tsm6ol30.dll is a Graph Layout Toolkit Orthogonal Layout Module
belonging to Graph Layout Toolkit
from Tom Sawyer Software
Non-system processes like tsm6ol30.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.