trying 2000 iterations
read thread 1108666688 start
write thread 1089972544 start
write thread 1089972544 stop
read thread 1108666688 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.06system 0:12.13elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
72inputs+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+112minor)pagefaults 0swaps
0.00user 0.04system 0:07.02elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.04user 0.49system 0:01.99elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k
2720inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.04user 0.50system 0:01.88elapsed 29%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1major+26001minor)pagefaults 0swaps
0.03user 0.48system 0:02.13elapsed 24%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.04user 0.50system 0:01.94elapsed 28%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.00user 0.04system 0:06.99elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+136minor)pagefaults 0swaps
0.66user 0.97system 0:15.47elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k
317696inputs+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 0.87system 2:20.91elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
152inputs+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...
0.92user 11.24system 0:56.32elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164433minor)pagefaults 0swaps
0.00user 0.44system 0:01.93elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.22user 10.00system 0:11.27elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.01elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+238minor)pagefaults 0swaps
0.00user 0.00system 0:00.25elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
805inputs+792outputs (0major+238minor)pagefaults 0swaps