u7edc\u548c\u5b89\u5168\u9886\u57df\u7684\u5e94\u7528\uff1aeBPF\u6700\u521d\u662f\u9488\u5bf9\u7f51\u7edc\u6570\u636e\u5305\u8fc7\u6ee4\u548c\u5206\u6790\u800c\u8bbe\u8ba1\u7684\uff0c\u53ef\u4ee5\u5728\u7f51\u7edc\u5c42\u62e6\u622a\u548c\u5904\u7406\u6570\u636e\u5305\uff0c\u5b9e\u73b0\u8bf8\u5982\u6d41\u91cf\u76d1\u63a7\u3001\u9632\u706b\u5899\u3001\u6570\u636e\u5305\u8f6c\u53d1\u7b49\u529f\u80fd\u3002\u6b64\u5916\uff0ceBPF\u4e5f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5b89\u5168\u9886\u57df\uff0c\u5982\u7cfb\u7edf\u76d1\u63a7\u3001\u5165\u4fb5\u68c0\u6d4b\u548c\u5ba1\u8ba1\u7b49\u3002<\/li><li>\u751f\u6001\u7cfb\u7edf\uff1aeBPF\u62e5\u6709\u4e30\u5bcc\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u5305\u62ec\u5de5\u5177\u94fe\u3001\u5e93\u6587\u4ef6\u548c\u793e\u533a\u652f\u6301\u3002\u4f8b\u5982\uff0cBCC\uff08BPF Compiler Collection\uff09\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u5de5\u5177\u96c6\uff0c\u63d0\u4f9b\u4e86\u8bb8\u591a\u9884\u5b9a\u4e49\u7684eBPF\u7a0b\u5e8f\u548c\u793a\u4f8b\u3002<\/li><\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0ceBPF\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u7684\u5185\u6838\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u5730\u52a0\u8f7d\u3001\u4fee\u6539\u548c\u6267\u884c\u81ea\u5b9a\u4e49\u7684\u4ee3\u7801\u7247\u6bb5\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u5bf9\u5185\u6838\u548c\u5e94\u7528\u7a0b\u5e8f\u884c\u4e3a\u7684\u9ad8\u5ea6\u53ef\u7f16\u7a0b\u548c\u7075\u6d3b\u63a7\u5236\u3002\u7531\u4e8e\u5176\u5b89\u5168\u6027\u3001\u6027\u80fd\u548c\u4e30\u5bcc\u7684\u751f\u6001\u7cfb\u7edf\uff0ceBPF\u5728\u7f51\u7edc\u548c\u5b89\u5168\u9886\u57df\u4ee5\u53ca\u5176\u4ed6\u7cfb\u7edf\u8ddf\u8e2a\u548c\u76d1\u63a7\u5e94\u7528\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n]]>\t\t","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t<![CDATA[]]>\t\t<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-2474","post","type-post","status-publish","format-standard","hentry","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/2474","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=2474"}],"version-history":[{"count":0,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/2474\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=2474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=2474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=2474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}