linux中的ps实用程序(procps)，如何检查使用了哪个CPU [英] ps utility in linux (procps), how to check which CPU is used

问题描述

这是有关procps软件包的实用程序ps，适用于Linux.

It is about procps package, utility ps for linux.

是否可以打印每个进程(线程)上次使用的CPU数量?

Can it print the number of last used CPU for each process (thread)?

更新:不是CPU时间(10秒)，而是CPU编号(CPU0，CPU5，CPU123)

Update: Not a CPU Time (10 seconds), but a CPU NUMBER (CPU0,CPU5,CPU123)

推荐答案

哪个是多个处理器?根据手册，它没有为此提供选项.但是在我的Debian稳定系统上，它接受未记录的-o cpu

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在查看源代码和ps L的输出之后，我相信您的答案是cpuid或sgi_p输出选项，分别是列ID CPUID和P.

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'cpu'应该可以根据output.c中的注释工作，但是当前它与'nop'输出pr_nop()相关联:

which of multiple processors? it does not offer an option for that according to the manpage. but on my Debian stable system it accepts the undocumented -o cpu

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after looking at the source, and the output of ps L, I believe your answer is either the cpuid or sgi_p output options, column IDs CPUID and P, respectively.

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And 'cpu' should work according to this note in output.c, but it's currently tied to the 'nop' output pr_nop():

{"cpu", "CPU", pr_nop, sr_nop, 3, 0, BSD, AN|RIGHT}, /* FIXME ... HP-UX wants this as the CPU number for SMP? */

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