== sanity test 123ab: verify statahead work by using statx ========================================================== 22:55:45 (1775876145)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff900b8348f000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff900b8348f000.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.22 seconds: 82.04 ops/second
llite.lustre-ffff900b8348f000.statahead_max=0
100

real	0m1.033s
user	0m0.008s
sys	0m0.288s
statx -l 100 files without statahead: 1 sec
llite.lustre-ffff900b8348f000.statahead_max=128
128
100

real	0m0.397s
user	0m0.007s
sys	0m0.161s
statx -l 100 files with statahead: 0 sec
statahead total: 91
statahead wrong: 1
agl total: 89
list_total: 26
fname_total: 65
hit_total: 7159
miss_total: 238
total: 900 open/close in 3.55 seconds: 253.73 ops/second
llite.lustre-ffff900b8348f000.statahead_max=0
1000

real	0m10.200s
user	0m0.080s
sys	0m2.753s
statx -l 1000 files without statahead: 10 sec
llite.lustre-ffff900b8348f000.statahead_max=128
128
1000

real	0m3.406s
user	0m0.047s
sys	0m2.008s
statx -l 1000 files with statahead: 3 sec
statahead total: 92
statahead wrong: 1
agl total: 90
list_total: 27
fname_total: 65
hit_total: 8158
miss_total: 238
 - open/close 1850 (time 1775876183.56 total 10.00 last 184.94)
 - open/close 3817 (time 1775876193.56 total 20.01 last 196.64)
total: 4000 open/close in 20.91 seconds: 191.34 ops/second
llite.lustre-ffff900b8348f000.statahead_max=0
5000

real	0m51.896s
user	0m0.381s
sys	0m13.480s
statx -l 5000 files without statahead: 51 sec
llite.lustre-ffff900b8348f000.statahead_max=128
128
5000

real	0m14.833s
user	0m0.199s
sys	0m8.255s
statx -l 5000 files with statahead: 15 sec
statahead total: 93
statahead wrong: 1
agl total: 91
list_total: 28
fname_total: 65
hit_total: 13157
miss_total: 238
statx -l done
rm -r /mnt/lustre/d123ab.sanity: 43 seconds
llite.lustre-ffff900b8348f000.statahead_stats=
statahead total: 93
statahead wrong: 1
agl total: 91
list_total: 28
fname_total: 65
hit_total: 13157
miss_total: 238
mdc.lustre-MDT0000-mdc-ffff900b8348f000.batch_stats=
snapshot_time:            1775876313.669401009 secs.nsecs
start_time:               1775876147.062577685 secs.nsecs
elapsed_time:             166.606823324 secs.nsecs
subreqs per batch   batches   % cum %
1:		        84  41  41
2:		        23  11  52
4:		         3   1  54
8:		         6   2  57
16:		         4   1  59
32:		        22  10  69
64:		        61  30 100
mdc.lustre-MDT0001-mdc-ffff900b8348f000.batch_stats=
snapshot_time:            1775876313.669457502 secs.nsecs
start_time:               1775876147.062645717 secs.nsecs
elapsed_time:             166.606811785 secs.nsecs
subreqs per batch   batches   % cum %
1:		        84  45  45
2:		         8   4  49
4:		        10   5  55
8:		         1   0  55
16:		         2   1  56
32:		        26  14  70
64:		        54  29 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536