== sanity test 123aa: verify statahead work ============== 06:14:12 (1781259252)
total: 100 open/close in 1.45 seconds: 69.04 ops/second
llite.lustre-ffff9b8a11542800.statahead_max=0
101

real	0m1.230s
user	0m0.006s
sys	0m0.127s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff9b8a11542800.statahead_max=32
32
101

real	0m0.463s
user	0m0.005s
sys	0m0.054s
ls -l 100 files with statahead: 1 sec
statahead total: 25
statahead wrong: 0
agl total: 25
 - open/close 760 (time 1781259273.49 total 10.00 last 75.98)
total: 900 open/close in 11.81 seconds: 76.21 ops/second
llite.lustre-ffff9b8a11542800.statahead_max=0
1001

real	0m11.305s
user	0m0.029s
sys	0m1.114s
ls -l 1000 files without statahead: 12 sec
llite.lustre-ffff9b8a11542800.statahead_max=32
32
1001

real	0m2.211s
user	0m0.018s
sys	0m0.379s
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/: 8 seconds
rm done
statahead total: 26
statahead wrong: 0
agl total: 26