UNIX for Dummies Questions & Answers

Hi all,

I'm using Solaris 10 and have an occasional problem where a process that runs near to midnight each day, takes anywhere between 30 seconds and over two minutes to complete. I suspect that the CPU is highly utilised during the times where it takes a long time to complete, but I need a way of generating a CPU report during the times that the process runs each day.
I can use "top" to view the current CPU utilisation, but how can I generate a report to view the utilisation over a period of time?
I have no installed applications that can do this, and only the native interface to use.

Regards, Wynford

Take a look at SAR: Easy system monitoring with SAR. It is installed on Solaris by default.

You can enable sar that way on Solaris 10

Code:

# svcadm enable sar
# chmod 775 /var/spool/cron/crontabs
# svcadm disable sar
# svcadm enable sar

Then edit sys crontab and add both of these lines to have sar sampling at a one minute interval around midnight.

Code:

# crontab -e sys
...
* 23 * * * /usr/lib/sa/sa1
* 0 * * * /usr/lib/sa/sa1

Thanks Guy's, most appreciated.