Here are some articles from Mozilla explaining their Javascript tracing: http://hacks.mozilla.org/2009/07/tracemonkey-overview/ http://hacks.mozilla.org/2009/0

Here are some articles from Mozilla explaining their Javascript tracing: http://hacks.mozilla.org/2009/07/tracemonkey-overview/ http://hacks.mozilla.org/2009/07/tracemonkey-overview/ http://ejohn.org/blog/tracemonkey/ http://ejohn.org/blog/tracemonkey/ http://weblogs.mozillazine.org/roadmap/archives/2008/08/tracemonkey_javascript_lightsp.html http://weblogs.mozillazine.org/roadmap/archives/2008/08/trac... These are tangentially related to the article topic, but gives you some sense of what tracing does.