cpu_idle_callback_handle_t
static cpu_idle_callback_handle_t cpu_idle_cb_handle_dtrace;
static cpu_idle_callback_handle_t cpu_idle_cb_handle_tlb;
void *arg, cpu_idle_callback_handle_t *hdlp)
*hdlp = (cpu_idle_callback_handle_t)cip;
cpu_idle_unregister_callback(cpu_idle_callback_handle_t hdl)
void *arg, cpu_idle_callback_handle_t *hdlp);
extern int cpu_idle_unregister_callback(cpu_idle_callback_handle_t hdl);
cpu_idle_callback_handle_t cb_handle;