trying 2000 iterations
read thread 1091934528 start
write thread 1100327232 start
write thread 1100327232 stop
read thread 1091934528 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.10system 0:12.26elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+7008outputs (0major+216minor)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
32inputs+40outputs (0major+112minor)pagefaults 0swaps
0.00user 0.08system 0:06.94elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.07user 1.07system 0:03.18elapsed 35%CPU (0avgtext+0avgdata 0maxresident)k
2944inputs+207360outputs (49major+25956minor)pagefaults 0swaps
0.10user 1.09system 0:02.11elapsed 56%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.11user 1.08system 0:02.35elapsed 51%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.09user 1.02system 0:02.05elapsed 54%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.00user 0.06system 0:07.48elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+135minor)pagefaults 0swaps
1.68user 2.19system 0:18.89elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
308096inputs+409600outputs (49major+25734minor)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 1.45system 2:21.25elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+2560008outputs (0major+475minor)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...
2.22user 20.02system 1:00.70elapsed 36%CPU (0avgtext+0avgdata 0maxresident)k
196608inputs+5242968outputs (0major+164405minor)pagefaults 0swaps
0.00user 0.96system 0:02.22elapsed 43%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
1.50user 6.42system 0:07.95elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+95minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 200%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.13elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps