trying 2000 iterations
read thread 1090738496 start
write thread 1099131200 start
write thread 1099131200 stop
read thread 1090738496 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.11system 0:12.13elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+7008outputs (0major+214minor)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 0.09system 0:07.03elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.10user 1.07system 0:02.42elapsed 48%CPU (0avgtext+0avgdata 0maxresident)k
2688inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.11user 1.13system 0:02.12elapsed 58%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.10user 1.13system 0:02.49elapsed 49%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.10user 1.15system 0:02.11elapsed 59%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.00user 0.08system 0:07.06elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+136minor)pagefaults 0swaps
4.82user 2.98system 0:16.17elapsed 48%CPU (0avgtext+0avgdata 0maxresident)k
331632inputs+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 1.33system 2:24.95elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+2560008outputs (0major+474minor)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...
2.29user 21.20system 0:55.32elapsed 42%CPU (0avgtext+0avgdata 0maxresident)k
131072inputs+5242968outputs (0major+164403minor)pagefaults 0swaps
0.00user 1.00system 0:02.33elapsed 43%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
0.62user 10.05system 0:10.70elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 133%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.01system 0:00.22elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.10elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+240minor)pagefaults 0swaps