trying 2000 iterations
read thread 1108629824 start
write thread 1082140992 start
write thread 1082140992 stop
read thread 1108629824 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.04system 0:12.19elapsed 0%CPU (0avgtext+0avgdata 2928maxresident)k
88inputs+7008outputs (0major+214minor)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 0:00.07elapsed 1%CPU (0avgtext+0avgdata 1456maxresident)k
56inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.04system 0:07.66elapsed 0%CPU (0avgtext+0avgdata 5808maxresident)k
24inputs+128000outputs (0major+394minor)pagefaults 0swaps
0.04user 0.51system 0:03.37elapsed 16%CPU (0avgtext+0avgdata 411072maxresident)k
2720inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.03user 0.46system 0:02.92elapsed 17%CPU (0avgtext+0avgdata 411056maxresident)k
0inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.04user 0.47system 0:03.23elapsed 16%CPU (0avgtext+0avgdata 411072maxresident)k
2560inputs+207360outputs (1major+26003minor)pagefaults 0swaps
0.04user 0.46system 0:02.95elapsed 17%CPU (0avgtext+0avgdata 411056maxresident)k
0inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.00user 0.03system 0:07.84elapsed 0%CPU (0avgtext+0avgdata 1696maxresident)k
24inputs+128000outputs (0major+137minor)pagefaults 0swaps
1.04user 1.08system 0:19.87elapsed 10%CPU (0avgtext+0avgdata 411056maxresident)k
332680inputs+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 0.93system 2:37.49elapsed 0%CPU (0avgtext+0avgdata 7120maxresident)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...
1.00user 10.30system 1:24.89elapsed 13%CPU (0avgtext+0avgdata 132848maxresident)k
24inputs+5242968outputs (0major+164413minor)pagefaults 0swaps
0.00user 0.42system 0:02.93elapsed 14%CPU (0avgtext+0avgdata 1504maxresident)k
16inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
1.46user 8.66system 0:10.17elapsed 99%CPU (0avgtext+0avgdata 1232maxresident)k
16inputs+8outputs (0major+97minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 7%CPU (0avgtext+0avgdata 3488maxresident)k
32inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.17elapsed 1%CPU (0avgtext+0avgdata 3504maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 0%CPU (0avgtext+0avgdata 3504maxresident)k
789inputs+792outputs (0major+240minor)pagefaults 0swaps