trying 2000 iterations
read thread 1106262336 start
write thread 1092229440 start
write thread 1092229440 stop
read thread 1106262336 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.15system 0:12.19elapsed 1%CPU (0avgtext+0avgdata 2976maxresident)k
112inputs+7008outputs (0major+237minor)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 1568maxresident)k
72inputs+56outputs (0major+126minor)pagefaults 0swaps
0.00user 0.09system 0:07.28elapsed 1%CPU (0avgtext+0avgdata 5904maxresident)k
24inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.09user 1.01system 0:02.71elapsed 40%CPU (0avgtext+0avgdata 410752maxresident)k
2720inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.09user 0.85system 0:02.43elapsed 39%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.10user 0.98system 0:02.96elapsed 36%CPU (0avgtext+0avgdata 410752maxresident)k
2560inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.11user 1.05system 0:02.74elapsed 42%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.00user 0.08system 0:07.27elapsed 1%CPU (0avgtext+0avgdata 1776maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
2.74user 2.46system 0:18.04elapsed 28%CPU (0avgtext+0avgdata 410720maxresident)k
328016inputs+409600outputs (1major+25797minor)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 1.57system 2:26.74elapsed 1%CPU (0avgtext+0avgdata 7184maxresident)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...
1.69user 18.34system 1:14.17elapsed 27%CPU (0avgtext+0avgdata 132976maxresident)k
24inputs+5242968outputs (0major+164456minor)pagefaults 0swaps
0.00user 0.64system 0:02.76elapsed 23%CPU (0avgtext+0avgdata 1632maxresident)k
16inputs+192000outputs (0major+126minor)pagefaults 0swaps
read_checkzero done
1.37user 8.82system 0:10.27elapsed 99%CPU (0avgtext+0avgdata 1312maxresident)k
16inputs+8outputs (0major+106minor)pagefaults 0swaps
0.00user 0.00system 0:00.04elapsed 11%CPU (0avgtext+0avgdata 3616maxresident)k
32inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 2%CPU (0avgtext+0avgdata 3632maxresident)k
0inputs+784outputs (0major+254minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 1%CPU (0avgtext+0avgdata 3616maxresident)k
789inputs+792outputs (0major+253minor)pagefaults 0swaps