trying 2000 iterations
read thread 1105230144 start
write thread 1083230528 start
write thread 1083230528 stop
read thread 1105230144 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.05system 0:12.11elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
72inputs+7008outputs (0major+215minor)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 0.03system 0:07.04elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.03user 0.48system 0:02.03elapsed 25%CPU (0avgtext+0avgdata 0maxresident)k
2728inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.05user 0.46system 0:01.76elapsed 29%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1major+26001minor)pagefaults 0swaps
0.04user 0.47system 0:02.07elapsed 25%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1major+26002minor)pagefaults 0swaps
0.05user 0.47system 0:01.77elapsed 29%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1major+26001minor)pagefaults 0swaps
0.00user 0.04system 0:06.98elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+136minor)pagefaults 0swaps
0.86user 1.01system 0:15.65elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k
322944inputs+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
0.01user 0.80system 2:19.46elapsed 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...
0.92user 10.84system 0:54.28elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+5242968outputs (0major+164433minor)pagefaults 0swaps
0.00user 0.43system 0:01.80elapsed 24%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.42user 11.02system 0:12.49elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+95minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 6%CPU (0avgtext+0avgdata 0maxresident)k
40inputs+784outputs (0major+238minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+238minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps