cpu__get_node
node1 = cpu__get_node((struct perf_cpu){.cpu = sample->cpu});
cpu__get_node(cpu) == id.node);
id.node = cpu__get_node(cpu);
int cpu__get_node(struct perf_cpu cpu);
node_index = cpu__get_node(cpu);
if (cpu__get_node(cpu) == node)
build_node_mask(cpu__get_node(map->core.cpu), &map->affinity_mask);