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Linux - topコマンドでCPU使用率をコア単位で表示する方法

Posted at

今までは「sar -P ALL 1」とかでリアルタイムに表示させていたけど、topコマンドでも表示できるのでメモ

topコマンドでCPU使用率をコア単位で表示する

topを叩いて「1」を入力

するとこんな感じで表示される

top - 11:01:33 up 90 days, 23:09,  2 users,  load average: 0.16, 0.06, 0.10
Tasks: 219 total,   1 running, 218 sleeping,   0 stopped,   0 zombie
%Cpu0  :  0.0 us,  0.0 sy,  0.0 ni,100.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
%Cpu1  :  0.3 us,  0.0 sy,  0.0 ni, 99.7 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
%Cpu2  :  0.7 us,  0.3 sy,  0.0 ni, 99.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
%Cpu3  :  0.0 us,  0.0 sy,  0.0 ni,100.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
%Cpu4  :  0.0 us,  0.0 sy,  0.0 ni,100.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
%Cpu5  :  0.0 us,  0.0 sy,  0.0 ni,100.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
%Cpu6  :  0.0 us,  0.0 sy,  0.0 ni,100.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
%Cpu7  :  0.0 us,  0.0 sy,  0.0 ni,100.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem:  15400972 total, 14071920 used,  1329052 free,   255892 buffers
KiB Swap:        0 total,        0 used,        0 free. 12294600 cached Mem

便利なので使おうと思う

参考

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