trying 2000 iterations
read thread 1095493952 start
write thread 1103886656 start
write thread 1103886656 stop
read thread 1095493952 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.15system 0:12.17elapsed 1%CPU (0avgtext+0avgdata 2976maxresident)k
72inputs+7008outputs (0major+237minor)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 1568maxresident)k
72inputs+40outputs (0major+125minor)pagefaults 0swaps
0.00user 0.10system 0:07.29elapsed 1%CPU (0avgtext+0avgdata 5904maxresident)k
48inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.11user 1.01system 0:03.12elapsed 35%CPU (0avgtext+0avgdata 410736maxresident)k
2776inputs+207360outputs (1major+26015minor)pagefaults 0swaps
0.07user 0.84system 0:02.53elapsed 36%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.12user 1.04system 0:03.06elapsed 38%CPU (0avgtext+0avgdata 410736maxresident)k
2560inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.11user 0.97system 0:02.77elapsed 39%CPU (0avgtext+0avgdata 410752maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.00user 0.08system 0:07.30elapsed 1%CPU (0avgtext+0avgdata 1776maxresident)k
40inputs+128000outputs (0major+145minor)pagefaults 0swaps
2.97user 2.49system 0:17.86elapsed 30%CPU (0avgtext+0avgdata 410720maxresident)k
317536inputs+409600outputs (1major+25796minor)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 1.92system 2:26.49elapsed 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...
2.23user 22.37system 1:21.35elapsed 30%CPU (0avgtext+0avgdata 132992maxresident)k
40inputs+5242968outputs (0major+164465minor)pagefaults 0swaps
0.00user 0.76system 0:02.78elapsed 27%CPU (0avgtext+0avgdata 1632maxresident)k
24inputs+192000outputs (0major+126minor)pagefaults 0swaps
read_checkzero done
1.39user 8.91system 0:10.39elapsed 99%CPU (0avgtext+0avgdata 1312maxresident)k
16inputs+8outputs (0major+106minor)pagefaults 0swaps
0.00user 0.00system 0:00.05elapsed 10%CPU (0avgtext+0avgdata 3600maxresident)k
32inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.23elapsed 2%CPU (0avgtext+0avgdata 3600maxresident)k
0inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.26elapsed 1%CPU (0avgtext+0avgdata 3616maxresident)k
789inputs+792outputs (0major+253minor)pagefaults 0swaps