trying 2000 iterations
read thread 1115552064 start
write thread 1123944768 start
write thread 1123944768 stop
read thread 1115552064 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.12system 0:12.15elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
64inputs+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 0:00.09elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k
56inputs+56outputs (0major+114minor)pagefaults 0swaps
0.00user 0.09system 0:07.53elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+128000outputs (0major+397minor)pagefaults 0swaps
0.12user 0.91system 0:03.52elapsed 29%CPU (0avgtext+0avgdata 0maxresident)k
2744inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.13user 0.92system 0:02.85elapsed 37%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.12user 0.97system 0:03.43elapsed 32%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.09user 1.00system 0:02.54elapsed 42%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.00user 0.07system 0:08.35elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+136minor)pagefaults 0swaps
3.52user 2.38system 0:19.94elapsed 29%CPU (0avgtext+0avgdata 0maxresident)k
325880inputs+409600outputs (1599major+24185minor)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
0.02user 1.26system 2:40.01elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+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...
2.18user 20.35system 1:16.66elapsed 29%CPU (0avgtext+0avgdata 0maxresident)k
65560inputs+5242968outputs (0major+164403minor)pagefaults 0swaps
0.00user 0.84system 0:02.77elapsed 30%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
0.46user 9.15system 0:09.67elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+95minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.20elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.11elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+240minor)pagefaults 0swaps