trying 2000 iterations
read thread 1104775488 start
write thread 1113168192 start
write thread 1113168192 stop
read thread 1104775488 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.11system 0:12.18elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
80inputs+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 0%CPU (0avgtext+0avgdata 0maxresident)k
56inputs+56outputs (0major+114minor)pagefaults 0swaps
0.00user 0.10system 0:07.59elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.10user 1.08system 0:02.63elapsed 45%CPU (0avgtext+0avgdata 0maxresident)k
2720inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.08user 1.03system 0:02.62elapsed 42%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.07user 1.09system 0:03.01elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.10user 1.11system 0:02.71elapsed 45%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.00user 0.12system 0:07.54elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+137minor)pagefaults 0swaps
2.28user 2.22system 0:16.91elapsed 26%CPU (0avgtext+0avgdata 0maxresident)k
323672inputs+409600outputs (1599major+24184minor)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 1.24system 2:30.82elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+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...
Pass 3...
Pass 4...
Pass 5...
Pass 6...
Pass 7...
Pass 8...
Pass 9...
Pass 10...
2.12user 20.81system 1:06.18elapsed 34%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164403minor)pagefaults 0swaps
0.00user 0.91system 0:02.87elapsed 31%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
0.80user 9.32system 0:10.80elapsed 93%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+8outputs (0major+97minor)pagefaults 0swaps
0.00user 0.00system 0:00.04elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.25elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.11elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps