368 	unsigned long aux_head, aux_tail;  in perf_aux_output_begin()  local
411 	aux_head = rb->aux_head;  in perf_aux_output_begin()
415 	handle->head = aux_head;  in perf_aux_output_begin()
427 		if (aux_head - aux_tail < perf_aux_size(rb))  in perf_aux_output_begin()
428 			handle->size = CIRC_SPACE(aux_head, aux_tail, perf_aux_size(rb));  in perf_aux_output_begin()
462 	if (rb->aux_head - rb->aux_wakeup >= rb->aux_watermark) {  in rb_need_aux_wakeup()
463 		rb->aux_wakeup = rounddown(rb->aux_head, rb->aux_watermark);  in rb_need_aux_wakeup()
484 	unsigned long aux_head;  in perf_aux_output_end()  local
490 		aux_head = handle->head;  in perf_aux_output_end()
491 		rb->aux_head = aux_head;  in perf_aux_output_end()
495 		aux_head = rb->aux_head;  in perf_aux_output_end()
496 		rb->aux_head += size;  in perf_aux_output_end()
512 		perf_event_aux_event(handle->event, aux_head, size,  in perf_aux_output_end()
515 	WRITE_ONCE(rb->user_page->aux_head, rb->aux_head);  in perf_aux_output_end()
545 	rb->aux_head += size;  in perf_aux_output_skip()
547 	WRITE_ONCE(rb->user_page->aux_head, rb->aux_head);  in perf_aux_output_skip()
553 	handle->head = rb->aux_head;  in perf_aux_output_skip()