Introducing the Virtual User Generator (VuGen) | Loadrunner Tutorial pdf

Introducing the Virtual User Generator (VuGen)

In a testing environment, LoadRunner replaces human users at physical machines, with virtual users, or a Vusers. Vusers create load on a system by emulating actions of typical users in a repeatable and predictable manner.
The LoadRunner Virtual User Generator (VuGen) works on a record-andplayback principle. As you walk through a business process on your application, VuGen records your actions into automated scripts which will form the foundation of your load tests.
Note: If you have completed the HP LoadRunner Quick Start, you will notice that the script steps that you recorded there are identical to those that you will record in the following section. However, the overall recording process is explained here in greater detail.