459 					    u64 *stack_trace, u32 flags)  in lock_contention_get_name()  argument
529 	while (machine__is_lock_function(machine, stack_trace[idx]) &&  in lock_contention_get_name()
533 	addr = stack_trace[idx];  in lock_contention_get_name()
555 	u64 *stack_trace = NULL;  in pop_owner_stack_trace()  local
559 	size_t stack_size = con->max_stack * sizeof(*stack_trace);  in pop_owner_stack_trace()
567 	stack_trace = zalloc(stack_size);  in pop_owner_stack_trace()
568 	if (stack_trace == NULL)  in pop_owner_stack_trace()
571 	if (bpf_map_get_next_key(stacks_fd, NULL, stack_trace))  in pop_owner_stack_trace()
574 	bpf_map_lookup_elem(stacks_fd, stack_trace, &stack_id);  in pop_owner_stack_trace()
582 	st->name = strdup(stack_trace[0] ? lock_contention_get_name(con, NULL, stack_trace, 0) :  in pop_owner_stack_trace()
592 	st->callstack = stack_trace;  in pop_owner_stack_trace()
597 	bpf_map_delete_elem(stacks_fd, stack_trace);  in pop_owner_stack_trace()
603 	free(stack_trace);  in pop_owner_stack_trace()
616 	u64 *stack_trace;  in lock_contention_read()  local
617 	size_t stack_size = con->max_stack * sizeof(*stack_trace);  in lock_contention_read()
627 	stack_trace = zalloc(stack_size);  in lock_contention_read()
628 	if (stack_trace == NULL)  in lock_contention_read()
662 			bpf_map_lookup_elem(stack, &key.stack_id, stack_trace);  in lock_contention_read()
664 			if (!match_callstack_filter(machine, stack_trace, con->max_stack)) {  in lock_contention_read()
699 		name = lock_contention_get_name(con, &key, stack_trace, data.flags);  in lock_contention_read()
713 			st->callstack = memdup(stack_trace, stack_size);  in lock_contention_read()
725 	free(stack_trace);  in lock_contention_read()