== sanity test 123ab: verify statahead work by using statx ========================================================== 10:11:33 (1761315093)
striped dir -i1 -c2 -H crush /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.39 seconds: 71.89 ops/second
llite.lustre-ffff9b0798436800.statahead_max=0
100

real	0m1.129s
user	0m0.012s
sys	0m0.127s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9b0798436800.statahead_max=32
32
100

real	0m0.405s
user	0m0.009s
sys	0m0.065s
statx -l 100 files with statahead: 1 sec
statahead total: 28
statahead wrong: 0
agl total: 28
 - open/close 816 (time 1761315113.76 total 10.01 last 81.49)
total: 900 open/close in 11.27 seconds: 79.84 ops/second
llite.lustre-ffff9b0798436800.statahead_max=0
1000

real	0m11.661s
user	0m0.071s
sys	0m1.199s
statx -l 1000 files without statahead: 12 sec
llite.lustre-ffff9b0798436800.statahead_max=32
32
1000

real	0m1.843s
user	0m0.027s
sys	0m0.327s
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