== sanity test 123ab: verify statahead work by using statx ========================================================== 14:49:43 (1776192583)
total: 100 open/close in 1.51 seconds: 66.43 ops/second
llite.lustre-ffff929c10844000.statahead_max=0
100

real	0m1.562s
user	0m0.007s
sys	0m0.133s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff929c10844000.statahead_max=32
32
100

real	0m0.366s
user	0m0.006s
sys	0m0.050s
statx -l 100 files with statahead: 0 sec
statahead total: 27
statahead wrong: 0
agl total: 27
 - open/close 640 (time 1776192605.51 total 10.01 last 63.96)
total: 900 open/close in 14.30 seconds: 62.95 ops/second
llite.lustre-ffff929c10844000.statahead_max=0
1000

real	0m16.702s
user	0m0.082s
sys	0m1.142s
statx -l 1000 files without statahead: 16 sec
llite.lustre-ffff929c10844000.statahead_max=32
32
1000

real	0m3.946s
user	0m0.052s
sys	0m0.376s
statx -l 1000 files with statahead: 4 sec
statahead total: 28
statahead wrong: 0
agl total: 28
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 11 seconds
rm done
statahead total: 28
statahead wrong: 0
agl total: 28