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 0.06system 0:12.25elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+7008outputs (0major+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
56inputs+56outputs (0major+111minor)pagefaults 0swaps
0.00user 0.05system 0:07.07elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+394minor)pagefaults 0swaps
0.10user 0.98system 0:02.17elapsed 49%CPU (0avgtext+0avgdata 0maxresident)k
2976inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.09user 0.96system 0:02.03elapsed 51%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.11user 0.94system 0:02.34elapsed 44%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (49major+25954minor)pagefaults 0swaps
0.08user 0.97system 0:02.01elapsed 52%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (49major+25953minor)pagefaults 0swaps
0.00user 0.07system 0:07.07elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+132minor)pagefaults 0swaps
4.53user 2.63system 0:16.03elapsed 44%CPU (0avgtext+0avgdata 0maxresident)k
327136inputs+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 1.46system 2:21.67elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+2560016outputs (1major+470minor)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...
2.47user 18.88system 1:04.46elapsed 33%CPU (0avgtext+0avgdata 0maxresident)k
851992inputs+5242968outputs (0major+164400minor)pagefaults 0swaps
0.00user 0.79system 0:02.09elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+111minor)pagefaults 0swaps
read_checkzero done
1.92user 6.19system 0:08.15elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+93minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.23elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.11elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps