trying 2000 iterations
read thread 1082132800 start
write thread 1090525504 start
write thread 1090525504 stop
read thread 1082132800 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.12system 0:12.15elapsed 1%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 0:00.07elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+56outputs (0major+114minor)pagefaults 0swaps
0.00user 0.10system 0:07.19elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+397minor)pagefaults 0swaps
0.11user 1.07system 0:02.44elapsed 48%CPU (0avgtext+0avgdata 0maxresident)k
2944inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.11user 1.11system 0:02.24elapsed 54%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.12user 1.08system 0:02.57elapsed 46%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.12user 1.10system 0:02.22elapsed 55%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.00user 0.05system 0:07.22elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+136minor)pagefaults 0swaps
1.17user 1.95system 0:14.76elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
176320inputs+409600outputs (49major+25734minor)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 1.41system 2:24.76elapsed 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...
2.44user 21.44system 0:59.44elapsed 40%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+5242968outputs (0major+164412minor)pagefaults 0swaps
0.00user 0.96system 0:02.86elapsed 33%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+112minor)pagefaults 0swaps
read_checkzero done
1.06user 10.43system 0:11.52elapsed 99%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+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 1%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