Use "Erlang / OTP concurrent programming combat" the fifth chapter graphical monitoring tool

1. observer:start().

    

2. WebTool 版 Appmon：

   webtool:start().

   WebTool version does not support stopping the application, or terminate the process.

3. Debugger:

   The debugger requires both .erl source file, the file needs to .beam corresponding debug information.
   Need to explicitly tell the compiler in .beam file plus debugging information debug_info flag at compile time.

   erlc +debug_info -o ebin sr/*.erl
   debugger:start().

    

4. !!!!!!!!!!!!!!!!

   tv:start().
   appmon:start().
   pman:start().
   toolbar:start().

   If these methods are given, use observer: start (), contain all the features.