== sanity test 123ab: verify statahead work by using statx ========================================================== 09:22:47 (1774531367)
total: 100 open/close in 0.25 seconds: 401.65 ops/second
llite.lustre-ffff9ae50728d000.statahead_max=0
100

real	0m0.287s
user	0m0.004s
sys	0m0.067s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff9ae50728d000.statahead_max=32
32
100

real	0m0.143s
user	0m0.005s
sys	0m0.042s
statx -l 100 files with statahead: 1 sec
statahead total: 28
statahead wrong: 0
agl total: 28
total: 900 open/close in 1.95 seconds: 460.53 ops/second
llite.lustre-ffff9ae50728d000.statahead_max=0
1000

real	0m2.432s
user	0m0.027s
sys	0m0.513s
statx -l 1000 files without statahead: 3 sec
llite.lustre-ffff9ae50728d000.statahead_max=32
32
1000

real	0m0.587s
user	0m0.019s
sys	0m0.437s
statx -l 1000 files with statahead: 1 sec
statahead total: 29
statahead wrong: 0
agl total: 29
 - open/close 4972 (time 1774531387.75 total 10.00 last 497.16)
total: 9000 open/close in 17.73 seconds: 507.75 ops/second
llite.lustre-ffff9ae50728d000.statahead_max=0
10000

real	0m21.272s
user	0m0.261s
sys	0m4.490s
statx -l 10000 files without statahead: 21 sec
llite.lustre-ffff9ae50728d000.statahead_max=32
32
10000

real	0m5.598s
user	0m0.222s
sys	0m3.955s
statx -l 10000 files with statahead: 6 sec
statahead total: 30
statahead wrong: 0
agl total: 30
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 19 seconds
rm done
statahead total: 30
statahead wrong: 0
agl total: 30