== sanity test 123ab: verify statahead work by using statx ========================================================== 06:11:20 (1769080280)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9c1e48ccf000.batch_stats=0
total: 100 open/close in 1.97 seconds: 50.73 ops/second
llite.lustre-ffff9c1e48ccf000.statahead_max=0
100

real	0m1.372s
user	0m0.011s
sys	0m0.246s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9c1e48ccf000.statahead_max=128
128
100

real	0m0.520s
user	0m0.008s
sys	0m0.141s
statx -l 100 files with statahead: 1 sec
statahead total: 107
statahead wrong: 1
agl total: 103
list_total: 26
fname_total: 54
hit_total: 3617
miss_total: 246
total: 900 open/close in 7.18 seconds: 125.30 ops/second
llite.lustre-ffff9c1e48ccf000.statahead_max=0
1000

real	0m16.288s
user	0m0.076s
sys	0m2.501s
statx -l 1000 files without statahead: 16 sec
llite.lustre-ffff9c1e48ccf000.statahead_max=128
128
1000

real	0m4.242s
user	0m0.044s
sys	0m1.189s
statx -l 1000 files with statahead: 4 sec
statahead total: 108
statahead wrong: 1
agl total: 104
list_total: 27
fname_total: 54
hit_total: 4616
miss_total: 246
 - open/close 1155 (time 1769080334.77 total 10.01 last 115.34)
total: 2000 open/close in 16.95 seconds: 117.99 ops/second
llite.lustre-ffff9c1e48ccf000.statahead_max=0
3000

real	0m45.100s
user	0m0.222s
sys	0m7.105s
statx -l 3000 files without statahead: 45 sec
llite.lustre-ffff9c1e48ccf000.statahead_max=128
128
3000

real	0m10.402s
user	0m0.139s
sys	0m3.652s
statx -l 3000 files with statahead: 10 sec
statahead total: 109
statahead wrong: 1
agl total: 105
list_total: 28
fname_total: 54
hit_total: 7615
miss_total: 246
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 36 seconds
llite.lustre-ffff9c1e48ccf000.statahead_stats=
statahead total: 109
statahead wrong: 1
agl total: 105
list_total: 28
fname_total: 54
hit_total: 7615
miss_total: 246
mdc.lustre-MDT0000-mdc-ffff9c1e48ccf000.batch_stats=
snapshot_time:            1769080442.950793697 secs.nsecs
start_time:               1769080282.901319441 secs.nsecs
elapsed_time:             160.049474256 secs.nsecs
subreqs per batch   batches   % cum %
1:		        46  23  23
2:		        30  15  38
4:		        30  15  54
8:		        20  10  64
16:		         7   3  68
32:		         5   2  70
64:		        57  29 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536