trying 2000 iterations
read thread 1088510272 start
write thread 1096902976 start
write thread 1096902976 stop
read thread 1088510272 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.06system 0:14.54elapsed 0%CPU (0avgtext+0avgdata 2944maxresident)k
96inputs+7008outputs (0major+215minor)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 0:00.21elapsed 0%CPU (0avgtext+0avgdata 1440maxresident)k
56inputs+56outputs (0major+112minor)pagefaults 0swaps
0.00user 0.03system 0:07.17elapsed 0%CPU (0avgtext+0avgdata 5824maxresident)k
48inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.04user 0.43system 0:02.86elapsed 16%CPU (0avgtext+0avgdata 411072maxresident)k
2736inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.03user 0.40system 0:02.70elapsed 16%CPU (0avgtext+0avgdata 411072maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.03user 0.43system 0:02.81elapsed 16%CPU (0avgtext+0avgdata 411072maxresident)k
2560inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.03user 0.42system 0:02.60elapsed 17%CPU (0avgtext+0avgdata 411072maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.00user 0.03system 0:07.33elapsed 0%CPU (0avgtext+0avgdata 1680maxresident)k
32inputs+128000outputs (0major+135minor)pagefaults 0swaps
0.85user 0.97system 0:18.99elapsed 9%CPU (0avgtext+0avgdata 411056maxresident)k
280288inputs+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 0.80system 2:26.80elapsed 0%CPU (0avgtext+0avgdata 7088maxresident)k
24inputs+2560008outputs (0major+473minor)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...
1.11user 10.37system 1:27.15elapsed 13%CPU (0avgtext+0avgdata 132864maxresident)k
24inputs+5242968outputs (0major+164414minor)pagefaults 0swaps
0.00user 0.40system 0:02.75elapsed 14%CPU (0avgtext+0avgdata 1504maxresident)k
24inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
1.50user 9.56system 0:12.13elapsed 91%CPU (0avgtext+0avgdata 1216maxresident)k
16inputs+8outputs (0major+97minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 0%CPU (0avgtext+0avgdata 3504maxresident)k
32inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.24elapsed 0%CPU (0avgtext+0avgdata 3504maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 0%CPU (0avgtext+0avgdata 3488maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps