CPU monitoring script

alpha_manic · #1 (**permalink**) 08-24-2005

I looking for a very basic, script that monitors the load on the cpu and writes it to a text file.

Can anyone help please?

Sergiu-IT · #2 (**permalink**) 08-24-2005

Quote:

Originally Posted by alpha_manic

I looking for a very basic, script that monitors the load on the cpu and writes it to a text file.
Can anyone help please?

Code:

$ top -d2 | awk '/CPU states/'
CPU states:  7.8% user,  0.0% nice,  1.2% system,  1.2% interrupt, 89.8% idle
$

This shows you the load of the CPU. If you want to redirect the output to some file and use it in some shell script you can do it like this:

Code:

# !/bin/sh
top -d2 | awk '/CPU states/' >> file.log

After you changed the file permissions to have "execute" rights, add it to /etc/crontab to run it every minute/hour/day...

alpha_manic · #3 (**permalink**) 08-24-2005

top -d2 | awk '/CPU states/'

This code, put the xterm into halt mode. I can't see the output????

blowtorch · #4 (**permalink**) 08-24-2005

Try using this:

Code:

#!/usr/bin/ksh
uptime >> some_log_file

The rest of the things are just as posted by Sergiu. You can schedule it in cron or whatever..

izy100 · #5 (**permalink**) 08-25-2005

use something tried and proven.
Do a search in google "System Activity reporter".
All unix has this... You gota turn it on.

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