Red Hat Enterprise Linux Server Cookbook

Monitoring basic system performance

We need to keep an eye out on global system values. The ones that are particularly of interest are the following:

• kernel.all.pswitch
• kernel.all.nprocs
• kernel.all.load

How to do it…

I'll show you a way to display both text-based and graphical output. Here are the steps:

1. Display live data for the metrics with a 1-second interval for the guest.example.com host by executing the following command:

   ~]# pmdumptext -H -t 1 -i -l kernel.all.pswitch kernel.all.nprocs kernel.all.load -h guest.example.com
   

   
2. Create a configuration file for pmchart to display live data called system.conf with the following contents:

   #kmchart
   version ...