top命令

分为统计信息区
id:空闲cpu百分比

单个进程信息区
RES单个进程所占用的内存

参考：
https://blog.csdn.net/qq_24336773/article/details/81516042?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522163642782516780274129111%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=163642782516780274129111&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2_allfirst_rank_ecpm_v1~rank_v31_ecpm-8-81516042.pc_search_result_cache&utm_term=top%E5%91%BD%E4%BB%A4%E8%A1%8C%E7%9C%8B%E8%BF%9B%E7%A8%8B%E7%9A%84%E5%86%85%E5%AD%98%E5%8D%A0%E7%94%A8&spm=1018.2226.3001.4187

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来源： https://blog.csdn.net/weixin_43466192/article/details/121224390