Re: lgwr/dbw0 did not issue pwrite64 sys call

Freek,
There is no AIO system call, io_submit and io_getevents. I wonder if there
any way to identify which process is actually take care the Physical IO.

oracle   16376     1  0 Nov14 ?        00:16:36 ora_lgwr_testsid
$ strace -c -f -S time -p 16376
Process 16376 attached - interrupt to quit
Process 16376 detached
% time     seconds  usecs/call     calls    errors syscall
------ ----------- ----------- --------- --------- ----------------
 73.72    0.116262         222       523           read
 20.97    0.033069         109       304        59 semtimedop
  2.24    0.003530          14       260           kill
  1.89    0.002981           2      1199           times
  1.06    0.001674           8       203           semctl
  0.04    0.000068           1        58           getrusage
  0.03    0.000054          14         4           semop
  0.02    0.000036          12         3           open
  0.01    0.000009           9         1           sendmsg
  0.00    0.000005           2         3           close
  0.00    0.000003           1         4           rt_sigprocmask
  0.00    0.000003           3         1         1 rt_sigreturn
  0.00    0.000003           2         2           setitimer
------ ----------- ----------- --------- --------- ----------------
100.00    0.157697                  2565        60 total


-- 
Regards
Sidney Chen


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