365 	struct lock_seq_stat *seq;  in get_seq()  local
367 	list_for_each_entry(seq, &ts->seq_list, list) {  in get_seq()
368 		if (seq->addr == addr)  in get_seq()
369 			return seq;  in get_seq()
372 	seq = zalloc(sizeof(struct lock_seq_stat));  in get_seq()
373 	if (!seq) {  in get_seq()
377 	seq->state = SEQ_STATE_UNINITIALIZED;  in get_seq()
378 	seq->addr = addr;  in get_seq()
380 	list_add(&seq->list, &ts->seq_list);  in get_seq()
381 	return seq;  in get_seq()
405 	struct lock_seq_stat *seq;  in report_lock_acquire_event()  local
422 	seq = get_seq(ts, addr);  in report_lock_acquire_event()
423 	if (!seq)  in report_lock_acquire_event()
426 	switch (seq->state) {  in report_lock_acquire_event()
430 			seq->state = SEQ_STATE_ACQUIRING;  in report_lock_acquire_event()
436 			seq->state = SEQ_STATE_READ_ACQUIRED;  in report_lock_acquire_event()
437 			seq->read_count = 1;  in report_lock_acquire_event()
443 			seq->read_count++;  in report_lock_acquire_event()
457 		list_del(&seq->list);  in report_lock_acquire_event()
458 		free(seq);  in report_lock_acquire_event()
466 	seq->prev_event_time = sample->time;  in report_lock_acquire_event()
477 	struct lock_seq_stat *seq;  in report_lock_acquired_event()  local
494 	seq = get_seq(ts, addr);  in report_lock_acquired_event()
495 	if (!seq)  in report_lock_acquired_event()
498 	switch (seq->state) {  in report_lock_acquired_event()
505 		contended_term = sample->time - seq->prev_event_time;  in report_lock_acquired_event()
518 		list_del(&seq->list);  in report_lock_acquired_event()
519 		free(seq);  in report_lock_acquired_event()
526 	seq->state = SEQ_STATE_ACQUIRED;  in report_lock_acquired_event()
529 	seq->prev_event_time = sample->time;  in report_lock_acquired_event()
540 	struct lock_seq_stat *seq;  in report_lock_contended_event()  local
556 	seq = get_seq(ts, addr);  in report_lock_contended_event()
557 	if (!seq)  in report_lock_contended_event()
560 	switch (seq->state) {  in report_lock_contended_event()
573 		list_del(&seq->list);  in report_lock_contended_event()
574 		free(seq);  in report_lock_contended_event()
581 	seq->state = SEQ_STATE_CONTENDED;  in report_lock_contended_event()
584 	seq->prev_event_time = sample->time;  in report_lock_contended_event()
595 	struct lock_seq_stat *seq;  in report_lock_release_event()  local
611 	seq = get_seq(ts, addr);  in report_lock_release_event()
612 	if (!seq)  in report_lock_release_event()
615 	switch (seq->state) {  in report_lock_release_event()
621 		seq->read_count--;  in report_lock_release_event()
622 		BUG_ON(seq->read_count < 0);  in report_lock_release_event()
623 		if (!seq->read_count) {  in report_lock_release_event()
642 	list_del(&seq->list);  in report_lock_release_event()
643 	free(seq);  in report_lock_release_event()