ANTS Performance Profiler is a . NET profiler for desktop, ASP.NET, and ASP.NET MVC applications. NEW: Profile your SQL queries and see execution plans. Find performance bottlenecks fast by profiling both the .NET code and the data access layer. ANTS Performance Profiler provides you with all the contextual information you need to identify the bottleneck, from the moment an HTTP request calls your .NET code, to the moment the SQL queries you make return results.