trying 2000 iterations
read thread 1098946880 start
write thread 1084012864 start
write thread 1084012864 stop
read thread 1098946880 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.05system 0:12.14elapsed 0%CPU (0avgtext+0avgdata 2944maxresident)k
64inputs+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 0:00.08elapsed 0%CPU (0avgtext+0avgdata 1440maxresident)k
56inputs+56outputs (0major+112minor)pagefaults 0swaps
0.00user 0.05system 0:07.33elapsed 0%CPU (0avgtext+0avgdata 5824maxresident)k
24inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.04user 0.40system 0:02.34elapsed 19%CPU (0avgtext+0avgdata 411072maxresident)k
2720inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.04user 0.41system 0:02.17elapsed 21%CPU (0avgtext+0avgdata 411056maxresident)k
0inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.04user 0.42system 0:02.53elapsed 18%CPU (0avgtext+0avgdata 411072maxresident)k
2560inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.03user 0.43system 0:02.07elapsed 22%CPU (0avgtext+0avgdata 411072maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.00user 0.03system 0:07.16elapsed 0%CPU (0avgtext+0avgdata 1680maxresident)k
24inputs+128000outputs (0major+136minor)pagefaults 0swaps
0.65user 0.84system 0:16.26elapsed 9%CPU (0avgtext+0avgdata 411056maxresident)k
311384inputs+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 0.76system 2:25.26elapsed 0%CPU (0avgtext+0avgdata 7104maxresident)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...
1.11user 9.52system 1:01.13elapsed 17%CPU (0avgtext+0avgdata 132864maxresident)k
24inputs+5242968outputs (0major+164414minor)pagefaults 0swaps
0.00user 0.39system 0:02.22elapsed 17%CPU (0avgtext+0avgdata 1488maxresident)k
16inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.17user 7.56system 0:08.77elapsed 99%CPU (0avgtext+0avgdata 1216maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 20%CPU (0avgtext+0avgdata 3504maxresident)k
32inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.19elapsed 1%CPU (0avgtext+0avgdata 3488maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.28elapsed 1%CPU (0avgtext+0avgdata 3488maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps