== sanity test 123ab: verify statahead work by using statx ========================================================== 08:14:15 (1775045655)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8cad11696000.batch_stats=0
total: 100 open/close in 0.65 seconds: 153.93 ops/second
llite.lustre-ffff8cad11696000.statahead_max=0
100

real	0m0.575s
user	0m0.006s
sys	0m0.213s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff8cad11696000.statahead_max=128
128
100

real	0m0.360s
user	0m0.004s
sys	0m0.174s
statx -l 100 files with statahead: 1 sec
statahead total: 77
statahead wrong: 2
agl total: 74
list_total: 24
fname_total: 39
hit_total: 11907
miss_total: 692
total: 900 open/close in 2.05 seconds: 439.78 ops/second
llite.lustre-ffff8cad11696000.statahead_max=0
1000

real	0m6.081s
user	0m0.068s
sys	0m2.175s
statx -l 1000 files without statahead: 6 sec
llite.lustre-ffff8cad11696000.statahead_max=128
128
1000

real	0m2.610s
user	0m0.019s
sys	0m1.923s
statx -l 1000 files with statahead: 3 sec
statahead total: 78
statahead wrong: 2
agl total: 75
list_total: 25
fname_total: 39
hit_total: 12906
miss_total: 692
 - open/close 4479 (time 1775045684.50 total 10.00 last 447.86)
total: 9000 open/close in 19.71 seconds: 456.69 ops/second
llite.lustre-ffff8cad11696000.statahead_max=0
10000

real	0m57.196s
user	0m0.515s
sys	0m20.862s
statx -l 10000 files without statahead: 57 sec
llite.lustre-ffff8cad11696000.statahead_max=128
128
10000

real	0m29.748s
user	0m0.328s
sys	0m21.948s
statx -l 10000 files with statahead: 30 sec
statahead total: 79
statahead wrong: 2
agl total: 76
list_total: 26
fname_total: 39
hit_total: 22905
miss_total: 692
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 73 seconds
llite.lustre-ffff8cad11696000.statahead_stats=
statahead total: 79
statahead wrong: 2
agl total: 76
list_total: 26
fname_total: 39
hit_total: 22905
miss_total: 692
mdc.lustre-MDT0000-mdc-ffff8cad11696000.batch_stats=
snapshot_time:            1775045865.817461739 secs.nsecs
start_time:               1775045656.988967671 secs.nsecs
elapsed_time:             208.828494068 secs.nsecs
subreqs per batch   batches   % cum %
1:		       439  49  49
2:		        99  11  60
4:		        77   8  69
8:		       119  13  82
16:		         9   1  83
32:		         1   0  83
64:		       147  16 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536