== sanity test 123ab: verify statahead work by using statx ========================================================== 00:38:56 (1780979936)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.69 seconds: 59.00 ops/second
llite.lustre-ffff9354c7fa1000.statahead_max=0
100

real	0m1.384s
user	0m0.006s
sys	0m0.139s
statx -l 100 files without statahead: 2 sec
llite.lustre-ffff9354c7fa1000.statahead_max=32
32
100

real	0m0.356s
user	0m0.007s
sys	0m0.048s
statx -l 100 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
 - open/close 734 (time 1780979957.71 total 10.00 last 73.36)
total: 900 open/close in 12.47 seconds: 72.19 ops/second
llite.lustre-ffff9354c7fa1000.statahead_max=0
1000

real	0m14.159s
user	0m0.106s
sys	0m1.319s
statx -l 1000 files without statahead: 14 sec
llite.lustre-ffff9354c7fa1000.statahead_max=32
32
1000

real	0m2.777s
user	0m0.038s
sys	0m0.376s
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/: 11 seconds
rm done
statahead total: 29
statahead wrong: 0
agl total: 29