Original please indicate the source: https://www.cnblogs.com/agilestyle/p/11521331.html
CPU performance
According to index to find tools
The tool of search index
top, vmstat and pidstat
- You can get all kinds of information as well as CPU utilization and average load, etc. zombie process from the top of the output.
- Can be obtained from the output of vmstat context switches, interrupts, interrupt status and a non-operating state of the number of processes.
- The process can be obtained from the output pidstat user CPU utilization, CPU utilization system, as well as voluntary and involuntary context switching context switching situation.
Reference
https://time.geekbang.org/column/article/72685