trying 2000 iterations
read thread 1095301440 start
write thread 1103694144 start
write thread 1103694144 stop
read thread 1095301440 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.01user 0.05system 0:13.49elapsed 0%CPU (0avgtext+0avgdata 2928maxresident)k
72inputs+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 0:00.10elapsed 0%CPU (0avgtext+0avgdata 1440maxresident)k
56inputs+56outputs (0major+112minor)pagefaults 0swaps
0.00user 0.03system 0:07.72elapsed 0%CPU (0avgtext+0avgdata 5808maxresident)k
24inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.04user 0.44system 0:02.21elapsed 21%CPU (0avgtext+0avgdata 411056maxresident)k
2744inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.04user 0.43system 0:02.33elapsed 20%CPU (0avgtext+0avgdata 411072maxresident)k
16inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.04user 0.42system 0:02.75elapsed 16%CPU (0avgtext+0avgdata 411072maxresident)k
2560inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.04user 0.42system 0:02.34elapsed 20%CPU (0avgtext+0avgdata 411072maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.00user 0.03system 0:07.77elapsed 0%CPU (0avgtext+0avgdata 1696maxresident)k
24inputs+128000outputs (0major+136minor)pagefaults 0swaps
1.87user 1.27system 0:17.15elapsed 18%CPU (0avgtext+0avgdata 411040maxresident)k
320440inputs+409600outputs (1major+25783minor)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 0.78system 2:30.39elapsed 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...
0.97user 9.66system 1:12.24elapsed 14%CPU (0avgtext+0avgdata 132864maxresident)k
24inputs+5242968outputs (0major+164434minor)pagefaults 0swaps
0.00user 0.39system 0:02.38elapsed 16%CPU (0avgtext+0avgdata 1488maxresident)k
16inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.15user 7.95system 0:09.41elapsed 96%CPU (0avgtext+0avgdata 1216maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 8%CPU (0avgtext+0avgdata 3504maxresident)k
32inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.19elapsed 1%CPU (0avgtext+0avgdata 3504maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 0%CPU (0avgtext+0avgdata 3488maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps