CPU 调度测试

perf bench sched pipe
# Running 'sched/pipe' benchmark:
 # Executed 1000000 pipe operations between two processes     Total time: 4.549 [sec]
       4.549952 usecs/op
          219782 ops/sec

Linux服务器内存消耗过高

​​https://help.aliyun.com/knowledge_detail/92980.html?spm=5176.13910061.sslink.15.6e261e9apGyuuD​​

LINUX CPU性能分析指南

​​https://cloud.tencent.com/developer/article/1677341​​

此链接中针对每个子系统中涉及到的模块，比如fs中的节点缓存等 进行了统一的归纳处理。

理解CPU steal time  （在虚拟机环境中使用的参数）