== sanity test 123ab: verify statahead work by using statx ========================================================== 18:25:25 (1781303125)
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.46 seconds: 68.27 ops/second
llite.lustre-ffff8b9784a3e800.statahead_max=0
100

real	0m1.391s
user	0m0.009s
sys	0m0.118s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8b9784a3e800.statahead_max=32
32
100

real	0m0.400s
user	0m0.009s
sys	0m0.050s
statx -l 100 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
 - open/close 804 (time 1781303145.67 total 10.00 last 80.36)
total: 900 open/close in 11.39 seconds: 79.05 ops/second
llite.lustre-ffff8b9784a3e800.statahead_max=0
1000

real	0m12.446s
user	0m0.066s
sys	0m1.099s
statx -l 1000 files without statahead: 12 sec
llite.lustre-ffff8b9784a3e800.statahead_max=32
32
1000

real	0m2.913s
user	0m0.040s
sys	0m0.368s
statx -l 1000 files with statahead: 3 sec
statahead total: 29
statahead wrong: 0
agl total: 29
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 8 seconds
rm done
statahead total: 29
statahead wrong: 0
agl total: 29