trying 2000 iterations
read thread 1087101248 start
write thread 1095493952 start
write thread 1095493952 stop
read thread 1087101248 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.12system 0:12.22elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
88inputs+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 0.10system 0:07.62elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+395minor)pagefaults 0swaps
0.13user 1.00system 0:03.23elapsed 35%CPU (0avgtext+0avgdata 0maxresident)k
2720inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.13user 1.02system 0:02.56elapsed 45%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24405minor)pagefaults 0swaps
0.10user 0.98system 0:02.90elapsed 37%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24404minor)pagefaults 0swaps
0.11user 1.04system 0:02.55elapsed 45%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24406minor)pagefaults 0swaps
0.00user 0.07system 0:07.66elapsed 0%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+128000outputs (0major+135minor)pagefaults 0swaps
4.13user 2.71system 0:17.73elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k
316288inputs+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 1.64system 2:36.06elapsed 1%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...
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Pass 4...
Pass 5...
Pass 6...
Pass 7...
Pass 8...
Pass 9...
Pass 10...
2.21user 21.14system 1:04.97elapsed 35%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164404minor)pagefaults 0swaps
0.00user 0.91system 0:02.75elapsed 33%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+114minor)pagefaults 0swaps
read_checkzero done
2.16user 24.02system 0:26.26elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+96minor)pagefaults 0swaps
0.00user 0.00system 0:00.03elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+240minor)pagefaults 0swaps
0.00user 0.00system 0:00.24elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+239minor)pagefaults 0swaps
0.00user 0.00system 0:00.10elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+239minor)pagefaults 0swaps