The Cost of SELinux, Audit, & Kernel Debugging
Similarly, at Dbench, the best performance was found with no SELinux / Audit and the worst was certainly with kernel-debug.
When it came to the OpenMP-based GraphicsMagick test profile, its performance had regressed just a step when running off the debugging-enabled kernel.
Crafty, an advanced chess AI engine, had performed about the same across all configurations.