== sanity test 123ab: verify statahead work by using statx ========================================================== 17:01:35 (1771970495)
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.25 seconds: 402.68 ops/second
llite.lustre-ffff9aaa88de3800.statahead_max=0
100

real	0m0.266s
user	0m0.004s
sys	0m0.062s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff9aaa88de3800.statahead_max=32
32
100

real	0m0.211s
user	0m0.003s
sys	0m0.050s
statx -l 100 files with statahead: 0 sec
statahead total: 29
statahead wrong: 0
agl total: 29
total: 900 open/close in 1.70 seconds: 529.44 ops/second
llite.lustre-ffff9aaa88de3800.statahead_max=0
1000

real	0m2.358s
user	0m0.031s
sys	0m0.468s
statx -l 1000 files without statahead: 3 sec
llite.lustre-ffff9aaa88de3800.statahead_max=32
32
1000

real	0m0.630s
user	0m0.024s
sys	0m0.493s
statx -l 1000 files with statahead: 1 sec
statahead total: 30
statahead wrong: 0
agl total: 30
 - open/close 4927 (time 1771970515.72 total 10.00 last 492.65)
total: 9000 open/close in 18.27 seconds: 492.52 ops/second
llite.lustre-ffff9aaa88de3800.statahead_max=0
10000

real	0m24.037s
user	0m0.280s
sys	0m4.926s
statx -l 10000 files without statahead: 24 sec
llite.lustre-ffff9aaa88de3800.statahead_max=32
32
10000

real	0m6.219s
user	0m0.240s
sys	0m4.606s
statx -l 10000 files with statahead: 7 sec
statahead total: 31
statahead wrong: 0
agl total: 31
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 16 seconds
rm done
statahead total: 31
statahead wrong: 0
agl total: 31