{"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fudzura.hatenablog.jp%2Fentry%2F2019%2F10%2F04%2F195951\" title=\"eBPF \u3067\u30a4\u30d9\u30f3\u30c8\u304c\u8d77\u3053\u3063\u305f\u30d7\u30ed\u30bb\u30b9\u306e cgroup ID\u3092\u53d6\u308b\u306b\u306f - \u30ed\u30fc\u30d5\u30a1\u30a4\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://udzura.hatenablog.jp/","height":"190","description":"bpftrace \u306b\u306f cgroup \u3068\u3044\u3046\u5909\u6570\u304c\u3042\u3063\u3066\u3001\u30a4\u30d9\u30f3\u30c8\u304c\u8d77\u3053\u3063\u305f\u30d7\u30ed\u30bb\u30b9\u306e cgroup ID\uff08\u5f8c\u8ff0\u3057\u307e\u3059\u304c\u3001\uff1f\u306a\u6570\u5b57\u3067\u3059\uff09\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002 $ bpftrace -e 'uretprobe:/bin/bash:readline { printf(\"input(%d@%d) = %s\\n\", pid, cgroup, str(retval)); }' Attaching 1 probe... input(16277@2055) = input(16277@2055) = echo $$ > /sys/fs/cgroup/unified/sample100/cgroup.procs \u2026","url":"https://udzura.hatenablog.jp/entry/2019/10/04/195951","author_url":"https://blog.hatena.ne.jp/udzura/","categories":[],"image_url":null,"provider_url":"https://hatena.blog","type":"rich","author_name":"udzura","blog_title":"\u30ed\u30fc\u30d5\u30a1\u30a4\u65e5\u8a18","published":"2019-10-04 19:59:51","title":"eBPF \u3067\u30a4\u30d9\u30f3\u30c8\u304c\u8d77\u3053\u3063\u305f\u30d7\u30ed\u30bb\u30b9\u306e cgroup ID\u3092\u53d6\u308b\u306b\u306f","version":"1.0","provider_name":"Hatena Blog"}