== sanity test 123ab: verify statahead work by using statx ========================================================== 09:43:40 (1759844620)
striped dir -i1 -c2 -H all_char /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.40 seconds: 249.76 ops/second
llite.lustre-ffffa07a42d67000.statahead_max=0
100

real	0m0.412s
user	0m0.006s
sys	0m0.086s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffffa07a42d67000.statahead_max=32
32
100

real	0m0.184s
user	0m0.004s
sys	0m0.051s
statx -l 100 files with statahead: 0 sec
statahead total: 29
statahead wrong: 0
agl total: 29
total: 900 open/close in 2.26 seconds: 397.72 ops/second
llite.lustre-ffffa07a42d67000.statahead_max=0
1000

real	0m4.463s
user	0m0.048s
sys	0m0.816s
statx -l 1000 files without statahead: 4 sec
llite.lustre-ffffa07a42d67000.statahead_max=32
32
1000

real	0m0.596s
user	0m0.024s
sys	0m0.482s
statx -l 1000 files with statahead: 1 sec
statahead total: 30
statahead wrong: 0
agl total: 30
 - open/close 2445 (time 1759844644.71 total 10.00 last 244.40)
 - open/close 5241 (time 1759844654.71 total 20.00 last 279.58)
 - open/close 7767 (time 1759844664.71 total 30.01 last 252.58)
total: 9000 open/close in 34.82 seconds: 258.50 ops/second
llite.lustre-ffffa07a42d67000.statahead_max=0
10000

real	0m47.049s
user	0m0.452s
sys	0m8.470s
statx -l 10000 files without statahead: 47 sec
llite.lustre-ffffa07a42d67000.statahead_max=32
32
10000

real	0m6.461s
user	0m0.209s
sys	0m5.251s
statx -l 10000 files with statahead: 7 sec
statahead total: 31
statahead wrong: 0
agl total: 31
statx -l done
rm -r /mnt/lustre/d123ab.sanity/: 27 seconds
rm done
statahead total: 31
statahead wrong: 0
agl total: 31