trying 2000 iterations
read thread 1104996672 start
write thread 1092766016 start
write thread 1092766016 stop
read thread 1104996672 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.16system 0:12.18elapsed 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 0:00.10elapsed 0%CPU (0avgtext+0avgdata 1568maxresident)k
56inputs+40outputs (0major+125minor)pagefaults 0swaps
0.00user 0.10system 0:07.07elapsed 1%CPU (0avgtext+0avgdata 5888maxresident)k
24inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.12user 1.03system 0:02.88elapsed 40%CPU (0avgtext+0avgdata 410736maxresident)k
2728inputs+207360outputs (1major+26015minor)pagefaults 0swaps
0.10user 1.01system 0:02.16elapsed 52%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.10user 0.96system 0:02.34elapsed 45%CPU (0avgtext+0avgdata 410752maxresident)k
2560inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.10user 0.97system 0:02.15elapsed 49%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.00user 0.08system 0:07.19elapsed 1%CPU (0avgtext+0avgdata 1760maxresident)k
32inputs+128000outputs (0major+144minor)pagefaults 0swaps
4.55user 2.89system 0:17.56elapsed 42%CPU (0avgtext+0avgdata 410704maxresident)k
318480inputs+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
0.01user 1.78system 2:31.04elapsed 1%CPU (0avgtext+0avgdata 7200maxresident)k
24inputs+2560008outputs (0major+486minor)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...
1.48user 18.90system 1:24.06elapsed 24%CPU (0avgtext+0avgdata 132992maxresident)k
24inputs+5242968outputs (0major+164465minor)pagefaults 0swaps
0.00user 0.79system 0:02.27elapsed 35%CPU (0avgtext+0avgdata 1616maxresident)k
16inputs+192000outputs (0major+125minor)pagefaults 0swaps
read_checkzero done
1.65user 10.08system 0:12.92elapsed 90%CPU (0avgtext+0avgdata 1328maxresident)k
16inputs+8outputs (0major+107minor)pagefaults 0swaps
0.00user 0.00system 0:00.04elapsed 13%CPU (0avgtext+0avgdata 3600maxresident)k
32inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 3%CPU (0avgtext+0avgdata 3600maxresident)k
0inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.25elapsed 1%CPU (0avgtext+0avgdata 3600maxresident)k
789inputs+792outputs (0major+252minor)pagefaults 0swaps