We talk about how to detect if your program is spending a lot of time in kernel mode (system mode) and investigate ways to speed them up.

We talk about how to detect if your program is spending a lot of time in kernel mode (system mode) and investigate ways to speed them up.
In this post we introduce Speescope, a useful tool to help you visualize what your program is doing and where it is spending time.
Learn about FlameGraphs, a great tool that will help you quickly find slow functions in your program.