== sanity test 123aa: verify statahead work ============== 22:10:30 (1767841830)
striped dir -i1 -c2 -H all_char /mnt/lustre/d123aa.sanity
total: 100 open/close in 0.65 seconds: 153.61 ops/second
llite.lustre-ffff9ca71236d000.statahead_max=0
101

real	0m0.460s
user	0m0.008s
sys	0m0.085s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff9ca71236d000.statahead_max=32
32
101

real	0m0.179s
user	0m0.002s
sys	0m0.058s
ls -l 100 files with statahead: 0 sec
statahead total: 26
statahead wrong: 0
agl total: 26
total: 900 open/close in 3.68 seconds: 244.63 ops/second
llite.lustre-ffff9ca71236d000.statahead_max=0
1001

real	0m4.931s
user	0m0.029s
sys	0m0.822s
ls -l 1000 files without statahead: 5 sec
llite.lustre-ffff9ca71236d000.statahead_max=32
32
1001

real	0m0.783s
user	0m0.012s
sys	0m0.434s
ls -l 1000 files with statahead: 1 sec
statahead total: 27
statahead wrong: 0
agl total: 27
 - open/close 2016 (time 1767841858.09 total 10.00 last 201.60)
 - open/close 3998 (time 1767841868.09 total 20.00 last 198.16)
 - open/close 6098 (time 1767841878.09 total 30.00 last 210.00)
total: 9000 open/close in 38.33 seconds: 234.79 ops/second
llite.lustre-ffff9ca71236d000.statahead_max=0
10001

real	0m35.513s
user	0m0.266s
sys	0m7.144s
ls -l 10000 files without statahead: 36 sec
llite.lustre-ffff9ca71236d000.statahead_max=32
32
10001

real	0m6.173s
user	0m0.140s
sys	0m4.825s
ls -l 10000 files with statahead: 6 sec
statahead total: 28
statahead wrong: 0
agl total: 28
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 22 seconds
rm done
statahead total: 28
statahead wrong: 0
agl total: 28