Getting CPU Usage - Shell Programming and Scripting

WG1 · #1 04-30-2006

For analysis, I need to gather CPU usage from say 1:00 PM to 2:00 PM every 10 seconds on a given day. I heard this can be done with awk, but my UNIX is kind of rusty.

blowtorch · #2 04-30-2006

Try running this command at 1:00 PM.

Code:

mpstat 10 60 >> /path/to/logfile &

sssow · #3 04-30-2006

sar -u 10 60

Santi · #4 04-30-2006

Hello,

In a Linux box you can get {1,5,15} mins CPU load averages from /proc/loadavg special "file" with the help of "awk", for example:

Quote:

$ DATE=`date +"%Y-%m-%d %H:%M:%S"` cat /proc/loadavg | awk ' { print ENVIRON["DATE"] " - " $1 "/" $2 "/" $3 }'
2006-05-01 00:45:39 - 0.33/0.26/0.24

You can add this simple one-liner to a cronjob and redirect the output to a log file...

--
Santi Saez

WG1 · #5 05-01-2006

Thanks everyone!

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