Performance profiling is essential for game development and real-time applications.
While powerful tools like Tracy or VTune can do the job very well, they often come with unnecessary complexity, integration annoyances, or platform-specific limitations.
What if you just need a dead simple, lightweight, minimal-overhead hierarchical profiler that seamlessly integrates with Dear ImGui? That’s exactly what I built for my CppCon 2025 keynote demo, and this article will explore its design and implementation.