trying 2000 iterations
read thread 1115515200 start
write thread 1123907904 start
write thread 1123907904 stop
read thread 1115515200 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.16system 0:12.13elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
104inputs+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 0:00.10elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
80inputs+56outputs (0major+114minor)pagefaults 0swaps
0.00user 0.09system 0:06.93elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
40inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.10user 1.07system 0:02.14elapsed 54%CPU (0avgtext+0avgdata 0maxresident)k
2728inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.11user 1.02system 0:01.89elapsed 59%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.10user 1.10system 0:02.37elapsed 51%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.13user 1.03system 0:01.90elapsed 61%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.00user 0.08system 0:06.93elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+128000outputs (0major+136minor)pagefaults 0swaps
0.67user 1.78system 0:14.06elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
128088inputs+409600outputs (1599major+24186minor)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 1.22system 2:19.14elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+2560008outputs (0major+473minor)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...
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Pass 4...
Pass 5...
Pass 6...
Pass 7...
Pass 8...
Pass 9...
Pass 10...
2.31user 21.04system 0:50.15elapsed 46%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164412minor)pagefaults 0swaps
0.00user 0.85system 0:02.04elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
0.98user 12.37system 0:13.40elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+8outputs (0major+95minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
40inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.18elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.10elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+240minor)pagefaults 0swaps