trying 2000 iterations
read thread 1087539520 start
write thread 1095932224 start
write thread 1095932224 stop
read thread 1087539520 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.16system 0:12.83elapsed 1%CPU (0avgtext+0avgdata 2976maxresident)k
80inputs+7008outputs (0major+235minor)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 0:00.47elapsed 0%CPU (0avgtext+0avgdata 1568maxresident)k
56inputs+56outputs (0major+126minor)pagefaults 0swaps
0.00user 0.15system 0:06.99elapsed 2%CPU (0avgtext+0avgdata 5904maxresident)k
24inputs+128000outputs (0major+407minor)pagefaults 0swaps
0.08user 1.05system 0:02.90elapsed 39%CPU (0avgtext+0avgdata 410736maxresident)k
2728inputs+207360outputs (1major+26015minor)pagefaults 0swaps
0.04user 1.00system 0:02.06elapsed 50%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.05user 1.01system 0:02.57elapsed 41%CPU (0avgtext+0avgdata 410736maxresident)k
2560inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.07user 0.98system 0:02.34elapsed 45%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.00user 0.13system 0:07.20elapsed 1%CPU (0avgtext+0avgdata 1776maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
3.89user 2.73system 0:18.29elapsed 36%CPU (0avgtext+0avgdata 410720maxresident)k
318168inputs+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 2.56system 2:25.86elapsed 1%CPU (0avgtext+0avgdata 7184maxresident)k
24inputs+2560008outputs (0major+483minor)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...
1.65user 19.09system 1:19.41elapsed 26%CPU (0avgtext+0avgdata 132992maxresident)k
24inputs+5242968outputs (0major+164476minor)pagefaults 0swaps
0.00user 0.68system 0:02.55elapsed 26%CPU (0avgtext+0avgdata 1616maxresident)k
16inputs+192000outputs (0major+125minor)pagefaults 0swaps
read_checkzero done
1.09user 9.57system 0:12.03elapsed 88%CPU (0avgtext+0avgdata 1296maxresident)k
16inputs+8outputs (0major+105minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 15%CPU (0avgtext+0avgdata 3600maxresident)k
32inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.23elapsed 2%CPU (0avgtext+0avgdata 3600maxresident)k
0inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 1%CPU (0avgtext+0avgdata 3632maxresident)k
789inputs+792outputs (0major+254minor)pagefaults 0swaps