How to view the performance details of individual CPUs in the top command

You can view the performance details of each CPUs of your machine in the top command by pressing 1 (number one) while the top command is running.one).

$ top
top - 09:28:33 up 2 days, 12:46,  2 users,  load average: 0.61, 0.41, 0.18
Tasks: 90 total, 1 running, 89 sleeping, 0 stopped, 0 zombie
Cpu(s): 17.0%us, 1.4%sy, 0.0%ni, 81.6%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1025468k total, 793568k used, 231900k free, 120836k buffers
Swap: 1951856k total, 0k used, 1951856k free, 342384k cached

when i pressed ‘1’ i got the details shown below.

top - 09:29:25 up 2 days, 12:47,  2 users,  load average: 0.78, 0.50, 0.22
Tasks: 90 total, 1 running, 89 sleeping, 0 stopped, 0 zombie
Cpu0 : 25.5%us, 1.9%sy, 0.0%ni, 67.8%id, 4.7%wa, 0.0%hi, 0.1%si, 0.0%st
Cpu1 : 16.5%us, 1.3%sy, 0.0%ni, 82.2%id, 0.1%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1025468k total, 801648k used, 223820k free, 120944k buffers
Swap: 1951856k total, 0k used, 1951856k free, 342500k cached

the second shows data of individual CPUs.

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