== sanity test 123aa: verify statahead work ============== 18:43:45 (1776206625)
total: 100 open/close in 2.17 seconds: 46.02 ops/second
llite.lustre-ffff9a40035a6800.statahead_max=0
101

real	0m1.565s
user	0m0.003s
sys	0m0.158s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff9a40035a6800.statahead_max=32
32
101

real	0m0.415s
user	0m0.004s
sys	0m0.059s
ls -l 100 files with statahead: 0 sec
statahead total: 25
statahead wrong: 0
agl total: 25
 - open/close 595 (time 1776206648.85 total 10.00 last 59.50)
total: 900 open/close in 14.90 seconds: 60.39 ops/second
llite.lustre-ffff9a40035a6800.statahead_max=0
1001

real	0m18.220s
user	0m0.040s
sys	0m1.401s
ls -l 1000 files without statahead: 18 sec
llite.lustre-ffff9a40035a6800.statahead_max=32
32
1001

real	0m3.697s
user	0m0.026s
sys	0m0.410s
ls -l 1000 files with statahead: 4 sec
statahead total: 26
statahead wrong: 0
agl total: 26
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 11 seconds
rm done
statahead total: 26
statahead wrong: 0
agl total: 26