trying 2000 iterations
read thread 1097288000 start
write thread 1105680704 start
write thread 1105680704 stop
read thread 1097288000 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.01user 0.10system 0:12.23elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+7008outputs (0major+216minor)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 0:00.06elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.06system 0:06.97elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.12user 0.95system 0:02.29elapsed 47%CPU (0avgtext+0avgdata 0maxresident)k
2688inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.14user 1.02system 0:02.19elapsed 52%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.13user 0.98system 0:02.29elapsed 48%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.08user 1.07system 0:02.01elapsed 57%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.00user 0.06system 0:07.05elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+135minor)pagefaults 0swaps
4.24user 2.64system 0:15.42elapsed 44%CPU (0avgtext+0avgdata 0maxresident)k
310112inputs+409600outputs (1599major+24184minor)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 1.26system 2:23.63elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+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...
2.07user 19.55system 0:52.54elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+5242968outputs (0major+164413minor)pagefaults 0swaps
0.00user 0.85system 0:02.15elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.46user 10.32system 0:11.81elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 200%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.11elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps