trying 2000 iterations
read thread 1093425472 start
write thread 1101818176 start
write thread 1101818176 stop
read thread 1093425472 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.14system 0:12.16elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
64inputs+7008outputs (0major+235minor)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 0.10system 0:06.99elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.11user 1.17system 0:02.58elapsed 49%CPU (0avgtext+0avgdata 0maxresident)k
2720inputs+207360outputs (1599major+24417minor)pagefaults 0swaps
0.11user 1.47system 0:02.20elapsed 71%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24418minor)pagefaults 0swaps
0.12user 1.44system 0:02.50elapsed 62%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24418minor)pagefaults 0swaps
0.11user 1.47system 0:02.20elapsed 72%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24418minor)pagefaults 0swaps
0.00user 0.10system 0:07.17elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+144minor)pagefaults 0swaps
3.31user 3.15system 0:16.17elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k
329856inputs+409600outputs (1599major+24200minor)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 1.65system 2:24.10elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+2560008outputs (0major+484minor)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...
2.33user 29.35system 1:14.91elapsed 42%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164476minor)pagefaults 0swaps
0.00user 1.33system 0:02.50elapsed 53%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+125minor)pagefaults 0swaps
read_checkzero done
1.22user 9.16system 0:10.86elapsed 95%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+105minor)pagefaults 0swaps
0.00user 0.00system 0:00.01elapsed 33%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+251minor)pagefaults 0swaps
0.00user 0.00system 0:00.12elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+252minor)pagefaults 0swaps