trying 2000 iterations
read thread 1096563008 start
write thread 1104955712 start
write thread 1104955712 stop
read thread 1096563008 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.12system 0:12.11elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+7008outputs (0major+216minor)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+114minor)pagefaults 0swaps
0.00user 0.11system 0:07.13elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.09user 1.31system 0:02.55elapsed 55%CPU (0avgtext+0avgdata 0maxresident)k
2944inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.07user 1.17system 0:02.01elapsed 61%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.06user 0.99system 0:02.37elapsed 44%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.09user 1.30system 0:02.25elapsed 61%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.00user 0.10system 0:07.04elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+136minor)pagefaults 0swaps
1.14user 2.09system 0:15.86elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
286080inputs+409600outputs (49major+25735minor)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 1.99system 2:28.95elapsed 1%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...
2.31user 23.65system 0:59.14elapsed 43%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+5242968outputs (0major+164412minor)pagefaults 0swaps
0.00user 1.02system 0:02.42elapsed 42%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
1.30user 8.18system 0:09.51elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+97minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 133%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.19elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+241minor)pagefaults 0swaps
0.00user 0.00system 0:00.10elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps