== sanity test 123aa: verify statahead work ============== 21:19:43 (1780967983)
total: 100 open/close in 1.52 seconds: 65.67 ops/second
llite.lustre-ffff8ec6472a5800.statahead_max=0
101

real	0m1.481s
user	0m0.005s
sys	0m0.121s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff8ec6472a5800.statahead_max=32
32
101

real	0m0.462s
user	0m0.003s
sys	0m0.047s
ls -l 100 files with statahead: 1 sec
statahead total: 25
statahead wrong: 0
agl total: 25
 - open/close 726 (time 1780968005.00 total 10.00 last 72.57)
total: 900 open/close in 12.13 seconds: 74.20 ops/second
llite.lustre-ffff8ec6472a5800.statahead_max=0
1001

real	0m11.320s
user	0m0.028s
sys	0m1.057s
ls -l 1000 files without statahead: 11 sec
llite.lustre-ffff8ec6472a5800.statahead_max=32
32
1001

real	0m3.012s
user	0m0.017s
sys	0m0.372s
ls -l 1000 files with statahead: 3 sec
statahead total: 26
statahead wrong: 0
agl total: 26
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 9 seconds
rm done
statahead total: 26
statahead wrong: 0
agl total: 26