trying 2000 iterations
read thread 1096182080 start
write thread 1104574784 start
write thread 1104574784 stop
read thread 1096182080 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.06system 0:12.13elapsed 0%CPU (0avgtext+0avgdata 2944maxresident)k
72inputs+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 0:00.08elapsed 0%CPU (0avgtext+0avgdata 1456maxresident)k
72inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.03system 0:07.81elapsed 0%CPU (0avgtext+0avgdata 5824maxresident)k
24inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.04user 0.46system 0:03.30elapsed 15%CPU (0avgtext+0avgdata 411072maxresident)k
2720inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.05user 0.48system 0:03.01elapsed 17%CPU (0avgtext+0avgdata 411056maxresident)k
0inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.04user 0.45system 0:03.30elapsed 15%CPU (0avgtext+0avgdata 411056maxresident)k
2560inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.04user 0.49system 0:03.07elapsed 17%CPU (0avgtext+0avgdata 411088maxresident)k
0inputs+207360outputs (1major+26004minor)pagefaults 0swaps
0.00user 0.04system 0:07.56elapsed 0%CPU (0avgtext+0avgdata 1696maxresident)k
24inputs+128000outputs (0major+136minor)pagefaults 0swaps
0.65user 1.04system 0:18.75elapsed 9%CPU (0avgtext+0avgdata 411056maxresident)k
298784inputs+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 0.96system 2:37.39elapsed 0%CPU (0avgtext+0avgdata 7104maxresident)k
24inputs+2560008outputs (0major+475minor)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 10.50system 1:22.87elapsed 13%CPU (0avgtext+0avgdata 132864maxresident)k
32inputs+5242968outputs (0major+164424minor)pagefaults 0swaps
0.00user 0.42system 0:02.92elapsed 14%CPU (0avgtext+0avgdata 1504maxresident)k
24inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
0.93user 9.49system 0:10.46elapsed 99%CPU (0avgtext+0avgdata 1232maxresident)k
16inputs+8outputs (0major+97minor)pagefaults 0swaps
0.00user 0.00system 0:00.05elapsed 5%CPU (0avgtext+0avgdata 3488maxresident)k
56inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.27elapsed 1%CPU (0avgtext+0avgdata 3504maxresident)k
8inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 0%CPU (0avgtext+0avgdata 3488maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps