== sanity test 123ab: verify statahead work by using statx ========================================================== 18:34:50 (1781303690)
total: 100 open/close in 2.11 seconds: 47.33 ops/second
llite.lustre-ffff9f21885bf000.statahead_max=0
100

real	0m2.474s
user	0m0.013s
sys	0m0.178s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9f21885bf000.statahead_max=32
32
100

real	0m0.530s
user	0m0.009s
sys	0m0.054s
statx -l 100 files with statahead: 1 sec
statahead total: 27
statahead wrong: 0
agl total: 27
 - open/close 613 (time 1781303715.04 total 10.01 last 61.25)
total: 900 open/close in 15.10 seconds: 59.61 ops/second
llite.lustre-ffff9f21885bf000.statahead_max=0
1000

real	0m16.071s
user	0m0.076s
sys	0m1.176s
statx -l 1000 files without statahead: 16 sec
llite.lustre-ffff9f21885bf000.statahead_max=32
32
1000

real	0m3.529s
user	0m0.046s
sys	0m0.394s
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/: 11 seconds
rm done
statahead total: 28
statahead wrong: 0
agl total: 28