trying 2000 iterations
read thread 1111644480 start
write thread 1092794688 start
write thread 1092794688 stop
read thread 1111644480 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.06system 0:12.36elapsed 0%CPU (0avgtext+0avgdata 2944maxresident)k
64inputs+7008outputs (0major+215minor)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 0:00.10elapsed 0%CPU (0avgtext+0avgdata 1456maxresident)k
56inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.04system 0:07.72elapsed 0%CPU (0avgtext+0avgdata 5824maxresident)k
32inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.04user 0.49system 0:03.03elapsed 17%CPU (0avgtext+0avgdata 411056maxresident)k
2728inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.05user 0.43system 0:03.11elapsed 15%CPU (0avgtext+0avgdata 411072maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.04user 0.48system 0:03.41elapsed 15%CPU (0avgtext+0avgdata 411072maxresident)k
2560inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.03user 0.53system 0:03.07elapsed 18%CPU (0avgtext+0avgdata 411072maxresident)k
0inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.00user 0.03system 0:07.76elapsed 0%CPU (0avgtext+0avgdata 1696maxresident)k
24inputs+128000outputs (0major+136minor)pagefaults 0swaps
1.08user 1.12system 0:21.86elapsed 10%CPU (0avgtext+0avgdata 411056maxresident)k
354048inputs+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 0.96system 2:33.98elapsed 0%CPU (0avgtext+0avgdata 7104maxresident)k
24inputs+2560008outputs (0major+475minor)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 10.07system 1:35.73elapsed 11%CPU (0avgtext+0avgdata 132848maxresident)k
24inputs+5242968outputs (0major+164433minor)pagefaults 0swaps
0.00user 0.45system 0:03.22elapsed 14%CPU (0avgtext+0avgdata 1504maxresident)k
16inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
1.16user 10.26system 0:12.25elapsed 93%CPU (0avgtext+0avgdata 1216maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 2%CPU (0avgtext+0avgdata 3504maxresident)k
32inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 0%CPU (0avgtext+0avgdata 3504maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 0%CPU (0avgtext+0avgdata 3504maxresident)k
789inputs+792outputs (0major+240minor)pagefaults 0swaps