trying 2000 iterations
read thread 1082501440 start
write thread 1107323200 start
write thread 1107323200 stop
read thread 1082501440 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.05system 0:12.16elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
72inputs+7008outputs (0major+213minor)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 0:00.08elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
72inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.05system 0:07.12elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+394minor)pagefaults 0swaps
0.05user 0.48system 0:02.91elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
2720inputs+207360outputs (1major+26001minor)pagefaults 0swaps
0.04user 0.49system 0:02.24elapsed 23%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.03user 0.51system 0:02.61elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.03user 0.46system 0:02.31elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.00user 0.04system 0:07.43elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+136minor)pagefaults 0swaps
0.68user 0.96system 0:17.26elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k
328328inputs+409600outputs (1major+25783minor)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 0.94system 2:27.97elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+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...
1.11user 11.01system 1:08.03elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164414minor)pagefaults 0swaps
0.00user 0.46system 0:02.32elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
1.38user 10.52system 0:11.94elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.06elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k
64inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.30elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
224inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.23elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
829inputs+792outputs (0major+238minor)pagefaults 0swaps