trying 2000 iterations
read thread 1093593408 start
write thread 1101986112 start
write thread 1101986112 stop
read thread 1093593408 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.01user 0.10system 0:12.18elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+7008outputs (0major+215minor)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 0:00.08elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.08system 0:06.98elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.10user 1.02system 0:03.31elapsed 33%CPU (0avgtext+0avgdata 0maxresident)k
2704inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.11user 0.93system 0:02.78elapsed 37%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.13user 0.98system 0:03.37elapsed 33%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.10user 1.00system 0:02.59elapsed 42%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.00user 0.09system 0:07.71elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+137minor)pagefaults 0swaps
4.30user 2.74system 0:17.67elapsed 39%CPU (0avgtext+0avgdata 0maxresident)k
330720inputs+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 1.27system 2:31.07elapsed 0%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...
2.32user 20.20system 1:06.77elapsed 33%CPU (0avgtext+0avgdata 0maxresident)k
393224inputs+5242968outputs (0major+164413minor)pagefaults 0swaps
0.00user 0.87system 0:02.87elapsed 30%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.00user 10.84system 0:11.87elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+95minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+784outputs (0major+240minor)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 0:00.17elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps