== sanity test 123ab: verify statahead work by using statx ========================================================== 13:28:07 (1776187687)
total: 100 open/close in 2.15 seconds: 46.49 ops/second
llite.lustre-ffff976646207000.statahead_max=0
100

real	0m1.578s
user	0m0.009s
sys	0m0.116s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff976646207000.statahead_max=32
32
100

real	0m0.397s
user	0m0.004s
sys	0m0.047s
statx -l 100 files with statahead: 0 sec
statahead total: 27
statahead wrong: 0
agl total: 27
 - open/close 624 (time 1776187709.96 total 10.00 last 62.38)
total: 900 open/close in 14.83 seconds: 60.67 ops/second
llite.lustre-ffff976646207000.statahead_max=0
1000

real	0m15.570s
user	0m0.088s
sys	0m1.252s
statx -l 1000 files without statahead: 15 sec
llite.lustre-ffff976646207000.statahead_max=32
32
1000

real	0m2.964s
user	0m0.041s
sys	0m0.367s
statx -l 1000 files with statahead: 3 sec
statahead total: 28
statahead wrong: 0
agl total: 28
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 9 seconds
rm done
statahead total: 28
statahead wrong: 0
agl total: 28