== sanity test 123ab: verify statahead work by using statx ========================================================== 22:12:38 (1767841958)
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.30 seconds: 330.30 ops/second
llite.lustre-ffff9ca71236d000.statahead_max=0
100

real	0m0.269s
user	0m0.006s
sys	0m0.066s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff9ca71236d000.statahead_max=32
32
100

real	0m0.155s
user	0m0.002s
sys	0m0.050s
statx -l 100 files with statahead: 1 sec
statahead total: 29
statahead wrong: 0
agl total: 29
total: 900 open/close in 2.28 seconds: 394.97 ops/second
llite.lustre-ffff9ca71236d000.statahead_max=0
1000

real	0m3.736s
user	0m0.060s
sys	0m0.775s
statx -l 1000 files without statahead: 3 sec
llite.lustre-ffff9ca71236d000.statahead_max=32
32
1000

real	0m0.628s
user	0m0.021s
sys	0m0.433s
statx -l 1000 files with statahead: 1 sec
statahead total: 30
statahead wrong: 0
agl total: 30
 - open/close 3693 (time 1767841980.59 total 10.00 last 369.26)
 - open/close 7506 (time 1767841990.59 total 20.00 last 381.27)
total: 9000 open/close in 23.86 seconds: 377.13 ops/second
llite.lustre-ffff9ca71236d000.statahead_max=0
10000

real	0m32.960s
user	0m0.586s
sys	0m6.510s
statx -l 10000 files without statahead: 33 sec
llite.lustre-ffff9ca71236d000.statahead_max=32
32
10000

real	0m6.001s
user	0m0.227s
sys	0m4.252s
statx -l 10000 files with statahead: 6 sec
statahead total: 31
statahead wrong: 0
agl total: 31
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 24 seconds
rm done
statahead total: 31
statahead wrong: 0
agl total: 31