== sanity test 123ab: verify statahead work by using statx ========================================================== 12:23:43 (1776270223)
total: 100 open/close in 1.49 seconds: 66.93 ops/second
llite.lustre-ffff902506311000.statahead_max=0
100

real	0m1.292s
user	0m0.012s
sys	0m0.139s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff902506311000.statahead_max=32
32
100

real	0m0.470s
user	0m0.007s
sys	0m0.062s
statx -l 100 files with statahead: 1 sec
statahead total: 27
statahead wrong: 0
agl total: 27
 - open/close 595 (time 1776270245.33 total 10.01 last 59.44)
total: 900 open/close in 14.60 seconds: 61.65 ops/second
llite.lustre-ffff902506311000.statahead_max=0
1000

real	0m12.985s
user	0m0.073s
sys	0m1.133s
statx -l 1000 files without statahead: 13 sec
llite.lustre-ffff902506311000.statahead_max=32
32
1000

real	0m2.554s
user	0m0.039s
sys	0m0.365s
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/: 9 seconds
rm done
statahead total: 28
statahead wrong: 0
agl total: 28