== sanity test 123ab: verify statahead work by using statx ========================================================== 12:01:37 (1761321697)
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.73 seconds: 137.88 ops/second
llite.lustre-ffff9652a005d800.statahead_max=0
100

real	0m0.665s
user	0m0.008s
sys	0m0.113s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff9652a005d800.statahead_max=32
32
100

real	0m0.158s
user	0m0.004s
sys	0m0.058s
statx -l 100 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
total: 900 open/close in 4.47 seconds: 201.55 ops/second
llite.lustre-ffff9652a005d800.statahead_max=0
1000

real	0m5.977s
user	0m0.062s
sys	0m1.006s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff9652a005d800.statahead_max=32
32
1000

real	0m0.748s
user	0m0.031s
sys	0m0.492s
statx -l 1000 files with statahead: 1 sec
statahead total: 29
statahead wrong: 0
agl total: 29
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 3 seconds
rm done
statahead total: 29
statahead wrong: 0
agl total: 29