== sanity test 123ab: verify statahead work by using statx ========================================================== 13:26:50 (1776187610)
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.24 seconds: 80.89 ops/second
llite.lustre-ffff9bbac7894800.statahead_max=0
100

real	0m0.950s
user	0m0.009s
sys	0m0.114s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9bbac7894800.statahead_max=32
32
100

real	0m0.488s
user	0m0.008s
sys	0m0.051s
statx -l 100 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
 - open/close 861 (time 1776187630.86 total 10.01 last 86.06)
total: 900 open/close in 10.56 seconds: 85.22 ops/second
llite.lustre-ffff9bbac7894800.statahead_max=0
1000

real	0m11.155s
user	0m0.073s
sys	0m1.016s
statx -l 1000 files without statahead: 11 sec
llite.lustre-ffff9bbac7894800.statahead_max=32
32
1000

real	0m2.229s
user	0m0.043s
sys	0m0.335s
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/: 7 seconds
rm done
statahead total: 29
statahead wrong: 0
agl total: 29