trying 2000 iterations
read thread 1103890752 start
write thread 1093089600 start
write thread 1093089600 stop
read thread 1103890752 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.13system 0:12.14elapsed 1%CPU (0avgtext+0avgdata 3184maxresident)k
80inputs+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 0%CPU (0avgtext+0avgdata 1552maxresident)k
56inputs+56outputs (0major+125minor)pagefaults 0swaps
0.00user 0.09system 0:07.09elapsed 1%CPU (0avgtext+0avgdata 5904maxresident)k
32inputs+128000outputs (0major+406minor)pagefaults 0swaps
0.11user 0.91system 0:02.49elapsed 41%CPU (0avgtext+0avgdata 411232maxresident)k
2736inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.06user 1.01system 0:02.27elapsed 47%CPU (0avgtext+0avgdata 411232maxresident)k
0inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.07user 0.97system 0:02.40elapsed 43%CPU (0avgtext+0avgdata 411232maxresident)k
2560inputs+207360outputs (1major+26016minor)pagefaults 0swaps
0.07user 0.98system 0:02.15elapsed 49%CPU (0avgtext+0avgdata 411248maxresident)k
0inputs+207360outputs (1major+26017minor)pagefaults 0swaps
0.00user 0.09system 0:07.18elapsed 1%CPU (0avgtext+0avgdata 1760maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
3.49user 2.66system 0:16.71elapsed 36%CPU (0avgtext+0avgdata 411216maxresident)k
323136inputs+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
0.00user 1.84system 2:21.73elapsed 1%CPU (0avgtext+0avgdata 7184maxresident)k
24inputs+2560008outputs (0major+484minor)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...
1.50user 19.81system 1:04.68elapsed 32%CPU (0avgtext+0avgdata 132992maxresident)k
24inputs+5242968outputs (0major+164456minor)pagefaults 0swaps
0.00user 0.73system 0:02.25elapsed 32%CPU (0avgtext+0avgdata 1616maxresident)k
16inputs+192000outputs (0major+125minor)pagefaults 0swaps
read_checkzero done
1.16user 8.92system 0:10.15elapsed 99%CPU (0avgtext+0avgdata 1328maxresident)k
16inputs+8outputs (0major+107minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 13%CPU (0avgtext+0avgdata 3616maxresident)k
32inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.15elapsed 3%CPU (0avgtext+0avgdata 3632maxresident)k
0inputs+784outputs (0major+255minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 0%CPU (0avgtext+0avgdata 3616maxresident)k
789inputs+792outputs (0major+253minor)pagefaults 0swaps