trying 2000 iterations
read thread 1086097728 start
write thread 1095387456 start
write thread 1095387456 stop
read thread 1086097728 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.15system 0:13.26elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
80inputs+7008outputs (0major+236minor)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 2%CPU (0avgtext+0avgdata 0maxresident)k
56inputs+40outputs (0major+125minor)pagefaults 0swaps
0.00user 0.11system 0:07.21elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.10user 1.33system 0:02.54elapsed 56%CPU (0avgtext+0avgdata 0maxresident)k
2720inputs+207360outputs (1599major+24416minor)pagefaults 0swaps
0.11user 1.57system 0:02.46elapsed 68%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24418minor)pagefaults 0swaps
0.11user 1.58system 0:02.79elapsed 60%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24417minor)pagefaults 0swaps
0.12user 1.50system 0:02.46elapsed 66%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24417minor)pagefaults 0swaps
0.00user 0.10system 0:07.11elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+144minor)pagefaults 0swaps
3.64user 3.18system 0:16.97elapsed 40%CPU (0avgtext+0avgdata 0maxresident)k
318464inputs+409600outputs (1599major+24201minor)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 1.83system 2:25.78elapsed 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...
2.49user 31.28system 1:10.14elapsed 48%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164466minor)pagefaults 0swaps
0.00user 1.48system 0:02.86elapsed 51%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+126minor)pagefaults 0swaps
read_checkzero done
1.28user 11.71system 0:13.04elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+106minor)pagefaults 0swaps
0.00user 0.00system 0:00.01elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+251minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.11elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+251minor)pagefaults 0swaps