> What would be the applications of a CPU tick counter, and can we serve
> them? The only one I can think of off the top of my head is profiling
> the execution time of code. That application would be better served by a
> dedicated profiling API.

For reference, here are the pertinent Chez APIs:

Section 12.7. Profiling
https://cisco.github.io/ChezScheme/csug9.5/system.html#./system:h7

Section 12.11. Timing and Statistics
https://cisco.github.io/ChezScheme/csug9.5/system.html#./system:h11