24.3. Viewing CPU Usage
24.3.1. Using the System Monitor Tool
The Resources tab of the System Monitor tool allows you to view the current CPU usage on the system.
To start the System Monitor tool, either select from the panel, or type
gnome-system-monitor
at a shell prompt. Then click the Resources tab to view the system's CPU usage.
![System Monitor — Resources](https://access.redhat.com/webassets/avalon/d/Red_Hat_Enterprise_Linux-6-Deployment_Guide-en-US/images/5c149bda80ad5a42eceb97980803451c/system-monitor-resources.png)
Figure 24.3. System Monitor — Resources
In the CPU History section, the System Monitor tool displays a graphical representation of the CPU usage history and shows the percentage of how much CPU is currently in use.