scheduler: continue work

kernel-src/include/x86-64/arch/cpu.h

@@ -53,10 +53,15 @@ typedef struct cpu_t {
 	sched_run_queue_t rt_queue;
 	sched_calendar_queue_t ts_queue;
 	sched_run_queue_t idle_queue;
+	int last_interactivity;
+	int last_queue;
+	size_t thread_count;
 	spinlock_t sched_lock;
 
 	timerentry_t calendar_tick_timer_entry;
 
+	void *topology_node;
+
 	// architecture specific, does not need to be exposed
 
 	uint64_t gdt[7];