trying 2000 iterations
read thread 1097447744 start
write thread 1105840448 start
write thread 1105840448 stop
read thread 1097447744 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.10system 0:13.96elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+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 0:00.13elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.08system 0:07.18elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+397minor)pagefaults 0swaps
0.10user 1.00system 0:03.31elapsed 33%CPU (0avgtext+0avgdata 0maxresident)k
2688inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.10user 1.05system 0:02.82elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.11user 1.02system 0:02.84elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.10user 1.07system 0:02.83elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.00user 0.11system 0:07.03elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+128000outputs (0major+135minor)pagefaults 0swaps
1.86user 1.96system 0:17.13elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
311168inputs+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 1.05system 2:26.15elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+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...
2.20user 20.28system 1:21.60elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k
327680inputs+5242968outputs (0major+164412minor)pagefaults 0swaps
0.00user 0.80system 0:02.80elapsed 28%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.03user 10.89system 0:12.48elapsed 95%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+95minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 160%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+241minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.16elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+241minor)pagefaults 0swaps