== sanity test 123ab: verify statahead work by using statx ========================================================== 16:47:00 (1776199620)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.17 seconds: 85.36 ops/second
llite.lustre-ffff9f3504404000.statahead_max=0
100

real	0m1.175s
user	0m0.012s
sys	0m0.117s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9f3504404000.statahead_max=32
32
100

real	0m0.263s
user	0m0.007s
sys	0m0.043s
statx -l 100 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
 - open/close 765 (time 1776199639.37 total 10.01 last 76.43)
total: 900 open/close in 11.91 seconds: 75.55 ops/second
llite.lustre-ffff9f3504404000.statahead_max=0
1000

real	0m11.501s
user	0m0.085s
sys	0m1.026s
statx -l 1000 files without statahead: 11 sec
llite.lustre-ffff9f3504404000.statahead_max=32
32
1000

real	0m2.600s
user	0m0.039s
sys	0m0.327s
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