trying 2000 iterations
read thread 1092933952 start
write thread 1101326656 start
write thread 1101326656 stop
read thread 1092933952 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.11system 0:12.16elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
96inputs+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 0:00.08elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
56inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.05system 0:07.91elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.10user 0.98system 0:02.95elapsed 36%CPU (0avgtext+0avgdata 0maxresident)k
2760inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.10user 0.96system 0:02.88elapsed 36%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.10user 0.91system 0:03.25elapsed 31%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.13user 0.95system 0:02.68elapsed 40%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.00user 0.05system 0:07.07elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+136minor)pagefaults 0swaps
2.72user 2.33system 0:17.77elapsed 28%CPU (0avgtext+0avgdata 0maxresident)k
324728inputs+409600outputs (1599major+24187minor)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 1.11system 2:34.16elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+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...
2.32user 20.06system 1:11.09elapsed 31%CPU (0avgtext+0avgdata 0maxresident)k
524312inputs+5242968outputs (0major+164412minor)pagefaults 0swaps
0.00user 0.87system 0:02.83elapsed 30%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
0.50user 9.48system 0:10.06elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.19elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.12elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+241minor)pagefaults 0swaps