[General]: create performance metric for intermediate layer

[asamluka]

Detailed Description

Creating entities and sending them to the corresponding note has low performance. More information is needed to determine and estimate problems within the code and the environment. It can also interact as an performance metric for comparison.

Definition of Done

• integrate profiling
• measure time for every step
• return a comparison in percentages of runtime

Testability

Run on a testset. The results should only differ slightly. The plausibility of the results should be determined by an experienced programmer.

Dependencies

#536