== sanity test 123ab: verify statahead work by using statx ========================================================== 22:54:20 (1775876060)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff9aa887df1800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff9aa887df1800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 0.95 seconds: 104.87 ops/second
llite.lustre-ffff9aa887df1800.statahead_max=0
100

real	0m0.949s
user	0m0.013s
sys	0m0.288s
statx -l 100 files without statahead: 0 sec
llite.lustre-ffff9aa887df1800.statahead_max=128
128
100

real	0m0.387s
user	0m0.003s
sys	0m0.192s
statx -l 100 files with statahead: 1 sec
statahead total: 91
statahead wrong: 2
agl total: 89
list_total: 26
fname_total: 60
hit_total: 5401
miss_total: 1111
total: 900 open/close in 3.63 seconds: 248.01 ops/second
llite.lustre-ffff9aa887df1800.statahead_max=0
1000

real	0m9.713s
user	0m0.074s
sys	0m2.721s
statx -l 1000 files without statahead: 9 sec
llite.lustre-ffff9aa887df1800.statahead_max=128
128
1000

real	0m3.135s
user	0m0.039s
sys	0m1.786s
statx -l 1000 files with statahead: 3 sec
statahead total: 92
statahead wrong: 2
agl total: 90
list_total: 27
fname_total: 60
hit_total: 6400
miss_total: 1111
 - open/close 1908 (time 1775876097.22 total 10.00 last 190.77)
 - open/close 3908 (time 1775876107.22 total 20.00 last 199.98)
total: 4000 open/close in 20.46 seconds: 195.47 ops/second
llite.lustre-ffff9aa887df1800.statahead_max=0
5000

real	0m52.906s
user	0m0.425s
sys	0m13.793s
statx -l 5000 files without statahead: 53 sec
llite.lustre-ffff9aa887df1800.statahead_max=128
128
5000

real	0m15.953s
user	0m0.227s
sys	0m8.954s
statx -l 5000 files with statahead: 16 sec
statahead total: 93
statahead wrong: 2
agl total: 91
list_total: 28
fname_total: 60
hit_total: 11399
miss_total: 1111
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 45 seconds
llite.lustre-ffff9aa887df1800.statahead_stats=
statahead total: 93
statahead wrong: 2
agl total: 91
list_total: 28
fname_total: 60
hit_total: 11399
miss_total: 1111
mdc.lustre-MDT0000-mdc-ffff9aa887df1800.batch_stats=
snapshot_time:            1775876230.835653754 secs.nsecs
start_time:               1775876061.888549682 secs.nsecs
elapsed_time:             168.947104072 secs.nsecs
subreqs per batch   batches   % cum %
1:		        82  45  45
2:		         6   3  48
4:		         7   3  52
8:		         3   1  53
16:		         3   1  55
32:		        19  10  65
64:		        62  34 100
mdc.lustre-MDT0001-mdc-ffff9aa887df1800.batch_stats=
snapshot_time:            1775876230.835760349 secs.nsecs
start_time:               1775876061.888628963 secs.nsecs
elapsed_time:             168.947131386 secs.nsecs
subreqs per batch   batches   % cum %
1:		        61  38  38
2:		         7   4  43
4:		         5   3  46
8:		         3   1  48
16:		         1   0  49
32:		        24  15  64
64:		        56  35 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536