trying 2000 iterations
read thread 1112316224 start
write thread 1120708928 start
write thread 1120708928 stop
read thread 1112316224 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.14system 0:15.07elapsed 0%CPU (0avgtext+0avgdata 3168maxresident)k
56inputs+7008outputs (0major+237minor)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 0:00.20elapsed 0%CPU (0avgtext+0avgdata 1568maxresident)k
56inputs+56outputs (0major+126minor)pagefaults 0swaps
0.00user 0.10system 0:07.05elapsed 1%CPU (0avgtext+0avgdata 5888maxresident)k
24inputs+128000outputs (0major+405minor)pagefaults 0swaps
0.06user 0.90system 0:02.22elapsed 43%CPU (0avgtext+0avgdata 411216maxresident)k
2720inputs+207360outputs (1major+26015minor)pagefaults 0swaps
0.06user 0.89system 0:02.16elapsed 44%CPU (0avgtext+0avgdata 411232maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.07user 0.90system 0:02.45elapsed 39%CPU (0avgtext+0avgdata 411232maxresident)k
2560inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.08user 0.94system 0:02.04elapsed 50%CPU (0avgtext+0avgdata 411248maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.00user 0.09system 0:07.08elapsed 1%CPU (0avgtext+0avgdata 1760maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
3.71user 2.77system 0:16.00elapsed 40%CPU (0avgtext+0avgdata 411216maxresident)k
309776inputs+409600outputs (1major+25797minor)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 1.97system 2:23.24elapsed 1%CPU (0avgtext+0avgdata 7200maxresident)k
24inputs+2560008outputs (0major+485minor)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...
1.41user 19.43system 1:08.02elapsed 30%CPU (0avgtext+0avgdata 132976maxresident)k
24inputs+5242968outputs (0major+164464minor)pagefaults 0swaps
0.00user 0.68system 0:02.14elapsed 31%CPU (0avgtext+0avgdata 1616maxresident)k
16inputs+192000outputs (0major+125minor)pagefaults 0swaps
read_checkzero done
0.86user 9.31system 0:11.52elapsed 88%CPU (0avgtext+0avgdata 1312maxresident)k
16inputs+8outputs (0major+106minor)pagefaults 0swaps
0.00user 0.00system 0:00.04elapsed 9%CPU (0avgtext+0avgdata 3600maxresident)k
40inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.17elapsed 3%CPU (0avgtext+0avgdata 3600maxresident)k
0inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.23elapsed 1%CPU (0avgtext+0avgdata 3616maxresident)k
789inputs+792outputs (0major+253minor)pagefaults 0swaps