trying 2000 iterations
read thread 1082132800 start
write thread 1090525504 start
read thread 1082132800 stop
write thread 1090525504 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.06system 0:12.25elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+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+114minor)pagefaults 0swaps
0.00user 0.04system 0:07.00elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.08user 0.96system 0:02.73elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k
2944inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.09user 0.96system 0:02.43elapsed 43%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25956minor)pagefaults 0swaps
0.09user 0.98system 0:02.28elapsed 47%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (49major+25956minor)pagefaults 0swaps
0.11user 0.94system 0:02.09elapsed 50%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.00user 0.06system 0:06.93elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+135minor)pagefaults 0swaps
7.59user 3.51system 0:17.78elapsed 62%CPU (0avgtext+0avgdata 0maxresident)k
330560inputs+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
0.00user 1.86system 2:40.30elapsed 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...
2.32user 18.79system 1:00.16elapsed 35%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+5242968outputs (0major+164422minor)pagefaults 0swaps
0.00user 0.76system 0:02.18elapsed 34%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+112minor)pagefaults 0swaps
read_checkzero done
2.49user 11.55system 0:14.07elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+95minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+242minor)pagefaults 0swaps
0.00user 0.00system 0:00.19elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.12elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+241minor)pagefaults 0swaps