trying 2000 iterations
read thread 1104914752 start
write thread 1113307456 start
write thread 1113307456 stop
read thread 1104914752 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.04system 0:12.72elapsed 0%CPU (0avgtext+0avgdata 2928maxresident)k
80inputs+7008outputs (0major+213minor)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 0:00.35elapsed 0%CPU (0avgtext+0avgdata 1456maxresident)k
56inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.03system 0:07.07elapsed 0%CPU (0avgtext+0avgdata 5824maxresident)k
24inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.04user 0.40system 0:02.78elapsed 16%CPU (0avgtext+0avgdata 411088maxresident)k
2752inputs+207360outputs (1major+26004minor)pagefaults 0swaps
0.04user 0.38system 0:02.00elapsed 21%CPU (0avgtext+0avgdata 411056maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.04user 0.40system 0:02.32elapsed 19%CPU (0avgtext+0avgdata 411056maxresident)k
2560inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.03user 0.39system 0:01.99elapsed 21%CPU (0avgtext+0avgdata 411072maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.00user 0.03system 0:07.27elapsed 0%CPU (0avgtext+0avgdata 1696maxresident)k
24inputs+128000outputs (0major+137minor)pagefaults 0swaps
1.05user 1.00system 0:17.19elapsed 11%CPU (0avgtext+0avgdata 411056maxresident)k
285168inputs+409600outputs (1major+25784minor)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 0.78system 2:27.51elapsed 0%CPU (0avgtext+0avgdata 7104maxresident)k
24inputs+2560016outputs (0major+474minor)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...
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Pass 4...
Pass 5...
Pass 6...
Pass 7...
Pass 8...
Pass 9...
Pass 10...
1.11user 9.58system 1:08.43elapsed 15%CPU (0avgtext+0avgdata 132864maxresident)k
24inputs+5242968outputs (0major+164414minor)pagefaults 0swaps
0.00user 0.37system 0:02.26elapsed 16%CPU (0avgtext+0avgdata 1488maxresident)k
16inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.29user 7.95system 0:09.55elapsed 96%CPU (0avgtext+0avgdata 1216maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 7%CPU (0avgtext+0avgdata 3504maxresident)k
32inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.16elapsed 1%CPU (0avgtext+0avgdata 3488maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.23elapsed 0%CPU (0avgtext+0avgdata 3504maxresident)k
789inputs+792outputs (0major+240minor)pagefaults 0swaps