trying 2000 iterations
read thread 1089190208 start
write thread 1097582912 start
write thread 1097582912 stop
read thread 1089190208 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.15system 0:12.14elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
56inputs+7008outputs (0major+237minor)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+126minor)pagefaults 0swaps
0.00user 0.12system 0:06.95elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+407minor)pagefaults 0swaps
0.10user 1.09system 0:02.24elapsed 53%CPU (0avgtext+0avgdata 0maxresident)k
2720inputs+207360outputs (1major+26015minor)pagefaults 0swaps
0.07user 1.19system 0:02.06elapsed 61%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.10user 1.15system 0:02.35elapsed 53%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.08user 1.11system 0:02.07elapsed 57%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.00user 0.09system 0:07.01elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+146minor)pagefaults 0swaps
2.69user 2.64system 0:15.65elapsed 34%CPU (0avgtext+0avgdata 0maxresident)k
313208inputs+409600outputs (1major+25798minor)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 1.74system 2:24.27elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+2560008outputs (0major+486minor)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...
1.38user 20.63system 1:11.26elapsed 30%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164456minor)pagefaults 0swaps
0.00user 0.76system 0:02.14elapsed 35%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+125minor)pagefaults 0swaps
read_checkzero done
1.32user 12.03system 0:13.48elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+107minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.19elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.18elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+252minor)pagefaults 0swaps