{"id":300,"date":"2024-07-01T00:21:16","date_gmt":"2024-06-30T16:21:16","guid":{"rendered":"http:\/\/zhaoyanqi.cn\/?p=300"},"modified":"2024-07-01T00:21:17","modified_gmt":"2024-06-30T16:21:17","slug":"ebpf%e6%8a%80%e6%9c%af%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"https:\/\/zhaoyanqi.cn\/?p=300","title":{"rendered":"eBPF\u6280\u672f\u7814\u7a76"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"qhO8b\">\u4ec0\u4e48\u662feBPF<\/h2>\n\n\n\n<p id=\"u0c3866d2\">eBPF\uff08extended Berkeley Packet Filter\uff09\u662f\u4e00\u79cd\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u5185\u6838\u6280\u672f\uff0c\u6700\u521d\u7528\u4e8e\u8fc7\u6ee4\u7f51\u7edc\u6570\u636e\u5305\uff0c\u4f46\u5982\u4eca\u5df2\u7ecf\u6269\u5c55\u5230\u53ef\u4ee5\u5728\u5185\u6838\u4e2d\u8fd0\u884c\u7528\u6237\u5b9a\u4e49\u7684\u4ee3\u7801\uff0c\u5141\u8bb8\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u8fdb\u884c\u5b89\u5168\u4e14\u9ad8\u6548\u7684\u6269\u5c55\u548c\u5b9a\u5236\u3002eBPF \u53ef\u4ee5\u7528\u6765\u76d1\u63a7\u548c\u8ddf\u8e2a\u7cfb\u7edf\u6027\u80fd\u3001\u8fdb\u884c\u7f51\u7edc\u6d41\u91cf\u5206\u6790\u3001\u5b89\u5168\u6027\u589e\u5f3a\u4ee5\u53ca\u5176\u4ed6\u5185\u6838\u7ea7\u522b\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-1024x562.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"562\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-1024x562.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-301\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"YETo3\">eBPF \u7684\u5173\u952e\u7279\u6027\uff1a<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5b89\u5168\u6027<\/strong>\uff1aeBPF \u7a0b\u5e8f\u5728\u52a0\u8f7d\u5230\u5185\u6838\u4e4b\u524d\u4f1a\u88ab\u9a8c\u8bc1\uff0c\u786e\u4fdd\u4e0d\u4f1a\u5f71\u54cd\u7cfb\u7edf\u7a33\u5b9a\u6027\u6216\u5b89\u5168\u6027\u3002eBPF \u9a8c\u8bc1\u5668\u4f1a\u68c0\u67e5\u4ee3\u7801\uff0c\u9632\u6b62\u53ef\u80fd\u7684\u65e0\u9650\u5faa\u73af\u6216\u975e\u6cd5\u8bbf\u95ee\u3002<\/li>\n\n\n\n<li><strong>\u6027\u80fd<\/strong>\uff1aeBPF \u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u6267\u884c\uff0c\u907f\u514d\u4e86\u7528\u6237\u6001\u548c\u5185\u6838\u6001\u4e4b\u95f4\u7684\u9891\u7e41\u5207\u6362\uff0c\u63d0\u9ad8\u4e86\u6267\u884c\u6548\u7387\u3002<\/li>\n\n\n\n<li><strong>\u7075\u6d3b\u6027<\/strong>\uff1a\u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u7a0b\u5e8f\uff0c\u5305\u62ec\u8ddf\u8e2a\u7cfb\u7edf\u8c03\u7528\u3001\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u3001\u6536\u96c6\u6027\u80fd\u6570\u636e\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u6613\u7528\u6027<\/strong>\uff1aeBPF \u7a0b\u5e8f\u53ef\u4ee5\u7528\u9ad8\u7ea7\u8bed\u8a00\uff08\u5982 C \u6216 LLVM IR\uff09\u7f16\u5199\uff0c\u7136\u540e\u7f16\u8bd1\u5e76\u52a0\u8f7d\u5230\u5185\u6838\u4e2d\u3002\u4e5f\u6709\u4e00\u4e9b\u6846\u67b6\uff08\u5982 bcc \u548c libbpf\uff09\u7b80\u5316\u4e86 eBPF \u7a0b\u5e8f\u7684\u5f00\u53d1\u548c\u90e8\u7f72\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"DOAMU\">\u5185\u6838\u8c03\u8bd5\uff0clinux\u8ffd\u8e2a\u6280\u672f\u4e09\u5927\u4ef6<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-1.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"925\" height=\"854\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-302\"  sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-2-1024x585.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"585\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-2-1024x585.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-303\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"GxgMB\">eBPF\u52a0\u8f7d\u5668\u548c\u9a8c\u8bc1\u5668<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-3-1024x593.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"593\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-3-1024x593.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-304\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"fU6ys\">eBPF\u4e8b\u4ef6\u9a71\u52a8<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-4-1024x473.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"473\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-4-1024x473.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-305\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"K8tjM\">\u4e3a\u4f55\u4f7f\u7528 eBPF\uff1a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"CegQd\">1. \u9ad8\u6027\u80fd<\/h3>\n\n\n\n<p id=\"uecf54004\">eBPF \u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u6267\u884c\uff0c\u907f\u514d\u4e86\u7528\u6237\u6001\u548c\u5185\u6838\u6001\u4e4b\u95f4\u7684\u9891\u7e41\u5207\u6362\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5927\u5927\u63d0\u9ad8\u4e86\u6267\u884c\u6548\u7387\u3002\u4e0e\u4f20\u7edf\u7684\u65b9\u6cd5\u76f8\u6bd4\uff0ceBPF \u7a0b\u5e8f\u7684\u5f00\u9500\u6781\u4f4e\uff0c\u9002\u5408\u9ad8\u9891\u7387\u7684\u5b9e\u65f6\u76d1\u63a7\u548c\u6570\u636e\u6536\u96c6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"uFvfI\">2. \u5b89\u5168\u6027<\/h3>\n\n\n\n<p id=\"u7d8cdb36\">\u5728\u5c06 eBPF \u7a0b\u5e8f\u52a0\u8f7d\u5230\u5185\u6838\u4e4b\u524d\uff0ceBPF \u9a8c\u8bc1\u5668\u4f1a\u5bf9\u5176\u8fdb\u884c\u4e25\u683c\u68c0\u67e5\uff0c\u786e\u4fdd\u4ee3\u7801\u4e0d\u4f1a\u5f71\u54cd\u7cfb\u7edf\u7a33\u5b9a\u6027\u6216\u5b89\u5168\u6027\u3002\u8fd9\u79cd\u673a\u5236\u9632\u6b62\u4e86\u6f5c\u5728\u7684\u6076\u610f\u4ee3\u7801\u6216\u9519\u8bef\u4ee3\u7801\u5bf9\u7cfb\u7edf\u7684\u7834\u574f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cpg0s\">3. \u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027<\/h3>\n\n\n\n<p id=\"u7d92019f\">eBPF \u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u5185\u6838\u6e90\u7801\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u590d\u6742\u7684\u529f\u80fd\u6269\u5c55\u3002\u901a\u8fc7\u7f16\u5199 eBPF \u7a0b\u5e8f\uff0c\u7528\u6237\u53ef\u4ee5\u5b9a\u5236\u548c\u589e\u5f3a\u64cd\u4f5c\u7cfb\u7edf\u7684\u5404\u79cd\u529f\u80fd\uff0c\u5982\u7f51\u7edc\u76d1\u63a7\u3001\u5b89\u5168\u6027\u589e\u5f3a\u3001\u7cfb\u7edf\u6027\u80fd\u5206\u6790\u7b49\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"qE9Ls\">4. \u5b9e\u65f6\u6027<\/h3>\n\n\n\n<p id=\"u36f78c6f\">eBPF \u7a0b\u5e8f\u53ef\u4ee5\u5b9e\u65f6\u6355\u83b7\u548c\u5206\u6790\u7cfb\u7edf\u72b6\u6001\uff0c\u5e2e\u52a9\u7528\u6237\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u51b3\u95ee\u9898\u3002\u7531\u4e8e eBPF \u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u8fd0\u884c\uff0c\u80fd\u591f\u63d0\u4f9b\u6bd4\u7528\u6237\u6001\u7a0b\u5e8f\u66f4\u53ca\u65f6\u548c\u7cbe\u786e\u7684\u76d1\u63a7\u6570\u636e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"PeYDd\">5. \u7edf\u4e00\u7684\u7f16\u7a0b\u63a5\u53e3<\/h3>\n\n\n\n<p id=\"u90c7fdcb\">eBPF \u63d0\u4f9b\u4e86\u4e00\u5957\u7edf\u4e00\u7684\u7f16\u7a0b\u63a5\u53e3\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528 C \u8bed\u8a00\u6216\u7c7b\u4f3c\u7684\u9ad8\u7ea7\u8bed\u8a00\u7f16\u5199 eBPF \u7a0b\u5e8f\u3002\u73b0\u6709\u7684\u5de5\u5177\u548c\u6846\u67b6\uff08\u5982 bcc \u548c libbpf\uff09\u8fdb\u4e00\u6b65\u7b80\u5316\u4e86 eBPF \u7a0b\u5e8f\u7684\u5f00\u53d1\u548c\u90e8\u7f72\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"QngH9\">6. \u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f<\/h3>\n\n\n\n<p id=\"u5cef4adc\">eBPF \u53ef\u7528\u4e8e\u591a\u79cd\u573a\u666f\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7f51\u7edc\u76d1\u63a7\u548c\u6027\u80fd\u5206\u6790<\/strong>\uff1a\u901a\u8fc7\u8ddf\u8e2a\u548c\u5206\u6790\u7f51\u7edc\u6d41\u91cf\uff0c\u8bc6\u522b\u7f51\u7edc\u74f6\u9888\u548c\u5f02\u5e38\u6d41\u91cf\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u5168\u6027\u589e\u5f3a<\/strong>\uff1a\u5b9e\u73b0\u5b9e\u65f6\u9632\u706b\u5899\u89c4\u5219\uff0c\u68c0\u6d4b\u548c\u963b\u6b62\u6f5c\u5728\u7684\u653b\u51fb\u3002<\/li>\n\n\n\n<li><strong>\u7cfb\u7edf\u6027\u80fd\u8c03\u4f18<\/strong>\uff1a\u6536\u96c6\u8be6\u7ec6\u7684\u6027\u80fd\u6570\u636e\uff0c\u5e2e\u52a9\u4f18\u5316\u7cfb\u7edf\u8d44\u6e90\u4f7f\u7528\u548c\u63d0\u5347\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u6545\u969c\u6392\u9664<\/strong>\uff1a\u5728\u7cfb\u7edf\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u5b9e\u65f6\u6355\u83b7\u548c\u5206\u6790\u7cfb\u7edf\u72b6\u6001\uff0c\u5feb\u901f\u5b9a\u4f4d\u6545\u969c\u539f\u56e0\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gDqMd\">7. \u793e\u533a\u652f\u6301\u548c\u751f\u6001\u7cfb\u7edf<\/h3>\n\n\n\n<p id=\"u9f0b36e0\">eBPF \u53d7\u5230\u5e7f\u6cdb\u7684\u793e\u533a\u652f\u6301\u548c\u6d3b\u8dc3\u7684\u5f00\u53d1\u8005\u751f\u6001\u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u3001\u5e93\u548c\u6587\u6863\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u4e0a\u624b\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hVpzm\">\u5982\u4f55\u4f7f\u7528<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-5-1024x344.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"344\" data-original=\"https:\/\/zhaoyanqi.cn\/wp-content\/uploads\/2024\/07\/image-5-1024x344.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-306\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p id=\"ucfc700a1\">eBPF \u7684\u57fa\u672c\u4f7f\u7528\u8fc7\u7a0b\u5305\u62ec\u7f16\u5199 eBPF \u7a0b\u5e8f\u3001\u7f16\u8bd1\u548c\u52a0\u8f7d\u5230\u5185\u6838\u4e2d\uff0c\u4ee5\u53ca\u4f7f\u7528\u5de5\u5177\u8fdb\u884c\u76d1\u63a7\u548c\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u4f7f\u7528\u6d41\u7a0b\u548c\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5229\u7528 eBPF \u8fdb\u884c\u7f51\u7edc\u6570\u636e\u5305\u7684\u76d1\u63a7\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"o0lxl\">1. \u5b89\u88c5\u5fc5\u8981\u7684\u5de5\u5177<\/h3>\n\n\n\n<p id=\"u8934ca7e\">\u9996\u5148\uff0c\u5b89\u88c5 bcc\uff08BPF Compiler Collection\uff09\u5de5\u5177\u5305\uff0c\u8fd9\u662f\u4e00\u4e2a\u7f16\u5199\u3001\u7f16\u8bd1\u548c\u52a0\u8f7d eBPF \u7a0b\u5e8f\u7684\u5de5\u5177\u96c6\u3002<\/p>\n\n\n\n<p id=\"ue0442e32\">\u5728\u57fa\u4e8e Debian \u7684\u7cfb\u7edf\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\uff1a<\/p>\n\n\n\n<pre id=\"olO4Z\" class=\"wp-block-code\"><code>sudo apt-get update\nsudo apt-get install bpfcc-tools linux-headers-$(uname -r)<\/code><\/pre>\n\n\n\n<p id=\"u1a5989ca\">\u5728\u57fa\u4e8e Red Hat \u7684\u7cfb\u7edf\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\uff1a<\/p>\n\n\n\n<pre id=\"RERhD\" class=\"wp-block-code\"><code>sudo yum install epel-release\nsudo yum install bcc bcc-tools kernel-devel-$(uname -r)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"uBXIo\">2. \u7f16\u5199 eBPF \u7a0b\u5e8f<\/h3>\n\n\n\n<p id=\"u65f02cf6\">\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684 eBPF \u7a0b\u5e8f\uff0c\u7528\u4e8e\u6355\u83b7 TCP \u8fde\u63a5\u7684\u5efa\u7acb\u5e76\u8f93\u51fa\u76f8\u5173\u4fe1\u606f\u3002<\/p>\n\n\n\n<pre id=\"sM3rx\" class=\"wp-block-code\"><code>#include &lt;uapi\/linux\/ptrace.h&gt;\n#include &lt;net\/sock.h&gt;\n#include &lt;bcc\/proto.h&gt;\n\nBPF_HASH(connects, u64, u64);\n\nint trace_connect_entry(struct pt_regs *ctx, struct sock *sk) {\n    u64 pid = bpf_get_current_pid_tgid();\n    u64 zero = 0, *val;\n\n    val = connects.lookup_or_init(&amp;pid, &amp;zero);\n    (*val)++;\n    connects.update(&amp;pid, val);\n  \n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p id=\"ued2bbcbf\">\u4fdd\u5b58\u4e3a <code>tcp_connect.c<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"SpB8l\">3. \u7f16\u8bd1\u548c\u52a0\u8f7d eBPF \u7a0b\u5e8f<\/h3>\n\n\n\n<p id=\"uc680c559\">\u4f7f\u7528 bcc \u7684 Python \u63a5\u53e3\u7f16\u8bd1\u548c\u52a0\u8f7d eBPF \u7a0b\u5e8f\u3002\u521b\u5efa\u4e00\u4e2a Python \u811a\u672c <code>tcp_connect.py<\/code>\uff1a<\/p>\n\n\n\n<pre id=\"dGuHS\" class=\"wp-block-code\"><code>from bcc import BPF\n\n# Load eBPF program\nb = BPF(src_file=\"tcp_connect.c\")\n\n# Attach eBPF program to the kernel function tcp_v4_connect\nb.attach_kprobe(event=\"tcp_v4_connect\", fn_name=\"trace_connect_entry\")\n\n# Print the output\nprint(\"Tracing TCP connections... Hit Ctrl-C to end.\")\nwhile True:\n    try:\n        b.trace_print()\n    except KeyboardInterrupt:\n        break<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"qrCuk\">4. \u8fd0\u884c eBPF \u7a0b\u5e8f<\/h3>\n\n\n\n<p id=\"ufe8d2283\">\u6267\u884c Python \u811a\u672c\uff0c\u5f00\u59cb\u6355\u83b7\u548c\u8f93\u51fa TCP \u8fde\u63a5\u7684\u5efa\u7acb\u4fe1\u606f\u3002<\/p>\n\n\n\n<pre id=\"xHpUn\" class=\"wp-block-code\"><code>sudo python tcp_connect.py<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"W2R1k\">5. \u89e3\u91ca\u8f93\u51fa\u7ed3\u679c<\/h3>\n\n\n\n<p id=\"udd13e2aa\">\u8fd0\u884c\u811a\u672c\u540e\uff0c\u6bcf\u5f53\u6709\u65b0\u7684 TCP \u8fde\u63a5\u5efa\u7acb\u65f6\uff0c\u7a0b\u5e8f\u4f1a\u6355\u83b7\u76f8\u5173\u4fe1\u606f\u5e76\u8f93\u51fa\u3002\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u7528\u4e8e\u5c55\u793a\u5982\u4f55\u7f16\u5199\u548c\u8fd0\u884c eBPF \u7a0b\u5e8f\u6765\u76d1\u63a7\u7cfb\u7edf\u884c\u4e3a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"KMzVp\">\u6269\u5c55\u9605\u8bfb\u548c\u5de5\u5177<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>bcc<\/strong>\uff1a\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u793a\u4f8b\u548c\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u5b66\u4e60\u548c\u4f7f\u7528 eBPF\uff0c\u4f8b\u5982<code>xdp<\/code>,<code>tcpdrop<\/code>,<code>execsnoop<\/code>\u7b49\u3002<\/li>\n\n\n\n<li><strong>bpftrace<\/strong>\uff1a\u9002\u7528\u4e8e\u5feb\u901f\u7f16\u5199\u548c\u6267\u884c\u4e34\u65f6\u8ddf\u8e2a\u811a\u672c\uff0c\u8bed\u6cd5\u7c7b\u4f3c\u4e8e awk\uff0c\u9002\u5408\u7528\u4e8e\u6027\u80fd\u5206\u6790\u548c\u6545\u969c\u6392\u9664\u3002<\/li>\n<\/ul>\n\n\n\n<p id=\"u6e263472\">\u4e00\u4e2a\u7b80\u5355\u7684 bpftrace \u793a\u4f8b\uff0c\u7528\u4e8e\u76d1\u63a7\u6240\u6709\u8fdb\u7a0b\u542f\u52a8\uff1a<\/p>\n\n\n\n<pre id=\"w9Rf5\" class=\"wp-block-code\"><code>sudo bpftrace -e 'tracepoint:sched:sched_process_exec { printf(\"%s started\\n\", comm); }'<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"azBak\">\u603b\u7ed3<\/h3>\n\n\n\n<p id=\"u0d8a076a\">\u4f7f\u7528 eBPF \u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b89\u88c5\u5fc5\u8981\u7684\u5de5\u5177\uff0c\u5982 bcc \u6216 bpftrace\u3002<\/li>\n\n\n\n<li>\u7f16\u5199 eBPF \u7a0b\u5e8f\uff0c\u5b9a\u4e49\u8981\u76d1\u63a7\u548c\u6355\u83b7\u7684\u4e8b\u4ef6\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528 bcc \u6216\u5176\u4ed6\u5de5\u5177\u7f16\u8bd1\u548c\u52a0\u8f7d eBPF \u7a0b\u5e8f\u5230\u5185\u6838\u4e2d\u3002<\/li>\n\n\n\n<li>\u8fd0\u884c\u7a0b\u5e8f\uff0c\u6355\u83b7\u548c\u5206\u6790\u8f93\u51fa\u6570\u636e\u3002<\/li>\n<\/ol>\n\n\n\n<p id=\"u24c0ba09\">\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u53ef\u4ee5\u5229\u7528 eBPF \u5f3a\u5927\u7684\u76d1\u63a7\u548c\u5206\u6790\u80fd\u529b\uff0c\u6df1\u5165\u4e86\u89e3\u7cfb\u7edf\u884c\u4e3a\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"N8xML\">\u5b9e\u9645\u6848\u4f8b<\/h2>\n\n\n\n<p id=\"u033d3441\">\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5b9e\u9645\u5e94\u7528 eBPF \u7684\u6848\u4f8b\uff0c\u5c55\u793a\u4e86 eBPF \u5728\u4e0d\u540c\u9886\u57df\u4e2d\u7684\u5f3a\u5927\u529f\u80fd\u548c\u7075\u6d3b\u6027\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tBET9\">1. Netflix\uff1a\u89c6\u9891\u6d41\u5a92\u4f53\u6027\u80fd\u76d1\u63a7<\/h3>\n\n\n\n<p id=\"u53fffcfc\"><strong>\u80cc\u666f<\/strong>\uff1aNetflix \u9700\u8981\u786e\u4fdd\u5176\u89c6\u9891\u6d41\u5a92\u4f53\u670d\u52a1\u5728\u5168\u7403\u8303\u56f4\u5185\u7684\u9ad8\u8d28\u91cf\u4f20\u8f93\u3002<\/p>\n\n\n\n<p id=\"uf837dfbd\"><strong>\u5e94\u7528<\/strong>\uff1aNetflix \u4f7f\u7528 eBPF \u6765\u5b9e\u65f6\u76d1\u63a7\u5176\u670d\u52a1\u5668\u7684\u7f51\u7edc\u6027\u80fd\u548c\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u3002\u4ed6\u4eec\u7f16\u5199\u4e86 eBPF \u7a0b\u5e8f\u6765\u6355\u83b7\u548c\u5206\u6790\u7f51\u7edc\u5305\uff0c\u4ee5\u8bc6\u522b\u53ef\u80fd\u7684\u74f6\u9888\u548c\u5ef6\u8fdf\u6e90\u5934\uff0c\u5e76\u4f18\u5316\u7f51\u7edc\u4f20\u8f93\u8def\u5f84\uff0c\u4ece\u800c\u63d0\u9ad8\u89c6\u9891\u6d41\u7684\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"GW8Qk\">2. Facebook\uff1a\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u76d1\u63a7<\/h3>\n\n\n\n<p id=\"u27270eef\"><strong>\u80cc\u666f<\/strong>\uff1aFacebook \u9700\u8981\u5728\u5176\u5e9e\u5927\u7684\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u4e2d\u8fdb\u884c\u9ad8\u6548\u7684\u6d41\u91cf\u76d1\u63a7\u548c\u6027\u80fd\u5206\u6790\u3002<\/p>\n\n\n\n<p id=\"u01f52311\"><strong>\u5e94\u7528<\/strong>\uff1aFacebook \u4f7f\u7528 eBPF \u7f16\u5199\u4e86\u81ea\u5b9a\u4e49\u76d1\u63a7\u5de5\u5177\uff0c\u4ee5\u5b9e\u65f6\u6355\u83b7\u548c\u5206\u6790\u7f51\u7edc\u6d41\u91cf\u3002\u4ed6\u4eec\u5229\u7528 eBPF \u76d1\u63a7\u6570\u636e\u5305\u7684\u6d41\u52a8\u60c5\u51b5\uff0c\u8bc6\u522b\u6d41\u91cf\u5f02\u5e38\u548c\u7f51\u7edc\u74f6\u9888\uff0c\u5e76\u8fdb\u884c\u6d41\u91cf\u6574\u5f62\u548c\u4f18\u5316\uff0c\u786e\u4fdd\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u7684\u9ad8\u6548\u8fd0\u884c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"qOZBK\">3. Cloudflare\uff1a\u7f51\u7edc\u5b89\u5168\u548c\u6d41\u91cf\u7ba1\u7406<\/h3>\n\n\n\n<p id=\"u576c663a\"><strong>\u80cc\u666f<\/strong>\uff1aCloudflare \u9700\u8981\u4fdd\u62a4\u5176\u5168\u7403\u7f51\u7edc\u514d\u53d7 DDoS \u653b\u51fb\uff0c\u5e76\u4f18\u5316\u6d41\u91cf\u5904\u7406\u3002<\/p>\n\n\n\n<p id=\"u539c078f\"><strong>\u5e94\u7528<\/strong>\uff1aCloudflare \u4f7f\u7528 eBPF \u5b9e\u73b0\u4e86\u5b9e\u65f6\u7684\u7f51\u7edc\u9632\u706b\u5899\u548c\u6d41\u91cf\u5206\u6790\u5de5\u5177\u3002\u4ed6\u4eec\u7f16\u5199 eBPF \u7a0b\u5e8f\u6765\u68c0\u6d4b\u548c\u963b\u6b62\u6076\u610f\u6d41\u91cf\uff0c\u5b9e\u65f6\u54cd\u5e94 DDoS \u653b\u51fb\uff0c\u5e76\u4f18\u5316\u5408\u6cd5\u6d41\u91cf\u7684\u5904\u7406\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ZiEQs\">4. LinkedIn\uff1a\u7cfb\u7edf\u6027\u80fd\u5206\u6790<\/h3>\n\n\n\n<p id=\"ufeba1bb3\"><strong>\u80cc\u666f<\/strong>\uff1aLinkedIn \u9700\u8981\u5bf9\u5176\u670d\u52a1\u5668\u96c6\u7fa4\u8fdb\u884c\u6df1\u5165\u7684\u6027\u80fd\u5206\u6790\uff0c\u4ee5\u4f18\u5316\u8d44\u6e90\u4f7f\u7528\u548c\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n\n\n\n<p id=\"uf30fd3d9\"><strong>\u5e94\u7528<\/strong>\uff1aLinkedIn \u4f7f\u7528 eBPF \u7f16\u5199\u4e86\u81ea\u5b9a\u4e49\u7684\u6027\u80fd\u76d1\u63a7\u5de5\u5177\uff0c\u4ee5\u6355\u83b7\u548c\u5206\u6790\u7cfb\u7edf\u8c03\u7528\u3001\u7f51\u7edc\u6d41\u91cf\u548c\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u3002\u4ed6\u4eec\u5229\u7528 eBPF \u6536\u96c6\u7684\u8be6\u7ec6\u6027\u80fd\u6570\u636e\uff0c\u8bc6\u522b\u548c\u89e3\u51b3\u6027\u80fd\u74f6\u9888\uff0c\u63d0\u9ad8\u4e86\u670d\u52a1\u5668\u96c6\u7fa4\u7684\u6574\u4f53\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"TD3Wk\">5. Sysdig\uff1a\u5bb9\u5668\u76d1\u63a7\u548c\u5b89\u5168<\/h3>\n\n\n\n<p id=\"u2da0b212\"><strong>\u80cc\u666f<\/strong>\uff1aSysdig \u63d0\u4f9b\u5bb9\u5668\u76d1\u63a7\u548c\u5b89\u5168\u89e3\u51b3\u65b9\u6848\uff0c\u9700\u8981\u5bf9\u5bb9\u5668\u5316\u73af\u5883\u8fdb\u884c\u5168\u9762\u76d1\u63a7\u3002<\/p>\n\n\n\n<p id=\"ua697168e\"><strong>\u5e94\u7528<\/strong>\uff1aSysdig \u4f7f\u7528 eBPF \u6355\u83b7\u548c\u5206\u6790\u5bb9\u5668\u5185\u7684\u7cfb\u7edf\u8c03\u7528\u3001\u7f51\u7edc\u6d41\u91cf\u548c\u6587\u4ef6\u64cd\u4f5c\u3002\u4ed6\u4eec\u5229\u7528 eBPF \u63d0\u4f9b\u7684\u8be6\u7ec6\u6570\u636e\uff0c\u5b9e\u73b0\u4e86\u5bf9\u5bb9\u5668\u7684\u5b9e\u65f6\u76d1\u63a7\u548c\u5b89\u5168\u5ba1\u8ba1\uff0c\u5e2e\u52a9\u7528\u6237\u8bc6\u522b\u548c\u89e3\u51b3\u6f5c\u5728\u7684\u6027\u80fd\u548c\u5b89\u5168\u95ee\u9898\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"GNiIG\">6. Pinterest\uff1a\u5fae\u670d\u52a1\u6027\u80fd\u4f18\u5316<\/h3>\n\n\n\n<p id=\"u5295a3a6\"><strong>\u80cc\u666f<\/strong>\uff1aPinterest \u9700\u8981\u4f18\u5316\u5176\u5fae\u670d\u52a1\u67b6\u6784\u7684\u6027\u80fd\uff0c\u4ee5\u786e\u4fdd\u9ad8\u5e76\u53d1\u8bf7\u6c42\u7684\u9ad8\u6548\u5904\u7406\u3002<\/p>\n\n\n\n<p id=\"u49325ee1\"><strong>\u5e94\u7528<\/strong>\uff1aPinterest \u4f7f\u7528 eBPF \u76d1\u63a7\u5fae\u670d\u52a1\u7684\u7cfb\u7edf\u8c03\u7528\u548c\u7f51\u7edc\u8bf7\u6c42\uff0c\u5206\u6790\u5fae\u670d\u52a1\u4e4b\u95f4\u7684\u901a\u4fe1\u5ef6\u8fdf\u548c\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u3002\u4ed6\u4eec\u5229\u7528\u8fd9\u4e9b\u6570\u636e\u8fdb\u884c\u6027\u80fd\u4f18\u5316\uff0c\u786e\u4fdd\u5404\u4e2a\u5fae\u670d\u52a1\u9ad8\u6548\u534f\u540c\u5de5\u4f5c\uff0c\u63d0\u9ad8\u4e86\u6574\u4f53\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"MfGpo\">\u5177\u4f53\u5e94\u7528\u5de5\u5177\u793a\u4f8b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>bcc \u5de5\u5177\u96c6<\/strong>\uff1abcc \u63d0\u4f9b\u7684\u5de5\u5177\u7f16\u5199\u548c\u8fd0\u884c\u81ea\u5b9a\u4e49\u7684 eBPF \u7a0b\u5e8f\uff0c\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\u548c\u5206\u6790\u3002<\/li>\n\n\n\n<li><strong>bpftrace<\/strong>\uff1a\u9002\u7528\u4e8e\u4e34\u65f6\u7f16\u5199\u548c\u6267\u884c\u8ddf\u8e2a\u811a\u672c\uff0c\u4f7f\u7528 bpftrace \u5bf9\u5176\u670d\u52a1\u5668\u8fdb\u884c\u6df1\u5165\u7684\u6027\u80fd\u5206\u6790\u3002<\/li>\n\n\n\n<li><strong>Cilium<\/strong>\uff1a\u4f7f\u7528 Cilium\uff08\u4e00\u4e2a\u57fa\u4e8e eBPF \u7684\u5f00\u6e90\u9879\u76ee\uff09\u6765\u5b9e\u73b0\u9ad8\u7ea7\u7f51\u7edc\u5b89\u5168\u548c\u6d41\u91cf\u7ba1\u7406\u529f\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"VGk5d\">\u4ee3\u7801\u793a\u4f8b\uff1a\u7f51\u7edc\u6570\u636e\u5305\u76d1\u63a7<\/h3>\n\n\n\n<p id=\"u914cefce\">\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 bcc \u548c eBPF \u76d1\u63a7\u7f51\u7edc\u6570\u636e\u5305\u7684\u7b80\u5355\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre id=\"j38WK\" class=\"wp-block-code\"><code>from bcc import BPF\n\n# Define eBPF program\nbpf_program = \"\"\"\nint packet_monitor(struct __sk_buff *skb) {\n    bpf_trace_printk(\"Packet captured\\\\n\");\n    return 0;\n}\n\"\"\"\n\n# Load eBPF program\nb = BPF(text=bpf_program)\n\n# Attach eBPF program to network interface\nb.attach_kprobe(event=\"dev_queue_xmit\", fn_name=\"packet_monitor\")\n\n# Print captured packets\nprint(\"Starting to monitor packets. Press Ctrl-C to exit.\")\nwhile True:\n    try:\n        (task, pid, cpu, flags, ts, msg) = b.trace_fields()\n        print(\"%s\" % msg)\n    except KeyboardInterrupt:\n        break<\/code><\/pre>\n\n\n\n<p id=\"u4a3824f5\">\u8fd0\u884c\u4e0a\u8ff0\u4ee3\u7801\u540e\uff0c\u6bcf\u5f53\u7f51\u7edc\u63a5\u53e3\u6355\u83b7\u5230\u4e00\u4e2a\u6570\u636e\u5305\u65f6\uff0c\u90fd\u4f1a\u8f93\u51fa\u4e00\u6761\u6d88\u606f\u3002\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 eBPF \u5b9e\u73b0\u7f51\u7edc\u6570\u636e\u5305\u76d1\u63a7\u3002<\/p>\n\n\n\n<p id=\"uf947fb6f\">\u8fd9\u4e9b\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u5c55\u793a\u4e86 eBPF \u7684\u5e7f\u6cdb\u9002\u7528\u6027\u548c\u5f3a\u5927\u529f\u80fd\uff0c\u901a\u8fc7 eBPF\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u3001\u7075\u6d3b\u548c\u5b89\u5168\u7684\u7cfb\u7edf\u76d1\u63a7\u548c\u4f18\u5316\uff0c\u4ece\u800c\u63d0\u5347\u7cfb\u7edf\u6574\u4f53\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662feBPF eBPF\uff08extended Berkeley Packet Filter\uff09\u662f\u4e00\u79cd\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u5185 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-300","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts\/300","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=300"}],"version-history":[{"count":1,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions"}],"predecessor-version":[{"id":307,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions\/307"}],"wp:attachment":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}