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Number of CPU'S in UNIX box

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# 1  
Old 11-12-2012
Number of CPU'S in UNIX box
Hi,

How to find number of CPU'S in unix box. And usage of the total no of CPU'S.
Last edited by DukeNuke2; 11-12-2012 at 02:09 AM..
# 2  
Old 11-12-2012
CPU information. (find by using google)

Code:
cat /proc/cpuinfo

Code:
nproc

Code:
lscpu

top gives you usage, but not pr CPU
# 3  
Old 11-12-2012
Quote:
Originally Posted by Jotne
top gives you usage, but not pr CPU
That's not really accurate, top can show number of CPUs and summary CPU usage for each one.

With most versions of top you can toogle the "1" key and see summary information for each CPU.

See the attached screenshot which shows summary information for 16 CPUs.
Number of CPU'S in UNIX box-screen-shot-2012-11-12-13947-pmpng
# 4  
Old 11-12-2012
And, with the "j" switch, you can see which process executes on which cpu.
# 5  
Old 11-12-2012
Quote:
Originally Posted by sam1226
How to find number of CPU'S in unix box. And usage of the total no of CPU'S.
There is no portable way. You should tell what version of Unix you are using.
# 6  
Old 11-12-2012
Thank you all .
Is there's any sample script to monitor cpu usage and number of cpu's, And capture the data for every minute. if the load is high it has to send alert meassage.
# 7  
Old 11-12-2012
Before anybody can really help you, you need to tell us what version of Unix you are using.
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