wait event example

Event Name                  Count        Total Time   Average Time
--------------------------- ------------ ------------ ------------
client message                   1770692     26676762 15.065726846
pmon timer                           535       158481 296.22616822
smon timer                             7       146587        20941
db file sequential read            83662        79166 .94625995075
db file scattered read              5224        26120            5
db file parallel write              6982         6848 .98080779146
latch free                         15653         4442 .28377946719
enqueue                               28         2268           81
log file sync                       3638         2245 .61709730621
log file parallel write             3892         2004 .51490236382
control file parallel write          843          850 1.0083036773
log file space/switch                  5          236         47.2
db file single write                 726          210 .28925619835
control file sequential rea         1196           22 .01839464883
library cache pin                     24           10 .41666666667
buffer busy waits                     28            6 .21428571429