trying 2000 iterations
read thread 1104685376 start
write thread 1113078080 start
write thread 1113078080 stop
read thread 1104685376 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.06system 0:12.13elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+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 0:00.07elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+56outputs (0major+113minor)pagefaults 0swaps
0.00user 0.04system 0:07.05elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.06user 0.51system 0:02.21elapsed 26%CPU (0avgtext+0avgdata 0maxresident)k
2688inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.05user 0.53system 0:01.97elapsed 29%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24403minor)pagefaults 0swaps
0.05user 0.51system 0:02.18elapsed 25%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.04user 0.54system 0:01.93elapsed 30%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.00user 0.03system 0:07.16elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+135minor)pagefaults 0swaps
0.88user 1.10system 0:15.59elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k
327008inputs+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 0.82system 2:23.70elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+2560008outputs (0major+474minor)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...
1.01user 10.70system 0:52.08elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+5242968outputs (0major+164433minor)pagefaults 0swaps
0.00user 0.44system 0:01.75elapsed 25%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
1.29user 9.19system 0:10.52elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+97minor)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 0:00.16elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.11elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+238minor)pagefaults 0swaps