trying 2000 iterations
read thread 1087322432 start
write thread 1100335424 start
write thread 1100335424 stop
read thread 1087322432 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.03system 0:12.13elapsed 0%CPU (0avgtext+0avgdata 2944maxresident)k
64inputs+7008outputs (0major+214minor)pagefaults 0swaps
Pass: faulty sync/aio dio writes give EFAULT and don't write garbage
Command exited with non-zero status 2
0.00user 0.00system 0:00.09elapsed 0%CPU (0avgtext+0avgdata 1440maxresident)k
56inputs+56outputs (0major+112minor)pagefaults 0swaps
0.00user 0.03system 0:07.12elapsed 0%CPU (0avgtext+0avgdata 5808maxresident)k
32inputs+128000outputs (0major+394minor)pagefaults 0swaps
0.04user 0.44system 0:02.32elapsed 20%CPU (0avgtext+0avgdata 411056maxresident)k
2728inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.03user 0.44system 0:02.10elapsed 22%CPU (0avgtext+0avgdata 411056maxresident)k
0inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.03user 0.42system 0:02.33elapsed 19%CPU (0avgtext+0avgdata 411088maxresident)k
2560inputs+207360outputs (1major+26004minor)pagefaults 0swaps
0.04user 0.43system 0:02.01elapsed 23%CPU (0avgtext+0avgdata 411072maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.00user 0.03system 0:07.18elapsed 0%CPU (0avgtext+0avgdata 1680maxresident)k
24inputs+128000outputs (0major+135minor)pagefaults 0swaps
1.45user 1.11system 0:16.66elapsed 15%CPU (0avgtext+0avgdata 411056maxresident)k
323432inputs+409600outputs (1major+25784minor)pagefaults 0swaps
dio_truncate: child reading file
parent loop # 0
parent loop # 1
parent loop # 2
parent loop # 3
parent loop # 4
parent loop # 5
parent loop # 6
parent loop # 7
parent loop # 8
parent loop # 9
0.00user 0.77system 2:23.44elapsed 0%CPU (0avgtext+0avgdata 7088maxresident)k
24inputs+2560008outputs (0major+474minor)pagefaults 0swaps
num_passes set to 10
Pass 1...
num_passes set to 10
Pass 1...
Pass 2...
num_passes set to 10
Pass 1...
Pass 2...
Pass 3...
num_passes set to 10
Pass 1...
Pass 2...
Pass 3...
Pass 4...
num_passes set to 10
Pass 1...
Pass 2...
Pass 3...
Pass 4...
Pass 5...
num_passes set to 10
Pass 1...
Pass 2...
Pass 3...
Pass 4...
Pass 5...
Pass 6...
num_passes set to 10
Pass 1...
Pass 2...
Pass 3...
Pass 4...
Pass 5...
Pass 6...
Pass 7...
num_passes set to 10
Pass 1...
Pass 2...
Pass 3...
Pass 4...
Pass 5...
Pass 6...
Pass 7...
Pass 8...
num_passes set to 10
Pass 1...
Pass 2...
Pass 3...
Pass 4...
Pass 5...
Pass 6...
Pass 7...
Pass 8...
Pass 9...
num_passes set to 10
Pass 1...
Pass 2...
Pass 3...
Pass 4...
Pass 5...
Pass 6...
Pass 7...
Pass 8...
Pass 9...
Pass 10...
num_passes set to 10
Pass 1...
Pass 2...
Pass 3...
Pass 4...
Pass 5...
Pass 6...
Pass 7...
Pass 8...
Pass 9...
Pass 10...
1.14user 9.94system 1:00.38elapsed 18%CPU (0avgtext+0avgdata 132864maxresident)k
24inputs+5242968outputs (0major+164424minor)pagefaults 0swaps
0.00user 0.38system 0:02.03elapsed 18%CPU (0avgtext+0avgdata 1488maxresident)k
16inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
0.62user 10.08system 0:10.74elapsed 99%CPU (0avgtext+0avgdata 1216maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 5%CPU (0avgtext+0avgdata 3488maxresident)k
40inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.16elapsed 0%CPU (0avgtext+0avgdata 3488maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 0%CPU (0avgtext+0avgdata 3520maxresident)k
789inputs+792outputs (0major+241minor)pagefaults 0swaps