pick_idle_cpu_in_node
cpu = pick_idle_cpu_in_node(cpus_allowed, node, flags);
cpu = pick_idle_cpu_in_node(cpus_allowed, node, flags);
cpu = pick_idle_cpu_in_node(llc_cpus, node, SCX_PICK_IDLE_CORE);
cpu = pick_idle_cpu_in_node(numa_cpus, node, SCX_PICK_IDLE_CORE);
cpu = pick_idle_cpu_in_node(llc_cpus, node, 0);
cpu = pick_idle_cpu_in_node(numa_cpus, node, 0);