Looking for a way how to find out total elapsed time of data_engine probe maintenance job.
data_engine probe
Increase loglevel = 1 (or more) in data_engine probe so you will see the following log in data_engine.log at the end of job.
de: Admin - Data Maintenance used 109 seconds ~= ( 1 minute, 49 seconds )
de: Admin - CheckLicense used 0 seconds ~= ( 0 seconds )
de: Admin - done in 109 seconds ~= ( 1 minute, 49 seconds )