trying 2000 iterations
read thread 1095424320 start
write thread 1103817024 start
write thread 1103817024 stop
read thread 1095424320 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.15system 0:12.16elapsed 1%CPU (0avgtext+0avgdata 3168maxresident)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 0:00.08elapsed 1%CPU (0avgtext+0avgdata 1568maxresident)k
56inputs+56outputs (0major+126minor)pagefaults 0swaps
0.00user 0.09system 0:07.06elapsed 1%CPU (0avgtext+0avgdata 5904maxresident)k
40inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.06user 0.99system 0:02.86elapsed 37%CPU (0avgtext+0avgdata 411232maxresident)k
2720inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.10user 1.12system 0:02.21elapsed 55%CPU (0avgtext+0avgdata 411248maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.07user 0.96system 0:02.53elapsed 40%CPU (0avgtext+0avgdata 411232maxresident)k
2560inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.07user 0.93system 0:02.10elapsed 48%CPU (0avgtext+0avgdata 411232maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.00user 0.09system 0:07.12elapsed 1%CPU (0avgtext+0avgdata 1760maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
3.47user 2.69system 0:17.12elapsed 36%CPU (0avgtext+0avgdata 411216maxresident)k
327592inputs+409600outputs (1major+25799minor)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 1.58system 2:21.93elapsed 1%CPU (0avgtext+0avgdata 7184maxresident)k
24inputs+2560008outputs (0major+483minor)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...
1.56user 20.22system 1:13.72elapsed 29%CPU (0avgtext+0avgdata 132992maxresident)k
32inputs+5242968outputs (0major+164465minor)pagefaults 0swaps
0.00user 0.65system 0:02.25elapsed 29%CPU (0avgtext+0avgdata 1632maxresident)k
24inputs+192000outputs (0major+126minor)pagefaults 0swaps
read_checkzero done
1.14user 9.14system 0:10.33elapsed 99%CPU (0avgtext+0avgdata 1312maxresident)k
16inputs+8outputs (0major+106minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 5%CPU (0avgtext+0avgdata 3616maxresident)k
32inputs+784outputs (0major+253minor)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 0:00.24elapsed 1%CPU (0avgtext+0avgdata 3616maxresident)k
789inputs+792outputs (0major+253minor)pagefaults 0swaps