KTR_DRM
CTR3(KTR_DRM, "drm_event_dequeued %d %d %d", curproc->p_pid,
CTR0(KTR_DRM, "drm_poll empty list");
CTR1(KTR_DRM, "drm_poll revents %x", revents);
CTR4(KTR_DRM, "vblank_event_queued %d %d rt %x %d", curproc->p_pid, pipe,
CTR5(KTR_DRM, "wait_vblank %d %d rt %x success %d %d",
CTR5(KTR_DRM, "wait_vblank %d %d rt %x error %d %d",
CTR2(KTR_DRM, "drm_handle_vblank_events %d %d", seq, crtc);
CTR3(KTR_DRM, "vblank_event_delivered %d %d %d",