Observer. 1.1 Introduction Observer, is a graphical tool for observing the characteristics of erlang systems. Observer displays system information, application supervisor trees, process information, ets or mnesia tables and contains a frontend for erlang tracing. 1.2 General Normally observer should be run from a standalone node to minimize the impact of the system being observed. Example: > erl -sname observer -hidden -setcookie MyCookie -run observer Choose which node to observe via Nodes menu. Note Only R15B nodes can be observed. In general the mouse buttons behaves as expected, use left click to select objects, right click to pop up a menu with most used choices and double click to bring up information about the selected object. 1.3 Applications The Applications view lists application information. Trace process will add the selected process identifier to Trace Overview view and the node the process resides on will be added as well.
Trace named process will add the registered name of the process. Pid. Debugger. Zotonic, the Erlang Web Framework — Zotonic. Chicago Boss: The Erlang Web Framework. Nitrogen - Nitrogen Web Framework for Erlang.