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Identify CPU usage on the Linux server

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# 1  
Old 02-10-2012
Identify CPU usage on the Linux server
We are using linux server. We have below script running on the crontab and it send the alert if the cpu usage is above 90%.

My question is, the below script tells the CPU usage for one CPU or all CPU in the server?
Code:
sar 1 1 | sed '$!d' | awk '{printf("%d", $8)}' > $SAR_LOG

Please let me know...
Last edited by Franklin52; 02-11-2012 at 08:56 AM.. Reason: Please use code tags for data and code samples, thank you
# 2  
Old 02-12-2012
You want mpstat if you want to see processor-specific stats.
# 3  
Old 02-13-2012
MySQL
you can use command "top" . it will list all the memory usage
# 4  
Old 02-13-2012
I think, my question is different here...

I would like to know if the below script gives CPU usage for one cpu or all CPU?

Quote:
sar 1 1 | sed '$!d' | awk '{printf("%d", $8)}' > $SAR_LOG
# 5  
Old 02-13-2012
How about you show us the input you have and the output you want. Otherwise, we're just wild-guessing.
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