{"provider_name":"Hatena Blog","description":"debugfs \u3092\u30de\u30a6\u30f3\u30c8\u3059\u308b\u3002 [root@yazekats-linux ~]# mount -t debugfs debugfs /sys/kernel/debug blktrace \u3067\u30c8\u30ec\u30fc\u30b9\u3092\u53d6\u5f97\u3059\u308b\u3002 [root@yazekats-linux work]# blktrace -w 30 -d /dev/sda -o sda === sda === CPU 0: 160503 events, 7524 KiB data CPU 1: 2788 events, 131 KiB data CPU 2: 31 events, 2 KiB data CPU 3: 114 events, 6 K\u2026","published":"2013-10-07 22:59:22","type":"rich","author_url":"https://blog.hatena.ne.jp/yohei-a/","version":"1.0","categories":["Linux"],"image_url":null,"provider_url":"https://hatena.blog","width":"100%","author_name":"yohei-a","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohei-a.hatenablog.jp%2Fentry%2F20131007%2F1381154362\" title=\"blktrace \u3068 btt \u3092\u4f7f\u3063\u3066\u307f\u308b - ablog\" 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://yohei-a.hatenablog.jp/","url":"https://yohei-a.hatenablog.jp/entry/20131007/1381154362","blog_title":"ablog","title":"blktrace \u3068 btt \u3092\u4f7f\u3063\u3066\u307f\u308b"}