== sanity test 123ab: verify statahead work by using statx ========================================================== 15:51:30 (1776196290)
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.66 seconds: 60.24 ops/second
llite.lustre-ffff95f306365800.statahead_max=0
100

real	0m1.623s
user	0m0.008s
sys	0m0.135s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff95f306365800.statahead_max=32
32
100

real	0m0.552s
user	0m0.005s
sys	0m0.061s
statx -l 100 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
 - open/close 619 (time 1776196313.17 total 10.01 last 61.81)
total: 900 open/close in 14.47 seconds: 62.21 ops/second
llite.lustre-ffff95f306365800.statahead_max=0
1000

real	0m17.024s
user	0m0.094s
sys	0m1.177s
statx -l 1000 files without statahead: 17 sec
llite.lustre-ffff95f306365800.statahead_max=32
32
1000

real	0m2.564s
user	0m0.034s
sys	0m0.375s
statx -l 1000 files with statahead: 2 sec
statahead total: 29
statahead wrong: 0
agl total: 29
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 10 seconds
rm done
statahead total: 29
statahead wrong: 0
agl total: 29