Performance profiler for .NET with an API [closed]

Question

I'd like a profiling application for .NET with an API for me to use to gain on-the-fly metrics and then dynamically alter application settings for performance optimisation.

Does such a program exist?

Thanks

Answer 1

I really like dotTrace from JetBrains. One great benefit is the integration capabilities with Visual Studio.

Here is a good introduction.

Answer 2

dotTrace from JetBrains is good and has nice API