BootVis – boot performace trace

BootVis is a performance trace visualization utility developed by Microsoft. It will help you trace all the processes and their running time at boot time. You display data in various diagrams and you can easily see what apps and services are consuming more time at boot. This tool will not improve boot performance and it is for more experienced users. You can use it on Windows XP, but not on Vista systems.

Homepage: http://www.microsoft.com/whdc/system/sysperf/fastboot/bootvis.mspx