== sanity test 123ab: verify statahead work by using statx ========================================================== 13:28:50 (1781285330)
total: 100 open/close in 1.58 seconds: 63.20 ops/second
llite.lustre-ffff91ec0843c800.statahead_max=0
100

real	0m1.432s
user	0m0.009s
sys	0m0.125s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff91ec0843c800.statahead_max=32
32
100

real	0m0.337s
user	0m0.004s
sys	0m0.051s
statx -l 100 files with statahead: 1 sec
statahead total: 27
statahead wrong: 0
agl total: 27
 - open/close 698 (time 1781285350.96 total 10.01 last 69.76)
total: 900 open/close in 12.95 seconds: 69.50 ops/second
llite.lustre-ffff91ec0843c800.statahead_max=0
1000

real	0m12.128s
user	0m0.089s
sys	0m1.043s
statx -l 1000 files without statahead: 13 sec
llite.lustre-ffff91ec0843c800.statahead_max=32
32
1000

real	0m2.751s
user	0m0.037s
sys	0m0.337s
statx -l 1000 files with statahead: 2 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