Oracle Solaris Modular Debugger Guide Kernel Debugging Modules Generic Kernel Debugging Support (genunix) Cyclics Debugging Cyclics Walkers Cyclics Walkers cyccpu Iterate over the per-CPU cyc_cpu_t structures. This structure is defined in <sys/cyclic_impl.h>. cyctrace Iterate over the cyclic trace buffer structures. This information is only available in a DEBUG kernel.