trying 2000 iterations
read thread 1109489984 start
write thread 1087625536 start
write thread 1087625536 stop
read thread 1109489984 stop
Pass: all stats after completion of extending writes saw the new size
Command exited with non-zero status 2
0.00user 0.15system 0:13.29elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
64inputs+7008outputs (0major+235minor)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 1%CPU (0avgtext+0avgdata 0maxresident)k
56inputs+56outputs (0major+126minor)pagefaults 0swaps
0.00user 0.12system 0:07.01elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+407minor)pagefaults 0swaps
0.11user 1.57system 0:02.66elapsed 63%CPU (0avgtext+0avgdata 0maxresident)k
2720inputs+207360outputs (1599major+24417minor)pagefaults 0swaps
0.09user 1.52system 0:02.23elapsed 72%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24418minor)pagefaults 0swaps
0.11user 1.11system 0:02.61elapsed 46%CPU (0avgtext+0avgdata 0maxresident)k
2560inputs+207360outputs (1599major+24417minor)pagefaults 0swaps
0.12user 1.51system 0:02.39elapsed 68%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+207360outputs (1599major+24418minor)pagefaults 0swaps
0.00user 0.11system 0:06.98elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+128000outputs (0major+145minor)pagefaults 0swaps
3.38user 3.28system 0:16.27elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
326912inputs+409600outputs (1599major+24198minor)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 1.75system 2:24.29elapsed 1%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+2560008outputs (0major+485minor)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...
2.34user 29.37system 1:16.13elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k
24inputs+5242968outputs (0major+164465minor)pagefaults 0swaps
0.00user 1.29system 0:02.61elapsed 49%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+192000outputs (0major+126minor)pagefaults 0swaps
read_checkzero done
1.43user 11.25system 0:12.90elapsed 98%CPU (0avgtext+0avgdata 0maxresident)k
16inputs+8outputs (0major+106minor)pagefaults 0swaps
0.00user 0.00system 0:00.02elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
32inputs+784outputs (0major+252minor)pagefaults 0swaps
0.00user 0.00system 0:00.21elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+784outputs (0major+253minor)pagefaults 0swaps
0.00user 0.00system 0:00.11elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k
789inputs+792outputs (0major+251minor)pagefaults 0swaps