{"title":"BPF\u306b\u95a2\u3059\u308b\u60c5\u5831\u53ce\u96c6","type":"rich","provider_name":"Hatena Blog","categories":[],"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/slankdev/20170508/20170508005046.png","url":"https://slankdev.hatenablog.com/entry/2017/05/06/164953","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fslankdev.hatenablog.com%2Fentry%2F2017%2F05%2F06%2F164953\" title=\"BPF\u306b\u95a2\u3059\u308b\u60c5\u5831\u53ce\u96c6 - \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>","height":"190","author_name":"slankdev","version":"1.0","blog_title":"\u9ad8\u901f\u901a\u4fe1\u8a08\u7b97\u7814\u7a76\u6240","provider_url":"https://hatena.blog","blog_url":"https://slankdev.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/slankdev/","published":"2017-05-06 16:49:53","width":"100%","description":"BPF\u306b\u3064\u3044\u3066\u30b5\u30fc\u30d9\u30a4\u3057\u305f\u306e\u3067\u3001\u305d\u308c\u306e\u307e\u3068\u3081. BPF for Dummies\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3068\u3044\u3048\u308b\u3088\u3046\u3044\u3057\u3066\u3044\u3051\u305f\u3089\u6700\u9ad8\u3067\u3042\u308b\u3002 \u73fe\u72b6\u306f\u96d1\u8a18\u72b6\u614b\u306a\u306e\u3067\u3054\u4e86\u627f\u3044\u305f\u3060\u304d\u305f\u3044. BPF\u3068\u306f,\u4f55\u3092\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u304b \u6b63\u76f4, \u50d5\u81ea\u8eab\u3082\u3088\u304f\u5206\u304b\u3089\u306a\u3044\u3002 BPF\u306fin kernel\u306e\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u306b\u6700\u9069\u306a \u4eee\u60f3\u6a5f\u68b0\u3068\u3057\u3066\u8a2d\u8a08\u5b9f\u88c5\u3055\u308c\u305f\u304c\u3001\u73fe\u5728\u306fkernel\u5185\u90e8\u306e\u3042\u3089\u3086\u308b\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092 \u30c8\u30ec\u30fc\u30b7\u30f3\u30b0\u3084\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u305f\u3081\u306b \u7528\u3044\u3089\u308c\u3066\u3044\u308b\u3002\u3068\u3044\u3063\u305f\u611f\u3058\u304b\u3002\u3002\u3002 \u69cb\u6210 eBPF\u304cattach\u3067\u304d\u308b\u30dd\u30a4\u30f3\u30c8\u306f\u73fe\u72b6\u3067\u4ee5\u4e0b. \u3061\u306a\u307f\u306bcBPF\u306fsocket\u306e\u307f\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b socket (via setsocko\u2026"}