Lines Matching defs:aux_head

377 	unsigned long aux_head, aux_tail;
420 	aux_head = rb->aux_head;
424 	handle->head = aux_head;
436 		if (aux_head - aux_tail < perf_aux_size(rb))
437 			handle->size = CIRC_SPACE(aux_head, aux_tail, perf_aux_size(rb));
471 	if (rb->aux_head - rb->aux_wakeup >= rb->aux_watermark) {
472 		rb->aux_wakeup = rounddown(rb->aux_head, rb->aux_watermark);
481  * aux_head and posting a PERF_RECORD_AUX into the perf buffer. It is the
493 	unsigned long aux_head;
495 	/* in overwrite mode, driver provides aux_head via handle */
499 		aux_head = handle->head;
500 		rb->aux_head = aux_head;
504 		aux_head = rb->aux_head;
505 		rb->aux_head += size;
519 	 * mode should know to use user_page::aux_head for the actual
526 		perf_event_aux_event(handle->event, aux_head, size,
529 	WRITE_ONCE(rb->user_page->aux_head, rb->aux_head);
559 	rb->aux_head += size;
561 	WRITE_ONCE(rb->user_page->aux_head, rb->aux_head);
567 	handle->head = rb->aux_head;