trying 2000 iterations
read thread 1087727936 start
write thread 1096120640 start
write thread 1096120640 stop
read thread 1087727936 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.12system 0:12.22elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
56inputs+7008outputs (0major+213minor)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 4%CPU (0avgtext+0avgdata 0maxresident)k
40inputs+56outputs (0major+114minor)pagefaults 0swaps
0.00user 0.10system 0:07.07elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.09user 0.98system 0:02.48elapsed 43%CPU (0avgtext+0avgdata 0maxresident)k
2736inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.12user 0.99system 0:02.19elapsed 50%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.12user 1.03system 0:02.44elapsed 47%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.09user 0.97system 0:02.06elapsed 51%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.00user 0.08system 0:07.37elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+136minor)pagefaults 0swaps
4.21user 2.78system 0:17.90elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k
331360inputs+409600outputs (1599major+24185minor)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
0.01user 1.11system 2:26.39elapsed 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...
2.22user 19.77system 0:58.54elapsed 37%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+5242968outputs (0major+164403minor)pagefaults 0swaps
0.00user 0.88system 0:02.19elapsed 40%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
0.98user 9.67system 0:10.69elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.18elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.12elapsed 6%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+240minor)pagefaults 0swaps