== sanity test 123ab: verify statahead work by using statx ========================================================== 17:10:36 (1771971036)
total: 100 open/close in 0.28 seconds: 351.85 ops/second
llite.lustre-ffff9bf842b91000.statahead_max=0
100

real	0m0.275s
user	0m0.003s
sys	0m0.075s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9bf842b91000.statahead_max=32
32
100

real	0m0.173s
user	0m0.005s
sys	0m0.051s
statx -l 100 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
total: 900 open/close in 1.91 seconds: 472.37 ops/second
llite.lustre-ffff9bf842b91000.statahead_max=0
1000

real	0m2.238s
user	0m0.022s
sys	0m0.489s
statx -l 1000 files without statahead: 2 sec
llite.lustre-ffff9bf842b91000.statahead_max=32
32
1000

real	0m0.586s
user	0m0.024s
sys	0m0.366s
statx -l 1000 files with statahead: 0 sec
statahead total: 29
statahead wrong: 0
agl total: 29
 - open/close 5118 (time 1771971057.04 total 10.00 last 511.72)
total: 9000 open/close in 18.07 seconds: 498.04 ops/second
llite.lustre-ffff9bf842b91000.statahead_max=0
10000

real	0m28.669s
user	0m0.522s
sys	0m6.295s
statx -l 10000 files without statahead: 28 sec
llite.lustre-ffff9bf842b91000.statahead_max=32
32
10000

real	0m6.360s
user	0m0.226s
sys	0m4.342s
statx -l 10000 files with statahead: 7 sec
statahead total: 30
statahead wrong: 0
agl total: 30
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 18 seconds
rm done
statahead total: 30
statahead wrong: 0
agl total: 30