trying 2000 iterations
read thread 1100470592 start
write thread 1108863296 start
write thread 1108863296 stop
read thread 1100470592 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.11system 0:12.18elapsed 0%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 0:00.08elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.06system 0:07.13elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.05user 1.14system 0:02.35elapsed 50%CPU (0avgtext+0avgdata 0maxresident)k
2944inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.11user 1.06system 0:02.03elapsed 57%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.08user 1.15system 0:02.37elapsed 52%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.10user 1.06system 0:02.14elapsed 54%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.00user 0.06system 0:07.06elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+135minor)pagefaults 0swaps
0.67user 1.89system 0:14.28elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
128008inputs+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
0.00user 1.51system 2:20.99elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+2560008outputs (0major+475minor)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...
2.36user 20.30system 0:54.11elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+5242968outputs (0major+164423minor)pagefaults 0swaps
0.00user 0.83system 0:02.24elapsed 36%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
0.88user 10.35system 0:11.25elapsed 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+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.12elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+241minor)pagefaults 0swaps