trying 2000 iterations
read thread 1105459520 start
write thread 1113852224 start
write thread 1113852224 stop
read thread 1105459520 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.10system 0:12.94elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+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 0:00.14elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+40outputs (0major+112minor)pagefaults 0swaps
0.00user 0.06system 0:07.14elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.10user 1.01system 0:02.42elapsed 45%CPU (0avgtext+0avgdata 0maxresident)k
2688inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.12user 0.98system 0:02.10elapsed 52%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24406minor)pagefaults 0swaps
0.08user 1.02system 0:02.37elapsed 46%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.10user 1.05system 0:02.12elapsed 54%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.00user 0.07system 0:07.07elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+137minor)pagefaults 0swaps
2.79user 2.32system 0:16.17elapsed 31%CPU (0avgtext+0avgdata 0maxresident)k
326240inputs+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 1.17system 2:24.00elapsed 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...
2.24user 19.46system 1:02.92elapsed 34%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+5242968outputs (0major+164413minor)pagefaults 0swaps
0.00user 0.85system 0:02.20elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
0.82user 12.07system 0:13.45elapsed 95%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 160%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.11elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+240minor)pagefaults 0swaps