trying 2000 iterations
read thread 1095649600 start
write thread 1104042304 start
write thread 1104042304 stop
read thread 1095649600 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.01user 0.06system 0:13.11elapsed 0%CPU (0avgtext+0avgdata 2928maxresident)k
72inputs+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 2%CPU (0avgtext+0avgdata 1456maxresident)k
64inputs+40outputs (0major+112minor)pagefaults 0swaps
0.00user 0.03system 0:07.16elapsed 0%CPU (0avgtext+0avgdata 5808maxresident)k
32inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.04user 0.38system 0:03.27elapsed 13%CPU (0avgtext+0avgdata 411072maxresident)k
5016inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.05user 0.54system 0:02.14elapsed 27%CPU (0avgtext+0avgdata 411072maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.04user 0.46system 0:02.47elapsed 20%CPU (0avgtext+0avgdata 411056maxresident)k
2560inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.03user 0.50system 0:02.15elapsed 25%CPU (0avgtext+0avgdata 411072maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.00user 0.04system 0:07.18elapsed 0%CPU (0avgtext+0avgdata 1680maxresident)k
24inputs+128000outputs (0major+135minor)pagefaults 0swaps
1.05user 1.05system 0:16.20elapsed 12%CPU (0avgtext+0avgdata 411040maxresident)k
284672inputs+409600outputs (1major+25785minor)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 0.90system 2:23.83elapsed 0%CPU (0avgtext+0avgdata 7088maxresident)k
24inputs+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...
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...
1.04user 10.34system 1:05.78elapsed 17%CPU (0avgtext+0avgdata 132848maxresident)k
24inputs+5242968outputs (0major+164433minor)pagefaults 0swaps
0.00user 0.42system 0:02.21elapsed 19%CPU (0avgtext+0avgdata 1504maxresident)k
16inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
1.65user 8.44system 0:10.42elapsed 96%CPU (0avgtext+0avgdata 1216maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 9%CPU (0avgtext+0avgdata 3488maxresident)k
32inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 0%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