trying 2000 iterations
read thread 1082435904 start
write thread 1090828608 start
write thread 1090828608 stop
read thread 1082435904 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.14system 0:12.18elapsed 1%CPU (0avgtext+0avgdata 2976maxresident)k
88inputs+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 0:00.07elapsed 1%CPU (0avgtext+0avgdata 1552maxresident)k
56inputs+56outputs (0major+125minor)pagefaults 0swaps
0.00user 0.14system 0:07.02elapsed 2%CPU (0avgtext+0avgdata 5904maxresident)k
32inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.07user 0.93system 0:02.73elapsed 37%CPU (0avgtext+0avgdata 410752maxresident)k
2720inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.10user 1.18system 0:02.49elapsed 51%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.07user 0.97system 0:02.53elapsed 41%CPU (0avgtext+0avgdata 410736maxresident)k
2560inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.07user 0.98system 0:02.55elapsed 41%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.00user 0.12system 0:07.24elapsed 1%CPU (0avgtext+0avgdata 1776maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
4.40user 2.89system 0:18.16elapsed 40%CPU (0avgtext+0avgdata 410720maxresident)k
333184inputs+409600outputs (1major+25797minor)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 2.04system 2:24.47elapsed 1%CPU (0avgtext+0avgdata 7200maxresident)k
24inputs+2560008outputs (0major+485minor)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...
1.47user 20.10system 1:13.49elapsed 29%CPU (0avgtext+0avgdata 132976maxresident)k
24inputs+5242968outputs (0major+164455minor)pagefaults 0swaps
0.00user 0.70system 0:02.34elapsed 29%CPU (0avgtext+0avgdata 1632maxresident)k
16inputs+192000outputs (0major+126minor)pagefaults 0swaps
read_checkzero done
1.59user 7.87system 0:09.51elapsed 99%CPU (0avgtext+0avgdata 1312maxresident)k
16inputs+8outputs (0major+106minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 17%CPU (0avgtext+0avgdata 3616maxresident)k
32inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.27elapsed 2%CPU (0avgtext+0avgdata 3616maxresident)k
0inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 1%CPU (0avgtext+0avgdata 3616maxresident)k
789inputs+792outputs (0major+253minor)pagefaults 0swaps