== sanity test 123aa: verify statahead work ============== 23:30:04 (1739507404)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff88012db83000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff88012db83000.batch_stats=0
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.18 seconds: 84.78 ops/second
llite.lustre-ffff88012db83000.statahead_max=0
101

real	0m1.133s
user	0m0.009s
sys	0m0.266s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff88012db83000.statahead_max=128
128
101

real	0m0.285s
user	0m0.007s
sys	0m0.124s
ls -l 100 files with statahead: 1 sec
statahead total: 87
statahead wrong: 2
agl total: 87
list_total: 24
fname_total: 63
hit_total: 415
miss_total: 1393
total: 900 open/close in 5.05 seconds: 178.14 ops/second
llite.lustre-ffff88012db83000.statahead_max=0
1001

real	0m12.212s
user	0m0.125s
sys	0m2.810s
ls -l 1000 files without statahead: 12 sec
llite.lustre-ffff88012db83000.statahead_max=128
128
1001

real	0m2.520s
user	0m0.035s
sys	0m1.115s
ls -l 1000 files with statahead: 3 sec
statahead total: 88
statahead wrong: 2
agl total: 88
list_total: 25
fname_total: 63
hit_total: 1414
miss_total: 1394
 - open/close 1805 (time 1739507444.25 total 10.00 last 180.41)
total: 3000 open/close in 17.35 seconds: 172.87 ops/second
llite.lustre-ffff88012db83000.statahead_max=0
4001

real	0m44.656s
user	0m0.535s
sys	0m10.657s
ls -l 4000 files without statahead: 45 sec
llite.lustre-ffff88012db83000.statahead_max=128
128
4001

real	0m8.212s
user	0m0.097s
sys	0m4.290s
ls -l 4000 files with statahead: 8 sec
statahead total: 89
statahead wrong: 2
agl total: 89
list_total: 26
fname_total: 63
hit_total: 5413
miss_total: 1395
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 36 seconds
llite.lustre-ffff88012db83000.statahead_stats=
statahead total: 89
statahead wrong: 2
agl total: 89
list_total: 26
fname_total: 63
hit_total: 5413
miss_total: 1395
mdc.lustre-MDT0000-mdc-ffff88012db83000.batch_stats=
snapshot_time:            1739507544.823208744 secs.nsecs
start_time:               1739507405.508671293 secs.nsecs
elapsed_time:             139.314537451 secs.nsecs
subreqs per batch   batches   % cum %
1:		        10  10  10
2:		         1   1  11
4:		         5   5  17
8:		         5   5  22
16:		         2   2  24
32:		        26  27  52
64:		        44  47 100
mdc.lustre-MDT0001-mdc-ffff88012db83000.batch_stats=
snapshot_time:            1739507544.823535564 secs.nsecs
start_time:               1739507405.508840686 secs.nsecs
elapsed_time:             139.314694878 secs.nsecs
subreqs per batch   batches   % cum %
1:		        10  10  10
2:		         2   2  12
4:		         3   3  16
8:		         6   6  22
16:		         1   1  23
32:		        21  22  46
64:		        50  53 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536