trying 2000 iterations
read thread 1114556736 start
write thread 1099422016 start
write thread 1099422016 stop
read thread 1114556736 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.14system 0:12.59elapsed 1%CPU (0avgtext+0avgdata 3184maxresident)k
88inputs+7008outputs (0major+235minor)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 0:00.19elapsed 0%CPU (0avgtext+0avgdata 1568maxresident)k
56inputs+56outputs (0major+126minor)pagefaults 0swaps
0.00user 0.10system 0:07.22elapsed 1%CPU (0avgtext+0avgdata 5904maxresident)k
32inputs+128000outputs (0major+407minor)pagefaults 0swaps
0.08user 1.05system 0:02.99elapsed 38%CPU (0avgtext+0avgdata 411216maxresident)k
2744inputs+207360outputs (1major+26015minor)pagefaults 0swaps
0.07user 0.93system 0:02.37elapsed 42%CPU (0avgtext+0avgdata 411232maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.10user 1.00system 0:03.04elapsed 36%CPU (0avgtext+0avgdata 411248maxresident)k
2560inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.06user 0.91system 0:02.36elapsed 41%CPU (0avgtext+0avgdata 411248maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.00user 0.10system 0:07.31elapsed 1%CPU (0avgtext+0avgdata 1760maxresident)k
24inputs+128000outputs (0major+144minor)pagefaults 0swaps
3.82user 2.84system 0:17.99elapsed 37%CPU (0avgtext+0avgdata 411200maxresident)k
331232inputs+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
0.00user 2.03system 2:27.29elapsed 1%CPU (0avgtext+0avgdata 7216maxresident)k
24inputs+2560008outputs (0major+485minor)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...
1.47user 19.56system 1:23.98elapsed 25%CPU (0avgtext+0avgdata 132976maxresident)k
24inputs+5242968outputs (0major+164455minor)pagefaults 0swaps
0.00user 0.66system 0:02.53elapsed 26%CPU (0avgtext+0avgdata 1632maxresident)k
16inputs+192000outputs (0major+126minor)pagefaults 0swaps
read_checkzero done
1.14user 9.38system 0:11.08elapsed 94%CPU (0avgtext+0avgdata 1312maxresident)k
16inputs+8outputs (0major+107minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 21%CPU (0avgtext+0avgdata 3616maxresident)k
32inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 2%CPU (0avgtext+0avgdata 3616maxresident)k
0inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.24elapsed 0%CPU (0avgtext+0avgdata 3616maxresident)k
789inputs+792outputs (0major+253minor)pagefaults 0swaps