Timeline:
start_time (diff_time_with_previous) tree_structure
  0.00000 (  0.00002) Total
  0.00002 (  0.00002) -start
  0.00004 (  0.00002) -Logging Request
  0.00006 (  0.03850) --Creating fhnet PDO...
  0.03855 (  0.00003) --fhnet PDO created
  0.03858 (  0.58489) --Statement created
  0.62348 (  0.00000) --Statement executed
Logging Request       -0.62350
  0.76677 (  0.00000) -finish
Total                 0.76678