trying 2000 iterations
read thread 1094007104 start
write thread 1102399808 start
write thread 1102399808 stop
read thread 1094007104 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.11system 0:12.16elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
80inputs+7008outputs (0major+214minor)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 0:00.07elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
56inputs+56outputs (0major+114minor)pagefaults 0swaps
0.00user 0.07system 0:07.15elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
48inputs+128000outputs (0major+396minor)pagefaults 0swaps
0.13user 0.99system 0:02.94elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k
2752inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.12user 1.06system 0:02.46elapsed 48%CPU (0avgtext+0avgdata 0maxresident)k
8inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.09user 1.09system 0:02.91elapsed 40%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.12user 1.10system 0:02.48elapsed 49%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.00user 0.13system 0:07.06elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+136minor)pagefaults 0swaps
2.78user 2.41system 0:16.61elapsed 31%CPU (0avgtext+0avgdata 0maxresident)k
327160inputs+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
0.00user 1.38system 2:27.20elapsed 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...
2.22user 20.63system 1:06.11elapsed 34%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242976outputs (0major+164412minor)pagefaults 0swaps
0.00user 0.84system 0:02.68elapsed 31%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+192000outputs (0major+113minor)pagefaults 0swaps
read_checkzero done
1.60user 9.31system 0:10.96elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.05elapsed 6%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.22elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+241minor)pagefaults 0swaps