Timeline:
start_time (diff_time_with_previous) tree_structure
  0.00000 (  0.00003) Total
  0.00003 (  0.00002) -start
  0.00005 (  0.00002) -Logging Request
  0.00007 (  0.00318) --Creating fhnet PDO...
  0.00324 (  0.00004) --fhnet PDO created
  0.00328 (  0.00096) --Statement created
  0.00424 (  0.00000) --Statement executed
Logging Request       -0.00422
  0.00478 (  0.00000) -finish
Total                 0.00479