trying 2000 iterations
read thread 1082132800 start
write thread 1090525504 start
read thread 1082132800 stop
write thread 1090525504 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.07system 0:12.12elapsed 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 5%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+56outputs (0major+114minor)pagefaults 0swaps
0.00user 0.08system 0:07.68elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.12user 0.92system 0:02.79elapsed 37%CPU (0avgtext+0avgdata 0maxresident)k
2944inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.11user 0.95system 0:02.88elapsed 37%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.10user 0.95system 0:03.14elapsed 33%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.08user 1.03system 0:02.71elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.00user 0.10system 0:07.63elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+135minor)pagefaults 0swaps
1.12user 1.86system 0:17.12elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
294976inputs+409600outputs (49major+25733minor)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 1.16system 2:29.82elapsed 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...
2.56user 19.18system 1:12.73elapsed 29%CPU (0avgtext+0avgdata 0maxresident)k
589824inputs+5242968outputs (0major+164422minor)pagefaults 0swaps
0.00user 0.85system 0:02.98elapsed 28%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+112minor)pagefaults 0swaps
read_checkzero done
0.57user 9.66system 0:10.26elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+94minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.15elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps