trying 2000 iterations
read thread 1092319552 start
write thread 1100712256 start
write thread 1100712256 stop
read thread 1092319552 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.16system 0:12.17elapsed 1%CPU (0avgtext+0avgdata 2976maxresident)k
88inputs+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 0:00.08elapsed 1%CPU (0avgtext+0avgdata 1568maxresident)k
56inputs+56outputs (0major+126minor)pagefaults 0swaps
0.00user 0.09system 0:07.21elapsed 1%CPU (0avgtext+0avgdata 5904maxresident)k
24inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.07user 0.93system 0:03.06elapsed 32%CPU (0avgtext+0avgdata 410752maxresident)k
2720inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.07user 1.00system 0:03.16elapsed 34%CPU (0avgtext+0avgdata 410736maxresident)k
8inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.11user 1.15system 0:03.72elapsed 34%CPU (0avgtext+0avgdata 410736maxresident)k
2560inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.04user 0.96system 0:03.21elapsed 31%CPU (0avgtext+0avgdata 410768maxresident)k
0inputs+207360outputs (1major+26018minor)pagefaults 0swaps
0.00user 0.08system 0:07.21elapsed 1%CPU (0avgtext+0avgdata 1776maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
2.53user 2.27system 0:18.62elapsed 25%CPU (0avgtext+0avgdata 410720maxresident)k
327496inputs+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 1.61system 2:27.35elapsed 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...
1.51user 19.96system 1:25.36elapsed 25%CPU (0avgtext+0avgdata 132992maxresident)k
24inputs+5242968outputs (0major+164476minor)pagefaults 0swaps
0.00user 0.64system 0:03.06elapsed 20%CPU (0avgtext+0avgdata 1632maxresident)k
16inputs+192000outputs (0major+126minor)pagefaults 0swaps
read_checkzero done
1.24user 8.95system 0:10.23elapsed 99%CPU (0avgtext+0avgdata 1328maxresident)k
16inputs+8outputs (0major+107minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 10%CPU (0avgtext+0avgdata 3600maxresident)k
32inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.25elapsed 2%CPU (0avgtext+0avgdata 3600maxresident)k
0inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 1%CPU (0avgtext+0avgdata 3616maxresident)k
789inputs+792outputs (0major+253minor)pagefaults 0swaps