trying 2000 iterations
read thread 1113442624 start
write thread 1121835328 start
write thread 1121835328 stop
read thread 1113442624 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.15system 0:12.99elapsed 1%CPU (0avgtext+0avgdata 2976maxresident)k
64inputs+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 0:00.28elapsed 0%CPU (0avgtext+0avgdata 1568maxresident)k
64inputs+56outputs (0major+126minor)pagefaults 0swaps
0.00user 0.09system 0:07.09elapsed 1%CPU (0avgtext+0avgdata 5904maxresident)k
48inputs+128000outputs (0major+407minor)pagefaults 0swaps
0.08user 0.82system 0:02.53elapsed 36%CPU (0avgtext+0avgdata 410736maxresident)k
2744inputs+207360outputs (1major+26015minor)pagefaults 0swaps
0.11user 1.02system 0:02.38elapsed 47%CPU (0avgtext+0avgdata 410752maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.12user 0.97system 0:02.72elapsed 40%CPU (0avgtext+0avgdata 410736maxresident)k
2560inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.10user 1.03system 0:02.42elapsed 46%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.00user 0.08system 0:07.08elapsed 1%CPU (0avgtext+0avgdata 1776maxresident)k
32inputs+128000outputs (0major+145minor)pagefaults 0swaps
3.87user 2.77system 0:16.22elapsed 40%CPU (0avgtext+0avgdata 410720maxresident)k
286624inputs+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 1.84system 2:24.00elapsed 1%CPU (0avgtext+0avgdata 7184maxresident)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...
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Pass 5...
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Pass 7...
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Pass 10...
num_passes set to 10
Pass 1...
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Pass 4...
Pass 5...
Pass 6...
Pass 7...
Pass 8...
Pass 9...
Pass 10...
2.25user 22.82system 1:28.68elapsed 28%CPU (0avgtext+0avgdata 132976maxresident)k
24inputs+5242968outputs (0major+164475minor)pagefaults 0swaps
0.00user 0.79system 0:02.52elapsed 31%CPU (0avgtext+0avgdata 1616maxresident)k
32inputs+192000outputs (0major+125minor)pagefaults 0swaps
read_checkzero done
1.07user 9.08system 0:11.23elapsed 90%CPU (0avgtext+0avgdata 1296maxresident)k
16inputs+8outputs (0major+105minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 12%CPU (0avgtext+0avgdata 3616maxresident)k
32inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.25elapsed 2%CPU (0avgtext+0avgdata 3616maxresident)k
0inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 0%CPU (0avgtext+0avgdata 3632maxresident)k
789inputs+792outputs (0major+254minor)pagefaults 0swaps