== sanity test 123aa: verify statahead work ============== 22:09:28 (1767841768)
total: 100 open/close in 0.81 seconds: 123.96 ops/second
llite.lustre-ffff8a21c9f08800.statahead_max=0
101

real	0m0.763s
user	0m0.006s
sys	0m0.107s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff8a21c9f08800.statahead_max=32
32
101

real	0m0.176s
user	0m0.003s
sys	0m0.054s
ls -l 100 files with statahead: 0 sec
statahead total: 25
statahead wrong: 0
agl total: 25
total: 900 open/close in 5.46 seconds: 164.93 ops/second
llite.lustre-ffff8a21c9f08800.statahead_max=0
1001

real	0m6.937s
user	0m0.023s
sys	0m0.891s
ls -l 1000 files without statahead: 7 sec
llite.lustre-ffff8a21c9f08800.statahead_max=32
32
1001

real	0m1.105s
user	0m0.014s
sys	0m0.408s
ls -l 1000 files with statahead: 1 sec
statahead total: 26
statahead wrong: 0
agl total: 26
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 4 seconds
rm done
statahead total: 26
statahead wrong: 0
agl total: 26