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Cpu(s): 0.0%us, 0.5%sy, 0.0%ni, 99.5%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st

I try to explain these: us: is meaning of "user CPU time" sy: is meaning of "system CPU time" ni: is meaning of" nice CPU time" id: is meaning of "idle" wa: is meaning of "iowait" hi：is meaning of "hardware irq" si : is meaning of "software irq" st : is meaning of "steal time"

us 用户空间占用CPU百分比 sy 内核空间占用CPU百分比 ni 用户进程空间内改变过优先级的进程占用CPU百分比 id 空闲CPU百分比 wa 等待输入输出的CPU时间百分比 hi 硬件中断 si 软件中断 st: 实时

https://www.kernel.org/doc/Documentation/ABI/testing/procfs-diskstats

https://lenciel.com/2014/02/hunting-the-iowait-problem-maker/

while true; do date; ps auxf | awk '{if($8=="D") print $0;}'; sleep 1; done > /var/log/ps.log

nohup /path/to/your/script.sh > /dev/null 2>&1 &