trying 2000 iterations
read thread 1110657344 start
write thread 1119050048 start
write thread 1119050048 stop
read thread 1110657344 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.10system 0:12.34elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+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 0:00.06elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+56outputs (0major+114minor)pagefaults 0swaps
0.00user 0.10system 0:07.01elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.10user 0.94system 0:02.93elapsed 35%CPU (0avgtext+0avgdata 0maxresident)k
2944inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.09user 0.94system 0:02.04elapsed 50%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.09user 1.06system 0:02.28elapsed 50%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (49major+25956minor)pagefaults 0swaps
0.10user 1.02system 0:02.05elapsed 54%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25956minor)pagefaults 0swaps
0.00user 0.06system 0:07.25elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+137minor)pagefaults 0swaps
1.19user 1.89system 0:17.65elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
281952inputs+409600outputs (49major+25735minor)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
0.01user 1.37system 2:42.12elapsed 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...
2.25user 21.35system 1:04.67elapsed 36%CPU (0avgtext+0avgdata 0maxresident)k
196608inputs+5242968outputs (0major+164413minor)pagefaults 0swaps
0.00user 0.88system 0:02.19elapsed 40%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
1.20user 8.84system 0:10.06elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 200%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.10elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+240minor)pagefaults 0swaps