trying 2000 iterations
read thread 1087002944 start
write thread 1095395648 start
read thread 1087002944 stop
write thread 1095395648 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.12system 0:12.12elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+7008outputs (0major+213minor)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+40outputs (0major+112minor)pagefaults 0swaps
0.00user 0.04system 0:06.97elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.16user 1.10system 0:02.24elapsed 56%CPU (0avgtext+0avgdata 0maxresident)k
2688inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.13user 1.12system 0:02.25elapsed 55%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.13user 1.07system 0:02.29elapsed 52%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.12user 1.13system 0:02.27elapsed 55%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24403minor)pagefaults 0swaps
0.00user 0.05system 0:07.20elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+135minor)pagefaults 0swaps
2.18user 2.38system 0:16.43elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k
318168inputs+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
0.01user 1.34system 2:28.24elapsed 0%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...
2.54user 21.39system 1:06.85elapsed 35%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+5242968outputs (0major+164414minor)pagefaults 0swaps
0.00user 1.00system 0:02.43elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.01user 10.64system 0:11.69elapsed 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+238minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.10elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+238minor)pagefaults 0swaps