== sanity test 123ab: verify statahead work by using statx ========================================================== 14:35:53 (1776191753)
total: 100 open/close in 1.26 seconds: 79.33 ops/second
llite.lustre-ffff9df702dca000.statahead_max=0
100

real	0m1.284s
user	0m0.009s
sys	0m0.108s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9df702dca000.statahead_max=32
32
100

real	0m0.466s
user	0m0.004s
sys	0m0.050s
statx -l 100 files with statahead: 1 sec
statahead total: 27
statahead wrong: 0
agl total: 27
 - open/close 660 (time 1776191774.29 total 10.03 last 65.81)
total: 900 open/close in 13.56 seconds: 66.35 ops/second
llite.lustre-ffff9df702dca000.statahead_max=0
1000

real	0m12.616s
user	0m0.068s
sys	0m1.040s
statx -l 1000 files without statahead: 13 sec
llite.lustre-ffff9df702dca000.statahead_max=32
32
1000

real	0m2.436s
user	0m0.036s
sys	0m0.355s
statx -l 1000 files with statahead: 3 sec
statahead total: 28
statahead wrong: 0
agl total: 28
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 8 seconds
rm done
statahead total: 28
statahead wrong: 0
agl total: 28