== sanity test 123ab: verify statahead work by using statx ========================================================== 18:29:12 (1778538552)
total: 100 open/close in 0.54 seconds: 185.66 ops/second
llite.lustre-ffff8b23c8440800.statahead_max=0
100

real	0m0.482s
user	0m0.008s
sys	0m0.093s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8b23c8440800.statahead_max=32
32
100

real	0m0.180s
user	0m0.006s
sys	0m0.058s
statx -l 100 files with statahead: 1 sec
statahead total: 28
statahead wrong: 0
agl total: 28
total: 900 open/close in 3.95 seconds: 227.75 ops/second
llite.lustre-ffff8b23c8440800.statahead_max=0
1000

real	0m6.517s
user	0m0.073s
sys	0m0.946s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff8b23c8440800.statahead_max=32
32
1000

real	0m0.895s
user	0m0.024s
sys	0m0.374s
statx -l 1000 files with statahead: 1 sec
statahead total: 29
statahead wrong: 0
agl total: 29
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 3 seconds
rm done
statahead total: 29
statahead wrong: 0
agl total: 29