SQL> @session_times

Enter SID: 29

EVENT                                                            TIME_WAITED
---------------------------------------------------------------- -----------
SQL*Net message from client                                          2954196
CPU used by this session                                             1657275
db file sequential read                                               246759
write complete waits                                                  139698
buffer busy waits                                                      61832
log file sync                                                          32601
enqueue                                                                 9576
log file switch completion                                              3530
SQL*Net message to client                                               2214
db file scattered read                                                  1879
SQL*Net more data to client                                              952
SQL*Net more data from client                                            908
latch free                                                               840
free buffer waits                                                        100
buffer deadlock                                                           57
row cache lock                                                             1
SQL*Net break/reset to client                                              0