trying 2000 iterations
read thread 1087850816 start
write thread 1103538496 start
write thread 1103538496 stop
read thread 1087850816 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.14system 0:12.18elapsed 1%CPU (0avgtext+0avgdata 2976maxresident)k
72inputs+7008outputs (0major+238minor)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 1%CPU (0avgtext+0avgdata 1568maxresident)k
56inputs+56outputs (0major+126minor)pagefaults 0swaps
0.00user 0.09system 0:07.12elapsed 1%CPU (0avgtext+0avgdata 5904maxresident)k
24inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.07user 1.07system 0:02.47elapsed 46%CPU (0avgtext+0avgdata 410752maxresident)k
2736inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.10user 0.94system 0:02.14elapsed 48%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.06user 0.97system 0:02.28elapsed 45%CPU (0avgtext+0avgdata 410736maxresident)k
2560inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.08user 0.96system 0:02.19elapsed 47%CPU (0avgtext+0avgdata 410736maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.00user 0.09system 0:07.19elapsed 1%CPU (0avgtext+0avgdata 1760maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
3.31user 2.61system 0:17.54elapsed 33%CPU (0avgtext+0avgdata 410720maxresident)k
341704inputs+409600outputs (1major+25799minor)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 1.77system 2:22.79elapsed 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...
1.49user 17.97system 1:01.52elapsed 31%CPU (0avgtext+0avgdata 132992maxresident)k
24inputs+5242968outputs (0major+164466minor)pagefaults 0swaps
0.00user 0.57system 0:02.11elapsed 26%CPU (0avgtext+0avgdata 1616maxresident)k
16inputs+192000outputs (0major+125minor)pagefaults 0swaps
read_checkzero done
1.13user 9.36system 0:10.56elapsed 99%CPU (0avgtext+0avgdata 1296maxresident)k
16inputs+8outputs (0major+105minor)pagefaults 0swaps
0.00user 0.00system 0:00.05elapsed 8%CPU (0avgtext+0avgdata 3616maxresident)k
32inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 3%CPU (0avgtext+0avgdata 3616maxresident)k
0inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.23elapsed 1%CPU (0avgtext+0avgdata 3616maxresident)k
789inputs+792outputs (0major+253minor)pagefaults 0swaps