== sanity test 123ab: verify statahead work by using statx ========================================================== 18:45:10 (1776206710)
total: 100 open/close in 2.22 seconds: 45.00 ops/second
llite.lustre-ffff9a40035a6800.statahead_max=0
100

real	0m1.430s
user	0m0.007s
sys	0m0.142s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9a40035a6800.statahead_max=32
32
100

real	0m0.519s
user	0m0.004s
sys	0m0.045s
statx -l 100 files with statahead: 0 sec
statahead total: 27
statahead wrong: 0
agl total: 27
 - open/close 633 (time 1776206732.26 total 10.01 last 63.25)
total: 900 open/close in 12.91 seconds: 69.69 ops/second
llite.lustre-ffff9a40035a6800.statahead_max=0
1000

real	0m12.165s
user	0m0.084s
sys	0m1.344s
statx -l 1000 files without statahead: 12 sec
llite.lustre-ffff9a40035a6800.statahead_max=32
32
1000

real	0m2.979s
user	0m0.035s
sys	0m0.403s
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