Reading Time: < 1 minute LoginVSI announce that Login PI 1.0, a real-world performance insights on Virtual Desktops, is available and you can start your trial today. Login PI is a new way to measure the user experience of your VDI environment. More than just measuring performance counters, Login PI reports on how the environment is really performing – how long does it take to log in, and what’s the response time of apps.