{"id":3876,"date":"2011-10-16T21:34:43","date_gmt":"2011-10-17T02:34:43","guid":{"rendered":"http:\/\/mjtsai.com\/blog\/?p=3876"},"modified":"2011-10-16T21:34:48","modified_gmt":"2011-10-17T02:34:48","slug":"top-10-dtrace-tune-up-tips","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2011\/10\/16\/top-10-dtrace-tune-up-tips\/","title":{"rendered":"Top 10 DTrace Tune Up Tips"},"content":{"rendered":"<p><a href=\"http:\/\/joyeur.com\/2011\/10\/15\/why-is-my-mac-slow-top-10-dtrace-tune-up-tips-for-os-x\/\">Brendan Gregg and Joyent<\/a>:<\/p>\n<blockquote cite=\"http:\/\/joyeur.com\/2011\/10\/15\/why-is-my-mac-slow-top-10-dtrace-tune-up-tips-for-os-x\/\"><p>Applications can become slow or unresponsive while waiting for CPU work, memory requests or disk I\/O to complete. Standard performance analysis tools like Activity Monitor and top(1) (and any third-party tools based on the same foundation) can&rsquo;t tell you some key information about activity on your system, such as how much CPU consumption is caused by short-lived processes, or which processes are causing disk I\/O. DTrace, however, can see (just about) everything.<\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"<p>Brendan Gregg and Joyent: Applications can become slow or unresponsive while waiting for CPU work, memory requests or disk I\/O to complete. Standard performance analysis tools like Activity Monitor and top(1) (and any third-party tools based on the same foundation) can&rsquo;t tell you some key information about activity on your system, such as how much [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-3876","post","type-post","status-publish","format-standard","hentry","category-technology"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/3876","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=3876"}],"version-history":[{"count":1,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/3876\/revisions"}],"predecessor-version":[{"id":3877,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/3876\/revisions\/3877"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=3876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=3876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=3876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}