trying 2000 iterations
read thread 1100409152 start
write thread 1090496832 start
write thread 1090496832 stop
read thread 1100409152 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.14system 0:16.19elapsed 0%CPU (0avgtext+0avgdata 2976maxresident)k
88inputs+7008outputs (0major+236minor)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 0:00.41elapsed 0%CPU (0avgtext+0avgdata 1568maxresident)k
64inputs+56outputs (0major+126minor)pagefaults 0swaps
0.00user 0.09system 0:07.04elapsed 1%CPU (0avgtext+0avgdata 5904maxresident)k
24inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.08user 0.92system 0:02.36elapsed 43%CPU (0avgtext+0avgdata 410736maxresident)k
2728inputs+207360outputs (1major+26015minor)pagefaults 0swaps
0.11user 1.16system 0:02.21elapsed 57%CPU (0avgtext+0avgdata 410752maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.11user 1.13system 0:02.43elapsed 51%CPU (0avgtext+0avgdata 410768maxresident)k
2560inputs+207360outputs (1major+26018minor)pagefaults 0swaps
0.10user 1.10system 0:02.16elapsed 55%CPU (0avgtext+0avgdata 410752maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.00user 0.09system 0:07.01elapsed 1%CPU (0avgtext+0avgdata 1760maxresident)k
24inputs+128000outputs (0major+144minor)pagefaults 0swaps
4.16user 2.71system 0:16.29elapsed 42%CPU (0avgtext+0avgdata 410720maxresident)k
322368inputs+409600outputs (1major+25799minor)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 1.83system 2:23.81elapsed 1%CPU (0avgtext+0avgdata 7200maxresident)k
24inputs+2560008outputs (0major+484minor)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...
2.00user 21.79system 1:10.29elapsed 33%CPU (0avgtext+0avgdata 132992maxresident)k
24inputs+5242968outputs (0major+164456minor)pagefaults 0swaps
0.00user 0.62system 0:02.08elapsed 29%CPU (0avgtext+0avgdata 1616maxresident)k
16inputs+192000outputs (0major+125minor)pagefaults 0swaps
read_checkzero done
1.17user 7.34system 0:08.76elapsed 97%CPU (0avgtext+0avgdata 1312maxresident)k
16inputs+8outputs (0major+106minor)pagefaults 0swaps
0.00user 0.00system 0:00.04elapsed 13%CPU (0avgtext+0avgdata 3600maxresident)k
32inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.19elapsed 3%CPU (0avgtext+0avgdata 3600maxresident)k
0inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 0%CPU (0avgtext+0avgdata 3632maxresident)k
789inputs+792outputs (0major+254minor)pagefaults 0swaps