gcpu_poll_trace
extern void gcpu_poll_trace(gcpu_poll_trace_ctl_t *, uint8_t, uint8_t);
gcpu_poll_trace(&gcpu->gcpu_mca.gcpu_polltrace,
gcpu_poll_trace(&gcpu->gcpu_mca.gcpu_polltrace, what,
gcpu_poll_trace(&gcpu_xpv_poll_trace_ctl,