How to get a system monitor up on panel in unity in ubuntu 12.04 to see cpu usage

[user1]

On Sun, 29 Apr 2012 21:23:51 +1000, Jared Norris wrote:

> On 29 April 2012 21:18, user1 <bqz69 at telia.com> wrote:
>> How to get a system monitor up running in 'panel' of unity in ubuntu
>> 12.04 so I constant can watch my cpu usage

> 
> There is a program in the software centre called "System Load Indicator"
> that will do what you've described and more. It's as simple as
> installing that and then right clicking on the new indicator in the
> panel and configuring it how you like.

I have already installed Gnome System Monitor, but how do I get it up on 
Unity 'panel' as a small ikon so I always can see system loads?