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
0.01user 0.08system 0:12.73elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
48inputs+7008outputs (1major+213minor)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+114minor)pagefaults 0swaps
0.00user 0.08system 0:06.96elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.08user 1.08system 0:02.17elapsed 54%CPU (0avgtext+0avgdata 0maxresident)k
2952inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.08user 0.97system 0:01.96elapsed 53%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25955minor)pagefaults 0swaps
0.10user 1.16system 0:02.27elapsed 55%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.09user 1.18system 0:02.17elapsed 58%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.00user 0.08system 0:06.97elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+128000outputs (0major+134minor)pagefaults 0swaps
1.11user 1.84system 0:14.68elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
218944inputs+409600outputs (49major+25734minor)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 1.52system 2:20.49elapsed 1%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...
2.38user 20.50system 1:02.83elapsed 36%CPU (0avgtext+0avgdata 0maxresident)k
196608inputs+5242968outputs (0major+164422minor)pagefaults 0swaps
0.00user 1.03system 0:02.26elapsed 45%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+192000outputs (0major+112minor)pagefaults 0swaps
read_checkzero done
1.64user 7.97system 0:10.03elapsed 95%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+95minor)pagefaults 0swaps
0.00user 0.00system 0:00.00elapsed 66%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.01system 0:00.19elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.10elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+240minor)pagefaults 0swaps