linux - 神经节中的 "cpu_intr"和 "cpu_sintr"是什么意思

Question

我在哪里可以看到这些解释指标？

cpu_ctxt、cpu_intr、cpu_sintr、cpu_aidle、cpu_steal

Answer 1

我假设 cpu_ctxt 代表 /proc/stat(参见 manpage)或 vmstat 报告的上下文切换次数(cs字段)。

此外，man top 揭示了其他指标的含义:

       us, user    : time running un-niced user processes
       sy, system  : time running kernel processes
       ni, nice    : time running niced user processes
       id, idle    : time spent in the kernel idle handler
       wa, IO-wait : time waiting for I/O completion
       hi : time spent servicing hardware interrupts
       si : time spent servicing software interrupts
       st : time stolen from this vm by the hypervisor

哪里:

• cpu_intr 映射到 hi
• cpu_sintr 映射到 si
• cpu_aidle 映射到 id
• cpu_steal 映射到 st

另见 this和 this回答。