MySQL strace fsync,fdatasync

[Email protected] test]# strace-f-f-e trace=fdatasync,fsync-p 4043

Process8703Attached with  atThreads-Interrupt toquit[pid 7089]Fsync9)= 0[PID 4063]Fsync9)= 0[PID 4063]Fsync9)= 0[PID 4061]Fsync4)= 0[PID 4050]Fsync4)= 0[PID 4050]Fsync -)= 0[PID 4061]Fsync4)= 0[PID 4050]Fsync A)= 0[PID 4061]Fsync4)= 0[PID 4050]Fsync -)= 0[PID 4061]Fsync4)= 0[PID 4050]Fsync4)= 0[PID 4061]Fsync4)= 0[PID 4052]Fsync4)= 0[PID 4061]Fsync4)= 0[PID 4053]Fsync4)= 0[PID 4045]Fsync9)= 0

[[email protected] test]# strace-f-f-c-P 4043  

%Time seconds Usecs/Call calls errors Syscall------ ----------- ----------- --------- --------- ---------------- 60.99    0.154980        1084       143io_getevents23.66    0.060119         911         the         -Futex10.23    0.025997        1625         -           Select  2.36    0.006000         -         5         4Restart_syscall1.97    0.005000         625         8Fsync0.39    0.001000           +         -Clock_gettime0.39    0.000999          -         4Pwrite0.00    0.000000           0         1Write0.00    0.000000           0         4Sched_yield0.00    0.000000           0         1SendTo0.00    0.000000           0         3         1Recvfrom0.00    0.000000           0         4Io_submit------ ----------- ----------- --------- --------- ----------------100.00    0.254095                   280         + Total

MySQL strace fsync,fdatasync