== sanity test 123ab: verify statahead work by using statx ========================================================== 06:19:15 (1768130355)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9a5fc67c7800.batch_stats=0
total: 100 open/close in 0.62 seconds: 161.38 ops/second
llite.lustre-ffff9a5fc67c7800.statahead_max=0
100

real	0m0.572s
user	0m0.007s
sys	0m0.193s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff9a5fc67c7800.statahead_max=128
128
100

real	0m0.340s
user	0m0.005s
sys	0m0.148s
statx -l 100 files with statahead: 1 sec
statahead total: 50
statahead wrong: 2
agl total: 49
list_total: 21
fname_total: 29
hit_total: 11721
miss_total: 1001
total: 900 open/close in 1.86 seconds: 484.04 ops/second
llite.lustre-ffff9a5fc67c7800.statahead_max=0
1000

real	0m5.503s
user	0m0.042s
sys	0m1.879s
statx -l 1000 files without statahead: 5 sec
llite.lustre-ffff9a5fc67c7800.statahead_max=128
128
1000

real	0m2.546s
user	0m0.020s
sys	0m1.910s
statx -l 1000 files with statahead: 2 sec
statahead total: 51
statahead wrong: 2
agl total: 50
list_total: 22
fname_total: 29
hit_total: 12720
miss_total: 1001
 - open/close 4889 (time 1768130383.16 total 10.00 last 488.89)
total: 9000 open/close in 18.72 seconds: 480.84 ops/second
llite.lustre-ffff9a5fc67c7800.statahead_max=0
10000

real	0m55.272s
user	0m0.333s
sys	0m17.999s
statx -l 10000 files without statahead: 55 sec
llite.lustre-ffff9a5fc67c7800.statahead_max=128
128
10000

real	0m24.054s
user	0m0.231s
sys	0m18.526s
statx -l 10000 files with statahead: 24 sec
statahead total: 52
statahead wrong: 2
agl total: 51
list_total: 23
fname_total: 29
hit_total: 22719
miss_total: 1001
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 68 seconds
llite.lustre-ffff9a5fc67c7800.statahead_stats=
statahead total: 52
statahead wrong: 2
agl total: 51
list_total: 23
fname_total: 29
hit_total: 22719
miss_total: 1001
mdc.lustre-MDT0000-mdc-ffff9a5fc67c7800.batch_stats=
snapshot_time:            1768130548.765342369 secs.nsecs
start_time:               1768130356.987279556 secs.nsecs
elapsed_time:             191.778062813 secs.nsecs
subreqs per batch   batches   % cum %
1:		       279  42  42
2:		        56   8  50
4:		        49   7  58
8:		        98  14  72
16:		        28   4  77
32:		         2   0  77
64:		       150  22 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536