== sanity test 123ab: verify statahead work by using statx ========================================================== 19:41:20 (1781048480)
total: 100 open/close in 0.23 seconds: 442.73 ops/second
llite.lustre-ffff9de0c7e4f800.statahead_max=0
100

real	0m0.223s
user	0m0.010s
sys	0m0.050s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff9de0c7e4f800.statahead_max=32
32
100

real	0m0.137s
user	0m0.004s
sys	0m0.044s
statx -l 100 files with statahead: 0 sec
statahead total: 28
statahead wrong: 0
agl total: 28
total: 900 open/close in 1.63 seconds: 551.74 ops/second
llite.lustre-ffff9de0c7e4f800.statahead_max=0
1000

real	0m2.086s
user	0m0.034s
sys	0m0.449s
statx -l 1000 files without statahead: 2 sec
llite.lustre-ffff9de0c7e4f800.statahead_max=32
32
1000

real	0m0.597s
user	0m0.023s
sys	0m0.469s
statx -l 1000 files with statahead: 0 sec
statahead total: 29
statahead wrong: 0
agl total: 29
 - open/close 5442 (time 1781048500.04 total 10.00 last 544.18)
total: 9000 open/close in 17.05 seconds: 527.92 ops/second
llite.lustre-ffff9de0c7e4f800.statahead_max=0
10000

real	0m22.873s
user	0m0.336s
sys	0m4.800s
statx -l 10000 files without statahead: 23 sec
llite.lustre-ffff9de0c7e4f800.statahead_max=32
32
10000

real	0m5.631s
user	0m0.214s
sys	0m4.183s
statx -l 10000 files with statahead: 6 sec
statahead total: 30
statahead wrong: 0
agl total: 30
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 16 seconds
rm done
statahead total: 30
statahead wrong: 0
agl total: 30