trying 2000 iterations
read thread 1097005376 start
write thread 1105398080 start
write thread 1105398080 stop
read thread 1097005376 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.01user 0.06system 0:14.29elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+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 0:00.14elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+56outputs (0major+112minor)pagefaults 0swaps
0.00user 0.04system 0:07.16elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+394minor)pagefaults 0swaps
0.05user 0.55system 0:02.53elapsed 23%CPU (0avgtext+0avgdata 0maxresident)k
2688inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.04user 0.57system 0:02.26elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.05user 0.56system 0:02.66elapsed 23%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24403minor)pagefaults 0swaps
0.04user 0.56system 0:02.25elapsed 26%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.00user 0.03system 0:07.11elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+136minor)pagefaults 0swaps
0.95user 1.19system 0:16.25elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
311904inputs+409600outputs (1599major+24185minor)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 0.91system 2:27.36elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+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...
Pass 3...
Pass 4...
Pass 5...
Pass 6...
Pass 7...
Pass 8...
Pass 9...
Pass 10...
1.08user 11.37system 1:07.61elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+5242968outputs (0major+164433minor)pagefaults 0swaps
0.00user 0.50system 0:02.25elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
1.15user 8.34system 0:09.67elapsed 98%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+95minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 66%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.18elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.15elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps