365 	unsigned long aux_head, aux_tail;  in perf_aux_output_begin()  local
408 	aux_head = rb->aux_head;  in perf_aux_output_begin()
412 	handle->head = aux_head;  in perf_aux_output_begin()
424 		if (aux_head - aux_tail < perf_aux_size(rb))  in perf_aux_output_begin()
425 			handle->size = CIRC_SPACE(aux_head, aux_tail, perf_aux_size(rb));  in perf_aux_output_begin()
459 	if (rb->aux_head - rb->aux_wakeup >= rb->aux_watermark) {  in rb_need_aux_wakeup()
460 		rb->aux_wakeup = rounddown(rb->aux_head, rb->aux_watermark);  in rb_need_aux_wakeup()
481 	unsigned long aux_head;  in perf_aux_output_end()  local
487 		aux_head = handle->head;  in perf_aux_output_end()
488 		rb->aux_head = aux_head;  in perf_aux_output_end()
492 		aux_head = rb->aux_head;  in perf_aux_output_end()
493 		rb->aux_head += size;  in perf_aux_output_end()
509 		perf_event_aux_event(handle->event, aux_head, size,  in perf_aux_output_end()
512 	WRITE_ONCE(rb->user_page->aux_head, rb->aux_head);  in perf_aux_output_end()
542 	rb->aux_head += size;  in perf_aux_output_skip()
544 	WRITE_ONCE(rb->user_page->aux_head, rb->aux_head);  in perf_aux_output_skip()
550 	handle->head = rb->aux_head;  in perf_aux_output_skip()