{"json_modified": "2016-03-28T08:09:22.442838", "uuid": "0a827f33-3795-4e0d-8050-415eaa440850", "title": "DTrace", "url": "/en-US/docs/Mozilla/Projects/DTrace_(Mozilla)", "tags": ["DTrace"], "translations": [], "modified": "2016-02-29T11:31:02", "label": "DTrace", "localization_tags": [], "locale": "en-US", "id": 9553, "last_edit": "2011-01-27T16:27:19", "summary": "<strong>DTrace</strong> is Sun Microsystem's dynamic tracing framework that allows developers to instrument a program with probes that have little to no effect on performance when not in use and very little when active. Probe data can be collected with scripts written in <a class=\"external\" href=\"https://docs.sun.com/app/docs/doc/817-6223\">D</a> (no, not <a href=\"https://en.wikipedia.org/wiki/D_(programming_language)\" title=\"that one\">that one</a>). Mozilla DTrace support has <a class=\"external\" href=\"https://www.opensolaris.org/os/project/mozilla-dtrace/\">been added</a> by the Sun DTrace team and can be used on Solaris 10 and Mac OS X 10.5.", "sections": [{"id": "Documentation", "title": null}, {"id": "Community", "title": "Community"}, {"id": "Tools", "title": "Tools"}, {"id": "Related_Topics", "title": "Related Topics"}], "slug": "Mozilla/Projects/DTrace_(Mozilla)", "review_tags": []}