What is Plug-in profiler and importance of it?

 The Plug-in has always been an important component in any implementation of Dynamics CRM, as they equip the developer to implement the logic which is not the part of application and thus empowers them to meet their business requirements.

Microsoft introduced the unique concept of having plugin profiler.
A plugin profiler is a unique concept which need to be enabled by the developer on the specific message, and then whenever the plugin is executed. A profile of the same is created and sorted in an application that can be referenced back to by the developer at any time in the future to execute the code using the same context under which that particular scenario has been executed. We can say it is a good as executing the plugin back with inputs again to debug the code.