[TriLUG] "Light" monitoring
Brian Henning
bhenning at pineinst.com
Fri Mar 29 13:20:19 EDT 2013
I'm surprised no one has piped up with this tidbit:
> Side question -- since Top and friends only show one value,
> what is it saying about a multi-cpu system?
top will show per-cpu if you press the "1" key:
(before)
top - 13:18:25 up 194 days, 22:44, 1 user, load average: 0.22, 0.54, 0.49
Tasks: 196 total, 2 running, 193 sleeping, 0 stopped, 1 zombie
Cpu(s): 9.4%us, 1.0%sy, 0.0%ni, 88.6%id, 0.6%wa, 0.1%hi, 0.2%si,
0.0%st
Mem: 4033988k total, 3835100k used, 198888k free, 267372k buffers
Swap: 16779884k total, 120k used, 16779764k free, 2417956k cached
(after pressing "1")
top - 13:18:43 up 194 days, 22:44, 1 user, load average: 0.16, 0.51, 0.48
Tasks: 194 total, 1 running, 193 sleeping, 0 stopped, 0 zombie
Cpu0 : 0.3%us, 3.3%sy, 0.0%ni, 96.3%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 : 0.0%us, 1.3%sy, 0.0%ni, 97.0%id, 0.7%wa, 1.0%hi, 0.0%si,
0.0%st
Cpu3 : 28.7%us, 0.3%sy, 0.0%ni, 70.7%id, 0.3%wa, 0.0%hi, 0.0%si,
0.0%st
Mem: 4033988k total, 3835084k used, 198904k free, 267372k buffers
Swap: 16779884k total, 120k used, 16779764k free, 2417972k cached
(the above is from a Intel(R) Core(TM)2 Quad CPU [as displayed in
/proc/cpuinfo])
Cheers,
~B
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