{"id":58392,"date":"2021-07-28T09:00:49","date_gmt":"2021-07-28T09:00:49","guid":{"rendered":"https:\/\/www.cryptocabaret.com\/?p=58392"},"modified":"2021-07-28T09:00:49","modified_gmt":"2021-07-28T09:00:49","slug":"kernel-tracing-with-trace-cmd","status":"publish","type":"post","link":"https:\/\/www.cryptocabaret.com\/?p=58392","title":{"rendered":"Kernel tracing with trace-cmd"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" typeof=\"foaf:Image\" src=\"https:\/\/www.cryptocabaret.com\/wp-content\/uploads\/2021\/07\/puzzle_computer_solve_fix_tool.png\" width=\"1041\" height=\"584\" alt=\"Puzzle pieces coming together to form a computer screen\" title=\"Puzzle pieces coming together to form a computer screen\"><\/p>\n<p>In my <a href=\"https:\/\/opensource.com\/article\/21\/7\/analyze-linux-kernel-ftrace\">previous article<\/a>, I explained how to use <code>ftrace<\/code> to trace kernel functions. Using <code>ftrace<\/code> by writing and reading from files can get tedious, so I used a wrapper around it to run commands with options to enable and disable tracing, set filters, view output, clear output, and more.<\/p>\n<p><a href=\"https:\/\/opensource.com\/article\/21\/7\/linux-kernel-trace-cmd\">read more<\/a><\/p>\n<p class=\"wpematico_credit\"><small>Powered by <a href=\"http:\/\/www.wpematico.com\" target=\"_blank\" rel=\"noopener\">WPeMatico<\/a><\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In my previous article, I explained how to use ftrace to trace kernel functions. Using ftrace by writing and reading from files can get tedious, so I used a wrapper around it to run commands with options to enable and disable tracing, set filters, view output, clear output, and more. read more Powered by WPeMatico<\/p>\n","protected":false},"author":1,"featured_media":58393,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[307],"tags":[],"class_list":["post-58392","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-open-source"],"_links":{"self":[{"href":"https:\/\/www.cryptocabaret.com\/index.php?rest_route=\/wp\/v2\/posts\/58392","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cryptocabaret.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cryptocabaret.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cryptocabaret.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cryptocabaret.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=58392"}],"version-history":[{"count":0,"href":"https:\/\/www.cryptocabaret.com\/index.php?rest_route=\/wp\/v2\/posts\/58392\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cryptocabaret.com\/index.php?rest_route=\/wp\/v2\/media\/58393"}],"wp:attachment":[{"href":"https:\/\/www.cryptocabaret.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=58392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cryptocabaret.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=58392"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cryptocabaret.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=58392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}