Thanks to Key we have stress:
Title: stress.tce
Description: Hardware stress-testing tool
Version: 1.0.0
Author: Amos Waterland
Original-site: http://freshmeat.net/projects/stress
Copying-policy: GPL
Size: 8.8k
Extension_by: Key
Comments: stress is a tool to impose load on and stress test Unix-like systems.
It can apply user-specified amounts of CPU, I/O, or RAM load to your application
and will report back the results. It runs on a wide variety of platforms, and
is optimal for use in automated testing systems.
Title: stress.tcz
Description: Hardware stress-testing tool
Version: 1.0.0
Author: Amos Waterland
Original-site: http://freshmeat.net/projects/stress
Copying-policy: GPL
Size: 366k
Extension_by: Key
Comments: stress is a tool to impose load on and stress test Unix-like systems.
It can apply user-specified amounts of CPU, I/O, or RAM load to your application
and will report back the results. It runs on a wide variety of platforms, and
is optimal for use in automated testing systems.