== sanity test 123aa: verify statahead work ============== 14:52:14 (1776192734)
striped dir -i1 -c2 -H all_char /mnt/lustre/d123aa.sanity
total: 100 open/close in 2.48 seconds: 40.33 ops/second
llite.lustre-ffff8b08191dd800.statahead_max=0
101

real	0m2.398s
user	0m0.007s
sys	0m0.156s
ls -l 100 files without statahead: 2 sec
llite.lustre-ffff8b08191dd800.statahead_max=32
32
101

real	0m0.562s
user	0m0.004s
sys	0m0.092s
ls -l 100 files with statahead: 0 sec
statahead total: 26
statahead wrong: 0
agl total: 26
 - open/close 426 (time 1776192762.53 total 10.00 last 42.59)
total: 900 open/close in 18.26 seconds: 49.29 ops/second
llite.lustre-ffff8b08191dd800.statahead_max=0
1001

real	0m15.147s
user	0m0.042s
sys	0m1.299s
ls -l 1000 files without statahead: 15 sec
llite.lustre-ffff8b08191dd800.statahead_max=32
32
1001

real	0m3.278s
user	0m0.024s
sys	0m0.462s
ls -l 1000 files with statahead: 3 sec
statahead total: 27
statahead wrong: 0
agl total: 27
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 11 seconds
rm done
statahead total: 27
statahead wrong: 0
agl total: 27