error_logger is also important to look at. It provides a common way of getting access to all errors, log messages, or warnings provided by any conforming application.
if you intend on actually using any of these tools in anger, then you will definitely also want to read https://www.erlang-in-anger.com/ (a free pdf ebook), which has a load of useful information on the underlying substrate as well as walk-throughs on many important tools.
error_logger is also important to look at. It provides a common way of getting access to all errors, log messages, or warnings provided by any conforming application.
if you intend on actually using any of these tools in anger, then you will definitely also want to read https://www.erlang-in-anger.com/ (a free pdf ebook), which has a load of useful information on the underlying substrate as well as walk-throughs on many important tools.