trying 2000 iterations
write thread 1096411456 start
read thread 1088018752 start
read thread 1088018752 stop
write thread 1096411456 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.04system 0:12.15elapsed 0%CPU (0avgtext+0avgdata 2928maxresident)k
88inputs+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 0:00.08elapsed 0%CPU (0avgtext+0avgdata 1440maxresident)k
56inputs+56outputs (0major+112minor)pagefaults 0swaps
0.00user 0.03system 0:07.38elapsed 0%CPU (0avgtext+0avgdata 5808maxresident)k
32inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.03user 0.52system 0:02.17elapsed 25%CPU (0avgtext+0avgdata 411072maxresident)k
2728inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.04user 0.51system 0:02.33elapsed 23%CPU (0avgtext+0avgdata 411056maxresident)k
0inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.04user 0.50system 0:02.53elapsed 21%CPU (0avgtext+0avgdata 411088maxresident)k
2560inputs+207360outputs (1major+26004minor)pagefaults 0swaps
0.04user 0.48system 0:02.20elapsed 23%CPU (0avgtext+0avgdata 411056maxresident)k
0inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.00user 0.03system 0:07.17elapsed 0%CPU (0avgtext+0avgdata 1680maxresident)k
24inputs+128000outputs (0major+135minor)pagefaults 0swaps
1.71user 1.33system 0:15.61elapsed 19%CPU (0avgtext+0avgdata 411040maxresident)k
241088inputs+409600outputs (1major+25783minor)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 0.91system 2:26.52elapsed 0%CPU (0avgtext+0avgdata 7088maxresident)k
248inputs+2560008outputs (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...
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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...
1.02user 10.44system 1:02.38elapsed 18%CPU (0avgtext+0avgdata 132848maxresident)k
24inputs+5242968outputs (0major+164422minor)pagefaults 0swaps
0.00user 0.46system 0:02.33elapsed 20%CPU (0avgtext+0avgdata 1488maxresident)k
16inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.59user 8.12system 0:09.75elapsed 99%CPU (0avgtext+0avgdata 1216maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 8%CPU (0avgtext+0avgdata 3504maxresident)k
32inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 1%CPU (0avgtext+0avgdata 3504maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 0%CPU (0avgtext+0avgdata 3488maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps