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.
All posts tagged perf
Speedscope: visualize what your program is doing and where it is spending time
In this post we introduce Speescope, a useful tool to help you visualize what your program is doing and where it is spending time.
FlameGraphs: Understand where your program is spending time
Learn about FlameGraphs, a great tool that will help you quickly find slow functions in your program.