== sanity test 123ab: verify statahead work by using statx ========================================================== 14:53:40 (1776192820)
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.68 seconds: 59.62 ops/second
llite.lustre-ffff8b08191dd800.statahead_max=0
100

real	0m1.515s
user	0m0.010s
sys	0m0.138s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff8b08191dd800.statahead_max=32
32
100

real	0m0.447s
user	0m0.004s
sys	0m0.074s
statx -l 100 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
 - open/close 542 (time 1776192844.01 total 10.02 last 54.10)
total: 900 open/close in 16.15 seconds: 55.74 ops/second
llite.lustre-ffff8b08191dd800.statahead_max=0
1000

real	0m18.955s
user	0m0.091s
sys	0m1.289s
statx -l 1000 files without statahead: 19 sec
llite.lustre-ffff8b08191dd800.statahead_max=32
32
1000

real	0m2.913s
user	0m0.028s
sys	0m0.390s
statx -l 1000 files with statahead: 3 sec
statahead total: 29
statahead wrong: 0
agl total: 29
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 13 seconds
rm done
statahead total: 29
statahead wrong: 0
agl total: 29