{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fslankdev.hatenablog.com%2Fentry%2F2017%2F04%2F30%2F163638\" title=\"Bcc\u3068BPF\u3067Tracing - \u9ad8\u901f\u901a\u4fe1\u8a08\u7b97\u7814\u7a76\u6240\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","blog_title":"\u9ad8\u901f\u901a\u4fe1\u8a08\u7b97\u7814\u7a76\u6240","author_name":"slankdev","image_url":null,"published":"2017-04-30 16:36:38","height":"190","version":"1.0","blog_url":"https://slankdev.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/slankdev/","title":"Bcc\u3068BPF\u3067Tracing","description":"Packet\u3068\u306f\u306a\u3093\u306a\u306e\u304b\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306bBPF\u3092\u304b\u3058\u308a\u59cb\u3081\u305f\u3089 \u3069\u3064\u307c\u306b\u30cf\u30de\u3063\u3066\u3057\u307e\u3044\u3001\u3068\u308a\u3042\u3048\u305a\u3069\u3093\u306a\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u304b\u3092 \u7c21\u5358\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u66f8\u3044\u3066\u8a66\u3057\u305f. \u76ee\u6b21 bpf\u3067\u95a2\u6570call\u3092hook\u3059\u308b bpf\u3067\u95a2\u6570call\u306e\u5f15\u6570\u3092trace\u3059\u308b bpf\u3067\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u56de\u6570\u3092\u53d6\u308a\u51fa\u3059 \u672c\u8a18\u4e8b\u3067\u884c\u3046\u4f5c\u696d\u306e\u4e00\u822c\u7684\u306a\u624b\u9806\u3092\u4ee5\u4e0b\u306b\u793a\u3059 Bcc\u3067BPF Bytecode\u3092\u751f\u6210\u3059\u308b hook point\u306bBytecode\u3092\u8a2d\u5b9a\u3059\u308b \u4eca\u56de\u306fiovisor/bcc\u3092\u7528\u3044\u3066tracing\u3092\u884c\u3063\u305f\u3002 bpf\u3067\u95a2\u6570call\u3092hook\u3059\u308b \u4ee5\u4e0b\u306eslankdev_test\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u3092hook\u3057\u3066traces\u3059\u308b\u3002 \u2026","categories":[],"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","width":"100%","url":"https://slankdev.hatenablog.com/entry/2017/04/30/163638"}