== sanity test 123aa: verify statahead work ============== 18:47:20 (1736984840)
striped dir -i1 -c2 -H all_char /mnt/lustre/d123aa.sanity
total: 100 open/close in 0.43 seconds: 233.01 ops/second
llite.lustre-ffff880077cb2800.statahead_max=0
101

real	0m0.534s
user	0m0.005s
sys	0m0.126s
ls -l 100 files without statahead: 0 sec
llite.lustre-ffff880077cb2800.statahead_max=32
32
101

real	0m0.238s
user	0m0.003s
sys	0m0.062s
ls -l 100 files with statahead: 0 sec
statahead total: 27
statahead wrong: 0
agl total: 27
total: 900 open/close in 2.99 seconds: 301.48 ops/second
llite.lustre-ffff880077cb2800.statahead_max=0
1001

real	0m4.528s
user	0m0.168s
sys	0m0.851s
ls -l 1000 files without statahead: 4 sec
llite.lustre-ffff880077cb2800.statahead_max=32
32
1001

real	0m0.555s
user	0m0.034s
sys	0m0.231s
ls -l 1000 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
 - open/close 2541 (time 1736984864.24 total 10.00 last 254.01)
 - open/close 4030 (time 1736984874.24 total 20.00 last 148.89)
 - open/close 4932 (time 1736984884.24 total 30.01 last 90.15)
 - open/close 5894 (time 1736984894.25 total 40.01 last 96.15)
 - open/close 6979 (time 1736984904.25 total 50.02 last 108.46)
 - open/close 8390 (time 1736984914.25 total 60.02 last 141.08)
total: 9000 open/close in 64.40 seconds: 139.74 ops/second
llite.lustre-ffff880077cb2800.statahead_max=0
10001

real	1m9.444s
user	0m6.930s
sys	0m6.229s
ls -l 10000 files without statahead: 70 sec
llite.lustre-ffff880077cb2800.statahead_max=32
32
10001

real	0m9.085s
user	0m0.292s
sys	0m2.690s
ls -l 10000 files with statahead: 9 sec
statahead total: 29
statahead wrong: 0
agl total: 29
ls -l done
rm -r /mnt/lustre/d123aa.sanity/: 46 seconds
rm done
statahead total: 29
statahead wrong: 0
agl total: 29