运行队列数据结构 00465: 00466:* This is the main per-CPU rungueue data structure 00467: 00468:* Locking rule: those places that want to lock multiple runqueues 00469: *(such as the load balancing or the thread migration code), lock 00470: acquire operations must be ordered by ascending &runqueue. 00471: 00472: struct rq t 00473: F runqueue lock: 00474 spinlock_t lock; 00476: 00477 nr_running and cpu_ load should be in the same cacheline because 00478 remote CPUs use both these fields when doing load calculation 00479: 00480 unsigned long nr_running; 00493: struct cfs rq cfs 00494 struct rt_ rg rt 2021/2/6 Linux操作系统分析 29/65 嵌入式系统实验室 EM日 EDDED SYSTEM LA日口 RATORY2021/2/6 Linux操作系统分析 29/65 运行队列数据结构