static int icc_graph_show()

in core.c [99:143]

• 33 lines of code
• 6 McCabe index (conditional complexity)

static int icc_graph_show(struct seq_file *s, void *data)
{
	struct icc_provider *provider;
	struct icc_node *n;
	int cluster_index = 0;
	int i;

	seq_puts(s, "digraph {\n\trankdir = LR\n\tnode [shape = record]\n");
	mutex_lock(&icc_lock);

	/* draw providers as cluster subgraphs */
	cluster_index = 0;
	list_for_each_entry(provider, &icc_providers, provider_list) {
		seq_printf(s, "\tsubgraph cluster_%d {\n", ++cluster_index);
		if (provider->dev)
			seq_printf(s, "\t\tlabel = \"%s\"\n",
				   dev_name(provider->dev));

		/* draw nodes */
		list_for_each_entry(n, &provider->nodes, node_list)
			icc_graph_show_node(s, n);

		/* draw internal links */
		list_for_each_entry(n, &provider->nodes, node_list)
			for (i = 0; i < n->num_links; ++i)
				if (n->provider == n->links[i]->provider)
					icc_graph_show_link(s, 2, n,
							    n->links[i]);

		seq_puts(s, "\t}\n");
	}

	/* draw external links */
	list_for_each_entry(provider, &icc_providers, provider_list)
		list_for_each_entry(n, &provider->nodes, node_list)
			for (i = 0; i < n->num_links; ++i)
				if (n->provider != n->links[i]->provider)
					icc_graph_show_link(s, 1, n,
							    n->links[i]);

	mutex_unlock(&icc_lock);
	seq_puts(s, "}");

	return 0;
}