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How to get CPU utilization in Centos machine?

+2 votes

I want to run a command in every 10 minute which should return the maximum CPU utilization of a linux machine in last 10 min irrespective of no. of core present.
Thanks in advance.

posted Dec 18, 2013 by Satyabrata Mahapatra

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Process of machine????
Sorry, i am not getting.

1 Answer

0 votes
  1. You need to write a crontab which will run after every second and log the output of the following...
    a) If you want the process record ---- ps -eo pcpu,pid,user,args | sort -r -k1
    b) If you want the machine record ---- top -b -n 1|grep Cpu|cut -d " " -f 3 (looks that you want this)

  2. Keep the command in the shell script (say and provide the permission as 777

  3. Now use the crontab and write the output to a file. Now you have per minute update going to a file.

  4. Now wite another script which will again be cron job with 10 Min frequency and -
    a) return the max of this file
    b) clean the file created in step 3.

answer Dec 18, 2013 by Salil Agrawal
Similar Questions
+2 votes

Below instruction will start CPU stress with maximum of 100%,


Below instructions will start CPU stress with near to 0%.


Is there any way to control this? I mean what if i want to start CPU stress of >100% and what if want to start CPU stress with particular number?

Can any one help in programming that? I am looking for C/C++/Python solution on Linux...

+3 votes

Result should be in xx.xx format (like 01.65).

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