trying 2000 iterations
read thread 1082374464 start
write thread 1090767168 start
write thread 1090767168 stop
read thread 1082374464 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.15system 0:12.13elapsed 1%CPU (0avgtext+0avgdata 2976maxresident)k
48inputs+7008outputs (0major+238minor)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 1%CPU (0avgtext+0avgdata 1568maxresident)k
56inputs+40outputs (0major+125minor)pagefaults 0swaps
0.00user 0.14system 0:07.18elapsed 2%CPU (0avgtext+0avgdata 5888maxresident)k
48inputs+128000outputs (0major+405minor)pagefaults 0swaps
0.06user 0.92system 0:02.33elapsed 42%CPU (0avgtext+0avgdata 410752maxresident)k
2736inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.07user 0.94system 0:02.11elapsed 48%CPU (0avgtext+0avgdata 410752maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.07user 0.93system 0:02.65elapsed 38%CPU (0avgtext+0avgdata 410736maxresident)k
2560inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.05user 0.95system 0:02.68elapsed 37%CPU (0avgtext+0avgdata 410752maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.00user 0.12system 0:07.12elapsed 1%CPU (0avgtext+0avgdata 1776maxresident)k
32inputs+128000outputs (0major+145minor)pagefaults 0swaps
4.12user 2.82system 0:17.15elapsed 40%CPU (0avgtext+0avgdata 410704maxresident)k
322392inputs+409600outputs (1major+25798minor)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 2.25system 2:25.62elapsed 1%CPU (0avgtext+0avgdata 7200maxresident)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...
1.65user 19.22system 1:10.14elapsed 29%CPU (0avgtext+0avgdata 132976maxresident)k
24inputs+5242968outputs (0major+164455minor)pagefaults 0swaps
0.00user 0.65system 0:02.35elapsed 27%CPU (0avgtext+0avgdata 1632maxresident)k
32inputs+192000outputs (0major+126minor)pagefaults 0swaps
read_checkzero done
1.17user 9.92system 0:11.13elapsed 99%CPU (0avgtext+0avgdata 1328maxresident)k
16inputs+8outputs (0major+107minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 2%CPU (0avgtext+0avgdata 3616maxresident)k
32inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.32elapsed 1%CPU (0avgtext+0avgdata 3600maxresident)k
0inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.36elapsed 1%CPU (0avgtext+0avgdata 3616maxresident)k
789inputs+792outputs (0major+253minor)pagefaults 0swaps