{"id":33258,"date":"2024-01-10T14:20:18","date_gmt":"2024-01-10T06:20:18","guid":{"rendered":"https:\/\/www.deepin.org\/?p=33258"},"modified":"2024-01-18T16:32:42","modified_gmt":"2024-01-18T08:32:42","slug":"evolution-of-ebpf-1","status":"publish","type":"post","link":"https:\/\/www.deepin.org.cn\/zh\/evolution-of-ebpf-1\/","title":{"rendered":"eBPF \u7684\u53d1\u5c55\u6f14\u8fdb --- \u4ece\u77f3\u5668\u65f6\u4ee3\u5230\u6210\u4e3a\u795e\uff08\u4e00\uff09"},"content":{"rendered":"<h2><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/storage.deepin.org\/thread\/202401100620067221_1.jpeg\" alt=\"\" width=\"900\" height=\"383\" \/><\/h2>\n<h1>1. \u524d\u8a00<\/h1>\n<div>\n<div>\u6280\u672f\u7684\u53d1\u5c55\u5f80\u5f80\u662f\u79ef\u8dec\u6b65\u800c\u81f3\u5343\u91cc\u7684\u3002Linux \u4ece 92 \u5e74\u8bde\u751f\uff0c\u53d1\u5c55\u81f3\u4eca\u5df2\u7ecf\u8986\u76d6\u5927\u5c0f\u5404\u7c7b\u7684\u4fe1\u606f\u57fa\u7840\u8bbe\u65bd\u3002\u662f\u4ec0\u4e48\u6837\u7684\u529b\u91cf\uff0c\u8ba9 Linux \u80fd\u591f\u59cb\u7ec8\u4fdd\u6301\u53d1\u5c55\u6d3b\u529b\uff0c\u53c8\u5982\u4f55\u770b\u5f85 Linux \u4e4b\u4e0a\u51fa\u73b0\u7684\u65b0\u7684\u6280\u672f\u8d8b\u52bf\uff1f<\/div>\n<div><\/div>\n<\/div>\n<div>\n<div>\u672c\u6587\u8bd5\u56fe\u901a\u8fc7\u68b3\u7406 eBPF \u7684\u6f14\u8fdb\u8fc7\u7a0b\uff0c\u63a2\u7d22 Linux \u5185\u6838\u7684\u53d1\u5c55\u52a8\u529b\u6765\u6e90\u4e0e\u53d1\u5c55\u8f68\u8ff9\uff0c\u4e0e\u5927\u5bb6\u4e00\u540c\u7545\u60f3 eBPF \u7ed9\u5185\u6838\u6280\u672f\u3001Linux \u751f\u6001\u5e26\u6765\u7684\u5168\u65b0\u53d8\u5c40\u3002<\/div>\n<div><\/div>\n<div><\/div>\n<\/div>\n<h1>2. eBPF \u6982\u89c8<\/h1>\n<h2>2.1.\u00a0<strong>\u5b9e\u73b0\u539f\u7406<\/strong><\/h2>\n<div><\/div>\n<div>\n<div>\u5927\u5bb6\u53ef\u80fd\u90fd\u77e5\u9053\u56fe\u7075\u673a\uff0c\u8fd9\u662f\u4e00\u4e2a\u53ef\u8ba1\u7b97\u7406\u8bba\u6a21\u578b\uff0c\u53ef\u4ee5\u7528\u6765\u5224\u65ad\u8ba1\u7b97\u673a\u7684\u8ba1\u7b97\u80fd\u529b\u3002\u56fe\u7075\u673a\u662f\u76ee\u524d\u6709\u53ef\u80fd\u5b9e\u73b0\u7684\u8ba1\u7b97\u80fd\u529b\u6700\u5f3a\u7684\u7406\u8bba\u6a21\u578b\uff0c\u76ee\u524d\u6211\u4eec\u5e38\u7528\u7684\u8ba1\u7b97\u673a\uff0c\u7406\u8bba\u4e0a\u90fd\u662f\u7b49\u4ef7\u4e8e\u56fe\u7075\u673a\u7684\u3002<\/div>\n<div><\/div>\n<\/div>\n<div>\n<div>BPF \u7684\u51fa\u73b0\uff0c\u662f\u5bf9\u8ba1\u7b97\u80fd\u529b\u7684\u6e34\u6c42\uff0c\u5176\u539f\u7406\u5c31\u662f\u901a\u8fc7 IR \u6a21\u62df\u4e00\u53f0 RISC \u6307\u4ee4\u96c6\u7684\u8ba1\u7b97\u673a\u5d4c\u5165\u5230\u5185\u6838\u4e2d\uff0c\u5c06\u5185\u6838\u5185\u90e8\u7684\u9759\u6001\u7f16\u8bd1\u903b\u8f91\u8f6c\u53d8\u4e3a\u66f4\u52a0\u7075\u6d3b\u7684\u52a8\u6001\u7f16\u8bd1\u903b\u8f91\uff0c\u4f7f\u5185\u6838\u83b7\u5f97\u8fd1\u4f3c\u4e8e\u56fe\u7075\u673a\u7684\u52a8\u6001\u903b\u8f91\u5b9a\u5236\u80fd\u529b\u3002\u800c\u4ece classic BPF \u5230 extended BPF \u7684\u53d1\u5c55\uff0c\u662f\u5c06\u8fd9\u4e00\u8ba1\u7b97\u65b9\u5f0f\u8fdb\u4e00\u6b65\u592f\u5b9e\u548c\u901a\u7528\u5316\u3002<\/div>\n<div><\/div>\n<\/div>\n<div>\n<div>BPF \u7684\u51fa\u73b0\u4e43\u81f3\u5230 eBPF \u7684\u8fdb\u4e00\u6b65\u53d1\u5c55\uff0c\u4e3a\u5185\u6838\u5e26\u6765\u4e86\u5de8\u5927\u7684\u6539\u53d8\uff0c\u4f7f\u5185\u6838\u5177\u5907\u4e86\u66f4\u52a0\u5f3a\u5927\u3001\u53ef\u7f16\u7a0b\u7684\u52a8\u6001\u53d8\u5316\u7684\u80fd\u529b\u3002\u8fd9\u79cd\u80fd\u529b\u5728\u5404\u79cd\u9700\u8981\u5b9a\u5236\u5316\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u5c06\u53d1\u6325\u5de8\u5927\u7684\u4ef7\u503c\uff0c\u65e2\u53ef\u4ee5\u7528\u4e8e\u6269\u5c55\u529f\u80fd\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u4f18\u5316\u6027\u80fd\u3002<\/div>\n<div><\/div>\n<\/div>\n<div>\n<div>\u5728\u5b9e\u73b0\u4e0a\uff0c\u4e3a\u9002\u5e94\u4e0d\u540c\u4e1a\u52a1\u573a\u666f\u7684\u9700\u6c42\uff0c\u4f7f eBPF \u5177\u5907\u7b49\u4ef7\u4e8e\u4e00\u53f0 RISC \u6307\u4ee4\u96c6\u8ba1\u7b97\u673a\u7684\u8ba1\u7b97\u80fd\u529b\uff0c\u901a\u8fc7\u8f93\u5165\u53c2\u6570\u3001Map \u6570\u636e\u5b58\u50a8\u3001Helper \u5e2e\u52a9\u51fd\u6570\uff0c\u6784\u6210\u4e86 eBPF \u7a0b\u5e8f\u4e0e\u5185\u6838\u4ea4\u4e92\u7684\u8fd0\u884c\u73af\u5883\u3002eBPF \u6307\u4ee4\u96c6\u7684\u8ba1\u7b97\u548c\u63a7\u5236\u80fd\u529b\u3001\u8fd0\u884c\u73af\u5883\u4e0e\u5185\u6838\u7684\u4ea4\u4e92\u80fd\u529b\uff0c\u4e24\u8005\u53e0\u52a0\u6784\u6210\u4e86 eBPF \u7a0b\u5e8f\u5f3a\u5927\u7684\u5904\u7406\u80fd\u529b\u3002<\/div>\n<div><\/div>\n<\/div>\n<div>\n<div>\u5728\u5b89\u5168\u65b9\u9762\uff0c\u901a\u8fc7 Verifier \u4e25\u683c\u68c0\u67e5 eBPF \u7a0b\u5e8f\u7684\u53ef\u5b8c\u6210\u6027\u3001\u6570\u636e\u8bbf\u95ee\u7684\u5408\u6cd5\u6027\u7b49\uff0c\u4fdd\u8bc1\u4e86 eBPF \u7a0b\u5e8f\u4e0e\u5185\u6838\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u5185\u6838\u4e0d\u88ab\u6302\u8d77\u3001\u6838\u5fc3\u6570\u636e\u4e0d\u4f1a\u88ab\u7834\u574f\u3002<\/div>\n<\/div>\n<div>\n<div>BPF \u53d1\u5c55\u8fc7\u7a0b\u4e2d\uff0c\u7531 cBPF \u53d1\u5c55\u6210\u4e3a eBPF \u662f\u4e00\u6b21\u5927\u7684\u6280\u672f\u5347\u7ea7\u3002eBPF \u5728 cBPF \u7684\u57fa\u7840\u4e0a\u91cd\u65b0\u8bbe\u8ba1\u4e86\u6307\u4ee4\u96c6\u3001\u5f15\u5165\u4e86 JIT\u3001\u589e\u52a0\u4e86\u8f85\u52a9\u51fd\u6570\uff0c\u5927\u5927\u6269\u5c55\u4e86\u590d\u6742\u903b\u8f91\u7684\u8bbe\u8ba1\u80fd\u529b\u3002\u867d\u7136 eBPF \u6709\u5de8\u5927\u7684\u8fdb\u6b65\uff0c\u4f46\u662f\u57fa\u672c\u7684\u5e95\u5c42\u8bbe\u8ba1\u8fd8\u662f\u4e00\u81f4\u7684\uff0c\u56e0\u6b64\u4e24\u8005\u7edf\u79f0\u4e3a BPF\u3002<\/div>\n<div><\/div>\n<\/div>\n<div>\n<div>\u7531\u4e8e eBPF \u517c\u5bb9 cBPF\uff0c\u5728\u672a\u6307\u5b9a\u65f6\uff0cBPF \u66f4\u591a\u6307 eBPF \u6240\u5b9a\u4e49\u7684\u5185\u6db5\u3002\u540e\u6587\u7528 BPF \u6cdb\u6307\u6574\u4e2a BPF \u76f8\u5173\u7684\u57fa\u7840\u673a\u5236\uff0ceBPF \u7279\u6307\u6700\u65b0\u7684 BPF \u6807\u51c6\u3002<\/div>\n<div><\/div>\n<div><\/div>\n<\/div>\n<h2>2.2.\u00a0<strong>\u6280\u672f\u7279\u70b9<\/strong><\/h2>\n<div>\n<div>BPF \u8fd8\u5728\u5feb\u901f\u53d1\u5c55\uff0c\u5b83\u7684\u8ba1\u7b97\u80fd\u529b\u548c\u5b8c\u5907\u6027\u4e5f\u5728\u8fc5\u901f\u63d0\u9ad8\uff0c\u524d\u666f\u65e0\u9650\u3002\u4f46\u5c31\u5177\u4f53\u7684\u7248\u672c\u800c\u8a00\uff0c\u5374\u53c8\u5448\u73b0\u5177\u4f53\u6280\u672f\u7279\u70b9\uff0c\u4e3b\u8981\u662f\u5176\u652f\u6301\u7684\u80fd\u529b\u548c\u53d7\u5230\u7684\u7ea6\u675f\u4e24\u4e2a\u65b9\u9762\u3002\u4ee5\u6700\u65b0\u7684 BPF \u7684\u6280\u672f\u6807\u51c6 (v6.1) \u4e3a\u84dd\u672c\uff0c\u4ecb\u7ecd BPF \u7684\u4e3b\u8981\u6280\u672f\u7279\u70b9\u3002<\/div>\n<div><\/div>\n<\/div>\n<ul>\n<li>\n<div>RISC \u6307\u4ee4\u96c6<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>BPF \u7684\u6838\u5fc3\u662f\u4e00\u4e2a\u865a\u62df\u8ba1\u7b97\u673a\uff0c\u5b83\u91c7\u7528\u7c7b RISC \u6307\u4ee4\u96c6\uff0c\u652f\u6301\u8df3\u8f6c\u3001\u7b97\u6570\u8fd0\u7b97\u3001\u5c3e\u8c03\u7528\u7b49\u57fa\u672c\u64cd\u4f5c\u3002\u5728\u8fd0\u884c BPF \u7a0b\u5e8f\u7684\u8ba1\u7b97\u673a\u4e0a\uff0cBPF \u6307\u4ee4\u4f1a\u88ab\u5185\u6838\u7684 JIT \u7f16\u8bd1\u5668\u52a8\u6001\u7f16\u8bd1\u4e3a\u7269\u7406\u673a\u539f\u751f\u6307\u4ee4\uff0c\u5b9e\u73b0\u8fd0\u884c\u6548\u7387\u7684 \u201c\u96f6\u201d \u635f\u8017\u3002\u5728\u652f\u6301 BPF \u5378\u8f7d\u7684\u8bbe\u5907\u4e0a\uff0cBPF \u7a0b\u5e8f\u4e5f\u53ef\u4ee5\u5378\u8f7d\u5230\u8bbe\u5907\u4e0a\u6267\u884c\u3002\u5728 BPF \u7684\u6307\u4ee4\u96c6\u4e2d\u8fd8\u652f\u6301\u4f2a\u8c03\u7528\u6307\u4ee4\uff0c\u53ef\u4ee5\u8c03\u7528\u5230\u5185\u6838\u5e2e\u52a9\u51fd\u6570\u3002<\/div>\n<\/div>\n<div>\n<div>\u540c\u65f6\uff0cBPF \u7684\u6307\u4ee4\u7684\u7f16\u7801\u7a7a\u95f4\u4e2d\u8fd8\u6709\u5927\u91cf\u7684\u50a8\u5907\uff0c\u672a\u6765\u6839\u636e\u9700\u8981\u4e00\u5b9a\u8fd8\u4f1a\u7ee7\u7eed\u589e\u52a0\u6307\u4ee4\uff0c\u63d0\u5347 BPF \u5b9e\u73b0\u590d\u6742\u903b\u8f91\u7684\u80fd\u529b\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>Map<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u57fa\u4e8e\u952e\u503c\u5bf9\u7684\u6570\u636e\u5b58\u50a8\u673a\u5236\uff0c\u53ef\u7528\u4e8e\u5b9e\u73b0\u5185\u6838\u3001\u7528\u6237\u6001\u7684\u6570\u636e\u5b58\u50a8\u548c\u4ea4\u6362\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>Helper \u51fd\u6570<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u4e13\u7528\u4e8e BPF \u7a0b\u5e8f\u8c03\u7528\u7684\u51fd\u6570\u63a5\u53e3\uff0c\u7528\u4e8e\u5c01\u88c5\u5185\u6838\u4e2d\u7684\u529f\u80fd\uff0c\u4f7f BPF \u7a0b\u5e8f\u53ef\u4ee5\u548c\u5185\u6838\u4e92\u64cd\u4f5c\uff0c\u540c\u65f6\u4fdd\u6301 BPF \u7a0b\u5e8f\u548c\u5185\u6838\u7684\u5b89\u5168\u9694\u79bb\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>BPF \u5b50\u7a0b\u5e8f<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u5b9e\u73b0\u4e86 BPF \u7a0b\u5e8f\u4e4b\u95f4\u7684\u8c03\u7528\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u4e0a\u4e0b\u6587<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>BPF \u7a0b\u5e8f\u7684\u8bed\u5883\u548c\u8fd0\u884c\u4e0a\u4e0b\u6587\uff0c\u662f\u4e00\u79cd\u5185\u90e8\u900f\u660e\u7684\u6570\u636e\u7ed3\u6784\u3002\u53ea\u6709\u5728\u660e\u786e BPF \u7a0b\u5e8f\u7684\u7c7b\u578b\u65f6\uff0c\u4e0a\u4e0b\u6587\u7684\u5b9a\u4e49\u548c\u5185\u90e8\u6570\u636e\u7ed3\u6784\u624d\u662f\u786e\u5b9a\u7684\u3002\u4e0d\u540c\u7684 BPF \u7a0b\u5e8f\u7c7b\u578b\uff0c\u4e0a\u4e0b\u6587\u4e5f\u5404\u4e0d\u76f8\u540c\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>CO-RE<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u901a\u8fc7\u8fd0\u884c\u65f6\u7c7b\u578b\u652f\u6301\uff0c\u5b9e\u73b0\u4e00\u6b21\u7f16\u8bd1\u3001\u968f\u5904\u8fd0\u884c\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u652f\u6301\u7279\u6743\u548c\u975e\u7279\u6743\u7ea7\u4e24\u7c7b\u8fd0\u884c\u6a21\u5f0f<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u5206\u4e3a\u7279\u6743\u7ea7\uff08\u767e\u4e07 ins\uff09\u548c\u975e\u7279\u6743\u7ea7\uff084096ins\uff09\u4e24\u7c7b\u8fd0\u884c\u65b9\u5f0f\u3002<\/div>\n<\/div>\n<div>\n<div>\u7279\u6743\u7ea7\u6a21\u5f0f\u4e0b BPF \u7a0b\u5e8f\u53ef\u4ee5\u83b7\u5f97\u66f4\u5bbd\u7684\u6743\u9650\uff0c\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u903b\u8f91\u529f\u80fd\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u4fdd\u8bc1\u5411\u540e\u517c\u5bb9<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u8fd9\u4e00\u539f\u5219\u5bf9\u4e8e BPF \u7684\u63a8\u5e7f\u5e94\u7528\u975e\u5e38\u91cd\u8981\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u65e7\u6807\u51c6\u7684 BPF \u7a0b\u5e8f\u5728\u65b0\u6807\u51c6\u4e0b\u4e5f\u53ef\u4ee5\u6b63\u786e\u6267\u884c\u3002\u4f46\u540c\u65f6\uff0c\u4e5f\u5bf9\u672a\u6765 BPF \u53d1\u5c55\u5e26\u6765\u4e86\u7ea6\u675f\uff0c\u53ea\u6709\u628a\u63e1\u597d BPF \u7684\u53d1\u5c55\u65b9\u5411\uff0c\u505a\u597d\u5e95\u5c42\u8bbe\u8ba1\uff0c\u624d\u80fd\u4e24\u8005\u5f97\u5230\u517c\u987e\u3002<\/div>\n<\/div>\n<div>\n<div>\u6bd4\u5982\uff0c\u4ece\u8001\u7248\u672c\u9057\u7559\u4e0b\u6765\u7684 cBPF \u7a0b\u5e8f\u5728 eBPF \u4e2d\u90fd\u4f1a\u88ab JIT \u6b63\u786e\u7ffb\u8bd1\u548c\u6267\u884c\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u7a33\u5b9a\u7684 ABI<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>BPF \u7a33\u5b9a\u7684 ABI \u5305\u62ec\uff0cBPF \u7a0b\u5e8f\u7c7b\u578b\u5bf9\u5e94\u7684\u8f93\u5165\u53c2\u6570\u5b9a\u4e49\uff0c\u53ef\u8c03\u7528\u7684\u5185\u6838\u5e2e\u52a9\u51fd\u6570\u5b9a\u4e49\uff0c\u8fd4\u56de\u503c\u5b9a\u4e49\u7b49\u3002\u4f7f\u7528\u7a33\u5b9a\u7684 ABI \u7684 BPF \u7a0b\u5e8f\uff0c\u53ef\u4fdd\u8bc1\u4e0e\u4e0d\u540c\u7248\u672c\u7684\u5185\u6838\u90fd\u662f\u517c\u5bb9\u7684\u3002<\/div>\n<\/div>\n<div>\n<div>\u53e6\u5916\uff0cBPF \u8fd8\u5728\u5feb\u901f\u53d1\u5c55\u4e2d\uff0c\u5b83\u7684\u529f\u80fd\u7279\u6027\u9700\u8981\u9010\u6b65\u91ca\u653e\uff0c\u56e0\u6b64\u76ee\u524d\u8fd8\u6709\u8bf8\u591a\u9650\u5236\uff0c\u5176\u4e2d\u6709\u4e9b\u662f\u57fa\u4e8e\u5b89\u5168\u3001\u53ef\u9760\u6027\u8003\u8651\uff0c\u6709\u4e9b\u662f\u6ca1\u6709\u8d85\u51fa\u8303\u56f4\u7684\u5e94\u7528\u9700\u6c42\u7684\u4fdd\u5b88\u8bbe\u8ba1\u7b49\u7b49\u3002\u968f\u7740\u5b89\u5168\u673a\u5236\u7684\u5b8c\u5584\u3001\u5e94\u7528\u7a0b\u5e8f\u7684\u6269\u5c55\u3001\u751f\u6001\u4f53\u7cfb\u7684\u6210\u719f\uff0c\u76f8\u5e94\u7684\u9650\u5236\u4e5f\u4f1a\u9010\u6b65\u7684\u6539\u53d8\u3002<\/div>\n<\/div>\n<div>\n<div>\u76ee\u524d\u7684\u5b9e\u73b0\u4e2d\uff0c\u6709\u5982\u4e0b\u9650\u5236\uff1a<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u603b\u8fd0\u884c\u65f6\u95f4\u6709\u754c<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u6709\u754c\u6027\u8fd9\u662f\u57fa\u672c\u539f\u5219\uff0c\u5e94\u8be5\u5728\u6bd4\u8f83\u957f\u7684\u65f6\u95f4\u5185\u90fd\u4e0d\u4f1a\u6539\u53d8\u3002\u4f46\u662f\uff0c\u5728\u4e0d\u6539\u53d8\u6709\u754c\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u6839\u636e\u5177\u4f53\u9700\u8981\u9002\u5f53\u8c03\u6574\u66f4\u5408\u7406\u7684\u4e0a\u9650\uff0c\u8fd9\u662f\u5b58\u5728\u6781\u5927\u53ef\u80fd\u7684\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u6307\u4ee4\u603b\u6570\u9650\u5236<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u975e\u7279\u6743\u7528\u6237\u6700\u5927\u6307\u4ee4\u6570 4096\uff0c\u7279\u6743\u7528\u6237\u6700\u5927\u6307\u4ee4\u6570 1 \u767e\u4e07\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u5206\u652f\u6570\u9650\u5236<\/div>\n<\/li>\n<li>\n<div>BPF \u8c03\u7528\u5d4c\u5957\u5c42\u6b21\u9650\u5236<\/div>\n<\/li>\n<li>\n<div>Map \u5b9e\u4f8b\u6570\u9650\u5236<\/div>\n<\/li>\n<li>\n<div>\u9a8c\u8bc1\u72b6\u6001\u6570\u9650\u5236<\/div>\n<\/li>\n<li>\n<div>\u6700\u5927\u5206\u652f\u6570\u9650\u5236<\/div>\n<\/li>\n<li>\n<div>\u5806\u6808\u957f\u5ea6\u9650\u5236<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u76ee\u524d\u652f\u6301\u7684\u5806\u6808\u6700\u5927\u957f\u5ea6\u4e3a 512 \u5b57\u8282\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u4e0a\u4e0b\u6587\u9650\u5236<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u6bcf\u4e00\u79cd\u7c7b\u578b\u7684 BPF \u7a0b\u5e8f\uff0c\u90fd\u6709\u5176\u5bf9\u5e94\u8f93\u5165\u53c2\u6570\u5b9a\u4e49\uff0c\u5f7c\u6b64\u4e0d\u540c\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cBPF \u7a0b\u5e8f\u53ea\u80fd\u63a5\u53d7\u7279\u5b9a\u7684\u8f93\u5165\u5e76\u8fdb\u884c\u5904\u7406\uff0c\u4e0d\u80fd\u8bbf\u95ee\u5185\u6838\u7684\u5168\u90e8\u72b6\u6001\u7a7a\u95f4\u3002<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u8f85\u52a9\u51fd\u6570\u9650\u5236<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u6bcf\u4e00\u4e2a BPF \u7a0b\u5e8f\u7c7b\uff0c\u90fd\u6709\u5176\u5bf9\u5e94\u7684\u8f85\u52a9\u51fd\u6570\u96c6\u5408\u3002\u8fd9\u4e9b\u8f85\u52a9\u51fd\u6570\uff0c\u7531\u5185\u6838\u5404\u5b50\u7cfb\u7edf\u63d0\u4f9b\uff0c\u662f BPF \u7a0b\u5e8f\u7c7b\u4e0a\u4e0b\u6587\u7684\u4e00\u90e8\u5206\u3002\u5b83\u4eec\u5e2e\u52a9 BPF \u7a0b\u5e8f\u4e0e\u5185\u6838\u5404\u5b50\u7cfb\u7edf\u4ea4\u4e92\uff0c\u540c\u65f6\u53c8\u4fdd\u62a4\u5185\u6838\u4e0d\u4f1a\u88ab\u7834\u574f\u3002<\/div>\n<\/div>\n<div>\n<div>\u4e0a\u9762\u8d58\u8ff0\u4e86\u5f88\u591a\u7279\u6027\uff0c\u5927\u5bb6\u53ef\u80fd\u4f1a\u6709\u5f88\u591a\u7591\u95ee\uff0c\u6bd4\u5982\uff1a<\/div>\n<\/div>\n<div>\n<div>\u4e3a\u4ec0\u4e48\u91c7\u7528\u7cbe\u7b80\u6307\u4ee4\u96c6\u5462\uff1f\u56e0\u4e3a\u8fd9\u662f\u76ee\u524d\u6700\u4e3b\u6d41\u7684\u6307\u4ee4\u96c6\u7c7b\u578b\uff0c\u76f8\u5bf9\u4e8e\u590d\u6742\u6307\u4ee4\u96c6\uff0c\u7cbe\u7b80\u6307\u4ee4\u96c6\u66f4\u6709\u5229\u4e8e\u5b9e\u73b0\u66f4\u9ad8\u5bc6\u5ea6\u3001\u66f4\u9ad8\u541e\u5410\u91cf\u3001\u66f4\u9ad8\u4e3b\u9891\u7684\u5904\u7406\u5668\u3002\u56e0\u6b64 x86 \u4e4b\u540e\u51fa\u73b0\u7684\u65b0\u578b\u6307\u4ee4\u96c6\u7cfb\u7edf\uff0c\u7edd\u5927\u591a\u6570\u90fd\u662f\u7cbe\u7b80\u6307\u4ee4\u96c6\uff0c\u5305\u62ec\u73b0\u5728\u7684\u5f00\u6e90\u6307\u4ee4\u96c6 RISC-V\u3002<\/div>\n<\/div>\n<div>\n<div>\u4e3a\u4ec0\u4e48\u4e0d\u91c7\u7528\u539f\u751f\u7684\u6307\u4ee4\u96c6\u5462\uff1f<\/div>\n<\/div>\n<div>\n<div>\u4e3a\u4ec0\u4e48 5 \u4e2a\u53c2\u6570\u5bc4\u5b58\u5668\u5462\uff1f<\/div>\n<\/div>\n<div>\n<div>\u672c\u7bc7\u6682\u4e0d\u6df1\u5165\u8ba8\u8bba\uff0c\u540e\u7eed\u4e3b\u9898\u6d89\u53ca\u5230\u7684\u65f6\u5019\u518d\u8be6\u7ec6\u8bb2\u89e3\u3002<\/div>\n<\/div>\n<div><\/div>\n<div><\/div>\n<h2>2.3.\u00a0<strong>\u5e94\u7528\u4ef7\u503c<\/strong><\/h2>\n<div>\n<div>BPF \u7684\u5e94\u7528\u4ef7\u503c\u4e0e\u5176\u52a8\u6001\u548c\u53ef\u5b9a\u5236\u7279\u6027\u5f3a\u76f8\u5173\u3002<\/div>\n<\/div>\n<div>\n<div>\u5185\u6838\u7814\u53d1\u4e2d\u4e00\u76f4\u575a\u5b88\u7684\u539f\u5219\u662f\uff1a\u201c\u673a\u5236\u4e0e\u7b56\u7565\u5206\u79bb\u201d\uff0c\u5373\uff1a\u5185\u6838\u8d1f\u8d23\u63d0\u4f9b\u673a\u5236\uff0c\u5c06\u7b56\u7565\u5f00\u653e\u7ed9\u4e0a\u5c42\u3002\u5728\u673a\u5236\u4e0e\u7b56\u7565\u4e4b\u95f4\u9700\u8981\u4e00\u5c42\u754c\u9762\u6765\u8fdb\u884c\u4ea4\u4e92\u3002<\/div>\n<\/div>\n<div>\n<div>\u7cfb\u7edf\u8c03\u7528\u662f\u6700\u521d\u65b9\u6848\u3002\u5b83\u662f\u5355\u5411\u53d1\u8d77\u7684\uff0c\u7f3a\u5c11\u4e8b\u4ef6\u6a21\u578b\u3002<\/div>\n<\/div>\n<div>\n<div>\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e86\u53cc\u5411\u7684\u4ea4\u4e92\u65b9\u5f0f\uff0c\u4f46\u96be\u4ee5\u7075\u6d3b\u5b9a\u5236\u590d\u6742\u7684\u903b\u8f91\u3002<\/div>\n<\/div>\n<div>\n<div>\u7531\u4e8e\u8f6f\u4ef6\u529f\u80fd\u8d8a\u6765\u8d8a\u590d\u6742\uff0c\u65e0\u6cd5\u7528\u7b80\u5355\u89c4\u5219\u6765\u8868\u8fbe\uff0c\u8f6f\u4ef6\u7684\u57fa\u7840\u529f\u80fd\u8bbe\u65bd\u4e0e\u4e1a\u52a1\u903b\u8f91\uff0c\u9700\u8981\u8fdb\u884c\u89e3\u5076\u3002\u800c\u4e1a\u52a1\u903b\u8f91\u90e8\u5206\uff0c\u9700\u8981\u6839\u636e\u4e1a\u52a1\u5b9a\u5236\uff0c\u56e0\u6b64\u5f88\u9002\u5408\u7528 BPF \u5b9e\u73b0\u3002\u6bd4\u5982\uff1a<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u8fc7\u6ee4\u5668<\/div>\n<\/li>\n<li>\n<div>\u6743\u9650\u68c0\u67e5<\/div>\n<\/li>\n<li>\n<div>\u6a21\u7cca\u6d4b\u8bd5<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u7b49\u7c7b\u578b\u7684\u529f\u80fd\uff0c\u6bd4\u8f83\u9002\u5408\u7528 BPF \u5b9e\u73b0\u3002\u53e6\u5916\uff0c\u89c6\u5177\u4f53\u95ee\u9898\uff0c\u4e5f\u53ef\u4ee5\u5e94\u7528\u4e8e\uff1a<\/div>\n<\/div>\n<ul>\n<li>\n<div>\u8c03\u5ea6\u7b97\u6cd5<\/div>\n<\/li>\n<li>\n<div>\u7528\u6237\u6001\u4ea4\u4e92\uff08\u66ff\u4ee3\u7cfb\u7edf\u8c03\u7528\uff0c\u5b9e\u73b0\u66f4\u52a0\u53ef\u53d8\u7684\u670d\u52a1\u903b\u8f91\uff09<\/div>\n<\/li>\n<li>\n<div>\u52a0\u8f7d\u5668\u3001\u6a21\u62df\u5668\u3001\u517c\u5bb9\u5c42<\/div>\n<\/li>\n<li>\n<div>\u8f7b\u91cf\u5316\u5185\u6838<\/div>\n<\/li>\n<li>\n<div>\u591a\u6001\u5185\u6838<\/div>\n<\/li>\n<li>\n<div>\u542f\u52a8\u65b9\u5f0f<\/div>\n<\/li>\n<\/ul>\n<div>\n<div>\u6bcf\u4e00\u79cd\u4e1a\u52a1\u7c7b\u578b\u90fd\u6709\u5176\u72ec\u5177\u7279\u5f81\u7684\u903b\u8f91\u6a21\u578b\uff0c\u901a\u8fc7\u66f4\u5f62\u5f0f\u5316\u5730\u5b9a\u4e49\u8fd9\u4e9b\u4e1a\u52a1\u6a21\u578b\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u548c BPF \u7684\u7ed3\u5408\u6027\uff0c\u627e\u5230\u66f4\u597d\u7684\u5b9e\u73b0\u65b9\u6848\uff0c\u5145\u5206\u53d1\u6325 BPF \u5e26\u6765\u7684\u5f3a\u5927\u80fd\u529b\u3002\u540e\u7eed\u7bc7\u7ae0\uff0c\u6211\u4eec\u4f1a\u5bf9\u5178\u578b\u7684\u5e94\u7528\u6a21\u578b\u8fdb\u884c\u66f4\u6df1\u5165\u7684\u8ba8\u8bba\uff0c\u4ee5\u53ca BPF \u5728\u8fd9\u4e9b\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u5e94\u8be5\u5728\u54ea\u4e9b\u7279\u6027\u65b9\u9762\u8fdb\u884c\u52a0\u5f3a\u6216\u6539\u8fdb\u3002<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right;\">\u5185\u5bb9\u6765\u6e90\uff1a<a href=\"https:\/\/bbs.deepin.org\/post\/258235\">deepin\u793e\u533a<\/a><\/p>\n<p style=\"text-align: right;\">\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904<\/p>","protected":false},"excerpt":{"rendered":"<p>1. \u524d\u8a00 \u6280\u672f\u7684\u53d1\u5c55\u5f80\u5f80\u662f\u79ef\u8dec\u6b65\u800c\u81f3\u5343\u91cc\u7684\u3002Linux \u4ece 92 \u5e74\u8bde\u751f\uff0c\u53d1\u5c55\u81f3\u4eca\u5df2\u7ecf\u8986\u76d6\u5927\u5c0f\u5404\u7c7b\u7684\u4fe1\u606f\u57fa\u7840\u8bbe\u65bd\u3002\u662f\u4ec0\u4e48\u6837\u7684\u529b\u91cf\uff0c\u8ba9 Linux \u80fd\u591f\u59cb\u7ec8\u4fdd\u6301\u53d1\u5c55\u6d3b\u529b\uff0c\u53c8\u5982\u4f55\u770b\u5f85 Linux \u4e4b\u4e0a\u51fa\u73b0\u7684\u65b0\u7684\u6280\u672f\u8d8b\u52bf\uff1f \u672c\u6587\u8bd5\u56fe\u901a\u8fc7\u68b3\u7406 eBPF \u7684\u6f14\u8fdb\u8fc7\u7a0b\uff0c\u63a2\u7d22 Linux \u5185\u6838\u7684\u53d1\u5c55\u52a8\u529b\u6765\u6e90\u4e0e\u53d1\u5c55\u8f68\u8ff9\uff0c\u4e0e\u5927\u5bb6\u4e00\u540c\u7545\u60f3 eBPF \u7ed9\u5185\u6838\u6280\u672f\u3001Linux \u751f\u6001\u5e26\u6765\u7684\u5168\u65b0\u53d8\u5c40\u3002 2. eBPF \u6982\u89c8 ...<a href=https:\/\/www.deepin.org.cn\/zh\/evolution-of-ebpf-1\/>\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":11164,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[155,93],"tags":[],"_links":{"self":[{"href":"https:\/\/www.deepin.org.cn\/zh\/wp-json\/wp\/v2\/posts\/33258"}],"collection":[{"href":"https:\/\/www.deepin.org.cn\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deepin.org.cn\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deepin.org.cn\/zh\/wp-json\/wp\/v2\/users\/11164"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deepin.org.cn\/zh\/wp-json\/wp\/v2\/comments?post=33258"}],"version-history":[{"count":2,"href":"https:\/\/www.deepin.org.cn\/zh\/wp-json\/wp\/v2\/posts\/33258\/revisions"}],"predecessor-version":[{"id":33260,"href":"https:\/\/www.deepin.org.cn\/zh\/wp-json\/wp\/v2\/posts\/33258\/revisions\/33260"}],"wp:attachment":[{"href":"https:\/\/www.deepin.org.cn\/zh\/wp-json\/wp\/v2\/media?parent=33258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deepin.org.cn\/zh\/wp-json\/wp\/v2\/categories?post=33258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deepin.org.cn\/zh\/wp-json\/wp\/v2\/tags?post=33258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}