Uptime on admin front panel

Any way to create an uptime counter on the admin page below the already present info?
Something like this?

Active Temp:
Load:
Memory usage:
Uptime:

Is this a feature request? Are you seeking advice how to do it yourself?
If the former, there is little chance of implementation:

Feature request

Not sure if this was the right location to put this...sorry

I change the category, but will make this as duplicate.