trying 2000 iterations
read thread 1106774336 start
write thread 1115167040 start
write thread 1115167040 stop
read thread 1106774336 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
64inputs+7008outputs (0major+236minor)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 4%CPU (0avgtext+0avgdata 0maxresident)k
56inputs+56outputs (0major+125minor)pagefaults 0swaps
0.00user 0.11system 0:07.00elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.11user 1.38system 0:02.33elapsed 63%CPU (0avgtext+0avgdata 0maxresident)k
2728inputs+207360outputs (1599major+24417minor)pagefaults 0swaps
0.12user 1.43system 0:02.10elapsed 74%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24418minor)pagefaults 0swaps
0.11user 1.43system 0:02.41elapsed 64%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24418minor)pagefaults 0swaps
0.13user 1.41system 0:02.14elapsed 72%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24418minor)pagefaults 0swaps
0.00user 0.10system 0:07.09elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
3.32user 3.24system 0:15.86elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
325632inputs+409600outputs (1599major+24197minor)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 1.67system 2:21.84elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+2560008outputs (0major+483minor)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...
2.21user 28.45system 0:59.62elapsed 51%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164457minor)pagefaults 0swaps
0.00user 1.29system 0:02.49elapsed 52%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+126minor)pagefaults 0swaps
read_checkzero done
1.40user 10.25system 0:11.71elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+107minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.13elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+252minor)pagefaults 0swaps