trying 2000 iterations
read thread 1085286720 start
write thread 1093679424 start
write thread 1093679424 stop
read thread 1085286720 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.16system 0:12.26elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
88inputs+7008outputs (0major+235minor)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 0:00.09elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
56inputs+56outputs (0major+125minor)pagefaults 0swaps
0.00user 0.10system 0:07.01elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+128000outputs (0major+407minor)pagefaults 0swaps
0.11user 1.52system 0:02.69elapsed 60%CPU (0avgtext+0avgdata 0maxresident)k
2728inputs+207360outputs (1599major+24416minor)pagefaults 0swaps
0.10user 1.47system 0:02.20elapsed 71%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24418minor)pagefaults 0swaps
0.11user 1.53system 0:02.56elapsed 64%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24417minor)pagefaults 0swaps
0.11user 1.51system 0:02.20elapsed 74%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24417minor)pagefaults 0swaps
0.00user 0.11system 0:07.01elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
3.29user 3.18system 0:16.09elapsed 40%CPU (0avgtext+0avgdata 0maxresident)k
328096inputs+409600outputs (1599major+24197minor)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 1.78system 2:23.08elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+2560008outputs (0major+484minor)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...
2.42user 29.61system 1:02.26elapsed 51%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164456minor)pagefaults 0swaps
0.00user 1.22system 0:02.53elapsed 48%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+125minor)pagefaults 0swaps
read_checkzero done
1.44user 13.50system 0:15.00elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+105minor)pagefaults 0swaps
0.00user 0.00system 0:00.05elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+251minor)pagefaults 0swaps
0.00user 0.00system 0:00.19elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+251minor)pagefaults 0swaps
0.00user 0.00system 0:00.11elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+252minor)pagefaults 0swaps