== sanity test 123ab: verify statahead work by using statx ========================================================== 22:58:15 (1767326295)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff932f98ef0000.batch_stats=0
total: 100 open/close in 0.82 seconds: 122.07 ops/second
llite.lustre-ffff932f98ef0000.statahead_max=0
100

real	0m0.728s
user	0m0.009s
sys	0m0.252s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff932f98ef0000.statahead_max=128
128
100

real	0m0.308s
user	0m0.003s
sys	0m0.161s
statx -l 100 files with statahead: 1 sec
statahead total: 83
statahead wrong: 2
agl total: 81
list_total: 25
fname_total: 49
hit_total: 11843
miss_total: 1159
total: 900 open/close in 2.79 seconds: 322.22 ops/second
llite.lustre-ffff932f98ef0000.statahead_max=0
1000

real	0m6.360s
user	0m0.060s
sys	0m1.984s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff932f98ef0000.statahead_max=128
128
1000

real	0m2.670s
user	0m0.034s
sys	0m1.873s
statx -l 1000 files with statahead: 3 sec
statahead total: 84
statahead wrong: 2
agl total: 82
list_total: 26
fname_total: 49
hit_total: 12842
miss_total: 1159
 - open/close 4595 (time 1767326325.33 total 10.00 last 459.44)
total: 9000 open/close in 19.55 seconds: 460.29 ops/second
llite.lustre-ffff932f98ef0000.statahead_max=0
10000

real	0m57.920s
user	0m0.525s
sys	0m19.130s
statx -l 10000 files without statahead: 58 sec
llite.lustre-ffff932f98ef0000.statahead_max=128
128
10000

real	0m24.014s
user	0m0.297s
sys	0m18.103s
statx -l 10000 files with statahead: 24 sec
statahead total: 85
statahead wrong: 2
agl total: 83
list_total: 27
fname_total: 49
hit_total: 22841
miss_total: 1159
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 65 seconds
llite.lustre-ffff932f98ef0000.statahead_stats=
statahead total: 85
statahead wrong: 2
agl total: 83
list_total: 27
fname_total: 49
hit_total: 22841
miss_total: 1159
mdc.lustre-MDT0000-mdc-ffff932f98ef0000.batch_stats=
snapshot_time:            1767326491.071593193 secs.nsecs
start_time:               1767326296.594219439 secs.nsecs
elapsed_time:             194.477373754 secs.nsecs
subreqs per batch   batches   % cum %
1:		       315  45  45
2:		        50   7  52
4:		        59   8  60
8:		        92  13  73
16:		        28   4  77
32:		         5   0  78
64:		       149  21 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536