== sanity test 123ab: verify statahead work by using statx ========================================================== 10:18:47 (1761315527)
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.49 seconds: 67.14 ops/second
llite.lustre-ffff919e9170b800.statahead_max=0
100

real	0m1.477s
user	0m0.012s
sys	0m0.145s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff919e9170b800.statahead_max=32
32
100

real	0m0.334s
user	0m0.006s
sys	0m0.063s
statx -l 100 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
total: 900 open/close in 9.76 seconds: 92.23 ops/second
llite.lustre-ffff919e9170b800.statahead_max=0
1000

real	0m12.268s
user	0m0.091s
sys	0m1.305s
statx -l 1000 files without statahead: 12 sec
llite.lustre-ffff919e9170b800.statahead_max=32
32
1000

real	0m1.805s
user	0m0.046s
sys	0m0.375s
statx -l 1000 files with statahead: 2 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