There are many entries like this in my log:
[2010-03-10] [15:18:20.906] 00bac 1 CVolume::UpdateDriveMap#340 Map generated in 1.59413 seconds.
[2010-03-10] [15:18:23.000] 00bac 1 CVolume::UpdateDriveMap#340 Map generated in 1.59111 seconds.
[2010-03-10] [15:18:25.078] 00bac 1 CVolume::UpdateDriveMap#340 Map generated in 1.57261 seconds.
[2010-03-10] [15:18:27.156] 00bac 1 CVolume::UpdateDriveMap#340 Map generated in 1.58249 seconds.
Defraggler is very slow for me. It's utilizes CPU resources very much.
Log attached.
Defraggler.exe._1_17_172__2010_03_10_14_42_.zip