== sanity test 123aa: verify statahead work ============== 11:23:07 (1761319387)
total: 100 open/close in 1.17 seconds: 85.70 ops/second
llite.lustre-ffff9918c5472000.statahead_max=0
101

real	0m1.116s
user	0m0.003s
sys	0m0.135s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff9918c5472000.statahead_max=32
32
101

real	0m0.194s
user	0m0.004s
sys	0m0.054s
ls -l 100 files with statahead: 1 sec
statahead total: 25
statahead wrong: 0
agl total: 25
total: 900 open/close in 8.35 seconds: 107.83 ops/second
llite.lustre-ffff9918c5472000.statahead_max=0
1001

real	0m9.610s
user	0m0.035s
sys	0m1.174s
ls -l 1000 files without statahead: 9 sec
llite.lustre-ffff9918c5472000.statahead_max=32
32
1001

real	0m1.427s
user	0m0.017s
sys	0m0.438s
ls -l 1000 files with statahead: 2 sec
statahead total: 26
statahead wrong: 0
agl total: 26
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 7 seconds
rm done
statahead total: 26
statahead wrong: 0
agl total: 26