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Test & PolishToolOpen sourceFree
Optick
An open instrumented profiler with low-overhead capture, timeline UI, sampling, GPU tracks, and console-oriented code.
Visit official siteContent updated Aug 1, 2026Automated check reached the official site · Checked Aug 24, 2026
Why use it
Custom engines correlate job systems and render markers in one frame analysis and save captures for team review.
Where it fits
Use testing, performance, accessibility, and diagnostic tools to remove problems players will notice.
performanceengine-programming
What to check
It requires source integration and backend capabilities vary; disable or tightly restrict capture in release builds.